Snap for 10209341 from 2c936697b6518d784778d73e286247503a7e789b to mainline-healthfitness-release

Change-Id: Ie8d88bb4b5c08266002bf6548afc6c645180a84e
author: Android Build Coastguard Worker <android-build-coastguard-worker@google.com> 2023-05-26 10:20:15 +0000
committer: Android Build Coastguard Worker <android-build-coastguard-worker@google.com> 2023-05-26 10:20:15 +0000
commit: d1a3436b67c77506bc81fdbabea590b24286f71c (patch)
tree: 9476f78c096ed736dc2bf0cfd5e32353c6ae2c18
parent: 01a8ac0dfe277f7a531568a61f49c143e93c7394 (diff)
parent: 2c936697b6518d784778d73e286247503a7e789b (diff)
download: beto-rust-d1a3436b67c77506bc81fdbabea590b24286f71c.tar.gz
152 files changed, 29289 insertions, 28190 deletions
diff --git a/METADATA b/METADATA
index d758779..c172c73 100644
--- a/METADATA
+++ b/METADATA
@@ -11,7 +11,7 @@ third_party {
     type: GIT
     value: "https://team.googlesource.com/beto-rust-devs/beto-core-staging"
   }
-  version: "d19e9170169453bc9df0a54b5fd15fdaceb038f3"
-  last_upgrade_date { year: 2023 month: 2 day: 15 }
+  version: "cf6c62c6e28c808634a13a7be092edef40ec6104"
+  last_upgrade_date { year: 2023 month: 4 day: 20 }
   license_type: NOTICE
 }
diff --git a/README.md b/README.md
index 5e4f5d0..8ced2ae 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Better Together Core
 
-Core rust components to google better together experiences. This is not an officially supported Google product.
+Core rust components to google better together experiences.
 
 ## Projects 
 
diff --git a/nearby/.cargo/config-boringssl.toml b/nearby/.cargo/config-boringssl.toml
index c6f230d..d0870ce 100644
--- a/nearby/.cargo/config-boringssl.toml
+++ b/nearby/.cargo/config-boringssl.toml
@@ -1,7 +1,12 @@
+# The packages to override
+paths = [
+    "../boringssl-build/boringssl/build/rust/bssl-sys",
+    "../boringssl-build/rust-openssl/openssl",
+    "../boringssl-build/rust-openssl/openssl-sys",
+]
+
 [env]
 WORKSPACE_DIR = { value = "", relative = true }
 
-[patch.crates-io]
-bssl-sys = { path = "../boringssl-build/boringssl/build/rust" }
-openssl = { path = "../boringssl-build/rust-openssl/openssl" }
-openssl-sys = { path = "../boringssl-build/rust-openssl/openssl-sys" }
+
+
diff --git a/nearby/.dockerignore b/nearby/.dockerignore
index 71cd1fd..5d11fb7 100644
--- a/nearby/.dockerignore
+++ b/nearby/.dockerignore
@@ -1,12 +1,17 @@
 /.idea
 /.git
 /target
+/.dockerignore
+/.gitignore
 
-presence/_deps
-presence/np_ffi/target
-presence/*/fuzz/target
-presence/*/fuzz/corpus
-presence/cmake-build
-presence/CMakeCache.txt
-presence/CMakeFiles
-presence/ldt_np_c_sample/CMakeFiles
-\ No newline at end of file
+/presence/_deps
+/presence/ldt_np_adv_ffi/target
+/presence/*/fuzz/target
+/presence/*/fuzz/corpus
+/presence/cmake-build
+/presence/CMakeCache.txt
+/presence/CMakeFiles
+/presence/ldt_np_c_sample/CMakeFiles
+/connections/ukey2/*/fuzz/target
+/connections/ukey2/*/fuzz/corpus
+/crypto/crypto_provider_boringssl/target
diff --git a/nearby/.gitignore b/nearby/.gitignore
new file mode 100644
index 0000000..b7d2235
--- /dev/null
+++ b/nearby/.gitignore
@@ -0,0 +1,5 @@
+target/
+/.idea
+/*.mdb
+/auth_token.txt
+.DS_Store
diff --git a/nearby/Android.bp b/nearby/Android.bp
index c965fc0..d8d8bf7 100644
--- a/nearby/Android.bp
+++ b/nearby/Android.bp
@@ -9,7 +9,7 @@ package {
     default_applicable_licenses: ["external_rust_beto-rust_license"],
 }
 
-rust_library {
+rust_library_rlib {
     name: "libcrypto_provider",
     host_supported: true,
     crate_name: "crypto_provider",
@@ -18,6 +18,7 @@ rust_library {
     srcs: ["crypto/crypto_provider/src/lib.rs"],
     edition: "2021",
     features: [
+        "std",
         "alloc",
         "default",
     ],
@@ -31,7 +32,7 @@ rust_library {
     ],
 }
 
-rust_library {
+rust_library_rlib {
     name: "libcrypto_provider_openssl",
     host_supported: true,
     crate_name: "crypto_provider_openssl",
@@ -45,7 +46,6 @@ rust_library {
         "libcfg_if",
         "libcrypto_provider",
         "libopenssl",
-        "libouroboros",
         "librand",
     ],
     apex_available: [
@@ -64,10 +64,11 @@ rust_ffi_shared {
     srcs: ["connections/ukey2/ukey2_c_ffi/src/lib.rs"],
     edition: "2021",
     features: ["openssl"],
-    rustlibs: [
+    rlibs: [
         "libcfg_if",
         "libcrypto_provider_openssl",
         "liblazy_static",
+        "liblog_rust",
         "librand",
         "librand_chacha",
         "libspin_nostd",
@@ -80,7 +81,7 @@ rust_ffi_shared {
     ],
 }
 
-rust_library {
+rust_library_rlib {
     name: "libukey2_connections",
     host_supported: true,
     crate_name: "ukey2_connections",
@@ -91,6 +92,7 @@ rust_library {
     rustlibs: [
         "libbytes",
         "libcrypto_provider",
+        "libnom",
         "librand",
         "libukey2_proto",
         "libukey2_rs",
@@ -111,7 +113,12 @@ rust_ffi_shared {
     srcs: ["connections/ukey2/ukey2_jni/src/lib.rs"],
     edition: "2021",
     features: ["openssl"],
-    rustlibs: [
+    // Using rlibs instead of rustlibs here to minimize the size impact on the system image. Since
+    // most of the transitive dependencies are included only by this project for U, building this
+    // as a single dylib will be more space-efficient. As more Rust project gets added, this may
+    // change and it may be better for different projects to share the same dylib, especially for
+    // common projects like libjni and libprotobuf.
+    rlibs: [
         "libcfg_if",
         "libcrypto_provider_openssl",
         "libjni",
@@ -129,7 +136,7 @@ rust_ffi_shared {
     ],
 }
 
-rust_library {
+rust_library_rlib {
     name: "libukey2_proto",
     host_supported: true,
     crate_name: "ukey2_proto",
@@ -149,7 +156,7 @@ rust_library {
     ],
 }
 
-rust_library {
+rust_library_rlib {
     name: "libukey2_rs",
     host_supported: true,
     crate_name: "ukey2_rs",
@@ -160,6 +167,7 @@ rust_library {
     rustlibs: [
         "libcrypto_provider",
         "libnum_bigint",
+        "liblog_rust",
         "librand",
         "libukey2_proto",
     ],
diff --git a/nearby/Cargo.lock b/nearby/Cargo.lock
index 6c443b0..637c67d 100644
--- a/nearby/Cargo.lock
+++ b/nearby/Cargo.lock
@@ -15,6 +15,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
+name = "aead"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c192eb8f11fc081b0fe4259ba5af04217d4e0faddd02417310a927911abd7c8"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -26,6 +37,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
 name = "aho-corasick"
 version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -48,9 +74,9 @@ checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
 [[package]]
 name = "anyhow"
-version = "1.0.69"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "224afbd727c3d6e4b90103ece64b8d1b67fbb1973b1046c2281eed3f3803f800"
+checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
 [[package]]
 name = "array_ref"
@@ -96,6 +122,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
 
 [[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
+[[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -107,23 +139,14 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "block-buffer"
-version = "0.9.0"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
@@ -223,9 +246,9 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -245,13 +268,13 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.1.4"
+version = "4.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f13b9c79b5d1dd500d20ef541215a6423c75829ef43117e1b4d17fd8af0b5d76"
+checksum = "3c911b090850d79fc64fe9ea01e28e465f65e821e08813ced95bced72f7a8a9b"
 dependencies = [
  "bitflags",
  "clap_derive",
- "clap_lex 0.3.1",
+ "clap_lex 0.3.3",
  "is-terminal",
  "once_cell",
  "strsim",
@@ -260,15 +283,14 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.1.0"
+version = "4.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "684a277d672e91966334af371f1a7b5833f9aa00b07c84e92fbce95e00208ce8"
+checksum = "9a932373bab67b984c790ddf2c9ca295d8e3af3b7ef92de5a5bacdccdee4b09b"
 dependencies = [
  "heck",
- "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.10",
 ]
 
 [[package]]
@@ -282,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "783fe232adfca04f90f56201b26d79682d4cd2625e0bc7290b95123afe558ade"
+checksum = "033f6b7a4acb1f358c742aaca805c939ee73b4c6209ae4318ec7aca81c42e646"
 dependencies = [
  "os_str_bytes",
 ]
@@ -301,15 +323,15 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
+checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
 dependencies = [
  "libc",
 ]
@@ -361,9 +383,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.6"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
+checksum = "cf2b3e8478797446514c91ef04bafcb59faba183e621ad488df88983cc14128c"
 dependencies = [
  "cfg-if",
  "crossbeam-utils",
@@ -371,9 +393,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "715e8152b692bba2d374b53d4875445368fdf21a94751410af607a5ac677d1fc"
+checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
 dependencies = [
  "cfg-if",
  "crossbeam-epoch",
@@ -382,9 +404,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.13"
+version = "0.9.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"
+checksum = "46bd5f3f85273295a9d14aedfb86f6aadbff6d8f5295c4a9edb08e819dcf5695"
 dependencies = [
  "autocfg",
  "cfg-if",
@@ -395,9 +417,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.14"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"
+checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
 dependencies = [
  "cfg-if",
 ]
@@ -421,6 +443,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core 0.6.4",
  "typenum",
 ]
 
@@ -433,11 +456,11 @@ dependencies = [
  "crypto_provider_rustcrypto",
  "hex",
  "hex-literal",
- "rand 0.8.5",
+ "rand",
  "rand_ext",
  "rstest",
  "rstest_reuse",
- "sha2 0.10.6",
+ "sha2",
  "test_helper",
  "wycheproof",
 ]
@@ -451,7 +474,6 @@ dependencies = [
  "hex-literal",
  "openssl",
  "ouroboros",
- "rand 0.8.5",
  "rstest",
 ]
 
@@ -459,19 +481,24 @@ dependencies = [
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
+ "crypto_provider_rustcrypto",
  "ctr",
  "ed25519-dalek",
  "hex",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core 0.6.4",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
@@ -487,13 +514,15 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
  "zeroize",
 ]
@@ -508,6 +537,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "der"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82b10af9f9f9f2134a42d3f8aa74658660f2e0234b0eb81bd171df8aa32779ed"
+dependencies = [
+ "const-oid",
+ "zeroize",
+]
+
+[[package]]
 name = "derive-getters"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -515,7 +554,7 @@ checksum = "0c5905670fd9c320154f3a4a01c9e609733cd7b753f3c58777ab7d5ce26686b3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -526,44 +565,36 @@ checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
 
 [[package]]
 name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "digest"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
+ "pkcs8",
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
+ "rand_core 0.6.4",
  "serde",
- "sha2 0.9.9",
+ "sha2",
  "zeroize",
 ]
 
@@ -581,8 +612,8 @@ checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "der 0.6.1",
+ "digest",
  "ff",
  "generic-array",
  "group",
@@ -616,9 +647,9 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a407cfaa3385c4ae6b23e84623d48c2798d06e3e6a1878f7f59f17b3f86499"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
 dependencies = [
  "instant",
 ]
@@ -634,6 +665,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "flate2"
 version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -660,9 +697,9 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "futures"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13e2792b0ff0340399d58445b88fd9770e3489eff258a4cbc1523418f12abf84"
+checksum = "531ac96c6ff5fd7c62263c5e3c67a603af4fcaee2e1a0ae5565ba3a11e69e549"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -675,9 +712,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e5317663a9089767a1ec00a487df42e0ca174b61b4483213ac24448e4664df5"
+checksum = "164713a5a0dcc3e7b4b1ed7d3b433cabc18025386f9339346e8daf15963cf7ac"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -685,15 +722,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec90ff4d0fe1f57d600049061dc6bb68ed03c7d2fbd697274c41805dcb3f8608"
+checksum = "86d7a0c1aa76363dac491de0ee99faf6941128376f1cf96f07db7603b7de69dd"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8de0a35a6ab97ec8869e32a2473f4b1324459e14c29275d14b10cb1fd19b50e"
+checksum = "1997dd9df74cdac935c76252744c1ed5794fac083242ea4fe77ef3ed60ba0f83"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -702,32 +739,32 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfb8371b6fb2aeb2d280374607aeabfc99d95c72edfe51692e42d3d7f0d08531"
+checksum = "89d422fa3cbe3b40dca574ab087abb5bc98258ea57eea3fd6f1fa7162c778b91"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95a73af87da33b5acf53acfebdc339fe592ecf5357ac7c0a7734ab9d8c876a70"
+checksum = "3eb14ed937631bd8b8b8977f2c198443447a8355b6e3ca599f38c975e5a963b6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f310820bb3e8cfd46c80db4d7fb8353e15dfff853a127158425f31e0be6c8364"
+checksum = "ec93083a4aecafb2a80a885c9de1f0ccae9dbd32c2bb54b0c3a65690e0b8d2f2"
 
 [[package]]
 name = "futures-task"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf79a1bf610b10f42aea489289c5a2c478a786509693b80cd39c44ccd936366"
+checksum = "fd65540d33b37b16542a0438c12e6aeead10d4ac5d05bd3f805b8f35ab592879"
 
 [[package]]
 name = "futures-timer"
@@ -737,9 +774,9 @@ checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 
 [[package]]
 name = "futures-util"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c1d6de3acfef38d2be4b1f543f553131788603495be83da675e180c8d6b7bd1"
+checksum = "3ef6b17e481503ec85211fed8f39d1970f128935ca1f814cd32ac4a6842e84ab"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -765,24 +802,13 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
-[[package]]
-name = "getrandom"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -879,14 +905,14 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "indexmap"
-version = "1.9.2"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -913,24 +939,25 @@ dependencies = [
 
 [[package]]
 name = "io-lifetimes"
-version = "1.0.5"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
+checksum = "09270fd4fa1111bc614ed2246c7ef56239a3063d5be0d1ec3b589c505d400aeb"
 dependencies = [
+ "hermit-abi 0.3.1",
  "libc",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
 name = "is-terminal"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22e18b0a45d56fe973d6db23972bf5bc46f988a4a2385deac9cc29572f09daef"
+checksum = "8687c819457e979cc940d09cb16e42a1bf70aa6b60a549de6d3a62a0ee90c69e"
 dependencies = [
  "hermit-abi 0.3.1",
  "io-lifetimes",
  "rustix",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -944,22 +971,24 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
+checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
 [[package]]
 name = "jni"
-version = "0.20.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "039022cdf4d7b1cf548d31f60ae783138e5fd42013f6271049d7df7afadef96c"
+checksum = "1a87aa2bb7d2af34197c04845522473242e1aa17c12f4935d5856491a7fb8c97"
 dependencies = [
  "cesu8",
+ "cfg-if",
  "combine",
  "jni-sys",
  "log",
  "thiserror",
  "walkdir",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -992,10 +1021,9 @@ version = "0.1.0"
 dependencies = [
  "aes",
  "anyhow",
- "array_ref",
  "base64 0.21.0",
  "blake2",
- "clap 4.1.4",
+ "clap 4.1.13",
  "criterion",
  "crypto_provider",
  "crypto_provider_rustcrypto",
@@ -1003,11 +1031,11 @@ dependencies = [
  "hdrhistogram",
  "hex",
  "ldt_tbc",
- "rand 0.8.5",
+ "rand",
  "rand_ext",
  "rand_pcg",
  "serde_json",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "test_helper",
  "xts_aes",
@@ -1020,14 +1048,17 @@ dependencies = [
  "anyhow",
  "array_view",
  "base64 0.21.0",
+ "criterion",
  "crypto_provider",
+ "crypto_provider_openssl",
  "crypto_provider_rustcrypto",
  "hex",
  "ldt",
  "ldt_tbc",
  "np_hkdf",
- "rand 0.8.5",
+ "rand",
  "rand_ext",
+ "rand_pcg",
  "serde_json",
  "test_helper",
  "xts_aes",
@@ -1037,14 +1068,20 @@ dependencies = [
 name = "ldt_tbc"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "crypto_provider",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
+
+[[package]]
+name = "libm"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
 
 [[package]]
 name = "linux-raw-sys"
@@ -1079,9 +1116,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memoffset"
-version = "0.7.1"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
+checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
 dependencies = [
  "autocfg",
 ]
@@ -1121,7 +1158,7 @@ dependencies = [
  "crypto_provider_rustcrypto",
  "hex",
  "ldt",
- "rand 0.8.5",
+ "rand",
  "rand_ext",
  "serde_json",
  "test_helper",
@@ -1170,9 +1207,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "oorandom"
@@ -1188,9 +1225,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.45"
+version = "0.10.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1"
+checksum = "518915b97df115dd36109bfa429a48b8f737bd05508cf9588977b599648926d2"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -1209,14 +1246,14 @@ checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.80"
+version = "0.9.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7"
+checksum = "666416d899cf077260dac8698d60a60b435a46d57e82acb1be3d0dad87284e5b"
 dependencies = [
  "autocfg",
  "bssl-sys",
@@ -1228,15 +1265,15 @@ dependencies = [
 
 [[package]]
 name = "os_str_bytes"
-version = "6.4.1"
+version = "6.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
+checksum = "ceedf44fb00f2d1984b0bc98102627ce622e083e49a5bacdb3e514fa4238e267"
 
 [[package]]
 name = "ouroboros"
-version = "0.15.5"
+version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfbb50b356159620db6ac971c6d5c9ab788c9cc38a6f49619fca2a27acb062ca"
+checksum = "e1358bd1558bd2a083fed428ffeda486fbfb323e698cdda7794259d592ca72db"
 dependencies = [
  "aliasable",
  "ouroboros_macro",
@@ -1244,15 +1281,15 @@ dependencies = [
 
 [[package]]
 name = "ouroboros_macro"
-version = "0.15.5"
+version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a0d9d1a6191c4f391f87219d1ea42b23f09ee84d64763cd05ee6ea88d9f384d"
+checksum = "5f7d21ccd03305a674437ee1248f3ab5d4b1db095cf1caf49f1713ddf61956b7"
 dependencies = [
  "Inflector",
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -1266,6 +1303,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
 name = "pin-project-lite"
 version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1278,12 +1325,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der 0.7.3",
+ "spki",
+]
+
+[[package]]
 name = "pkg-config"
 version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
 name = "plotters"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1312,6 +1375,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1335,7 +1410,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "version_check",
 ]
 
@@ -1352,95 +1427,86 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.51"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
+checksum = "e472a104799c74b514a57226160104aa483546de37e839ec50e3c2e41dd87534"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "protobuf"
-version = "2.28.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
+checksum = "b55bad9126f378a853655831eb7363b7b01b81d19f8cb1218861086ca4a1a61e"
+dependencies = [
+ "once_cell",
+ "protobuf-support",
+ "thiserror",
+]
 
 [[package]]
 name = "protobuf-codegen"
-version = "2.28.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "033460afb75cf755fcfc16dfaed20b86468082a2ea24e05ac35ab4a099a017d6"
+checksum = "0dd418ac3c91caa4032d37cb80ff0d44e2ebe637b2fb243b6234bf89cdac4901"
 dependencies = [
+ "anyhow",
+ "once_cell",
  "protobuf",
+ "protobuf-parse",
+ "regex",
+ "tempfile",
+ "thiserror",
 ]
 
 [[package]]
-name = "protoc"
-version = "2.28.0"
+name = "protobuf-parse"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0218039c514f9e14a5060742ecd50427f8ac4f85a6dc58f2ddb806e318c55ee"
+checksum = "9d39b14605eaa1f6a340aec7f320b34064feb26c93aec35d6a9a2272a8ddfa49"
 dependencies = [
+ "anyhow",
+ "indexmap",
  "log",
+ "protobuf",
+ "protobuf-support",
+ "tempfile",
+ "thiserror",
  "which",
 ]
 
 [[package]]
-name = "protoc-rust"
-version = "2.28.0"
+name = "protobuf-support"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22f8a182bb17c485f20bdc4274a8c39000a61024cfe461c799b50fec77267838"
+checksum = "a5d4d7b8601c814cfb36bcebb79f0e61e45e1e93640cf778837833bbed05c372"
 dependencies = [
- "protobuf",
- "protobuf-codegen",
- "protoc",
- "tempfile",
+ "thiserror",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha 0.3.1",
+ "rand_chacha",
  "rand_core 0.6.4",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_chacha"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
@@ -1454,9 +1520,6 @@ name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
-]
 
 [[package]]
 name = "rand_core"
@@ -1464,14 +1527,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
+ "getrandom",
 ]
 
 [[package]]
 name = "rand_core_05_adapter"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "rand",
  "rand_core 0.5.1",
 ]
 
@@ -1479,21 +1542,13 @@ dependencies = [
 name = "rand_ext"
 version = "0.1.0"
 dependencies = [
+ "crypto_provider",
  "log",
- "rand 0.8.5",
+ "rand",
  "rand_pcg",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
 name = "rand_pcg"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1504,9 +1559,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
 dependencies = [
  "either",
  "rayon-core",
@@ -1514,9 +1569,9 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.10.2"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "356a0625f1954f730c0201cdab48611198dc6ce21f4acff55089b5a78e6e835b"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
@@ -1535,9 +1590,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.1"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1546,18 +1601,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
-
-[[package]]
-name = "remove_dir_all"
-version = "0.5.3"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
-dependencies = [
- "winapi",
-]
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "rstest"
@@ -1581,7 +1627,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version",
- "syn",
+ "syn 1.0.109",
  "unicode-ident",
 ]
 
@@ -1592,9 +1638,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45f80dcc84beab3a327bbe161f77db25f336a1452428176787c8c79ac79d7073"
 dependencies = [
  "quote",
- "rand 0.8.5",
+ "rand",
  "rustc_version",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -1608,23 +1654,23 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.36.8"
+version = "0.36.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
+checksum = "db4165c9963ab29e422d6c26fbc1d37f15bace6b2810221f9d925023480fcf0e"
 dependencies = [
  "bitflags",
  "errno",
  "io-lifetimes",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.12"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
+checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
 [[package]]
 name = "same-file"
@@ -1648,7 +1694,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
 dependencies = [
  "base16ct",
- "der",
+ "der 0.6.1",
  "generic-array",
  "subtle",
  "zeroize",
@@ -1656,35 +1702,35 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.16"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"
+checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.152"
+version = "1.0.158"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
+checksum = "771d4d9c4163ee138805e12c710dd365e4f44be8be0503cb1bb9eb989425d9c9"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.152"
+version = "1.0.158"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af487d118eecd09402d70a5d72551860e788df87b464af30e5ea6a38c75c541e"
+checksum = "e801c1712f48475582b7696ac71e0ca34ebb30e09338425384269d9717c62cad"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.10",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.93"
+version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cad406b69c91885b5107daf2c29572f6c8cdb3c66826821e286c533490c0bc76"
+checksum = "d721eca97ac802aa7777b701877c8004d950fc142651367300d21c1cc0194744"
 dependencies = [
  "itoa",
  "ryu",
@@ -1693,39 +1739,26 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
-[[package]]
-name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "slab"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
+checksum = "6528351c9bc8ab22353f9d776db39a20288e8d6c37ef8cfe3317cf875eecfc2d"
 dependencies = [
  "autocfg",
 ]
@@ -1738,14 +1771,24 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "spin"
-version = "0.9.5"
+version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dccf47db1b41fa1573ed27ccf5e08e3ca771cb994f776668c5ebda893b248fc"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 dependencies = [
  "lock_api",
 ]
 
 [[package]]
+name = "spki"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37a5be806ab6f127c3da44b7378837ebf01dadca8510a0e572460216b228bd0e"
+dependencies = [
+ "base64ct",
+ "der 0.7.3",
+]
+
+[[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1759,9 +1802,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1769,29 +1812,27 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
+name = "syn"
+version = "2.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+checksum = "5aad1363ed6d37b84299588d62d3a7d95b5a5c2d9aad5c85609fda12afaa1f40"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "tempfile"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
+checksum = "af18f7ae1acd354b992402e9ec5864359d693cd8a79dcbef59f76891701c1e95"
 dependencies = [
  "cfg-if",
  "fastrand",
- "libc",
  "redox_syscall",
- "remove_dir_all",
- "winapi",
+ "rustix",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -1819,22 +1860,22 @@ checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
 [[package]]
 name = "thiserror"
-version = "1.0.38"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
+checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.38"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
+checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.10",
 ]
 
 [[package]]
@@ -1861,9 +1902,10 @@ dependencies = [
  "crypto_provider_openssl",
  "crypto_provider_rustcrypto",
  "lazy_static",
- "rand 0.8.5",
- "rand_chacha 0.3.1",
- "spin 0.9.5",
+ "log",
+ "rand",
+ "rand_chacha",
+ "spin 0.9.8",
  "ukey2_connections",
  "ukey2_rs",
 ]
@@ -1876,7 +1918,8 @@ dependencies = [
  "crypto_provider",
  "crypto_provider_openssl",
  "crypto_provider_rustcrypto",
- "rand 0.8.5",
+ "nom",
+ "rand",
  "rstest",
  "ukey2_proto",
  "ukey2_rs",
@@ -1891,9 +1934,10 @@ dependencies = [
  "crypto_provider_rustcrypto",
  "jni",
  "lazy_static",
- "rand 0.8.5",
- "rand_chacha 0.3.1",
- "spin 0.9.5",
+ "log",
+ "rand",
+ "rand_chacha",
+ "spin 0.9.8",
  "ukey2_connections",
  "ukey2_rs",
 ]
@@ -1904,7 +1948,7 @@ version = "0.1.0"
 dependencies = [
  "diff",
  "protobuf",
- "protoc-rust",
+ "protobuf-codegen",
 ]
 
 [[package]]
@@ -1915,10 +1959,11 @@ dependencies = [
  "crypto_provider_openssl",
  "crypto_provider_rustcrypto",
  "derive-getters",
+ "log",
  "num-bigint",
- "rand 0.8.5",
+ "rand",
  "rstest",
- "sha2 0.10.6",
+ "sha2",
  "ukey2_proto",
 ]
 
@@ -1926,7 +1971,7 @@ dependencies = [
 name = "ukey2_shell"
 version = "0.1.0"
 dependencies = [
- "clap 4.1.4",
+ "clap 4.1.13",
  "crypto_provider_rustcrypto",
  "ukey2_connections",
  "ukey2_rs",
@@ -1934,15 +1979,19 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "vcpkg"
@@ -1958,23 +2007,16 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "walkdir"
-version = "2.3.2"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
+checksum = "36df944cda56c7d8d8b7496af378e6b16de9284591917d307c9b4d313c44e698"
 dependencies = [
  "same-file",
- "winapi",
  "winapi-util",
 ]
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
@@ -2000,7 +2042,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "wasm-bindgen-shared",
 ]
 
@@ -2022,7 +2064,7 @@ checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2087,6 +2129,21 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows-sys"
 version = "0.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
@@ -2096,9 +2153,9 @@ dependencies = [
 
 [[package]]
 name = "windows-targets"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
@@ -2111,45 +2168,45 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
 
 [[package]]
 name = "wycheproof"
@@ -2165,13 +2222,12 @@ dependencies = [
 
 [[package]]
 name = "x25519-dalek"
-version = "2.0.0-pre.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
 dependencies = [
  "curve25519-dalek",
  "rand_core 0.6.4",
- "zeroize",
 ]
 
 [[package]]
@@ -2196,7 +2252,7 @@ dependencies = [
  "crypto_provider_rustcrypto",
  "hex",
  "ldt_tbc",
- "rand 0.8.5",
+ "rand",
  "rand_ext",
  "rand_pcg",
  "regex",
@@ -2206,21 +2262,6 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.5.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.3"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
+checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
diff --git a/nearby/Cargo.toml b/nearby/Cargo.toml
index 64817b8..a2b9f93 100644
--- a/nearby/Cargo.toml
+++ b/nearby/Cargo.toml
@@ -20,8 +20,9 @@ members = [
     "presence/xts_aes",
 ]
 
-# TODO: remove this once support for no_std + alloc no longer requires nightly
-exclude = ["presence/ldt_np_adv_ffi"]
+# TODO: remove ldt_np_adv_ffi once support for no_std + alloc no longer requires nightly
+# TODO: remove boringssl once we figure out a better plan for integrating the build system
+exclude = ["presence/ldt_np_adv_ffi", "crypto/crypto_provider_boringssl"]
 
 [workspace.dependencies]
 array_ref = {path = "presence/array_ref"}
@@ -41,6 +42,7 @@ ldt_tbc = {path = "presence/ldt_tbc"}
 
 # RustCrypto crates
 rand = { version = "0.8.5", default-features = false }
+rand_core = {version = "0.6.4"}
 rand_pcg = "0.3.1"
 sha2 = { version = "0.10.2", default-features = false }
 aes = "0.8.2"
@@ -48,22 +50,23 @@ cbc = { version = "0.1.2", features = ["alloc", "block-padding"] }
 ctr = "0.9.1"
 hkdf = "0.12.3"
 hmac = "0.12.1"
-ed25519-dalek = { version = "1.0.1" }
+ed25519-dalek = { version = "2.0.0-rc.2", default-features = false }
 ed25519 = "1.5.3"
 aes-gcm = "0.10.1"
 hex = "0.4.3"
 serde_json = { version = "1.0.91", features = ["alloc"], default-features = false }
 base64 = "0.21.0"
-x25519-dalek = { version = "2.0.0-pre.1", features = ["u64_backend"], default-features = false }
+x25519-dalek = { version = "2.0.0-rc.2", default-features = false }
 subtle = { version = "2.4.1", default-features = false }
 rand_chacha = { version = "0.3.1", default-features = false }
 p256 = { version = "0.12.0", default-features = false }
 sec1 = "0.3.0"
 # AOSP's protobuf is only at 2.27.1 (http://cs/android-internal/external/rust/crates/protobuf/METADATA)
-protobuf = "2.27.1"
+protobuf = "3.2.0"
+protobuf-codegen = "3.2.0"
 protoc-rust = "2.27.1"
-jni = "0.20.0"
-spin = "0.9.4"
+jni = "0.21.1"
+spin = "0.9.8"
 anyhow = "1.0.64"
 log = "0.4.17"
 env_logger = "0.10.0"
diff --git a/nearby/Dockerfile b/nearby/Dockerfile
index d8b89f7..331e8e6 100644
--- a/nearby/Dockerfile
+++ b/nearby/Dockerfile
@@ -21,7 +21,7 @@ protobuf-compiler pkg-config libdbus-1-dev libssl-dev ninja-build
 RUN apt upgrade -y
 
 # install cargo with default settings
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.65.0
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.68.1
 ENV PATH="/root/.cargo/bin:${PATH}"
 RUN cargo install --locked cargo-deny --color never 2>&1
 RUN cargo install cargo-fuzz --color never 2>&1
@@ -30,14 +30,20 @@ RUN cargo install cargo-prefetch \
     --git https://github.com/marshallpierce/cargo-prefetch.git \
     --rev f6affa68e950275f9fd773f2646ab7ee4db82897 \
     --color never 2>&1
+# needed for generating boringssl bindings
+RUN cargo install bindgen-cli
 RUN rustup toolchain add nightly
-RUN curl -L https://go.dev/dl/go1.20.linux-amd64.tar.gz | tar -C /usr/local -xz
+RUN curl -L https://go.dev/dl/go1.20.2.linux-amd64.tar.gz | tar -C /usr/local -xz
 ENV PATH="$PATH:/usr/local/go/bin"
 RUN go install github.com/google/addlicense@latest
 
 # when the image runs build and test everything to ensure env is setup correctly
 CMD ["./scripts/check-everything.sh"]
 
+# needed for boringssl git operations
+RUN git config --global user.email "docker@example.com"
+RUN git config --global user.name "NP Docker"
+
 RUN mkdir -p /google/nearby
 WORKDIR /google/nearby
 
@@ -47,3 +53,4 @@ RUN cargo prefetch --lockfile Cargo.lock
 
 # copy repo into workdir of docker containter
 COPY . .
+
diff --git a/nearby/README.md b/nearby/README.md
index a4bb6f4..1ca0306 100644
--- a/nearby/README.md
+++ b/nearby/README.md
@@ -18,42 +18,19 @@ If you don't already have a Rust toolchain, see [rustup.rs](https://rustup.rs/).
 
 ### Cargo
 
-Install [`cargo-deny`](https://github.com/EmbarkStudios/cargo-deny) and [`cargo-fuzz`](https://github.com/rust-fuzz/cargo-fuzz):
+Install [`cargo-deny`](https://github.com/EmbarkStudios/cargo-deny)
+and [`cargo-fuzz`](https://github.com/rust-fuzz/cargo-fuzz):
+
 ```
 cargo install --locked cargo-deny
 cargo install cargo-fuzz
 ```
 
-### AES on aarch64
-
-To enable RustCrypto AES acceleration on aarch64 (ARMv8) with the nightly toolchain:
-
-```toml
-[build]
-# only needed when the project is in CitC workspace
-target-dir = "/usr/local/google/home/YOUR-USERNAME-HERE/.cache/cargo-target/np-crypto-exp"
-# enable AES intrinsics on ARMv8
-rustflags = ["--cfg", "aes_armv8"]
-```
-
-The benchmarks in `ldt` apparently don't honor that Cargo config, so they need
-their own in
-
-`ldt/.cargo/config.toml`:
-
-```tomls
-[build]
-# only needed when the project is in CitC workspace
-target-dir = "/usr/local/google/home/YOUR-USERNAME-HERE/.cache/cargo-target/ldt"
-```
-
-You'll know it's working if after building everything and running benchmarks,
-you don't have any `target` directories that show up in `hg st` or the like.
-
 ### Setting up a Docker dev environment
+
 Our project requires specific versions of system dependencies like OpenSSL and
-protobuf in order to build correctly. To make the setup of this easier you can use Docker
-to handle setting up the environment in a container.
+protobuf in order to build correctly. To make the setup of this easier you can
+use Docker to handle setting up the environment in a container.
 
 First install Docker then build and run the image:
 
@@ -61,36 +38,65 @@ First install Docker then build and run the image:
 sudo docker build -t nearby_rust:v1.0 .
 sudo docker run --rm -it nearby_rust:v1.0
 ```
-Building the image creates a snapshot of the environment that has all of the system dependencies needed to start building and running all of the artifacts in the codebase.
 
-Running the image runs check-everything.sh to verify all of the targets can successfully build and all of the tests pass in your new container environment.
+Building the image creates a snapshot of the environment that has all of the
+system dependencies needed to start building and running all of the artifacts in
+the codebase.
+
+Running the image runs check-everything.sh to verify all of the targets can
+successfully build and all of the tests pass in your new container environment.
 
 To open a bash shell from the container environment:
+
 ```
 sudo docker run -it nearby_rust:v1.0 bash
 ```
 
-You can also setup VSCode to [develop in a Docker container on a remote host](https://code.visualstudio.com/remote/advancedcontainers/develop-remote-host) that way you can make code changes and test them in the same environment without having to re-build the image.
+You can also setup VSCode
+to [develop in a Docker container on a remote host](https://code.visualstudio.com/remote/advancedcontainers/develop-remote-host)
+that way you can make code changes and test them in the same environment without
+having to re-build the image.
 
 ### Installing addlicense Tool
-This tool helps lint the project for the correct header files being present and is run in check_everything.sh
+
+This tool helps lint the project for the correct header files being present and
+is run in check_everything.sh
 
 install go:
+
 ```sh
 brew install go
 ```
-Then install the addlicense tool:
+
+Then install the addlicense tool to `$HOME/go/bin`:
+
 ```sh
 go install github.com/google/addlicense@latest
 ```
+
+Optionally, if you prefer to avoid Go's default `bin` dir that holds build
+output for all go projects, specify the `GOPATH` env var to be the directory to
+install to, e.g. `~/local/addlicense`:
+
+```sh
+GOPATH=~/local/addlicense go install github.com/google/addlicense@latest
+```
+
+This will put the binary at `~/local/addlicense/bin/addlicense` instead
+of `~/go/bin/addlicense`.
+
 Verify that it works:
+
 ```sh
 $HOME/go/bin/addlicense -h
 ```
+
 Then to auto generate the headers run:
+
 ```sh
 $HOME/go/bin/addlicense -c "Google LLC" -l apache .
 ```
+
 For more detailed commands see: https://github.com/google/addlicense
 
 ## Common tasks
@@ -120,19 +126,23 @@ cargo doc --no-deps --workspace --open
 ```
 
 Run linter on dependencies as configured in `deny.toml` <br>
-This will make sure all of our dependencies are using valid licenses and check for known existing security
+This will make sure all of our dependencies are using valid licenses and check
+for known existing security
 vulnerabilities, bugs and deprecated versions
+
 ```
 cargo deny --workspace check
 ```
 
-Update dependencies in `Cargo.lock` to their latest in the currently specified version ranges (i.e. transitive deps):
+Update dependencies in `Cargo.lock` to their latest in the currently specified
+version ranges (i.e. transitive deps):
 
 ```
 cargo update
 ```
 
-Check for outdated dependencies with [cargo-outdated](https://github.com/kbknapp/cargo-outdated):
+Check for outdated dependencies
+with [cargo-outdated](https://github.com/kbknapp/cargo-outdated):
 
 ```
 cargo outdated
diff --git a/nearby/cargo2android.json b/nearby/cargo2android.json
index 8072e3f..84e42b8 100644
--- a/nearby/cargo2android.json
+++ b/nearby/cargo2android.json
@@ -1,4 +1,5 @@
 {
+    "patch": "patches/Android.bp.patch",
     "device": true,
     "run": true,
     "features": "openssl,boringssl",
diff --git a/nearby/connections/ukey2/README.md b/nearby/connections/ukey2/README.md
index 2ec1fa3..3ea4369 100644
--- a/nearby/connections/ukey2/README.md
+++ b/nearby/connections/ukey2/README.md
@@ -4,7 +4,7 @@ This is a general description of what is contained in each crate and how it shou
 -
 - Contains the state machine required to run the handshake
 - A new state type is return on each message exchanged with this state machine
-- Current status: Wire-compatible with existing implementations of UKEY2 using the HandshakeImplementation::Weird value.
+- Current status: Wire-compatible with existing implementations of UKEY2 using the HandshakeImplementation::PublicKeyInProtobuf value.
 - TODO: Improve error handling
 
 ```ukey2-connections```:
@@ -18,14 +18,14 @@ This is a general description of what is contained in each crate and how it shou
 -
 - Houses a JNI wrapper for the ````ukey2-connections```` crate
 - Includes a small Java test applet to test throwing exceptions and an example of how to use the library
-- Automatically uses the ```HandshakeImplementation::Weird``` implementation for compatibility with existing implementations.
+- Automatically uses the ```HandshakeImplementation::PublicKeyInProtobuf``` implementation for compatibility with existing implementations.
 - Current status: Working with the driver code in ```ukey2-jni/java```
 
 ```ukey2-c-ffi```:
 -
 - Houses a C interface for the Rust library
 - Includes a header that can be used to link against the library
-- Automatically uses the ```HandshakeImplementation::Weird``` implementation for compatibility with existing implementations.
+- Automatically uses the ```HandshakeImplementation::PublicKeyInProtobuf``` implementation for compatibility with existing implementations.
 - Current status: Handshake and message exchange working with the ```ukey2-c-ffi/cpp/``` test binary
 - To build the test binary, first build the FFI library with Cargo (only works on Linux) and then from ukey2-c-ffi: ```bazel (or blaze) build //cpp:ukey2```
 - TODO: Improve error handling
diff --git a/nearby/connections/ukey2/ukey2/Cargo.toml b/nearby/connections/ukey2/ukey2/Cargo.toml
index de2352c..7c10b41 100644
--- a/nearby/connections/ukey2/ukey2/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2/Cargo.toml
@@ -8,13 +8,14 @@ publish.workspace = true
 crypto_provider.workspace = true
 rand.workspace = true
 ukey2_proto.workspace = true
+log.workspace = true
 
 derive-getters = "0.2.0"
 num-bigint = "0.4.3"
 
 [dev-dependencies]
 rand = { workspace = true, features = ["std_rng"] }
-crypto_provider_rustcrypto.workspace = true
+crypto_provider_rustcrypto = {workspace = true, features = ["std"] }
 crypto_provider_openssl.workspace = true
 rstest = "0.16.0"
 sha2.workspace = true
diff --git a/nearby/connections/ukey2/ukey2/src/error_handler.rs b/nearby/connections/ukey2/ukey2/src/error_handler.rs
deleted file mode 100644
index 0d3eab2..0000000
--- a/nearby/connections/ukey2/ukey2/src/error_handler.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2023 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#[derive(Clone)]
-pub enum Severity {
-    Info,
-    Warning,
-    Error,
-}
-
-pub trait ErrorHandler: Send {
-    #[track_caller]
-    fn log_err(&self, severity: Severity, message: String) {
-        self.log_full_err(
-            severity,
-            message,
-            std::panic::Location::caller().file(),
-            std::panic::Location::caller().line(),
-        )
-    }
-
-    fn log_full_err(
-        &self,
-        severity: Severity,
-        message: String,
-        origin_file: &str,
-        origin_line: u32,
-    );
-}
-
-/// An [ErrorHandler] that does nothing.
-#[derive(Default)]
-pub struct NoOpHandler {}
-
-impl ErrorHandler for NoOpHandler {
-    fn log_full_err(&self, _severity: Severity, _message: String, _file: &str, _line: u32) {
-        // no op
-    }
-}
diff --git a/nearby/connections/ukey2/ukey2/src/lib.rs b/nearby/connections/ukey2/ukey2/src/lib.rs
index fbb8210..d8f2270 100644
--- a/nearby/connections/ukey2/ukey2/src/lib.rs
+++ b/nearby/connections/ukey2/ukey2/src/lib.rs
@@ -12,9 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//! This crate is an implementation of the UKEY2 handshake protocol
+//! This crate is an implementation of the UKEY2 handshake protocol.
+//!
+//! UKEY2 is a Diffie-Hellman based authentication exchange protocol that allows two devices to
+//! establish a secure channel.
+//!
+//! For a full description of the protocol, see <https://github.com/google/ukey2>.
 #![forbid(unsafe_code)]
 #![deny(
+    missing_docs,
     trivial_casts,
     trivial_numeric_casts,
     unused_extern_crates,
@@ -22,15 +28,13 @@
     unused_results
 )]
 
-pub mod error_handler;
 mod proto_adapter;
 mod state_machine;
 #[cfg(test)]
 mod tests;
 mod ukey2_handshake;
 
-pub use error_handler::{ErrorHandler, Severity};
-pub use state_machine::StateMachine;
+pub use state_machine::{SendAlert, StateMachine};
 pub use ukey2_handshake::{
     CompletedHandshake, HandshakeImplementation, Ukey2Client, Ukey2ClientStage1, Ukey2Server,
     Ukey2ServerStage1, Ukey2ServerStage2, WireCompatibilityLayer,
diff --git a/nearby/connections/ukey2/ukey2/src/proto_adapter.rs b/nearby/connections/ukey2/ukey2/src/proto_adapter.rs
index 2be2901..adb9982 100644
--- a/nearby/connections/ukey2/ukey2/src/proto_adapter.rs
+++ b/nearby/connections/ukey2/ukey2/src/proto_adapter.rs
@@ -12,60 +12,64 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! An adapter that converts between generated protobuf types and native Rust types.
+
 use crypto_provider::elliptic_curve::EcdhProvider;
 use crypto_provider::p256::{P256EcdhProvider, P256PublicKey, P256};
 use crypto_provider::CryptoProvider;
 use derive_getters::Getters;
-use ukey2_proto::protobuf::ProtobufEnum;
 use ukey2_proto::ukey2_all_proto::{securemessage, ukey};
 
 /// For generated proto types for UKEY2 messages
 trait WithMessageType: ukey2_proto::protobuf::Message {
-    fn msg_type() -> ukey::Ukey2Message_Type;
+    fn msg_type() -> ukey::ukey2message::Type;
 }
 
 pub(crate) trait ToWrappedMessage {
-    /// Encode self and wrap in a `Ukey2Message`
+    /// Wrap `self` in a `Ukey2Message`. Creates a new `Ukey2Message` with `message_type` set to
+    /// [`msg_type`][WithMessageType::msg_type] and `message_data` set to the serialized bytes for
+    /// the `self` proto.
     fn to_wrapped_msg(self) -> ukey::Ukey2Message;
 }
 
 impl<M: WithMessageType> ToWrappedMessage for M {
     fn to_wrapped_msg(self) -> ukey::Ukey2Message {
-        let mut message = ukey::Ukey2Message::default();
-        message.set_message_type(Self::msg_type());
-        message.set_message_data(self.write_to_bytes().unwrap());
-        message
+        ukey::Ukey2Message {
+            message_type: Some(Self::msg_type().into()),
+            message_data: self.write_to_bytes().ok(),
+            ..Default::default()
+        }
     }
 }
 
 impl WithMessageType for ukey::Ukey2Alert {
-    fn msg_type() -> ukey::Ukey2Message_Type {
-        ukey::Ukey2Message_Type::ALERT
+    fn msg_type() -> ukey::ukey2message::Type {
+        ukey::ukey2message::Type::ALERT
     }
 }
 
 impl WithMessageType for ukey::Ukey2ServerInit {
-    fn msg_type() -> ukey::Ukey2Message_Type {
-        ukey::Ukey2Message_Type::SERVER_INIT
+    fn msg_type() -> ukey::ukey2message::Type {
+        ukey::ukey2message::Type::SERVER_INIT
     }
 }
 
 impl WithMessageType for ukey::Ukey2ClientFinished {
-    fn msg_type() -> ukey::Ukey2Message_Type {
-        ukey::Ukey2Message_Type::CLIENT_FINISH
+    fn msg_type() -> ukey::ukey2message::Type {
+        ukey::ukey2message::Type::CLIENT_FINISH
     }
 }
 
 impl WithMessageType for ukey::Ukey2ClientInit {
-    fn msg_type() -> ukey::Ukey2Message_Type {
-        ukey::Ukey2Message_Type::CLIENT_INIT
+    fn msg_type() -> ukey::ukey2message::Type {
+        ukey::ukey2message::Type::CLIENT_INIT
     }
 }
 
 /// Convert a generated proto type into our custom adapter type.
 pub(crate) trait IntoAdapter<A> {
     /// Convert `self` into the adapter type.
-    fn into_adapter(self) -> Result<A, ukey::Ukey2Alert_AlertType>;
+    fn into_adapter(self) -> Result<A, ukey::ukey2alert::AlertType>;
 }
 
 #[derive(Debug, PartialEq, Eq)]
@@ -78,7 +82,6 @@ pub(crate) enum MessageType {
 #[derive(Getters)]
 pub(crate) struct ClientInit {
     version: i32,
-    random: [u8; 32],
     commitments: Vec<CipherCommitment>,
     next_protocol: String,
 }
@@ -97,9 +100,13 @@ pub(crate) struct ClientFinished {
     pub(crate) public_key: Vec<u8>,
 }
 
+/// The handshake cipher used for UKEY2 handshake. Corresponds to the proto message
+/// `ukey::Ukey2HandshakeCipher`.
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
 pub enum HandshakeCipher {
+    /// NIST P-256 used for ECDH, SHA512 used for commitment
     P256Sha512,
+    /// Curve 25519 used for ECDH, SHA512 used for commitment
     Curve25519Sha512,
 }
 
@@ -118,53 +125,45 @@ pub(crate) struct CipherCommitment {
     commitment: Vec<u8>,
 }
 
-pub(crate) enum PublicKeyType {
-    Ec256,
-    RSA2048,
-    Dh2048Modp,
-}
-
 pub(crate) enum GenericPublicKey<C: CryptoProvider> {
     Ec256(<C::P256 as EcdhProvider<P256>>::PublicKey),
     // Other public key types are not supported
 }
 
-impl IntoAdapter<MessageType> for i32 {
-    fn into_adapter(self) -> Result<MessageType, ukey::Ukey2Alert_AlertType> {
-        const CLIENT_INIT: i32 = ukey::Ukey2Message_Type::CLIENT_INIT as i32;
-        const SERVER_INIT: i32 = ukey::Ukey2Message_Type::SERVER_INIT as i32;
-        const CLIENT_FINISH: i32 = ukey::Ukey2Message_Type::CLIENT_FINISH as i32;
+impl IntoAdapter<MessageType> for ukey::ukey2message::Type {
+    fn into_adapter(self) -> Result<MessageType, ukey::ukey2alert::AlertType> {
         match self {
-            CLIENT_INIT => Some(MessageType::ClientInit),
-            SERVER_INIT => Some(MessageType::ServerInit),
-            CLIENT_FINISH => Some(MessageType::ClientFinish),
-            _ => None,
+            ukey::ukey2message::Type::CLIENT_INIT => Ok(MessageType::ClientInit),
+            ukey::ukey2message::Type::SERVER_INIT => Ok(MessageType::ServerInit),
+            ukey::ukey2message::Type::CLIENT_FINISH => Ok(MessageType::ClientFinish),
+            _ => Err(ukey::ukey2alert::AlertType::BAD_MESSAGE_TYPE),
         }
-        .ok_or(ukey::Ukey2Alert_AlertType::BAD_MESSAGE_TYPE)
     }
 }
 
 impl IntoAdapter<HandshakeCipher> for i32 {
-    fn into_adapter(self) -> Result<HandshakeCipher, ukey::Ukey2Alert_AlertType> {
+    fn into_adapter(self) -> Result<HandshakeCipher, ukey::ukey2alert::AlertType> {
         const P256_CODE: i32 = ukey::Ukey2HandshakeCipher::P256_SHA512 as i32;
         const CURVE25519_CODE: i32 = ukey::Ukey2HandshakeCipher::CURVE25519_SHA512 as i32;
         match self {
             P256_CODE => Ok(HandshakeCipher::P256Sha512),
             CURVE25519_CODE => Ok(HandshakeCipher::Curve25519Sha512),
-            _ => Err(ukey::Ukey2Alert_AlertType::BAD_HANDSHAKE_CIPHER),
+            _ => Err(ukey::ukey2alert::AlertType::BAD_HANDSHAKE_CIPHER),
         }
     }
 }
 
-impl IntoAdapter<CipherCommitment> for ukey::Ukey2ClientInit_CipherCommitment {
-    fn into_adapter(self) -> Result<CipherCommitment, ukey::Ukey2Alert_AlertType> {
-        let handshake_cipher: HandshakeCipher =
-            self.get_handshake_cipher().value().into_adapter()?;
+impl IntoAdapter<CipherCommitment> for ukey::ukey2client_init::CipherCommitment {
+    fn into_adapter(self) -> Result<CipherCommitment, ukey::ukey2alert::AlertType> {
+        let handshake_cipher: HandshakeCipher = self
+            .handshake_cipher
+            .ok_or(ukey::ukey2alert::AlertType::BAD_HANDSHAKE_CIPHER)
+            .and_then(|code| code.value().into_adapter())?;
         // no bad commitment so this is best-effort
-        let commitment = self.get_commitment().to_vec();
-        if commitment.is_empty() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_HANDSHAKE_CIPHER);
-        }
+        let commitment = self
+            .commitment
+            .filter(|c| !c.is_empty())
+            .ok_or(ukey::ukey2alert::AlertType::BAD_HANDSHAKE_CIPHER)?;
         Ok(CipherCommitment {
             commitment,
             cipher: handshake_cipher,
@@ -173,21 +172,18 @@ impl IntoAdapter<CipherCommitment> for ukey::Ukey2ClientInit_CipherCommitment {
 }
 
 impl IntoAdapter<ClientInit> for ukey::Ukey2ClientInit {
-    fn into_adapter(self) -> Result<ClientInit, ukey::Ukey2Alert_AlertType> {
-        let random: [u8; 32] = self
-            .get_random()
-            .try_into()
-            .map_err(|_| ukey::Ukey2Alert_AlertType::BAD_RANDOM)?;
-        if !self.has_version() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_VERSION);
-        }
-        let version: i32 = self.get_version();
-        let next_protocol = String::from(self.get_next_protocol());
-        if next_protocol.is_empty() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_NEXT_PROTOCOL);
+    fn into_adapter(self) -> Result<ClientInit, ukey::ukey2alert::AlertType> {
+        if self.random().len() != 32 {
+            return Err(ukey::ukey2alert::AlertType::BAD_RANDOM);
         }
+        let version: i32 = self
+            .version
+            .ok_or(ukey::ukey2alert::AlertType::BAD_VERSION)?;
+        let next_protocol = self
+            .next_protocol
+            .filter(|n| !n.is_empty())
+            .ok_or(ukey::ukey2alert::AlertType::BAD_NEXT_PROTOCOL)?;
         Ok(ClientInit {
-            random,
             next_protocol,
             version,
             commitments: self
@@ -200,21 +196,22 @@ impl IntoAdapter<ClientInit> for ukey::Ukey2ClientInit {
 }
 
 impl IntoAdapter<ServerInit> for ukey::Ukey2ServerInit {
-    fn into_adapter(self) -> Result<ServerInit, ukey::Ukey2Alert_AlertType> {
-        if !self.has_version() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_VERSION);
-        }
-        let version: i32 = self.get_version();
+    fn into_adapter(self) -> Result<ServerInit, ukey::ukey2alert::AlertType> {
+        let version: i32 = self
+            .version
+            .ok_or(ukey::ukey2alert::AlertType::BAD_VERSION)?;
         let random: [u8; 32] = self
-            .get_random()
-            .try_into()
-            .map_err(|_| ukey::Ukey2Alert_AlertType::BAD_RANDOM)?;
-        let handshake_cipher = self.get_handshake_cipher().value().into_adapter()?;
+            .random
+            .and_then(|r| r.try_into().ok())
+            .ok_or(ukey::ukey2alert::AlertType::BAD_RANDOM)?;
+        let handshake_cipher = self
+            .handshake_cipher
+            .ok_or(ukey::ukey2alert::AlertType::BAD_HANDSHAKE_CIPHER)
+            .and_then(|code| code.value().into_adapter())?;
         // We will be handling bad pubkeys in the layers above
-        let public_key: Vec<u8> = self.get_public_key().to_vec();
-        if public_key.is_empty() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY);
-        }
+        let public_key: Vec<u8> = self
+            .public_key
+            .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
         Ok(ServerInit {
             handshake_cipher,
             version,
@@ -225,62 +222,121 @@ impl IntoAdapter<ServerInit> for ukey::Ukey2ServerInit {
 }
 
 impl IntoAdapter<ClientFinished> for ukey::Ukey2ClientFinished {
-    fn into_adapter(self) -> Result<ClientFinished, ukey::Ukey2Alert_AlertType> {
-        let public_key: Vec<u8> = self.get_public_key().to_vec();
-        if public_key.is_empty() {
-            return Err(ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY);
-        }
+    fn into_adapter(self) -> Result<ClientFinished, ukey::ukey2alert::AlertType> {
+        let public_key: Vec<u8> = self
+            .public_key
+            .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
         Ok(ClientFinished { public_key })
     }
 }
 
 impl<C: CryptoProvider> IntoAdapter<GenericPublicKey<C>> for securemessage::GenericPublicKey {
-    fn into_adapter(self) -> Result<GenericPublicKey<C>, ukey::Ukey2Alert_AlertType> {
-        const DH2048_MODP: i32 = securemessage::PublicKeyType::DH2048_MODP as i32;
-        const EC_P256: i32 = securemessage::PublicKeyType::EC_P256 as i32;
-        const RSA_2048: i32 = securemessage::PublicKeyType::RSA2048 as i32;
-        let key_type = match self.get_field_type().value() {
-            DH2048_MODP => Some(PublicKeyType::Dh2048Modp),
-            EC_P256 => Some(PublicKeyType::Ec256),
-            RSA_2048 => Some(PublicKeyType::RSA2048),
-            _ => None,
-        }
-        .ok_or(ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)?;
+    fn into_adapter(self) -> Result<GenericPublicKey<C>, ukey::ukey2alert::AlertType> {
+        let key_type = self
+            .type_
+            .and_then(|t| t.enum_value().ok())
+            .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
         match key_type {
-            PublicKeyType::Ec256 => {
-                let key = self.ec_p256_public_key.unwrap();
-                // TODO: condense
-                let key_x = num_bigint::BigInt::from_bytes_be(num_bigint::Sign::Plus, key.get_x())
-                    .to_biguint()
-                    .unwrap();
-                let key_y = num_bigint::BigInt::from_bytes_be(num_bigint::Sign::Plus, key.get_y())
-                    .to_biguint()
-                    .unwrap();
-                let key_x_bytes: [u8; 32] = key_x
-                    .to_bytes_be()
-                    .as_slice()
-                    .try_into()
-                    .map_err(|_| ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)?;
-                let key_y_bytes: [u8; 32] = key_y
-                    .to_bytes_be()
-                    .as_slice()
-                    .try_into()
-                    .map_err(|_| ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)?;
+            securemessage::PublicKeyType::EC_P256 => {
+                let (key_x, key_y) = self
+                    .ec_p256_public_key
+                    .into_option()
+                    .and_then(|pk| pk.x.zip(pk.y))
+                    .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
+                let key_x_bytes: [u8; 32] = positive_twos_complement_to_32_byte_unsigned(&key_x)
+                    .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
+                let key_y_bytes: [u8; 32] = positive_twos_complement_to_32_byte_unsigned(&key_y)
+                    .ok_or(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)?;
                 <C::P256 as P256EcdhProvider>::PublicKey::from_affine_coordinates(
                     &key_x_bytes,
                     &key_y_bytes,
                 )
                 .map(GenericPublicKey::Ec256)
-                .map_err(|_| ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)
+                .map_err(|_| ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)
             }
-            PublicKeyType::RSA2048 => {
+            securemessage::PublicKeyType::RSA2048 => {
                 // We don't support RSA keys
-                Err(ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)
+                Err(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)
             }
-            PublicKeyType::Dh2048Modp => {
+            securemessage::PublicKeyType::DH2048_MODP => {
                 // We don't support DH2048 keys, only ECDH.
-                Err(ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY)
+                Err(ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY)
             }
         }
     }
 }
+
+/// Turns a big endian two's complement integer representation into big endian unsigned
+/// representation. If the input byte array is not positive or cannot be fit into 32 byte unsigned
+/// int range, then `None` is returned.
+fn positive_twos_complement_to_32_byte_unsigned(twos_complement: &[u8]) -> Option<[u8; 32]> {
+    if !twos_complement.is_empty() && (twos_complement[0] & 0x80) == 0 {
+        let mut twos_complement_iter = twos_complement.iter().rev();
+        let mut result = [0_u8; 32];
+        for (dst, src) in result.iter_mut().rev().zip(&mut twos_complement_iter) {
+            *dst = *src;
+        }
+        if twos_complement_iter.any(|x| *x != 0) {
+            // If any remaining elements are non-zero, the input cannot be fit into the 32 byte
+            // unsigned range
+            return None;
+        }
+        // No conversion needed since positive two's complement is the same as unsigned
+        Some(result)
+    } else {
+        None
+    }
+}
+
+#[cfg(test)]
+mod test {
+    #[test]
+    fn test_positive_twos_complement_to_32_byte_unsigned() {
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[]), // Empty input
+            None
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0xff, 0x05, 0x05]), // Negative
+            None
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0xff; 32]), // Negative
+            None
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0x05; 34]), // Too long
+            None
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0x05, 0xff]),
+            Some([
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x05, 0xff
+            ])
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0x05, 0x05, 0x05]),
+            Some([
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x05, 0x05, 0x05
+            ])
+        );
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&[0x05; 32]),
+            Some([0x05; 32])
+        );
+        let mut input_33_bytes = [0xff_u8; 33];
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&input_33_bytes),
+            None // Negative input
+        );
+        input_33_bytes[0] = 0;
+        assert_eq!(
+            super::positive_twos_complement_to_32_byte_unsigned(&input_33_bytes),
+            Some([0xff; 32])
+        );
+    }
+}
diff --git a/nearby/connections/ukey2/ukey2/src/state_machine.rs b/nearby/connections/ukey2/ukey2/src/state_machine.rs
index 7973c6d..6b9a367 100644
--- a/nearby/connections/ukey2/ukey2/src/state_machine.rs
+++ b/nearby/connections/ukey2/ukey2/src/state_machine.rs
@@ -1,4 +1,3 @@
-#![allow(missing_docs)]
 // Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -15,40 +14,69 @@
 
 use crate::proto_adapter::{IntoAdapter, MessageType, ToWrappedMessage as _};
 use crate::ukey2_handshake::ClientFinishedError;
-use crate::{
-    ukey2_handshake::{
-        ClientInit, ClientInitError, Ukey2Client, Ukey2ClientStage1, Ukey2Server,
-        Ukey2ServerStage1, Ukey2ServerStage2,
-    },
-    ErrorHandler, Severity,
+use crate::ukey2_handshake::{
+    ClientInit, ClientInitError, Ukey2Client, Ukey2ClientStage1, Ukey2Server, Ukey2ServerStage1,
+    Ukey2ServerStage2,
 };
 use crypto_provider::CryptoProvider;
+use log::error;
 use std::fmt::Debug;
-use ukey2_proto::protobuf::{Message, ProtobufEnum};
+use ukey2_proto::protobuf::Message;
 use ukey2_proto::ukey2_all_proto::ukey;
 
 /// An alert type and message to be sent to the other party.
 #[derive(Debug, PartialEq, Eq)]
 pub struct SendAlert {
-    alert_type: ukey::Ukey2Alert_AlertType,
+    alert_type: ukey::ukey2alert::AlertType,
     msg: Option<String>,
 }
 
 impl SendAlert {
-    pub(crate) fn from(alert_type: ukey::Ukey2Alert_AlertType, msg: Option<String>) -> Self {
+    pub(crate) fn from(alert_type: ukey::ukey2alert::AlertType, msg: Option<String>) -> Self {
         Self { alert_type, msg }
     }
 
+    /// Convert this `SendAlert` into serialized bytes of the `Ukey2Alert` protobuf message.
     pub fn into_wrapped_alert_msg(self) -> Vec<u8> {
-        let mut alert_message = ukey::Ukey2Alert::default();
-        alert_message.set_field_type(self.alert_type);
-        if let Some(msg) = self.msg {
-            alert_message.set_error_message(msg)
-        }
+        let alert_message = ukey::Ukey2Alert {
+            type_: Some(self.alert_type.into()),
+            error_message: self.msg,
+            ..Default::default()
+        };
         alert_message.to_wrapped_msg().write_to_bytes().unwrap()
     }
 }
 
+/// Generic trait for implementation of a state machine. Each state in this machine has two possible
+/// transitions – Success and Failure.
+///
+/// On Success, the machine will transition to the next state, represented by the associated type
+/// `Success`.
+///
+/// On Failure, a [`SendAlert`] message is returned indicating the failure, and there no further
+/// transitions will be possible on this state machine.
+///
+/// ### State transitions
+///
+/// Here are the states both parties of the handshake goes through, with the Failure transitions
+/// omitted to keep the documentation simple.
+///
+/// ```text
+///          Ukey2ClientStage1               Ukey2ServerStage1
+///                 |
+///                 | -------[msg: ClientInit]-----> |
+///                                                  |
+///                                           Ukey2ServerStage2
+///                                                  |
+///                 | <------[msg: ServerInit]------ |
+///                 |
+///              Ukey2Client
+///                 |
+///                 | -----[msg: ClientFinished]---> |
+///                                                  |
+///                                              Ukey2Server
+/// ```
+///
 pub trait StateMachine {
     /// The type produced by each successful state transition
     type Success;
@@ -61,7 +89,7 @@ pub trait StateMachine {
     ) -> Result<Self::Success, SendAlert>;
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ClientStage1<C, E> {
+impl<C: CryptoProvider> StateMachine for Ukey2ClientStage1<C> {
     type Success = Ukey2Client;
 
     fn advance_state<R: rand::Rng + rand::CryptoRng>(
@@ -69,24 +97,20 @@ impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ClientStage1<C, E
         _rng: &mut R,
         message_bytes: &[u8],
     ) -> Result<Self::Success, SendAlert> {
-        let (message_data, message_type) =
-            decode_wrapper_msg_and_type(message_bytes, &self.error_logger)?;
+        let (message_data, message_type) = decode_wrapper_msg_and_type(message_bytes)?;
 
         match message_type {
             // Client should not be receiving ClientInit/ClientFinish
             MessageType::ClientInit | MessageType::ClientFinish => Err(SendAlert::from(
-                ukey::Ukey2Alert_AlertType::INCORRECT_MESSAGE,
+                ukey::ukey2alert::AlertType::INCORRECT_MESSAGE,
                 Some("wrong message".to_string()),
             )),
             MessageType::ServerInit => {
-                let message = decode_msg_contents::<_, ukey::Ukey2ServerInit, _>(
-                    message_data,
-                    &self.error_logger,
-                )?;
+                let message = decode_msg_contents::<_, ukey::Ukey2ServerInit>(message_data)?;
                 self.handle_server_init(message, message_bytes.to_vec())
                     .map_err(|_| {
                         SendAlert::from(
-                            ukey::Ukey2Alert_AlertType::BAD_MESSAGE_DATA,
+                            ukey::ukey2alert::AlertType::BAD_MESSAGE_DATA,
                             Some("bad message_data".to_string()),
                         )
                     })
@@ -95,34 +119,31 @@ impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ClientStage1<C, E
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ServerStage1<C, E> {
-    type Success = Ukey2ServerStage2<C, E>;
+impl<C: CryptoProvider> StateMachine for Ukey2ServerStage1<C> {
+    type Success = Ukey2ServerStage2<C>;
 
     fn advance_state<R: rand::Rng + rand::CryptoRng>(
         self,
         rng: &mut R,
         message_bytes: &[u8],
     ) -> Result<Self::Success, SendAlert> {
-        let (message_data, message_type) =
-            decode_wrapper_msg_and_type(message_bytes, &self.error_logger)?;
+        let (message_data, message_type) = decode_wrapper_msg_and_type(message_bytes)?;
         match message_type {
             MessageType::ClientInit => {
-                let message: ClientInit = decode_msg_contents::<_, ukey::Ukey2ClientInit, _>(
-                    message_data,
-                    &self.error_logger,
-                )?;
+                let message: ClientInit =
+                    decode_msg_contents::<_, ukey::Ukey2ClientInit>(message_data)?;
                 self.handle_client_init(rng, message, message_bytes.to_vec())
                     .map_err(|e| {
                         SendAlert::from(
                             match e {
                                 ClientInitError::BadVersion => {
-                                    ukey::Ukey2Alert_AlertType::BAD_VERSION
+                                    ukey::ukey2alert::AlertType::BAD_VERSION
                                 }
                                 ClientInitError::BadHandshakeCipher => {
-                                    ukey::Ukey2Alert_AlertType::BAD_HANDSHAKE_CIPHER
+                                    ukey::ukey2alert::AlertType::BAD_HANDSHAKE_CIPHER
                                 }
                                 ClientInitError::BadNextProtocol => {
-                                    ukey::Ukey2Alert_AlertType::BAD_NEXT_PROTOCOL
+                                    ukey::ukey2alert::AlertType::BAD_NEXT_PROTOCOL
                                 }
                             },
                             None,
@@ -130,14 +151,14 @@ impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ServerStage1<C, E
                     })
             }
             MessageType::ClientFinish | MessageType::ServerInit => Err(SendAlert::from(
-                ukey::Ukey2Alert_AlertType::INCORRECT_MESSAGE,
+                ukey::ukey2alert::AlertType::INCORRECT_MESSAGE,
                 Some("wrong message".to_string()),
             )),
         }
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ServerStage2<C, E> {
+impl<C: CryptoProvider> StateMachine for Ukey2ServerStage2<C> {
     type Success = Ukey2Server;
 
     fn advance_state<R: rand::Rng + rand::CryptoRng>(
@@ -145,36 +166,32 @@ impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ServerStage2<C, E
         _rng: &mut R,
         message_bytes: &[u8],
     ) -> Result<Self::Success, SendAlert> {
-        let (message_data, message_type) =
-            decode_wrapper_msg_and_type(message_bytes, &self.error_logger)?;
+        let (message_data, message_type) = decode_wrapper_msg_and_type(message_bytes)?;
         match message_type {
             MessageType::ClientFinish => {
-                let message = decode_msg_contents::<_, ukey::Ukey2ClientFinished, _>(
-                    message_data,
-                    &self.error_logger,
-                )?;
+                let message = decode_msg_contents::<_, ukey::Ukey2ClientFinished>(message_data)?;
                 self.handle_client_finished_msg(message, message_bytes)
                     .map_err(|e| match e {
                         ClientFinishedError::BadEd25519Key => SendAlert::from(
-                            ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY,
+                            ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY,
                             "Bad ED25519 Key".to_string().into(),
                         ),
                         ClientFinishedError::BadP256Key => SendAlert::from(
-                            ukey::Ukey2Alert_AlertType::BAD_PUBLIC_KEY,
+                            ukey::ukey2alert::AlertType::BAD_PUBLIC_KEY,
                             "Bad P256 Key".to_string().into(),
                         ),
                         ClientFinishedError::UnknownCommitment => SendAlert::from(
-                            ukey::Ukey2Alert_AlertType::BAD_MESSAGE_DATA,
+                            ukey::ukey2alert::AlertType::BAD_MESSAGE_DATA,
                             "Unknown commitment".to_string().into(),
                         ),
                         ClientFinishedError::BadKeyExchange => SendAlert::from(
-                            ukey::Ukey2Alert_AlertType::INTERNAL_ERROR,
+                            ukey::ukey2alert::AlertType::INTERNAL_ERROR,
                             "Key exchange error".to_string().into(),
                         ),
                     })
             }
             MessageType::ClientInit | MessageType::ServerInit => Err(SendAlert::from(
-                ukey::Ukey2Alert_AlertType::INCORRECT_MESSAGE,
+                ukey::ukey2alert::AlertType::INCORRECT_MESSAGE,
                 "wrong message".to_string().into(),
             )),
         }
@@ -182,42 +199,34 @@ impl<C: CryptoProvider, E: ErrorHandler> StateMachine for Ukey2ServerStage2<C, E
 }
 
 /// Extract the message field and message type from a Ukey2Message
-fn decode_wrapper_msg_and_type<E: ErrorHandler>(
-    bytes: &[u8],
-    logger: &E,
-) -> Result<(Vec<u8>, MessageType), SendAlert> {
+fn decode_wrapper_msg_and_type(bytes: &[u8]) -> Result<(Vec<u8>, MessageType), SendAlert> {
     ukey::Ukey2Message::parse_from_bytes(bytes)
         .map_err(|_| {
-            logger.log_err(
-                Severity::Error,
-                "Unable to unmarshal into Ukey2Message".to_string(),
-            );
-
+            error!("Unable to marshal into Ukey2Message");
             SendAlert::from(
-                ukey::Ukey2Alert_AlertType::BAD_MESSAGE,
+                ukey::ukey2alert::AlertType::BAD_MESSAGE,
                 Some("Bad message data".to_string()),
             )
         })
         .and_then(|message| {
-            let message_data = message.get_message_data();
+            let message_data = message.message_data();
             if message_data.is_empty() {
                 return Err(SendAlert::from(
-                    ukey::Ukey2Alert_AlertType::BAD_MESSAGE_DATA,
+                    ukey::ukey2alert::AlertType::BAD_MESSAGE_DATA,
                     None,
                 ));
             }
-            let message_type = message.get_message_type();
-            if message_type == ukey::Ukey2Message_Type::UNKNOWN_DO_NOT_USE {
+            let message_type = message.message_type();
+            if message_type == ukey::ukey2message::Type::UNKNOWN_DO_NOT_USE {
                 return Err(SendAlert::from(
-                    ukey::Ukey2Alert_AlertType::BAD_MESSAGE_TYPE,
+                    ukey::ukey2alert::AlertType::BAD_MESSAGE_TYPE,
                     None,
                 ));
             }
             message_type
-                .value()
                 .into_adapter()
                 .map_err(|e| {
-                    logger.log_err(Severity::Error, "Unknown UKEY2 Message Type".to_string());
+                    error!("Unknown UKEY2 Message Type");
                     SendAlert::from(e, Some("bad message type".to_string()))
                 })
                 .map(|message_type| (message_data.to_vec(), message_type))
@@ -227,19 +236,16 @@ fn decode_wrapper_msg_and_type<E: ErrorHandler>(
 /// Extract a specific message type from message data in a Ukey2Messaage
 ///
 /// See [decode_wrapper_msg_and_type] for getting the message data.
-fn decode_msg_contents<A, M: Message + Default + IntoAdapter<A>, E: ErrorHandler>(
+fn decode_msg_contents<A, M: Message + Default + IntoAdapter<A>>(
     message_data: Vec<u8>,
-    logger: &E,
 ) -> Result<A, SendAlert> {
     M::parse_from_bytes(message_data.as_slice())
         .map_err(|_| {
-            logger.log_err(
-                Severity::Error,
+            error!(
                 "Unable to unmarshal message, check frame of the message you were trying to send"
-                    .to_string(),
             );
             SendAlert::from(
-                ukey::Ukey2Alert_AlertType::BAD_MESSAGE_DATA,
+                ukey::ukey2alert::AlertType::BAD_MESSAGE_DATA,
                 Some("frame error".to_string()),
             )
         })?
diff --git a/nearby/connections/ukey2/ukey2/src/tests.rs b/nearby/connections/ukey2/ukey2/src/tests.rs
index 32f952e..5f3b942 100644
--- a/nearby/connections/ukey2/ukey2/src/tests.rs
+++ b/nearby/connections/ukey2/ukey2/src/tests.rs
@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crate::error_handler::NoOpHandler;
 use crate::{
     proto_adapter::{IntoAdapter as _, MessageType, ToWrappedMessage as _},
     ukey2_handshake::HandshakeCipher,
@@ -21,7 +20,7 @@ use crate::{
 use crypto_provider::elliptic_curve::{EcdhProvider, EphemeralSecret, PublicKey};
 use crypto_provider::p256::P256;
 use crypto_provider::x25519::X25519;
-use crypto_provider::CryptoProvider;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_openssl::Openssl;
 use crypto_provider_rustcrypto::RustCrypto;
 use rand::rngs::StdRng;
@@ -34,27 +33,32 @@ use ukey2_proto::ukey2_all_proto::ukey;
 
 #[rstest]
 fn advance_from_init_to_finish_client_test<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let mut rng = StdRng::from_entropy();
-    let client1 = Ukey2ClientStage1::<C, _>::from(
+    let client1 = Ukey2ClientStage1::<C>::from(
         &mut rng,
         "next protocol".to_string(),
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
     );
 
-    let secret = <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(&mut rng);
+    let secret =
+        <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(
+            &mut <<C::X25519 as EcdhProvider<X25519>>::EphemeralSecret as EphemeralSecret<
+                X25519,
+            >>::Rng::new(),
+        );
     let public_key =
         <C::X25519 as EcdhProvider<X25519>>::PublicKey::from_bytes(&secret.public_key_bytes())
             .unwrap();
     let random: [u8; 32] = rng.gen();
-
-    let mut message_data: ukey::Ukey2ServerInit = ukey::Ukey2ServerInit::default();
-    message_data.set_version(1);
-    message_data.set_random(random.to_vec());
-    message_data.set_handshake_cipher(ukey::Ukey2HandshakeCipher::CURVE25519_SHA512);
-    message_data.set_public_key(public_key.to_bytes().to_vec());
+    let message_data: ukey::Ukey2ServerInit = ukey::Ukey2ServerInit {
+        version: Some(1),
+        random: Some(random.to_vec()),
+        handshake_cipher: Some(ukey::Ukey2HandshakeCipher::CURVE25519_SHA512.into()),
+        public_key: Some(public_key.to_bytes()),
+        ..Default::default()
+    };
 
     let _client = client1
         .advance_state(
@@ -67,19 +71,20 @@ fn advance_from_init_to_finish_client_test<C: CryptoProvider>(
 
 #[rstest]
 fn advance_from_init_to_complete_server_x25519_test<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let mut rng = StdRng::from_entropy();
     let mut next_protocols = hash_set::HashSet::new();
     let _ = next_protocols.insert("AES_256_CBC-HMAC_SHA256".to_string());
-    let server1 = Ukey2ServerStage1::<C, _>::from(
-        next_protocols,
-        HandshakeImplementation::Spec,
-        NoOpHandler::default(),
-    );
+    let server1 = Ukey2ServerStage1::<C>::from(next_protocols, HandshakeImplementation::Spec);
     // We construct a ClientInit message for the server to get it into the state to handle
     // ClientFinish messages.
-    let secret = <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(&mut rng);
+    let secret =
+        <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(
+            &mut <<C::X25519 as EcdhProvider<X25519>>::EphemeralSecret as EphemeralSecret<
+                X25519,
+            >>::Rng::new(),
+        );
     let client_finished_msg = {
         let mut msg = ukey::Ukey2ClientFinished::default();
         msg.set_public_key(secret.public_key_bytes());
@@ -90,20 +95,32 @@ fn advance_from_init_to_complete_server_x25519_test<C: CryptoProvider>(
     hasher.update(&client_finished_bytes);
     let client_finished_hash = hasher.finalize().to_vec();
     let cipher = HandshakeCipher::Curve25519Sha512;
+    let client_random = rng.gen::<[u8; 32]>();
     let client_init_framed = {
-        let mut commitment = ukey::Ukey2ClientInit_CipherCommitment::default();
-        commitment.set_handshake_cipher(cipher.as_proto());
-        commitment.set_commitment(client_finished_hash);
-        let mut client_init = ukey::Ukey2ClientInit::default();
-        client_init.set_version(1);
-        client_init.set_random(rng.gen::<[u8; 32]>().to_vec());
-        client_init.set_cipher_commitments(vec![commitment].into());
-        client_init.set_next_protocol("AES_256_CBC-HMAC_SHA256".to_string());
+        let commitment = ukey::ukey2client_init::CipherCommitment {
+            handshake_cipher: Some(cipher.as_proto().into()),
+            commitment: Some(client_finished_hash),
+            ..Default::default()
+        };
+        let client_init = ukey::Ukey2ClientInit {
+            version: Some(1),
+            random: Some(client_random.to_vec()),
+            cipher_commitments: vec![commitment],
+            next_protocol: Some("AES_256_CBC-HMAC_SHA256".to_string()),
+            ..Default::default()
+        };
         client_init.to_wrapped_msg()
     };
     let server2 = server1
         .advance_state(&mut rng, &client_init_framed.write_to_bytes().unwrap())
         .unwrap();
+    assert!(
+        !server2
+            .server_init_msg()
+            .windows(client_random.len())
+            .any(|w| w == client_random),
+        "Server init msg should not contain the client's random"
+    );
     // TODO assertions on server2 state
     // We now move the server to the post-ClientFinished state
     let _server = server2
@@ -114,20 +131,18 @@ fn advance_from_init_to_complete_server_x25519_test<C: CryptoProvider>(
 
 #[rstest]
 fn advance_from_init_to_complete_server_p256_test<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let mut rng = StdRng::from_entropy();
     let mut next_protocols = hash_set::HashSet::new();
     let _ = next_protocols.insert("AES_256_CBC-HMAC_SHA256".to_string());
-    let server1 = Ukey2ServerStage1::<C, _>::from(
-        next_protocols,
-        HandshakeImplementation::Spec,
-        NoOpHandler::default(),
-    );
+    let server1 = Ukey2ServerStage1::<C>::from(next_protocols, HandshakeImplementation::Spec);
     // We construct a ClientInit message for the server to get it into the state to handle
     // ClientFinish messages.
-    let secret =
-        <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(&mut rng.clone());
+    let secret = <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(
+        &mut <<C::P256 as EcdhProvider<P256>>::EphemeralSecret as EphemeralSecret<P256>>::Rng::new(
+        ),
+    );
     let client_finished_msg = {
         let mut msg = ukey::Ukey2ClientFinished::default();
         msg.set_public_key(secret.public_key_bytes());
@@ -139,15 +154,19 @@ fn advance_from_init_to_complete_server_p256_test<C: CryptoProvider>(
     let client_finished_hash = hasher.finalize().to_vec();
     let cipher = HandshakeCipher::P256Sha512;
     let client_init_framed = {
-        let mut commitment = ukey::Ukey2ClientInit_CipherCommitment::default();
-        commitment.set_handshake_cipher(cipher.as_proto());
-        commitment.set_commitment(client_finished_hash);
-        let mut client_init = ukey::Ukey2ClientInit::default();
-        client_init.set_version(1);
-        client_init.set_random(rng.gen::<[u8; 32]>().to_vec());
-        client_init.set_cipher_commitments(vec![commitment].into());
-        client_init.set_next_protocol("AES_256_CBC-HMAC_SHA256".to_string());
-        client_init.to_wrapped_msg()
+        let commitment = ukey::ukey2client_init::CipherCommitment {
+            handshake_cipher: Some(cipher.as_proto().into()),
+            commitment: Some(client_finished_hash),
+            ..Default::default()
+        };
+        ukey::Ukey2ClientInit {
+            version: Some(1),
+            random: Some(rng.gen::<[u8; 32]>().to_vec()),
+            cipher_commitments: vec![commitment],
+            next_protocol: Some("AES_256_CBC-HMAC_SHA256".to_string()),
+            ..Default::default()
+        }
+        .to_wrapped_msg()
     };
     let server2 = server1
         .advance_state(&mut rng, &client_init_framed.write_to_bytes().unwrap())
@@ -161,10 +180,10 @@ fn advance_from_init_to_complete_server_p256_test<C: CryptoProvider>(
 
 #[test]
 fn message_type_discriminant() {
-    assert_eq!(1, ukey::Ukey2Message_Type::ALERT as i32);
-    assert_eq!(2, ukey::Ukey2Message_Type::CLIENT_INIT as i32);
-    assert_eq!(3, ukey::Ukey2Message_Type::SERVER_INIT as i32);
-    assert_eq!(4, ukey::Ukey2Message_Type::CLIENT_FINISH as i32);
+    assert_eq!(1, ukey::ukey2message::Type::ALERT as i32);
+    assert_eq!(2, ukey::ukey2message::Type::CLIENT_INIT as i32);
+    assert_eq!(3, ukey::ukey2message::Type::SERVER_INIT as i32);
+    assert_eq!(4, ukey::ukey2message::Type::CLIENT_FINISH as i32);
 }
 
 #[test]
@@ -175,9 +194,24 @@ fn cipher_type_discriminant() {
 
 #[test]
 fn convert_to_message_type() {
-    assert_eq!(MessageType::ClientInit, 2.into_adapter().unwrap());
-    assert_eq!(MessageType::ServerInit, 3.into_adapter().unwrap());
-    assert_eq!(MessageType::ClientFinish, 4.into_adapter().unwrap());
+    assert_eq!(
+        MessageType::ClientInit,
+        ukey::ukey2message::Type::CLIENT_INIT
+            .into_adapter()
+            .unwrap()
+    );
+    assert_eq!(
+        MessageType::ServerInit,
+        ukey::ukey2message::Type::SERVER_INIT
+            .into_adapter()
+            .unwrap()
+    );
+    assert_eq!(
+        MessageType::ClientFinish,
+        ukey::ukey2message::Type::CLIENT_FINISH
+            .into_adapter()
+            .unwrap()
+    );
 }
 
 #[test]
diff --git a/nearby/connections/ukey2/ukey2/src/ukey2_handshake.rs b/nearby/connections/ukey2/ukey2/src/ukey2_handshake.rs
index d2ed9c4..9e81fb8 100644
--- a/nearby/connections/ukey2/ukey2/src/ukey2_handshake.rs
+++ b/nearby/connections/ukey2/ukey2/src/ukey2_handshake.rs
@@ -17,7 +17,6 @@ pub(crate) use crate::proto_adapter::{
     CipherCommitment, ClientFinished, ClientInit, GenericPublicKey, HandshakeCipher,
     IntoAdapter as _, ServerInit, ToWrappedMessage as _,
 };
-use crate::ErrorHandler;
 use crypto_provider::elliptic_curve::EphemeralSecret;
 use crypto_provider::p256::{P256EcdhProvider, P256PublicKey, P256};
 use crypto_provider::x25519::X25519;
@@ -26,6 +25,7 @@ use crypto_provider::{
     elliptic_curve::{EcdhProvider, PublicKey},
     hkdf::Hkdf,
     sha2::{Sha256, Sha512},
+    CryptoRng,
 };
 use std::{
     collections::hash_set,
@@ -50,8 +50,31 @@ pub trait WireCompatibilityLayer {
 
 #[derive(Clone)]
 pub enum HandshakeImplementation {
+    /// Implementation of ukey2 exchange handshake according to the specs in
+    /// <https://github.com/google/ukey2/blob/master/README.md>.
+    ///
+    /// In particular, when encoding for the P256 public key, this uses the standardized encoding
+    /// described in [SEC 1](https://www.secg.org/sec1-v2.pdf).
+    ///
+    /// For X25519, the public key is the x-coordinate in little endian per RFC 7748.
     Spec,
-    Weird,
+    /// Implementation of ukey2 exchange handshake that matches
+    /// [the Java implementation](https://github.com/google/ukey2/blob/master/src/main/java/com/google/security/cryptauth/lib/securegcm/Ukey2Handshake.java),
+    /// but different from what the specs says.
+    ///
+    /// In particular, when encoding for the P256 curve, the public key is represented as serialized
+    /// bytes of the following proto:
+    /// ```text
+    /// message EcP256PublicKey {
+    ///     // x and y are encoded in big-endian two's complement (slightly wasteful)
+    ///     // Client MUST verify (x,y) is a valid point on NIST P256
+    ///     required bytes x = 1;
+    ///     required bytes y = 2;
+    /// }
+    /// ```
+    ///
+    /// Encoding for X25519 is not supported in this mode.
+    PublicKeyInProtobuf,
 }
 
 impl WireCompatibilityLayer for HandshakeImplementation {
@@ -62,7 +85,7 @@ impl WireCompatibilityLayer for HandshakeImplementation {
     ) -> Option<Vec<u8>> {
         match self {
             HandshakeImplementation::Spec => Some(key),
-            HandshakeImplementation::Weird => match cipher {
+            HandshakeImplementation::PublicKeyInProtobuf => match cipher {
                 HandshakeCipher::P256Sha512 => {
                     let p256_key =
                         <C::P256 as P256EcdhProvider>::PublicKey::from_bytes(key.as_slice())
@@ -76,12 +99,16 @@ impl WireCompatibilityLayer for HandshakeImplementation {
                         num_bigint::Sign::Plus,
                         num_bigint::BigUint::from_bytes_be(y.to_vec().as_slice()),
                     );
-                    let mut proto_key = securemessage::EcP256PublicKey::default();
-                    proto_key.set_x(bigboi_x.to_signed_bytes_be());
-                    proto_key.set_y(bigboi_y.to_signed_bytes_be());
-                    let mut key = securemessage::GenericPublicKey::default();
-                    key.set_field_type(securemessage::PublicKeyType::EC_P256);
-                    key.set_ec_p256_public_key(proto_key);
+                    let proto_key = securemessage::EcP256PublicKey {
+                        x: Some(bigboi_x.to_signed_bytes_be()),
+                        y: Some(bigboi_y.to_signed_bytes_be()),
+                        ..Default::default()
+                    };
+                    let key = securemessage::GenericPublicKey {
+                        type_: Some(securemessage::PublicKeyType::EC_P256.into()),
+                        ec_p256_public_key: Some(proto_key).into(),
+                        ..Default::default()
+                    };
                     key.write_to_bytes().ok()
                 }
                 HandshakeCipher::Curve25519Sha512 => None,
@@ -96,7 +123,7 @@ impl WireCompatibilityLayer for HandshakeImplementation {
     ) -> Option<Vec<u8>> {
         match self {
             HandshakeImplementation::Spec => Some(key),
-            HandshakeImplementation::Weird => {
+            HandshakeImplementation::PublicKeyInProtobuf => {
                 // key will be wrapped in a genericpublickey
                 let public_key: GenericPublicKey<C> =
                     securemessage::GenericPublicKey::parse_from_bytes(key.as_slice())
@@ -114,29 +141,26 @@ impl WireCompatibilityLayer for HandshakeImplementation {
     }
 }
 
-pub struct Ukey2ServerStage1<C: CryptoProvider, E: ErrorHandler> {
+pub struct Ukey2ServerStage1<C: CryptoProvider> {
     pub(crate) next_protocols: hash_set::HashSet<String>,
     pub(crate) handshake_impl: HandshakeImplementation,
-    pub(crate) error_logger: E,
     _marker: PhantomData<C>,
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> fmt::Debug for Ukey2ServerStage1<C, E> {
+impl<C: CryptoProvider> fmt::Debug for Ukey2ServerStage1<C> {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         write!(f, "Ukey2ServerS1")
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage1<C, E> {
+impl<C: CryptoProvider> Ukey2ServerStage1<C> {
     pub fn from(
         next_protocols: hash_set::HashSet<String>,
         handshake_impl: HandshakeImplementation,
-        error_logger: E,
     ) -> Self {
         Self {
             next_protocols,
             handshake_impl,
-            error_logger,
             _marker: PhantomData,
         }
     }
@@ -146,7 +170,7 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage1<C, E> {
         rng: &mut R,
         client_init: ClientInit,
         client_init_msg_bytes: Vec<u8>,
-    ) -> Result<Ukey2ServerStage2<C, E>, ClientInitError> {
+    ) -> Result<Ukey2ServerStage2<C>, ClientInitError> {
         if client_init.version() != &1 {
             return Err(ClientInitError::BadVersion);
         }
@@ -170,28 +194,40 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage1<C, E> {
             .ok_or(ClientInitError::BadHandshakeCipher)?;
         match *commitment.cipher() {
             // pick in priority order
-            HandshakeCipher::Curve25519Sha512 => Ok(Ukey2ServerStage2::from(
-                client_init_msg_bytes,
-                commitment.clone(),
-                client_init.random(),
-                ServerKeyPair::Curve25519(
-                    <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(rng),
-                ),
-                self.handshake_impl,
-                self.error_logger,
-                next_protocol.to_string(),
-            )),
-            HandshakeCipher::P256Sha512 => Ok(Ukey2ServerStage2::from(
-                client_init_msg_bytes,
-                commitment.clone(),
-                client_init.random(),
-                ServerKeyPair::P256(
-                    <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(rng),
-                ),
-                self.handshake_impl,
-                self.error_logger,
-                next_protocol.to_string(),
-            )),
+            HandshakeCipher::Curve25519Sha512 => {
+                let secret = ServerKeyPair::Curve25519(
+                    <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(&mut
+                        <<<C::X25519 as EcdhProvider<X25519>>::EphemeralSecret as EphemeralSecret<
+                            X25519,
+                        >>::Rng as CryptoRng>::new(),
+                    ),
+                );
+                Ok(Ukey2ServerStage2::from(
+                    &mut *rng,
+                    client_init_msg_bytes,
+                    commitment.clone(),
+                    secret,
+                    self.handshake_impl,
+                    next_protocol.to_string(),
+                ))
+            }
+            HandshakeCipher::P256Sha512 => {
+                let secret = ServerKeyPair::P256(
+                    <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(
+                        &mut<<<C::P256 as EcdhProvider<P256>>::EphemeralSecret as EphemeralSecret<
+                            P256,
+                        >>::Rng as CryptoRng>::new(),
+                    ),
+                );
+                Ok(Ukey2ServerStage2::from(
+                    &mut *rng,
+                    client_init_msg_bytes,
+                    commitment.clone(),
+                    secret,
+                    self.handshake_impl,
+                    next_protocol.to_string(),
+                ))
+            }
         }
     }
 }
@@ -201,18 +237,17 @@ enum ServerKeyPair<C: CryptoProvider> {
     P256(<C::P256 as EcdhProvider<P256>>::EphemeralSecret),
 }
 
-pub struct Ukey2ServerStage2<C: CryptoProvider, E: ErrorHandler> {
+pub struct Ukey2ServerStage2<C: CryptoProvider> {
     client_init_msg: Vec<u8>,
     server_init_msg: Vec<u8>,
     commitment: CipherCommitment,
     key_pair: ServerKeyPair<C>,
     pub(crate) handshake_impl: HandshakeImplementation,
-    pub(crate) error_logger: E,
     next_protocol: String,
     _marker: PhantomData<C>,
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> fmt::Debug for Ukey2ServerStage2<C, E> {
+impl<C: CryptoProvider> fmt::Debug for Ukey2ServerStage2<C> {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         write!(f, "Ukey2ServerS2")
     }
@@ -221,16 +256,16 @@ impl<C: CryptoProvider, E: ErrorHandler> fmt::Debug for Ukey2ServerStage2<C, E>
 const HKDF_SALT_AUTH: &[u8] = b"UKEY2 v1 auth";
 const HKDF_SALT_NEXT: &[u8] = b"UKEY2 v1 next";
 
-impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage2<C, E> {
-    fn from(
+impl<C: CryptoProvider> Ukey2ServerStage2<C> {
+    fn from<R: rand::Rng + rand::CryptoRng>(
+        rng: &mut R,
         client_init_msg: Vec<u8>,
         commitment: CipherCommitment,
-        random: &[u8; 32],
         key_pair: ServerKeyPair<C>,
         handshake_impl: HandshakeImplementation,
-        error_logger: E,
         next_protocol: String,
     ) -> Self {
+        let random: [u8; 32] = rng.gen();
         let mut server_init = ukey::Ukey2ServerInit::default();
         server_init.set_version(1);
         server_init.set_random(random.to_vec());
@@ -248,7 +283,6 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage2<C, E> {
             commitment,
             key_pair,
             handshake_impl,
-            error_logger,
             next_protocol,
             _marker: PhantomData,
         }
@@ -310,6 +344,9 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ServerStage2<C, E> {
     }
 }
 
+/// Representation of the UKEY2 server information after the handshake has been completed. An
+/// instance of this can be created by going through the handshake state machine (starting from
+/// [`Ukey2ServerStage1`]).
 pub struct Ukey2Server {
     completed_handshake: CompletedHandshake,
 }
@@ -326,7 +363,7 @@ impl Ukey2Server {
     }
 }
 
-pub struct Ukey2ClientStage1<C: CryptoProvider, E: ErrorHandler> {
+pub struct Ukey2ClientStage1<C: CryptoProvider> {
     curve25519_secret: <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret,
     p256_secret: <C::P256 as EcdhProvider<P256>>::EphemeralSecret,
     curve25519_client_finished_bytes: Vec<u8>,
@@ -334,69 +371,83 @@ pub struct Ukey2ClientStage1<C: CryptoProvider, E: ErrorHandler> {
     client_init_bytes: Vec<u8>,
     commitment_ciphers: Vec<HandshakeCipher>,
     handshake_impl: HandshakeImplementation,
-    pub(crate) error_logger: E,
     next_protocol: String,
     _marker: PhantomData<C>,
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> fmt::Debug for Ukey2ClientStage1<C, E> {
+impl<C: CryptoProvider> fmt::Debug for Ukey2ClientStage1<C> {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         write!(f, "Ukey2Client1")
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> Ukey2ClientStage1<C, E> {
+impl<C: CryptoProvider> Ukey2ClientStage1<C> {
     pub fn from<R: rand::Rng + rand::SeedableRng + rand::CryptoRng>(
         rng: &mut R,
         next_protocol: String,
         handshake_impl: HandshakeImplementation,
-        error_logger: E,
     ) -> Self {
         let random = rng.gen::<[u8; 32]>().to_vec();
         // Curve25519 ClientFinished Message
         let curve25519_secret =
-            <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(&mut *rng);
+            <C::X25519 as EcdhProvider<X25519>>::EphemeralSecret::generate_random(
+                &mut <<<C::X25519 as EcdhProvider<X25519>>::EphemeralSecret as EphemeralSecret<
+                    X25519,
+                >>::Rng as CryptoRng>::new(),
+            );
         let curve25519_client_finished_bytes = {
-            let mut client_finished = ukey::Ukey2ClientFinished::default();
-            client_finished.set_public_key(curve25519_secret.public_key_bytes());
+            let client_finished = ukey::Ukey2ClientFinished {
+                public_key: Some(curve25519_secret.public_key_bytes()),
+                ..Default::default()
+            };
             client_finished.to_wrapped_msg().write_to_bytes().unwrap()
         };
         let curve25519_client_finished_hash =
             C::Sha512::sha512(&curve25519_client_finished_bytes).to_vec();
 
         // P256 ClientFinished Message
-        let p256_secret =
-            <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(&mut *rng);
+        let p256_secret = <C::P256 as EcdhProvider<P256>>::EphemeralSecret::generate_random(
+                        &mut<<<C::P256 as EcdhProvider<P256>>::EphemeralSecret as EphemeralSecret<
+                            P256,
+                        >>::Rng as CryptoRng>::new(),
+                    );
         let p256_client_finished_bytes = {
-            let mut client_finished = ukey::Ukey2ClientFinished::default();
-            client_finished.set_public_key(
-                handshake_impl
-                    .encode_public_key::<C>(
-                        p256_secret.public_key_bytes(),
-                        HandshakeCipher::P256Sha512,
-                    )
-                    .unwrap(),
-            );
+            let client_finished = ukey::Ukey2ClientFinished {
+                public_key: Some(
+                    handshake_impl
+                        .encode_public_key::<C>(
+                            p256_secret.public_key_bytes(),
+                            HandshakeCipher::P256Sha512,
+                        )
+                        .expect("Output of p256_secret.public_key_bytes should always be valid input for encode_public_key"),
+                ),
+                ..Default::default()
+            };
             client_finished.to_wrapped_msg().write_to_bytes().unwrap()
         };
         let p256_client_finished_hash = C::Sha512::sha512(&p256_client_finished_bytes).to_vec();
 
         // ClientInit Message
         let client_init_bytes = {
-            let mut curve25519_commitment = ukey::Ukey2ClientInit_CipherCommitment::default();
-            curve25519_commitment
-                .set_handshake_cipher(HandshakeCipher::Curve25519Sha512.as_proto());
-            curve25519_commitment.set_commitment(curve25519_client_finished_hash);
-
-            let mut p256_commitment = ukey::Ukey2ClientInit_CipherCommitment::default();
-            p256_commitment.set_handshake_cipher(HandshakeCipher::P256Sha512.as_proto());
-            p256_commitment.set_commitment(p256_client_finished_hash);
-
-            let mut client_init = ukey::Ukey2ClientInit::default();
-            client_init.set_version(1);
-            client_init.set_random(random);
-            client_init.set_cipher_commitments(vec![curve25519_commitment, p256_commitment].into());
-            client_init.set_next_protocol(next_protocol.to_string());
+            let curve25519_commitment = ukey::ukey2client_init::CipherCommitment {
+                handshake_cipher: Some(HandshakeCipher::Curve25519Sha512.as_proto().into()),
+                commitment: Some(curve25519_client_finished_hash),
+                ..Default::default()
+            };
+
+            let p256_commitment = ukey::ukey2client_init::CipherCommitment {
+                handshake_cipher: Some(HandshakeCipher::P256Sha512.as_proto().into()),
+                commitment: Some(p256_client_finished_hash),
+                ..Default::default()
+            };
+
+            let client_init = ukey::Ukey2ClientInit {
+                version: Some(1),
+                random: Some(random),
+                cipher_commitments: vec![curve25519_commitment, p256_commitment],
+                next_protocol: Some(next_protocol.to_string()),
+                ..Default::default()
+            };
             client_init.to_wrapped_msg().write_to_bytes().unwrap()
         };
 
@@ -411,7 +462,6 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ClientStage1<C, E> {
                 HandshakeCipher::P256Sha512,
             ],
             handshake_impl,
-            error_logger,
             next_protocol,
             _marker: PhantomData,
         }
@@ -431,7 +481,6 @@ impl<C: CryptoProvider, E: ErrorHandler> Ukey2ClientStage1<C, E> {
         }
 
         // loop over all commitments every time for a semblance of constant time-ness
-        // TODO better constant time way of doing this?
         let server_cipher = self
             .commitment_ciphers
             .iter()
diff --git a/nearby/connections/ukey2/ukey2/tests/tests.rs b/nearby/connections/ukey2/ukey2/tests/tests.rs
index 6b49b39..a2614a8 100644
--- a/nearby/connections/ukey2/ukey2/tests/tests.rs
+++ b/nearby/connections/ukey2/ukey2/tests/tests.rs
@@ -15,24 +15,20 @@
 use crypto_provider_rustcrypto::RustCrypto;
 use rand::{rngs::StdRng, SeedableRng};
 use std::collections::hash_set;
-use ukey2_rs::{error_handler::NoOpHandler, *};
+use ukey2_rs::*;
 
 #[test]
 fn full_integration_state_machine() {
     let mut next_protocols = hash_set::HashSet::new();
     let next_protocol = "AES_256_CBC-HMAC_SHA256".to_string();
     let _ = next_protocols.insert(next_protocol.clone());
-    let server1 = Ukey2ServerStage1::<RustCrypto, _>::from(
-        next_protocols,
-        HandshakeImplementation::Spec,
-        NoOpHandler::default(),
-    );
+    let server1 =
+        Ukey2ServerStage1::<RustCrypto>::from(next_protocols, HandshakeImplementation::Spec);
     let mut rng = StdRng::from_entropy();
-    let client1 = Ukey2ClientStage1::<RustCrypto, _>::from(
+    let client1 = Ukey2ClientStage1::<RustCrypto>::from(
         &mut rng,
         next_protocol,
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
     );
     let server2 = server1
         .advance_state(&mut rng, client1.client_init_msg())
@@ -69,21 +65,19 @@ fn full_integration_state_machine() {
 }
 
 #[test]
-fn full_integration_state_machine_weird() {
+fn full_integration_state_machine_public_key_in_protobuf() {
     let mut next_protocols = hash_set::HashSet::new();
     let next_protocol = "AES_256_CBC-HMAC_SHA256".to_string();
     let _ = next_protocols.insert(next_protocol.clone());
-    let server1 = Ukey2ServerStage1::<RustCrypto, _>::from(
+    let server1 = Ukey2ServerStage1::<RustCrypto>::from(
         next_protocols,
-        HandshakeImplementation::Weird,
-        NoOpHandler::default(),
+        HandshakeImplementation::PublicKeyInProtobuf,
     );
     let mut rng = StdRng::from_entropy();
-    let client1 = Ukey2ClientStage1::<RustCrypto, _>::from(
+    let client1 = Ukey2ClientStage1::<RustCrypto>::from(
         &mut rng,
         next_protocol,
-        HandshakeImplementation::Weird,
-        NoOpHandler::default(),
+        HandshakeImplementation::PublicKeyInProtobuf,
     );
     let server2 = server1
         .advance_state(&mut rng, client1.client_init_msg())
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/Cargo.toml b/nearby/connections/ukey2/ukey2_c_ffi/Cargo.toml
index 3bb3df9..ec58e9a 100644
--- a/nearby/connections/ukey2/ukey2_c_ffi/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2_c_ffi/Cargo.toml
@@ -12,9 +12,10 @@ crypto_provider_openssl = { workspace = true, optional = true }
 crypto_provider_rustcrypto = { workspace = true, optional = true, features = ["alloc"] }
 
 lazy_static.workspace = true
+log.workspace = true
 rand.workspace = true
 rand_chacha.workspace = true
-spin = "0.9.4"
+spin.workspace = true
 
 [features]
 default = ["rustcrypto"]
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/cpp/Makefile b/nearby/connections/ukey2/ukey2_c_ffi/cpp/Makefile
index ef3fdcc..b5fd106 100644
--- a/nearby/connections/ukey2/ukey2_c_ffi/cpp/Makefile
+++ b/nearby/connections/ukey2/ukey2_c_ffi/cpp/Makefile
@@ -1,4 +1,18 @@
-C_SRCS := ukey2.cc
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+C_SRCS := ukey2_glue.cc
 CC = clang++
 UNAME := $(shell uname -s)
 ifeq ($(UNAME),Darwin)
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2.cc b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2.cc
deleted file mode 100644
index 9710c09..0000000
--- a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2.cc
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2023 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "ukey2.h"
-
-#include <cstring>
-#include <iostream>
-#include <string>
-
-CFFIByteArray messageToByteArray(const std::string message) {
-    return {
-        .handle = (uint8_t*) (new std::string(message))->c_str(),
-        .len = message.length(),
-    };
-}
-
-CFFIByteArray nullByteArray() {
-    return {
-        .handle = nullptr,
-        .len = 0,
-    };
-}
-
-int main() {
-    Ukey2HandshakeContextHandle responder_handle = responder_new();
-    Ukey2HandshakeContextHandle initiator_handle = initiator_new();
-    printf("Created handshakes");
-    // Run the handshake
-    RustFFIByteArray handshake_msg = get_next_handshake_message(initiator_handle);
-    parse_handshake_message(responder_handle, handshake_msg);
-    printf("parsed clientinit\n");
-    parse_handshake_message(initiator_handle, get_next_handshake_message(responder_handle));
-    printf("parsed serverinit\n");
-    parse_handshake_message(responder_handle, get_next_handshake_message(initiator_handle));
-    printf("parsed clientfinish\n");
-    // Print verification strings
-    RustFFIByteArray init_verif_str = get_verification_string(initiator_handle, 16);
-    auto init_verif_ccstr = std::string((const char*) init_verif_str.handle, init_verif_str.len);
-    std::cout << init_verif_ccstr << std::endl;
-    RustFFIByteArray serv_verif_str = get_verification_string(responder_handle, 16);
-    auto serv_verif_ccstr = std::string((const char*) serv_verif_str.handle, serv_verif_str.len);
-    std::cout << serv_verif_ccstr << std::endl;
-    std::cout << "Verification strings equality: " << ((init_verif_ccstr == serv_verif_ccstr) ? "true" : "false") << std::endl;
-    // Create connection contexts.
-    Ukey2ConnectionContextHandle responder_connection = to_connection_context(responder_handle);
-    Ukey2HandshakeContextHandle initiator_connection = to_connection_context(initiator_handle);
-    RustFFIByteArray encoded = encode_message_to_peer(responder_connection, messageToByteArray("hello world"), nullByteArray());
-    RustFFIByteArray decoded = decode_message_from_peer(initiator_connection, encoded, nullByteArray());
-    std::cout << std::string((const char*) decoded.handle, decoded.len) << std::endl;
-    // clean up
-    rust_dealloc_ffi_byte_array(encoded);
-    rust_dealloc_ffi_byte_array(decoded);
-}
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2.h b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_bindings.h
index 002bff1..a0cb87f 100644
--- a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2.h
+++ b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_bindings.h
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -24,10 +24,7 @@ extern "C" {
 
 typedef uint64_t Ukey2HandshakeContextHandle;
 typedef uint64_t Ukey2ConnectionContextHandle;
-
-typedef struct {
-  uint8_t bytes[32];
-} Aes256Key;
+typedef uint8_t Aes256Key[32];
 
 typedef struct {
   uint8_t* handle;
@@ -46,7 +43,7 @@ typedef enum {
 } CD2DRestoreConnectionContextV1Status;
 
 typedef struct {
-  Ukey2ConnectionContextHandle result;
+  Ukey2ConnectionContextHandle handle;
   CD2DRestoreConnectionContextV1Status status;
 } CD2DRestoreConnectionContextV1Result;
 
@@ -63,18 +60,18 @@ void rust_dealloc_ffi_byte_array(RustFFIByteArray array);
 bool is_handshake_complete(Ukey2HandshakeContextHandle handle);
 RustFFIByteArray get_next_handshake_message(Ukey2HandshakeContextHandle handle);
 bool can_send_payload_in_handshake_message(Ukey2HandshakeContextHandle handle);
-RustFFIByteArray parse_handshake_message(Ukey2HandshakeContextHandle handle, RustFFIByteArray message);
+RustFFIByteArray parse_handshake_message(Ukey2HandshakeContextHandle handle, CFFIByteArray message);
 Ukey2ConnectionContextHandle to_connection_context(Ukey2HandshakeContextHandle handle);
 RustFFIByteArray get_verification_string(Ukey2HandshakeContextHandle handle, size_t output_length);
 
 // D2DConnectionContextV1 methods
 RustFFIByteArray encode_message_to_peer(Ukey2ConnectionContextHandle handle, CFFIByteArray message, CFFIByteArray associated_data);
-RustFFIByteArray decode_message_from_peer(Ukey2ConnectionContextHandle handle, RustFFIByteArray message, CFFIByteArray associated_data);
+RustFFIByteArray decode_message_from_peer(Ukey2ConnectionContextHandle handle, CFFIByteArray message, CFFIByteArray associated_data);
 RustFFIByteArray get_session_unique(Ukey2ConnectionContextHandle handle);
 int get_sequence_number_for_encoding(Ukey2ConnectionContextHandle handle);
 int get_sequence_number_for_decoding(Ukey2ConnectionContextHandle handle);
 RustFFIByteArray save_session(Ukey2ConnectionContextHandle handle);
-CD2DRestoreConnectionContextV1Status from_saved_session(uint8_t* ptr, size_t len);
+CD2DRestoreConnectionContextV1Result from_saved_session(CFFIByteArray data);
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_ffi.h b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_ffi.h
new file mode 100644
index 0000000..e96ae1c
--- /dev/null
+++ b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_ffi.h
@@ -0,0 +1,86 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "ukey2_bindings.h"
+#include <string>
+
+struct D2DRestoreConnectionContextV1Result;
+
+// The Connection object that can handle encryption/decryption of messages over the wire.
+// This object should only be constructed via FromSavedSession() or Ukey2Handshake::ToConnectionContext().
+class D2DConnectionContextV1 {
+    public:
+        // Encodes a message to the connection peer using the derived key from the handshake
+        // If associated_data is not empty, it will be used to compute the signature and the same
+        // associated_data string must be passed into DecodeMessageFromPeer() in order for the
+        // message to be validated.
+        std::string EncodeMessageToPeer(std::string message, std::string associated_data);
+        // Decodes a message from the connection peer. If associated_data was passed into
+        // EncodeMessageToPeer(), that same associated_data must be passed here in order for
+        // this function to succeed.
+        std::string DecodeMessageFromPeer(std::string message, std::string associated_data);
+        // Gets a session-specific unique identifier.
+        std::string GetSessionUnique();
+        // Gets the encoding sequence number.
+        int GetSequenceNumberForEncoding();
+        // Gets the decoding sequence number.
+        int GetSequenceNumberForDecoding();
+        // Returns byte data suitable for use with FromSavedSession().
+        std::string SaveSession();
+        // Recreates the state of a previous D2DConnectionContextV1 using the data from SaveSession().
+        // This function will return an error if the byte pattern is not as expected.
+        // Expected format:
+        // -------------------------------------------------------------------------------------------
+        // |     1 byte      |       4 bytes       |         4 bytes        |  32 bytes |  32 bytes  |
+        // -------------------------------------------------------------------------------------------
+        //  Protocol version | Encode sequence number | Decode sequence number | Encode key | Decode key
+        //    (always 1)
+        static D2DRestoreConnectionContextV1Result FromSavedSession(std::string saved_session);
+
+    private:
+        friend class Ukey2Handshake;
+        D2DConnectionContextV1(Ukey2ConnectionContextHandle handle) : handle_(handle) {};
+        const Ukey2ConnectionContextHandle handle_;
+};
+
+struct D2DRestoreConnectionContextV1Result {
+    D2DConnectionContextV1 handle;
+    CD2DRestoreConnectionContextV1Status status;
+};
+
+// Base handshake. This should be used to start a secure channel represented by a D2DConnectionContextV1.
+class Ukey2Handshake {
+    public:
+        // Creates a Ukey2Handshake instance for the responder.
+        static Ukey2Handshake ForResponder();
+        // Creates a Ukey2Handshake instance for the initiator.
+        static Ukey2Handshake ForInitiator();
+        // Returns true if the handshake is complete, false otherwise.
+        bool IsHandshakeComplete();
+        // Return if the handshake message can carry a payload.
+        bool CanSendPayloadInHandshakeMessage();
+        // Returns raw byte data with the message to send over the wire.
+        std::string GetNextHandshakeMessage();
+        // Parses the raw handshake message received over the wire.
+        std::string ParseHandshakeMessage(std::string message);
+        // Returns the authentication string of length output_length to be confirmed on both devices.
+        std::string GetVerificationString(size_t output_length);
+        // Turns this Ukey2Handshake instance into a D2DConnectionContextV1. This method once called,
+        // renders the Ukey2Handshake object unusable.
+        D2DConnectionContextV1 ToConnectionContext();
+
+    private:
+        Ukey2Handshake(Ukey2HandshakeContextHandle handle) : handle_(handle) {};
+        const Ukey2HandshakeContextHandle handle_;
+};
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_glue.cc b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_glue.cc
new file mode 100644
index 0000000..e013b2a
--- /dev/null
+++ b/nearby/connections/ukey2/ukey2_c_ffi/cpp/ukey2_glue.cc
@@ -0,0 +1,121 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "ukey2_bindings.h"
+#include "ukey2_ffi.h"
+
+#include <cstring>
+#include <iostream>
+#include <string>
+
+CFFIByteArray messageToByteArray(const std::string message) {
+    return {
+        .handle = (uint8_t*) (new std::string(message))->c_str(),
+        .len = message.length(),
+    };
+}
+
+CFFIByteArray nullByteArray() {
+    return {
+        .handle = nullptr,
+        .len = 0,
+    };
+}
+
+// Implementation of functions
+Ukey2Handshake Ukey2Handshake::ForInitiator() {
+    return Ukey2Handshake(initiator_new());
+}
+
+Ukey2Handshake Ukey2Handshake::ForResponder() {
+    return Ukey2Handshake(responder_new());
+}
+
+bool Ukey2Handshake::IsHandshakeComplete() {
+    return is_handshake_complete(handle_);
+}
+
+bool Ukey2Handshake::CanSendPayloadInHandshakeMessage() {
+    return can_send_payload_in_handshake_message(handle_);
+}
+
+std::string Ukey2Handshake::GetNextHandshakeMessage() {
+    RustFFIByteArray array = get_next_handshake_message(handle_);
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+std::string Ukey2Handshake::ParseHandshakeMessage(std::string message) {
+    RustFFIByteArray array = parse_handshake_message(handle_, messageToByteArray(message));
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+std::string Ukey2Handshake::GetVerificationString(size_t output_length) {
+    RustFFIByteArray array = get_verification_string(handle_, output_length);
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+D2DConnectionContextV1 Ukey2Handshake::ToConnectionContext() {
+    assert(IsHandshakeComplete());
+    return D2DConnectionContextV1(to_connection_context(handle_));
+}
+
+std::string D2DConnectionContextV1::DecodeMessageFromPeer(std::string message, std::string associated_data) {
+    RustFFIByteArray array = decode_message_from_peer(handle_, messageToByteArray(message), messageToByteArray(associated_data));
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+std::string D2DConnectionContextV1::EncodeMessageToPeer(std::string message, std::string associated_data) {
+    RustFFIByteArray array = encode_message_to_peer(handle_, messageToByteArray(message), messageToByteArray(associated_data));
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+std::string D2DConnectionContextV1::GetSessionUnique() {
+    RustFFIByteArray array = get_session_unique(handle_);
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+int D2DConnectionContextV1::GetSequenceNumberForEncoding() {
+    return get_sequence_number_for_encoding(handle_);
+}
+
+int D2DConnectionContextV1::GetSequenceNumberForDecoding() {
+    return get_sequence_number_for_decoding(handle_);
+}
+
+std::string D2DConnectionContextV1::SaveSession() {
+    RustFFIByteArray array = save_session(handle_);
+    std::string ret = std::string((const char*) array.handle, array.len);
+    rust_dealloc_ffi_byte_array(array);
+    return ret;
+}
+
+D2DRestoreConnectionContextV1Result D2DConnectionContextV1::FromSavedSession(std::string data) {
+    auto result = from_saved_session(messageToByteArray(data));
+    return {
+        D2DConnectionContextV1(result.handle),
+        result.status,
+    };
+}
diff --git a/nearby/connections/ukey2/ukey2_c_ffi/src/lib.rs b/nearby/connections/ukey2/ukey2_c_ffi/src/lib.rs
index 8b0d59e..68d42c9 100644
--- a/nearby/connections/ukey2/ukey2_c_ffi/src/lib.rs
+++ b/nearby/connections/ukey2/ukey2_c_ffi/src/lib.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use std::collections::HashMap;
-use std::ffi::{c_void, CString};
+use std::ffi::CString;
 use std::ptr::null_mut;
 
 use lazy_static::lazy_static;
@@ -26,7 +26,6 @@ use ukey2_connections::{
     D2DConnectionContextV1, D2DHandshakeContext, HandshakeImplementation,
     InitiatorD2DHandshakeContext, ServerD2DHandshakeContext,
 };
-use ukey2_rs::error_handler::NoOpHandler;
 
 cfg_if::cfg_if! {
     if #[cfg(feature = "rustcrypto")] {
@@ -47,15 +46,6 @@ pub struct CFFIByteArray {
     len: usize,
 }
 
-/// Constructs a `Box<T>`, leaks a pointer to it, and converts the pointer to `*mut c_void`.
-fn box_to_handle<T>(thing: T) -> *mut c_void {
-    // Box::new heap allocates space for the thing
-    // Box::into_raw intentionally leaks into an aligned, non-null pointer
-    let pointer = Box::into_raw(Box::new(thing));
-    // Infallible conversion to `*mut c_void`
-    pointer as *mut c_void
-}
-
 type D2DBox = Box<dyn D2DHandshakeContext>;
 type ConnectionBox = Box<D2DConnectionContextV1>;
 
@@ -109,45 +99,45 @@ pub extern "C" fn is_handshake_complete(handle: u64) -> bool {
 #[no_mangle]
 pub extern "C" fn get_next_handshake_message(handle: u64) -> RustFFIByteArray {
     // TODO: error handling
-    let msg = HANDLE_MAPPING
+    let opt_msg = HANDLE_MAPPING
         .lock()
         .get(&handle)
-        .unwrap()
-        .get_next_handshake_message()
-        .unwrap();
-    let ret_len = msg.len();
-    let data: CString = unsafe { CString::from_vec_unchecked(msg) };
-    RustFFIByteArray {
-        ptr: data.into_raw() as *mut u8,
-        len: ret_len,
+        .and_then(|c| c.get_next_handshake_message());
+    if let Some(msg) = opt_msg {
+        let ret_len = msg.len();
+        let data: CString = unsafe { CString::from_vec_unchecked(msg) };
+        RustFFIByteArray {
+            ptr: data.into_raw() as *mut u8,
+            len: ret_len,
+        }
+    } else {
+        RustFFIByteArray {
+            ptr: null_mut(),
+            len: usize::MAX,
+        }
     }
 }
 
-#[no_mangle]
-pub extern "C" fn can_send_payload_in_handshake_message(handle: u64) -> bool {
-    HANDLE_MAPPING
-        .lock()
-        .get(&handle)
-        .map_or(false, |ctx| ctx.can_send_payload_in_handshake_message())
-}
-
 /// # Safety
 /// We treat msg as data, so we should never have an issue trying to execute it.
 #[no_mangle]
 pub unsafe extern "C" fn parse_handshake_message(
     handle: u64,
-    arr: RustFFIByteArray,
+    arr: CFFIByteArray,
 ) -> RustFFIByteArray {
     let msg = Vec::<u8>::from_raw_parts(arr.ptr, arr.len, arr.len);
     // TODO error handling
-    let _ = HANDLE_MAPPING
+    let result = HANDLE_MAPPING
         .lock()
         .get_mut(&handle)
         .unwrap()
         .handle_handshake_message(msg.as_slice());
+    if let Err(error) = result {
+        log::error!("{:?}", error);
+    }
     RustFFIByteArray {
         ptr: null_mut(),
-        len: 0,
+        len: usize::MAX,
     }
 }
 
@@ -190,9 +180,8 @@ pub extern "C" fn to_connection_context(handle: u64) -> u64 {
 // Responder-specific functions
 #[no_mangle]
 pub extern "C" fn responder_new() -> u64 {
-    let ctx = Box::new(ServerD2DHandshakeContext::<CryptoProvider, _>::new(
-        HandshakeImplementation::Weird,
-        NoOpHandler::default(),
+    let ctx = Box::new(ServerD2DHandshakeContext::<CryptoProvider>::new(
+        HandshakeImplementation::PublicKeyInProtobuf,
     ));
     insert_gen_handle(ctx)
 }
@@ -203,9 +192,8 @@ pub extern "C" fn responder_new() -> u64 {
 /// We treat next_protocol as data, not as executable memory.
 #[no_mangle]
 pub extern "C" fn initiator_new() -> u64 {
-    let ctx = Box::new(InitiatorD2DHandshakeContext::<CryptoProvider, _>::new(
-        HandshakeImplementation::Weird,
-        NoOpHandler::default(),
+    let ctx = Box::new(InitiatorD2DHandshakeContext::<CryptoProvider>::new(
+        HandshakeImplementation::PublicKeyInProtobuf,
     ));
     insert_gen_handle(ctx)
 }
@@ -224,7 +212,7 @@ pub unsafe extern "C" fn encode_message_to_peer(
     if msg.len == 0 {
         return RustFFIByteArray {
             ptr: null_mut(),
-            len: 0,
+            len: usize::MAX,
         };
     }
     let msg = std::slice::from_raw_parts(msg.ptr, msg.len);
@@ -239,12 +227,19 @@ pub unsafe extern "C" fn encode_message_to_peer(
     let ret = CONNECTION_HANDLE_MAPPING
         .lock()
         .get_mut(&handle)
-        .unwrap()
-        .encode_message_to_peer::<CryptoProvider, _>(msg, associated_data);
-    let len = ret.len();
-    RustFFIByteArray {
-        ptr: ret.leak().as_mut_ptr(),
-        len,
+        .map(|c| c.encode_message_to_peer::<CryptoProvider, _>(msg, associated_data));
+    if let Some(msg) = ret {
+        let len = msg.len();
+        RustFFIByteArray {
+            ptr: msg.leak().as_mut_ptr(),
+            len,
+        }
+    } else {
+        log::error!("Was unable to find handle!");
+        RustFFIByteArray {
+            ptr: null_mut(),
+            len: usize::MAX,
+        }
     }
 }
 
@@ -259,7 +254,7 @@ pub unsafe extern "C" fn decode_message_from_peer(
     if msg.len == 0 {
         return RustFFIByteArray {
             ptr: null_mut(),
-            len: 0,
+            len: usize::MAX,
         };
     }
     let msg = std::slice::from_raw_parts(msg.ptr, msg.len);
@@ -285,7 +280,7 @@ pub unsafe extern "C" fn decode_message_from_peer(
     } else {
         RustFFIByteArray {
             ptr: null_mut(),
-            len: 0,
+            len: usize::MAX,
         }
     }
 }
@@ -297,11 +292,9 @@ pub extern "C" fn get_session_unique(handle: u64) -> RustFFIByteArray {
         .get(&handle)
         .unwrap()
         .get_session_unique::<CryptoProvider>();
-    let boxed = session_unique_bytes.into_boxed_slice();
-    let handle_size = boxed.len();
-    let handle = box_to_handle(boxed);
+    let handle_size = session_unique_bytes.len();
     RustFFIByteArray {
-        ptr: handle as *mut u8,
+        ptr: session_unique_bytes.leak().as_mut_ptr(),
         len: handle_size,
     }
 }
@@ -331,25 +324,23 @@ pub extern "C" fn save_session(handle: u64) -> RustFFIByteArray {
         .get(&handle)
         .unwrap()
         .save_session();
-    let boxed = key.into_boxed_slice();
-    let handle_size = boxed.len();
-    let handle = box_to_handle(boxed);
+    let handle_size = key.len();
     RustFFIByteArray {
-        ptr: handle as *mut u8,
+        ptr: key.leak().as_mut_ptr(),
         len: handle_size,
     }
 }
 
-#[repr(C)]
+#[repr(i32)]
 #[derive(Debug)]
 pub enum Status {
-    Error,
     Good,
+    Error,
 }
 
 #[repr(C)]
 pub struct CD2DRestoreConnectionContextV1Result {
-    result: u64,
+    handle: u64,
     status: Status,
 }
 
@@ -357,20 +348,23 @@ pub struct CD2DRestoreConnectionContextV1Result {
 /// We error out if the length is incorrect (too large or too small) for restoring a session.
 #[no_mangle]
 pub unsafe extern "C" fn from_saved_session(
-    ptr: *mut u8,
-    len: usize,
+    arr: CFFIByteArray,
 ) -> CD2DRestoreConnectionContextV1Result {
-    let saved_session = std::slice::from_raw_parts(ptr, len);
-    let ctx = D2DConnectionContextV1::from_saved_session(saved_session);
+    let saved_session = std::slice::from_raw_parts(arr.ptr, arr.len);
+    let ctx = D2DConnectionContextV1::from_saved_session::<CryptoProvider>(saved_session);
     if let Ok(conn_ctx) = ctx {
         let final_ctx = Box::new(conn_ctx);
         CD2DRestoreConnectionContextV1Result {
-            result: insert_conn_gen_handle(final_ctx),
+            handle: insert_conn_gen_handle(final_ctx),
             status: Status::Good,
         }
     } else {
+        log::error!(
+            "failed to restore session with error {:?}",
+            ctx.unwrap_err()
+        );
         CD2DRestoreConnectionContextV1Result {
-            result: 0,
+            handle: u64::MAX,
             status: Status::Error,
         }
     }
diff --git a/nearby/connections/ukey2/ukey2_connections/Cargo.toml b/nearby/connections/ukey2/ukey2_connections/Cargo.toml
index 8d283d6..dff7f06 100644
--- a/nearby/connections/ukey2/ukey2_connections/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2_connections/Cargo.toml
@@ -10,10 +10,11 @@ ukey2_rs = { path = "../ukey2" }
 crypto_provider.workspace = true
 rand = { workspace = true, features = ["std", "std_rng"] }
 ukey2_proto.workspace = true
+nom = { version = "7.1.1", features = ["alloc"] }
 
 bytes = "1.2.1"
 
 [dev-dependencies]
 crypto_provider_openssl.workspace = true
-crypto_provider_rustcrypto = { workspace = true, features = ["alloc"] }
+crypto_provider_rustcrypto = { workspace = true, features = ["alloc", "std"] }
 rstest = "0.16.0"
diff --git a/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.lock b/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.lock
index 9cba394..8f42dbe 100644
--- a/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.lock
+++ b/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.lock
@@ -3,6 +3,17 @@
 version = 3
 
 [[package]]
+name = "aead"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c192eb8f11fc081b0fe4259ba5af04217d4e0faddd02417310a927911abd7c8"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -14,10 +25,40 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "aho-corasick"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
+
+[[package]]
 name = "arbitrary"
-version = "1.2.3"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e90af4de65aa7b293ef2d09daff88501eb254f58edde2e1ac02c82d873eadad"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -30,9 +71,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base16ct"
-version = "0.1.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
 name = "bitflags"
@@ -42,18 +83,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block-buffer"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
@@ -68,12 +100,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
-[[package]]
 name = "bytes"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -105,9 +131,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -115,9 +141,9 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
@@ -130,12 +156,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.4.9"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
+checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -147,6 +173,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
@@ -154,25 +181,29 @@ dependencies = [
 name = "crypto_provider"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "bytes",
 ]
 
 [[package]]
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
  "ctr",
  "ed25519-dalek",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
@@ -188,24 +219,26 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
- "zeroize",
 ]
 
 [[package]]
 name = "der"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
 dependencies = [
  "const-oid",
+ "zeroize",
 ]
 
 [[package]]
@@ -216,27 +249,18 @@ checksum = "0c5905670fd9c320154f3a4a01c9e609733cd7b753f3c58777ab7d5ce26686b3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.2.3"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8beee4701e2e229e8098bbdecdca12449bc3e322f137d269182fa1291e20bd00"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
-]
-
-[[package]]
-name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -245,32 +269,30 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
- "serde",
- "sha2 0.9.9",
- "zeroize",
+ "rand_core",
+ "sha2",
 ]
 
 [[package]]
@@ -281,44 +303,70 @@ checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "elliptic-curve"
-version = "0.12.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
+checksum = "6ea5a92946e8614bb585254898bb7dd1ddad241ace60c52149e3765e34cc039d"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "digest",
  "ff",
  "generic-array",
  "group",
  "hkdf",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
 ]
 
 [[package]]
+name = "errno"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
 name = "fastrand"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a407cfaa3385c4ae6b23e84623d48c2798d06e3e6a1878f7f59f17b3f86499"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
 dependencies = [
  "instant",
 ]
 
 [[package]]
 name = "ff"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "generic-array"
 version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -326,17 +374,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "zeroize",
 ]
 
 [[package]]
@@ -347,21 +385,33 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "group"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
+[[package]]
+name = "hermit-abi"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
+
+[[package]]
 name = "hkdf"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -376,7 +426,17 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown",
 ]
 
 [[package]]
@@ -399,19 +459,30 @@ dependencies = [
 ]
 
 [[package]]
+name = "io-lifetimes"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09270fd4fa1111bc614ed2246c7ef56239a3063d5be0d1ec3b589c505d400aeb"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
 name = "jobserver"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -425,6 +496,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
+
+[[package]]
 name = "log"
 version = "0.4.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -434,6 +517,28 @@ dependencies = [
 ]
 
 [[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
+[[package]]
 name = "num-bigint"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -465,9 +570,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "opaque-debug"
@@ -477,15 +582,43 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49c124b3cbce43bcbac68c58ec181d98ed6cc7e6d0aa7c3ba97b2563410b0e55"
+checksum = "7270da3e5caa82afd3deb054cc237905853813aea3859544bc082c3fe55b8d47"
 dependencies = [
  "elliptic-curve",
  "primeorder",
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -493,100 +626,91 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "primeorder"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54f7131b3dba65a2f414cf5bd25b66d4682e4608610668eae785750ba4c5b2"
+checksum = "7613fdcc0831c10060fa69833ea8fa2caa94b6456f51e25356a885b530a2e3d0"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.51"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
+checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "protobuf"
-version = "2.28.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
+checksum = "b55bad9126f378a853655831eb7363b7b01b81d19f8cb1218861086ca4a1a61e"
+dependencies = [
+ "once_cell",
+ "protobuf-support",
+ "thiserror",
+]
 
 [[package]]
 name = "protobuf-codegen"
-version = "2.28.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "033460afb75cf755fcfc16dfaed20b86468082a2ea24e05ac35ab4a099a017d6"
+checksum = "0dd418ac3c91caa4032d37cb80ff0d44e2ebe637b2fb243b6234bf89cdac4901"
 dependencies = [
+ "anyhow",
+ "once_cell",
  "protobuf",
+ "protobuf-parse",
+ "regex",
+ "tempfile",
+ "thiserror",
 ]
 
 [[package]]
-name = "protoc"
-version = "2.28.0"
+name = "protobuf-parse"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0218039c514f9e14a5060742ecd50427f8ac4f85a6dc58f2ddb806e318c55ee"
+checksum = "9d39b14605eaa1f6a340aec7f320b34064feb26c93aec35d6a9a2272a8ddfa49"
 dependencies = [
+ "anyhow",
+ "indexmap",
  "log",
+ "protobuf",
+ "protobuf-support",
+ "tempfile",
+ "thiserror",
  "which",
 ]
 
 [[package]]
-name = "protoc-rust"
-version = "2.28.0"
+name = "protobuf-support"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22f8a182bb17c485f20bdc4274a8c39000a61024cfe461c799b50fec77267838"
+checksum = "a5d4d7b8601c814cfb36bcebb79f0e61e45e1e93640cf778837833bbed05c372"
 dependencies = [
- "protobuf",
- "protobuf-codegen",
- "protoc",
- "tempfile",
+ "thiserror",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -596,16 +720,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -614,49 +729,54 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
+ "getrandom",
 ]
 
 [[package]]
-name = "rand_core_05_adapter"
-version = "0.1.0"
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "rand 0.8.5",
- "rand_core 0.5.1",
+ "bitflags",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.2.0"
+name = "regex"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
- "rand_core 0.5.1",
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
 ]
 
 [[package]]
-name = "redox_syscall"
-version = "0.2.16"
+name = "regex-syntax"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
-dependencies = [
- "bitflags",
-]
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
-name = "remove_dir_all"
-version = "0.5.3"
+name = "rustix"
+version = "0.36.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+checksum = "db4165c9963ab29e422d6c26fbc1d37f15bace6b2810221f9d925023480fcf0e"
 dependencies = [
- "winapi",
+ "bitflags",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
 name = "sec1"
-version = "0.3.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
 dependencies = [
  "base16ct",
  "der",
@@ -666,25 +786,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.152"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
-
-[[package]]
-name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
-[[package]]
 name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -692,14 +793,14 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "subtle"
@@ -709,9 +810,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -719,29 +820,47 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
+name = "syn"
+version = "2.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "tempfile"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
+checksum = "af18f7ae1acd354b992402e9ec5864359d693cd8a79dcbef59f76891701c1e95"
 dependencies = [
  "cfg-if",
  "fastrand",
- "libc",
  "redox_syscall",
- "remove_dir_all",
- "winapi",
+ "rustix",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.13",
 ]
 
 [[package]]
@@ -756,7 +875,8 @@ version = "0.1.0"
 dependencies = [
  "bytes",
  "crypto_provider",
- "rand 0.8.5",
+ "nom",
+ "rand",
  "ukey2_proto",
  "ukey2_rs",
 ]
@@ -768,7 +888,7 @@ dependencies = [
  "arbitrary",
  "crypto_provider_rustcrypto",
  "libfuzzer-sys",
- "rand_chacha 0.3.1",
+ "rand_chacha",
  "ukey2_connections",
  "ukey2_rs",
 ]
@@ -778,7 +898,7 @@ name = "ukey2_proto"
 version = "0.1.0"
 dependencies = [
  "protobuf",
- "protoc-rust",
+ "protobuf-codegen",
 ]
 
 [[package]]
@@ -787,22 +907,27 @@ version = "0.1.0"
 dependencies = [
  "crypto_provider",
  "derive-getters",
+ "log",
  "num-bigint",
- "rand 0.8.5",
+ "rand",
  "ukey2_proto",
 ]
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "version_check"
@@ -812,12 +937,6 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
@@ -856,33 +975,98 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
-name = "x25519-dalek"
-version = "2.0.0-pre.1"
+name = "windows-sys"
+version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
- "curve25519-dalek",
- "rand_core 0.6.4",
- "zeroize",
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
 ]
 
 [[package]]
-name = "zeroize"
-version = "1.5.7"
+name = "windows-sys"
+version = "0.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
 dependencies = [
- "zeroize_derive",
+ "windows-targets",
 ]
 
 [[package]]
-name = "zeroize_derive"
-version = "1.3.3"
+name = "windows-targets"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
 ]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
+[[package]]
+name = "x25519-dalek"
+version = "2.0.0-rc.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
+dependencies = [
+ "curve25519-dalek",
+ "rand_core",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
diff --git a/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.toml b/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.toml
index 41a062e..b8a1295 100644
--- a/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2_connections/fuzz/Cargo.toml
@@ -35,3 +35,9 @@ name = "fuzz_handshake"
 path = "fuzz_targets/fuzz_handshake.rs"
 test = false
 doc = false
+
+[[bin]]
+name = "fuzz_from_saved_session"
+path = "fuzz_targets/fuzz_from_saved_session.rs"
+test = false
+doc = false
diff --git a/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_connection.rs b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_connection.rs
index 33560db..1db7e63 100644
--- a/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_connection.rs
+++ b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_connection.rs
@@ -13,7 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-
 use arbitrary::Arbitrary;
 use crypto_provider_rustcrypto::RustCrypto;
 use libfuzzer_sys::fuzz_target;
@@ -22,13 +21,13 @@ use ukey2_connections::HandshakeImplementation;
 use ukey2_connections::{
     D2DHandshakeContext, InitiatorD2DHandshakeContext, ServerD2DHandshakeContext,
 };
-use ukey2_rs::error_handler::NoOpHandler;
 
 #[derive(Debug, Arbitrary)]
 enum Type {
     SentByInitiator,
     SentByServer,
-    // TODO(b/268136986): Add arbitrary injected ciphertext once b/268136986 is fixed.
+    ReceivedByInitiator,
+    ReceivedByServer,
 }
 
 #[derive(Debug, Arbitrary)]
@@ -46,14 +45,12 @@ struct FuzzInput<'a> {
 }
 
 fuzz_target!(|input: FuzzInput| {
-    let mut initiator_ctx = InitiatorD2DHandshakeContext::<RustCrypto, _, _>::new_impl(
+    let mut initiator_ctx = InitiatorD2DHandshakeContext::<RustCrypto, _>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         rand_chacha::ChaChaRng::from_seed(input.client_rng_seed),
     );
-    let mut server_ctx = ServerD2DHandshakeContext::<RustCrypto, _, _>::new_impl(
+    let mut server_ctx = ServerD2DHandshakeContext::<RustCrypto, _>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         rand_chacha::ChaChaRng::from_seed(input.server_rng_seed),
     );
     let client_init = initiator_ctx
@@ -107,6 +104,16 @@ fuzz_target!(|input: FuzzInput| {
                     .unwrap();
                 assert_eq!(decoded, payload);
             }
+            Type::ReceivedByInitiator => {
+                // Both Ok and Err results are possible here since the input is Arbitrary payload
+                let _unused_result = initiator_connection
+                    .decode_message_from_peer::<RustCrypto, _>(&payload, associated_data);
+            }
+            Type::ReceivedByServer => {
+                // Both Ok and Err results are possible here since the input is Arbitrary payload
+                let _unused_result = server_connection
+                    .decode_message_from_peer::<RustCrypto, _>(&payload, associated_data);
+            }
         }
     }
 });
diff --git a/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_from_saved_session.rs b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_from_saved_session.rs
new file mode 100644
index 0000000..c2cd385
--- /dev/null
+++ b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_from_saved_session.rs
@@ -0,0 +1,29 @@
+#![no_main]
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use libfuzzer_sys::fuzz_target;
+use ukey2_connections::{D2DConnectionContextV1, DeserializeError};
+use crypto_provider_rustcrypto::RustCrypto;
+
+const PROTOCOL_VERSION: u8 = 1;
+
+fuzz_target!(|input: [u8; 73]| {
+    let result = D2DConnectionContextV1::from_saved_session::<RustCrypto>(&input);
+    if input[0] != PROTOCOL_VERSION {
+        assert_eq!(result.unwrap_err(), DeserializeError::BadProtocolVersion);
+    } else {
+        assert!(result.is_ok());
+    }
+});
diff --git a/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_handshake.rs b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_handshake.rs
index 166e978..3007c9a 100644
--- a/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_handshake.rs
+++ b/nearby/connections/ukey2/ukey2_connections/fuzz/fuzz_targets/fuzz_handshake.rs
@@ -13,7 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-
 use arbitrary::Arbitrary;
 use crypto_provider_rustcrypto::RustCrypto;
 use libfuzzer_sys::fuzz_target;
@@ -22,7 +21,6 @@ use ukey2_connections::HandshakeImplementation;
 use ukey2_connections::{
     D2DHandshakeContext, InitiatorD2DHandshakeContext, ServerD2DHandshakeContext,
 };
-use ukey2_rs::error_handler::NoOpHandler;
 
 #[derive(Debug, Arbitrary)]
 struct FuzzInput<'a> {
@@ -34,14 +32,12 @@ struct FuzzInput<'a> {
 }
 
 fuzz_target!(|input: FuzzInput| {
-    let mut initiator_ctx = InitiatorD2DHandshakeContext::<RustCrypto, _, _>::new_impl(
+    let mut initiator_ctx = InitiatorD2DHandshakeContext::<RustCrypto, _>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         rand_chacha::ChaChaRng::from_seed(input.client_rng_seed),
     );
-    let mut server_ctx = ServerD2DHandshakeContext::<RustCrypto, _, _>::new_impl(
+    let mut server_ctx = ServerD2DHandshakeContext::<RustCrypto, _>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         rand_chacha::ChaChaRng::from_seed(input.server_rng_seed),
     );
     let client_init = initiator_ctx
diff --git a/nearby/connections/ukey2/ukey2_connections/src/d2d_connection_context_v1.rs b/nearby/connections/ukey2/ukey2_connections/src/d2d_connection_context_v1.rs
index 1878d56..1f524c9 100644
--- a/nearby/connections/ukey2/ukey2_connections/src/d2d_connection_context_v1.rs
+++ b/nearby/connections/ukey2/ukey2_connections/src/d2d_connection_context_v1.rs
@@ -29,6 +29,12 @@ use ukey2_rs::CompletedHandshake;
 
 use crate::{crypto_utils, java_utils};
 
+/// Version of the D2D protocol implementation (the connection encryption part after the UKEY2
+/// handshake). V0 is a half-duplex communication, with the key and sequence number shared between
+/// both sides, and V1 is a full-duplex communication, with separate keys and sequence numbers
+/// for encoding and decoding.
+///
+/// Only V1 is implemented by this library.
 const PROTOCOL_VERSION: u8 = 1;
 /// Number of bytes in the key
 pub(crate) const AES_256_KEY_SIZE: usize = 32;
@@ -38,7 +44,7 @@ const ENCRYPTION_SALT: [u8; 32] = [
     0x73, 0xe5, 0x37, 0xf2, 0x42, 0x74, 0x05, 0xfa, 0x23, 0x61, 0x0a, 0x4b, 0xe6, 0x57, 0x64, 0x2e,
 ];
 
-/// Salt for Sha256 for getSessionUnique()
+/// Salt for Sha256 for [`get_session_unique`][D2DConnectionContextV1::get_session_unique].
 /// SHA-256 of "D2D"
 const SESSION_UNIQUE_SALT: [u8; 32] = [
     0x82, 0xAA, 0x55, 0xA0, 0xD3, 0x97, 0xF8, 0x83, 0x46, 0xCA, 0x1C, 0xEE, 0x8D, 0x39, 0x09, 0xB9,
@@ -71,22 +77,23 @@ struct RustDeviceToDeviceMessage {
 
 // Static utility functions for dealing with DeviceToDeviceMessage.
 fn create_device_to_device_message(msg: RustDeviceToDeviceMessage) -> Vec<u8> {
-    let d2d_message = {
-        let mut proto_msg = DeviceToDeviceMessage::default();
-        proto_msg.set_message(msg.message);
-        proto_msg.set_sequence_number(msg.sequence_num);
-        proto_msg
+    let d2d_message = DeviceToDeviceMessage {
+        message: Some(msg.message),
+        sequence_number: Some(msg.sequence_num),
+        ..Default::default()
     };
     d2d_message.write_to_bytes().unwrap()
 }
 
 fn unwrap_device_to_device_message(
     message: &[u8],
-) -> Result<RustDeviceToDeviceMessage, DeserializeError> {
+) -> Result<RustDeviceToDeviceMessage, DecodeError> {
     let result =
-        DeviceToDeviceMessage::parse_from_bytes(message).map_err(|_| DeserializeError::BadData)?;
-    let msg = result.get_message().to_vec();
-    let seq_num = result.get_sequence_number();
+        DeviceToDeviceMessage::parse_from_bytes(message).map_err(|_| DecodeError::BadData)?;
+    let (msg, seq_num) = result
+        .message
+        .zip(result.sequence_number)
+        .ok_or(DecodeError::BadData)?;
     Ok(RustDeviceToDeviceMessage {
         sequence_num: seq_num,
         message: msg,
@@ -100,6 +107,9 @@ fn derive_aes256_key<C: CryptoProvider>(initial_key: &[u8], purpose: &[u8]) -> A
     buf
 }
 
+/// Implementation of the UKEY2 connection protocol, also known as version 1 of the D2D protocol. In
+/// this  version, communication is fully duplex, as separate keys and sequence numbers are used for
+/// encoding and decoding.
 #[derive(Debug)]
 pub struct D2DConnectionContextV1<R = rand::rngs::StdRng>
 where
@@ -109,20 +119,31 @@ where
     encode_sequence_num: i32,
     encode_key: Aes256Key,
     decode_key: Aes256Key,
+    encryption_key: Aes256Key,
+    decryption_key: Aes256Key,
+    signing_key: Aes256Key,
+    verify_key: Aes256Key,
     rng: R,
 }
 
+/// Error type for [`decode_message_from_peer`][D2DConnectionContextV1::decode_message_from_peer].
 #[derive(Debug)]
 pub enum DecodeError {
+    /// The data input being decoded does not match the expected input format.
     BadData,
+    /// The sequence number of the incoming message does not match the expected number. This means
+    /// messages has been lost, received out of order, or duplicates have been received.
     BadSequenceNumber,
 }
 
+/// Error type for [`from_saved_session`][D2DConnectionContextV1::from_saved_session].
 #[derive(Debug, PartialEq, Eq)]
 pub enum DeserializeError {
+    /// The input data is not a valid protobuf message and cannot be deserialized.
     BadData,
-    // For proto struct
+    /// The data length for the input data or some of its fields do not match the required length.
     BadDataLength,
+    /// The protocol version indicated in the input data is not expected by this implementation.
     BadProtocolVersion,
 }
 
@@ -136,8 +157,8 @@ impl std::fmt::Display for DecodeError {
 }
 
 impl D2DConnectionContextV1<rand::rngs::StdRng> {
-    pub fn from_saved_session(session: &[u8]) -> Result<Self, DeserializeError> {
-        Self::from_saved_session_with_rng(session, rand::rngs::StdRng::from_entropy())
+    pub fn from_saved_session<C: CryptoProvider>(session: &[u8]) -> Result<Self, DeserializeError> {
+        Self::from_saved_session_with_rng::<C>(session, rand::rngs::StdRng::from_entropy())
     }
 }
 
@@ -147,18 +168,26 @@ where
 {
     pub(crate) const NEXT_PROTOCOL_IDENTIFIER: &'static str = "AES_256_CBC-HMAC_SHA256";
 
-    pub fn new(
+    pub fn new<C: CryptoProvider>(
         decode_sequence_num: i32,
         encode_sequence_num: i32,
         encode_key: Aes256Key,
         decode_key: Aes256Key,
         rng: R,
     ) -> Self {
+        let encryption_key = derive_aes256_key::<C>(&encode_key, b"ENC:2");
+        let decryption_key = derive_aes256_key::<C>(&decode_key, b"ENC:2");
+        let signing_key = derive_aes256_key::<C>(&encode_key, b"SIG:1");
+        let verify_key = derive_aes256_key::<C>(&decode_key, b"SIG:1");
         D2DConnectionContextV1 {
             decode_sequence_num,
             encode_sequence_num,
             encode_key,
             decode_key,
+            encryption_key,
+            decryption_key,
+            signing_key,
+            verify_key,
             rng,
         }
     }
@@ -171,7 +200,7 @@ where
             .next_protocol_secret::<C>()
             .derive_array::<AES_256_KEY_SIZE>()
             .unwrap();
-        D2DConnectionContextV1::new(
+        D2DConnectionContextV1::new::<C>(
             0,
             0,
             encryption_key::<32, C>(&next_protocol_secret, HKDF_INFO_KEY_INITIATOR).unwrap(),
@@ -188,7 +217,7 @@ where
             .next_protocol_secret::<C>()
             .derive_array::<AES_256_KEY_SIZE>()
             .unwrap();
-        D2DConnectionContextV1::new(
+        D2DConnectionContextV1::new::<C>(
             0,
             0,
             encryption_key::<32, C>(&next_protocol_secret, HKDF_INFO_KEY_RESPONDER).unwrap(),
@@ -197,6 +226,23 @@ where
         )
     }
 
+    /// Creates a saved session that can later be used for resumption. The session data may be
+    /// persisted, but it must be stored in a secure location.
+    ///
+    /// Returns the serialized saved session, suitable for resumption using
+    /// [`from_saved_session`][Self::from_saved_session].
+    ///
+    /// Structure of saved session is:
+    ///
+    /// ```text
+    /// +---------------------------------------------------------------------------+
+    /// | 1 Byte  |      4 Bytes      |      4 Bytes      |  32 Bytes  |  32 Bytes  |
+    /// +---------------------------------------------------------------------------+
+    /// | Version | encode seq number | decode seq number | encode key | decode key |
+    /// +---------------------------------------------------------------------------+
+    /// ```
+    ///
+    /// The sequence numbers are represented in big-endian.
     pub fn save_session(&self) -> Vec<u8> {
         let mut ret: Vec<u8> = vec![];
         ret.push(PROTOCOL_VERSION);
@@ -207,35 +253,51 @@ where
         ret
     }
 
-    pub(crate) fn from_saved_session_with_rng(
+    pub(crate) fn from_saved_session_with_rng<C: CryptoProvider>(
         session: &[u8],
         rng: R,
     ) -> Result<Self, DeserializeError> {
-        // TODO parse with nom to ensure safety
         if session.len() != 73 {
             return Err(DeserializeError::BadDataLength);
         }
-        let protocol_version = session[0];
-        if protocol_version != PROTOCOL_VERSION {
-            return Err(DeserializeError::BadProtocolVersion);
-        }
-        let encode_sequence_num = i32::from_be_bytes(session[1..5].try_into().unwrap());
-        let decode_sequence_num = i32::from_be_bytes(session[5..9].try_into().unwrap());
-        let encode_key = session[9..41]
-            .try_into()
-            .expect("Selecting exactly 32 bytes");
-        let decode_key = session[41..73]
-            .try_into()
-            .expect("Selecting exactly 32 bytes");
-        Ok(Self {
+        let (rem, _) = nom::bytes::complete::tag(PROTOCOL_VERSION.to_be_bytes())(session)
+            .map_err(|_: nom::Err<nom::error::Error<_>>| DeserializeError::BadProtocolVersion)?;
+
+        let (_, (encode_sequence_num, decode_sequence_num, encode_key, decode_key)) =
+            nom::combinator::all_consuming(nom::sequence::tuple::<_, _, nom::error::Error<_>, _>(
+                (
+                    nom::number::complete::be_i32,
+                    nom::number::complete::be_i32,
+                    nom::combinator::map_res(
+                        nom::bytes::complete::take(32_usize),
+                        TryInto::<Aes256Key>::try_into,
+                    ),
+                    nom::combinator::map_res(
+                        nom::bytes::complete::take(32_usize),
+                        TryInto::<Aes256Key>::try_into,
+                    ),
+                ),
+            ))(rem)
+            // This should always succeed since all of the parsers above are valid over the entire
+            // [u8] space, and we already checked the length at the start.
+            .expect("Saved session parsing should succeed");
+        Ok(Self::new::<C>(
             encode_sequence_num,
             decode_sequence_num,
             encode_key,
             decode_key,
             rng,
-        })
+        ))
     }
 
+    /// Once initiator and responder have exchanged public keys, use this method to encrypt and
+    /// sign a payload. Both initiator and responder devices can use this message.
+    ///
+    /// * `payload` - The payload that should be encrypted.
+    /// * `associated_data` - Optional data that is not included in the payload but is included in
+    ///       the calculation of the signature for this message. Note that the *size* (length in
+    ///       bytes) of the associated data will be sent in the *UNENCRYPTED* header information,
+    ///       even if you are using encryption.
     pub fn encode_message_to_peer<C: CryptoProvider, A: AsRef<[u8]>>(
         &mut self,
         payload: &[u8],
@@ -246,45 +308,56 @@ where
             message: payload.to_vec(),
             sequence_num: self.get_sequence_number_for_encoding(),
         });
-        let encrypt_key = derive_aes256_key::<C>(&self.encode_key, b"ENC:2");
         let (ciphertext, iv) = crypto_utils::encrypt::<_, C::AesCbcPkcs7Padded>(
-            &encrypt_key,
+            &self.encryption_key,
             message.as_slice(),
             &mut self.rng,
         );
-        let mut metadata: GcmMetadata = GcmMetadata::default();
-        metadata.set_field_type(Type::DEVICE_TO_DEVICE_MESSAGE);
-        // As specified in
-        // google3/third_party/ukey2/src/main/java/com/google/security/cryptauth/lib/securegcm/SecureGcmConstants.java
-        metadata.set_version(1);
-        let mut header: Header = Header::default();
-        header.set_signature_scheme(SigScheme::HMAC_SHA256);
-        header.set_encryption_scheme(EncScheme::AES_256_CBC);
-        header.set_iv(iv.to_vec());
-        header.set_public_metadata(metadata.write_to_bytes().unwrap());
-        if let Some(assoc_data) = associated_data.as_ref() {
-            header.set_associated_data_length(assoc_data.as_ref().len() as u32)
-        }
-        let mut header_and_body = HeaderAndBody::default();
-        header_and_body.set_header(header);
-        header_and_body.set_body(ciphertext);
+        let metadata = GcmMetadata {
+            type_: Some(Type::DEVICE_TO_DEVICE_MESSAGE.into()),
+            // As specified in
+            // google3/third_party/ukey2/src/main/java/com/google/security/cryptauth/lib/securegcm/SecureGcmConstants.java
+            version: Some(1),
+            ..Default::default()
+        };
+        let header = Header {
+            signature_scheme: Some(SigScheme::HMAC_SHA256.into()),
+            encryption_scheme: Some(EncScheme::AES_256_CBC.into()),
+            iv: Some(iv.to_vec()),
+            public_metadata: Some(metadata.write_to_bytes().unwrap()),
+            associated_data_length: associated_data.as_ref().map(|d| d.as_ref().len() as u32),
+            ..Default::default()
+        };
+        let header_and_body = HeaderAndBody {
+            header: Some(header).into(),
+            body: Some(ciphertext),
+            ..Default::default()
+        };
         let header_and_body_bytes = header_and_body.write_to_bytes().unwrap();
 
         // add sha256 MAC
-        let sign_key = derive_aes256_key::<C>(&self.encode_key, b"SIG:1");
-        let mut hmac = C::HmacSha256::new_from_slice(&sign_key).unwrap();
+        let mut hmac = C::HmacSha256::new_from_slice(&self.signing_key).unwrap();
         hmac.update(header_and_body_bytes.as_slice());
         if let Some(associated_data_vec) = associated_data.as_ref() {
             hmac.update(associated_data_vec.as_ref())
         }
         let result_mac = hmac.finalize().to_vec();
 
-        let mut secure_message = SecureMessage::default();
-        secure_message.set_header_and_body(header_and_body_bytes);
-        secure_message.set_signature(result_mac);
+        let secure_message = SecureMessage {
+            header_and_body: Some(header_and_body_bytes),
+            signature: Some(result_mac),
+            ..Default::default()
+        };
         secure_message.write_to_bytes().unwrap()
     }
 
+    /// Once `InitiatorHello` and `ResponderHello` (and payload) are exchanged, use this method to
+    /// decrypt and verify a message received from the other device. Both initiator and responder
+    /// devices can use this message.
+    ///
+    /// * `message` - the message that should be encrypted.
+    /// * `associated_data` - Optional associated data that must match what the sender provided. See
+    ///       the documentation on [`encode_message_to_peer`][Self::encode_message_to_peer].
     pub fn decode_message_from_peer<C: CryptoProvider, A: AsRef<[u8]>>(
         &mut self,
         payload: &[u8],
@@ -293,39 +366,37 @@ where
         // first confirm that the payload MAC matches the header_and_body
         let message = SecureMessage::parse_from_bytes(payload).map_err(|_| DecodeError::BadData)?;
         let payload_mac: [u8; 32] = message
-            .get_signature()
-            .try_into()
-            .map_err(|_| DecodeError::BadData)?;
-        let payload = message.get_header_and_body();
-        let verify_key = derive_aes256_key::<C>(&self.decode_key, b"SIG:1");
-        let mut hmac = C::HmacSha256::new_from_slice(&verify_key).unwrap();
-        hmac.update(payload);
+            .signature
+            .and_then(|signature| signature.try_into().ok())
+            .ok_or(DecodeError::BadData)?;
+        let payload = message.header_and_body.ok_or(DecodeError::BadData)?;
+        let mut hmac = C::HmacSha256::new_from_slice(&self.verify_key).unwrap();
+        hmac.update(&payload);
         if let Some(associated_data) = associated_data.as_ref() {
             hmac.update(associated_data.as_ref())
         }
         hmac.verify(payload_mac).map_err(|_| DecodeError::BadData)?;
-        let payload = HeaderAndBody::parse_from_bytes(payload).map_err(|_| DecodeError::BadData)?;
-        let associated_data_len = payload.header.as_ref().and_then(|header| {
-            if header.has_associated_data_length() {
-                Some(header.get_associated_data_length())
-            } else {
-                None
-            }
-        });
+        let payload =
+            HeaderAndBody::parse_from_bytes(&payload).map_err(|_| DecodeError::BadData)?;
+        let associated_data_len = payload
+            .header
+            .as_ref()
+            .and_then(|header| header.associated_data_length);
         if associated_data_len != associated_data.map(|ad| ad.as_ref().len() as u32) {
             return Err(DecodeError::BadData);
         }
         let iv: AesCbcIv = payload
-            .get_header()
-            .get_iv()
-            .try_into()
-            .map_err(|_| DecodeError::BadData)?;
-        let decode_key = derive_aes256_key::<C>(&self.decode_key, b"ENC:2");
-        let decrypted =
-            crypto_utils::decrypt::<C::AesCbcPkcs7Padded>(&decode_key, payload.get_body(), &iv)
-                .map_err(|_| DecodeError::BadData)?;
-        let d2d_message = unwrap_device_to_device_message(decrypted.as_slice())
-            .map_err(|_| DecodeError::BadData)?;
+            .header
+            .as_ref()
+            .and_then(|header| header.iv().try_into().ok())
+            .ok_or(DecodeError::BadData)?;
+        let decrypted = crypto_utils::decrypt::<C::AesCbcPkcs7Padded>(
+            &self.decryption_key,
+            &payload.body.unwrap_or_default(),
+            &iv,
+        )
+        .map_err(|_| DecodeError::BadData)?;
+        let d2d_message = unwrap_device_to_device_message(decrypted.as_slice())?;
         if d2d_message.sequence_num != self.get_sequence_number_for_decoding() + 1 {
             return Err(DecodeError::BadSequenceNumber);
         }
@@ -341,14 +412,19 @@ where
         self.decode_sequence_num += 1;
     }
 
+    /// Returns the last sequence number used to encode a message.
     pub fn get_sequence_number_for_encoding(&self) -> i32 {
         self.encode_sequence_num
     }
 
+    /// Returns the last sequence number used to decode a message.
     pub fn get_sequence_number_for_decoding(&self) -> i32 {
         self.decode_sequence_num
     }
 
+    /// Returns a cryptographic digest (SHA256) of the session keys prepended by the SHA256 hash
+    /// of the ASCII string "D2D". Since the server and client share the same session keys, the
+    /// resulting session unique is also the same.
     pub fn get_session_unique<C: CryptoProvider>(&self) -> Vec<u8> {
         let encode_key_hash = java_utils::hash_code(self.encode_key.as_slice());
         let decode_key_hash = java_utils::hash_code(self.decode_key.as_slice());
diff --git a/nearby/connections/ukey2/ukey2_connections/src/d2d_handshake_context.rs b/nearby/connections/ukey2/ukey2_connections/src/d2d_handshake_context.rs
index da6d2b8..0499dad 100644
--- a/nearby/connections/ukey2/ukey2_connections/src/d2d_handshake_context.rs
+++ b/nearby/connections/ukey2/ukey2_connections/src/d2d_handshake_context.rs
@@ -18,8 +18,8 @@ use crypto_provider::CryptoProvider;
 use rand::{rngs::StdRng, SeedableRng as _};
 use std::{collections::HashSet, mem};
 use ukey2_rs::{
-    CompletedHandshake, ErrorHandler, HandshakeImplementation, StateMachine, Ukey2Client,
-    Ukey2ClientStage1, Ukey2Server, Ukey2ServerStage1, Ukey2ServerStage2,
+    CompletedHandshake, HandshakeImplementation, StateMachine, Ukey2Client, Ukey2ClientStage1,
+    Ukey2Server, Ukey2ServerStage1, Ukey2ServerStage2,
 };
 
 #[derive(Debug)]
@@ -37,61 +37,84 @@ pub enum HandleMessageError {
     BadMessage,
 }
 
-// TODO docs
+/// Implements UKEY2 and produces a [`D2DConnectionContextV1`].
+/// This class should be kept compatible with the Java and C++ implementations in
+/// <https://github.com/google/ukey2>.
+///
+/// For usage examples, see `ukey2_shell`. This file contains a shell exercising
+/// both the initiator and responder handshake roles.
 pub trait D2DHandshakeContext<R = rand::rngs::StdRng>: Send
 where
     R: rand::RngCore + rand::CryptoRng + rand::SeedableRng + Send,
 {
+    /// Tells the caller whether the handshake has completed or not. If the handshake is complete,
+    /// the caller may call [`to_connection_context`][Self::to_connection_context] to obtain a
+    /// connection context.
+    ///
+    /// Returns true if the handshake is complete, false otherwise.
     fn is_handshake_complete(&self) -> bool;
 
+    /// Constructs the next message that should be sent in the handshake.
+    ///
+    /// Returns the next message or `None` if the handshake is over.
     fn get_next_handshake_message(&self) -> Option<Vec<u8>>;
 
-    fn can_send_payload_in_handshake_message(&self) -> bool;
-
+    /// Parses a handshake message and advances the internal state of the context.
+    ///
+    /// * `handshakeMessage` - message received from the remote end in the handshake
     fn handle_handshake_message(&mut self, message: &[u8]) -> Result<(), HandleMessageError>;
 
+    /// Creates a [`D2DConnectionContextV1`] using the results of the handshake. May only be called
+    /// if [`is_handshake_complete`][Self::is_handshake_complete] returns true. Before trusting the
+    /// connection, callers should check that `to_completed_handshake().auth_string()` matches on
+    /// the client and server sides first. See the documentation for
+    /// [`to_completed_handshake`][Self::to_completed_handshake].
     fn to_connection_context(&mut self) -> Result<D2DConnectionContextV1<R>, HandshakeError>;
 
+    /// Returns the [`CompletedHandshake`] using the results from this handshake context. May only
+    /// be called if [`is_handshake_complete`][Self::is_handshake_complete] returns true.
+    /// Callers should verify that the authentication strings from
+    /// `to_completed_handshake().auth_string()` matches on the server and client sides before
+    /// trying to create a connection context. This authentication string verification needs to be
+    /// done out-of-band, either by displaying the string to the user, or verified by some other
+    /// secure means.
     fn to_completed_handshake(&self) -> Result<&CompletedHandshake, HandshakeError>;
 }
 
-enum InitiatorState<C: CryptoProvider, E: ErrorHandler> {
-    Stage1(Ukey2ClientStage1<C, E>),
+enum InitiatorState<C: CryptoProvider> {
+    Stage1(Ukey2ClientStage1<C>),
     Complete(Ukey2Client),
     /// If the initiator enters into an invalid state, e.g. by receiving invalid input.
     /// Also a momentary placeholder while swapping out states.
     Invalid,
 }
 
-pub struct InitiatorD2DHandshakeContext<C: CryptoProvider, E: ErrorHandler, R = rand::rngs::StdRng>
+/// Implementation of [`D2DHandshakeContext`] for the initiator (a.k.a the client).
+pub struct InitiatorD2DHandshakeContext<C: CryptoProvider, R = rand::rngs::StdRng>
 where
     R: rand::RngCore + rand::CryptoRng + rand::SeedableRng + Send,
 {
-    state: InitiatorState<C, E>,
+    state: InitiatorState<C>,
     rng: R,
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> InitiatorD2DHandshakeContext<C, E, rand::rngs::StdRng> {
-    pub fn new(handshake_impl: HandshakeImplementation, error_logger: E) -> Self {
-        Self::new_impl(
-            handshake_impl,
-            error_logger,
-            rand::rngs::StdRng::from_entropy(),
-        )
+impl<C: CryptoProvider> InitiatorD2DHandshakeContext<C, rand::rngs::StdRng> {
+    pub fn new(handshake_impl: HandshakeImplementation) -> Self {
+        Self::new_impl(handshake_impl, rand::rngs::StdRng::from_entropy())
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler, R> InitiatorD2DHandshakeContext<C, E, R>
+impl<C: CryptoProvider, R> InitiatorD2DHandshakeContext<C, R>
 where
     R: rand::RngCore + rand::CryptoRng + rand::SeedableRng + Send,
 {
+    // Used for testing / fuzzing only.
     #[doc(hidden)]
-    pub fn new_impl(handshake_impl: HandshakeImplementation, error_logger: E, mut rng: R) -> Self {
+    pub fn new_impl(handshake_impl: HandshakeImplementation, mut rng: R) -> Self {
         let client = Ukey2ClientStage1::from(
             &mut rng,
             D2DConnectionContextV1::<StdRng>::NEXT_PROTOCOL_IDENTIFIER.to_owned(),
             handshake_impl,
-            error_logger,
         );
         Self {
             state: InitiatorState::Stage1(client),
@@ -100,8 +123,7 @@ where
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler, R> D2DHandshakeContext<R>
-    for InitiatorD2DHandshakeContext<C, E, R>
+impl<C: CryptoProvider, R> D2DHandshakeContext<R> for InitiatorD2DHandshakeContext<C, R>
 where
     R: rand::RngCore + rand::CryptoRng + rand::SeedableRng + Send,
 {
@@ -122,10 +144,6 @@ where
         Some(next_msg)
     }
 
-    fn can_send_payload_in_handshake_message(&self) -> bool {
-        false
-    }
-
     fn handle_handshake_message(&mut self, message: &[u8]) -> Result<(), HandleMessageError> {
         match mem::replace(&mut self.state, InitiatorState::Invalid) {
             InitiatorState::Stage1(c) => {
@@ -165,39 +183,37 @@ where
     }
 }
 
-enum ServerState<C: CryptoProvider, E: ErrorHandler> {
-    Stage1(Ukey2ServerStage1<C, E>),
-    Stage2(Ukey2ServerStage2<C, E>),
+enum ServerState<C: CryptoProvider> {
+    Stage1(Ukey2ServerStage1<C>),
+    Stage2(Ukey2ServerStage2<C>),
     Complete(Ukey2Server),
     /// If the initiator enters into an invalid state, e.g. by receiving invalid input.
     /// Also a momentary placeholder while swapping out states.
     Invalid,
 }
 
-pub struct ServerD2DHandshakeContext<C: CryptoProvider, E: ErrorHandler, R = rand::rngs::StdRng>
+/// Implementation of [`D2DHandshakeContext`] for the server.
+pub struct ServerD2DHandshakeContext<C: CryptoProvider, R = rand::rngs::StdRng>
 where
     R: rand::Rng + rand::SeedableRng + rand::CryptoRng + Send,
 {
-    state: ServerState<C, E>,
+    state: ServerState<C>,
     rng: R,
 }
 
-impl<C: CryptoProvider, E: ErrorHandler> ServerD2DHandshakeContext<C, E, rand::rngs::StdRng> {
-    pub fn new(handshake_impl: HandshakeImplementation, error_logger: E) -> Self {
-        Self::new_impl(
-            handshake_impl,
-            error_logger,
-            rand::rngs::StdRng::from_entropy(),
-        )
+impl<C: CryptoProvider> ServerD2DHandshakeContext<C, rand::rngs::StdRng> {
+    pub fn new(handshake_impl: HandshakeImplementation) -> Self {
+        Self::new_impl(handshake_impl, rand::rngs::StdRng::from_entropy())
     }
 }
 
-impl<C: CryptoProvider, E: ErrorHandler, R> ServerD2DHandshakeContext<C, E, R>
+impl<C: CryptoProvider, R> ServerD2DHandshakeContext<C, R>
 where
     R: rand::Rng + rand::SeedableRng + rand::CryptoRng + Send,
 {
+    // Used for testing / fuzzing only.
     #[doc(hidden)]
-    pub fn new_impl(handshake_impl: HandshakeImplementation, error_logger: E, rng: R) -> Self {
+    pub fn new_impl(handshake_impl: HandshakeImplementation, rng: R) -> Self {
         Self {
             state: ServerState::Stage1(Ukey2ServerStage1::from(
                 HashSet::from([
@@ -205,17 +221,15 @@ where
                         .to_owned(),
                 ]),
                 handshake_impl,
-                error_logger,
             )),
             rng,
         }
     }
 }
 
-impl<C, E, R> D2DHandshakeContext<R> for ServerD2DHandshakeContext<C, E, R>
+impl<C, R> D2DHandshakeContext<R> for ServerD2DHandshakeContext<C, R>
 where
     C: CryptoProvider,
-    E: ErrorHandler,
     R: rand::Rng + rand::SeedableRng + rand::CryptoRng + Send,
 {
     fn is_handshake_complete(&self) -> bool {
@@ -235,15 +249,6 @@ where
         Some(next_msg)
     }
 
-    fn can_send_payload_in_handshake_message(&self) -> bool {
-        match &self.state {
-            ServerState::Stage1(_) => false,
-            ServerState::Stage2(_) => true,
-            ServerState::Complete(_) => true,
-            ServerState::Invalid => false,
-        }
-    }
-
     fn handle_handshake_message(&mut self, message: &[u8]) -> Result<(), HandleMessageError> {
         match mem::replace(&mut self.state, ServerState::Invalid) {
             ServerState::Stage1(s) => {
diff --git a/nearby/connections/ukey2/ukey2_connections/src/java_utils.rs b/nearby/connections/ukey2/ukey2_connections/src/java_utils.rs
index 75c5d39..9b4dac8 100644
--- a/nearby/connections/ukey2/ukey2_connections/src/java_utils.rs
+++ b/nearby/connections/ukey2/ukey2_connections/src/java_utils.rs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+/// Implementation compatible with Java's
+/// [`Object.hashCode()`](https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html#hashCode()).
 pub(crate) fn hash_code(input: &[u8]) -> i32 {
     input.iter().fold(1_i32, |acc, &byte| {
         31_i32.wrapping_mul(acc).wrapping_add(byte as i8 as i32)
diff --git a/nearby/connections/ukey2/ukey2_connections/src/lib.rs b/nearby/connections/ukey2/ukey2_connections/src/lib.rs
index fc29772..3a441bb 100644
--- a/nearby/connections/ukey2/ukey2_connections/src/lib.rs
+++ b/nearby/connections/ukey2/ukey2_connections/src/lib.rs
@@ -13,6 +13,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//! This crate implements the connection part of UKEY2. Depending on context, the name UKEY2 may
+//! include only the initial key handshake part (which is the historical origin of the name UKEY2),
+//! but may also include the connection encryption part implemented in this crate. In some docs
+//! this is also referred to as the "D2D" protocol.
+//!
+//! The main components in this crate are [`D2DHandshakeContext`] and [`D2DConnectionContextV1`].
+//! [`D2DHandshakeContext`] is a wrapper around the `ukey2_rs` crate, controlling the UKEY2 key
+//! handshake for the context of the resulting connection. [`D2DConnectionContextV1`] can be created
+//! from the handshake context once the handshake is complete, and controls the encryption and
+//! decryption of the payload messages.
+
+#![deny(missing_docs)]
+
 mod crypto_utils;
 mod d2d_connection_context_v1;
 mod d2d_handshake_context;
diff --git a/nearby/connections/ukey2/ukey2_connections/src/tests.rs b/nearby/connections/ukey2/ukey2_connections/src/tests.rs
index e211ba0..9b5403f 100644
--- a/nearby/connections/ukey2/ukey2_connections/src/tests.rs
+++ b/nearby/connections/ukey2/ukey2_connections/src/tests.rs
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use crypto_provider_rustcrypto::RustCryptoImpl;
 use rand::SeedableRng;
 use rand::{rngs::StdRng, CryptoRng, RngCore};
 use rstest::rstest;
@@ -19,7 +20,6 @@ use rstest::rstest;
 use crypto_provider::CryptoProvider;
 use crypto_provider_openssl::Openssl;
 use crypto_provider_rustcrypto::RustCrypto;
-use ukey2_rs::error_handler::NoOpHandler;
 use ukey2_rs::HandshakeImplementation;
 
 use crate::{
@@ -30,21 +30,20 @@ use crate::{
 
 #[rstest]
 fn crypto_test_encrypt_decrypt<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let message = b"Hello World!";
     let key = b"42424242424242424242424242424242";
     let (ciphertext, iv) =
         encrypt::<_, C::AesCbcPkcs7Padded>(key, message, &mut rand::rngs::StdRng::from_entropy());
     let decrypt_result = decrypt::<C::AesCbcPkcs7Padded>(key, ciphertext.as_slice(), &iv);
-    assert!(decrypt_result.is_ok());
-    let ptext = decrypt_result.unwrap();
+    let ptext = decrypt_result.expect("Decrypt should be successful");
     assert_eq!(ptext, message.to_vec());
 }
 
 #[rstest]
 fn crypto_test_encrypt_seeded<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let message = b"Hello World!";
     let key = b"42424242424242424242424242424242";
@@ -62,7 +61,7 @@ fn crypto_test_encrypt_seeded<C: CryptoProvider>(
 
 #[rstest]
 fn crypto_test_decrypt_seeded<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let iv = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
     let ciphertext = [
@@ -74,7 +73,9 @@ fn crypto_test_decrypt_seeded<C: CryptoProvider>(
 }
 
 #[rstest]
-fn decrypt_test_wrong_key<C: CryptoProvider>(#[values(RustCrypto, Openssl)] _crypto_provider: C) {
+fn decrypt_test_wrong_key<C: CryptoProvider>(
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
+) {
     let message = b"Hello World!";
     let good_key = b"42424242424242424242424242424242";
     let (ciphertext, iv) = encrypt::<_, C::AesCbcPkcs7Padded>(
@@ -101,14 +102,12 @@ where
     C: CryptoProvider,
     R: rand::RngCore + rand::CryptoRng + rand::SeedableRng + Send,
 {
-    let mut initiator_ctx = InitiatorD2DHandshakeContext::<C, _, R>::new_impl(
+    let mut initiator_ctx = InitiatorD2DHandshakeContext::<C, R>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         R::from_rng(&mut rng).unwrap(),
     );
-    let mut server_ctx = ServerD2DHandshakeContext::<C, _, R>::new_impl(
+    let mut server_ctx = ServerD2DHandshakeContext::<C, R>::new_impl(
         HandshakeImplementation::Spec,
-        NoOpHandler::default(),
         R::from_rng(&mut rng).unwrap(),
     );
     server_ctx
@@ -146,7 +145,7 @@ where
 #[rstest]
 fn send_receive_message_seeded<C: CryptoProvider>(
     // TODO: Find a way to inject RNG / generated ephemeral secrets in openSSL and test them here
-    #[values(RustCrypto)] _crypto_provider: C,
+    #[values(RustCryptoImpl::< MockRng >::new())] _crypto_provider: C,
 ) {
     let rng = MockRng;
     let message = b"Hello World!";
@@ -172,26 +171,32 @@ fn send_receive_message_seeded<C: CryptoProvider>(
 }
 
 #[rstest]
-fn send_receive_message<C: CryptoProvider>(#[values(RustCrypto, Openssl)] _crypto_provider: C) {
+fn send_receive_message<C: CryptoProvider>(
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
+) {
     let message = b"Hello World!";
     let (mut init_conn_ctx, mut server_conn_ctx) = run_handshake::<C>();
     let encoded = init_conn_ctx.encode_message_to_peer::<C, &[u8]>(message, None);
     let decoded = server_conn_ctx.decode_message_from_peer::<C, &[u8]>(encoded.as_slice(), None);
-    assert!(decoded.is_ok());
-    assert_eq!(message.to_vec(), decoded.unwrap());
+    assert_eq!(
+        message.to_vec(),
+        decoded.expect("Decode should be successful")
+    );
 }
 
 #[rstest]
 fn send_receive_message_associated_data<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let message = b"Hello World!";
     let (mut init_conn_ctx, mut server_conn_ctx) = run_handshake::<C>();
     let encoded = init_conn_ctx.encode_message_to_peer::<C, _>(message, Some(b"associated data"));
     let decoded = server_conn_ctx
         .decode_message_from_peer::<C, _>(encoded.as_slice(), Some(b"associated data"));
-    assert!(decoded.is_ok());
-    assert_eq!(message.to_vec(), decoded.unwrap());
+    assert_eq!(
+        message.to_vec(),
+        decoded.expect("Decode should be successful")
+    );
     // Make sure decode fails with missing associated data.
     let decoded = server_conn_ctx.decode_message_from_peer::<C, &[u8]>(encoded.as_slice(), None);
     assert!(decoded.is_err());
@@ -203,54 +208,78 @@ fn send_receive_message_associated_data<C: CryptoProvider>(
 
 #[rstest]
 fn test_save_restore_session<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let (init_conn_ctx, server_conn_ctx) = run_handshake::<C>();
     let init_session = init_conn_ctx.save_session();
     let server_session = server_conn_ctx.save_session();
-    let mut init_restored_ctx = D2DConnectionContextV1::from_saved_session(init_session.as_slice())
-        .expect("failed to restore client session");
+    let mut init_restored_ctx =
+        D2DConnectionContextV1::from_saved_session::<C>(init_session.as_slice())
+            .expect("failed to restore client session");
     let mut server_restored_ctx =
-        D2DConnectionContextV1::from_saved_session(server_session.as_slice())
+        D2DConnectionContextV1::from_saved_session::<C>(server_session.as_slice())
             .expect("failed to restore server session");
     let message = b"Hello World!";
     let encoded = init_restored_ctx.encode_message_to_peer::<C, &[u8]>(message, None);
     let decoded =
         server_restored_ctx.decode_message_from_peer::<C, &[u8]>(encoded.as_slice(), None);
-    assert!(decoded.is_ok());
-    assert_eq!(message.to_vec(), decoded.unwrap());
+    assert_eq!(
+        message.to_vec(),
+        decoded.expect("Decode should be successful")
+    );
 }
 
 #[rstest]
 fn test_save_restore_bad_session<C: CryptoProvider>(
-    #[values(RustCrypto, Openssl)] _crypto_provider: C,
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
 ) {
     let (init_conn_ctx, server_conn_ctx) = run_handshake::<C>();
     let init_session = init_conn_ctx.save_session();
     let server_session = server_conn_ctx.save_session();
-    let _ = D2DConnectionContextV1::from_saved_session(init_session.as_slice())
+    let _ = D2DConnectionContextV1::from_saved_session::<C>(init_session.as_slice())
         .expect("failed to restore client session");
-    let server_restored_ctx = D2DConnectionContextV1::from_saved_session(&server_session[0..60]);
-    assert!(server_restored_ctx.is_err());
+    let server_restored_ctx =
+        D2DConnectionContextV1::from_saved_session::<C>(&server_session[0..60]);
     assert_eq!(
-        server_restored_ctx.err().unwrap(),
+        server_restored_ctx.unwrap_err(),
         DeserializeError::BadDataLength
     );
 }
 
 #[rstest]
-fn test_unique_session<C: CryptoProvider>(#[values(RustCrypto, Openssl)] _crypto_provider: C) {
+fn test_save_restore_bad_protocol_version<C: CryptoProvider>(
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
+) {
+    let (init_conn_ctx, server_conn_ctx) = run_handshake::<C>();
+    let init_session = init_conn_ctx.save_session();
+    let mut server_session = server_conn_ctx.save_session();
+    let _ = D2DConnectionContextV1::from_saved_session::<C>(init_session.as_slice())
+        .expect("failed to restore client session");
+    server_session[0] = 0; // Change the protocol version to an invalid one (0)
+    let server_restored_ctx = D2DConnectionContextV1::from_saved_session::<C>(&server_session);
+    assert_eq!(
+        server_restored_ctx.unwrap_err(),
+        DeserializeError::BadProtocolVersion
+    );
+}
+
+#[rstest]
+fn test_unique_session<C: CryptoProvider>(
+    #[values(RustCrypto::new(), Openssl)] _crypto_provider: C,
+) {
     let (mut init_conn_ctx, mut server_conn_ctx) = run_handshake::<C>();
     let init_session = init_conn_ctx.get_session_unique::<C>();
     let server_session = server_conn_ctx.get_session_unique::<C>();
     let message = b"Hello World!";
     let encoded = init_conn_ctx.encode_message_to_peer::<C, &[u8]>(message, None);
     let decoded = server_conn_ctx.decode_message_from_peer::<C, &[u8]>(encoded.as_slice(), None);
-    assert!(decoded.is_ok());
-    assert_eq!(message.to_vec(), decoded.unwrap());
+    assert_eq!(
+        message.to_vec(),
+        decoded.expect("Decode should be successful")
+    );
     let init_session_after = init_conn_ctx.get_session_unique::<C>();
     let server_session_after = server_conn_ctx.get_session_unique::<C>();
-    let bad_server_ctx = D2DConnectionContextV1::new(
+    let bad_server_ctx = D2DConnectionContextV1::new::<C>(
         server_conn_ctx.get_sequence_number_for_decoding(),
         server_conn_ctx.get_sequence_number_for_encoding(),
         Aes256Key::default(),
@@ -282,6 +311,7 @@ fn test_java_hashcode() {
 /// changing the expected output. The downside is that code that keeps looping
 /// and generating a new random number until it fits certain criteria will hang
 /// indefinitely.
+#[derive(Eq, PartialEq, Clone, Debug)]
 struct MockRng;
 
 impl SeedableRng for MockRng {
diff --git a/nearby/connections/ukey2/ukey2_jni/Cargo.toml b/nearby/connections/ukey2/ukey2_jni/Cargo.toml
index a6e14c4..2a4b9f7 100644
--- a/nearby/connections/ukey2/ukey2_jni/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2_jni/Cargo.toml
@@ -18,6 +18,7 @@ rand.workspace = true
 rand_chacha.workspace = true
 spin.workspace = true
 jni.workspace = true
+log = { workspace = true, features = ["std"] }
 
 [features]
 default = ["rustcrypto"]
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/D2DHandshakeContext.java b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/D2DHandshakeContext.java
index 45d6b44..94827b0 100644
--- a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/D2DHandshakeContext.java
+++ b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/D2DHandshakeContext.java
@@ -32,40 +32,36 @@ public class D2DHandshakeContext {
 
     private static native boolean is_handshake_complete(long context_ptr) throws BadHandleException;
 
-    private static native long create_context(boolean is_client, Ukey2Logger logger);
+    private static native long create_context(boolean is_client);
 
     private static native byte[] get_next_handshake_message(long context_ptr) throws BadHandleException;
 
-    private static native boolean can_send_payload_in_handshake_message(long context_ptr) throws BadHandleException;
-
-    private static native byte[] parse_handshake_message(long context_ptr, byte[] message) throws BadHandleException, HandshakeException;
+    private static native void parse_handshake_message(long context_ptr, byte[] message) throws BadHandleException, HandshakeException;
 
     private static native byte[] get_verification_string(long context_ptr, int length) throws BadHandleException, HandshakeException;
 
     private static native long to_connection_context(long context_ptr) throws HandshakeException;
 
-    public D2DHandshakeContext(@Nonnull Role role, @Nonnull Ukey2Logger logger) {
-        this.context_ptr = create_context(role == Role.Initiator, logger);
+    public D2DHandshakeContext(@Nonnull Role role) {
+        this.context_ptr = create_context(role == Role.Initiator);
     }
 
     /**
      * Convenience constructor that creates a UKEY2 D2DHandshakeContext for the initiator role.
      *
-     * @param logger       - The {@link Ukey2Logger} instance to log any debug/error messages to.
      * @return a D2DHandshakeContext for the role of initiator in the handshake.
      */
-    public static D2DHandshakeContext forInitiator(@Nonnull Ukey2Logger logger) {
-        return new D2DHandshakeContext(Role.Initiator, logger);
+    public static D2DHandshakeContext forInitiator() {
+        return new D2DHandshakeContext(Role.Initiator);
     }
 
     /**
      * Convenience constructor that creates a UKEY2 D2DHandshakeContext for the initiator role.
      *
-     * @param logger       - The {@link Ukey2Logger} instance to log any debug/error messages to.
      * @return a D2DHandshakeContext for the role of responder/server in the handshake.
      */
-    public static D2DHandshakeContext forResponder(@Nonnull Ukey2Logger logger) {
-        return new D2DHandshakeContext(Role.Responder, logger);
+    public static D2DHandshakeContext forResponder() {
+        return new D2DHandshakeContext(Role.Responder);
     }
 
     /**
@@ -87,22 +83,12 @@ public class D2DHandshakeContext {
     }
 
     /**
-     * Indicates if extra information can be shared during the handshake at the current stage.
-     *
-     * @return if we can send extra informatino to the responder over the handshake.
-     */
-    public boolean canSendPayloadInHandshakeMessage() throws BadHandleException {
-        return can_send_payload_in_handshake_message(context_ptr);
-    }
-
-    /**
-     * Parses the handshake message and returns the encoded payload if any.
+     * Parses the handshake message.
      *
      * @param message - handshake message from the other side.
-     * @return - extra information, if any, should correspond with {@link D2DHandshakeContext#canSendPayloadInHandshakeMessage}
      */
-    public @Nonnull byte[] parseHandshakeMessage(@Nonnull byte[] message) throws BadHandleException, HandshakeException {
-        return parse_handshake_message(context_ptr, message);
+    public @Nonnull void parseHandshakeMessage(@Nonnull byte[] message) throws BadHandleException, HandshakeException {
+        parse_handshake_message(context_ptr, message);
     }
 
     /**
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/DefaultUkey2Logger.kt b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/DefaultUkey2Logger.kt
deleted file mode 100644
index efee9b7..0000000
--- a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/DefaultUkey2Logger.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2023 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.security.cryptauth.lib.securegcm
-
-object DefaultUkey2Logger : Ukey2Logger {
-  override fun log(level: Int, message: String?, originFile: String, originLine: Int) {
-    System.err.println("Java logger UKEY2 " + Ukey2Logger.Severity.convertLevelToSeverity(level).name + ": " + message)
-    System.err.flush()
-  }
-}
-\ No newline at end of file
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/ExceptionUkey2Logger.kt b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/ExceptionUkey2Logger.kt
deleted file mode 100644
index 404092e..0000000
--- a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/ExceptionUkey2Logger.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright 2023 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.security.cryptauth.lib.securegcm
-
-object ExceptionUkey2Logger : Ukey2Logger {
-  override fun log(level: Int, message: String?, originFile: String, originLine: Int) {
-    val infinite = 1 / 0
-  }
-}
-\ No newline at end of file
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/NoOpLogger.kt b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/NoOpLogger.kt
deleted file mode 100644
index 9f2a7c4..0000000
--- a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/NoOpLogger.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright 2023 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.security.cryptauth.lib.securegcm
-
-object NoOpLogger : Ukey2Logger {
-  override fun log(level: Int, message: String?, originFile: String, originLine: Int) {
-    // no-op
-  }
-}
-\ No newline at end of file
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/Ukey2Logger.kt b/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/Ukey2Logger.kt
deleted file mode 100644
index 1c744ca..0000000
--- a/nearby/connections/ukey2/ukey2_jni/java/src/main/java/com/google/security/cryptauth/lib/securegcm/Ukey2Logger.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright 2023 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.security.cryptauth.lib.securegcm
-
-interface Ukey2Logger {
-  /**
-   * This enum defines logging levels, similar to Android's INFO, ERROR, and WARNING levels.
-   * These can be used to filter logs and take different actions accordingly.
-   */
-  enum class Severity {
-    Info, Warning, Error;
-
-    companion object {
-      /**
-       * This can be used to convert from the level reported by native code to a [Severity].
-       * @param level
-       * @return Severity that can be used like Android's logging levels.
-       */
-      fun convertLevelToSeverity(level: Int): Severity {
-        return when (level) {
-          0 -> Info
-          1 -> Warning
-          else -> Error
-        }
-      }
-    }
-  }
-
-  fun log(level: Int, message: String?, originFile: String, originLine: Int)
-}
-\ No newline at end of file
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestLogger.kt b/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestLogger.kt
deleted file mode 100644
index ba77b5d..0000000
--- a/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestLogger.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright 2023 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.security.cryptauth.lib.securegcm
-
-object TestLogger : Ukey2Logger {
-  var level: Int = 0
-  var message: String = ""
-  var originFile: String = ""
-  var originLine: Int = 0
-
-  override fun log(level: Int, message: String?, originFile: String, originLine: Int) {
-    this.level = level
-    this.message = message ?: ""
-    this.originFile = originFile
-    this.originLine = originLine
-  }
-}
-\ No newline at end of file
diff --git a/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestUkey2Protocol.kt b/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestUkey2Protocol.kt
index cca1ace..1090c7e 100644
--- a/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestUkey2Protocol.kt
+++ b/nearby/connections/ukey2/ukey2_jni/java/src/test/java/com/google/security/cryptauth/lib/securegcm/TestUkey2Protocol.kt
@@ -41,14 +41,10 @@ class TestUkey2Protocol {
         val serverContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         assertFalse(serverContext.isHandshakeComplete)
-        assertFalse(serverContext.canSendPayloadInHandshakeMessage())
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
             assertTrue(initiatorContext.isHandshakeComplete)
             assertTrue(serverContext.isHandshakeComplete)
         }
@@ -61,12 +57,9 @@ class TestUkey2Protocol {
         val serverContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
             val connContext = initiatorContext.toConnectionContext()
             val serverConnContext = serverContext.toConnectionContext()
             val initialShareString = "Nearby sharing to server"
@@ -88,12 +81,9 @@ class TestUkey2Protocol {
         val serverContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
             val connContext = initiatorContext.toConnectionContext()
             val serverConnContext = serverContext.toConnectionContext()
             val initiatorSavedSession = connContext.saveSession()
@@ -118,12 +108,9 @@ class TestUkey2Protocol {
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         val deriveInitiatorSavedSession = {
             assertDoesNotThrow {
-                val handshakePart1 =
-                    serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-                val handshakePart2 =
-                    initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-                val handshakePart3 =
-                    serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
                 val connContext = initiatorContext.toConnectionContext()
                 val serverConnContext = serverContext.toConnectionContext()
                 connContext.saveSession()
@@ -141,12 +128,9 @@ class TestUkey2Protocol {
         val serverContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
             val connContext = initiatorContext.toConnectionContext()
             val serverConnContext = serverContext.toConnectionContext()
         }
@@ -156,20 +140,6 @@ class TestUkey2Protocol {
     }
 
     @Test
-    fun testLogger() {
-        val logger = TestLogger
-        val logInitiatorContext =
-            D2DHandshakeContext(D2DHandshakeContext.Role.Initiator, logger)
-        assertThrows<HandshakeException> {
-            val handshakePart1 = logInitiatorContext.parseHandshakeMessage("hello".toByteArray())
-            assertEquals(logger.level, Ukey2Logger.Severity.Error.ordinal)
-        }
-        assertNotEquals(logger.message, "")
-        assertNotEquals(logger.originLine, 0)
-        assertNotEquals(logger.originFile, "")
-    }
-
-    @Test
     fun testSendReceiveMessageWithAssociatedData() {
         val initiatorContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Initiator, NoOpLogger)
@@ -177,12 +147,9 @@ class TestUkey2Protocol {
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         val associatedData = "Associated data.".toByteArray()
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
             val connContext = initiatorContext.toConnectionContext()
             val serverConnContext = serverContext.toConnectionContext()
             val initialShareString = "Nearby sharing to server"
@@ -204,12 +171,9 @@ class TestUkey2Protocol {
         val serverContext =
             D2DHandshakeContext(D2DHandshakeContext.Role.Responder, NoOpLogger)
         assertDoesNotThrow {
-            val handshakePart1 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
-            val handshakePart2 =
-                initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
-            val handshakePart3 =
-                serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
+            initiatorContext.parseHandshakeMessage(serverContext.nextHandshakeMessage)
+            serverContext.parseHandshakeMessage(initiatorContext.nextHandshakeMessage)
         }
         assert(serverContext.isHandshakeComplete)
         assert(initiatorContext.isHandshakeComplete)
diff --git a/nearby/connections/ukey2/ukey2_jni/src/lib.rs b/nearby/connections/ukey2/ukey2_jni/src/lib.rs
index e499a26..fb3ca7b 100644
--- a/nearby/connections/ukey2/ukey2_jni/src/lib.rs
+++ b/nearby/connections/ukey2/ukey2_jni/src/lib.rs
@@ -13,12 +13,10 @@
 // limitations under the License.
 
 use std::collections::HashMap;
-use std::sync::mpsc::Sender;
-use std::thread;
 
-use jni::objects::{GlobalRef, JClass, JObject, JString};
-use jni::sys::{jboolean, jbyteArray, jint, jlong, jobject, JNI_TRUE};
-use jni::{JNIEnv, JavaVM};
+use jni::objects::JClass;
+use jni::sys::{jboolean, jbyteArray, jint, jlong, JNI_TRUE};
+use jni::JNIEnv;
 use lazy_static::lazy_static;
 use rand::Rng;
 use rand_chacha::rand_core::SeedableRng;
@@ -30,7 +28,6 @@ use ukey2_connections::{
     HandshakeError, HandshakeImplementation, InitiatorD2DHandshakeContext,
     ServerD2DHandshakeContext,
 };
-use ukey2_rs::{ErrorHandler, Severity};
 
 cfg_if::cfg_if! {
     if #[cfg(feature = "rustcrypto")] {
@@ -75,67 +72,10 @@ enum JniError {
     HandshakeError(HandshakeError),
 }
 
-struct JniLogger {
-    tx: Sender<LogMessage>,
-}
-
-struct LogMessage(String, Severity, String, u32);
-
-impl JniLogger {
-    fn new(jvm: JavaVM, logger: GlobalRef) -> Self {
-        let (tx, rx) = std::sync::mpsc::channel::<LogMessage>();
-        thread::spawn(move || {
-            let attach_guard = jvm.attach_current_thread().unwrap();
-            let env = *attach_guard;
-            while let Ok(LogMessage(message, severity, origin_file, origin_line)) = rx.recv() {
-                let message_jval = {
-                    let msg_jstr: JString = env.new_string(message).unwrap();
-                    msg_jstr.into()
-                };
-                let origin_file_jval = {
-                    let origin_file_jstr: JString = env.new_string(origin_file).unwrap();
-                    origin_file_jstr.into()
-                };
-                if !env.exception_check().unwrap_or(false) {
-                    let _ = env.call_method(
-                        &logger,
-                        "log",
-                        "(ILjava/lang/String;Ljava/lang/String;I)V",
-                        &[
-                            (severity as jint).into(),
-                            message_jval,
-                            origin_file_jval,
-                            (origin_line as jint).into(),
-                        ],
-                    );
-                }
-            }
-        });
-        Self { tx }
-    }
-}
-
-impl ErrorHandler for JniLogger {
-    fn log_full_err(
-        &self,
-        severity: Severity,
-        message: String,
-        origin_file: &str,
-        origin_line: u32,
-    ) {
-        let _unused = self.tx.send(LogMessage(
-            message,
-            severity,
-            origin_file.to_string(),
-            origin_line,
-        ));
-    }
-}
-
 // D2DHandshakeContext
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_is_1handshake_1complete(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jboolean {
@@ -152,34 +92,20 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHands
     is_complete as jboolean
 }
 
-/// # Safety
-/// We get a raw jobject as the logger from the Java program, so we need to convert that to an
-/// object with an explicit lifetime in order to pin it in the JVM.
 #[no_mangle]
-pub unsafe extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_create_1context(
-    env: JNIEnv,
+pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_create_1context(
+    _: JNIEnv,
     _: JClass,
     is_client: jboolean,
-    logger: jobject,
 ) -> jlong {
     if is_client == JNI_TRUE {
-        let client_obj = Box::new(InitiatorD2DHandshakeContext::<CryptoProvider, _>::new(
-            HandshakeImplementation::Weird,
-            JniLogger::new(
-                env.get_java_vm().unwrap(),
-                env.new_global_ref(unsafe { JObject::from_raw(logger) })
-                    .unwrap(),
-            ),
+        let client_obj = Box::new(InitiatorD2DHandshakeContext::<CryptoProvider>::new(
+            HandshakeImplementation::PublicKeyInProtobuf,
         ));
         insert_handshake_handle(client_obj) as jlong
     } else {
-        let server_obj = Box::new(ServerD2DHandshakeContext::<CryptoProvider, _>::new(
-            HandshakeImplementation::Weird,
-            JniLogger::new(
-                env.get_java_vm().unwrap(),
-                env.new_global_ref(unsafe { JObject::from_raw(logger) })
-                    .unwrap(),
-            ),
+        let server_obj = Box::new(ServerD2DHandshakeContext::<CryptoProvider>::new(
+            HandshakeImplementation::PublicKeyInProtobuf,
         ));
         insert_handshake_handle(server_obj) as jlong
     }
@@ -187,7 +113,7 @@ pub unsafe extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_get_1next_1handshake_1message(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jbyteArray {
@@ -211,33 +137,17 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHands
 }
 
 #[no_mangle]
-pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_can_1send_1payload_1in_1handshake_1message(
-    env: JNIEnv,
-    _: JClass,
-    context_handle: jlong,
-) -> jboolean {
-    let can_send = if let Some(ctx) = HANDLE_MAPPING.lock().get(&(context_handle as u64)) {
-        ctx.can_send_payload_in_handshake_message()
-    } else {
-        env.throw_new(
-            "com/google/security/cryptauth/lib/securegcm/BadHandleException",
-            "",
-        )
-        .expect("failed to find error class");
-        false
-    };
-    can_send as jboolean
-}
-
-#[no_mangle]
+#[allow(clippy::not_unsafe_ptr_arg_deref)]
+/// Safety: We know the message pointer is safe as it is coming directly from the JVM.
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_parse_1handshake_1message(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
     message: jbyteArray,
-) -> jbyteArray {
-    let empty_array = env.new_byte_array(0).unwrap();
-    let rust_buffer = env.convert_byte_array(message).unwrap();
+) {
+    let rust_buffer = env
+        .convert_byte_array(message)
+        .unwrap();
     let result = if let Some(ctx) = HANDLE_MAPPING.lock().get_mut(&(context_handle as u64)) {
         ctx.handle_handshake_message(rust_buffer.as_slice())
             .map_err(JniError::HandleMessageError)
@@ -263,12 +173,11 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHands
             .expect("failed to find error class");
         }
     }
-    empty_array
 }
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_get_1verification_1string(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
     length: jint,
@@ -312,7 +221,7 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHands
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHandshakeContext_to_1connection_1context(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jlong {
@@ -341,8 +250,11 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DHands
 
 // D2DConnectionContextV1
 #[no_mangle]
+#[allow(clippy::not_unsafe_ptr_arg_deref)]
+/// Safety: We know the payload and associated_data pointers are safe as they are coming directly
+/// from the JVM.
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_encode_1message_1to_1peer(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
     payload: jbyteArray,
@@ -356,11 +268,16 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
         .get_mut(&(context_handle as u64))
     {
         Ok(ctx.encode_message_to_peer::<CryptoProvider, _>(
-            env.convert_byte_array(payload).unwrap().as_slice(),
+            env.convert_byte_array(payload)
+                .unwrap()
+                .as_slice(),
             if associated_data.is_null() {
                 None
             } else {
-                Some(env.convert_byte_array(associated_data).unwrap())
+                Some(
+                    env.convert_byte_array(associated_data)
+                        .unwrap(),
+                )
             },
         ))
     } else {
@@ -380,8 +297,11 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 }
 
 #[no_mangle]
+#[allow(clippy::not_unsafe_ptr_arg_deref)]
+/// Safety: We know the message and associated_data pointers are safe as they are coming directly
+/// from the JVM.
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_decode_1message_1from_1peer(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
     message: jbyteArray,
@@ -393,11 +313,16 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
         .get_mut(&(context_handle as u64))
     {
         ctx.decode_message_from_peer::<CryptoProvider, _>(
-            env.convert_byte_array(message).unwrap().as_slice(),
+            env.convert_byte_array(message)
+                .unwrap()
+                .as_slice(),
             if associated_data.is_null() {
                 None
             } else {
-                Some(env.convert_byte_array(associated_data).unwrap())
+                Some(
+                    env.convert_byte_array(associated_data)
+                        .unwrap(),
+                )
             },
         )
         .map_err(JniError::DecodeError)
@@ -427,7 +352,7 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_get_1sequence_1number_1for_1encoding(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jint {
@@ -448,7 +373,7 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_get_1sequence_1number_1for_1decoding(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jint {
@@ -469,7 +394,7 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_save_1session(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jbyteArray {
@@ -491,15 +416,18 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 }
 
 #[no_mangle]
+#[allow(clippy::not_unsafe_ptr_arg_deref)]
+/// Safety: We know the session_info pointer is safe because it is coming directly from the JVM.
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_from_1saved_1session(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     session_info: jbyteArray,
 ) -> jlong {
     let session_info_rust = env
         .convert_byte_array(session_info)
         .expect("bad session_info data");
-    let ctx = D2DConnectionContextV1::from_saved_session(session_info_rust.as_slice());
+    let ctx =
+        D2DConnectionContextV1::from_saved_session::<CryptoProvider>(session_info_rust.as_slice());
     if ctx.is_err() {
         env.throw_new(
             "com/google/security/cryptauth/lib/securegcm/SessionRestoreException",
@@ -519,7 +447,7 @@ pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConne
 
 #[no_mangle]
 pub extern "system" fn Java_com_google_security_cryptauth_lib_securegcm_D2DConnectionContextV1_get_1session_1unique(
-    env: JNIEnv,
+    mut env: JNIEnv,
     _: JClass,
     context_handle: jlong,
 ) -> jbyteArray {
diff --git a/nearby/connections/ukey2/ukey2_proto/Cargo.toml b/nearby/connections/ukey2/ukey2_proto/Cargo.toml
index 6ac2f52..c94d5b8 100644
--- a/nearby/connections/ukey2/ukey2_proto/Cargo.toml
+++ b/nearby/connections/ukey2/ukey2_proto/Cargo.toml
@@ -16,5 +16,5 @@ cargo = []
 diff = "0.1.13"
 
 [build-dependencies]
-protoc-rust.workspace = true
+protobuf-codegen.workspace = true
 
diff --git a/nearby/connections/ukey2/ukey2_proto/build.rs b/nearby/connections/ukey2/ukey2_proto/build.rs
index 158b0b8..8d9aaa0 100644
--- a/nearby/connections/ukey2/ukey2_proto/build.rs
+++ b/nearby/connections/ukey2/ukey2_proto/build.rs
@@ -12,12 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use protoc_rust::Customize;
+use protobuf_codegen::Customize;
 
 fn main() {
-    let out_dir = std::env::var("OUT_DIR").unwrap() + "/proto";
-    std::fs::create_dir_all(&out_dir).unwrap();
-    protoc_rust::Codegen::new()
+    protobuf_codegen::Codegen::new()
+        .protoc()
         // All inputs and imports from the inputs must reside in `includes` directories.
         .includes(["proto"])
         // Inputs must reside in some of include paths.
@@ -25,11 +24,7 @@ fn main() {
         .input("proto/securemessage.proto")
         .input("proto/securegcm.proto")
         .input("proto/device_to_device_messages.proto")
-        .customize(Customize {
-            gen_mod_rs: Some(true),
-            ..Default::default()
-        })
-        .out_dir(out_dir)
-        .run()
-        .unwrap();
+        .customize(Customize::default().gen_mod_rs(true))
+        .cargo_out_dir("proto")
+        .run_from_script()
 }
diff --git a/nearby/connections/ukey2/ukey2_proto/proto/securemessage.proto b/nearby/connections/ukey2/ukey2_proto/proto/securemessage.proto
index aef2765..7a19739 100644
--- a/nearby/connections/ukey2/ukey2_proto/proto/securemessage.proto
+++ b/nearby/connections/ukey2/ukey2_proto/proto/securemessage.proto
@@ -36,6 +36,7 @@ enum SigScheme {
   ECDSA_P256_SHA256 = 2;
   // Not recommended -- use ECDSA_P256_SHA256 instead
   RSA2048_SHA256 = 3;
+  AEAD = 4;
 }
 
 // Supported encryption schemes
@@ -43,6 +44,7 @@ enum EncScheme {
   // No encryption
   NONE = 1;
   AES_256_CBC = 2;
+  AES_256_GCM_SIV = 3;
 }
 
 message Header {
@@ -59,6 +61,8 @@ message Header {
   // The length of some associated data this is not sent in this SecureMessage,
   // but which will be bound to the signature.
   optional uint32 associated_data_length = 7 [default = 0];
+  // Encryption may use a nonce. Required for AES-256-GCM-SIV.
+  optional bytes nonce = 8;
 }
 
 message HeaderAndBody {
diff --git a/nearby/connections/ukey2/ukey2_proto/proto/ukey.proto b/nearby/connections/ukey2/ukey2_proto/proto/ukey.proto
index 2b4dcd5..1edec1f 100644
--- a/nearby/connections/ukey2/ukey2_proto/proto/ukey.proto
+++ b/nearby/connections/ukey2/ukey2_proto/proto/ukey.proto
@@ -87,6 +87,8 @@ message Ukey2ClientInit {
 
   // Next protocol that the client wants to speak.
   optional string next_protocol = 4;
+  // Other next protocols the client can speak.
+  repeated string other_next_protocols = 5;
 }
 
 message Ukey2ServerInit {
@@ -97,6 +99,9 @@ message Ukey2ServerInit {
   // Selected Cipher and corresponding public key
   optional Ukey2HandshakeCipher handshake_cipher = 3;
   optional bytes public_key = 4;
+  // The server-selected next_protocol string based on the Ukey2ClientInit's
+  // next_protocol string and other_next_protocols array.
+  optional string selected_next_protocol = 5;
 }
 
 message Ukey2ClientFinished {
diff --git a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/device_to_device_messages.rs b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/device_to_device_messages.rs
index e4d2a99..3c2da35 100644
--- a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/device_to_device_messages.rs
+++ b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/device_to_device_messages.rs
@@ -12,7 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This file is generated by rust-protobuf 2.28.0. Do not edit
+// This file is generated by rust-protobuf 3.2.0. Do not edit
+// .proto file is parsed by protoc 3.19.1
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -29,22 +30,27 @@
 #![allow(non_snake_case)]
 #![allow(non_upper_case_globals)]
 #![allow(trivial_casts)]
-#![allow(unused_imports)]
 #![allow(unused_results)]
+#![allow(unused_mut)]
+
 //! Generated file from `device_to_device_messages.proto`
+// Generated for lite runtime
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_28_0;
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_2_0;
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.DeviceToDeviceMessage)
 pub struct DeviceToDeviceMessage {
     // message fields
-    message: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    sequence_number: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.DeviceToDeviceMessage.message)
+    pub message: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.DeviceToDeviceMessage.sequence_number)
+    pub sequence_number: ::std::option::Option<i32>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.DeviceToDeviceMessage.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a DeviceToDeviceMessage {
@@ -60,15 +66,15 @@ impl DeviceToDeviceMessage {
 
     // optional bytes message = 1;
 
-
-    pub fn get_message(&self) -> &[u8] {
+    pub fn message(&self) -> &[u8] {
         match self.message.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_message(&mut self) {
-        self.message.clear();
+        self.message = ::std::option::Option::None;
     }
 
     pub fn has_message(&self) -> bool {
@@ -77,14 +83,14 @@ impl DeviceToDeviceMessage {
 
     // Param is passed by value, moved
     pub fn set_message(&mut self, v: ::std::vec::Vec<u8>) {
-        self.message = ::protobuf::SingularField::some(v);
+        self.message = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_message(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.message.is_none() {
-            self.message.set_default();
+            self.message = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.message.as_mut().unwrap()
     }
@@ -96,10 +102,10 @@ impl DeviceToDeviceMessage {
 
     // optional int32 sequence_number = 2;
 
-
-    pub fn get_sequence_number(&self) -> i32 {
+    pub fn sequence_number(&self) -> i32 {
         self.sequence_number.unwrap_or(0)
     }
+
     pub fn clear_sequence_number(&mut self) {
         self.sequence_number = ::std::option::Option::None;
     }
@@ -115,26 +121,23 @@ impl DeviceToDeviceMessage {
 }
 
 impl ::protobuf::Message for DeviceToDeviceMessage {
+    const NAME: &'static str = "DeviceToDeviceMessage";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.message)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.message = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.sequence_number = ::std::option::Option::Some(tmp);
+                16 => {
+                    self.sequence_number = ::std::option::Option::Some(is.read_int32()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -143,88 +146,69 @@ impl ::protobuf::Message for DeviceToDeviceMessage {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.message.as_ref() {
+        if let Some(v) = self.message.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
         if let Some(v) = self.sequence_number {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(2, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.message.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.message.as_ref() {
+            os.write_bytes(1, v)?;
         }
         if let Some(v) = self.sequence_number {
             os.write_int32(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> DeviceToDeviceMessage {
         DeviceToDeviceMessage::new()
     }
 
-    fn default_instance() -> &'static DeviceToDeviceMessage {
-        static instance: ::protobuf::rt::LazyV2<DeviceToDeviceMessage> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(DeviceToDeviceMessage::new)
-    }
-}
-
-impl ::protobuf::Clear for DeviceToDeviceMessage {
     fn clear(&mut self) {
-        self.message.clear();
+        self.message = ::std::option::Option::None;
         self.sequence_number = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for DeviceToDeviceMessage {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static DeviceToDeviceMessage {
+        static instance: DeviceToDeviceMessage = DeviceToDeviceMessage {
+            message: ::std::option::Option::None,
+            sequence_number: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.InitiatorHello)
 pub struct InitiatorHello {
     // message fields
-    pub public_dh_key: ::protobuf::SingularPtrField<super::securemessage::GenericPublicKey>,
-    protocol_version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.InitiatorHello.public_dh_key)
+    pub public_dh_key: ::protobuf::MessageField<super::securemessage::GenericPublicKey>,
+    // @@protoc_insertion_point(field:securegcm.InitiatorHello.protocol_version)
+    pub protocol_version: ::std::option::Option<i32>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.InitiatorHello.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a InitiatorHello {
@@ -238,45 +222,12 @@ impl InitiatorHello {
         ::std::default::Default::default()
     }
 
-    // optional .securemessage.GenericPublicKey public_dh_key = 1;
-
-
-    pub fn get_public_dh_key(&self) -> &super::securemessage::GenericPublicKey {
-        self.public_dh_key.as_ref().unwrap_or_else(|| <super::securemessage::GenericPublicKey as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_public_dh_key(&mut self) {
-        self.public_dh_key.clear();
-    }
-
-    pub fn has_public_dh_key(&self) -> bool {
-        self.public_dh_key.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_public_dh_key(&mut self, v: super::securemessage::GenericPublicKey) {
-        self.public_dh_key = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_public_dh_key(&mut self) -> &mut super::securemessage::GenericPublicKey {
-        if self.public_dh_key.is_none() {
-            self.public_dh_key.set_default();
-        }
-        self.public_dh_key.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_public_dh_key(&mut self) -> super::securemessage::GenericPublicKey {
-        self.public_dh_key.take().unwrap_or_else(|| super::securemessage::GenericPublicKey::new())
-    }
-
     // optional int32 protocol_version = 2;
 
-
-    pub fn get_protocol_version(&self) -> i32 {
+    pub fn protocol_version(&self) -> i32 {
         self.protocol_version.unwrap_or(0i32)
     }
+
     pub fn clear_protocol_version(&mut self) {
         self.protocol_version = ::std::option::Option::None;
     }
@@ -292,6 +243,8 @@ impl InitiatorHello {
 }
 
 impl ::protobuf::Message for InitiatorHello {
+    const NAME: &'static str = "InitiatorHello";
+
     fn is_initialized(&self) -> bool {
         for v in &self.public_dh_key {
             if !v.is_initialized() {
@@ -301,22 +254,17 @@ impl ::protobuf::Message for InitiatorHello {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.public_dh_key)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.public_dh_key)?;
                 },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.protocol_version = ::std::option::Option::Some(tmp);
+                16 => {
+                    self.protocol_version = ::std::option::Option::Some(is.read_int32()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -325,91 +273,70 @@ impl ::protobuf::Message for InitiatorHello {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.public_dh_key.as_ref() {
+        if let Some(v) = self.public_dh_key.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
         if let Some(v) = self.protocol_version {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(2, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.public_dh_key.as_ref() {
-            os.write_tag(1, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.public_dh_key.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(1, v, os)?;
         }
         if let Some(v) = self.protocol_version {
             os.write_int32(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> InitiatorHello {
         InitiatorHello::new()
     }
 
-    fn default_instance() -> &'static InitiatorHello {
-        static instance: ::protobuf::rt::LazyV2<InitiatorHello> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(InitiatorHello::new)
-    }
-}
-
-impl ::protobuf::Clear for InitiatorHello {
     fn clear(&mut self) {
         self.public_dh_key.clear();
         self.protocol_version = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for InitiatorHello {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static InitiatorHello {
+        static instance: InitiatorHello = InitiatorHello {
+            public_dh_key: ::protobuf::MessageField::none(),
+            protocol_version: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.ResponderHello)
 pub struct ResponderHello {
     // message fields
-    pub public_dh_key: ::protobuf::SingularPtrField<super::securemessage::GenericPublicKey>,
-    protocol_version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.ResponderHello.public_dh_key)
+    pub public_dh_key: ::protobuf::MessageField<super::securemessage::GenericPublicKey>,
+    // @@protoc_insertion_point(field:securegcm.ResponderHello.protocol_version)
+    pub protocol_version: ::std::option::Option<i32>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.ResponderHello.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a ResponderHello {
@@ -423,45 +350,12 @@ impl ResponderHello {
         ::std::default::Default::default()
     }
 
-    // optional .securemessage.GenericPublicKey public_dh_key = 1;
-
-
-    pub fn get_public_dh_key(&self) -> &super::securemessage::GenericPublicKey {
-        self.public_dh_key.as_ref().unwrap_or_else(|| <super::securemessage::GenericPublicKey as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_public_dh_key(&mut self) {
-        self.public_dh_key.clear();
-    }
-
-    pub fn has_public_dh_key(&self) -> bool {
-        self.public_dh_key.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_public_dh_key(&mut self, v: super::securemessage::GenericPublicKey) {
-        self.public_dh_key = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_public_dh_key(&mut self) -> &mut super::securemessage::GenericPublicKey {
-        if self.public_dh_key.is_none() {
-            self.public_dh_key.set_default();
-        }
-        self.public_dh_key.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_public_dh_key(&mut self) -> super::securemessage::GenericPublicKey {
-        self.public_dh_key.take().unwrap_or_else(|| super::securemessage::GenericPublicKey::new())
-    }
-
     // optional int32 protocol_version = 2;
 
-
-    pub fn get_protocol_version(&self) -> i32 {
+    pub fn protocol_version(&self) -> i32 {
         self.protocol_version.unwrap_or(0i32)
     }
+
     pub fn clear_protocol_version(&mut self) {
         self.protocol_version = ::std::option::Option::None;
     }
@@ -477,6 +371,8 @@ impl ResponderHello {
 }
 
 impl ::protobuf::Message for ResponderHello {
+    const NAME: &'static str = "ResponderHello";
+
     fn is_initialized(&self) -> bool {
         for v in &self.public_dh_key {
             if !v.is_initialized() {
@@ -486,22 +382,17 @@ impl ::protobuf::Message for ResponderHello {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.public_dh_key)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.public_dh_key)?;
                 },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.protocol_version = ::std::option::Option::Some(tmp);
+                16 => {
+                    self.protocol_version = ::std::option::Option::Some(is.read_int32()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -510,92 +401,72 @@ impl ::protobuf::Message for ResponderHello {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.public_dh_key.as_ref() {
+        if let Some(v) = self.public_dh_key.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
         if let Some(v) = self.protocol_version {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(2, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.public_dh_key.as_ref() {
-            os.write_tag(1, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.public_dh_key.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(1, v, os)?;
         }
         if let Some(v) = self.protocol_version {
             os.write_int32(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> ResponderHello {
         ResponderHello::new()
     }
 
-    fn default_instance() -> &'static ResponderHello {
-        static instance: ::protobuf::rt::LazyV2<ResponderHello> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(ResponderHello::new)
-    }
-}
-
-impl ::protobuf::Clear for ResponderHello {
     fn clear(&mut self) {
         self.public_dh_key.clear();
         self.protocol_version = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for ResponderHello {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static ResponderHello {
+        static instance: ResponderHello = ResponderHello {
+            public_dh_key: ::protobuf::MessageField::none(),
+            protocol_version: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.EcPoint)
 pub struct EcPoint {
     // message fields
-    curve: ::std::option::Option<Curve>,
-    x: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    y: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.EcPoint.curve)
+    pub curve: ::std::option::Option<::protobuf::EnumOrUnknown<Curve>>,
+    // @@protoc_insertion_point(field:securegcm.EcPoint.x)
+    pub x: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.EcPoint.y)
+    pub y: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.EcPoint.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a EcPoint {
@@ -611,10 +482,13 @@ impl EcPoint {
 
     // required .securegcm.Curve curve = 1;
 
-
-    pub fn get_curve(&self) -> Curve {
-        self.curve.unwrap_or(Curve::ED_25519)
+    pub fn curve(&self) -> Curve {
+        match self.curve {
+            Some(e) => e.enum_value_or(Curve::ED_25519),
+            None => Curve::ED_25519,
+        }
     }
+
     pub fn clear_curve(&mut self) {
         self.curve = ::std::option::Option::None;
     }
@@ -625,20 +499,20 @@ impl EcPoint {
 
     // Param is passed by value, moved
     pub fn set_curve(&mut self, v: Curve) {
-        self.curve = ::std::option::Option::Some(v);
+        self.curve = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // required bytes x = 2;
 
-
-    pub fn get_x(&self) -> &[u8] {
+    pub fn x(&self) -> &[u8] {
         match self.x.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_x(&mut self) {
-        self.x.clear();
+        self.x = ::std::option::Option::None;
     }
 
     pub fn has_x(&self) -> bool {
@@ -647,14 +521,14 @@ impl EcPoint {
 
     // Param is passed by value, moved
     pub fn set_x(&mut self, v: ::std::vec::Vec<u8>) {
-        self.x = ::protobuf::SingularField::some(v);
+        self.x = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_x(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.x.is_none() {
-            self.x.set_default();
+            self.x = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.x.as_mut().unwrap()
     }
@@ -666,15 +540,15 @@ impl EcPoint {
 
     // required bytes y = 3;
 
-
-    pub fn get_y(&self) -> &[u8] {
+    pub fn y(&self) -> &[u8] {
         match self.y.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_y(&mut self) {
-        self.y.clear();
+        self.y = ::std::option::Option::None;
     }
 
     pub fn has_y(&self) -> bool {
@@ -683,14 +557,14 @@ impl EcPoint {
 
     // Param is passed by value, moved
     pub fn set_y(&mut self, v: ::std::vec::Vec<u8>) {
-        self.y = ::protobuf::SingularField::some(v);
+        self.y = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_y(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.y.is_none() {
-            self.y.set_default();
+            self.y = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.y.as_mut().unwrap()
     }
@@ -702,6 +576,8 @@ impl EcPoint {
 }
 
 impl ::protobuf::Message for EcPoint {
+    const NAME: &'static str = "EcPoint";
+
     fn is_initialized(&self) -> bool {
         if self.curve.is_none() {
             return false;
@@ -715,21 +591,20 @@ impl ::protobuf::Message for EcPoint {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.curve, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.curve = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.x)?;
+                18 => {
+                    self.x = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                3 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.y)?;
+                26 => {
+                    self.y = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -738,97 +613,81 @@ impl ::protobuf::Message for EcPoint {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.curve {
-            my_size += ::protobuf::rt::enum_size(1, v);
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
-        if let Some(ref v) = self.x.as_ref() {
+        if let Some(v) = self.x.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        if let Some(ref v) = self.y.as_ref() {
+        if let Some(v) = self.y.as_ref() {
             my_size += ::protobuf::rt::bytes_size(3, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.curve {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.x.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.x.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        if let Some(ref v) = self.y.as_ref() {
-            os.write_bytes(3, &v)?;
+        if let Some(v) = self.y.as_ref() {
+            os.write_bytes(3, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> EcPoint {
         EcPoint::new()
     }
 
-    fn default_instance() -> &'static EcPoint {
-        static instance: ::protobuf::rt::LazyV2<EcPoint> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(EcPoint::new)
-    }
-}
-
-impl ::protobuf::Clear for EcPoint {
     fn clear(&mut self) {
         self.curve = ::std::option::Option::None;
-        self.x.clear();
-        self.y.clear();
-        self.unknown_fields.clear();
+        self.x = ::std::option::Option::None;
+        self.y = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for EcPoint {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static EcPoint {
+        static instance: EcPoint = EcPoint {
+            curve: ::std::option::Option::None,
+            x: ::std::option::Option::None,
+            y: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.SpakeHandshakeMessage)
 pub struct SpakeHandshakeMessage {
     // message fields
-    flow_number: ::std::option::Option<i32>,
-    pub ec_point: ::protobuf::SingularPtrField<EcPoint>,
-    hash_value: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    payload: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.SpakeHandshakeMessage.flow_number)
+    pub flow_number: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.SpakeHandshakeMessage.ec_point)
+    pub ec_point: ::protobuf::MessageField<EcPoint>,
+    // @@protoc_insertion_point(field:securegcm.SpakeHandshakeMessage.hash_value)
+    pub hash_value: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.SpakeHandshakeMessage.payload)
+    pub payload: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.SpakeHandshakeMessage.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a SpakeHandshakeMessage {
@@ -844,10 +703,10 @@ impl SpakeHandshakeMessage {
 
     // optional int32 flow_number = 1;
 
-
-    pub fn get_flow_number(&self) -> i32 {
+    pub fn flow_number(&self) -> i32 {
         self.flow_number.unwrap_or(0)
     }
+
     pub fn clear_flow_number(&mut self) {
         self.flow_number = ::std::option::Option::None;
     }
@@ -861,50 +720,17 @@ impl SpakeHandshakeMessage {
         self.flow_number = ::std::option::Option::Some(v);
     }
 
-    // optional .securegcm.EcPoint ec_point = 2;
-
-
-    pub fn get_ec_point(&self) -> &EcPoint {
-        self.ec_point.as_ref().unwrap_or_else(|| <EcPoint as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_ec_point(&mut self) {
-        self.ec_point.clear();
-    }
-
-    pub fn has_ec_point(&self) -> bool {
-        self.ec_point.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_ec_point(&mut self, v: EcPoint) {
-        self.ec_point = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_ec_point(&mut self) -> &mut EcPoint {
-        if self.ec_point.is_none() {
-            self.ec_point.set_default();
-        }
-        self.ec_point.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_ec_point(&mut self) -> EcPoint {
-        self.ec_point.take().unwrap_or_else(|| EcPoint::new())
-    }
-
     // optional bytes hash_value = 3;
 
-
-    pub fn get_hash_value(&self) -> &[u8] {
+    pub fn hash_value(&self) -> &[u8] {
         match self.hash_value.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_hash_value(&mut self) {
-        self.hash_value.clear();
+        self.hash_value = ::std::option::Option::None;
     }
 
     pub fn has_hash_value(&self) -> bool {
@@ -913,14 +739,14 @@ impl SpakeHandshakeMessage {
 
     // Param is passed by value, moved
     pub fn set_hash_value(&mut self, v: ::std::vec::Vec<u8>) {
-        self.hash_value = ::protobuf::SingularField::some(v);
+        self.hash_value = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_hash_value(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.hash_value.is_none() {
-            self.hash_value.set_default();
+            self.hash_value = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.hash_value.as_mut().unwrap()
     }
@@ -932,15 +758,15 @@ impl SpakeHandshakeMessage {
 
     // optional bytes payload = 4;
 
-
-    pub fn get_payload(&self) -> &[u8] {
+    pub fn payload(&self) -> &[u8] {
         match self.payload.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_payload(&mut self) {
-        self.payload.clear();
+        self.payload = ::std::option::Option::None;
     }
 
     pub fn has_payload(&self) -> bool {
@@ -949,14 +775,14 @@ impl SpakeHandshakeMessage {
 
     // Param is passed by value, moved
     pub fn set_payload(&mut self, v: ::std::vec::Vec<u8>) {
-        self.payload = ::protobuf::SingularField::some(v);
+        self.payload = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_payload(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.payload.is_none() {
-            self.payload.set_default();
+            self.payload = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.payload.as_mut().unwrap()
     }
@@ -968,6 +794,8 @@ impl SpakeHandshakeMessage {
 }
 
 impl ::protobuf::Message for SpakeHandshakeMessage {
+    const NAME: &'static str = "SpakeHandshakeMessage";
+
     fn is_initialized(&self) -> bool {
         for v in &self.ec_point {
             if !v.is_initialized() {
@@ -977,28 +805,23 @@ impl ::protobuf::Message for SpakeHandshakeMessage {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.flow_number = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.flow_number = ::std::option::Option::Some(is.read_int32()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.ec_point)?;
+                18 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.ec_point)?;
                 },
-                3 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.hash_value)?;
+                26 => {
+                    self.hash_value = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.payload)?;
+                34 => {
+                    self.payload = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1007,103 +830,85 @@ impl ::protobuf::Message for SpakeHandshakeMessage {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.flow_number {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(1, v);
         }
-        if let Some(ref v) = self.ec_point.as_ref() {
+        if let Some(v) = self.ec_point.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
-        if let Some(ref v) = self.hash_value.as_ref() {
+        if let Some(v) = self.hash_value.as_ref() {
             my_size += ::protobuf::rt::bytes_size(3, &v);
         }
-        if let Some(ref v) = self.payload.as_ref() {
+        if let Some(v) = self.payload.as_ref() {
             my_size += ::protobuf::rt::bytes_size(4, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.flow_number {
             os.write_int32(1, v)?;
         }
-        if let Some(ref v) = self.ec_point.as_ref() {
-            os.write_tag(2, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+        if let Some(v) = self.ec_point.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(2, v, os)?;
         }
-        if let Some(ref v) = self.hash_value.as_ref() {
-            os.write_bytes(3, &v)?;
+        if let Some(v) = self.hash_value.as_ref() {
+            os.write_bytes(3, v)?;
         }
-        if let Some(ref v) = self.payload.as_ref() {
-            os.write_bytes(4, &v)?;
+        if let Some(v) = self.payload.as_ref() {
+            os.write_bytes(4, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> SpakeHandshakeMessage {
         SpakeHandshakeMessage::new()
     }
 
-    fn default_instance() -> &'static SpakeHandshakeMessage {
-        static instance: ::protobuf::rt::LazyV2<SpakeHandshakeMessage> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(SpakeHandshakeMessage::new)
-    }
-}
-
-impl ::protobuf::Clear for SpakeHandshakeMessage {
     fn clear(&mut self) {
         self.flow_number = ::std::option::Option::None;
         self.ec_point.clear();
-        self.hash_value.clear();
-        self.payload.clear();
-        self.unknown_fields.clear();
+        self.hash_value = ::std::option::Option::None;
+        self.payload = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for SpakeHandshakeMessage {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static SpakeHandshakeMessage {
+        static instance: SpakeHandshakeMessage = SpakeHandshakeMessage {
+            flow_number: ::std::option::Option::None,
+            ec_point: ::protobuf::MessageField::none(),
+            hash_value: ::std::option::Option::None,
+            payload: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.Curve)
 pub enum Curve {
+    // @@protoc_insertion_point(enum_value:securegcm.Curve.ED_25519)
     ED_25519 = 1,
 }
 
-impl ::protobuf::ProtobufEnum for Curve {
+impl ::protobuf::Enum for Curve {
+    const NAME: &'static str = "Curve";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -1115,15 +920,9 @@ impl ::protobuf::ProtobufEnum for Curve {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [Curve] = &[
-            Curve::ED_25519,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for Curve {
+    const VALUES: &'static [Curve] = &[
+        Curve::ED_25519,
+    ];
 }
 
 // Note, `Default` is implemented although default value is not 0
@@ -1133,8 +932,3 @@ impl ::std::default::Default for Curve {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for Curve {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
diff --git a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securegcm.rs b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securegcm.rs
index 8a908b1..3231440 100644
--- a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securegcm.rs
+++ b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securegcm.rs
@@ -12,7 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This file is generated by rust-protobuf 2.28.0. Do not edit
+// This file is generated by rust-protobuf 3.2.0. Do not edit
+// .proto file is parsed by protoc 3.19.1
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -29,58 +30,99 @@
 #![allow(non_snake_case)]
 #![allow(non_upper_case_globals)]
 #![allow(trivial_casts)]
-#![allow(unused_imports)]
 #![allow(unused_results)]
+#![allow(unused_mut)]
+
 //! Generated file from `securegcm.proto`
+// Generated for lite runtime
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_28_0;
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_2_0;
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.GcmDeviceInfo)
 pub struct GcmDeviceInfo {
     // message fields
-    android_device_id: ::std::option::Option<u64>,
-    gcm_registration_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    apn_registration_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    notification_enabled: ::std::option::Option<bool>,
-    bluetooth_mac_address: ::protobuf::SingularField<::std::string::String>,
-    device_master_key_hash: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    user_public_key: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    device_model: ::protobuf::SingularField<::std::string::String>,
-    locale: ::protobuf::SingularField<::std::string::String>,
-    key_handle: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    counter: ::std::option::Option<i64>,
-    device_os_version: ::protobuf::SingularField<::std::string::String>,
-    device_os_version_code: ::std::option::Option<i64>,
-    device_os_release: ::protobuf::SingularField<::std::string::String>,
-    device_os_codename: ::protobuf::SingularField<::std::string::String>,
-    device_software_version: ::protobuf::SingularField<::std::string::String>,
-    device_software_version_code: ::std::option::Option<i64>,
-    device_software_package: ::protobuf::SingularField<::std::string::String>,
-    device_display_diagonal_mils: ::std::option::Option<i32>,
-    device_authzen_version: ::std::option::Option<i32>,
-    long_device_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    device_manufacturer: ::protobuf::SingularField<::std::string::String>,
-    device_type: ::std::option::Option<DeviceType>,
-    using_secure_screenlock: ::std::option::Option<bool>,
-    auto_unlock_screenlock_supported: ::std::option::Option<bool>,
-    auto_unlock_screenlock_enabled: ::std::option::Option<bool>,
-    bluetooth_radio_supported: ::std::option::Option<bool>,
-    bluetooth_radio_enabled: ::std::option::Option<bool>,
-    mobile_data_supported: ::std::option::Option<bool>,
-    tethering_supported: ::std::option::Option<bool>,
-    ble_radio_supported: ::std::option::Option<bool>,
-    pixel_experience: ::std::option::Option<bool>,
-    arc_plus_plus: ::std::option::Option<bool>,
-    is_screenlock_state_flaky: ::std::option::Option<bool>,
-    pub supported_software_features: ::std::vec::Vec<SoftwareFeature>,
-    pub enabled_software_features: ::std::vec::Vec<SoftwareFeature>,
-    enrollment_session_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    oauth_token: ::protobuf::SingularField<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.android_device_id)
+    pub android_device_id: ::std::option::Option<u64>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.gcm_registration_id)
+    pub gcm_registration_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.apn_registration_id)
+    pub apn_registration_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.notification_enabled)
+    pub notification_enabled: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.bluetooth_mac_address)
+    pub bluetooth_mac_address: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_master_key_hash)
+    pub device_master_key_hash: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.user_public_key)
+    pub user_public_key: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_model)
+    pub device_model: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.locale)
+    pub locale: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.key_handle)
+    pub key_handle: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.counter)
+    pub counter: ::std::option::Option<i64>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_os_version)
+    pub device_os_version: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_os_version_code)
+    pub device_os_version_code: ::std::option::Option<i64>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_os_release)
+    pub device_os_release: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_os_codename)
+    pub device_os_codename: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_software_version)
+    pub device_software_version: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_software_version_code)
+    pub device_software_version_code: ::std::option::Option<i64>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_software_package)
+    pub device_software_package: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_display_diagonal_mils)
+    pub device_display_diagonal_mils: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_authzen_version)
+    pub device_authzen_version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.long_device_id)
+    pub long_device_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_manufacturer)
+    pub device_manufacturer: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.device_type)
+    pub device_type: ::std::option::Option<::protobuf::EnumOrUnknown<DeviceType>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.using_secure_screenlock)
+    pub using_secure_screenlock: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.auto_unlock_screenlock_supported)
+    pub auto_unlock_screenlock_supported: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.auto_unlock_screenlock_enabled)
+    pub auto_unlock_screenlock_enabled: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.bluetooth_radio_supported)
+    pub bluetooth_radio_supported: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.bluetooth_radio_enabled)
+    pub bluetooth_radio_enabled: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.mobile_data_supported)
+    pub mobile_data_supported: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.tethering_supported)
+    pub tethering_supported: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.ble_radio_supported)
+    pub ble_radio_supported: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.pixel_experience)
+    pub pixel_experience: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.arc_plus_plus)
+    pub arc_plus_plus: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.is_screenlock_state_flaky)
+    pub is_screenlock_state_flaky: ::std::option::Option<bool>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.supported_software_features)
+    pub supported_software_features: ::std::vec::Vec<::protobuf::EnumOrUnknown<SoftwareFeature>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.enabled_software_features)
+    pub enabled_software_features: ::std::vec::Vec<::protobuf::EnumOrUnknown<SoftwareFeature>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.enrollment_session_id)
+    pub enrollment_session_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.GcmDeviceInfo.oauth_token)
+    pub oauth_token: ::std::option::Option<::std::string::String>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.GcmDeviceInfo.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a GcmDeviceInfo {
@@ -96,10 +138,10 @@ impl GcmDeviceInfo {
 
     // optional fixed64 android_device_id = 1;
 
-
-    pub fn get_android_device_id(&self) -> u64 {
+    pub fn android_device_id(&self) -> u64 {
         self.android_device_id.unwrap_or(0)
     }
+
     pub fn clear_android_device_id(&mut self) {
         self.android_device_id = ::std::option::Option::None;
     }
@@ -115,15 +157,15 @@ impl GcmDeviceInfo {
 
     // optional bytes gcm_registration_id = 102;
 
-
-    pub fn get_gcm_registration_id(&self) -> &[u8] {
+    pub fn gcm_registration_id(&self) -> &[u8] {
         match self.gcm_registration_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_gcm_registration_id(&mut self) {
-        self.gcm_registration_id.clear();
+        self.gcm_registration_id = ::std::option::Option::None;
     }
 
     pub fn has_gcm_registration_id(&self) -> bool {
@@ -132,14 +174,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_gcm_registration_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.gcm_registration_id = ::protobuf::SingularField::some(v);
+        self.gcm_registration_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_gcm_registration_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.gcm_registration_id.is_none() {
-            self.gcm_registration_id.set_default();
+            self.gcm_registration_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.gcm_registration_id.as_mut().unwrap()
     }
@@ -151,15 +193,15 @@ impl GcmDeviceInfo {
 
     // optional bytes apn_registration_id = 202;
 
-
-    pub fn get_apn_registration_id(&self) -> &[u8] {
+    pub fn apn_registration_id(&self) -> &[u8] {
         match self.apn_registration_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_apn_registration_id(&mut self) {
-        self.apn_registration_id.clear();
+        self.apn_registration_id = ::std::option::Option::None;
     }
 
     pub fn has_apn_registration_id(&self) -> bool {
@@ -168,14 +210,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_apn_registration_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.apn_registration_id = ::protobuf::SingularField::some(v);
+        self.apn_registration_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_apn_registration_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.apn_registration_id.is_none() {
-            self.apn_registration_id.set_default();
+            self.apn_registration_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.apn_registration_id.as_mut().unwrap()
     }
@@ -187,10 +229,10 @@ impl GcmDeviceInfo {
 
     // optional bool notification_enabled = 203;
 
-
-    pub fn get_notification_enabled(&self) -> bool {
+    pub fn notification_enabled(&self) -> bool {
         self.notification_enabled.unwrap_or(true)
     }
+
     pub fn clear_notification_enabled(&mut self) {
         self.notification_enabled = ::std::option::Option::None;
     }
@@ -206,15 +248,15 @@ impl GcmDeviceInfo {
 
     // optional string bluetooth_mac_address = 302;
 
-
-    pub fn get_bluetooth_mac_address(&self) -> &str {
+    pub fn bluetooth_mac_address(&self) -> &str {
         match self.bluetooth_mac_address.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_bluetooth_mac_address(&mut self) {
-        self.bluetooth_mac_address.clear();
+        self.bluetooth_mac_address = ::std::option::Option::None;
     }
 
     pub fn has_bluetooth_mac_address(&self) -> bool {
@@ -223,14 +265,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_bluetooth_mac_address(&mut self, v: ::std::string::String) {
-        self.bluetooth_mac_address = ::protobuf::SingularField::some(v);
+        self.bluetooth_mac_address = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_bluetooth_mac_address(&mut self) -> &mut ::std::string::String {
         if self.bluetooth_mac_address.is_none() {
-            self.bluetooth_mac_address.set_default();
+            self.bluetooth_mac_address = ::std::option::Option::Some(::std::string::String::new());
         }
         self.bluetooth_mac_address.as_mut().unwrap()
     }
@@ -242,15 +284,15 @@ impl GcmDeviceInfo {
 
     // optional bytes device_master_key_hash = 103;
 
-
-    pub fn get_device_master_key_hash(&self) -> &[u8] {
+    pub fn device_master_key_hash(&self) -> &[u8] {
         match self.device_master_key_hash.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_device_master_key_hash(&mut self) {
-        self.device_master_key_hash.clear();
+        self.device_master_key_hash = ::std::option::Option::None;
     }
 
     pub fn has_device_master_key_hash(&self) -> bool {
@@ -259,14 +301,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_master_key_hash(&mut self, v: ::std::vec::Vec<u8>) {
-        self.device_master_key_hash = ::protobuf::SingularField::some(v);
+        self.device_master_key_hash = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_master_key_hash(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.device_master_key_hash.is_none() {
-            self.device_master_key_hash.set_default();
+            self.device_master_key_hash = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.device_master_key_hash.as_mut().unwrap()
     }
@@ -278,15 +320,15 @@ impl GcmDeviceInfo {
 
     // required bytes user_public_key = 4;
 
-
-    pub fn get_user_public_key(&self) -> &[u8] {
+    pub fn user_public_key(&self) -> &[u8] {
         match self.user_public_key.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_user_public_key(&mut self) {
-        self.user_public_key.clear();
+        self.user_public_key = ::std::option::Option::None;
     }
 
     pub fn has_user_public_key(&self) -> bool {
@@ -295,14 +337,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_user_public_key(&mut self, v: ::std::vec::Vec<u8>) {
-        self.user_public_key = ::protobuf::SingularField::some(v);
+        self.user_public_key = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_user_public_key(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.user_public_key.is_none() {
-            self.user_public_key.set_default();
+            self.user_public_key = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.user_public_key.as_mut().unwrap()
     }
@@ -314,15 +356,15 @@ impl GcmDeviceInfo {
 
     // optional string device_model = 7;
 
-
-    pub fn get_device_model(&self) -> &str {
+    pub fn device_model(&self) -> &str {
         match self.device_model.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_model(&mut self) {
-        self.device_model.clear();
+        self.device_model = ::std::option::Option::None;
     }
 
     pub fn has_device_model(&self) -> bool {
@@ -331,14 +373,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_model(&mut self, v: ::std::string::String) {
-        self.device_model = ::protobuf::SingularField::some(v);
+        self.device_model = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_model(&mut self) -> &mut ::std::string::String {
         if self.device_model.is_none() {
-            self.device_model.set_default();
+            self.device_model = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_model.as_mut().unwrap()
     }
@@ -350,15 +392,15 @@ impl GcmDeviceInfo {
 
     // optional string locale = 8;
 
-
-    pub fn get_locale(&self) -> &str {
+    pub fn locale(&self) -> &str {
         match self.locale.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_locale(&mut self) {
-        self.locale.clear();
+        self.locale = ::std::option::Option::None;
     }
 
     pub fn has_locale(&self) -> bool {
@@ -367,14 +409,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_locale(&mut self, v: ::std::string::String) {
-        self.locale = ::protobuf::SingularField::some(v);
+        self.locale = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_locale(&mut self) -> &mut ::std::string::String {
         if self.locale.is_none() {
-            self.locale.set_default();
+            self.locale = ::std::option::Option::Some(::std::string::String::new());
         }
         self.locale.as_mut().unwrap()
     }
@@ -386,15 +428,15 @@ impl GcmDeviceInfo {
 
     // optional bytes key_handle = 9;
 
-
-    pub fn get_key_handle(&self) -> &[u8] {
+    pub fn key_handle(&self) -> &[u8] {
         match self.key_handle.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_key_handle(&mut self) {
-        self.key_handle.clear();
+        self.key_handle = ::std::option::Option::None;
     }
 
     pub fn has_key_handle(&self) -> bool {
@@ -403,14 +445,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_key_handle(&mut self, v: ::std::vec::Vec<u8>) {
-        self.key_handle = ::protobuf::SingularField::some(v);
+        self.key_handle = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_key_handle(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.key_handle.is_none() {
-            self.key_handle.set_default();
+            self.key_handle = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.key_handle.as_mut().unwrap()
     }
@@ -422,10 +464,10 @@ impl GcmDeviceInfo {
 
     // optional int64 counter = 12;
 
-
-    pub fn get_counter(&self) -> i64 {
+    pub fn counter(&self) -> i64 {
         self.counter.unwrap_or(0i64)
     }
+
     pub fn clear_counter(&mut self) {
         self.counter = ::std::option::Option::None;
     }
@@ -441,15 +483,15 @@ impl GcmDeviceInfo {
 
     // optional string device_os_version = 13;
 
-
-    pub fn get_device_os_version(&self) -> &str {
+    pub fn device_os_version(&self) -> &str {
         match self.device_os_version.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_os_version(&mut self) {
-        self.device_os_version.clear();
+        self.device_os_version = ::std::option::Option::None;
     }
 
     pub fn has_device_os_version(&self) -> bool {
@@ -458,14 +500,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_os_version(&mut self, v: ::std::string::String) {
-        self.device_os_version = ::protobuf::SingularField::some(v);
+        self.device_os_version = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_os_version(&mut self) -> &mut ::std::string::String {
         if self.device_os_version.is_none() {
-            self.device_os_version.set_default();
+            self.device_os_version = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_os_version.as_mut().unwrap()
     }
@@ -477,10 +519,10 @@ impl GcmDeviceInfo {
 
     // optional int64 device_os_version_code = 14;
 
-
-    pub fn get_device_os_version_code(&self) -> i64 {
+    pub fn device_os_version_code(&self) -> i64 {
         self.device_os_version_code.unwrap_or(0)
     }
+
     pub fn clear_device_os_version_code(&mut self) {
         self.device_os_version_code = ::std::option::Option::None;
     }
@@ -496,15 +538,15 @@ impl GcmDeviceInfo {
 
     // optional string device_os_release = 15;
 
-
-    pub fn get_device_os_release(&self) -> &str {
+    pub fn device_os_release(&self) -> &str {
         match self.device_os_release.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_os_release(&mut self) {
-        self.device_os_release.clear();
+        self.device_os_release = ::std::option::Option::None;
     }
 
     pub fn has_device_os_release(&self) -> bool {
@@ -513,14 +555,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_os_release(&mut self, v: ::std::string::String) {
-        self.device_os_release = ::protobuf::SingularField::some(v);
+        self.device_os_release = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_os_release(&mut self) -> &mut ::std::string::String {
         if self.device_os_release.is_none() {
-            self.device_os_release.set_default();
+            self.device_os_release = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_os_release.as_mut().unwrap()
     }
@@ -532,15 +574,15 @@ impl GcmDeviceInfo {
 
     // optional string device_os_codename = 16;
 
-
-    pub fn get_device_os_codename(&self) -> &str {
+    pub fn device_os_codename(&self) -> &str {
         match self.device_os_codename.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_os_codename(&mut self) {
-        self.device_os_codename.clear();
+        self.device_os_codename = ::std::option::Option::None;
     }
 
     pub fn has_device_os_codename(&self) -> bool {
@@ -549,14 +591,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_os_codename(&mut self, v: ::std::string::String) {
-        self.device_os_codename = ::protobuf::SingularField::some(v);
+        self.device_os_codename = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_os_codename(&mut self) -> &mut ::std::string::String {
         if self.device_os_codename.is_none() {
-            self.device_os_codename.set_default();
+            self.device_os_codename = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_os_codename.as_mut().unwrap()
     }
@@ -568,15 +610,15 @@ impl GcmDeviceInfo {
 
     // optional string device_software_version = 17;
 
-
-    pub fn get_device_software_version(&self) -> &str {
+    pub fn device_software_version(&self) -> &str {
         match self.device_software_version.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_software_version(&mut self) {
-        self.device_software_version.clear();
+        self.device_software_version = ::std::option::Option::None;
     }
 
     pub fn has_device_software_version(&self) -> bool {
@@ -585,14 +627,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_software_version(&mut self, v: ::std::string::String) {
-        self.device_software_version = ::protobuf::SingularField::some(v);
+        self.device_software_version = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_software_version(&mut self) -> &mut ::std::string::String {
         if self.device_software_version.is_none() {
-            self.device_software_version.set_default();
+            self.device_software_version = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_software_version.as_mut().unwrap()
     }
@@ -604,10 +646,10 @@ impl GcmDeviceInfo {
 
     // optional int64 device_software_version_code = 18;
 
-
-    pub fn get_device_software_version_code(&self) -> i64 {
+    pub fn device_software_version_code(&self) -> i64 {
         self.device_software_version_code.unwrap_or(0)
     }
+
     pub fn clear_device_software_version_code(&mut self) {
         self.device_software_version_code = ::std::option::Option::None;
     }
@@ -623,15 +665,15 @@ impl GcmDeviceInfo {
 
     // optional string device_software_package = 19;
 
-
-    pub fn get_device_software_package(&self) -> &str {
+    pub fn device_software_package(&self) -> &str {
         match self.device_software_package.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_software_package(&mut self) {
-        self.device_software_package.clear();
+        self.device_software_package = ::std::option::Option::None;
     }
 
     pub fn has_device_software_package(&self) -> bool {
@@ -640,14 +682,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_software_package(&mut self, v: ::std::string::String) {
-        self.device_software_package = ::protobuf::SingularField::some(v);
+        self.device_software_package = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_software_package(&mut self) -> &mut ::std::string::String {
         if self.device_software_package.is_none() {
-            self.device_software_package.set_default();
+            self.device_software_package = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_software_package.as_mut().unwrap()
     }
@@ -659,10 +701,10 @@ impl GcmDeviceInfo {
 
     // optional int32 device_display_diagonal_mils = 22;
 
-
-    pub fn get_device_display_diagonal_mils(&self) -> i32 {
+    pub fn device_display_diagonal_mils(&self) -> i32 {
         self.device_display_diagonal_mils.unwrap_or(0)
     }
+
     pub fn clear_device_display_diagonal_mils(&mut self) {
         self.device_display_diagonal_mils = ::std::option::Option::None;
     }
@@ -678,10 +720,10 @@ impl GcmDeviceInfo {
 
     // optional int32 device_authzen_version = 24;
 
-
-    pub fn get_device_authzen_version(&self) -> i32 {
+    pub fn device_authzen_version(&self) -> i32 {
         self.device_authzen_version.unwrap_or(0)
     }
+
     pub fn clear_device_authzen_version(&mut self) {
         self.device_authzen_version = ::std::option::Option::None;
     }
@@ -697,15 +739,15 @@ impl GcmDeviceInfo {
 
     // optional bytes long_device_id = 29;
 
-
-    pub fn get_long_device_id(&self) -> &[u8] {
+    pub fn long_device_id(&self) -> &[u8] {
         match self.long_device_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_long_device_id(&mut self) {
-        self.long_device_id.clear();
+        self.long_device_id = ::std::option::Option::None;
     }
 
     pub fn has_long_device_id(&self) -> bool {
@@ -714,14 +756,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_long_device_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.long_device_id = ::protobuf::SingularField::some(v);
+        self.long_device_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_long_device_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.long_device_id.is_none() {
-            self.long_device_id.set_default();
+            self.long_device_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.long_device_id.as_mut().unwrap()
     }
@@ -733,15 +775,15 @@ impl GcmDeviceInfo {
 
     // optional string device_manufacturer = 31;
 
-
-    pub fn get_device_manufacturer(&self) -> &str {
+    pub fn device_manufacturer(&self) -> &str {
         match self.device_manufacturer.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_device_manufacturer(&mut self) {
-        self.device_manufacturer.clear();
+        self.device_manufacturer = ::std::option::Option::None;
     }
 
     pub fn has_device_manufacturer(&self) -> bool {
@@ -750,14 +792,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_manufacturer(&mut self, v: ::std::string::String) {
-        self.device_manufacturer = ::protobuf::SingularField::some(v);
+        self.device_manufacturer = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_device_manufacturer(&mut self) -> &mut ::std::string::String {
         if self.device_manufacturer.is_none() {
-            self.device_manufacturer.set_default();
+            self.device_manufacturer = ::std::option::Option::Some(::std::string::String::new());
         }
         self.device_manufacturer.as_mut().unwrap()
     }
@@ -769,10 +811,13 @@ impl GcmDeviceInfo {
 
     // optional .securegcm.DeviceType device_type = 32;
 
-
-    pub fn get_device_type(&self) -> DeviceType {
-        self.device_type.unwrap_or(DeviceType::ANDROID)
+    pub fn device_type(&self) -> DeviceType {
+        match self.device_type {
+            Some(e) => e.enum_value_or(DeviceType::ANDROID),
+            None => DeviceType::ANDROID,
+        }
     }
+
     pub fn clear_device_type(&mut self) {
         self.device_type = ::std::option::Option::None;
     }
@@ -783,15 +828,15 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_device_type(&mut self, v: DeviceType) {
-        self.device_type = ::std::option::Option::Some(v);
+        self.device_type = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional bool using_secure_screenlock = 400;
 
-
-    pub fn get_using_secure_screenlock(&self) -> bool {
+    pub fn using_secure_screenlock(&self) -> bool {
         self.using_secure_screenlock.unwrap_or(false)
     }
+
     pub fn clear_using_secure_screenlock(&mut self) {
         self.using_secure_screenlock = ::std::option::Option::None;
     }
@@ -807,10 +852,10 @@ impl GcmDeviceInfo {
 
     // optional bool auto_unlock_screenlock_supported = 401;
 
-
-    pub fn get_auto_unlock_screenlock_supported(&self) -> bool {
+    pub fn auto_unlock_screenlock_supported(&self) -> bool {
         self.auto_unlock_screenlock_supported.unwrap_or(false)
     }
+
     pub fn clear_auto_unlock_screenlock_supported(&mut self) {
         self.auto_unlock_screenlock_supported = ::std::option::Option::None;
     }
@@ -826,10 +871,10 @@ impl GcmDeviceInfo {
 
     // optional bool auto_unlock_screenlock_enabled = 402;
 
-
-    pub fn get_auto_unlock_screenlock_enabled(&self) -> bool {
+    pub fn auto_unlock_screenlock_enabled(&self) -> bool {
         self.auto_unlock_screenlock_enabled.unwrap_or(false)
     }
+
     pub fn clear_auto_unlock_screenlock_enabled(&mut self) {
         self.auto_unlock_screenlock_enabled = ::std::option::Option::None;
     }
@@ -845,10 +890,10 @@ impl GcmDeviceInfo {
 
     // optional bool bluetooth_radio_supported = 403;
 
-
-    pub fn get_bluetooth_radio_supported(&self) -> bool {
+    pub fn bluetooth_radio_supported(&self) -> bool {
         self.bluetooth_radio_supported.unwrap_or(false)
     }
+
     pub fn clear_bluetooth_radio_supported(&mut self) {
         self.bluetooth_radio_supported = ::std::option::Option::None;
     }
@@ -864,10 +909,10 @@ impl GcmDeviceInfo {
 
     // optional bool bluetooth_radio_enabled = 404;
 
-
-    pub fn get_bluetooth_radio_enabled(&self) -> bool {
+    pub fn bluetooth_radio_enabled(&self) -> bool {
         self.bluetooth_radio_enabled.unwrap_or(false)
     }
+
     pub fn clear_bluetooth_radio_enabled(&mut self) {
         self.bluetooth_radio_enabled = ::std::option::Option::None;
     }
@@ -883,10 +928,10 @@ impl GcmDeviceInfo {
 
     // optional bool mobile_data_supported = 405;
 
-
-    pub fn get_mobile_data_supported(&self) -> bool {
+    pub fn mobile_data_supported(&self) -> bool {
         self.mobile_data_supported.unwrap_or(false)
     }
+
     pub fn clear_mobile_data_supported(&mut self) {
         self.mobile_data_supported = ::std::option::Option::None;
     }
@@ -902,10 +947,10 @@ impl GcmDeviceInfo {
 
     // optional bool tethering_supported = 406;
 
-
-    pub fn get_tethering_supported(&self) -> bool {
+    pub fn tethering_supported(&self) -> bool {
         self.tethering_supported.unwrap_or(false)
     }
+
     pub fn clear_tethering_supported(&mut self) {
         self.tethering_supported = ::std::option::Option::None;
     }
@@ -921,10 +966,10 @@ impl GcmDeviceInfo {
 
     // optional bool ble_radio_supported = 407;
 
-
-    pub fn get_ble_radio_supported(&self) -> bool {
+    pub fn ble_radio_supported(&self) -> bool {
         self.ble_radio_supported.unwrap_or(false)
     }
+
     pub fn clear_ble_radio_supported(&mut self) {
         self.ble_radio_supported = ::std::option::Option::None;
     }
@@ -940,10 +985,10 @@ impl GcmDeviceInfo {
 
     // optional bool pixel_experience = 408;
 
-
-    pub fn get_pixel_experience(&self) -> bool {
+    pub fn pixel_experience(&self) -> bool {
         self.pixel_experience.unwrap_or(false)
     }
+
     pub fn clear_pixel_experience(&mut self) {
         self.pixel_experience = ::std::option::Option::None;
     }
@@ -959,10 +1004,10 @@ impl GcmDeviceInfo {
 
     // optional bool arc_plus_plus = 409;
 
-
-    pub fn get_arc_plus_plus(&self) -> bool {
+    pub fn arc_plus_plus(&self) -> bool {
         self.arc_plus_plus.unwrap_or(false)
     }
+
     pub fn clear_arc_plus_plus(&mut self) {
         self.arc_plus_plus = ::std::option::Option::None;
     }
@@ -978,10 +1023,10 @@ impl GcmDeviceInfo {
 
     // optional bool is_screenlock_state_flaky = 410;
 
-
-    pub fn get_is_screenlock_state_flaky(&self) -> bool {
+    pub fn is_screenlock_state_flaky(&self) -> bool {
         self.is_screenlock_state_flaky.unwrap_or(false)
     }
+
     pub fn clear_is_screenlock_state_flaky(&mut self) {
         self.is_screenlock_state_flaky = ::std::option::Option::None;
     }
@@ -995,67 +1040,17 @@ impl GcmDeviceInfo {
         self.is_screenlock_state_flaky = ::std::option::Option::Some(v);
     }
 
-    // repeated .securegcm.SoftwareFeature supported_software_features = 411;
-
-
-    pub fn get_supported_software_features(&self) -> &[SoftwareFeature] {
-        &self.supported_software_features
-    }
-    pub fn clear_supported_software_features(&mut self) {
-        self.supported_software_features.clear();
-    }
-
-    // Param is passed by value, moved
-    pub fn set_supported_software_features(&mut self, v: ::std::vec::Vec<SoftwareFeature>) {
-        self.supported_software_features = v;
-    }
-
-    // Mutable pointer to the field.
-    pub fn mut_supported_software_features(&mut self) -> &mut ::std::vec::Vec<SoftwareFeature> {
-        &mut self.supported_software_features
-    }
-
-    // Take field
-    pub fn take_supported_software_features(&mut self) -> ::std::vec::Vec<SoftwareFeature> {
-        ::std::mem::replace(&mut self.supported_software_features, ::std::vec::Vec::new())
-    }
-
-    // repeated .securegcm.SoftwareFeature enabled_software_features = 412;
-
-
-    pub fn get_enabled_software_features(&self) -> &[SoftwareFeature] {
-        &self.enabled_software_features
-    }
-    pub fn clear_enabled_software_features(&mut self) {
-        self.enabled_software_features.clear();
-    }
-
-    // Param is passed by value, moved
-    pub fn set_enabled_software_features(&mut self, v: ::std::vec::Vec<SoftwareFeature>) {
-        self.enabled_software_features = v;
-    }
-
-    // Mutable pointer to the field.
-    pub fn mut_enabled_software_features(&mut self) -> &mut ::std::vec::Vec<SoftwareFeature> {
-        &mut self.enabled_software_features
-    }
-
-    // Take field
-    pub fn take_enabled_software_features(&mut self) -> ::std::vec::Vec<SoftwareFeature> {
-        ::std::mem::replace(&mut self.enabled_software_features, ::std::vec::Vec::new())
-    }
-
     // optional bytes enrollment_session_id = 1000;
 
-
-    pub fn get_enrollment_session_id(&self) -> &[u8] {
+    pub fn enrollment_session_id(&self) -> &[u8] {
         match self.enrollment_session_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_enrollment_session_id(&mut self) {
-        self.enrollment_session_id.clear();
+        self.enrollment_session_id = ::std::option::Option::None;
     }
 
     pub fn has_enrollment_session_id(&self) -> bool {
@@ -1064,14 +1059,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_enrollment_session_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.enrollment_session_id = ::protobuf::SingularField::some(v);
+        self.enrollment_session_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_enrollment_session_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.enrollment_session_id.is_none() {
-            self.enrollment_session_id.set_default();
+            self.enrollment_session_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.enrollment_session_id.as_mut().unwrap()
     }
@@ -1083,15 +1078,15 @@ impl GcmDeviceInfo {
 
     // optional string oauth_token = 1001;
 
-
-    pub fn get_oauth_token(&self) -> &str {
+    pub fn oauth_token(&self) -> &str {
         match self.oauth_token.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_oauth_token(&mut self) {
-        self.oauth_token.clear();
+        self.oauth_token = ::std::option::Option::None;
     }
 
     pub fn has_oauth_token(&self) -> bool {
@@ -1100,14 +1095,14 @@ impl GcmDeviceInfo {
 
     // Param is passed by value, moved
     pub fn set_oauth_token(&mut self, v: ::std::string::String) {
-        self.oauth_token = ::protobuf::SingularField::some(v);
+        self.oauth_token = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_oauth_token(&mut self) -> &mut ::std::string::String {
         if self.oauth_token.is_none() {
-            self.oauth_token.set_default();
+            self.oauth_token = ::std::option::Option::Some(::std::string::String::new());
         }
         self.oauth_token.as_mut().unwrap()
     }
@@ -1119,6 +1114,8 @@ impl GcmDeviceInfo {
 }
 
 impl ::protobuf::Message for GcmDeviceInfo {
+    const NAME: &'static str = "GcmDeviceInfo";
+
     fn is_initialized(&self) -> bool {
         if self.user_public_key.is_none() {
             return false;
@@ -1126,198 +1123,131 @@ impl ::protobuf::Message for GcmDeviceInfo {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeFixed64 {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_fixed64()?;
-                    self.android_device_id = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                9 => {
+                    self.android_device_id = ::std::option::Option::Some(is.read_fixed64()?);
                 },
-                102 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.gcm_registration_id)?;
+                818 => {
+                    self.gcm_registration_id = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                202 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.apn_registration_id)?;
+                1618 => {
+                    self.apn_registration_id = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                203 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.notification_enabled = ::std::option::Option::Some(tmp);
+                1624 => {
+                    self.notification_enabled = ::std::option::Option::Some(is.read_bool()?);
                 },
-                302 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.bluetooth_mac_address)?;
+                2418 => {
+                    self.bluetooth_mac_address = ::std::option::Option::Some(is.read_string()?);
                 },
-                103 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.device_master_key_hash)?;
+                826 => {
+                    self.device_master_key_hash = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.user_public_key)?;
+                34 => {
+                    self.user_public_key = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                7 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_model)?;
+                58 => {
+                    self.device_model = ::std::option::Option::Some(is.read_string()?);
                 },
-                8 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.locale)?;
+                66 => {
+                    self.locale = ::std::option::Option::Some(is.read_string()?);
                 },
-                9 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.key_handle)?;
+                74 => {
+                    self.key_handle = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                12 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int64()?;
-                    self.counter = ::std::option::Option::Some(tmp);
+                96 => {
+                    self.counter = ::std::option::Option::Some(is.read_int64()?);
                 },
-                13 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_os_version)?;
+                106 => {
+                    self.device_os_version = ::std::option::Option::Some(is.read_string()?);
                 },
-                14 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int64()?;
-                    self.device_os_version_code = ::std::option::Option::Some(tmp);
+                112 => {
+                    self.device_os_version_code = ::std::option::Option::Some(is.read_int64()?);
                 },
-                15 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_os_release)?;
+                122 => {
+                    self.device_os_release = ::std::option::Option::Some(is.read_string()?);
                 },
-                16 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_os_codename)?;
+                130 => {
+                    self.device_os_codename = ::std::option::Option::Some(is.read_string()?);
                 },
-                17 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_software_version)?;
+                138 => {
+                    self.device_software_version = ::std::option::Option::Some(is.read_string()?);
                 },
-                18 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int64()?;
-                    self.device_software_version_code = ::std::option::Option::Some(tmp);
+                144 => {
+                    self.device_software_version_code = ::std::option::Option::Some(is.read_int64()?);
                 },
-                19 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_software_package)?;
+                154 => {
+                    self.device_software_package = ::std::option::Option::Some(is.read_string()?);
                 },
-                22 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.device_display_diagonal_mils = ::std::option::Option::Some(tmp);
+                176 => {
+                    self.device_display_diagonal_mils = ::std::option::Option::Some(is.read_int32()?);
                 },
-                24 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.device_authzen_version = ::std::option::Option::Some(tmp);
+                192 => {
+                    self.device_authzen_version = ::std::option::Option::Some(is.read_int32()?);
                 },
-                29 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.long_device_id)?;
+                234 => {
+                    self.long_device_id = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                31 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.device_manufacturer)?;
+                250 => {
+                    self.device_manufacturer = ::std::option::Option::Some(is.read_string()?);
                 },
-                32 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.device_type, 32, &mut self.unknown_fields)?
+                256 => {
+                    self.device_type = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                400 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.using_secure_screenlock = ::std::option::Option::Some(tmp);
+                3200 => {
+                    self.using_secure_screenlock = ::std::option::Option::Some(is.read_bool()?);
                 },
-                401 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.auto_unlock_screenlock_supported = ::std::option::Option::Some(tmp);
+                3208 => {
+                    self.auto_unlock_screenlock_supported = ::std::option::Option::Some(is.read_bool()?);
                 },
-                402 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.auto_unlock_screenlock_enabled = ::std::option::Option::Some(tmp);
+                3216 => {
+                    self.auto_unlock_screenlock_enabled = ::std::option::Option::Some(is.read_bool()?);
                 },
-                403 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.bluetooth_radio_supported = ::std::option::Option::Some(tmp);
+                3224 => {
+                    self.bluetooth_radio_supported = ::std::option::Option::Some(is.read_bool()?);
                 },
-                404 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.bluetooth_radio_enabled = ::std::option::Option::Some(tmp);
+                3232 => {
+                    self.bluetooth_radio_enabled = ::std::option::Option::Some(is.read_bool()?);
                 },
-                405 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.mobile_data_supported = ::std::option::Option::Some(tmp);
+                3240 => {
+                    self.mobile_data_supported = ::std::option::Option::Some(is.read_bool()?);
                 },
-                406 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.tethering_supported = ::std::option::Option::Some(tmp);
+                3248 => {
+                    self.tethering_supported = ::std::option::Option::Some(is.read_bool()?);
                 },
-                407 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.ble_radio_supported = ::std::option::Option::Some(tmp);
+                3256 => {
+                    self.ble_radio_supported = ::std::option::Option::Some(is.read_bool()?);
                 },
-                408 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.pixel_experience = ::std::option::Option::Some(tmp);
+                3264 => {
+                    self.pixel_experience = ::std::option::Option::Some(is.read_bool()?);
                 },
-                409 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.arc_plus_plus = ::std::option::Option::Some(tmp);
+                3272 => {
+                    self.arc_plus_plus = ::std::option::Option::Some(is.read_bool()?);
                 },
-                410 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_bool()?;
-                    self.is_screenlock_state_flaky = ::std::option::Option::Some(tmp);
+                3280 => {
+                    self.is_screenlock_state_flaky = ::std::option::Option::Some(is.read_bool()?);
                 },
-                411 => {
-                    ::protobuf::rt::read_repeated_enum_with_unknown_fields_into(wire_type, is, &mut self.supported_software_features, 411, &mut self.unknown_fields)?
+                3288 => {
+                    self.supported_software_features.push(is.read_enum_or_unknown()?);
                 },
-                412 => {
-                    ::protobuf::rt::read_repeated_enum_with_unknown_fields_into(wire_type, is, &mut self.enabled_software_features, 412, &mut self.unknown_fields)?
+                3290 => {
+                    ::protobuf::rt::read_repeated_packed_enum_or_unknown_into(is, &mut self.supported_software_features)?
                 },
-                1000 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.enrollment_session_id)?;
+                3296 => {
+                    self.enabled_software_features.push(is.read_enum_or_unknown()?);
                 },
-                1001 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.oauth_token)?;
+                3298 => {
+                    ::protobuf::rt::read_repeated_packed_enum_or_unknown_into(is, &mut self.enabled_software_features)?
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                8002 => {
+                    self.enrollment_session_id = ::std::option::Option::Some(is.read_bytes()?);
+                },
+                8010 => {
+                    self.oauth_token = ::std::option::Option::Some(is.read_string()?);
+                },
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1326,181 +1256,181 @@ impl ::protobuf::Message for GcmDeviceInfo {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.android_device_id {
-            my_size += 9;
+            my_size += 1 + 8;
         }
-        if let Some(ref v) = self.gcm_registration_id.as_ref() {
+        if let Some(v) = self.gcm_registration_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(102, &v);
         }
-        if let Some(ref v) = self.apn_registration_id.as_ref() {
+        if let Some(v) = self.apn_registration_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(202, &v);
         }
         if let Some(v) = self.notification_enabled {
-            my_size += 3;
+            my_size += 2 + 1;
         }
-        if let Some(ref v) = self.bluetooth_mac_address.as_ref() {
+        if let Some(v) = self.bluetooth_mac_address.as_ref() {
             my_size += ::protobuf::rt::string_size(302, &v);
         }
-        if let Some(ref v) = self.device_master_key_hash.as_ref() {
+        if let Some(v) = self.device_master_key_hash.as_ref() {
             my_size += ::protobuf::rt::bytes_size(103, &v);
         }
-        if let Some(ref v) = self.user_public_key.as_ref() {
+        if let Some(v) = self.user_public_key.as_ref() {
             my_size += ::protobuf::rt::bytes_size(4, &v);
         }
-        if let Some(ref v) = self.device_model.as_ref() {
+        if let Some(v) = self.device_model.as_ref() {
             my_size += ::protobuf::rt::string_size(7, &v);
         }
-        if let Some(ref v) = self.locale.as_ref() {
+        if let Some(v) = self.locale.as_ref() {
             my_size += ::protobuf::rt::string_size(8, &v);
         }
-        if let Some(ref v) = self.key_handle.as_ref() {
+        if let Some(v) = self.key_handle.as_ref() {
             my_size += ::protobuf::rt::bytes_size(9, &v);
         }
         if let Some(v) = self.counter {
-            my_size += ::protobuf::rt::value_size(12, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int64_size(12, v);
         }
-        if let Some(ref v) = self.device_os_version.as_ref() {
+        if let Some(v) = self.device_os_version.as_ref() {
             my_size += ::protobuf::rt::string_size(13, &v);
         }
         if let Some(v) = self.device_os_version_code {
-            my_size += ::protobuf::rt::value_size(14, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int64_size(14, v);
         }
-        if let Some(ref v) = self.device_os_release.as_ref() {
+        if let Some(v) = self.device_os_release.as_ref() {
             my_size += ::protobuf::rt::string_size(15, &v);
         }
-        if let Some(ref v) = self.device_os_codename.as_ref() {
+        if let Some(v) = self.device_os_codename.as_ref() {
             my_size += ::protobuf::rt::string_size(16, &v);
         }
-        if let Some(ref v) = self.device_software_version.as_ref() {
+        if let Some(v) = self.device_software_version.as_ref() {
             my_size += ::protobuf::rt::string_size(17, &v);
         }
         if let Some(v) = self.device_software_version_code {
-            my_size += ::protobuf::rt::value_size(18, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int64_size(18, v);
         }
-        if let Some(ref v) = self.device_software_package.as_ref() {
+        if let Some(v) = self.device_software_package.as_ref() {
             my_size += ::protobuf::rt::string_size(19, &v);
         }
         if let Some(v) = self.device_display_diagonal_mils {
-            my_size += ::protobuf::rt::value_size(22, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(22, v);
         }
         if let Some(v) = self.device_authzen_version {
-            my_size += ::protobuf::rt::value_size(24, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(24, v);
         }
-        if let Some(ref v) = self.long_device_id.as_ref() {
+        if let Some(v) = self.long_device_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(29, &v);
         }
-        if let Some(ref v) = self.device_manufacturer.as_ref() {
+        if let Some(v) = self.device_manufacturer.as_ref() {
             my_size += ::protobuf::rt::string_size(31, &v);
         }
         if let Some(v) = self.device_type {
-            my_size += ::protobuf::rt::enum_size(32, v);
+            my_size += ::protobuf::rt::int32_size(32, v.value());
         }
         if let Some(v) = self.using_secure_screenlock {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.auto_unlock_screenlock_supported {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.auto_unlock_screenlock_enabled {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.bluetooth_radio_supported {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.bluetooth_radio_enabled {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.mobile_data_supported {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.tethering_supported {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.ble_radio_supported {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.pixel_experience {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.arc_plus_plus {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         if let Some(v) = self.is_screenlock_state_flaky {
-            my_size += 3;
+            my_size += 2 + 1;
         }
         for value in &self.supported_software_features {
-            my_size += ::protobuf::rt::enum_size(411, *value);
+            my_size += ::protobuf::rt::int32_size(411, value.value());
         };
         for value in &self.enabled_software_features {
-            my_size += ::protobuf::rt::enum_size(412, *value);
+            my_size += ::protobuf::rt::int32_size(412, value.value());
         };
-        if let Some(ref v) = self.enrollment_session_id.as_ref() {
+        if let Some(v) = self.enrollment_session_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1000, &v);
         }
-        if let Some(ref v) = self.oauth_token.as_ref() {
+        if let Some(v) = self.oauth_token.as_ref() {
             my_size += ::protobuf::rt::string_size(1001, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.android_device_id {
             os.write_fixed64(1, v)?;
         }
-        if let Some(ref v) = self.gcm_registration_id.as_ref() {
-            os.write_bytes(102, &v)?;
+        if let Some(v) = self.gcm_registration_id.as_ref() {
+            os.write_bytes(102, v)?;
         }
-        if let Some(ref v) = self.apn_registration_id.as_ref() {
-            os.write_bytes(202, &v)?;
+        if let Some(v) = self.apn_registration_id.as_ref() {
+            os.write_bytes(202, v)?;
         }
         if let Some(v) = self.notification_enabled {
             os.write_bool(203, v)?;
         }
-        if let Some(ref v) = self.bluetooth_mac_address.as_ref() {
-            os.write_string(302, &v)?;
+        if let Some(v) = self.bluetooth_mac_address.as_ref() {
+            os.write_string(302, v)?;
         }
-        if let Some(ref v) = self.device_master_key_hash.as_ref() {
-            os.write_bytes(103, &v)?;
+        if let Some(v) = self.device_master_key_hash.as_ref() {
+            os.write_bytes(103, v)?;
         }
-        if let Some(ref v) = self.user_public_key.as_ref() {
-            os.write_bytes(4, &v)?;
+        if let Some(v) = self.user_public_key.as_ref() {
+            os.write_bytes(4, v)?;
         }
-        if let Some(ref v) = self.device_model.as_ref() {
-            os.write_string(7, &v)?;
+        if let Some(v) = self.device_model.as_ref() {
+            os.write_string(7, v)?;
         }
-        if let Some(ref v) = self.locale.as_ref() {
-            os.write_string(8, &v)?;
+        if let Some(v) = self.locale.as_ref() {
+            os.write_string(8, v)?;
         }
-        if let Some(ref v) = self.key_handle.as_ref() {
-            os.write_bytes(9, &v)?;
+        if let Some(v) = self.key_handle.as_ref() {
+            os.write_bytes(9, v)?;
         }
         if let Some(v) = self.counter {
             os.write_int64(12, v)?;
         }
-        if let Some(ref v) = self.device_os_version.as_ref() {
-            os.write_string(13, &v)?;
+        if let Some(v) = self.device_os_version.as_ref() {
+            os.write_string(13, v)?;
         }
         if let Some(v) = self.device_os_version_code {
             os.write_int64(14, v)?;
         }
-        if let Some(ref v) = self.device_os_release.as_ref() {
-            os.write_string(15, &v)?;
+        if let Some(v) = self.device_os_release.as_ref() {
+            os.write_string(15, v)?;
         }
-        if let Some(ref v) = self.device_os_codename.as_ref() {
-            os.write_string(16, &v)?;
+        if let Some(v) = self.device_os_codename.as_ref() {
+            os.write_string(16, v)?;
         }
-        if let Some(ref v) = self.device_software_version.as_ref() {
-            os.write_string(17, &v)?;
+        if let Some(v) = self.device_software_version.as_ref() {
+            os.write_string(17, v)?;
         }
         if let Some(v) = self.device_software_version_code {
             os.write_int64(18, v)?;
         }
-        if let Some(ref v) = self.device_software_package.as_ref() {
-            os.write_string(19, &v)?;
+        if let Some(v) = self.device_software_package.as_ref() {
+            os.write_string(19, v)?;
         }
         if let Some(v) = self.device_display_diagonal_mils {
             os.write_int32(22, v)?;
@@ -1508,14 +1438,14 @@ impl ::protobuf::Message for GcmDeviceInfo {
         if let Some(v) = self.device_authzen_version {
             os.write_int32(24, v)?;
         }
-        if let Some(ref v) = self.long_device_id.as_ref() {
-            os.write_bytes(29, &v)?;
+        if let Some(v) = self.long_device_id.as_ref() {
+            os.write_bytes(29, v)?;
         }
-        if let Some(ref v) = self.device_manufacturer.as_ref() {
-            os.write_string(31, &v)?;
+        if let Some(v) = self.device_manufacturer.as_ref() {
+            os.write_string(31, v)?;
         }
         if let Some(v) = self.device_type {
-            os.write_enum(32, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(32, ::protobuf::EnumOrUnknown::value(&v))?;
         }
         if let Some(v) = self.using_secure_screenlock {
             os.write_bool(400, v)?;
@@ -1551,81 +1481,56 @@ impl ::protobuf::Message for GcmDeviceInfo {
             os.write_bool(410, v)?;
         }
         for v in &self.supported_software_features {
-            os.write_enum(411, ::protobuf::ProtobufEnum::value(v))?;
+            os.write_enum(411, ::protobuf::EnumOrUnknown::value(v))?;
         };
         for v in &self.enabled_software_features {
-            os.write_enum(412, ::protobuf::ProtobufEnum::value(v))?;
+            os.write_enum(412, ::protobuf::EnumOrUnknown::value(v))?;
         };
-        if let Some(ref v) = self.enrollment_session_id.as_ref() {
-            os.write_bytes(1000, &v)?;
+        if let Some(v) = self.enrollment_session_id.as_ref() {
+            os.write_bytes(1000, v)?;
         }
-        if let Some(ref v) = self.oauth_token.as_ref() {
-            os.write_string(1001, &v)?;
+        if let Some(v) = self.oauth_token.as_ref() {
+            os.write_string(1001, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> GcmDeviceInfo {
         GcmDeviceInfo::new()
     }
 
-    fn default_instance() -> &'static GcmDeviceInfo {
-        static instance: ::protobuf::rt::LazyV2<GcmDeviceInfo> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(GcmDeviceInfo::new)
-    }
-}
-
-impl ::protobuf::Clear for GcmDeviceInfo {
     fn clear(&mut self) {
         self.android_device_id = ::std::option::Option::None;
-        self.gcm_registration_id.clear();
-        self.apn_registration_id.clear();
+        self.gcm_registration_id = ::std::option::Option::None;
+        self.apn_registration_id = ::std::option::Option::None;
         self.notification_enabled = ::std::option::Option::None;
-        self.bluetooth_mac_address.clear();
-        self.device_master_key_hash.clear();
-        self.user_public_key.clear();
-        self.device_model.clear();
-        self.locale.clear();
-        self.key_handle.clear();
+        self.bluetooth_mac_address = ::std::option::Option::None;
+        self.device_master_key_hash = ::std::option::Option::None;
+        self.user_public_key = ::std::option::Option::None;
+        self.device_model = ::std::option::Option::None;
+        self.locale = ::std::option::Option::None;
+        self.key_handle = ::std::option::Option::None;
         self.counter = ::std::option::Option::None;
-        self.device_os_version.clear();
+        self.device_os_version = ::std::option::Option::None;
         self.device_os_version_code = ::std::option::Option::None;
-        self.device_os_release.clear();
-        self.device_os_codename.clear();
-        self.device_software_version.clear();
+        self.device_os_release = ::std::option::Option::None;
+        self.device_os_codename = ::std::option::Option::None;
+        self.device_software_version = ::std::option::Option::None;
         self.device_software_version_code = ::std::option::Option::None;
-        self.device_software_package.clear();
+        self.device_software_package = ::std::option::Option::None;
         self.device_display_diagonal_mils = ::std::option::Option::None;
         self.device_authzen_version = ::std::option::Option::None;
-        self.long_device_id.clear();
-        self.device_manufacturer.clear();
+        self.long_device_id = ::std::option::Option::None;
+        self.device_manufacturer = ::std::option::Option::None;
         self.device_type = ::std::option::Option::None;
         self.using_secure_screenlock = ::std::option::Option::None;
         self.auto_unlock_screenlock_supported = ::std::option::Option::None;
@@ -1640,26 +1545,68 @@ impl ::protobuf::Clear for GcmDeviceInfo {
         self.is_screenlock_state_flaky = ::std::option::Option::None;
         self.supported_software_features.clear();
         self.enabled_software_features.clear();
-        self.enrollment_session_id.clear();
-        self.oauth_token.clear();
-        self.unknown_fields.clear();
+        self.enrollment_session_id = ::std::option::Option::None;
+        self.oauth_token = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for GcmDeviceInfo {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static GcmDeviceInfo {
+        static instance: GcmDeviceInfo = GcmDeviceInfo {
+            android_device_id: ::std::option::Option::None,
+            gcm_registration_id: ::std::option::Option::None,
+            apn_registration_id: ::std::option::Option::None,
+            notification_enabled: ::std::option::Option::None,
+            bluetooth_mac_address: ::std::option::Option::None,
+            device_master_key_hash: ::std::option::Option::None,
+            user_public_key: ::std::option::Option::None,
+            device_model: ::std::option::Option::None,
+            locale: ::std::option::Option::None,
+            key_handle: ::std::option::Option::None,
+            counter: ::std::option::Option::None,
+            device_os_version: ::std::option::Option::None,
+            device_os_version_code: ::std::option::Option::None,
+            device_os_release: ::std::option::Option::None,
+            device_os_codename: ::std::option::Option::None,
+            device_software_version: ::std::option::Option::None,
+            device_software_version_code: ::std::option::Option::None,
+            device_software_package: ::std::option::Option::None,
+            device_display_diagonal_mils: ::std::option::Option::None,
+            device_authzen_version: ::std::option::Option::None,
+            long_device_id: ::std::option::Option::None,
+            device_manufacturer: ::std::option::Option::None,
+            device_type: ::std::option::Option::None,
+            using_secure_screenlock: ::std::option::Option::None,
+            auto_unlock_screenlock_supported: ::std::option::Option::None,
+            auto_unlock_screenlock_enabled: ::std::option::Option::None,
+            bluetooth_radio_supported: ::std::option::Option::None,
+            bluetooth_radio_enabled: ::std::option::Option::None,
+            mobile_data_supported: ::std::option::Option::None,
+            tethering_supported: ::std::option::Option::None,
+            ble_radio_supported: ::std::option::Option::None,
+            pixel_experience: ::std::option::Option::None,
+            arc_plus_plus: ::std::option::Option::None,
+            is_screenlock_state_flaky: ::std::option::Option::None,
+            supported_software_features: ::std::vec::Vec::new(),
+            enabled_software_features: ::std::vec::Vec::new(),
+            enrollment_session_id: ::std::option::Option::None,
+            oauth_token: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.GcmMetadata)
 pub struct GcmMetadata {
     // message fields
-    field_type: ::std::option::Option<Type>,
-    version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.GcmMetadata.type)
+    pub type_: ::std::option::Option<::protobuf::EnumOrUnknown<Type>>,
+    // @@protoc_insertion_point(field:securegcm.GcmMetadata.version)
+    pub version: ::std::option::Option<i32>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.GcmMetadata.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a GcmMetadata {
@@ -1675,29 +1622,32 @@ impl GcmMetadata {
 
     // required .securegcm.Type type = 1;
 
-
-    pub fn get_field_type(&self) -> Type {
-        self.field_type.unwrap_or(Type::ENROLLMENT)
+    pub fn type_(&self) -> Type {
+        match self.type_ {
+            Some(e) => e.enum_value_or(Type::ENROLLMENT),
+            None => Type::ENROLLMENT,
+        }
     }
-    pub fn clear_field_type(&mut self) {
-        self.field_type = ::std::option::Option::None;
+
+    pub fn clear_type_(&mut self) {
+        self.type_ = ::std::option::Option::None;
     }
 
-    pub fn has_field_type(&self) -> bool {
-        self.field_type.is_some()
+    pub fn has_type(&self) -> bool {
+        self.type_.is_some()
     }
 
     // Param is passed by value, moved
-    pub fn set_field_type(&mut self, v: Type) {
-        self.field_type = ::std::option::Option::Some(v);
+    pub fn set_type(&mut self, v: Type) {
+        self.type_ = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional int32 version = 2;
 
-
-    pub fn get_version(&self) -> i32 {
+    pub fn version(&self) -> i32 {
         self.version.unwrap_or(0i32)
     }
+
     pub fn clear_version(&mut self) {
         self.version = ::std::option::Option::None;
     }
@@ -1713,29 +1663,26 @@ impl GcmMetadata {
 }
 
 impl ::protobuf::Message for GcmMetadata {
+    const NAME: &'static str = "GcmMetadata";
+
     fn is_initialized(&self) -> bool {
-        if self.field_type.is_none() {
+        if self.type_.is_none() {
             return false;
         }
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.field_type, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.type_ = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.version = ::std::option::Option::Some(tmp);
+                16 => {
+                    self.version = ::std::option::Option::Some(is.read_int32()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1744,87 +1691,67 @@ impl ::protobuf::Message for GcmMetadata {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(v) = self.field_type {
-            my_size += ::protobuf::rt::enum_size(1, v);
+        if let Some(v) = self.type_ {
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
         if let Some(v) = self.version {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(2, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.field_type {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.type_ {
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
         if let Some(v) = self.version {
             os.write_int32(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> GcmMetadata {
         GcmMetadata::new()
     }
 
-    fn default_instance() -> &'static GcmMetadata {
-        static instance: ::protobuf::rt::LazyV2<GcmMetadata> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(GcmMetadata::new)
-    }
-}
-
-impl ::protobuf::Clear for GcmMetadata {
     fn clear(&mut self) {
-        self.field_type = ::std::option::Option::None;
+        self.type_ = ::std::option::Option::None;
         self.version = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for GcmMetadata {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static GcmMetadata {
+        static instance: GcmMetadata = GcmMetadata {
+            type_: ::std::option::Option::None,
+            version: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Tickle)
 pub struct Tickle {
     // message fields
-    expiry_time: ::std::option::Option<u64>,
+    // @@protoc_insertion_point(field:securegcm.Tickle.expiry_time)
+    pub expiry_time: ::std::option::Option<u64>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Tickle.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Tickle {
@@ -1840,10 +1767,10 @@ impl Tickle {
 
     // optional fixed64 expiry_time = 1;
 
-
-    pub fn get_expiry_time(&self) -> u64 {
+    pub fn expiry_time(&self) -> u64 {
         self.expiry_time.unwrap_or(0)
     }
+
     pub fn clear_expiry_time(&mut self) {
         self.expiry_time = ::std::option::Option::None;
     }
@@ -1859,23 +1786,20 @@ impl Tickle {
 }
 
 impl ::protobuf::Message for Tickle {
+    const NAME: &'static str = "Tickle";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeFixed64 {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_fixed64()?;
-                    self.expiry_time = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                9 => {
+                    self.expiry_time = ::std::option::Option::Some(is.read_fixed64()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1884,84 +1808,67 @@ impl ::protobuf::Message for Tickle {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.expiry_time {
-            my_size += 9;
+            my_size += 1 + 8;
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.expiry_time {
             os.write_fixed64(1, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Tickle {
         Tickle::new()
     }
 
-    fn default_instance() -> &'static Tickle {
-        static instance: ::protobuf::rt::LazyV2<Tickle> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Tickle::new)
-    }
-}
-
-impl ::protobuf::Clear for Tickle {
     fn clear(&mut self) {
         self.expiry_time = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Tickle {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Tickle {
+        static instance: Tickle = Tickle {
+            expiry_time: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.LoginNotificationInfo)
 pub struct LoginNotificationInfo {
     // message fields
-    creation_time: ::std::option::Option<u64>,
-    email: ::protobuf::SingularField<::std::string::String>,
-    host: ::protobuf::SingularField<::std::string::String>,
-    source: ::protobuf::SingularField<::std::string::String>,
-    event_type: ::protobuf::SingularField<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.LoginNotificationInfo.creation_time)
+    pub creation_time: ::std::option::Option<u64>,
+    // @@protoc_insertion_point(field:securegcm.LoginNotificationInfo.email)
+    pub email: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.LoginNotificationInfo.host)
+    pub host: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.LoginNotificationInfo.source)
+    pub source: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.LoginNotificationInfo.event_type)
+    pub event_type: ::std::option::Option<::std::string::String>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.LoginNotificationInfo.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a LoginNotificationInfo {
@@ -1977,10 +1884,10 @@ impl LoginNotificationInfo {
 
     // optional fixed64 creation_time = 2;
 
-
-    pub fn get_creation_time(&self) -> u64 {
+    pub fn creation_time(&self) -> u64 {
         self.creation_time.unwrap_or(0)
     }
+
     pub fn clear_creation_time(&mut self) {
         self.creation_time = ::std::option::Option::None;
     }
@@ -1996,15 +1903,15 @@ impl LoginNotificationInfo {
 
     // optional string email = 3;
 
-
-    pub fn get_email(&self) -> &str {
+    pub fn email(&self) -> &str {
         match self.email.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_email(&mut self) {
-        self.email.clear();
+        self.email = ::std::option::Option::None;
     }
 
     pub fn has_email(&self) -> bool {
@@ -2013,14 +1920,14 @@ impl LoginNotificationInfo {
 
     // Param is passed by value, moved
     pub fn set_email(&mut self, v: ::std::string::String) {
-        self.email = ::protobuf::SingularField::some(v);
+        self.email = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_email(&mut self) -> &mut ::std::string::String {
         if self.email.is_none() {
-            self.email.set_default();
+            self.email = ::std::option::Option::Some(::std::string::String::new());
         }
         self.email.as_mut().unwrap()
     }
@@ -2032,15 +1939,15 @@ impl LoginNotificationInfo {
 
     // optional string host = 4;
 
-
-    pub fn get_host(&self) -> &str {
+    pub fn host(&self) -> &str {
         match self.host.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_host(&mut self) {
-        self.host.clear();
+        self.host = ::std::option::Option::None;
     }
 
     pub fn has_host(&self) -> bool {
@@ -2049,14 +1956,14 @@ impl LoginNotificationInfo {
 
     // Param is passed by value, moved
     pub fn set_host(&mut self, v: ::std::string::String) {
-        self.host = ::protobuf::SingularField::some(v);
+        self.host = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_host(&mut self) -> &mut ::std::string::String {
         if self.host.is_none() {
-            self.host.set_default();
+            self.host = ::std::option::Option::Some(::std::string::String::new());
         }
         self.host.as_mut().unwrap()
     }
@@ -2068,15 +1975,15 @@ impl LoginNotificationInfo {
 
     // optional string source = 5;
 
-
-    pub fn get_source(&self) -> &str {
+    pub fn source(&self) -> &str {
         match self.source.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_source(&mut self) {
-        self.source.clear();
+        self.source = ::std::option::Option::None;
     }
 
     pub fn has_source(&self) -> bool {
@@ -2085,14 +1992,14 @@ impl LoginNotificationInfo {
 
     // Param is passed by value, moved
     pub fn set_source(&mut self, v: ::std::string::String) {
-        self.source = ::protobuf::SingularField::some(v);
+        self.source = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_source(&mut self) -> &mut ::std::string::String {
         if self.source.is_none() {
-            self.source.set_default();
+            self.source = ::std::option::Option::Some(::std::string::String::new());
         }
         self.source.as_mut().unwrap()
     }
@@ -2104,15 +2011,15 @@ impl LoginNotificationInfo {
 
     // optional string event_type = 6;
 
-
-    pub fn get_event_type(&self) -> &str {
+    pub fn event_type(&self) -> &str {
         match self.event_type.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_event_type(&mut self) {
-        self.event_type.clear();
+        self.event_type = ::std::option::Option::None;
     }
 
     pub fn has_event_type(&self) -> bool {
@@ -2121,14 +2028,14 @@ impl LoginNotificationInfo {
 
     // Param is passed by value, moved
     pub fn set_event_type(&mut self, v: ::std::string::String) {
-        self.event_type = ::protobuf::SingularField::some(v);
+        self.event_type = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_event_type(&mut self) -> &mut ::std::string::String {
         if self.event_type.is_none() {
-            self.event_type.set_default();
+            self.event_type = ::std::option::Option::Some(::std::string::String::new());
         }
         self.event_type.as_mut().unwrap()
     }
@@ -2140,35 +2047,32 @@ impl LoginNotificationInfo {
 }
 
 impl ::protobuf::Message for LoginNotificationInfo {
+    const NAME: &'static str = "LoginNotificationInfo";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeFixed64 {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_fixed64()?;
-                    self.creation_time = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                17 => {
+                    self.creation_time = ::std::option::Option::Some(is.read_fixed64()?);
                 },
-                3 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.email)?;
+                26 => {
+                    self.email = ::std::option::Option::Some(is.read_string()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.host)?;
+                34 => {
+                    self.host = ::std::option::Option::Some(is.read_string()?);
                 },
-                5 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.source)?;
+                42 => {
+                    self.source = ::std::option::Option::Some(is.read_string()?);
                 },
-                6 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.event_type)?;
+                50 => {
+                    self.event_type = ::std::option::Option::Some(is.read_string()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -2177,108 +2081,94 @@ impl ::protobuf::Message for LoginNotificationInfo {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.creation_time {
-            my_size += 9;
+            my_size += 1 + 8;
         }
-        if let Some(ref v) = self.email.as_ref() {
+        if let Some(v) = self.email.as_ref() {
             my_size += ::protobuf::rt::string_size(3, &v);
         }
-        if let Some(ref v) = self.host.as_ref() {
+        if let Some(v) = self.host.as_ref() {
             my_size += ::protobuf::rt::string_size(4, &v);
         }
-        if let Some(ref v) = self.source.as_ref() {
+        if let Some(v) = self.source.as_ref() {
             my_size += ::protobuf::rt::string_size(5, &v);
         }
-        if let Some(ref v) = self.event_type.as_ref() {
+        if let Some(v) = self.event_type.as_ref() {
             my_size += ::protobuf::rt::string_size(6, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.creation_time {
             os.write_fixed64(2, v)?;
         }
-        if let Some(ref v) = self.email.as_ref() {
-            os.write_string(3, &v)?;
+        if let Some(v) = self.email.as_ref() {
+            os.write_string(3, v)?;
         }
-        if let Some(ref v) = self.host.as_ref() {
-            os.write_string(4, &v)?;
+        if let Some(v) = self.host.as_ref() {
+            os.write_string(4, v)?;
         }
-        if let Some(ref v) = self.source.as_ref() {
-            os.write_string(5, &v)?;
+        if let Some(v) = self.source.as_ref() {
+            os.write_string(5, v)?;
         }
-        if let Some(ref v) = self.event_type.as_ref() {
-            os.write_string(6, &v)?;
+        if let Some(v) = self.event_type.as_ref() {
+            os.write_string(6, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> LoginNotificationInfo {
         LoginNotificationInfo::new()
     }
 
-    fn default_instance() -> &'static LoginNotificationInfo {
-        static instance: ::protobuf::rt::LazyV2<LoginNotificationInfo> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(LoginNotificationInfo::new)
-    }
-}
-
-impl ::protobuf::Clear for LoginNotificationInfo {
     fn clear(&mut self) {
         self.creation_time = ::std::option::Option::None;
-        self.email.clear();
-        self.host.clear();
-        self.source.clear();
-        self.event_type.clear();
-        self.unknown_fields.clear();
+        self.email = ::std::option::Option::None;
+        self.host = ::std::option::Option::None;
+        self.source = ::std::option::Option::None;
+        self.event_type = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for LoginNotificationInfo {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static LoginNotificationInfo {
+        static instance: LoginNotificationInfo = LoginNotificationInfo {
+            creation_time: ::std::option::Option::None,
+            email: ::std::option::Option::None,
+            host: ::std::option::Option::None,
+            source: ::std::option::Option::None,
+            event_type: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.AppleDeviceDiagonalMils)
 pub enum AppleDeviceDiagonalMils {
+    // @@protoc_insertion_point(enum_value:securegcm.AppleDeviceDiagonalMils.APPLE_PHONE)
     APPLE_PHONE = 4000,
+    // @@protoc_insertion_point(enum_value:securegcm.AppleDeviceDiagonalMils.APPLE_PAD)
     APPLE_PAD = 7900,
 }
 
-impl ::protobuf::ProtobufEnum for AppleDeviceDiagonalMils {
+impl ::protobuf::Enum for AppleDeviceDiagonalMils {
+    const NAME: &'static str = "AppleDeviceDiagonalMils";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -2291,16 +2181,10 @@ impl ::protobuf::ProtobufEnum for AppleDeviceDiagonalMils {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [AppleDeviceDiagonalMils] = &[
-            AppleDeviceDiagonalMils::APPLE_PHONE,
-            AppleDeviceDiagonalMils::APPLE_PAD,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for AppleDeviceDiagonalMils {
+    const VALUES: &'static [AppleDeviceDiagonalMils] = &[
+        AppleDeviceDiagonalMils::APPLE_PHONE,
+        AppleDeviceDiagonalMils::APPLE_PAD,
+    ];
 }
 
 // Note, `Default` is implemented although default value is not 0
@@ -2310,23 +2194,27 @@ impl ::std::default::Default for AppleDeviceDiagonalMils {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for AppleDeviceDiagonalMils {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.DeviceType)
 pub enum DeviceType {
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.UNKNOWN)
     UNKNOWN = 0,
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.ANDROID)
     ANDROID = 1,
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.CHROME)
     CHROME = 2,
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.IOS)
     IOS = 3,
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.BROWSER)
     BROWSER = 4,
+    // @@protoc_insertion_point(enum_value:securegcm.DeviceType.OSX)
     OSX = 5,
 }
 
-impl ::protobuf::ProtobufEnum for DeviceType {
+impl ::protobuf::Enum for DeviceType {
+    const NAME: &'static str = "DeviceType";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -2343,20 +2231,14 @@ impl ::protobuf::ProtobufEnum for DeviceType {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [DeviceType] = &[
-            DeviceType::UNKNOWN,
-            DeviceType::ANDROID,
-            DeviceType::CHROME,
-            DeviceType::IOS,
-            DeviceType::BROWSER,
-            DeviceType::OSX,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for DeviceType {
+    const VALUES: &'static [DeviceType] = &[
+        DeviceType::UNKNOWN,
+        DeviceType::ANDROID,
+        DeviceType::CHROME,
+        DeviceType::IOS,
+        DeviceType::BROWSER,
+        DeviceType::OSX,
+    ];
 }
 
 impl ::std::default::Default for DeviceType {
@@ -2365,26 +2247,33 @@ impl ::std::default::Default for DeviceType {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for DeviceType {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.SoftwareFeature)
 pub enum SoftwareFeature {
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.UNKNOWN_FEATURE)
     UNKNOWN_FEATURE = 0,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.BETTER_TOGETHER_HOST)
     BETTER_TOGETHER_HOST = 1,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.BETTER_TOGETHER_CLIENT)
     BETTER_TOGETHER_CLIENT = 2,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.EASY_UNLOCK_HOST)
     EASY_UNLOCK_HOST = 3,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.EASY_UNLOCK_CLIENT)
     EASY_UNLOCK_CLIENT = 4,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.MAGIC_TETHER_HOST)
     MAGIC_TETHER_HOST = 5,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.MAGIC_TETHER_CLIENT)
     MAGIC_TETHER_CLIENT = 6,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.SMS_CONNECT_HOST)
     SMS_CONNECT_HOST = 7,
+    // @@protoc_insertion_point(enum_value:securegcm.SoftwareFeature.SMS_CONNECT_CLIENT)
     SMS_CONNECT_CLIENT = 8,
 }
 
-impl ::protobuf::ProtobufEnum for SoftwareFeature {
+impl ::protobuf::Enum for SoftwareFeature {
+    const NAME: &'static str = "SoftwareFeature";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -2404,23 +2293,17 @@ impl ::protobuf::ProtobufEnum for SoftwareFeature {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [SoftwareFeature] = &[
-            SoftwareFeature::UNKNOWN_FEATURE,
-            SoftwareFeature::BETTER_TOGETHER_HOST,
-            SoftwareFeature::BETTER_TOGETHER_CLIENT,
-            SoftwareFeature::EASY_UNLOCK_HOST,
-            SoftwareFeature::EASY_UNLOCK_CLIENT,
-            SoftwareFeature::MAGIC_TETHER_HOST,
-            SoftwareFeature::MAGIC_TETHER_CLIENT,
-            SoftwareFeature::SMS_CONNECT_HOST,
-            SoftwareFeature::SMS_CONNECT_CLIENT,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for SoftwareFeature {
+    const VALUES: &'static [SoftwareFeature] = &[
+        SoftwareFeature::UNKNOWN_FEATURE,
+        SoftwareFeature::BETTER_TOGETHER_HOST,
+        SoftwareFeature::BETTER_TOGETHER_CLIENT,
+        SoftwareFeature::EASY_UNLOCK_HOST,
+        SoftwareFeature::EASY_UNLOCK_CLIENT,
+        SoftwareFeature::MAGIC_TETHER_HOST,
+        SoftwareFeature::MAGIC_TETHER_CLIENT,
+        SoftwareFeature::SMS_CONNECT_HOST,
+        SoftwareFeature::SMS_CONNECT_CLIENT,
+    ];
 }
 
 impl ::std::default::Default for SoftwareFeature {
@@ -2429,33 +2312,47 @@ impl ::std::default::Default for SoftwareFeature {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for SoftwareFeature {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.InvocationReason)
 pub enum InvocationReason {
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_UNKNOWN)
     REASON_UNKNOWN = 0,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_INITIALIZATION)
     REASON_INITIALIZATION = 1,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_PERIODIC)
     REASON_PERIODIC = 2,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_SLOW_PERIODIC)
     REASON_SLOW_PERIODIC = 3,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_FAST_PERIODIC)
     REASON_FAST_PERIODIC = 4,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_EXPIRATION)
     REASON_EXPIRATION = 5,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_FAILURE_RECOVERY)
     REASON_FAILURE_RECOVERY = 6,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_NEW_ACCOUNT)
     REASON_NEW_ACCOUNT = 7,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_CHANGED_ACCOUNT)
     REASON_CHANGED_ACCOUNT = 8,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_FEATURE_TOGGLED)
     REASON_FEATURE_TOGGLED = 9,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_SERVER_INITIATED)
     REASON_SERVER_INITIATED = 10,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_ADDRESS_CHANGE)
     REASON_ADDRESS_CHANGE = 11,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_SOFTWARE_UPDATE)
     REASON_SOFTWARE_UPDATE = 12,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_MANUAL)
     REASON_MANUAL = 13,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_CUSTOM_KEY_INVALIDATION)
     REASON_CUSTOM_KEY_INVALIDATION = 14,
+    // @@protoc_insertion_point(enum_value:securegcm.InvocationReason.REASON_PROXIMITY_PERIODIC)
     REASON_PROXIMITY_PERIODIC = 15,
 }
 
-impl ::protobuf::ProtobufEnum for InvocationReason {
+impl ::protobuf::Enum for InvocationReason {
+    const NAME: &'static str = "InvocationReason";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -2482,30 +2379,24 @@ impl ::protobuf::ProtobufEnum for InvocationReason {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [InvocationReason] = &[
-            InvocationReason::REASON_UNKNOWN,
-            InvocationReason::REASON_INITIALIZATION,
-            InvocationReason::REASON_PERIODIC,
-            InvocationReason::REASON_SLOW_PERIODIC,
-            InvocationReason::REASON_FAST_PERIODIC,
-            InvocationReason::REASON_EXPIRATION,
-            InvocationReason::REASON_FAILURE_RECOVERY,
-            InvocationReason::REASON_NEW_ACCOUNT,
-            InvocationReason::REASON_CHANGED_ACCOUNT,
-            InvocationReason::REASON_FEATURE_TOGGLED,
-            InvocationReason::REASON_SERVER_INITIATED,
-            InvocationReason::REASON_ADDRESS_CHANGE,
-            InvocationReason::REASON_SOFTWARE_UPDATE,
-            InvocationReason::REASON_MANUAL,
-            InvocationReason::REASON_CUSTOM_KEY_INVALIDATION,
-            InvocationReason::REASON_PROXIMITY_PERIODIC,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for InvocationReason {
+    const VALUES: &'static [InvocationReason] = &[
+        InvocationReason::REASON_UNKNOWN,
+        InvocationReason::REASON_INITIALIZATION,
+        InvocationReason::REASON_PERIODIC,
+        InvocationReason::REASON_SLOW_PERIODIC,
+        InvocationReason::REASON_FAST_PERIODIC,
+        InvocationReason::REASON_EXPIRATION,
+        InvocationReason::REASON_FAILURE_RECOVERY,
+        InvocationReason::REASON_NEW_ACCOUNT,
+        InvocationReason::REASON_CHANGED_ACCOUNT,
+        InvocationReason::REASON_FEATURE_TOGGLED,
+        InvocationReason::REASON_SERVER_INITIATED,
+        InvocationReason::REASON_ADDRESS_CHANGE,
+        InvocationReason::REASON_SOFTWARE_UPDATE,
+        InvocationReason::REASON_MANUAL,
+        InvocationReason::REASON_CUSTOM_KEY_INVALIDATION,
+        InvocationReason::REASON_PROXIMITY_PERIODIC,
+    ];
 }
 
 impl ::std::default::Default for InvocationReason {
@@ -2514,33 +2405,47 @@ impl ::std::default::Default for InvocationReason {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for InvocationReason {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.Type)
 pub enum Type {
+    // @@protoc_insertion_point(enum_value:securegcm.Type.ENROLLMENT)
     ENROLLMENT = 0,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TICKLE)
     TICKLE = 1,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_REQUEST)
     TX_REQUEST = 2,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_REPLY)
     TX_REPLY = 3,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_SYNC_REQUEST)
     TX_SYNC_REQUEST = 4,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_SYNC_RESPONSE)
     TX_SYNC_RESPONSE = 5,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_PING)
     TX_PING = 6,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.DEVICE_INFO_UPDATE)
     DEVICE_INFO_UPDATE = 7,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.TX_CANCEL_REQUEST)
     TX_CANCEL_REQUEST = 8,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.PROXIMITYAUTH_PAIRING)
     PROXIMITYAUTH_PAIRING = 10,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.GCMV1_IDENTITY_ASSERTION)
     GCMV1_IDENTITY_ASSERTION = 11,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.DEVICE_TO_DEVICE_RESPONDER_HELLO_PAYLOAD)
     DEVICE_TO_DEVICE_RESPONDER_HELLO_PAYLOAD = 12,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.DEVICE_TO_DEVICE_MESSAGE)
     DEVICE_TO_DEVICE_MESSAGE = 13,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.DEVICE_PROXIMITY_CALLBACK)
     DEVICE_PROXIMITY_CALLBACK = 14,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.UNLOCK_KEY_SIGNED_CHALLENGE)
     UNLOCK_KEY_SIGNED_CHALLENGE = 15,
+    // @@protoc_insertion_point(enum_value:securegcm.Type.LOGIN_NOTIFICATION)
     LOGIN_NOTIFICATION = 101,
 }
 
-impl ::protobuf::ProtobufEnum for Type {
+impl ::protobuf::Enum for Type {
+    const NAME: &'static str = "Type";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -2567,30 +2472,24 @@ impl ::protobuf::ProtobufEnum for Type {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [Type] = &[
-            Type::ENROLLMENT,
-            Type::TICKLE,
-            Type::TX_REQUEST,
-            Type::TX_REPLY,
-            Type::TX_SYNC_REQUEST,
-            Type::TX_SYNC_RESPONSE,
-            Type::TX_PING,
-            Type::DEVICE_INFO_UPDATE,
-            Type::TX_CANCEL_REQUEST,
-            Type::PROXIMITYAUTH_PAIRING,
-            Type::GCMV1_IDENTITY_ASSERTION,
-            Type::DEVICE_TO_DEVICE_RESPONDER_HELLO_PAYLOAD,
-            Type::DEVICE_TO_DEVICE_MESSAGE,
-            Type::DEVICE_PROXIMITY_CALLBACK,
-            Type::UNLOCK_KEY_SIGNED_CHALLENGE,
-            Type::LOGIN_NOTIFICATION,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for Type {
+    const VALUES: &'static [Type] = &[
+        Type::ENROLLMENT,
+        Type::TICKLE,
+        Type::TX_REQUEST,
+        Type::TX_REPLY,
+        Type::TX_SYNC_REQUEST,
+        Type::TX_SYNC_RESPONSE,
+        Type::TX_PING,
+        Type::DEVICE_INFO_UPDATE,
+        Type::TX_CANCEL_REQUEST,
+        Type::PROXIMITYAUTH_PAIRING,
+        Type::GCMV1_IDENTITY_ASSERTION,
+        Type::DEVICE_TO_DEVICE_RESPONDER_HELLO_PAYLOAD,
+        Type::DEVICE_TO_DEVICE_MESSAGE,
+        Type::DEVICE_PROXIMITY_CALLBACK,
+        Type::UNLOCK_KEY_SIGNED_CHALLENGE,
+        Type::LOGIN_NOTIFICATION,
+    ];
 }
 
 impl ::std::default::Default for Type {
@@ -2599,8 +2498,3 @@ impl ::std::default::Default for Type {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for Type {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
diff --git a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securemessage.rs b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securemessage.rs
index e3df251..161e0be 100644
--- a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securemessage.rs
+++ b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/securemessage.rs
@@ -12,7 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This file is generated by rust-protobuf 2.28.0. Do not edit
+// This file is generated by rust-protobuf 3.2.0. Do not edit
+// .proto file is parsed by protoc 3.19.1
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -29,22 +30,27 @@
 #![allow(non_snake_case)]
 #![allow(non_upper_case_globals)]
 #![allow(trivial_casts)]
-#![allow(unused_imports)]
 #![allow(unused_results)]
+#![allow(unused_mut)]
+
 //! Generated file from `securemessage.proto`
+// Generated for lite runtime
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_28_0;
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_2_0;
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.SecureMessage)
 pub struct SecureMessage {
     // message fields
-    header_and_body: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    signature: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.SecureMessage.header_and_body)
+    pub header_and_body: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.SecureMessage.signature)
+    pub signature: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.SecureMessage.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a SecureMessage {
@@ -60,15 +66,15 @@ impl SecureMessage {
 
     // required bytes header_and_body = 1;
 
-
-    pub fn get_header_and_body(&self) -> &[u8] {
+    pub fn header_and_body(&self) -> &[u8] {
         match self.header_and_body.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_header_and_body(&mut self) {
-        self.header_and_body.clear();
+        self.header_and_body = ::std::option::Option::None;
     }
 
     pub fn has_header_and_body(&self) -> bool {
@@ -77,14 +83,14 @@ impl SecureMessage {
 
     // Param is passed by value, moved
     pub fn set_header_and_body(&mut self, v: ::std::vec::Vec<u8>) {
-        self.header_and_body = ::protobuf::SingularField::some(v);
+        self.header_and_body = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_header_and_body(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.header_and_body.is_none() {
-            self.header_and_body.set_default();
+            self.header_and_body = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.header_and_body.as_mut().unwrap()
     }
@@ -96,15 +102,15 @@ impl SecureMessage {
 
     // required bytes signature = 2;
 
-
-    pub fn get_signature(&self) -> &[u8] {
+    pub fn signature(&self) -> &[u8] {
         match self.signature.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_signature(&mut self) {
-        self.signature.clear();
+        self.signature = ::std::option::Option::None;
     }
 
     pub fn has_signature(&self) -> bool {
@@ -113,14 +119,14 @@ impl SecureMessage {
 
     // Param is passed by value, moved
     pub fn set_signature(&mut self, v: ::std::vec::Vec<u8>) {
-        self.signature = ::protobuf::SingularField::some(v);
+        self.signature = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_signature(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.signature.is_none() {
-            self.signature.set_default();
+            self.signature = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.signature.as_mut().unwrap()
     }
@@ -132,6 +138,8 @@ impl SecureMessage {
 }
 
 impl ::protobuf::Message for SecureMessage {
+    const NAME: &'static str = "SecureMessage";
+
     fn is_initialized(&self) -> bool {
         if self.header_and_body.is_none() {
             return false;
@@ -142,18 +150,17 @@ impl ::protobuf::Message for SecureMessage {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.header_and_body)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.header_and_body = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.signature)?;
+                18 => {
+                    self.signature = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -162,93 +169,81 @@ impl ::protobuf::Message for SecureMessage {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.header_and_body.as_ref() {
+        if let Some(v) = self.header_and_body.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
-        if let Some(ref v) = self.signature.as_ref() {
+        if let Some(v) = self.signature.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.header_and_body.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.header_and_body.as_ref() {
+            os.write_bytes(1, v)?;
         }
-        if let Some(ref v) = self.signature.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.signature.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> SecureMessage {
         SecureMessage::new()
     }
 
-    fn default_instance() -> &'static SecureMessage {
-        static instance: ::protobuf::rt::LazyV2<SecureMessage> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(SecureMessage::new)
-    }
-}
-
-impl ::protobuf::Clear for SecureMessage {
     fn clear(&mut self) {
-        self.header_and_body.clear();
-        self.signature.clear();
-        self.unknown_fields.clear();
+        self.header_and_body = ::std::option::Option::None;
+        self.signature = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for SecureMessage {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static SecureMessage {
+        static instance: SecureMessage = SecureMessage {
+            header_and_body: ::std::option::Option::None,
+            signature: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.Header)
 pub struct Header {
     // message fields
-    signature_scheme: ::std::option::Option<SigScheme>,
-    encryption_scheme: ::std::option::Option<EncScheme>,
-    verification_key_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    decryption_key_id: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    iv: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    public_metadata: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    associated_data_length: ::std::option::Option<u32>,
+    // @@protoc_insertion_point(field:securemessage.Header.signature_scheme)
+    pub signature_scheme: ::std::option::Option<::protobuf::EnumOrUnknown<SigScheme>>,
+    // @@protoc_insertion_point(field:securemessage.Header.encryption_scheme)
+    pub encryption_scheme: ::std::option::Option<::protobuf::EnumOrUnknown<EncScheme>>,
+    // @@protoc_insertion_point(field:securemessage.Header.verification_key_id)
+    pub verification_key_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.Header.decryption_key_id)
+    pub decryption_key_id: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.Header.iv)
+    pub iv: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.Header.public_metadata)
+    pub public_metadata: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.Header.associated_data_length)
+    pub associated_data_length: ::std::option::Option<u32>,
+    // @@protoc_insertion_point(field:securemessage.Header.nonce)
+    pub nonce: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.Header.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Header {
@@ -264,10 +259,13 @@ impl Header {
 
     // required .securemessage.SigScheme signature_scheme = 1;
 
-
-    pub fn get_signature_scheme(&self) -> SigScheme {
-        self.signature_scheme.unwrap_or(SigScheme::HMAC_SHA256)
+    pub fn signature_scheme(&self) -> SigScheme {
+        match self.signature_scheme {
+            Some(e) => e.enum_value_or(SigScheme::HMAC_SHA256),
+            None => SigScheme::HMAC_SHA256,
+        }
     }
+
     pub fn clear_signature_scheme(&mut self) {
         self.signature_scheme = ::std::option::Option::None;
     }
@@ -278,15 +276,18 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_signature_scheme(&mut self, v: SigScheme) {
-        self.signature_scheme = ::std::option::Option::Some(v);
+        self.signature_scheme = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // required .securemessage.EncScheme encryption_scheme = 2;
 
-
-    pub fn get_encryption_scheme(&self) -> EncScheme {
-        self.encryption_scheme.unwrap_or(EncScheme::NONE)
+    pub fn encryption_scheme(&self) -> EncScheme {
+        match self.encryption_scheme {
+            Some(e) => e.enum_value_or(EncScheme::NONE),
+            None => EncScheme::NONE,
+        }
     }
+
     pub fn clear_encryption_scheme(&mut self) {
         self.encryption_scheme = ::std::option::Option::None;
     }
@@ -297,20 +298,20 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_encryption_scheme(&mut self, v: EncScheme) {
-        self.encryption_scheme = ::std::option::Option::Some(v);
+        self.encryption_scheme = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional bytes verification_key_id = 3;
 
-
-    pub fn get_verification_key_id(&self) -> &[u8] {
+    pub fn verification_key_id(&self) -> &[u8] {
         match self.verification_key_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_verification_key_id(&mut self) {
-        self.verification_key_id.clear();
+        self.verification_key_id = ::std::option::Option::None;
     }
 
     pub fn has_verification_key_id(&self) -> bool {
@@ -319,14 +320,14 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_verification_key_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.verification_key_id = ::protobuf::SingularField::some(v);
+        self.verification_key_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_verification_key_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.verification_key_id.is_none() {
-            self.verification_key_id.set_default();
+            self.verification_key_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.verification_key_id.as_mut().unwrap()
     }
@@ -338,15 +339,15 @@ impl Header {
 
     // optional bytes decryption_key_id = 4;
 
-
-    pub fn get_decryption_key_id(&self) -> &[u8] {
+    pub fn decryption_key_id(&self) -> &[u8] {
         match self.decryption_key_id.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_decryption_key_id(&mut self) {
-        self.decryption_key_id.clear();
+        self.decryption_key_id = ::std::option::Option::None;
     }
 
     pub fn has_decryption_key_id(&self) -> bool {
@@ -355,14 +356,14 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_decryption_key_id(&mut self, v: ::std::vec::Vec<u8>) {
-        self.decryption_key_id = ::protobuf::SingularField::some(v);
+        self.decryption_key_id = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_decryption_key_id(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.decryption_key_id.is_none() {
-            self.decryption_key_id.set_default();
+            self.decryption_key_id = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.decryption_key_id.as_mut().unwrap()
     }
@@ -374,15 +375,15 @@ impl Header {
 
     // optional bytes iv = 5;
 
-
-    pub fn get_iv(&self) -> &[u8] {
+    pub fn iv(&self) -> &[u8] {
         match self.iv.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_iv(&mut self) {
-        self.iv.clear();
+        self.iv = ::std::option::Option::None;
     }
 
     pub fn has_iv(&self) -> bool {
@@ -391,14 +392,14 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_iv(&mut self, v: ::std::vec::Vec<u8>) {
-        self.iv = ::protobuf::SingularField::some(v);
+        self.iv = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_iv(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.iv.is_none() {
-            self.iv.set_default();
+            self.iv = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.iv.as_mut().unwrap()
     }
@@ -410,15 +411,15 @@ impl Header {
 
     // optional bytes public_metadata = 6;
 
-
-    pub fn get_public_metadata(&self) -> &[u8] {
+    pub fn public_metadata(&self) -> &[u8] {
         match self.public_metadata.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_public_metadata(&mut self) {
-        self.public_metadata.clear();
+        self.public_metadata = ::std::option::Option::None;
     }
 
     pub fn has_public_metadata(&self) -> bool {
@@ -427,14 +428,14 @@ impl Header {
 
     // Param is passed by value, moved
     pub fn set_public_metadata(&mut self, v: ::std::vec::Vec<u8>) {
-        self.public_metadata = ::protobuf::SingularField::some(v);
+        self.public_metadata = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_public_metadata(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.public_metadata.is_none() {
-            self.public_metadata.set_default();
+            self.public_metadata = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.public_metadata.as_mut().unwrap()
     }
@@ -446,10 +447,10 @@ impl Header {
 
     // optional uint32 associated_data_length = 7;
 
-
-    pub fn get_associated_data_length(&self) -> u32 {
+    pub fn associated_data_length(&self) -> u32 {
         self.associated_data_length.unwrap_or(0u32)
     }
+
     pub fn clear_associated_data_length(&mut self) {
         self.associated_data_length = ::std::option::Option::None;
     }
@@ -462,9 +463,47 @@ impl Header {
     pub fn set_associated_data_length(&mut self, v: u32) {
         self.associated_data_length = ::std::option::Option::Some(v);
     }
+
+    // optional bytes nonce = 8;
+
+    pub fn nonce(&self) -> &[u8] {
+        match self.nonce.as_ref() {
+            Some(v) => v,
+            None => &[],
+        }
+    }
+
+    pub fn clear_nonce(&mut self) {
+        self.nonce = ::std::option::Option::None;
+    }
+
+    pub fn has_nonce(&self) -> bool {
+        self.nonce.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_nonce(&mut self, v: ::std::vec::Vec<u8>) {
+        self.nonce = ::std::option::Option::Some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_nonce(&mut self) -> &mut ::std::vec::Vec<u8> {
+        if self.nonce.is_none() {
+            self.nonce = ::std::option::Option::Some(::std::vec::Vec::new());
+        }
+        self.nonce.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_nonce(&mut self) -> ::std::vec::Vec<u8> {
+        self.nonce.take().unwrap_or_else(|| ::std::vec::Vec::new())
+    }
 }
 
 impl ::protobuf::Message for Header {
+    const NAME: &'static str = "Header";
+
     fn is_initialized(&self) -> bool {
         if self.signature_scheme.is_none() {
             return false;
@@ -475,37 +514,35 @@ impl ::protobuf::Message for Header {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.signature_scheme, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.signature_scheme = ::std::option::Option::Some(is.read_enum_or_unknown()?);
+                },
+                16 => {
+                    self.encryption_scheme = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.encryption_scheme, 2, &mut self.unknown_fields)?
+                26 => {
+                    self.verification_key_id = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                3 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.verification_key_id)?;
+                34 => {
+                    self.decryption_key_id = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.decryption_key_id)?;
+                42 => {
+                    self.iv = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                5 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.iv)?;
+                50 => {
+                    self.public_metadata = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                6 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.public_metadata)?;
+                56 => {
+                    self.associated_data_length = ::std::option::Option::Some(is.read_uint32()?);
                 },
-                7 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_uint32()?;
-                    self.associated_data_length = ::std::option::Option::Some(tmp);
+                66 => {
+                    self.nonce = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -514,123 +551,117 @@ impl ::protobuf::Message for Header {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.signature_scheme {
-            my_size += ::protobuf::rt::enum_size(1, v);
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
         if let Some(v) = self.encryption_scheme {
-            my_size += ::protobuf::rt::enum_size(2, v);
+            my_size += ::protobuf::rt::int32_size(2, v.value());
         }
-        if let Some(ref v) = self.verification_key_id.as_ref() {
+        if let Some(v) = self.verification_key_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(3, &v);
         }
-        if let Some(ref v) = self.decryption_key_id.as_ref() {
+        if let Some(v) = self.decryption_key_id.as_ref() {
             my_size += ::protobuf::rt::bytes_size(4, &v);
         }
-        if let Some(ref v) = self.iv.as_ref() {
+        if let Some(v) = self.iv.as_ref() {
             my_size += ::protobuf::rt::bytes_size(5, &v);
         }
-        if let Some(ref v) = self.public_metadata.as_ref() {
+        if let Some(v) = self.public_metadata.as_ref() {
             my_size += ::protobuf::rt::bytes_size(6, &v);
         }
         if let Some(v) = self.associated_data_length {
-            my_size += ::protobuf::rt::value_size(7, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::uint32_size(7, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        if let Some(v) = self.nonce.as_ref() {
+            my_size += ::protobuf::rt::bytes_size(8, &v);
+        }
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.signature_scheme {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
         if let Some(v) = self.encryption_scheme {
-            os.write_enum(2, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(2, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.verification_key_id.as_ref() {
-            os.write_bytes(3, &v)?;
+        if let Some(v) = self.verification_key_id.as_ref() {
+            os.write_bytes(3, v)?;
         }
-        if let Some(ref v) = self.decryption_key_id.as_ref() {
-            os.write_bytes(4, &v)?;
+        if let Some(v) = self.decryption_key_id.as_ref() {
+            os.write_bytes(4, v)?;
         }
-        if let Some(ref v) = self.iv.as_ref() {
-            os.write_bytes(5, &v)?;
+        if let Some(v) = self.iv.as_ref() {
+            os.write_bytes(5, v)?;
         }
-        if let Some(ref v) = self.public_metadata.as_ref() {
-            os.write_bytes(6, &v)?;
+        if let Some(v) = self.public_metadata.as_ref() {
+            os.write_bytes(6, v)?;
         }
         if let Some(v) = self.associated_data_length {
             os.write_uint32(7, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        if let Some(v) = self.nonce.as_ref() {
+            os.write_bytes(8, v)?;
+        }
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Header {
         Header::new()
     }
 
-    fn default_instance() -> &'static Header {
-        static instance: ::protobuf::rt::LazyV2<Header> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Header::new)
-    }
-}
-
-impl ::protobuf::Clear for Header {
     fn clear(&mut self) {
         self.signature_scheme = ::std::option::Option::None;
         self.encryption_scheme = ::std::option::Option::None;
-        self.verification_key_id.clear();
-        self.decryption_key_id.clear();
-        self.iv.clear();
-        self.public_metadata.clear();
+        self.verification_key_id = ::std::option::Option::None;
+        self.decryption_key_id = ::std::option::Option::None;
+        self.iv = ::std::option::Option::None;
+        self.public_metadata = ::std::option::Option::None;
         self.associated_data_length = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.nonce = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Header {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Header {
+        static instance: Header = Header {
+            signature_scheme: ::std::option::Option::None,
+            encryption_scheme: ::std::option::Option::None,
+            verification_key_id: ::std::option::Option::None,
+            decryption_key_id: ::std::option::Option::None,
+            iv: ::std::option::Option::None,
+            public_metadata: ::std::option::Option::None,
+            associated_data_length: ::std::option::Option::None,
+            nonce: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.HeaderAndBody)
 pub struct HeaderAndBody {
     // message fields
-    pub header: ::protobuf::SingularPtrField<Header>,
-    body: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.HeaderAndBody.header)
+    pub header: ::protobuf::MessageField<Header>,
+    // @@protoc_insertion_point(field:securemessage.HeaderAndBody.body)
+    pub body: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.HeaderAndBody.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a HeaderAndBody {
@@ -644,50 +675,17 @@ impl HeaderAndBody {
         ::std::default::Default::default()
     }
 
-    // required .securemessage.Header header = 1;
-
-
-    pub fn get_header(&self) -> &Header {
-        self.header.as_ref().unwrap_or_else(|| <Header as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_header(&mut self) {
-        self.header.clear();
-    }
-
-    pub fn has_header(&self) -> bool {
-        self.header.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_header(&mut self, v: Header) {
-        self.header = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_header(&mut self) -> &mut Header {
-        if self.header.is_none() {
-            self.header.set_default();
-        }
-        self.header.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_header(&mut self) -> Header {
-        self.header.take().unwrap_or_else(|| Header::new())
-    }
-
     // required bytes body = 2;
 
-
-    pub fn get_body(&self) -> &[u8] {
+    pub fn body(&self) -> &[u8] {
         match self.body.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_body(&mut self) {
-        self.body.clear();
+        self.body = ::std::option::Option::None;
     }
 
     pub fn has_body(&self) -> bool {
@@ -696,14 +694,14 @@ impl HeaderAndBody {
 
     // Param is passed by value, moved
     pub fn set_body(&mut self, v: ::std::vec::Vec<u8>) {
-        self.body = ::protobuf::SingularField::some(v);
+        self.body = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_body(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.body.is_none() {
-            self.body.set_default();
+            self.body = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.body.as_mut().unwrap()
     }
@@ -715,6 +713,8 @@ impl HeaderAndBody {
 }
 
 impl ::protobuf::Message for HeaderAndBody {
+    const NAME: &'static str = "HeaderAndBody";
+
     fn is_initialized(&self) -> bool {
         if self.header.is_none() {
             return false;
@@ -730,18 +730,17 @@ impl ::protobuf::Message for HeaderAndBody {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.header)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.header)?;
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.body)?;
+                18 => {
+                    self.body = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -750,91 +749,70 @@ impl ::protobuf::Message for HeaderAndBody {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.header.as_ref() {
+        if let Some(v) = self.header.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
-        if let Some(ref v) = self.body.as_ref() {
+        if let Some(v) = self.body.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.header.as_ref() {
-            os.write_tag(1, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.header.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(1, v, os)?;
         }
-        if let Some(ref v) = self.body.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.body.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> HeaderAndBody {
         HeaderAndBody::new()
     }
 
-    fn default_instance() -> &'static HeaderAndBody {
-        static instance: ::protobuf::rt::LazyV2<HeaderAndBody> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(HeaderAndBody::new)
-    }
-}
-
-impl ::protobuf::Clear for HeaderAndBody {
     fn clear(&mut self) {
         self.header.clear();
-        self.body.clear();
-        self.unknown_fields.clear();
+        self.body = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for HeaderAndBody {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static HeaderAndBody {
+        static instance: HeaderAndBody = HeaderAndBody {
+            header: ::protobuf::MessageField::none(),
+            body: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.HeaderAndBodyInternal)
 pub struct HeaderAndBodyInternal {
     // message fields
-    header: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    body: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.HeaderAndBodyInternal.header)
+    pub header: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.HeaderAndBodyInternal.body)
+    pub body: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.HeaderAndBodyInternal.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a HeaderAndBodyInternal {
@@ -850,15 +828,15 @@ impl HeaderAndBodyInternal {
 
     // required bytes header = 1;
 
-
-    pub fn get_header(&self) -> &[u8] {
+    pub fn header(&self) -> &[u8] {
         match self.header.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_header(&mut self) {
-        self.header.clear();
+        self.header = ::std::option::Option::None;
     }
 
     pub fn has_header(&self) -> bool {
@@ -867,14 +845,14 @@ impl HeaderAndBodyInternal {
 
     // Param is passed by value, moved
     pub fn set_header(&mut self, v: ::std::vec::Vec<u8>) {
-        self.header = ::protobuf::SingularField::some(v);
+        self.header = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_header(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.header.is_none() {
-            self.header.set_default();
+            self.header = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.header.as_mut().unwrap()
     }
@@ -886,15 +864,15 @@ impl HeaderAndBodyInternal {
 
     // required bytes body = 2;
 
-
-    pub fn get_body(&self) -> &[u8] {
+    pub fn body(&self) -> &[u8] {
         match self.body.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_body(&mut self) {
-        self.body.clear();
+        self.body = ::std::option::Option::None;
     }
 
     pub fn has_body(&self) -> bool {
@@ -903,14 +881,14 @@ impl HeaderAndBodyInternal {
 
     // Param is passed by value, moved
     pub fn set_body(&mut self, v: ::std::vec::Vec<u8>) {
-        self.body = ::protobuf::SingularField::some(v);
+        self.body = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_body(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.body.is_none() {
-            self.body.set_default();
+            self.body = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.body.as_mut().unwrap()
     }
@@ -922,6 +900,8 @@ impl HeaderAndBodyInternal {
 }
 
 impl ::protobuf::Message for HeaderAndBodyInternal {
+    const NAME: &'static str = "HeaderAndBodyInternal";
+
     fn is_initialized(&self) -> bool {
         if self.header.is_none() {
             return false;
@@ -932,18 +912,17 @@ impl ::protobuf::Message for HeaderAndBodyInternal {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.header)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.header = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.body)?;
+                18 => {
+                    self.body = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -952,88 +931,69 @@ impl ::protobuf::Message for HeaderAndBodyInternal {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.header.as_ref() {
+        if let Some(v) = self.header.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
-        if let Some(ref v) = self.body.as_ref() {
+        if let Some(v) = self.body.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.header.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.header.as_ref() {
+            os.write_bytes(1, v)?;
         }
-        if let Some(ref v) = self.body.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.body.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> HeaderAndBodyInternal {
         HeaderAndBodyInternal::new()
     }
 
-    fn default_instance() -> &'static HeaderAndBodyInternal {
-        static instance: ::protobuf::rt::LazyV2<HeaderAndBodyInternal> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(HeaderAndBodyInternal::new)
-    }
-}
-
-impl ::protobuf::Clear for HeaderAndBodyInternal {
     fn clear(&mut self) {
-        self.header.clear();
-        self.body.clear();
-        self.unknown_fields.clear();
+        self.header = ::std::option::Option::None;
+        self.body = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for HeaderAndBodyInternal {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static HeaderAndBodyInternal {
+        static instance: HeaderAndBodyInternal = HeaderAndBodyInternal {
+            header: ::std::option::Option::None,
+            body: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.EcP256PublicKey)
 pub struct EcP256PublicKey {
     // message fields
-    x: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    y: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.EcP256PublicKey.x)
+    pub x: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.EcP256PublicKey.y)
+    pub y: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.EcP256PublicKey.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a EcP256PublicKey {
@@ -1049,15 +1009,15 @@ impl EcP256PublicKey {
 
     // required bytes x = 1;
 
-
-    pub fn get_x(&self) -> &[u8] {
+    pub fn x(&self) -> &[u8] {
         match self.x.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_x(&mut self) {
-        self.x.clear();
+        self.x = ::std::option::Option::None;
     }
 
     pub fn has_x(&self) -> bool {
@@ -1066,14 +1026,14 @@ impl EcP256PublicKey {
 
     // Param is passed by value, moved
     pub fn set_x(&mut self, v: ::std::vec::Vec<u8>) {
-        self.x = ::protobuf::SingularField::some(v);
+        self.x = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_x(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.x.is_none() {
-            self.x.set_default();
+            self.x = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.x.as_mut().unwrap()
     }
@@ -1085,15 +1045,15 @@ impl EcP256PublicKey {
 
     // required bytes y = 2;
 
-
-    pub fn get_y(&self) -> &[u8] {
+    pub fn y(&self) -> &[u8] {
         match self.y.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_y(&mut self) {
-        self.y.clear();
+        self.y = ::std::option::Option::None;
     }
 
     pub fn has_y(&self) -> bool {
@@ -1102,14 +1062,14 @@ impl EcP256PublicKey {
 
     // Param is passed by value, moved
     pub fn set_y(&mut self, v: ::std::vec::Vec<u8>) {
-        self.y = ::protobuf::SingularField::some(v);
+        self.y = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_y(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.y.is_none() {
-            self.y.set_default();
+            self.y = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.y.as_mut().unwrap()
     }
@@ -1121,6 +1081,8 @@ impl EcP256PublicKey {
 }
 
 impl ::protobuf::Message for EcP256PublicKey {
+    const NAME: &'static str = "EcP256PublicKey";
+
     fn is_initialized(&self) -> bool {
         if self.x.is_none() {
             return false;
@@ -1131,18 +1093,17 @@ impl ::protobuf::Message for EcP256PublicKey {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.x)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.x = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.y)?;
+                18 => {
+                    self.y = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1151,88 +1112,69 @@ impl ::protobuf::Message for EcP256PublicKey {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.x.as_ref() {
+        if let Some(v) = self.x.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
-        if let Some(ref v) = self.y.as_ref() {
+        if let Some(v) = self.y.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.x.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.x.as_ref() {
+            os.write_bytes(1, v)?;
         }
-        if let Some(ref v) = self.y.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.y.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> EcP256PublicKey {
         EcP256PublicKey::new()
     }
 
-    fn default_instance() -> &'static EcP256PublicKey {
-        static instance: ::protobuf::rt::LazyV2<EcP256PublicKey> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(EcP256PublicKey::new)
-    }
-}
-
-impl ::protobuf::Clear for EcP256PublicKey {
     fn clear(&mut self) {
-        self.x.clear();
-        self.y.clear();
-        self.unknown_fields.clear();
+        self.x = ::std::option::Option::None;
+        self.y = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for EcP256PublicKey {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static EcP256PublicKey {
+        static instance: EcP256PublicKey = EcP256PublicKey {
+            x: ::std::option::Option::None,
+            y: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.SimpleRsaPublicKey)
 pub struct SimpleRsaPublicKey {
     // message fields
-    n: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    e: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securemessage.SimpleRsaPublicKey.n)
+    pub n: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.SimpleRsaPublicKey.e)
+    pub e: ::std::option::Option<i32>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.SimpleRsaPublicKey.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a SimpleRsaPublicKey {
@@ -1248,15 +1190,15 @@ impl SimpleRsaPublicKey {
 
     // required bytes n = 1;
 
-
-    pub fn get_n(&self) -> &[u8] {
+    pub fn n(&self) -> &[u8] {
         match self.n.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_n(&mut self) {
-        self.n.clear();
+        self.n = ::std::option::Option::None;
     }
 
     pub fn has_n(&self) -> bool {
@@ -1265,14 +1207,14 @@ impl SimpleRsaPublicKey {
 
     // Param is passed by value, moved
     pub fn set_n(&mut self, v: ::std::vec::Vec<u8>) {
-        self.n = ::protobuf::SingularField::some(v);
+        self.n = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_n(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.n.is_none() {
-            self.n.set_default();
+            self.n = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.n.as_mut().unwrap()
     }
@@ -1284,10 +1226,10 @@ impl SimpleRsaPublicKey {
 
     // optional int32 e = 2;
 
-
-    pub fn get_e(&self) -> i32 {
+    pub fn e(&self) -> i32 {
         self.e.unwrap_or(65537i32)
     }
+
     pub fn clear_e(&mut self) {
         self.e = ::std::option::Option::None;
     }
@@ -1303,6 +1245,8 @@ impl SimpleRsaPublicKey {
 }
 
 impl ::protobuf::Message for SimpleRsaPublicKey {
+    const NAME: &'static str = "SimpleRsaPublicKey";
+
     fn is_initialized(&self) -> bool {
         if self.n.is_none() {
             return false;
@@ -1310,22 +1254,17 @@ impl ::protobuf::Message for SimpleRsaPublicKey {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.n)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.n = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.e = ::std::option::Option::Some(tmp);
+                16 => {
+                    self.e = ::std::option::Option::Some(is.read_int32()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1334,87 +1273,67 @@ impl ::protobuf::Message for SimpleRsaPublicKey {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.n.as_ref() {
+        if let Some(v) = self.n.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
         if let Some(v) = self.e {
-            my_size += ::protobuf::rt::value_size(2, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(2, v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.n.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.n.as_ref() {
+            os.write_bytes(1, v)?;
         }
         if let Some(v) = self.e {
             os.write_int32(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> SimpleRsaPublicKey {
         SimpleRsaPublicKey::new()
     }
 
-    fn default_instance() -> &'static SimpleRsaPublicKey {
-        static instance: ::protobuf::rt::LazyV2<SimpleRsaPublicKey> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(SimpleRsaPublicKey::new)
-    }
-}
-
-impl ::protobuf::Clear for SimpleRsaPublicKey {
     fn clear(&mut self) {
-        self.n.clear();
+        self.n = ::std::option::Option::None;
         self.e = ::std::option::Option::None;
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for SimpleRsaPublicKey {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static SimpleRsaPublicKey {
+        static instance: SimpleRsaPublicKey = SimpleRsaPublicKey {
+            n: ::std::option::Option::None,
+            e: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.DhPublicKey)
 pub struct DhPublicKey {
     // message fields
-    y: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securemessage.DhPublicKey.y)
+    pub y: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.DhPublicKey.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a DhPublicKey {
@@ -1430,15 +1349,15 @@ impl DhPublicKey {
 
     // required bytes y = 1;
 
-
-    pub fn get_y(&self) -> &[u8] {
+    pub fn y(&self) -> &[u8] {
         match self.y.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_y(&mut self) {
-        self.y.clear();
+        self.y = ::std::option::Option::None;
     }
 
     pub fn has_y(&self) -> bool {
@@ -1447,14 +1366,14 @@ impl DhPublicKey {
 
     // Param is passed by value, moved
     pub fn set_y(&mut self, v: ::std::vec::Vec<u8>) {
-        self.y = ::protobuf::SingularField::some(v);
+        self.y = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_y(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.y.is_none() {
-            self.y.set_default();
+            self.y = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.y.as_mut().unwrap()
     }
@@ -1466,6 +1385,8 @@ impl DhPublicKey {
 }
 
 impl ::protobuf::Message for DhPublicKey {
+    const NAME: &'static str = "DhPublicKey";
+
     fn is_initialized(&self) -> bool {
         if self.y.is_none() {
             return false;
@@ -1473,15 +1394,14 @@ impl ::protobuf::Message for DhPublicKey {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.y)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.y = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1490,83 +1410,65 @@ impl ::protobuf::Message for DhPublicKey {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.y.as_ref() {
+        if let Some(v) = self.y.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.y.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.y.as_ref() {
+            os.write_bytes(1, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> DhPublicKey {
         DhPublicKey::new()
     }
 
-    fn default_instance() -> &'static DhPublicKey {
-        static instance: ::protobuf::rt::LazyV2<DhPublicKey> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(DhPublicKey::new)
-    }
-}
-
-impl ::protobuf::Clear for DhPublicKey {
     fn clear(&mut self) {
-        self.y.clear();
-        self.unknown_fields.clear();
+        self.y = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for DhPublicKey {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static DhPublicKey {
+        static instance: DhPublicKey = DhPublicKey {
+            y: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securemessage.GenericPublicKey)
 pub struct GenericPublicKey {
     // message fields
-    field_type: ::std::option::Option<PublicKeyType>,
-    pub ec_p256_public_key: ::protobuf::SingularPtrField<EcP256PublicKey>,
-    pub rsa2048_public_key: ::protobuf::SingularPtrField<SimpleRsaPublicKey>,
-    pub dh2048_public_key: ::protobuf::SingularPtrField<DhPublicKey>,
+    // @@protoc_insertion_point(field:securemessage.GenericPublicKey.type)
+    pub type_: ::std::option::Option<::protobuf::EnumOrUnknown<PublicKeyType>>,
+    // @@protoc_insertion_point(field:securemessage.GenericPublicKey.ec_p256_public_key)
+    pub ec_p256_public_key: ::protobuf::MessageField<EcP256PublicKey>,
+    // @@protoc_insertion_point(field:securemessage.GenericPublicKey.rsa2048_public_key)
+    pub rsa2048_public_key: ::protobuf::MessageField<SimpleRsaPublicKey>,
+    // @@protoc_insertion_point(field:securemessage.GenericPublicKey.dh2048_public_key)
+    pub dh2048_public_key: ::protobuf::MessageField<DhPublicKey>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securemessage.GenericPublicKey.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a GenericPublicKey {
@@ -1582,126 +1484,32 @@ impl GenericPublicKey {
 
     // required .securemessage.PublicKeyType type = 1;
 
-
-    pub fn get_field_type(&self) -> PublicKeyType {
-        self.field_type.unwrap_or(PublicKeyType::EC_P256)
-    }
-    pub fn clear_field_type(&mut self) {
-        self.field_type = ::std::option::Option::None;
-    }
-
-    pub fn has_field_type(&self) -> bool {
-        self.field_type.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_field_type(&mut self, v: PublicKeyType) {
-        self.field_type = ::std::option::Option::Some(v);
-    }
-
-    // optional .securemessage.EcP256PublicKey ec_p256_public_key = 2;
-
-
-    pub fn get_ec_p256_public_key(&self) -> &EcP256PublicKey {
-        self.ec_p256_public_key.as_ref().unwrap_or_else(|| <EcP256PublicKey as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_ec_p256_public_key(&mut self) {
-        self.ec_p256_public_key.clear();
-    }
-
-    pub fn has_ec_p256_public_key(&self) -> bool {
-        self.ec_p256_public_key.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_ec_p256_public_key(&mut self, v: EcP256PublicKey) {
-        self.ec_p256_public_key = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_ec_p256_public_key(&mut self) -> &mut EcP256PublicKey {
-        if self.ec_p256_public_key.is_none() {
-            self.ec_p256_public_key.set_default();
-        }
-        self.ec_p256_public_key.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_ec_p256_public_key(&mut self) -> EcP256PublicKey {
-        self.ec_p256_public_key.take().unwrap_or_else(|| EcP256PublicKey::new())
-    }
-
-    // optional .securemessage.SimpleRsaPublicKey rsa2048_public_key = 3;
-
-
-    pub fn get_rsa2048_public_key(&self) -> &SimpleRsaPublicKey {
-        self.rsa2048_public_key.as_ref().unwrap_or_else(|| <SimpleRsaPublicKey as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_rsa2048_public_key(&mut self) {
-        self.rsa2048_public_key.clear();
-    }
-
-    pub fn has_rsa2048_public_key(&self) -> bool {
-        self.rsa2048_public_key.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_rsa2048_public_key(&mut self, v: SimpleRsaPublicKey) {
-        self.rsa2048_public_key = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_rsa2048_public_key(&mut self) -> &mut SimpleRsaPublicKey {
-        if self.rsa2048_public_key.is_none() {
-            self.rsa2048_public_key.set_default();
+    pub fn type_(&self) -> PublicKeyType {
+        match self.type_ {
+            Some(e) => e.enum_value_or(PublicKeyType::EC_P256),
+            None => PublicKeyType::EC_P256,
         }
-        self.rsa2048_public_key.as_mut().unwrap()
     }
 
-    // Take field
-    pub fn take_rsa2048_public_key(&mut self) -> SimpleRsaPublicKey {
-        self.rsa2048_public_key.take().unwrap_or_else(|| SimpleRsaPublicKey::new())
-    }
-
-    // optional .securemessage.DhPublicKey dh2048_public_key = 4;
-
-
-    pub fn get_dh2048_public_key(&self) -> &DhPublicKey {
-        self.dh2048_public_key.as_ref().unwrap_or_else(|| <DhPublicKey as ::protobuf::Message>::default_instance())
-    }
-    pub fn clear_dh2048_public_key(&mut self) {
-        self.dh2048_public_key.clear();
+    pub fn clear_type_(&mut self) {
+        self.type_ = ::std::option::Option::None;
     }
 
-    pub fn has_dh2048_public_key(&self) -> bool {
-        self.dh2048_public_key.is_some()
+    pub fn has_type(&self) -> bool {
+        self.type_.is_some()
     }
 
     // Param is passed by value, moved
-    pub fn set_dh2048_public_key(&mut self, v: DhPublicKey) {
-        self.dh2048_public_key = ::protobuf::SingularPtrField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_dh2048_public_key(&mut self) -> &mut DhPublicKey {
-        if self.dh2048_public_key.is_none() {
-            self.dh2048_public_key.set_default();
-        }
-        self.dh2048_public_key.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_dh2048_public_key(&mut self) -> DhPublicKey {
-        self.dh2048_public_key.take().unwrap_or_else(|| DhPublicKey::new())
+    pub fn set_type(&mut self, v: PublicKeyType) {
+        self.type_ = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 }
 
 impl ::protobuf::Message for GenericPublicKey {
+    const NAME: &'static str = "GenericPublicKey";
+
     fn is_initialized(&self) -> bool {
-        if self.field_type.is_none() {
+        if self.type_.is_none() {
             return false;
         }
         for v in &self.ec_p256_public_key {
@@ -1722,24 +1530,23 @@ impl ::protobuf::Message for GenericPublicKey {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.field_type, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.type_ = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.ec_p256_public_key)?;
+                18 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.ec_p256_public_key)?;
                 },
-                3 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.rsa2048_public_key)?;
+                26 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.rsa2048_public_key)?;
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_message_into(wire_type, is, &mut self.dh2048_public_key)?;
+                34 => {
+                    ::protobuf::rt::read_singular_message_into_field(is, &mut self.dh2048_public_key)?;
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1748,111 +1555,93 @@ impl ::protobuf::Message for GenericPublicKey {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(v) = self.field_type {
-            my_size += ::protobuf::rt::enum_size(1, v);
+        if let Some(v) = self.type_ {
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
-        if let Some(ref v) = self.ec_p256_public_key.as_ref() {
+        if let Some(v) = self.ec_p256_public_key.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
-        if let Some(ref v) = self.rsa2048_public_key.as_ref() {
+        if let Some(v) = self.rsa2048_public_key.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
-        if let Some(ref v) = self.dh2048_public_key.as_ref() {
+        if let Some(v) = self.dh2048_public_key.as_ref() {
             let len = v.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.field_type {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.type_ {
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.ec_p256_public_key.as_ref() {
-            os.write_tag(2, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+        if let Some(v) = self.ec_p256_public_key.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(2, v, os)?;
         }
-        if let Some(ref v) = self.rsa2048_public_key.as_ref() {
-            os.write_tag(3, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+        if let Some(v) = self.rsa2048_public_key.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(3, v, os)?;
         }
-        if let Some(ref v) = self.dh2048_public_key.as_ref() {
-            os.write_tag(4, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+        if let Some(v) = self.dh2048_public_key.as_ref() {
+            ::protobuf::rt::write_message_field_with_cached_size(4, v, os)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> GenericPublicKey {
         GenericPublicKey::new()
     }
 
-    fn default_instance() -> &'static GenericPublicKey {
-        static instance: ::protobuf::rt::LazyV2<GenericPublicKey> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(GenericPublicKey::new)
-    }
-}
-
-impl ::protobuf::Clear for GenericPublicKey {
     fn clear(&mut self) {
-        self.field_type = ::std::option::Option::None;
+        self.type_ = ::std::option::Option::None;
         self.ec_p256_public_key.clear();
         self.rsa2048_public_key.clear();
         self.dh2048_public_key.clear();
-        self.unknown_fields.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for GenericPublicKey {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static GenericPublicKey {
+        static instance: GenericPublicKey = GenericPublicKey {
+            type_: ::std::option::Option::None,
+            ec_p256_public_key: ::protobuf::MessageField::none(),
+            rsa2048_public_key: ::protobuf::MessageField::none(),
+            dh2048_public_key: ::protobuf::MessageField::none(),
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securemessage.SigScheme)
 pub enum SigScheme {
+    // @@protoc_insertion_point(enum_value:securemessage.SigScheme.HMAC_SHA256)
     HMAC_SHA256 = 1,
+    // @@protoc_insertion_point(enum_value:securemessage.SigScheme.ECDSA_P256_SHA256)
     ECDSA_P256_SHA256 = 2,
+    // @@protoc_insertion_point(enum_value:securemessage.SigScheme.RSA2048_SHA256)
     RSA2048_SHA256 = 3,
+    // @@protoc_insertion_point(enum_value:securemessage.SigScheme.AEAD)
+    AEAD = 4,
 }
 
-impl ::protobuf::ProtobufEnum for SigScheme {
+impl ::protobuf::Enum for SigScheme {
+    const NAME: &'static str = "SigScheme";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -1862,21 +1651,17 @@ impl ::protobuf::ProtobufEnum for SigScheme {
             1 => ::std::option::Option::Some(SigScheme::HMAC_SHA256),
             2 => ::std::option::Option::Some(SigScheme::ECDSA_P256_SHA256),
             3 => ::std::option::Option::Some(SigScheme::RSA2048_SHA256),
+            4 => ::std::option::Option::Some(SigScheme::AEAD),
             _ => ::std::option::Option::None
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [SigScheme] = &[
-            SigScheme::HMAC_SHA256,
-            SigScheme::ECDSA_P256_SHA256,
-            SigScheme::RSA2048_SHA256,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for SigScheme {
+    const VALUES: &'static [SigScheme] = &[
+        SigScheme::HMAC_SHA256,
+        SigScheme::ECDSA_P256_SHA256,
+        SigScheme::RSA2048_SHA256,
+        SigScheme::AEAD,
+    ];
 }
 
 // Note, `Default` is implemented although default value is not 0
@@ -1886,19 +1671,21 @@ impl ::std::default::Default for SigScheme {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for SigScheme {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securemessage.EncScheme)
 pub enum EncScheme {
+    // @@protoc_insertion_point(enum_value:securemessage.EncScheme.NONE)
     NONE = 1,
+    // @@protoc_insertion_point(enum_value:securemessage.EncScheme.AES_256_CBC)
     AES_256_CBC = 2,
+    // @@protoc_insertion_point(enum_value:securemessage.EncScheme.AES_256_GCM_SIV)
+    AES_256_GCM_SIV = 3,
 }
 
-impl ::protobuf::ProtobufEnum for EncScheme {
+impl ::protobuf::Enum for EncScheme {
+    const NAME: &'static str = "EncScheme";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -1907,20 +1694,16 @@ impl ::protobuf::ProtobufEnum for EncScheme {
         match value {
             1 => ::std::option::Option::Some(EncScheme::NONE),
             2 => ::std::option::Option::Some(EncScheme::AES_256_CBC),
+            3 => ::std::option::Option::Some(EncScheme::AES_256_GCM_SIV),
             _ => ::std::option::Option::None
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [EncScheme] = &[
-            EncScheme::NONE,
-            EncScheme::AES_256_CBC,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for EncScheme {
+    const VALUES: &'static [EncScheme] = &[
+        EncScheme::NONE,
+        EncScheme::AES_256_CBC,
+        EncScheme::AES_256_GCM_SIV,
+    ];
 }
 
 // Note, `Default` is implemented although default value is not 0
@@ -1930,20 +1713,21 @@ impl ::std::default::Default for EncScheme {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for EncScheme {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securemessage.PublicKeyType)
 pub enum PublicKeyType {
+    // @@protoc_insertion_point(enum_value:securemessage.PublicKeyType.EC_P256)
     EC_P256 = 1,
+    // @@protoc_insertion_point(enum_value:securemessage.PublicKeyType.RSA2048)
     RSA2048 = 2,
+    // @@protoc_insertion_point(enum_value:securemessage.PublicKeyType.DH2048_MODP)
     DH2048_MODP = 3,
 }
 
-impl ::protobuf::ProtobufEnum for PublicKeyType {
+impl ::protobuf::Enum for PublicKeyType {
+    const NAME: &'static str = "PublicKeyType";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -1957,17 +1741,11 @@ impl ::protobuf::ProtobufEnum for PublicKeyType {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [PublicKeyType] = &[
-            PublicKeyType::EC_P256,
-            PublicKeyType::RSA2048,
-            PublicKeyType::DH2048_MODP,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for PublicKeyType {
+    const VALUES: &'static [PublicKeyType] = &[
+        PublicKeyType::EC_P256,
+        PublicKeyType::RSA2048,
+        PublicKeyType::DH2048_MODP,
+    ];
 }
 
 // Note, `Default` is implemented although default value is not 0
@@ -1977,8 +1755,3 @@ impl ::std::default::Default for PublicKeyType {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for PublicKeyType {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
diff --git a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/ukey.rs b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/ukey.rs
index a4aef70..5370207 100644
--- a/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/ukey.rs
+++ b/nearby/connections/ukey2/ukey2_proto/src/ukey2_all_proto/ukey.rs
@@ -12,7 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// This file is generated by rust-protobuf 2.28.0. Do not edit
+// This file is generated by rust-protobuf 3.2.0. Do not edit
+// .proto file is parsed by protoc 3.19.1
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -29,22 +30,27 @@
 #![allow(non_snake_case)]
 #![allow(non_upper_case_globals)]
 #![allow(trivial_casts)]
-#![allow(unused_imports)]
 #![allow(unused_results)]
+#![allow(unused_mut)]
+
 //! Generated file from `ukey.proto`
+// Generated for lite runtime
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_28_0;
+const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_3_2_0;
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Ukey2Message)
 pub struct Ukey2Message {
     // message fields
-    message_type: ::std::option::Option<Ukey2Message_Type>,
-    message_data: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2Message.message_type)
+    pub message_type: ::std::option::Option<::protobuf::EnumOrUnknown<ukey2message::Type>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2Message.message_data)
+    pub message_data: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Ukey2Message.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Ukey2Message {
@@ -60,10 +66,13 @@ impl Ukey2Message {
 
     // optional .securegcm.Ukey2Message.Type message_type = 1;
 
-
-    pub fn get_message_type(&self) -> Ukey2Message_Type {
-        self.message_type.unwrap_or(Ukey2Message_Type::UNKNOWN_DO_NOT_USE)
+    pub fn message_type(&self) -> ukey2message::Type {
+        match self.message_type {
+            Some(e) => e.enum_value_or(ukey2message::Type::UNKNOWN_DO_NOT_USE),
+            None => ukey2message::Type::UNKNOWN_DO_NOT_USE,
+        }
     }
+
     pub fn clear_message_type(&mut self) {
         self.message_type = ::std::option::Option::None;
     }
@@ -73,21 +82,21 @@ impl Ukey2Message {
     }
 
     // Param is passed by value, moved
-    pub fn set_message_type(&mut self, v: Ukey2Message_Type) {
-        self.message_type = ::std::option::Option::Some(v);
+    pub fn set_message_type(&mut self, v: ukey2message::Type) {
+        self.message_type = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional bytes message_data = 2;
 
-
-    pub fn get_message_data(&self) -> &[u8] {
+    pub fn message_data(&self) -> &[u8] {
         match self.message_data.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_message_data(&mut self) {
-        self.message_data.clear();
+        self.message_data = ::std::option::Option::None;
     }
 
     pub fn has_message_data(&self) -> bool {
@@ -96,14 +105,14 @@ impl Ukey2Message {
 
     // Param is passed by value, moved
     pub fn set_message_data(&mut self, v: ::std::vec::Vec<u8>) {
-        self.message_data = ::protobuf::SingularField::some(v);
+        self.message_data = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_message_data(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.message_data.is_none() {
-            self.message_data.set_default();
+            self.message_data = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.message_data.as_mut().unwrap()
     }
@@ -115,22 +124,23 @@ impl Ukey2Message {
 }
 
 impl ::protobuf::Message for Ukey2Message {
+    const NAME: &'static str = "Ukey2Message";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.message_type, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.message_type = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.message_data)?;
+                18 => {
+                    self.message_data = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -139,140 +149,121 @@ impl ::protobuf::Message for Ukey2Message {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.message_type {
-            my_size += ::protobuf::rt::enum_size(1, v);
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
-        if let Some(ref v) = self.message_data.as_ref() {
+        if let Some(v) = self.message_data.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.message_type {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.message_data.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.message_data.as_ref() {
+            os.write_bytes(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Ukey2Message {
         Ukey2Message::new()
     }
 
-    fn default_instance() -> &'static Ukey2Message {
-        static instance: ::protobuf::rt::LazyV2<Ukey2Message> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2Message::new)
-    }
-}
-
-impl ::protobuf::Clear for Ukey2Message {
     fn clear(&mut self) {
         self.message_type = ::std::option::Option::None;
-        self.message_data.clear();
-        self.unknown_fields.clear();
+        self.message_data = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2Message {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Ukey2Message {
+        static instance: Ukey2Message = Ukey2Message {
+            message_type: ::std::option::Option::None,
+            message_data: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
-pub enum Ukey2Message_Type {
-    UNKNOWN_DO_NOT_USE = 0,
-    ALERT = 1,
-    CLIENT_INIT = 2,
-    SERVER_INIT = 3,
-    CLIENT_FINISH = 4,
-}
-
-impl ::protobuf::ProtobufEnum for Ukey2Message_Type {
-    fn value(&self) -> i32 {
-        *self as i32
-    }
+/// Nested message and enums of message `Ukey2Message`
+pub mod ukey2message {
+    #[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+    // @@protoc_insertion_point(enum:securegcm.Ukey2Message.Type)
+    pub enum Type {
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Message.Type.UNKNOWN_DO_NOT_USE)
+        UNKNOWN_DO_NOT_USE = 0,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Message.Type.ALERT)
+        ALERT = 1,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Message.Type.CLIENT_INIT)
+        CLIENT_INIT = 2,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Message.Type.SERVER_INIT)
+        SERVER_INIT = 3,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Message.Type.CLIENT_FINISH)
+        CLIENT_FINISH = 4,
+    }
+
+    impl ::protobuf::Enum for Type {
+        const NAME: &'static str = "Type";
+
+        fn value(&self) -> i32 {
+            *self as i32
+        }
 
-    fn from_i32(value: i32) -> ::std::option::Option<Ukey2Message_Type> {
-        match value {
-            0 => ::std::option::Option::Some(Ukey2Message_Type::UNKNOWN_DO_NOT_USE),
-            1 => ::std::option::Option::Some(Ukey2Message_Type::ALERT),
-            2 => ::std::option::Option::Some(Ukey2Message_Type::CLIENT_INIT),
-            3 => ::std::option::Option::Some(Ukey2Message_Type::SERVER_INIT),
-            4 => ::std::option::Option::Some(Ukey2Message_Type::CLIENT_FINISH),
-            _ => ::std::option::Option::None
+        fn from_i32(value: i32) -> ::std::option::Option<Type> {
+            match value {
+                0 => ::std::option::Option::Some(Type::UNKNOWN_DO_NOT_USE),
+                1 => ::std::option::Option::Some(Type::ALERT),
+                2 => ::std::option::Option::Some(Type::CLIENT_INIT),
+                3 => ::std::option::Option::Some(Type::SERVER_INIT),
+                4 => ::std::option::Option::Some(Type::CLIENT_FINISH),
+                _ => ::std::option::Option::None
+            }
         }
-    }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [Ukey2Message_Type] = &[
-            Ukey2Message_Type::UNKNOWN_DO_NOT_USE,
-            Ukey2Message_Type::ALERT,
-            Ukey2Message_Type::CLIENT_INIT,
-            Ukey2Message_Type::SERVER_INIT,
-            Ukey2Message_Type::CLIENT_FINISH,
+        const VALUES: &'static [Type] = &[
+            Type::UNKNOWN_DO_NOT_USE,
+            Type::ALERT,
+            Type::CLIENT_INIT,
+            Type::SERVER_INIT,
+            Type::CLIENT_FINISH,
         ];
-        values
     }
-}
-
-impl ::std::marker::Copy for Ukey2Message_Type {
-}
 
-impl ::std::default::Default for Ukey2Message_Type {
-    fn default() -> Self {
-        Ukey2Message_Type::UNKNOWN_DO_NOT_USE
+    impl ::std::default::Default for Type {
+        fn default() -> Self {
+            Type::UNKNOWN_DO_NOT_USE
+        }
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2Message_Type {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Ukey2Alert)
 pub struct Ukey2Alert {
     // message fields
-    field_type: ::std::option::Option<Ukey2Alert_AlertType>,
-    error_message: ::protobuf::SingularField<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2Alert.type)
+    pub type_: ::std::option::Option<::protobuf::EnumOrUnknown<ukey2alert::AlertType>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2Alert.error_message)
+    pub error_message: ::std::option::Option<::std::string::String>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Ukey2Alert.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Ukey2Alert {
@@ -288,34 +279,37 @@ impl Ukey2Alert {
 
     // optional .securegcm.Ukey2Alert.AlertType type = 1;
 
-
-    pub fn get_field_type(&self) -> Ukey2Alert_AlertType {
-        self.field_type.unwrap_or(Ukey2Alert_AlertType::BAD_MESSAGE)
+    pub fn type_(&self) -> ukey2alert::AlertType {
+        match self.type_ {
+            Some(e) => e.enum_value_or(ukey2alert::AlertType::BAD_MESSAGE),
+            None => ukey2alert::AlertType::BAD_MESSAGE,
+        }
     }
-    pub fn clear_field_type(&mut self) {
-        self.field_type = ::std::option::Option::None;
+
+    pub fn clear_type_(&mut self) {
+        self.type_ = ::std::option::Option::None;
     }
 
-    pub fn has_field_type(&self) -> bool {
-        self.field_type.is_some()
+    pub fn has_type(&self) -> bool {
+        self.type_.is_some()
     }
 
     // Param is passed by value, moved
-    pub fn set_field_type(&mut self, v: Ukey2Alert_AlertType) {
-        self.field_type = ::std::option::Option::Some(v);
+    pub fn set_type(&mut self, v: ukey2alert::AlertType) {
+        self.type_ = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional string error_message = 2;
 
-
-    pub fn get_error_message(&self) -> &str {
+    pub fn error_message(&self) -> &str {
         match self.error_message.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_error_message(&mut self) {
-        self.error_message.clear();
+        self.error_message = ::std::option::Option::None;
     }
 
     pub fn has_error_message(&self) -> bool {
@@ -324,14 +318,14 @@ impl Ukey2Alert {
 
     // Param is passed by value, moved
     pub fn set_error_message(&mut self, v: ::std::string::String) {
-        self.error_message = ::protobuf::SingularField::some(v);
+        self.error_message = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_error_message(&mut self) -> &mut ::std::string::String {
         if self.error_message.is_none() {
-            self.error_message.set_default();
+            self.error_message = ::std::option::Option::Some(::std::string::String::new());
         }
         self.error_message.as_mut().unwrap()
     }
@@ -343,22 +337,23 @@ impl Ukey2Alert {
 }
 
 impl ::protobuf::Message for Ukey2Alert {
+    const NAME: &'static str = "Ukey2Alert";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.field_type, 1, &mut self.unknown_fields)?
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.type_ = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.error_message)?;
+                18 => {
+                    self.error_message = ::std::option::Option::Some(is.read_string()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -367,158 +362,148 @@ impl ::protobuf::Message for Ukey2Alert {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(v) = self.field_type {
-            my_size += ::protobuf::rt::enum_size(1, v);
+        if let Some(v) = self.type_ {
+            my_size += ::protobuf::rt::int32_size(1, v.value());
         }
-        if let Some(ref v) = self.error_message.as_ref() {
+        if let Some(v) = self.error_message.as_ref() {
             my_size += ::protobuf::rt::string_size(2, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.field_type {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.type_ {
+            os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.error_message.as_ref() {
-            os.write_string(2, &v)?;
+        if let Some(v) = self.error_message.as_ref() {
+            os.write_string(2, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Ukey2Alert {
         Ukey2Alert::new()
     }
 
-    fn default_instance() -> &'static Ukey2Alert {
-        static instance: ::protobuf::rt::LazyV2<Ukey2Alert> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2Alert::new)
-    }
-}
-
-impl ::protobuf::Clear for Ukey2Alert {
     fn clear(&mut self) {
-        self.field_type = ::std::option::Option::None;
-        self.error_message.clear();
-        self.unknown_fields.clear();
+        self.type_ = ::std::option::Option::None;
+        self.error_message = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2Alert {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Ukey2Alert {
+        static instance: Ukey2Alert = Ukey2Alert {
+            type_: ::std::option::Option::None,
+            error_message: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
-pub enum Ukey2Alert_AlertType {
-    BAD_MESSAGE = 1,
-    BAD_MESSAGE_TYPE = 2,
-    INCORRECT_MESSAGE = 3,
-    BAD_MESSAGE_DATA = 4,
-    BAD_VERSION = 100,
-    BAD_RANDOM = 101,
-    BAD_HANDSHAKE_CIPHER = 102,
-    BAD_NEXT_PROTOCOL = 103,
-    BAD_PUBLIC_KEY = 104,
-    INTERNAL_ERROR = 200,
-}
-
-impl ::protobuf::ProtobufEnum for Ukey2Alert_AlertType {
-    fn value(&self) -> i32 {
-        *self as i32
-    }
+/// Nested message and enums of message `Ukey2Alert`
+pub mod ukey2alert {
+    #[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+    // @@protoc_insertion_point(enum:securegcm.Ukey2Alert.AlertType)
+    pub enum AlertType {
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_MESSAGE)
+        BAD_MESSAGE = 1,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_MESSAGE_TYPE)
+        BAD_MESSAGE_TYPE = 2,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.INCORRECT_MESSAGE)
+        INCORRECT_MESSAGE = 3,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_MESSAGE_DATA)
+        BAD_MESSAGE_DATA = 4,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_VERSION)
+        BAD_VERSION = 100,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_RANDOM)
+        BAD_RANDOM = 101,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_HANDSHAKE_CIPHER)
+        BAD_HANDSHAKE_CIPHER = 102,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_NEXT_PROTOCOL)
+        BAD_NEXT_PROTOCOL = 103,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.BAD_PUBLIC_KEY)
+        BAD_PUBLIC_KEY = 104,
+        // @@protoc_insertion_point(enum_value:securegcm.Ukey2Alert.AlertType.INTERNAL_ERROR)
+        INTERNAL_ERROR = 200,
+    }
+
+    impl ::protobuf::Enum for AlertType {
+        const NAME: &'static str = "AlertType";
+
+        fn value(&self) -> i32 {
+            *self as i32
+        }
 
-    fn from_i32(value: i32) -> ::std::option::Option<Ukey2Alert_AlertType> {
-        match value {
-            1 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_MESSAGE),
-            2 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_MESSAGE_TYPE),
-            3 => ::std::option::Option::Some(Ukey2Alert_AlertType::INCORRECT_MESSAGE),
-            4 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_MESSAGE_DATA),
-            100 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_VERSION),
-            101 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_RANDOM),
-            102 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_HANDSHAKE_CIPHER),
-            103 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_NEXT_PROTOCOL),
-            104 => ::std::option::Option::Some(Ukey2Alert_AlertType::BAD_PUBLIC_KEY),
-            200 => ::std::option::Option::Some(Ukey2Alert_AlertType::INTERNAL_ERROR),
-            _ => ::std::option::Option::None
+        fn from_i32(value: i32) -> ::std::option::Option<AlertType> {
+            match value {
+                1 => ::std::option::Option::Some(AlertType::BAD_MESSAGE),
+                2 => ::std::option::Option::Some(AlertType::BAD_MESSAGE_TYPE),
+                3 => ::std::option::Option::Some(AlertType::INCORRECT_MESSAGE),
+                4 => ::std::option::Option::Some(AlertType::BAD_MESSAGE_DATA),
+                100 => ::std::option::Option::Some(AlertType::BAD_VERSION),
+                101 => ::std::option::Option::Some(AlertType::BAD_RANDOM),
+                102 => ::std::option::Option::Some(AlertType::BAD_HANDSHAKE_CIPHER),
+                103 => ::std::option::Option::Some(AlertType::BAD_NEXT_PROTOCOL),
+                104 => ::std::option::Option::Some(AlertType::BAD_PUBLIC_KEY),
+                200 => ::std::option::Option::Some(AlertType::INTERNAL_ERROR),
+                _ => ::std::option::Option::None
+            }
         }
-    }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [Ukey2Alert_AlertType] = &[
-            Ukey2Alert_AlertType::BAD_MESSAGE,
-            Ukey2Alert_AlertType::BAD_MESSAGE_TYPE,
-            Ukey2Alert_AlertType::INCORRECT_MESSAGE,
-            Ukey2Alert_AlertType::BAD_MESSAGE_DATA,
-            Ukey2Alert_AlertType::BAD_VERSION,
-            Ukey2Alert_AlertType::BAD_RANDOM,
-            Ukey2Alert_AlertType::BAD_HANDSHAKE_CIPHER,
-            Ukey2Alert_AlertType::BAD_NEXT_PROTOCOL,
-            Ukey2Alert_AlertType::BAD_PUBLIC_KEY,
-            Ukey2Alert_AlertType::INTERNAL_ERROR,
+        const VALUES: &'static [AlertType] = &[
+            AlertType::BAD_MESSAGE,
+            AlertType::BAD_MESSAGE_TYPE,
+            AlertType::INCORRECT_MESSAGE,
+            AlertType::BAD_MESSAGE_DATA,
+            AlertType::BAD_VERSION,
+            AlertType::BAD_RANDOM,
+            AlertType::BAD_HANDSHAKE_CIPHER,
+            AlertType::BAD_NEXT_PROTOCOL,
+            AlertType::BAD_PUBLIC_KEY,
+            AlertType::INTERNAL_ERROR,
         ];
-        values
     }
-}
 
-impl ::std::marker::Copy for Ukey2Alert_AlertType {
-}
-
-// Note, `Default` is implemented although default value is not 0
-impl ::std::default::Default for Ukey2Alert_AlertType {
-    fn default() -> Self {
-        Ukey2Alert_AlertType::BAD_MESSAGE
+    // Note, `Default` is implemented although default value is not 0
+    impl ::std::default::Default for AlertType {
+        fn default() -> Self {
+            AlertType::BAD_MESSAGE
+        }
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2Alert_AlertType {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Ukey2ClientInit)
 pub struct Ukey2ClientInit {
     // message fields
-    version: ::std::option::Option<i32>,
-    random: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    pub cipher_commitments: ::protobuf::RepeatedField<Ukey2ClientInit_CipherCommitment>,
-    next_protocol: ::protobuf::SingularField<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.version)
+    pub version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.random)
+    pub random: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.cipher_commitments)
+    pub cipher_commitments: ::std::vec::Vec<ukey2client_init::CipherCommitment>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.next_protocol)
+    pub next_protocol: ::std::option::Option<::std::string::String>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.other_next_protocols)
+    pub other_next_protocols: ::std::vec::Vec<::std::string::String>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Ukey2ClientInit.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Ukey2ClientInit {
@@ -534,10 +519,10 @@ impl Ukey2ClientInit {
 
     // optional int32 version = 1;
 
-
-    pub fn get_version(&self) -> i32 {
+    pub fn version(&self) -> i32 {
         self.version.unwrap_or(0)
     }
+
     pub fn clear_version(&mut self) {
         self.version = ::std::option::Option::None;
     }
@@ -553,15 +538,15 @@ impl Ukey2ClientInit {
 
     // optional bytes random = 2;
 
-
-    pub fn get_random(&self) -> &[u8] {
+    pub fn random(&self) -> &[u8] {
         match self.random.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_random(&mut self) {
-        self.random.clear();
+        self.random = ::std::option::Option::None;
     }
 
     pub fn has_random(&self) -> bool {
@@ -570,14 +555,14 @@ impl Ukey2ClientInit {
 
     // Param is passed by value, moved
     pub fn set_random(&mut self, v: ::std::vec::Vec<u8>) {
-        self.random = ::protobuf::SingularField::some(v);
+        self.random = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_random(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.random.is_none() {
-            self.random.set_default();
+            self.random = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.random.as_mut().unwrap()
     }
@@ -587,42 +572,17 @@ impl Ukey2ClientInit {
         self.random.take().unwrap_or_else(|| ::std::vec::Vec::new())
     }
 
-    // repeated .securegcm.Ukey2ClientInit.CipherCommitment cipher_commitments = 3;
-
-
-    pub fn get_cipher_commitments(&self) -> &[Ukey2ClientInit_CipherCommitment] {
-        &self.cipher_commitments
-    }
-    pub fn clear_cipher_commitments(&mut self) {
-        self.cipher_commitments.clear();
-    }
-
-    // Param is passed by value, moved
-    pub fn set_cipher_commitments(&mut self, v: ::protobuf::RepeatedField<Ukey2ClientInit_CipherCommitment>) {
-        self.cipher_commitments = v;
-    }
-
-    // Mutable pointer to the field.
-    pub fn mut_cipher_commitments(&mut self) -> &mut ::protobuf::RepeatedField<Ukey2ClientInit_CipherCommitment> {
-        &mut self.cipher_commitments
-    }
-
-    // Take field
-    pub fn take_cipher_commitments(&mut self) -> ::protobuf::RepeatedField<Ukey2ClientInit_CipherCommitment> {
-        ::std::mem::replace(&mut self.cipher_commitments, ::protobuf::RepeatedField::new())
-    }
-
     // optional string next_protocol = 4;
 
-
-    pub fn get_next_protocol(&self) -> &str {
+    pub fn next_protocol(&self) -> &str {
         match self.next_protocol.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => "",
         }
     }
+
     pub fn clear_next_protocol(&mut self) {
-        self.next_protocol.clear();
+        self.next_protocol = ::std::option::Option::None;
     }
 
     pub fn has_next_protocol(&self) -> bool {
@@ -631,14 +591,14 @@ impl Ukey2ClientInit {
 
     // Param is passed by value, moved
     pub fn set_next_protocol(&mut self, v: ::std::string::String) {
-        self.next_protocol = ::protobuf::SingularField::some(v);
+        self.next_protocol = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_next_protocol(&mut self) -> &mut ::std::string::String {
         if self.next_protocol.is_none() {
-            self.next_protocol.set_default();
+            self.next_protocol = ::std::option::Option::Some(::std::string::String::new());
         }
         self.next_protocol.as_mut().unwrap()
     }
@@ -650,37 +610,32 @@ impl Ukey2ClientInit {
 }
 
 impl ::protobuf::Message for Ukey2ClientInit {
+    const NAME: &'static str = "Ukey2ClientInit";
+
     fn is_initialized(&self) -> bool {
-        for v in &self.cipher_commitments {
-            if !v.is_initialized() {
-                return false;
-            }
-        };
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.version = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.version = ::std::option::Option::Some(is.read_int32()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.random)?;
+                18 => {
+                    self.random = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                3 => {
-                    ::protobuf::rt::read_repeated_message_into(wire_type, is, &mut self.cipher_commitments)?;
+                26 => {
+                    self.cipher_commitments.push(is.read_message()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.next_protocol)?;
+                34 => {
+                    self.next_protocol = ::std::option::Option::Some(is.read_string()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                42 => {
+                    self.other_next_protocols.push(is.read_string()?);
+                },
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -689,283 +644,264 @@ impl ::protobuf::Message for Ukey2ClientInit {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.version {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(1, v);
         }
-        if let Some(ref v) = self.random.as_ref() {
+        if let Some(v) = self.random.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
         for value in &self.cipher_commitments {
             let len = value.compute_size();
-            my_size += 1 + ::protobuf::rt::compute_raw_varint32_size(len) + len;
+            my_size += 1 + ::protobuf::rt::compute_raw_varint64_size(len) + len;
         };
-        if let Some(ref v) = self.next_protocol.as_ref() {
+        if let Some(v) = self.next_protocol.as_ref() {
             my_size += ::protobuf::rt::string_size(4, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        for value in &self.other_next_protocols {
+            my_size += ::protobuf::rt::string_size(5, &value);
+        };
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.version {
             os.write_int32(1, v)?;
         }
-        if let Some(ref v) = self.random.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.random.as_ref() {
+            os.write_bytes(2, v)?;
         }
         for v in &self.cipher_commitments {
-            os.write_tag(3, ::protobuf::wire_format::WireTypeLengthDelimited)?;
-            os.write_raw_varint32(v.get_cached_size())?;
-            v.write_to_with_cached_sizes(os)?;
+            ::protobuf::rt::write_message_field_with_cached_size(3, v, os)?;
         };
-        if let Some(ref v) = self.next_protocol.as_ref() {
-            os.write_string(4, &v)?;
+        if let Some(v) = self.next_protocol.as_ref() {
+            os.write_string(4, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        for v in &self.other_next_protocols {
+            os.write_string(5, &v)?;
+        };
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
-
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Ukey2ClientInit {
         Ukey2ClientInit::new()
     }
 
-    fn default_instance() -> &'static Ukey2ClientInit {
-        static instance: ::protobuf::rt::LazyV2<Ukey2ClientInit> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2ClientInit::new)
-    }
-}
-
-impl ::protobuf::Clear for Ukey2ClientInit {
     fn clear(&mut self) {
         self.version = ::std::option::Option::None;
-        self.random.clear();
+        self.random = ::std::option::Option::None;
         self.cipher_commitments.clear();
-        self.next_protocol.clear();
-        self.unknown_fields.clear();
+        self.next_protocol = ::std::option::Option::None;
+        self.other_next_protocols.clear();
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2ClientInit {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Ukey2ClientInit {
+        static instance: Ukey2ClientInit = Ukey2ClientInit {
+            version: ::std::option::Option::None,
+            random: ::std::option::Option::None,
+            cipher_commitments: ::std::vec::Vec::new(),
+            next_protocol: ::std::option::Option::None,
+            other_next_protocols: ::std::vec::Vec::new(),
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(PartialEq,Clone,Default,Debug)]
-pub struct Ukey2ClientInit_CipherCommitment {
-    // message fields
-    handshake_cipher: ::std::option::Option<Ukey2HandshakeCipher>,
-    commitment: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
-}
-
-impl<'a> ::std::default::Default for &'a Ukey2ClientInit_CipherCommitment {
-    fn default() -> &'a Ukey2ClientInit_CipherCommitment {
-        <Ukey2ClientInit_CipherCommitment as ::protobuf::Message>::default_instance()
+/// Nested message and enums of message `Ukey2ClientInit`
+pub mod ukey2client_init {
+    #[derive(PartialEq,Clone,Default,Debug)]
+    // @@protoc_insertion_point(message:securegcm.Ukey2ClientInit.CipherCommitment)
+    pub struct CipherCommitment {
+        // message fields
+        // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.CipherCommitment.handshake_cipher)
+        pub handshake_cipher: ::std::option::Option<::protobuf::EnumOrUnknown<super::Ukey2HandshakeCipher>>,
+        // @@protoc_insertion_point(field:securegcm.Ukey2ClientInit.CipherCommitment.commitment)
+        pub commitment: ::std::option::Option<::std::vec::Vec<u8>>,
+        // special fields
+        // @@protoc_insertion_point(special_field:securegcm.Ukey2ClientInit.CipherCommitment.special_fields)
+        pub special_fields: ::protobuf::SpecialFields,
+    }
+
+    impl<'a> ::std::default::Default for &'a CipherCommitment {
+        fn default() -> &'a CipherCommitment {
+            <CipherCommitment as ::protobuf::Message>::default_instance()
+        }
     }
-}
 
-impl Ukey2ClientInit_CipherCommitment {
-    pub fn new() -> Ukey2ClientInit_CipherCommitment {
-        ::std::default::Default::default()
-    }
+    impl CipherCommitment {
+        pub fn new() -> CipherCommitment {
+            ::std::default::Default::default()
+        }
 
-    // optional .securegcm.Ukey2HandshakeCipher handshake_cipher = 1;
+        // optional .securegcm.Ukey2HandshakeCipher handshake_cipher = 1;
 
+        pub fn handshake_cipher(&self) -> super::Ukey2HandshakeCipher {
+            match self.handshake_cipher {
+                Some(e) => e.enum_value_or(super::Ukey2HandshakeCipher::RESERVED),
+                None => super::Ukey2HandshakeCipher::RESERVED,
+            }
+        }
 
-    pub fn get_handshake_cipher(&self) -> Ukey2HandshakeCipher {
-        self.handshake_cipher.unwrap_or(Ukey2HandshakeCipher::RESERVED)
-    }
-    pub fn clear_handshake_cipher(&mut self) {
-        self.handshake_cipher = ::std::option::Option::None;
-    }
+        pub fn clear_handshake_cipher(&mut self) {
+            self.handshake_cipher = ::std::option::Option::None;
+        }
 
-    pub fn has_handshake_cipher(&self) -> bool {
-        self.handshake_cipher.is_some()
-    }
+        pub fn has_handshake_cipher(&self) -> bool {
+            self.handshake_cipher.is_some()
+        }
 
-    // Param is passed by value, moved
-    pub fn set_handshake_cipher(&mut self, v: Ukey2HandshakeCipher) {
-        self.handshake_cipher = ::std::option::Option::Some(v);
-    }
+        // Param is passed by value, moved
+        pub fn set_handshake_cipher(&mut self, v: super::Ukey2HandshakeCipher) {
+            self.handshake_cipher = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
+        }
 
-    // optional bytes commitment = 2;
+        // optional bytes commitment = 2;
 
+        pub fn commitment(&self) -> &[u8] {
+            match self.commitment.as_ref() {
+                Some(v) => v,
+                None => &[],
+            }
+        }
 
-    pub fn get_commitment(&self) -> &[u8] {
-        match self.commitment.as_ref() {
-            Some(v) => &v,
-            None => &[],
+        pub fn clear_commitment(&mut self) {
+            self.commitment = ::std::option::Option::None;
         }
-    }
-    pub fn clear_commitment(&mut self) {
-        self.commitment.clear();
-    }
 
-    pub fn has_commitment(&self) -> bool {
-        self.commitment.is_some()
-    }
+        pub fn has_commitment(&self) -> bool {
+            self.commitment.is_some()
+        }
 
-    // Param is passed by value, moved
-    pub fn set_commitment(&mut self, v: ::std::vec::Vec<u8>) {
-        self.commitment = ::protobuf::SingularField::some(v);
-    }
+        // Param is passed by value, moved
+        pub fn set_commitment(&mut self, v: ::std::vec::Vec<u8>) {
+            self.commitment = ::std::option::Option::Some(v);
+        }
 
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_commitment(&mut self) -> &mut ::std::vec::Vec<u8> {
-        if self.commitment.is_none() {
-            self.commitment.set_default();
+        // Mutable pointer to the field.
+        // If field is not initialized, it is initialized with default value first.
+        pub fn mut_commitment(&mut self) -> &mut ::std::vec::Vec<u8> {
+            if self.commitment.is_none() {
+                self.commitment = ::std::option::Option::Some(::std::vec::Vec::new());
+            }
+            self.commitment.as_mut().unwrap()
         }
-        self.commitment.as_mut().unwrap()
-    }
 
-    // Take field
-    pub fn take_commitment(&mut self) -> ::std::vec::Vec<u8> {
-        self.commitment.take().unwrap_or_else(|| ::std::vec::Vec::new())
+        // Take field
+        pub fn take_commitment(&mut self) -> ::std::vec::Vec<u8> {
+            self.commitment.take().unwrap_or_else(|| ::std::vec::Vec::new())
+        }
     }
-}
 
-impl ::protobuf::Message for Ukey2ClientInit_CipherCommitment {
-    fn is_initialized(&self) -> bool {
-        true
-    }
+    impl ::protobuf::Message for CipherCommitment {
+        const NAME: &'static str = "CipherCommitment";
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.handshake_cipher, 1, &mut self.unknown_fields)?
-                },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.commitment)?;
-                },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
-                },
-            };
+        fn is_initialized(&self) -> bool {
+            true
         }
-        ::std::result::Result::Ok(())
-    }
 
-    // Compute sizes of nested messages
-    #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
-        let mut my_size = 0;
-        if let Some(v) = self.handshake_cipher {
-            my_size += ::protobuf::rt::enum_size(1, v);
-        }
-        if let Some(ref v) = self.commitment.as_ref() {
-            my_size += ::protobuf::rt::bytes_size(2, &v);
+        fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+            while let Some(tag) = is.read_raw_tag_or_eof()? {
+                match tag {
+                    8 => {
+                        self.handshake_cipher = ::std::option::Option::Some(is.read_enum_or_unknown()?);
+                    },
+                    18 => {
+                        self.commitment = ::std::option::Option::Some(is.read_bytes()?);
+                    },
+                    tag => {
+                        ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
+                    },
+                };
+            }
+            ::std::result::Result::Ok(())
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
-        my_size
-    }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(v) = self.handshake_cipher {
-            os.write_enum(1, ::protobuf::ProtobufEnum::value(&v))?;
-        }
-        if let Some(ref v) = self.commitment.as_ref() {
-            os.write_bytes(2, &v)?;
+        // Compute sizes of nested messages
+        #[allow(unused_variables)]
+        fn compute_size(&self) -> u64 {
+            let mut my_size = 0;
+            if let Some(v) = self.handshake_cipher {
+                my_size += ::protobuf::rt::int32_size(1, v.value());
+            }
+            if let Some(v) = self.commitment.as_ref() {
+                my_size += ::protobuf::rt::bytes_size(2, &v);
+            }
+            my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+            self.special_fields.cached_size().set(my_size as u32);
+            my_size
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
-        ::std::result::Result::Ok(())
-    }
-
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
-    }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
+        fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+            if let Some(v) = self.handshake_cipher {
+                os.write_enum(1, ::protobuf::EnumOrUnknown::value(&v))?;
+            }
+            if let Some(v) = self.commitment.as_ref() {
+                os.write_bytes(2, v)?;
+            }
+            os.write_unknown_fields(self.special_fields.unknown_fields())?;
+            ::std::result::Result::Ok(())
+        }
 
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
-    }
+        fn special_fields(&self) -> &::protobuf::SpecialFields {
+            &self.special_fields
+        }
 
-    fn new() -> Ukey2ClientInit_CipherCommitment {
-        Ukey2ClientInit_CipherCommitment::new()
-    }
+        fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+            &mut self.special_fields
+        }
 
-    fn default_instance() -> &'static Ukey2ClientInit_CipherCommitment {
-        static instance: ::protobuf::rt::LazyV2<Ukey2ClientInit_CipherCommitment> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2ClientInit_CipherCommitment::new)
-    }
-}
+        fn new() -> CipherCommitment {
+            CipherCommitment::new()
+        }
 
-impl ::protobuf::Clear for Ukey2ClientInit_CipherCommitment {
-    fn clear(&mut self) {
-        self.handshake_cipher = ::std::option::Option::None;
-        self.commitment.clear();
-        self.unknown_fields.clear();
-    }
-}
+        fn clear(&mut self) {
+            self.handshake_cipher = ::std::option::Option::None;
+            self.commitment = ::std::option::Option::None;
+            self.special_fields.clear();
+        }
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2ClientInit_CipherCommitment {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+        fn default_instance() -> &'static CipherCommitment {
+            static instance: CipherCommitment = CipherCommitment {
+                handshake_cipher: ::std::option::Option::None,
+                commitment: ::std::option::Option::None,
+                special_fields: ::protobuf::SpecialFields::new(),
+            };
+            &instance
+        }
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Ukey2ServerInit)
 pub struct Ukey2ServerInit {
     // message fields
-    version: ::std::option::Option<i32>,
-    random: ::protobuf::SingularField<::std::vec::Vec<u8>>,
-    handshake_cipher: ::std::option::Option<Ukey2HandshakeCipher>,
-    public_key: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ServerInit.version)
+    pub version: ::std::option::Option<i32>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ServerInit.random)
+    pub random: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ServerInit.handshake_cipher)
+    pub handshake_cipher: ::std::option::Option<::protobuf::EnumOrUnknown<Ukey2HandshakeCipher>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ServerInit.public_key)
+    pub public_key: ::std::option::Option<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ServerInit.selected_next_protocol)
+    pub selected_next_protocol: ::std::option::Option<::std::string::String>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Ukey2ServerInit.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Ukey2ServerInit {
@@ -981,10 +917,10 @@ impl Ukey2ServerInit {
 
     // optional int32 version = 1;
 
-
-    pub fn get_version(&self) -> i32 {
+    pub fn version(&self) -> i32 {
         self.version.unwrap_or(0)
     }
+
     pub fn clear_version(&mut self) {
         self.version = ::std::option::Option::None;
     }
@@ -1000,15 +936,15 @@ impl Ukey2ServerInit {
 
     // optional bytes random = 2;
 
-
-    pub fn get_random(&self) -> &[u8] {
+    pub fn random(&self) -> &[u8] {
         match self.random.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_random(&mut self) {
-        self.random.clear();
+        self.random = ::std::option::Option::None;
     }
 
     pub fn has_random(&self) -> bool {
@@ -1017,14 +953,14 @@ impl Ukey2ServerInit {
 
     // Param is passed by value, moved
     pub fn set_random(&mut self, v: ::std::vec::Vec<u8>) {
-        self.random = ::protobuf::SingularField::some(v);
+        self.random = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_random(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.random.is_none() {
-            self.random.set_default();
+            self.random = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.random.as_mut().unwrap()
     }
@@ -1036,10 +972,13 @@ impl Ukey2ServerInit {
 
     // optional .securegcm.Ukey2HandshakeCipher handshake_cipher = 3;
 
-
-    pub fn get_handshake_cipher(&self) -> Ukey2HandshakeCipher {
-        self.handshake_cipher.unwrap_or(Ukey2HandshakeCipher::RESERVED)
+    pub fn handshake_cipher(&self) -> Ukey2HandshakeCipher {
+        match self.handshake_cipher {
+            Some(e) => e.enum_value_or(Ukey2HandshakeCipher::RESERVED),
+            None => Ukey2HandshakeCipher::RESERVED,
+        }
     }
+
     pub fn clear_handshake_cipher(&mut self) {
         self.handshake_cipher = ::std::option::Option::None;
     }
@@ -1050,20 +989,20 @@ impl Ukey2ServerInit {
 
     // Param is passed by value, moved
     pub fn set_handshake_cipher(&mut self, v: Ukey2HandshakeCipher) {
-        self.handshake_cipher = ::std::option::Option::Some(v);
+        self.handshake_cipher = ::std::option::Option::Some(::protobuf::EnumOrUnknown::new(v));
     }
 
     // optional bytes public_key = 4;
 
-
-    pub fn get_public_key(&self) -> &[u8] {
+    pub fn public_key(&self) -> &[u8] {
         match self.public_key.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_public_key(&mut self) {
-        self.public_key.clear();
+        self.public_key = ::std::option::Option::None;
     }
 
     pub fn has_public_key(&self) -> bool {
@@ -1072,14 +1011,14 @@ impl Ukey2ServerInit {
 
     // Param is passed by value, moved
     pub fn set_public_key(&mut self, v: ::std::vec::Vec<u8>) {
-        self.public_key = ::protobuf::SingularField::some(v);
+        self.public_key = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_public_key(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.public_key.is_none() {
-            self.public_key.set_default();
+            self.public_key = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.public_key.as_mut().unwrap()
     }
@@ -1088,35 +1027,71 @@ impl Ukey2ServerInit {
     pub fn take_public_key(&mut self) -> ::std::vec::Vec<u8> {
         self.public_key.take().unwrap_or_else(|| ::std::vec::Vec::new())
     }
+
+    // optional string selected_next_protocol = 5;
+
+    pub fn selected_next_protocol(&self) -> &str {
+        match self.selected_next_protocol.as_ref() {
+            Some(v) => v,
+            None => "",
+        }
+    }
+
+    pub fn clear_selected_next_protocol(&mut self) {
+        self.selected_next_protocol = ::std::option::Option::None;
+    }
+
+    pub fn has_selected_next_protocol(&self) -> bool {
+        self.selected_next_protocol.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_selected_next_protocol(&mut self, v: ::std::string::String) {
+        self.selected_next_protocol = ::std::option::Option::Some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_selected_next_protocol(&mut self) -> &mut ::std::string::String {
+        if self.selected_next_protocol.is_none() {
+            self.selected_next_protocol = ::std::option::Option::Some(::std::string::String::new());
+        }
+        self.selected_next_protocol.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_selected_next_protocol(&mut self) -> ::std::string::String {
+        self.selected_next_protocol.take().unwrap_or_else(|| ::std::string::String::new())
+    }
 }
 
 impl ::protobuf::Message for Ukey2ServerInit {
+    const NAME: &'static str = "Ukey2ServerInit";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    if wire_type != ::protobuf::wire_format::WireTypeVarint {
-                        return ::std::result::Result::Err(::protobuf::rt::unexpected_wire_type(wire_type));
-                    }
-                    let tmp = is.read_int32()?;
-                    self.version = ::std::option::Option::Some(tmp);
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                8 => {
+                    self.version = ::std::option::Option::Some(is.read_int32()?);
+                },
+                18 => {
+                    self.random = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                2 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.random)?;
+                24 => {
+                    self.handshake_cipher = ::std::option::Option::Some(is.read_enum_or_unknown()?);
                 },
-                3 => {
-                    ::protobuf::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.handshake_cipher, 3, &mut self.unknown_fields)?
+                34 => {
+                    self.public_key = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                4 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.public_key)?;
+                42 => {
+                    self.selected_next_protocol = ::std::option::Option::Some(is.read_string()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1125,101 +1100,91 @@ impl ::protobuf::Message for Ukey2ServerInit {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
         if let Some(v) = self.version {
-            my_size += ::protobuf::rt::value_size(1, v, ::protobuf::wire_format::WireTypeVarint);
+            my_size += ::protobuf::rt::int32_size(1, v);
         }
-        if let Some(ref v) = self.random.as_ref() {
+        if let Some(v) = self.random.as_ref() {
             my_size += ::protobuf::rt::bytes_size(2, &v);
         }
         if let Some(v) = self.handshake_cipher {
-            my_size += ::protobuf::rt::enum_size(3, v);
+            my_size += ::protobuf::rt::int32_size(3, v.value());
         }
-        if let Some(ref v) = self.public_key.as_ref() {
+        if let Some(v) = self.public_key.as_ref() {
             my_size += ::protobuf::rt::bytes_size(4, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        if let Some(v) = self.selected_next_protocol.as_ref() {
+            my_size += ::protobuf::rt::string_size(5, &v);
+        }
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
         if let Some(v) = self.version {
             os.write_int32(1, v)?;
         }
-        if let Some(ref v) = self.random.as_ref() {
-            os.write_bytes(2, &v)?;
+        if let Some(v) = self.random.as_ref() {
+            os.write_bytes(2, v)?;
         }
         if let Some(v) = self.handshake_cipher {
-            os.write_enum(3, ::protobuf::ProtobufEnum::value(&v))?;
+            os.write_enum(3, ::protobuf::EnumOrUnknown::value(&v))?;
         }
-        if let Some(ref v) = self.public_key.as_ref() {
-            os.write_bytes(4, &v)?;
+        if let Some(v) = self.public_key.as_ref() {
+            os.write_bytes(4, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        if let Some(v) = self.selected_next_protocol.as_ref() {
+            os.write_string(5, v)?;
+        }
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Ukey2ServerInit {
         Ukey2ServerInit::new()
     }
 
-    fn default_instance() -> &'static Ukey2ServerInit {
-        static instance: ::protobuf::rt::LazyV2<Ukey2ServerInit> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2ServerInit::new)
-    }
-}
-
-impl ::protobuf::Clear for Ukey2ServerInit {
     fn clear(&mut self) {
         self.version = ::std::option::Option::None;
-        self.random.clear();
+        self.random = ::std::option::Option::None;
         self.handshake_cipher = ::std::option::Option::None;
-        self.public_key.clear();
-        self.unknown_fields.clear();
+        self.public_key = ::std::option::Option::None;
+        self.selected_next_protocol = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2ServerInit {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Ukey2ServerInit {
+        static instance: Ukey2ServerInit = Ukey2ServerInit {
+            version: ::std::option::Option::None,
+            random: ::std::option::Option::None,
+            handshake_cipher: ::std::option::Option::None,
+            public_key: ::std::option::Option::None,
+            selected_next_protocol: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
 #[derive(PartialEq,Clone,Default,Debug)]
+// @@protoc_insertion_point(message:securegcm.Ukey2ClientFinished)
 pub struct Ukey2ClientFinished {
     // message fields
-    public_key: ::protobuf::SingularField<::std::vec::Vec<u8>>,
+    // @@protoc_insertion_point(field:securegcm.Ukey2ClientFinished.public_key)
+    pub public_key: ::std::option::Option<::std::vec::Vec<u8>>,
     // special fields
-    pub unknown_fields: ::protobuf::UnknownFields,
-    pub cached_size: ::protobuf::CachedSize,
+    // @@protoc_insertion_point(special_field:securegcm.Ukey2ClientFinished.special_fields)
+    pub special_fields: ::protobuf::SpecialFields,
 }
 
 impl<'a> ::std::default::Default for &'a Ukey2ClientFinished {
@@ -1235,15 +1200,15 @@ impl Ukey2ClientFinished {
 
     // optional bytes public_key = 1;
 
-
-    pub fn get_public_key(&self) -> &[u8] {
+    pub fn public_key(&self) -> &[u8] {
         match self.public_key.as_ref() {
-            Some(v) => &v,
+            Some(v) => v,
             None => &[],
         }
     }
+
     pub fn clear_public_key(&mut self) {
-        self.public_key.clear();
+        self.public_key = ::std::option::Option::None;
     }
 
     pub fn has_public_key(&self) -> bool {
@@ -1252,14 +1217,14 @@ impl Ukey2ClientFinished {
 
     // Param is passed by value, moved
     pub fn set_public_key(&mut self, v: ::std::vec::Vec<u8>) {
-        self.public_key = ::protobuf::SingularField::some(v);
+        self.public_key = ::std::option::Option::Some(v);
     }
 
     // Mutable pointer to the field.
     // If field is not initialized, it is initialized with default value first.
     pub fn mut_public_key(&mut self) -> &mut ::std::vec::Vec<u8> {
         if self.public_key.is_none() {
-            self.public_key.set_default();
+            self.public_key = ::std::option::Option::Some(::std::vec::Vec::new());
         }
         self.public_key.as_mut().unwrap()
     }
@@ -1271,19 +1236,20 @@ impl Ukey2ClientFinished {
 }
 
 impl ::protobuf::Message for Ukey2ClientFinished {
+    const NAME: &'static str = "Ukey2ClientFinished";
+
     fn is_initialized(&self) -> bool {
         true
     }
 
-    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        while !is.eof()? {
-            let (field_number, wire_type) = is.read_tag_unpack()?;
-            match field_number {
-                1 => {
-                    ::protobuf::rt::read_singular_bytes_into(wire_type, is, &mut self.public_key)?;
+    fn merge_from(&mut self, is: &mut ::protobuf::CodedInputStream<'_>) -> ::protobuf::Result<()> {
+        while let Some(tag) = is.read_raw_tag_or_eof()? {
+            match tag {
+                10 => {
+                    self.public_key = ::std::option::Option::Some(is.read_bytes()?);
                 },
-                _ => {
-                    ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                tag => {
+                    ::protobuf::rt::read_unknown_or_skip_group(tag, is, self.special_fields.mut_unknown_fields())?;
                 },
             };
         }
@@ -1292,81 +1258,64 @@ impl ::protobuf::Message for Ukey2ClientFinished {
 
     // Compute sizes of nested messages
     #[allow(unused_variables)]
-    fn compute_size(&self) -> u32 {
+    fn compute_size(&self) -> u64 {
         let mut my_size = 0;
-        if let Some(ref v) = self.public_key.as_ref() {
+        if let Some(v) = self.public_key.as_ref() {
             my_size += ::protobuf::rt::bytes_size(1, &v);
         }
-        my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
-        self.cached_size.set(my_size);
+        my_size += ::protobuf::rt::unknown_fields_size(self.special_fields.unknown_fields());
+        self.special_fields.cached_size().set(my_size as u32);
         my_size
     }
 
-    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if let Some(ref v) = self.public_key.as_ref() {
-            os.write_bytes(1, &v)?;
+    fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::Result<()> {
+        if let Some(v) = self.public_key.as_ref() {
+            os.write_bytes(1, v)?;
         }
-        os.write_unknown_fields(self.get_unknown_fields())?;
+        os.write_unknown_fields(self.special_fields.unknown_fields())?;
         ::std::result::Result::Ok(())
     }
 
-    fn get_cached_size(&self) -> u32 {
-        self.cached_size.get()
+    fn special_fields(&self) -> &::protobuf::SpecialFields {
+        &self.special_fields
     }
 
-    fn get_unknown_fields(&self) -> &::protobuf::UnknownFields {
-        &self.unknown_fields
-    }
-
-    fn mut_unknown_fields(&mut self) -> &mut ::protobuf::UnknownFields {
-        &mut self.unknown_fields
-    }
-
-    fn as_any(&self) -> &dyn (::std::any::Any) {
-        self as &dyn (::std::any::Any)
-    }
-    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
-        self as &mut dyn (::std::any::Any)
-    }
-    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
-        self
-    }
-
-    fn descriptor(&self) -> &'static ::protobuf::reflect::MessageDescriptor {
-        Self::descriptor_static()
+    fn mut_special_fields(&mut self) -> &mut ::protobuf::SpecialFields {
+        &mut self.special_fields
     }
 
     fn new() -> Ukey2ClientFinished {
         Ukey2ClientFinished::new()
     }
 
-    fn default_instance() -> &'static Ukey2ClientFinished {
-        static instance: ::protobuf::rt::LazyV2<Ukey2ClientFinished> = ::protobuf::rt::LazyV2::INIT;
-        instance.get(Ukey2ClientFinished::new)
-    }
-}
-
-impl ::protobuf::Clear for Ukey2ClientFinished {
     fn clear(&mut self) {
-        self.public_key.clear();
-        self.unknown_fields.clear();
+        self.public_key = ::std::option::Option::None;
+        self.special_fields.clear();
     }
-}
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2ClientFinished {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Message(self)
+    fn default_instance() -> &'static Ukey2ClientFinished {
+        static instance: Ukey2ClientFinished = Ukey2ClientFinished {
+            public_key: ::std::option::Option::None,
+            special_fields: ::protobuf::SpecialFields::new(),
+        };
+        &instance
     }
 }
 
-#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[derive(Clone,Copy,PartialEq,Eq,Debug,Hash)]
+// @@protoc_insertion_point(enum:securegcm.Ukey2HandshakeCipher)
 pub enum Ukey2HandshakeCipher {
+    // @@protoc_insertion_point(enum_value:securegcm.Ukey2HandshakeCipher.RESERVED)
     RESERVED = 0,
+    // @@protoc_insertion_point(enum_value:securegcm.Ukey2HandshakeCipher.P256_SHA512)
     P256_SHA512 = 100,
+    // @@protoc_insertion_point(enum_value:securegcm.Ukey2HandshakeCipher.CURVE25519_SHA512)
     CURVE25519_SHA512 = 200,
 }
 
-impl ::protobuf::ProtobufEnum for Ukey2HandshakeCipher {
+impl ::protobuf::Enum for Ukey2HandshakeCipher {
+    const NAME: &'static str = "Ukey2HandshakeCipher";
+
     fn value(&self) -> i32 {
         *self as i32
     }
@@ -1380,17 +1329,11 @@ impl ::protobuf::ProtobufEnum for Ukey2HandshakeCipher {
         }
     }
 
-    fn values() -> &'static [Self] {
-        static values: &'static [Ukey2HandshakeCipher] = &[
-            Ukey2HandshakeCipher::RESERVED,
-            Ukey2HandshakeCipher::P256_SHA512,
-            Ukey2HandshakeCipher::CURVE25519_SHA512,
-        ];
-        values
-    }
-}
-
-impl ::std::marker::Copy for Ukey2HandshakeCipher {
+    const VALUES: &'static [Ukey2HandshakeCipher] = &[
+        Ukey2HandshakeCipher::RESERVED,
+        Ukey2HandshakeCipher::P256_SHA512,
+        Ukey2HandshakeCipher::CURVE25519_SHA512,
+    ];
 }
 
 impl ::std::default::Default for Ukey2HandshakeCipher {
@@ -1399,8 +1342,3 @@ impl ::std::default::Default for Ukey2HandshakeCipher {
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for Ukey2HandshakeCipher {
-    fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
-        ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
-    }
-}
diff --git a/nearby/connections/ukey2/ukey2_shell/src/main.rs b/nearby/connections/ukey2/ukey2_shell/src/main.rs
index a3be16c..5a9ce82 100644
--- a/nearby/connections/ukey2/ukey2_shell/src/main.rs
+++ b/nearby/connections/ukey2/ukey2_shell/src/main.rs
@@ -22,7 +22,6 @@ use ukey2_connections::{
     D2DConnectionContextV1, D2DHandshakeContext, InitiatorD2DHandshakeContext,
     ServerD2DHandshakeContext,
 };
-use ukey2_rs::error_handler::NoOpHandler;
 use ukey2_rs::HandshakeImplementation;
 
 const MODE_INITIATOR: &str = "initiator";
@@ -144,8 +143,7 @@ impl Ukey2Shell {
 
     fn run_as_initiator(&self) -> bool {
         let mut initiator_ctx = InitiatorD2DHandshakeContext::<RustCrypto, _>::new(
-            HandshakeImplementation::Weird,
-            NoOpHandler::default(),
+            HandshakeImplementation::PublicKeyInProtobuf,
         );
         write_frame(initiator_ctx.get_next_handshake_message().unwrap());
         let server_init_msg = read_frame();
@@ -179,8 +177,7 @@ impl Ukey2Shell {
 
     fn run_as_responder(&self) -> bool {
         let mut server_ctx = ServerD2DHandshakeContext::<RustCrypto, _>::new(
-            HandshakeImplementation::Weird,
-            NoOpHandler::default(),
+            HandshakeImplementation::PublicKeyInProtobuf,
         );
         let initiator_init_msg = read_frame();
         server_ctx
diff --git a/nearby/crypto/crypto_provider/Cargo.toml b/nearby/crypto/crypto_provider/Cargo.toml
index 2efbf31..69f7572 100644
--- a/nearby/crypto/crypto_provider/Cargo.toml
+++ b/nearby/crypto/crypto_provider/Cargo.toml
@@ -6,12 +6,12 @@ publish.workspace = true
 
 [dependencies]
 hex-literal = { workspace = true, optional = true }
-rand.workspace = true
+rand = { workspace = true, optional = true }
 rstest = { version = "0.16.0", optional = true }
 rstest_reuse = { version = "0.5.0", optional = true }
 wycheproof = { version = "0.4.0", optional = true }
 hex = { workspace = true, optional = true }
-test_helper = {workspace = true, optional = true}
+test_helper = { workspace = true, optional = true }
 
 [dev-dependencies]
 crypto_provider_openssl.workspace = true
@@ -24,14 +24,18 @@ rand_ext.workspace = true
 hex.workspace = true
 
 [features]
-default = ["alloc"]
+default = ["alloc", "gcm_siv"]
+std = []
 alloc = []
+gcm_siv = []
 testing = [
     "dep:hex-literal",
     "dep:rstest",
     "dep:rstest_reuse",
     "dep:wycheproof",
     "dep:test_helper",
+    "std",
+    "rand",
     "rand/std",
     "rand/std_rng",
     "dep:hex",
diff --git a/nearby/crypto/crypto_provider/benches/hmac_bench.rs b/nearby/crypto/crypto_provider/benches/hmac_bench.rs
index 63b09e6..c7ccf1a 100644
--- a/nearby/crypto/crypto_provider/benches/hmac_bench.rs
+++ b/nearby/crypto/crypto_provider/benches/hmac_bench.rs
@@ -15,17 +15,16 @@
 use criterion::{criterion_group, criterion_main, Criterion};
 
 use crypto_provider::hmac::Hmac;
-use crypto_provider::CryptoProvider;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_openssl::Openssl;
 use crypto_provider_rustcrypto::RustCrypto;
-
-use rand::{Rng, SeedableRng};
+use rand_ext::random_bytes;
 
 // simple benchmark, which creates a new hmac, updates once, then finalizes
 fn hmac_sha256_operations<C: CryptoProvider>(c: &mut Criterion) {
-    let mut rng = rand::rngs::StdRng::from_entropy();
-    let key: [u8; 32] = rand_ext::random_bytes(&mut rng);
-    let update_data: [u8; 16] = rand_ext::random_bytes(&mut rng);
+    let mut rng = C::CryptoRng::new();
+    let key: [u8; 32] = rand_ext::random_bytes::<32, C>(&mut rng);
+    let update_data: [u8; 16] = rand_ext::random_bytes::<16, C>(&mut rng);
 
     c.bench_function("bench for hmac sha256 single update", |b| {
         b.iter(|| {
@@ -37,9 +36,9 @@ fn hmac_sha256_operations<C: CryptoProvider>(c: &mut Criterion) {
 }
 
 fn hmac_sha512_operations<C: CryptoProvider>(c: &mut Criterion) {
-    let mut rng = rand::rngs::StdRng::from_entropy();
-    let key: [u8; 64] = rand_ext::random_bytes(&mut rng);
-    let update_data: [u8; 16] = rng.gen();
+    let mut rng = C::CryptoRng::new();
+    let key: [u8; 64] = rand_ext::random_bytes::<64, C>(&mut rng);
+    let update_data: [u8; 16] = random_bytes::<16, C>(&mut rng);
 
     c.bench_function("bench for hmac sha512 single update", |b| {
         b.iter(|| {
diff --git a/nearby/crypto/crypto_provider/src/aes/gcm_siv.rs b/nearby/crypto/crypto_provider/src/aes/gcm_siv.rs
new file mode 100644
index 0000000..2d683b2
--- /dev/null
+++ b/nearby/crypto/crypto_provider/src/aes/gcm_siv.rs
@@ -0,0 +1,164 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Traits for AES-GCM-SIV.
+
+use super::AesKey;
+extern crate alloc;
+use alloc::vec::Vec;
+
+/// An enum for indicating issues with the GCM-SIV encryption/decryption operations.
+pub enum GcmSivError {
+    /// Returned if the output buffer is too small to store the resulting ciphertext + tag.
+    EncryptOutBufferTooSmall,
+    /// Returned if the ciphertext + tag combination does not match when decrypting a blob.
+    DecryptTagDoesNotMatch,
+}
+
+/// An implementation of AES-GCM-SIV.
+///
+/// An AesGcmSiv impl may be used for encryption and decryption.
+pub trait AesGcmSiv {
+    /// The [AesKey] this cipher uses. See [super::Aes128Key] and [super::Aes256Key] for the common AES-128 and
+    /// AES-256 cases.
+    type Key: AesKey;
+
+    /// Build a `Self` from key material.
+    fn new(key: &Self::Key) -> Self;
+
+    /// Encrypt the data in place with a nonce to make sure each ciphertext is unique.
+    /// This will need 16 bytes reserved in the data array for the tag.
+    /// Optionally, additional associated data can be passed in for computation of the cryptographic tag.
+    fn encrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError>;
+    /// Decrypt the ciphertext concatenated with its tag in place with the nonce used for encryption.
+    /// If associated data was passed in when creating the ciphertext, it should be passed in here as well
+    /// in order to properly decrypt the message.
+    fn decrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError>;
+}
+
+/// Module for testing implementations of this crate.
+#[cfg(feature = "testing")]
+pub mod testing {
+    extern crate alloc;
+
+    use alloc::vec::Vec;
+    use core::marker;
+
+    use hex_literal::hex;
+    use rstest_reuse::template;
+
+    use crate::aes::{Aes128Key, Aes256Key};
+    pub use crate::testing::prelude;
+
+    use super::AesGcmSiv;
+
+    /// Test AES-GCM-SIV-128 encryption/decryption
+    pub fn aes_128_gcm_siv_test<A: AesGcmSiv<Key = Aes128Key>>(_marker: marker::PhantomData<A>) {
+        // https://github.com/google/wycheproof/blob/master/testvectors/aes_gcm_siv_test.json
+        // TC1
+        let test_key = hex!("01000000000000000000000000000000");
+        let nonce = hex!("030000000000000000000000");
+        let aes = A::new(&test_key.into());
+        let msg = hex!("");
+        let mut buf = Vec::from(msg.as_slice());
+        let tag = hex!("dc20e2d83f25705bb49e439eca56de25");
+        assert!(aes.encrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..], &tag);
+        // TC2
+        let msg = hex!("0100000000000000");
+        let ct = hex!("b5d839330ac7b786");
+        let tag = hex!("578782fff6013b815b287c22493a364c");
+        let mut buf = Vec::from(msg.as_slice());
+        assert!(aes.encrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..8], &ct);
+        assert_eq!(&buf[8..], &tag);
+        assert!(aes.decrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..], &msg);
+    }
+
+    /// Test AES-256-GCM-SIV encryption/decryption
+    pub fn aes_256_gcm_siv_test<A: AesGcmSiv<Key = Aes256Key>>(_marker: marker::PhantomData<A>) {
+        // https://github.com/google/wycheproof/blob/master/testvectors/aes_gcm_siv_test.json
+        // TC77
+        let test_key = hex!("0100000000000000000000000000000000000000000000000000000000000000");
+        let nonce = hex!("030000000000000000000000");
+        let aes = A::new(&test_key.into());
+        let msg = hex!("0100000000000000");
+        let mut buf = Vec::new();
+        buf.extend_from_slice(&msg);
+        let ct = hex!("c2ef328e5c71c83b");
+        let tag = hex!("843122130f7364b761e0b97427e3df28");
+        assert!(aes.encrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..8], &ct);
+        assert_eq!(&buf[8..], &tag);
+        assert!(aes.decrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..], &msg);
+        // TC78
+        let msg = hex!("010000000000000000000000");
+        let ct = hex!("9aab2aeb3faa0a34aea8e2b1");
+        let tag = hex!("8ca50da9ae6559e48fd10f6e5c9ca17e");
+        let mut buf = Vec::from(msg.as_slice());
+        assert!(aes.encrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..12], &ct);
+        assert_eq!(&buf[12..], &tag);
+        assert!(aes.decrypt(&mut buf, b"", &nonce).is_ok());
+        assert_eq!(&buf[..], &msg);
+    }
+
+    /// Generates the test cases to validate the AES-128-GCM-SIV implementation.
+    /// For example, to test `MyAesGcmSiv128Impl`:
+    ///
+    /// ```
+    /// use crypto_provider::aes::gcm_siv::testing::*;
+    ///
+    /// mod tests {
+    ///     #[apply(aes_128_gcm_siv_test_cases)]
+    ///     fn aes_128_gcm_siv_tests(testcase: CryptoProviderTestCase<MyAesGcmSivImpl>) {
+    ///         testcase(MyAesGcmSiv128Impl);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
+    #[case::encrypt(aes_128_gcm_siv_test)]
+    #[case::decrypt(aes_128_gcm_siv_test)]
+    fn aes_128_gcm_siv_test_cases<F: AesGcmSivFactory<Key = Aes128Key>>(
+        #[case] testcase: CryptoProviderTestCase<F>,
+    ) {
+    }
+
+    /// Generates the test cases to validate the AES-256-GCM-SIV implementation.
+    /// For example, to test `MyAesGcmSiv256Impl`:
+    ///
+    /// ```
+    /// use crypto_provider::aes::gcm_siv::testing::*;
+    ///
+    /// mod tests {
+    ///     #[apply(aes_256_gcm_siv_test_cases)]
+    ///     fn aes_256_gcm_siv_tests(testcase: CryptoProviderTestCase<MyAesGcmSiv256Impl>) {
+    ///         testcase(MyAesGcmSiv256Impl);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
+    #[case::encrypt(aes_256_gcm_siv_test)]
+    #[case::decrypt(aes_256_gcm_siv_test)]
+    fn aes_256_gcm_siv_test_cases<F: AesGcmSivFactory<Key = Aes256Key>>(
+        #[case] testcase: CryptoProviderTestCase<F>,
+    ) {
+    }
+}
diff --git a/nearby/crypto/crypto_provider/src/aes/mod.rs b/nearby/crypto/crypto_provider/src/aes/mod.rs
index 004106f..240f11d 100644
--- a/nearby/crypto/crypto_provider/src/aes/mod.rs
+++ b/nearby/crypto/crypto_provider/src/aes/mod.rs
@@ -25,6 +25,8 @@ pub mod ctr;
 
 #[cfg(feature = "alloc")]
 pub mod cbc;
+#[cfg(feature = "gcm_siv")]
+pub mod gcm_siv;
 
 /// Block size in bytes for AES (and XTS-AES)
 pub const BLOCK_SIZE: usize = 16;
@@ -32,18 +34,35 @@ pub const BLOCK_SIZE: usize = 16;
 /// A single AES block.
 pub type AesBlock = [u8; BLOCK_SIZE];
 
-/// Abstraction around AES to make plugging in different AES implementations easy.
+/// Helper trait to enforce encryption and decryption with the same size key
 pub trait Aes {
-    /// The [AesKey] this cipher uses. See [Aes128Key] and [Aes256Key] for the common AES-128 and
-    /// AES-256 cases.
+    /// The AES key containing the raw bytes used to for key scheduling
     type Key: AesKey;
 
-    /// Build a `Self` from key material.
+    /// The cipher used for encryption
+    type EncryptCipher: AesEncryptCipher<Key = Self::Key>;
+
+    /// the cipher used for decryption
+    type DecryptCipher: AesDecryptCipher<Key = Self::Key>;
+}
+
+/// The base AesCipher trait which describes common operations to both encryption and decryption ciphers
+pub trait AesCipher {
+    /// The type of the key used which holds the raw bytes used in key scheduling
+    type Key: AesKey;
+
+    /// Creates a new cipher from the AesKey
     fn new(key: &Self::Key) -> Self;
+}
 
+/// An AES cipher used for encrypting blocks
+pub trait AesEncryptCipher: AesCipher {
     /// Encrypt `block` in place.
     fn encrypt(&self, block: &mut AesBlock);
+}
 
+/// An AES cipher used for decrypting blocks
+pub trait AesDecryptCipher: AesCipher {
     /// Decrypt `block` in place.
     fn decrypt(&self, block: &mut AesBlock);
 }
@@ -146,107 +165,115 @@ impl From<[u8; 32]> for Aes256Key {
 /// Module for testing implementations of this crate.
 #[cfg(feature = "testing")]
 pub mod testing {
-    use super::{Aes, Aes128Key, Aes256Key};
+    use super::*;
     pub use crate::testing::prelude::*;
     use core::marker;
     use hex_literal::hex;
     use rstest_reuse::template;
 
     /// Test encryption with AES-128
-    pub fn aes_128_test_encrypt<A: Aes<Key = Aes128Key>>(_marker: marker::PhantomData<A>) {
+    pub fn aes_128_test_encrypt<A: AesEncryptCipher<Key = Aes128Key>>(
+        _marker: marker::PhantomData<A>,
+    ) {
         // https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf F.1.1
         let key: Aes128Key = hex!("2b7e151628aed2a6abf7158809cf4f3c").into();
         let mut block = [0_u8; 16];
-        let aes = A::new(&key);
+        let enc_cipher = A::new(&key);
 
         block.copy_from_slice(&hex!("6bc1bee22e409f96e93d7e117393172a"));
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("3ad77bb40d7a3660a89ecaf32466ef97"), block);
 
         block.copy_from_slice(&hex!("ae2d8a571e03ac9c9eb76fac45af8e51"));
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("f5d3d58503b9699de785895a96fdbaaf"), block);
 
         block.copy_from_slice(&hex!("30c81c46a35ce411e5fbc1191a0a52ef"));
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("43b1cd7f598ece23881b00e3ed030688"), block);
 
         block.copy_from_slice(&hex!("f69f2445df4f9b17ad2b417be66c3710"));
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("7b0c785e27e8ad3f8223207104725dd4"), block);
     }
 
     /// Test decryption with AES-128
-    pub fn aes_128_test_decrypt<A: Aes<Key = Aes128Key>>(_marker: marker::PhantomData<A>) {
+    pub fn aes_128_test_decrypt<A: AesDecryptCipher<Key = Aes128Key>>(
+        _marker: marker::PhantomData<A>,
+    ) {
         // https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf F.1.2
         let key: Aes128Key = hex!("2b7e151628aed2a6abf7158809cf4f3c").into();
         let mut block = [0_u8; 16];
-        let aes = A::new(&key);
+        let dec_cipher = A::new(&key);
 
         block.copy_from_slice(&hex!("3ad77bb40d7a3660a89ecaf32466ef97"));
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("6bc1bee22e409f96e93d7e117393172a"), block);
 
         block.copy_from_slice(&hex!("f5d3d58503b9699de785895a96fdbaaf"));
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("ae2d8a571e03ac9c9eb76fac45af8e51"), block);
 
         block.copy_from_slice(&hex!("43b1cd7f598ece23881b00e3ed030688"));
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("30c81c46a35ce411e5fbc1191a0a52ef"), block);
 
         block.copy_from_slice(&hex!("7b0c785e27e8ad3f8223207104725dd4"));
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("f69f2445df4f9b17ad2b417be66c3710"), block);
     }
 
     /// Test encryption with AES-256
-    pub fn aes_256_test_encrypt<A: Aes<Key = Aes256Key>>(_marker: marker::PhantomData<A>) {
+    pub fn aes_256_test_encrypt<A: AesEncryptCipher<Key = Aes256Key>>(
+        _marker: marker::PhantomData<A>,
+    ) {
         // https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf F.1.5
         let key: Aes256Key =
             hex!("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4").into();
         let mut block: [u8; 16];
-        let aes = A::new(&key);
+        let enc_cipher = A::new(&key);
 
         block = hex!("6bc1bee22e409f96e93d7e117393172a");
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("f3eed1bdb5d2a03c064b5a7e3db181f8"), block);
 
         block = hex!("ae2d8a571e03ac9c9eb76fac45af8e51");
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("591ccb10d410ed26dc5ba74a31362870"), block);
 
         block = hex!("30c81c46a35ce411e5fbc1191a0a52ef");
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("b6ed21b99ca6f4f9f153e7b1beafed1d"), block);
 
         block = hex!("f69f2445df4f9b17ad2b417be66c3710");
-        aes.encrypt(&mut block);
+        enc_cipher.encrypt(&mut block);
         assert_eq!(hex!("23304b7a39f9f3ff067d8d8f9e24ecc7"), block);
     }
 
     /// Test decryption with AES-256
-    pub fn aes_256_test_decrypt<A: Aes<Key = Aes256Key>>(_marker: marker::PhantomData<A>) {
+    pub fn aes_256_test_decrypt<A: AesDecryptCipher<Key = Aes256Key>>(
+        _marker: marker::PhantomData<A>,
+    ) {
         // https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf F.1.6
         let key: Aes256Key =
             hex!("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4").into();
         let mut block: [u8; 16];
-        let aes = A::new(&key);
+        let dec_cipher = A::new(&key);
 
         block = hex!("f3eed1bdb5d2a03c064b5a7e3db181f8");
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("6bc1bee22e409f96e93d7e117393172a"), block);
 
         block = hex!("591ccb10d410ed26dc5ba74a31362870");
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("ae2d8a571e03ac9c9eb76fac45af8e51"), block);
 
         block = hex!("b6ed21b99ca6f4f9f153e7b1beafed1d");
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("30c81c46a35ce411e5fbc1191a0a52ef"), block);
 
         block = hex!("23304b7a39f9f3ff067d8d8f9e24ecc7");
-        aes.decrypt(&mut block);
+        dec_cipher.decrypt(&mut block);
         assert_eq!(hex!("f69f2445df4f9b17ad2b417be66c3710"), block);
     }
 
@@ -257,7 +284,7 @@ pub mod testing {
     /// use crypto_provider::aes::testing::*;
     ///
     /// mod tests {
-    ///     #[apply(aes_128_test_cases)]
+    ///     #[apply(aes_128_encrypt_test_cases)]
     ///     fn aes_128_tests(f: CryptoProviderTestCase<MyAes128Impl>) {
     ///         f(MyAes128Impl);
     ///     }
@@ -267,8 +294,29 @@ pub mod testing {
     #[export]
     #[rstest]
     #[case::encrypt(aes_128_test_encrypt)]
+    fn aes_128_encrypt_test_cases<A: AesFactory<Key = Aes128Key>>(
+        #[case] testcase: CryptoProviderTestCase<F>,
+    ) {
+    }
+
+    /// Generates the test cases to validate the AES-128 implementation.
+    /// For example, to test `MyAes128Impl`:
+    ///
+    /// ```
+    /// use crypto_provider::aes::testing::*;
+    ///
+    /// mod tests {
+    ///     #[apply(aes_128_decrypt_test_cases)]
+    ///     fn aes_128_tests(f: CryptoProviderTestCase<MyAes128Impl>) {
+    ///         f(MyAes128Impl);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
     #[case::decrypt(aes_128_test_decrypt)]
-    fn aes_128_test_cases<F: AesFactory<Key = Aes128Key>>(
+    fn aes_128_decrypt_test_cases<F: AesFactory<Key = Aes128Key>>(
         #[case] testcase: CryptoProviderTestCase<F>,
     ) {
     }
@@ -280,7 +328,7 @@ pub mod testing {
     /// use crypto_provider::aes::testing::*;
     ///
     /// mod tests {
-    ///     #[apply(aes_256_test_cases)]
+    ///     #[apply(aes_256_encrypt_test_cases)]
     ///     fn aes_256_tests(f: CryptoProviderTestCase<MyAes256Impl>) {
     ///         f(MyAes256Impl);
     ///     }
@@ -290,8 +338,29 @@ pub mod testing {
     #[export]
     #[rstest]
     #[case::encrypt(aes_256_test_encrypt)]
+    fn aes_256_encrypt_test_cases<F: AesFactory<Key = Aes256Key>>(
+        #[case] testcase: CryptoProviderTestCase<F>,
+    ) {
+    }
+
+    /// Generates the test cases to validate the AES-256 implementation.
+    /// For example, to test `MyAes256Impl`:
+    ///
+    /// ```
+    /// use crypto_provider::aes::testing::*;
+    ///
+    /// mod tests {
+    ///     #[apply(aes_256_decrypt_test_cases)]
+    ///     fn aes_256_tests(f: CryptoProviderTestCase<MyAes256Impl>) {
+    ///         f(MyAes256Impl);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
     #[case::decrypt(aes_256_test_decrypt)]
-    fn aes_256_test_cases<F: AesFactory<Key = Aes256Key>>(
+    fn aes_256_decrypt_test_cases<F: AesFactory<Key = Aes256Key>>(
         #[case] testcase: CryptoProviderTestCase<F>,
     ) {
     }
diff --git a/nearby/crypto/crypto_provider/src/ed25519.rs b/nearby/crypto/crypto_provider/src/ed25519.rs
index 1a752ba..4cee2da 100644
--- a/nearby/crypto/crypto_provider/src/ed25519.rs
+++ b/nearby/crypto/crypto_provider/src/ed25519.rs
@@ -60,6 +60,8 @@ pub trait KeyPair: Sized {
     fn sign(&self, msg: &[u8]) -> Self::Signature;
 
     /// Generate an ed25519 keypair from a CSPRNG
+    /// generate is not available in `no-std`
+    #[cfg(feature = "std")]
     fn generate() -> Self;
 
     /// getter function for the Public Key of the key pair
@@ -82,6 +84,12 @@ pub trait PublicKey {
     /// the signature type being used by verify
     type Signature: Signature;
 
+    /// Builds this public key from an array of bytes in
+    /// the format yielded by `to_bytes`.
+    fn from_bytes(bytes: [u8; KEY_LENGTH]) -> Result<Self, InvalidBytes>
+    where
+        Self: Sized;
+
     /// Yields the bytes of the public key
     fn to_bytes(&self) -> [u8; KEY_LENGTH];
 
diff --git a/nearby/crypto/crypto_provider/src/elliptic_curve.rs b/nearby/crypto/crypto_provider/src/elliptic_curve.rs
index 0319bb9..75b12b1 100644
--- a/nearby/crypto/crypto_provider/src/elliptic_curve.rs
+++ b/nearby/crypto/crypto_provider/src/elliptic_curve.rs
@@ -36,11 +36,14 @@ pub trait EphemeralSecret<C: Curve>: Send {
     /// The associated ECDH provider.
     type Impl: EcdhProvider<C>;
 
-    /// The error type assocated with this ephemeral secret implementation.
+    /// The error type associated with this ephemeral secret implementation.
     type Error: Debug;
 
+    /// The random number generator to be used for generating a secret
+    type Rng: crate::CryptoRng;
+
     /// Generates a new random ephemeral secret.
-    fn generate_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self;
+    fn generate_random(rng: &mut Self::Rng) -> Self;
 
     /// Returns the bytes of the public key for this ephemeral secret that is suitable for sending
     /// over the wire for key exchange.
diff --git a/nearby/crypto/crypto_provider/src/hkdf.rs b/nearby/crypto/crypto_provider/src/hkdf.rs
index dab4e13..c905302 100644
--- a/nearby/crypto/crypto_provider/src/hkdf.rs
+++ b/nearby/crypto/crypto_provider/src/hkdf.rs
@@ -33,3 +33,292 @@ pub trait Hkdf {
 /// an invalid length
 #[derive(Debug)]
 pub struct InvalidLength;
+
+/// Test cases exported for testing specific hkdf implementations
+#[cfg(feature = "testing")]
+pub mod testing {
+    extern crate alloc;
+    use crate::hkdf::Hkdf;
+    pub use crate::testing::prelude::*;
+    use crate::CryptoProvider;
+    use alloc::vec;
+    use alloc::vec::Vec;
+    use core::iter;
+    use core::marker::PhantomData;
+    use hex_literal::hex;
+    use rstest_reuse::template;
+
+    /// Generates the test cases to validate the hkdf implementation.
+    /// For example, to test `MyCryptoProvider`:
+    ///
+    /// ```
+    /// mod tests {
+    ///     use std::marker::PhantomData;
+    ///     use crypto_provider::testing::CryptoProviderTestCase;
+    ///     #[apply(hkdf_test_cases)]
+    ///     fn hkdf_tests(testcase: CryptoProviderTestCase<MyCryptoProvider>){
+    ///         testcase(PhantomData::<MyCryptoProvider>);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
+    #[case::basic_test_hkdf(basic_test_hkdf)]
+    #[case::test_rfc5869_sha256(test_rfc5869_sha256)]
+    #[case::test_lengths(test_lengths)]
+    #[case::test_max_length(test_max_length)]
+    #[case::test_max_length_exceeded(test_max_length_exceeded)]
+    #[case::test_unsupported_length(test_unsupported_length)]
+    #[case::test_expand_multi_info(test_expand_multi_info)]
+    #[case::run_hkdf_sha256_vectors(run_hkdf_sha256_vectors)]
+    #[case::run_hkdf_sha512_vectors(run_hkdf_sha512_vectors)]
+    fn hkdf_test_cases<C: CryptoProvider>(#[case] testcase: CryptoProviderTestCase<C>) {}
+
+    const MAX_SHA256_LENGTH: usize = 255 * (256 / 8); // =8160
+
+    ///
+    pub struct Test<'a> {
+        ikm: &'a [u8],
+        salt: &'a [u8],
+        info: &'a [u8],
+        okm: &'a [u8],
+    }
+
+    /// data taken from sample code in Readme of crates.io page
+    pub fn basic_test_hkdf<C: CryptoProvider>(_: PhantomData<C>) {
+        let ikm = hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
+        let salt = hex!("000102030405060708090a0b0c");
+        let info = hex!("f0f1f2f3f4f5f6f7f8f9");
+
+        let hk = C::HkdfSha256::new(Some(&salt[..]), &ikm);
+        let mut okm = [0u8; 42];
+        hk.expand(&info, &mut okm)
+            .expect("42 is a valid length for Sha256 to output");
+
+        let expected = hex!(
+            "
+        3cb25f25faacd57a90434f64d0362f2a
+        2d2d0a90cf1a5a4c5db02d56ecc4c5bf
+        34007208d5b887185865
+        "
+        );
+        assert_eq!(okm, expected);
+    }
+
+    // Test Vectors from https://tools.ietf.org/html/rfc5869.
+    #[rustfmt::skip]
+    ///
+    pub fn test_rfc5869_sha256<C: CryptoProvider>(_: PhantomData<C>) {
+        let tests = [
+            Test {
+                // Test Case 1
+                ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
+                salt: &hex!("000102030405060708090a0b0c"),
+                info: &hex!("f0f1f2f3f4f5f6f7f8f9"),
+                okm: &hex!("
+                    3cb25f25faacd57a90434f64d0362f2a
+                    2d2d0a90cf1a5a4c5db02d56ecc4c5bf
+                    34007208d5b887185865
+                "),
+            },
+            Test {
+                // Test Case 2
+                ikm: &hex!("
+                    000102030405060708090a0b0c0d0e0f
+                    101112131415161718191a1b1c1d1e1f
+                    202122232425262728292a2b2c2d2e2f
+                    303132333435363738393a3b3c3d3e3f
+                    404142434445464748494a4b4c4d4e4f
+                "),
+                salt: &hex!("
+                    606162636465666768696a6b6c6d6e6f
+                    707172737475767778797a7b7c7d7e7f
+                    808182838485868788898a8b8c8d8e8f
+                    909192939495969798999a9b9c9d9e9f
+                    a0a1a2a3a4a5a6a7a8a9aaabacadaeaf
+                "),
+                info: &hex!("
+                    b0b1b2b3b4b5b6b7b8b9babbbcbdbebf
+                    c0c1c2c3c4c5c6c7c8c9cacbcccdcecf
+                    d0d1d2d3d4d5d6d7d8d9dadbdcdddedf
+                    e0e1e2e3e4e5e6e7e8e9eaebecedeeef
+                    f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
+                "),
+                okm: &hex!("
+                    b11e398dc80327a1c8e7f78c596a4934
+                    4f012eda2d4efad8a050cc4c19afa97c
+                    59045a99cac7827271cb41c65e590e09
+                    da3275600c2f09b8367793a9aca3db71
+                    cc30c58179ec3e87c14c01d5c1f3434f
+                    1d87
+                "),
+            },
+            Test {
+                // Test Case 3
+                ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
+                salt: &hex!(""),
+                info: &hex!(""),
+                okm: &hex!("
+                    8da4e775a563c18f715f802a063c5a31
+                    b8a11f5c5ee1879ec3454e5f3c738d2d
+                    9d201395faa4b61a96c8
+                "),
+            },
+        ];
+        for Test { ikm, salt, info, okm } in tests.iter() {
+            let salt = if salt.is_empty() {
+                None
+            } else {
+                Some(&salt[..])
+            };
+            let hkdf = C::HkdfSha256::new(salt, ikm);
+            let mut okm2 = vec![0u8; okm.len()];
+            assert!(hkdf.expand(&info[..], &mut okm2).is_ok());
+            assert_eq!(okm2[..], okm[..]);
+        }
+    }
+
+    ///
+    pub fn test_lengths<C: CryptoProvider>(_: PhantomData<C>) {
+        let hkdf = C::HkdfSha256::new(None, &[]);
+        let mut longest = vec![0u8; MAX_SHA256_LENGTH];
+        assert!(hkdf.expand(&[], &mut longest).is_ok());
+        // Runtime is O(length), so exhaustively testing all legal lengths
+        // would take too long (at least without --release). Only test a
+        // subset: the first 500, the last 10, and every 100th in between.
+        // 0 is an invalid key length for openssl, so start at 1
+        let lengths = (1..MAX_SHA256_LENGTH + 1)
+            .filter(|&len| !(500..=MAX_SHA256_LENGTH - 10).contains(&len) || len % 100 == 0);
+
+        for length in lengths {
+            let mut okm = vec![0u8; length];
+
+            assert!(hkdf.expand(&[], &mut okm).is_ok());
+            assert_eq!(okm.len(), length);
+            assert_eq!(okm[..], longest[..length]);
+        }
+    }
+
+    ///
+    pub fn test_max_length<C: CryptoProvider>(_: PhantomData<C>) {
+        let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
+        let mut okm = vec![0u8; MAX_SHA256_LENGTH];
+        assert!(hkdf.expand(&[], &mut okm).is_ok());
+    }
+
+    ///
+    pub fn test_max_length_exceeded<C: CryptoProvider>(_: PhantomData<C>) {
+        let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
+        let mut okm = vec![0u8; MAX_SHA256_LENGTH + 1];
+        assert!(hkdf.expand(&[], &mut okm).is_err());
+    }
+
+    ///
+    pub fn test_unsupported_length<C: CryptoProvider>(_: PhantomData<C>) {
+        let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
+        let mut okm = vec![0u8; 90000];
+        assert!(hkdf.expand(&[], &mut okm).is_err());
+    }
+
+    ///
+    pub fn test_expand_multi_info<C: CryptoProvider>(_: PhantomData<C>) {
+        let info_components = &[
+            &b"09090909090909090909090909090909090909090909"[..],
+            &b"8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a"[..],
+            &b"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0"[..],
+            &b"4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4"[..],
+            &b"1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d"[..],
+        ];
+
+        let hkdf = C::HkdfSha256::new(None, b"some ikm here");
+
+        // Compute HKDF-Expand on the concatenation of all the info components
+        let mut oneshot_res = [0u8; 16];
+        hkdf.expand(&info_components.concat(), &mut oneshot_res)
+            .unwrap();
+
+        // Now iteratively join the components of info_components until it's all 1 component. The value
+        // of HKDF-Expand should be the same throughout
+        let mut num_concatted = 0;
+        let mut info_head = Vec::new();
+
+        while num_concatted < info_components.len() {
+            info_head.extend(info_components[num_concatted]);
+
+            // Build the new input to be the info head followed by the remaining components
+            let input: Vec<&[u8]> = iter::once(info_head.as_slice())
+                .chain(info_components.iter().cloned().skip(num_concatted + 1))
+                .collect();
+
+            // Compute and compare to the one-shot answer
+            let mut multipart_res = [0u8; 16];
+            hkdf.expand_multi_info(&input, &mut multipart_res).unwrap();
+            assert_eq!(multipart_res, oneshot_res);
+            num_concatted += 1;
+        }
+    }
+
+    ///
+    pub fn run_hkdf_sha256_vectors<C: CryptoProvider>(_: PhantomData<C>) {
+        run_hkdf_test_vectors::<C::HkdfSha256>(HashAlg::Sha256)
+    }
+
+    ///
+    pub fn run_hkdf_sha512_vectors<C: CryptoProvider>(_: PhantomData<C>) {
+        run_hkdf_test_vectors::<C::HkdfSha512>(HashAlg::Sha512)
+    }
+
+    enum HashAlg {
+        Sha256,
+        Sha512,
+    }
+
+    ///
+    fn run_hkdf_test_vectors<K: Hkdf>(hash: HashAlg) {
+        let test_name = match hash {
+            HashAlg::Sha256 => wycheproof::hkdf::TestName::HkdfSha256,
+            HashAlg::Sha512 => wycheproof::hkdf::TestName::HkdfSha512,
+        };
+
+        let test_set =
+            wycheproof::hkdf::TestSet::load(test_name).expect("should be able to load test set");
+        for test_group in test_set.test_groups {
+            for test in test_group.tests {
+                let ikm = test.ikm;
+                let salt = test.salt;
+                let info = test.info;
+                let okm = test.okm;
+                let tc_id = test.tc_id;
+                if let Some(desc) = run_test::<K>(
+                    ikm.as_slice(),
+                    salt.as_slice(),
+                    info.as_slice(),
+                    okm.as_slice(),
+                ) {
+                    panic!(
+                        "\n\
+                         Failed test {tc_id}: {desc}\n\
+                         ikm:\t{ikm:?}\n\
+                         salt:\t{salt:?}\n\
+                         info:\t{info:?}\n\
+                         okm:\t{okm:?}\n"
+                    );
+                }
+            }
+        }
+    }
+
+    fn run_test<K: Hkdf>(ikm: &[u8], salt: &[u8], info: &[u8], okm: &[u8]) -> Option<&'static str> {
+        let prk = K::new(Some(salt), ikm);
+        let mut got_okm = vec![0; okm.len()];
+
+        if prk.expand(info, &mut got_okm).is_err() {
+            return Some("prk expand");
+        }
+        if got_okm != okm {
+            return Some("mismatch in okm");
+        }
+        None
+    }
+}
diff --git a/nearby/crypto/crypto_provider/src/hmac.rs b/nearby/crypto/crypto_provider/src/hmac.rs
index c5a9ae1..40be189 100644
--- a/nearby/crypto/crypto_provider/src/hmac.rs
+++ b/nearby/crypto/crypto_provider/src/hmac.rs
@@ -44,3 +44,125 @@ pub struct MacError;
 /// Error output when the provided key material length is invalid
 #[derive(Debug)]
 pub struct InvalidLength;
+
+/// Test cases exported for testing specific hmac implementations
+#[cfg(feature = "testing")]
+pub mod testing {
+    use crate::hmac::Hmac;
+    use crate::rstest_reuse::template;
+    pub use crate::testing::prelude::*;
+    use crate::CryptoProvider;
+    use core::cmp::min;
+    use core::marker::PhantomData;
+    use wycheproof::TestResult;
+
+    /// Generates the test cases to validate the hmac implementation.
+    /// For example, to test `MyCryptoProvider`:
+    ///
+    /// ```
+    /// mod tests {
+    ///     use std::marker::PhantomData;
+    ///     use crypto_provider::testing::CryptoProviderTestCase;
+    ///     #[apply(hmac_test_cases)]
+    ///     fn hmac_tests(testcase: CryptoProviderTestCase<MyCryptoProvider>){
+    ///         testcase(PhantomData::<MyCryptoProvider>);
+    ///     }
+    /// }
+    /// ```
+    #[template]
+    #[export]
+    #[rstest]
+    #[case::hmac_sha256_test_vectors(hmac_sha256_test_vectors)]
+    #[case::hmac_sha512_test_vectors(hmac_sha512_test_vectors)]
+    fn hmac_test_cases<C: CryptoProvider>(#[case] testcase: CryptoProviderTestCase<C>) {}
+
+    /// Run wycheproof hmac sha256 test vectors on provided CryptoProvider
+    pub fn hmac_sha256_test_vectors<C: CryptoProvider>(_: PhantomData<C>) {
+        run_hmac_test_vectors::<32, C::HmacSha256>(HashAlg::Sha256)
+    }
+
+    /// Run wycheproof hmac sha512 test vectors on provided CryptoProvider
+    pub fn hmac_sha512_test_vectors<C: CryptoProvider>(_: PhantomData<C>) {
+        run_hmac_test_vectors::<64, C::HmacSha512>(HashAlg::Sha512)
+    }
+
+    enum HashAlg {
+        Sha256,
+        Sha512,
+    }
+
+    // Tests vectors from Project Wycheproof:
+    // https://github.com/google/wycheproof
+    fn run_hmac_test_vectors<const N: usize, H: Hmac<N>>(hash: HashAlg) {
+        let test_name = match hash {
+            HashAlg::Sha256 => wycheproof::mac::TestName::HmacSha256,
+            HashAlg::Sha512 => wycheproof::mac::TestName::HmacSha512,
+        };
+        let test_set =
+            wycheproof::mac::TestSet::load(test_name).expect("should be able to load test set");
+
+        for test_group in test_set.test_groups {
+            for test in test_group.tests {
+                let key = test.key;
+                let msg = test.msg;
+                let tag = test.tag;
+                let tc_id = test.tc_id;
+                let valid = match test.result {
+                    TestResult::Valid | TestResult::Acceptable => true,
+                    TestResult::Invalid => false,
+                };
+
+                if let Some(desc) =
+                    run_test::<N, H>(key.as_slice(), msg.as_slice(), tag.as_slice(), valid)
+                {
+                    panic!(
+                        "\n\
+                         Failed test {tc_id}: {desc}\n\
+                         key:\t{key:?}\n\
+                         msg:\t{msg:?}\n\
+                         tag:\t{tag:?}\n",
+                    );
+                }
+            }
+        }
+    }
+
+    fn run_test<const N: usize, H: Hmac<N>>(
+        key: &[u8],
+        input: &[u8],
+        tag: &[u8],
+        valid_data: bool,
+    ) -> Option<&'static str> {
+        let mut mac = H::new_from_slice(key).unwrap();
+        mac.update(input);
+        let result = mac.finalize();
+        let n = tag.len();
+        let result_bytes = &result[..n];
+
+        if valid_data {
+            if result_bytes != tag {
+                return Some("whole message");
+            }
+        } else {
+            return if result_bytes == tag {
+                Some("invalid should not match")
+            } else {
+                None
+            };
+        }
+
+        // test reading different chunk sizes
+        for chunk_size in 1..min(64, input.len()) {
+            let mut mac = H::new_from_slice(key).unwrap();
+            for chunk in input.chunks(chunk_size) {
+                mac.update(chunk);
+            }
+            let res = mac.verify_truncated_left(tag);
+            if res.is_err() {
+                return Some("chunked message");
+            }
+        }
+
+        None
+    }
+}
diff --git a/nearby/crypto/crypto_provider/src/lib.rs b/nearby/crypto/crypto_provider/src/lib.rs
index 5ec3d42..bc6d4d2 100644
--- a/nearby/crypto/crypto_provider/src/lib.rs
+++ b/nearby/crypto/crypto_provider/src/lib.rs
@@ -1,4 +1,3 @@
-#![no_std]
 // Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -11,7 +10,8 @@
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
-// limitations under the License.
+// limitations under the License.'
+#![no_std]
 #![forbid(unsafe_code)]
 #![deny(missing_docs)]
 
@@ -46,11 +46,11 @@ pub mod ed25519;
 /// Uber crypto trait which defines the traits for all crypto primitives as associated types
 pub trait CryptoProvider: Clone + Debug + PartialEq + Eq + Send {
     /// The Hkdf type which implements the hkdf trait
-    type HkdfSha256: hkdf::Hkdf + Clone;
+    type HkdfSha256: hkdf::Hkdf;
     /// The Hmac type which implements the hmac trait
     type HmacSha256: hmac::Hmac<32>;
     /// The Hkdf type which implements the hkdf trait
-    type HkdfSha512: hkdf::Hkdf + Clone;
+    type HkdfSha512: hkdf::Hkdf;
     /// The Hmac type which implements the hmac trait
     type HmacSha512: hmac::Hmac<64>;
     /// The AES-CBC-PKCS7 implementation to use
@@ -64,9 +64,9 @@ pub trait CryptoProvider: Clone + Debug + PartialEq + Eq + Send {
     /// The SHA512 hash implementation.
     type Sha512: sha2::Sha512;
     /// Plain AES-128 implementation (without block cipher mode).
-    type Aes128: aes::Aes<Key = aes::Aes128Key>;
+    type Aes128: aes::Aes<Key = Aes128Key>;
     /// Plain AES-256 implementation (without block cipher mode).
-    type Aes256: aes::Aes<Key = aes::Aes256Key>;
+    type Aes256: aes::Aes<Key = Aes256Key>;
     /// AES-128 with CTR block mode
     type AesCtr128: aes::ctr::AesCtr<Key = aes::Aes128Key>;
     /// AES-256 with CTR block mode
@@ -75,10 +75,46 @@ pub trait CryptoProvider: Clone + Debug + PartialEq + Eq + Send {
     /// using SHA-512 (SHA-2) and Curve25519
     type Ed25519: ed25519::Ed25519Provider;
 
+    /// The cryptographically secure random number generator
+    type CryptoRng: CryptoRng;
+
     /// Compares the two given slices, in constant time, and returns true if they are equal.
     fn constant_time_eq(a: &[u8], b: &[u8]) -> bool;
 }
 
+/// Wrapper to a cryptographically secure pseudo random number generator
+pub trait CryptoRng {
+    /// Returns an instance of the rng
+    fn new() -> Self;
+
+    /// Return the next random u64
+    fn next_u64(&mut self) -> u64;
+
+    /// Fill dest with random data
+    fn fill(&mut self, dest: &mut [u8]);
+
+    /// Generate a random byte
+    fn gen<U8>(&mut self) -> u8 {
+        let mut arr = [0u8; 1];
+        self.fill(&mut arr);
+        arr[0]
+    }
+}
+
+/// If impls want to opt out of passing a Rng they can simply use `()` for the Rng associated type
+impl CryptoRng for () {
+    fn new() -> Self {}
+
+    fn next_u64(&mut self) -> u64 {
+        unimplemented!()
+    }
+
+    fn fill(&mut self, _dest: &mut [u8]) {
+        unimplemented!()
+    }
+}
+
+use crate::aes::{Aes128Key, Aes256Key};
 #[cfg(feature = "testing")]
 pub use rstest_reuse;
 
diff --git a/nearby/crypto/crypto_provider/src/p256.rs b/nearby/crypto/crypto_provider/src/p256.rs
index 006cb6f..ac589f8 100644
--- a/nearby/crypto/crypto_provider/src/p256.rs
+++ b/nearby/crypto/crypto_provider/src/p256.rs
@@ -85,6 +85,7 @@ pub mod testing {
     use crate::{
         elliptic_curve::{EcdhProvider, EphemeralSecret, EphemeralSecretForTesting, PublicKey},
         testing::TestError,
+        CryptoRng,
     };
     use core::marker::PhantomData;
     use hex_literal::hex;
@@ -134,9 +135,12 @@ pub mod testing {
 
     /// Random test for P256PublicKey::to_bytes
     pub fn to_bytes_random_test<E: EcdhProviderForP256Test>(_: PhantomData<E>) {
-        let mut rng = rand::thread_rng();
         for _ in 1..100 {
-            let public_key_bytes = E::EphemeralSecret::generate_random(&mut rng).public_key_bytes();
+            let public_key_bytes =
+                E::EphemeralSecret::generate_random(&mut <E::EphemeralSecret as EphemeralSecret<
+                    P256,
+                >>::Rng::new())
+                .public_key_bytes();
             let public_key = E::PublicKey::from_bytes(&public_key_bytes).unwrap();
             assert_eq!(
                 E::PublicKey::from_bytes(&public_key.to_bytes()).unwrap(),
@@ -190,6 +194,17 @@ pub mod testing {
         );
     }
 
+    /// Test for P256PublicKey::from_sec1_bytes
+    pub fn from_sec1_bytes_at_infinity_test<E: EcdhProviderForP256Test>(_: PhantomData<E>) {
+        // A single [0] byte represents a point at infinity.
+        let sec1 = hex!("00");
+        let result = E::PublicKey::from_sec1_bytes(&sec1);
+        assert!(
+            result.is_err(),
+            "Creating public key from point at infinity should fail"
+        );
+    }
+
     /// Test for P256PublicKey::to_affine_coordinates
     pub fn public_key_to_affine_coordinates_test<E: EcdhProviderForP256Test>(_: PhantomData<E>) {
         // https://www.secg.org/sec1-v2.pdf, section 2.3.3
@@ -205,6 +220,52 @@ pub mod testing {
         assert_eq!(actual_y, expected_y);
     }
 
+    /// Test for P256PublicKey::to_affine_coordinates with compressed point with 0x02 octet prefix.
+    /// Support for compressed points is optional according to the specs, but both openssl and
+    /// rustcrypto implementations support it.
+    pub fn public_key_to_affine_coordinates_compressed02_test<E: EcdhProviderForP256Test>(
+        _: PhantomData<E>,
+    ) {
+        // https://www.secg.org/sec1-v2.pdf, section 2.3.3
+        let expected_x = hex!("21238e877c2400f15f9ea7d4353ac0a63dcb5d13168a96fcfc93bdc66031ed1c");
+        let expected_y = hex!("fa339bd0886602e91b9d2aa9b43213f660b680b1c97ef09cb1cacdc14e9d85ee");
+        let sec1 = hex!("0221238e877c2400f15f9ea7d4353ac0a63dcb5d13168a96fcfc93bdc66031ed1c");
+        let public_key = E::PublicKey::from_sec1_bytes(&sec1).unwrap();
+        let (actual_x, actual_y) = public_key.to_affine_coordinates().unwrap();
+        assert_eq!(actual_x, expected_x);
+        assert_eq!(actual_y, expected_y);
+    }
+
+    /// Test for P256PublicKey::to_affine_coordinates with compressed point with 0x03 octet prefix
+    /// Support for compressed points is optional according to the specs, but both openssl and
+    /// rustcrypto implementations support it.
+    pub fn public_key_to_affine_coordinates_compressed03_test<E: EcdhProviderForP256Test>(
+        _: PhantomData<E>,
+    ) {
+        // https://www.secg.org/sec1-v2.pdf, section 2.3.3
+        let expected_x = hex!("f557ef33d52e540e6aa4e6fcbb62a314adcb051cc8a1fefc69d004c282af81ff");
+        let expected_y = hex!("96cd4c6ed5cbf00bb3184e5cd983c3442160310c8519b4c4d16292be83eec539");
+        let sec1 = hex!("03f557ef33d52e540e6aa4e6fcbb62a314adcb051cc8a1fefc69d004c282af81ff");
+        let public_key = E::PublicKey::from_sec1_bytes(&sec1).unwrap();
+        let (actual_x, actual_y) = public_key.to_affine_coordinates().unwrap();
+        assert_eq!(actual_x, expected_x);
+        assert_eq!(actual_y, expected_y);
+    }
+
+    /// Test for P256PublicKey::to_affine_coordinates with the top byte being zero
+    pub fn public_key_to_affine_coordinates_zero_top_byte_test<E: EcdhProviderForP256Test>(
+        _: PhantomData<E>,
+    ) {
+        // https://www.secg.org/sec1-v2.pdf, section 2.3.3
+        let expected_x = hex!("00f24fe76679c57bc6c2f025af92e6c0b2058fb15fa41014775987587400ed48");
+        let expected_y = hex!("e09f6fa9979a60f578a62dca805ad75b9e6b89403f2ebb934869e3697ac590e9");
+        let sec1 = hex!("0400f24fe76679c57bc6c2f025af92e6c0b2058fb15fa41014775987587400ed48e09f6fa9979a60f578a62dca805ad75b9e6b89403f2ebb934869e3697ac590e9");
+        let public_key = E::PublicKey::from_sec1_bytes(&sec1).unwrap();
+        let (actual_x, actual_y) = public_key.to_affine_coordinates().unwrap();
+        assert_eq!(actual_x, expected_x);
+        assert_eq!(actual_y, expected_y);
+    }
+
     /// Test for P256 Diffie-Hellman key exchange.
     pub fn p256_ecdh_test<E: EcdhProviderForP256Test>(_: PhantomData<E>) {
         // From wycheproof ecdh_secp256r1_ecpoint_test.json, tcId 1
@@ -296,9 +357,19 @@ pub mod testing {
     #[case::to_bytes(to_bytes_test)]
     #[case::to_bytes_random(to_bytes_random_test)]
     #[case::from_sec1_bytes_not_on_curve(from_sec1_bytes_not_on_curve_test)]
+    #[case::from_sec1_bytes_not_on_infinity(from_sec1_bytes_at_infinity_test)]
     #[case::from_affine_coordinates(from_affine_coordinates_test)]
     #[case::from_affine_coordinates_not_on_curve(from_affine_coordinates_not_on_curve_test)]
     #[case::public_key_to_affine_coordinates(public_key_to_affine_coordinates_test)]
+    #[case::public_key_to_affine_coordinates_compressed02(
+        public_key_to_affine_coordinates_compressed02_test
+    )]
+    #[case::public_key_to_affine_coordinates_compressed03(
+        public_key_to_affine_coordinates_compressed03_test
+    )]
+    #[case::public_key_to_affine_coordinates_zero_top_byte(
+        public_key_to_affine_coordinates_zero_top_byte_test
+    )]
     #[case::p256_ecdh(p256_ecdh_test)]
     #[case::wycheproof_p256(wycheproof_p256_test)]
     fn p256_test_cases<C: CryptoProvider>(#[case] testcase: CryptoProviderTestCase<C>) {}
diff --git a/nearby/crypto/crypto_provider/src/x25519.rs b/nearby/crypto/crypto_provider/src/x25519.rs
index 641dbbe..0579159 100644
--- a/nearby/crypto/crypto_provider/src/x25519.rs
+++ b/nearby/crypto/crypto_provider/src/x25519.rs
@@ -27,6 +27,7 @@ pub mod testing {
     use crate::{
         elliptic_curve::{EcdhProvider, EphemeralSecret, EphemeralSecretForTesting, PublicKey},
         testing::TestError,
+        CryptoRng,
     };
     use core::marker::PhantomData;
     use hex_literal::hex;
@@ -72,9 +73,12 @@ pub mod testing {
 
     /// Random test for `PublicKey<X25519>::to_bytes`
     pub fn x25519_to_bytes_random_test<E: EcdhProviderForX25519Test>(_: PhantomData<E>) {
-        let mut rng = rand::thread_rng();
         for _ in 1..100 {
-            let public_key_bytes = E::EphemeralSecret::generate_random(&mut rng).public_key_bytes();
+            let public_key_bytes =
+                E::EphemeralSecret::generate_random(&mut <E::EphemeralSecret as EphemeralSecret<
+                    X25519,
+                >>::Rng::new())
+                .public_key_bytes();
             let public_key = E::PublicKey::from_bytes(&public_key_bytes).unwrap();
             assert_eq!(
                 E::PublicKey::from_bytes(&public_key.to_bytes()).unwrap(),
diff --git a/nearby/crypto/crypto_provider/tests/hkdf_tests.rs b/nearby/crypto/crypto_provider/tests/hkdf_tests.rs
deleted file mode 100644
index 72d8dcc..0000000
--- a/nearby/crypto/crypto_provider/tests/hkdf_tests.rs
+++ /dev/null
@@ -1,345 +0,0 @@
-// Copyright 2022 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/// Tests for both openssl and rust-crypto crypto_provider impls
-use crypto_provider::hkdf::Hkdf as _;
-use crypto_provider::CryptoProvider;
-use crypto_provider_openssl::Openssl;
-use crypto_provider_rustcrypto::RustCrypto;
-use hex_literal::hex;
-use std::iter;
-
-struct Test<'a> {
-    ikm: &'a [u8],
-    salt: &'a [u8],
-    info: &'a [u8],
-    okm: &'a [u8],
-}
-
-#[test]
-fn basic_test_rc() {
-    basic_test_hkdf::<RustCrypto>();
-}
-
-#[test]
-fn basic_test_openssl() {
-    basic_test_hkdf::<Openssl>();
-}
-
-/// data taken from sample code in Readme of crates.io page
-fn basic_test_hkdf<C: CryptoProvider>() {
-    let ikm = hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
-    let salt = hex!("000102030405060708090a0b0c");
-    let info = hex!("f0f1f2f3f4f5f6f7f8f9");
-
-    let hk = C::HkdfSha256::new(Some(&salt[..]), &ikm);
-    let mut okm = [0u8; 42];
-    hk.expand(&info, &mut okm)
-        .expect("42 is a valid length for Sha256 to output");
-
-    let expected = hex!(
-        "
-        3cb25f25faacd57a90434f64d0362f2a
-        2d2d0a90cf1a5a4c5db02d56ecc4c5bf
-        34007208d5b887185865
-        "
-    );
-    assert_eq!(okm, expected);
-}
-
-#[test]
-fn rfc5869_sha256_rc() {
-    test_rfc5869_sha256::<RustCrypto>();
-}
-
-#[test]
-fn rfc5869_sha256_openssl() {
-    test_rfc5869_sha256::<Openssl>();
-}
-
-// Test Vectors from https://tools.ietf.org/html/rfc5869.
-#[rustfmt::skip]
-fn test_rfc5869_sha256<C: CryptoProvider>() {
-    let tests = [
-        Test {
-            // Test Case 1
-            ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
-            salt: &hex!("000102030405060708090a0b0c"),
-            info: &hex!("f0f1f2f3f4f5f6f7f8f9"),
-            okm: &hex!("
-                3cb25f25faacd57a90434f64d0362f2a
-                2d2d0a90cf1a5a4c5db02d56ecc4c5bf
-                34007208d5b887185865
-            "),
-        },
-        Test {
-            // Test Case 2
-            ikm: &hex!("
-                000102030405060708090a0b0c0d0e0f
-                101112131415161718191a1b1c1d1e1f
-                202122232425262728292a2b2c2d2e2f
-                303132333435363738393a3b3c3d3e3f
-                404142434445464748494a4b4c4d4e4f
-            "),
-            salt: &hex!("
-                606162636465666768696a6b6c6d6e6f
-                707172737475767778797a7b7c7d7e7f
-                808182838485868788898a8b8c8d8e8f
-                909192939495969798999a9b9c9d9e9f
-                a0a1a2a3a4a5a6a7a8a9aaabacadaeaf
-            "),
-            info: &hex!("
-                b0b1b2b3b4b5b6b7b8b9babbbcbdbebf
-                c0c1c2c3c4c5c6c7c8c9cacbcccdcecf
-                d0d1d2d3d4d5d6d7d8d9dadbdcdddedf
-                e0e1e2e3e4e5e6e7e8e9eaebecedeeef
-                f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
-            "),
-            okm: &hex!("
-                b11e398dc80327a1c8e7f78c596a4934
-                4f012eda2d4efad8a050cc4c19afa97c
-                59045a99cac7827271cb41c65e590e09
-                da3275600c2f09b8367793a9aca3db71
-                cc30c58179ec3e87c14c01d5c1f3434f
-                1d87
-            "),
-        },
-        Test {
-            // Test Case 3
-            ikm: &hex!("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"),
-            salt: &hex!(""),
-            info: &hex!(""),
-            okm: &hex!("
-                8da4e775a563c18f715f802a063c5a31
-                b8a11f5c5ee1879ec3454e5f3c738d2d
-                9d201395faa4b61a96c8
-            "),
-        },
-    ];
-    for Test { ikm, salt, info, okm } in tests.iter() {
-        let salt = if salt.is_empty() {
-            None
-        } else {
-            Some(&salt[..])
-        };
-        let hkdf = C::HkdfSha256::new(salt, ikm);
-        let mut okm2 = vec![0u8; okm.len()];
-        assert!(hkdf.expand(&info[..], &mut okm2).is_ok());
-        assert_eq!(okm2[..], okm[..]);
-    }
-}
-
-const MAX_SHA256_LENGTH: usize = 255 * (256 / 8); // =8160
-
-#[test]
-fn lengths_rc() {
-    test_lengths::<RustCrypto>()
-}
-
-#[test]
-fn lengths_openssl() {
-    test_lengths::<Openssl>()
-}
-
-fn test_lengths<C: CryptoProvider>() {
-    let hkdf = C::HkdfSha256::new(None, &[]);
-    let mut longest = vec![0u8; MAX_SHA256_LENGTH];
-    assert!(hkdf.expand(&[], &mut longest).is_ok());
-    // Runtime is O(length), so exhaustively testing all legal lengths
-    // would take too long (at least without --release). Only test a
-    // subset: the first 500, the last 10, and every 100th in between.
-    // 0 is an invalid key length for openssl, so start at 1
-    let lengths = (1..MAX_SHA256_LENGTH + 1)
-        .filter(|&len| !(500..=MAX_SHA256_LENGTH - 10).contains(&len) || len % 100 == 0);
-
-    for length in lengths {
-        let mut okm = vec![0u8; length];
-
-        assert!(hkdf.expand(&[], &mut okm).is_ok());
-        assert_eq!(okm.len(), length);
-        assert_eq!(okm[..], longest[..length]);
-    }
-}
-
-#[test]
-fn max_length_rc() {
-    test_max_length::<RustCrypto>();
-}
-
-#[test]
-fn max_length_openssl() {
-    test_max_length::<Openssl>();
-}
-
-fn test_max_length<C: CryptoProvider>() {
-    let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
-    let mut okm = vec![0u8; MAX_SHA256_LENGTH];
-    assert!(hkdf.expand(&[], &mut okm).is_ok());
-}
-
-#[test]
-fn max_length_exceeded_rc() {
-    test_max_length_exceeded::<RustCrypto>();
-}
-
-#[test]
-fn max_length_exceeded_openssl() {
-    test_max_length_exceeded::<Openssl>();
-}
-
-fn test_max_length_exceeded<C: CryptoProvider>() {
-    let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
-    let mut okm = vec![0u8; MAX_SHA256_LENGTH + 1];
-    assert!(hkdf.expand(&[], &mut okm).is_err());
-}
-
-#[test]
-fn unsupported_length_rc() {
-    test_unsupported_length::<RustCrypto>();
-}
-
-#[test]
-fn unsupported_length_openssl() {
-    test_unsupported_length::<Openssl>();
-}
-
-fn test_unsupported_length<C: CryptoProvider>() {
-    let hkdf = C::HkdfSha256::new(Some(&[]), &[]);
-    let mut okm = vec![0u8; 90000];
-    assert!(hkdf.expand(&[], &mut okm).is_err());
-}
-
-#[test]
-fn expand_multi_info_rc() {
-    test_expand_multi_info::<RustCrypto>();
-}
-
-#[test]
-fn expand_multi_info_openssl() {
-    test_expand_multi_info::<Openssl>();
-}
-
-fn test_expand_multi_info<C: CryptoProvider>() {
-    let info_components = &[
-        &b"09090909090909090909090909090909090909090909"[..],
-        &b"8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a8a"[..],
-        &b"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0"[..],
-        &b"4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4c4"[..],
-        &b"1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d"[..],
-    ];
-
-    let hkdf = C::HkdfSha256::new(None, b"some ikm here");
-
-    // Compute HKDF-Expand on the concatenation of all the info components
-    let mut oneshot_res = [0u8; 16];
-    hkdf.expand(&info_components.concat(), &mut oneshot_res)
-        .unwrap();
-
-    // Now iteratively join the components of info_components until it's all 1 component. The value
-    // of HKDF-Expand should be the same throughout
-    let mut num_concatted = 0;
-    let mut info_head = Vec::new();
-
-    while num_concatted < info_components.len() {
-        info_head.extend(info_components[num_concatted]);
-
-        // Build the new input to be the info head followed by the remaining components
-        let input: Vec<&[u8]> = iter::once(info_head.as_slice())
-            .chain(info_components.iter().cloned().skip(num_concatted + 1))
-            .collect();
-
-        // Compute and compare to the one-shot answer
-        let mut multipart_res = [0u8; 16];
-        hkdf.expand_multi_info(&input, &mut multipart_res).unwrap();
-        assert_eq!(multipart_res, oneshot_res);
-        num_concatted += 1;
-    }
-}
-
-#[test]
-fn hkdf_sha_256_wycheproof_test_vectors_rc() {
-    run_hkdf_test_vectors::<<RustCrypto as CryptoProvider>::HkdfSha256>(HashAlg::Sha256)
-}
-
-#[test]
-fn hkdf_sha_512_wycheproof_test_vectors_rc() {
-    run_hkdf_test_vectors::<<RustCrypto as CryptoProvider>::HkdfSha512>(HashAlg::Sha512)
-}
-
-#[test]
-fn hkdf_sha_256_wycheproof_test_vectors_openssl() {
-    run_hkdf_test_vectors::<<Openssl as CryptoProvider>::HkdfSha256>(HashAlg::Sha256)
-}
-
-#[test]
-fn hkdf_sha_512_wycheproof_test_vectors_openssl() {
-    run_hkdf_test_vectors::<<Openssl as CryptoProvider>::HkdfSha512>(HashAlg::Sha512)
-}
-
-enum HashAlg {
-    Sha256,
-    Sha512,
-}
-
-fn run_hkdf_test_vectors<K: crypto_provider::hkdf::Hkdf>(hash: HashAlg) {
-    let test_name = match hash {
-        HashAlg::Sha256 => wycheproof::hkdf::TestName::HkdfSha256,
-        HashAlg::Sha512 => wycheproof::hkdf::TestName::HkdfSha512,
-    };
-
-    let test_set =
-        wycheproof::hkdf::TestSet::load(test_name).expect("should be able to load test set");
-    for test_group in test_set.test_groups {
-        for test in test_group.tests {
-            let ikm = test.ikm;
-            let salt = test.salt;
-            let info = test.info;
-            let okm = test.okm;
-            let tc_id = test.tc_id;
-            if let Some(desc) = run_test::<K>(
-                ikm.as_slice(),
-                salt.as_slice(),
-                info.as_slice(),
-                okm.as_slice(),
-            ) {
-                panic!(
-                    "\n\
-                         Failed test {tc_id}: {desc}\n\
-                         ikm:\t{ikm:?}\n\
-                         salt:\t{salt:?}\n\
-                         info:\t{info:?}\n\
-                         okm:\t{okm:?}\n"
-                );
-            }
-        }
-    }
-}
-
-fn run_test<K: crypto_provider::hkdf::Hkdf>(
-    ikm: &[u8],
-    salt: &[u8],
-    info: &[u8],
-    okm: &[u8],
-) -> Option<&'static str> {
-    let prk = K::new(Some(salt), ikm);
-    let mut got_okm = vec![0; okm.len()];
-
-    if prk.expand(info, &mut got_okm).is_err() {
-        return Some("prk expand");
-    }
-    if got_okm != okm {
-        return Some("mismatch in okm");
-    }
-    None
-}
diff --git a/nearby/crypto/crypto_provider/tests/hmac_tests.rs b/nearby/crypto/crypto_provider/tests/hmac_tests.rs
deleted file mode 100644
index b7b64ee..0000000
--- a/nearby/crypto/crypto_provider/tests/hmac_tests.rs
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2023 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-use core::cmp::min;
-use crypto_provider::CryptoProvider;
-use crypto_provider_openssl::Openssl;
-use crypto_provider_rustcrypto::RustCrypto;
-use wycheproof::TestResult;
-
-#[test]
-fn hmac_sha_256_wycheproof_test_vectors_rustcrypto() {
-    run_hmac_test_vectors::<32, <RustCrypto as CryptoProvider>::HmacSha256>(HashAlg::Sha256)
-}
-
-#[test]
-fn hmac_sha_256_wycheproof_test_vectors_openssl() {
-    run_hmac_test_vectors::<32, <Openssl as CryptoProvider>::HmacSha256>(HashAlg::Sha256)
-}
-
-#[test]
-fn hmac_sha_512_wycheproof_test_vectors_rustcrypto() {
-    run_hmac_test_vectors::<64, <RustCrypto as CryptoProvider>::HmacSha512>(HashAlg::Sha512)
-}
-
-#[test]
-fn hmac_sha_512_wycheproof_test_vectors_openssl() {
-    run_hmac_test_vectors::<64, <Openssl as CryptoProvider>::HmacSha512>(HashAlg::Sha512)
-}
-
-enum HashAlg {
-    Sha256,
-    Sha512,
-}
-
-// Tests vectors from Project Wycheproof:
-// https://github.com/google/wycheproof
-fn run_hmac_test_vectors<const N: usize, H: crypto_provider::hmac::Hmac<N>>(hash: HashAlg) {
-    let test_name = match hash {
-        HashAlg::Sha256 => wycheproof::mac::TestName::HmacSha256,
-        HashAlg::Sha512 => wycheproof::mac::TestName::HmacSha512,
-    };
-    let test_set =
-        wycheproof::mac::TestSet::load(test_name).expect("should be able to load test set");
-
-    for test_group in test_set.test_groups {
-        for test in test_group.tests {
-            let key = test.key;
-            let msg = test.msg;
-            let tag = test.tag;
-            let tc_id = test.tc_id;
-            let valid = match test.result {
-                TestResult::Valid | TestResult::Acceptable => true,
-                TestResult::Invalid => false,
-            };
-
-            if let Some(desc) =
-                run_test::<N, H>(key.as_slice(), msg.as_slice(), tag.as_slice(), valid)
-            {
-                panic!(
-                    "\n\
-                         Failed test {tc_id}: {desc}\n\
-                         key:\t{key:?}\n\
-                         msg:\t{msg:?}\n\
-                         tag:\t{tag:?}\n",
-                );
-            }
-        }
-    }
-}
-
-fn run_test<const N: usize, H: crypto_provider::hmac::Hmac<N>>(
-    key: &[u8],
-    input: &[u8],
-    tag: &[u8],
-    valid_data: bool,
-) -> Option<&'static str> {
-    let mut mac = H::new_from_slice(key).unwrap();
-    mac.update(input);
-    let result = mac.finalize();
-    let n = tag.len();
-    let result_bytes = &result[..n];
-
-    if valid_data {
-        if result_bytes != tag {
-            return Some("whole message");
-        }
-    } else {
-        return if result_bytes == tag {
-            Some("invalid should not match")
-        } else {
-            None
-        };
-    }
-
-    // test reading different chunk sizes
-    for chunk_size in 1..min(64, input.len()) {
-        let mut mac = H::new_from_slice(key).unwrap();
-        for chunk in input.chunks(chunk_size) {
-            mac.update(chunk);
-        }
-        let res = mac.verify_truncated_left(tag);
-        if res.is_err() {
-            return Some("chunked message");
-        }
-    }
-
-    None
-}
diff --git a/nearby/crypto/crypto_provider_boringssl/Cargo.lock b/nearby/crypto/crypto_provider_boringssl/Cargo.lock
new file mode 100644
index 0000000..4a8327d
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/Cargo.lock
@@ -0,0 +1,416 @@
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diff --git a/nearby/crypto/crypto_provider_boringssl/Cargo.toml b/nearby/crypto/crypto_provider_boringssl/Cargo.toml
new file mode 100644
index 0000000..686d871
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "crypto_provider_boringssl"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+crypto_provider = { path = "../crypto_provider", features = ["alloc", "std"] }
+crypto_provider_stubs = { path = "../crypto_provider_stubs" }
+
+# Note: before this crate will build you need to run `scripts/prepare-boringssl.sh`
+bssl-crypto = {path = "../../../boringssl-build/boringssl/rust/bssl-crypto"}
+
+[dev-dependencies]
+crypto_provider = {path = "../crypto_provider", features = ["std", "alloc", "testing"]}
diff --git a/nearby/crypto/crypto_provider_boringssl/src/aes.rs b/nearby/crypto/crypto_provider_boringssl/src/aes.rs
new file mode 100644
index 0000000..a4f275e
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/src/aes.rs
@@ -0,0 +1,137 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use bssl_crypto::aes::{AesDecryptKey, AesEncryptKey};
+use crypto_provider::aes::{
+    Aes, Aes128Key, Aes256Key, AesBlock, AesCipher, AesDecryptCipher, AesEncryptCipher, AesKey,
+};
+
+/// BoringSSL AES-128 operations
+pub struct Aes128;
+impl Aes for Aes128 {
+    type Key = Aes128Key;
+    type EncryptCipher = Aes128EncryptCipher;
+    type DecryptCipher = Aes128DecryptCipher;
+}
+
+/// BoringSSL AES-256 operations
+pub struct Aes256;
+impl Aes for Aes256 {
+    type Key = Aes256Key;
+    type EncryptCipher = Aes256EncryptCipher;
+    type DecryptCipher = Aes256DecryptCipher;
+}
+
+/// A BoringSSL backed AES-128 Encryption Cipher
+pub struct Aes128EncryptCipher(AesEncryptKey);
+
+/// A BoringSSL backed AES-128 Decryption Cipher
+pub struct Aes128DecryptCipher(AesDecryptKey);
+
+/// A BoringSSL backed AES-256 Encryption Cipher
+pub struct Aes256EncryptCipher(AesEncryptKey);
+
+/// A BoringSSL backed AES-256 Decryption Cipher
+pub struct Aes256DecryptCipher(AesDecryptKey);
+
+impl AesCipher for Aes128EncryptCipher {
+    type Key = Aes128Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(bssl_crypto::aes::AesEncryptKey::new_aes_128(
+            *key.as_array(),
+        ))
+    }
+}
+
+impl AesEncryptCipher for Aes128EncryptCipher {
+    fn encrypt(&self, block: &mut AesBlock) {
+        bssl_crypto::aes::Aes::encrypt(&self.0, block)
+    }
+}
+
+impl AesCipher for Aes128DecryptCipher {
+    type Key = Aes128Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(bssl_crypto::aes::AesDecryptKey::new_aes_128(
+            *key.as_array(),
+        ))
+    }
+}
+
+impl AesDecryptCipher for Aes128DecryptCipher {
+    fn decrypt(&self, block: &mut AesBlock) {
+        bssl_crypto::aes::Aes::decrypt(&self.0, block)
+    }
+}
+
+impl AesCipher for Aes256EncryptCipher {
+    type Key = Aes256Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(bssl_crypto::aes::AesEncryptKey::new_aes_256(
+            *key.as_array(),
+        ))
+    }
+}
+
+impl AesEncryptCipher for Aes256EncryptCipher {
+    fn encrypt(&self, block: &mut AesBlock) {
+        bssl_crypto::aes::Aes::encrypt(&self.0, block)
+    }
+}
+
+impl AesCipher for Aes256DecryptCipher {
+    type Key = Aes256Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(bssl_crypto::aes::AesDecryptKey::new_aes_256(
+            *key.as_array(),
+        ))
+    }
+}
+
+impl AesDecryptCipher for Aes256DecryptCipher {
+    fn decrypt(&self, block: &mut AesBlock) {
+        bssl_crypto::aes::Aes::decrypt(&self.0, block)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use core::marker::PhantomData;
+    use crypto_provider::aes::testing::*;
+
+    #[apply(aes_128_encrypt_test_cases)]
+    fn aes_128_encrypt_test(testcase: CryptoProviderTestCase<Aes128EncryptCipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_128_decrypt_test_cases)]
+    fn aes_128_decrypt_test(testcase: CryptoProviderTestCase<Aes128DecryptCipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_256_encrypt_test_cases)]
+    fn aes_256_encrypt_test(testcase: CryptoProviderTestCase<Aes256EncryptCipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_256_decrypt_test_cases)]
+    fn aes_256_decrypt_test(testcase: CryptoProviderTestCase<Aes256DecryptCipher>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_boringssl/src/hkdf.rs b/nearby/crypto/crypto_provider_boringssl/src/hkdf.rs
new file mode 100644
index 0000000..4ab0ad4
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/src/hkdf.rs
@@ -0,0 +1,63 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! BoringSSL based HKDF implementation. Unfortunately, because the OpenSSL and BoringSSL APIs
+//! diverged for HKDF, we have to have separate implementations.
+//!
+//! See the _Using BoringSSL_ section in `nearby/scripts/prepare_boringssl.sh` for instructions on
+//! how to test against BoringSSL.
+
+use bssl_crypto::digest::Md;
+use crypto_provider::hkdf::InvalidLength;
+
+/// Struct providing BoringSSL implemented Hkdf operations.
+pub struct Hkdf<M: Md>(bssl_crypto::hkdf::Hkdf<M>);
+
+impl<M: Md> crypto_provider::hkdf::Hkdf for Hkdf<M> {
+    fn new(salt: Option<&[u8]>, ikm: &[u8]) -> Self {
+        Self(bssl_crypto::hkdf::Hkdf::<M>::new(salt, ikm))
+    }
+
+    fn expand_multi_info(
+        &self,
+        info_components: &[&[u8]],
+        okm: &mut [u8],
+    ) -> Result<(), InvalidLength> {
+        if okm.is_empty() {
+            return Ok(());
+        }
+        self.0
+            .expand_multi_info(info_components, okm)
+            .map_err(|_| InvalidLength)
+    }
+
+    fn expand(&self, info: &[u8], okm: &mut [u8]) -> Result<(), InvalidLength> {
+        if okm.is_empty() {
+            return Ok(());
+        }
+        self.0.expand(info, okm).map_err(|_| InvalidLength)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::Boringssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hkdf::testing::*;
+
+    #[apply(hkdf_test_cases)]
+    fn hkdf_tests(testcase: CryptoProviderTestCase<Boringssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_boringssl/src/hmac.rs b/nearby/crypto/crypto_provider_boringssl/src/hmac.rs
new file mode 100644
index 0000000..3459c3b
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/src/hmac.rs
@@ -0,0 +1,93 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use crypto_provider::hmac::{InvalidLength, MacError};
+
+/// BoringSSL implemented Hmac Sha256 struct
+pub struct HmacSha256(bssl_crypto::hmac::HmacSha256);
+
+impl crypto_provider::hmac::Hmac<32> for HmacSha256 {
+    fn new_from_key(key: [u8; 32]) -> Self {
+        Self(bssl_crypto::hmac::HmacSha256::new(key))
+    }
+
+    fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength> {
+        Ok(Self(bssl_crypto::hmac::HmacSha256::new_from_slice(key)))
+    }
+
+    fn update(&mut self, data: &[u8]) {
+        self.0.update(data)
+    }
+
+    fn finalize(self) -> [u8; 32] {
+        self.0.finalize()
+    }
+
+    fn verify_slice(self, tag: &[u8]) -> Result<(), MacError> {
+        self.0.verify_slice(tag).map_err(|_| MacError)
+    }
+
+    fn verify(self, tag: [u8; 32]) -> Result<(), MacError> {
+        self.0.verify(tag).map_err(|_| MacError)
+    }
+
+    fn verify_truncated_left(self, tag: &[u8]) -> Result<(), MacError> {
+        self.0.verify_truncated_left(tag).map_err(|_| MacError)
+    }
+}
+
+/// BoringSSL implemented Hmac Sha512 struct
+pub struct HmacSha512(bssl_crypto::hmac::HmacSha512);
+
+impl crypto_provider::hmac::Hmac<64> for HmacSha512 {
+    fn new_from_key(key: [u8; 64]) -> Self {
+        Self(bssl_crypto::hmac::HmacSha512::new(key))
+    }
+
+    fn new_from_slice(key: &[u8]) -> Result<Self, InvalidLength> {
+        Ok(Self(bssl_crypto::hmac::HmacSha512::new_from_slice(key)))
+    }
+
+    fn update(&mut self, data: &[u8]) {
+        self.0.update(data)
+    }
+
+    fn finalize(self) -> [u8; 64] {
+        self.0.finalize()
+    }
+
+    fn verify_slice(self, tag: &[u8]) -> Result<(), MacError> {
+        self.0.verify_slice(tag).map_err(|_| MacError)
+    }
+
+    fn verify(self, tag: [u8; 64]) -> Result<(), MacError> {
+        self.0.verify(tag).map_err(|_| MacError)
+    }
+
+    fn verify_truncated_left(self, tag: &[u8]) -> Result<(), MacError> {
+        self.0.verify_truncated_left(tag).map_err(|_| MacError)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::Boringssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hmac::testing::*;
+
+    #[apply(hmac_test_cases)]
+    fn hmac_tests(testcase: CryptoProviderTestCase<Boringssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_boringssl/src/lib.rs b/nearby/crypto/crypto_provider_boringssl/src/lib.rs
new file mode 100644
index 0000000..c8c466d
--- /dev/null
+++ b/nearby/crypto/crypto_provider_boringssl/src/lib.rs
@@ -0,0 +1,83 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#![no_std]
+#![forbid(unsafe_code)]
+#![deny(
+    missing_docs,
+    clippy::indexing_slicing,
+    clippy::unwrap_used,
+    clippy::panic,
+    clippy::expect_used
+)]
+
+//! Crate which provides impls for CryptoProvider backed by BoringSSL.
+
+use bssl_crypto::digest::{Sha256, Sha512};
+use bssl_crypto::rand::rand_bytes;
+use crypto_provider::{CryptoProvider, CryptoRng};
+use crypto_provider_stubs::*;
+
+/// Implementation of `crypto_provider::aes` types using BoringSSL.
+pub mod aes;
+
+/// Implementations of crypto_provider::hkdf traits backed by BoringSSL
+pub mod hkdf;
+
+/// Implementations of crypto_provider::hmac traits backed by BoringSSL
+pub mod hmac;
+
+/// The BoringSSL backed struct which implements CryptoProvider
+#[derive(Default, Clone, Debug, PartialEq, Eq)]
+pub struct Boringssl;
+
+impl CryptoProvider for Boringssl {
+    type HkdfSha256 = hkdf::Hkdf<Sha256>;
+    type HmacSha256 = hmac::HmacSha256;
+    type HkdfSha512 = hkdf::Hkdf<Sha512>;
+    type HmacSha512 = hmac::HmacSha512;
+    type AesCbcPkcs7Padded = AesCbcPkcs7PaddedStubs;
+    type X25519 = X25519Stubs;
+    type P256 = P256Stubs;
+    type Sha256 = Sha2Stubs;
+    type Sha512 = Sha2Stubs;
+    type Aes128 = aes::Aes128;
+    type Aes256 = aes::Aes256;
+    type AesCtr128 = Aes128Stubs;
+    type AesCtr256 = Aes256Stubs;
+    type Ed25519 = Ed25519Stubs;
+    type CryptoRng = BoringSslRng;
+
+    fn constant_time_eq(_a: &[u8], _b: &[u8]) -> bool {
+        unimplemented!()
+    }
+}
+
+/// OpenSSL implemented random number generator
+pub struct BoringSslRng;
+
+impl CryptoRng for BoringSslRng {
+    fn new() -> Self {
+        BoringSslRng {}
+    }
+
+    fn next_u64(&mut self) -> u64 {
+        let mut buf = [0; 8];
+        rand_bytes(&mut buf);
+        u64::from_be_bytes(buf)
+    }
+
+    fn fill(&mut self, dest: &mut [u8]) {
+        rand_bytes(dest)
+    }
+}
diff --git a/nearby/crypto/crypto_provider_openssl/Cargo.toml b/nearby/crypto/crypto_provider_openssl/Cargo.toml
index 3131981..92d66a7 100644
--- a/nearby/crypto/crypto_provider_openssl/Cargo.toml
+++ b/nearby/crypto/crypto_provider_openssl/Cargo.toml
@@ -5,12 +5,12 @@ edition.workspace = true
 publish.workspace = true
 
 [dependencies]
-crypto_provider = { path = "../crypto_provider" }
+crypto_provider = { path = "../crypto_provider", features = ["alloc", "std"] }
 openssl.workspace = true
-ouroboros = "0.15.5"
-rand.workspace = true
 cfg-if.workspace = true
 
+ouroboros = "0.15.5"
+
 [features]
 default = []
 boringssl = ["openssl/unstable_boringssl"]
diff --git a/nearby/crypto/crypto_provider_openssl/src/aes/mod.rs b/nearby/crypto/crypto_provider_openssl/src/aes.rs
index bdd9098..742560a 100644
--- a/nearby/crypto/crypto_provider_openssl/src/aes/mod.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/aes.rs
@@ -25,108 +25,152 @@
 //! Implementation of `crypto_provider::aes` types using openssl's `symm` module.
 
 use crypto_provider::aes::cbc::{AesCbcIv, DecryptionError};
-use crypto_provider::aes::AesKey;
+use crypto_provider::aes::{
+    Aes, Aes128Key, Aes256Key, AesBlock, AesCipher, AesDecryptCipher, AesEncryptCipher, AesKey,
+};
 use openssl::symm::{Cipher, Crypter, Mode};
 
-/// OpenSSL implementation of AES-CBC-PKCS7.
-pub struct OpenSslAesCbcPkcs7;
-
-impl crypto_provider::aes::cbc::AesCbcPkcs7Padded for OpenSslAesCbcPkcs7 {
-    fn encrypt(key: &crypto_provider::aes::Aes256Key, iv: &AesCbcIv, message: &[u8]) -> Vec<u8> {
-        openssl::symm::encrypt(
-            Cipher::aes_256_cbc(),
-            key.as_slice(),
-            Some(iv.as_slice()),
-            message,
-        )
-        .unwrap()
-    }
+/// Uber struct which contains impls for AES-128 fns
+pub struct Aes128;
+impl Aes for Aes128 {
+    type Key = Aes128Key;
+    type EncryptCipher = Aes128Cipher;
+    type DecryptCipher = Aes128Cipher;
+}
 
-    fn decrypt(
-        key: &crypto_provider::aes::Aes256Key,
-        iv: &AesCbcIv,
-        ciphertext: &[u8],
-    ) -> Result<Vec<u8>, DecryptionError> {
-        openssl::symm::decrypt(
-            Cipher::aes_256_cbc(),
-            key.as_slice(),
-            Some(iv.as_slice()),
-            ciphertext,
-        )
-        .map_err(|_| DecryptionError::BadPadding)
-    }
+/// Uber struct which contains impls for AES-256 fns
+pub struct Aes256;
+impl Aes for Aes256 {
+    type Key = Aes256Key;
+    type EncryptCipher = Aes256Cipher;
+    type DecryptCipher = Aes256Cipher;
 }
 
-// AES-CTR
 /// Wrapper around openssl's AES-128 impl
-pub struct OpenSslAes128 {
-    key: [u8; 16],
-}
-/// Wrapper around openssl's AES-256 impl
-pub struct OpenSslAes256 {
-    key: [u8; 32],
-}
-impl crypto_provider::aes::Aes for OpenSslAes128 {
-    type Key = crypto_provider::aes::Aes128Key;
+pub struct Aes128Cipher(Aes128Key);
+
+impl AesCipher for Aes128Cipher {
+    type Key = Aes128Key;
+
     fn new(key: &Self::Key) -> Self {
-        OpenSslAes128 {
-            key: *key.as_array(),
-        }
+        Self(key.clone())
     }
+}
 
-    fn encrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
+impl AesEncryptCipher for Aes128Cipher {
+    fn encrypt(&self, block: &mut AesBlock) {
         // openssl requires the output to be at least 32 bytes long
         let mut output = [0_u8; 32];
-        let mut crypter =
-            Crypter::new(Cipher::aes_128_ecb(), Mode::Encrypt, &self.key, None).unwrap();
+        let mut crypter = Crypter::new(
+            Cipher::aes_128_ecb(),
+            Mode::Encrypt,
+            self.0.as_slice(),
+            None,
+        )
+        .unwrap();
         crypter.pad(false);
         crypter.update(block, &mut output).unwrap();
         block.copy_from_slice(&output[..crypto_provider::aes::BLOCK_SIZE]);
     }
-    fn decrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
+}
+
+impl AesDecryptCipher for Aes128Cipher {
+    fn decrypt(&self, block: &mut AesBlock) {
         // openssl requires the output to be at least 32 bytes long
         let mut output = [0_u8; 32];
-        let mut crypter =
-            Crypter::new(Cipher::aes_128_ecb(), Mode::Decrypt, &self.key, None).unwrap();
+        let mut crypter = Crypter::new(
+            Cipher::aes_128_ecb(),
+            Mode::Decrypt,
+            self.0.as_slice(),
+            None,
+        )
+        .unwrap();
         crypter.pad(false);
         crypter.update(block, &mut output).unwrap();
         block.copy_from_slice(&output[..crypto_provider::aes::BLOCK_SIZE]);
     }
 }
 
-impl crypto_provider::aes::Aes for OpenSslAes256 {
-    type Key = crypto_provider::aes::Aes256Key;
+/// Wrapper around openssl's AES-128 impl
+pub struct Aes256Cipher(Aes256Key);
+
+impl AesCipher for Aes256Cipher {
+    type Key = Aes256Key;
+
     fn new(key: &Self::Key) -> Self {
-        OpenSslAes256 {
-            key: *key.as_array(),
-        }
+        Self(key.clone())
     }
+}
 
-    fn encrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
+impl AesEncryptCipher for Aes256Cipher {
+    fn encrypt(&self, block: &mut AesBlock) {
         // openssl requires the output to be at least 32 bytes long
         let mut output = [0_u8; 32];
-        let mut crypter =
-            Crypter::new(Cipher::aes_256_ecb(), Mode::Encrypt, &self.key, None).unwrap();
+        let mut crypter = Crypter::new(
+            Cipher::aes_256_ecb(),
+            Mode::Encrypt,
+            self.0.as_slice(),
+            None,
+        )
+        .unwrap();
         crypter.pad(false);
         crypter.update(block, &mut output).unwrap();
         block.copy_from_slice(&output[..crypto_provider::aes::BLOCK_SIZE]);
     }
-    fn decrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
+}
+
+impl AesDecryptCipher for Aes256Cipher {
+    fn decrypt(&self, block: &mut AesBlock) {
         // openssl requires the output to be at least 32 bytes long
         let mut output = [0_u8; 32];
-        let mut crypter =
-            Crypter::new(Cipher::aes_256_ecb(), Mode::Decrypt, &self.key, None).unwrap();
+        let mut crypter = Crypter::new(
+            Cipher::aes_256_ecb(),
+            Mode::Decrypt,
+            self.0.as_slice(),
+            None,
+        )
+        .unwrap();
         crypter.pad(false);
         crypter.update(block, &mut output).unwrap();
         block.copy_from_slice(&output[..crypto_provider::aes::BLOCK_SIZE]);
     }
 }
 
+/// OpenSSL implementation of AES-CBC-PKCS7.
+pub struct OpenSslAesCbcPkcs7;
+
+impl crypto_provider::aes::cbc::AesCbcPkcs7Padded for OpenSslAesCbcPkcs7 {
+    fn encrypt(key: &crypto_provider::aes::Aes256Key, iv: &AesCbcIv, message: &[u8]) -> Vec<u8> {
+        openssl::symm::encrypt(
+            Cipher::aes_256_cbc(),
+            key.as_slice(),
+            Some(iv.as_slice()),
+            message,
+        )
+        .unwrap()
+    }
+
+    fn decrypt(
+        key: &crypto_provider::aes::Aes256Key,
+        iv: &AesCbcIv,
+        ciphertext: &[u8],
+    ) -> Result<Vec<u8>, DecryptionError> {
+        openssl::symm::decrypt(
+            Cipher::aes_256_cbc(),
+            key.as_slice(),
+            Some(iv.as_slice()),
+            ciphertext,
+        )
+        .map_err(|_| DecryptionError::BadPadding)
+    }
+}
+
 /// OpenSSL implementation of AES-CTR-128
 pub struct OpenSslAesCtr128 {
     enc_cipher: Crypter,
     dec_cipher: Crypter,
 }
+
 impl crypto_provider::aes::ctr::AesCtr for OpenSslAesCtr128 {
     type Key = crypto_provider::aes::Aes128Key;
     fn new(key: &Self::Key, iv: [u8; 16]) -> Self {
@@ -153,6 +197,7 @@ impl crypto_provider::aes::ctr::AesCtr for OpenSslAesCtr128 {
         in_slice.copy_from_slice(data);
         let _ = self.enc_cipher.update(&in_slice, data);
     }
+
     fn decrypt(&mut self, data: &mut [u8]) {
         let mut in_slice = vec![0u8; data.len()];
         in_slice.copy_from_slice(data);
@@ -165,6 +210,7 @@ pub struct OpenSslAesCtr256 {
     enc_cipher: Crypter,
     dec_cipher: Crypter,
 }
+
 impl crypto_provider::aes::ctr::AesCtr for OpenSslAesCtr256 {
     type Key = crypto_provider::aes::Aes256Key;
     fn new(key: &Self::Key, iv: [u8; 16]) -> Self {
@@ -191,6 +237,7 @@ impl crypto_provider::aes::ctr::AesCtr for OpenSslAesCtr256 {
         in_slice.copy_from_slice(data);
         let _ = self.enc_cipher.update(&in_slice, data);
     }
+
     fn decrypt(&mut self, data: &mut [u8]) {
         let mut in_slice = vec![0u8; data.len()];
         in_slice.copy_from_slice(data);
@@ -216,13 +263,23 @@ mod tests {
         testcase(PhantomData);
     }
 
-    #[apply(aes_128_test_cases)]
-    fn aes_128_test(testcase: CryptoProviderTestCase<OpenSslAes128>) {
+    #[apply(aes_128_encrypt_test_cases)]
+    fn aes_128_enc_test(testcase: CryptoProviderTestCase<Aes128Cipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_128_decrypt_test_cases)]
+    fn aes_128_dec_test(testcase: CryptoProviderTestCase<Aes128Cipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_256_encrypt_test_cases)]
+    fn aes_256_enc_test(testcase: CryptoProviderTestCase<Aes256Cipher>) {
         testcase(PhantomData);
     }
 
-    #[apply(aes_256_test_cases)]
-    fn aes_256_test(testcase: CryptoProviderTestCase<OpenSslAes256>) {
+    #[apply(aes_256_decrypt_test_cases)]
+    fn aes_256_dec_test(testcase: CryptoProviderTestCase<Aes256Cipher>) {
         testcase(PhantomData);
     }
 
diff --git a/nearby/crypto/crypto_provider_openssl/src/ed25519.rs b/nearby/crypto/crypto_provider_openssl/src/ed25519.rs
index 6daf1f0..cb37b6f 100644
--- a/nearby/crypto/crypto_provider_openssl/src/ed25519.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/ed25519.rs
@@ -90,6 +90,13 @@ pub struct PublicKey(Vec<u8>);
 impl crypto_provider::ed25519::PublicKey for PublicKey {
     type Signature = Signature;
 
+    fn from_bytes(bytes: [u8; KEY_LENGTH]) -> Result<Self, InvalidBytes>
+    where
+        Self: Sized,
+    {
+        Ok(PublicKey(bytes.to_vec()))
+    }
+
     fn to_bytes(&self) -> [u8; KEY_LENGTH] {
         //Should be length 32
         self.0.as_slice().try_into().unwrap()
diff --git a/nearby/crypto/crypto_provider_openssl/src/hkdf_boringssl.rs b/nearby/crypto/crypto_provider_openssl/src/hkdf_boringssl.rs
index 63e0ebc..f6c106d 100644
--- a/nearby/crypto/crypto_provider_openssl/src/hkdf_boringssl.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/hkdf_boringssl.rs
@@ -23,7 +23,6 @@ use crypto_provider::hkdf::InvalidLength;
 use std::marker::PhantomData;
 
 /// openssl based hkdf implementation
-#[derive(Clone)]
 pub struct Hkdf<H: OpenSslHash> {
     _marker: PhantomData<H>,
     salt: Option<Vec<u8>>,
@@ -63,3 +62,15 @@ impl<H: OpenSslHash> crypto_provider::hkdf::Hkdf for Hkdf<H> {
         self.expand_multi_info(&[info], okm)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::Openssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hkdf::testing::*;
+
+    #[apply(hkdf_test_cases)]
+    fn hkdf_tests(testcase: CryptoProviderTestCase<Openssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_openssl/src/hkdf_openssl.rs b/nearby/crypto/crypto_provider_openssl/src/hkdf_openssl.rs
index b6885bc..605cff1 100644
--- a/nearby/crypto/crypto_provider_openssl/src/hkdf_openssl.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/hkdf_openssl.rs
@@ -17,7 +17,6 @@ use crypto_provider::hkdf::InvalidLength;
 use std::marker::PhantomData;
 
 /// openssl based hkdf implementation
-#[derive(Clone)]
 pub struct Hkdf<H: OpenSslHash> {
     _marker: PhantomData<H>,
     salt: Option<Vec<u8>>,
@@ -61,3 +60,15 @@ impl<H: OpenSslHash> crypto_provider::hkdf::Hkdf for Hkdf<H> {
         self.expand_multi_info(&[info], okm)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::Openssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hkdf::testing::*;
+
+    #[apply(hkdf_test_cases)]
+    fn hkdf_tests(testcase: CryptoProviderTestCase<Openssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_openssl/src/hmac_boringssl.rs b/nearby/crypto/crypto_provider_openssl/src/hmac_boringssl.rs
index 82782b9..af728b3 100644
--- a/nearby/crypto/crypto_provider_openssl/src/hmac_boringssl.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/hmac_boringssl.rs
@@ -97,3 +97,15 @@ impl<const N: usize, H: Hash<N>> crypto_provider::hmac::Hmac<N> for Hmac<H> {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::Openssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hmac::testing::*;
+
+    #[apply(hmac_test_cases)]
+    fn hmac_tests(testcase: CryptoProviderTestCase<Openssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_openssl/src/hmac_openssl.rs b/nearby/crypto/crypto_provider_openssl/src/hmac_openssl.rs
index 34a64c4..d99ee3e 100644
--- a/nearby/crypto/crypto_provider_openssl/src/hmac_openssl.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/hmac_openssl.rs
@@ -175,3 +175,15 @@ fn verify_truncated_left<H: OpenSslHash>(hmac: Hmac<H>, tag: &[u8]) -> Result<()
         Err(MacError)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::Openssl;
+    use core::marker::PhantomData;
+    use crypto_provider::hmac::testing::*;
+
+    #[apply(hmac_test_cases)]
+    fn hmac_tests(testcase: CryptoProviderTestCase<Openssl>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_openssl/src/lib.rs b/nearby/crypto/crypto_provider_openssl/src/lib.rs
index ce03aaf..8930199 100644
--- a/nearby/crypto/crypto_provider_openssl/src/lib.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/lib.rs
@@ -17,14 +17,17 @@
 //! Crate which provides impls for CryptoProvider backed by openssl
 
 use cfg_if::cfg_if;
+use crypto_provider::CryptoRng;
 pub use openssl;
 use openssl::hash::MessageDigest;
 use openssl::md::MdRef;
+use openssl::rand::rand_bytes;
 
 /// Contains the openssl backed AES implementations for CryptoProvider
 mod aes;
 /// Contains the openssl backed ed25519 impl for key generation, verification, and signing
 mod ed25519;
+
 cfg_if! {
     if #[cfg(feature = "boringssl")] {
         /// Contains the boringssl backed hkdf impl for CryptoProvider
@@ -71,18 +74,37 @@ impl crypto_provider::CryptoProvider for Openssl {
     type P256 = p256::P256Ecdh;
     type Sha256 = sha2::OpenSslSha256;
     type Sha512 = sha2::OpenSslSha512;
-    type Aes128 = aes::OpenSslAes128;
-    type Aes256 = aes::OpenSslAes256;
+    type Aes128 = aes::Aes128;
+    type Aes256 = aes::Aes256;
     type AesCtr128 = aes::OpenSslAesCtr128;
     type AesCtr256 = aes::OpenSslAesCtr256;
-
     type Ed25519 = ed25519::Ed25519;
+    type CryptoRng = OpenSslRng;
 
     fn constant_time_eq(a: &[u8], b: &[u8]) -> bool {
         a.len() == b.len() && openssl::memcmp::eq(a, b)
     }
 }
 
+/// OpenSSL implemented random number generator
+pub struct OpenSslRng;
+
+impl CryptoRng for OpenSslRng {
+    fn new() -> Self {
+        OpenSslRng {}
+    }
+
+    fn next_u64(&mut self) -> u64 {
+        let mut buf = [0; 8];
+        rand_bytes(&mut buf).unwrap();
+        u64::from_be_bytes(buf)
+    }
+
+    fn fill(&mut self, dest: &mut [u8]) {
+        rand_bytes(dest).expect("Error in generating random bytes")
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::Openssl;
diff --git a/nearby/crypto/crypto_provider_openssl/src/p256.rs b/nearby/crypto/crypto_provider_openssl/src/p256.rs
index 9c7b675..35581dd 100644
--- a/nearby/crypto/crypto_provider_openssl/src/p256.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/p256.rs
@@ -38,6 +38,8 @@ pub enum Error {
     OpenSslError(ErrorStack),
     /// Unexpected size for the given input.
     WrongSize,
+    /// Invalid input given when creating keys from their byte representations.
+    InvalidInput,
 }
 
 impl From<ErrorStack> for Error {
@@ -51,6 +53,10 @@ impl crypto_provider::p256::P256PublicKey for P256PublicKey {
     type Error = Error;
 
     fn from_sec1_bytes(bytes: &[u8]) -> Result<Self, Self::Error> {
+        if bytes == [0] {
+            // Single 0 byte means infinity point.
+            return Err(Error::InvalidInput);
+        }
         let ecgroup = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1)?;
         let mut bncontext = BigNumContext::new()?;
         let ecpoint = EcPoint::from_bytes(&ecgroup, bytes, &mut bncontext)?;
@@ -87,8 +93,16 @@ impl crypto_provider::p256::P256PublicKey for P256PublicKey {
             .public_key()
             .affine_coordinates_gfp(&ecgroup, &mut p256x, &mut p256y, &mut bnctx)?;
         Ok((
-            p256x.to_vec().try_into().map_err(|_| Error::WrongSize)?,
-            p256y.to_vec().try_into().map_err(|_| Error::WrongSize)?,
+            p256x
+                .to_vec_padded(32)
+                .map_err(|_| Error::WrongSize)?
+                .try_into()
+                .expect("to_vec_padded(32) should always return vec of length 32"),
+            p256y
+                .to_vec_padded(32)
+                .map_err(|_| Error::WrongSize)?
+                .try_into()
+                .expect("to_vec_padded(32) should always return vec of length 32"),
         ))
     }
 }
@@ -99,8 +113,9 @@ pub struct P256EphemeralSecret(PKey<Private>);
 impl EphemeralSecret<P256> for P256EphemeralSecret {
     type Impl = P256Ecdh;
     type Error = Error;
+    type Rng = ();
 
-    fn generate_random<R: rand::Rng + rand::CryptoRng>(_rng: &mut R) -> Self {
+    fn generate_random(_rng: &mut Self::Rng) -> Self {
         let ecgroup = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();
         let eckey = EcKey::generate(&ecgroup).unwrap();
         Self(eckey.try_into().unwrap())
diff --git a/nearby/crypto/crypto_provider_openssl/src/x25519.rs b/nearby/crypto/crypto_provider_openssl/src/x25519.rs
index 020478b..0745c0b 100644
--- a/nearby/crypto/crypto_provider_openssl/src/x25519.rs
+++ b/nearby/crypto/crypto_provider_openssl/src/x25519.rs
@@ -47,8 +47,9 @@ pub struct X25519PrivateKey(PKey<Private>);
 impl EphemeralSecret<X25519> for X25519PrivateKey {
     type Impl = X25519Ecdh;
     type Error = ErrorStack;
+    type Rng = ();
 
-    fn generate_random<R: rand::Rng + rand::CryptoRng>(_rng: &mut R) -> Self {
+    fn generate_random(_rng: &mut Self::Rng) -> Self {
         let private_key = openssl::pkey::PKey::generate_x25519().unwrap();
         Self(private_key)
     }
diff --git a/nearby/crypto/crypto_provider_rustcrypto/Cargo.toml b/nearby/crypto/crypto_provider_rustcrypto/Cargo.toml
index ffb038b..2ab5354 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/Cargo.toml
+++ b/nearby/crypto/crypto_provider_rustcrypto/Cargo.toml
@@ -5,6 +5,8 @@ edition.workspace = true
 publish.workspace = true
 
 [dependencies]
+aead = "0.5.1"
+aes-gcm-siv = { version = "0.11.1", features = ["aes"], optional = true }
 crypto_provider.workspace = true
 hmac.workspace = true
 hkdf.workspace = true
@@ -12,19 +14,23 @@ sha2.workspace = true
 x25519-dalek.workspace = true
 p256 = { workspace = true, features = ["ecdh"], default-features = false }
 sec1.workspace = true
-ed25519-dalek = {workspace = true}
-rand = { workspace = true, features = ["std", "std_rng"] }
-rand_core_05_adapter.workspace = true
+ed25519-dalek = { workspace = true, default-features = false, features = ["rand_core"] }
+rand = { workspace = true, default-features = false }
+rand_core.workspace = true
 subtle.workspace = true
 aes.workspace = true
 ctr.workspace = true
 cbc.workspace = true
+cfg-if.workspace = true
+rand_chacha = { workspace = true, default-features = false, optional = true }
 
 [dev-dependencies]
 hex.workspace = true
 crypto_provider = { workspace = true, features = ["testing"] }
-rand = { workspace = true, features = ["std", "std_rng"] }
+crypto_provider_rustcrypto = { path = ".", features = ["std"] }
 
 [features]
-default = ["alloc"]
-alloc = []
+default = ["alloc", "gcm_siv", "rand_chacha"]
+std = ["ed25519-dalek/default", "rand/std", "rand/std_rng", "crypto_provider/std", "crypto_provider/alloc"]
+alloc = ["aead/bytes"]
+gcm_siv = ["crypto_provider/gcm_siv", "dep:aes-gcm-siv"]
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/aes/gcm_siv.rs b/nearby/crypto/crypto_provider_rustcrypto/src/aes/gcm_siv.rs
new file mode 100644
index 0000000..98eca08
--- /dev/null
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/aes/gcm_siv.rs
@@ -0,0 +1,84 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use aes_gcm_siv::{AeadInPlace, Aes128GcmSiv, Aes256GcmSiv, KeyInit, Nonce};
+extern crate alloc;
+use alloc::vec::Vec;
+
+use crypto_provider::aes::gcm_siv::GcmSivError;
+use crypto_provider::aes::{Aes128Key, Aes256Key, AesKey};
+
+pub struct AesGcmSiv128(Aes128GcmSiv);
+
+impl crypto_provider::aes::gcm_siv::AesGcmSiv for AesGcmSiv128 {
+    type Key = Aes128Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(Aes128GcmSiv::new(key.as_slice().into()))
+    }
+
+    fn encrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError> {
+        self.0
+            .encrypt_in_place(Nonce::from_slice(nonce), aad, data)
+            .map_err(|_| GcmSivError::EncryptOutBufferTooSmall)
+    }
+
+    fn decrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError> {
+        self.0
+            .decrypt_in_place(Nonce::from_slice(nonce), aad, data)
+            .map_err(|_| GcmSivError::DecryptTagDoesNotMatch)
+    }
+}
+
+pub struct AesGcmSiv256(Aes256GcmSiv);
+
+impl crypto_provider::aes::gcm_siv::AesGcmSiv for AesGcmSiv256 {
+    type Key = Aes256Key;
+
+    fn new(key: &Self::Key) -> Self {
+        Self(Aes256GcmSiv::new(key.as_slice().into()))
+    }
+
+    fn encrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError> {
+        self.0
+            .encrypt_in_place(Nonce::from_slice(nonce), aad, data)
+            .map_err(|_| GcmSivError::EncryptOutBufferTooSmall)
+    }
+
+    fn decrypt(&self, data: &mut Vec<u8>, aad: &[u8], nonce: &[u8]) -> Result<(), GcmSivError> {
+        self.0
+            .decrypt_in_place(Nonce::from_slice(nonce), aad, data)
+            .map_err(|_| GcmSivError::DecryptTagDoesNotMatch)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use core::marker::PhantomData;
+
+    use crypto_provider::aes::gcm_siv::testing::*;
+    use crypto_provider::aes::testing::*;
+
+    use super::*;
+
+    #[apply(aes_128_gcm_siv_test_cases)]
+    fn aes_gcm_siv_128_test(testcase: CryptoProviderTestCase<AesGcmSiv128>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_256_gcm_siv_test_cases)]
+    fn aes_gcm_siv_256_test(testcase: CryptoProviderTestCase<AesGcmSiv256>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/aes/mod.rs b/nearby/crypto/crypto_provider_rustcrypto/src/aes/mod.rs
index 0ff0107..a351b81 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/aes/mod.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/aes/mod.rs
@@ -15,69 +15,89 @@
 //! Implementation of `crypto_provider::aes` types using RustCrypto's `aes`.
 #![forbid(unsafe_code)]
 
-/// Module implementing AES-CBC.
-#[cfg(feature = "alloc")]
-pub(crate) mod cbc;
-
 use aes::cipher::{
     generic_array, BlockDecrypt as _, BlockEncrypt as _, KeyInit as _, KeyIvInit as _,
     StreamCipher as _,
 };
-use crypto_provider::aes::AesKey as _;
 
-/// Wrapper around Rust Crypto's AES-128 impl
-pub struct Aes128 {
-    aes: aes::Aes128,
+use crypto_provider::aes::{
+    Aes, Aes128Key, Aes256Key, AesBlock, AesCipher, AesDecryptCipher, AesEncryptCipher, AesKey,
+};
+
+/// Module implementing AES-CBC.
+#[cfg(feature = "alloc")]
+pub(crate) mod cbc;
+#[cfg(feature = "gcm_siv")]
+pub(crate) mod gcm_siv;
+
+/// Rust crypto implementation of AES-128
+pub struct Aes128;
+impl Aes for Aes128 {
+    type Key = Aes128Key;
+    type EncryptCipher = Aes128Cipher;
+    type DecryptCipher = Aes128Cipher;
 }
 
-/// Wrapper around Rust Crypto's AES-256 impl
-pub struct Aes256 {
-    aes: aes::Aes256,
+/// Rust crypto implementation of AES-256
+pub struct Aes256;
+impl Aes for Aes256 {
+    type Key = Aes256Key;
+    type EncryptCipher = Aes256Cipher;
+    type DecryptCipher = Aes256Cipher;
 }
 
-impl crypto_provider::aes::Aes for Aes128 {
-    type Key = crypto_provider::aes::Aes128Key;
+/// A Rust Crypto AES-128 cipher used for encryption and decryption
+pub struct Aes128Cipher(aes::Aes128);
+
+impl AesCipher for Aes128Cipher {
+    type Key = Aes128Key;
 
     fn new(key: &Self::Key) -> Self {
-        Aes128 {
-            aes: aes::Aes128::new(key.as_array().into()),
-        }
+        Self(aes::Aes128::new(key.as_array().into()))
     }
+}
 
-    fn encrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
-        self.aes
+impl AesEncryptCipher for Aes128Cipher {
+    fn encrypt(&self, block: &mut AesBlock) {
+        self.0
             .encrypt_block(generic_array::GenericArray::from_mut_slice(
                 block.as_mut_slice(),
             ));
     }
+}
 
-    fn decrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
-        self.aes
+impl AesDecryptCipher for Aes128Cipher {
+    fn decrypt(&self, block: &mut AesBlock) {
+        self.0
             .decrypt_block(generic_array::GenericArray::from_mut_slice(
                 block.as_mut_slice(),
             ))
     }
 }
 
-// identical to Aes128 impl
-impl crypto_provider::aes::Aes for Aes256 {
-    type Key = crypto_provider::aes::Aes256Key;
+/// A Rust Crypto AES-256 cipher used for encryption and decryption
+pub struct Aes256Cipher(aes::Aes256);
+
+impl AesCipher for Aes256Cipher {
+    type Key = Aes256Key;
 
     fn new(key: &Self::Key) -> Self {
-        Aes256 {
-            aes: aes::Aes256::new(key.as_array().into()),
-        }
+        Self(aes::Aes256::new(key.as_array().into()))
     }
+}
 
-    fn encrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
-        self.aes
+impl AesEncryptCipher for Aes256Cipher {
+    fn encrypt(&self, block: &mut AesBlock) {
+        self.0
             .encrypt_block(generic_array::GenericArray::from_mut_slice(
                 block.as_mut_slice(),
             ));
     }
+}
 
-    fn decrypt(&self, block: &mut crypto_provider::aes::AesBlock) {
-        self.aes
+impl AesDecryptCipher for Aes256Cipher {
+    fn decrypt(&self, block: &mut AesBlock) {
+        self.0
             .decrypt_block(generic_array::GenericArray::from_mut_slice(
                 block.as_mut_slice(),
             ))
@@ -132,11 +152,13 @@ impl crypto_provider::aes::ctr::AesCtr for AesCtr256 {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
     use core::marker::PhantomData;
+
     use crypto_provider::aes::ctr::testing::*;
     use crypto_provider::aes::testing::*;
 
+    use super::*;
+
     #[apply(aes_128_ctr_test_cases)]
     fn aes_128_ctr_test(testcase: CryptoProviderTestCase<AesCtr128>) {
         testcase(PhantomData);
@@ -147,13 +169,23 @@ mod tests {
         testcase(PhantomData);
     }
 
-    #[apply(aes_128_test_cases)]
-    fn aes_128_test(testcase: CryptoProviderTestCase<Aes128>) {
+    #[apply(aes_128_encrypt_test_cases)]
+    fn aes_128_encrypt_test(testcase: CryptoProviderTestCase<Aes128Cipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_128_decrypt_test_cases)]
+    fn aes_128_decrypt_test(testcase: CryptoProviderTestCase<Aes128Cipher>) {
+        testcase(PhantomData);
+    }
+
+    #[apply(aes_256_encrypt_test_cases)]
+    fn aes_256_encrypt_test(testcase: CryptoProviderTestCase<Aes256Cipher>) {
         testcase(PhantomData);
     }
 
-    #[apply(aes_256_test_cases)]
-    fn aes_256_test(testcase: CryptoProviderTestCase<Aes256>) {
+    #[apply(aes_256_decrypt_test_cases)]
+    fn aes_256_decrypt_test(testcase: CryptoProviderTestCase<Aes256Cipher>) {
         testcase(PhantomData);
     }
 }
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/ed25519.rs b/nearby/crypto/crypto_provider_rustcrypto/src/ed25519.rs
index 601b4c6..df5c5de 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/ed25519.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/ed25519.rs
@@ -12,30 +12,33 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use ed25519_dalek::Signer;
+
 use crypto_provider::ed25519::{
     InvalidBytes, InvalidSignature, Signature as _, SignatureError, KEY_LENGTH, KEY_PAIR_LENGTH,
     SIGNATURE_LENGTH,
 };
-use ed25519_dalek::Signer;
 
 pub struct Ed25519;
+
 impl crypto_provider::ed25519::Ed25519Provider for Ed25519 {
     type KeyPair = KeyPair;
     type PublicKey = PublicKey;
     type Signature = Signature;
 }
 
-pub struct KeyPair(ed25519_dalek::Keypair);
+pub struct KeyPair(ed25519_dalek::SigningKey);
+
 impl crypto_provider::ed25519::KeyPair for KeyPair {
     type PublicKey = PublicKey;
     type Signature = Signature;
 
     fn to_bytes(&self) -> [u8; KEY_PAIR_LENGTH] {
-        self.0.to_bytes()
+        self.0.to_keypair_bytes()
     }
 
     fn from_bytes(bytes: [u8; KEY_PAIR_LENGTH]) -> Result<Self, InvalidBytes> {
-        ed25519_dalek::Keypair::from_bytes(&bytes)
+        ed25519_dalek::SigningKey::from_keypair_bytes(&bytes)
             .map(Self)
             .map_err(|_| InvalidBytes)
     }
@@ -48,25 +51,25 @@ impl crypto_provider::ed25519::KeyPair for KeyPair {
 
     //TODO: allow providing a crypto rng and make it a no-op for openssl if the need arises to
     // improve perf of keypair generation
+    #[cfg(feature = "std")]
     fn generate() -> Self {
         let mut csprng = rand::rngs::ThreadRng::default();
-        Self(ed25519_dalek::Keypair::generate(
-            &mut rand_core_05_adapter::RandWrapper::from(&mut csprng),
-        ))
+        Self(ed25519_dalek::SigningKey::generate(&mut csprng))
     }
 
     fn public(&self) -> Self::PublicKey {
-        PublicKey(self.0.public)
+        PublicKey(self.0.verifying_key())
     }
 }
 
 pub struct Signature(ed25519_dalek::Signature);
+
 impl crypto_provider::ed25519::Signature for Signature {
     fn from_bytes(bytes: &[u8]) -> Result<Self, InvalidSignature> {
         if bytes.len() != SIGNATURE_LENGTH {
             return Err(InvalidSignature);
         }
-        ed25519_dalek::Signature::from_bytes(bytes)
+        ed25519_dalek::Signature::from_slice(bytes)
             .map(Self)
             .map_err(|_| InvalidSignature)
     }
@@ -76,10 +79,20 @@ impl crypto_provider::ed25519::Signature for Signature {
     }
 }
 
-pub struct PublicKey(ed25519_dalek::PublicKey);
+pub struct PublicKey(ed25519_dalek::VerifyingKey);
+
 impl crypto_provider::ed25519::PublicKey for PublicKey {
     type Signature = Signature;
 
+    fn from_bytes(bytes: [u8; KEY_LENGTH]) -> Result<Self, InvalidBytes>
+    where
+        Self: Sized,
+    {
+        ed25519_dalek::VerifyingKey::from_bytes(&bytes)
+            .map(PublicKey)
+            .map_err(|_| InvalidBytes)
+    }
+
     fn to_bytes(&self) -> [u8; KEY_LENGTH] {
         self.0.to_bytes()
     }
@@ -97,9 +110,10 @@ impl crypto_provider::ed25519::PublicKey for PublicKey {
 
 #[cfg(test)]
 mod tests {
-    use crate::ed25519::Ed25519;
     use crypto_provider::ed25519::testing::{run_rfc_test_vectors, run_wycheproof_test_vectors};
 
+    use crate::ed25519::Ed25519;
+
     #[test]
     fn wycheproof_test_ed25519_rustcrypto() {
         run_wycheproof_test_vectors::<Ed25519>()
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/hkdf_rc.rs b/nearby/crypto/crypto_provider_rustcrypto/src/hkdf_rc.rs
index d6ca687..8ff5d7b 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/hkdf_rc.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/hkdf_rc.rs
@@ -22,7 +22,6 @@ use hmac::digest::typenum::{IsLess, Le, NonZero};
 use hmac::digest::{HashMarker, OutputSizeUser};
 
 /// RustCrypto based hkdf implementation
-#[derive(Clone)]
 pub struct Hkdf<D>
 where
     D: OutputSizeUser,
@@ -72,3 +71,15 @@ where
         self.hkdf_impl.expand(info, okm).map_err(|_| InvalidLength)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::RustCrypto;
+    use core::marker::PhantomData;
+    use crypto_provider::hkdf::testing::*;
+
+    #[apply(hkdf_test_cases)]
+    fn hkdf_tests(testcase: CryptoProviderTestCase<RustCrypto>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/hmac_rc.rs b/nearby/crypto/crypto_provider_rustcrypto/src/hmac_rc.rs
index e31b815..95254a5 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/hmac_rc.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/hmac_rc.rs
@@ -112,3 +112,15 @@ impl crypto_provider::hmac::Hmac<64> for Hmac<sha2::Sha512> {
             .map_err(|_| MacError)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::RustCrypto;
+    use core::marker::PhantomData;
+    use crypto_provider::hmac::testing::*;
+
+    #[apply(hmac_test_cases)]
+    fn hmac_tests(testcase: CryptoProviderTestCase<RustCrypto>) {
+        testcase(PhantomData);
+    }
+}
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/lib.rs b/nearby/crypto/crypto_provider_rustcrypto/src/lib.rs
index 44377fb..72ca033 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/lib.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/lib.rs
@@ -1,4 +1,3 @@
-#![no_std]
 // Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+#![no_std]
 #![forbid(unsafe_code)]
 #![deny(
     missing_docs,
@@ -40,35 +40,81 @@ mod x25519;
 
 pub use hkdf;
 pub use hmac;
+
+use cfg_if::cfg_if;
+use core::{fmt::Debug, marker::PhantomData};
+use rand::{Rng, RngCore, SeedableRng};
+use rand_core::CryptoRng;
 use subtle::ConstantTimeEq;
 
+cfg_if! {
+    if #[cfg(feature = "std")] {
+        /// Providing a type alias for compatibility with existing usage of RustCrypto
+        /// by default we use StdRng for the underlying csprng
+        pub type RustCrypto = RustCryptoImpl<rand::rngs::StdRng>;
+    } else {
+        /// A no_std compatible implementation of CryptoProvider backed by RustCrypto crates
+        pub type RustCrypto = RustCryptoImpl<rand_chacha::ChaCha20Rng>;
+    }
+}
+
 /// The the RustCrypto backed struct which implements CryptoProvider
 #[derive(Default, Clone, Debug, PartialEq, Eq)]
-pub struct RustCrypto;
+pub struct RustCryptoImpl<R: CryptoRng + SeedableRng + RngCore> {
+    _marker: PhantomData<R>,
+}
+
+impl<R: CryptoRng + SeedableRng + RngCore> RustCryptoImpl<R> {
+    /// Create a new instance of RustCrypto
+    pub fn new() -> Self {
+        Self {
+            _marker: Default::default(),
+        }
+    }
+}
 
-impl crypto_provider::CryptoProvider for RustCrypto {
+impl<R: CryptoRng + SeedableRng + RngCore + Eq + PartialEq + Debug + Clone + Send>
+    crypto_provider::CryptoProvider for RustCryptoImpl<R>
+{
     type HkdfSha256 = hkdf_rc::Hkdf<sha2::Sha256>;
     type HmacSha256 = hmac_rc::Hmac<sha2::Sha256>;
     type HkdfSha512 = hkdf_rc::Hkdf<sha2::Sha512>;
     type HmacSha512 = hmac_rc::Hmac<sha2::Sha512>;
     #[cfg(feature = "alloc")]
     type AesCbcPkcs7Padded = aes::cbc::AesCbcPkcs7Padded;
-    type X25519 = x25519::X25519Ecdh;
-    type P256 = p256::P256Ecdh;
+    type X25519 = x25519::X25519Ecdh<R>;
+    type P256 = p256::P256Ecdh<R>;
     type Sha256 = sha2_rc::RustCryptoSha256;
     type Sha512 = sha2_rc::RustCryptoSha512;
     type Aes128 = aes::Aes128;
     type Aes256 = aes::Aes256;
     type AesCtr128 = aes::AesCtr128;
     type AesCtr256 = aes::AesCtr256;
-
     type Ed25519 = ed25519::Ed25519;
+    type CryptoRng = RcRng<R>;
 
     fn constant_time_eq(a: &[u8], b: &[u8]) -> bool {
         a.ct_eq(b).into()
     }
 }
 
+/// A RustCrypto wrapper for RNG
+pub struct RcRng<R>(R);
+
+impl<R: rand_core::CryptoRng + RngCore + SeedableRng> crypto_provider::CryptoRng for RcRng<R> {
+    fn new() -> Self {
+        Self(R::from_entropy())
+    }
+
+    fn next_u64(&mut self) -> u64 {
+        self.0.next_u64()
+    }
+
+    fn fill(&mut self, dest: &mut [u8]) {
+        self.0.fill(dest)
+    }
+}
+
 #[cfg(test)]
 mod testing;
 
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/p256.rs b/nearby/crypto/crypto_provider_rustcrypto/src/p256.rs
index 530449a..a50bec8 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/p256.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/p256.rs
@@ -14,18 +14,31 @@
 
 extern crate alloc;
 
-use ::p256::elliptic_curve::generic_array::GenericArray;
-use ::p256::elliptic_curve::sec1::{FromEncodedPoint, ToEncodedPoint};
+use crate::RcRng;
 use alloc::vec::Vec;
-use crypto_provider::elliptic_curve::{EcdhProvider, EphemeralSecret};
-use crypto_provider::p256::P256;
-use p256::elliptic_curve;
+use core::marker::PhantomData;
+use crypto_provider::{
+    elliptic_curve::{EcdhProvider, EphemeralSecret},
+    p256::P256,
+};
+use p256::{
+    elliptic_curve,
+    elliptic_curve::{
+        generic_array::GenericArray,
+        sec1::{FromEncodedPoint, ToEncodedPoint},
+    },
+};
+use rand::{RngCore, SeedableRng};
+use rand_core::CryptoRng;
 
 /// Implementation of NIST-P256 using RustCrypto crates.
-pub enum P256Ecdh {}
-impl EcdhProvider<P256> for P256Ecdh {
+pub struct P256Ecdh<R> {
+    _marker: PhantomData<R>,
+}
+
+impl<R: CryptoRng + SeedableRng + RngCore + Send> EcdhProvider<P256> for P256Ecdh<R> {
     type PublicKey = P256PublicKey;
-    type EphemeralSecret = P256EphemeralSecret;
+    type EphemeralSecret = P256EphemeralSecret<R>;
     type SharedSecret = [u8; 32];
 }
 
@@ -69,18 +82,25 @@ impl crypto_provider::p256::P256PublicKey for P256PublicKey {
 }
 
 /// Ephemeral secrect for use in a P256 Diffie-Hellman
-pub struct P256EphemeralSecret(::p256::ecdh::EphemeralSecret);
+pub struct P256EphemeralSecret<R: CryptoRng + SeedableRng + RngCore> {
+    secret: p256::ecdh::EphemeralSecret,
+    _marker: PhantomData<R>,
+}
 
-impl EphemeralSecret<P256> for P256EphemeralSecret {
-    type Impl = P256Ecdh;
+impl<R: CryptoRng + SeedableRng + RngCore + Send> EphemeralSecret<P256> for P256EphemeralSecret<R> {
+    type Impl = P256Ecdh<R>;
     type Error = sec1::Error;
+    type Rng = RcRng<R>;
 
-    fn generate_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self {
-        Self(::p256::ecdh::EphemeralSecret::random(rng))
+    fn generate_random(rng: &mut Self::Rng) -> Self {
+        Self {
+            secret: p256::ecdh::EphemeralSecret::random(&mut rng.0),
+            _marker: Default::default(),
+        }
     }
 
     fn public_key_bytes(&self) -> Vec<u8> {
-        self.0
+        self.secret
             .public_key()
             .to_encoded_point(false)
             .as_bytes()
@@ -91,7 +111,7 @@ impl EphemeralSecret<P256> for P256EphemeralSecret {
         self,
         other_pub: &P256PublicKey,
     ) -> Result<<Self::Impl as EcdhProvider<P256>>::SharedSecret, Self::Error> {
-        let shared_secret = p256::ecdh::EphemeralSecret::diffie_hellman(&self.0, &other_pub.0);
+        let shared_secret = p256::ecdh::EphemeralSecret::diffie_hellman(&self.secret, &other_pub.0);
         let bytes: <Self::Impl as EcdhProvider<P256>>::SharedSecret =
             (*shared_secret.raw_secret_bytes()).into();
         Ok(bytes)
@@ -99,14 +119,19 @@ impl EphemeralSecret<P256> for P256EphemeralSecret {
 }
 
 #[cfg(test)]
-impl crypto_provider::elliptic_curve::EphemeralSecretForTesting<P256> for P256EphemeralSecret {
+impl<R: CryptoRng + SeedableRng + RngCore + Send>
+    crypto_provider::elliptic_curve::EphemeralSecretForTesting<P256> for P256EphemeralSecret<R>
+{
     fn from_private_components(
         private_bytes: &[u8; 32],
         _public_key: &P256PublicKey,
     ) -> Result<Self, Self::Error> {
-        Ok(Self::generate_random(&mut crate::testing::MockCryptoRng {
-            values: private_bytes.iter(),
-        }))
+        Ok(Self {
+            secret: p256::ecdh::EphemeralSecret::random(&mut crate::testing::MockCryptoRng {
+                values: private_bytes.iter(),
+            }),
+            _marker: Default::default(),
+        })
     }
 }
 
@@ -115,9 +140,10 @@ mod tests {
     use super::P256Ecdh;
     use core::marker::PhantomData;
     use crypto_provider::p256::testing::*;
+    use rand::rngs::StdRng;
 
     #[apply(p256_test_cases)]
-    fn p256_tests(testcase: CryptoProviderTestCase<P256Ecdh>) {
-        testcase(PhantomData::<P256Ecdh>)
+    fn p256_tests(testcase: CryptoProviderTestCase<P256Ecdh<StdRng>>) {
+        testcase(PhantomData::<P256Ecdh<StdRng>>)
     }
 }
diff --git a/nearby/crypto/crypto_provider_rustcrypto/src/x25519.rs b/nearby/crypto/crypto_provider_rustcrypto/src/x25519.rs
index 636c252..794d780 100644
--- a/nearby/crypto/crypto_provider_rustcrypto/src/x25519.rs
+++ b/nearby/crypto/crypto_provider_rustcrypto/src/x25519.rs
@@ -14,51 +14,75 @@
 
 extern crate alloc;
 
+use crate::RcRng;
 use alloc::vec::Vec;
+use core::marker::PhantomData;
 use crypto_provider::elliptic_curve::{EcdhProvider, EphemeralSecret, PublicKey};
 use crypto_provider::x25519::X25519;
+use rand::RngCore;
+use rand_core::{CryptoRng, SeedableRng};
 
 /// The RustCrypto implementation of X25519 ECDH.
-pub enum X25519Ecdh {}
-impl EcdhProvider<X25519> for X25519Ecdh {
+pub struct X25519Ecdh<R> {
+    _marker: PhantomData<R>,
+}
+
+impl<R: CryptoRng + RngCore + SeedableRng + Send> EcdhProvider<X25519> for X25519Ecdh<R> {
     type PublicKey = X25519PublicKey;
-    type EphemeralSecret = X25519EphemeralSecret;
+    type EphemeralSecret = X25519EphemeralSecret<R>;
     type SharedSecret = [u8; 32];
 }
 
 /// A X25519 ephemeral secret used for Diffie-Hellman.
-pub struct X25519EphemeralSecret(x25519_dalek::EphemeralSecret);
+pub struct X25519EphemeralSecret<R: CryptoRng + RngCore + SeedableRng> {
+    secret: x25519_dalek::EphemeralSecret,
+    marker: PhantomData<R>,
+}
 
-impl EphemeralSecret<X25519> for X25519EphemeralSecret {
-    type Impl = X25519Ecdh;
+impl<R: CryptoRng + RngCore + SeedableRng + Send> EphemeralSecret<X25519>
+    for X25519EphemeralSecret<R>
+{
+    type Impl = X25519Ecdh<R>;
     type Error = Error;
+    type Rng = RcRng<R>;
 
-    fn generate_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self {
-        Self(x25519_dalek::EphemeralSecret::new(rng))
+    fn generate_random(rng: &mut Self::Rng) -> Self {
+        Self {
+            secret: x25519_dalek::EphemeralSecret::random_from_rng(&mut rng.0),
+            marker: Default::default(),
+        }
     }
 
     fn public_key_bytes(&self) -> Vec<u8> {
-        let pubkey: x25519_dalek::PublicKey = (&self.0).into();
+        let pubkey: x25519_dalek::PublicKey = (&self.secret).into();
         pubkey.to_bytes().into()
     }
 
     fn diffie_hellman(
         self,
-        other_pub: &<X25519Ecdh as EcdhProvider<X25519>>::PublicKey,
-    ) -> Result<<X25519Ecdh as EcdhProvider<X25519>>::SharedSecret, Self::Error> {
-        Ok(x25519_dalek::EphemeralSecret::diffie_hellman(self.0, &other_pub.0).to_bytes())
+        other_pub: &<X25519Ecdh<R> as EcdhProvider<X25519>>::PublicKey,
+    ) -> Result<<X25519Ecdh<R> as EcdhProvider<X25519>>::SharedSecret, Self::Error> {
+        Ok(x25519_dalek::EphemeralSecret::diffie_hellman(self.secret, &other_pub.0).to_bytes())
     }
 }
 
 #[cfg(test)]
-impl crypto_provider::elliptic_curve::EphemeralSecretForTesting<X25519> for X25519EphemeralSecret {
+impl<R: CryptoRng + RngCore + SeedableRng + Send>
+    crypto_provider::elliptic_curve::EphemeralSecretForTesting<X25519>
+    for X25519EphemeralSecret<R>
+{
     fn from_private_components(
         private_bytes: &[u8; 32],
         _public_key: &X25519PublicKey,
     ) -> Result<Self, Self::Error> {
-        Ok(Self::generate_random(&mut crate::testing::MockCryptoRng {
-            values: private_bytes.iter(),
-        }))
+        Ok(Self {
+            secret: x25519_dalek::EphemeralSecret::random_from_rng(
+                &mut crate::testing::MockCryptoRng {
+                    values: private_bytes.iter(),
+                },
+            ),
+            marker: Default::default(),
+        })
     }
 }
 
@@ -91,9 +115,10 @@ mod tests {
     use super::X25519Ecdh;
     use core::marker::PhantomData;
     use crypto_provider::x25519::testing::*;
+    use rand::rngs::StdRng;
 
     #[apply(x25519_test_cases)]
-    fn x25519_tests(testcase: CryptoProviderTestCase<X25519Ecdh>) {
-        testcase(PhantomData::<X25519Ecdh>)
+    fn x25519_tests(testcase: CryptoProviderTestCase<X25519Ecdh<StdRng>>) {
+        testcase(PhantomData::<X25519Ecdh<StdRng>>)
     }
 }
diff --git a/nearby/crypto/crypto_provider_stubs/Cargo.toml b/nearby/crypto/crypto_provider_stubs/Cargo.toml
new file mode 100644
index 0000000..d7c4d45
--- /dev/null
+++ b/nearby/crypto/crypto_provider_stubs/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "crypto_provider_stubs"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+crypto_provider = {workspace = true, features = ["std", "alloc"] }
+\ No newline at end of file
diff --git a/nearby/crypto/crypto_provider_stubs/src/lib.rs b/nearby/crypto/crypto_provider_stubs/src/lib.rs
new file mode 100644
index 0000000..c7c4876
--- /dev/null
+++ b/nearby/crypto/crypto_provider_stubs/src/lib.rs
@@ -0,0 +1,422 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Placeholder crate for an unimplemented CP. Can be used to satisfy the trait bounds of
+//! the uber CryptoProvider trait, when only a subset of the associated types have real implementations
+//! Can be removed once no one else is depending on it.
+
+#![allow(unused_variables)]
+use crypto_provider::aes::cbc::{AesCbcIv, AesCbcPkcs7Padded, DecryptionError};
+use crypto_provider::aes::ctr::AesCtr;
+use crypto_provider::aes::{
+    Aes, Aes128Key, Aes256Key, AesBlock, AesCipher, AesDecryptCipher, AesEncryptCipher,
+};
+use crypto_provider::ed25519;
+use crypto_provider::ed25519::{
+    Ed25519Provider, InvalidBytes, InvalidSignature, KeyPair, Signature, SignatureError,
+    KEY_LENGTH, KEY_PAIR_LENGTH, SIGNATURE_LENGTH,
+};
+use crypto_provider::elliptic_curve::{EcdhProvider, EphemeralSecret, PublicKey};
+use crypto_provider::hkdf::{Hkdf, InvalidLength};
+use crypto_provider::hmac::{Hmac, MacError};
+use crypto_provider::p256::{P256PublicKey, P256};
+
+use crypto_provider::x25519::X25519;
+use std::fmt::Debug;
+
+#[derive(Default, Clone, Debug, PartialEq, Eq)]
+pub struct CryptoProviderStubs;
+
+impl crypto_provider::CryptoProvider for CryptoProviderStubs {
+    type HkdfSha256 = HkdfStubs;
+    type HmacSha256 = HmacStubs;
+    type HkdfSha512 = HkdfStubs;
+    type HmacSha512 = HmacStubs;
+    type AesCbcPkcs7Padded = AesCbcPkcs7PaddedStubs;
+    type X25519 = X25519Stubs;
+    type P256 = P256Stubs;
+    type Sha256 = Sha2Stubs;
+    type Sha512 = Sha2Stubs;
+    type Aes128 = Aes128Impl;
+    type Aes256 = Aes256Impl;
+    type AesCtr128 = Aes128Stubs;
+    type AesCtr256 = Aes256Stubs;
+    type Ed25519 = Ed25519Stubs;
+    type CryptoRng = ();
+
+    fn constant_time_eq(_a: &[u8], _b: &[u8]) -> bool {
+        unimplemented!()
+    }
+}
+
+pub struct Aes128Impl;
+impl Aes for Aes128Impl {
+    type Key = Aes128Key;
+    type EncryptCipher = Aes128Stubs;
+    type DecryptCipher = Aes128Stubs;
+}
+
+pub struct Aes256Impl;
+impl Aes for Aes256Impl {
+    type Key = Aes256Key;
+    type EncryptCipher = Aes256Stubs;
+    type DecryptCipher = Aes256Stubs;
+}
+
+#[derive(Clone)]
+pub struct HkdfStubs;
+impl Hkdf for HkdfStubs {
+    fn new(_salt: Option<&[u8]>, _ikm: &[u8]) -> Self {
+        unimplemented!()
+    }
+
+    fn expand_multi_info(
+        &self,
+        _info_components: &[&[u8]],
+        _okm: &mut [u8],
+    ) -> Result<(), InvalidLength> {
+        unimplemented!()
+    }
+
+    fn expand(&self, _info: &[u8], _okm: &mut [u8]) -> Result<(), InvalidLength> {
+        unimplemented!()
+    }
+}
+
+pub struct HmacStubs;
+impl Hmac<32> for HmacStubs {
+    fn new_from_key(_key: [u8; 32]) -> Self {
+        unimplemented!()
+    }
+
+    fn new_from_slice(_key: &[u8]) -> Result<Self, crypto_provider::hmac::InvalidLength> {
+        unimplemented!()
+    }
+
+    fn update(&mut self, _data: &[u8]) {
+        unimplemented!()
+    }
+
+    fn finalize(self) -> [u8; 32] {
+        unimplemented!()
+    }
+
+    fn verify_slice(self, _tag: &[u8]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+
+    fn verify(self, _tag: [u8; 32]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+
+    fn verify_truncated_left(self, _tag: &[u8]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+}
+
+impl Hmac<64> for HmacStubs {
+    fn new_from_key(_key: [u8; 64]) -> Self {
+        unimplemented!()
+    }
+
+    fn new_from_slice(_key: &[u8]) -> Result<Self, crypto_provider::hmac::InvalidLength> {
+        unimplemented!()
+    }
+
+    fn update(&mut self, _data: &[u8]) {
+        unimplemented!()
+    }
+
+    fn finalize(self) -> [u8; 64] {
+        unimplemented!()
+    }
+
+    fn verify_slice(self, _tag: &[u8]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+
+    fn verify(self, _tag: [u8; 64]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+
+    fn verify_truncated_left(self, _tag: &[u8]) -> Result<(), MacError> {
+        unimplemented!()
+    }
+}
+
+pub struct AesCbcPkcs7PaddedStubs;
+impl AesCbcPkcs7Padded for AesCbcPkcs7PaddedStubs {
+    fn encrypt(_key: &Aes256Key, _iv: &AesCbcIv, _message: &[u8]) -> Vec<u8> {
+        unimplemented!()
+    }
+
+    fn decrypt(
+        _key: &Aes256Key,
+        _iv: &AesCbcIv,
+        _ciphertext: &[u8],
+    ) -> Result<Vec<u8>, DecryptionError> {
+        unimplemented!()
+    }
+}
+
+pub struct X25519Stubs;
+impl EcdhProvider<X25519> for X25519Stubs {
+    type PublicKey = EcdhPubKey;
+    type EphemeralSecret = EphSecretStubs;
+    type SharedSecret = [u8; 32];
+}
+
+pub struct EphSecretStubs;
+impl EphemeralSecret<X25519> for EphSecretStubs {
+    type Impl = X25519Stubs;
+    type Error = ();
+    type Rng = ();
+
+    fn generate_random(_rng: &mut Self::Rng) -> Self {
+        unimplemented!()
+    }
+
+    fn public_key_bytes(&self) -> Vec<u8> {
+        unimplemented!()
+    }
+
+    fn diffie_hellman(
+        self,
+        _other_pub: &<Self::Impl as EcdhProvider<X25519>>::PublicKey,
+    ) -> Result<<Self::Impl as EcdhProvider<X25519>>::SharedSecret, Self::Error> {
+        unimplemented!()
+    }
+}
+
+impl EphemeralSecret<P256> for EphSecretStubs {
+    type Impl = P256Stubs;
+    type Error = ();
+    type Rng = ();
+
+    fn generate_random(_rng: &mut Self::Rng) -> Self {
+        unimplemented!()
+    }
+
+    fn public_key_bytes(&self) -> Vec<u8> {
+        unimplemented!()
+    }
+
+    fn diffie_hellman(
+        self,
+        _other_pub: &<Self::Impl as EcdhProvider<P256>>::PublicKey,
+    ) -> Result<<Self::Impl as EcdhProvider<P256>>::SharedSecret, Self::Error> {
+        unimplemented!()
+    }
+}
+
+#[derive(Debug, PartialEq)]
+pub struct EcdhPubKey;
+impl PublicKey<X25519> for EcdhPubKey {
+    type Error = ();
+
+    fn from_bytes(_bytes: &[u8]) -> Result<Self, Self::Error> {
+        unimplemented!()
+    }
+
+    fn to_bytes(&self) -> Vec<u8> {
+        unimplemented!()
+    }
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub struct PublicKeyStubs;
+impl P256PublicKey for PublicKeyStubs {
+    type Error = ();
+
+    fn from_sec1_bytes(_bytes: &[u8]) -> Result<Self, Self::Error> {
+        unimplemented!()
+    }
+
+    fn to_sec1_bytes(&self) -> Vec<u8> {
+        unimplemented!()
+    }
+
+    fn to_affine_coordinates(&self) -> Result<([u8; 32], [u8; 32]), Self::Error> {
+        unimplemented!()
+    }
+
+    fn from_affine_coordinates(_x: &[u8; 32], _y: &[u8; 32]) -> Result<Self, Self::Error> {
+        unimplemented!()
+    }
+}
+
+pub struct P256Stubs;
+impl EcdhProvider<P256> for P256Stubs {
+    type PublicKey = PublicKeyStubs;
+    type EphemeralSecret = EphSecretStubs;
+    type SharedSecret = [u8; 32];
+}
+
+pub struct Sha2Stubs;
+impl crypto_provider::sha2::Sha256 for Sha2Stubs {
+    fn sha256(_input: &[u8]) -> [u8; 32] {
+        unimplemented!()
+    }
+}
+
+impl crypto_provider::sha2::Sha512 for Sha2Stubs {
+    fn sha512(_input: &[u8]) -> [u8; 64] {
+        unimplemented!()
+    }
+}
+
+pub struct Aes128Stubs;
+
+impl AesCipher for Aes128Stubs {
+    type Key = Aes128Key;
+
+    fn new(key: &Self::Key) -> Self {
+        unimplemented!()
+    }
+}
+
+impl AesDecryptCipher for Aes128Stubs {
+    fn decrypt(&self, block: &mut AesBlock) {
+        unimplemented!()
+    }
+}
+
+impl AesEncryptCipher for Aes128Stubs {
+    fn encrypt(&self, block: &mut AesBlock) {
+        unimplemented!()
+    }
+}
+
+impl AesCtr for Aes128Stubs {
+    type Key = Aes128Key;
+
+    fn new(_key: &Self::Key, _iv: [u8; 16]) -> Self {
+        unimplemented!()
+    }
+
+    fn encrypt(&mut self, _data: &mut [u8]) {
+        unimplemented!()
+    }
+
+    fn decrypt(&mut self, _data: &mut [u8]) {
+        unimplemented!()
+    }
+}
+
+pub struct Aes256Stubs;
+
+impl AesCipher for Aes256Stubs {
+    type Key = Aes256Key;
+
+    fn new(key: &Self::Key) -> Self {
+        unimplemented!()
+    }
+}
+
+impl AesEncryptCipher for Aes256Stubs {
+    fn encrypt(&self, block: &mut AesBlock) {
+        unimplemented!()
+    }
+}
+
+impl AesDecryptCipher for Aes256Stubs {
+    fn decrypt(&self, block: &mut AesBlock) {
+        unimplemented!()
+    }
+}
+
+impl AesCtr for Aes256Stubs {
+    type Key = Aes256Key;
+
+    fn new(_key: &Self::Key, _iv: [u8; 16]) -> Self {
+        unimplemented!()
+    }
+
+    fn encrypt(&mut self, _data: &mut [u8]) {
+        unimplemented!()
+    }
+
+    fn decrypt(&mut self, _data: &mut [u8]) {
+        unimplemented!()
+    }
+}
+pub struct Ed25519Stubs;
+impl Ed25519Provider for Ed25519Stubs {
+    type KeyPair = KeyPairStubs;
+    type PublicKey = PublicKeyStubs;
+    type Signature = SignatureStubs;
+}
+
+impl ed25519::PublicKey for PublicKeyStubs {
+    type Signature = SignatureStubs;
+
+    fn from_bytes(bytes: [u8; KEY_LENGTH]) -> Result<Self, InvalidBytes>
+    where
+        Self: Sized,
+    {
+        unimplemented!()
+    }
+
+    fn to_bytes(&self) -> [u8; KEY_LENGTH] {
+        unimplemented!()
+    }
+
+    fn verify_strict(
+        &self,
+        _message: &[u8],
+        _signature: &Self::Signature,
+    ) -> Result<(), SignatureError> {
+        unimplemented!()
+    }
+}
+
+pub struct SignatureStubs;
+impl Signature for SignatureStubs {
+    fn from_bytes(_bytes: &[u8]) -> Result<Self, InvalidSignature> {
+        unimplemented!()
+    }
+
+    fn to_bytes(&self) -> [u8; SIGNATURE_LENGTH] {
+        unimplemented!()
+    }
+}
+
+pub struct KeyPairStubs;
+impl KeyPair for KeyPairStubs {
+    type PublicKey = PublicKeyStubs;
+    type Signature = SignatureStubs;
+
+    fn generate() -> Self {
+        unimplemented!()
+    }
+
+    fn to_bytes(&self) -> [u8; KEY_PAIR_LENGTH] {
+        unimplemented!()
+    }
+
+    fn from_bytes(_bytes: [u8; KEY_PAIR_LENGTH]) -> Result<Self, InvalidBytes>
+    where
+        Self: Sized,
+    {
+        unimplemented!()
+    }
+
+    fn sign(&self, _msg: &[u8]) -> Self::Signature {
+        unimplemented!()
+    }
+
+    fn public(&self) -> Self::PublicKey {
+        unimplemented!()
+    }
+}
diff --git a/nearby/crypto/rand_core_05_adapter/src/lib.rs b/nearby/crypto/rand_core_05_adapter/src/lib.rs
index c47e694..18c2ca7 100644
--- a/nearby/crypto/rand_core_05_adapter/src/lib.rs
+++ b/nearby/crypto/rand_core_05_adapter/src/lib.rs
@@ -49,11 +49,20 @@ impl<'r, R: rand::RngCore + rand::CryptoRng> rand_core05::RngCore for RandWrappe
         self.rng.fill_bytes(dest)
     }
 
+    #[cfg(feature = "std")]
     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand_core05::Error> {
         self.rng
             .try_fill_bytes(dest)
             .map_err(|e| rand_core05::Error::new(e.take_inner()))
     }
+
+    #[cfg(not(feature = "std"))]
+    #[allow(clippy::expect_used)]
+    fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), rand_core05::Error> {
+        self.rng
+            .try_fill_bytes(dest)
+            .map_err(|e| rand_core05::Error::from(e.code().expect("for no_std this is never none")))
+    }
 }
 
 impl<'r, R: rand::RngCore + rand::CryptoRng> rand_core05::CryptoRng for RandWrapper<'r, R> {
diff --git a/nearby/presence/CMakeLists.txt b/nearby/presence/CMakeLists.txt
index e9363b8..bf582f5 100644
--- a/nearby/presence/CMakeLists.txt
+++ b/nearby/presence/CMakeLists.txt
@@ -30,5 +30,10 @@ if ( OPENSSL_FOUND )
 endif()
 
 add_subdirectory(ldt_np_c_sample)
-add_subdirectory(ldt_np_adv_ffi_fuzz)
+
+if (ENABLE_FUZZ)
+    message(STATUS "Building fuzzers")
+    add_subdirectory(ldt_np_adv_ffi_fuzz)
+endif()
+
 
diff --git a/nearby/presence/README.md b/nearby/presence/README.md
index 07fb50f..8f38f7d 100644
--- a/nearby/presence/README.md
+++ b/nearby/presence/README.md
@@ -80,6 +80,11 @@ clang --version
 ```
 it should display the path to the homebrew version and not the xcode version.
 
+Some other dependencies you may need include:
+```
+brew install ninja bindgen
+```
+
 ## Examples
 
 Examples use [clap](https://docs.rs/clap/latest/clap/) for nice CLIs, so try
diff --git a/nearby/presence/ldt/Cargo.toml b/nearby/presence/ldt/Cargo.toml
index 56a6dac..8f2461e 100644
--- a/nearby/presence/ldt/Cargo.toml
+++ b/nearby/presence/ldt/Cargo.toml
@@ -5,7 +5,7 @@ edition.workspace = true
 publish.workspace = true
 
 [dependencies]
-rand.workspace = true
+crypto_provider.workspace = true
 ldt_tbc.workspace = true
 
 [dev-dependencies]
@@ -15,6 +15,7 @@ rand_ext.workspace = true
 test_helper.workspace = true
 xts_aes.workspace = true
 
+rand.workspace = true
 rand_pcg.workspace = true
 base64.workspace = true
 clap.workspace = true
diff --git a/nearby/presence/ldt/benches/ldt_scan.rs b/nearby/presence/ldt/benches/ldt_scan.rs
index da846f2..f6c5a50 100644
--- a/nearby/presence/ldt/benches/ldt_scan.rs
+++ b/nearby/presence/ldt/benches/ldt_scan.rs
@@ -13,11 +13,13 @@
 // limitations under the License.
 
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
 use ctr::cipher::{KeyIvInit as _, StreamCipher as _, StreamCipherSeek as _};
-use ldt::{DefaultPadder, Ldt, LdtKey, Mix, Padder, Swap, XorPadder};
+use ldt::{
+    DefaultPadder, LdtDecryptCipher, LdtEncryptCipher, LdtKey, Mix, Padder, Swap, XorPadder,
+};
 use ldt_tbc::TweakableBlockCipher;
-use rand::SeedableRng as _;
 use sha2::Digest as _;
 use std::marker;
 use subtle::ConstantTimeEq as _;
@@ -124,15 +126,15 @@ fn build_bench_state<F: ScanCipherFactory, D: ScanDigest>(
     keys: usize,
     plaintext_len: usize,
 ) -> LdtBenchState<F::Cipher, D> {
-    let mut rng = rand::rngs::StdRng::from_entropy();
+    let mut rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
 
     let scenarios = (0..keys)
-        .map(|_| random_ldt_scenario::<_, _, D>(&factory, &mut rng, plaintext_len))
+        .map(|_| random_ldt_scenario::<RustCrypto, _, D>(&factory, &mut rng, plaintext_len))
         .collect::<Vec<_>>();
 
     LdtBenchState {
         scenarios,
-        unfindable_ciphertext: random_vec(&mut rng, plaintext_len),
+        unfindable_ciphertext: random_vec::<RustCrypto>(&mut rng, plaintext_len),
         decrypt_buf: Vec::with_capacity(plaintext_len),
     }
 }
@@ -142,13 +144,13 @@ struct ScanScenario<C: ScanCipher, D: ScanDigest> {
     plaintext_prefix_hash: D::Output,
 }
 
-fn random_ldt_scenario<R: rand::Rng + rand::CryptoRng, F: ScanCipherFactory, D: ScanDigest>(
+fn random_ldt_scenario<C: CryptoProvider, F: ScanCipherFactory, D: ScanDigest>(
     factory: &F,
-    rng: &mut R,
+    rng: &mut C::CryptoRng,
     plaintext_len: usize,
 ) -> ScanScenario<F::Cipher, D> {
-    let cipher = factory.build_cipher(rng);
-    let plaintext = random_vec(rng, plaintext_len);
+    let cipher = factory.build_cipher::<C>(rng);
+    let plaintext = random_vec::<C>(rng, plaintext_len);
     let mut hasher = D::new();
     let mut plaintext_prefix_hash = D::new_output();
     hasher.update(&plaintext[..MATCH_LEN]);
@@ -160,9 +162,9 @@ fn random_ldt_scenario<R: rand::Rng + rand::CryptoRng, F: ScanCipherFactory, D:
     }
 }
 
-fn random_vec<R: rand::Rng>(rng: &mut R, len: usize) -> Vec<u8> {
+fn random_vec<C: CryptoProvider>(rng: &mut C::CryptoRng, len: usize) -> Vec<u8> {
     let mut bytes = Vec::<u8>::new();
-    bytes.extend((0..len).into_iter().map(|_| rng.gen::<u8>()));
+    bytes.extend((0..len).map(|_| rng.gen::<u8>()));
     bytes
 }
 
@@ -174,13 +176,14 @@ trait ScanCipher {
 trait ScanCipherFactory {
     type Cipher: ScanCipher;
 
-    fn build_cipher<R: rand::Rng + rand::CryptoRng>(&self, key_rng: &mut R) -> Self::Cipher;
+    fn build_cipher<C: CryptoProvider>(&self, key_rng: &mut C::CryptoRng) -> Self::Cipher;
 }
 
 /// A wrapper that lets us avoid percolating the need to specify a bogus and type-confused padder
 /// for ciphers that don't use one.
 struct LdtScanCipher<const B: usize, T: TweakableBlockCipher<B>, M: Mix, P: Padder<B, T>> {
-    ldt: Ldt<B, T, M>,
+    ldt_enc: LdtEncryptCipher<B, T, M>,
+    ldt_dec: LdtDecryptCipher<B, T, M>,
     padder: P,
 }
 
@@ -188,11 +191,11 @@ impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix, P: Padder<B, T>> ScanCi
     for LdtScanCipher<B, T, M, P>
 {
     fn encrypt(&mut self, buf: &mut [u8]) {
-        self.ldt.encrypt(buf, &self.padder).unwrap();
+        self.ldt_enc.encrypt(buf, &self.padder).unwrap();
     }
 
     fn decrypt(&mut self, buf: &mut [u8]) {
-        self.ldt.decrypt(buf, &self.padder).unwrap();
+        self.ldt_dec.decrypt(buf, &self.padder).unwrap();
     }
 }
 
@@ -228,28 +231,29 @@ where
 {
     type Cipher = LdtScanCipher<B, T, M, P>;
 
-    fn build_cipher<R: rand::Rng + rand::CryptoRng>(&self, key_rng: &mut R) -> Self::Cipher {
-        let key: LdtKey<T::Key> = LdtKey::from_random(key_rng);
+    fn build_cipher<C: CryptoProvider>(&self, key_rng: &mut C::CryptoRng) -> Self::Cipher {
+        let key: LdtKey<T::Key> = LdtKey::from_random::<C>(key_rng);
         LdtScanCipher {
-            ldt: Ldt::new(&key),
-            padder: P::generate(key_rng),
+            ldt_enc: LdtEncryptCipher::new(&key),
+            ldt_dec: LdtDecryptCipher::new(&key),
+            padder: P::generate::<C>(key_rng),
         }
     }
 }
 
 /// A helper trait for making padders from an RNG
 trait RandomPadder {
-    fn generate<R: rand::Rng>(rng: &mut R) -> Self;
+    fn generate<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self;
 }
 
 impl RandomPadder for DefaultPadder {
-    fn generate<R: rand::Rng>(_rng: &mut R) -> Self {
+    fn generate<C: CryptoProvider>(_rng: &mut C::CryptoRng) -> Self {
         Self::default()
     }
 }
 
 impl<const T: usize> RandomPadder for XorPadder<T> {
-    fn generate<R: rand::Rng>(rng: &mut R) -> Self {
+    fn generate<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self {
         let mut salt = [0_u8; T];
         rng.fill(&mut salt[..]);
         salt.into()
@@ -275,7 +279,7 @@ struct AesCtrFactory {}
 impl ScanCipherFactory for AesCtrFactory {
     type Cipher = Aes128Ctr64LE;
 
-    fn build_cipher<R: rand::Rng>(&self, key_rng: &mut R) -> Self::Cipher {
+    fn build_cipher<C: CryptoProvider>(&self, key_rng: &mut C::CryptoRng) -> Self::Cipher {
         let mut key = [0_u8; 16];
         key_rng.fill(&mut key);
 
diff --git a/nearby/presence/ldt/examples/gen_ldt_xor_pad_test_vectors.rs b/nearby/presence/ldt/examples/gen_ldt_xor_pad_test_vectors.rs
index f579fe0..a36d8d8 100644
--- a/nearby/presence/ldt/examples/gen_ldt_xor_pad_test_vectors.rs
+++ b/nearby/presence/ldt/examples/gen_ldt_xor_pad_test_vectors.rs
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crypto_provider::aes;
 use crypto_provider::aes::BLOCK_SIZE;
+use crypto_provider::{aes, CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
-use ldt::{Ldt, LdtKey, Swap, XorPadder};
+use ldt::{LdtEncryptCipher, LdtKey, Swap, XorPadder};
 use rand::{Rng as _, SeedableRng as _};
 use rand_ext::*;
 use serde_json::json;
@@ -23,18 +23,20 @@ use xts_aes::XtsAes128;
 
 fn main() {
     let mut rng = rand::rngs::StdRng::from_entropy();
+    let mut cp_rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
 
     let mut array = Vec::<serde_json::Value>::new();
     for _ in 0..1_000 {
         let len = rng.gen_range(BLOCK_SIZE..BLOCK_SIZE * 2);
-        let plaintext = random_vec(&mut rng, len);
-        let key = LdtKey::from_random(&mut rng);
-        let pad_xor: [u8; aes::BLOCK_SIZE] = random_bytes(&mut rng);
+        let plaintext = random_vec_rc(&mut rng, len);
+        let key = LdtKey::from_random::<RustCrypto>(&mut cp_rng);
+        let pad_xor: [u8; aes::BLOCK_SIZE] = random_bytes_rc(&mut rng);
 
-        let ldt = Ldt::<BLOCK_SIZE, XtsAes128<RustCrypto>, Swap>::new(&key);
+        let ldt_enc = LdtEncryptCipher::<BLOCK_SIZE, XtsAes128<RustCrypto>, Swap>::new(&key);
 
         let mut ciphertext = plaintext.clone();
-        ldt.encrypt(&mut ciphertext, &XorPadder::from(pad_xor))
+        ldt_enc
+            .encrypt(&mut ciphertext, &XorPadder::from(pad_xor))
             .unwrap();
 
         array.push(json!({
diff --git a/nearby/presence/ldt/examples/ldt_benchmark.rs b/nearby/presence/ldt/examples/ldt_benchmark.rs
index 7ab41ad..ba04ed7 100644
--- a/nearby/presence/ldt/examples/ldt_benchmark.rs
+++ b/nearby/presence/ldt/examples/ldt_benchmark.rs
@@ -16,8 +16,9 @@
 
 use clap::Parser as _;
 use crypto_provider_rustcrypto::RustCrypto;
-use ldt::{Ldt, LdtKey, Mix, Swap, XorPadder};
+use ldt::{LdtDecryptCipher, LdtEncryptCipher, LdtKey, Mix, Swap, XorPadder};
 
+use crypto_provider::{CryptoProvider, CryptoRng};
 use ldt_tbc::TweakableBlockCipher;
 use rand::{distributions, seq::SliceRandom, Rng as _, SeedableRng as _};
 use sha2::digest::{generic_array, Digest as _};
@@ -29,11 +30,13 @@ use xts_aes::XtsAes128;
 
 fn main() {
     let args = Args::parse();
-    let mut rng = rand::rngs::StdRng::from_entropy();
+    let mut rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
 
     // generate a suitable number of random keys
     let scenarios = (0..args.keys)
-        .map(|_| random_ldt_scenario::<16, XtsAes128<RustCrypto>, Swap, _>(&mut rng, args.len))
+        .map(|_| {
+            random_ldt_scenario::<16, XtsAes128<RustCrypto>, Swap, RustCrypto>(&mut rng, args.len)
+        })
         .collect::<Vec<_>>();
 
     let padder = XorPadder::from([0x42; crypto_provider::aes::BLOCK_SIZE]);
@@ -42,13 +45,13 @@ fn main() {
         .iter()
         .map(|s| {
             let mut ciphertext = s.plaintext.clone();
-            s.ldt.encrypt(&mut ciphertext[..], &padder).unwrap();
+            s.ldt_enc.encrypt(&mut ciphertext[..], &padder).unwrap();
             ciphertext
         })
         .collect::<Vec<_>>();
 
     let not_found_distrib = distributions::Uniform::from(0_f64..=100_f64);
-    let unfindable_ciphertext = random_vec(&mut rng, args.len);
+    let unfindable_ciphertext = random_vec::<RustCrypto>(&mut rng, args.len);
 
     let mut histogram = hdrhistogram::Histogram::<u64>::new(3).unwrap();
     let mut buf = Vec::new();
@@ -56,12 +59,13 @@ fn main() {
     let mut hasher = sha2::Sha256::new();
     let mut hash_output = generic_array::GenericArray::default();
 
+    let mut rc_rng = rand::rngs::StdRng::from_entropy();
     let found = (0..args.trials)
         .map(|_| {
-            let ciphertext = if rng.sample(not_found_distrib) <= args.not_found_pct as f64 {
+            let ciphertext = if rc_rng.sample(not_found_distrib) <= args.not_found_pct as f64 {
                 &unfindable_ciphertext
             } else {
-                ciphertexts.choose(&mut rng).unwrap()
+                ciphertexts.choose(&mut rc_rng).unwrap()
             };
 
             let start = time::Instant::now();
@@ -71,7 +75,7 @@ fn main() {
 
                 buf.clear();
                 buf.extend_from_slice(ciphertext.as_slice());
-                scenario.ldt.decrypt(&mut buf, &padder).unwrap();
+                scenario.ldt_dec.decrypt(&mut buf, &padder).unwrap();
 
                 hasher.update(&buf[..MATCH_LEN]);
                 hasher.finalize_into_reset(&mut hash_output);
@@ -127,23 +131,20 @@ struct Args {
 const MATCH_LEN: usize = 16;
 
 struct LdtScenario<const B: usize, T: TweakableBlockCipher<B>, M: Mix> {
-    ldt: Ldt<B, T, M>,
+    ldt_enc: LdtEncryptCipher<B, T, M>,
+    ldt_dec: LdtDecryptCipher<B, T, M>,
     plaintext: Vec<u8>,
     plaintext_prefix_hash: [u8; 32],
 }
 
-fn random_ldt_scenario<
-    const B: usize,
-    T: TweakableBlockCipher<B>,
-    M: Mix,
-    R: rand::Rng + rand::CryptoRng,
->(
-    rng: &mut R,
+fn random_ldt_scenario<const B: usize, T: TweakableBlockCipher<B>, M: Mix, C: CryptoProvider>(
+    rng: &mut C::CryptoRng,
     plaintext_len: usize,
 ) -> LdtScenario<B, T, M> {
-    let ldt_key: LdtKey<T::Key> = LdtKey::from_random(rng);
-    let ldt: Ldt<B, T, M> = Ldt::new(&ldt_key);
-    let plaintext = random_vec(rng, plaintext_len);
+    let ldt_key: LdtKey<T::Key> = LdtKey::from_random::<C>(rng);
+    let ldt_enc = LdtEncryptCipher::new(&ldt_key);
+    let ldt_dec = LdtDecryptCipher::new(&ldt_key);
+    let plaintext = random_vec::<C>(rng, plaintext_len);
 
     let mut hasher = sha2::Sha256::new();
     let mut plaintext_prefix_hash = generic_array::GenericArray::default();
@@ -151,7 +152,8 @@ fn random_ldt_scenario<
     hasher.finalize_into_reset(&mut plaintext_prefix_hash);
 
     LdtScenario {
-        ldt,
+        ldt_enc,
+        ldt_dec,
         plaintext,
         plaintext_prefix_hash: plaintext_prefix_hash.into(),
     }
diff --git a/nearby/presence/ldt/examples/ldt_prp.rs b/nearby/presence/ldt/examples/ldt_prp.rs
index c744b81..31276b7 100644
--- a/nearby/presence/ldt/examples/ldt_prp.rs
+++ b/nearby/presence/ldt/examples/ldt_prp.rs
@@ -22,10 +22,11 @@
 //! histogram of how many bits were flipped in the entire plaintext.
 use clap::{self, Parser as _};
 use crypto_provider::aes::BLOCK_SIZE;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
 use ldt::*;
 use ldt_tbc::TweakableBlockCipher;
-use rand::{distributions, Rng as _, SeedableRng as _};
+use rand::{distributions, Rng as _};
 
 use rand_ext::*;
 use xts_aes::{XtsAes128, XtsAes256};
@@ -37,25 +38,37 @@ fn main() {
 }
 
 fn run_trials(args: Args) {
-    let mut rng = rand::rngs::StdRng::from_entropy();
+    let mut rng = seeded_rng();
     let mut histo = (0..=100).map(|_| 0_u64).collect::<Vec<_>>();
     let mut undetected_changes = 0_u64;
+    let mut cp_rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
     for _ in 0..args.trials {
-        let (percent, ok) = if rng.gen() {
-            do_trial(
-                Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
-                &mut rng,
-                DefaultPadder::default(),
-                &args,
-            )
-        } else {
-            do_trial(
-                Ldt::<16, XtsAes256<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
-                &mut rng,
-                DefaultPadder::default(),
-                &args,
-            )
-        };
+        let (percent, ok) =
+            if rng.gen() {
+                do_trial(
+                    LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+                        &LdtKey::from_random::<RustCrypto>(&mut cp_rng),
+                    ),
+                    LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+                        &LdtKey::from_random::<RustCrypto>(&mut cp_rng),
+                    ),
+                    &mut rng,
+                    DefaultPadder::default(),
+                    &args,
+                )
+            } else {
+                do_trial(
+                    LdtEncryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(
+                        &LdtKey::from_random::<RustCrypto>(&mut cp_rng),
+                    ),
+                    LdtDecryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(
+                        &LdtKey::from_random::<RustCrypto>(&mut cp_rng),
+                    ),
+                    &mut rng,
+                    DefaultPadder::default(),
+                    &args,
+                )
+            };
 
         histo[percent] += 1;
         if !ok {
@@ -87,22 +100,23 @@ fn run_trials(args: Args) {
 }
 
 fn do_trial<const B: usize, T: TweakableBlockCipher<B>, P: Padder<B, T>, M: Mix, R: rand::Rng>(
-    ldt: Ldt<B, T, M>,
+    ldt_enc: LdtEncryptCipher<B, T, M>,
+    ldt_dec: LdtDecryptCipher<B, T, M>,
     rng: &mut R,
     padder: P,
     args: &Args,
 ) -> (usize, bool) {
     let plaintext_len_range = distributions::Uniform::new_inclusive(BLOCK_SIZE, BLOCK_SIZE * 2 - 1);
     let len = rng.sample(plaintext_len_range);
-    let plaintext = random_vec(rng, len);
+    let plaintext = random_vec_rc(rng, len);
 
     let mut ciphertext = plaintext.clone();
-    ldt.encrypt(&mut ciphertext, &padder).unwrap();
+    ldt_enc.encrypt(&mut ciphertext, &padder).unwrap();
 
     // flip a random bit
     ciphertext[rng.gen_range(0..len)] ^= 1 << rng.gen_range(0..8);
 
-    ldt.decrypt(&mut ciphertext, &padder).unwrap();
+    ldt_dec.decrypt(&mut ciphertext, &padder).unwrap();
     assert_ne!(plaintext, ciphertext);
 
     let differing_bits: u32 = plaintext
diff --git a/nearby/presence/ldt/fuzz/Cargo.lock b/nearby/presence/ldt/fuzz/Cargo.lock
index c592ebd..2f38bca 100644
--- a/nearby/presence/ldt/fuzz/Cargo.lock
+++ b/nearby/presence/ldt/fuzz/Cargo.lock
@@ -3,6 +3,17 @@
 version = 3
 
 [[package]]
+name = "aead"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c192eb8f11fc081b0fe4259ba5af04217d4e0faddd02417310a927911abd7c8"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -14,10 +25,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
 name = "arbitrary"
-version = "1.2.3"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e90af4de65aa7b293ef2d09daff88501eb254f58edde2e1ac02c82d873eadad"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -28,24 +54,15 @@ version = "0.1.0"
 
 [[package]]
 name = "base16ct"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
-
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
 name = "block-buffer"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
@@ -60,10 +77,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
+name = "bytes"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "cbc"
@@ -76,9 +93,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.78"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 dependencies = [
  "jobserver",
 ]
@@ -91,9 +108,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -101,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
@@ -116,12 +133,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.4.9"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
+checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -133,6 +150,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
@@ -140,25 +158,29 @@ dependencies = [
 name = "crypto_provider"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "bytes",
 ]
 
 [[package]]
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
  "ctr",
  "ed25519-dalek",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
@@ -174,31 +196,33 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
- "zeroize",
 ]
 
 [[package]]
 name = "der"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
 dependencies = [
  "const-oid",
+ "zeroize",
 ]
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.2.3"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8beee4701e2e229e8098bbdecdca12449bc3e322f137d269182fa1291e20bd00"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -207,62 +231,50 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "digest"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
- "serde",
- "sha2 0.9.9",
- "zeroize",
+ "rand_core",
+ "sha2",
 ]
 
 [[package]]
 name = "elliptic-curve"
-version = "0.12.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
+checksum = "6ea5a92946e8614bb585254898bb7dd1ddad241ace60c52149e3765e34cc039d"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "digest",
  "ff",
  "generic-array",
  "group",
  "hkdf",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -270,15 +282,21 @@ dependencies = [
 
 [[package]]
 name = "ff"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "generic-array"
 version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -286,17 +304,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "zeroize",
 ]
 
 [[package]]
@@ -307,17 +315,17 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "group"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -336,7 +344,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
@@ -351,9 +359,9 @@ dependencies = [
 
 [[package]]
 name = "jobserver"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
 dependencies = [
  "libc",
 ]
@@ -362,8 +370,8 @@ dependencies = [
 name = "ldt"
 version = "0.1.0"
 dependencies = [
+ "crypto_provider",
  "ldt_tbc",
- "rand 0.8.5",
 ]
 
 [[package]]
@@ -381,20 +389,20 @@ dependencies = [
 name = "ldt_tbc"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "crypto_provider",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libfuzzer-sys"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8fff891139ee62800da71b7fd5b508d570b9ad95e614a53c6f453ca08366038"
+checksum = "beb09950ae85a0a94b27676cccf37da5ff13f27076aa1adbc6545dd0d0e1bd4e"
 dependencies = [
  "arbitrary",
  "cc",
@@ -402,10 +410,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
+[[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "opaque-debug"
@@ -415,15 +429,43 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49c124b3cbce43bcbac68c58ec181d98ed6cc7e6d0aa7c3ba97b2563410b0e55"
+checksum = "7270da3e5caa82afd3deb054cc237905853813aea3859544bc082c3fe55b8d47"
 dependencies = [
  "elliptic-curve",
  "primeorder",
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -431,63 +473,38 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "primeorder"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54f7131b3dba65a2f414cf5bd25b66d4682e4608610668eae785750ba4c5b2"
+checksum = "7613fdcc0831c10060fa69833ea8fa2caa94b6456f51e25356a885b530a2e3d0"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.50"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
+checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -497,16 +514,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -515,31 +523,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
-]
-
-[[package]]
-name = "rand_core_05_adapter"
-version = "0.1.0"
-dependencies = [
- "rand 0.8.5",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
 name = "sec1"
-version = "0.3.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
 dependencies = [
  "base16ct",
  "der",
@@ -549,25 +540,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.152"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
-
-[[package]]
-name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
-[[package]]
 name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -575,14 +547,14 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "subtle"
@@ -592,9 +564,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -602,18 +574,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
-[[package]]
 name = "typenum"
 version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -621,15 +581,19 @@ checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "version_check"
@@ -639,25 +603,18 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "x25519-dalek"
-version = "2.0.0-pre.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
 dependencies = [
  "curve25519-dalek",
- "rand_core 0.6.4",
- "zeroize",
+ "rand_core",
 ]
 
 [[package]]
@@ -674,18 +631,3 @@ name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
diff --git a/nearby/presence/ldt/fuzz/fuzz_targets/ldt_roundtrip.rs b/nearby/presence/ldt/fuzz/fuzz_targets/ldt_roundtrip.rs
index 16a06c5..13e2a46 100644
--- a/nearby/presence/ldt/fuzz/fuzz_targets/ldt_roundtrip.rs
+++ b/nearby/presence/ldt/fuzz/fuzz_targets/ldt_roundtrip.rs
@@ -19,14 +19,16 @@ use libfuzzer_sys::fuzz_target;
 use xts_aes::XtsAes128;
 
 fuzz_target!(|data: LdtFuzzInput| {
-    let ldt =
-        Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_concatenated(&data.ldt_key));
+    let ldt_enc =
+        LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_concatenated(&data.ldt_key));
+    let ldt_dec =
+        LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_concatenated(&data.ldt_key));
     let len = 16 + (data.len as usize % 16);
     let padder: XorPadder<16> = data.xor_padder.clone().into();
 
     let mut buffer = data.plaintext.clone();
-    ldt.encrypt(&mut buffer[..len], &padder).unwrap();
-    ldt.decrypt(&mut buffer[..len], &padder).unwrap();
+    ldt_enc.encrypt(&mut buffer[..len], &padder).unwrap();
+    ldt_dec.decrypt(&mut buffer[..len], &padder).unwrap();
     assert_eq!(data.plaintext, buffer);
 });
 
diff --git a/nearby/presence/ldt/src/lib.rs b/nearby/presence/ldt/src/lib.rs
index 9ea8b79..d888164 100644
--- a/nearby/presence/ldt/src/lib.rs
+++ b/nearby/presence/ldt/src/lib.rs
@@ -17,7 +17,6 @@
 #![no_std]
 #![forbid(unsafe_code)]
 #![deny(
-    missing_docs,
     clippy::indexing_slicing,
     clippy::unwrap_used,
     clippy::panic,
@@ -25,25 +24,29 @@
 )]
 
 use core::{fmt, marker::PhantomData};
+use crypto_provider::CryptoProvider;
 use ldt_tbc::{ConcatenatedKeyArray, TweakableBlockCipher, TweakableBlockCipherKey};
+use ldt_tbc::{TweakableBlockCipherDecrypter, TweakableBlockCipherEncrypter};
 
-/// Implementation of the [LDT](https://eprint.iacr.org/2017/841.pdf) length doubler.
+/// Implementation of the [LDT](https://eprint.iacr.org/2017/841.pdf) length doubler encryption cipher.
 ///
 /// `B` is the block size.
+/// `T` is the provided implementation of a Tweakable Block Cipher
+/// `M` is the implementation of a [pure mix function](https://eprint.iacr.org/2017/841.pdf)
 #[repr(C)]
-pub struct Ldt<const B: usize, T: TweakableBlockCipher<B>, M: Mix> {
-    cipher_1: T,
-    cipher_2: T,
+pub struct LdtEncryptCipher<const B: usize, T: TweakableBlockCipher<B>, M: Mix> {
+    cipher_1: T::EncryptionCipher,
+    cipher_2: T::EncryptionCipher,
     // marker to use `M`
     mix_phantom: PhantomData<M>,
 }
 
-impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> Ldt<B, T, M> {
-    /// Create an [Ldt] with the provided Tweakable block cipher and Mix function
+impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> LdtEncryptCipher<B, T, M> {
+    /// Create an [LdtEncryptCipher] with the provided Tweakable block cipher and Mix function
     pub fn new(key: &LdtKey<T::Key>) -> Self {
-        Ldt {
-            cipher_1: T::new(&key.key_1),
-            cipher_2: T::new(&key.key_2),
+        LdtEncryptCipher {
+            cipher_1: T::EncryptionCipher::new(&key.key_1),
+            cipher_2: T::EncryptionCipher::new(&key.key_2),
             mix_phantom: PhantomData::default(),
         }
     }
@@ -55,7 +58,7 @@ impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> Ldt<B, T, M> {
     /// # Errors
     /// - if `data` has a length outside of `[B, B * 2)`.
     pub fn encrypt<P: Padder<B, T>>(&self, data: &mut [u8], padder: &P) -> Result<(), LdtError> {
-        self.do_ldt(
+        do_ldt::<B, T, M, _, _, _, P>(
             data,
             |cipher, tweak, block| cipher.encrypt(tweak, block),
             padder,
@@ -64,6 +67,30 @@ impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> Ldt<B, T, M> {
             &self.cipher_2,
         )
     }
+}
+
+/// Implementation of the [LDT](https://eprint.iacr.org/2017/841.pdf) length doubler decryption cipher.
+///
+/// `B` is the block size.
+/// `T` is the provided implementation of a Tweakable Block Cipher
+/// `M` is the implementation of a [pure mix function](https://eprint.iacr.org/2017/841.pdf)
+#[repr(C)]
+pub struct LdtDecryptCipher<const B: usize, T: TweakableBlockCipher<B>, M: Mix> {
+    cipher_1: T::DecryptionCipher,
+    cipher_2: T::DecryptionCipher,
+    // marker to use `M`
+    mix_phantom: PhantomData<M>,
+}
+
+impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> LdtDecryptCipher<B, T, M> {
+    /// Create an [LdtDecryptCipher] with the provided Tweakable block cipher and Mix function
+    pub fn new(key: &LdtKey<T::Key>) -> Self {
+        LdtDecryptCipher {
+            cipher_1: T::DecryptionCipher::new(&key.key_1),
+            cipher_2: T::DecryptionCipher::new(&key.key_2),
+            mix_phantom: PhantomData::default(),
+        }
+    }
 
     /// Decrypt `data` in place, performing the pad operation with `padder`.
     ///
@@ -72,7 +99,7 @@ impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> Ldt<B, T, M> {
     /// # Errors
     /// - if `data` has a length outside of `[B, B * 2)`.
     pub fn decrypt<P: Padder<B, T>>(&self, data: &mut [u8], padder: &P) -> Result<(), LdtError> {
-        self.do_ldt(
+        do_ldt::<B, T, M, _, _, _, P>(
             data,
             |cipher, tweak, block| cipher.decrypt(tweak, block),
             padder,
@@ -82,63 +109,66 @@ impl<const B: usize, T: TweakableBlockCipher<B>, M: Mix> Ldt<B, T, M> {
             &self.cipher_1,
         )
     }
+}
 
-    fn do_ldt<C, X, P>(
-        &self,
-        data: &mut [u8],
-        cipher_op: C,
-        padder: &P,
-        mix: X,
-        first_cipher: &T,
-        second_cipher: &T,
-    ) -> Result<(), LdtError>
-    where
-        // Encrypt or decrypt in place with a tweak
-        C: Fn(&T, T::Tweak, &mut [u8; B]),
-        // Mix a/b into block-sized chunks
-        X: Fn(&[u8], &[u8]) -> ([u8; B], [u8; B]),
-        P: Padder<B, T>,
-    {
-        if data.len() < B || data.len() >= B * 2 {
-            return Err(LdtError::InvalidLength(data.len()));
-        }
-        let s = data.len() - B;
-        debug_assert!(s < B);
-
-        // m1 length B, m2 length s (s < B)
-        let (m1, m2) = data.split_at(B);
-        debug_assert_eq!(s, m2.len());
-        let m1_ciphertext = {
-            let mut m1_plaintext = [0_u8; B];
-            // m1 is of length B, so no panic
-            m1_plaintext[..].copy_from_slice(m1);
-            let tweak = padder.pad_tweak(m2);
-            cipher_op(first_cipher, tweak, &mut m1_plaintext);
-            m1_plaintext
-        };
-        // |z| = B - s, |m3| = s
-        let (z, m3) = m1_ciphertext.split_at(B - s);
-        debug_assert_eq!(s, m3.len());
-        // c3 and c2 are the last s bytes of their size-B arrays, respectively
-        let (mut c3, c2) = mix(m3, m2);
-        let c1 = {
-            // constructing z || c3 is easy since c3 is already the last s bytes
-            c3[0..(B - s)].copy_from_slice(z);
-            let mut z_c3 = c3;
-            let tweak = padder.pad_tweak(&c2[B - s..]);
-            cipher_op(second_cipher, tweak, &mut z_c3);
-            z_c3
-        };
-        let len = data.len();
-        data.get_mut(0..B)
-            .ok_or(LdtError::InvalidLength(len))?
-            .copy_from_slice(&c1);
-        data.get_mut(B..)
-            .ok_or(LdtError::InvalidLength(len))?
-            .copy_from_slice(&c2[B - s..]);
-
-        Ok(())
+// internal implementation of ldt cipher operations, re-used by encryption and decryption, by providing
+// the corresponding cipher_op and mix operation
+fn do_ldt<const B: usize, T, M, O, C, X, P>(
+    data: &mut [u8],
+    cipher_op: O,
+    padder: &P,
+    mix: X,
+    first_cipher: &C,
+    second_cipher: &C,
+) -> Result<(), LdtError>
+where
+    T: TweakableBlockCipher<B>,
+    M: Mix,
+    // Encrypt or decrypt in place with a tweak
+    O: Fn(&C, T::Tweak, &mut [u8; B]),
+    // Mix a/b into block-sized chunks
+    X: Fn(&[u8], &[u8]) -> ([u8; B], [u8; B]),
+    P: Padder<B, T>,
+{
+    if data.len() < B || data.len() >= B * 2 {
+        return Err(LdtError::InvalidLength(data.len()));
     }
+    let s = data.len() - B;
+    debug_assert!(s < B);
+
+    // m1 length B, m2 length s (s < B)
+    let (m1, m2) = data.split_at(B);
+    debug_assert_eq!(s, m2.len());
+    let m1_ciphertext = {
+        let mut m1_plaintext = [0_u8; B];
+        // m1 is of length B, so no panic
+        m1_plaintext[..].copy_from_slice(m1);
+        let tweak = padder.pad_tweak(m2);
+        cipher_op(first_cipher, tweak, &mut m1_plaintext);
+        m1_plaintext
+    };
+    // |z| = B - s, |m3| = s
+    let (z, m3) = m1_ciphertext.split_at(B - s);
+    debug_assert_eq!(s, m3.len());
+    // c3 and c2 are the last s bytes of their size-B arrays, respectively
+    let (mut c3, c2) = mix(m3, m2);
+    let c1 = {
+        // constructing z || c3 is easy since c3 is already the last s bytes
+        c3[0..(B - s)].copy_from_slice(z);
+        let mut z_c3 = c3;
+        let tweak = padder.pad_tweak(&c2[B - s..]);
+        cipher_op(second_cipher, tweak, &mut z_c3);
+        z_c3
+    };
+    let len = data.len();
+    data.get_mut(0..B)
+        .ok_or(LdtError::InvalidLength(len))?
+        .copy_from_slice(&c1);
+    data.get_mut(B..)
+        .ok_or(LdtError::InvalidLength(len))?
+        .copy_from_slice(&c2[B - s..]);
+
+    Ok(())
 }
 
 /// Errors produced by LDT encryption/decryption.
@@ -181,8 +211,8 @@ impl<T: TweakableBlockCipherKey> LdtKey<T> {
     }
 
     /// Build a random key from a secure RNG.
-    pub fn from_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self {
-        Self::from_concatenated(&ConcatenatedKeyArray::from_random(rng))
+    pub fn from_random<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self {
+        Self::from_concatenated(&ConcatenatedKeyArray::from_random::<C>(rng))
     }
 
     /// Returns the key material as a concatenated array with the contents of the two tweakable
diff --git a/nearby/presence/ldt/tests/ldt_roundtrip.rs b/nearby/presence/ldt/tests/ldt_roundtrip.rs
index b848984..6f5cada 100644
--- a/nearby/presence/ldt/tests/ldt_roundtrip.rs
+++ b/nearby/presence/ldt/tests/ldt_roundtrip.rs
@@ -13,29 +13,36 @@
 // limitations under the License.
 
 use crypto_provider::aes::BLOCK_SIZE;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
 use ldt::*;
 use ldt_tbc::TweakableBlockCipher;
+use rand::rngs::StdRng;
 use rand::{self, distributions, Rng as _, SeedableRng as _};
 use rand_ext::{random_bytes, random_vec};
 use xts_aes::{XtsAes128, XtsAes256};
 
 #[test]
 fn roundtrip_normal_padder() {
-    let mut rng = rand::rngs::StdRng::from_entropy();
+    let mut rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
+    let mut rc_rng = rand::rngs::StdRng::from_entropy();
     let plaintext_len_range = distributions::Uniform::new_inclusive(BLOCK_SIZE, BLOCK_SIZE * 2 - 1);
 
     for _ in 0..100_000 {
-        if rng.gen() {
-            do_roundtrip(
-                Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
+        if rc_rng.gen() {
+            let ldt_key = LdtKey::from_random::<RustCrypto>(&mut rng);
+            do_roundtrip::<16, _, _, _, RustCrypto>(
+                LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&ldt_key),
+                LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&ldt_key),
                 &DefaultPadder::default(),
                 &mut rng,
                 &plaintext_len_range,
             )
         } else {
-            do_roundtrip(
-                Ldt::<16, XtsAes256<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
+            let ldt_key = LdtKey::from_random::<RustCrypto>(&mut rng);
+            do_roundtrip::<16, _, _, _, RustCrypto>(
+                LdtEncryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(&ldt_key),
+                LdtDecryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(&ldt_key),
                 &DefaultPadder::default(),
                 &mut rng,
                 &plaintext_len_range,
@@ -46,23 +53,29 @@ fn roundtrip_normal_padder() {
 
 #[test]
 fn roundtrip_xor_padder() {
-    let mut rng = rand::rngs::StdRng::from_entropy();
-    // 2 bytes smaller becauwe're using a 2 byte salt
+    let mut rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
+    let mut rc_rng = rand::rngs::StdRng::from_entropy();
+    // 2 bytes smaller because we're using a 2 byte salt
     let plaintext_len_range =
         distributions::Uniform::new_inclusive(BLOCK_SIZE, BLOCK_SIZE * 2 - 1 - 2);
 
     for _ in 0..100_000 {
-        let padder: XorPadder<BLOCK_SIZE> = random_bytes(&mut rng).into();
-        if rng.gen() {
-            do_roundtrip(
-                Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
+        let padder: XorPadder<BLOCK_SIZE> = random_bytes::<BLOCK_SIZE, RustCrypto>(&mut rng).into();
+
+        if rc_rng.gen() {
+            let ldt_key = LdtKey::from_random::<RustCrypto>(&mut rng);
+            do_roundtrip::<16, _, _, _, RustCrypto>(
+                LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&ldt_key),
+                LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&ldt_key),
                 &padder,
                 &mut rng,
                 &plaintext_len_range,
             )
         } else {
-            do_roundtrip(
-                Ldt::<16, XtsAes256<RustCrypto>, Swap>::new(&LdtKey::from_random(&mut rng)),
+            let ldt_key = LdtKey::from_random::<RustCrypto>(&mut rng);
+            do_roundtrip::<16, _, _, _, RustCrypto>(
+                LdtEncryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(&ldt_key),
+                LdtDecryptCipher::<16, XtsAes256<RustCrypto>, Swap>::new(&ldt_key),
                 &padder,
                 &mut rng,
                 &plaintext_len_range,
@@ -76,22 +89,24 @@ fn do_roundtrip<
     T: TweakableBlockCipher<B>,
     P: Padder<B, T>,
     M: Mix,
-    R: rand::Rng,
+    C: CryptoProvider,
 >(
-    ldt: Ldt<B, T, M>,
+    ldt_enc: LdtEncryptCipher<B, T, M>,
+    ldt_dec: LdtDecryptCipher<B, T, M>,
     padder: &P,
-    rng: &mut R,
+    rng: &mut C::CryptoRng,
     plaintext_len_range: &distributions::Uniform<usize>,
 ) {
-    let len = rng.sample(plaintext_len_range);
-    let plaintext = random_vec(rng, len);
+    let mut rng_rc = StdRng::from_entropy();
+    let len = rng_rc.sample(plaintext_len_range);
+    let plaintext = random_vec::<C>(rng, len);
 
     let mut ciphertext = plaintext.clone();
-    ldt.encrypt(&mut ciphertext, padder).unwrap();
+    ldt_enc.encrypt(&mut ciphertext, padder).unwrap();
 
     assert_eq!(plaintext.len(), ciphertext.len());
     assert_ne!(plaintext, ciphertext);
 
-    ldt.decrypt(&mut ciphertext, padder).unwrap();
+    ldt_dec.decrypt(&mut ciphertext, padder).unwrap();
     assert_eq!(plaintext, ciphertext);
 }
diff --git a/nearby/presence/ldt/tests/ldt_test_vectors.rs b/nearby/presence/ldt/tests/ldt_test_vectors.rs
index ff2c6fe..691bd62 100644
--- a/nearby/presence/ldt/tests/ldt_test_vectors.rs
+++ b/nearby/presence/ldt/tests/ldt_test_vectors.rs
@@ -14,7 +14,7 @@
 
 use anyhow::anyhow;
 use crypto_provider_rustcrypto::RustCrypto;
-use ldt::{DefaultPadder, Ldt, LdtKey, Swap, XorPadder};
+use ldt::{DefaultPadder, LdtDecryptCipher, LdtEncryptCipher, LdtKey, Swap, XorPadder};
 use std::{fs, io::Read as _};
 use test_helper::{extract_key_array, extract_key_vec};
 use xts_aes::XtsAes128;
@@ -46,17 +46,24 @@ fn aluykx_test_vectors() -> Result<(), anyhow::Error> {
         assert!(len >= crypto_provider::aes::BLOCK_SIZE);
         assert!(len < crypto_provider::aes::BLOCK_SIZE * 2);
 
-        let ldt = Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_concatenated(&key));
+        let ldt_enc = LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+            &LdtKey::from_concatenated(&key),
+        );
+        let ldt_dec = LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+            &LdtKey::from_concatenated(&key),
+        );
 
         let mut plaintext = [0; 31];
         plaintext[..len].copy_from_slice(&expected_ciphertext);
-        ldt.decrypt(&mut plaintext[..len], &DefaultPadder::default())
+        ldt_dec
+            .decrypt(&mut plaintext[..len], &DefaultPadder::default())
             .unwrap();
         assert_eq!(&expected_plaintext, &plaintext[..len]);
 
         let mut ciphertext = [0; 31];
         ciphertext[..len].copy_from_slice(&expected_plaintext);
-        ldt.encrypt(&mut ciphertext[..len], &DefaultPadder::default())
+        ldt_enc
+            .encrypt(&mut ciphertext[..len], &DefaultPadder::default())
             .unwrap();
         assert_eq!(&expected_ciphertext, &ciphertext[..len]);
     }
@@ -92,17 +99,24 @@ fn xor_pad_test_vectors() -> Result<(), anyhow::Error> {
         assert!(len >= crypto_provider::aes::BLOCK_SIZE);
         assert!(len < crypto_provider::aes::BLOCK_SIZE * 2);
 
-        let ldt = Ldt::<16, XtsAes128<RustCrypto>, Swap>::new(&LdtKey::from_concatenated(&key));
+        let ldt_enc = LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+            &LdtKey::from_concatenated(&key),
+        );
+        let ldt_dec = LdtDecryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(
+            &LdtKey::from_concatenated(&key),
+        );
 
         let mut plaintext = [0; 31];
         plaintext[..len].copy_from_slice(&expected_ciphertext);
-        ldt.decrypt(&mut plaintext[..len], &XorPadder::from(xor_pad))
+        ldt_dec
+            .decrypt(&mut plaintext[..len], &XorPadder::from(xor_pad))
             .unwrap();
         assert_eq!(&expected_plaintext, &plaintext[..len]);
 
         let mut ciphertext = [0; 31];
         ciphertext[..len].copy_from_slice(&expected_plaintext);
-        ldt.encrypt(&mut ciphertext[..len], &XorPadder::from(xor_pad))
+        ldt_enc
+            .encrypt(&mut ciphertext[..len], &XorPadder::from(xor_pad))
             .unwrap();
         assert_eq!(&expected_ciphertext, &ciphertext[..len]);
     }
diff --git a/nearby/presence/ldt/tests/tests.rs b/nearby/presence/ldt/tests/tests.rs
index 77dbb35..a50658d 100644
--- a/nearby/presence/ldt/tests/tests.rs
+++ b/nearby/presence/ldt/tests/tests.rs
@@ -17,15 +17,16 @@ extern crate alloc;
 use alloc::vec;
 use crypto_provider::aes::BLOCK_SIZE;
 use crypto_provider_rustcrypto::RustCrypto;
-use ldt::{DefaultPadder, Ldt, LdtError, LdtKey, Padder, Swap, XorPadder};
+use ldt::{
+    DefaultPadder, LdtDecryptCipher, LdtEncryptCipher, LdtError, LdtKey, Padder, Swap, XorPadder,
+};
 use xts_aes::{XtsAes128, XtsAes128Key};
 
 #[test]
 fn normal_pad_empty() {
     let padder = DefaultPadder::default();
     let tweak: xts_aes::Tweak =
-        <DefaultPadder as Padder<16, xts_aes::XtsAes128<RustCrypto>>>::pad_tweak(&padder, &[]);
-
+        <DefaultPadder as Padder<16, XtsAes128<RustCrypto>>>::pad_tweak(&padder, &[]);
     let bytes = tweak.le_bytes();
 
     // leading 1 bit
@@ -38,7 +39,7 @@ fn normal_pad_empty() {
 fn normal_pad_one_byte() {
     let padder = DefaultPadder::default();
     let tweak: xts_aes::Tweak =
-        <DefaultPadder as Padder<16, xts_aes::XtsAes128<RustCrypto>>>::pad_tweak(&padder, &[0x81]);
+        <DefaultPadder as Padder<16, XtsAes128<RustCrypto>>>::pad_tweak(&padder, &[0x81]);
 
     let bytes = tweak.le_bytes();
 
@@ -69,7 +70,7 @@ fn normal_pad_max_len() {
 fn normal_pad_too_big_panics() {
     let padder = DefaultPadder::default();
     let input = [0x99; 16];
-    <DefaultPadder as Padder<16, xts_aes::XtsAes128<RustCrypto>>>::pad_tweak(&padder, &input);
+    <DefaultPadder as Padder<16, XtsAes128<RustCrypto>>>::pad_tweak(&padder, &input);
 }
 
 #[test]
@@ -77,7 +78,7 @@ fn xor_pad_empty() {
     let padder = [0x24; BLOCK_SIZE].into();
     let tweak: xts_aes::Tweak = <XorPadder<BLOCK_SIZE> as Padder<
         BLOCK_SIZE,
-        xts_aes::XtsAes128<RustCrypto>,
+        XtsAes128<RustCrypto>,
     >>::pad_tweak(&padder, &[]);
 
     let bytes = tweak.le_bytes();
@@ -135,41 +136,42 @@ fn xor_pad_too_big_panics() {
 
 #[test]
 fn encrypt_too_short_err() {
-    do_length_check(7, |ldt, payload| {
-        ldt.encrypt(payload, &DefaultPadder::default())
-    })
+    do_length_check_enc(7)
 }
 
 #[test]
 fn encrypt_too_long_err() {
-    do_length_check(40, |ldt, payload| {
-        ldt.encrypt(payload, &DefaultPadder::default())
-    })
+    do_length_check_enc(40)
 }
 #[test]
 fn decrypt_too_short_err() {
-    do_length_check(7, |ldt, payload| {
-        ldt.decrypt(payload, &DefaultPadder::default())
-    })
+    do_length_check_dec(7)
 }
 #[test]
 fn decrypt_too_long_err() {
-    do_length_check(40, |ldt, payload| {
-        ldt.decrypt(payload, &DefaultPadder::default())
-    })
+    do_length_check_dec(40)
 }
 
-fn do_length_check<
-    F: Fn(Ldt<{ BLOCK_SIZE }, XtsAes128<RustCrypto>, Swap>, &mut [u8]) -> Result<(), LdtError>,
->(
-    payload_len: usize,
-    ldt_op: F,
-) {
-    let ldt = Ldt::new(&LdtKey::<XtsAes128Key>::from_concatenated(&[0u8; 64]));
+fn do_length_check_dec(len: usize) {
+    let ldt_dec = LdtDecryptCipher::<{ BLOCK_SIZE }, XtsAes128<RustCrypto>, Swap>::new(
+        &LdtKey::<XtsAes128Key>::from_concatenated(&[0u8; 64]),
+    );
+
+    let mut payload = vec![0; len];
+    assert_eq!(
+        Err(LdtError::InvalidLength(len)),
+        ldt_dec.decrypt(&mut payload, &DefaultPadder::default())
+    );
+}
+
+fn do_length_check_enc(len: usize) {
+    let ldt_enc = LdtEncryptCipher::<{ BLOCK_SIZE }, XtsAes128<RustCrypto>, Swap>::new(
+        &LdtKey::<XtsAes128Key>::from_concatenated(&[0u8; 64]),
+    );
 
-    let mut payload = vec![0; payload_len];
+    let mut payload = vec![0; len];
     assert_eq!(
-        Err(LdtError::InvalidLength(payload_len)),
-        ldt_op(ldt, &mut payload)
+        Err(LdtError::InvalidLength(len)),
+        ldt_enc.encrypt(&mut payload, &DefaultPadder::default())
     );
 }
diff --git a/nearby/presence/ldt_np_adv/Cargo.toml b/nearby/presence/ldt_np_adv/Cargo.toml
index b5a0471..707bb8d 100644
--- a/nearby/presence/ldt_np_adv/Cargo.toml
+++ b/nearby/presence/ldt_np_adv/Cargo.toml
@@ -13,12 +13,21 @@ xts_aes.workspace = true
 ldt_tbc.workspace = true
 
 [dev-dependencies]
-crypto_provider_rustcrypto.workspace = true
+crypto_provider_rustcrypto = {workspace = true, features=["std"]}
+crypto_provider_openssl.workspace = true
 rand_ext.workspace = true
 test_helper.workspace = true
 
 rand.workspace = true
 base64.workspace = true
-serde_json.workspace = true
+serde_json = {workspace = true, features=["std"]}
 hex.workspace = true
 anyhow.workspace = true
+criterion.workspace = true
+rand_pcg.workspace = true
+
+[[bench]]
+name = "ldt_adv_scan"
+harness = false
+
+
diff --git a/nearby/presence/ldt_np_adv/benches/ldt_adv_scan.rs b/nearby/presence/ldt_np_adv/benches/ldt_adv_scan.rs
new file mode 100644
index 0000000..c40530b
--- /dev/null
+++ b/nearby/presence/ldt_np_adv/benches/ldt_adv_scan.rs
@@ -0,0 +1,124 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use ldt_np_adv::*;
+
+use array_view::ArrayView;
+use rand::{Rng as _, SeedableRng as _};
+
+use crypto_provider::CryptoProvider;
+use crypto_provider_openssl::Openssl;
+use crypto_provider_rustcrypto::RustCrypto;
+use np_hkdf::NpKeySeedHkdf;
+
+fn ldt_adv_scan<C: CryptoProvider>(c: &mut Criterion) {
+    let mut seed: <rand_pcg::Pcg64 as rand::SeedableRng>::Seed = Default::default();
+    rand::thread_rng().fill(&mut seed);
+    let mut rng = rand_pcg::Pcg64::from_seed(seed);
+
+    for &len in &[1_usize, 10, 1000] {
+        c.bench_function(&format!("Scan adv with fresh ciphers/{len}"), |b| {
+            let configs = random_configs::<C, _>(&mut rng, len);
+            let payload_len = rng.gen_range(crypto_provider::aes::BLOCK_SIZE..=LDT_XTS_AES_MAX_LEN);
+            let payload = random_vec(&mut rng, payload_len);
+
+            let salt = LegacySalt::from(rng.gen::<[u8; 2]>());
+            #[allow(clippy::unit_arg)]
+            b.iter(|| {
+                let ciphers = build_ciphers(&configs);
+                black_box(find_matching_item::<C>(&ciphers, salt, &payload))
+            });
+        });
+        c.bench_function(&format!("Scan adv with existing ciphers/{len}"), |b| {
+            let configs = random_configs::<C, _>(&mut rng, len);
+            let payload_len = rng.gen_range(crypto_provider::aes::BLOCK_SIZE..=LDT_XTS_AES_MAX_LEN);
+            let payload = random_vec(&mut rng, payload_len);
+
+            let salt = LegacySalt::from(rng.gen::<[u8; 2]>());
+            let ciphers = build_ciphers(&configs);
+            #[allow(clippy::unit_arg)]
+            b.iter(|| black_box(find_matching_item::<C>(&ciphers, salt, &payload)));
+        });
+    }
+}
+
+criterion_group!(benches, ldt_adv_scan::<RustCrypto>, ldt_adv_scan::<Openssl>);
+criterion_main!(benches);
+
+fn find_matching_item<C: CryptoProvider>(
+    ciphers: &[LdtNpAdvDecrypterXtsAes128<C>],
+    salt: LegacySalt,
+    payload: &[u8],
+) {
+    let padder = salt_padder::<16, C>(salt);
+    ciphers
+        .iter()
+        .enumerate()
+        .filter_map(|(index, item)| {
+            item.decrypt_and_verify(payload, &padder)
+                .map(|buffer| (index, buffer))
+                // any error = move to the next item
+                .ok()
+        })
+        .next()
+        .map(|(index, buffer)| MatchResult {
+            matching_index: index,
+            buffer,
+        });
+}
+
+fn build_ciphers<C: CryptoProvider>(
+    configs: &[CipherConfig<C>],
+) -> Vec<LdtNpAdvDecrypterXtsAes128<C>> {
+    configs
+        .iter()
+        .map(|config| {
+            build_np_adv_decrypter_from_key_seed(&config.key_seed, config.metadata_key_hmac)
+        })
+        .collect::<Vec<_>>()
+}
+
+struct CipherConfig<C: CryptoProvider> {
+    key_seed: NpKeySeedHkdf<C>,
+    metadata_key_hmac: [u8; 32],
+}
+
+/// `O` is the buffer size of the LDT config that produced this
+#[derive(PartialEq, Eq, Debug)]
+pub struct MatchResult<const O: usize> {
+    /// The index of the batch item that matched
+    matching_index: usize,
+    /// The buffer holding the plaintext
+    buffer: ArrayView<u8, O>,
+}
+
+fn random_configs<C: CryptoProvider, R: rand::Rng>(
+    rng: &mut R,
+    len: usize,
+) -> Vec<CipherConfig<C>> {
+    (0..len)
+        // ok to use random hmac since we want to try all configs always
+        .map(|_| CipherConfig {
+            key_seed: NpKeySeedHkdf::new(&rng.gen()),
+            metadata_key_hmac: rng.gen(),
+        })
+        .collect()
+}
+
+fn random_vec<R: rand::Rng>(rng: &mut R, len: usize) -> Vec<u8> {
+    let mut bytes = Vec::<u8>::new();
+    bytes.extend((0..len).map(|_| rng.gen::<u8>()));
+    bytes
+}
diff --git a/nearby/presence/ldt_np_adv/fuzz/Cargo.lock b/nearby/presence/ldt_np_adv/fuzz/Cargo.lock
index 0eda4a2..4922fc2 100644
--- a/nearby/presence/ldt_np_adv/fuzz/Cargo.lock
+++ b/nearby/presence/ldt_np_adv/fuzz/Cargo.lock
@@ -3,6 +3,17 @@
 version = 3
 
 [[package]]
+name = "aead"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c192eb8f11fc081b0fe4259ba5af04217d4e0faddd02417310a927911abd7c8"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -14,10 +25,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
 name = "arbitrary"
-version = "1.1.7"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d86fd10d912cab78764cc44307d9cd5f164e09abbeb87fb19fb6d95937e8da5f"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -32,24 +58,15 @@ version = "0.1.0"
 
 [[package]]
 name = "base16ct"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
-
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
 name = "block-buffer"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
@@ -64,10 +81,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
+name = "bytes"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "cbc"
@@ -80,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.73"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 dependencies = [
  "jobserver",
 ]
@@ -95,9 +112,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -105,9 +122,9 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
@@ -120,12 +137,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.4.9"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
+checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -137,6 +154,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
@@ -144,25 +162,29 @@ dependencies = [
 name = "crypto_provider"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "bytes",
 ]
 
 [[package]]
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
  "ctr",
  "ed25519-dalek",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
@@ -178,31 +200,33 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
- "zeroize",
 ]
 
 [[package]]
 name = "der"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
 dependencies = [
  "const-oid",
+ "zeroize",
 ]
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.1.6"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "226ad66541d865d7a7173ad6a9e691c33fdb910ac723f4bc734b3e5294a1f931"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -211,62 +235,50 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "digest"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
- "serde",
- "sha2 0.9.9",
- "zeroize",
+ "rand_core",
+ "sha2",
 ]
 
 [[package]]
 name = "elliptic-curve"
-version = "0.12.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
+checksum = "6ea5a92946e8614bb585254898bb7dd1ddad241ace60c52149e3765e34cc039d"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "digest",
  "ff",
  "generic-array",
  "group",
  "hkdf",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -274,15 +286,21 @@ dependencies = [
 
 [[package]]
 name = "ff"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "generic-array"
 version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -290,17 +308,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "zeroize",
 ]
 
 [[package]]
@@ -311,17 +319,17 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "group"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -340,7 +348,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
@@ -355,9 +363,9 @@ dependencies = [
 
 [[package]]
 name = "jobserver"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
 dependencies = [
  "libc",
 ]
@@ -366,8 +374,8 @@ dependencies = [
 name = "ldt"
 version = "0.1.0"
 dependencies = [
+ "crypto_provider",
  "ldt_tbc",
- "rand 0.8.5",
 ]
 
 [[package]]
@@ -376,9 +384,11 @@ version = "0.0.0"
 dependencies = [
  "arbitrary",
  "crypto_provider_rustcrypto",
+ "ldt",
  "ldt_np_adv",
  "libfuzzer-sys",
  "np_hkdf",
+ "xts_aes",
 ]
 
 [[package]]
@@ -397,20 +407,20 @@ dependencies = [
 name = "ldt_tbc"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "crypto_provider",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.135"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libfuzzer-sys"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8fff891139ee62800da71b7fd5b508d570b9ad95e614a53c6f453ca08366038"
+checksum = "beb09950ae85a0a94b27676cccf37da5ff13f27076aa1adbc6545dd0d0e1bd4e"
 dependencies = [
  "arbitrary",
  "cc",
@@ -418,6 +428,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
+[[package]]
 name = "np_hkdf"
 version = "0.1.0"
 dependencies = [
@@ -428,9 +444,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.15.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "opaque-debug"
@@ -440,15 +456,43 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49c124b3cbce43bcbac68c58ec181d98ed6cc7e6d0aa7c3ba97b2563410b0e55"
+checksum = "7270da3e5caa82afd3deb054cc237905853813aea3859544bc082c3fe55b8d47"
 dependencies = [
  "elliptic-curve",
  "primeorder",
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -456,63 +500,38 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "primeorder"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54f7131b3dba65a2f414cf5bd25b66d4682e4608610668eae785750ba4c5b2"
+checksum = "7613fdcc0831c10060fa69833ea8fa2caa94b6456f51e25356a885b530a2e3d0"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -522,16 +541,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -540,31 +550,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
-]
-
-[[package]]
-name = "rand_core_05_adapter"
-version = "0.1.0"
-dependencies = [
- "rand 0.8.5",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
 name = "sec1"
-version = "0.3.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
 dependencies = [
  "base16ct",
  "der",
@@ -574,25 +567,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.152"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
-
-[[package]]
-name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
-[[package]]
 name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -600,14 +574,14 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "subtle"
@@ -617,9 +591,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.102"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcd952facd492f9be3ef0d0b7032a6e442ee9b361d4acc2b1d0c4aaa5f613a1"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -627,34 +601,26 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
-[[package]]
 name = "typenum"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.5"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "version_check"
@@ -664,25 +630,18 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "x25519-dalek"
-version = "2.0.0-pre.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
 dependencies = [
  "curve25519-dalek",
- "rand_core 0.6.4",
- "zeroize",
+ "rand_core",
 ]
 
 [[package]]
@@ -699,18 +658,3 @@ name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
diff --git a/nearby/presence/ldt_np_adv/fuzz/Cargo.toml b/nearby/presence/ldt_np_adv/fuzz/Cargo.toml
index f74cee6..a346c6b 100644
--- a/nearby/presence/ldt_np_adv/fuzz/Cargo.toml
+++ b/nearby/presence/ldt_np_adv/fuzz/Cargo.toml
@@ -18,6 +18,10 @@ path = ".."
 
 [dependencies.np_hkdf]
 path = "../../np_hkdf"
+[dependencies.xts_aes]
+path = "../../xts_aes"
+[dependencies.ldt]
+path = "../../ldt"
 
 # Prevent this from interfering with workspaces
 [workspace]
diff --git a/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_decrypt.rs b/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_decrypt.rs
index b8edc18..2039219 100644
--- a/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_decrypt.rs
+++ b/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_decrypt.rs
@@ -21,8 +21,8 @@ fuzz_target!(|data: LdtNpDecryptFuzzInput| {
     // try to decrypt data that won't pass validation
     let salt = data.salt.into();
     let padder = salt_padder::<16, RustCrypto>(salt);
-    let cipher_config = LdtAdvCipherConfig::new(data.key_seed, data.metadata_key_hmac);
-    let cipher = cipher_config.build_adv_decrypter_xts_aes_128::<RustCrypto>();
+    let hkdf = np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&data.key_seed);
+    let cipher = build_np_adv_decrypter_from_key_seed::<RustCrypto>(&hkdf, data.metadata_key_hmac);
 
     let len = 16 + (data.len as usize % 16);
     let ciphertext = data.ciphertext;
diff --git a/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_roundtrip.rs b/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_roundtrip.rs
index e2b3713..69f82c3 100644
--- a/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_roundtrip.rs
+++ b/nearby/presence/ldt_np_adv/fuzz/fuzz_targets/ldt_np_roundtrip.rs
@@ -14,26 +14,27 @@
 // limitations under the License.
 
 use crypto_provider_rustcrypto::RustCrypto;
+use ldt::*;
 use ldt_np_adv::*;
 use libfuzzer_sys::fuzz_target;
+use xts_aes::XtsAes128;
 
 fuzz_target!(|data: LdtNpRoundtripFuzzInput| {
     let salt = data.salt.into();
     let padder = salt_padder::<16, RustCrypto>(salt);
 
     let hkdf = np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&data.key_seed);
-    let ldt = ldt_xts_aes_128::<RustCrypto>(&hkdf.legacy_ldt_key());
+    let ldt_enc = LdtEncryptCipher::<16, XtsAes128<RustCrypto>, Swap>::new(&hkdf.legacy_ldt_key());
     let metadata_key_hmac: [u8; 32] = hkdf
         .legacy_metadata_key_hmac_key()
         .calculate_hmac(&data.plaintext[..14]);
 
-    let cipher_config = LdtAdvCipherConfig::new(data.key_seed, metadata_key_hmac);
-    let cipher = cipher_config.build_adv_decrypter_xts_aes_128::<RustCrypto>();
+    let cipher = build_np_adv_decrypter_from_key_seed::<RustCrypto>(&hkdf, metadata_key_hmac);
 
     let len = 16 + (data.len as usize % 16);
     let mut ciphertext = data.plaintext;
 
-    ldt.encrypt(&mut ciphertext[..len], &padder).unwrap();
+    ldt_enc.encrypt(&mut ciphertext[..len], &padder).unwrap();
     let plaintext = cipher
         .decrypt_and_verify(&ciphertext[..len], &padder)
         .unwrap();
diff --git a/nearby/presence/ldt_np_adv/src/lib.rs b/nearby/presence/ldt_np_adv/src/lib.rs
index 10adf77..6e23573 100644
--- a/nearby/presence/ldt_np_adv/src/lib.rs
+++ b/nearby/presence/ldt_np_adv/src/lib.rs
@@ -30,12 +30,13 @@ mod tests;
 
 use array_view::ArrayView;
 use core::fmt;
+use crypto_provider::aes::BLOCK_SIZE;
 use crypto_provider::hmac::Hmac;
 use crypto_provider::CryptoProvider;
-use ldt::{Ldt, LdtError, LdtKey, Mix, Padder, Swap, XorPadder};
+use ldt::{LdtDecryptCipher, LdtEncryptCipher, LdtError, Mix, Padder, Swap, XorPadder};
 use ldt_tbc::TweakableBlockCipher;
-use np_hkdf::legacy_ldt_expanded_salt;
-use xts_aes::{XtsAes128, XtsAes128Key, XtsAes256, XtsAes256Key};
+use np_hkdf::{legacy_ldt_expanded_salt, NpHmacSha256Key, NpKeySeedHkdf};
+use xts_aes::XtsAes128;
 
 /// Max LDT-XTS-AES data size: `(2 * AES block size) - 1`
 pub const LDT_XTS_AES_MAX_LEN: usize = 31;
@@ -62,65 +63,63 @@ impl From<[u8; 2]> for LegacySalt {
     }
 }
 
-/// Config for one individual cipher, corresponding to a particular NP identity/credential
-pub struct LdtAdvCipherConfig {
-    /// The key seed in the NP credential from which other keys will be derived
-    key_seed: [u8; 32],
-    /// The metadata key HMAC in the NP credential
-    metadata_key_hmac: [u8; 32],
+/// [LdtEncryptCipher] parameterized for XTS-AES-128 with the [Swap] mix function.
+pub type LdtEncrypterXtsAes128<C> = LdtEncryptCipher<{ BLOCK_SIZE }, XtsAes128<C>, Swap>;
+
+/// A Nearby Presence specific LDT decrypter which verifies the hmac tag of the given payload
+/// parameterized for XTS-AES-128 with the [Swap] mix function.
+pub type LdtNpAdvDecrypterXtsAes128<C> =
+    LdtNpAdvDecrypter<{ BLOCK_SIZE }, LDT_XTS_AES_MAX_LEN, XtsAes128<C>, Swap, C>;
+
+/// Build a Nearby Presence specific LDT XTS-AES-128 decrypter from a provided [NpKeySeedHkdf] and
+/// metadata_key_hmac, with the [Swap] mix function
+pub fn build_np_adv_decrypter_from_key_seed<C: CryptoProvider>(
+    key_seed: &NpKeySeedHkdf<C>,
+    metadata_key_tag: [u8; 32],
+) -> LdtNpAdvDecrypterXtsAes128<C> {
+    build_np_adv_decrypter(
+        &key_seed.legacy_ldt_key(),
+        metadata_key_tag,
+        key_seed.legacy_metadata_key_hmac_key(),
+    )
 }
 
-impl LdtAdvCipherConfig {
-    /// Build a config from the provided key seed and metadata key hmac.
-    pub fn new(key_seed: [u8; 32], metadata_key_mac: [u8; 32]) -> Self {
-        Self {
-            key_seed,
-            metadata_key_hmac: metadata_key_mac,
-        }
-    }
-
-    /// Build an LdtAdvCipher using XTS-AES128 and keys derived from the key seed.
-    pub fn build_adv_decrypter_xts_aes_128<C: CryptoProvider>(&self) -> LdtAdvDecrypterAes<C> {
-        let hkdf = np_hkdf::NpKeySeedHkdf::new(&self.key_seed);
-
-        LdtAdvDecrypter {
-            ldt: ldt_xts_aes_128::<C>(&hkdf.legacy_ldt_key()),
-            metadata_key_hmac: self.metadata_key_hmac,
-            metadata_key_hmac_key: hkdf.legacy_metadata_key_hmac_key(),
-        }
+/// Build a Nearby Presence specific LDT XTS-AES-128 decrypter from precalculated cipher components,
+/// with the [Swap] mix function
+pub fn build_np_adv_decrypter<C: CryptoProvider>(
+    ldt_key: &ldt::LdtKey<xts_aes::XtsAes128Key>,
+    metadata_key_tag: [u8; 32],
+    metadata_key_hmac_key: NpHmacSha256Key<C>,
+) -> LdtNpAdvDecrypterXtsAes128<C> {
+    LdtNpAdvDecrypter {
+        ldt_decrypter: LdtXtsAes128Decrypter::<C>::new(ldt_key),
+        metadata_key_tag,
+        metadata_key_hmac_key,
     }
 }
 
+// [LdtDecryptCipher] parameterized for XTS-AES-128 with the [Swap] mix function.
+type LdtXtsAes128Decrypter<C> = LdtDecryptCipher<{ BLOCK_SIZE }, XtsAes128<C>, Swap>;
+
 /// Decrypts and validates a NP legacy format advertisement encrypted with LDT.
 ///
-/// Use an [LdtAdvCipherConfig] to build one from an NP `key_seed`.
-///
 /// `B` is the underlying block cipher block size.
 /// `O` is the max output size (must be 2 * B - 1).
 /// `T` is the tweakable block cipher used by LDT.
 /// `M` is the mix function used by LDT.
-pub struct LdtAdvDecrypter<
+pub struct LdtNpAdvDecrypter<
     const B: usize,
     const O: usize,
     T: TweakableBlockCipher<B>,
     M: Mix,
     C: CryptoProvider,
 > {
-    ldt: Ldt<B, T, M>,
-    metadata_key_hmac: [u8; 32],
+    ldt_decrypter: LdtDecryptCipher<B, T, M>,
+    metadata_key_tag: [u8; 32],
     metadata_key_hmac_key: np_hkdf::NpHmacSha256Key<C>,
 }
 
-/// An LdtAdvCipher with block size set appropriately for AES.
-pub type LdtAdvDecrypterAes<C> = LdtAdvDecrypter<
-    { crypto_provider::aes::BLOCK_SIZE },
-    LDT_XTS_AES_MAX_LEN,
-    xts_aes::XtsAes128<C>,
-    Swap,
-    C,
->;
-
-impl<const B: usize, const O: usize, T, M, C> LdtAdvDecrypter<B, O, T, M, C>
+impl<const B: usize, const O: usize, T, M, C> LdtNpAdvDecrypter<B, O, T, M, C>
 where
     T: TweakableBlockCipher<B>,
     M: Mix,
@@ -150,7 +149,7 @@ where
         buffer[..payload.len()].copy_from_slice(payload);
 
         #[allow(clippy::expect_used)]
-        self.ldt
+        self.ldt_decrypter
             .decrypt(&mut buffer[..payload.len()], padder)
             .map_err(|e| match e {
                 LdtError::InvalidLength(l) => LdtAdvDecryptError::InvalidLength(l),
@@ -158,7 +157,7 @@ where
             .and_then(|_| {
                 let mut hmac = self.metadata_key_hmac_key.build_hmac();
                 hmac.update(&buffer[..NP_LEGACY_METADATA_KEY_LEN]);
-                hmac.verify_slice(&self.metadata_key_hmac)
+                hmac.verify_slice(&self.metadata_key_tag)
                     .map_err(|_| LdtAdvDecryptError::MacMismatch)
                     .map(|_| {
                         ArrayView::try_from_array(buffer, payload.len())
@@ -166,39 +165,9 @@ where
                     })
             })
     }
-
-    /// Encrypt the payload in place using the provided padder.
-    ///
-    /// No validation is done to ensure that the metadata key is correct.
-    ///
-    /// # Errors
-    /// - If `payload` has a length outside of `[B, B * 2)`.
-    // Leaving it in place, but deprecating it, to avoid breaking ldt_np_adv_ffi which will be
-    // replaced by a much more expansive FFI API soon.
-    #[deprecated]
-    pub fn encrypt<P: Padder<B, T>>(&self, payload: &mut [u8], padder: &P) -> Result<(), LdtError> {
-        assert_eq!(B * 2 - 1, O); // should be compiled away
-
-        self.ldt.encrypt(payload, padder)
-    }
-
-    /// Construct a cipher from its component parts.
-    ///
-    /// See also [LdtAdvCipherConfig] to build a cipher from an NP key seed.
-    pub fn new(
-        ldt: Ldt<B, T, M>,
-        metadata_key_hmac: [u8; 32],
-        metadata_key_hmac_key: np_hkdf::NpHmacSha256Key<C>,
-    ) -> Self {
-        Self {
-            ldt,
-            metadata_key_hmac,
-            metadata_key_hmac_key,
-        }
-    }
 }
 
-/// Errors that can occur during [LdtAdvCipher.decrypt_and_verify].
+/// Errors that can occur during [LdtNpAdvDecrypter::decrypt_and_verify].
 #[derive(Debug, PartialEq, Eq)]
 pub enum LdtAdvDecryptError {
     /// The ciphertext data was an invalid length.
@@ -223,19 +192,3 @@ pub fn salt_padder<const B: usize, C: CryptoProvider>(salt: LegacySalt) -> XorPa
     // If that's ever not true, yet another generic parameter will address that.
     XorPadder::from(legacy_ldt_expanded_salt::<B, C>(&salt.bytes))
 }
-
-/// [Ldt] parameterized for XTS-AES-128 with the [Swap] mix function.
-pub type LdtXtsAes128<C> = Ldt<{ crypto_provider::aes::BLOCK_SIZE }, XtsAes128<C>, Swap>;
-
-/// Build an [Ldt] with [xts_aes::Xts]-AES-128 and the [Swap] mix function.
-pub fn ldt_xts_aes_128<C: CryptoProvider>(key: &LdtKey<XtsAes128Key>) -> LdtXtsAes128<C> {
-    Ldt::new(key)
-}
-
-/// [Ldt] parameterized for XTS-AES-256 with the [Swap] mix function.
-pub type LdtXtsAes256<C> = Ldt<{ crypto_provider::aes::BLOCK_SIZE }, XtsAes256<C>, Swap>;
-
-/// Build an [Ldt] with [xts_aes::Xts]-AES-256 and the [Swap] mix function.
-pub fn ldt_xts_aes_256<C: CryptoProvider>(key: &LdtKey<XtsAes256Key>) -> LdtXtsAes256<C> {
-    Ldt::new(key)
-}
diff --git a/nearby/presence/ldt_np_adv/src/np_adv_test_vectors.rs b/nearby/presence/ldt_np_adv/src/np_adv_test_vectors.rs
index 14a96d6..6460e34 100644
--- a/nearby/presence/ldt_np_adv/src/np_adv_test_vectors.rs
+++ b/nearby/presence/ldt_np_adv/src/np_adv_test_vectors.rs
@@ -19,14 +19,14 @@
 )]
 
 extern crate std;
-
 use crate::{
-    ldt_xts_aes_128, salt_padder, LdtAdvCipherConfig, LegacySalt, NP_LEGACY_METADATA_KEY_LEN,
+    build_np_adv_decrypter_from_key_seed, salt_padder, LdtEncrypterXtsAes128, LegacySalt,
+    NP_LEGACY_METADATA_KEY_LEN,
 };
 use anyhow::anyhow;
 use crypto_provider_rustcrypto::RustCrypto;
-use rand::Rng as _;
-use rand_ext::{random_vec, seeded_rng};
+use rand::Rng;
+use rand_ext::{random_vec_rc, seeded_rng};
 use serde_json::json;
 use std::vec::Vec;
 use std::{fs, io::Read as _, println, string::String};
@@ -59,16 +59,18 @@ fn np_adv_test_vectors() -> Result<(), anyhow::Error> {
         let salt = LegacySalt::from(extract_key_array(&tc, "adv_salt"));
         let padder = salt_padder::<16, RustCrypto>(salt);
 
-        let ldt = ldt_xts_aes_128::<RustCrypto>(&ldt_key);
+        let ldt_enc = LdtEncrypterXtsAes128::<RustCrypto>::new(&ldt_key);
 
-        let config = LdtAdvCipherConfig::new(key_seed, extract_key_array(&tc, "metadata_key_hmac"));
-        let decrypter = config.build_adv_decrypter_xts_aes_128::<RustCrypto>();
+        let decrypter = build_np_adv_decrypter_from_key_seed(
+            &hkdf,
+            extract_key_array(&tc, "metadata_key_hmac"),
+        );
 
         let plaintext = extract_key_vec(&tc, "plaintext");
         let ciphertext = extract_key_vec(&tc, "ciphertext");
 
         let mut ciphertext_actual = plaintext.clone();
-        ldt.encrypt(&mut ciphertext_actual, &padder).unwrap();
+        ldt_enc.encrypt(&mut ciphertext_actual, &padder).unwrap();
 
         assert_eq!(ciphertext, ciphertext_actual);
 
@@ -91,18 +93,18 @@ fn gen_test_vectors() {
     for _ in 0..1_000 {
         let len =
             rng.gen_range(crypto_provider::aes::BLOCK_SIZE..crypto_provider::aes::BLOCK_SIZE * 2);
-        let plaintext = random_vec(&mut rng, len);
+        let plaintext = random_vec_rc(&mut rng, len);
         let key_seed: [u8; 32] = rng.gen();
 
         let hkdf = np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&key_seed);
         let ldt_key = hkdf.legacy_ldt_key();
         let hmac_key = hkdf.legacy_metadata_key_hmac_key();
         let hmac: [u8; 32] = hmac_key.calculate_hmac(&plaintext[..NP_LEGACY_METADATA_KEY_LEN]);
-        let ldt = ldt_xts_aes_128::<RustCrypto>(&ldt_key);
+        let ldt_enc = LdtEncrypterXtsAes128::<RustCrypto>::new(&ldt_key);
 
         let padder = salt_padder::<16, RustCrypto>(LegacySalt::from(rng.gen::<[u8; 2]>()));
         let mut ciphertext = plaintext.clone();
-        ldt.encrypt(&mut ciphertext[..], &padder).unwrap();
+        ldt_enc.encrypt(&mut ciphertext[..], &padder).unwrap();
 
         array.push(json!({
             "key_seed": hex::encode_upper(key_seed),
diff --git a/nearby/presence/ldt_np_adv/src/tests.rs b/nearby/presence/ldt_np_adv/src/tests.rs
index b77084b..653e145 100644
--- a/nearby/presence/ldt_np_adv/src/tests.rs
+++ b/nearby/presence/ldt_np_adv/src/tests.rs
@@ -21,26 +21,25 @@
 extern crate alloc;
 
 use crate::{
-    ldt_xts_aes_128, salt_padder, LdtAdvDecryptError, LdtAdvDecrypterAes, LdtXtsAes128, LegacySalt,
-    LDT_XTS_AES_MAX_LEN, NP_LEGACY_METADATA_KEY_LEN,
+    build_np_adv_decrypter_from_key_seed, salt_padder, LdtAdvDecryptError, LdtEncrypterXtsAes128,
+    LdtNpAdvDecrypterXtsAes128, LdtXtsAes128Decrypter, LegacySalt, LDT_XTS_AES_MAX_LEN,
+    NP_LEGACY_METADATA_KEY_LEN,
 };
 use alloc::vec::Vec;
-use crypto_provider::CryptoProvider;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
 use ldt::{DefaultPadder, LdtError, LdtKey, XorPadder};
-use rand_ext::{random_vec, seeded_rng};
+use np_hkdf::NpKeySeedHkdf;
+use rand::Rng;
+use rand_ext::{random_bytes, random_vec, seeded_rng};
 
 #[test]
 fn decrypt_matches_correct_ciphertext() {
-    let mut rng = seeded_rng();
+    let mut rng = CryptoRng::new();
     for _ in 0..1_000 {
-        let test_state = make_test_components::<_, RustCrypto>(&mut rng);
+        let test_state = make_test_components::<RustCrypto>(&mut rng);
 
-        let cipher = LdtAdvDecrypterAes {
-            ldt: test_state.ldt,
-            metadata_key_hmac: test_state.hmac,
-            metadata_key_hmac_key: test_state.hmac_key,
-        };
+        let cipher = build_np_adv_decrypter_from_key_seed(&test_state.hkdf, test_state.hmac);
         let decrypted = cipher
             .decrypt_and_verify(&test_state.ciphertext, &test_state.padder)
             .unwrap();
@@ -51,18 +50,14 @@ fn decrypt_matches_correct_ciphertext() {
 
 #[test]
 fn decrypt_doesnt_match_when_ciphertext_mangled() {
-    let mut rng = seeded_rng();
+    let mut rng = CryptoRng::new();
     for _ in 0..1_000 {
-        let mut test_state = make_test_components::<_, RustCrypto>(&mut rng);
+        let mut test_state = make_test_components::<RustCrypto>(&mut rng);
 
         // mangle the ciphertext
         test_state.ciphertext[0] ^= 0xAA;
 
-        let cipher = LdtAdvDecrypterAes {
-            ldt: test_state.ldt,
-            metadata_key_hmac: test_state.hmac,
-            metadata_key_hmac_key: test_state.hmac_key,
-        };
+        let cipher = build_np_adv_decrypter_from_key_seed(&test_state.hkdf, test_state.hmac);
         assert_eq!(
             Err(LdtAdvDecryptError::MacMismatch),
             cipher.decrypt_and_verify(&test_state.ciphertext, &test_state.padder)
@@ -72,19 +67,14 @@ fn decrypt_doesnt_match_when_ciphertext_mangled() {
 
 #[test]
 fn decrypt_doesnt_match_when_plaintext_doesnt_match_mac() {
-    let mut rng = seeded_rng();
+    let mut rng = CryptoRng::new();
     for _ in 0..1_000 {
-        let mut test_state = make_test_components::<_, RustCrypto>(&mut rng);
+        let mut test_state = make_test_components::<RustCrypto>(&mut rng);
 
         // mangle the mac
         test_state.hmac[0] ^= 0xAA;
 
-        let cipher = LdtAdvDecrypterAes {
-            ldt: test_state.ldt,
-            metadata_key_hmac: test_state.hmac,
-            metadata_key_hmac_key: test_state.hmac_key,
-        };
-
+        let cipher = build_np_adv_decrypter_from_key_seed(&test_state.hkdf, test_state.hmac);
         assert_eq!(
             Err(LdtAdvDecryptError::MacMismatch),
             cipher.decrypt_and_verify(&test_state.ciphertext, &test_state.padder)
@@ -95,15 +85,11 @@ fn decrypt_doesnt_match_when_plaintext_doesnt_match_mac() {
 #[test]
 #[allow(deprecated)]
 fn encrypt_works() {
-    let mut rng = seeded_rng();
+    let mut rng = CryptoRng::new();
     for _ in 0..1_000 {
-        let test_state = make_test_components::<_, RustCrypto>(&mut rng);
+        let test_state = make_test_components::<RustCrypto>(&mut rng);
 
-        let cipher = LdtAdvDecrypterAes {
-            ldt: test_state.ldt,
-            metadata_key_hmac: test_state.hmac,
-            metadata_key_hmac_key: test_state.hmac_key,
-        };
+        let cipher = test_state.ldt_enc;
 
         let mut plaintext_copy = test_state.plaintext.clone();
         cipher
@@ -117,43 +103,34 @@ fn encrypt_works() {
 #[test]
 #[allow(deprecated)]
 fn encrypt_too_short_err() {
-    let ldt = ldt_xts_aes_128::<RustCrypto>(&LdtKey::from_concatenated(&[0; 64]));
-    let adv_cipher = LdtAdvDecrypterAes {
-        ldt,
-        metadata_key_hmac: [0; 32],
-        metadata_key_hmac_key: np_hkdf::NpHmacSha256Key::<RustCrypto>::from([0; 32]),
-    };
+    let ldt_enc = LdtEncrypterXtsAes128::<RustCrypto>::new(&LdtKey::from_concatenated(&[0; 64]));
 
     let mut payload = [0; 7];
     assert_eq!(
         Err(LdtError::InvalidLength(7)),
-        adv_cipher.encrypt(&mut payload, &DefaultPadder::default())
+        ldt_enc.encrypt(&mut payload, &DefaultPadder::default())
     );
 }
 
 #[test]
 #[allow(deprecated)]
 fn encrypt_too_long_err() {
-    let ldt = ldt_xts_aes_128::<RustCrypto>(&LdtKey::from_concatenated(&[0; 64]));
-    let adv_cipher = LdtAdvDecrypterAes {
-        ldt,
-        metadata_key_hmac: [0; 32],
-        metadata_key_hmac_key: np_hkdf::NpHmacSha256Key::<RustCrypto>::from([0; 32]),
-    };
+    let ldt_enc = LdtEncrypterXtsAes128::<RustCrypto>::new(&LdtKey::from_concatenated(&[0; 64]));
 
     let mut payload = [0; 40];
     assert_eq!(
         Err(LdtError::InvalidLength(40)),
-        adv_cipher.encrypt(&mut payload, &DefaultPadder::default())
+        ldt_enc.encrypt(&mut payload, &DefaultPadder::default())
     );
 }
 
 #[test]
 fn decrypt_too_short_err() {
-    let ldt = ldt_xts_aes_128::<RustCrypto>(&LdtKey::from_concatenated(&[0; 64]));
-    let adv_cipher = LdtAdvDecrypterAes {
-        ldt,
-        metadata_key_hmac: [0; 32],
+    let adv_cipher = LdtNpAdvDecrypterXtsAes128 {
+        ldt_decrypter: LdtXtsAes128Decrypter::<RustCrypto>::new(&LdtKey::from_concatenated(
+            &[0; 64],
+        )),
+        metadata_key_tag: [0; 32],
         metadata_key_hmac_key: np_hkdf::NpHmacSha256Key::<RustCrypto>::from([0; 32]),
     };
 
@@ -166,10 +143,11 @@ fn decrypt_too_short_err() {
 
 #[test]
 fn decrypt_too_long_err() {
-    let ldt = ldt_xts_aes_128::<RustCrypto>(&LdtKey::from_concatenated(&[0; 64]));
-    let adv_cipher = LdtAdvDecrypterAes {
-        ldt,
-        metadata_key_hmac: [0; 32],
+    let adv_cipher = LdtNpAdvDecrypterXtsAes128 {
+        ldt_decrypter: LdtXtsAes128Decrypter::<RustCrypto>::new(&LdtKey::from_concatenated(
+            &[0; 64],
+        )),
+        metadata_key_tag: [0; 32],
         metadata_key_hmac_key: np_hkdf::NpHmacSha256Key::<RustCrypto>::from([0; 32]),
     };
 
@@ -181,37 +159,41 @@ fn decrypt_too_long_err() {
 }
 
 /// Returns (plaintext, ciphertext, padder, hmac key, MAC, ldt)
-fn make_test_components<R: rand::Rng, C: crypto_provider::CryptoProvider>(
-    rng: &mut R,
+fn make_test_components<C: crypto_provider::CryptoProvider>(
+    rng: &mut C::CryptoRng,
 ) -> LdtAdvTestComponents<C> {
     // [1, 2) blocks of XTS-AES
-    let payload_len = rng
+    let mut rc_rng = seeded_rng();
+    let payload_len = rc_rng
         .gen_range(crypto_provider::aes::BLOCK_SIZE..=(crypto_provider::aes::BLOCK_SIZE * 2 - 1));
-    let plaintext = random_vec(rng, payload_len);
+    let plaintext = random_vec::<C>(rng, payload_len);
 
-    let salt = LegacySalt { bytes: rng.gen() };
+    let salt = LegacySalt {
+        bytes: random_bytes::<2, C>(rng),
+    };
     let padder = salt_padder::<16, C>(salt);
 
-    let key_seed: [u8; 32] = rng.gen();
+    let key_seed: [u8; 32] = random_bytes::<32, C>(rng);
     let hkdf = np_hkdf::NpKeySeedHkdf::new(&key_seed);
     let ldt_key = hkdf.legacy_ldt_key();
     let hmac_key = hkdf.legacy_metadata_key_hmac_key();
     let hmac: [u8; 32] = hmac_key.calculate_hmac(&plaintext[..NP_LEGACY_METADATA_KEY_LEN]);
 
-    let ldt = ldt_xts_aes_128::<C>(&ldt_key);
+    let ldt_enc = LdtEncrypterXtsAes128::<C>::new(&ldt_key);
 
     let mut ciphertext = [0_u8; LDT_XTS_AES_MAX_LEN];
     ciphertext[..plaintext.len()].copy_from_slice(&plaintext);
-    ldt.encrypt(&mut ciphertext[..plaintext.len()], &padder)
+    ldt_enc
+        .encrypt(&mut ciphertext[..plaintext.len()], &padder)
         .unwrap();
 
     LdtAdvTestComponents {
         plaintext,
         ciphertext: ciphertext[..payload_len].to_vec(),
         padder,
-        hmac_key,
         hmac,
-        ldt,
+        ldt_enc,
+        hkdf,
     }
 }
 
@@ -219,7 +201,7 @@ struct LdtAdvTestComponents<C: CryptoProvider> {
     plaintext: Vec<u8>,
     ciphertext: Vec<u8>,
     padder: XorPadder<{ crypto_provider::aes::BLOCK_SIZE }>,
-    hmac_key: np_hkdf::NpHmacSha256Key<C>,
     hmac: [u8; 32],
-    ldt: LdtXtsAes128<C>,
+    ldt_enc: LdtEncrypterXtsAes128<C>,
+    hkdf: NpKeySeedHkdf<C>,
 }
diff --git a/nearby/presence/ldt_np_adv_ffi/Cargo.lock b/nearby/presence/ldt_np_adv_ffi/Cargo.lock
index 7813931..075e658 100644
--- a/nearby/presence/ldt_np_adv_ffi/Cargo.lock
+++ b/nearby/presence/ldt_np_adv_ffi/Cargo.lock
@@ -9,6 +9,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
 
 [[package]]
+name = "aead"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -20,6 +31,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
 name = "aliasable"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -41,9 +67,15 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base16ct"
-version = "0.1.1"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
+[[package]]
+name = "base64ct"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "bitflags"
@@ -53,36 +85,38 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block-buffer"
-version = "0.9.0"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
 
 [[package]]
-name = "block-buffer"
-version = "0.10.3"
+name = "block-padding"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
 dependencies = [
  "generic-array",
 ]
 
 [[package]]
-name = "block-padding"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a90ec2df9600c28a01c56c4784c9207a96d2451833aeceb8cc97e4c9548bb78"
+name = "bssl-crypto"
+version = "0.1.0"
 dependencies = [
- "generic-array",
+ "bssl-sys",
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
+name = "bssl-sys"
+version = "0.1.0"
+
+[[package]]
+name = "bytes"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "cbc"
@@ -95,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.78"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 
 [[package]]
 name = "cfg-if"
@@ -107,9 +141,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -117,27 +151,27 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
+checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "crypto-bigint"
-version = "0.4.9"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
+checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -149,14 +183,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
 [[package]]
 name = "crypto_provider"
 version = "0.1.0"
+
+[[package]]
+name = "crypto_provider_boringssl"
+version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "bssl-crypto",
+ "crypto_provider",
+ "crypto_provider_stubs",
 ]
 
 [[package]]
@@ -167,30 +208,40 @@ dependencies = [
  "crypto_provider",
  "openssl",
  "ouroboros",
- "rand 0.8.5",
 ]
 
 [[package]]
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
  "ctr",
  "ed25519-dalek",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
 
 [[package]]
+name = "crypto_provider_stubs"
+version = "0.1.0"
+dependencies = [
+ "crypto_provider",
+]
+
+[[package]]
 name = "ctr"
 version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -201,33 +252,27 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
  "zeroize",
 ]
 
 [[package]]
 name = "der"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
 dependencies = [
  "const-oid",
-]
-
-[[package]]
-name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
+ "zeroize",
 ]
 
 [[package]]
@@ -236,49 +281,49 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
+ "pkcs8",
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
+ "rand_core",
  "serde",
- "sha2 0.9.9",
+ "sha2",
  "zeroize",
 ]
 
 [[package]]
 name = "elliptic-curve"
-version = "0.12.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
+checksum = "6ea5a92946e8614bb585254898bb7dd1ddad241ace60c52149e3765e34cc039d"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "digest",
  "ff",
  "generic-array",
  "group",
  "hkdf",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -286,15 +331,21 @@ dependencies = [
 
 [[package]]
 name = "ff"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "foreign-types"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -311,23 +362,13 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "generic-array"
-version = "0.14.6"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "zeroize",
 ]
 
 [[package]]
@@ -338,17 +379,17 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "group"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -367,7 +408,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
@@ -393,8 +434,8 @@ dependencies = [
 name = "ldt"
 version = "0.1.0"
 dependencies = [
+ "crypto_provider",
  "ldt_tbc",
- "rand 0.8.5",
 ]
 
 [[package]]
@@ -413,32 +454,33 @@ dependencies = [
 name = "ldt_np_adv_ffi"
 version = "0.1.0"
 dependencies = [
+ "cfg-if",
  "crypto_provider",
+ "crypto_provider_boringssl",
  "crypto_provider_openssl",
  "crypto_provider_rustcrypto",
- "getrandom 0.2.8",
  "lazy_static",
  "ldt",
  "ldt_np_adv",
  "libc_alloc",
+ "np_hkdf",
  "panic-abort",
- "rand_chacha 0.3.1",
- "spin 0.9.4",
- "zerocopy",
+ "rand",
+ "spin 0.9.8",
 ]
 
 [[package]]
 name = "ldt_tbc"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "crypto_provider",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.141"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
 
 [[package]]
 name = "libc_alloc"
@@ -447,6 +489,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a090348b66d90d8507e30f0d2bd88e5a5c454bd1733fc6d617cbc3471bf69ea"
 
 [[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
+[[package]]
 name = "lock_api"
 version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -467,9 +515,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "opaque-debug"
@@ -479,9 +527,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl"
-version = "0.10.45"
+version = "0.10.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b102428fd03bc5edf97f62620f7298614c45cedf287c271e7ed450bbaf83f2e1"
+checksum = "4d2f106ab837a24e03672c59b1239669a0596406ff657c3c0835b6b7f0f35a33"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -494,22 +542,21 @@ dependencies = [
 
 [[package]]
 name = "openssl-macros"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.13",
 ]
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.80"
+version = "0.9.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7"
+checksum = "3a20eace9dc2d82904039cb76dcf50fb1a0bba071cfd1629720b5d6f1ddba0fa"
 dependencies = [
- "autocfg",
  "cc",
  "libc",
  "pkg-config",
@@ -518,9 +565,9 @@ dependencies = [
 
 [[package]]
 name = "ouroboros"
-version = "0.15.5"
+version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfbb50b356159620db6ac971c6d5c9ab788c9cc38a6f49619fca2a27acb062ca"
+checksum = "e1358bd1558bd2a083fed428ffeda486fbfb323e698cdda7794259d592ca72db"
 dependencies = [
  "aliasable",
  "ouroboros_macro",
@@ -528,40 +575,78 @@ dependencies = [
 
 [[package]]
 name = "ouroboros_macro"
-version = "0.15.5"
+version = "0.15.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a0d9d1a6191c4f391f87219d1ea42b23f09ee84d64763cd05ee6ea88d9f384d"
+checksum = "5f7d21ccd03305a674437ee1248f3ab5d4b1db095cf1caf49f1713ddf61956b7"
 dependencies = [
  "Inflector",
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "p256"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49c124b3cbce43bcbac68c58ec181d98ed6cc7e6d0aa7c3ba97b2563410b0e55"
+checksum = "7270da3e5caa82afd3deb054cc237905853813aea3859544bc082c3fe55b8d47"
 dependencies = [
  "elliptic-curve",
  "primeorder",
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
 name = "panic-abort"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e20e6499bbbc412f280b04a42346b356c6fa0753d5fd22b7bd752ff34c778ee"
 
 [[package]]
+name = "pkcs8"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d2820d87d2b008616e5c27212dd9e0e694fb4c6b522de06094106813328cb49"
+dependencies = [
+ "der",
+ "spki",
+]
+
+[[package]]
 name = "pkg-config"
 version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -569,9 +654,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "primeorder"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54f7131b3dba65a2f414cf5bd25b66d4682e4608610668eae785750ba4c5b2"
+checksum = "7613fdcc0831c10060fa69833ea8fa2caa94b6456f51e25356a885b530a2e3d0"
 dependencies = [
  "elliptic-curve",
 ]
@@ -585,7 +670,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "version_check",
 ]
 
@@ -602,54 +687,31 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.50"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
+checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.23"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -659,16 +721,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -677,24 +730,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
-]
-
-[[package]]
-name = "rand_core_05_adapter"
-version = "0.1.0"
-dependencies = [
- "rand 0.8.5",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
@@ -705,9 +741,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "sec1"
-version = "0.3.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
 dependencies = [
  "base16ct",
  "der",
@@ -718,22 +754,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.152"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
-
-[[package]]
-name = "sha2"
-version = "0.9.9"
+version = "1.0.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
+checksum = "3c04e8343c3daeec41f58990b9d77068df31209f2af111e059e9fe9646693065"
 
 [[package]]
 name = "sha2"
@@ -743,14 +766,14 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "spin"
@@ -760,14 +783,24 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "spin"
-version = "0.9.4"
+version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 dependencies = [
  "lock_api",
 ]
 
 [[package]]
+name = "spki"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0445c905640145c7ea8c1993555957f65e7c46d0535b91ba501bc9bfc85522f"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
+[[package]]
 name = "subtle"
 version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -775,9 +808,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.107"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -785,15 +818,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
+name = "syn"
+version = "2.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -804,15 +836,19 @@ checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "vcpkg"
@@ -828,25 +864,18 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "x25519-dalek"
-version = "2.0.0-pre.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
 dependencies = [
  "curve25519-dalek",
- "rand_core 0.6.4",
- "zeroize",
+ "rand_core",
 ]
 
 [[package]]
@@ -859,43 +888,7 @@ dependencies = [
 ]
 
 [[package]]
-name = "zerocopy"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "332f188cc1bcf1fe1064b8c58d150f497e697f49774aa846f2dc949d9a25f236"
-dependencies = [
- "byteorder",
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6505e6815af7de1746a08f69c69606bb45695a17149517680f3b2149713b19a3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
 name = "zeroize"
-version = "1.5.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
+checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
diff --git a/nearby/presence/ldt_np_adv_ffi/Cargo.toml b/nearby/presence/ldt_np_adv_ffi/Cargo.toml
index 2afedab..d53809f 100644
--- a/nearby/presence/ldt_np_adv_ffi/Cargo.toml
+++ b/nearby/presence/ldt_np_adv_ffi/Cargo.toml
@@ -8,27 +8,32 @@ publish = false
 crypto_provider = { path = "../../crypto/crypto_provider" }
 crypto_provider_openssl = {path = "../../crypto/crypto_provider_openssl", optional = true}
 crypto_provider_rustcrypto = {path = "../../crypto/crypto_provider_rustcrypto", optional = true}
+crypto_provider_boringssl = {path = "../../crypto/crypto_provider_boringssl", optional = true}
 ldt = { path = "../ldt" }
 ldt_np_adv = { path = "../ldt_np_adv" }
+np_hkdf = {path = "../np_hkdf"}
 
-zerocopy = "0.6.1"
+cfg-if = "1.0.0"
+lazy_static = { version = "1.4.0"}
+
+# no_std only deps
 libc_alloc = {version = "1.0.4", optional = true }
 panic-abort = { version = "0.3.2", optional = true }
-lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
-spin = "0.9.4"
-rand_chacha = { version = "0.3.1", default-features = false }
-getrandom = "0.2.8"
+spin = {version = "0.9.8", optional = true }
+
+[dev-dependencies]
+rand = "0.8.5"
 
 [lib]
-crate-type = ["cdylib", "staticlib"]
+# boringssl and bssl-sys are built as a static lib, so we need to as well
+crate-type = ["staticlib"]
 
 [features]
-default = ["rustcrypto", "std"]
-std = []
-# default to rustcrypto primitives, but use this feature to flip to openssl
-# based implementations, openssl required std library
-openssl = ["std", "dep:crypto_provider_openssl"]
-rustcrypto = ["dep:crypto_provider_rustcrypto"]
+# by default we support no_std and use rustcrypto primitives
+default = ["lazy_static/spin_no_std", "spin", "libc_alloc", "panic-abort", "crypto_provider_rustcrypto"]
+std = ["crypto_provider_rustcrypto", "crypto_provider_rustcrypto/std"]
+openssl = ["crypto_provider_openssl"]
+boringssl = ["crypto_provider_boringssl"]
 
 [profile.release-min-size]
 inherits = "release"
diff --git a/nearby/presence/ldt_np_adv_ffi/deny.toml b/nearby/presence/ldt_np_adv_ffi/deny.toml
index 1bb46b5..07381d1 100644
--- a/nearby/presence/ldt_np_adv_ffi/deny.toml
+++ b/nearby/presence/ldt_np_adv_ffi/deny.toml
@@ -79,9 +79,6 @@ allow = [
     "MIT",
     "Apache-2.0",
     "BSD-3-Clause",
-    "BSD-2-Clause",
-    "Unicode-DFS-2016",
-    "Unlicense"
 ]
 # List of explicitly disallowed licenses
 # See https://spdx.org/licenses/ for list of possible licenses
diff --git a/nearby/presence/ldt_np_adv_ffi/include/np_ldt.h b/nearby/presence/ldt_np_adv_ffi/include/np_ldt.h
index 02bbe7d..13af781 100644
--- a/nearby/presence/ldt_np_adv_ffi/include/np_ldt.h
+++ b/nearby/presence/ldt_np_adv_ffi/include/np_ldt.h
@@ -19,9 +19,6 @@
 //
 // [1] https://eprint.iacr.org/2017/841.pdf
 
-// TODO pluggable memory allocation for embedded
-
-// TODO include guard name based on final file location
 #ifndef NP_LDT_H_
 #define NP_LDT_H_
 
@@ -35,23 +32,34 @@ extern "C" {
 // Individual encrypt/decrypt API, useful when creating advertisements or when
 // decrypting advertisements from a known origin
 
-// Handle for accessing the rust ldt implementation apis
-typedef uint64_t NpLdtHandle;
-
 // Key material from the Nearby Presence credential from which keys will be
 // derived.
 typedef struct {
   uint8_t bytes[32];
 } NpLdtKeySeed;
 
+// The calculated hmac key used for verifying successful decryption of
+// credential metadata
 typedef struct{
   uint8_t bytes[32];
 } NpMetadataKeyHmac;
 
+// The big-endian  2 byte salt which will be incorporated into the tweaks LDT
+// uses while encrypting.
 typedef struct {
   uint8_t bytes[2];
 } NpLdtSalt;
 
+// The allocated handle to use for encryption
+typedef struct {
+  uint64_t handle;
+} NpLdtEncryptHandle;
+
+// The allocated handle to use for decryption
+typedef struct {
+  uint64_t handle;
+} NpLdtDecryptHandle;
+
 // Possible result codes returned from the LDT NP APIs
 typedef enum {
   // Call to api was successful
@@ -64,20 +72,33 @@ typedef enum {
   NP_LDT_INVALID_HANDLE = -3
 } NP_LDT_RESULT;
 
-// Allocate an LDT-XTS-AES128 cipher using the "swap" mix function.
+// Allocate an LDT-XTS-AES128 Decryption cipher using the "swap" mix function.
 //
-// `aes_config` defines the AES impl that will be used.
 // `key_seed` is the key material from the Nearby Presence credential from which
 // the LDT key will be derived.
+// 'hmac_tag' is the hmac auth tag calculated on the metadata key used to verify
+// decryption was successful
 //
 // Returns 0 on error, or a non-zero handle on success.
-NpLdtHandle NpLdtCreate(NpLdtKeySeed key_seed, NpMetadataKeyHmac known_hmac);
+NpLdtDecryptHandle NpLdtDecryptCreate(NpLdtKeySeed key_seed, NpMetadataKeyHmac hmac_tag);
+
+// Allocate an LDT-XTS-AES128 Encryption cipher using the "swap" mix function.
+//
+// `key_seed` is the key material from the Nearby Presence credential from which
+// the LDT key will be derived.
+//
+// Returns 0 on error, or a non-zero handle on success.
+NpLdtEncryptHandle NpLdtEncryptCreate(NpLdtKeySeed key_seed);
+
+// Release allocated resources for an NpLdtEncryptHandle
+//
+// Returns 0 on success or an NP_LDT_RESULT error code on failure
+NP_LDT_RESULT NpLdtEncryptClose(NpLdtEncryptHandle handle);
 
-// Release resources for an NpLdtHandle allocated by
-// `np_ldt_create_xts_aes_128`.
+// Release allocated resources for an NpLdtDecryptHandle
 //
 // Returns 0 on success or an NP_LDT_RESULT error code on failure
-NP_LDT_RESULT NpLdtClose(NpLdtHandle handle);
+NP_LDT_RESULT NpLdtDecryptClose(NpLdtDecryptHandle handle);
 
 // Encrypt a 16-31 byte buffer in-place.
 //
@@ -88,7 +109,7 @@ NP_LDT_RESULT NpLdtClose(NpLdtHandle handle);
 //
 // Returns 0 on success, in which case `buffer` will now contain ciphertext.
 // Returns an NP_LDT_RESULT error code on failure
-NP_LDT_RESULT NpLdtEncrypt(NpLdtHandle handle, uint8_t* buffer, size_t buffer_len,
+NP_LDT_RESULT NpLdtEncrypt(NpLdtEncryptHandle handle, uint8_t* buffer, size_t buffer_len,
                      NpLdtSalt salt);
 
 // Decrypt a 16-31 byte buffer in-place and verify the plaintext metadata key matches
@@ -102,9 +123,9 @@ NP_LDT_RESULT NpLdtEncrypt(NpLdtHandle handle, uint8_t* buffer, size_t buffer_le
 //
 // Returns 0 on success, in which case `buffer` will now contain plaintext.
 // Returns an NP_LDT_RESULT error code on failure
-/// - If the buffer has an invalid length
-/// - If the decrypted plaintext fails its HMAC validation
-NP_LDT_RESULT NpLdtDecryptAndVerify(NpLdtHandle handle, uint8_t* buffer, size_t buffer_len,
+// - If the buffer has an invalid length
+// - If the decrypted plaintext fails its HMAC validation
+NP_LDT_RESULT NpLdtDecryptAndVerify(NpLdtDecryptHandle handle, uint8_t* buffer, size_t buffer_len,
                      NpLdtSalt salt);
 
 #ifdef __cplusplus
diff --git a/nearby/presence/ldt_np_adv_ffi/src/handle_map.rs b/nearby/presence/ldt_np_adv_ffi/src/handle_map.rs
new file mode 100644
index 0000000..9d83c19
--- /dev/null
+++ b/nearby/presence/ldt_np_adv_ffi/src/handle_map.rs
@@ -0,0 +1,126 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use crate::Box;
+use crate::LdtAdvDecrypter;
+use crate::LdtAdvEncrypter;
+use core::marker::PhantomData;
+use crypto_provider::{CryptoProvider, CryptoRng};
+use lazy_static::lazy_static;
+
+// Pull in the needed deps for std vs no_std
+cfg_if::cfg_if! {
+    // Test pulls in std which causes duplicate errors
+    if #[cfg(any(feature = "std", test, feature = "boringssl", feature = "openssl"))] {
+        use std::sync::{Mutex, MutexGuard};
+        use std::collections::HashMap;
+
+        /// Trait for implementing the map used to store valid handles for accessing the LDT Adv ciphers
+        pub(crate) struct HandleMap<T> {
+            _marker: PhantomData<T>,
+            map: HashMap<u64, T>,
+        }
+
+        impl<T> HandleMap<T> {
+            /// initialized the map
+            pub(crate) fn init() -> Self {
+                Self {
+                    _marker: Default::default(),
+                    map: HashMap::new(),
+                }
+            }
+        }
+
+        // returns a thread safe instance of the global static hashmap tracking the cipher handles
+        pub (crate) fn get_enc_handle_map() -> MutexGuard<'static, HandleMap<Box<LdtAdvEncrypter>>> {
+            // Note even in the case of an error, the lock is still acquired, it just means whichever
+            // thread was holding it panicked, we will continue on as either way we acquired the lock
+            ENCRYPT_HANDLE_MAP
+                .lock()
+                .unwrap_or_else(|err_guard| err_guard.into_inner())
+        }
+
+        // returns a thread safe instance of the global static hashmap tracking the cipher handles
+        pub (crate) fn get_dec_handle_map() -> MutexGuard<'static, HandleMap<Box<LdtAdvDecrypter>>> {
+            // Note even in the case of an error, the lock is still acquired, it just means whichever
+            // thread was holding it panicked, we will continue on as either way we acquired the lock
+            DECRYPT_HANDLE_MAP
+                .lock()
+                .unwrap_or_else(|err_guard| err_guard.into_inner())
+        }
+    } else {
+        use spin::{Mutex, MutexGuard};
+        use  alloc::collections::BTreeMap;
+        /// Trait for implementing the map used to store valid handles for accessing the LDT Adv ciphers
+        pub(crate) struct HandleMap<T> {
+            _marker: PhantomData<T>,
+            map: BTreeMap<u64, T>,
+        }
+
+        impl<T> HandleMap<T> {
+            /// initialized the map
+            pub(crate) fn init() -> Self {
+                Self {
+                    _marker: Default::default(),
+                    map: BTreeMap::new(),
+                }
+            }
+        }
+
+        // returns a thread safe instance of the global static hashmap tracking the cipher handles
+        pub (crate) fn get_enc_handle_map() -> MutexGuard<'static, HandleMap<Box<LdtAdvEncrypter>>> {
+            ENCRYPT_HANDLE_MAP.lock()
+        }
+
+        // returns a thread safe instance of the global static hashmap tracking the cipher handles
+        pub (crate) fn get_dec_handle_map() -> MutexGuard<'static, HandleMap<Box<LdtAdvDecrypter>>> {
+            DECRYPT_HANDLE_MAP.lock()
+        }
+    }
+}
+
+// Global hashmap to track valid pointers, this is a safety precaution to make sure we are not
+// reading from unsafe memory address's passed in by caller.
+lazy_static! {
+    static ref ENCRYPT_HANDLE_MAP: Mutex<HandleMap<Box<LdtAdvEncrypter>>> =
+        Mutex::new(HandleMap::init());
+    static ref DECRYPT_HANDLE_MAP: Mutex<HandleMap<Box<LdtAdvDecrypter>>> =
+        Mutex::new(HandleMap::init());
+}
+
+impl<T> HandleMap<T> {
+    /// inserts an entry into the map and returns the randomly generated handle to the entry
+    pub(crate) fn insert<C: CryptoProvider>(&mut self, data: T) -> u64 {
+        let mut rng = C::CryptoRng::new();
+        let mut handle: u64 = rng.next_u64();
+
+        while self.map.contains_key(&handle) {
+            handle = rng.next_u64();
+        }
+
+        // insert should always be None since we checked above that the key does not already exist
+        assert!(self.map.insert(handle, data).is_none());
+        handle
+    }
+
+    /// Removes an entry at a given handle returning an Option of the owned value
+    pub(crate) fn remove(&mut self, handle: &u64) -> Option<T> {
+        self.map.remove(handle)
+    }
+
+    /// Gets a reference to the entry stored at the specified handle
+    pub(crate) fn get(&self, handle: &u64) -> Option<&T> {
+        self.map.get(handle)
+    }
+}
diff --git a/nearby/presence/ldt_np_adv_ffi/src/lib.rs b/nearby/presence/ldt_np_adv_ffi/src/lib.rs
index 64b829f..7b440e4 100644
--- a/nearby/presence/ldt_np_adv_ffi/src/lib.rs
+++ b/nearby/presence/ldt_np_adv_ffi/src/lib.rs
@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 #![no_std]
 #![deny(
     missing_docs,
@@ -25,46 +26,53 @@
 
 //! Rust ffi wrapper of ldt_np_adv, can be called from C/C++ Clients
 
-#[cfg(test)]
-mod tests;
+mod handle_map;
 
-// Allow using Box in no_std
 extern crate alloc;
 
-// if the std feature is turned on we will bring in the std library for allocating and panicking
-#[cfg(feature = "std")]
-extern crate std;
-
-// Test pulls in std which causes duplicate errors
-#[cfg(not(test))]
-#[cfg(not(feature = "std"))]
-mod no_std;
-
-use alloc::{boxed::Box, collections::btree_map::BTreeMap};
+use crate::handle_map::get_dec_handle_map;
+use alloc::boxed::Box;
 use core::slice;
-use lazy_static::lazy_static;
-use ldt_np_adv::*;
-use rand_chacha::{
-    rand_core::{RngCore, SeedableRng},
-    ChaCha20Rng,
+use handle_map::get_enc_handle_map;
+use ldt_np_adv::{
+    build_np_adv_decrypter_from_key_seed, salt_padder, LdtAdvDecryptError, LdtEncrypterXtsAes128,
+    LdtNpAdvDecrypterXtsAes128, LegacySalt,
 };
-use zerocopy::{AsBytes, FromBytes, LayoutVerified, Unaligned};
-
-#[cfg(feature = "openssl")]
-use crypto_provider_openssl::Openssl as CryptoProviderImpl;
-
-#[cfg(not(feature = "openssl"))]
-use crypto_provider_rustcrypto::RustCrypto as CryptoProviderImpl;
-
-type LdtAdvDecrypterAes128 = LdtAdvDecrypterAes<CryptoProviderImpl>;
+use np_hkdf::NpKeySeedHkdf;
+
+// Pull in the needed deps for std vs no_std
+cfg_if::cfg_if! {
+    // Test pulls in std which causes duplicate errors
+    if #[cfg(any(feature = "std", test, feature = "boringssl", feature = "openssl"))] {
+        extern crate std;
+    } else {
+        // Allow using Box in no_std
+        mod no_std;
+    }
+}
 
-// Global hashmap to track valid pointers, this is a safety precaution to make sure we are not
-// reading from unsafe memory address's passed in by caller.
-lazy_static! {
-    static ref HANDLE_MAP: spin::Mutex<BTreeMap<u64, Box<LdtAdvDecrypterAes128>>> =
-        spin::Mutex::new(BTreeMap::new());
+// Fail early for invalid combination of feature flags, we need at least one crypto library specified
+#[cfg(all(
+    not(feature = "openssl"),
+    not(feature = "crypto_provider_rustcrypto"),
+    not(feature = "boringssl")
+))]
+compile_error!("Either the \"openssl\", \"boringssl\"or \"default\" features flag needs to be set in order to specify cryptographic library");
+
+// Need to have one of the crypto provider impls
+cfg_if::cfg_if! {
+    if #[cfg(feature = "openssl")] {
+        use crypto_provider_openssl::Openssl as CryptoProviderImpl;
+    } else if #[cfg(feature = "boringssl")]{
+        use crypto_provider_boringssl::Boringssl as CryptoProviderImpl;
+    } else {
+        use crypto_provider_rustcrypto::RustCrypto as CryptoProviderImpl;
+    }
 }
 
+pub(crate) type LdtAdvDecrypter = LdtNpAdvDecrypterXtsAes128<CryptoProviderImpl>;
+pub(crate) type LdtAdvEncrypter = LdtEncrypterXtsAes128<CryptoProviderImpl>;
+
 const SUCCESS: i32 = 0;
 
 #[repr(C)]
@@ -77,48 +85,58 @@ struct NpMetadataKeyHmac {
     bytes: [u8; 32],
 }
 
-#[derive(Unaligned, FromBytes, AsBytes, Debug, PartialEq)]
 #[repr(C)]
-struct NpLdtAesBlock {
-    bytes: [u8; 16],
+struct NpLdtSalt {
+    bytes: [u8; 2],
 }
 
 #[repr(C)]
-struct NpLdtSalt {
-    bytes: [u8; 2],
+struct NpLdtEncryptHandle {
+    handle: u64,
+}
+
+#[repr(C)]
+struct NpLdtDecryptHandle {
+    handle: u64,
 }
 
 #[no_mangle]
-extern "C" fn NpLdtCreate(key_seed: NpLdtKeySeed, metadata_key_hmac: NpMetadataKeyHmac) -> u64 {
-    // check the alignment of the platform, if it is wrong return 0
-    let mut test_block = [0u8; 16];
-    if LayoutVerified::<&mut [u8], NpLdtAesBlock>::new_unaligned(test_block.as_mut_slice())
-        .is_none()
-    {
-        return 0;
-    }
+extern "C" fn NpLdtDecryptCreate(
+    key_seed: NpLdtKeySeed,
+    metadata_key_hmac: NpMetadataKeyHmac,
+) -> NpLdtDecryptHandle {
+    let cipher = build_np_adv_decrypter_from_key_seed(
+        &NpKeySeedHkdf::new(&key_seed.bytes),
+        metadata_key_hmac.bytes,
+    );
+    let handle = get_dec_handle_map().insert::<CryptoProviderImpl>(Box::new(cipher));
+    NpLdtDecryptHandle { handle }
+}
 
-    let ldt_adv_cipher_config = LdtAdvCipherConfig::new(key_seed.bytes, metadata_key_hmac.bytes);
-    let cipher = ldt_adv_cipher_config.build_adv_decrypter_xts_aes_128::<CryptoProviderImpl>();
+#[no_mangle]
+extern "C" fn NpLdtEncryptCreate(key_seed: NpLdtKeySeed) -> NpLdtEncryptHandle {
+    let cipher = LdtAdvEncrypter::new(
+        &NpKeySeedHkdf::<CryptoProviderImpl>::new(&key_seed.bytes).legacy_ldt_key(),
+    );
+    let handle = get_enc_handle_map().insert::<CryptoProviderImpl>(Box::new(cipher));
+    NpLdtEncryptHandle { handle }
+}
 
-    let mut seed = [0u8; 32];
-    getrandom::getrandom(&mut seed)
-        .map(|_| {
-            let mut rng = ChaCha20Rng::from_seed(seed);
-            let handle: u64 = rng.next_u64();
-            let cipher = Box::new(cipher);
-            HANDLE_MAP.lock().insert(handle, cipher);
-            handle
-        })
-        .unwrap_or(0)
+#[no_mangle]
+extern "C" fn NpLdtEncryptClose(handle: NpLdtEncryptHandle) -> i32 {
+    map_to_error_code(|| {
+        get_enc_handle_map()
+            .remove(&handle.handle)
+            .ok_or(CloseCipherError::InvalidHandle)
+            .map(|_| 0)
+    })
 }
 
 #[no_mangle]
-extern "C" fn NpLdtClose(handle: u64) -> i32 {
+extern "C" fn NpLdtDecryptClose(handle: NpLdtDecryptHandle) -> i32 {
     map_to_error_code(|| {
-        HANDLE_MAP
-            .lock()
-            .remove(&handle)
+        get_dec_handle_map()
+            .remove(&handle.handle)
             .ok_or(CloseCipherError::InvalidHandle)
             .map(|_| 0)
     })
@@ -129,7 +147,7 @@ extern "C" fn NpLdtClose(handle: u64) -> i32 {
 // and get rid of this.
 #[allow(deprecated)]
 extern "C" fn NpLdtEncrypt(
-    handle: u64,
+    handle: NpLdtEncryptHandle,
     buffer: *mut u8,
     buffer_len: usize,
     salt: NpLdtSalt,
@@ -137,9 +155,8 @@ extern "C" fn NpLdtEncrypt(
     map_to_error_code(|| {
         let data = unsafe { slice::from_raw_parts_mut(buffer, buffer_len) };
         let padder = salt_padder::<16, CryptoProviderImpl>(LegacySalt::from(salt.bytes));
-        HANDLE_MAP
-            .lock()
-            .get(&handle)
+        get_enc_handle_map()
+            .get(&handle.handle)
             .map(|cipher| {
                 cipher
                     .encrypt(data, &padder)
@@ -154,7 +171,7 @@ extern "C" fn NpLdtEncrypt(
 
 #[no_mangle]
 extern "C" fn NpLdtDecryptAndVerify(
-    handle: u64,
+    handle: NpLdtDecryptHandle,
     buffer: *mut u8,
     buffer_len: usize,
     salt: NpLdtSalt,
@@ -162,9 +179,9 @@ extern "C" fn NpLdtDecryptAndVerify(
     map_to_error_code(|| {
         let data = unsafe { slice::from_raw_parts_mut(buffer, buffer_len) };
         let padder = salt_padder::<16, CryptoProviderImpl>(LegacySalt::from(salt.bytes));
-        HANDLE_MAP
-            .lock()
-            .get(&handle)
+
+        get_dec_handle_map()
+            .get(&handle.handle)
             .map(|cipher| {
                 cipher
                     .decrypt_and_verify(data, &padder)
diff --git a/nearby/presence/ldt_np_adv_ffi/src/no_std.rs b/nearby/presence/ldt_np_adv_ffi/src/no_std.rs
index 64c1c9c..34a16ef 100644
--- a/nearby/presence/ldt_np_adv_ffi/src/no_std.rs
+++ b/nearby/presence/ldt_np_adv_ffi/src/no_std.rs
@@ -25,6 +25,7 @@ static ALLOCATOR: LibcAlloc = LibcAlloc;
 extern "C" fn eh_personality() {}
 
 #[alloc_error_handler]
+#[allow(clippy::panic)]
 fn default_handler(layout: core::alloc::Layout) -> ! {
     panic!("memory allocation of {} bytes failed", layout.size())
 }
diff --git a/nearby/presence/ldt_np_adv_ffi/src/tests.rs b/nearby/presence/ldt_np_adv_ffi/src/tests.rs
deleted file mode 100644
index 5f87023..0000000
--- a/nearby/presence/ldt_np_adv_ffi/src/tests.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2022 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#![allow(clippy::unwrap_used)]
-
-use crate::NpLdtAesBlock;
-use zerocopy::LayoutVerified;
-
-#[test]
-fn test_platform_alignment() {
-    let mut test_block = [0u8; 16];
-    assert_eq!(
-        NpLdtAesBlock { bytes: test_block },
-        LayoutVerified::<&mut [u8], NpLdtAesBlock>::new_unaligned(test_block.as_mut_slice())
-            .unwrap()
-            .read()
-    );
-}
-
-#[test]
-fn test_invalid_platform_alignment() {
-    let mut test_block = [0u8; 17];
-    assert_eq!(
-        None,
-        LayoutVerified::<&mut [u8], NpLdtAesBlock>::new_unaligned(test_block.as_mut_slice())
-    );
-}
diff --git a/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_bad_mac.c b/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_bad_mac.c
index 3e8e6ac..18abb0f 100644
--- a/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_bad_mac.c
+++ b/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_bad_mac.c
@@ -53,23 +53,30 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   memcpy(&metadata_key_hmac.bytes, data + 32 + 2 + 31 + 1, 32);
 
   // create a cipher
-  NpLdtHandle handle = NpLdtCreate(key_seed, metadata_key_hmac);
-  if (handle == 0) {
-    printf("Error: create LDT\n");
+  NpLdtEncryptHandle enc_handle = NpLdtEncryptCreate(key_seed);
+  if (enc_handle.handle == 0) {
+    printf("Error: create LDT failed\n");
     __builtin_trap();
     return 0;
   }
 
   // encrypt with it
-  NP_LDT_RESULT result = NpLdtEncrypt(handle, payload, payload_len, salt);
+  NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, payload, payload_len, salt);
   if (result != 0) {
     printf("Error: encrypt\n");
     __builtin_trap();
     return 0;
   }
 
+  NpLdtDecryptHandle dec_handle = NpLdtDecryptCreate(key_seed, metadata_key_hmac);
+  if (dec_handle.handle == 0) {
+    printf("Error: create LDT failed\n");
+    __builtin_trap();
+    return 0;
+  }
+
   // decrypt & verify -- we expect mac mismatch since we're using a random mac
-  result = NpLdtDecryptAndVerify(handle, payload, payload_len, salt);
+  result = NpLdtDecryptAndVerify(dec_handle, payload, payload_len, salt);
   if (result != -2) {
     printf("Error: decryption didn't fail with the expected MAC mismatch\n");
     __builtin_trap();
@@ -77,12 +84,19 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   }
 
   // deallocate the cipher
-  result = NpLdtClose(handle);
+  result = NpLdtEncryptClose(enc_handle);
   if (result) {
     printf("Error: close cipher\n");
     __builtin_trap();
     return result;
   }
 
+  result = NpLdtDecryptClose(dec_handle);
+  if (result) {
+    printf("Error: close cipher failed\n");
+    __builtin_trap();
+    return result;
+  }
+
   return 0;  // Values other than 0 and -1 are reserved for future use.
 }
diff --git a/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_correct_mac.c b/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_correct_mac.c
index 7d16894..e99a7e8 100644
--- a/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_correct_mac.c
+++ b/nearby/presence/ldt_np_adv_ffi_fuzz/src/fuzzer_decrypt_correct_mac.c
@@ -96,31 +96,45 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
        metadata_key_hmac.bytes, &md_len);
 
   // create a cipher
-  NpLdtHandle handle = NpLdtCreate(key_seed, metadata_key_hmac);
-  if (handle == 0) {
+  NpLdtEncryptHandle enc_handle = NpLdtEncryptCreate(key_seed);
+  if (enc_handle.handle == 0) {
     printf("Error: create LDT failed\n");
     __builtin_trap();
     return 0;
   }
 
   // encrypt with it
-  NP_LDT_RESULT result = NpLdtEncrypt(handle, payload, payload_len, salt);
+  NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, payload, payload_len, salt);
   if (result != 0) {
     printf("Error: encrypt\n");
     __builtin_trap();
     return 0;
   }
 
+  NpLdtDecryptHandle dec_handle = NpLdtDecryptCreate(key_seed, metadata_key_hmac);
+  if (dec_handle.handle == 0) {
+    printf("Error: create LDT failed\n");
+    __builtin_trap();
+    return 0;
+  }
+
   // decrypt & verify -- we expect mac mismatch since we're using a random mac
-  result = NpLdtDecryptAndVerify(handle, payload, payload_len, salt);
+  result = NpLdtDecryptAndVerify(dec_handle, payload, payload_len, salt);
   if (result != 0) {
     printf("Error: decryption failed\n");
     __builtin_trap();
     return 0;
   }
 
-  // deallocate the cipher
-  result = NpLdtClose(handle);
+  // deallocate the ciphers
+  result = NpLdtEncryptClose(enc_handle);
+  if (result) {
+    printf("Error: close cipher failed\n");
+    __builtin_trap();
+    return result;
+  }
+
+  result = NpLdtDecryptClose(dec_handle);
   if (result) {
     printf("Error: close cipher failed\n");
     __builtin_trap();
diff --git a/nearby/presence/ldt_np_c_sample/CMakeLists.txt b/nearby/presence/ldt_np_c_sample/CMakeLists.txt
index b4d149a..58b6f6f 100644
--- a/nearby/presence/ldt_np_c_sample/CMakeLists.txt
+++ b/nearby/presence/ldt_np_c_sample/CMakeLists.txt
@@ -24,7 +24,7 @@ ExternalProject_Add(
     ldt_np_adv_ffi
     DOWNLOAD_COMMAND ""
     CONFIGURE_COMMAND ""
-    BUILD_COMMAND cargo build COMMAND cargo build --release
+    BUILD_COMMAND cargo build COMMAND cargo build --release --no-default-features --features std
     BINARY_DIR "${CMAKE_SOURCE_DIR}/ldt_np_adv_ffi"
     INSTALL_COMMAND "")
 
diff --git a/nearby/presence/ldt_np_c_sample/main.c b/nearby/presence/ldt_np_c_sample/main.c
index 4bfbb79..1ae9244 100644
--- a/nearby/presence/ldt_np_c_sample/main.c
+++ b/nearby/presence/ldt_np_c_sample/main.c
@@ -41,11 +41,10 @@ int main()
         {12, 15}
     };
 
-    // Create handle
-    NpLdtHandle handle = NpLdtCreate(*key_seed, *known_hmac);
-    if (handle == 0)
+    // Create handle for encryption
+    NpLdtEncryptHandle enc_handle = NpLdtEncryptCreate(*key_seed);
+    if (enc_handle.handle == 0)
     {
-        printf("Invalid alignment\n");
         return -1;
     }
 
@@ -57,7 +56,7 @@ int main()
     printf("\n");
 
     // Encrypt the data and print it
-    NP_LDT_RESULT result = NpLdtEncrypt(handle, plaintext, 24, salt);
+    NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, plaintext, 24, salt);
     if (result)
     {
         printf("Error in NpLdtEncrypt: %d\n", result);
@@ -69,8 +68,15 @@ int main()
         printf("%X ", *(plaintext + i));
     printf("\n");
 
+    // Create handle for encryption
+    NpLdtDecryptHandle dec_handle = NpLdtDecryptCreate(*key_seed, *known_hmac);
+    if (enc_handle.handle == 0)
+    {
+        return -1;
+    }
+
     // Decrypt the data and print its bytes
-    result = NpLdtDecryptAndVerify(handle, plaintext, 24, salt);
+    result = NpLdtDecryptAndVerify(dec_handle, plaintext, 24, salt);
     if (result)
     {
         printf("Error in NpDecryptAndVerify: %d\n", result);
@@ -83,7 +89,15 @@ int main()
     printf("\n");
 
     // Call NpLdtClose to free resources
-    result = NpLdtClose(handle);
+    result = NpLdtEncryptClose(enc_handle);
+    if (result)
+    {
+        printf("Error in NpLdtClose: %d\n", result);
+        return result;
+    }
+
+    // Call NpLdtClose to free resources
+    result = NpLdtDecryptClose(dec_handle);
     if (result)
     {
         printf("Error in NpLdtClose: %d\n", result);
diff --git a/nearby/presence/ldt_np_c_sample/tests/benchmarks.cc b/nearby/presence/ldt_np_c_sample/tests/benchmarks.cc
index 652a5b4..fbd20a8 100644
--- a/nearby/presence/ldt_np_c_sample/tests/benchmarks.cc
+++ b/nearby/presence/ldt_np_c_sample/tests/benchmarks.cc
@@ -12,11 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifdef BLAZE
-#include "third_party/benchmark/include/benchmark/benchmark.h"
-#else
 #include <benchmark/benchmark.h>
-#endif
 #include <ctime>
 
 #include "np_ldt.h"
@@ -41,7 +37,7 @@ public:
     size_t payload_len;
     uint8_t* payload;
     NpLdtSalt* salt;
-    vector<NpLdtHandle> handles;
+    vector<tuple<NpLdtEncryptHandle, NpLdtDecryptHandle>> handles;
     vector<tuple<NpLdtKeySeed*, NpMetadataKeyHmac*>> configs;
 
     void SetUp(const ::benchmark::State& state)
@@ -67,21 +63,18 @@ private:
     {
         for(int i = 0; i < num_ciphers; i++)
         {
-            NpLdtHandle handle = buildCipherFromRand();
-            handles.push_back(handle);
-        }
-    }
+            NpLdtKeySeed* key_seed = (NpLdtKeySeed*) malloc(sizeof(NpLdtKeySeed));
+            NpMetadataKeyHmac* known_hmac = (NpMetadataKeyHmac*) malloc(sizeof(NpMetadataKeyHmac));
 
-    NpLdtHandle buildCipherFromRand()
-    {
-        NpLdtKeySeed* key_seed = (NpLdtKeySeed*) malloc(sizeof(NpLdtKeySeed));
-        NpMetadataKeyHmac* known_hmac = (NpMetadataKeyHmac*) malloc(sizeof(NpMetadataKeyHmac));
+            generateRandomBytes(key_seed->bytes, 32);
+            generateRandomBytes(known_hmac->bytes, 32);
 
-        generateRandomBytes(key_seed->bytes, 32);
-        generateRandomBytes(known_hmac->bytes, 32);
+            configs.push_back(tuple<NpLdtKeySeed*, NpMetadataKeyHmac*>(key_seed, known_hmac));
+            auto enc_handle = NpLdtEncryptCreate(*key_seed);
+            auto dec_handle = NpLdtDecryptCreate(*key_seed, *known_hmac);
 
-        configs.push_back(tuple<NpLdtKeySeed*, NpMetadataKeyHmac*>(key_seed, known_hmac));
-        return NpLdtCreate(*key_seed, *known_hmac);
+            handles.push_back(tuple<NpLdtEncryptHandle, NpLdtDecryptHandle>(enc_handle, dec_handle));
+        }
     }
 
     void generatePayload()
@@ -104,9 +97,13 @@ private:
 
     void freeCiphers()
     {
-        for(NpLdtHandle handle : handles)
+        for(tuple<NpLdtEncryptHandle, NpLdtDecryptHandle> handle : handles)
         {
-            NpLdtClose(handle);
+            auto enc_handle = std::get<0>(handle);
+            NpLdtEncryptClose(enc_handle);
+
+            auto dec_handle = std::get<1>(handle);
+            NpLdtDecryptClose(dec_handle);
         }
     }
 
@@ -124,9 +121,10 @@ BENCHMARK_DEFINE_F(NpLdtFfiBenchmark, DecryptExistingCiphers)(benchmark::State&
 {
     for (auto _ : state)
     {
-        for(NpLdtHandle handle : handles)
+        for(tuple<NpLdtEncryptHandle, NpLdtDecryptHandle> handle : handles)
         {
-            NpLdtDecryptAndVerify(handle, payload, payload_len, *salt);
+            auto dec_handle = std::get<1>(handle);
+            NpLdtDecryptAndVerify(dec_handle, payload, payload_len, *salt);
         }
     }
 };
@@ -139,7 +137,7 @@ BENCHMARK_DEFINE_F(NpLdtFfiBenchmark, DecryptFreshCiphers)(benchmark::State& sta
     {
         for(tuple<NpLdtKeySeed*, NpMetadataKeyHmac*> values : configs)
         {
-            NpLdtHandle handle = NpLdtCreate(*std::get<0>(values), *std::get<1>(values));
+            NpLdtDecryptHandle handle = NpLdtDecryptCreate(*std::get<0>(values), *std::get<1>(values));
             NpLdtDecryptAndVerify(handle, payload, payload_len, *salt);
         }
     }
diff --git a/nearby/presence/ldt_np_c_sample/tests/np_ffi_tests.cc b/nearby/presence/ldt_np_c_sample/tests/np_ffi_tests.cc
index 52c93f7..fbb0db4 100644
--- a/nearby/presence/ldt_np_c_sample/tests/np_ffi_tests.cc
+++ b/nearby/presence/ldt_np_c_sample/tests/np_ffi_tests.cc
@@ -12,11 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifdef BLAZE
-#include "testing/base/public/gunit.h"
-#else
 #include <gtest/gtest.h>
-#endif
 
 extern "C" {
 #include "np_ldt.h"
@@ -34,11 +30,7 @@ extern "C" {
 using namespace rapidjson;
 using namespace std;
 
-#ifdef BLAZE
-static const char* PATH_TO_DATA_FILE = "third_party/nearby_rust/presence/ldt_np_adv/resources/test/np_adv_test_vectors.json";
-#else
 static const char* PATH_TO_DATA_FILE = "../../../ldt_np_adv/resources/test/np_adv_test_vectors.json";
-#endif
 
 static const uint8_t KEY_SEED_BYTES[] = {204, 219, 36, 137, 233, 252, 172, 66, 179, 147, 72, 184, 148, 30, 209, 154, 29, 54, 14, 117, 224, 152, 200, 193, 94, 107, 28, 194, 182, 32, 205, 57};
 static const uint8_t KNOWN_HMAC_BYTES[] = {223, 185, 10, 31, 155, 31, 226, 141, 24, 187, 204, 165, 34, 64, 181, 204, 44, 203, 95, 141, 82, 137, 163, 203, 100, 235, 53, 65, 202, 97, 75, 180};
@@ -48,7 +40,15 @@ static NpLdtSalt salt  = {
     {12, 15}
 };
 
-static NpLdtHandle create_handle_from_test_key ()
+static NpLdtEncryptHandle create_enc_handle_from_test_key ()
+{
+    NpLdtKeySeed key_seed;
+    memcpy(key_seed.bytes, KEY_SEED_BYTES, 32);
+
+    return NpLdtEncryptCreate(key_seed);
+}
+
+static NpLdtDecryptHandle create_dec_handle_from_test_key ()
 {
     NpLdtKeySeed key_seed;
     memcpy(key_seed.bytes, KEY_SEED_BYTES, 32);
@@ -56,7 +56,7 @@ static NpLdtHandle create_handle_from_test_key ()
     NpMetadataKeyHmac known_hmac;
     memcpy(known_hmac.bytes, KNOWN_HMAC_BYTES, 32);
 
-    return NpLdtCreate(key_seed, known_hmac);
+    return NpLdtDecryptCreate(key_seed, known_hmac);
 }
 
 static void hex_string_to_bytes(const char * hexString, uint8_t * out, size_t len)
@@ -113,8 +113,8 @@ TEST(NpFfiTests, TestJsonData) {
         hex_string_to_bytes(metadata_key_hmac, known_hmac.bytes, len);
         ASSERT_EQ(len, 32);
 
-        NpLdtHandle handle = NpLdtCreate(np_key_seed, known_hmac);
-        ASSERT_NE(handle, 0);
+        NpLdtEncryptHandle enc_handle = NpLdtEncryptCreate(np_key_seed);
+        ASSERT_NE(enc_handle.handle, 0);
 
         NpLdtSalt salt;
         len = strlen(adv_salt)/2;
@@ -124,14 +124,17 @@ TEST(NpFfiTests, TestJsonData) {
         len = strlen(plaintext)/2;
         uint8_t* buffer = (uint8_t*)malloc(len);
         hex_string_to_bytes(plaintext, buffer, len);
-        NP_LDT_RESULT result = NpLdtEncrypt(handle, buffer, len, salt);
+        NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, buffer, len, salt);
         ASSERT_EQ(result, NP_LDT_SUCCESS);
 
         char output[strlen(plaintext) + 1];
         bytes_to_hex_string(buffer, output, len);
         ASSERT_EQ(strcmp(output, ciphertext), 0);
 
-        result = NpLdtDecryptAndVerify(handle, buffer, len, salt);
+        NpLdtDecryptHandle dec_handle = NpLdtDecryptCreate(np_key_seed, known_hmac);
+        ASSERT_NE(dec_handle.handle, 0);
+
+        result = NpLdtDecryptAndVerify(dec_handle, buffer, len, salt);
         ASSERT_EQ(result, NP_LDT_SUCCESS);
 
         bytes_to_hex_string(buffer, output, len);
@@ -147,13 +150,15 @@ TEST(NpFfiTests, TestValidLength)
     uint8_t* plaintext = (uint8_t*) malloc(20 * sizeof(uint8_t));
     memcpy(plaintext, TEST_DATA_BYTES, 20);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    ASSERT_NE(handle, 0);
+    NpLdtEncryptHandle enc_handle = create_enc_handle_from_test_key();
+    ASSERT_NE(enc_handle.handle, 0);
 
-    NP_LDT_RESULT result = NpLdtEncrypt(handle, plaintext, 20, salt);
+    NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, plaintext, 20, salt);
     ASSERT_EQ(result, NP_LDT_SUCCESS);
 
-    result = NpLdtDecryptAndVerify(handle, plaintext, 20, salt);
+    NpLdtDecryptHandle dec_handle = create_dec_handle_from_test_key();
+
+    result = NpLdtDecryptAndVerify(dec_handle, plaintext, 20, salt);
     ASSERT_EQ(result, NP_LDT_SUCCESS);
     free(plaintext);
 }
@@ -163,13 +168,13 @@ TEST(NpFfiTests, TestEncryptInvalidLength)
     uint8_t* plaintext = (uint8_t*) malloc(32 * sizeof(uint8_t));
     memcpy(plaintext, TEST_DATA_BYTES, 20);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    ASSERT_NE(handle, 0);
+    NpLdtEncryptHandle enc_handle = create_enc_handle_from_test_key();
+    ASSERT_NE(enc_handle.handle, 0);
 
-    NP_LDT_RESULT result = NpLdtEncrypt(handle, plaintext, 32, salt);
+    NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, plaintext, 32, salt);
     ASSERT_EQ(result, NP_LDT_ERROR_INVALID_LENGTH);
 
-    result = NpLdtEncrypt(handle, plaintext, 15, salt);
+    result = NpLdtEncrypt(enc_handle, plaintext, 15, salt);
     ASSERT_EQ(result,  NP_LDT_ERROR_INVALID_LENGTH);
     free(plaintext);
 }
@@ -179,13 +184,13 @@ TEST(NpFfiTests, TestDecryptInvalidLength)
     uint8_t* plaintext = (uint8_t*) malloc(32 * sizeof(uint8_t));
     memcpy(plaintext, TEST_DATA_BYTES, 20);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    ASSERT_NE(handle, 0);
+    NpLdtDecryptHandle dec_handle = create_dec_handle_from_test_key();
+    ASSERT_NE(dec_handle.handle, 0);
 
-    NP_LDT_RESULT result = NpLdtDecryptAndVerify(handle, plaintext, 32, salt);
+    NP_LDT_RESULT result = NpLdtDecryptAndVerify(dec_handle, plaintext, 32, salt);
     ASSERT_EQ(result, NP_LDT_ERROR_INVALID_LENGTH);
 
-    result = NpLdtDecryptAndVerify(handle, plaintext, 15, salt);
+    result = NpLdtDecryptAndVerify(dec_handle, plaintext, 15, salt);
     ASSERT_EQ(result, NP_LDT_ERROR_INVALID_LENGTH);
     free(plaintext);
 }
@@ -197,10 +202,10 @@ TEST(NpFfiTests, TestDecryptMacMismatch)
     uint8_t* plaintext = (uint8_t*) malloc(30 * sizeof(char));
     memcpy(plaintext, test_text, 29);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    ASSERT_NE(handle, 0);
+    NpLdtDecryptHandle dec_handle = create_dec_handle_from_test_key();
+    ASSERT_NE(dec_handle.handle, 0);
 
-    NP_LDT_RESULT result = NpLdtDecryptAndVerify(handle, plaintext, 24, salt);
+    NP_LDT_RESULT result = NpLdtDecryptAndVerify(dec_handle, plaintext, 24, salt);
     ASSERT_EQ(result, NP_LDT_ERROR_MAC_MISMATCH);
 
     ASSERT_EQ(strcmp((char *)plaintext, test_text), 0);
@@ -212,17 +217,17 @@ TEST(NpFfiTests, TestInvalidHandle)
     uint8_t* plaintext = (uint8_t*) malloc(20 * sizeof(uint8_t));
     memcpy(plaintext, TEST_DATA_BYTES, 20);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    ASSERT_NE(handle, 0);
-
-    NP_LDT_RESULT result = NpLdtEncrypt(1234, plaintext, 20, salt);
+    NP_LDT_RESULT result = NpLdtEncrypt(NpLdtEncryptHandle{1234}, plaintext, 20, salt);
     ASSERT_EQ(result, NP_LDT_INVALID_HANDLE);
 
-    result = NpLdtDecryptAndVerify(1234, plaintext, 20, salt);
+    result = NpLdtDecryptAndVerify(NpLdtDecryptHandle{1234}, plaintext, 20, salt);
     ASSERT_EQ(result, NP_LDT_INVALID_HANDLE);
     free(plaintext);
 
-    result = NpLdtClose(1234);
+    result = NpLdtEncryptClose(NpLdtEncryptHandle{1234});
+    ASSERT_EQ(result, NP_LDT_INVALID_HANDLE);
+
+    result = NpLdtDecryptClose(NpLdtDecryptHandle{1234});
     ASSERT_EQ(result, NP_LDT_INVALID_HANDLE);
 }
 
@@ -243,21 +248,27 @@ void *worker_thread(void *arg)
     uint8_t* plaintext = (uint8_t*) malloc(20 * sizeof(uint8_t));
     memcpy(plaintext, TEST_DATA_BYTES, 20);
 
-    NpLdtHandle handle = create_handle_from_test_key();
-    if (handle == 0){
+    NpLdtEncryptHandle enc_handle = create_enc_handle_from_test_key();
+    if (enc_handle.handle == 0){
         printf("Error creating handle in thread!");
         free(plaintext);
         exit(2);
     }
 
-    NP_LDT_RESULT result = NpLdtEncrypt(handle, plaintext, 20, salt);
+    NP_LDT_RESULT result = NpLdtEncrypt(enc_handle, plaintext, 20, salt);
     if (result != NP_LDT_SUCCESS){
         printf("Error in encrypt in thread!");
         free(plaintext);
         exit(2);
     }
 
-    result = NpLdtDecryptAndVerify(handle, plaintext, 20, salt);
+    NpLdtDecryptHandle dec_handle = create_dec_handle_from_test_key();
+    if (dec_handle.handle == 0){
+        printf("Error creating handle in thread!");
+        free(plaintext);
+        exit(2);
+    }
+    result = NpLdtDecryptAndVerify(dec_handle, plaintext, 20, salt);
     if (result != NP_LDT_SUCCESS){
         printf("Error in decrypt in thread!");
         free(plaintext);
diff --git a/nearby/presence/ldt_tbc/Cargo.toml b/nearby/presence/ldt_tbc/Cargo.toml
index 0120c60..3c80114 100644
--- a/nearby/presence/ldt_tbc/Cargo.toml
+++ b/nearby/presence/ldt_tbc/Cargo.toml
@@ -5,4 +5,4 @@ edition.workspace = true
 publish.workspace = true
 
 [dependencies]
-rand.workspace = true
-\ No newline at end of file
+crypto_provider.workspace = true
+\ No newline at end of file
diff --git a/nearby/presence/ldt_tbc/src/lib.rs b/nearby/presence/ldt_tbc/src/lib.rs
index 8a07f48..e9ef476 100644
--- a/nearby/presence/ldt_tbc/src/lib.rs
+++ b/nearby/presence/ldt_tbc/src/lib.rs
@@ -23,20 +23,47 @@
 
 //! Defining traits for an LDT specific Tweakable Block Cipher
 
-/// `B` is the block size in bytes.
+use crypto_provider::{CryptoProvider, CryptoRng};
+
+/// The higher level trait defining the single block at a time Tweakable Block Cipher types.
+/// Holds associates types for both the [TweakableBlockCipherEncrypter] and corresponding
+/// [TweakableBlockCipherDecrypter]
 pub trait TweakableBlockCipher<const B: usize> {
+    /// The tweakable block cipher encryption cipher
+    type EncryptionCipher: TweakableBlockCipherEncrypter<B, Key = Self::Key, Tweak = Self::Tweak>;
+
+    /// The tweakable block cipher decryption cipher
+    type DecryptionCipher: TweakableBlockCipherDecrypter<B, Key = Self::Key, Tweak = Self::Tweak>;
+
     /// The tweak type used with encryption/decryption.
     type Tweak: From<[u8; B]>;
 
     /// the tweakable block cipher key type for the tbc
     type Key: TweakableBlockCipherKey;
+}
 
-    /// Create a new tweakable block cipher for ldt from a tbc key
+/// Trait defining a Tweakable Block Cipher, single block at a time, decrypt operation
+/// `B` is the block size in bytes.
+pub trait TweakableBlockCipherEncrypter<const B: usize> {
+    /// The tweakable block cipher key type for the tbc
+    type Key: TweakableBlockCipherKey;
+    /// The tweak type used when encrypting
+    type Tweak: From<[u8; B]>;
+    /// Build a [TweakableBlockCipherEncrypter] with the provided and the provided key.
     fn new(key: &Self::Key) -> Self;
-
     /// Encrypt `block` in place using the specified `tweak`.
     fn encrypt(&self, tweak: Self::Tweak, block: &mut [u8; B]);
+}
 
+/// Trait defining a Tweakable Block Cipher, single block at a time, encrypt operation
+/// `B` is the block size in bytes.
+pub trait TweakableBlockCipherDecrypter<const B: usize> {
+    /// The tweakable block cipher key type for the tbc
+    type Key: TweakableBlockCipherKey;
+    /// The tweak type used when decrypting
+    type Tweak: From<[u8; B]>;
+    /// Build a [TweakableBlockCipherDecrypter] with the provided and the provided key.
+    fn new(key: &Self::Key) -> Self;
     /// Decrypt `block` in place using the specified `tweak`.
     fn decrypt(&self, tweak: Self::Tweak, block: &mut [u8; B]);
 }
@@ -56,11 +83,11 @@ pub trait TweakableBlockCipherKey: Sized {
 /// The array form of two concatenated tweakable block cipher keys.
 pub trait ConcatenatedKeyArray: Sized {
     /// Build a concatenated key from a secure RNG.
-    fn from_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self;
+    fn from_random<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self;
 }
 
 impl ConcatenatedKeyArray for [u8; 64] {
-    fn from_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self {
+    fn from_random<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self {
         let mut arr = [0; 64];
         rng.fill(&mut arr);
         arr
@@ -68,7 +95,7 @@ impl ConcatenatedKeyArray for [u8; 64] {
 }
 
 impl ConcatenatedKeyArray for [u8; 128] {
-    fn from_random<R: rand::Rng + rand::CryptoRng>(rng: &mut R) -> Self {
+    fn from_random<C: CryptoProvider>(rng: &mut C::CryptoRng) -> Self {
         let mut arr = [0; 128];
         rng.fill(&mut arr);
         arr
diff --git a/nearby/presence/np_hkdf/benches/np_hkdf.rs b/nearby/presence/np_hkdf/benches/np_hkdf.rs
index 8e5cae9..54e682d 100644
--- a/nearby/presence/np_hkdf/benches/np_hkdf.rs
+++ b/nearby/presence/np_hkdf/benches/np_hkdf.rs
@@ -13,15 +13,16 @@
 // limitations under the License.
 
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use crypto_provider::{CryptoProvider, CryptoRng};
 use crypto_provider_rustcrypto::RustCrypto;
-use rand::Rng as _;
+use rand_ext::random_bytes;
 
 pub fn build_np_hkdf(c: &mut Criterion) {
-    let mut rng = rand_ext::seeded_rng();
+    let mut rng = <RustCrypto as CryptoProvider>::CryptoRng::new();
     for &num_keys in &[1_usize, 10, 100] {
         c.bench_function(&format!("build {num_keys} np_hkdf from key_seed"), |b| {
             let keys = (0..num_keys)
-                .map(|_| rng.gen::<[u8; 32]>())
+                .map(|_| random_bytes::<32, RustCrypto>(&mut rng))
                 .collect::<Vec<_>>();
             b.iter(|| {
                 for key_seed in keys.iter() {
@@ -31,7 +32,11 @@ pub fn build_np_hkdf(c: &mut Criterion) {
         });
         c.bench_function(&format!("hkdf generate {num_keys} hmac keys"), |b| {
             let keys = (0..num_keys)
-                .map(|_| np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&rng.gen::<[u8; 32]>()))
+                .map(|_| {
+                    np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&random_bytes::<32, RustCrypto>(
+                        &mut rng,
+                    ))
+                })
                 .collect::<Vec<_>>();
             b.iter(|| {
                 for hkdf in keys.iter() {
@@ -41,7 +46,11 @@ pub fn build_np_hkdf(c: &mut Criterion) {
         });
         c.bench_function(&format!("hkdf generate {num_keys} AES keys"), |b| {
             let keys = (0..num_keys)
-                .map(|_| np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&rng.gen::<[u8; 32]>()))
+                .map(|_| {
+                    np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&random_bytes::<32, RustCrypto>(
+                        &mut rng,
+                    ))
+                })
                 .collect::<Vec<_>>();
             b.iter(|| {
                 for hkdf in keys.iter() {
@@ -51,7 +60,11 @@ pub fn build_np_hkdf(c: &mut Criterion) {
         });
         c.bench_function(&format!("hkdf generate {num_keys} LDT keys"), |b| {
             let keys = (0..num_keys)
-                .map(|_| np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&rng.gen::<[u8; 32]>()))
+                .map(|_| {
+                    np_hkdf::NpKeySeedHkdf::<RustCrypto>::new(&random_bytes::<32, RustCrypto>(
+                        &mut rng,
+                    ))
+                })
                 .collect::<Vec<_>>();
             b.iter(|| {
                 for hkdf in keys.iter() {
diff --git a/nearby/presence/np_hkdf/resources/test/hkdf-test-vectors.json b/nearby/presence/np_hkdf/resources/test/hkdf-test-vectors.json
index d002217..9e3ddb3 100644
--- a/nearby/presence/np_hkdf/resources/test/hkdf-test-vectors.json
+++ b/nearby/presence/np_hkdf/resources/test/hkdf-test-vectors.json
@@ -1,29002 +1,28002 @@
 [
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "255DCD1771E6D81DED9BCF8C555F14CE",
+      "derived_salt_first_section_no_de": "C196A908EFFB37E00129718334C0EC57",
+      "derived_salt_first_section_third_de": "EF35B6297414CDB16412781E2CECC3CF",
+      "section_salt": "65D09CF496AE43A6B1B10578F6B15A3C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "09AD773CCBF02AB7FBAEA3371D901CD8E0C4138645A404576473C2AE134BD5EE",
-      "legacy_ldt_key": "6D25FAFAC843CF6443811F5E9932D2C34E6B78F82008C0E9172963C2FB1ECADCD1C84897B0A4F3D3283A5C01CD928B097E3B011BC18BAFD6936D6314EB30F547",
-      "legacy_metadata_key_hmac_key": "4ABDF1443BB033F529121932D562BF6C0E99CB4122CF31F9A47FE1557BA24154",
-      "legacy_metadata_iv": "ACF3D75A382FA08F380CB7ED",
-      "extended_metadata_iv": "99BD1AD4706D95B2AE474BF9",
-      "extended_unsigned_metadata_key_hmac_key": "EF78F8A1EF9610F14391F33FDF8F4FEB81960B1D6F3FB80E5EDB952C4D93BD8F",
-      "extended_unsigned_section_aes_key": "755F12E8A9A41ECEA3D90E62D919874E",
-      "extended_unsigned_section_mic_hmac_key": "186DDD272775DE670DA4CE52903374AB48D40F087FFC13E85C34DCCBF0966E96",
-      "extended_signed_metadata_key_hmac_key": "83F385559920D1865B2BE20E6357AABC2787C070F346E31381D2D64DA05C5B0F",
-      "extended_signed_section_aes_key": "15402F5335A1502803FAFCBDCDF99905"
+      "extended_metadata_iv": "C522D94203D5FFEAAB0885BD",
+      "extended_signed_metadata_key_hmac_key": "180C8309414DEA7095CA0FA3B27FBC0AC467D8283532715926ACEBCBAA159444",
+      "extended_signed_section_aes_key": "309C3EDD40E8E8EE709F436C98D7BE39",
+      "extended_unsigned_metadata_key_hmac_key": "9B36B93B3D39126E981E8F29FDDB583680B203CDB0EF8864EB3F9731DCF1EA3B",
+      "extended_unsigned_section_aes_key": "BDA36F7A35C38944FC6A469484EBAA59",
+      "extended_unsigned_section_mic_hmac_key": "4E715521947F640895E299BC7C2DA764CA37EBBC688D9A482726F8CAA2EF0DFE",
+      "key_seed": "C8DD6C064DD70BF66B93777882335A3F3D6B0DB7D2406971E142061EFD1513CD",
+      "legacy_ldt_key": "9E6ECF42B78E8A6D4A0A28CBED9E5FFD76C98D0D4BF75A2DCF19B0149339120637690462A8B99D12ACEC4888A8191B1484F972DA4D7E7AF009E3E55FE3A35FAE",
+      "legacy_metadata_iv": "4636BA3DB932F2BAFCDE27C5",
+      "legacy_metadata_key_hmac_key": "DCE0D13232AE45688B4EEF3961ECF798A3F53D5489C2BF42E604B665C0083261"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "12E1",
-      "expanded_salt": "4563D41D8EC3136C24875F3BA7F9B6B0"
+      "adv_salt": "596D",
+      "expanded_salt": "479EFFDF9F0871E50D8A84D92D59F059"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "67280FB875968994473A9C9A972F",
-      "expanded_key": "70B3FA91B1B3286D59A0AE1A01F94288"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "A8A82BFE5C74B7FF9DB37D342114918C",
-      "derived_salt_no_section_no_de": "9D88609F4CF095163CC85F7C7EB660E9",
-      "derived_salt_first_section_no_de": "ABC28BF01063F059918F45FA3674FF30",
-      "derived_salt_first_section_first_de": "9A53FCF1F252F3446B55C01D75FFFE27",
-      "derived_salt_first_section_third_de": "7B3B8EE3F88B208FD5FF5253AEC803B1"
+      "expanded_key": "B2B8EB87C08475A7C8AFF5E693B06E40",
+      "legacy_metadata_key": "BCD1DE73F85421CFA654A8B5B146"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "AEEB2746EA655309DF4C762C2F2E7E9A",
+      "derived_salt_first_section_no_de": "30C776A928FEBB1693D34459B25D2BDD",
+      "derived_salt_first_section_third_de": "8AE68CEB994AB7444D596BA6F78051E4",
+      "section_salt": "245E1AE482EDFB862275E3DF53EF3026"
+    },
     "key_seed_hkdf": {
-      "key_seed": "09E51A414A8ABC92B0DEBEC3FF4BE8C8E54E358D8C55A86CF7913EC33C4458BC",
-      "legacy_ldt_key": "6BCAE0C9178AA0743B014D071C68661238F26239BF7B08D58363872447EE70840C27FBD5273914FF17F455D30D8BC7B239A0A0C19613D4CD7C6DBD2A62405A02",
-      "legacy_metadata_key_hmac_key": "08D41B7EDE12158AD31D75819F2CF5AAF2BB7695643952E64CA3F14C95D6B6A3",
-      "legacy_metadata_iv": "A96AD93A09AFAA605CF56FED",
-      "extended_metadata_iv": "007B9EFF1A7C2E7ED932ED61",
-      "extended_unsigned_metadata_key_hmac_key": "AFA3A8B0AF5F918AEBE9BB9351C03EC3AD377D72E9E306E31C33E186BA153B96",
-      "extended_unsigned_section_aes_key": "8A1E512AD6E8E685D0B61995A70C8CE8",
-      "extended_unsigned_section_mic_hmac_key": "E76736792BC9A6F9CCA42BBAF12A6CCE02611D2CAC6F775EFDA7257D0179B377",
-      "extended_signed_metadata_key_hmac_key": "B815CA5DA3623A95C7813E92C93259FA0EC06884AE1A6090A49EFE979A7AFA5D",
-      "extended_signed_section_aes_key": "6C7E6994D72EFF14AEB9CD6EBB5CBA89"
+      "extended_metadata_iv": "775EC65D4E7FD37DECA405C0",
+      "extended_signed_metadata_key_hmac_key": "A2276E388B8ADC3DBEF5DD0CC3F4962B1016BAE9C0A980CA9049D9FAACFD11FB",
+      "extended_signed_section_aes_key": "4D50B4097FD5AF1E0896B5FE4A418620",
+      "extended_unsigned_metadata_key_hmac_key": "C712C90E257BD12ED3B60FCDA060DAE2735FD02695C07BC90ACE2CB639D6F9B0",
+      "extended_unsigned_section_aes_key": "8A9BDAFD6E3E79EC9D47EF3B0EB921A4",
+      "extended_unsigned_section_mic_hmac_key": "E94CB71A7284D1B9E2D2226B48BF35855C9C1F4DA770A2C3E4CD2ADA12FE3030",
+      "key_seed": "858AD49298BE68EF429099EAD86AA3B62D96E1C2358D2181DC1C4D43DFB17F1F",
+      "legacy_ldt_key": "9BBAC810FE170C1E2133A0DE9C1D6EB55A51DB727310791C591009A1ED422B8A94E3B5591B814EC8573EC7F1144F5ED84FDB71DCE782FD3CA0A7952E6F9A3E8F",
+      "legacy_metadata_iv": "B21E320C1327CAC24DD2E53F",
+      "legacy_metadata_key_hmac_key": "5A4102E91D627F48719C8ACAAF1E9F9571D8552BAB416FEE6A0A4885706C92E6"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "03F3",
-      "expanded_salt": "0327930A9B987998CC69B1CE6131E027"
+      "adv_salt": "D52D",
+      "expanded_salt": "C3ABD68B191E6AC8C26D9418BACA8EB8"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "82594BDCE849C5A2A71994898216AA84",
-      "derived_salt_first_section_first_de": "4B2A72BC6ADB32CB74401EA4786BB615",
-      "derived_salt_first_section_third_de": "650025AFA01D712F0981CF0BF64BB482"
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+      "legacy_metadata_key": "876D4790AEF0714634D404DD474E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "07EA37C95B7826A63A9CE43A0871A38B",
+      "derived_salt_first_section_third_de": "C4384D9C45C57574546EE77CABA6FC46",
+      "section_salt": "B1AC51CABB490C777E058EC9B4AEE204"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0F556074F647428E55A3939729631CC2"
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+      "extended_signed_section_aes_key": "EA4C7B80A763651A45DDEE39F98ABB7A",
+      "extended_unsigned_metadata_key_hmac_key": "C34FF416C9C199C2162CDA474EBB3EA04D252159B7B32FA41AD59283B48F60F7",
+      "extended_unsigned_section_aes_key": "956128F451C2C4E829D8E12C1FCC751D",
+      "extended_unsigned_section_mic_hmac_key": "DFECE7A1482BB67922153B295CA5570940F5CB7217B1CB36764E0284D48B2874",
+      "key_seed": "ADA5E2A10ACB8C7FF96ABFF630862F44E52E337515BB67D7A70C97381AA1E0B0",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5DEE83E5BD98350DC70509D984BBF263"
+      "adv_salt": "AF43",
+      "expanded_salt": "B6496C723F8E4587BD939B60FD2AF37A"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "30BED7FCD010EE45D51B384DF141D33C",
-      "derived_salt_first_section_third_de": "8DD9B01FC5371374FCFBEDE7B16A6A9A"
+      "expanded_key": "E9CBC120DEC1DBB46028D7FE139B9EF4",
+      "legacy_metadata_key": "C008FFDC576435448A56B813E36D"
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   },
   {
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+      "derived_salt_first_section_no_de": "664DF29A5F2C1541D2B0A07C18F01AB5",
+      "derived_salt_first_section_third_de": "0906D4D56717AA5F2F760BD091C061BB",
+      "section_salt": "2A04D5FD6990B389EC6501C1A46DCC6D"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "81D64AF1E8DBE055F16B781EFE830F6A"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0870",
-      "expanded_salt": "2D78069E6EEBCFFCEF691951FEBCD4AC"
+      "adv_salt": "DDA7",
+      "expanded_salt": "B8261F061BB2CC6BBF91B622FB135A11"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BB8CBAFC252C4943BDFC8B77E305",
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-      "derived_salt_first_section_no_de": "70DECF66A55AEE46B6902E7999B1BDA7",
-      "derived_salt_first_section_first_de": "EAED8EBE2233B5B23E4A99FD170599B2",
-      "derived_salt_first_section_third_de": "2E9BA8EC71950BEF20C8B7EBFFB184AA"
+      "expanded_key": "0E84EE72FC612CBF19A85E89BDC45957",
+      "legacy_metadata_key": "80B50C30A496B58F08BC447776A9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "918F115CA9832C1EBB48DBCDF7162382",
+      "derived_salt_first_section_third_de": "5E8A0DBE83507F713BFCE756336F5800",
+      "section_salt": "DA524788DD09B86FE63C546D589230D4"
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-      "extended_signed_section_aes_key": "915B4BFDA188F9E95AA8B2C3746AAB34"
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+      "key_seed": "E869E36FEA039EDD77EC724CA6C474A5C2D508332ED6AEF53337B6AD9CA928F6",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "27E7",
-      "expanded_salt": "1CD2611C3B6C769F20BADA4FDBE304AF"
+      "adv_salt": "3AB8",
+      "expanded_salt": "D55E4BDB85CDE43177C96D2AE9C0D0F5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5B07685DBC1E765862D0C6EC4263165C",
-      "derived_salt_first_section_first_de": "9CCFED071D139723E158665A642DC3AE",
-      "derived_salt_first_section_third_de": "9C93729282D571CAAE46D89998A3DCFB"
+      "expanded_key": "5DD39B5E4E77874BE010AE15BFBD6C83",
+      "legacy_metadata_key": "889AEFB63168BF9C46E772516F35"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "845CC19B663FD3DC7ADD384CA5327A4B",
+      "derived_salt_first_section_third_de": "E51B9DCAB596966261DF9F9C2B9D4AD2",
+      "section_salt": "6E740B52FDA44AFD5994EEFAD8D2B9F6"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B0168847B1A2526712D297B22B28E6F8B95DFA4F4DE6F9056FA07616BBC95C5D7C1A75BC13CCA938389080F27D12648D861C0A0D023E4B7972A9A05ABAF965F5",
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-      "legacy_metadata_iv": "BC267F75AC25685F3D4BC2D0",
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-      "extended_signed_section_aes_key": "D790AC58C093B017FCC1720771E1A9A1"
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+      "extended_signed_metadata_key_hmac_key": "1D7A7306F60DE7E53271640409E424B0699691D3931058726138F15CD1ADD0DA",
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+      "extended_unsigned_metadata_key_hmac_key": "3E2083FA541797CC44F9C196953EE936160AD16ECA62A9520479CF836D25EADE",
+      "extended_unsigned_section_aes_key": "7ECF8C7EE144F5FE9575121D4B0A9E34",
+      "extended_unsigned_section_mic_hmac_key": "6812DD2E9BD02DD498F0D100D434C8C9F2032946EC33AF0B2AD92C3054549036",
+      "key_seed": "1196048671F2236EC025C8C533A0A155AA5DA04863E3632D35E5E47928997DEA",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A0A0",
-      "expanded_salt": "B6B3758ED361D7A09B71A3C5E0419D49"
+      "adv_salt": "9F6F",
+      "expanded_salt": "C84565E7B093766ED89DCE50A67F269D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3950DEDD128A47AEAAE9A59F4CD4",
-      "expanded_key": "59937FA45730CFBC2104380D8BDEE135"
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-      "derived_salt_no_section_no_de": "D7AEB870DDF1D1CB1E0E97F98CD3852F",
-      "derived_salt_first_section_no_de": "80FC9A86486A847BE61BB64F82C64AA7",
-      "derived_salt_first_section_first_de": "E420507B7EA7A276E2DDC341BB8D83FC",
-      "derived_salt_first_section_third_de": "445D9C392BE0C6CED96F540377490AC2"
+      "expanded_key": "AFCB25D5A4FF0F6C5514A3D7CB70BEBE",
+      "legacy_metadata_key": "701F981110C06419C76BB7F3A87C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "5625D972CB59C4632296829E9DE5574C",
+      "derived_salt_first_section_no_de": "CFBA7AA0B4F0660AB3E26110CEBB248D",
+      "derived_salt_first_section_third_de": "D346C88EA3FCFD580D9CDDA524498F08",
+      "section_salt": "4EA2341C2196501C4451018B0E663733"
+    },
     "key_seed_hkdf": {
-      "key_seed": "F8CFF83A6294B2FF0E7088920532A4E50E1E8BD5345283202BE30CAFB52A1E4B",
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-      "legacy_metadata_iv": "EA17B3007D843A912BB4CAEF",
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-      "extended_unsigned_metadata_key_hmac_key": "881942A0B14BCA1C9412132B3038266E0EED33CA075D6CAE5A736BF7BE073AE0",
-      "extended_unsigned_section_aes_key": "8C5FFA9BC9361FFE1242C6A3CE01BC61",
-      "extended_unsigned_section_mic_hmac_key": "6E425EE94C13741AF6320A1D6A226AEE8A07067297471E395CC182430FF7C4F3",
-      "extended_signed_metadata_key_hmac_key": "2AFDAC1CF8E38030CF1CBDACC1FB540DE41261A205E8EC767DEF28679CB9E26E",
-      "extended_signed_section_aes_key": "FE115B898210A6370895374233257CDF"
+      "extended_metadata_iv": "78DCBF648DAEF355302F1EB2",
+      "extended_signed_metadata_key_hmac_key": "0BD0C8A84F341F1BFBB8F3928008D4251E20B294E23B6DA3F354954B374E6534",
+      "extended_signed_section_aes_key": "465DFA7877017B3521C40978F46ECFF7",
+      "extended_unsigned_metadata_key_hmac_key": "06DBD2F3921CEE544E5F8564629F32DA4B900E8B2C05DA1D454D6748E33CBA2F",
+      "extended_unsigned_section_aes_key": "10E9ADCCC2F8EF7566FDEB75024458FF",
+      "extended_unsigned_section_mic_hmac_key": "581058144BFE846874F4F175FFA374B16BFE36CCD449D1BB403FCCAC34912166",
+      "key_seed": "285E2C54EA6B81B4A9F3B70723F37C79ED30A7C6D3FAD915528AE108EECD3E20",
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-      "expanded_salt": "D5B9859DEE0E02F1F95C54E742C7F525"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "CE55A22879CC66148074F84B1896D0BC",
-      "derived_salt_first_section_first_de": "4FB50BA6531577AB918072257EC50FE2",
-      "derived_salt_first_section_third_de": "6BBC39C5F2B9A0A1A1DDBE19C26616BF"
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+      "legacy_metadata_key": "17CDD9822CDE244E664788588728"
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   },
   {
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+      "derived_salt_first_section_no_de": "9E841AD1ABD9FFE35A2A8598793B2246",
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-      "extended_signed_section_aes_key": "2D482ED061A0931C0CB877C409578EFB"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "702362A852FFBEA3D5CA37CDAA7A1514"
+      "adv_salt": "2E15",
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-      "derived_salt_first_section_third_de": "0396754729746C820D7ED5143BEA3A3D"
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   },
   {
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+      "derived_salt_first_section_no_de": "67A5624EE3666CAB802210BD5313AC85",
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-      "extended_signed_section_aes_key": "2A737710C760B9E4B3ED337FC2A705CC"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "29FF",
-      "expanded_salt": "FCDC93160BDF98C202A70FC11DE6BCCF"
+      "adv_salt": "1A52",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "911F5457C29F5B031371F43A9B770AF5"
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+      "legacy_metadata_key": "09E5B01431E589A8128F676B5DE8"
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   {
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+      "derived_salt_first_section_no_de": "F0434A386B74283B2428ADF0A30B8BFF",
+      "derived_salt_first_section_third_de": "565CDC77DEEAAAFA89BBF4279F0B1685",
+      "section_salt": "75B099677F55554347CE466B27C81A76"
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-      "extended_signed_section_aes_key": "7B6698842A7C9F45094393692229D086"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "693F",
-      "expanded_salt": "ECCC9DA15950F602CEC7D2ADEAE7C798"
+      "adv_salt": "7230",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1E589DF59D6555EF0EE65883C6ECE893",
-      "derived_salt_first_section_first_de": "D618F5BB6B5408584CFE138F91E9B724",
-      "derived_salt_first_section_third_de": "6E7EE6BE0F5BF8356124BDC9ADDE3CFF"
+      "expanded_key": "CF39C15043233D12FE5D13F703F41C61",
+      "legacy_metadata_key": "E7FD7AE8167FD3BC32F74945CEA8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0709E83E23A31962B48E06F96D90A56F",
+      "derived_salt_first_section_third_de": "614B94336745C4A43DA65D7C0EC5B139",
+      "section_salt": "911B8A531EDC0D06A3A4EC9AD08632A6"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "96B0836702B513E5C1BC37221A0FC82E"
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+      "extended_unsigned_section_aes_key": "5C6AA10B04204FF35C2A75FDC24231E8",
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+      "key_seed": "2E7EC5A7A93A5FF8317BDDDE84CFA4D6B3B4C6E925F860AB0EF2233D339D455E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1722",
-      "expanded_salt": "BF4ACE45D181D7BAC4E9C81D0688D68D"
+      "adv_salt": "47BF",
+      "expanded_salt": "32D8CAF71A84D0E5F901C788321EEB04"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "CC7917CD65346639B4FD08AB4E83F7A6",
-      "derived_salt_first_section_first_de": "D5672DAC7524601905F9B6CAE52A72A6",
-      "derived_salt_first_section_third_de": "D8FE700B0FB05D26D5BA68124031D715"
+      "expanded_key": "963076F2BA2945CD56E4A94B0B69873A",
+      "legacy_metadata_key": "5C415E7B40EE8CAA303D08ECEB99"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "FA00A9E5E5F677A2ED3344C2F2277C3E",
+      "derived_salt_first_section_third_de": "2B2CF650274CE3EA63600F4D204A6EC4",
+      "section_salt": "DA5851A9E3E279282C319BD07B42EC43"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "95EDE73054BD15748C7B105C",
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-      "extended_unsigned_metadata_key_hmac_key": "FDC440C81AEB90E02FA5E6A8C0D3147D783B55FA9F54FE6BA1CBF14A5EAC97F7",
-      "extended_unsigned_section_aes_key": "1BF0959C47BF273EDEC5D8161C2DB64D",
-      "extended_unsigned_section_mic_hmac_key": "A058880E92D7ED844C8BF4D461AF5AA43E386D453430D61C26C85F5F33EE6555",
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-      "extended_signed_section_aes_key": "EB000323EC71B811108C9D33DA8F3DA5"
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+      "extended_signed_metadata_key_hmac_key": "056C565F3210F1343FD278C4C3097E82164A6D711061B5450974D9D6CBADD5C0",
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-      "expanded_salt": "EF07A0410231A3B256E7BA138DE751D2"
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-      "derived_salt_first_section_third_de": "199263DD1CA59AC9D4BF0A64EB443003"
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   {
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-      "extended_signed_section_aes_key": "6E05C85F68215A02D7D99C28E68ADC28"
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A7B6ED61A510EFBB423725AE2EB2E4B9"
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   {
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "6CBA59DA1F9AFC13954283C904A1A370"
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+      "legacy_metadata_key": "B5E9F861C07830D523548F82F781"
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   {
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+      "derived_salt_first_section_no_de": "177AC7943D9931D8E42B90BC44684C96",
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+      "section_salt": "870650583BFE2467CC0BAA720F9E2A71"
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-      "extended_signed_section_aes_key": "A64C002B6297CD6F4C3230F694E81E1E"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "398D",
-      "expanded_salt": "D5B15CEDE1379ADCD66C97D1EA7018CB"
+      "adv_salt": "2B72",
+      "expanded_salt": "0DEB2CE43751D3DDAF6455168BA9E4BB"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "4FF72A05303E73506655E0612C1119E8",
-      "derived_salt_first_section_first_de": "6F6655502354A80AF5AB03B1A4010CC4",
-      "derived_salt_first_section_third_de": "7259B5124FD6BF1D5BCB5FECEE3F22D9"
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+      "legacy_metadata_key": "280F3B8CAB024935ACA1C72DA581"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9386192736159CE4AA576A6030EEE97F",
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+      "section_salt": "01BFD9768AC19831128C8122C9686D66"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B18A2D7E4B7BED1918DA1B90DEFA961B"
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+      "key_seed": "7831A90A4B874693B0BE6CB72218C0B259011E4B9BDF22198A8E3E8FF0BA44CA",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "35B1154FB11A5DCCD62CE9DF7FBBDB47"
+      "adv_salt": "2562",
+      "expanded_salt": "03D965DEAB97242826B4FF19C3BFC773"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E8B41D2C631FE04852EB1559E2092D99",
-      "derived_salt_first_section_first_de": "E7C9921C87D6B8673B95EB0C272F0F08",
-      "derived_salt_first_section_third_de": "3050EC4D602FE119105564529239EEC9"
+      "expanded_key": "5B7E8F40EE62D1D94A82CC7E36818C2A",
+      "legacy_metadata_key": "EFB497510B524AAFA42FF37A3FE3"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "17AB991A67593024691AAD81904D2F6C",
+      "derived_salt_first_section_no_de": "40204FE647A0AFD99F12853A9A1834F6",
+      "derived_salt_first_section_third_de": "1BF1177C4362AD8FC1010C0B4A46A36F",
+      "section_salt": "891488552A05536B7CE1D6B7EBC38BB7"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "81A152C9DD209877ECC05829",
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-      "extended_unsigned_section_mic_hmac_key": "5188CE0E2447915D3045487E5D0ED52C01231A77F7AC20128BC56617B0B417E9",
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-      "derived_salt_first_section_third_de": "5689B315BCA0D8CC7715427C721CADF0"
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-      "derived_salt_first_section_third_de": "5142BC2306D8F6E7AC4575AE028FD3B2"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "9D00BF3C02616142BE3248D9791767BA"
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   {
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-      "extended_signed_section_aes_key": "2E2608871504EF1FB75B438A00820432"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DA5A",
-      "expanded_salt": "312ADE501F22F16318F90A90B20B5EE7"
+      "adv_salt": "6842",
+      "expanded_salt": "EFC5CFB4DF37EF1E049063D172039C81"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "9FD1EFB58CFD0ADABE7F03B7E0B41E95",
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-      "derived_salt_first_section_third_de": "4B358E24031B80D1C2CAC61512AE65B7"
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+      "legacy_metadata_key": "F3725522AA445F95FD162648CE9E"
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   },
   {
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+      "derived_salt_first_section_no_de": "AE7E6C041F6AFB5DC9799F91FE56B3CB",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D0200755998633EEB63716669B894374"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1F69",
-      "expanded_salt": "75411C155D0BE8F098AEC22ABC0A1417"
+      "adv_salt": "21F7",
+      "expanded_salt": "1109B54B172496E91186918C0C8D317C"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0AAA599E6DA8B4F01AE0DF58FD7A",
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-      "derived_salt_first_section_no_de": "51ECFEFD877AF3757005BB2360660835",
-      "derived_salt_first_section_first_de": "38DB55150B02687D15F0647CA76DD098",
-      "derived_salt_first_section_third_de": "8CD297F031FAAD7414D4CE80324CE0D0"
+      "expanded_key": "F0599DF66569B92A081C23F8385FB4F3",
+      "legacy_metadata_key": "FBE565766E589867E66F7709290C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "D18EB27E9E4B29CBCDDAE198BCD218C1",
+      "derived_salt_first_section_third_de": "E14AF6F3DAC0448BF1DDFB3BD6CE0515",
+      "section_salt": "4AC88177868088EB39DFF812C22A6291"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "EF23CFD1EC5D114934CFCE1EDAC4338D"
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-      "derived_salt_first_section_third_de": "A31462637BDC4E9E54D3E59E9C439DC4"
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-      "expanded_salt": "A16E0ADCAB54FD7734D97D469E94B47C"
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-      "derived_salt_first_section_third_de": "02EE59783D6A85F315B04D3EFDB2DF1A"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "C017D0B3E054BB27D3EAD5BE8AAE9B84"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6366B6BD382BD8D5A854BCA0352F2E2D"
+      "adv_salt": "6A53",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C045043E35AFDBE6E2E191D70C31BD78",
-      "derived_salt_first_section_first_de": "BECB1BF0B1B5C2C568138FAEA01D2CC7",
-      "derived_salt_first_section_third_de": "3BBB097115B710876F5BC8786C1F4366"
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+      "legacy_metadata_key": "D2C918A5FFB49343171C4529564F"
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   },
   {
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+      "derived_salt_first_section_no_de": "47E8699559BF77157B1585DA74B04151",
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+      "section_salt": "0B98A76C861D9365FA51428AED2834E2"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "07BE3C06438559CE16F8561B",
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-      "extended_signed_section_aes_key": "1B2D8B13933BC1D9348492891D95567B"
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+      "key_seed": "7BDB35846F537399D3AC9F7351CF11AE2FA785178582F7386F06103BD57829D4",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A9B5",
-      "expanded_salt": "D724853B6538CAB280761EDE33524281"
+      "adv_salt": "99B3",
+      "expanded_salt": "81E13245C2EEE6124603C4FE4C22035A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3619079EF3B332C4E0BC3D4180D6",
-      "expanded_key": "40B7602F470DA4D659BAF7A185384D18"
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-      "derived_salt_no_section_no_de": "7D7435CEE4BDAFC08D1941ABA3FEA700",
-      "derived_salt_first_section_no_de": "3D113E62531A811191191399EAC6FFCB",
-      "derived_salt_first_section_first_de": "076653B6855D83A4DFED89480B087603",
-      "derived_salt_first_section_third_de": "E9858AAF756FE805C5C699AD3071C97D"
+      "expanded_key": "E899521BD22B9A12778F05ED0B699B8A",
+      "legacy_metadata_key": "2F2EB44729F3A6B41B3324B4B672"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1FF2A41CA4A49D0B00E1059380052C49",
+      "derived_salt_first_section_no_de": "D158331DAFDA5BDFA68EE87D1862CD3F",
+      "derived_salt_first_section_third_de": "219B35EDEF70F9D9ED8FA142624DE912",
+      "section_salt": "78CCAC8E9F3B6D26A75061FB2894EC7E"
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-      "derived_salt_first_section_third_de": "E9F8C4DFA9CEA97312431D0EC97C6197"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "18BE24FE37B6567489751A201182BD63"
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-      "derived_salt_first_section_third_de": "CC6CB003FD51443973765D5720C68DA5"
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+      "legacy_metadata_key": "FC706D382F05CD979DEC53A87354"
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   {
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+      "derived_salt_first_section_no_de": "76E143060ABF1E292B3331B5EC261821",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "120F91147972D20A950BA1A523F70A47"
+      "adv_salt": "7D14",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "8B5929DC58A69A5D17476D8C235F71F1",
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-      "derived_salt_first_section_third_de": "9EF7688822E45980E408562348AE691F"
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+      "legacy_metadata_key": "CFF499042A005510A4019F804E0C"
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   },
   {
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+      "derived_salt_first_section_no_de": "A3ECCF0CE7F4EC3D7333BF6EAA43FF75",
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+      "section_salt": "3077BFDC668DF7FE3354CED1F2CDE565"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5BAA207C971AB558A9F11335BFC462CE"
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+      "extended_unsigned_section_mic_hmac_key": "032171B6C682D147AA002B22246406425197FE08AF457C169049A490FF93134A",
+      "key_seed": "971CBFEC7B8ABC05CCA1C737E7496807956448C0E619964ED2E7BBC63C733340",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D115",
-      "expanded_salt": "B1816DAA8A2DCFCBDA405DE2EF913899"
+      "adv_salt": "A320",
+      "expanded_salt": "ED263552503D6A468A1BE9A03B2504CA"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F78CE49F12C522A4A325FE1A58E8",
-      "expanded_key": "1C5D3973767192F2950783849299BCF4"
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-      "derived_salt_first_section_no_de": "ED7996D043C8834EB596277D011779B7",
-      "derived_salt_first_section_first_de": "1C5CE8F22289E6092E772464469D1C0F",
-      "derived_salt_first_section_third_de": "91538531DC25EF4E7A513EA64B39BED6"
+      "expanded_key": "51A63F59DA49306D590549761A87F057",
+      "legacy_metadata_key": "4AE77EE6F131EB3109BA9C91FC24"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "DBD0500B240828F9BACA69AB2EC2DB3D",
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+      "section_salt": "A8AD1A2760C281658293991BED24B74C"
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-      "extended_signed_section_aes_key": "35361110274E4F61823125FA57CD8300"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DE4195E5E33E21DE99F77E1C058FD2CA"
+      "adv_salt": "C826",
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-      "derived_salt_first_section_third_de": "13EA87DC490F6C59D0BAC5C8DBE954F1"
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+      "legacy_metadata_key": "FF678C0893D2D8D7EEB163D316FC"
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   },
   {
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+      "derived_salt_first_section_no_de": "3210DF371ED0A11E0E4DFB81C270A5F2",
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-      "extended_signed_section_aes_key": "5318A825B2DA8C85109903D231D6D939"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7680BB4D5684396ABF535378E5D7DF1B"
+      "adv_salt": "68E5",
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-      "derived_salt_first_section_third_de": "AA20CE54C17F5B8D3BE1B39CA306EDB9"
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+      "legacy_metadata_key": "59565A4BA64A758318FC2411644C"
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   },
   {
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+      "section_salt": "C4EE68A6CB7636CCAD1474CBF3BAA916"
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-      "extended_signed_section_aes_key": "B94ECD47C5DF392AA628ABEF57A0C710"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CF13",
-      "expanded_salt": "F230F6CCCA07124DEBD565A3101D0DC1"
+      "adv_salt": "B70D",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A958D8F47797106F2417A133C5C380D1"
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+      "legacy_metadata_key": "9104A5DA1BC3168DB11EBF59DBD8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3F28A51F93C2AC16B3239C8A977879DC",
+      "derived_salt_first_section_third_de": "1FAE2C922DC303F18BF54D7D113AA3C7",
+      "section_salt": "296639A30006771BF7DFC70FEB0CAED2"
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-      "extended_signed_section_aes_key": "A95AB9E38174575AF7B669AF446CA626"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2A67",
-      "expanded_salt": "81BCDE2DFE9A093CF735A1A163A105EE"
+      "adv_salt": "A36E",
+      "expanded_salt": "6D0D895907EB0C363ABCC610C313946C"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D7CC9B4C855A88466D146A82B6DC",
-      "expanded_key": "525B2667C4683BF642C6A7BB78D0BF7A"
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-      "derived_salt_first_section_no_de": "44EDB31D67332649D824CDABA535917B",
-      "derived_salt_first_section_first_de": "1329AF4374F776480E5A612D5C29502B",
-      "derived_salt_first_section_third_de": "FFDD94410DE3F1BAEF9E126A7F5FF19E"
+      "expanded_key": "BCF45287C8E2C64991683EAC8C0B8695",
+      "legacy_metadata_key": "4990779D28E61B9F2A7A82A8D3F5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DEDB4D9827FA3F2F2384DF4421FF88C3",
+      "derived_salt_first_section_third_de": "50E241203AF847156068FB50E70BFF82",
+      "section_salt": "57EF0E9229ACEFEEBB2E6ABDF4765019"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "165FFB919E6B1D692DE0D58C",
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-      "extended_unsigned_section_mic_hmac_key": "BA3E5BBA593ABD60DE374A5D574A2C2895380970589C46CE3C1A240CA931B1EB",
-      "extended_signed_metadata_key_hmac_key": "C8B9820C17BD92EF932A5F93F610DB8609A68167BD85BB99BDFA42B5221EE9FB",
-      "extended_signed_section_aes_key": "1B88B352E8AF5C5083631FC7453A3417"
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+      "extended_signed_section_aes_key": "F11540E6A4D4A61259735F7DA5A501F5",
+      "extended_unsigned_metadata_key_hmac_key": "8FB2C0F4517A27746D0458B1B6797A06528683A8C217BA37A3EFB0DD684573E0",
+      "extended_unsigned_section_aes_key": "32EC577B0CE41E2C5CF8702025AAA5D7",
+      "extended_unsigned_section_mic_hmac_key": "103E3B5AA3A805D6C441813578118EDAE37D02201DFB9B68CBF3B00A0E1C9330",
+      "key_seed": "10F754D655F194FD10E1821717336BCD15926299DE28EA6400CFC15B94AB2CD4",
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+      "legacy_metadata_key_hmac_key": "990E2149008636C0DB2048E138FFACD4C843F91E4087E62E227FF7455ED30ED6"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "575C",
-      "expanded_salt": "41FCDC95E63950D7108F7F3CF7A2B298"
+      "adv_salt": "BD56",
+      "expanded_salt": "4CEDF4787968E0686B53BE2882C1D939"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "37C364C969B9CCA45C0AE1DFED53",
-      "expanded_key": "92721B9033B9C1258441AC88A7DDF30B"
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-      "derived_salt_no_section_no_de": "09BFB441345EE0AA04237B2195C42BF0",
-      "derived_salt_first_section_no_de": "4D54C4101319F980E64B14B9FF1C9D9D",
-      "derived_salt_first_section_first_de": "4BBA56C8D83A3E6E20FE9ACB254946D7",
-      "derived_salt_first_section_third_de": "014EB5A4545E7D50D4C7403535AB33A0"
+      "expanded_key": "50BAD2F8DF6026307B642BA45813017E",
+      "legacy_metadata_key": "DB37799A802ED605CA34FF0366DB"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "84E9ADF7695F1C3F457F6301D1613176",
+      "derived_salt_first_section_third_de": "868C45991ECD4774AAD78B6F46344597",
+      "section_salt": "FCCB5D9CEE6AFCF0D28D4B299ADB8440"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "648EE2B2A934B85532A5E923",
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-      "extended_unsigned_section_mic_hmac_key": "C1E9B57F2A18CAB4BCF49AD0ADED33C02E0F688FD8DAE0C3B273D0BE017D3E8A",
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-      "extended_signed_section_aes_key": "73BBB7E8A4CD90F1142A6C854F99D50D"
+      "extended_metadata_iv": "7946C4BCB31D2C8F583D0E70",
+      "extended_signed_metadata_key_hmac_key": "7E26E70A5F042773C07E7C1097B52D7CD96A00559DCCE41EB35C54149CD373C4",
+      "extended_signed_section_aes_key": "49D898BFDF92F70F6F5177C12AA2CDDB",
+      "extended_unsigned_metadata_key_hmac_key": "4B749B7364D8039CAE76CA41EA1B0DB296DD8D313B18F8222512F3E1014750A5",
+      "extended_unsigned_section_aes_key": "C4C722B6B5CE2ADE5916F2A90250219C",
+      "extended_unsigned_section_mic_hmac_key": "6194A5EBC5C8A703BBC0CB362B877CD2F934C21BC4D13C0C801B68BA280097A3",
+      "key_seed": "CD492582B8304E3FE4498C5B956F8762B1D20BD5E30C80613EBB5CCC92C0EA82",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6CCA",
-      "expanded_salt": "D4FC18BE966EE43F1285C7698A74E43A"
+      "adv_salt": "6C1F",
+      "expanded_salt": "76A04B364EB7A8D434B4238B5F383B41"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E06ABAF053A3AE0C9741AFA93430",
-      "expanded_key": "6892EBB251C371F67EBB329F140FFE1E"
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-      "derived_salt_first_section_no_de": "FD45CCF752A91D4AE30F5A6E27E14033",
-      "derived_salt_first_section_first_de": "CB752AA1371A750C56B1CA436E40577B",
-      "derived_salt_first_section_third_de": "A49199DB435ACB3532B9D6DEC8FBC3B5"
+      "expanded_key": "EB4E5B2778BB5C19DD56B1C6C0674CD2",
+      "legacy_metadata_key": "A0D31F9E96B4BDE78E5C62D9DA54"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6410190F3C49002275D9EF0DA88A09A1",
+      "derived_salt_first_section_third_de": "D38659DC74D9E80FA0E29BEC552D7184",
+      "section_salt": "E92AED4669EABD0425F55A95A6994659"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "07492304888D4409648088F9",
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-      "extended_unsigned_section_aes_key": "AF3D57181F0E3E9400C65FFEA6D09450",
-      "extended_unsigned_section_mic_hmac_key": "BC542FFF3713CD47E5E3511B79E16D6BBDC65190B055A3C990EAFEF3AF11ADB3",
-      "extended_signed_metadata_key_hmac_key": "0D1EABC90DFC9F5347C7FAF495031E41F49D1691920D82DD921A5CD093CA7AEE",
-      "extended_signed_section_aes_key": "44130CDB0E75860595346E54D09A3F55"
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+      "extended_signed_metadata_key_hmac_key": "2249CD17A6BC00DF85C56695B519498DA56726A2F551C612C705845606C6E920",
+      "extended_signed_section_aes_key": "B32F981FC641EA5328DE205F95CCD391",
+      "extended_unsigned_metadata_key_hmac_key": "0D32C1884BDA456C0A0962B4F5FC5FBE962BA42567ABF4E60F1B4DC6E3FE3601",
+      "extended_unsigned_section_aes_key": "F98CBD4F915DA89BB2B6411FD4233B21",
+      "extended_unsigned_section_mic_hmac_key": "A6C0F2BB140BB2DF4D31718331B11F29C336A81B9F42C81A90A30DF7FBCE0059",
+      "key_seed": "60D90B7577D8918CBDFE3825FA0746B027CE414769E7CCBDEB06089951D24046",
+      "legacy_ldt_key": "2480D6F753C9520DBA39BC557EC1B2A8533D75055264D9C29276F56A7C4B8FFFBC56DC5E3E796CAFFBB6721FF7CCCA425E6E8CFD7971BF991E6F20C782F8F688",
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+      "legacy_metadata_key_hmac_key": "B8A4B5324ECBCBAFD192A356C3FB29D2B0D5B03BA3E600DEC5187E5ED397F32D"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B857",
-      "expanded_salt": "BB3C280C98055742E3C1E825138418C5"
+      "adv_salt": "CD61",
+      "expanded_salt": "9FEDE3601292F72594E92DAC4A711966"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2FE3DEDDA233FCB4EC96A613E6EB",
-      "expanded_key": "B7E8323DBC4491E8BEAFCB212CAD44D8"
-    },
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-      "derived_salt_first_section_no_de": "61670F50E80CAA6378529B1F2ED016BB",
-      "derived_salt_first_section_first_de": "5FA843801EF66C821F5CDB1264F6ED6E",
-      "derived_salt_first_section_third_de": "F746DBFCBA6EF2ADFDD4DC82A2A32BE5"
+      "expanded_key": "69C898A6A277E88D5D64F35121291EBC",
+      "legacy_metadata_key": "54CFF959FBBC0B2CDEB97CFF02AD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "15345F69B755EA2EEEB9A96A036CC872",
+      "derived_salt_first_section_third_de": "F22B6D83DDA9FF7D0C11FDE0450A2289",
+      "section_salt": "F4D6A5B2153470A69A5DE681F31F9C05"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "65188F9152848A35CCA3F40B",
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-      "extended_unsigned_section_mic_hmac_key": "4AB7D66F0BB4A07B57C38CD3F66F4D12AE6852F008525B8CE706709FDB158833",
-      "extended_signed_metadata_key_hmac_key": "600302DEAA360BAA13CF7EC64C047F3D5D38186A36B40A2B5F47B6E17338C96F",
-      "extended_signed_section_aes_key": "9DB66996CC82670432C70F8EF5BD576F"
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+      "extended_signed_metadata_key_hmac_key": "826E42AFF45638682F49AD5FA634AEEEB3221E1E7AFB42CEC5A5C89E13EDF5C4",
+      "extended_signed_section_aes_key": "85F119ED61960E7812E2EF612EEB1865",
+      "extended_unsigned_metadata_key_hmac_key": "DAE1518A7E276E7128D9C8EFCF1E62CEE39DF8B026858414A8D84AF19B24758E",
+      "extended_unsigned_section_aes_key": "47FAAA637CAA1145128AB426FE8A0B98",
+      "extended_unsigned_section_mic_hmac_key": "9D5A91D834DCEFD863AF24540CF0FA508B7E31B935BCCA674033A99369948D07",
+      "key_seed": "1392B9A9D5863CD2ED4E3010CEA900931D874B95CD3DC8C6C5715E85EC0F2945",
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+      "legacy_metadata_iv": "549497D49576BE17A4AFC198",
+      "legacy_metadata_key_hmac_key": "5CB3AA1182A18209B0ED97B741803A38088C11ACBAA3D1DC75FF46F097FD4F9E"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F463",
-      "expanded_salt": "7679E3757FAED7776952527C767CE14B"
+      "adv_salt": "2E0B",
+      "expanded_salt": "1A255ABBCDF9654A1993EBB82A3E5835"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A0D9A2D3E4B12469F265909B8CDD",
-      "expanded_key": "11C74A140175B784FED885BEEB916330"
-    },
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-      "derived_salt_no_section_no_de": "DE3A6090C48C463BA56184FDB1267243",
-      "derived_salt_first_section_no_de": "9D38D0FC3338961CF85D17818059D2A6",
-      "derived_salt_first_section_first_de": "0FEF4F5FA8E949207BC4C3222A2E8CE5",
-      "derived_salt_first_section_third_de": "239FE97275F3B4F51341A8069FC7F75F"
+      "expanded_key": "DB11D8AF1C25396EF6B5085183935678",
+      "legacy_metadata_key": "E1D0C8EFB76B4B18BE79E8DC9035"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "25BBA6152FCAC06FF872AFC7B077A1EE",
+      "derived_salt_first_section_no_de": "ADF7975924E629F8F06145ED8CF3A6F0",
+      "derived_salt_first_section_third_de": "EC831B81A2A70F38B0880DC0D30D00F8",
+      "section_salt": "D17D8D478E5B033FCD5FF8C5F58AEB55"
+    },
     "key_seed_hkdf": {
-      "key_seed": "845CC23982325477CCE3A350CC5F314F2648FBB7BAF3DF9895110612C77B8BD3",
-      "legacy_ldt_key": "3144A8934771D585AFB096DD0DB5FF9113009ECC5274472CEA3A05C4275DF71764295C668BC157D5B19EB672D5A9FC011E7B2427332F4F8617262B9C9A42CC9E",
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-      "legacy_metadata_iv": "5486859FB6FFEC0F2148AA7D",
-      "extended_metadata_iv": "D5B9A001021C5EF071F92D0D",
-      "extended_unsigned_metadata_key_hmac_key": "172C76102B644B39F99815A969AD30CB629FC0D16FEBFF7A9A4EAF9DEACB1667",
-      "extended_unsigned_section_aes_key": "A2515716EC3C2E024FDDB0D160825A23",
-      "extended_unsigned_section_mic_hmac_key": "364AF1167A6C48B084972643AB7A15830D55A8F7E3AD59CEEBA3893722FF3021",
-      "extended_signed_metadata_key_hmac_key": "6A13605E78F550171666B139C6DA1B25596FD1B192E5AC82CA1EEEA3AFD930FF",
-      "extended_signed_section_aes_key": "2A62CFDE1D3E0D1B21D092C66F5938CF"
+      "extended_metadata_iv": "87BCE3BAE82D0F95D189CEFF",
+      "extended_signed_metadata_key_hmac_key": "A2953180F297F101FAA8C412065283403E073B9F57EF37082D641CC973041AE7",
+      "extended_signed_section_aes_key": "51B3CE7EF2A7C0394E8FCAA3F08030B6",
+      "extended_unsigned_metadata_key_hmac_key": "977DDF77D4512DE863CEA4E52CEE4DF30B73DBA7AAB90F422B3C446835F9D321",
+      "extended_unsigned_section_aes_key": "20BE1BC32B4E45AFA5DB576604B36F0A",
+      "extended_unsigned_section_mic_hmac_key": "9A35548CB0F7E64490B867825580F937C001AEA050C2ECF8C034D67ED04F01F4",
+      "key_seed": "7A2DE87834F906F57B68B05226023812F019109C33D60903617A0F007DAD03F5",
+      "legacy_ldt_key": "9E575C6F86251C3CB60493DA89D9F70DBDA478F5A712D29C39A0C7AC92AC0D902A8FFF2EEA0EB74F73B41687C1B822C66F60174DB1B72282F2611D30AD9C299E",
+      "legacy_metadata_iv": "D478B0CCFAD4B645078D1E98",
+      "legacy_metadata_key_hmac_key": "F3C4F81465E5BD9A5ADD279A5E0FAAF2F4AF6A4751DE341E40FFC75BDD15CBA7"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "39E0",
-      "expanded_salt": "E522C57DCDE4527FF75AC58C7706A463"
+      "adv_salt": "15A2",
+      "expanded_salt": "76FC92E801752A77DAD82883D87175E6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "15BE604E190C489672573D96E4FD",
-      "expanded_key": "EF306053B647D91DC9DC781E0D876C99"
-    },
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-      "derived_salt_no_section_no_de": "E4300159A6074FAB8E0EE3B3B85B882C",
-      "derived_salt_first_section_no_de": "21678102E0F97289DAE61AFB143831EB",
-      "derived_salt_first_section_first_de": "522F10FC0CC8279C8E1EC2F486FDF2B9",
-      "derived_salt_first_section_third_de": "1200D5F999F73BBD49B89206388C3C94"
+      "expanded_key": "273E3A4EE5FDCDE2124CBD43317EFEC3",
+      "legacy_metadata_key": "8727F2AED267DC3E5BF3EFD53066"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3E6EFFBFC5A90B15C34D984095284ACD",
+      "derived_salt_first_section_no_de": "B3D1B2B6B5A529ABE81241ADD6429A97",
+      "derived_salt_first_section_third_de": "5A512C6E98A11FF02A029943B1CB172A",
+      "section_salt": "C2A2E1796ABCE73210BDC97FBF995E6E"
+    },
     "key_seed_hkdf": {
-      "key_seed": "3C0A3886840629873773337428A8ECE84F8B2024B19EAD620078C2C49FCFF276",
-      "legacy_ldt_key": "8AA82ADEF0C70F7C77FC6CFBFA5C557F1C6155DD9553D66CD19289544D6875C278AA4E0B8AB3D011BB351AFF7B036A8B3E24941B8C8AC254596862116B2DA02E",
-      "legacy_metadata_key_hmac_key": "9A240928236C01A5445127C044EF47BB46C1D18512FDE1D27ACF2614D2FB52F5",
-      "legacy_metadata_iv": "87D7C452EDE784408F6C2EE2",
-      "extended_metadata_iv": "D2566BF342EA18D9E07BD9D6",
-      "extended_unsigned_metadata_key_hmac_key": "7EAF1E9C6C917F99A2CB613E311FF6C4C526569DF12AA359593CB07055B1E459",
-      "extended_unsigned_section_aes_key": "0E4798EDAEFF192B24D8727AED96D4BC",
-      "extended_unsigned_section_mic_hmac_key": "19455B7C7267287A63242F5DF34824D0580F3CD551692B3122FAD6CF0B5B6073",
-      "extended_signed_metadata_key_hmac_key": "FD8780954DE2688C78BAE94843478DC8AD2858DE85C94825290E1944A2ACB1E6",
-      "extended_signed_section_aes_key": "6547C4C1379677C40DD196E27741D1F4"
+      "extended_metadata_iv": "1A76121A0A9F4FED38D81D5C",
+      "extended_signed_metadata_key_hmac_key": "0FBFCC6AF0F9E0E50B5952346A489E3D862825DD1E38F47A2AA91B1282B41E54",
+      "extended_signed_section_aes_key": "A3812765AA82126B31A555C584250977",
+      "extended_unsigned_metadata_key_hmac_key": "4378A8905EC3CA02672B7F9FC86B976E863AE63080BF15BEA8C21185CE7EE33F",
+      "extended_unsigned_section_aes_key": "145E63232DC3AD144A0ED27EC3C7F6FF",
+      "extended_unsigned_section_mic_hmac_key": "932F8474A3C51E1568A31CE7643C80B5A8C091BD0E1AFF97E9803595C9D2F354",
+      "key_seed": "08EA9C999C05CAF903E1843FA84563D191EE4DE24A7B7A0B3B70139BB681CABE",
+      "legacy_ldt_key": "566FC3FC1DB1039AA3D3D0B4F972F8EA191E74F16B02600537B5DC8AD8C6AD94DC97F019190E624717756AF71022FA1C2DAC16DFC9E749773ED79A41F58B32F5",
+      "legacy_metadata_iv": "18A9735D6186080B59857903",
+      "legacy_metadata_key_hmac_key": "4D79E51620039F091ED24BD630BF5D241662022496CBE6EDB3B2EBE1BB96E893"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D138",
-      "expanded_salt": "F2A7EE3A9E889C87EDFFFDD09EC8AF1D"
+      "adv_salt": "3ED5",
+      "expanded_salt": "39B400D649A4A745CBF27A7B47035ACD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AB585BEA9FD158EB467437EF3FF5",
-      "expanded_key": "F76F1D77E95C6AADCB6FCBF74EAF30B7"
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-      "derived_salt_first_section_third_de": "C9E89F67E58026E0382855C817F0440E"
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+      "legacy_metadata_key": "16ED7B0D75664D96929A65FC5174"
     }
   },
   {
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+      "section_salt": "6736970D6E3BC5052562C41F170BED9A"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "E82D5F9FBFFECBACE9E55A8B4DB8A6C7"
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   {
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "500DCB5403B652131380D8FAFF6B43EA"
+      "adv_salt": "31FC",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "B2FF0506896CE35891D3266E00195F6A"
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+      "legacy_metadata_key": "21883F0402647E744883EF716FD8"
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   {
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+      "derived_salt_first_section_no_de": "85A477C4A83CA27D3B34F508D20D8ED8",
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-      "extended_signed_section_aes_key": "61EB49BD4D03570C9BFD588D15C85502"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2785",
-      "expanded_salt": "27569A6781EAF1FBB5D290ED70089B6B"
+      "adv_salt": "8A69",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "250880CCE203BE91041CC1BE120E63A2",
-      "derived_salt_first_section_first_de": "CD87A29A74A609A3B6D5F2E71F36DE08",
-      "derived_salt_first_section_third_de": "83B7F591ACCCF1409ECCDE7CF2B3378A"
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+      "legacy_metadata_key": "5602770C91B520CEF97EAF77A6BE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "595CA4ADA558C71DD688D2756420BF82",
+      "derived_salt_first_section_third_de": "7391966FD4F65964C5B56DF3DF6BF697",
+      "section_salt": "44441E813E9B82753056174CE918DFAC"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0A83B1F12A462A65206D8FBA4B918BF9"
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+      "extended_unsigned_section_mic_hmac_key": "E475A5664235DF319CEDDA5235A3130F4D0F55D1C6CF53FF982BFF2866C7BA3A",
+      "key_seed": "DE1BAF0EF6F6DFDCF2E4A6AAA5AD28DCE0518DB8F7671823B534CF4DAE897298",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2EE8",
-      "expanded_salt": "3BBDF3A4A7462B986827D80FEC307707"
+      "adv_salt": "F54D",
+      "expanded_salt": "E5BBE1943864920FC0D18756F1EAC79C"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "544F7A7E9418163A38688484EA05",
-      "expanded_key": "184F2F4F4922ECCFF47053EF59631BFF"
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-      "derived_salt_first_section_no_de": "DFBEB4B25B42518E91F0563D303D8D09",
-      "derived_salt_first_section_first_de": "895459C353E1F4E485EECB5A68810FAF",
-      "derived_salt_first_section_third_de": "FD121467471BD4964C8D4ACC7668A493"
+      "expanded_key": "8648627449716811CB7EC3088EE35876",
+      "legacy_metadata_key": "34CC6F287F683973052AF4D4A5A1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "00609059BCFD5F60D1B6FBB3CA21950D",
+      "derived_salt_first_section_third_de": "740F61CFC24FE3A4608DF96FC50C7492",
+      "section_salt": "AE8DED295626BD432A72F1FD711B4399"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0C222968ED1BFA1F0B743AB0",
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-      "extended_unsigned_metadata_key_hmac_key": "B703ADCA473195844B87553601153FD51322488E9DD8831D04F56DA90F942B95",
-      "extended_unsigned_section_aes_key": "B880731634B14D3B7F5F76D7DD0339B7",
-      "extended_unsigned_section_mic_hmac_key": "AAF6549DF694C4A11D9CAAFCF42D0B0018B11B1C0AE7E3B51E75CAD4E5464B5D",
-      "extended_signed_metadata_key_hmac_key": "00E5599D161F6F3714BAB02C59A5C0DAE6B4617759EC93E577F4526580CBA223",
-      "extended_signed_section_aes_key": "CA21D4B80177E630A848DA568ADF22F1"
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+      "extended_signed_metadata_key_hmac_key": "67FA16622EDFFD4795A480B530878E1A2A935B6ED72F2CAC6B49ECB22954D52D",
+      "extended_signed_section_aes_key": "FCCCFD4CEEED34730850ADC17B9E6CA7",
+      "extended_unsigned_metadata_key_hmac_key": "0D5E80915CDC2017F0A429BC2B983471C8936068A01DFF85AE715AF057E816DD",
+      "extended_unsigned_section_aes_key": "373EA95FB2A319C867F27C6F03C2D363",
+      "extended_unsigned_section_mic_hmac_key": "12C0624D63D0359F837E4FB277C4D72F2C5000D79479FD173798F9D3E8578F75",
+      "key_seed": "97EBFBA6CF2B759DE3DAB86350CE4F0F3A303A831FC02DE07E19EF9F82813A87",
+      "legacy_ldt_key": "08B9D0CC04066BDAA81B41AF695259C4D5B20AE6250B1FD3E5D1B20BF482D66C267A2CDAD458F4E1D6D54E0ECAB73D274CAB715EDF933B196EC5586E8445D815",
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     },
     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C887E4BA9B55C349817FB3129E6D1852"
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-      "derived_salt_first_section_first_de": "AC9F5449B37E97B5F088FCA169081517",
-      "derived_salt_first_section_third_de": "F3DA2E308DB3B0F2F2BF22585F409737"
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+      "legacy_metadata_key": "B3E994C744F4FB9CFC6505B85407"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CA560760B55EA6FC011ADA0A8840A3B3",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1C53C836521D70A2D27752A084DB8495"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "D7EF47276B5D7DA7C8109B025F57AABB"
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+      "legacy_metadata_key": "411866E3047FB22E19A49182404F"
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   {
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-      "extended_signed_section_aes_key": "3D7415BEBCBC1E7B0E05D00446242396"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CC71E84B67CA406D25653BDCFEB03442"
+      "adv_salt": "293D",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C2D711FCB56DB7122E3E280C9F4DDE66"
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+      "legacy_metadata_key": "4FBD487DE4CD5C504947E77CC9F9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "041CAE2EA460C65E11FDE0B39EE2C454",
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-      "extended_signed_section_aes_key": "5149C316053C9267A748E0EBEE194CFE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1BF69AF646DCF2BD61F8F94DEB8F0C6C"
+      "adv_salt": "FCD1",
+      "expanded_salt": "4A9ACA41D9738ED18A3FF5295CC9430E"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "20E7D5DDE122390322F68BC31666B9AE",
-      "derived_salt_first_section_first_de": "3D20953CC5A1CCE6B688D2D0BAF0653F",
-      "derived_salt_first_section_third_de": "56D43157FADE7A4DD8CF848914EA6EE0"
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+      "legacy_metadata_key": "BFE9FC191980DF5697D0838F7DC8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A931265EBD3ABAD9700DFF212E81C0FB",
+      "derived_salt_first_section_third_de": "3DF9887DC177461FDDB0F0B3DF79264C",
+      "section_salt": "D1E12007BD5FB093044099990C0CBE07"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "DC3A89E9BB2E0D3CD767EACB4A061C90"
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+      "key_seed": "20367DFB3BB457D9851D4E691AAD494DE826B617D7FC770A52FA2EFE2D4E6A9E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D6AF",
-      "expanded_salt": "69A812B8DBCDE56C373D5250BDAA8775"
+      "adv_salt": "EA82",
+      "expanded_salt": "D6EEF1589F3246FCBA21199F3540B5F2"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "8DE744F314FBD0FACD8FA3E2D66C",
-      "expanded_key": "B30FCCC847A944AD69B818B23E2117B3"
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-      "derived_salt_first_section_no_de": "479F6CD52BBFBC4ADAEA6BDFE55CC917",
-      "derived_salt_first_section_first_de": "DF72A7E9F799746D1CB238160190EE78",
-      "derived_salt_first_section_third_de": "44F60809EDF831426CBCCD4674BD38D2"
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+      "legacy_metadata_key": "0C1628F8AC04A8A637679362D14D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3B53F6471A83FD8A8013F590D1D930CC",
+      "derived_salt_first_section_third_de": "8C70C0524A9141091EA16329B4743226",
+      "section_salt": "06424D600A0B9492D03BF0347ED4669D"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "44812A7079F4103062D83566",
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-      "extended_signed_section_aes_key": "48CA7F9F84CA43F90C251F9341BB717A"
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+      "extended_signed_metadata_key_hmac_key": "24B4B4C9A483132A46E6D469ED288EE0F64DB9CE4112FC647A1A7A6A7B833F8F",
+      "extended_signed_section_aes_key": "51D5D3B246FBA65BFA76E39625AB67B5",
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+      "extended_unsigned_section_aes_key": "F3FE20AAE571582C4E83E98575BF694A",
+      "extended_unsigned_section_mic_hmac_key": "93F0305A97D0D770DEB92709E0FC1F53E3E5128BADFFB03981423C97106FB7C6",
+      "key_seed": "B9EE04632D2F1ED6B1B9F517048CA98B10866DBDBCD8C03FE86D1FE2FC599218",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2FEFB776E502CDF1EF3B8C65C186AE09"
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-      "derived_salt_first_section_third_de": "BFC595FEA88CF448E3BE1CB384C67F91"
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+      "legacy_metadata_key": "392D05BAB03F1C96863456CFF3C5"
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   {
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+      "derived_salt_first_section_no_de": "AC8C07596248E5BC4F41967DF7B0D961",
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-      "extended_signed_section_aes_key": "3CCBE72E0FD9622B73EB6091B7F859CC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E32CF3BA6BEFA7EF8606487937ACA26A"
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-      "derived_salt_first_section_third_de": "35CBA381431EA7C97CB8E9A3206A92C6"
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+      "legacy_metadata_key": "BBC70BCBB8FFC2B56A20D96288A2"
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   {
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-      "extended_signed_section_aes_key": "1C7302DDBFE168290EA0F14563447BDE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2332C3D28898AC0DEB204913755732A5"
+      "adv_salt": "072F",
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-      "derived_salt_first_section_third_de": "9C29CEDA1F64FD9168FB2A1E0F2A002D"
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+      "legacy_metadata_key": "5E43FA6496647C089707D94ADAD1"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "67DA",
-      "expanded_salt": "216C0CA85514BDD68AA041BFF758B1F2"
+      "adv_salt": "B0BE",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "9F34876AF3E447349BDD1B65587428FD",
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-      "derived_salt_first_section_third_de": "3E09D055376879B630F1BB9C75529FD4"
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+      "legacy_metadata_key": "84F9657119551852069A8951B33E"
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   },
   {
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+      "derived_salt_first_section_no_de": "AF26EA627C6FE5316D94F9D92892B503",
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+      "section_salt": "10D37E1694E36AA955F01C1A90769FF0"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "94CB349D6C488BDB81DD170995B43507"
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+      "key_seed": "5C5D4DCC4B69971424DF8B2F8F136CD5F80D8BB95131EFEA8159E0108F4CDC41",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "97A2",
-      "expanded_salt": "C6FDB02EDD423A1ED962DA2F11990613"
+      "adv_salt": "45C6",
+      "expanded_salt": "08138CDC7743180FC29D01F0BACFFC00"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "5296FEFC3BA7A4C059B9D44053AD7477"
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-      "derived_salt_first_section_no_de": "C5314E3B3EF9FACD593A378C0A0B44B1",
-      "derived_salt_first_section_first_de": "7FD7864132B78C2419320C8DFD5CDAC8",
-      "derived_salt_first_section_third_de": "32D891CD3E97B13265FAB597B5FA7B48"
+      "expanded_key": "FB5E4A698BA97AD12B1526EAA0850BCB",
+      "legacy_metadata_key": "1FF7AC32FF6140A283ACE2772967"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5C5C352F7904AC03508E969594726C45",
+      "derived_salt_first_section_third_de": "BE5D31677B6AEDF0D3C63D7759A75D85",
+      "section_salt": "E1A4CAA581F257133F9C10C10F749FAA"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "21A82F0E75CFE34A2389871B",
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-      "extended_signed_section_aes_key": "801EE846033A5FB73F4DFB4D18ABAF92"
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+      "extended_signed_section_aes_key": "2A138F11AF094F96E0256FFB79D41111",
+      "extended_unsigned_metadata_key_hmac_key": "D7DA38076E5A3A8FC24FA4A74024AE6FB195782C3396FC65FAB03DFA8831C750",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "32226A991AF53FBA648A13CCD9C6E568"
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-      "derived_salt_first_section_no_de": "5F907A3B3C297892B7B4D7BF597D89E7",
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-      "derived_salt_first_section_third_de": "23E6FF7F588B037AF6DF1C4A79DB84BB"
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+      "legacy_metadata_key": "4350ADD6E02BCEB94E7433EEBBAA"
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   },
   {
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+      "derived_salt_first_section_no_de": "DC4FE5ACECF590142099516D40065B66",
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+      "section_salt": "36CC6F46BD73C7F024EB7AE10589C0D0"
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-      "extended_signed_section_aes_key": "1D37EC90701CFC9CC3B15C7594222C43"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9BAC0447646CF6FE17ACA5357676D18F"
+      "adv_salt": "C402",
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-      "derived_salt_first_section_first_de": "FB35363396F0571561B64AB51EFB43F6",
-      "derived_salt_first_section_third_de": "FB41E9BB60954A3EF882A1EAC002A497"
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+      "legacy_metadata_key": "3ACC87CA1631542A95634B83B062"
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   {
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+      "section_salt": "C3594C2F9B7B630474CE1B6E259E19EA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6044E226264E3F2C73C06217C48F9307"
+      "adv_salt": "0772",
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-      "derived_salt_first_section_third_de": "2F6BC9BC8D98E83720E066C14450CB7B"
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+      "legacy_metadata_key": "F6A9282D66621963A4DD14DA5F60"
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   {
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-      "extended_signed_section_aes_key": "CCD6F88CB60956ABFE4924062DCBA84F"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7298",
-      "expanded_salt": "9CEB884588B6D63E74A9F437E0A1EF6E"
+      "adv_salt": "4DDB",
+      "expanded_salt": "05E15052944C8807E83B0D02311E7899"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "8B8BD8685F05AC0A125BC6DC72300FBF",
-      "derived_salt_first_section_first_de": "46354477F0C5B8B7028C570A94374E32",
-      "derived_salt_first_section_third_de": "BB6C0C44E0B948BB01988951DB11FA7A"
+      "expanded_key": "5F5E3038F30C046414E62C7ED69ED169",
+      "legacy_metadata_key": "0CF61FC5567A9DC10368651E154D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "54D605441466EFE26BC0A078EB1F66CD",
+      "derived_salt_first_section_third_de": "67DF2342882079FC110BB360AF85C77D",
+      "section_salt": "9691AAE691C218217DDDCCA62E71D2AA"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4E8F4A7523C6390A6089BA7C1221F589"
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+      "key_seed": "9BC1F6229559BE308A8A9AA78C3D16CEC94F6EFD4520A68C0D98ED059051E100",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6082",
-      "expanded_salt": "FC6249D798972906A923A06AF34E3CFA"
+      "adv_salt": "8632",
+      "expanded_salt": "3D5E1AF980327BB62D48459A059B1F96"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AC0737C606359A7AEE53798D6590",
-      "expanded_key": "CC7287BE8B00C33FEFEA583F5D63CF7F"
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-      "derived_salt_first_section_no_de": "AECC51F7CFC37A279F5DF47C6F56BD76",
-      "derived_salt_first_section_first_de": "38D4879B7A38A1B6F64C1F524BBB5CBB",
-      "derived_salt_first_section_third_de": "F5DCDACB6F0B244AB22E551F4209FD95"
+      "expanded_key": "E68145FE4C26BE389BA569435083B8FC",
+      "legacy_metadata_key": "8BB2F7AA03300263A5377DCE862E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "FCC3A77220BAF777DF28EDE0FBC03172",
+      "derived_salt_first_section_no_de": "6191171408AE38F05ED1B74DF6BABB58",
+      "derived_salt_first_section_third_de": "9A2101EE0445593A9D60F22A1D4B4F57",
+      "section_salt": "015AA1BC9A0D95C10730A939077B8342"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5ABAA01BEC4CFD99D90B8103",
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-      "extended_unsigned_section_mic_hmac_key": "FEFFB20CBFD20A25476B79B3F674907D570AA554B2B83D8BD1312F257E8AAC96",
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-      "extended_signed_section_aes_key": "6401769D2547A934231410A2538CDFAC"
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-      "derived_salt_first_section_third_de": "B9A4D2A160225011F840AAC5BD1834AC"
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-      "derived_salt_first_section_third_de": "EB40A1C879F87E5055C524428EB9C23B"
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-      "derived_salt_first_section_third_de": "4E8BC475A4D954C7C516674B4653664A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "81663D1A3E2498CD4C15176B3BA34E5A"
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-      "derived_salt_first_section_third_de": "38944C5C44983F391CF5F536AF8BB00D"
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+      "legacy_metadata_key": "5D2615E311F76852D252D146CBD3"
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   {
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+      "derived_salt_first_section_no_de": "3995148EE6DFCDF6C2A89D8DC6417810",
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-      "extended_signed_section_aes_key": "84DA38C28295168FD047FA8F8F301A88"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5EF20AF507F0B79E6C0ACAB56A6FB1B7"
+      "adv_salt": "720A",
+      "expanded_salt": "861EC503D1A4C3F73A9D725AF35E750C"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "284F1D3BC1E0FF639E022FE672C12474",
-      "derived_salt_first_section_first_de": "A694974C0E34BE2290C153A31CC5DA0F",
-      "derived_salt_first_section_third_de": "15DC2A1F717376B7A21D5D6FC0E0A9D5"
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+      "legacy_metadata_key": "6F7FABCFB8027F832BB7415676CE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "01C8D3506E9772CB39AA197DC228A745",
+      "derived_salt_first_section_third_de": "20AC624DDE56F2288BF0A912585BE559",
+      "section_salt": "C10AC014A2F2FD16ACC9A51ADBD8CD83"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "88E222CA65598924A067A330",
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-      "derived_salt_first_section_third_de": "4474DE8BC44E427252C46C86AE4AB590"
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-      "derived_salt_first_section_third_de": "3C8B6D325233DDE592E0ED1CC82E432E"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "37016E1B22ED38E27AB1CF60D8797B55"
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-      "extended_signed_section_aes_key": "F97B3CFDA7F8533EBE123A6DC2D0EAB9"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C5B95ADD48CFAB31FB6A33F304414D2E"
+      "adv_salt": "9F0B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "874895AEFFB4C0695109DF77EA284406"
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     }
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   {
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+      "derived_salt_first_section_no_de": "E3C2FB850271C0A1214B5773EB747FC4",
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+      "section_salt": "171023CBFF1355AEC5FEF3A74A6F86BA"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "47E626B82CC090EF1581E960BE8EDCE1"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "45AD",
-      "expanded_salt": "3DC94A18131C0D059C43B509D100BDDE"
+      "adv_salt": "8898",
+      "expanded_salt": "2A1B5CF36F21DC2ECF3FC9692C47CBAB"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A45AAAE979C7C4DB2C99F0059DF9",
-      "expanded_key": "AC0492E36AC818D023058D2D6EE2C511"
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-      "derived_salt_first_section_no_de": "927D010A3B2FE355E467EC71D874AF43",
-      "derived_salt_first_section_first_de": "4B3B1B3150441FD5F01DA5EE80C3F1E2",
-      "derived_salt_first_section_third_de": "C60F88F40D3EE2E5EC9CB38CF016524F"
+      "expanded_key": "DFA2A5533B91AA56B9E5083A8DFEA3E4",
+      "legacy_metadata_key": "7F2D15CB936AC5536825D62B00E0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F5A84606A88207E1404F8B9D6F9162CF",
+      "derived_salt_first_section_third_de": "36DDB504CDB343DA4A4FFF6EB4BA9A33",
+      "section_salt": "2B37936AEEBAAB430945809C42AC86B8"
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F31AD84682776B3D36220785B85D27EC"
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-      "derived_salt_first_section_third_de": "D4ACEC29E07550F28888A780B4BE3072"
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+      "legacy_metadata_key": "641519C04877DC05BF1E9F6F7242"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1A9148F74B8F28200AFCC1D0ED207877"
+      "adv_salt": "E4CC",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A10D10F2B07AF911D41110F0024CA90E"
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+      "legacy_metadata_key": "E0F6EC8DF3ED6B392A2056761AD6"
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   {
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-      "extended_signed_section_aes_key": "7382992309D9B6981C20C0B37B3144B9"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "8E7602BF756E2314D5B464D26501A639"
+      "adv_salt": "A4E6",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "27B5A29ABCB8C0F585961FC631EB6118"
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+      "legacy_metadata_key": "A61F6AA418E6B8809523F86D721A"
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   },
   {
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+      "derived_salt_first_section_no_de": "FFD47335FE0562183C751BC1FD33CC68",
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+      "section_salt": "DDB194B8C1D0213FB9590185A101D80A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "ECAF64C946E560BC1AC4286A79A55378"
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+      "extended_unsigned_section_mic_hmac_key": "A6EF63BF56F6C52DE066CDD48712B4B946D3ED8A0E65C457D0397BD022610F4B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E617",
-      "expanded_salt": "39DB730FA82B43969DF96EF1A7979287"
+      "adv_salt": "8261",
+      "expanded_salt": "ACE228B25E368353114924961002AE10"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DB38242FB14EA814A1FBF23D0F7EF7CC",
-      "derived_salt_first_section_first_de": "45CF2C6DEEB36F2AB839C367615CFA7A",
-      "derived_salt_first_section_third_de": "827AC419DCD080C5467AF52D7F1B1431"
+      "expanded_key": "BF37DCE1A65DEB93FF42E524C00BF473",
+      "legacy_metadata_key": "BA578B4E7BA8787CA8DB63708977"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "198947B0B85CF36820BBC11EEE141C6D",
+      "derived_salt_first_section_third_de": "531DF047C3A752A3C2BE57219C2BBDAE",
+      "section_salt": "9C138F3BC35BF3DE7F0A860E73BD37E7"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B21CCBF4B374E54CC84A5322",
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-      "extended_unsigned_section_mic_hmac_key": "80DE908753BCBBBF71534CD84381D73F164E9EFAC067A4B6F6F4DCF477626F54",
-      "extended_signed_metadata_key_hmac_key": "6898C1D2B8CE1D648296E887C751D3272123EEEA7EA6D0336FEA7EDDF3D6F97D",
-      "extended_signed_section_aes_key": "54BAC40F069EF1871CFB94A62D850E41"
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+      "extended_signed_metadata_key_hmac_key": "C8AB6577792184CFAC6C4D80C7CC8E666D138F4A7200B3DF13F718FFBF225FAE",
+      "extended_signed_section_aes_key": "1558249410EF6369456AA7A3930B5B5A",
+      "extended_unsigned_metadata_key_hmac_key": "9F688E5624898684A0FC950575CFB66A98A4DA5E2742F5F1F72A9C50A0170E73",
+      "extended_unsigned_section_aes_key": "FAC2E487B692CBFE62C476255879ED9C",
+      "extended_unsigned_section_mic_hmac_key": "BED5439AFCE65397372CA54BBBD458EC11A28EC67AE697A6BA71C737AAC392A8",
+      "key_seed": "DB01EA6CD4E664FF080D4DB2BAAD96909AEA6213333DD433A40DF3946C93ED64",
+      "legacy_ldt_key": "1914A8B8B8C604717D1ABB63318C23532CD1F9B1FA20C127967D4F17DA5FA414D4E5325E5B6E539C1CC86544E426B5298EAFD25EE765F673A7643BB2E8D382FF",
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+      "legacy_metadata_key_hmac_key": "1FE1C2B864C265FA8FE7DF72259E36D283EC4DBB045DC3327DDC74297C00823B"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3A0D",
-      "expanded_salt": "D6B2F1C9383A8A63C24C8B5B980A932C"
+      "adv_salt": "BC54",
+      "expanded_salt": "99519074F0590192D425D934B91CDDF6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EF702848BE20F123439864DD1508",
-      "expanded_key": "E3631981E8E1BBAF86E914EF97EDA60F"
-    },
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-      "derived_salt_no_section_no_de": "7F7CA88B060104BF758126CD473F11FF",
-      "derived_salt_first_section_no_de": "3BE75DC393FC896156FA09B771C10206",
-      "derived_salt_first_section_first_de": "48C626541A89166912366AF2B8B7CCBB",
-      "derived_salt_first_section_third_de": "274F5C1E78872D2D185A66A23DBB7299"
+      "expanded_key": "FB7D50B161AA1A082597C3A80184F06F",
+      "legacy_metadata_key": "0A8B9807DCA4FB02B3186C9C35DD"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "869BAA12CDAB00C7A222F83A09FDB021",
+      "derived_salt_first_section_no_de": "8F03CC95E2B24989BEEFB74D204A3AF7",
+      "derived_salt_first_section_third_de": "2C3033416D9A6171409B33EB988F3DA3",
+      "section_salt": "0FBA8F7896472BEC47D7FB231A187B35"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "66E6E826C0531EC5C18CDD6BFF7DEB85"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "989800A200BFB921F9489E7CF5919C12"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "208ACF8584D69145047787220DF38994"
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+      "legacy_metadata_key": "658172FBCBCBE95216909E9DBD96"
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   },
   {
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+      "derived_salt_first_section_no_de": "E9F13F38E8FE2FB65DC572E0CCBAC583",
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+      "section_salt": "BCDA9DF5858AB23D74385FF78D7F2395"
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-      "extended_signed_section_aes_key": "35B9D6500DE593F24AA5557346BFB0C8"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A492DF9C3291AA8F0B6ACD1181298127"
+      "adv_salt": "036D",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "A1A8E01BCB2F149AE4F3FEC845F9A1DC",
-      "derived_salt_first_section_third_de": "EBC63899D49CF083743BF2D8872359C5"
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+      "legacy_metadata_key": "7D0343DFBF228A0C559B8CEECA39"
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   {
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+      "derived_salt_first_section_no_de": "F727AF8DC6CF2A41C314FACD1F80D284",
+      "derived_salt_first_section_third_de": "DA4114544641F16AEC0AF7D077ACB9A1",
+      "section_salt": "1A656CFF4D9BE4E87546E06922434FB5"
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-      "extended_signed_section_aes_key": "438EBC4C730EA0545D88363380F332F5"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "90F7C9955B21B5CEBE423DC10A663034"
+      "adv_salt": "84C0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "09EE919BF0356A213D7ADC26C84D5EA6",
-      "derived_salt_first_section_third_de": "4173802222C9D3E0BFF9A82C24CDF7D0"
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+      "legacy_metadata_key": "47174678CF6FA7DEE0E05334E06B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "021D1824FF0D46468E254C7417010EF6",
+      "derived_salt_first_section_third_de": "71072302A93C89CD07907A2C30436265",
+      "section_salt": "7CDE00AC84F62FB7936948FB6B95D40A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E184FABC61A56B30F7A7EFD5",
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-      "extended_signed_section_aes_key": "39E43530557086330754F735819228AE"
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+      "extended_signed_metadata_key_hmac_key": "A3C71ABFA7CE16E128CA091991BD6DEE3120EED0AE5F31CFFDF3E530A8208505",
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+      "extended_unsigned_metadata_key_hmac_key": "C3856345BD635C43A0605BF2DFB81A692D139CA9A61EA88F49BEFB9204E79439",
+      "extended_unsigned_section_aes_key": "D73F1B993768B41AE951EC13DAB736F9",
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+      "key_seed": "62034832E628C769C45D5C3C3D548FFFC66E10756E7AD4DE0C7B9AB62BDDDDEE",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2876",
-      "expanded_salt": "971E39CC5AE309811594CBDA477308F0"
+      "adv_salt": "5699",
+      "expanded_salt": "BE6BB375C9956FCA60348AD6FC770D52"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "B2C3D7AD3741633D257A465C3CF046B6"
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-      "derived_salt_first_section_no_de": "B59A9B0DEE027FE42185C8E1AF80665F",
-      "derived_salt_first_section_first_de": "71D56CEF0D91C48FA59F53198998C158",
-      "derived_salt_first_section_third_de": "DB807ECD0F67199D410229BDB104B52F"
+      "expanded_key": "6634868DC35E8E14979A31C7053D7103",
+      "legacy_metadata_key": "0B6956C229BE28808BC2F0F1D70A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2AFDDF6CE5808638ACCCF0D97E63AA73",
+      "derived_salt_first_section_third_de": "C824ED3E8890CE08C926ABAAE18BC67A",
+      "section_salt": "4B41FF36C2933198DE83446E0FB432D2"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "0835C8FE513DFC17CC1CFF2C09ED590A58EF83DF703CF9FC1DB94EA2AF2D1CA8C317BB0D7F26224BB1FE7D48C36EC3FAED37315C15124F7E60355AB070A66E64",
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-      "legacy_metadata_iv": "7878BD1593FEAC0ADAF4571A",
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-      "extended_unsigned_metadata_key_hmac_key": "6203ECE90F13830E81D009022EEE9EFB129E9C66B97E15C836E1CAC2C9059C77",
-      "extended_unsigned_section_aes_key": "FF9422B9D164FC34CC24677A66D19BB3",
-      "extended_unsigned_section_mic_hmac_key": "F17179EFFD740EF91691F04B85576CF2170A9B6785C0BABF9A1B444677B7D073",
-      "extended_signed_metadata_key_hmac_key": "225913F7DE79152A7489207948C887778011EFC179B8A39A41002C7E74C06A2A",
-      "extended_signed_section_aes_key": "2927F3084A653A44502EF524B5C4E468"
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+      "extended_signed_metadata_key_hmac_key": "0938656A0BEEC2AEB7301E35F1304AE7753A65DA72A34F8AD2811FE041FC183C",
+      "extended_signed_section_aes_key": "E0AC579A38A055936BF59D0ED96D7C12",
+      "extended_unsigned_metadata_key_hmac_key": "6B8EC181FE621DA4DBE739206E6ADB1F4DA0D6F679D5BD565B60254DD69C4A55",
+      "extended_unsigned_section_aes_key": "CB23D8FB79E934464B5A1F4834CCF8B6",
+      "extended_unsigned_section_mic_hmac_key": "CDCD67E87A4E8A505F3E236DB7039E273F50DC91083ACB47F9103DFCE9B1028C",
+      "key_seed": "27D3335E575FF5F78687067A03B25314AB423A89C14DA3827F5D8AA49DA50A6E",
+      "legacy_ldt_key": "FB9C787387CDE0FD3E9F6F8E8FDFB7E4412A08C561BE4AC522BC0BEF4DB3AEC4DD1A922A230ADBD7588DD25E678684CB6FD9AB11E69F12A476DF0296B4E6AE53",
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+      "legacy_metadata_key_hmac_key": "DAA2F61C2F59810758ED9CBB203F36C8AB5FBFE2A3E1C7B48F33DBF0D44FA394"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "60E2",
-      "expanded_salt": "49CC0E71BDFA3C080F07F07989BFBBCB"
+      "adv_salt": "6ACC",
+      "expanded_salt": "D61D4B5CAC2130DE87C66A2139633B9E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5F5130D61D964301A5654ACEC9FA",
-      "expanded_key": "0F68C10D0A9FDAB78E4328FF825216C1"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "8A4FFD654790A707E5E9BE8C6C64B060",
-      "derived_salt_first_section_no_de": "CB90AC7BC89066A2720234BB613696E1",
-      "derived_salt_first_section_first_de": "78722335299E5B6BC4CC2951A382A2B8",
-      "derived_salt_first_section_third_de": "34FD1E94778B9FB296C761E5BE175031"
+      "expanded_key": "150D844EEA1A74427A44A75AEE7C54C8",
+      "legacy_metadata_key": "610D4DE403479EF31CC0644AF7E0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "F28A623E175171EFE43278AF72633DC3",
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+      "section_salt": "886B4FF7A06AB4A911DBF3BD962C525E"
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-      "extended_signed_section_aes_key": "72D38A6ABE8EBA348E4CD2F96A63412D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2E8007C0F5A8459E51C510876260F95B"
+      "adv_salt": "99E1",
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-      "derived_salt_first_section_third_de": "F421A10C4F2BB84040D6839F3D38EEFC"
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+      "legacy_metadata_key": "2264E14310574DC254BCF1A5F117"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E44A7B9CC4C003D7C28713B0C2B93816",
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+      "section_salt": "30EEA803C91D76C465AD9D45F567E3A8"
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-      "extended_signed_section_aes_key": "F6A1DE27ACEC3FAF82BB61BDBD7862BC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F1F5481A0D3E599CA437AAA323C0F38E"
+      "adv_salt": "7823",
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-      "derived_salt_first_section_third_de": "08A2B442D835A70178E188B84187D388"
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   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F6D3C6A51AD4529E7E8F1522D66E9E97"
+      "adv_salt": "1ED3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9EA9C326626B726EACD61E9A602707A5"
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+      "legacy_metadata_key": "2DF2B6E6DD0DE4303A96BBCDD9A9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B80A907EE5C33C4B19333EC0DB60783F",
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+      "section_salt": "A2D922473E18E5FAC6575A0167B90B05"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "36EEDCAA3766801F52D358834A09D1E3"
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+      "key_seed": "F18C859790E13FB1F2A04B257149350DC4735987A7BDF5B65830FB44B97AF7CD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9383",
-      "expanded_salt": "B0D235B343BF885B0AFE5229E4471473"
+      "adv_salt": "FF24",
+      "expanded_salt": "A027C7AF7AD5FAA69346C0C33178CED1"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "177B27C666A40309FC6B0D4B2B3B4460",
-      "derived_salt_first_section_first_de": "ABA56CA2B1618296161956CA6CD32BA2",
-      "derived_salt_first_section_third_de": "87F5B5D5027018D815CB09E73FEF5157"
+      "expanded_key": "1B9410BA672AF3BEB993C1A525A209E2",
+      "legacy_metadata_key": "9D659CD69B4BF6050004EF540D45"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F562806E8B6E3CF96BD9F0C8912C96D4",
+      "derived_salt_first_section_third_de": "C02AFC741B08F60D0CEE071EEF6C9418",
+      "section_salt": "A7B23AA37623F6EA0622DF8777A07963"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B9010F4E61EF2D46A368107E",
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-      "extended_signed_section_aes_key": "42F667A80B09334BBAB9FD5A96A98D04"
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+      "extended_signed_section_aes_key": "F56BC83F8631EF07298C58B72B64C8C3",
+      "extended_unsigned_metadata_key_hmac_key": "A92257B517794C4D6DC6D428F5923E49B0F571454C5720C0CAE2D0AA801D9FD9",
+      "extended_unsigned_section_aes_key": "A2A99669778E10269B0C1A238AC07B2A",
+      "extended_unsigned_section_mic_hmac_key": "B5C092860370D8FCCB032EC14DE934FADCDB86F800675B8C731923F48D8F1220",
+      "key_seed": "1A7141EB9B3ED3CBF5091BEFD266374A25DBD2916AABD5401C5CAC699339A24F",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1377",
-      "expanded_salt": "2FBF7D634A849775B2ECFF8A9109F0CB"
+      "adv_salt": "864B",
+      "expanded_salt": "6B3DD6BCB2411A1F8EA3855823F324DA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1E62B94C3E1C9FCDE33A3B68202A",
-      "expanded_key": "68A0458C18513B98C47880C398ACA821"
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-      "derived_salt_first_section_no_de": "D9EE7448A9BA588ABD25AAA2CE3FC8C4",
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-      "derived_salt_first_section_third_de": "943A5EC4DCD5A26A421B1ECC2E9E5551"
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+      "legacy_metadata_key": "B67E88A465BB5008F533663C4370"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A5C103B9D2D948F1FE0306ADCCFC7924",
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+      "section_salt": "AA43650B928B92DFDCE36FF016381A71"
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-      "extended_signed_section_aes_key": "FB910DAE714F46D1354011F33822D582"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "32B3F1C73BB5E544A5D967B096261A48"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "CE298C2627CC1A9A1188BE45C9725C0C",
-      "derived_salt_first_section_first_de": "24AFD0615BA73A1C242FC27B6D9A44F9",
-      "derived_salt_first_section_third_de": "84FBA0ED72E5DEE7B4253A0383C556FC"
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+      "legacy_metadata_key": "CD9067652260F600CFE4938640B0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "152104DBA89A07EEE83C4C5F2498C481",
+      "derived_salt_first_section_third_de": "4D7E505355442D04FE3769159114FC01",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "15BF7FB0F357959606BC26683FD22E82"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A864FA45B1BDF8A853BD373077EE703B"
+      "adv_salt": "7DA9",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1BC168675FFF3BF009AA69F31A49A9E9",
-      "derived_salt_first_section_first_de": "AA9FEE3E00B2B67513D03A9013AB31FE",
-      "derived_salt_first_section_third_de": "A258179C70967BF30C11E676C48251D6"
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+      "legacy_metadata_key": "3010D21F14DFDCDECCA482454CCF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BA55ACE78620E7F96823251199B26D07",
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+      "section_salt": "BD13B6AF91158EEFE1CF800A7894E536"
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-      "extended_signed_section_aes_key": "F21AC99842C88FC409E331C436BBBA65"
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+      "extended_unsigned_section_aes_key": "7FAF03D73571D4958A3BFFD7B9333539",
+      "extended_unsigned_section_mic_hmac_key": "9BB251A17B12B8AED3C83223D87B8568AC18228F27106CEE29117A3261EFB70F",
+      "key_seed": "D53635615A5DF5ACC0E9E2252007913133B192E18D9F99DB5AC2D6664674DA2C",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C503",
-      "expanded_salt": "EF4C3FDB17D32411E35C981CC2F0DF48"
+      "adv_salt": "2816",
+      "expanded_salt": "6E58EF099AF281AEE3F48A0B638B66CD"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "1EC5176FC81E75A7C64435EF0460D790"
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-      "derived_salt_first_section_no_de": "7653F0E3331C28834C8D6E9C9A883106",
-      "derived_salt_first_section_first_de": "5F9E5AB24A354DA53950B23A63F12D7D",
-      "derived_salt_first_section_third_de": "5AF61B7825A11A88B573201D3671CFB0"
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+      "legacy_metadata_key": "8F9190ABC05EB25975C8163B9B4E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "318D300B273A841391407DF1EA990678",
+      "derived_salt_first_section_third_de": "F6C4462588698A1327AF8C5727F8D233",
+      "section_salt": "C5AB9542815304C9CABEDF9D13A63777"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0F02124027BEB34FD912467A",
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-      "extended_signed_section_aes_key": "7541081F9F604E9098004AAB80C1F85C"
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+      "extended_signed_section_aes_key": "55719FC663D42279AE65DA11523D4354",
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+      "extended_unsigned_section_aes_key": "C17A78BE9B333EB9C54C0B729F088C04",
+      "extended_unsigned_section_mic_hmac_key": "D6359DEE4C7AC1F316AB3753F5510081CC5BDAFEB766F5C196E807CC20D405E0",
+      "key_seed": "365B715C7A80F6FAB6D16F6A63E66CB0DFB42F011F9709F100A83F293272EF37",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6BD4",
-      "expanded_salt": "3E73D3F91A5436DE9CF619BC149568E0"
+      "adv_salt": "C12D",
+      "expanded_salt": "1EC182E88A3D4DE1C3500B19202ED6CF"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "90C623FD8931966464FE55D79D54",
-      "expanded_key": "8AC32C80A273ED268E20ABC382682615"
-    },
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-      "derived_salt_first_section_no_de": "BE2EF3020B8C359F7E46261D8A1D991C",
-      "derived_salt_first_section_first_de": "93DD51C199E9724FD6139B7731372128",
-      "derived_salt_first_section_third_de": "115FB7377F8C0AE3408DA84F4E6C7567"
+      "expanded_key": "E0550B06344CC003692E5DB4E368B98F",
+      "legacy_metadata_key": "FE76E5667AF042F4C95EF2B29E3F"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "4A488B2CC479C3C778EF732C69F95D01",
+      "derived_salt_first_section_third_de": "74898B8A456A4FA1D6F015979F97D200",
+      "section_salt": "BEF11A33ECF7978DED3ACB61CFD53D6A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "3166CB918C1C13DDA1968BB3",
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-      "extended_unsigned_section_mic_hmac_key": "1178AD59DA6999D948A8BF435693FE53CAA0318A39A4266F7E6AF7054D31779F",
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-      "extended_signed_section_aes_key": "E995217C0779FB1AC4FDAD935805EB45"
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+      "extended_signed_metadata_key_hmac_key": "A644EDF5A13C2389620F5E4409FFC13F8BE3AD92CAE758245C2E012016E7B398",
+      "extended_signed_section_aes_key": "7E5F5F29A26671FBCEA9FE97DE50C1F9",
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+      "extended_unsigned_section_aes_key": "F8C7D1D5D9979343C0C71AC4D697893E",
+      "extended_unsigned_section_mic_hmac_key": "83D39B5CCE31A90AC03F7F80D320EA9FB6117D522F7AB32106FDFF788668413D",
+      "key_seed": "6D80A34ED4064D4B8DEB3F7D5CF0AD341A02B315759A389AC2BB798223ECEF97",
+      "legacy_ldt_key": "6AE03B0BD038A1E27B5F0347C649F7C66EE45B867089C9B64316F3407F3B4636636641CDF6556AC73E2A8850A7FE5D1DF5E962117C7690020A86F30F0FDF0427",
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+      "legacy_metadata_key_hmac_key": "A6E914497E4FB2A580A098ECBB6A11672FF0F84C825053FE587BABBD60400E83"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F994",
-      "expanded_salt": "64F6DBF6371EB5C2BD0C82D41144536B"
+      "adv_salt": "32EA",
+      "expanded_salt": "37B0BA6005F002664F64EEEAA5AA7384"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F7F9F77A3721BF5143CE68DEC610",
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-      "derived_salt_first_section_third_de": "563F7CC3DAB01F1145888C099A158BFB"
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+      "legacy_metadata_key": "8DFCC55FE24A313D9C5D87697581"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1DA1589D2533E9555CFFFAE3F107CD84",
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+      "section_salt": "3F4ADB1253E4D8799287D9498BFFD1BC"
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-      "extended_signed_section_aes_key": "C07158121507D85615260D5C01BF894B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A5D91E6F97248EBDA96F49A2983B1E40"
+      "adv_salt": "F547",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "01DA9A7E24F0F85B9731422DDF23E204"
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+      "legacy_metadata_key": "F3E4302304959752A6437CFA03CB"
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   {
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+      "derived_salt_first_section_no_de": "DA92B1F3351942133E161377146EECF8",
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+      "section_salt": "A97177E42EEF5BAA6979F4423B5154C5"
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-      "extended_signed_section_aes_key": "2C54B10411866736C2533E56BD2319B4"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6B04758D83CA7C291597E9963A9F106B"
+      "adv_salt": "3E4B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "B63BD5D56433697ABC0C125B194A4D6B",
-      "derived_salt_first_section_third_de": "9D3566BDD862B503FEC5BCF49164C96F"
+      "expanded_key": "A4B273638D85980558505A73E644E62D",
+      "legacy_metadata_key": "56DEB786587211837BCB724BA229"
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   },
   {
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+      "derived_salt_first_section_no_de": "8DD2D967C0990825E44588FDF9986CAC",
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+      "section_salt": "11FE39535255DD3B618D4BFEA71DF39A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C7E844EDDB33916CBD7FB3BB877D29A4"
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+      "extended_unsigned_metadata_key_hmac_key": "DF10CA1D06963A925E0716B5E370EC99CEBD4D2986486DCBB39163B3ED8D017F",
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+      "key_seed": "9D4A7B8030B63936A1273CEBE0DF2F244F68A59BC51D0E26E444412E5720BFF5",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "101D",
-      "expanded_salt": "41DDE65527C8EF0539B6BFF0C467C97F"
+      "adv_salt": "FB80",
+      "expanded_salt": "5CAC916076A54F837FDBE24005A4528F"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D5D1FB2C6F9FF259B4B2F0D92C92",
-      "expanded_key": "E57872691604AAE5AD4B14802D71D5BC"
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-      "derived_salt_first_section_no_de": "A8B7D29CF8877F64F273EE7280BEAB63",
-      "derived_salt_first_section_first_de": "55E0A5F2578F67118B1C6E17AFCA03D5",
-      "derived_salt_first_section_third_de": "654EA7E9D5791F22B159E893195E701D"
+      "expanded_key": "7057CADCCE44487324E93B66B215FEF7",
+      "legacy_metadata_key": "0F7BC7ADABB79EE81EF52AF1DAAB"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "31BC2CAAE6623DDDAA0BA4BF3BC120A6",
+      "derived_salt_first_section_third_de": "F79FB8D29634E5FCA0D1A99B998558F8",
+      "section_salt": "30ED2B226A4FC8A9138AB3F11CB9E166"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5B1CF27F141225B79029F476",
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-      "extended_unsigned_section_mic_hmac_key": "17F4EC0E3D9068B44E889B52502498E4D15F4CDC466E7EB3CD700CA31A1D5F49",
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-      "extended_signed_section_aes_key": "46C7CD3B896A6D43CA824FFFA43F0003"
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+      "extended_signed_metadata_key_hmac_key": "33993AA78C3456978BD5A8F37446E614809F26C11B3A209DAFD8A30B67FBCF51",
+      "extended_signed_section_aes_key": "CE576AF562359037A3788DCBF8A187FB",
+      "extended_unsigned_metadata_key_hmac_key": "469BE4A50338021B01451B63BA92B3307EAB409BC569DA04AF31B121C8B9E2CA",
+      "extended_unsigned_section_aes_key": "F5EEAEC478583D4EB9E4138AEC83DB44",
+      "extended_unsigned_section_mic_hmac_key": "C17377ACD9CEAC28021518F25F56C53DE5BAF51B3678393E853B4B5EE80A75E1",
+      "key_seed": "7779D82148A53FAB3FB7518DCCD637961F1913B80415080E1A278A6990BD0479",
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+      "legacy_metadata_key_hmac_key": "884CA611D4F6533DF61282EE9668C99F444077550DD244A2A05063A500511162"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E1F6",
-      "expanded_salt": "082E101BA0CD32240B26B6D51AC7D18E"
+      "adv_salt": "7176",
+      "expanded_salt": "D94A5CA76C646923C3B6CE79732F1785"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9FC7754E30A574400B58FF64B425",
-      "expanded_key": "D7903BC2A349F81CBF1FB6C3316E181D"
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-      "derived_salt_first_section_no_de": "F234994749F95CF786939E8C67B41639",
-      "derived_salt_first_section_first_de": "7C172BA785FF2827A72421BE39B507D7",
-      "derived_salt_first_section_third_de": "1257BD38E3C2E837DB8C3788839A6CEA"
+      "expanded_key": "794807AF59A638098E8D879DEC3BC136",
+      "legacy_metadata_key": "AE8B71C17C21E19BA03AC90703BF"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "89055FE0A62D6FAC1024DB6B4D137C2A",
+      "derived_salt_first_section_no_de": "6773B147E849B48225835BF61A25D747",
+      "derived_salt_first_section_third_de": "B4257D3B13513D339DD67E353D8E0CCE",
+      "section_salt": "F641C7BA2C5336AE482D9E9E4951D976"
+    },
     "key_seed_hkdf": {
-      "key_seed": "10A1E51F60D84ABE3DC0FCA7621912A33C2F6CE098D1315A8348FF108DE42749",
-      "legacy_ldt_key": "487B1CC3CCEDE5541C194D83E90042620C6847B0F3B1ECB2BDBB86F3AFE0DA9C87F7DDDC2210DBE7A83FEC2455FDC9229B67446C6DC9C3BEA099A9CC9C08AE82",
-      "legacy_metadata_key_hmac_key": "0C3B3C36038DCF40B8E48D3ADE87526EE4F5E42F7B08B3E44299FFFAB4714CE1",
-      "legacy_metadata_iv": "F013DEF78621E854C2B7F5E4",
-      "extended_metadata_iv": "F7DE1B38BC105BC1C20FC5B0",
-      "extended_unsigned_metadata_key_hmac_key": "556051CFE430C5D2E916A340D23528DA8E2A656E1129B38841CB9B52C1DFECA8",
-      "extended_unsigned_section_aes_key": "1DABE74D69109E5B3380F2EC2F843CB4",
-      "extended_unsigned_section_mic_hmac_key": "23B87CED79DA0066AF4C3FA2B223B7A792F3D6E4A51A47442C92C61E2A0A5D6A",
-      "extended_signed_metadata_key_hmac_key": "FA8630F9A649D6D2FEFE784F1A13B674DD468769B91D3A85C2B5F72B8DC31577",
-      "extended_signed_section_aes_key": "9C889A70D1C1D337DB06056C14C5E169"
+      "extended_metadata_iv": "D40BF5F69B47E47B4E188749",
+      "extended_signed_metadata_key_hmac_key": "343B28084A4E58C3115A65E8D0607C35D82758F08E37D4839ED2868A6A28884B",
+      "extended_signed_section_aes_key": "4CEFF83A1371A01BD63B7C52A532AD74",
+      "extended_unsigned_metadata_key_hmac_key": "0677ACBCBC33C7297EEBC1DB311A85700A6F5928D88FE57E0A77C82B4675DF47",
+      "extended_unsigned_section_aes_key": "1E0A89A51A82991590E73EB16B51A78C",
+      "extended_unsigned_section_mic_hmac_key": "809C5DF2B3CB267372EAFB5A5A373AEC4DB60B60D619B0630B954813B9611436",
+      "key_seed": "ADB819663A333D85CA42B0BE124A1C24298BB8CF4D30D9876D8C7911EA25AD38",
+      "legacy_ldt_key": "8A5998A4D3C9AEA0A484199496381346C25506BBA7609839A4838CCA962F53C094E78572A6658A428A059B02FF9526229879C9B001F2873DE27F92C385DCEE7A",
+      "legacy_metadata_iv": "A48D5A4FFEE16D1273A57E2B",
+      "legacy_metadata_key_hmac_key": "31B632784A11E7293ECD712DEF8F5976DDB6251328E2FAE0833B98EF29C4FA55"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E062",
-      "expanded_salt": "AEC68C091B85B92EAC083E5A8DA66248"
+      "adv_salt": "E48B",
+      "expanded_salt": "0E246B7FD3F413C6A10741503DDED5B1"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EA65F9042D0762198838FDEDBDE6",
-      "expanded_key": "232FF4CE06F0271D395D6953539D9B91"
-    },
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-      "derived_salt_no_section_no_de": "59C07E06076D3E5EC4AAD9923C642FDE",
-      "derived_salt_first_section_no_de": "21FD82A7367B81E43772D6D2EAA9E9E1",
-      "derived_salt_first_section_first_de": "2BD44C493299D70C6D23A0E90FCCBBDD",
-      "derived_salt_first_section_third_de": "69DCE2AC887FE5414E350E00863180CF"
+      "expanded_key": "EBF88738D6669B687F14EF0DE0C07459",
+      "legacy_metadata_key": "44E7845DBF45C0D401D9B2FFB88A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "FA1AD6C17C4F1E37CD6AD6C3E8236DDD",
+      "derived_salt_first_section_no_de": "31D77DDD32BF86E31FD26C356D4D7201",
+      "derived_salt_first_section_third_de": "A797A45E2D1DB3514DDA0E33151D2A9D",
+      "section_salt": "12EE359AC73A15F883DB557DC87415E4"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "E9AC158C5F8E71B6D3559E17AAF3149645693D3AC6E2766E2B5D20438B7F93E24058870CAC726FC5898D29EE9B3B904A7EC7EE715C9D52DF0C65F0F176373EFB",
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-      "legacy_metadata_iv": "C006FFA6E63C47988446924F",
-      "extended_metadata_iv": "A1B106DDC8ED570DB4270FB0",
-      "extended_unsigned_metadata_key_hmac_key": "8A40BE26B5055399AA6AFB32CA1250CD912FE991075E365C810E3F5C93E75ADC",
-      "extended_unsigned_section_aes_key": "4A2D7F7F4C5AFC74F58C59B6C3D4CFB3",
-      "extended_unsigned_section_mic_hmac_key": "8BA4D110FCFF6DC2AE5668A77E94C4413CAAB526378FE6707FBD46219C60FFA7",
-      "extended_signed_metadata_key_hmac_key": "5FD3DADF44BF5B492B205FA663B0D2900DE7246B90FB0A0CDA0EDF3396324F1F",
-      "extended_signed_section_aes_key": "7CA1E0752AB197C3E91D3C836F5F4905"
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+      "extended_signed_metadata_key_hmac_key": "56DC64A6B2A521275E51C06B766CE214111494AE207554F5CC911AE6C112EC9E",
+      "extended_signed_section_aes_key": "148BB8A488B49D4B5E534815B59F4C62",
+      "extended_unsigned_metadata_key_hmac_key": "51C31D7864A902D2E1159760E897CE76928906C04DBB20E970FBBAD2A150CB1A",
+      "extended_unsigned_section_aes_key": "D9F1EA328534AFDBE5BDC22C9AEBDBB4",
+      "extended_unsigned_section_mic_hmac_key": "4204C705269C8D65CF99194D78AC00D8929D8FB573A83AE305A735C0D8BFB8FD",
+      "key_seed": "2FD14E0C277E7A387FC830B3DA8014BDF4A4D37172CEDA927566B6C5CEA88478",
+      "legacy_ldt_key": "2EDF05969E27C8DCF706502EE83BBF2D262B452C327693A4595EAF255C2AC0F70FBE6085B221D61722D6D8A47E3C21C861C9F01D54B9F1DA3EADEA9DAC59B458",
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+      "legacy_metadata_key_hmac_key": "C706C6BC98A1FE7AF7F06312AB2CF47FEEFAD426A1EFBD4ED924030F5FC71DBB"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C2EB",
-      "expanded_salt": "B43780C800D5AD7D08C52997A01CF01E"
+      "adv_salt": "BA2B",
+      "expanded_salt": "57F7D2787C534B002149B04F2D54BA55"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6D31D43F6318ED3416663CE4BC6C",
-      "expanded_key": "5DB00DD647EADF41473C844D265FDD66"
-    },
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-      "derived_salt_first_section_no_de": "CD2732816875FA8E19891C419CA044EB",
-      "derived_salt_first_section_first_de": "6334583EF7B6C8BFDE389D6376967823",
-      "derived_salt_first_section_third_de": "138DA43FBD77A1449DFDD837499AB68F"
+      "expanded_key": "566C56CEB041409D7484894024E8FA72",
+      "legacy_metadata_key": "11C5119B843BFC87D991015E691B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3840DB4DA4BB32594F6B835BADB81B3D",
+      "derived_salt_first_section_no_de": "1D4F360049446E5F48CF91CDE22B1ECC",
+      "derived_salt_first_section_third_de": "7DA5F664ADFDF094DECCBF7F92A617F9",
+      "section_salt": "79EB8A31D14BD7108971D370A86CBF48"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E44069563C5D2934FA2F87DC",
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-      "extended_unsigned_metadata_key_hmac_key": "31B57E52A9195C223F383E078E51C0DC9290DE8DA66AD1FCE7080232F00682F4",
-      "extended_unsigned_section_aes_key": "D1F23335F6AF04BD51F7828314E16EE9",
-      "extended_unsigned_section_mic_hmac_key": "332FEDDA7D723E6201E0DAF1D5F8B94CD4C7FF619D70A091E838212AF8401997",
-      "extended_signed_metadata_key_hmac_key": "47BF8EE69F8799C8B6A69589F08F628D519D74B2B5C5E87FFBBD10604A7E6879",
-      "extended_signed_section_aes_key": "5A99C68FF025CEEFC72127CFDF5429F8"
+      "extended_metadata_iv": "F8C07EA4357CBC22095E2963",
+      "extended_signed_metadata_key_hmac_key": "357BFCE6447C1D8600CEDBE70D2449DDA0AFF83AF340A13DD134B388AD3ABB18",
+      "extended_signed_section_aes_key": "FA1F52F1DEF1EE7D57831E5CCDC3020B",
+      "extended_unsigned_metadata_key_hmac_key": "DF3564E54BC2D5F3CC54AB8AD0E4765BE2E1F29D461213EDE570C17714F1DF42",
+      "extended_unsigned_section_aes_key": "396280CCFAA1C4489C44A219D8570556",
+      "extended_unsigned_section_mic_hmac_key": "20329417E2B5A9B0499400DB578B19A464F5CA00F2941E0CE8F45F1D3097A54A",
+      "key_seed": "A4D0592A2681EF05D5D177C2878395485ACF0DBF75DFD2335DEFBCE4B7CC425B",
+      "legacy_ldt_key": "F65F44334450D79D7BEFC8557B6E3D76669BDBA221C08FF8D25F668DBBEAFA64F9C7F51E206969B278333AFDA106D09CC6ED6C2921272117CF1500255EC76211",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "28FF",
-      "expanded_salt": "09A8EEF94576A01C6DEBE08E9B0B9B0A"
+      "adv_salt": "C365",
+      "expanded_salt": "05DA1369E391A945A442C2CC3676FBB2"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1902D187E8BCC89B9AA5341B8F4F",
-      "expanded_key": "B834109870771182FEE555B84319999E"
-    },
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-      "derived_salt_no_section_no_de": "DC3D2555DC95969039DF046F6AA02C21",
-      "derived_salt_first_section_no_de": "39579BEB95BD6027E1648573D7F5664A",
-      "derived_salt_first_section_first_de": "F610AEDACD72AB18C762284ED732EFA7",
-      "derived_salt_first_section_third_de": "A37FE1FF4A9B4CA4D50F33AD751A5168"
+      "expanded_key": "45C2DDECD0878836FC197AFEC13BA0DB",
+      "legacy_metadata_key": "484A9CE8ED985FA194DD77D2354F"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "DDF9EC141A79F0185FD37E760EF69668",
+      "derived_salt_first_section_no_de": "88AF8A64211CFC722662E77DBA461D77",
+      "derived_salt_first_section_third_de": "D43759A61592FF6F89D40B9D1507C8BD",
+      "section_salt": "9D57DA5A3766B0B13598557147CF67F6"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "E6949FC000F2AF3D73A57F3F475272FBE5B3BE744FEAEB1E6E817C0E6211AC5CFFAADDC7A420033F1089021070AEFA3B0F8A3B9FAFE4A7C939C55C2481BE27B9",
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-      "legacy_metadata_iv": "DAAF689FDFE3784FF54105EA",
-      "extended_metadata_iv": "A96988A4B0CE4CB029279D68",
-      "extended_unsigned_metadata_key_hmac_key": "2B040807A3179EED28A2B490E952F700D0FE5A89EFD0831712E58AA3F1161758",
-      "extended_unsigned_section_aes_key": "D7C867ACC8AEC56E70180C5F7FDAAF53",
-      "extended_unsigned_section_mic_hmac_key": "EDC88D98B615271192D548AEC084D631C00B89E20F18D1F665BDA095D43F7C67",
-      "extended_signed_metadata_key_hmac_key": "3E67422202FDF450A5C67B6DCB581E560438DBFD90582C1EAD3FE57D051C8D73",
-      "extended_signed_section_aes_key": "2500698AE6F55986A9598ECEB6C56F36"
+      "extended_metadata_iv": "3298AEBB9322A5B795FBC671",
+      "extended_signed_metadata_key_hmac_key": "2C155D6EF0F83D053320DEB9F9014DE176BD72EC289243FF8EE553E23F4A7CF5",
+      "extended_signed_section_aes_key": "448937EDB663A6B8DF5902060CA4BC89",
+      "extended_unsigned_metadata_key_hmac_key": "CACCAE477D54E5BE449EB32AB840F107145A1E5451323AC0D851865B51C25D4F",
+      "extended_unsigned_section_aes_key": "8939036829F59BA1CEC74F42BE41781B",
+      "extended_unsigned_section_mic_hmac_key": "EB7C41DCDC9F6F367877BCDB306F4000A0F01ACE35204BEB206B7BDD88F8925B",
+      "key_seed": "112E5F231CA297CA8F8D93CD3BF4815DE415D203AF3DEC28A1EA8434E6BBE1AF",
+      "legacy_ldt_key": "EA036CDDBCE57B6359305ABB0CD0B95528CA7DAC3379DF077A12D6A4B4BEDDA6CCF3C34B705D61F4B23F1DB4343BF19143E4491384A753F222252992C8F1954C",
+      "legacy_metadata_iv": "B04D11A8C027C0178BEC1406",
+      "legacy_metadata_key_hmac_key": "8F4117950AE3DC2AD7B94B86BFCD32B775BBABF2AF3F23704D00FF07E815127C"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C781",
-      "expanded_salt": "146F638BAD479BC9C23F3D3BCB780BD2"
+      "adv_salt": "1CFB",
+      "expanded_salt": "55C3EEFD3914400533947F78553BB046"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D1653D632381EBB881329C4825AA",
-      "expanded_key": "47215D57C7BC9403ACBDD0450B5C616E"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "4CCAE8F0B0F837CA3951D8A32E9950E6",
-      "derived_salt_first_section_no_de": "F84D62D61A4AE66936A98D712D4365A1",
-      "derived_salt_first_section_first_de": "23382FA445D3467C736AF525DC93392F",
-      "derived_salt_first_section_third_de": "B90A12A4BC6923DA652532C09502BA7D"
+      "expanded_key": "5CB940FD9AF7E93EA90A67A5A4843963",
+      "legacy_metadata_key": "5DDFA82F682B6152068EEA66E80E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1957E4CA06426B97F44788B378B0E4E5",
+      "derived_salt_first_section_no_de": "47E0496BC33E8B8C8A4AF6A734A643F0",
+      "derived_salt_first_section_third_de": "86D648E1E152BBFADEA671F103A362AD",
+      "section_salt": "4BBAB645842FA8A2683641BF61183A55"
+    },
     "key_seed_hkdf": {
-      "key_seed": "F2F7E77DCC010AD3AA0A860FFEC4788E1FB3DF3A0743F234643CEBCE36A4675E",
-      "legacy_ldt_key": "39A41EA9D7E12C0431BFB0409B70C3A65A4AB76433C963E41F35B85959B43B91D09E3C69EE8D0BE21E33CA160F9DAA5EA57CF18CC9FFF77E64D3ACAB00A24122",
-      "legacy_metadata_key_hmac_key": "55C566FA15AD3912056B876FB0E4E2E5E0E0CEBC960EE4AFA01433204B017F81",
-      "legacy_metadata_iv": "AD317046E33A97092A80E704",
-      "extended_metadata_iv": "EA0ECE7E23BA0BC3FEA16A66",
-      "extended_unsigned_metadata_key_hmac_key": "D2E451DAF48E32A17D56C788E95A4CE2AD2AE0771F92F0E88FFE6697F75A44C3",
-      "extended_unsigned_section_aes_key": "25DBA6AA75E3E03CDDC2B96EBFFC8A32",
-      "extended_unsigned_section_mic_hmac_key": "17590650BF055A156E9CAA86EE10C29437F09816C0AB12CA0F9E9263CCE3A883",
-      "extended_signed_metadata_key_hmac_key": "AD9B80735062F7AA7F7B7B41FFC1CB94E14AD86A6F5A99E1E57F1D31F69B9405",
-      "extended_signed_section_aes_key": "DADC0DB38BA1CC0850F845EBC69D321F"
+      "extended_metadata_iv": "FBAD32C0F24A2658F25EC00D",
+      "extended_signed_metadata_key_hmac_key": "35A394397F703B4B7C4513A4E18806CEDF73DB7ECE5457A20FABB0917898253F",
+      "extended_signed_section_aes_key": "E26F9CD7F01F34392BFF8F39E4C08218",
+      "extended_unsigned_metadata_key_hmac_key": "90840237B237C610D56C6ECAE03897682D657484EBBDBE105C311BD700BA5AFF",
+      "extended_unsigned_section_aes_key": "055482485814C7883CE3E0CF35EE7B57",
+      "extended_unsigned_section_mic_hmac_key": "2596527142EC51F1F2B0421A5C1AE689BB5049C23078AA13370E51B9C56F0979",
+      "key_seed": "3CD3BA09DADEF0132725A417DB1AB74ACABB8E9A39648019BF716F4B9B4CC006",
+      "legacy_ldt_key": "1C0A0CFE837ACC248284243F225A3BFC6FF96D23F43FBBA1E49AEA37295858ECF71A853723209E947C8ABFDFDD0F2E4B8C424195183E7D0F9C5421D6774E6877",
+      "legacy_metadata_iv": "CBA34C353E0B56A761C74FA3",
+      "legacy_metadata_key_hmac_key": "5F8B72BCA721EED01EB349A11FBCD307DE8028C320B0B7D71C0CF2CFA31DC9E0"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9927",
-      "expanded_salt": "9ACEE0BF4A079C26A443222195A865D6"
+      "adv_salt": "C105",
+      "expanded_salt": "203283EE23CE8EA935CC2A69571B20E2"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E7649DA3AAF6598EF82D77F812DC",
-      "expanded_key": "2DA0A1F039049C9C4A726B70986F7992"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "EA66EF8303F570606A8F927CED8E9C31",
-      "derived_salt_no_section_no_de": "B9358DF989548A4AAB0D26CB0E36EC40",
-      "derived_salt_first_section_no_de": "38BDA61F7053EABE686D314A8CD22339",
-      "derived_salt_first_section_first_de": "05E49E4EF12AEFE63D8FF638D82B42DB",
-      "derived_salt_first_section_third_de": "EFA38878DBFCFA8A6E0216317CFEC1C7"
+      "expanded_key": "E5875D25AE42A5D7DA3F7492E17B0EAC",
+      "legacy_metadata_key": "7D863F43B31BE26BECB98CD539C4"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4EBF39295282648698ED2DA522CE5887",
+      "derived_salt_first_section_no_de": "E2AA9E8E50872149D4157988B1E8ACF1",
+      "derived_salt_first_section_third_de": "1A0B60A0E6E7FD02247907B6930502EE",
+      "section_salt": "9458F63B08ADB265C0CB1C4CAEF99857"
+    },
     "key_seed_hkdf": {
-      "key_seed": "8C095A2F617BF2C179429A050BA775A0C83F6B7877346A3A0400618FABDC0675",
-      "legacy_ldt_key": "56C5EFEB3CF41CA6E746CED3D7E86D517C2D9010EC96BD6EAF63FF3DE29036B5B255A61673222AD1595FE1AC1529F038075AE65AED7F5620896E894E75D5E555",
-      "legacy_metadata_key_hmac_key": "08F7D94F7F9BCD0C48171DE66469B521C9CDB88D97665A9D7125B532FAAAB395",
-      "legacy_metadata_iv": "BE6E6081EA9B307EC4973FB0",
-      "extended_metadata_iv": "CA37443B387C1A0E44B3FB2E",
-      "extended_unsigned_metadata_key_hmac_key": "8850AE6469BAB6539BC945B1A8103D522B8D321EEA43F363A24EB48D06464978",
-      "extended_unsigned_section_aes_key": "086ECA00EB775C82FD860F94B21AB969",
-      "extended_unsigned_section_mic_hmac_key": "5A20308F50DD4D5D0DBC745F7A90604AE8C6556B9B24B117333729EAF38EE56C",
-      "extended_signed_metadata_key_hmac_key": "94730D7A79D8EA43CC63183C6F22174DD3FD90DA659B0196B682757B6DEFA5D8",
-      "extended_signed_section_aes_key": "795DD1E85B922D7F18E6A4B0DC520736"
+      "extended_metadata_iv": "5AE57396B780F2C9FF83FF29",
+      "extended_signed_metadata_key_hmac_key": "02DC72D9ED3A23F547E568D9910CCE120BC6AC82B542FAF0508B2F9A2B3A9E9E",
+      "extended_signed_section_aes_key": "788E5DDC5993B1772943218AFF93A27A",
+      "extended_unsigned_metadata_key_hmac_key": "5875E4710EEBF4A74DD101E8A0A5D819F0B5BD4C81CED6E25FAF38A37B630C97",
+      "extended_unsigned_section_aes_key": "C880197CF3E522B58E10F6B5F23C542A",
+      "extended_unsigned_section_mic_hmac_key": "D60A10967897DBEA0092ECBF7757350D8042E49BCE05A0701C2201241AF1A05C",
+      "key_seed": "0D60041F5756DA4FABB7E366A1A76E42FACDB7A2271D50A775419992FB5C492C",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "77251482FD35DC0C5F37657E73366BBF"
+      "adv_salt": "C079",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "ABF9344513CF0B167CC88B0942230333",
-      "derived_salt_first_section_third_de": "2C1AC462704B2727AB96B403123C4292"
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+      "legacy_metadata_key": "0B2FA680D5647B8CAAC173025B06"
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   {
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-      "extended_signed_section_aes_key": "089BF384844B5CE7BCDF26FC592418FB"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C8EB",
-      "expanded_salt": "912739AE481947BF5191D56F8305D937"
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-      "derived_salt_first_section_third_de": "4F26C636A2F04232E4B80D7F5EF0569A"
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+      "derived_salt_first_section_no_de": "C3C2A45904C0B3E432E26933381F6FD7",
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-      "extended_signed_section_aes_key": "22DECC6FF6F7DC054F31D3D8BC9F0D54"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F7AA",
-      "expanded_salt": "C9775795FFEEF40FEDC30796E32CDA02"
+      "adv_salt": "D531",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9AD873C2FB4F05B80C699C284E043665"
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+      "legacy_metadata_key": "B6EA6DCEC9402301C2A61CC9C1AB"
     }
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   {
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-      "extended_signed_section_aes_key": "3238D1D6E363E855AF07C174BEF4C266"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F5AD",
-      "expanded_salt": "2009B19C5E0EB710E13EA7025584E541"
+      "adv_salt": "7E2F",
+      "expanded_salt": "4DE20C25018798A828987AC02A4010D9"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3C3B97065B9875232EE1B1F06AB2",
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-      "derived_salt_first_section_no_de": "D078F67BD0304C22A3946E3D027AC923",
-      "derived_salt_first_section_first_de": "38CD714ADF5D91AF7250D5007ACA6306",
-      "derived_salt_first_section_third_de": "7CCBE9F0C5424170B0FB4A390E405E8F"
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+      "legacy_metadata_key": "A9E2C34DBE698943469EBAB7CD45"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "958C78088635A1584604CD91C6ED77FA",
+      "derived_salt_first_section_third_de": "C31874ED99534EA84341ECE87EFF1F81",
+      "section_salt": "4346D34FB2F97DA8FB5A1DC15D467FA8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "77756E57EA696BF00650B5CFC9C179A5"
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+      "extended_unsigned_section_mic_hmac_key": "D792726D864C7A1BE5E5FE9431C3D6625BF426AFAFABFA1671EF13A57B2A2BB1",
+      "key_seed": "64461411DE1E5CEE725D8503C5EA52C2CFBBA0360222401A86DAEAE1B313A591",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A70F",
-      "expanded_salt": "62F48BF03964FB3E0012DE9C6B313F9D"
+      "adv_salt": "F652",
+      "expanded_salt": "EE83DC8F63DF6137D6777972CB5AF2FF"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C1CF26ECA1C8480B0BAE9F9E6DBE",
-      "expanded_key": "598CB1EF997202A5D2D6E3558DEE07E6"
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-      "derived_salt_no_section_no_de": "8082DC3BF418EAA86D9904545B1ABE55",
-      "derived_salt_first_section_no_de": "7A17EA6F6F783B9DF32A9F2BA9E966E9",
-      "derived_salt_first_section_first_de": "BB8F94D170BDA26F43961F91FE410360",
-      "derived_salt_first_section_third_de": "BBEBF35F14C4D4D5FC05869BD6D14DB9"
+      "expanded_key": "B6481238A3D55D6636D6505F9C9A6531",
+      "legacy_metadata_key": "69DCB273EE29302F30E490E583A2"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E0158FA50C198455F09C87A302D1E6A8",
+      "derived_salt_first_section_no_de": "B022B03C0D8045A69B68A1D9E38024CF",
+      "derived_salt_first_section_third_de": "ADEA174E74FF751EF772DD6CD2DA9BB0",
+      "section_salt": "698551D0066512AD0DC8B3DAFA252966"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BA528CE596C7538641C35866",
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-      "extended_unsigned_section_mic_hmac_key": "2D5C98ED225B869EBFEFF3C5A885635ABF664C855A7296F68EE9FD4F7192966C",
-      "extended_signed_metadata_key_hmac_key": "3E83B36C7D9D65CE5719CCA3AE0CCB6700A9218893F10B916EF736C7CD84FB65",
-      "extended_signed_section_aes_key": "46EBDE5877DFD20D2A7334A8E6018513"
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+      "extended_signed_metadata_key_hmac_key": "11B97ADD093FDADC9F39FB79C4FD5F1AED72FE9E5C6337CE89AF13C6FE0D3DB5",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2E00C6C015DDD82999D46A7151974662"
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-      "derived_salt_first_section_third_de": "E37261FA09FCCF9AACDB922C0248B543"
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+      "legacy_metadata_key": "C73579BF3BDDC79718ABD592640F"
     }
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "05E12EB231A41522C80A8ED905D64663"
+      "adv_salt": "0373",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A31B20EEEDA57A0771F93608F29E4404"
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+      "legacy_metadata_key": "D9054CDE826DD60A9EA02A210709"
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   },
   {
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+      "derived_salt_first_section_no_de": "44BE1AD88BC3DEED874DCE4F59C524BB",
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+      "section_salt": "C62093C34D3ADD0B75428CAA7BBC2583"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D000CBCF1187EEA1D5F155672F7E88EA"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EAA2",
-      "expanded_salt": "D36D9D2F7978E011DAEE026FFC381138"
+      "adv_salt": "F7AD",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "3D4EA677BA8EE73E82823087B91A6903",
-      "derived_salt_first_section_third_de": "9328111F4531A5E6BF70BA907342750B"
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+      "legacy_metadata_key": "462146E57F173B02525BB7C3FAD9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C27A2ECBBE83E9909F9FF971782F8592",
+      "derived_salt_first_section_third_de": "6C9046918CA6495C53DE1324BEEA642E",
+      "section_salt": "852CE5171469A4B2B8EDDE541047E9A8"
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-      "extended_signed_section_aes_key": "4B64FDC835481741DABD6E71C45F24D5"
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+      "key_seed": "51E556834C76F317C41CD33B0B10F18F4344C6C9CCFED8A7AD376BB125E08245",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8545",
-      "expanded_salt": "3BEABED2578E9691C4129890A98306C6"
+      "adv_salt": "1FAF",
+      "expanded_salt": "CC091B470D8F2E5CACFC14D06E08E57D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "76F8848FA7B8C5A9F71DA74C3278",
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-      "derived_salt_first_section_no_de": "56CEABC9ABA65EC9B579182E7BB28359",
-      "derived_salt_first_section_first_de": "83D72EA355F4928403858187D880DCCC",
-      "derived_salt_first_section_third_de": "ECAF1B2E14A2B78F1C1EF0EAA4DA6BD8"
+      "expanded_key": "3E564D08F314E9B450C80817FEED6B89",
+      "legacy_metadata_key": "AB014CB1546CB36D71971CC14A07"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "988730BFC2604F3D5C831DDA4F397379",
+      "derived_salt_first_section_third_de": "AA15235B47B1F2B4639AC829C02FCF09",
+      "section_salt": "805CA5084F3D503C078004555777762A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "331AC8B694F750A94D324DBD",
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-      "extended_signed_section_aes_key": "FDB173A28B0C74F62F366BC178BF6D74"
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+      "extended_unsigned_section_aes_key": "F20EA7B2BA85A66D2B9D1432CA019AE1",
+      "extended_unsigned_section_mic_hmac_key": "D3CCD554634758BF985F820A3762584BC528C836CD6ED5B9A19148ABED2B4A09",
+      "key_seed": "3432BEB290AC754D2BBEB2EECFBA72AC13F84D2E822AC70B662062107D4D14B3",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "71E4",
-      "expanded_salt": "59E7BBCEA192D9806C4B82730BEFD40C"
+      "adv_salt": "1134",
+      "expanded_salt": "7561EB19C8B793EA2F23911BF1184555"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "501B01875547A11BFB347D34113E",
-      "expanded_key": "2DA2258E0E4DA08E853B003412521AD0"
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-      "derived_salt_no_section_no_de": "7429D90306EBCB7DF1BFEED590707681",
-      "derived_salt_first_section_no_de": "730AA189E85344A3079CA0E8CE2B1A0E",
-      "derived_salt_first_section_first_de": "C4EDA06440A23ABE3C8542C69C0F2EDD",
-      "derived_salt_first_section_third_de": "16C40D453FDCEB098DF02373802E7DED"
+      "expanded_key": "B426233392ACC4A09174115427FDF8AE",
+      "legacy_metadata_key": "B4B221AE864912ADE66EFC3FD5C6"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "0A7AD8FAF5C83756F7883C7F074EEFA4",
+      "derived_salt_first_section_no_de": "9A8FC589520DE839D6899EDD9C42CD0A",
+      "derived_salt_first_section_third_de": "7A47037D13BA218B2526BBCBA8E32751",
+      "section_salt": "FB703E60A8B731C3D57D62C036460F26"
+    },
     "key_seed_hkdf": {
-      "key_seed": "E141A918A4CBA0A7C3554AA6EA87CA21366F9C3E419393549D2B90C91E3CF610",
-      "legacy_ldt_key": "E15D168AC8D40C2D973B3ADF653177FBC1655062C8EBA5233A23A9370755B82B28B79D38C99C47FDCC15077F44DF4B94BE01783EE0F0FBA42965242775965FBF",
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-      "legacy_metadata_iv": "AC8E23178256BF79BDF335D9",
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-      "extended_unsigned_metadata_key_hmac_key": "0D14DCF65AC81E8A5617425FEC38ABB8D0DE968EEC664764C2050E641F3DDCC1",
-      "extended_unsigned_section_aes_key": "10B9A1F7D10586C030B6E3E38922DC32",
-      "extended_unsigned_section_mic_hmac_key": "FDB0E3DF7151E9765B1DBCE225BA03BDD2A9E2BABDE4A086F8E0B672138C2597",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "22303796EF126248D8582C57EBB09D48"
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-      "derived_salt_first_section_third_de": "9F80D73B8A1B35B3E87D35AC67FB3D9C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "2A8401ECDEBD214B30FBD2120AB220E1"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3277029496352D67787B7D1D7C6C4566"
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-      "derived_salt_first_section_third_de": "F8802E84011DD652F004FB16FB617F00"
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+      "legacy_metadata_key": "ADB1AFB17F95B0398ECE25B61B25"
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   {
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-      "extended_signed_section_aes_key": "22741AE94FEB36644EB8CF8C17035A97"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "01CE",
-      "expanded_salt": "2172F1B093E761A3229A71744EA25616"
+      "adv_salt": "BB4E",
+      "expanded_salt": "86C67557201DA1E6110E3EA030D4B2BB"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3F23EE1A89C847718181018083A8E60D",
-      "derived_salt_first_section_first_de": "54BD65ACC1D27405B0EF8EC8B27B051C",
-      "derived_salt_first_section_third_de": "804E946EEC8D54FE4F86F95CDCFA049C"
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+      "legacy_metadata_key": "4A9990729AA261442F6D9A7FCCB7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E83262CD3349DFB84A8C069DF2588633",
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+      "section_salt": "9E0025A3FEB57D618702B6C48625D25E"
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "920687AE19073BF4C413B609675A1B9D"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "AEA3E62AAD76759D3BAC5EE3DE937D87"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AABA418B8C7D33D1672F56860FFDAE10"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "02F4F31B93B711628824E3B34A50084B"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "FB00F5D479D8585739E5CA5A3D072226"
+      "adv_salt": "593C",
+      "expanded_salt": "2E7E5C50F83CFC90F45BC72E6D7B410B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1BD0255C3AFCA267AD0C939D6C506C6A",
-      "derived_salt_first_section_first_de": "FB62D62E1A64C45ACE2FB10C3C9C5760",
-      "derived_salt_first_section_third_de": "7E7C273093F9A82AC8F6232E4C709A9F"
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+      "legacy_metadata_key": "98BD5B39D92CE642C79511A922D7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "156544CBB7D9B4F6BF9A18802E17E106",
+      "derived_salt_first_section_third_de": "3DD694D4D5C76073CADB2D078DA27D20",
+      "section_salt": "02689AF5DD752D7052AAFEC666CD66FB"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6F822F0C5AC4E74877E39D7BBB061A43"
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+      "key_seed": "5A6E048BF4C6ED3BFAF8836933C73F01180C91C61A1CC4B38173D2F89EAEBEDF",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "02CC",
-      "expanded_salt": "C155000D22447D7B8952E53952797557"
+      "adv_salt": "9576",
+      "expanded_salt": "7D813F17CDE3884074517B719FECAFDD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "56F7BFF102C2DCA003466DB76029",
-      "expanded_key": "9B66A54DFD328815B9D5F93EA96DF9E8"
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-      "derived_salt_no_section_no_de": "CF8075C279423A96B19DEC3A0BB4F89F",
-      "derived_salt_first_section_no_de": "E24815BE6925E6921E1ED2D7AD71A8A1",
-      "derived_salt_first_section_first_de": "57CD1917B86CCEFEE90C2BE9EB169A9D",
-      "derived_salt_first_section_third_de": "2B3D9CF236147A204B3DE29EECF1832F"
+      "expanded_key": "025BB3F406F3824BD111E9C89FD2AA67",
+      "legacy_metadata_key": "7DF67BE907D892869E8743D86AA8"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "928C982F145E5160B3BA7A2DA00A37CE",
+      "derived_salt_first_section_no_de": "7EC3B94C3B9619D7B21DA4A3AC540C74",
+      "derived_salt_first_section_third_de": "307419200BC95F6CD1F3A92B69F73C3E",
+      "section_salt": "CDB544082F9FDB8FC4F25E195AE60D73"
+    },
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-      "derived_salt_first_section_third_de": "FE8688A3F6AEEDC9611081BA58954499"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "D1BEE18CCE32A694B54EB046E9BDDCF6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C6E943A3A343C8DFAA47910CA4F437B5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "4D6866211A8E5EB1AAFCA9B79FE50441",
-      "derived_salt_first_section_third_de": "D71A729D475AA9B328809A200C5FE3E5"
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+      "legacy_metadata_key": "3787AE6AFA31190246DD3DFB02E0"
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   {
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+      "derived_salt_first_section_no_de": "958D8EC061CC4AAD214583DC43520B8A",
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+      "section_salt": "FA3D78CF0F0E45D7EC77240C4EE5C5E4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "99AE0E657415CC7F9A83A26B15DC7AC1"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1008",
-      "expanded_salt": "B563369058B405D2D39E6052E7AD04A2"
+      "adv_salt": "3EFF",
+      "expanded_salt": "AF6662D7B8A6AEEA77172C83E60F1ECC"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "50CB442987A87B9A35C6F59E68BFB329"
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-      "derived_salt_first_section_no_de": "D8660A11ADFB6F1AEB24D7E9185CEBDB",
-      "derived_salt_first_section_first_de": "79B49223BB43E36392F950199003C137",
-      "derived_salt_first_section_third_de": "896BFEEE6BB6E7ECF8B488F04496B729"
+      "expanded_key": "FC82C6F337EB429EAE1D313C74FCD296",
+      "legacy_metadata_key": "A56FF77F856D62760F6B883B1E70"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "64498B75D0DB3481DB0A65EA809FEFBC",
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-      "extended_signed_section_aes_key": "06E0411049D028AFF548A76E869E5874"
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-      "derived_salt_first_section_first_de": "0B0F51C1DAAEBC31753D864BB51C6760",
-      "derived_salt_first_section_third_de": "CFB27EDEFDC9CA37D827F0A15CC15C71"
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+      "legacy_metadata_key": "6B00FD77E31446E57F311DA43E66"
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+      "derived_salt_first_section_no_de": "8158C70D25B2D1660C05A5B9B42455E9",
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-      "extended_signed_section_aes_key": "AA7EDB625574B08EA08BD44816265376"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "FF5EAF26B32D20FE48DA4E6D60C27F3B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "886AF27095D1E8A357DC8F04A1D04588"
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+      "legacy_metadata_key": "85F7E001911046E3F7E7558A3133"
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   },
   {
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-      "extended_signed_section_aes_key": "CA436A6A34495E4AF110DBB17E13E021"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "917C3344F955C2A1C754C647AE7EA74B"
+      "adv_salt": "D78B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7FF45EE1B324324B4EE38E12DCF727D0"
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+      "legacy_metadata_key": "102F8E8447BE715FF2572FDDE003"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "45BC19490723481FA7457CD7D135EAF7",
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+      "section_salt": "8303F9941125906FCDBC9781DC9A36BA"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "92CC8D7BB5B03DDD072814C3F73E05C4"
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+      "extended_unsigned_section_mic_hmac_key": "9618AF036E8D128CDD72D9DC6EA1ECE97B0ED6463A660C17CEA0B96914FE1840",
+      "key_seed": "E7BFEB4C8FD7976C87BBF7B52425BBEC306F02BD840D35A4F7236B96C04FF7B2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BDD1",
-      "expanded_salt": "F08097D61595D51BBF4DD904B5FA8865"
+      "adv_salt": "ADF9",
+      "expanded_salt": "BCF20CA3D1A18883EE5A8609FDA34766"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "26825537E66A10E4A8E5E29486585D96"
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-      "derived_salt_first_section_no_de": "B3E4C39DCB91270F590B5CC937022CD0",
-      "derived_salt_first_section_first_de": "7E6E4DA6C56338A92732C173860FBFCF",
-      "derived_salt_first_section_third_de": "87294EAD33F56BDECAD44C6948C56172"
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+      "legacy_metadata_key": "5D50486FB50BFDB53915B1015B0E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0A66A59EE62D1442C70E7E9676B8D8C9",
+      "derived_salt_first_section_third_de": "E317E30AF73D52B0E833D15CFE561BC7",
+      "section_salt": "A39AE8B9D272CE5D7E9FB60A0C1803F7"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E48746838921711792B8C909",
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-      "extended_signed_section_aes_key": "12C1E7D82B947FCB1E2DD30FB82C30A2"
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+      "extended_signed_section_aes_key": "6B3E058DC32C8AFFA9F8214779B04667",
+      "extended_unsigned_metadata_key_hmac_key": "F558D873A9701781B953EEFB328B57DC7B510A0D2ED9252DC6A673394D5CDDEB",
+      "extended_unsigned_section_aes_key": "C8E375693A8FC5CE076CC1E51A264B40",
+      "extended_unsigned_section_mic_hmac_key": "2F04F553A7EF1D4BADF2CBBABBEDB83AC1593D87584BB4ED7B2F146A08E8713D",
+      "key_seed": "1F37925B5025C0220853D9C17145D6F8D406A8DE2BD27FEC6920DB10D5D7EBBC",
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+      "legacy_metadata_key_hmac_key": "2A4AC86B78EC6123D9BE2F9BC7D843A78CB7A63750B8B92C67BCBDE551287AD2"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A39E",
-      "expanded_salt": "9D03F86B125C3A9EB1B724706DC0CCBB"
+      "adv_salt": "BDA0",
+      "expanded_salt": "433DF935D4E46AD0628238C7FE9D837E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "106970214F4B75038D50FE48F46D",
-      "expanded_key": "EE9E8FC71E6F9B1501EE8B0F657CC551"
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-      "derived_salt_first_section_no_de": "0B2FDB8CA462C8B3F9DAA14FBC541B7A",
-      "derived_salt_first_section_first_de": "62ECD598433CEAEFEC9FCB027D710615",
-      "derived_salt_first_section_third_de": "8D9A3FF926A0D5918CABC122294B65B3"
+      "expanded_key": "4E891528D8E9EFB732122B9AC15495A8",
+      "legacy_metadata_key": "A3B65111C6B10971C0ECF9902F0E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C26102EACC50AF901A39DF7C3F006B8B",
+      "derived_salt_first_section_third_de": "0FCF6958CAB9D169890CA1CE8A83C188",
+      "section_salt": "0FD76789B9BD8EA08B5B5BAEF17DDBD1"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B51D2449AB235007B7E9BB6A9DBA08FE0ACA64BCDF6B20891C950604CC797BD6CBD5D657AF10DD324CAFC4B66FDA6BFDEEC18E97EC335651D5B1118B6F45BBEA",
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-      "legacy_metadata_iv": "6DD8B4B92BE9A238DDF96475",
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-      "extended_signed_section_aes_key": "F17D3802727B2939B4B214A34F1BC5EC"
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+      "extended_signed_section_aes_key": "FA511A6AEC4D5CD5334E744FDC85A8FC",
+      "extended_unsigned_metadata_key_hmac_key": "9CA05A8B7CDB3F496BAF06D0147F4E6503EB2A2827264C9DDCF95F8643D5DDD1",
+      "extended_unsigned_section_aes_key": "91EE72F90CEE34571EB44FD976ECE089",
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+      "key_seed": "973726E97B6F4EF6F2397500184739525753BABB332DE86046FC92759172F801",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F203",
-      "expanded_salt": "03B0CB2172EA6887D1BEA2BDBA74065D"
+      "adv_salt": "ADC0",
+      "expanded_salt": "756D5F3588C6138FAE07EB3740FA6634"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "12DBA8E9BFCE9B888D2AE2C69F16",
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-    },
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-      "derived_salt_first_section_no_de": "91BC2FB7916993192D584E40C0BF42F3",
-      "derived_salt_first_section_first_de": "EA94D62030329F8EF8E37363AEAF2462",
-      "derived_salt_first_section_third_de": "DA9DF81E0A0210C434E30C30ED3AF334"
+      "expanded_key": "C523B9E2DEF6F8BD359EFFFCFF027546",
+      "legacy_metadata_key": "5637BF5B082BCDEE4D2B74B55D5B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A66A2CC3EBFC64ED10F8A9C68AEFB153",
+      "derived_salt_first_section_third_de": "A2E9C30A77F7C074E89F7FFAA151596D",
+      "section_salt": "BA86E55AF09DE4104D97631650828123"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BB307EEEB1AF8AFF14ACD9EF",
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-      "extended_unsigned_metadata_key_hmac_key": "4ECC3B78307E589DDFCEF24CD0A5D0FA427F5BA8F1DEE418E145F4785E06B094",
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-      "extended_signed_section_aes_key": "11D48EDED9375182631344806B23B931"
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+      "extended_signed_section_aes_key": "9BEAE518F7778C123F61A04CF8D4AA07",
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+      "extended_unsigned_section_aes_key": "4E1E7F2B1B69D55DD0D84B5839A1D837",
+      "extended_unsigned_section_mic_hmac_key": "454761E45DDC6A181D076B5CED76166E7FF6BAD4715FBF8A372478AFD9BEB227",
+      "key_seed": "706648D46157AA6601130D306464D3DA213B3888B8F0412C7FCC15543AFDF480",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F0C9",
-      "expanded_salt": "6F9D8256D78644BB61336C5776D1C53A"
+      "adv_salt": "78E8",
+      "expanded_salt": "82D72F447FB39727C43B11121DDA2DB5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "F83050CA2ACDAA2ADA5E6EEE53650D3B",
-      "derived_salt_first_section_first_de": "D785782AE6D9CB926C9FD5607DA151AD",
-      "derived_salt_first_section_third_de": "DE5288566FCA511D964CD476E4AFC99B"
+      "expanded_key": "80E98519C126ED7FC50C204943A94B9C",
+      "legacy_metadata_key": "E3EC5F74D8B12731DBD6A5CFEA44"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "62DFA9CEBB7C0E75AFFF6C18F22E48A0",
+      "derived_salt_first_section_third_de": "E969C74BE4ED6C929E493144E6E8EBC3",
+      "section_salt": "797A87CFE78C059FF0B1F727834890B1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5CDD08CEF78D43F5BA832BA56D8A3095"
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+      "extended_signed_metadata_key_hmac_key": "011D11D557C4300462A2C27782B6CA4BD55A7F1972984213BE4711B8724DA072",
+      "extended_signed_section_aes_key": "BEEB81E375A9B4B245C4D8CED444F82F",
+      "extended_unsigned_metadata_key_hmac_key": "6F60A44B952B83F9F05790FB2D7E1E5A1BDA331416AA0B79D414B0D77F291597",
+      "extended_unsigned_section_aes_key": "DF92BFA4B4D1BFC67FE81744A7364C7C",
+      "extended_unsigned_section_mic_hmac_key": "F44AC68441680A95B0BF4B1CBC0BED4E2D187336FA53A17941239AFB71D4F1EF",
+      "key_seed": "FF32A1448B1D526628F2CC9033E2FE93573F3307B0AFB328FBAB03FAB6E851BD",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EA8E",
-      "expanded_salt": "60BBE8B14C48E2632870A8AF621381BF"
+      "adv_salt": "B4F3",
+      "expanded_salt": "B6A24E492A22D3BAF71F3623725A54EC"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3CE1284358105A7F28A72C718D6C",
-      "expanded_key": "83BC022DD53C8558F2CFA0826B1CE281"
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-      "derived_salt_first_section_no_de": "73721235603E055A066E1DB1CD84F312",
-      "derived_salt_first_section_first_de": "8D5DA370FCC625D84FDA589A68AC7B24",
-      "derived_salt_first_section_third_de": "157E5873459038228CCD2BAC8C74C466"
+      "expanded_key": "B028D465145173B0C236CC665728B3F6",
+      "legacy_metadata_key": "06BA7A581C985279569FB11D68E6"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "4D79A11FD6CE146CC758C9C44A3F4158",
+      "derived_salt_first_section_no_de": "F5106967505828503CD7A386030902A1",
+      "derived_salt_first_section_third_de": "58CA21D83719CEF7216CF93C898DEE3E",
+      "section_salt": "5907DEC154021EEE8AC2903D472D4718"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4710C4E3E6C7C83E2176794F",
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-      "extended_unsigned_metadata_key_hmac_key": "E214DC62695E9301E7479E7D563C3B7F2B6363B40905B2BAA31A50BF2FD3F49A",
-      "extended_unsigned_section_aes_key": "FF561227D1FE4F1165E224F66B6FF4E0",
-      "extended_unsigned_section_mic_hmac_key": "F280444C803BFC75F6F5B2E2C2F9B337536ADDF46EDB7194707646C7E26EF696",
-      "extended_signed_metadata_key_hmac_key": "D95F9DD89FBA8E785FCA89984FCB9AA297204F1979DEA1C4483BD65DB309F4C3",
-      "extended_signed_section_aes_key": "7AFF9D47BC2CCFCB38DDF92EE74EF825"
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+      "extended_signed_metadata_key_hmac_key": "0BC294241E485646824F46B63C73B35B253EBCCC9E02D399AB3D4952D851AE53",
+      "extended_signed_section_aes_key": "09657E4BE4AC62B36D46391E859A5AF6",
+      "extended_unsigned_metadata_key_hmac_key": "3D29660A9D9A5D2BF0B855DA33CF615721607CA31F5B1607F1731EA96E83D2F2",
+      "extended_unsigned_section_aes_key": "4E73FE36C45CF21C6FEB1666FDC28C6E",
+      "extended_unsigned_section_mic_hmac_key": "54209429DE258F9E994D03C7187D9762AF74979CC46DE103072E82FA9B3B332C",
+      "key_seed": "41C78DA0D8AAE1679034B4944C298ADC6325B7C5BC1A9AF773DF7E7C4C3CFCA2",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DCC9",
-      "expanded_salt": "A99136A1EBD06221B37B19415FF0E4E4"
+      "adv_salt": "1110",
+      "expanded_salt": "AF6DA3BA47CD2E5223391E1633B89B36"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B65E961F2701A6BB7D0789C39634",
-      "expanded_key": "4911334C1E9600C80A5E88D46AB1CEFD"
-    },
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-      "derived_salt_no_section_no_de": "627C2DA59546CB0F594BA3CC455EEB35",
-      "derived_salt_first_section_no_de": "69B4116B2A04EC2B45A02F3389C91A6E",
-      "derived_salt_first_section_first_de": "55661DBFE894C3A851715516010C2D2F",
-      "derived_salt_first_section_third_de": "13C05984C5FABE19AF5380C30A8F9F6A"
+      "expanded_key": "737E561EF9FD566B5A0749682B8BC399",
+      "legacy_metadata_key": "AFC14A117DC7AE5CC9B2488CFA79"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1E3E375C3EBEBB136F42022A8AD71794",
+      "derived_salt_first_section_no_de": "8E63AE63CCC875001C2CE312232BF45E",
+      "derived_salt_first_section_third_de": "6EA660BEC9B9C6174884AD31D43B63CD",
+      "section_salt": "59331587281D320892527B581FA2A265"
+    },
     "key_seed_hkdf": {
-      "key_seed": "12A9AAF7E5A82C65462B55BDB07B503A986E5B2B28BFAEFCCA9C03637DE2D31F",
-      "legacy_ldt_key": "A0E08F236B3E76E99FC51D905587B9DE0CA2207CFCD51268BE5F06CD97D291F1EA69B6EC5906807640024E23E6CDEAF6CF2A8626AAD865FE6D51F30F71DDBB7E",
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-      "legacy_metadata_iv": "C8A6E46B0C36D2D4C64E86A0",
-      "extended_metadata_iv": "9BB4458E16DF9EAC0C9052DF",
-      "extended_unsigned_metadata_key_hmac_key": "0C48FEA90D23D8E9AA8EA76B534F942302E8A2F61FCAB864A9DA6B80974811AB",
-      "extended_unsigned_section_aes_key": "1E4941CA300EE053AD9E8F1C12A878F6",
-      "extended_unsigned_section_mic_hmac_key": "A2FA3F68CFB185E07676E7A9BBB0C756D791A86600F7CEB93C110AE903D76562",
-      "extended_signed_metadata_key_hmac_key": "7D1CCE27F8D031D7FC763474B73C9DBE45B173E55C7E06A426622043A08C7E89",
-      "extended_signed_section_aes_key": "72DB29AD3EFEA8FA50A1C97DC316C933"
+      "extended_metadata_iv": "0D612B77A6F36782108F8A04",
+      "extended_signed_metadata_key_hmac_key": "0B43529F258F7AA91EF5BC89012A05D063E94FE3287B73D377B2359EA68B2EE8",
+      "extended_signed_section_aes_key": "6CA5F32CBE542C14C788540592C68557",
+      "extended_unsigned_metadata_key_hmac_key": "0700E65676BD22A869BF6116BD4501FD4F57A0A537D5EB37D98547E94A619870",
+      "extended_unsigned_section_aes_key": "3E01FABF21D73CC48998B795523871FA",
+      "extended_unsigned_section_mic_hmac_key": "F88E4502DEC3878ECDCB6D86891B18D15152A497F240AD1BD0E73450FB9BACB6",
+      "key_seed": "22EE3AF332DC6E212DE18FEF7F8C955229639DD64B7698C25E5E079D0ED56286",
+      "legacy_ldt_key": "2979746D0EEAB56F2BEEB42C1092B3F971A7F4FADF5067A0DAB0EB0D023D4B890A94AD24BECDCE54487A1B64E60EEFA516452627D1A909796E22358F2F96F3AD",
+      "legacy_metadata_iv": "82F2D3A2B3D8EF7B7299CF91",
+      "legacy_metadata_key_hmac_key": "F6C3B9193E338A3ABAD4FCCA42D9BEFB64170C96F35F906436DCC9C790ECE771"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E621",
-      "expanded_salt": "9D3DCCDCAF00DC7724E519F2345F7E77"
+      "adv_salt": "0134",
+      "expanded_salt": "1E6B40B8202BE5BAB4D296FDFD6FEED0"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CBE733B979C09CCFC1E1F88FDDEB",
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-      "derived_salt_first_section_third_de": "BFFFB5E3814513977368C402D9B5190B"
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+      "legacy_metadata_key": "486ECC6B6BFCF592E8B73BC48E46"
     }
   },
   {
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-      "extended_signed_section_aes_key": "4B59B2CB00F1EBD29EEA7370DAD0FF12"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "DB71E020177F353CE79B1B33486D50C5"
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   {
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-      "extended_signed_section_aes_key": "65E993EB9DD368B19D4CF5F8C8A0B050"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D59D7E524861B596741269B34969E75E"
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-      "derived_salt_first_section_third_de": "5EB290A4FDF5611DDC4F5CCE3A6F5322"
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+      "legacy_metadata_key": "2B387D9C60A64765F271EFA98CE3"
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   {
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+      "derived_salt_first_section_no_de": "2BE4FAD9AA07641CED34D760C0DBCBDC",
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-      "extended_signed_section_aes_key": "BD1AD97886745F348089A99CD2BECDC2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "75BED6067B1C6FA18AE3085D06F4F46F"
+      "adv_salt": "C591",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "F5BE08193748914B221C5B45D7163176",
-      "derived_salt_first_section_third_de": "B6E5DE7A81016B4F3CD39CC6C6C1CDFE"
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+      "legacy_metadata_key": "7C916871AEDD1CC9FF0CA73AF7C5"
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   },
   {
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+      "derived_salt_first_section_no_de": "1C4C4281963FE3AD76A05C7A4DA525A9",
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+      "section_salt": "3EFA4092E2D132F0D38EB72031E7C818"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F797AC4BBF9958CB1BF0ED73",
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-      "extended_signed_section_aes_key": "1A2B13DF047FA88D366578C5B2255E7F"
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+      "extended_unsigned_section_mic_hmac_key": "4F48053BC7EED0673FE595BE489DE0E4D9717EF2504358519DEF541039BCB36C",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7C69",
-      "expanded_salt": "4619866C4CC7D8930D535D8C5756CDFE"
+      "adv_salt": "15EC",
+      "expanded_salt": "8475CF1FAB7A36235990E496FFE413FC"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6F0299EE370E85046D5322989AB850F3",
-      "derived_salt_first_section_first_de": "376FF9DC97470CE65AEAEAB275EF2536",
-      "derived_salt_first_section_third_de": "91F888B457EFACC27D7E1CAED33C5010"
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+      "legacy_metadata_key": "4065130240838BE22278F9FE6296"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1CB11281ED9FAF8C36145F0526B98908",
+      "derived_salt_first_section_third_de": "FE6CF2C38E12F6D274214CD6DD7071BC",
+      "section_salt": "6B2D14DB3A317C202FC7848D14FB17E7"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "842C1DB33C5B968846B6FA2D",
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-      "extended_unsigned_metadata_key_hmac_key": "0F89917291990E66DB283E8170D601DF2B44F23CD00D401BF519C385192B333A",
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-      "extended_unsigned_section_mic_hmac_key": "67A36EEBF3F94463CEC0761F630B22A5CCFDF3BFBCCAF04002A58C143F5512F5",
-      "extended_signed_metadata_key_hmac_key": "A6B4B14FF0A95362244CDAFD469E640464EC4669DD7E2AA16EC3796779ACDC6C",
-      "extended_signed_section_aes_key": "17E747F516C5B18C9B6DF1EF693C8765"
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+      "extended_signed_metadata_key_hmac_key": "157B1CF1B57A877BDAC579CD302F0D378CFC161FB3CB7E1FCF22902F556A47CC",
+      "extended_signed_section_aes_key": "E043EE4427EAD8500BB1FC09616BC664",
+      "extended_unsigned_metadata_key_hmac_key": "FAD1D2DA4D51D58067612CF5374BE9CCC249336B8C40AB80E39A61CFCE6AC489",
+      "extended_unsigned_section_aes_key": "8B99519AAABB97A6445587107635F80E",
+      "extended_unsigned_section_mic_hmac_key": "4DB71D2A54B9FCC8F3E303535E2929D60BDA169799248D027F9F19869BFCEA17",
+      "key_seed": "2477D301651241718261B702F3D8DF4A0EEAB12961D42EDBB3463012EB139C7D",
+      "legacy_ldt_key": "5625B346561AF81D7267434B72BC07929EF43C035772A5F8CAE8AF948DEDE8FA2FD0F25644F33922FBBBCD3838B31C86E7595A35DA3DE9C25B68A2EB503BC50D",
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     },
     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "013BD04E240FD610F1676ED802C0CACD"
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-      "derived_salt_first_section_third_de": "D8A608F1061933FDEA71E62101ACBCB6"
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     }
   },
   {
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+      "derived_salt_first_section_no_de": "100517FC6AF49B282BACB27D69C2344C",
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-      "extended_signed_section_aes_key": "3FECC9EEF331956EE8B279C3F885E753"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "389E80D08461E2575B67F2FDB7731547"
+      "adv_salt": "9B4C",
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-      "derived_salt_first_section_third_de": "F1DD9E872C267E12864C17E5CA023698"
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+      "legacy_metadata_key": "E984B5D89BF21BA21EE26D4EF161"
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   },
   {
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+      "derived_salt_first_section_no_de": "1848ABE388B39C0EB4EE92BE409C78BE",
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-      "extended_signed_section_aes_key": "22F7BCAA7BA3106C1D59D102A6DE6A23"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "573AED6D86CFDB114836C40859FBF6B3"
+      "adv_salt": "2B70",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C8321D9BBBFC44A4F9C7E300A1FCA037"
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+      "legacy_metadata_key": "750547D95E10955EA924486960D9"
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   {
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+      "derived_salt_first_section_no_de": "0151E7C80631EF227637C6B7395930E1",
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-      "extended_signed_section_aes_key": "923CF03F1B03B300DDFDF5FB6EAEE341"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9956",
-      "expanded_salt": "A69051E34820CAF4A5BEEF79A4483159"
+      "adv_salt": "935E",
+      "expanded_salt": "ABC054BE97F960C12F88FBDBDCF75EE5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1485D986198010818EC5A6730B6C2117",
-      "derived_salt_first_section_first_de": "5561FE974F7A0AA5DA2B24C04245D994",
-      "derived_salt_first_section_third_de": "5AA5982EFDF01FC515E927BDCDF14968"
+      "expanded_key": "01D31FEFD4B405CB290F192FAFC5C63D",
+      "legacy_metadata_key": "63E67ECF4DC302454B41F487DFDA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "39D22FB6A1597FAD019CEF3BBF7A4AB4",
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+      "section_salt": "8A607EBBF1A16C970643FE7E6B13B22F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B7AA56EBE6B92102142706C78233940E"
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+      "key_seed": "532E2E6B9E4B4D2D24C8A3EE65CE92AD31D0CDA6850F896724FD8E52868C5805",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "26BE",
-      "expanded_salt": "483756BCBFADB165A8D21E5F5D6E4D78"
+      "adv_salt": "EF20",
+      "expanded_salt": "37F328443D2E4C39119F5319CC9BEB59"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "027EDA2AF10ACF94A9C398143D26",
-      "expanded_key": "E7F3A4ED6F176CE40387ECA3C4ADA664"
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-      "derived_salt_first_section_no_de": "2FA9CB7F9D29D79DAE5D3073D33DA41A",
-      "derived_salt_first_section_first_de": "DA00A490AE5C24790F30DF3BBC09A079",
-      "derived_salt_first_section_third_de": "34FE37B88A3F8B87E9AC36D3965D69F2"
+      "expanded_key": "78D79968D2A420BE77604B819646933F",
+      "legacy_metadata_key": "574565CBE6B325B4F0CDD428A002"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "AEC915B87C6C2FC94D11E1F16C6E8154",
+      "derived_salt_first_section_third_de": "DC445E87A81BBF657D4E3EC1AF794A0A",
+      "section_salt": "3ABC2D36540EDA6ABF0D3EE180B483F7"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "7E16831DCD6B84E356C37FCFA5E8F52F51B63A3825DB2B9CA3FBECDC17ECD92EA385A2465B8DF3DC80DA30EC5AE728416E233C0F01007C72BC82AB3E75440656",
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-      "legacy_metadata_iv": "F7C03711461961D59191DF79",
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-      "extended_unsigned_section_aes_key": "3DED7E9AA6810D7BD8A87890790D3680",
-      "extended_unsigned_section_mic_hmac_key": "4F6CACC6C20BC4FA8E6671A082B0987DFF4988C202719619940EC977E39A928E",
-      "extended_signed_metadata_key_hmac_key": "4F178EAFFC2D6A6ACF67FDC49D2122C9F37113ADACC2268C9AB3AA4517C377B2",
-      "extended_signed_section_aes_key": "422DB0D9233BD36333D64B6F381AF59D"
+      "extended_metadata_iv": "061B3778667D792E39E215A9",
+      "extended_signed_metadata_key_hmac_key": "A54A745566C0D1265BEFA0203B187B0B3C5777B309D368D9CE7E2C6FA709E156",
+      "extended_signed_section_aes_key": "098FDE5BC0600DCA8B3B6CF79393A9EA",
+      "extended_unsigned_metadata_key_hmac_key": "1C90476DCF315A6217D24D93F58F1DD952E8293DA4E3DA7591C53CE66A8DC707",
+      "extended_unsigned_section_aes_key": "4C07BA57C819CE3EBE628970AD543AA2",
+      "extended_unsigned_section_mic_hmac_key": "0225C4CA7160B23382E45AC3114E2585E681EB2EA6E86BBAE15A3580A2EB76BC",
+      "key_seed": "CB669F31B633AE46E02C897A52E671CF1CC96C88AAC0960244DEC461180B5EFC",
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-      "derived_salt_first_section_third_de": "8C8C4848B679A72FEAEE77457E3E67C3"
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+      "derived_salt_first_section_no_de": "B7376C898AE51BDA67CCB73CC7111639",
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-      "derived_salt_first_section_third_de": "5A1935D09714CD376E9FA1F9E1AE25AB"
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-      "derived_salt_first_section_third_de": "21A13E6B071A7016B48E47CAE49242CC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0BBF2710FE4183DEC3634C1BA67DEAC0"
+      "adv_salt": "0B35",
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-      "derived_salt_first_section_third_de": "FF7EA1BB8AF69DD9EBB1DF5D5808FC44"
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+      "legacy_metadata_key": "7A0CF61C9B43390991D43E1A6592"
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   },
   {
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+      "derived_salt_first_section_no_de": "9A7DD9DB35F82C001E86F9A9FB52C482",
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+      "section_salt": "ECB5CAC455931A1C46B44961DC28E86B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E6F4",
-      "expanded_salt": "E5A40CE53D3E1A99895B20C948DEB140"
+      "adv_salt": "07F2",
+      "expanded_salt": "15D8619A3F631DD470FD83379CF0ABD5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AE65C5DCBA2F98B8F6CB8377D490C7ED",
-      "derived_salt_first_section_first_de": "EB000A0D943DC7C0410668E2F74993D1",
-      "derived_salt_first_section_third_de": "7604C16248C561866E2F60DFC29CC44A"
+      "expanded_key": "528D14806E4488A92EFE520CF5942DFC",
+      "legacy_metadata_key": "CBA081EDE374017ACD5461AC17EE"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "2833D1B0E9C7C1249AE5FDDD1CBC5CCD",
+      "derived_salt_first_section_third_de": "6FA7F66F08727706B1930182119AC4B7",
+      "section_salt": "765371FED6347544430F81E0DD978AC9"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BD3D2B2376E012A21370A7A0",
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-      "extended_signed_section_aes_key": "846B750A886DC64A581CB3E7ABC29B41"
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+      "extended_unsigned_section_mic_hmac_key": "FA075B03EEBCD0BCB8268D135E9F827A7370209ADFD4121535CF468BDAF4BD0C",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "41BA0AB7FBF538D762A4047DB919C8A0"
+      "adv_salt": "866B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "71F7E683F13C71BB86124E772C866CEF"
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+      "legacy_metadata_key": "6CF6CA537DE7973AB96C7F453526"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A059981A9BFF58728FB1122A2AECD79D",
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-      "extended_signed_section_aes_key": "5702F06DFA10F126CB028FA0F5A6C483"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A436B82678475E68BB3BAB572B43A237"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C8E177E5DAE65C001ED5464777F419FC"
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+      "legacy_metadata_key": "82808459524204B3E8256DF80AF0"
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   },
   {
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+      "derived_salt_first_section_no_de": "0ADCFD5486FFA720CDDAF0659205D42F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FD49",
-      "expanded_salt": "A1CBC619DC71DC394E15E79C3A5442A0"
+      "adv_salt": "6876",
+      "expanded_salt": "068D6E894FC81374795202223E07A352"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "00101B8150EE31166F2CDA096046DCD5",
-      "derived_salt_first_section_third_de": "716877C1B1B9B8F9EA89C714CEAD9E73"
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+      "legacy_metadata_key": "7ED788E5E8308626A9FBD3348E95"
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   },
   {
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+      "derived_salt_first_section_no_de": "A0CB4DD1CC2208981B91BA645CC766FD",
+      "derived_salt_first_section_third_de": "CB3BE17A9D987793766157543315AFA7",
+      "section_salt": "DDD18F96BE304921E056E2D89E038286"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E1BEF72B329A7F3B02C2479A2E781E29"
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+      "extended_unsigned_section_mic_hmac_key": "8C03E77A4B204CE575238BD192BA13983D685A7F1469A6065AC8579F96184554",
+      "key_seed": "C6F30BE03B33EC1E887458C5880BF76EDD8CFE03BB5F7B76BECED96937AE6D5E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "89AF",
-      "expanded_salt": "2C071099F3C3E212996F4BB5C7BB33D0"
+      "adv_salt": "7D42",
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "06922DBBC4B23E2F936462AA8BCD2242"
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-      "derived_salt_first_section_no_de": "1F78B3F366F637AF8DBECD0002D27D8D",
-      "derived_salt_first_section_first_de": "6FAEE48ED072EADFAA0ECF719A9E3FE5",
-      "derived_salt_first_section_third_de": "963B9B6FAACD8730DFAA5D23FAEF4A79"
+      "expanded_key": "849EFB59EB5D50303C9B510CDF813020",
+      "legacy_metadata_key": "6AF883C60BE218FF2AB9EA856D03"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E7C57D2BF152CE2B0629BCE43CA6BD47",
+      "derived_salt_first_section_third_de": "753B8BC6F5FCC196862FC095A4343F5E",
+      "section_salt": "878E1D03CABBD3F5C2BAB79481E84B2D"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C24F2C3D6E4282BD89C729CC",
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-      "extended_unsigned_section_mic_hmac_key": "591E4C035C5D1E9F8F37133EFBA40218B1B9DAD0EA908DD7B789E8E81B2397B9",
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-      "extended_signed_section_aes_key": "EFCE31086206C6B7C674E18158EC087C"
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+      "extended_signed_section_aes_key": "BFDDEC3238E7596DF260A60FF139A563",
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+      "extended_unsigned_section_aes_key": "6C62E4AFDF213AA1ADDF6F8E3CB72768",
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+      "key_seed": "7D12FD9140D1D3FC036B392EA4D72BF220E84C46ABD940C2B151821BFAA9B596",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BF22",
-      "expanded_salt": "D1DC3212B990629AB70C4F34026521B1"
+      "adv_salt": "160F",
+      "expanded_salt": "285D26DD57A478A9CDEFDDEC7C74C938"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6E31076C866E7B79B60C6F548AA3",
-      "expanded_key": "4E9A9ECB0E42EF6434B1CED6C0B74A7C"
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-      "derived_salt_no_section_no_de": "4B8A42C6AF952F917C10E94C9C4B849E",
-      "derived_salt_first_section_no_de": "54B75CE39C8DBBF1CC780EEA943B302A",
-      "derived_salt_first_section_first_de": "63C59B490BF60DB5E6CC0C8D5520809F",
-      "derived_salt_first_section_third_de": "956E70E3A200F34554DD99B86FE942A7"
+      "expanded_key": "BEF7FF899EBDD25D6255C33BC5E41036",
+      "legacy_metadata_key": "C3D63E528E7D5C6B57040B05F77E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "FD6479B06B806A6C58FD8FDCC4C0CD9B",
+      "derived_salt_first_section_no_de": "C6377F4E654A02623ECEB83C0ECC01F7",
+      "derived_salt_first_section_third_de": "1C2323EB37858D722F600D4C4B192DAE",
+      "section_salt": "4C9DB8236D7445F6D86777E8CFF77641"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "6BE238751844603FF0A232EB",
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-      "extended_unsigned_metadata_key_hmac_key": "2C36E587739B6C701E55499D8F56FA42E4C8D935767342895EF0B77F9557F46D",
-      "extended_unsigned_section_aes_key": "FFB339FB803F8FB88D4648C25266D17C",
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-      "extended_signed_section_aes_key": "E75BEEDBF17A3860E0848E1612BE9D4F"
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     "legacy_adv_salt_hkdf": {
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+      "adv_salt": "FE40",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "6D57A726F5FD7C37FA489FC0ADD4F393",
-      "derived_salt_first_section_third_de": "94DF5576ECF607FD57292798DE62E52E"
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+      "legacy_metadata_key": "82734B22BF21F39E92446020BE51"
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   },
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-      "extended_signed_section_aes_key": "54D1E6BC391C241815220C29BF6CAED5"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7659ED9E88395A91B3DDB33973DD242B"
+      "adv_salt": "EA2B",
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-      "derived_salt_first_section_first_de": "81C17B787D1610E9DA2CBC3F078AE74A",
-      "derived_salt_first_section_third_de": "FFE4046CDB31A04E1C0D28E02BDDEAD1"
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   {
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-      "extended_signed_section_aes_key": "A86463A4539954D1EA020668577C4E27"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "345A73500D20D79BBB514158A41A3F3B"
+      "adv_salt": "D88F",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "D3CC31183F684A5A54729B88B6D757B9"
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+      "legacy_metadata_key": "97828A835E2C7D0EC2E6D48C38B0"
     }
   },
   {
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+      "section_salt": "CE330DE846253B7E53BF23B162A1C1E8"
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     "key_seed_hkdf": {
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+      "key_seed": "405415C141B868E51C66CB09A0F4B1020207A588B95D29E483FE9D53B97C2974",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "098CA284189876BA1810D6024C3D4481"
+      "adv_salt": "48AF",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "63B5FBB869E909EEB388832C047E66AD",
-      "derived_salt_first_section_first_de": "F212FCE8395A903AAF1BA7FF2E1C24F0",
-      "derived_salt_first_section_third_de": "D079491DC064D019CEB477F49C0C5BD9"
+      "expanded_key": "0A14AE936BC91F353C4DA11264F84739",
+      "legacy_metadata_key": "25BB9CF650690681DD2E3DDDEAAD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D8E32DDBDDD2CDFFB602354CB43E82C0",
+      "derived_salt_first_section_third_de": "DDF260DA984A50E4BD0DEC95B426911A",
+      "section_salt": "D9DE4B98C186A6CFABEDD7F5A26E2FD1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A7E03D9FECF6FD661B5C2F9375C106C4"
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+      "extended_unsigned_section_aes_key": "CBF9A999652BBBE17E048DDD7BA4E38A",
+      "extended_unsigned_section_mic_hmac_key": "E69BF93537D3EBAC20229F5AF8A6BEF74172A139E826DFB812F419BFCABA3E8B",
+      "key_seed": "DE2BBE7C1992B841307CF175421B3A5B8FEC3D5164F63A90C7F754E9BDA1202B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B3B0",
-      "expanded_salt": "3C2935D8082FF03E48DC44BCFD455117"
+      "adv_salt": "09E9",
+      "expanded_salt": "87A9677DBEFD81E7AF5061BAF91A335E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5B94A090DA20123E05A44029CF67",
-      "expanded_key": "1D544E83247F718874E0528D75162EB4"
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-      "derived_salt_no_section_no_de": "5CA5BF9960A583E81B61C99F1A7670C6",
-      "derived_salt_first_section_no_de": "F021BC62ED422662D45EF350EF1B283A",
-      "derived_salt_first_section_first_de": "04F38D78732CABEA70C1717722F3D151",
-      "derived_salt_first_section_third_de": "FB57506F35C8FC1FD1E21F905D296095"
+      "expanded_key": "7649644FAE22E0A4ECC008326F6DE66F",
+      "legacy_metadata_key": "794DED4B536B80411795C4140ADA"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "DF401A106844F6DB1AE194256C50A101",
+      "derived_salt_first_section_no_de": "EF62854E639C92877B5B36D30831BCBA",
+      "derived_salt_first_section_third_de": "0C91F59C035B1C0FD9E3DD1BEA67A032",
+      "section_salt": "42E064180B28DC63DECA8234C20BC567"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "F1A20BC31D91CB228867C6FE41A71409483E26EB58642F39E7B247E3983B84766707391F3CCC11757ECA46C6C5200F23267E77BDDC7ABF638445F18FFB6D685C",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "1C4BC301440EBE3E0886CDD485674524"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "56438C131F9D0572B54D19351108E88B"
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-      "derived_salt_first_section_third_de": "1BF00EA66A50E0D46AB5BC02B010AABD"
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   {
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "04F68E8EB5969660FEAA01E19BCB2206"
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   {
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+      "derived_salt_first_section_no_de": "D580A85646B2B04B6E820C702CBE1C75",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "8ABF1741C1EDE51CFBDEACB400121497"
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+      "key_seed": "FCCE70EA8CE6CBEC288A0E6E2A87CFC38BC23310107E2DE90ECB2228682D1E56",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0003",
-      "expanded_salt": "BD0F1330798839A1B8A2E26A9E3B9E69"
+      "adv_salt": "AB40",
+      "expanded_salt": "B626F510B64ED11EC412DBD7518BD570"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D99BE2412623AEDEC43E122F8439B71D",
-      "derived_salt_first_section_first_de": "C1466EC058845A00194CA99D857D23F9",
-      "derived_salt_first_section_third_de": "7A078B57255A0F9628FAAF2F8FC143BC"
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+      "legacy_metadata_key": "6DEECB9B9E15D8BD1FEF05802E2F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F068CFBEB232A1519ADC7743E050E012",
+      "derived_salt_first_section_third_de": "314AD340BD13C59DFA983C41A0D14682",
+      "section_salt": "0BFFCF7405889C9CF0DBCA291C09FB72"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5912BCB24FAB57B2BC2A27E6EE1D4DF1"
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+      "extended_unsigned_metadata_key_hmac_key": "A23CDFA13FD82E0220280DC4D6BE4B42893AE01BBE4CF642992393694B8427CD",
+      "extended_unsigned_section_aes_key": "ADDA6AE974452F0A5CD4CA2D922CA126",
+      "extended_unsigned_section_mic_hmac_key": "70A8E09D220081411DFCFE32854F58D1F4B947AD55901E5655644104CB806E9A",
+      "key_seed": "EF9566E58D49AD900F2D1A4DB94B97E319BE199B0E25274208246D0D5781095A",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2579",
-      "expanded_salt": "B1A6137F18D661C8BAAFAE644A3DE685"
+      "adv_salt": "7C64",
+      "expanded_salt": "EF003ABC1D94C04B21815C01B28B5912"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1442EDDB21F46C48B09D39493934",
-      "expanded_key": "C05E4CA1DEE555AEE785D47EA7B60645"
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-      "derived_salt_no_section_no_de": "47AA1420CEDF7AA9E62FF02E640074F8",
-      "derived_salt_first_section_no_de": "411A90313546A0317C5FDD9B53B25957",
-      "derived_salt_first_section_first_de": "6DF4130E7833794599AF6F90682585B0",
-      "derived_salt_first_section_third_de": "46263AB77DC1EC9A329ACCE8153FEC27"
+      "expanded_key": "74882893DC0CC9ECE5D7D34814A6BCD4",
+      "legacy_metadata_key": "85E611B31685CBD30534F7CAD65A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "27B9A042B0B3C17DC470C01A44526984",
+      "derived_salt_first_section_no_de": "D3116A339F35B6F6294C2F60ACAE497F",
+      "derived_salt_first_section_third_de": "F8FCB97CE9885730E02FFD0656DD564F",
+      "section_salt": "02172E2BCDC7E67360F9F01E60CA0AC4"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B78DA76D6C11DD2A3BA7CD34CADA5547"
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-      "derived_salt_first_section_third_de": "3C88A02BB461860EEF5269F0A60FC9BC"
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+      "legacy_metadata_key": "B3896ACB4168B9C9CC544A80E7AC"
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-      "expanded_salt": "5265D5105699FE953DAD33E5D2CF523C"
+      "adv_salt": "F284",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "178421AEB32D0994B7720D7B80BDED0F"
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+      "legacy_metadata_key": "B3B543901A2DC10A20F3766E3584"
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   {
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-      "extended_signed_section_aes_key": "CB68ADAA7EDB3D4F911E82ACDD7FCFF2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E573B18A820E1B2D59D4DCEC94E81713"
+      "adv_salt": "91A8",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "DD8032F96E2C64838873ACBC6F623935",
-      "derived_salt_first_section_third_de": "BA9CF049F007B93939A390D9C1535B3C"
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+      "legacy_metadata_key": "666156DBB4A799FD7A92B71FAA12"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BB93CD6A78A8B867E47115DB23072ED6",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "33F2539EBCDE9A02D19FF9BA05C29E8E"
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+      "extended_unsigned_section_mic_hmac_key": "3CFF59098FD095D011C3946AECA1FCA8E5979E92FCE34E9C1A024982470776D9",
+      "key_seed": "30B9B3605CD38CA2756C35BE6662DF7A23AC2D06C0056F85AE55E118EDCE5329",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "87C5",
-      "expanded_salt": "5AB85EE9FF7EC3DFD39CA6A0DB7E5EA1"
+      "adv_salt": "03D8",
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EA03F0870E8E3DF9BB523121AD4C",
-      "expanded_key": "9E0135DB00DC3D4637416651F475CDFC"
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-      "derived_salt_first_section_no_de": "F8597FC538B60741A13441DC37F110FB",
-      "derived_salt_first_section_first_de": "D817C5962E1732ABF294EAE126A03EBE",
-      "derived_salt_first_section_third_de": "16F92CF48E00F35059FE2929D5FA3E04"
+      "expanded_key": "117D28325FEEA09CDFD5EDB99C38771F",
+      "legacy_metadata_key": "E12CDE69C34FDEF3F24BD3E20EBA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9AF1AD4AFFB4B5A965CA4B269E7D52C5",
+      "derived_salt_first_section_third_de": "EAE7B750887F0C708989C22BBEFF7FBA",
+      "section_salt": "ACC5BCF09F90B15BF6ADEB77CC57A8CC"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "00EFCBBF21C848876CD16CAC",
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-      "extended_signed_metadata_key_hmac_key": "DDF33575C5E197E32AA423A1581A9529C6237989D313E3F8EC018B748C91756F",
-      "extended_signed_section_aes_key": "6386110BE19CBCBF88608D332EA8F536"
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+      "extended_signed_metadata_key_hmac_key": "3D31E7DCBB98A956035B5CCEC43ACEB168D9A361C6BF8A632999D6B011F20BD8",
+      "extended_signed_section_aes_key": "BC88F2C72A6C2E6ECD22245FE17206B6",
+      "extended_unsigned_metadata_key_hmac_key": "3848B397E52869EAAB148647E2DC520EFEB5F9C010CE7E10E2201310297C715D",
+      "extended_unsigned_section_aes_key": "83FFA9E0A6CD7A3F764E9472D1968FBE",
+      "extended_unsigned_section_mic_hmac_key": "8F7B8420F0B7023F559FBCEE7C963FA27BB4A24F06104098B64775F800A37E70",
+      "key_seed": "07118EB2042E484B470CE63D11CC39EDF47B45F29C4267005948A02263CEF162",
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+      "legacy_metadata_key_hmac_key": "CA32038A70D980608EDE8EE1CAA377CF23AF7B29C05311702EBB419D823D41DB"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "729D",
-      "expanded_salt": "790AF17DACF2F19A1E10A4C90EABC956"
+      "adv_salt": "8EB8",
+      "expanded_salt": "D0E14292633A25BFD5D7E10234878F20"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "19E365A7402C2C8AB65677B4814D",
-      "expanded_key": "04B065EB5CE2B7E909CC9D1C67364654"
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-      "derived_salt_no_section_no_de": "FB4E4072EA1E77FA3AF11742742E0E1A",
-      "derived_salt_first_section_no_de": "D73FF520B76DB321F6F665864F8D7669",
-      "derived_salt_first_section_first_de": "151305D6516E1538D584EE44D374716E",
-      "derived_salt_first_section_third_de": "5A81A826E11F4E6C501307738763BEA0"
+      "expanded_key": "321A6D8A50D10B9750EB69D22A0DFD96",
+      "legacy_metadata_key": "513346049FF9C6018FE38701AD33"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B19F3DAAC388C6D6940ADB9AFED43E50",
+      "derived_salt_first_section_third_de": "8C74753E7DF7349A70B4AEB3741A1333",
+      "section_salt": "09ADCE72E8B6F6FBE439F88D39451005"
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-      "extended_signed_section_aes_key": "C5D50FAB1DFF3FCEF24834E059D3F87C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CCBF74FE2150429DE0FDEE31A2DC7F0C"
+      "adv_salt": "0B63",
+      "expanded_salt": "17DA010299203BEAE68D39FE17C2B264"
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-      "derived_salt_first_section_first_de": "D11951A658B9BE844E02CD0F88A39174",
-      "derived_salt_first_section_third_de": "3D72CA5722FAB952A38FE716E86F16EE"
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+      "legacy_metadata_key": "608E1919EEAD830A096A2D2175EF"
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   },
   {
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+      "derived_salt_first_section_no_de": "0EFA7A82CC5880594791A173D8B68F1D",
+      "derived_salt_first_section_third_de": "330AB6FE7BF061C0812916C2A721D888",
+      "section_salt": "43C9F9F8025FA74D450018E4AF7F5A0C"
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-      "extended_signed_section_aes_key": "0235441746B12F3D9C06D2B28C2FA62F"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4E037791E96AB41ADB2C626042D5E1C9"
+      "adv_salt": "BFBF",
+      "expanded_salt": "825E9B39815B6F018EF9BA63B5D9FD27"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1F804E3939461AD1A1BBD9257562ED42",
-      "derived_salt_first_section_first_de": "FCC2D133684DFEFD30C949EC6A1D494D",
-      "derived_salt_first_section_third_de": "BDACC67D8750E5F73E18DFCC9C6A831F"
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+      "legacy_metadata_key": "A3CF182BA90505332C0CD8D16521"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9BCF0BD7673F7B590EF98D9D48922A1D",
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+      "section_salt": "EF9C01E8C834F170BF2AD096961391C2"
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-      "extended_signed_section_aes_key": "377EBDDB71EB6728D6E36B3A9328D6BD"
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+      "key_seed": "9110CC32C2669A28B7B2D6C63A4B98F275EFF05A0BDF4EDB7D6A15B3C60C8EAC",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EA13",
-      "expanded_salt": "118361BC3167EB5023720C7160CE1AE5"
+      "adv_salt": "40F9",
+      "expanded_salt": "9A71908C23376FF23BD639045E88460C"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E70834175F92914D00135A917012D1F4",
-      "derived_salt_first_section_first_de": "F3F1FF1B2BBAFC12D3BADABE6F533A7B",
-      "derived_salt_first_section_third_de": "0F86888724FF7A4401EBD992187C1301"
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+      "legacy_metadata_key": "3D0D349C6103D703BEA9825530E1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "95B940C3C676CB4C7B6B419013225FA7",
+      "derived_salt_first_section_third_de": "4EFD29C4454F36C088A71AB1A5E36978",
+      "section_salt": "B40EDA6B49AABAA39FD9E89690E30447"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "7D06F9311AFAB582AA212CFF",
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-      "extended_signed_section_aes_key": "BD4A5AC9A8F5695D34709371FB29192F"
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+      "key_seed": "874CC76DA413706CB2DD1463DCBC0B5CE90E5E4A693AF08F8D57D8AB4C3AD44B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E86C",
-      "expanded_salt": "05AE7A08DC0FE209AD9037836196D77E"
+      "adv_salt": "A154",
+      "expanded_salt": "EC34F365CA45B437BC245A849CDFEAE0"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "9A6AAF56150E248CC9467E0265B59054"
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-      "derived_salt_first_section_no_de": "5ACD93489A8B811D89D8D5E3079794A7",
-      "derived_salt_first_section_first_de": "E7BF2A30BC22BAAFA0362FA59D1C8D6B",
-      "derived_salt_first_section_third_de": "E7E35D16CB5FB16F785C37DA7DE2C667"
+      "expanded_key": "E118436B00601F4834848345AE3A50EC",
+      "legacy_metadata_key": "66BC9C28B4E1A9B02E5C10399B1F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4DC25F5E36A47FB8DDDA50142197F071",
+      "derived_salt_first_section_third_de": "718FFDDA02A03445446D3CE0D13641D1",
+      "section_salt": "34FCD31CFAAB7BF52FF847590BF7DA3F"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "687AD9088EC9E941183947D3",
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-      "extended_unsigned_section_aes_key": "3C0791A78381C977AB2F9A6C51D4689B",
-      "extended_unsigned_section_mic_hmac_key": "397C3659D70E11E8F1EEC97C7766A1CD8ACEBBC8352C4690F18F141AA680240C",
-      "extended_signed_metadata_key_hmac_key": "B9B63DB0BACF2DFCEA946C9800A9C35D72EC8D248119D96FF571F287DBE93620",
-      "extended_signed_section_aes_key": "3B80B5CE8378A5A7CEC281A02B4C6ABB"
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+      "extended_signed_metadata_key_hmac_key": "A247550948F8ABF3191BA5C51B9C86E6339F68146C3EE0B6AA020FDA223E3124",
+      "extended_signed_section_aes_key": "DBBCCDDABE9E00093F0AD0CDCC3E146E",
+      "extended_unsigned_metadata_key_hmac_key": "AFC1296947F1A428B745B2020861F31BD032C6C26DD73E2BEDFADFCC440169D0",
+      "extended_unsigned_section_aes_key": "F45CE1015EF74DCCFF20AEDFB8AE2467",
+      "extended_unsigned_section_mic_hmac_key": "2C464D3AE278E290492B994AE3136A025C0C7E3785E3244D2E10CF648749A0EB",
+      "key_seed": "1F5884FC05B69CFF4CCBDC07AE0ECFC488ED00EECA54944F4B078BD0411C09B3",
+      "legacy_ldt_key": "817192A63DB96769B3284D569A2847ED08749B049C31904B7EA8A605AC5CE769C0869A565D4A54BB24297E4168FE96739D8DC09F7BDB4FFECA4CB8D17696215D",
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+      "legacy_metadata_key_hmac_key": "67B34BE4BC7D70A4A5B474B9C3DCAE9A7DC7F55F01650FDF267871D83B4741FF"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3531",
-      "expanded_salt": "6A63FF7F31551D3255E9775BB719A642"
+      "adv_salt": "27E0",
+      "expanded_salt": "759D8AAAE76D772902617843F7D4A337"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6089DE449B39370A10E4E0DB4926",
-      "expanded_key": "559E5DA14D5BE7094970CAD71ED691C9"
-    },
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-      "derived_salt_no_section_no_de": "AA71BC6CB5F70999F91BCCD6B15D8FC0",
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-      "derived_salt_first_section_first_de": "B9CAECA5A4CB40C680AEF83E4EE57D18",
-      "derived_salt_first_section_third_de": "CFA4C1FA98F7EB697392841FE9F617CC"
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+      "legacy_metadata_key": "AB4AD076951DDC049878901A4172"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7A3B23B57D9F815E09E2FBB7EB96579B",
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+      "section_salt": "D6F26AB63303249185F7E1F5C5FD67CB"
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-      "extended_signed_section_aes_key": "1C9432E3426B455E51A0010EF93A4AF3"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "F3F812BF8497F0DFA5CABDDDE94D2B55"
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   },
   {
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+      "section_salt": "03630B2CAB96048D7569C4CEAE2ED6E2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D922574F332A48D646179E3606DA43C3"
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-      "derived_salt_first_section_third_de": "7D3F5AFCBBEE04B25CE671832D1F92BE"
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+      "legacy_metadata_key": "497A4CF1BC9C6EB4AD172C115243"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3EE9DC7D20E9E275FE3D7763FE23F4E8",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A954F24C5F41C13D579D80FE43821D16"
+      "adv_salt": "9B0D",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "2892E52FE24958C15AB85EBB1A3D9EB1"
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+      "legacy_metadata_key": "44BC0629162372F1B783F0009947"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B3BD6EC0947B1FA305795B02823D0DED",
+      "derived_salt_first_section_third_de": "6C234C702001B91D0D1213BE77DA5BFD",
+      "section_salt": "6380C8E949207A4E4339CCD66E1E8273"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FAB7A2A17BBCBB5AF34D319F02DC7023"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "19F9",
-      "expanded_salt": "97787928ED3DA4B6E98A97BB13A6EEAD"
+      "adv_salt": "514C",
+      "expanded_salt": "EEC4DAD5C98572ADF6DA19CA906F80B0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1EB26690AEFCB6B7A0FB79808C4CE69D",
-      "derived_salt_first_section_first_de": "50A645AB832020E07DD33611A5213CAB",
-      "derived_salt_first_section_third_de": "69C87B09434376A672776F992BD4846F"
+      "expanded_key": "BC67C1B5A6C5F65CB95043060CDD9596",
+      "legacy_metadata_key": "FA388DE777725922739EB6EDA886"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1F327B23ADE0D739E9FDF9E2539DCA67",
+      "derived_salt_first_section_third_de": "BECF1A23E8DFB8EB33AC3327D4087095",
+      "section_salt": "022FC2B3E6DBB7261A0F8AAE907E7ECF"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C5E75AB136A157AF9556731F",
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-      "extended_unsigned_section_mic_hmac_key": "99253161FA5866BCC2A66C9CEE9798137CDB977A3BBCFC294DA279918FDF509F",
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-      "extended_signed_section_aes_key": "C34FF39177876570C9B9DE079A2C018B"
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+      "extended_signed_metadata_key_hmac_key": "10544F098C13415ED689340518FCD87840F2C26568DD0B2A0BF7E92353F1D7D1",
+      "extended_signed_section_aes_key": "0052FB628122175F93B573BF71D502F1",
+      "extended_unsigned_metadata_key_hmac_key": "317CDDBC40504E0260F3F6FB5AD8CBED4C8DBD6DEB68D86C7F9D48D9AB7643BC",
+      "extended_unsigned_section_aes_key": "8968C1E490CAD4CB8F678155F1A626BD",
+      "extended_unsigned_section_mic_hmac_key": "93954BED4251D0D973CCD8ED9E13193220B4F18A43AC8B283F798326A881199C",
+      "key_seed": "612C8E89B00985E9378C566DC44E3B15E74C884A95FEF0082559C1ADE4C12493",
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+      "legacy_metadata_key_hmac_key": "A002A1084FFCEBB6E62E003E43E68DF867641FA54A4282A527BB39AC07C7C178"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E116",
-      "expanded_salt": "4572F51B27EDC1D4A519B4B02FABA6A2"
+      "adv_salt": "5D17",
+      "expanded_salt": "19F8EB47779DB6096F510D6AB3418FB9"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B951A5F67E2A63EF28351D34D788",
-      "expanded_key": "C2B13594866EF35DAB87ACD70FF1D71F"
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-      "derived_salt_first_section_first_de": "2F14F78EDF622180AC26A364DAB9D739",
-      "derived_salt_first_section_third_de": "299369273284CA6B44F218F48860E9B4"
+      "expanded_key": "376F8FDA712187912B37A495AFC2E7E5",
+      "legacy_metadata_key": "381350344DCD31D46A73EAFBAB9D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2A8FF0007B26FF969299228B596B6E8A",
+      "derived_salt_first_section_third_de": "5544AF7814CD67C75BEE349165D79C6B",
+      "section_salt": "B33C9531DDE1518998DAACB076D76578"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1168FB58589AA8951E455490B3497C5A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3D6C680D3273AA84B226785C0A00D5BD"
+      "adv_salt": "7DB6",
+      "expanded_salt": "BBB684DFEE4400387347F3A1ADEC5FB9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "FCFAB0D5470DDB33ED113BB65B5F550C",
-      "derived_salt_first_section_first_de": "775D6255233CC8CF2E56BEF251D1C3E2",
-      "derived_salt_first_section_third_de": "2C3958F07B74943D9A02F18B05688B5D"
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+      "legacy_metadata_key": "19FD3BA82EDC5AC6D3C9D0EC2679"
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   {
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+      "derived_salt_first_section_no_de": "0D1A3E04B0FE7344F89E0C3C536279EF",
+      "derived_salt_first_section_third_de": "770C89E9CE2A780BE5441FC25C561B39",
+      "section_salt": "3D614E5002098CC63E296B5068C2B442"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "EACB1D94997979AF6F5C28132140F38F"
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+      "extended_signed_section_aes_key": "605E9A64FABD81F290E6C8970B78E825",
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+      "extended_unsigned_section_aes_key": "118D1FE237E4FD35CA2F24A7CDACB344",
+      "extended_unsigned_section_mic_hmac_key": "1BDB1547230201419E3A3B69131DCAB5FB4F81B00130588CC64BE0447C9825F4",
+      "key_seed": "FB98493C86FDBB8A602F528C4EB539F27C4DDBF2E15D13741B8EB22E59A700A8",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4275",
-      "expanded_salt": "7C11D946215555C14677F9E8276FCF73"
+      "adv_salt": "45CF",
+      "expanded_salt": "B9DEE5AB9D0AB3F30F4F49EF8570B238"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "846D59B5FE0D0CEAA05AA7600ECB7024",
-      "derived_salt_first_section_third_de": "EBDE79DB0A1B03BB19A2106BC9EDB857"
+      "expanded_key": "A973035F81F4831DE2DE39FD10569107",
+      "legacy_metadata_key": "6C1C268F8D5FB16F50F369053BFC"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "149B2FD5F44B445634BD8D911DED501A",
+      "derived_salt_first_section_third_de": "8D59F7A962D90281D9EEDCE16AA07B06",
+      "section_salt": "30F175F5EED60E24ED218D13A50E363E"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "64390215C95E2C15CF8C70ED",
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-      "extended_signed_section_aes_key": "974BB821109DE93950F7FB4D120E0D9F"
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+      "extended_signed_section_aes_key": "1DC29C7F02CEF9C16E81099DEFA8045D",
+      "extended_unsigned_metadata_key_hmac_key": "26CE3FD11DD86D51721E6F23778839DB633AF786DD9BBCC85C102473DCE470B9",
+      "extended_unsigned_section_aes_key": "17C72B9F33F7813948744E6F45A75330",
+      "extended_unsigned_section_mic_hmac_key": "86FC4DEDD53F4F6FF00AEA6F751535E00005B57EC53E066A0084CBF6922E9339",
+      "key_seed": "423D964AE7BFD08C8A43885509661C98A8DA87882690C66EC4DA21530B904315",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "51A5",
-      "expanded_salt": "E0020E2A359FAE0F3CD706DC27B71F46"
+      "adv_salt": "ACE5",
+      "expanded_salt": "AD84C5A7D9322C91A67702B81BEFE874"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9CFF5366CA101326565B9BDC0D8E",
-      "expanded_key": "6147529EAF9014159D6E10C8125D7DFC"
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-      "derived_salt_first_section_no_de": "65274C305541348334AC6EA95AAF98B8",
-      "derived_salt_first_section_first_de": "BB45AE5893353A2CDFD27707627FCDB1",
-      "derived_salt_first_section_third_de": "40E6E7B1C1EA5423AD0D1C75DFD2E86D"
+      "expanded_key": "40E0B875D2919E91189EF8DABA5094D9",
+      "legacy_metadata_key": "9D3F4D04D831D3B1A5B400D44A16"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "F7DBE0AE554F85252D802DD2AC8559B7",
+      "derived_salt_first_section_no_de": "A03DBC8ECE85A6A66EC47FB614A240EF",
+      "derived_salt_first_section_third_de": "A75DFF70C2A924F093DE96E42AEA8A3C",
+      "section_salt": "A364C88B16129022DFDF06A10199ED82"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "7F9BC33D11DCEDC0354A2631",
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-      "extended_unsigned_metadata_key_hmac_key": "0DAEBC50487E8FAD2854E83743389103AB0A43E04256B6EE85EC8E609C113291",
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-      "extended_unsigned_section_mic_hmac_key": "72E4D878DBA2D0BF43DAECA7B3FA5B5018B75FD5ED446741D1062EC46C6CD0EC",
-      "extended_signed_metadata_key_hmac_key": "BBC9AA999BE09B1A23B091FEC401390D08BDEC174F720079CCF7053D1EA8571B",
-      "extended_signed_section_aes_key": "1A4AD71AF2F79EEC0EB66E8D87D82FCD"
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+      "extended_signed_metadata_key_hmac_key": "DC5C7A1476C0F290FED5A206B17F205EAA305765FA69A054DF4019DABB62E0C5",
+      "extended_signed_section_aes_key": "660F39E30D6F1C017813948C8398FACB",
+      "extended_unsigned_metadata_key_hmac_key": "A0EF870E10636A910526C8F60698E23472C4FEB02E4761A8F844D1AD83B19E94",
+      "extended_unsigned_section_aes_key": "5808308BBF5F58AF71CA74582357BC2C",
+      "extended_unsigned_section_mic_hmac_key": "ABBE189ADA8AEEF0CB352BE98EF78BAC303F28EB25C562D17D995C1A9CF2A16C",
+      "key_seed": "E04FE3CFFDA693DEF23AEDAB4BC3BF4E3C93D0C064A5DCB5372BBBAEE90A3E7B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D529",
-      "expanded_salt": "23DED03A33983359100D3A70AA70631B"
+      "adv_salt": "417D",
+      "expanded_salt": "D4EE5CC2AE3180B9D10BB05369A97A0D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4A8AAD42A870F27F6B79EE09B2D3",
-      "expanded_key": "3A691805DC9F74740445C08A45B6706C"
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-      "derived_salt_no_section_no_de": "ABA6361420359FDE01F4136DDC3CE08F",
-      "derived_salt_first_section_no_de": "E3A7249C16A8AFDFB1DF982EDABE0009",
-      "derived_salt_first_section_first_de": "8CB0BA0FD9F58D6620282A888EB3B6AD",
-      "derived_salt_first_section_third_de": "F84267E5C12B8508512502054ED7584E"
+      "expanded_key": "77EDE329D48DE692D09D67604B1F489A",
+      "legacy_metadata_key": "EDC205A82DF41412B8461112D265"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "50DB7ABA3F7A2D9A56F0BF6EC2BDE12B",
+      "derived_salt_first_section_no_de": "0F723FF2CEC14DCBFF96AE79DE852C04",
+      "derived_salt_first_section_third_de": "433CD7D230EE438D165CFA77E79B0294",
+      "section_salt": "A7FC36AAF53955418875D1F9E60A2562"
+    },
     "key_seed_hkdf": {
-      "key_seed": "1CEC1948A373CC0048415B6C9F6E16F5D317C50029C02BFB8AFD0D91F4E13094",
-      "legacy_ldt_key": "E8863E79282371EBC976D821749A926C92A7F966CB38927B9476C4A82DA9616F3DA12F8BD1EB302B1920B95FB90126AB270CE5C7EBB779DA77CDC3FDC451372D",
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-      "legacy_metadata_iv": "D42407F79BE104F4C7531444",
-      "extended_metadata_iv": "A4EFB4635F84ACFE062549B7",
-      "extended_unsigned_metadata_key_hmac_key": "80EC49C418AE79EB1742623E30EAC61E02E2D13BD8E88237A221BC48A4CB970F",
-      "extended_unsigned_section_aes_key": "02A1CC54A478BBF268F834140D9414BB",
-      "extended_unsigned_section_mic_hmac_key": "65246608450F4458121CF4AE801F7D81DF5A43F6BCB8FDB60EAA985E6C2A9F0C",
-      "extended_signed_metadata_key_hmac_key": "A0A80D16432F2137519212733021C655B9E27CA2703957D15F55311A6A296122",
-      "extended_signed_section_aes_key": "48C0F6B427482705013B16FF568576D4"
+      "extended_metadata_iv": "ED3178B8912429E7D93DB30F",
+      "extended_signed_metadata_key_hmac_key": "238268531D1C5AA791FB8307551CC9ED0A8D08CC9E6C0E5F75185E5203FD7B3F",
+      "extended_signed_section_aes_key": "4C315F2135439406D4E3C277DFD26965",
+      "extended_unsigned_metadata_key_hmac_key": "6BC7CFDE1FBC9C86E1CD520BF1F20AA6D0D62D9732A1EA3548EA8C3EFD8B434B",
+      "extended_unsigned_section_aes_key": "1C5891F8C0828002A271A9397F4AC21E",
+      "extended_unsigned_section_mic_hmac_key": "3E3B4DC0C1EE1B4D547ED9F3386CFEB7D7FB46BBAAF64FFF92DF959ACE0D53EC",
+      "key_seed": "09071469BFD357EAD5F47118D48BD2F4D948D897450F7423826CDB29B92B6B59",
+      "legacy_ldt_key": "84F97D2722A5CF4556B65A5A0821DF6EF66678D49F37CE9D5333DA692D3FDF5ACDF3D7E28A1498B032D1738401C0003BB83B2315EF63C58653291ED4F295632A",
+      "legacy_metadata_iv": "D98BEBA4DD54CEE2106F1339",
+      "legacy_metadata_key_hmac_key": "2E337E306EF89AAB64648FF715CF1EFD5784FA7C8E1FCDAD2E91703F9E3E0BAF"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0E41",
-      "expanded_salt": "93AA122AF05954FDE28B5041BB7A9351"
+      "adv_salt": "EFF7",
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-      "derived_salt_first_section_third_de": "11238DDE3E3EA230D6856B5082591D46"
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+      "legacy_metadata_key": "2D4880D25EDF74903EAAD1B6DCFF"
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   },
   {
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+      "derived_salt_first_section_no_de": "38EA403ED3AE46B29CDDA27156F4E53F",
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-      "extended_signed_section_aes_key": "C09FB8C57783B6FA78764ABEC4F7AF3A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E46DE11AEBC8FD6284AFD116586D65F9"
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-      "derived_salt_first_section_third_de": "65EC88F8C7193252F57AA601906ADAE8"
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+      "legacy_metadata_key": "7C5C0062A8EED18605F3A80AE148"
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-      "extended_signed_section_aes_key": "6F08D970829E70292E73990BFFE69A35"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "333726825AE1FCF3B86ACE4F7B591F4B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "FA23EFB4554281442AF97143CA0227A4"
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   {
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+      "derived_salt_first_section_no_de": "66D56A23BB00BB6C571592234AE1E352",
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+      "section_salt": "351C9CEF1210F3732749995B10512B8C"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D4C3",
-      "expanded_salt": "9034A31BBC439DF7F1BE78AB09B0A3CF"
+      "adv_salt": "CD46",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "8EFB267FD630CE363E1D4C88A05A20C5"
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+      "legacy_metadata_key": "48D7BF7E63FF28A78AEBAF9749A8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6E409C17473631BE0DA52405A24DEE06",
+      "derived_salt_first_section_third_de": "9B03C799AC1736C367FFED8733E6EC31",
+      "section_salt": "2679C9E3265F6F728FEC5DB984F282D8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "06F91A73A3585EA07F50DB2F67083FEA"
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+      "key_seed": "C1523A79C7ED53204FC44EE5DB65BF53EA7E3D402CD47F26E4AEA8DA07DD1D66",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "611FD5037C2CA01F88BA04F97D05FFA5"
+      "adv_salt": "56F2",
+      "expanded_salt": "1099635C619BB48F9893207AC493CB8E"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "F667B4F163E69307450A998125C44B28"
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-      "derived_salt_first_section_no_de": "ED74FF499D88FC382EC3CF3CEFC49016",
-      "derived_salt_first_section_first_de": "313EFD89B00F29CCA5010471E0C00547",
-      "derived_salt_first_section_third_de": "132772E05F261A7403A4D9BA29B72D2F"
+      "expanded_key": "D3B38DD3D0AE58EE442BCFBCF12D9C8C",
+      "legacy_metadata_key": "73A41432096431AD1D6750914621"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "FFBDFC47541BB11D53B907D3277CCB30",
+      "derived_salt_first_section_third_de": "EFF9181DD16646F33B4DAFD68E671703",
+      "section_salt": "96325DDBC7BEA0D6D7B3E601A125B768"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "EE6D0526556256E70A164E842ED29973"
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+      "extended_unsigned_section_mic_hmac_key": "F17036520B6A06001591E1FDA30F9284E74ED32E1D598ADABB7FC0CA3D86F229",
+      "key_seed": "CCF1A0C21842CA2705BE203C4F07CD2007263E22755672573CE918BF6DC3A251",
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-      "derived_salt_first_section_third_de": "9A8E14105927E347E8D8D6CD194FC0FF"
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-      "derived_salt_first_section_third_de": "3A98AE988242056D0F90E252E56F3B95"
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-      "derived_salt_first_section_third_de": "FBC2BE16BCDF948747527C7C388BE996"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "40C587608C59EAB37DE54F283B77E382"
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-      "derived_salt_first_section_third_de": "F5B0F05EF7B06BC13A1D201869D8F739"
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   {
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+      "section_salt": "69AE8C23C12DF295B2D7988AA7C10CE8"
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-      "extended_signed_section_aes_key": "212A0413021468519FDDB76EF792A531"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "88B60818C06DB2DB85AB533A7CD731A5"
+      "adv_salt": "C965",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "27468325784C04F76CA570DC9664C273"
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+      "legacy_metadata_key": "433BC87A570293B37949585D1CAC"
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   },
   {
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+      "derived_salt_first_section_no_de": "ADDFE55521615B605C95DB2C2C9BACBB",
+      "derived_salt_first_section_third_de": "06560AD020157E62DF507F3A24FDD53B",
+      "section_salt": "F545A4FF97CF2554B8088C0938FF13F4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "52FDE47FE9BACDBF7F33CA1A77102419"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2547CFF7C0AEB5F5909AD96E6EF06E54"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "3D90A2CC1740B473AF25BF96204FFED6",
-      "derived_salt_first_section_third_de": "4E356EF68ACE0F0234DCEBAF6DEF3916"
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+      "legacy_metadata_key": "606697863A4788239544AE15BFAE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "097990844ECCBD4D4513841C6E57EDF5",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C9169A0503DDFB774F12C141B713CCBD"
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-      "derived_salt_first_section_third_de": "E88900C7C2316E4FD12E431297668865"
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+      "legacy_metadata_key": "123882569E11D0FE9BF78E6192AD"
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   {
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+      "derived_salt_first_section_no_de": "7B12EFF80E23024B99BE4927112291BD",
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+      "section_salt": "956D2E791B39DAFBCEC1E0D0859503ED"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "ECCC3DA24084815AD9F2C0F9920F1A8D"
+      "adv_salt": "9275",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "DDC2D3B4A8D26F43E3176A375C2D9AFB"
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+      "legacy_metadata_key": "1217529025098FDACB8105303BDA"
     }
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   {
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+      "derived_salt_first_section_no_de": "FD0BDA45B8244EFED047036584A2D27A",
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+      "section_salt": "2200F3DF849B64D271A4631DD0E2D5AA"
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-      "extended_signed_section_aes_key": "BC1546FF6AF6B17C31DBEDE1DD78F5E6"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C6B6",
-      "expanded_salt": "0F88B65AFA92742DC5E28A26CCAA32A4"
+      "adv_salt": "EB27",
+      "expanded_salt": "7334AEB06C1CA96B8DBB4C06E0D3FDF3"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1B6BC94A1A942B423A6A14286343653C",
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-      "derived_salt_first_section_third_de": "138E22BAF460A11EF493F7C5496C5032"
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+      "legacy_metadata_key": "8E2C4E27AA1D1C2D9FFF911E8710"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "AABAAE2FCED67E7F4C432942F9DA6BBB",
+      "derived_salt_first_section_third_de": "FD652973D6CD42CBCE5527D6D5B87F2A",
+      "section_salt": "B39B0D3AFECF10FDF7214B73495BC002"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "A187F31F88857C822D38C85D",
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-      "extended_signed_section_aes_key": "A75D0CA9DB89C4C061365F2808066FF2"
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+      "extended_unsigned_section_aes_key": "B44823B597B5DDD919EA4D776B9B20D1",
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+      "key_seed": "F295A599D93F76CCDB35010FE9AD97ACBD595EF4BE8A107785D1CFEF7B00A0DD",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "65D9",
-      "expanded_salt": "1BB770CEFC06237425DB06C61C0E286F"
+      "adv_salt": "DF78",
+      "expanded_salt": "1E90A59DD9479EBA123000AD3A81DAB7"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FA0391CD1E2FDAF29BC9E0C8AD35",
-      "expanded_key": "FF6BC60EF39E1F657B215BC15ED164A1"
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-      "derived_salt_no_section_no_de": "EC213C6AA47C02FBB29BBE9B021BD6EC",
-      "derived_salt_first_section_no_de": "AFF190142F3B5BC4D4188BE7959EA31D",
-      "derived_salt_first_section_first_de": "3C87E60ECC0D2A169F2C559219AB1355",
-      "derived_salt_first_section_third_de": "03C78C6D5E7984E83185E067372E60C3"
+      "expanded_key": "8F886FFF43FC479FE5273664D545F6BF",
+      "legacy_metadata_key": "BCAA16DCB2590A34CE896A7C615A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "24CBAAFBD4044925EC6EDB73503F8597",
+      "derived_salt_first_section_no_de": "94FB8561754E7B72959A111FE3F13C54",
+      "derived_salt_first_section_third_de": "9EF3E6338CC34F8A95901B381291B9A8",
+      "section_salt": "16914B5F15C5A186F600714FFBD9FB55"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "273989DF39BC8D0CDA47BB8A",
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-      "extended_unsigned_section_aes_key": "7B7F4AAC1C0B720AD6AE167AB50676FC",
-      "extended_unsigned_section_mic_hmac_key": "68EE759169566BA46BD762E3AA5E4BEB199D3C0BE44B438451D0AE56FC54DA56",
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-      "derived_salt_first_section_third_de": "A5AE48E73AD1F18732A0545BF5E8D129"
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-      "derived_salt_first_section_third_de": "4F72AEA697FD75A79CCD96CBE7EA877D"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "DEFF2A1C16281A8E0E2B54DC5CEE465F"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "20632614D3B0FAD5C2FA354DEEB23046"
+      "adv_salt": "5544",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3ABFC045F2C6BCB345467FB1F5364B0B",
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-      "derived_salt_first_section_third_de": "22810090D31067FA24F93B2ADFF62761"
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+      "legacy_metadata_key": "6A99FC65479CED6C485203512352"
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   {
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+      "derived_salt_first_section_no_de": "F5EB5D0EFA695B19B1DD7191240DD433",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "85D8641DC03A2B3D0F1146A8845E254D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F5DD8D9E2EC928175BC051D2ED332A48"
+      "adv_salt": "4532",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "EB9A191B0B47622780F29647C05D6383",
-      "derived_salt_first_section_first_de": "AE67C276F69F43E4A3D3DAEF71FD8337",
-      "derived_salt_first_section_third_de": "A4E45C33CAAF4EACAA83F0AA3D581C9D"
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+      "legacy_metadata_key": "2A6FB69E3F27ECFAB31862563744"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "90BFE7373EBF2F7343897BE27D2CC8D4",
+      "derived_salt_first_section_third_de": "A43781EED0C2D42E6E6759DAAB8650E4",
+      "section_salt": "7757423FAE6EADEAE1415A13F37FE6C9"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B89103681EB0B41ACE30C209",
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-      "extended_signed_section_aes_key": "109785AFE892283003680407DB79F329"
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+      "extended_signed_metadata_key_hmac_key": "A209E306B97C0710134A1795B288C6B0B137FB0DB5B669F9ACA04B14C531B12C",
+      "extended_signed_section_aes_key": "8FDF00E02EFF5EB129C8B0B2855C7089",
+      "extended_unsigned_metadata_key_hmac_key": "8A6472AA458D1C07CE7B379B017948568CC542C032E44FC38C1CDAF707A08DF6",
+      "extended_unsigned_section_aes_key": "6C29E0FDD891F64DC563128808341BC4",
+      "extended_unsigned_section_mic_hmac_key": "FDA2BADEAEA5E0B4D8218FB6318512D4E15136D43BFB8EDAAA9FB44CDD749C59",
+      "key_seed": "B1F1E2A0B7FA056A9E65802258B9A399A311270FFB8FCC84775FC33B2F8063D9",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F45D",
-      "expanded_salt": "65DAF312CDE95C6381533422D6DF801D"
+      "adv_salt": "CD9F",
+      "expanded_salt": "FE3ACC80D6ED56C75AB78031576E3672"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E0FE3B03504351E5CD8E277A757428FE",
-      "derived_salt_first_section_first_de": "5CA602BB06F87102613F4E803CE10E60",
-      "derived_salt_first_section_third_de": "D18E750F622823A48F7203EC4F52FA54"
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+      "legacy_metadata_key": "02FF611731BE3C1F1D10471002F2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "39B0C0DB2EF3D67560A63FE3CB2D16E0",
+      "derived_salt_first_section_third_de": "B406AB80E164955C59616B2E08635FEB",
+      "section_salt": "3310D8D1BA64F708EA441C6BB4D706AD"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "41EC36FAA24728266BA207D13EE276EB"
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+      "key_seed": "EBAA26C9BF6F5346DD031292B87A0BBA23FCABDFFF3219E0AE6F95EEDCB10A61",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E406",
-      "expanded_salt": "DA72759E24D6D0108A4B74309F70B138"
+      "adv_salt": "D5EE",
+      "expanded_salt": "7C6C8717685B9B6B34DEE9E7CE7A4705"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C63EF0A7C500000F995EE906F5771EDD",
-      "derived_salt_first_section_first_de": "9D4F9792E9F196D60C9484A8117512DB",
-      "derived_salt_first_section_third_de": "F13811370D9152F8984D9FBD148C39C6"
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+      "legacy_metadata_key": "BFC96D0A0F04CFC0BD23D5A09950"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9D902A3BF5F0A6A9ADE9B7E85BA43CC3",
+      "derived_salt_first_section_third_de": "586D4B236957609F493E2BC6D7B0DB05",
+      "section_salt": "B27616239F0F99149112AFA371E5D43A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "270799044DEC15E7C35EF8004D31409C"
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+      "extended_unsigned_section_aes_key": "1EF5349D51325F14D546D6B39E1F8064",
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+      "key_seed": "E4DC61C42F39056C0D03265B4CFFE2EC853ECED356189D3DE04EEA9F85639D1D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2F15",
-      "expanded_salt": "C76A06BA182D1A67FBADD155406C1A9F"
+      "adv_salt": "79CF",
+      "expanded_salt": "0E6B27683DB11DBD7D4C1499A95A3547"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E458B0AA4F6C97CBB1A672FEFAD7B282",
-      "derived_salt_first_section_first_de": "389669CFB668FEB4EC22AFBAED2DD340",
-      "derived_salt_first_section_third_de": "509C112B0666C14C4DA146B8E1E0E14F"
+      "expanded_key": "EB56722A81D2A68E23DD27F290490CC6",
+      "legacy_metadata_key": "FBAD503C8A06164451DFF9E56303"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A8C8F4AF08F9230DDCB76FDA4A2F7DCB",
+      "derived_salt_first_section_third_de": "C4B620D876D16FBB9DE00FCB351B8606",
+      "section_salt": "20AA39619EEB1A0E9E37735C47BF3B32"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "24019FD8A2BD51CE7893D1FB",
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-      "extended_signed_section_aes_key": "2E8128C1FDF5FD96E1B5A0266B8F9E84"
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+      "extended_signed_metadata_key_hmac_key": "DB015B3136755425AB69EF516826FB9E69162AF4DFF79189D44165C3FF628C74",
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+      "extended_unsigned_metadata_key_hmac_key": "D724990E56B1CFA39EBEE4600AE424E4229AAC033AA064313942BC5C100EA68B",
+      "extended_unsigned_section_aes_key": "36A3A65CF87AC62A6FC9B584351E92B4",
+      "extended_unsigned_section_mic_hmac_key": "A1D27C73DE3FC4F3453468F9A1D6F45D1BBFC2D29FA7007B704170D313F0C0FB",
+      "key_seed": "4020B98A697FC3307221352D98E61B225DE45DACED1BFF4FBBB482D2AD448CFA",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2924",
-      "expanded_salt": "396429423D45A62D8F49B78DBE2BD0DD"
+      "adv_salt": "7E00",
+      "expanded_salt": "7BADAE1296F32387D185EBFD4F56BDEE"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "94BC4FB68B86702BE21CB84B84FF",
-      "expanded_key": "75F5643FD0537022E1A60A8809B2A2A0"
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-      "derived_salt_first_section_no_de": "DBC467E965DAE4D064E87DF4A5395852",
-      "derived_salt_first_section_first_de": "8460C1EE0E3A0AEC44F7D2A2EE5AF284",
-      "derived_salt_first_section_third_de": "B968930D51726EE8610C3DEE72EA6EAE"
+      "expanded_key": "5BC40F661E11BC3816BF544E4C5E6CB8",
+      "legacy_metadata_key": "2A3E6EFFF9BA09ADCE84BF89F241"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "245A634705173FAE492062B6FECA610A",
+      "derived_salt_first_section_no_de": "D1D5CEC5827DB4F434187E0EAADF80A1",
+      "derived_salt_first_section_third_de": "14DB910287FF7EC29BF642AABC2F2CB5",
+      "section_salt": "8DD6243068DB373DE8914B4111C7C624"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "840DECE92A336CA1145C92E4BD91BFD9F615860A27C28D345F261BEF9AB06CEE19DC3CB206985A3E66F761D1C41509338529A03956BC9485679972A0C350FE08",
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-      "legacy_metadata_iv": "F3F9378F29EBE7A8BAEFD03B",
-      "extended_metadata_iv": "C41CF3D6D21E06AFD37B40F5",
-      "extended_unsigned_metadata_key_hmac_key": "0AC2D4833EF5D7DFFA4A7C096AFDCF0D01026F64199D0F6AB4C4A33F66E0AB56",
-      "extended_unsigned_section_aes_key": "B5EAE394C2D608221163CBD2BF50963F",
-      "extended_unsigned_section_mic_hmac_key": "99598D8A5431BB55C00346FFE5F97D76932BAAB816D1A184700415D39E7C1D19",
-      "extended_signed_metadata_key_hmac_key": "1C07541FFEFF355577A9827A5132E543960FF44CCE3FF873718FE53CAFFFA641",
-      "extended_signed_section_aes_key": "ABA1E7F7AC503F63E27252D0BC6A007F"
+      "extended_metadata_iv": "5C324BAC37E012596B73775B",
+      "extended_signed_metadata_key_hmac_key": "DB31BFC047FE6453D75242D9FD67927C5E42D7793AB50BA8552C203DA07AAF86",
+      "extended_signed_section_aes_key": "31E2EA5C248B2ADB3FC1778C5F1534BE",
+      "extended_unsigned_metadata_key_hmac_key": "5AB00E4300080BC8DFC33E0917B68E50BD004D2FF80BB69319DAB85731F3EE28",
+      "extended_unsigned_section_aes_key": "D240E08F13E969074A63982A8FA1B1DC",
+      "extended_unsigned_section_mic_hmac_key": "C561BDC025DCEDFECD6A5EB4BB43BDD5C514B9934FFD9B9A71D1B8CC459DF57D",
+      "key_seed": "E8248D9570A43D20D7FF69ABE9250F3BB93EE287A36CCCB6CAA58AB05C4E6BDC",
+      "legacy_ldt_key": "5726BDC3FF9A261EEE163857BC0BB4ACD877179A867D48A862CF711A5C2AF24162A5763C254F3E788ACB7CBD65CA608E1389EC59B1AD7470BB2B58C5B83ADB92",
+      "legacy_metadata_iv": "60A9730511D10B003C8F3FEC",
+      "legacy_metadata_key_hmac_key": "2A77DA1D5823DAE27ACE4AE2E619A4112408E31828D4230B55CD620345EC310F"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "09D7",
-      "expanded_salt": "6C9D1C13961ACAD4F5B587CFB558DB23"
+      "adv_salt": "C57E",
+      "expanded_salt": "7AEA364B93454EB6D3472D875BD9D487"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "61A5DBE7C739DEB2F2D6778A060B",
-      "expanded_key": "18DBD3AE5A0602618ABF80FB8D265388"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "8D8256EFC650C9689261A8F87E8B8A1F",
-      "derived_salt_first_section_no_de": "5136C0C0B6E2DAB1989453B287DC877E",
-      "derived_salt_first_section_first_de": "449C17FCE5BAA57D41D9FB52C8921471",
-      "derived_salt_first_section_third_de": "D67E3CBAFD03FB61677AE6141BE4E7CC"
+      "expanded_key": "AE71EECB9913AC035A7718DA632FC36E",
+      "legacy_metadata_key": "90B02EFDFED21512A6E6ADA85125"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "B696D85EE45A4B7B91E366000DABBCCD",
+      "derived_salt_first_section_no_de": "59D6309C0BFEEE199B356637E1F841F1",
+      "derived_salt_first_section_third_de": "5136CD6F55C58548BC6F2B50BEDD8412",
+      "section_salt": "69179473CB70A3DA47D487F6E85029FF"
+    },
     "key_seed_hkdf": {
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-      "derived_salt_first_section_third_de": "D7C6DAECDCF2BD6B087A8A30C39DDD42"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "1180BEC7724A0ED788293E91C3705D47"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5B82A4FF06127B14A6A751416A7BD470"
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-      "derived_salt_first_section_third_de": "63B6AB1D670B7ED44A3ED3FC8035F258"
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+      "legacy_metadata_key": "26613CEE9445D002DC57E6B59994"
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   {
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+      "derived_salt_first_section_no_de": "219F0AAD89418CA110B00524D08B133E",
+      "derived_salt_first_section_third_de": "21D700F097C50022D003B0A92BEC325C",
+      "section_salt": "D4BBA2DD2EB6A0417473EAF78A8B2E52"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "01A437E0E44DA76DE9081A09B89D4364"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4D9C",
-      "expanded_salt": "1DD9525C93227DF86899BA13BEC1A98E"
+      "adv_salt": "3930",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "55D84FCE5784ECC949C1EEDB352E01E1",
-      "derived_salt_first_section_first_de": "519312CF634AFE7B6D0EE3B2FBE3181F",
-      "derived_salt_first_section_third_de": "BC4DF96988F3260864C1AAA5FCC6AFDB"
+      "expanded_key": "FE84BB5D6640CD8CD615D1A00FB6E54E",
+      "legacy_metadata_key": "1BDE9D61D3E35708AFC008B099E5"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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-      "extended_signed_section_aes_key": "81A682A462269EC7B896770FD19BB488"
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-      "derived_salt_first_section_third_de": "0632516C016085F6CC1D4DD7D3581C92"
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+      "legacy_metadata_key": "821116D78FAF37BE3E1217EE6CFD"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2A1504E90C9CCE9354D4C77622DAA710"
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-      "derived_salt_first_section_third_de": "700847D4BAF501DA892CCB8E1CE73096"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "12708311D700B932047195697B2E0EB1"
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-      "derived_salt_first_section_third_de": "04EF8AFDEC44919B5F7AE8A9BFB8150A"
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+      "legacy_metadata_key": "D997C8BF6C71BA97469F69F1D97C"
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   },
   {
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+      "derived_salt_first_section_no_de": "E5CC544AD910F93668EC34264FB622CE",
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-      "extended_signed_section_aes_key": "EEDAAA188CB8F08B89BD331EB9529B06"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D0EE53EB41EA103A1B8681030CD59E1A"
+      "adv_salt": "D1E3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B095D4A5D7E8151CDEAE3775FDBABA8B",
-      "derived_salt_first_section_first_de": "F837CF696E5B7DE72379CDD726E371ED",
-      "derived_salt_first_section_third_de": "9B13D2578B8FFE125DFF58B15306CA67"
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+      "legacy_metadata_key": "4163976AA4E00D2ECD92179215CD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F01E9D9249E20312E05F8B60A1DF9F9A",
+      "derived_salt_first_section_third_de": "78D9D4D9D8FFBC3BAEC841D910AA1183",
+      "section_salt": "B2C9B55BE11E612B2FFF50BAC1F2DE96"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1E2C89607F72F6CE113F5DD8",
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-      "extended_signed_section_aes_key": "6F72AA6453A04F120E18173E8472BAEF"
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+      "extended_signed_section_aes_key": "B3D53171BE54D0684CE90E3A783AF7EE",
+      "extended_unsigned_metadata_key_hmac_key": "C07B3C2B9F0D9A39323FC716943933F2025EAD90520E571A4D42A29B7BA530C4",
+      "extended_unsigned_section_aes_key": "CCD09BE73CDA757E5C793CA26F3FFE18",
+      "extended_unsigned_section_mic_hmac_key": "CF342EA17A58E60744203258C6E453980445C4CC7EEFED25D52BE6F105E9DC7B",
+      "key_seed": "310EE6CE652EE09C1635607BC3FA9D7D38E809DCEDC4A9E1B491CF4547BCE1F4",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A46E",
-      "expanded_salt": "C7B7276158F59E97860D66C9CF6F7A32"
+      "adv_salt": "083C",
+      "expanded_salt": "5418479E5D81FAE47544130B453A2F05"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D1E4CA58F736887607422A15ED3C",
-      "expanded_key": "8B2E5EA741413146E449C9844B440E3C"
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-      "derived_salt_first_section_no_de": "C368252B814D2483BBC3132D375D337C",
-      "derived_salt_first_section_first_de": "4B2ED294623E8610F82852B79675C0AF",
-      "derived_salt_first_section_third_de": "47334C7A89C61718E27A921B7D340429"
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+      "legacy_metadata_key": "A6EDD122B555BE56C26B7D1852FD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "07652E9079B20D8AA7504875AD2782C9",
+      "derived_salt_first_section_third_de": "5CA9F90B47539CBF10081D7565D205E4",
+      "section_salt": "88406C7FE1B53B6EE3AD575CB82395B7"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "998F6EB03E95567416039F84AFF9E64E"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "825567A27F39F45A3D57D78E77F49283"
+      "adv_salt": "9E77",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "BC6259A56623DF05701B1B9F62B74EDE",
-      "derived_salt_first_section_third_de": "1E03C20573EBA3A67E18B92D67D25111"
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+      "legacy_metadata_key": "1FA9BE5497D920ABF5A1B4164FC2"
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   },
   {
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+      "derived_salt_first_section_no_de": "3AECA12D321B5175B1B2CBD33596A3A1",
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+      "section_salt": "19320B76F48B77816EAAE9936E27B145"
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-      "extended_signed_section_aes_key": "83324975437F4431800689120ECF2357"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "48FE",
-      "expanded_salt": "95985CBEE38A0C2D29047A12844989FE"
+      "adv_salt": "89E7",
+      "expanded_salt": "48AD07D1A2CD4C088EED078A74D6D709"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "2ABA98E9C653B7D16BAA5ED8E8DAC8EE",
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-      "derived_salt_first_section_third_de": "3B9461B126B2A6FDD8F3DE1821E42E3F"
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+      "legacy_metadata_key": "8575F9D4BEDDE9113EEC02B87FBA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "890D13D13EAF2EC997D3F185A15969D5",
+      "derived_salt_first_section_third_de": "6412C03FAE19333494A0D8D172BB253B",
+      "section_salt": "01AA2703CD02D68BD0DF16017B6DE6E2"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D1A071DF113597AAB38976F47D75ED79"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "945E",
-      "expanded_salt": "97F889FE27E1620BBD55262E5791EDE3"
+      "adv_salt": "D0A8",
+      "expanded_salt": "BE6EB29087F1B38245FCBA0624B6A417"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C227BC3EEC09BC4A72760951457B1140",
-      "derived_salt_first_section_first_de": "9150A6169F4617F14C403396A3B6F3B8",
-      "derived_salt_first_section_third_de": "9843BDA220E7C4AF1ABF528BF0B2944C"
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+      "legacy_metadata_key": "885BCBBC13BEE9F8E6AB772F24D8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "06F1D5F2BA16FB9CF268C5D842DA6374",
+      "derived_salt_first_section_third_de": "CC49B6071723D4DB7632861C2B9F27F4",
+      "section_salt": "78311874EA545D47CFF324446449A1B9"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C9EAEBA4DC45BC83D523AA94",
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-      "extended_signed_section_aes_key": "BFB8F667FDD4CD89E885220BE56BEFCD"
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+      "extended_unsigned_section_aes_key": "FA848B9EA9279D3BB7D9464C6A2660FA",
+      "extended_unsigned_section_mic_hmac_key": "FCCE2A507183063546DC1C16DB60C476D37ECF707FB0B03260154FAF0EAD9B60",
+      "key_seed": "1B275E25B74973DB754E38201DA4CB5EF722F2862D8E91FF35B660E93A739D0E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0B9C",
-      "expanded_salt": "DFC2E0AE9910CC071713EBFF9F415E1C"
+      "adv_salt": "8DAB",
+      "expanded_salt": "116F4699F795403DE06A6E6DC1323C22"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0CF7DDE37F29932B4E2665538273",
-      "expanded_key": "D7DB7E86C3EF6F79819E47B286A002DA"
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-      "derived_salt_first_section_no_de": "FCF9681392CB3C6E77BA712B41D006F8",
-      "derived_salt_first_section_first_de": "FE3024467B3EFBFD27EA2288D82F3ED5",
-      "derived_salt_first_section_third_de": "23C095585A4604D08B788351152478A2"
+      "expanded_key": "3A9DAABA3CACD35BAF2A4DBE5249861A",
+      "legacy_metadata_key": "0A49ACBED10471BE7C84FE8755D4"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "75D6D97A2A6A2B1DF8FA7ADD6F4FAFF2",
+      "derived_salt_first_section_no_de": "E1ECF3B5F88B36CD14DC10A49BA71A98",
+      "derived_salt_first_section_third_de": "43DEE76EEC7653B33AB5F10B9152F931",
+      "section_salt": "4E793AD80AD55119D152A0EB1F760E94"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E4728A55268301F7D653FFE9",
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-      "extended_unsigned_metadata_key_hmac_key": "5C3376B8C9D99A8305ED49702C5C5815C1E52BDA1A2971D179EA55A38012E9F4",
-      "extended_unsigned_section_aes_key": "095F8880B5B030B7B7E34E0E62DCB4B7",
-      "extended_unsigned_section_mic_hmac_key": "BC43D2E9631D0FDD4F637B6B7E93D7CED8C0F685554D5590B105DBF9A66CB4E2",
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-      "extended_signed_section_aes_key": "23AD2308015DDD96F456863AD25B7762"
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+      "extended_signed_metadata_key_hmac_key": "4BD37828726289D33D5ECE2591E5B4E20BF1230421EAD03528771838CC1D68D4",
+      "extended_signed_section_aes_key": "7575FB4A020565111E1F7C73658E05CF",
+      "extended_unsigned_metadata_key_hmac_key": "CEB0FA3E4B31FE4C10739CF8B6BBE1404136EDA42974B05C5DD85B9F937256A0",
+      "extended_unsigned_section_aes_key": "3668B15C4A1F703299C4C53EBAAFA340",
+      "extended_unsigned_section_mic_hmac_key": "69FB0E2475968BEFE683092DE33FBA104753DDDF2E9C8112F5FCCFB1DABFA3D5",
+      "key_seed": "F0F09974DC09EFB8DBFB12CA83BE644931649849022124734D838D7B4306CA64",
+      "legacy_ldt_key": "7419757ECE769CB9724FFC6C2A2233FC6A729FF9D0F24F38B03DD186F2D1DFC6BA8D55AECB606169B41EEE48FA7455B1D7B8104EC1F84A3D8B97334A6CBA0534",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3171",
-      "expanded_salt": "9767104D4E209B5C325D445C6B2DC88F"
+      "adv_salt": "CD30",
+      "expanded_salt": "8775977FB0778C71F15331150529A7CC"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AE59455269BF53901D2961511919",
-      "expanded_key": "FB9F86C348A989162BE1388C6FD04706"
-    },
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-      "derived_salt_no_section_no_de": "C681BD7A54DE3274C004071634E96346",
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-      "derived_salt_first_section_first_de": "D140F0AC25D5C733312C02029DFB4375",
-      "derived_salt_first_section_third_de": "B4558E618D621082884E14B89FD7B56D"
+      "expanded_key": "9448EB92D429AB17338E15CBE352546D",
+      "legacy_metadata_key": "47922B5FBA7309C67FAA99A91421"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C27D70DFB0A4939462817AD743D1B069",
+      "derived_salt_first_section_third_de": "509C80A3FA75AB433FE9A2C086723CE5",
+      "section_salt": "1490B6EAEC7565E3F6A39EF56F10B4CD"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "00636F47C550ADB509DD4FF42DE9EBE5"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A0AF",
-      "expanded_salt": "92272B5EA420AB9961BF282A0839B3B7"
+      "adv_salt": "E7C8",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1AC7F28AC3CB611522F4409B4BEA4B60",
-      "derived_salt_first_section_first_de": "1F6B08C38EF6B1E51CF085DDFC319207",
-      "derived_salt_first_section_third_de": "D6C0A91CABE1CE3E552AF51AA5DB51B7"
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+      "legacy_metadata_key": "0909F858D62631AA9078100D4196"
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   },
   {
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+      "derived_salt_first_section_no_de": "63C4064F42F2A7C5AE4F973C8C64F7D8",
+      "derived_salt_first_section_third_de": "E25FE020595CB71728A90C8BA0BE55C5",
+      "section_salt": "BD30359CF35EA9163B61FF78F4099135"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "AD3DB409C9064A1CC234CB846D7FC36E"
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+      "extended_unsigned_section_aes_key": "1C9CE12C8DA385E1F80D1556D900697E",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "ED0DF5CEE4C551E57C4C23DA67DFDEDC"
+      "adv_salt": "E237",
+      "expanded_salt": "4FDB790EA182A610CDC4353CDBC6F27F"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "F765021BC4ECE59CEB4D84C8D004EC56",
-      "derived_salt_first_section_first_de": "FA75A9B601DCCB33E247A51F8C89DB86",
-      "derived_salt_first_section_third_de": "86775ACF8CBAF1E97C2117D6F952069A"
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+      "legacy_metadata_key": "4C56A2F6A79A7F7A811DA8C9AA7E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A86543E810194552442EF03748D118AF",
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-      "extended_signed_section_aes_key": "1ADFC0A99A84BB2D3D1E40735D27951E"
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+      "extended_unsigned_section_mic_hmac_key": "238340E01CD42B5E48701B4750994F7F993F6935E5B6E8AA80CCC700B2E42042",
+      "key_seed": "F37BF4F90499B8EA25D21AE403C73CEAA6B238231FDCFBA352C07EFD582C1140",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8B6D",
-      "expanded_salt": "F207E5C03A68EDE3005DDD0C1CBD95B3"
+      "adv_salt": "9E14",
+      "expanded_salt": "85FEC46F10AD629956CF0D3CAB7844E4"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B42A23DF6E9B1E58EF309C31E082",
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-      "derived_salt_first_section_no_de": "A355E392EE399EBB0B0608DC6D8AE6ED",
-      "derived_salt_first_section_first_de": "D3083225B89972C1A977DE0E4C3AAB4D",
-      "derived_salt_first_section_third_de": "AE8B5E8E91B8A578130AF9030112519E"
+      "expanded_key": "8148CE0A5216AB8CA3959A61E342E4FD",
+      "legacy_metadata_key": "4B9F1E7AEB8A575670541A9D8842"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7C20877AFDE63C3FC8BA6484FDE63E45",
+      "derived_salt_first_section_third_de": "6DA63FE31F65BB7718EBD3D0D79BCCB5",
+      "section_salt": "7B32CF79F4DEADA391666C3B1B629F20"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0A0C81D435A7B014D4913DFA",
-      "extended_metadata_iv": "FF9CD62D3519E94D268C5B1B",
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-      "extended_unsigned_section_aes_key": "4C40F925485F6883A397C95A73621F0A",
-      "extended_unsigned_section_mic_hmac_key": "FC18651959344CCDB5A0206399984A647544475B5ABFBE52532D2662C264FB66",
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-      "extended_signed_section_aes_key": "8012BDF93E2A0AF8B9EF633F64A29697"
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+      "extended_unsigned_metadata_key_hmac_key": "3B922E57BADD2864AC91A614C6A81CD0BC01E4810A75C751D9823080CEBF7D11",
+      "extended_unsigned_section_aes_key": "45499A37693E3A4FD7B3E71A05A04ACF",
+      "extended_unsigned_section_mic_hmac_key": "07A5DA03347B2B1D2E80C5B209B92FC0D9FE356531D147CDD5823B3658805B5D",
+      "key_seed": "DDAF8ADB804B37DB34D3A573F430D19439C884BD4136FB4262773D20EE3F1386",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "635D",
-      "expanded_salt": "8B48D816C8A5EC527CF07C00B61B467F"
+      "adv_salt": "0EDD",
+      "expanded_salt": "BD3B95A0C971129ECF576C016175EF58"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "280AE59E5B5832BCEA3E5709F33E",
-      "expanded_key": "2FDF727FF97BDEF2A9DE87E0A2721210"
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-      "derived_salt_no_section_no_de": "88A4CDA9C66AD12DD2EF8CEA3AE14FE6",
-      "derived_salt_first_section_no_de": "48CD2EA5BD8354B1F055F402F0A76968",
-      "derived_salt_first_section_first_de": "4563B08F4DF8D6B4A41A3C3AD314DFE3",
-      "derived_salt_first_section_third_de": "0E91F2CA26EB4CAE131FD2147EA93EE0"
+      "expanded_key": "9FBF2DA9B9A2DFD4FF826C4FEA2DD641",
+      "legacy_metadata_key": "2B9F95D2F3365922068F3B518A23"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "DC5F3053EE80F5F7FAE25FE992BF49FE",
+      "derived_salt_first_section_no_de": "57B14724A14C941904CAD9E217D52E35",
+      "derived_salt_first_section_third_de": "FE05734E12DDC1692A5C3D7CEF599227",
+      "section_salt": "31E60D643752404411BFF7FA6A527E0E"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "3A2CAE080B8C3F33DF2D0C1B19F2C50C847766DF794AD53F028FD8126423821FDB14930939D0C715478E1B6B190472A7BB55329A8BED7D5D0FD61D27C7150DEC",
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-      "legacy_metadata_iv": "6F3951B3AF82484CA9EAD49C",
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-      "extended_unsigned_metadata_key_hmac_key": "89F4B11BC84BF35ADA729CA5A196FE9304770DDA897D00972B86E0C1E2478F1F",
-      "extended_unsigned_section_aes_key": "DC6DED2FEAA2084F319F29F7D8FAC1F1",
-      "extended_unsigned_section_mic_hmac_key": "28E5B5571D11EDA088CCACE8A34C9F6B306619DEF2EDC6C418781342AE777CE6",
-      "extended_signed_metadata_key_hmac_key": "155E48BFD5DF2F50817A95D3C37241DEBD70D8C2AE7358453A5A8C61444E7618",
-      "extended_signed_section_aes_key": "41193E495CAE701479AD1D35E5FA0C1B"
+      "extended_metadata_iv": "33D0E95E55AF4B7536755AC8",
+      "extended_signed_metadata_key_hmac_key": "4C62E52802F4BAA5F9DB22B6C069BEF705D09C8564341FF4627C00C554F20353",
+      "extended_signed_section_aes_key": "BE005965AB1602955DB11FD11EA2CE5F",
+      "extended_unsigned_metadata_key_hmac_key": "95102311146FE250CF352B016596A6FAB66747BE9BC257B9D529E2E775571E4C",
+      "extended_unsigned_section_aes_key": "781A8DAC90680E700737F627F6940FD5",
+      "extended_unsigned_section_mic_hmac_key": "0FE0B09453616963CBF463F518D8EFB5DE03CDC688E8B5D580D4E32AB6DF97C6",
+      "key_seed": "CB74B2A3C2FFF2145CFD242836A0CF3322FF6E853F0CE1602BD17B86ED23CCE4",
+      "legacy_ldt_key": "3DBA11F2E33C39F38739B630EEE447F12C39EF09A22167AD332C07BD89E7EF2B2ED62016D524ECC46BFACAEF833AC2C66CC523E097AC857B825AFC7C907A0BE9",
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+      "legacy_metadata_key_hmac_key": "EAB7C9F195666E11A981DCCEF979317F91A16C13DF3EAAA55A620E4F8EE81DE8"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AB32",
-      "expanded_salt": "7765AA5199285E0C727A607FC40BABBA"
+      "adv_salt": "1C45",
+      "expanded_salt": "4D365FFE545C9F9D919BBFC296B6B794"
     },
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-      "derived_salt_first_section_first_de": "FFA8C5D40BC6654D6F0078B618CFD785",
-      "derived_salt_first_section_third_de": "75A9A846F5781E7ABC287E7C427CB62A"
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+      "legacy_metadata_key": "A25DDD893A83A5629874C6D9D2E1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "15E41519C98015218FF0E0535D3A169B",
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+      "section_salt": "525E2C5402440261DD6B4B7F908ACBB7"
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-      "extended_signed_section_aes_key": "33A02F144E5C5464B13240D650D62ED7"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BF02",
-      "expanded_salt": "AE029F101BC858AF5C8C0F39291B0FFD"
+      "adv_salt": "F050",
+      "expanded_salt": "618DEA6C1D4B2C870ED3DE54ECC6F452"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "B0877A1ADE99629AEFFC74387270CF67"
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+      "legacy_metadata_key": "B917AA4248E7DDD47044C3F39CE8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D58FD083687F70E23017513D75A3D565",
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+      "section_salt": "D58CE1F8E9B11064762508490C9059A9"
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-      "extended_signed_section_aes_key": "A5E8F9286096993991B304BC41C86B10"
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+      "key_seed": "1C8A5FE5FDD00C5CBE31FC3D017336A358576552A7553C7AA6FF25E03A660825",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3FE7",
-      "expanded_salt": "55A89CCCAFFC87D6A1DC9BA24478E5F6"
+      "adv_salt": "AACC",
+      "expanded_salt": "D6BF825813FA8EAA3562F00053D28D69"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0B86606C10EA2B300955C5784C1F",
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-      "derived_salt_first_section_no_de": "15B3BA74280E3AED77530095F7D3F290",
-      "derived_salt_first_section_first_de": "D208C97D7E95835E416743350DF6842D",
-      "derived_salt_first_section_third_de": "4183E4AD89DEA4E4409BCB53CAE469F3"
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+      "legacy_metadata_key": "5E8339FF764F0C6ABD3DD6E792BF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "78DA079E8ACC7AB9C554A2BD5B2143EF",
+      "derived_salt_first_section_third_de": "3AF60D10827327C9C8835C09268E8159",
+      "section_salt": "2944F916E8357B4827FC5BA0D27C41D7"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E49AE038DFAE7582C4A18090B89F603E"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6797",
-      "expanded_salt": "0FC0DCF59AA712E612BE767F718D1047"
+      "adv_salt": "370E",
+      "expanded_salt": "13BFC3BB01FDE225AC6C072E2734ACE2"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1F39AA1C5DD589EA1C393DB22B5A",
-      "expanded_key": "348D0F529F262A48D988522F986706AD"
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-      "derived_salt_first_section_no_de": "7046DCAEFECEA25F53553AE2817C0186",
-      "derived_salt_first_section_first_de": "610A44E9BE3804E64C96826AB4BB2428",
-      "derived_salt_first_section_third_de": "04187384167BF0CAAD55FF33779272E2"
+      "expanded_key": "DCD7718598EC80C7D2BB94F331C6E249",
+      "legacy_metadata_key": "0817C33EE4238BDFC318C51F9A32"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6EBCC1B24CA108DABB7F738E10143AB0",
+      "derived_salt_first_section_third_de": "8342F7738E2E698122C28912DB235F9E",
+      "section_salt": "8327E03436EB693B5F3974A2DCFA7335"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AFA24F3660361EDF9BB4A99D",
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-      "extended_signed_section_aes_key": "FA8B1F04D0B55A4AD4D079328FD8F347"
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+      "extended_unsigned_section_aes_key": "1296681B7A6472F7EC23D70E455CE8CB",
+      "extended_unsigned_section_mic_hmac_key": "0A942DD887AD6B92813031BEBF9928C1A518CC7A9592EA3D139707BA5AB79350",
+      "key_seed": "CD2F38AA34610E8D97F8CEAD21F4042B6A2C222C53CBF9D9A5C4B650A21D816D",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A866",
-      "expanded_salt": "0283572F1904B838BFC61DBBBF8B1418"
+      "adv_salt": "F352",
+      "expanded_salt": "744E53ECA41158F698BB6DA7D5734B54"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "11346662FDC9704A3C205BF314A1",
-      "expanded_key": "CBE131808CF73A30DC1502E169AD94CF"
-    },
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-      "derived_salt_first_section_no_de": "E462A9B8B4BE89C0C10285E4C618E787",
-      "derived_salt_first_section_first_de": "504951FE74811342F752B7F328EB5BB1",
-      "derived_salt_first_section_third_de": "80DB3BF3A0C8056AFBD97C6DF2B53C38"
+      "expanded_key": "2A33712F417FC595323A2553AEAF3A0E",
+      "legacy_metadata_key": "8C3834ECD4B80B62C73DD5FAE5D7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "0046F9D681D2C4E0C72498A8FBAAD1C2",
+      "derived_salt_first_section_no_de": "EF72B0168BA6D97CA213B893275C99C5",
+      "derived_salt_first_section_third_de": "585F8678116A46D580709F983F09AE16",
+      "section_salt": "DC9C407629A69E06D2A34535529AE1EC"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "84CFB22A6880A9ED7D4F7A5AB6E0697EDF4C45FDCACD21DC14A1B2FBA385AA5BF60F7124A0089DE41651E9FD61F69A8997A5C016D7E16D992E2A58D8D5A5F590",
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-      "legacy_metadata_iv": "75E39ADCC1AC3A9A84FEF591",
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-      "extended_unsigned_section_aes_key": "E851A11179E1863ED7393CF40508C696",
-      "extended_unsigned_section_mic_hmac_key": "C68434EDB0F479969627D81DCE42BC3F6156E6AF56108469D9D69A1941C47C72",
-      "extended_signed_metadata_key_hmac_key": "235289FD6D497B359933CD5DFDA15F541F0A65660C113A746A977BF57CF4507C",
-      "extended_signed_section_aes_key": "B24E60D0A37A80640332E4981ACB672C"
+      "extended_metadata_iv": "DCB6C1C28098FBCC96E9044D",
+      "extended_signed_metadata_key_hmac_key": "595C48BA7B3E4B0B7CC830C94E6DD50DA80A561D78DB2C4045A721809FDE8C9E",
+      "extended_signed_section_aes_key": "A0088607B518393A0FC1D3A8DD91070A",
+      "extended_unsigned_metadata_key_hmac_key": "60BD2EE4867878A4A1B56EC02A01BB527B79D6F577310A198ABFDB75C159F062",
+      "extended_unsigned_section_aes_key": "D1C7FD9C2063E83E91CCC1710F42D3E9",
+      "extended_unsigned_section_mic_hmac_key": "F6186E034FCD17F33A6CC50268D53668E13CA5FCD76D1E0A1E4B3A5F3553D260",
+      "key_seed": "2DB67C55EECB799A8D4C9CCE270CF1366F646F267125081F5A22A2BB49B1528D",
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-      "expanded_salt": "A12A6F0276D315C22978DA6702B56AEF"
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-      "derived_salt_first_section_third_de": "035FDDBC5D851F75B08E20E56C1AFC4D"
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+      "legacy_metadata_key": "C7A75FE4B4DEF8B5C963DD709AF4"
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+      "derived_salt_first_section_no_de": "A09B352525700735A65E555FF2687F4B",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E15F856D4E052D2AFB0CF73792D95AD7"
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-      "derived_salt_first_section_third_de": "6C0E302EE4C5576FF3438F69D425EF51"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DBE13A05FD2524EF5C479DC792134882"
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-      "derived_salt_first_section_third_de": "B2D2515C083FFE9E0A4F0406F560C66E"
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   {
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-      "extended_signed_section_aes_key": "ECB9C771844D6E91C09090394E06626C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "927C929170C35EDC81E767B06D3EF3B1"
+      "adv_salt": "D892",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7EB688B049CF4C665A3D62CD378491C0"
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+      "legacy_metadata_key": "08BBAEDF8F7A53266346F9F55430"
     }
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   {
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+      "derived_salt_first_section_no_de": "6B242A4C0810D8DC49AC1F18B2B0A49B",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "CAD91CB871DE132FC49BE280BE89139B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0BA4",
-      "expanded_salt": "B37D6A856D85E94720564283007F11A2"
+      "adv_salt": "DBA8",
+      "expanded_salt": "367EC5053CE4B8FEE0F59CB9DABB0CA0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "0952D316B24F11C82F82E8AAC12762CD",
-      "derived_salt_first_section_first_de": "97AF817013D50149D53B328E84FAA1D2",
-      "derived_salt_first_section_third_de": "6CB935FED35616763254F7C546443B9F"
+      "expanded_key": "175A11E34702B89D4BF116BC7AE3FD13",
+      "legacy_metadata_key": "58D40B57CAE5C2DC638B23837DA1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5B5D858D853213A322A9E2E3C96D2F75",
+      "derived_salt_first_section_third_de": "358791695064C74769EECFB418024DE8",
+      "section_salt": "AE607DDCAC1B1022D8A54EC726D00A9B"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C012072D134DCAE54F62BFD3",
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-      "extended_unsigned_section_mic_hmac_key": "A9D03A92E3A3399DAC568E46D58D0A72293B7AAB858AA5C015E3A894AE51CABF",
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-      "extended_signed_section_aes_key": "887BE53EEDC3CAA7F59BCEAB9613075D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "45856EA27DBF8EDCB55AA0C3B81ED005"
+      "adv_salt": "AFE5",
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-      "derived_salt_first_section_third_de": "751A297FC45C9863A9EE1ECFF7E85C6C"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "60AC40EDEAEAA4CD027A12A978DC6B1F"
+      "adv_salt": "6ECA",
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-      "derived_salt_first_section_third_de": "7C07A23E162910DA83A81FD9AE552510"
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+      "legacy_metadata_key": "3B68190AE0170F6C0442EA980E7F"
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   {
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+      "derived_salt_first_section_no_de": "598C252FF95D2344A28D21208EC2E52C",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DA84",
-      "expanded_salt": "38A2E693EF52C1DE92590AD8C58D6C55"
+      "adv_salt": "DFCC",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "96D295AFCC4826B48E21E5B25ADD3FB6"
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+      "legacy_metadata_key": "FB5CB50F3B379F129538BE1B1699"
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   },
   {
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+      "derived_salt_first_section_no_de": "E94377E1E414AAA56E648F955B4DD0B4",
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+      "section_salt": "AE28D042E571B44485432A3ED1F7633D"
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-      "extended_signed_section_aes_key": "8720F608F9C74D24DA923E47163456BC"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "72DC",
-      "expanded_salt": "55B6C2669C6DE75F4A481ACEE119AF5C"
+      "adv_salt": "3B7A",
+      "expanded_salt": "A7FA38FAAF5E85DB0D94FBA356F3FC68"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A83C55F9D6622C346E23336898E90843",
-      "derived_salt_first_section_first_de": "DF31A03A20A1DC83D6504E1E1B12B92D",
-      "derived_salt_first_section_third_de": "2D5E19ADF0094F6B995C8BAFE35F8905"
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+      "legacy_metadata_key": "A520757210D37C80B0945C2B0C0B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3AD342EF48910761F4FBC9A52CA1ED54",
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+      "section_salt": "D0CC9CCC87BC620662933801B9D390A7"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FBC7B9F82797398F1517EF9C13E9B01A"
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+      "extended_unsigned_section_aes_key": "F31151EF5D64A0BA86CBD079679A863E",
+      "extended_unsigned_section_mic_hmac_key": "7BE055E054A6ECA4E5835E56E71867D3DB024D7A6CD10F104070B9A5B4841BAA",
+      "key_seed": "7B6F73E3D51892046644048D2B13C2FE18DC49C7EEC994039BEE37045D85C053",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2486",
-      "expanded_salt": "D401F81E685D93CC21D4D06E43EC3C9A"
+      "adv_salt": "6D22",
+      "expanded_salt": "BD0DC1D4752CD3441463C53DE050D474"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D4C6FA47524FD3231A3E39652418D502"
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-      "derived_salt_no_section_no_de": "AF9F58387220443CDEBF471D5B1C7791",
-      "derived_salt_first_section_no_de": "8731A5C7A7554A42A5EF027B149BD22D",
-      "derived_salt_first_section_first_de": "2A2E86E12C25436B0EFC46ED46B1E673",
-      "derived_salt_first_section_third_de": "7473C693DB2E320A4C33840D735AF48B"
+      "expanded_key": "2324ED48DBDB3F9A683E29E63C6867B8",
+      "legacy_metadata_key": "5C81D8A3C614E2776B4B398C1971"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "05B3BE54B7D178914960477C98F75D95",
+      "derived_salt_first_section_no_de": "5522E7DCD74BC4A819F69F18A3475654",
+      "derived_salt_first_section_third_de": "97E053BAAAC0EC29218F017A4BECC391",
+      "section_salt": "1BAD90FE90CBDADF8212A5CAF141D804"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CAFD31A426E82FF10D0690A5",
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-      "extended_unsigned_section_aes_key": "492797286789832520A479B9986FEA09",
-      "extended_unsigned_section_mic_hmac_key": "0195BCDC02643D77D71C23C2E6071185436CA5077BE62DB3FB44C4A9DC5DB8D2",
-      "extended_signed_metadata_key_hmac_key": "06E9D517241C0BEB3542F57F3A2BC8D1DB68B28A48755A294F0A614FF24CEC59",
-      "extended_signed_section_aes_key": "CAA11485FE571EB06C438573869D8CE2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4049C7E8865A13965EBA14D658B18E13"
+      "adv_salt": "C021",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "986AD38595E4280D7D1467D2CCA89E92",
-      "derived_salt_first_section_third_de": "307CEA9C5F0B50DE419A5B246E8C1FF2"
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+      "legacy_metadata_key": "4829D4F6BEE24828C6C5C9610E8E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "308C930D1664408AE74FEB8A067AA166",
+      "derived_salt_first_section_third_de": "B64FE6BD337142ED951C8654067B6A53",
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-      "extended_signed_section_aes_key": "F52788CE7F0CB7A1357F3C934635CDE5"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "34EC",
-      "expanded_salt": "4A854CCA15511CFBC1C40A23956F2846"
+      "adv_salt": "ECA9",
+      "expanded_salt": "8A04EB0887F7FE0FBE9115686F5A07C9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "1CAF42B6BC10DB695D78C86BC565BA00"
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+      "legacy_metadata_key": "71FDA74DA0F6EE81E5174709914C"
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   },
   {
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+      "derived_salt_first_section_no_de": "8FCB363167C2BDABEF19D838BCA5FA5C",
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-      "extended_signed_section_aes_key": "6B3000117F84F15F2F491F0DA00452D6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0FA4B5E65E5C4411288D0782B90339C5"
+      "adv_salt": "3556",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "3D730585BAE5BA9382AA21924C36D38E"
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+      "legacy_metadata_key": "73A4262FB214244BEB150909995D"
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   },
   {
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+      "section_salt": "3CCFF6AE3CC550671F2583A7FB0CC5DE"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3DBA4F1381B78734C58835DE8E31AF40"
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+      "key_seed": "4A665222475E28FB85592F469A568FF70D99D8ADD39C2257E4751C1934BC7143",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "20D4",
-      "expanded_salt": "3FF22E0BF99A9F6FA12BA43E55742FF3"
+      "adv_salt": "C843",
+      "expanded_salt": "71F89E611A931E2410404AB7CE60DB46"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "203233565B69C4BD9879FC33F1F387A5",
-      "derived_salt_first_section_first_de": "096DA8E779CFA2F26D65C9E28AAC9240",
-      "derived_salt_first_section_third_de": "1F30E69751B77E563EE94C5F038F24A5"
+      "expanded_key": "F21780E535A36AF242B3EBE4BCAC2AF1",
+      "legacy_metadata_key": "2707ED14993951D64405D839DFD0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D83D0A555E42106464509E3219E6EB15",
+      "derived_salt_first_section_third_de": "34809CA554A90A333F104136FC2F55F8",
+      "section_salt": "601FB0D36A90990BF4E77212FD72FA62"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "DEBED50F87B71A5DCDC8BB47",
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-      "extended_signed_section_aes_key": "F95CD7888A8E2491D6884860EE79717A"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1E3A",
-      "expanded_salt": "81D7CBE3E6598C0FDBB08FD6B719C57B"
+      "adv_salt": "DD66",
+      "expanded_salt": "58AFF8E8B82D2D75673632C8EAB4A1D5"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D4F96F0B988ABDE3A571C0B11B3C5D9E"
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-      "derived_salt_no_section_no_de": "EDB391F270D0275F0234BBCB06AF5D47",
-      "derived_salt_first_section_no_de": "999D47EADBB0125DFE9E230FC0EFBD09",
-      "derived_salt_first_section_first_de": "E4CFFDA26F5FD5D950E90E27335D6607",
-      "derived_salt_first_section_third_de": "12DC02256202A84156022949FC2AF3E8"
+      "expanded_key": "D2239B190CAB2DD1AC660EFD7BC26760",
+      "legacy_metadata_key": "FEAC5CF92D6E93FB01D0E7BCB418"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "A7101DA98741CF5102844ABC0EFA06C8",
+      "derived_salt_first_section_no_de": "E7B55B0BA989B014C362246CB5FDF318",
+      "derived_salt_first_section_third_de": "CAEF69DCF18471B2F938AE8CC2803C6C",
+      "section_salt": "6E8C5743215F4CB73A58BB73D16EB21B"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D1BB5470A5FF62126C50A41A",
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-      "extended_signed_section_aes_key": "411A0D2EC43360C31F733E31056B152C"
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+      "extended_signed_metadata_key_hmac_key": "1132A157376A0F945A45BD16CE869F2580F113F6BAA1C693E99F55F932C47C3C",
+      "extended_signed_section_aes_key": "69F206A808B858F190795848FE83C1B8",
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+      "extended_unsigned_section_aes_key": "8E168A2FD05A5F982E5DF34E424AD05A",
+      "extended_unsigned_section_mic_hmac_key": "9D1E1DE853FDACFC2F28B15625AF8E71DAFA9C53593ED8A7F05FE7A902316CC9",
+      "key_seed": "9E7DD8A555DAFB73F0CC9FCEF04E44BCB3A584F78BEA24E36E4FB58C5CA93715",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B275",
-      "expanded_salt": "FE71D724E0714772EB1FBE30C09B89E2"
+      "adv_salt": "903F",
+      "expanded_salt": "8EF3278DAD107969A896480077A9CE78"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4EF103F2025071FE95E4899D386A",
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-      "derived_salt_first_section_no_de": "E26E967D09D9400A3D9D1E8D33942535",
-      "derived_salt_first_section_first_de": "035A22E638C9BBD2C4F93A9D8E3FECB0",
-      "derived_salt_first_section_third_de": "58CA1422A97F9F479EE1FBB96C729F77"
+      "expanded_key": "07A2946BB76BA1B642EB9E80397359B8",
+      "legacy_metadata_key": "C437D51384FAAADC10A45852EE15"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "980B95751858A73B1FFF7A6A87621E44",
+      "derived_salt_first_section_third_de": "3B7F52D0034D6497D33DCC76D1EA3E20",
+      "section_salt": "E5ABA97A52173EB2179C67BFC2D47F0D"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0783BA04A63C1B977245E3D7",
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-      "extended_signed_section_aes_key": "1D412DC3125690819C9AFE7F34F75571"
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+      "extended_signed_section_aes_key": "2F8BCFB7D46046DF703ECFE7CDFD3E78",
+      "extended_unsigned_metadata_key_hmac_key": "E080C8FE7121A385FCB737F703D1A36F39F94ED79D8C305B754805F1C8181189",
+      "extended_unsigned_section_aes_key": "8EB703B9626DB3A0889F04326040036F",
+      "extended_unsigned_section_mic_hmac_key": "1CB0514E607AD0965B2D5B3888FCBCE5CFE04A784414255C26853898408161E3",
+      "key_seed": "316C8B2339745C2B5ECC220442255C99ADF1BBF614F2149420F7B9D4AD41FCC3",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5892",
-      "expanded_salt": "66407753A602CF6C1469DA804FA98C4C"
+      "adv_salt": "B4EE",
+      "expanded_salt": "79905900B27687220D7886C174B618F9"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EFEB8A6F015EA991FAFECC446DC2",
-      "expanded_key": "8E1C24DFD3965FCC98346807AF32EF03"
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-      "derived_salt_first_section_no_de": "ABCB2F92F9005414DB2574A571C50CB8",
-      "derived_salt_first_section_first_de": "338CE4836C52E61C4616FECBB4D32483",
-      "derived_salt_first_section_third_de": "824AAC758A6D9BA593E31EC73BBEB7B1"
+      "expanded_key": "57D8335801763E1A7376D05A21612B70",
+      "legacy_metadata_key": "8DC0737E8ADC3D8F5210D2704F90"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8C9911A99B28A666F58862975B533D60",
+      "derived_salt_first_section_third_de": "BE562B916DD2F2DFC960180DC2B0EE26",
+      "section_salt": "C1A0AEFC1EDCB12861A34BD36735AD69"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "61166E82C630F03B5C94D177",
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-      "extended_unsigned_section_aes_key": "A7BBA222CC2F35CB7B8977D88A068085",
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-      "extended_signed_section_aes_key": "0505583FEAFDB660D8745F7419A4694E"
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+      "extended_signed_metadata_key_hmac_key": "4C8309C5DE68A5772825B8F667AC051CA7940EB76F671137D0502B48B4D521EF",
+      "extended_signed_section_aes_key": "A19AD9F34BDBCA6010DDDD931B4E3394",
+      "extended_unsigned_metadata_key_hmac_key": "7248F0A3C23920B5269ED55C4612A26C618E66EC0D7FDDA969285442BF1792D8",
+      "extended_unsigned_section_aes_key": "33319EB91FBE406FADB18F46C53C0C33",
+      "extended_unsigned_section_mic_hmac_key": "7780632B28105447783C7A797A86F3FB5073B481DBDD474B80058F8DC8315978",
+      "key_seed": "AEB57961955F0F9CF699F6D9B9CE8DAD1CD8AFBFACF136A00CA58FDDCF3013CB",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C2F2",
-      "expanded_salt": "1414A9151F647A657145123BA01A1FF1"
+      "adv_salt": "B9D4",
+      "expanded_salt": "3E2E83E28B5E502F9FFB39BEDCB6B2EB"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "AB289801312C056BA5EA704F4A621591"
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-      "derived_salt_first_section_no_de": "E18D1B7F19543633643E6108EED15FD6",
-      "derived_salt_first_section_first_de": "3FCD33B36E76CC1440F5D2CC6E5C9454",
-      "derived_salt_first_section_third_de": "8DB2C28E363A2FE260DC4ECE81564E81"
+      "expanded_key": "3FDE1E98B2BDECB6D1EF6EE58628D066",
+      "legacy_metadata_key": "798EEF8843EB28426B59ACD890FF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A4D93B3FBDB681AF31058E506D3595C0",
+      "derived_salt_first_section_third_de": "882AEA590B25F15E715767E0683A3C4A",
+      "section_salt": "6074EB15501A362969EF09DCAAB7DEA2"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2AE5258CCAA76AC0CC5ECF21",
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-      "extended_unsigned_metadata_key_hmac_key": "24D4760A55D4AA73AD2F4E1F6D91430B5F78A1B747092C0DE547E97D8F38633D",
-      "extended_unsigned_section_aes_key": "04E5232053539A4BCEAD8EC7F0021349",
-      "extended_unsigned_section_mic_hmac_key": "26344AC4BF2AD232BBC657E2B4AB989FE6EF24F7803C7528233A84C47FEEBBF0",
-      "extended_signed_metadata_key_hmac_key": "C15864627BEBF833961C1EC4664B86E3796A8F8791413EE70E71025119E6A4F3",
-      "extended_signed_section_aes_key": "8FE65830432847E8ED568013DBB0B4C0"
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+      "extended_signed_metadata_key_hmac_key": "32FEF10EFAB6E92E0956CAA685689178A6B90FCC479F498A881FD94E6577809C",
+      "extended_signed_section_aes_key": "0DC96E67170B64808D145E161552EF13",
+      "extended_unsigned_metadata_key_hmac_key": "0FDA5BE22B242EDCD099AE9B5038D01D1A402F49094DCD45EF67C6D1F7134CA3",
+      "extended_unsigned_section_aes_key": "2C052FB70E353B8A36F73C2ADBC550A5",
+      "extended_unsigned_section_mic_hmac_key": "1ACEFDD9D53F76A42D12220A3F05C67E9D88E91780A440BBCB43BC56AC9B098C",
+      "key_seed": "90724B8AED3C3937B2C630C2DE66E4ECB4D00C034ACF7A42298541B7F05A8B5C",
+      "legacy_ldt_key": "093BB164669DE86A1A4D6492188224DE2FF16D5A7E90A04D45B892A85C7391A6AF14E377FFFF6D033E78D7560948833938D4DEAA6D0B5B19D79A200BEA9A81AA",
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+      "legacy_metadata_key_hmac_key": "7A2EA518FF80B0675F7E15010751869FD642F80F0D08FFE87917426C9851BBBC"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6C66",
-      "expanded_salt": "42EAB96B2E1206E16207E61774AED0E4"
+      "adv_salt": "12F2",
+      "expanded_salt": "7B76BE0F03DA9B341D97B18587AE6CD3"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "DDEBCEBB64FFC2F408055A96AEF5",
-      "expanded_key": "22CD4C3E3D99D3A8D4BD899DE0C6BBD2"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "9A403CB61F21A74EC4BF3E5398FA489F",
-      "derived_salt_first_section_no_de": "1D50DABCDE544E175BA05136164C1D30",
-      "derived_salt_first_section_first_de": "83DDE7EC5737711212AEC661DEE90344",
-      "derived_salt_first_section_third_de": "386EC3613207FBE331D0BD0CDD46D5DD"
+      "expanded_key": "F6F797B5944F1263368ACDEEF2BE4F7C",
+      "legacy_metadata_key": "620EB9654B797E2B639C231BE6E3"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4D5FB77981BC3FCCFE992C4FA97C0534",
+      "derived_salt_first_section_no_de": "42F21E191E52D90A9538515D5E52CB09",
+      "derived_salt_first_section_third_de": "6446B7929CBDC13D9EF2FE4110B9695A",
+      "section_salt": "56AAC5AB36FB42D712FFE1749F6B2DEE"
+    },
     "key_seed_hkdf": {
-      "key_seed": "3D97A31A73BF8E2638C7291FF3B2574CE4021A152E65836E06C1D5F754F7F499",
-      "legacy_ldt_key": "0CB21734EB70DDC129BE6E4D2105EE03D901D60A7428DBB0B71F4DAE4B39ED4AE6C746481C208F0C81F22652C92F1250A9379C53EC5BAFC71C3142409C95C991",
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-      "legacy_metadata_iv": "64A8E2B84332798DD5DCDB1F",
-      "extended_metadata_iv": "B476EB6F0CFF5860B7C73179",
-      "extended_unsigned_metadata_key_hmac_key": "8477E55F9A4BBECC3E1539B6A218BD02C2FD745EF03AE204F70BD2602D297095",
-      "extended_unsigned_section_aes_key": "CCA2B5F5D3C18E4AE37EE453E4660DDA",
-      "extended_unsigned_section_mic_hmac_key": "CED97112D0D822FE1EC9ED68C6B90273D5CE031CEF0C3144A9E736976BE64838",
-      "extended_signed_metadata_key_hmac_key": "30932400FA5D0F501DD0E3F927E3DC60DDBF0EE07BCB547FEF2A41DF95FCEC82",
-      "extended_signed_section_aes_key": "ACCEB8408B46E9010EB9D873CB403A48"
+      "extended_metadata_iv": "FE47AF4A4364BC74550B43E1",
+      "extended_signed_metadata_key_hmac_key": "383EA91C1FFB55FD1C159AAC99FF6F2841C9BDFCAD3289F5C9D7D253C6C53121",
+      "extended_signed_section_aes_key": "FFCDB45BE8ADBB0761C71D4C5CCBC5E9",
+      "extended_unsigned_metadata_key_hmac_key": "729D30BA4B3286CD0180070E4F57A6982EB4803B6FE3F156D4A795463376D936",
+      "extended_unsigned_section_aes_key": "9AADC424C8A24DF35167CB4AC73CFAD3",
+      "extended_unsigned_section_mic_hmac_key": "C279F771661ECB69780124DF2F0F8DDC29C054714AD16E590E1CE38EFF9B728B",
+      "key_seed": "2190F3F4461DECB74FFF4FCD788AB10BCB9B0008672AEBCAB702B6867F00C5DF",
+      "legacy_ldt_key": "48F701F9EF307DF8233BF8EA224943FC3DA915E718F5DED64D5755DB107119DCBA576CECB37FED918879A6382D5AAC0AE18172C8DAD75A2E9F4C94F57F8614B9",
+      "legacy_metadata_iv": "F358CF5323CCB22C2D840F4B",
+      "legacy_metadata_key_hmac_key": "D8F4936B8E50DC8B01E2D0CFEEE3BB3B377E24A9CACAB4BE982989A5AACFC200"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9EEF",
-      "expanded_salt": "1A5B4D39129845514326CC8BCDB72C88"
+      "adv_salt": "BFD0",
+      "expanded_salt": "C674792A365818F44C58D055BDFD093F"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "81B7731BEC0670F154E14BAED5B4",
-      "expanded_key": "1EB8ED217D063D18AA22844ED58DB003"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "68019210C10B798AB42C1DDC4652DDBD",
-      "derived_salt_no_section_no_de": "7D8BE7408D5DD9F4EE9CF0DEC7D942E9",
-      "derived_salt_first_section_no_de": "BE40D2B9828F3933151A80D6A6635F43",
-      "derived_salt_first_section_first_de": "4D588C0F3DF4AA42BE90826A90AAFB99",
-      "derived_salt_first_section_third_de": "097F7FD89AD8EDBF42A99409536DE7DC"
+      "expanded_key": "D656BE01917A87B25D934CD98420112B",
+      "legacy_metadata_key": "976889EC3F55D7B48E0A7EB11D7D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "AE71544AB6CDC48D05AA4163231B1DAC",
+      "derived_salt_first_section_no_de": "152CF257A3E41D7E2DE515F07F7E75B1",
+      "derived_salt_first_section_third_de": "7B0DBA8946ED6757F5DDACDE2CC802A1",
+      "section_salt": "AC1A69C39970E9603E7ABA5CEBF22A3B"
+    },
     "key_seed_hkdf": {
-      "key_seed": "B45140835762722BFAD7938201C71D46C91FF977A1F04841E3D2BD5E5150690E",
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-      "derived_salt_first_section_third_de": "A0DE933C9A535EB4545BB8D1A064C508"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9F0580315E8CB33EAD51145A56CF8381"
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-      "derived_salt_first_section_third_de": "8A2E66875AABE22DFDF22B33ED95001C"
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+      "legacy_metadata_key": "CCC904F21ED040D104B2C9B6030E"
     }
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   {
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+      "derived_salt_first_section_no_de": "DE0DCDF963D7DCA28ACF8C2439A92A96",
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-      "extended_signed_section_aes_key": "A4EB2E0DDD788B7FA571CD80A6A30670"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5B47EFE27A339BF90AC94B0A72F0F757"
+      "adv_salt": "5260",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AEC7A6EF898CFE2C32738E585515BEB4",
-      "derived_salt_first_section_first_de": "3A158403808D688FED0FE087EE1E0397",
-      "derived_salt_first_section_third_de": "E361F43EF17875750C7A6EB6B8B1FA7C"
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+      "legacy_metadata_key": "F01FF46E82D82D4A15F7C52AD13B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "E455AAF98D4E5C5B8D11B034CBDACF01"
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+      "legacy_metadata_key": "DCB93FCB3E7AEAB99023E63F8EC5"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "44D2C27D2E27F5491E23D94DB27C7433"
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+      "legacy_metadata_key": "785F6CA424102943A9E4B1691C8D"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7AD909C611B8BAFD517C8CB10810FB57"
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-      "derived_salt_first_section_third_de": "B2CC253215F553DBEDA071DEB623CCF4"
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+      "legacy_metadata_key": "7AF0D777896F9A9ED48399C63AEE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0CC9F431621114F4BC1E16BBBBA2262C",
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-      "extended_signed_section_aes_key": "3AFC916BCE0B13EC571FA12CE5E00847"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6CC9",
-      "expanded_salt": "19DEE33039F857233784EE652B5E050C"
+      "adv_salt": "B835",
+      "expanded_salt": "2704FE4D77DC45EEDA07E580FC31F27C"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "19816EB156616C084B17712E2F764EE5",
-      "derived_salt_first_section_first_de": "B7C43BC8862E85E98FF2E63240FE638F",
-      "derived_salt_first_section_third_de": "BE33B26ABDBE32B739FB15730102EA27"
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+      "legacy_metadata_key": "2D4D7D34667E8D70ACC5495961FE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "EF5E1E95458894D8A2B23EB5FB0AC65A",
+      "derived_salt_first_section_third_de": "17CCA451AAEACB3192C207E47BD7D50C",
+      "section_salt": "22AA1B1D8CDB2CD835AE57FCC3561B56"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "155F7699CBA2F062D4642096",
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-      "extended_signed_section_aes_key": "42940BD87BC89A6E37F40B917A55A42A"
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+      "extended_signed_metadata_key_hmac_key": "E18CF0352076D1124904D0A772E145EA6B39707B5DF0CBEC027CA0CD3A36D632",
+      "extended_signed_section_aes_key": "40F3F812D9791EA1C9043D31C37F01C0",
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+      "extended_unsigned_section_aes_key": "5F4D3F7C18E68280E67310D902ED9CA6",
+      "extended_unsigned_section_mic_hmac_key": "BB03F74C144AE6871FCAE369D623AAC81F36D7B99BDEFE28C6AEF3A1729D57A5",
+      "key_seed": "5AFA5C49CF5F6368091EF538D05A1FC9911DF0F4F2481B26CE192486298BD61D",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "882A",
-      "expanded_salt": "EEBD52311ED77556B72102B1CCB48AA6"
+      "adv_salt": "6081",
+      "expanded_salt": "B3C246058D4DEB5B96CD90C273847624"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1F88725D48335853263AAE13F107",
-      "expanded_key": "38B6A1AA214008D24260BBAD03589DAE"
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-      "derived_salt_no_section_no_de": "276D00367F6E6476D2230ADF1A76CA49",
-      "derived_salt_first_section_no_de": "3177E2335602D00426049AFA9251A97C",
-      "derived_salt_first_section_first_de": "22B5A00A3C325E8CB5EA5529BB5AB184",
-      "derived_salt_first_section_third_de": "85499F7F987F9475AE6D5835B6E25417"
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+      "legacy_metadata_key": "5DBB0C15DF02271384FC4E293EC7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6CDDD2AEBADED9FC476FD7BC9D39D400",
+      "derived_salt_first_section_third_de": "5E95AE76C779BDD64FE97F7338D1D2E8",
+      "section_salt": "A998C2B3BD435E9F9DEFDE792F2AE946"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "6FB16CD69C95FF23DFB2E689",
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-      "extended_signed_section_aes_key": "779D5E088DFD51034020AD02D9C443BB"
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+      "extended_unsigned_section_aes_key": "8A09F76247126CEEB881F8B53BC6AF8C",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9E8A02403A17529301106F160FA5B555"
+      "adv_salt": "AB94",
+      "expanded_salt": "3247E0482538060CC625C2865D118C34"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "A0030E3DBB7CE066EBFBB87DA7F30A2E"
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-      "derived_salt_first_section_no_de": "B60396BB03E230BAE17669EF680B4AA3",
-      "derived_salt_first_section_first_de": "FF654F1EFBDC1BF5501D777EBD3101BC",
-      "derived_salt_first_section_third_de": "DB354942BF9430E97118E57A6D66FFB8"
+      "expanded_key": "A6F66F712654EE345BCE11B7E78DFF54",
+      "legacy_metadata_key": "563F76E6FC69E05812AA0C3ED031"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BDDF455FB132C86C7F3F8B4FA160451D",
+      "derived_salt_first_section_third_de": "BA3638172F84AF02918B2D10D6C50316",
+      "section_salt": "E10EE7853F1F7DF51447DAF39656B719"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F4BC1E06ACB61D0C8A6D2E47F8ECADBF"
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+      "extended_signed_section_aes_key": "5E8B49B788B64F71CC0A2A53ADFF9514",
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+      "extended_unsigned_section_aes_key": "776401EF3D196150CB58AAAE33BD6B3E",
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+      "key_seed": "A74AEA51508F215672887DF8D038A299D30FF2AF2B12B706909FB27A4EBF7F59",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "09D9",
-      "expanded_salt": "F58627676B0990C9B69A77FDA55A4BD6"
+      "adv_salt": "87F9",
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "14E563FB24AD1A9FDF533ADBEB31",
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-      "derived_salt_first_section_no_de": "199F39D90D58CA3FFEC0B9146B4C18F9",
-      "derived_salt_first_section_first_de": "8471E2FF3C5BB28B587B0090C6933070",
-      "derived_salt_first_section_third_de": "E8E0394D079E92C20F58332600ABB2E3"
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+      "legacy_metadata_key": "E80AB21CCF825EA7E33A6C7C8691"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8FD6FE4BEA6198B8F8405736392A38F4",
+      "derived_salt_first_section_third_de": "5BEE9610C7B058D8A738E1E580B55F13",
+      "section_salt": "A19C99B0E54DD052A3970E55C34EFF65"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "86D4616F9EFE7922F66159FA7E865D5D"
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+      "extended_unsigned_metadata_key_hmac_key": "B9AC0E8BBB3A3D9BD1D0B98BB7080BD7EE95471079F77CC4B45486B411BE480A",
+      "extended_unsigned_section_aes_key": "1A3FEBC50D78CD693F72E85DDAFF1AED",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "832D",
-      "expanded_salt": "1B976B51EA74C0336CCA414494FC3437"
+      "adv_salt": "A1AF",
+      "expanded_salt": "7E9B0239D51F1EA6DCE754F8ED1D8632"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E7BAEBB47560433CE25F356648BA",
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-      "derived_salt_first_section_no_de": "42DE80F354EBDC37390512D303F20A34",
-      "derived_salt_first_section_first_de": "8B9664E108E763A082D7BB0B60745F5F",
-      "derived_salt_first_section_third_de": "AF3E68C0E801FA061E3558F75BC73DD5"
+      "expanded_key": "01D6539A60D49BBA53F46C4F9298A8EF",
+      "legacy_metadata_key": "EC82EC65D0CD7FD4EB772D2C0B6B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "C94BF7D09360AE131AE00537A1961E32",
+      "derived_salt_first_section_no_de": "00FC16D04D5C08B45A6C15CDCA0FF27C",
+      "derived_salt_first_section_third_de": "5C071D09AD8DC542055FA8718F39DFBE",
+      "section_salt": "5AD7CC1470B3E9103062005B7CAD9E3D"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "DA637FF0AFDF4DB043197F21",
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-      "extended_unsigned_section_aes_key": "04856A4B4D6134709D5ED8F6E74994A8",
-      "extended_unsigned_section_mic_hmac_key": "A594B14BAFBA1E5DADC136375CCF57EEA21E0ED4C61C7A6AED1AE5EA2B896C1F",
-      "extended_signed_metadata_key_hmac_key": "DC419D44760F1FA4382C6A90410CC69B61491B53C016861997E57A20F0314D88",
-      "extended_signed_section_aes_key": "D16D3CA9B193AEF17E9CAD0FD1A68726"
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+      "extended_signed_metadata_key_hmac_key": "977D06136B292939122D57B813ED5286EABB2FC6BD2EA28D69BAC56E2A4014A9",
+      "extended_signed_section_aes_key": "CCDA5D551490D5642DEDA01C33C91A04",
+      "extended_unsigned_metadata_key_hmac_key": "163A7E217E7698989CBEE9881E12F7BC6441F5A5EB412A4036471234B6012AC2",
+      "extended_unsigned_section_aes_key": "7A67B24746BA6DF77769113D2DB26104",
+      "extended_unsigned_section_mic_hmac_key": "18546D717E90A73922780062EEBA354249708A5E24AF74676E508FFFBF17CD80",
+      "key_seed": "74492144FA1125F689D2D30E088A162712B6D476DE4FB2DF1E5630A6362F4A7C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AA87",
-      "expanded_salt": "873C8D5C1E71164BD213F1526535B193"
+      "adv_salt": "14D1",
+      "expanded_salt": "9A0D2E4001332F59EB3DDC9DE3D93900"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FF2CDA6AB7C251844A47C01C2094",
-      "expanded_key": "C95B5A38FBED4CAF4FC58C9A34DB380A"
-    },
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-      "derived_salt_no_section_no_de": "9FBB20FD1CE5A598531729ECDF0E2737",
-      "derived_salt_first_section_no_de": "709C1CFF35F48E1F24C2507406F8F030",
-      "derived_salt_first_section_first_de": "58957879221690B6D34C7CC95CC80290",
-      "derived_salt_first_section_third_de": "2F28CC4A20BD1D8040245431403F390A"
+      "expanded_key": "B7AF60F12100D6E8F8E45CC5418F33DC",
+      "legacy_metadata_key": "7BD405E844FA565C68602A3825AD"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "B3224B60360C6C3D2992001842F1BAB7",
+      "derived_salt_first_section_no_de": "3BCB590732EE50885C16B363BF1F8392",
+      "derived_salt_first_section_third_de": "A50414ED17D4DF4068236223113B8AD7",
+      "section_salt": "F81CA9B15966156256B6A030BA389B84"
+    },
     "key_seed_hkdf": {
-      "key_seed": "1185F04D7BECAA60E4987A313C1C86F8D1C490E9E81022C7DEABB7E11E5C51A8",
-      "legacy_ldt_key": "241839857F480F2DBD3F9BC95834D2F05A9BF32B1D2733C8164929A626BA745101A3E91CA0144409C6CE596D2A22551D71F2DF8CA58FE75E60461524BC9E4064",
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-      "legacy_metadata_iv": "44A16091DCC270F2831E70E7",
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-      "extended_unsigned_metadata_key_hmac_key": "287E1EDD22DC5FEE58EA45959BCE30EF54DBFAFA1D360B6DD5357816127433CE",
-      "extended_unsigned_section_aes_key": "362DFEE5427D6E8F987192C1D3B5F57F",
-      "extended_unsigned_section_mic_hmac_key": "EC99D732B910D5BB3C635AEAF7EB31FEE0F96801C72B8BE2B3C113B9812278E1",
-      "extended_signed_metadata_key_hmac_key": "4EE60812610997A887DB56EC839A084739AAC63226CC969DE70340637B43C1A0",
-      "extended_signed_section_aes_key": "8D368199A03FC5025DF1287CB1EB083C"
+      "extended_metadata_iv": "30993C693C376A019830DE2A",
+      "extended_signed_metadata_key_hmac_key": "CE4B5F4012FC5FC030DA2D2B982AC7566C0AB5B03F76AB96198264F614E6573F",
+      "extended_signed_section_aes_key": "59DDC85AD17ABFA70A40BAE7C6F5A124",
+      "extended_unsigned_metadata_key_hmac_key": "8253F8F7EC5C2CEC2D096AA8274868EBB499BF14BF52EAB1C350A15EEDD2D9A9",
+      "extended_unsigned_section_aes_key": "2A841FFDEDD5866182A02C6B39E1F7C0",
+      "extended_unsigned_section_mic_hmac_key": "50741D90B9DB7B128211E0266C27AD77E7B7B2177CD86B181E18CE5F9433E1CE",
+      "key_seed": "B96BE68AEB4A7032B076A8A2721CB4D631E793157CBC8134431BC6705289615B",
+      "legacy_ldt_key": "A81C210047ED37E9C727B2CDF37D77E2769ACAB5252296705D72836EBE3E5183D7F40A83D224C4307D5E2AFF115D98249AE245C8892A935E20B2E118CBEDF5E7",
+      "legacy_metadata_iv": "DF6943F71AF5C1C6F3BBC6E9",
+      "legacy_metadata_key_hmac_key": "B1D08E3DAE445DD7209D476B1ED1BA1AE92AE93D07CA11B64319408495C82CBB"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BFEB",
-      "expanded_salt": "F793A7019B8229816733E135CD7758E5"
+      "adv_salt": "4B1B",
+      "expanded_salt": "BE9FE467CB6607C2AA8C5BDA7EA86989"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A516389C07E7EC4A41912DD513BF",
-      "expanded_key": "9B6C3CF37A7BADD66E1223FE9FFAD824"
-    },
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-      "derived_salt_first_section_no_de": "1CDE511706F361A932274F5BD463B17F",
-      "derived_salt_first_section_first_de": "3E7DB5541DC75719D44AD00D1901501B",
-      "derived_salt_first_section_third_de": "8963611065DF069CAC0251FB023A5BFD"
+      "expanded_key": "4FC3AACD730E8A9EED91E4DD26FC39C0",
+      "legacy_metadata_key": "609DD88BD7F5D17FD3E53B231D11"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "B30088798CE8A9BB55C9450EC0D54B63",
+      "derived_salt_first_section_third_de": "4DAED4BAB0D0D374C5B74A2B5B51496E",
+      "section_salt": "9832A40E98AAA14571F6532DD202F3CC"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "08FE428A145F92081DD583E6",
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-      "extended_signed_section_aes_key": "8199CE97AD04B497C03380CF58D01C2D"
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+      "extended_unsigned_metadata_key_hmac_key": "E490E4FF0220F5445EF22620AE5E06F87EDB75D48284D5E3431DA7955D5FB310",
+      "extended_unsigned_section_aes_key": "36AB96A89E96F93FE8F1128514F3D768",
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+      "key_seed": "FE1D2DC8D821708C5BB6012EFB75D0923D71385DC55450CEF8D7F2E5D4F91901",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "70AA3282DD8A534C7F1D8A34C0965752"
+      "adv_salt": "9CB1",
+      "expanded_salt": "3A2F9851179D1DA1E949096FE2B81A9F"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A6AB7B4C231706E55FD282D00D65360E",
-      "derived_salt_first_section_first_de": "EEBA1A449A78961070B9A1EE89487898",
-      "derived_salt_first_section_third_de": "305CBA932D16F464BA135B7B9788789F"
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+      "legacy_metadata_key": "3CF4C0DACB35343DD78ED14B6A17"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "83BD970419A73E4AC1C8C655D64B6EA1",
+      "derived_salt_first_section_third_de": "5FF649235216F1196F0022484D8C3860",
+      "section_salt": "16CC1192C28309D78F58C93E057DE526"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "9C2F3F99653EA9556323C24E93E85064"
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+      "extended_signed_section_aes_key": "DB61BEF6EBB68677666F94BE2AE1A118",
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+      "extended_unsigned_section_aes_key": "F45385D033FA2D2D2FEBD8CDFB0A9657",
+      "extended_unsigned_section_mic_hmac_key": "8EF9D654A2114F1F1CDD85A16E2F6740519F438FE1FDB8387DA88EC52617775B",
+      "key_seed": "0271D3FA7B80CE06BED7087575B9B37284BAA5E88EE800DCE4A32831A4D7608A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E315",
-      "expanded_salt": "AA92D5CE977F18B576972C9B38028A1D"
+      "adv_salt": "1FDA",
+      "expanded_salt": "66B78C4689803A9EAD4AA8EAF93AFC5E"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "0AABFCC797834529C68E9DA990BA5D15"
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-      "derived_salt_first_section_no_de": "21C5719498187AA3BD16D0AAF6CF0978",
-      "derived_salt_first_section_first_de": "CD606BF4003095273A2FC851F171D8F0",
-      "derived_salt_first_section_third_de": "CC09F9D5BFDCD5768B0FEFC53910ED18"
+      "expanded_key": "49271D0160D0300AAE0ED53F21D6F013",
+      "legacy_metadata_key": "9F78F747DA2F0547643F34068833"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5491E200E52C7DD78476A6B5D3C66F58",
+      "derived_salt_first_section_third_de": "96D14C58C4E2F7A6355C9CAB899E8070",
+      "section_salt": "A2E9B1EE02B2C3D6D2E50FB48548E057"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2E5BD6A1474B99C5DE02D4BEBE9AFA92"
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+      "extended_signed_section_aes_key": "09626ECB4563C4DD22D24ADD66B4B75B",
+      "extended_unsigned_metadata_key_hmac_key": "6D3192601113CA20F56953030678AD96F928074075CD01290593103DC72BF342",
+      "extended_unsigned_section_aes_key": "3DCB41CF478CDE035A56032BE66DE2D4",
+      "extended_unsigned_section_mic_hmac_key": "9E4C4D1A84DBFBB323A6EF6C2C01FD047910683491680526CB88CBF94E3E9D33",
+      "key_seed": "CF4FE1350CDA0D555ADB68C97C66D3185F833BC7CD0377BBFCA8F6481BB8C00E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4835",
-      "expanded_salt": "C01D4610B53799F2357D6CB8934D381F"
+      "adv_salt": "D63F",
+      "expanded_salt": "263F240F5F4ECA2C5706C6C21A2D6E7B"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D04EC9901BAC3042D683FE1F99EEE1D6"
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-      "derived_salt_first_section_no_de": "C5AF16A8C6FDD15E472EEB3E2D3D5294",
-      "derived_salt_first_section_first_de": "0F23C76C98E506CE3ED80A031F84E745",
-      "derived_salt_first_section_third_de": "31B78459C42C196CA2C3CF9F06301267"
+      "expanded_key": "8EA242AD7C811518740B2156F4E51329",
+      "legacy_metadata_key": "E9381378CE50A1717948FF22A686"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F104CD758CC65EC9A6E8E3D2F96353F4",
+      "derived_salt_first_section_third_de": "18E7A03513044AAF129308E874C12E4C",
+      "section_salt": "E9BD3A10D8DB706CBA6AAA9F28A6E7F3"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "8EE951074DA79EE132F00CBF",
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-      "extended_unsigned_section_aes_key": "3C119A436D3A5FD495144A32F82D3546",
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-      "extended_signed_metadata_key_hmac_key": "DE0F978CB195DBBD2243665972A27BA96C16E502318296FF3B6D3B9E05A7ED95",
-      "extended_signed_section_aes_key": "72E64A3D13EBB70428387629E8E75064"
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+      "extended_signed_metadata_key_hmac_key": "3EAE4C95135E5DAA73C52DACD26EB0DD01C779C7FA24C11D1D8F547D5E576CD2",
+      "extended_signed_section_aes_key": "A0CCCB1B93F76B2A8269FEF6D5A81374",
+      "extended_unsigned_metadata_key_hmac_key": "3F1F35D85F4591FC8A2A5B60B8A2E72EBA585727ADCCC0DF128A24444C71AA34",
+      "extended_unsigned_section_aes_key": "B6BFF9296AD4A80B359431BC6C9D08F6",
+      "extended_unsigned_section_mic_hmac_key": "4327A4E6E0E30A522D2906008419BB4BA185A70221C9B48C32F90B0CA294BF91",
+      "key_seed": "85A6D50590F6C7FF5C95B95A817A8EA208750FCD736A7CD124669290B4588379",
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+      "legacy_metadata_key_hmac_key": "93E502ADF82DD6ADB1C367F45295696A18EEA7F9B057A4D43DA5964654EA035D"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0B3B",
-      "expanded_salt": "42DD95161D655F7FB598006DEB4D4CFC"
+      "adv_salt": "BD1D",
+      "expanded_salt": "05E4986E8343C6F2B6618DA5D20F7EE6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B4E7F6736226D3B3834121EFEA62",
-      "expanded_key": "1B09C71AB92721FE8B1CE3489BFCC275"
-    },
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-      "derived_salt_no_section_no_de": "A643D3D5D30834485405448AAABBA34A",
-      "derived_salt_first_section_no_de": "075207EDD62913E5BDFDD21EA57714E6",
-      "derived_salt_first_section_first_de": "90CE230CE8DB87EE0A9CA9B76E2AD3A1",
-      "derived_salt_first_section_third_de": "8A7DD3605ED6430A8813A42A4FCA6604"
+      "expanded_key": "5813C409F57DE608FC78E1B4E52E029E",
+      "legacy_metadata_key": "D66B282E2FCAE3D74BB2CD381752"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "7A5171C3E46039B7E36B44E9FCD465E7",
+      "derived_salt_first_section_no_de": "8B29F80A93864DC65D6D18CF73FD7FC9",
+      "derived_salt_first_section_third_de": "7001C04214BDBA9ABE877DA380548224",
+      "section_salt": "37995CC40E84D72DD007BCAEC024B1B6"
+    },
     "key_seed_hkdf": {
-      "key_seed": "B935DB62651F96D57F5EEAA077F364E7B8A1F15B985CEC124B58B3002595E79A",
-      "legacy_ldt_key": "4C7926F7BFD80E56B2FFAE018B83166B5068B6C11E0F54CDBF085B5A0669CBF5FD690DB183A3ED518A0A40E9811F568991AB207354CB55CAC3ED7C378B6347A5",
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-      "legacy_metadata_iv": "F990C5C82BCED9A6E290B6D0",
-      "extended_metadata_iv": "8D8FED348F3588C32C1AF953",
-      "extended_unsigned_metadata_key_hmac_key": "1E9AA7A99997789D69C942E7FDD86AF5149F732E3A668ED88FA4EE6B1B201D5E",
-      "extended_unsigned_section_aes_key": "7D8414817D3A1362C697EB892D5B187C",
-      "extended_unsigned_section_mic_hmac_key": "A9B95626CB8A5ED673229C88051F8FACCDBE8BBC01EE46EE1AA80347EC0193E5",
-      "extended_signed_metadata_key_hmac_key": "C987FDF91C3B946C5C38B4D51BF576B4527C5343AB3D7D3016CB92CCDECB7447",
-      "extended_signed_section_aes_key": "25FB215EF4720B27898B5B11DD9DBBAD"
+      "extended_metadata_iv": "2B8C7D64D956A638466BE0F9",
+      "extended_signed_metadata_key_hmac_key": "7A18C69C2847EC6B549B63374E80AF2746AD8CE149FAC51E873B6E2D0A4B2A89",
+      "extended_signed_section_aes_key": "8436A9E6044FE8A79EEA57AA01868D55",
+      "extended_unsigned_metadata_key_hmac_key": "E76408FCC12B53CD9618C1459D7CD59D2931A52BD138F857626D6F65652033DF",
+      "extended_unsigned_section_aes_key": "662F3D9E33DB794C14E1E4F7DB18B698",
+      "extended_unsigned_section_mic_hmac_key": "39CB40BAB1FE00D529A5B51DCCF8BB727C4D4F80A808AC9FCFA23E799F58885A",
+      "key_seed": "2A1DE9C865AE94DE7270FCBA5D68512E975CD2DEEB91BD166974569FB05C18F8",
+      "legacy_ldt_key": "71B1556266EA30561BE55414689AF76C45ED86DB0CEAF42D0A2A20BA80082A0430C95A3C7994E624F2F1D433405B45AF0CF521210A5FF82B19C60A562A59E43C",
+      "legacy_metadata_iv": "6677D55A3D3434DEF144E527",
+      "legacy_metadata_key_hmac_key": "411D4987C3CD0577016CB87DAAD2169144471ACA8D1BE5831F062D94ABC1DFAF"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8715",
-      "expanded_salt": "946E3A7913BB44AE530A9645F46F9B7D"
+      "adv_salt": "F364",
+      "expanded_salt": "95B4C0E86A0CD8F76428E3DC25C6984B"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B010B223DFCBD7D30E098C30B8A3D37C",
-      "derived_salt_first_section_first_de": "82169B75FAF146D782394E6465833474",
-      "derived_salt_first_section_third_de": "D4713A7730E46DD8210D303D809E3AAC"
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+      "legacy_metadata_key": "BFFF0D48D5934E68FB5F6CD376D2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3691E00107C21F31A916F31C9995B854",
+      "derived_salt_first_section_third_de": "CCA91F7FFCE9E250C9B8043760BABAAC",
+      "section_salt": "BBF544E65FAB090DE3B65F358209A2A6"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C061AD78B1084B999ABC59D47C346A5E"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "508936018CC8F80B84A7A6702E5DF516"
+      "adv_salt": "2126",
+      "expanded_salt": "7E5268BAE52C844BAB6AF74F0157C658"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "478CC135EBD78C6DF015E2E5AB0DE85C",
-      "derived_salt_first_section_third_de": "BF3240E397A46980F8B8BDD03B7810C0"
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+      "legacy_metadata_key": "07B4C1CC18BE83F3D07DAD82CF8E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "10D3892A26345B314628C3E9A892B8BC",
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+      "section_salt": "7791843C33169902C14B46324D52D5D7"
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-      "extended_signed_section_aes_key": "33AD0380B15D90664A2C30C35A7D44BF"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6351",
-      "expanded_salt": "2B6AB78DEA383AD0BA91081FEEDF3995"
+      "adv_salt": "92A8",
+      "expanded_salt": "A30AC552BBB50CC59644386B11F7C4AC"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "09B6F5B9CB3BB16B912162AAB2E6",
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-      "derived_salt_first_section_no_de": "C5D278E3B8191AE5E551FB8049ADB24F",
-      "derived_salt_first_section_first_de": "E3D5F2C87FF6929AABBCD9F70EEE0564",
-      "derived_salt_first_section_third_de": "B671E74B0A6BF619B666AF6CCCB9B625"
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+      "legacy_metadata_key": "929BBC864CE0465F2EDF78DE74AF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "193F0A17E2686D736F26D20D241790FE",
+      "derived_salt_first_section_third_de": "E670C8CCB2B4ED7F0F5BAF49A067DDE8",
+      "section_salt": "DF093F80DC7C54407D53A2B72A89F05B"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E0BE3C4969695129F9DEC40A052AE029"
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+      "extended_unsigned_section_aes_key": "505F91F47A9A80D2410ACA6A1D1C6092",
+      "extended_unsigned_section_mic_hmac_key": "1D8ADB06A3D864B11DAE2FA8BCD5FFCF04323DE555379EBDADA46D11CFD29131",
+      "key_seed": "D3A0FC159B6029ABBED5EF6E2C250FD97DC6EF2177E2D0D50E427AFD3DE89372",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E627",
-      "expanded_salt": "A249D0366FCDF6DCA8D03BB1516CDB3B"
+      "adv_salt": "AB74",
+      "expanded_salt": "3D6846EE57550D4B05AD7C6FB64C2173"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1E6060BC963804CE04AF5C911744",
-      "expanded_key": "FC765EF95FDAC16557470123D9E3406D"
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-      "derived_salt_first_section_no_de": "8A25F5373786A94E8D8DFF11000ACF4B",
-      "derived_salt_first_section_first_de": "270CFE5773FB5BDA74EA81F83A7ED62B",
-      "derived_salt_first_section_third_de": "82D1E18CA3568EAB5F8D85F3A34C6B2E"
+      "expanded_key": "49423C336D29F67B688941029AA3FF43",
+      "legacy_metadata_key": "961C9F69A836311B4D3CEAC71FF5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4BA6E094F37B0BA05D85E700C53D01FE",
+      "derived_salt_first_section_third_de": "E81F3DA29567DF4FD5C2607E0B115BB5",
+      "section_salt": "CE5CFFA7E79A91AD4B93462F763E8100"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C99088456DCCAC5F043EE165",
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-      "extended_unsigned_metadata_key_hmac_key": "38B77CD19C5F89F4B1B15251AF6BC0461BD3FADF2054E2D72DB40DF71AB1C1EF",
-      "extended_unsigned_section_aes_key": "C6A5200D84357DC3DD2C5BDAE77BD959",
-      "extended_unsigned_section_mic_hmac_key": "FF10E28D434AD7A5FA05FF13039468ED6DD0C55BDDD5140FB1F757405D997E79",
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-      "extended_signed_section_aes_key": "F677FF36E05E601C3298A997EBF3A218"
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+      "extended_signed_section_aes_key": "273FD1913CC077B83C90CBDF17391820",
+      "extended_unsigned_metadata_key_hmac_key": "85BDC7BD89C7E4958074A8F17C94EF61DF7E51F19D42C520EBD01ED890FD842B",
+      "extended_unsigned_section_aes_key": "D1439DE851D14EAEC96652CAE5000CE7",
+      "extended_unsigned_section_mic_hmac_key": "A9DA1846A7FCF912E60C67A664C9CE621531CB071D69B86161E9A1F7209F6B54",
+      "key_seed": "A8253DC0A8B6A9BAAC9E97C58B881F0D921A0B7197A780BB34DD750CBCCC392A",
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+      "legacy_metadata_key_hmac_key": "41D3114FB80DC7072E685A34EF15B9E4BB4F656DF39F23944AB83F6451168005"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C3E0",
-      "expanded_salt": "CEDD2929D2270EFEC3A290CAC2A302CE"
+      "adv_salt": "1074",
+      "expanded_salt": "B6D572B2CFD4D672799545440A7932B2"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "46E5A71C7EDA3B16878F6EFD7261",
-      "expanded_key": "C58E40B7E10A004AE13D3968DCA346B4"
-    },
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-      "derived_salt_no_section_no_de": "29CDA6462D6E15733DB236A8121625EE",
-      "derived_salt_first_section_no_de": "BCF9097D57FC96778EE23E1C83C99348",
-      "derived_salt_first_section_first_de": "61298D4E7671C1ED12865E5A5D966147",
-      "derived_salt_first_section_third_de": "7FB17393D76FFED3DAF8D0DC734DC3D1"
+      "expanded_key": "89152DA1F7573F829CDF23365CA8E0DF",
+      "legacy_metadata_key": "BDA989C8D8C400AB143E4C23DFC7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "9710F86D528A15B82EFB551DEB92A770",
+      "derived_salt_first_section_no_de": "0783C140BFB3CF0B538B90904AC8A2E8",
+      "derived_salt_first_section_third_de": "7DA4291E0010F75D0162BA2A23A2426D",
+      "section_salt": "0C21817BB912CD177310152E09E9779C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "01D0D3DBFC069DEED44284708B45D20317F6236B5D361360788E5800C74D57D1",
-      "legacy_ldt_key": "30117F44DEAA8427B579B85B298B18880F2A3A491DF8A94893074651B1C57FDBC6444288A19BA0D0467B3A1B5170ABCC54F09B2166F29734008F311D5703AE85",
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-      "legacy_metadata_iv": "9209848FFD1C65D8B86CD7BB",
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-      "extended_unsigned_metadata_key_hmac_key": "65EA242D3F244E7EC05CCBC6F372EDF5D4942E45E8914546BDBDF282E8763417",
-      "extended_unsigned_section_aes_key": "69A5284D90B8BABC530B523EAC8DCF14",
-      "extended_unsigned_section_mic_hmac_key": "8D4412C8B998755D44165DCDC717157709E5A1D2BFDD6A5A555C25DE2EB55BAB",
-      "extended_signed_metadata_key_hmac_key": "F73BD27F5A0860CCA52ED805EDBBEA61F91872176597922ECDB179B287353AC4",
-      "extended_signed_section_aes_key": "9FDD000904E10D3D338965EF770ED990"
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+      "extended_signed_metadata_key_hmac_key": "18447FD8F0C453366BF495948C7DB8C6C425515B7C8E9BB1888CD77147D46E7A",
+      "extended_signed_section_aes_key": "E8C0269A319ADE63E52DB4A6089A258D",
+      "extended_unsigned_metadata_key_hmac_key": "B87C19C7FF5D032E22981B91D58009AA338DA4CC158774F76854FE9FEADF603C",
+      "extended_unsigned_section_aes_key": "18C8F092B077375A8F6D07D704576CC4",
+      "extended_unsigned_section_mic_hmac_key": "78D5747E330696E093F70089BD9E2149B05DE42B47EE8DB70214222A2E8105AA",
+      "key_seed": "E1B64C4D1014219AC9960A3C97ACEF7B3C413F9387B339383D0DB103FC2C3A75",
+      "legacy_ldt_key": "8D0D2382C4424BC9BE67D80417792EBC04F489E03396E2E2A3859B47D6C1762A229926B8B779A7B3E981C2D99CE77A712152442980058748DA26A8936BC56B9C",
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+      "legacy_metadata_key_hmac_key": "286042B0D000D3E9A120032727E2D08F77697A467B811CD644A8183CE2477510"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6BC1",
-      "expanded_salt": "D96495EB1B698CD3FA788B36F36056C8"
+      "adv_salt": "9020",
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-      "derived_salt_first_section_no_de": "0C999C999557110986164EC5CDAB3AA1",
-      "derived_salt_first_section_first_de": "0BB1411E8102598AFF6B457D283B98B6",
-      "derived_salt_first_section_third_de": "947C991481016AFE959D65926C561C47"
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+      "legacy_metadata_key": "6DE6CFE80E550DB462A80C0FE33D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1F7985A33A51315E6C37E16AA5084FB4",
+      "derived_salt_first_section_third_de": "BB2261D1D0A5573F3F9A7009BF17E3A3",
+      "section_salt": "37A96C394F7ADE8816C225826875A05A"
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-      "extended_signed_section_aes_key": "88481E543D76B64FEDF404DF976A8863"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4FDAFBA4836E2E8415EB67535F64964B"
+      "adv_salt": "6571",
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-      "derived_salt_first_section_first_de": "BB036062702B4FCB06F5145379F0028F",
-      "derived_salt_first_section_third_de": "99994A23F7F35D4EEFC02B1B930452A3"
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+      "legacy_metadata_key": "55FDFB389E914628578B6EB3EEB0"
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   {
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-      "extended_signed_section_aes_key": "63BAB0BF39486E354739E654C0EE6B66"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C2119881A0A70267838E68E44421088D"
+      "adv_salt": "E108",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "011F17F92726E791C124E699BEEC1D97"
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+      "legacy_metadata_key": "D2B7A2224BA7F4109BE9AAF4D1D7"
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   {
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+      "derived_salt_first_section_no_de": "56D2E6561925849BCDD3B4E5A33A685E",
+      "derived_salt_first_section_third_de": "FBB6D01D55478EE25BC563EBFCAF20CF",
+      "section_salt": "400F9F6102A15DF03898A8066220185E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0DF4565BAD9E7D4BC35BC439EAAA8072"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FE53",
-      "expanded_salt": "7BA5FD32950474709EBEAB39D40FB37D"
+      "adv_salt": "452F",
+      "expanded_salt": "F13343EF03217DF6BB575C7767BEE974"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "01B78FD910276E46BD0544E86FB403A8",
-      "derived_salt_first_section_first_de": "9FAA69AD281EE5750EAC19B9052B78F5",
-      "derived_salt_first_section_third_de": "D6BADC46BB593B1591D3FBB339185520"
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+      "legacy_metadata_key": "9305BA81AFA6051BB78D41A62ABB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D60EEE432C0B19D60941BFCA3665CB34",
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+      "section_salt": "0FA97919ABE06E09FE1E0E5E70041B58"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "528E65D3BDA21F187DE37DD24530A10B"
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+      "extended_unsigned_section_aes_key": "E3334CAE07E903C90A469B9EE2A9BDBC",
+      "extended_unsigned_section_mic_hmac_key": "1FAA58ABEC5843EF0C5FB8C973CFCB9474319D0CA60B58102A741EB1FF2051E3",
+      "key_seed": "18B1CFF0A0ACA9C1595D5A4493F593FD88268FC7B426FA43F170E459921B062A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7F4E",
-      "expanded_salt": "1F55A05FCBA4686D746F99807E9602B4"
+      "adv_salt": "98EF",
+      "expanded_salt": "10D2F88B813305B44E88F61E0E986700"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "27E119D164FA0A4D229924CF48E36E82"
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-      "derived_salt_first_section_no_de": "6D205B3FA9A71A7A5FCF8C86BC0E4A5F",
-      "derived_salt_first_section_first_de": "61E0F9A7293E34B2070B57E50A537B25",
-      "derived_salt_first_section_third_de": "ACE89495559AC9EA66CA94E7B810A235"
+      "expanded_key": "7495CDFC2C421236A1DA640F8120BA55",
+      "legacy_metadata_key": "9CCF7AC402362E3F707A8789DDC2"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "94EDA085B8BA8CBFF0852BC195B1EE1A",
+      "derived_salt_first_section_no_de": "1CF65359C54AEA4B196A9E0A09D7C6A5",
+      "derived_salt_first_section_third_de": "4CF7E3915E6FE038BB29036BFA4D71DE",
+      "section_salt": "F88A0A51CC897C0E9E53FFB0FC2B48DE"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "954B229D5B401852A081E8D1",
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-      "extended_unsigned_section_aes_key": "0442B0D8E2F1E44E1C06782D4BC97A70",
-      "extended_unsigned_section_mic_hmac_key": "EA00DC9251449EA779263144F9215FBE7051A0334CDB5EE345FDB9AD3AC75DA9",
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-      "extended_signed_section_aes_key": "5AC6A5B2AC164E7C646D2AEAE3052FCA"
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+      "extended_signed_metadata_key_hmac_key": "5838FD749D576A08F115458ADF64783C9827443F526B9E86132A0E6F09A5D963",
+      "extended_signed_section_aes_key": "8536CE89AEB3FD9021B5210A2FC5D394",
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+      "extended_unsigned_section_aes_key": "F38FCD82F4D0C99CC99B4151FCC20AE8",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "554696B5998786B25A12345F0242CF90"
+      "adv_salt": "A94D",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "CAE24E5B7020C793D31D5A4FAF4456F4",
-      "derived_salt_first_section_third_de": "B7593D603B43099E07D0DB98277A68A5"
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+      "legacy_metadata_key": "54D2B09BD98E203B88ED02E90269"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "610B7D1280AC0718ED420295018810FD",
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-      "extended_signed_section_aes_key": "5CD072203A8D7481A21DD5625BEE8D5A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EC91D9756460ED9C65D59152215DF7DC"
+      "adv_salt": "D617",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "3C68E475C534E4A11BD35D47B87AC427"
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+      "legacy_metadata_key": "E016F4BFB52D1AEFD284A01A4E8C"
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   {
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+      "derived_salt_first_section_no_de": "58DC4A178908B4136E1B3BA11C09E4D9",
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-      "extended_signed_section_aes_key": "4764D2F9048F4C2AC3F6A12AC7CA2F77"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F057",
-      "expanded_salt": "699E755515205FD24590916F23585046"
+      "adv_salt": "C4C4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5E9FAA249985F36B83EA87DF46F6DF6D",
-      "derived_salt_first_section_first_de": "E7C2C41986BE01A5019343687D396DFB",
-      "derived_salt_first_section_third_de": "5B8A83D2C50810FF5A28B53A107519D7"
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+      "legacy_metadata_key": "EA9FC8B18646B7FB688B11C55DA4"
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   },
   {
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+      "derived_salt_first_section_no_de": "63B41701A4A3B88D534B81F8FBF58C40",
+      "derived_salt_first_section_third_de": "76157684F40FD06A6804FAB2261E321E",
+      "section_salt": "17B9401AAE49511CB72CB8DB9131757C"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6E2ACFA0573D179ED92D2F891B78209E"
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+      "extended_signed_section_aes_key": "B416BA1B0764E908B42B5DB4BFE572E2",
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+      "key_seed": "CA7BA402B3886E4F11BB54B0BF9AD321F36A1D745D6A1F017A995669EB116C52",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EF16",
-      "expanded_salt": "CBECDD6607E19F0C90A14057C398457E"
+      "adv_salt": "481F",
+      "expanded_salt": "67CC6BF24ABC2A2473198254283E65C1"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D4359110FCE29D54317AB2B134AF896E"
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-      "derived_salt_first_section_no_de": "94DFBBBED3B156460F8E253B6EA98798",
-      "derived_salt_first_section_first_de": "BCC1EE598A002DFD43F35378CACD5749",
-      "derived_salt_first_section_third_de": "25AF049F7807A64A6864EAD1304939F5"
+      "expanded_key": "B051819BA20FC11B24FE35F9AAEF733A",
+      "legacy_metadata_key": "EEC31B9D798382C72A19A533DFD2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6360641A00CA9AFF8C0EFA5CB5D3001F",
+      "derived_salt_first_section_third_de": "5D0927763214C873BB527F1E54A05236",
+      "section_salt": "D77DD2D2723BDE37A2041ED578950861"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "18D6A320336890B2C5C37DE1DA7E9C0C"
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+      "extended_signed_section_aes_key": "06ADE1304FB357DA4C6A266DCEC0033C",
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+      "extended_unsigned_section_aes_key": "2707D5C3CF84E70691F2D512049DB853",
+      "extended_unsigned_section_mic_hmac_key": "1A2840AAF34247B833AE0B4CFD4E6D3AFD707DCF59FA0820B5A2A3371AE7D191",
+      "key_seed": "B7351002287B1EACAA37EBB8108A8544E79CE798499CD360134B609CEDF98EE9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2797",
-      "expanded_salt": "1F08B5BB45EF12EB5A8294FEBC87B593"
+      "adv_salt": "D553",
+      "expanded_salt": "8E0BBA9C66CC9331A073E110EA49F8E0"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "256BC06DF632EE7CB916ED7FD3FF",
-      "expanded_key": "F95D1418F85CB42094170CFC9C0F2EFC"
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-      "derived_salt_first_section_no_de": "CD83BB5D54B443C64BB54611DEEF75C0",
-      "derived_salt_first_section_first_de": "C6216003416822E62CE49E5824174BCD",
-      "derived_salt_first_section_third_de": "94D497894FC43A652FEAC4C75C4B0D46"
+      "expanded_key": "35E269BD10CA0AA2BA7F5C164973C778",
+      "legacy_metadata_key": "84F74BF1EB0B73D4ADE0A889BB27"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "062F0CD62BCF8F2B83CC5D42BE3DB999",
+      "derived_salt_first_section_no_de": "FB87DB360621A42ED683E75C24C52188",
+      "derived_salt_first_section_third_de": "37D4803B64C1903140775953FA0DE65B",
+      "section_salt": "1EBAFD0B3C3EE1386605F5F08D40523F"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "5030D3B424B64E7C78DA8E92D3108EF4A1ECF2043262E84E9F07FE7440AD79AD4A6BD1267C9CFDFFEF068E20E61BAF4B2D88D281370CC219D70B62E57259D5EC",
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-      "legacy_metadata_iv": "B02C0B00A121E50FCE034535",
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-      "extended_unsigned_metadata_key_hmac_key": "EC3DE3AD0882C7F43F9CD3648B30E4CD9F727B89E38C8344540859D8BCD6FC15",
-      "extended_unsigned_section_aes_key": "23BD2C0A090031A4FBDC15FAFBF53CF9",
-      "extended_unsigned_section_mic_hmac_key": "2AB3CF9D52343C4AC82D3F3696603020563B8B9F323F6DDF909E99D0948D7DE4",
-      "extended_signed_metadata_key_hmac_key": "D09D1B5E88C219605CD7B6D44E41D2F3FEF96F5AA08C47E391E392AB1640046F",
-      "extended_signed_section_aes_key": "467654797F9191CBCF57601F1B4D304F"
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-      "derived_salt_first_section_third_de": "92BA3D44D53A151C82362F4AC7918A25"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B31FED614EA7EF5BFC748113D76DD52F"
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-      "derived_salt_first_section_third_de": "3E5EFE6998E102E194C16A7BB3BE2AFB"
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+      "legacy_metadata_key": "17998C0BCFC1BFA43240D978BCCC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7D68BAB6270F709BFB1E79DE2041F5C5"
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-      "derived_salt_first_section_third_de": "7BD0AD7F7E2A071F150CA59CA4B96427"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D571795C8672BF630D73AA6E36786D8D"
+      "adv_salt": "1DF0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A54CD334A27516A481A6DFA52E1A9591"
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+      "legacy_metadata_key": "E740B0D716E03ACD98F4D7CB7286"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "31BCA968B3AE5BD11FCD8D4FC36D3AF3",
+      "derived_salt_first_section_third_de": "6BEA8DC4F2EFC40C5E01609ECD70C065",
+      "section_salt": "12F437EC2D63E77738BB50277DBAF544"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "8004FF649F607208FE77E9F235E8D52B"
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+      "key_seed": "58407A8478E1A3C582C8FE78021D930091670FE8C168AA4DAB3B80756714AE8B",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E7CF",
-      "expanded_salt": "4E9D42ABF06A1542C301925DD62CAE18"
+      "adv_salt": "0A83",
+      "expanded_salt": "CDA09249FA5384B53229A8F0822FA54B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B7F255907551337602AAD20A595CE59B",
-      "derived_salt_first_section_first_de": "2548BCD5CF18AD749DC4957F2C13F4F7",
-      "derived_salt_first_section_third_de": "4BDC35C50C0321159F9C9D598C9E815C"
+      "expanded_key": "CF549B49AE0B248D62D86F91B0BF4C7E",
+      "legacy_metadata_key": "47EFAB23E06A53D925B839EAAF2F"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "3E5E97EF4057DEA4839A3C02584CE5B9",
+      "derived_salt_first_section_third_de": "69E54FC30647DEEC3FD4D5E0C2B0F733",
+      "section_salt": "1C409D1B9F43EC0E55384301E3F3BAEC"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B6E69E95AB91DAD4A651769C",
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-      "extended_signed_section_aes_key": "A08BDAA105FA5B1B7B57F52C04A68FEC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6964ADA52BC97A72FCE3EED925EDC76A"
+      "adv_salt": "5114",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "8835377E7AF180767AD8C7CE63413660"
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+      "legacy_metadata_key": "2BA890E3B5F4FB970CFE53F21BC1"
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   },
   {
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+      "derived_salt_first_section_no_de": "544588DA8681AFAF2BA012CF32707447",
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+      "section_salt": "098F9E2BD1856CEAF2C732AFA2E76B24"
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-      "extended_signed_section_aes_key": "451D84DD183E40DB36643F5809D34426"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3ED95395A8AFCCA169223F575B60C5C0"
+      "adv_salt": "4FEA",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "45C9A6FE72A3810886DD95DDB997A198",
-      "derived_salt_first_section_third_de": "C9A0F9E3BE40DB273D7034426BAB4477"
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+      "legacy_metadata_key": "CA6667D680F4B01BE8DA90B75029"
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   },
   {
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+      "derived_salt_first_section_no_de": "FFE10354F13073D63EBDA1E8EABB5CC1",
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+      "section_salt": "B86DFB3A7EA54E44D9F3DA4BF90037AA"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C2F1218E6B38AA97CEA34F5A2C582F60"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "ABE074D911AE1746EA77B7B996107D0C"
+      "adv_salt": "5AF3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "F2E2DAE3F4C7FAB5DEDB545D2272289B"
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+      "legacy_metadata_key": "4CF84392AAC823633F0015BA640F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "FC1839D6FD5537F8C72D1E7181CD0A11",
+      "derived_salt_first_section_third_de": "5D5E5AFAC5860C85ABCB21B338D781FB",
+      "section_salt": "D91A27EE43A8ADB1A06454F3FDA1AEFD"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "737B692DF19552CC1782386B049C9632"
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+      "key_seed": "E94829756D752DEC9EBBE973CF6845438E5BCB2192BB0F5281C43BF246F7867F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "50C3",
-      "expanded_salt": "AEEDDB0BE109CF0D3CD32401E86787F0"
+      "adv_salt": "C5E2",
+      "expanded_salt": "6F5DFD9825B48E3A5DFEF09A20AB2BE1"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "7340D3DA7C3822FFD352B3FD65A52D06"
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-      "derived_salt_first_section_no_de": "9930FF19C83979DFBF5ADFEC0BEA7E92",
-      "derived_salt_first_section_first_de": "FE741FBCE7FB0F8967857469F3594700",
-      "derived_salt_first_section_third_de": "6114066E1E0ACC7A428A5DE80B875496"
+      "expanded_key": "E347096FF09C474D6478555652A8E1D9",
+      "legacy_metadata_key": "704A01D9EF853073E0E0C34C89EE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9E4402102BBEBD2648CC179643F75613",
+      "derived_salt_first_section_third_de": "8A97A2600CCC0DE6857C4D5D0FC10DA0",
+      "section_salt": "416AE60C89DBA3C5919CDE8E585AD63A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "46F72A996BB67EA7FD9106B3",
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-      "extended_unsigned_section_aes_key": "98654D2D93E13677EB887EE31E841BBD",
-      "extended_unsigned_section_mic_hmac_key": "2C8533F46549E11D3BA9D630D972C0A0D0B469EE664C58C23E475813E5489C18",
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-      "extended_signed_section_aes_key": "2199088CB5529B67E56A1B21D11DA1B6"
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+      "extended_signed_metadata_key_hmac_key": "9DF189E263C53313E6E41E16574D7E7BE68A325084AFAFE57AA93F73B050CD09",
+      "extended_signed_section_aes_key": "226EC6ED8B888798C320D202F25C7809",
+      "extended_unsigned_metadata_key_hmac_key": "605B8BD618231DD8528E5DA0A8B23F239CD380C946747243501DEC4DF04ABDFD",
+      "extended_unsigned_section_aes_key": "E42CDD7764D8B7AF8FA362259765CB19",
+      "extended_unsigned_section_mic_hmac_key": "E31827A9B316658E29F1EFC3C6EF3461079233CDA90197B20EB0B5016CECD58A",
+      "key_seed": "C363375FFF63104B0D8583E44EBA911772D363D9AD61EB686B8D6209EC6D52B8",
+      "legacy_ldt_key": "C2A6B90C8CD00C6D7F8EC096C2B21C398D52B16C5E4023AB20E224441905836D9897AA52980DED05B3014F76F92DFA7851A545930C9129317791AFEDE1BFE460",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8ECD",
-      "expanded_salt": "638576AD94BDCDDD59F7144452AAF1F0"
+      "adv_salt": "2841",
+      "expanded_salt": "07A5908B387D93F82E60C3F7F3E5388F"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0FE4C8741CBBDAB99BE64EDBFB14",
-      "expanded_key": "A625AA16153AEC2ED4443BC7F9EF0406"
-    },
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-      "derived_salt_no_section_no_de": "19C19AC70510067ABC1C59EFF49AF53F",
-      "derived_salt_first_section_no_de": "5073C8DF78AD4B0C2F534263C6623038",
-      "derived_salt_first_section_first_de": "2193E8BD8BEC7C28E9FD39D4D2EF8CB3",
-      "derived_salt_first_section_third_de": "794AF44F56F6E8DDEC7D823F718739E4"
+      "expanded_key": "4297B80865BDB11AAF33890CF8C75741",
+      "legacy_metadata_key": "2C99BF16D3D7B3004BAB5A6EF04D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "338DB861B307375E6D5555198D11CBBC",
+      "derived_salt_first_section_no_de": "2172D2090870A0257CBA4C232D9CB615",
+      "derived_salt_first_section_third_de": "7D2ED4E48B98B74651D34E9EA64AE010",
+      "section_salt": "4F9C8DDCB6E409688AF6BC3A07AA23A0"
+    },
     "key_seed_hkdf": {
-      "key_seed": "EE708DE3A518FB62970CC156E3843D5B7B4C30CEFD24675D1A36F15112876AE8",
-      "legacy_ldt_key": "56467711579D704A89689334D00031BE3A47F84FCDDF64E9798BFC1474489EECC2FF941A77837FD71E586C6F5D16C4EA2A0C9A7CE7133CD5D99F1DFA96B27424",
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     "legacy_adv_salt_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "858A3E409BEB655A2951EB1F5DC55E9F"
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-      "derived_salt_first_section_third_de": "CB3E1DCADCA18114959E0C064360055A"
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+      "legacy_metadata_key": "5206B70806118D784F38962C84C1"
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+      "section_salt": "0EA80B5683B9618A830B8501ED2168CB"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D304",
-      "expanded_salt": "9561102171D89A99FF6F504CA3121149"
+      "adv_salt": "8CE4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "22F37C6AC53C63FC67CF6B0D366F32C2",
-      "derived_salt_first_section_first_de": "1C8365F448C38B68C50BD48942C03DB4",
-      "derived_salt_first_section_third_de": "F85996B7FD45FCEC9272201BD9ED4F8B"
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+      "legacy_metadata_key": "52C16C8EA8EF68D5110267350641"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "904CC68616E78D3C9A1EA4B8A32650C5",
+      "derived_salt_first_section_third_de": "92F67E16745717333787C86C20BD18E9",
+      "section_salt": "9BA824E09C3F878904FC78809C7E1DF5"
+    },
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-      "extended_signed_section_aes_key": "422C060BA491A241E99A06B2DFB1AD0D"
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-      "expanded_salt": "72A890686FB7611C02E72C1152EAEC3F"
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-      "derived_salt_first_section_third_de": "1268899AC80E43379AA9935548E8084A"
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+      "legacy_metadata_key": "7F84E78A3E2828BA800C1A6DB08A"
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   },
   {
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+      "derived_salt_first_section_no_de": "5860393A9EDE38FB2D584DAF9EFF0786",
+      "derived_salt_first_section_third_de": "09322300BFB2ADD3AF15CF123FE33B16",
+      "section_salt": "0EAD3F637EDE74C995801C34794EEB5D"
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-      "extended_signed_section_aes_key": "FC4303141B9D8C45296A4E05A015001C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B75420180DD8FB992F589732AFDCD3D4"
+      "adv_salt": "80FF",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "7763DE9BFB5B5AD9C06D2432C83A6B27",
-      "derived_salt_first_section_third_de": "6031E675C1450163A1E23C324261A25E"
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+      "legacy_metadata_key": "5822A4C289C858A4455961B16DDE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5FC20A5EC5191BFCC7C5977836090D17",
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-      "extended_signed_section_aes_key": "30A74EC6F5096558D5DF6DD398140249"
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+      "extended_unsigned_section_mic_hmac_key": "D6EC264359E630D75DF51771DACC089E279B1D6D6C73DA258FEA124F17A03EF1",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1816",
-      "expanded_salt": "845848E46C0451684B93AB9A0C3BBCAB"
+      "adv_salt": "E089",
+      "expanded_salt": "DD21A19CEBF5B0927FB26A1FA30BFE83"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "2026CA265D757E8F4D49AAB4CD261639",
-      "derived_salt_first_section_first_de": "0CF9C2AFB5094EE6CE8B06BABB469279",
-      "derived_salt_first_section_third_de": "CE5D120FD61C1142097EFF2343346707"
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+      "legacy_metadata_key": "2461DE7E034398FFCD0D8B6A3A91"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CD88053A5B82C4BF374BBC506E248B05",
+      "derived_salt_first_section_third_de": "FFAC26AA2DADB28F3F328E4C099801E3",
+      "section_salt": "DBC45453EBFEC22350F027F895A02939"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "19EA822D6F8C32D73E6B65C5",
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-      "extended_signed_section_aes_key": "0AF54BCC4F2A88D9C43449881A135E48"
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+      "key_seed": "77FEBFE6BCBB600D4609CE86A5F59EC2FE81D6E6D1B0C58EB8BE85172F2B0693",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "24CF",
-      "expanded_salt": "8C0BA56F10CB1AB23C2DDA5FF863FF06"
+      "adv_salt": "06C3",
+      "expanded_salt": "82FA854A9C3BBDE056B6A72B9497C394"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3CEF8357FA14873F1176763EBE00",
-      "expanded_key": "8A75153A5DA069EA8DEA8AF07195431F"
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-      "derived_salt_first_section_no_de": "773CECFD311DF380E395E2C637DB330C",
-      "derived_salt_first_section_first_de": "8B932A52D933CFEDB34111C57BDAA32E",
-      "derived_salt_first_section_third_de": "ADFC3A33301B614F1D2DC38FBCD905AA"
+      "expanded_key": "58BABD923FCC612F49CD2990D9343680",
+      "legacy_metadata_key": "8AF0D7807DA48473C1A2F41872E9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "726D98C1FD760A663D7D42FDCE3D0ED6",
+      "derived_salt_first_section_third_de": "7BC9BE3DC5A037B85EDC7918FE9CA6B5",
+      "section_salt": "0CF0DF09A4062B2BDE04D2597874B4CE"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "57DBF0AA97923F58816863FD",
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-      "extended_signed_metadata_key_hmac_key": "E45D10D392D035CF90039101621E8B86F56A82911133DE238A0377AB66ABAAAD",
-      "extended_signed_section_aes_key": "E2A138335C4681308A93A508369261CB"
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+      "extended_unsigned_section_aes_key": "F772889E7238B21A1AE9C6A873ECDE5B",
+      "extended_unsigned_section_mic_hmac_key": "1AF1D2403C0846A53C65CFEFECA399510EB8FF8B2827BC3DC09A4E3BE3EC76D2",
+      "key_seed": "B16DFEA1EF1DD2D2E8218CCDE75E1C9564DD0F3CA37114B251EA3AE2DD53F866",
+      "legacy_ldt_key": "B60F849BE7BE505FFD18BE13E8355653C28ACE1D7B5037B49F2520CE034C3D94B1205FACD6EAC75E2EC6653763182F725675778BA3CD565901E388C54FCBE1EA",
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+      "legacy_metadata_key_hmac_key": "AAE41A91F7E06B7D2B7651DF82F541EC046E88ECEB05BACD5D8ED98BCBA9AFD1"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "587F",
-      "expanded_salt": "D4B2B645365AC18F9281514937CC82F9"
+      "adv_salt": "34FC",
+      "expanded_salt": "7F6D4F7AA536B35AA7134DB465550419"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "8EFA33CFE561140B02E974D22BC4",
-      "expanded_key": "E1BB8D28BC0EF79C190FDFCB3F43264D"
-    },
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-      "derived_salt_no_section_no_de": "D70F01080D7DE24BB0A1FC6EA3609A40",
-      "derived_salt_first_section_no_de": "A6B20109F86E8A8D98F87EEFC895BB02",
-      "derived_salt_first_section_first_de": "4D4BC370EACA4D5AAC7DD5E7C8894D41",
-      "derived_salt_first_section_third_de": "73C53263A48B16AA47F75BFF342A2E4B"
+      "expanded_key": "53DC3233718BCECDFCFF1C5E73EE97A5",
+      "legacy_metadata_key": "3FBF16040F2DA03F217FF1EC4857"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "69A897011E01B9FEEBECEC2492EA28FE",
+      "derived_salt_first_section_third_de": "C39AD5EA45BB66E3F33722B5B1452527",
+      "section_salt": "683F40512B738AF68BE11F9105855973"
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-      "extended_signed_section_aes_key": "933B62F76BB1481B671D188553DCE35E"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BD114B91E3B9EC4D632D79E9235010F0"
+      "adv_salt": "81BE",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5404D502FEEB3165B252E292DD1292B4",
-      "derived_salt_first_section_first_de": "A8F8FF266B08D67B848CA83373CFC27C",
-      "derived_salt_first_section_third_de": "304EE503A1890BD5786F3B76556E8B5A"
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+      "legacy_metadata_key": "CAE5A5B05A59AACAF5503176402D"
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   },
   {
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+      "derived_salt_first_section_no_de": "51A2C5979CC91352A2B65CAD2DDD51EB",
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+      "section_salt": "D106015BB252C07D1F138F1FF38DBF80"
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-      "extended_signed_section_aes_key": "D3E6710EB6D67E57AD5342805E84FD14"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9CAC",
-      "expanded_salt": "CBB5AF87D2BBCCF3495B2162EE5995CE"
+      "adv_salt": "EB7B",
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-      "derived_salt_first_section_no_de": "03FFB03414CE337748A8A509C07D3D0E",
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-      "derived_salt_first_section_third_de": "E7BC511D611977CE753569D4C5033210"
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+      "legacy_metadata_key": "2678599DEC25F30C897A2C36F3F1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9572EB134A6D6443153F45BA6D381719",
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+      "section_salt": "217339DF7BCB0A653F78BB5404C8BF9B"
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-      "extended_signed_section_aes_key": "BB134E01FDA9959FB07CD5C8F9D20622"
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+      "key_seed": "79EEA4D22DC1CD7E376BEF311E04AF6F8D906CE4C2A229C48069881882813B27",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E9A3",
-      "expanded_salt": "631769D3A9FEE13000A21D877E4A497F"
+      "adv_salt": "DB78",
+      "expanded_salt": "221D255B98999B3AC05D0B5B68297FB4"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "28665BBF186FEC5995D31271ACB35A58",
-      "derived_salt_first_section_first_de": "709E81A7E10696AE645658AD44FC8926",
-      "derived_salt_first_section_third_de": "5D313EFFB7C73ACE33D74133E79E633B"
+      "expanded_key": "17CB2DDA70F5C129039DD9C6A287A295",
+      "legacy_metadata_key": "AE1C6901980307F7D140B26DF09B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "74A531B2294FD2D175840698095E588A",
+      "derived_salt_first_section_third_de": "5AB82E604DEDA4E4BC0660877E60958B",
+      "section_salt": "1FCF7D33706253A01BE1D472373AF844"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5CADF761EF26771EE075E62D",
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-      "extended_signed_section_aes_key": "07BA4EB818C6E52F9A873AF2F7853716"
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+      "extended_unsigned_section_aes_key": "15D5AC6D16DC15B3B9BE9DB755EB0C48",
+      "extended_unsigned_section_mic_hmac_key": "3FF8BF407A281A0B4E80CB95D974387ABA6D5884627F6A362CBAF05F476AF642",
+      "key_seed": "14A8FDAFE9837EE79A7DC27AC79AC32F840D45C627EB036B7D895EB1CDF90238",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "57AB",
-      "expanded_salt": "9E6BB9696BF29D56F2E96184741D184E"
+      "adv_salt": "8F1C",
+      "expanded_salt": "42C7F60536788F806A134CF33CA77EE3"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "C9B03D3E583D7858211B427536692FBB"
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-      "derived_salt_first_section_no_de": "4D5830BFA7B4B045AD97103E34F0CB0F",
-      "derived_salt_first_section_first_de": "433C55615735FFB737547BF817B8202A",
-      "derived_salt_first_section_third_de": "88C0A822691E05BDDF6E64E9F1FBAFE8"
+      "expanded_key": "D39CD535418302FAE8964B70CBD88234",
+      "legacy_metadata_key": "0E01861150D977CF1007112152AA"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "DFD4EAC36BE36501560ED6D21C3B7D0B",
+      "derived_salt_first_section_third_de": "B65E8D41DB6AFD05B01772DD5235D3D1",
+      "section_salt": "1B1821D6C50F7C44F18E32B29DE9E96F"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E4AD50DA2C33039426045A6E",
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-      "extended_unsigned_metadata_key_hmac_key": "0996399ABFCCE331918762ADDE346749578BAE5BFF810E86DEA466A1E42EFF4A",
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-      "extended_unsigned_section_mic_hmac_key": "26DE9251EB76BF73DD19872351CDEB5E34F14539ED9E10133EF802CAE52AD843",
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-      "extended_signed_section_aes_key": "29EDB9B7457A0273DE0AC6CA8F7E3C19"
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+      "extended_signed_metadata_key_hmac_key": "E40B2A002D130D6992BD4CE12BA42BE3B21223B1DDEB2B64D333C4D144663478",
+      "extended_signed_section_aes_key": "C1D7416B06A875E6AA7BA97505A5C95D",
+      "extended_unsigned_metadata_key_hmac_key": "7ABF136BCCA9DB28909107E32C85A5F4C340881185D8AA9406D7AFC7287271D3",
+      "extended_unsigned_section_aes_key": "6E110445D33743CF730C7ABBA2A4B881",
+      "extended_unsigned_section_mic_hmac_key": "57A9D6E72E03E36A210E43753C3A53D8497C86C80E288295EB54FEFDBCB5D0AE",
+      "key_seed": "A346B0E9EC41276E8E171E8640A7CE7B056036DAE88D7AD4A0BD1A38715EA905",
+      "legacy_ldt_key": "4C9AC3C7C4A913A7CB8A1A7542FC127A565E50824229D45E5F4892F1CEAF2C854992351527447FF7039C18DCB7CB490268A18823C9BA20C4279BBBDF41F62924",
+      "legacy_metadata_iv": "51CE731B3215B05B6CC4FD9A",
+      "legacy_metadata_key_hmac_key": "03B43E747BD39C4005E5622C9858E25691CFD7724FE5EE71E47D2938B8BE43CD"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A7D9",
-      "expanded_salt": "723692A472491303B6AD74BD22C1795B"
+      "adv_salt": "8F31",
+      "expanded_salt": "FEED2C70B908A26109A3E69A82FA7B46"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F694E2FA79CE90B9B03068E6B761",
-      "expanded_key": "7078B0F720591D138A36624FFB5DDB43"
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-      "derived_salt_no_section_no_de": "EE9852124043D8F71394C5B0F7FEB909",
-      "derived_salt_first_section_no_de": "4188A1DB2E369E937B743A2EAAC65C67",
-      "derived_salt_first_section_first_de": "55E6E89B06B57B020408B03FE259403F",
-      "derived_salt_first_section_third_de": "834AD69FCE8D33C234B52415F98FAEDF"
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+      "legacy_metadata_key": "AE3B227B0C4DD18B921ABDBFA347"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "77FD1F5A6EDD2745500D6D9470BB9045",
+      "derived_salt_first_section_third_de": "BF21B8156D9BA1344649F355E496FC37",
+      "section_salt": "8B5A73A1F58D32F230ECFD78DE6158C2"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D1E8A3BCEF501EF05E8C548B",
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-      "extended_signed_section_aes_key": "C3528A27DAA87CA95228D60D2220B5F7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EFDF15948A386E884DDB9BDDCB0F4647"
+      "adv_salt": "0395",
+      "expanded_salt": "9DE4B37DB2B2AABDB675F2D45D5D19CD"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "BCD4739E06D32E307C325BA72C4857F4",
-      "derived_salt_first_section_first_de": "CE6CAC820DF42740FDAD1F7854F5B5EF",
-      "derived_salt_first_section_third_de": "538A0FF280B702B8A9E997B5F1450437"
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+      "legacy_metadata_key": "218C92CB542D55B8F49EC740BF55"
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   },
   {
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+      "derived_salt_first_section_no_de": "B6C5B399277FD9C6E03B1406400DE3D7",
+      "derived_salt_first_section_third_de": "50DC477A1568CB6C470EAD9B47385E2A",
+      "section_salt": "5DB0EC56C766D0663005F27A3EF4550A"
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-      "extended_signed_section_aes_key": "B2FABE70B26B003F0F1FA8F1E8479165"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3552",
-      "expanded_salt": "793A9FE30F31452336828CA7EDBBBFBD"
+      "adv_salt": "7FFE",
+      "expanded_salt": "AB3029583E941316B279157B8D19DFC0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "149EAA6EE353AA349FE1A5F4F8712136",
-      "derived_salt_first_section_first_de": "C0E787CD95BA1244B47CF23C5BCF064A",
-      "derived_salt_first_section_third_de": "D72DE3FC58ED37D3127AC725B3927FF6"
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+      "legacy_metadata_key": "2D00E9D117E2DB7EF618C57C9108"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3FB72DBCFBB28B2617CB3397F9865173",
+      "derived_salt_first_section_third_de": "293F6CCB829807506A975B5063296345",
+      "section_salt": "D062958BAD850E7DF4D66E15768009D6"
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-      "extended_signed_section_aes_key": "7CD24809FA93156341CDFA0D273BE025"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6CB4",
-      "expanded_salt": "B006FA7695387908867D70E3ACADF6D9"
+      "adv_salt": "2AD6",
+      "expanded_salt": "5420077471456FFDE17A57C73006C14D"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "72C137829CAC977223551DB7AC763DA6",
-      "derived_salt_first_section_first_de": "EA86CCE88E6ED084F6E4D9BDEBAEE0B7",
-      "derived_salt_first_section_third_de": "D28A814578C0F28973D60E0AC25E17DA"
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+      "legacy_metadata_key": "5A91FC2B0AD783FD44B9362B2645"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DAD2951D2713385FD9291B2C901B5E66",
+      "derived_salt_first_section_third_de": "32706274E92B75F1293FE5483B50133B",
+      "section_salt": "E87E22746B9DEC77564151BE54278085"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FD568310FAE56E34B087A32105E2F6B5"
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+      "extended_unsigned_section_mic_hmac_key": "C5A0DE2649273D93E2BE3A9ECA33446F2633EF9895CB792B57B982A937CCC624",
+      "key_seed": "AEC5F53E41A00B019EDE571BC9571E6ADB9560614EEC99D7292F02841652D79A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EFA0",
-      "expanded_salt": "2FAF7F4E5C9C2C12D91957C46F7AD387"
+      "adv_salt": "1790",
+      "expanded_salt": "19F1591668F7214F7BFA38151997B8A1"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "77F4C2FC244711A9B6521CF7F1BF",
-      "expanded_key": "5917D6700B2EE6645123C219F25BCFFA"
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-      "derived_salt_first_section_no_de": "D40331731916E057568B51979255E320",
-      "derived_salt_first_section_first_de": "B974F64B843F9864E4BCABEC08DC4F3E",
-      "derived_salt_first_section_third_de": "73CC4AF55807BC1D3490E344039B96A8"
+      "expanded_key": "4C51B813D960A71CEAE1DB2F048392F3",
+      "legacy_metadata_key": "8B9335599D575BD98840E0606AC5"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "5292419A29A37CBB3900B8374D2F362C",
+      "derived_salt_first_section_no_de": "3EB5022279F6D2D6D3DDE07EB1763145",
+      "derived_salt_first_section_third_de": "34520174ADB8CF470FEE296F5C158A20",
+      "section_salt": "FFB42703E564344FBC2474D23542CA31"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "6B92C6451391A740EBFFF8EE",
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-      "extended_unsigned_metadata_key_hmac_key": "2D2CBF15895A44DD8826207109995060523D293C4FBBE88423FE5FB20567B97B",
-      "extended_unsigned_section_aes_key": "9133C5D94DA3A3A197D7B7D10D146C02",
-      "extended_unsigned_section_mic_hmac_key": "B8F47CB6A16846C22EC1208C107E8A4EC88407273D796D30E381A74335271000",
-      "extended_signed_metadata_key_hmac_key": "4C242EB743042CB10F5BD8476A08EF242ECBBFEB98FF7AB47F15C79979506070",
-      "extended_signed_section_aes_key": "D742CB505EA470F618DAF4A0D71FB65C"
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+      "extended_signed_metadata_key_hmac_key": "D1740F1C4475B49887ACBAA4853EFC8A64F87E2921816A6519090F2AB1060991",
+      "extended_signed_section_aes_key": "5DD6BB6B9991B7D702C59168A53FDDA0",
+      "extended_unsigned_metadata_key_hmac_key": "3EA1C78349FE12EA8E9664C8D86E0AFCB5DC6A0EC7433DC85E730800CC8896EC",
+      "extended_unsigned_section_aes_key": "1CDFDD172859D3AE3BE73EA5BEA19F3B",
+      "extended_unsigned_section_mic_hmac_key": "D9FF3F1D52ED5BFCCCDC5C56D797B74A48E5D9FCCFD7F485AFF6E10A503A29C5",
+      "key_seed": "34D9B17E20EF7D050AE61BE40CF37998712977EC1748C26944A9B8864F15FADA",
+      "legacy_ldt_key": "66DDA90EB849F94E8D5262E3A96A163244AF16D4AAF009EF05AB0D07B021A41388CC7CCD00A07A74A76D9D92CC309870AC1B3B4D9588C30C360F334377E5A0FB",
+      "legacy_metadata_iv": "EF6DFC36EF6B01FBF9B6079E",
+      "legacy_metadata_key_hmac_key": "612A1940AB17F952ADB6F99969A56D966075FB346DF1451A0E53CD389FE351CE"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8A53",
-      "expanded_salt": "AFF251DFDD188D886C05A56C33D02742"
+      "adv_salt": "7E0E",
+      "expanded_salt": "EE21200920721CB54522326F505BFF50"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B555C1CDFA89B98A01D05702D755",
-      "expanded_key": "6E414E2B8126EB077E770AE15197DEBD"
-    },
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-      "derived_salt_first_section_first_de": "88FDF5CA8110651F8DE86A73083F9935",
-      "derived_salt_first_section_third_de": "69AEB0B979BE41639788A07D4DECC0F6"
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+      "legacy_metadata_key": "A948307588549233417402BC3340"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B999951B8870D9B9E15599B4858CA0C3",
+      "derived_salt_first_section_third_de": "75D613BFDFF2F99EB25CEE83087054AE",
+      "section_salt": "7C4D152315F221C3E66B5985F73A0D4E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "7D33A7CC015BDBA53416F5FA5187729B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CAEC",
-      "expanded_salt": "F189A91831DEED178AF3ECB9639C617C"
+      "adv_salt": "16B0",
+      "expanded_salt": "865FF144F76045179B3AC45B06EE4C38"
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-      "derived_salt_first_section_third_de": "A4C9D2E01359AEB635E76E410A01F264"
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+      "legacy_metadata_key": "46A3C00CF881B8BF4D79C43AAA0F"
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   },
   {
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+      "derived_salt_first_section_no_de": "F5E4973ED92966CD672ACDA7F8E45BF3",
+      "derived_salt_first_section_third_de": "18C98E45F5079581C6EE80460A8BA936",
+      "section_salt": "2A33C690E4564882FB40415EE6B701A0"
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-      "extended_signed_section_aes_key": "4E799CB22F3632275F849C4899FFDE30"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B638A325A412950737612995B1CB33CA"
+      "adv_salt": "17C4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C8867B01270E8629F2203C93154ADB4B",
-      "derived_salt_first_section_first_de": "EEDFC97AED594A7B497DDFD40B357D26",
-      "derived_salt_first_section_third_de": "18C4D2AE61D172EE9440425F38480AC5"
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+      "legacy_metadata_key": "48C2F0644947D3C041F22B68ED45"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F84D019935FFAFF76DD460B7BFFA0581",
+      "derived_salt_first_section_third_de": "CF3154491375E915E67A1EFFEE1A4B39",
+      "section_salt": "5EDDFCC1902AEA3B3D5DB237B279B9DC"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "46C365BC2D302DD19809E347D6CEB9D5"
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+      "extended_unsigned_section_aes_key": "9518DD5F2F1A3942D07BCCC1F56184FB",
+      "extended_unsigned_section_mic_hmac_key": "B13983AC070AB7C1A6BBB748AE025D1B35CE07A99A36E5DACCB1BE9200DC819C",
+      "key_seed": "D1C2021D461A33D291A5E49CDA0C72D783562AB2A632F7D2357C98DB7BCED62B",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "668B82CC40BA2064E629E49092E3EDA2"
+      "adv_salt": "1256",
+      "expanded_salt": "1313B7F99FF38CFAC306FAF0CFFCB04D"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6EC076991D3B17EF521E2FC714485188",
-      "derived_salt_first_section_first_de": "2982B2990B1EBE2405DCD25BC9D89A78",
-      "derived_salt_first_section_third_de": "92C905E41B8DF146549517EBC8035637"
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+      "legacy_metadata_key": "A44ACA92556C33AF0B295267CA8A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D6F3630E11C88A83F807FA31345DB748",
+      "derived_salt_first_section_third_de": "11FBE0489D434677EE1C2E84824CE73B",
+      "section_salt": "2B1E62DE4221DA812E99363168D7FA77"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B085E918EADD5B8C1BAD48AD63EECD3C"
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+      "extended_unsigned_section_mic_hmac_key": "E2404D7F9BC405DBA8857DAFB561D8D884BBC4BBAAC48AE297FF6D96E2D4119D",
+      "key_seed": "8DDB2A36A0307F509FB18DCDC9FE88A6C313889403EF026889F99699BDDFA000",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "705D",
-      "expanded_salt": "5E56BC37F66965A620EC3FFF4E2C29EF"
+      "adv_salt": "288F",
+      "expanded_salt": "963BFA464B039E3671DB0FAF20323797"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1D297211295A7B3A53B084AF2129E059",
-      "derived_salt_first_section_first_de": "662801F5439D74BD3F9F037E90C399B9",
-      "derived_salt_first_section_third_de": "EBC8B835462BA243D7522ECA9AC66775"
+      "expanded_key": "F9AC904267B218AA4595758C9FAD4D69",
+      "legacy_metadata_key": "66CAF680BCB82CD95AEC58703961"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "EA7A9172B18C9AD0B8E070D50AED2224",
+      "derived_salt_first_section_third_de": "8EB112B29BF33B32BDA5893695D5833C",
+      "section_salt": "A73FEA8AA6764ABB2384D28770BA25CA"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "021426F5DC79B3AC806B4A38",
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-      "extended_unsigned_metadata_key_hmac_key": "BE28982AC63916393D77950431DBE3E11C6EE9FE63B7B82E00FA7D0F62BA8E8E",
-      "extended_unsigned_section_aes_key": "7E463D086A607D78E6561DC91B5D19AC",
-      "extended_unsigned_section_mic_hmac_key": "2141DD80FF2BCD593A3025B84042615727109BE41A14CCAF5C533CAF059CB479",
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-      "extended_signed_section_aes_key": "85752A830B59CF9A2BAE50A71F5C6005"
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+      "extended_signed_metadata_key_hmac_key": "962051E5ED19D58CC2EC6B5BD2D142CDF473823DD985F151E8E7315E3F1CE590",
+      "extended_signed_section_aes_key": "EBD47CEC076B145988F5FD6BF64DACF4",
+      "extended_unsigned_metadata_key_hmac_key": "CA52E084C0034DAA4157901DA8AE6EFF22E666C5945F7A59066AEA27982EF264",
+      "extended_unsigned_section_aes_key": "8E4ABE4D730BCC00A3657C9853DFD198",
+      "extended_unsigned_section_mic_hmac_key": "534B90AEED109353F7F8126E4B0DDA20EB191D98F195FB9B40B2E3D5198C9C2B",
+      "key_seed": "3A2B53D48A44AE0145362D273A4ED93F5C03407CD05AA6F90582F8D7D691F6D9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FA91",
-      "expanded_salt": "7B6BDDD93488AEF73D3FF6C8280B0821"
+      "adv_salt": "7B6B",
+      "expanded_salt": "9959170FE67AE991961EC58A588E900D"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "59E1AF04F250C1E9D2C14758CB8910C9"
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+      "legacy_metadata_key": "7DB95285167701D36C1531A23BA6"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8A262C28A4166B432DFE618BA7870833",
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+      "section_salt": "D5DF78BF1EC8DD96097147118CA8D92E"
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-      "extended_signed_section_aes_key": "590AA9227B237C0C051CAA11F2881DE2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F85C8D24D46E092978D5CF11E96AE939"
+      "adv_salt": "EDAF",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9AED27223A7473AC178C1D1197E4B13C"
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+      "legacy_metadata_key": "A7F027DEDB7131664DBA0A24DD07"
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   },
   {
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+      "derived_salt_first_section_no_de": "2C59F05700FD95F2A426240BA8C784E2",
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+      "section_salt": "0F8A39D529E532A9A6BCEE4643CEA558"
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-      "extended_signed_section_aes_key": "F871FB245A372DCF7D06B975F628E154"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "42843B9E3319E27AC5F71837B7DDDC75"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "2D0970FC461F95425AAB0CF0C177FC92"
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+      "legacy_metadata_key": "182C4751AA8AB5567C5888810EB9"
     }
   },
   {
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-      "extended_signed_section_aes_key": "1C2110D54A9B33A66B4E1D3451508BF0"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A656",
-      "expanded_salt": "A16F7E6D41448B0AD9ACEEF69BCF8074"
+      "adv_salt": "CBB2",
+      "expanded_salt": "02755CE502ACDABD1D09C9D25CFA0B0C"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AA30B1DC6140F7FE48DE7CAD73ECC62E",
-      "derived_salt_first_section_first_de": "05D1D0441EC2461BDC535C747ADCB9CE",
-      "derived_salt_first_section_third_de": "7116D91F78DE16D1E3F0874CC11D21F7"
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+      "legacy_metadata_key": "1B9E3626D8323FAB9486F8A4B9AE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C7B4DFFD2036A41BD8B7D66335CB6D26",
+      "derived_salt_first_section_third_de": "6D167EC488B8DE58CDBF1B8092A272E9",
+      "section_salt": "5F6C385368E446ADA54CDAA30C36036E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1E20BCE69D399A6265C7A14FFC1D44CD"
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+      "extended_unsigned_section_mic_hmac_key": "D072ADC65E1F5D1061AAE4894686B656BB09978F9542F0EFF21258B25FCBB667",
+      "key_seed": "EFBC7FA12B65DED095082CA14B4B623132F11BCC711164F8FF6E2985133CC98A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2ED3",
-      "expanded_salt": "ECC92BAD92B4ABB83B4746570BB1AA4A"
+      "adv_salt": "2802",
+      "expanded_salt": "EE54F574E60932F1CBB06CC67C07AAB6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6949E7D7B25107E1B3214524B90D",
-      "expanded_key": "CAB7440354C6ACFFA0720FFF419434ED"
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-      "derived_salt_first_section_no_de": "E88906B693CF722352E55AF7F973BAF4",
-      "derived_salt_first_section_first_de": "142C9CB0B165FAE8CB47699A3CE3E277",
-      "derived_salt_first_section_third_de": "3B5B481C71967E3290D25A8689665E06"
+      "expanded_key": "990134228E7A7D6976C8568B26B855AB",
+      "legacy_metadata_key": "9324B6220877D250B0A89F55E90B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6ADEB133C1394AC41910B6F933D75ACB",
+      "derived_salt_first_section_third_de": "4580ECE4803E3D825FC0A9C0CA9CE175",
+      "section_salt": "4E7AE9F1BAB8C78B270C136B0CB7CDA9"
+    },
     "key_seed_hkdf": {
-      "key_seed": "6BB6124F28B757C558D9282EF3F58906A3B27C397B9141670E3CE6F934BBDB02",
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-      "legacy_metadata_iv": "7889E9D057E9AC850D2B9D26",
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-      "extended_unsigned_metadata_key_hmac_key": "7B9501C9BA245EAAFA2361B9CCD776440C72ED877E95393FA186BDD49B6A8B18",
-      "extended_unsigned_section_aes_key": "18E227CAEB96B1DC7ABDD9445285D324",
-      "extended_unsigned_section_mic_hmac_key": "92F2DEC7B8F102E4B918DD901256EEA4D3C53C8A13092B20D045C9F3CE045371",
-      "extended_signed_metadata_key_hmac_key": "C2D1115ECA41291CA83CFC1A4082223A4B906E8B5E1E491D81918939F816582E",
-      "extended_signed_section_aes_key": "34BBA3F0972BD322CB9377EFAF990B91"
+      "extended_metadata_iv": "7964DFB9B9FBA98A4A1D77E8",
+      "extended_signed_metadata_key_hmac_key": "0E0B5100941EB22384BA2EF2F4EAAA6DB76C930037CA723C941C580314764BA1",
+      "extended_signed_section_aes_key": "8B4199B072BAEB526EB3D74A48770D6A",
+      "extended_unsigned_metadata_key_hmac_key": "15C243DBE1E434A16FB72FC6B913542AFF52B16D83938139B19E1F7E207D72FF",
+      "extended_unsigned_section_aes_key": "CF5128F56748157CD983F37DF6C49474",
+      "extended_unsigned_section_mic_hmac_key": "A422961CECF6120BC5A2B88AB3DE41628F19ABC03C39E4FD2A21ED849D5928F4",
+      "key_seed": "3EFE1FC73EB44D57BF5A7B7E932D199698DBF7E664285A35085B4FAB26CB14F5",
+      "legacy_ldt_key": "CB7B7C1AC48E8E9E02CFEC896F6872EEA02E5DB3001F9B9CB27F5BB3A5EC4EC8E38388F5D2273B4FDC42B9DD50CEF4BEB2DB78ED8033A6565B28DD3E286492B9",
+      "legacy_metadata_iv": "076F3018EFEDA16D71CACB65",
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     },
     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D9360B36D657BB61771F08D68C90E4B4"
+      "adv_salt": "F041",
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     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C24D31E13795D3BDDEC2BBF07148D776",
-      "derived_salt_first_section_first_de": "D19BA1ED07B474FDB747B53937C57DED",
-      "derived_salt_first_section_third_de": "7471606681CEA76479C862C2CA3932AF"
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+      "legacy_metadata_key": "C9589A26C645E459D8DC494F8D96"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "911EF13BE4528BDE6B83B472D05BAAE5",
+      "derived_salt_first_section_third_de": "002702F2E24C18C8B3E5E7F304CC9129",
+      "section_salt": "9B6DBDF544A09034F0C643F7A9A319A7"
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-      "extended_signed_section_aes_key": "83D8B0A31A22C0416500BB066F38112F"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "765DC6B2C5C25440C336B1C160FF6DF3"
+      "adv_salt": "FB49",
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-      "derived_salt_first_section_first_de": "FBBA8EBAEC482B545DC5247F174E361F",
-      "derived_salt_first_section_third_de": "21077B6CC168D9B3901D641948226D50"
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+      "legacy_metadata_key": "8F0E5DDE843555F11101374B8613"
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   },
   {
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+      "derived_salt_first_section_no_de": "D0A616E7898130A51141DC369C09F00C",
+      "derived_salt_first_section_third_de": "A73F19A4FB1A7B12F3EC5BD89543B616",
+      "section_salt": "D41D0432B830F386C408BC52A9FE8D83"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "70B57CEB64B0009A4454F3B4B03865E7"
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+      "key_seed": "8D126F3BACD4C3A151013D4C0803A45113CDFD81B55D6A06B3A338AA7F9C97B3",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "879B",
-      "expanded_salt": "ED5523D4B8E4A80E24331D3823530D02"
+      "adv_salt": "1A7C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "CEDD2C81C28C9822A7D128E1C4B848D0",
-      "derived_salt_first_section_first_de": "D53E6843007234A01F383B5377439C91",
-      "derived_salt_first_section_third_de": "9D3442A0AA5E79CEFEC9A653E603F525"
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+      "legacy_metadata_key": "860272D0D80BAF43A7B6921662AC"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6982CF1841BFA4FF2F830A7036EB90B3",
+      "derived_salt_first_section_third_de": "3972F8208E7443A258F4FBF6A1DF9FEF",
+      "section_salt": "445B4383935A29BC4F690B1CDA4B72D0"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0D077C382F0AAD3CE92595062E65F816"
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+      "key_seed": "77477F98D6E1D466CB72D6566A93871A24A5BC667B8E0313F2C000D005598E75",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0F9E",
-      "expanded_salt": "EB80A3E942C298245C7380EA019A767F"
+      "adv_salt": "DFAC",
+      "expanded_salt": "6708F11BFC50DCCBDAC2F32463EDB851"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6718DDAE225C12E8D31549B38A26",
-      "expanded_key": "FA7354238D0252AF4D8D29A2FC4D6989"
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-      "derived_salt_first_section_no_de": "D95A2CCE8618F4E257502D8A7E9BC937",
-      "derived_salt_first_section_first_de": "7F44A4C87488E77AECFA5137048B6C44",
-      "derived_salt_first_section_third_de": "ECED42DD6CE114A201F05F447EFE7AFB"
+      "expanded_key": "E6A3539E8ECD401BC9E2CE9FFB934E50",
+      "legacy_metadata_key": "8D5432D294441240C62D1DC46771"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D080479C5312243A064C5D251C2803F9",
+      "derived_salt_first_section_third_de": "980BF06F97332892BFF296DAEADEB24F",
+      "section_salt": "F7F27BC621361C4C097BC1AB8CB9DB91"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5F9E84A78828F33777533BBD",
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-      "extended_signed_metadata_key_hmac_key": "FCAB3ABADA25E79C8446610498D84B2765EAA67F91646048B22A927FF70ED05E",
-      "extended_signed_section_aes_key": "3C02F514B3BDD5D84428D87A10408FF0"
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+      "extended_signed_section_aes_key": "735261345AF661EF61FEE4713F7DC634",
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+      "extended_unsigned_section_aes_key": "DE03392422AF42DF70796A22D1FB86F4",
+      "extended_unsigned_section_mic_hmac_key": "6C2738D8238D40362AFFFB35064BA7F9FD0D43C972AF37B86BB729425DA77388",
+      "key_seed": "D2C81B78618CC9B2EEE9F880C045C9CE22D2FD14B9634F354C4FB606A0B320DD",
+      "legacy_ldt_key": "46F8B1F3C3D7E2A5E2E1DBB7972BE00EC4057FAF91EEF1A9C7CDA3D0F8EC4C108EE6EA4ECD147D8463887B158EB11F3E7702CDC375F7DC024EFB26B04CFD9553",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "684B",
-      "expanded_salt": "F2A28F22201C8A6278C5795CFFB2F4AC"
+      "adv_salt": "BC6A",
+      "expanded_salt": "C4DD48082E9D7D6B4833BAD907C95946"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4201A104DFC103E7DAE215CB8F34",
-      "expanded_key": "15C8BF625CCBED58BF318F9201D0BFF2"
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-      "derived_salt_no_section_no_de": "91DD174592BCEB41915643B532B8F2B9",
-      "derived_salt_first_section_no_de": "2CF59BB4D5E1A02B0AEC464B290733A6",
-      "derived_salt_first_section_first_de": "CE1629790B91D3098070ED4593A74FAA",
-      "derived_salt_first_section_third_de": "9E182825A9BD1C4297A65E5131767631"
+      "expanded_key": "794B9C874572DC5CC8106E70E7220511",
+      "legacy_metadata_key": "7C4BCE8BBC6CA1BE330673FC8F6A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "F2B8578C41EC48AC2B6D978512EB5791",
+      "derived_salt_first_section_no_de": "39D9EAAEE81A166725CAFE90AC753869",
+      "derived_salt_first_section_third_de": "F052DA461CF33CDBC5AB46D9A0A9CD6E",
+      "section_salt": "E6B8B2FF3F380068726E1AF5E23FFEAE"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "93A01E0DAC47AFC1A18C9F7F",
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-      "extended_unsigned_metadata_key_hmac_key": "F16D733B7412C45519D7D9D355EC037E00DD50A612AB62E0C553D9A198937E1F",
-      "extended_unsigned_section_aes_key": "580307D0E8D1114F5E02FB83AEA66AA6",
-      "extended_unsigned_section_mic_hmac_key": "6C526570E517981359FA34AD9D3A81726928A2806CB42CA3DE900CC289455944",
-      "extended_signed_metadata_key_hmac_key": "8539D642778A60E6C0A0AD83E11ED966AFBF727F18085AA6F7AA58381AE0DAF7",
-      "extended_signed_section_aes_key": "CB0BBA33845FD42136C526B39684E68A"
+      "extended_metadata_iv": "CAB18A42241E73ABF5CE3275",
+      "extended_signed_metadata_key_hmac_key": "AB9C3E3A5DF318C5D9B982F400937E96C1489C5DF3C42E76A872BBC15287371F",
+      "extended_signed_section_aes_key": "7ABBC1BDB5A96768835C09DA1E2CCD20",
+      "extended_unsigned_metadata_key_hmac_key": "CAC763345E49282AA56F70FC7FB035D083DB24C8BB74572B58A5B4B1D56F5CDB",
+      "extended_unsigned_section_aes_key": "CF7740B0638C73E07127469C90802ADE",
+      "extended_unsigned_section_mic_hmac_key": "7B6664546123442E60332E5527F47A5486CC28507DA37AE0C4054B9CA3AF3228",
+      "key_seed": "35C349A3B7A930441A7D93FB31711DDD4CB03C5116A779DBB21F5A4DC3EB118F",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "41A4ADE544DE2A53D5DE8E26002D0854"
+      "adv_salt": "DEC6",
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F316FFE7ACCBB9742D6DDC0C23B0",
-      "expanded_key": "C325A2E48E3027442463A1AC445A1F70"
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-      "derived_salt_first_section_no_de": "02FA2FD69B6FE04CE27E37E518E79BD6",
-      "derived_salt_first_section_first_de": "33CD93D14135ED6C5C8CB0C4BD5C3BC6",
-      "derived_salt_first_section_third_de": "962A6F466D1AAC3D1A9C22C26D0D4B94"
+      "expanded_key": "EAEA7F3A5A857C760CAE2956919C6514",
+      "legacy_metadata_key": "3DCA390EFDBD1EEB8B2567F19FE2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "94370557F8BFDE42B293CE439C5D0EC6",
+      "derived_salt_first_section_third_de": "ACBF03AB1C5169453A64533BB8FE689A",
+      "section_salt": "E83C479BB3E4971B70EC24A2A7BB27D6"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "85981252EB6F40E06E7ABF15D8DF9934"
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+      "key_seed": "950AB34E4E434F1C54DB76584366C66D39CE747481F88BDA2E4542D4F7F5DBBB",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1D12",
-      "expanded_salt": "F6B915DBD6FC4FBEF2274BDF13A7AF9F"
+      "adv_salt": "1026",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "0BFFED510AF6B6B91C12496548C361BB",
-      "derived_salt_first_section_first_de": "880E90F757B3EB3143FD89A2981735D0",
-      "derived_salt_first_section_third_de": "0E0B2C8FA52FFD2D7AB306AC7EB70998"
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+      "legacy_metadata_key": "E641ECECFD3F00A5FAF45B22DD38"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "28962296EE667B5CB4888BC48E78D2D2",
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+      "section_salt": "C32CB577B6145DD16838122B0FE3AA90"
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-      "legacy_metadata_iv": "F7ED32B50BD17625AAE9108A",
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-      "extended_signed_section_aes_key": "FCB4BD6C79F9468D37601CF703A1E61B"
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+      "extended_unsigned_section_mic_hmac_key": "CBC764B7088655F6DCB53D9F21A4C2F549402B8526E4DFE1CCDFE91D33D2A3E1",
+      "key_seed": "5B51B8A183A4843DC00DEEE8893B61C402A9CB349F510CD37323AFD4BE556B30",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FF33",
-      "expanded_salt": "9C50F2A3BAA5CA1433D1E5524B3E885A"
+      "adv_salt": "B27E",
+      "expanded_salt": "871239D9C5A2101CA8BDF937CD361166"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4FA904BE4A55785034D9BF6F1405",
-      "expanded_key": "E01D09A9AB57DFBEDB9BE558A79AC82D"
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-      "derived_salt_first_section_no_de": "01E805377BCD04D542E9155E4018868C",
-      "derived_salt_first_section_first_de": "2C93475C9BA82BDAE46DBFC121802239",
-      "derived_salt_first_section_third_de": "2C579355F9FB9BA5ECC83D11AFD056AF"
+      "expanded_key": "D5729316A6AC298D0A6BD7C7F150E977",
+      "legacy_metadata_key": "74876CFE57AFC7E61A80D725D9D9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DA1E1B7D594757EB66AAAB2590A22F08",
+      "derived_salt_first_section_third_de": "DECD577CBB03E2868C52984851596DC4",
+      "section_salt": "716C1901B12829667E969E5DBFA80F86"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CAF2CEC60DDFBB803BA51857",
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-      "extended_signed_section_aes_key": "CE3D5F08EEC70973BC37CA6C1B012AD2"
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+      "extended_unsigned_section_aes_key": "131331AF31B65C8F3925EA2F0190B9F8",
+      "extended_unsigned_section_mic_hmac_key": "E96D8233A2694185B4BF1168DA2F0D97A7A8303CA4AC440112C668FC71C4D85B",
+      "key_seed": "AB61343CBC4F8968CD8D174A9066A9FE280E6EC7E44CBE5796F3F75A5AB657DB",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "853E",
-      "expanded_salt": "A28B38241CBC98FFA2B983100A2EF9A9"
+      "adv_salt": "B026",
+      "expanded_salt": "B99701B77425E7C3D680C7A08548A5ED"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "394727A88D9C6BB865DF148B78C8",
-      "expanded_key": "9C321F0376EB9AF85AACF301625C51D7"
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-      "derived_salt_first_section_no_de": "2C2C17996B6092BED7490C500D5F6825",
-      "derived_salt_first_section_first_de": "12CFE57B57096967E9152321644B94C7",
-      "derived_salt_first_section_third_de": "F9DA4D7F6AFC491EA755B62F6F246B44"
+      "expanded_key": "89457131480419A3904FF46E3DE9EF2D",
+      "legacy_metadata_key": "7B0C58F556000FD31403CC27F28A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F6F0D0279C7FE347A3E446997B3AA1F9",
+      "derived_salt_first_section_third_de": "A5E82C8EBA7E6EBA3B883CF595BDF260",
+      "section_salt": "3E793664D60CEE430DBB33701C5B417D"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "12CD794B58F1F3C6254B6F38",
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-      "extended_unsigned_metadata_key_hmac_key": "F110B18AC117D37F2F8E2FFCAAB327F971200C05919575DF4AA691D6417DA1ED",
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-      "extended_unsigned_section_mic_hmac_key": "4C1DA803D7E5B9885BFF350F02F1D73EAECE3852F4D0C26EF1AEBFD551655F71",
-      "extended_signed_metadata_key_hmac_key": "BBC9E48C5CD25EE7E9B6E426CFF156C6620402E38AF08CCA2858BD03661A3561",
-      "extended_signed_section_aes_key": "A64D33B5125CBEF95B29270E0F62CEFB"
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+      "extended_signed_section_aes_key": "50D6A3B3C875E4BFF08EB90E3BDF40E3",
+      "extended_unsigned_metadata_key_hmac_key": "6424BA2B00841230622824FB8BB4E494A247E0AA97949271F3C014C233ACAF45",
+      "extended_unsigned_section_aes_key": "67CA6B9E635CD41660A35B86CB219FB8",
+      "extended_unsigned_section_mic_hmac_key": "FF897F402E546ACFBBB5E1E8BE4BD9E84512A1B28ED1896A55B20CCAC64B5399",
+      "key_seed": "C9A6C953AFA14828B388451E5E9E67B9F81A616CD74F5775E81E56E695F5FCFA",
+      "legacy_ldt_key": "A73CEBC3EBCB8805E206E9D8F7EB70C6054707D9D48D6A9CA8B57298C8A49237A58A7D4F3410740313D19A287B251BBB8B4F5286C7D9206C861CB319F6469287",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C8CC",
-      "expanded_salt": "3BD28418874FF1AF44748D8F5B0B9EF3"
+      "adv_salt": "2913",
+      "expanded_salt": "C23ED4617E6385F09ABB61490620C399"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "062EE915BDDD43E7DD71D2BF1939",
-      "expanded_key": "50C0CF70F4052FD846CFEA12022EF2A0"
-    },
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-      "derived_salt_no_section_no_de": "5E5BCCD745264BD85B7B4AD24A74E406",
-      "derived_salt_first_section_no_de": "CF8315D94341D44D240040034D4BDD3D",
-      "derived_salt_first_section_first_de": "F89BBF0F12ECA04D4C2614B388E984C7",
-      "derived_salt_first_section_third_de": "55AE5CADA6BC0D14B5EFE9C781876764"
+      "expanded_key": "58083950EDBA67A5C03A246E5598EB80",
+      "legacy_metadata_key": "CA0FE8512773B3368DF5710009EE"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "60382F073CD4ACFEB8C8759BD0A59BE9",
+      "derived_salt_first_section_no_de": "58630E197CA613570A41085EF2A28E9F",
+      "derived_salt_first_section_third_de": "9A0E768AC0C674F7DFA899AD8EBBCFA9",
+      "section_salt": "A868D3478728CCB6F81F45F94F488214"
+    },
     "key_seed_hkdf": {
-      "key_seed": "7884ACB0DBB8595800C8F8F0F8A09FED276A1A3507832193076D512CD9A6F872",
-      "legacy_ldt_key": "08FA8B456B40EA3FF5BCAD02006AF808918C01F0A38E347F639733039C2CFB1F31A00D54A4E2A75023EBDB8350DF1600333A7CABB3444BEEA805D58BACAB58F5",
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-      "legacy_metadata_iv": "4CA7A0605C85C1C83E89EAF1",
-      "extended_metadata_iv": "55DCA407DA6EE2703770FC88",
-      "extended_unsigned_metadata_key_hmac_key": "8B04B45DBBFE847A21FC616746E3E08F0F56C033FBBFA9A4F0013AF5F1CFD764",
-      "extended_unsigned_section_aes_key": "CF2F2C349220E84570C1DE2B6C28FE85",
-      "extended_unsigned_section_mic_hmac_key": "B5768C0BFB5440D8097348185655F746BE23186C91CB2C713CB092096D79189F",
-      "extended_signed_metadata_key_hmac_key": "BD96AC5D5530D51C3E4D60C76F52D0974E3B416A160F15162291574859641A75",
-      "extended_signed_section_aes_key": "83D2467CD7E118D1F46062FB49ADD0B7"
+      "extended_metadata_iv": "5D2B268B3A7D3EB8B76895AE",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "38541C07E95B1B91704E405083E6EDE4"
+      "adv_salt": "E6BD",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "40181C927F57E8296D7ED31DA7750116",
-      "derived_salt_first_section_third_de": "4C1D38312F13791A23E2E1230BCEDC41"
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   {
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+      "derived_salt_first_section_no_de": "DB8B897C45175839E1C4D34156CD49EE",
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+      "section_salt": "4A41BD2AD2FDDF367E1749BE64AEF0EE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DB7C4513F4F9EEEBCF297FBEF0538AED"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "F78A7232E3EE5A325C1E3846FD26FDAC"
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   {
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-      "extended_signed_section_aes_key": "84F9297BAFA56A831570DE84ABE278CD"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CFA7",
-      "expanded_salt": "C20584D45319F9B02392B3FBC91DC3E9"
+      "adv_salt": "6A8B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "6DF4808C2BF4D7B6D4FC2021EE58AC9D"
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+      "legacy_metadata_key": "C65CB9FD8427C9E863A334B9698B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BFDE6AA7284D4F15A074F5C64D1E07C4",
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+      "section_salt": "C3BFDCA9722E69FF20AE48664D3C019F"
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-      "extended_signed_section_aes_key": "A4A0C2B8CCA002F40D3D7B551DCBACAD"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6C60",
-      "expanded_salt": "ACFB2F2890C6287743BE01C5C6B3B8F3"
+      "adv_salt": "2B7D",
+      "expanded_salt": "5DA4C51365500EB6E057476D9D0719C5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A9E940F0BCAE73DF3CE69FA3BAD2EA94",
-      "derived_salt_first_section_first_de": "B90DB9DFA83A58A5630C296C1D79346B",
-      "derived_salt_first_section_third_de": "F07287A33EB436970BD2F993A56512FD"
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+      "legacy_metadata_key": "147F3D5C90A6EC46A7D2CF435021"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CEAB736EC940F6B74DE64799A0398C50",
+      "derived_salt_first_section_third_de": "32DA2BA8F9260FA4099C32CDC0FC1E50",
+      "section_salt": "5FBACE14F875DAC01968634B969DF1C8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "66D637ACD6AFD715D6DEDB060CF81EEC"
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+      "extended_unsigned_section_mic_hmac_key": "3F628487D6EDEA4A08FF9876AD0950BEFAAFE2A6820DFBB8C9536162B2560068",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9AE1",
-      "expanded_salt": "5C8017E90B97F2EFD1428D6C3136038E"
+      "adv_salt": "3A02",
+      "expanded_salt": "F08B2DF517B15FDCD7E9145B2C2391DD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6C5FF925327F98CF3FA73CDC401D",
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-      "derived_salt_first_section_no_de": "17923944D30B1C18E8BC14968EC3134A",
-      "derived_salt_first_section_first_de": "9050C3C75FB2BFC62962AD5F0F07073B",
-      "derived_salt_first_section_third_de": "C197BAB71F2306B413955B243DDF68B7"
+      "expanded_key": "2436762DF223763A270C2E778A9B00A3",
+      "legacy_metadata_key": "06E1A67D74D53CF3D3617A99C909"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "BE62C97274A2EC9E5C45B7F45150D984",
+      "derived_salt_first_section_no_de": "65CC47ED1010DE7B08E6B7B2186A2EA7",
+      "derived_salt_first_section_third_de": "83D49107459381FA000DEFD67BF4A595",
+      "section_salt": "114138DF36C76083854BB714B4C8B964"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B6DE8F5CB631EA9D4068D285F1C9B8EC205364D3916F027F3EBB75A027ABB4CC3B25789F0FD2BECF8BC5FBC153D26BDA6FC51EC77BA11F3640FF3518FABE9135",
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-      "legacy_metadata_iv": "E0CC612DBA8ECC06DAFF1BD5",
-      "extended_metadata_iv": "B1CDF0E1B7AFBFDE625EF8E8",
-      "extended_unsigned_metadata_key_hmac_key": "61B06363ED56A619F309B4E5E07E28D7019ECC463C54814581B5A1CAE0F6BBFD",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4E69931A8CD35BBC1363D3918A9D5B88"
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-      "derived_salt_first_section_third_de": "AA424D5FEF962086FE2285F58CB41426"
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+      "legacy_metadata_key": "CAD581EE89C5F36E8FDBECB016D9"
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+      "derived_salt_first_section_no_de": "6718C91262B7644B34121321FE34D059",
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-      "extended_signed_section_aes_key": "6A0330F6C7394364C372C5130CD93B8F"
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-      "derived_salt_first_section_third_de": "18A75A883A9160107F199704B2037400"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "38AA4686FF6175E4162E9877C0A917EB"
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-      "derived_salt_first_section_third_de": "640EC93B8CC3AA523D3DA20506C9790E"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "804545852EB752600916F96E4AD56ECC"
+      "adv_salt": "2FD7",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "16FE605458D7ADF871A293DA228DA38C",
-      "derived_salt_first_section_third_de": "624FB0F65493B7658B2BD3F0C82ED37E"
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+      "legacy_metadata_key": "1DE96707D88455FA5E9491D0B9C2"
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   {
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+      "derived_salt_first_section_no_de": "AB10AD34850FD5F89F343AEDA9650E16",
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+      "section_salt": "852775E2105AB1CBF9414BF256FE343E"
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-      "extended_signed_section_aes_key": "E5D293E40DCB0BE7E280AEAEA95239E6"
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+      "extended_unsigned_section_aes_key": "258D31A2B30619605290F1C97530D0C1",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FDD7",
-      "expanded_salt": "7C7555F73C532B9262DAE36926B06973"
+      "adv_salt": "991B",
+      "expanded_salt": "BD5FB4EA088670866B6F5F7C1A3B2EFE"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "8F195C3B2FC0991E7E9E848BFDC8A9FD"
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-      "derived_salt_no_section_no_de": "E542134339FA7DDBF2C7791920E578C9",
-      "derived_salt_first_section_no_de": "CB3681981307F264D16A2B09B24F569E",
-      "derived_salt_first_section_first_de": "402501B70D87BB422B3A5C8EA9186795",
-      "derived_salt_first_section_third_de": "1F600AE30BE425F1CDF3226CDE15BDFC"
+      "expanded_key": "2E5F16F4FADC1D356AF1DC43193CD712",
+      "legacy_metadata_key": "50C67774E39CFF18D2E1A3B8B802"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "34D77718975EE507E061DAA330E55ECC",
+      "derived_salt_first_section_no_de": "39327852E2D21E03787FE1B10B450C00",
+      "derived_salt_first_section_third_de": "17178575F195E41C9B2EC7205E7E3288",
+      "section_salt": "C8B1A7A527D12554D9E518D8DDC25933"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B52C8A2F2FC4A8DEFBD5F63891A1FAFEFA17DE30198BDDF2AC60E152D1EF2238EA127234E2F02AA3D014D382E98E0DFB0371919645F4A8DC0B86EE9F812DF3D9",
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-      "derived_salt_first_section_third_de": "123E6AD630599FD519BFDA31F5F3B11C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "7324518BD2A55D59DC971535C997819B"
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+      "legacy_metadata_key": "45692647930BBCB3782D93EED0D4"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "3160F31BFEF5FFA2B2F8AFA6AF36B6E2"
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+      "legacy_metadata_key": "4A8FA15178D7B99AF20B8AE77354"
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   {
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+      "derived_salt_first_section_no_de": "41E7F1F00D4104EBE5C2B9DA4CCDD631",
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-      "extended_signed_section_aes_key": "1DB64602E4CDBFC39ADB9CC35AF210CE"
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+      "key_seed": "45A15913CD7DC94D8C6C65ADE96A30CD0582981060C3FE8F56DE39D99ACE2A2A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "637D",
-      "expanded_salt": "EBCB020043C502890A0F736F0530E5C0"
+      "adv_salt": "EA32",
+      "expanded_salt": "41B7ECF23E5996AAF31BC72EFE993A25"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "CDF2D06C28700C1880BF562DC37C5449",
-      "derived_salt_first_section_first_de": "3D1805FF33318C33C8888123FB6B1937",
-      "derived_salt_first_section_third_de": "44CDF32B2F0B9299495415E206B953E6"
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+      "legacy_metadata_key": "7D2A1502A5C092BDE633677D4349"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A0E0B4C45DC67E04118BF22208A99EB4",
+      "derived_salt_first_section_third_de": "72CFB58BA3966EB5B29E88738CB1C0AD",
+      "section_salt": "22FC6DF9467B950394BFD713DC169A4A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "01ACCFA4D0CE52F666E29BF3C74F6F44"
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+      "extended_unsigned_section_aes_key": "F1DE281A4494B14FAF523A71137DFA8A",
+      "extended_unsigned_section_mic_hmac_key": "A3EEDA1EEAB1D765189605741968667F0BD4CE9CE70F5338FA524A533290B27B",
+      "key_seed": "AEA547399DC33AFF20783BD55EC21C4C91F9C9592557F45C575800867F16AA92",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FDAC",
-      "expanded_salt": "9382EC7E9C8742AB997773757951C5B6"
+      "adv_salt": "825D",
+      "expanded_salt": "BB7806CEC80F399B0BAC4332C0F14B13"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B98A46DCCEF8D34A09EF29BEDA71",
-      "expanded_key": "48DED2033836E004147B8AE86E1FD93B"
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-      "derived_salt_no_section_no_de": "1AB8FFD19F1E70FF2456AF9E47755DA1",
-      "derived_salt_first_section_no_de": "44C06E3C068373D64484E2931BC26A42",
-      "derived_salt_first_section_first_de": "29E6A9C996E2DF3CC5BB120FEF1328DE",
-      "derived_salt_first_section_third_de": "CCA13736BE0AE0DCB007CBD388DFB0EA"
+      "expanded_key": "EDE1B479ECD684483B7FE197AC3367F2",
+      "legacy_metadata_key": "2087665EAF906E62D684AAAA9B48"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "138F645DB6ED77D3EB16DC4F59D7B79B",
+      "derived_salt_first_section_no_de": "FD989A7D25F7C6171E25419594809D50",
+      "derived_salt_first_section_third_de": "B94C5040D410F07BE463781B4DF403DB",
+      "section_salt": "FCBB77E91A26927DAFFC57DC35421507"
+    },
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-      "derived_salt_first_section_third_de": "C67B2E7E61C1BBB122212F1F723D9334"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B85EF1E0E23CAA1B1BE36529A2D2EA3E"
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-      "derived_salt_first_section_third_de": "C8B1B07B1010D94899D289DC39BAC5D9"
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+      "legacy_metadata_key": "9D13C08438562124E1ECF4025F5F"
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-      "extended_signed_section_aes_key": "49CFD75599D77294EE3275BB4A7EF103"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0F4FBA5D03DA7E7DF18E764320F1E583"
+      "adv_salt": "B46F",
+      "expanded_salt": "1A59EDAB60C5DCF490D62190470799E9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "FED82B34EBD42A787CECFCFB5D29F273",
-      "derived_salt_first_section_first_de": "16C457C1C186F5BF5F92EEB1D17FBAE7",
-      "derived_salt_first_section_third_de": "08C73C38168F9CB5AA87144FA7C43D8A"
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+      "legacy_metadata_key": "A80D30766BD7D18AC8B020D87903"
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   {
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+      "derived_salt_first_section_no_de": "147673CE46059A733CD9088E6B8C114C",
+      "derived_salt_first_section_third_de": "C75CE06106DCCA750198EF64D5D33040",
+      "section_salt": "8433265B5CF933602996D454F394FF6A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "19ABA2039467412C4255BB35",
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-      "extended_signed_section_aes_key": "E710A1B4C0EB972E0ABD81578ACB1249"
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+      "key_seed": "3610E9AA063892CFAE5B65B1C71E6D6EE334739BBDE8CAE77A71C01901054199",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9210",
-      "expanded_salt": "D682FD09BA9F4D9EEC97B5EB343FDCB5"
+      "adv_salt": "9E93",
+      "expanded_salt": "5C3A819D5549C9F49E2C5139F69A140C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5B06FCED021B2D5D5BDFE5735EE2",
-      "expanded_key": "B3F7B1BAC8F6F13B2A8E2F08B9E5F335"
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-      "derived_salt_first_section_no_de": "4E859B69416C175BAA9FB0FEC7DCBC66",
-      "derived_salt_first_section_first_de": "BACAECA4E1E91A5C17780299D8166F58",
-      "derived_salt_first_section_third_de": "1FCF8FA7632CBE32D9E95D28C72D4482"
+      "expanded_key": "77BF57D0784A38CD7B53A355509F42DD",
+      "legacy_metadata_key": "B841F0E1491D3E05066B14368221"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "745DCAB67888D01931EC407838F55269",
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+      "section_salt": "92056C75C51E75D8FBC28BABE20DCC0D"
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-      "extended_signed_section_aes_key": "4E7085597754A9D304B84DC9FF6FD307"
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+      "adv_salt": "225C",
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-      "derived_salt_first_section_third_de": "2932E7C6F05A3879EC7113FABAEC4D77"
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+      "legacy_metadata_key": "F0EF319B65FC94B3155AD26500C8"
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   },
   {
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+      "derived_salt_first_section_no_de": "CFAC07EE17854CBBF4D140D9B571D342",
+      "derived_salt_first_section_third_de": "CC922A416F02674D93681E2EA125F460",
+      "section_salt": "6B74EDBE3C059BE600A9DB67524B4FD1"
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-      "expanded_salt": "91D7A4449D3CD6BE2A6A656A0A4E868D"
+      "adv_salt": "75B1",
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-      "derived_salt_first_section_third_de": "05D4FE3231469F27A0B49ADBB6F80396"
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+      "legacy_metadata_key": "A121CB6D8B4140CB4207108B1117"
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   },
   {
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+      "derived_salt_first_section_no_de": "23F75219F5DD3924BAF5EB56D9B8A814",
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+      "section_salt": "48816FDA5E2E7C177118677E4F7734A1"
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-      "extended_signed_section_aes_key": "37BF8FC2ADA4FB1712D18CD0E4786460"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1494524D2ABE3EDDB9B07B6E1556AA7E"
+      "adv_salt": "393D",
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-      "derived_salt_first_section_third_de": "6109E213C53042367C8FD02A1C30B124"
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+      "legacy_metadata_key": "35B417B6075927598A2C6E7D1A6B"
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   {
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+      "derived_salt_first_section_no_de": "7B16BCC1DE8DFD005B86E3C412994DF4",
+      "derived_salt_first_section_third_de": "1945D641000AB46279BABC0AA5BC173A",
+      "section_salt": "D4382ED1E681DC09B22188D3BE4E7952"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "8D5015368E312B3D1E42B7A0A6B4E0AD"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "304A",
-      "expanded_salt": "CE31A6FAC7C48FFC6DEADFFD7F151D55"
+      "adv_salt": "CA66",
+      "expanded_salt": "9997254CFC412A7208F7D9BFF78C2F5F"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FA0EC5E148414EFCB1768A32DB50",
-      "expanded_key": "DE05807284833187218123152EFB466C"
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-      "derived_salt_first_section_no_de": "98C1882B914E623C4F9CA2F5DA67F90A",
-      "derived_salt_first_section_first_de": "EBE7B70FED039F59BCE2CD36F747E409",
-      "derived_salt_first_section_third_de": "D61A71A7F6AA07AD16BF5730B2476686"
+      "expanded_key": "AA8A1AFF88AABE322FB4860B449F7FA8",
+      "legacy_metadata_key": "BD4610B149E8AD40967EAB2CABDF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1F8C0DA9E32884E5E7EB0531B19CED17",
+      "derived_salt_first_section_third_de": "1B880DFEEDCA5DD72A4BB2943193E982",
+      "section_salt": "449A212A43C0DBB5BBFEDE46D43904B2"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2EF78D39F38D02576F015C3E",
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-      "extended_signed_section_aes_key": "995294504CDD0925BC79C8BE6BCD6804"
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+      "extended_signed_section_aes_key": "942EE8A42A74857CF242AD736F6031BF",
+      "extended_unsigned_metadata_key_hmac_key": "78B00C02C454A640BE5050A4A2156046855B13A0A646F35F600F6927A8986ED7",
+      "extended_unsigned_section_aes_key": "9E721A19735BD2D3536C645808E42B75",
+      "extended_unsigned_section_mic_hmac_key": "205EC8A277995073B4A636EB6A32514883061C2C1E4A693784ABDE7E82328070",
+      "key_seed": "E53871C5A62543F3887BE3FE9E789D51851480E359CA0E9370FA3A26588B913D",
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+      "legacy_metadata_key_hmac_key": "7614A78500E0DB40EE29148B1B51A9B9BD518DEF79820869082CEB2324EE3530"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "31CC",
-      "expanded_salt": "3454BCC391B499700510DDA61A77032E"
+      "adv_salt": "9655",
+      "expanded_salt": "DCDD520328546DB4B3BD1C29D5C6B11E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BB847D458DC4B1DCE2181D2B0D04",
-      "expanded_key": "9B45B6EBE399CDFB6DF6B42F7CD52467"
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-      "derived_salt_no_section_no_de": "A5A6206798B93649D2107EB7C64393D3",
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-      "derived_salt_first_section_first_de": "ECA711D7524139E70D1BCC1C4A80F6F6",
-      "derived_salt_first_section_third_de": "90459C32364B6B2ED9CEB01757A42459"
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     }
   },
   {
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-      "derived_salt_first_section_third_de": "E60F7B032CFA6A30731E6C90C9EA4FD7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C7A74342FC657ACC1AB27E3029981A14"
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-      "derived_salt_first_section_third_de": "D76A67CD0BB5900590AE5446BAB6CDDA"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "140E9B8B4D718CC8A939F08FE69F7F45"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "36A50ECBCAB3A9886B09C658FFF07157"
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+      "legacy_metadata_key": "B86E830662E5037135F37B258B4D"
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   {
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+      "derived_salt_first_section_no_de": "12A44B15EE9F01210066BD49D0F12786",
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+      "section_salt": "A0314333A8F7E39DA310B4A9C09333FB"
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-      "extended_signed_section_aes_key": "6CFFAD5C3F4FF447E6E3D7D65047FF71"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "96790DF45833BE2B87751B23BE83335A"
+      "adv_salt": "1913",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "0EEE02F5A1F8D2D02CB4F5E380FE8F61",
-      "derived_salt_first_section_first_de": "C6BAF4A125B986114BCEC6DBE5B1D750",
-      "derived_salt_first_section_third_de": "91CC3EDEBD03C4F4AACA584A5F3C139C"
+      "expanded_key": "DFFC1EF8D2B99A7D8F9F8A68EDCF35F5",
+      "legacy_metadata_key": "3AD76D52E303F0B58E7E2B8A6914"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4426922C03540488B7F2B43702E09A79",
+      "derived_salt_first_section_third_de": "F2948A39B57853167971D5F519F90277",
+      "section_salt": "9C915B966317E56E41A8CC7E4AFCF5BA"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "8EA561BF1ED3269FB2ED1203",
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-      "extended_signed_section_aes_key": "69687BC388B7827B68C17E097A0BA8A0"
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+      "extended_signed_metadata_key_hmac_key": "CE9AFC8233F6261AB59169F6A64849AE598A46FA0A0F4FAC507711F42D7FAD4A",
+      "extended_signed_section_aes_key": "2FC0C7369DE8795A2D32B007A28A2ABD",
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+      "extended_unsigned_section_aes_key": "C4830A877E7EA1BD7C25651449537762",
+      "extended_unsigned_section_mic_hmac_key": "4EC25B14968546AEA93E5A11C941A633F307985DD2584D8CB0BA0C0D82005692",
+      "key_seed": "829951F9C94FA2775428516882F0CA6C70AF2ACCCD582809CA572D24ADDA61A1",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "96C1",
-      "expanded_salt": "46634E315681F360E4077C6AD9DCACE1"
+      "adv_salt": "B73C",
+      "expanded_salt": "0E5AA4FE2F20A6ED5804B637D449D62B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FEEE4C2DA755697D4E3808E267B7",
-      "expanded_key": "9DDB1092D317AFE152EAEEFDF9EABB74"
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-      "derived_salt_first_section_third_de": "F6745FCAEB26FC701F22C58AFFB97F88"
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+      "legacy_metadata_key": "EB64E49265D3154CE2866B27B18A"
     }
   },
   {
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+      "section_salt": "0B5DB592107D7CE6026D589D5171277B"
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-      "extended_signed_section_aes_key": "6DBD3007CBC9AD3FB2BBEAEB231D0047"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7AEA364B93454EB6D3472D875BD9D487"
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-      "derived_salt_first_section_third_de": "36A5F903E55CDAA320E1DD50D3A577A0"
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+      "legacy_metadata_key": "BFC23E82535E2234995CB37A1E4A"
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   {
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+      "derived_salt_first_section_no_de": "E8983A040D334C43773A277FE3E2402D",
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-      "extended_signed_section_aes_key": "5B06F3FA03E585F247B1A1E6CEFC574E"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "83728C1F07179015B05037A37DB39387"
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-      "derived_salt_first_section_third_de": "0E53F6877B9DB28BB5CD5F4C5551F9FD"
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   },
   {
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-      "extended_signed_section_aes_key": "98BB42806C744A0663986330A516FAF4"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A0D906B34C7FC8F8D1B9644DC53E9673"
+      "adv_salt": "192E",
+      "expanded_salt": "B8F009B88F56DE38F23EC8FF5CFA9FF0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B7C9F92259340E6B06FAD976095C2983",
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-      "derived_salt_first_section_third_de": "06C56785E5337087041B2D38BF2E33E3"
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+      "legacy_metadata_key": "9538AD7C7FE0A8099E8214A48409"
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   },
   {
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+      "derived_salt_first_section_no_de": "0C07F7FD0EE529CF6DECFDD0B15FB818",
+      "derived_salt_first_section_third_de": "5B487DD4C5A497D2529EF74AEDBDD902",
+      "section_salt": "18146D1C6CF30C42BF4C28814BBECF83"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0E78719490677AB4AF509A35AAF2B333"
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+      "extended_unsigned_section_aes_key": "D913CAF0FBA679E1970F02A49E26FBB2",
+      "extended_unsigned_section_mic_hmac_key": "C411E47F3B360FBB6CEBFD97E09DFC6A1DB28CDA126ABA719879D6FCB4AC4F65",
+      "key_seed": "4AE7F0DE3F419D595424546E57E8246F0E6039C9916201C1F67271B773519AB7",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "176E",
-      "expanded_salt": "5D099E7C841C8678276BB97A6746A7A1"
+      "adv_salt": "5928",
+      "expanded_salt": "65F56FFB3FC0B36E43220A14D3C4FAF6"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "361ADE5CF5EFA833FA6381934B817BF5"
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-      "derived_salt_first_section_no_de": "B8961035670D0FBAF8FA854994DDAE26",
-      "derived_salt_first_section_first_de": "1E82EF15EA2DB57D61F118C501238448",
-      "derived_salt_first_section_third_de": "00DECA66DFE57244B7DB7F79121D4DC6"
+      "expanded_key": "515211338C7C638F3B769E3ECE5BD74A",
+      "legacy_metadata_key": "8CD16FA6AE6EDADAA7341BDA440D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "5C1AC324BB8116D319D5CCCC31017082",
+      "derived_salt_first_section_no_de": "B556C9AD71E0843A1F1173FA818DB371",
+      "derived_salt_first_section_third_de": "0BBAE54429AF447910C887ABE97BA297",
+      "section_salt": "E051E13F02FD5587EBEBF26EE186DBD7"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "65F7617B88403E24833E70B0",
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-      "extended_unsigned_section_aes_key": "51E6A36385AE6544E70724816ABCE24B",
-      "extended_unsigned_section_mic_hmac_key": "73C08F59C9DF046C312CF66A6E901EF4B81139D00314F1202346BEE56B48ACD3",
-      "extended_signed_metadata_key_hmac_key": "197EBE59F2DB7EDE7306AFDCDD508BCA94C2C6D048D61F47AD94C1C0DCD83DF3",
-      "extended_signed_section_aes_key": "7249933A7E1FB53DEDE54A6420C6B5A1"
+      "extended_metadata_iv": "06CF947314F3894D51CD544B",
+      "extended_signed_metadata_key_hmac_key": "51A32A7503CADA1755D56FCA9C996DEB5FB627E386937DC322400E363D51BBDF",
+      "extended_signed_section_aes_key": "4C1DB38BD2D03A9965910E92600A1C54",
+      "extended_unsigned_metadata_key_hmac_key": "332A0E6969C7561674F661DF3521B43881F26561F33411A187C03E1F7D8F070F",
+      "extended_unsigned_section_aes_key": "4B61327D08AEC345646314A452FC8AC3",
+      "extended_unsigned_section_mic_hmac_key": "471C5F2BC129C72E6178B33E3976ECA34C6CEB7195CC72279164CD7FD6A311DD",
+      "key_seed": "6544631C431B7FC2ED5A8AD5E60BF6307DA9F473812733AAE2E48FCE70E00794",
+      "legacy_ldt_key": "588CEBA6D170CD8832F883B6AF7DECD1FF9B19A0EA5FB0A0876EEDD719B3C3E1CB698494739585C6D021A53361A1792E8B44FB493139689BC54238E006C86ACD",
+      "legacy_metadata_iv": "2EDA0D941B70846CD6067241",
+      "legacy_metadata_key_hmac_key": "FC978AD8BCD36BE7661F2414C0DE0677C13E19E1FD0526AA5537E7E585E9E198"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AD11",
-      "expanded_salt": "34DD0F3637A399B5C48F9BA969EA376D"
+      "adv_salt": "2040",
+      "expanded_salt": "006605FB8F3537F2A85001FFFCEC63B7"
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-      "derived_salt_first_section_third_de": "2067AC15AD81BFA5E22B3EC2E90F9DBE"
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     }
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   {
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+      "derived_salt_first_section_no_de": "502671F13C60ED583524474C669D177A",
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-      "extended_signed_section_aes_key": "73DBC454FC5A5809A7A7D50402C741CC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D94438D64CB4B9A9AF16A4098188C46B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "ACBC000EF1708A0942BFBBECA965CB39"
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-      "extended_signed_section_aes_key": "29EB872B5F7A0570468A8D2C0DE010FC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DB8A9C691418E3AAAA1D57772FBA7B00"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "1988BE6C9E164715D1EFEEDAB83E0016"
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+      "legacy_metadata_key": "A85B5C22A63480C9D850D0CA2606"
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   {
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+      "derived_salt_first_section_no_de": "D4D655E8957452CDF8472C832E1EC728",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D3A4",
-      "expanded_salt": "C9DBFBF997229ECD828618F24BCE5380"
+      "adv_salt": "1BA4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "36102F9995697EBE61A422EB32F2628B"
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+      "legacy_metadata_key": "006E2DFDC71A9C875990E192D68B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0048DAB177167B086B10C9ABAD3D8F4E",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2E69A635F8871B228B9D2BA6D6B1CF48"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "722D",
-      "expanded_salt": "2FCFC90AFEB508E0072938C72ACB75EE"
+      "adv_salt": "E4AD",
+      "expanded_salt": "D1F3D5FCD2CEDBA2B63ABC458B64A088"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B346A07F8D460CF1D77E01159059F68D",
-      "derived_salt_first_section_first_de": "3D5292B2322F0F619D98503AA3C6F20C",
-      "derived_salt_first_section_third_de": "2B9D03E5B23F7223EC5104E32267C41B"
+      "expanded_key": "13343BB596800021E811AC507D28BAE6",
+      "legacy_metadata_key": "124C9D5D67779B470D7D9E2DA90E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F85A15B41C5291539AE27A453D228471",
+      "derived_salt_first_section_third_de": "7FA9B2FE21C8B6CB1EA695EEA2DA09E9",
+      "section_salt": "6190F14C0FEB95ED82F1B8518321B2F2"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C1185910572DC7C6A3B83DB0",
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-      "extended_unsigned_section_mic_hmac_key": "96B156A97AE0A42BAC1AC88275478B39FAFAFFFF44BE12BB29B10A2C629F75EF",
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-      "extended_signed_section_aes_key": "6B3C27BE706A68DA1448B335F0E52A57"
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+      "extended_signed_metadata_key_hmac_key": "B194CDF67BA484238EBF47F5F860F0C4746E115F006999D8F1790B16FB24C2E3",
+      "extended_signed_section_aes_key": "AE5086E34BEA33FBA04EFF28F8B8BC8A",
+      "extended_unsigned_metadata_key_hmac_key": "5F92D58658F8F5D051CDFE89906A997825E373C77BA23416AC92E67DE4895851",
+      "extended_unsigned_section_aes_key": "A633511AAECC061214470D8B2A829E23",
+      "extended_unsigned_section_mic_hmac_key": "859EEA555BBD7953911422225EFD4BD36FA521A3A6B0CCEA62E8BC60F7EF8211",
+      "key_seed": "C48F53EB106466FC846DD87CD5E1D97507A8D565951555A08DCF06B934637897",
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-      "expanded_salt": "E7F08BE4BBA29808931762658CC88132"
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-      "derived_salt_first_section_third_de": "9E673F1751076E9F9183DFCBA08CEC75"
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+      "legacy_metadata_key": "998F97E64C8C8169781E5D06EC88"
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   },
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "37DF37037BE47D50B183954793487BDD"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "F79D85E120F508745D55E5161159BB01"
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+      "legacy_metadata_key": "F8AD874933E522025AE53B2243EC"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EDE8198A6E383BC16BCBAEFDEB34DF7E"
+      "adv_salt": "E320",
+      "expanded_salt": "8BE1CD20569866BD42893342C108DCCB"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "00C1C74E6EF360C8770625DC60F46CA9"
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+      "legacy_metadata_key": "B4BECA6143EDA509B64B9AD0F28D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C95F257CF81098B6DB4A706C1971C142",
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+      "section_salt": "93DF255AD4C9508E7501BE8574459E9F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2BB7B4BA47A3761C70EE6DBA3260A3B8"
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+      "key_seed": "989F441D581AFB2B9CA2F8A367EDD626D6B03BC7C5C416CC92EA0CEED39E6694",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9A8D",
-      "expanded_salt": "EF5B5BDF67ED992BB31303DE5332EC40"
+      "adv_salt": "BE5E",
+      "expanded_salt": "4E7695F87A09736F441B540669D54478"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5F9219D4A9EC083ECDFFA8BB5C83A4B0",
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-      "derived_salt_first_section_third_de": "7ACF4DB8DD4CE85B70D384EBC1FE4F0D"
+      "expanded_key": "FC5C82B2687FABF140F3A28F2080DCFB",
+      "legacy_metadata_key": "E96994A8D2F76BF530456E0B3491"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D568A4A9664E1A735B00D66A72F826E3",
+      "derived_salt_first_section_third_de": "68DB408FE5B41FB777EA2AB4E0491B3D",
+      "section_salt": "5A5E09A387EC1BE79B95E78B82807471"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A718AC8C3A297DE1E005C09AC3C76B3A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "45CE231B9288FD5A17E61390078EFF19"
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-      "derived_salt_first_section_third_de": "F4B87F2A9934CFFE07503E2A9482966F"
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-      "extended_signed_section_aes_key": "6013A625859D363AB5EA77A8F42099A8"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "486944D9F989758B6FE41EA9B82AED93"
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-      "derived_salt_first_section_third_de": "82C10A69FD63199438451288506B7765"
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   {
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+      "derived_salt_first_section_no_de": "C8B3ADF9D59074710F79AD3B9A85C3A7",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "976DFFFEFF4FFB85085CC075B4C992ED"
+      "adv_salt": "B876",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "BC62AE3EB200EEED1DC0DBD3B815B756"
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+      "legacy_metadata_key": "268E6402B42BC588215FEF297E0B"
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   },
   {
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FA090950FB0F6001D885998210B8A519"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6DE9",
-      "expanded_salt": "2AFA76FFBA4A293412E74D8D88D7F098"
+      "adv_salt": "5126",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6A295AC93FF45561AA7F195E279E5F94",
-      "derived_salt_first_section_first_de": "F9D852A727C389112A0DF283B6ABF21A",
-      "derived_salt_first_section_third_de": "5BE26D654B856AA23D54898420DCC01E"
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+      "legacy_metadata_key": "EE60C491B63077A9D9319A85A3CE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2AA79878442792FA2919B5602D17734C",
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+      "section_salt": "EB6CD681EE1AFDD8E39F6D2AA8563F04"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E04810015A9AC1E09FAB8FADE9E08105"
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+      "extended_unsigned_section_mic_hmac_key": "C889F05AC89363B833AAD38DB1AD491BDC52A23DABAF887A9CFA0207F260F8C3",
+      "key_seed": "C1C969BE62E82D2858C2E1E9A2D57F48826882D93E0E42F046E008ABC0CCADFD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ED12",
-      "expanded_salt": "87F2CFEE5FDF00C0E8676BB084C21C6F"
+      "adv_salt": "72CF",
+      "expanded_salt": "DDEF5EC476F6E7366EF2C3CD400616C1"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1B7367D4D0B55E415F1CD86AA3ED",
-      "expanded_key": "32245C6BA5EDED0C4CC1FEA790873F90"
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-      "derived_salt_first_section_no_de": "8B703977829100B9DA8104A3881A5C3E",
-      "derived_salt_first_section_first_de": "A1F6F59FBB145CD60953E255C6C3FCCD",
-      "derived_salt_first_section_third_de": "9F6B404836A1BB1482A5EDB4C0710B55"
+      "expanded_key": "CF9790F8A9CD37870632A42B2583AD7B",
+      "legacy_metadata_key": "1390B5D30CA0EDB76C8FCC2361AD"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D30D1D523D8036BECDEB960CD96E51A1",
+      "derived_salt_first_section_no_de": "DD153F85900181B118D7A58FB4C8A237",
+      "derived_salt_first_section_third_de": "7C7E645C19F79C63259A34B8AF6FF594",
+      "section_salt": "DEA5997195147DFBA62DC1BBC2B1C635"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "7814537E2F03434586CA7D51",
-      "extended_metadata_iv": "CC7F6DB74ACD6DE91E2E988A",
-      "extended_unsigned_metadata_key_hmac_key": "2C832EF0A65286DBEBF5CC4B479370D617125B9F2A888902CF591274CA0D5753",
-      "extended_unsigned_section_aes_key": "1EDDEB8C9A0319CC90C143DE053FF333",
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-      "derived_salt_first_section_third_de": "D09B554D48209DBA48E42B33851978CB"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "D8766F8860B0EE9D85FC0F7204B37845"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3FDA022D00BB312170C4B19447FC5406"
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-      "derived_salt_first_section_third_de": "A5DD992611F3BBCE9B47E8C262C7BE6F"
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   {
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-      "extended_signed_section_aes_key": "B7C64525BF4598521BBCD57A101E2A84"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CD22ACE05B93DC2C85D8DC5F1AB1F1CA"
+      "adv_salt": "43B0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "25F4A4158CA7F178323F3EC296B1DEB3"
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+      "legacy_metadata_key": "0FA3E4E4673723FD0A82FC6F46AD"
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   },
   {
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+      "derived_salt_first_section_no_de": "6DD6009F53B489CC558B7A682976C19E",
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+      "section_salt": "FA831DCAEA0F98329E52E1916751AD8A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A86737672C354A86144118723CF5AF53"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "71EA",
-      "expanded_salt": "FA5431274FD6C7CF43A9040FA898273C"
+      "adv_salt": "C2D4",
+      "expanded_salt": "98C79169C86359773A21562709ED5D3D"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "29B9146E4DE4AD265DFFD9F905CA",
-      "expanded_key": "A531D0516A15FF852D03ACF3C1F87F47"
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-      "derived_salt_first_section_no_de": "858E023F60B5B3978F87835F55ECDB21",
-      "derived_salt_first_section_first_de": "A09073A855E8E153701A678BA17E0DE4",
-      "derived_salt_first_section_third_de": "13D206689A6B796814E4BC931A5EDDEF"
+      "expanded_key": "57109596E983C200F37DA207A2491542",
+      "legacy_metadata_key": "4AECAEA239E73FE980773FDD3416"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "47C3B3C47F01DE93EBE890E0261D3AEE",
+      "derived_salt_first_section_third_de": "545E02813A3D57376A1D0360E5DCAB07",
+      "section_salt": "BFAB3C8BCC8E1A9CFF2228844D7CBBB9"
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "0F1801B2EBB50C04348A3F69E8B707F0"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "42C40CFC8E1297570416F2261551EE63"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D61BCDCF5258DC2682015306CE3D58B9"
+      "adv_salt": "BADA",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "81CB1920ED9143288542FE8AB4B40F75"
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-      "extended_signed_section_aes_key": "91906D7E4AB787DD1EB5CC3ECC0FBDE8"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AA0E",
-      "expanded_salt": "B42174AF05DAA7B7B1AECFAFCED7A28C"
+      "adv_salt": "58B2",
+      "expanded_salt": "4EB0FA57E827E1DC7300800876330E96"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "EE22C5072F59B97E401B04B31BA089BF",
-      "derived_salt_first_section_third_de": "982082BB2A31DC733EF1201345D17FB0"
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+      "legacy_metadata_key": "69E33EB162C3488E8E44229C2178"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6098FA0F264816D1C4EE9EBAA56FA2AA",
+      "derived_salt_first_section_third_de": "659F9323D093CFC14C25BFEEBCFD830A",
+      "section_salt": "198B0FBA32987825821F3CAB6EE3CA54"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "6A31717123721C3A5EAE0739",
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-      "extended_signed_section_aes_key": "14AC766D39F9AB56CA2862B045FD7C0F"
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+      "extended_unsigned_section_aes_key": "CABB17FF9E58FA042ACA3A7B54063096",
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+      "key_seed": "FE1A07747B667C44A275E8E1EADE806E0CCFF6B2DF03417E7E87AC56B9C8468E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E3B9",
-      "expanded_salt": "C6EAE0FA582053D3F57C0F1F35765A6A"
+      "adv_salt": "BE49",
+      "expanded_salt": "E7AEC5CC908529129EC97E97EB626634"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B45010CF836A2B79327EFC86C9B4",
-      "expanded_key": "D656680ACADD01658218E3991CA43E3F"
-    },
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-      "derived_salt_no_section_no_de": "328AE9A16AC012D3D46BA666A89D0F04",
-      "derived_salt_first_section_no_de": "EDA7133C26DDD2EFB5C03D32DBE2D208",
-      "derived_salt_first_section_first_de": "8AEAE68D503985C025C4FAC1CFB3FB2A",
-      "derived_salt_first_section_third_de": "B1BDFF4F7DAF21978734193C84B3733D"
+      "expanded_key": "7FFE7185539BA82C5A80CC1B5BA407E6",
+      "legacy_metadata_key": "014B5460C3F8C34E69F16480542E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "0370CB555C350D011FD441D206A686F9",
+      "derived_salt_first_section_no_de": "95BBFE3127A18CB6AA2D29E384D79639",
+      "derived_salt_first_section_third_de": "CADA534D547EF25D8D03E2747D83CA2F",
+      "section_salt": "98C74AC779A80CD9CF0335A18FFE53A4"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "7E32102A0FB9C6C6C4CCFC77D1003149"
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+      "extended_signed_metadata_key_hmac_key": "735453A75528AE7DF8EE9780ABD55A56A0FB026F04AFEA2692B8A74EF8436E4A",
+      "extended_signed_section_aes_key": "3770E2763D27707656EDA9DBAFF9FBAB",
+      "extended_unsigned_metadata_key_hmac_key": "B3C29573E15DFCE3658FD0CAD224B796CE7538819A3CAAC1B383E37E39FFEDB9",
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+      "key_seed": "05733212C2B84CCDAB0DFA3317DC31C848215CEE2DB0B3A919FF588DC40CD900",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2BDD22E5BCC771ACA4A08CB1993F7D5A"
+      "adv_salt": "4306",
+      "expanded_salt": "BFC177C289C97EB7B14583A0250A20F7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1E4E269D17069C2DDE1EE70B6D3DF7F9",
-      "derived_salt_first_section_first_de": "A8AB3976B90683ECD70D6E3AC5EAB47C",
-      "derived_salt_first_section_third_de": "4EF09F9DBBEC08F17E91A1D50FD49BB7"
+      "expanded_key": "744FB6119209E8D831FF752F8034FAE2",
+      "legacy_metadata_key": "1F8BD7BC99EB1FF5F00AD333F5DB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B2FD002645A63B34D4E79DFB55813C4F",
+      "derived_salt_first_section_third_de": "1E4B95AD61CAEE9C71DED4967A8BA0F5",
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-      "extended_signed_section_aes_key": "1B2189A21E9B0275EBAC14903214A21B"
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+      "key_seed": "AA0B8F6E36A268A714BACACFE6EDDD8A8A939589449E47D7377AB048553898C7",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "98A7",
-      "expanded_salt": "C6C18C0417F9796297B3EF4EA6E67BED"
+      "adv_salt": "ECCC",
+      "expanded_salt": "F019D7A687CEA0A118D35BA4E23A5E51"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "96F8FFFE8FC1C4389778445220803F15",
-      "derived_salt_first_section_first_de": "98A5AFA564499AF62916B6AEE0F6D0B4",
-      "derived_salt_first_section_third_de": "965559524EB6A11C10AD329D5DBE1509"
+      "expanded_key": "8195091124EC51DCE96CCC9BBA73BE10",
+      "legacy_metadata_key": "6843CB5CBBD664E1725FACF59672"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8EBC708AD4B7A762DC9BE00AE1587840",
+      "derived_salt_first_section_third_de": "7B8292B3436DCB7338B91B8C6907AD89",
+      "section_salt": "A16F15FBE8012DC04AA2377C408CB2CB"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6D0E95FDEDF124B5E423BE51D8119FE2"
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+      "extended_signed_section_aes_key": "8438ED38FEC9D5D64DEEE4D16396B8F1",
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+      "extended_unsigned_section_mic_hmac_key": "ACAD448C85013E6AEEC73C5C57F88F33E3739AEB6C01020CE91CBCF1FCD81F52",
+      "key_seed": "576CCF501B3C837ECE4236734DA5132BDAD20F0BF208E862C8DF34019989F7FB",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DB80",
-      "expanded_salt": "3F030DA25F3375AEBB5D29146F21366C"
+      "adv_salt": "8E68",
+      "expanded_salt": "D91F8F4FB375A1CF77C859E945A5E7E9"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "BAC706AE55271BF9B687D9C5194B8D95"
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-      "derived_salt_first_section_no_de": "BC43F5E3CB0D1298C087D96F17117E85",
-      "derived_salt_first_section_first_de": "731AEFE14A535A1C2D4C33B460A5796D",
-      "derived_salt_first_section_third_de": "62B37C3F12759ACD36166480C6121543"
+      "expanded_key": "5D9F1241F805357AA7E49F393B0B393D",
+      "legacy_metadata_key": "EEDE3EDB9DE73F43D7426C756633"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5E98FFB8D7EA34A7A297631DAEFAFA37",
+      "derived_salt_first_section_third_de": "2364EB8F2459DD2540189359FC120336",
+      "section_salt": "AEBE172BE923729BC624A91E04855B93"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "910C649F6390070FD99F42F8",
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-      "extended_unsigned_section_aes_key": "76DEA122AFA6A3679F57CB3FA32C6257",
-      "extended_unsigned_section_mic_hmac_key": "D69B41342C8CA62FDCF1A55C7681F14C072400931837DEF0FE45F06AFF900B48",
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-      "extended_signed_section_aes_key": "F1764B366A958CE5E35165B9B9C31796"
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+      "extended_signed_metadata_key_hmac_key": "5C85F3C4003E058A725F02FCCB5867ACC70A637DEC739F442A63554382A4C737",
+      "extended_signed_section_aes_key": "ADF5655739C09675AEFAF1F5DD0104B7",
+      "extended_unsigned_metadata_key_hmac_key": "015C8CACC5B34FBD72C5F76BDBC1A07AB60952FB8DEFB39E87C4227143DED046",
+      "extended_unsigned_section_aes_key": "4D9FDFC29913CA31785C7DB40D597CA8",
+      "extended_unsigned_section_mic_hmac_key": "B2AD29373B6DB430E75A02205F9B3FC82D95F7841E06CFAFEF63439F2E5A9847",
+      "key_seed": "996F1BB28F9CA3BCBA3D39D255A18946674FCD2AF863013B8871B10FF6498887",
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+      "legacy_metadata_key_hmac_key": "7DB7976965D74FF72352EE13790D58331996778E7696F56B7F7C535558BCF0ED"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5E0E",
-      "expanded_salt": "0BDE4E33BF81C21C041099B274BC8FF8"
+      "adv_salt": "8B63",
+      "expanded_salt": "2BFE7D3D427A5F8665693CA4F8580EB6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FAD68AAB304384463E67B3B21D6F",
-      "expanded_key": "5BB9D996E159EC704D83056B5762918C"
-    },
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-      "derived_salt_no_section_no_de": "4558F6BE39A4CDA99B226E062C718C54",
-      "derived_salt_first_section_no_de": "573C4060A4508B2AF5386874BD3006C7",
-      "derived_salt_first_section_first_de": "D066F4D7382B37EF5954B26ADFCB7159",
-      "derived_salt_first_section_third_de": "8BE237A65FCB7362851DAB958B0779BC"
+      "expanded_key": "72000767BE1AA79CB9F630564E7672CE",
+      "legacy_metadata_key": "3F7286FA7378D90431A161D9F9FA"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3B5B3E89C3EDD385035BD593D1C1D259",
+      "derived_salt_first_section_no_de": "5AB4E1DF9475A7CFC63F79CEE2B8CC6B",
+      "derived_salt_first_section_third_de": "FAFC17134B2ABE062A083A1DE090B9DA",
+      "section_salt": "70831F5E14EECDAD8D92733CF5F4FE68"
+    },
     "key_seed_hkdf": {
-      "key_seed": "C1FE0519A393D712A7733DBE15481BC778BCC9351CA9D3B0E82A0DCB87EE85C0",
-      "legacy_ldt_key": "FE5AA43CD10529ED520BB925AC10070F2AD18D1FEC4217417EE7C850533F60442FED25BC4C23935477B930D0702961942BFC7319901E6099362D4D272CBB9F67",
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-      "legacy_metadata_iv": "BD8347B45F52CDE0D6B991A3",
-      "extended_metadata_iv": "587946397DC1B9BB0A841DAB",
-      "extended_unsigned_metadata_key_hmac_key": "24766E9CA137B20CA4F04670C448D04353E49AA2F68AD514879F8A2997F1483C",
-      "extended_unsigned_section_aes_key": "A8146E4F20E5883C1B51F8E23108AD20",
-      "extended_unsigned_section_mic_hmac_key": "AE0063B9EBEA4F2255B64588146E9109BFBF64D558C5B158B89554F852500C5D",
-      "extended_signed_metadata_key_hmac_key": "7BF2A76516AA2D426AC0748D38960E9CE3FADEA4D14866B3379A3EA45E6D86EF",
-      "extended_signed_section_aes_key": "C5811234588714BFD7286DF387FCCBEC"
+      "extended_metadata_iv": "34F974177DC97D3554E0D8B9",
+      "extended_signed_metadata_key_hmac_key": "01CAEC892D66C2E777CBCEFCA92DF8273F553495FCF87B57962F94623D19B758",
+      "extended_signed_section_aes_key": "9D2B486C1638AB5280648D3CD7B317D9",
+      "extended_unsigned_metadata_key_hmac_key": "C7CC8444840A7E076A9844802E15FC3C38218C2A38B8AB834DA4402AC262D464",
+      "extended_unsigned_section_aes_key": "B6F83BF808C7BA79D4646FE050C424B8",
+      "extended_unsigned_section_mic_hmac_key": "48F41113BF70CD841F6DC2402C42AB8035400F202E2B6CFA44B4E560AA7E01DE",
+      "key_seed": "543BB908743719FBC741F96498D72D2FE14A7ECBE4C133D2EB334FFD7C8911BE",
+      "legacy_ldt_key": "1D8B5A7057689245099934E1B7976A1FD03DFDDF29B7D8E602C73983D8E455573A4A387D9232D2732B0F6D8F28BD27356CE31053F46535A456DEA97313E2A171",
+      "legacy_metadata_iv": "2B9E97E5207EFB2562126137",
+      "legacy_metadata_key_hmac_key": "91F689E917A732E6D3710694DDB8E9CA1AF099087516B1DA58245A72DA1046F4"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1224",
-      "expanded_salt": "51070845D600A39B4280A624C3E6E79E"
+      "adv_salt": "CE88",
+      "expanded_salt": "5C45615C22BB8F853C197C9A846A24A9"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "57F99A617166F15D4BB8A4214511",
-      "expanded_key": "C97127E069982C95A42346AE7D9A3068"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "864A6526FB7092845AB38F8554E6A9B3",
-      "derived_salt_no_section_no_de": "FBCD68F9B80081EC221EDC2881C278B1",
-      "derived_salt_first_section_no_de": "902428586A60436A4AB2CEB94FFB4470",
-      "derived_salt_first_section_first_de": "CD8047B0E28937419472EC89708DD564",
-      "derived_salt_first_section_third_de": "CD1F2BCE73E56D588D15292CA387B3E7"
+      "expanded_key": "89FDB284A31F6C8B16473F0790CC0433",
+      "legacy_metadata_key": "17D04155C532B0DD1749D1858706"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4B2F9CD359DF4297BF068E5571DFA784",
+      "derived_salt_first_section_no_de": "65F06F4CF72FFF0CC9F3CBE9BC095B7D",
+      "derived_salt_first_section_third_de": "E9EBED3D52DCE91F1FCBD274DAC06EDE",
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-      "derived_salt_first_section_third_de": "13635ECD88C5DB7E73F7419B19AAFF0C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "C386C7854C3E3C69E498D4C12AF321A0"
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-      "expanded_salt": "26BFB0DFBCC9DFFFB43DFC0BE5FD21CD"
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-      "derived_salt_first_section_third_de": "D05FB532573AF5EB9C9EA5E0E4FF892C"
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   {
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+      "derived_salt_first_section_no_de": "BAD558F31148B799C09D351B3AF4774F",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BE64BBD328A1ADBCF2DC7D4E53100D52"
+      "adv_salt": "6241",
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-      "derived_salt_first_section_third_de": "CCB7CFE5500091B342B3253544958EA0"
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+      "legacy_metadata_key": "9AA6225C8268F2A13BEF0ADB57BF"
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   {
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+      "derived_salt_first_section_no_de": "3963C046DB8BD79E88F0C4A5EE395E71",
+      "derived_salt_first_section_third_de": "AC7B9B7423D79C185278DF0F53A964AE",
+      "section_salt": "C09475A92EF79C8C0A81AA7FEA5B5953"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "773310C5A06458E9C624FFAC2308CB9F"
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+      "key_seed": "DA213F88A8DA178A70FE277A65BE6E906381731277EF3D1F56B7580E18A7B1B5",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6735",
-      "expanded_salt": "C9ACED42F3E224D74B86FE9E4E85BBCE"
+      "adv_salt": "8467",
+      "expanded_salt": "46FE6687AB3D5C87CDBFB30F83F14314"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "713162500CC16FCAE15B2EE2AC98",
-      "expanded_key": "755EF6867EF3BA33F646714CBE24BFFE"
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-      "derived_salt_first_section_no_de": "3ECD312BFB59501340068955B818AC8B",
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-      "derived_salt_first_section_third_de": "7C1B5219E078BDF472350CD9F793C483"
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     }
   },
   {
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-      "extended_signed_section_aes_key": "56EDB2BCD3887250B3CEA656511FEEFF"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AF2733C8461BEA272B459E98F9F8037E"
+      "adv_salt": "B174",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "B78D4233702379238A7DE36E3F1712D9"
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+      "legacy_metadata_key": "69D0B31DBD1700310E300EF36F41"
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   },
   {
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+      "derived_salt_first_section_no_de": "461583F9C25DFF4048E9574FA6AE366F",
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+      "section_salt": "138B5C309DC86A13FD938A5ACDACABCD"
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-      "extended_signed_section_aes_key": "4D3B6EEFB97B1235C4B842A521D5A265"
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "CAEB3F680E6BAA7FAD41041F48299AD4"
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+      "legacy_metadata_key": "B8661B5E66B2C713A55A2DCB231E"
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   {
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A04B",
-      "expanded_salt": "D15636ABC244D727092930AC00660D8C"
+      "adv_salt": "8B44",
+      "expanded_salt": "525359E205A64D020490280B4FCFB1C0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "4D6E77A6D5083D9F87C715B4A049853C",
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-      "derived_salt_first_section_third_de": "B9EE29C5B26CE60446BBA89CD08BF5AF"
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+      "legacy_metadata_key": "C00D1F7DE1406ACCE9783A2F02B3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F8C7D430305DE36E492BE9EC4DB4D284",
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+      "section_salt": "33EE9254949C5F35A73C8C445C44FB96"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "135329A853BD5000B1122FEB",
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-      "extended_signed_section_aes_key": "458C84D2515D13209D243146BB330451"
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+      "key_seed": "3BD4809DEA0A392E8DA645DEA68E96F8638B1844D8C189571C4C3737710ECF16",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E048",
-      "expanded_salt": "C9620D0E8CB73D74BEF74747C96590B0"
+      "adv_salt": "7FAA",
+      "expanded_salt": "BE849D45ACA2286752CCAAE19EC2B8B7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "0520FE52658E9AEEA6F75C61B509D0D7",
-      "derived_salt_first_section_first_de": "2D70AAD2C82251698976403196CAEB36",
-      "derived_salt_first_section_third_de": "9682A3FDF6662D2CD26A81F6AAD15407"
+      "expanded_key": "18988CFA292EE0B71CC6BD572BAD4F9F",
+      "legacy_metadata_key": "2439848706F18EA3C4E6F5746F80"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "AED00366A25AABE1A312A65C1B710547",
+      "derived_salt_first_section_third_de": "FA70B644A7993C95C85F85A65DBD64BE",
+      "section_salt": "7A28E1C8F7E5B2B64952EE912E9B210C"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C3B5D25EE0B3A830BF4B7E7C",
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-      "extended_unsigned_section_aes_key": "FEA0271A4E78EE4729C93A4811A4E5C6",
-      "extended_unsigned_section_mic_hmac_key": "BDFA0C905454C7BEEC91FCD6E3A67CD9BF0DC010E6ADCD266CC0A52BF90B174D",
-      "extended_signed_metadata_key_hmac_key": "3F2ACB929D61CF2543873452E96396A18B917E69EC41DD04FC80B76FC16C3BAC",
-      "extended_signed_section_aes_key": "273D8FDD527D0741144D3D286761E1CA"
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+      "extended_signed_metadata_key_hmac_key": "02ED38119A2EEE4A2050596DA22FB24A6DBF57D40067423CC09866CEC5A406CC",
+      "extended_signed_section_aes_key": "9CBC54CC7B5912ABCF4DC5BA7C7A97FA",
+      "extended_unsigned_metadata_key_hmac_key": "4AB4E268A14660CD1960D1AAC076818EC656A64B830FFCB02BCC0D11BCC8D42E",
+      "extended_unsigned_section_aes_key": "3B0BE73C8FDD6E592839A3D5DB8CE270",
+      "extended_unsigned_section_mic_hmac_key": "E10222C663A30FBDDD943AD124990010C830D1403710C3343584F7B7D2CD1816",
+      "key_seed": "30CAE6F20699E3A34354B5F0A2BD3F720D4120DC0D67435D8617635A79DD522D",
+      "legacy_ldt_key": "4F608FE6BC0C279897BE86C756FDBCA486B2533BA4FEF960E7A0B935FB093A1EDA14F982951EB0A420DF66C842A2E10269A7197B934C14288A919B16076927E3",
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+      "legacy_metadata_key_hmac_key": "BD66522F8CE4BF8754175E16A0BAB8B7C08B1465E58F400B13C60014132EDB95"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B684",
-      "expanded_salt": "036296EB15374EBDF019719CC5632F82"
+      "adv_salt": "6391",
+      "expanded_salt": "D8E31B6C3EB3735AE052F32CE0B5A6AA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A4A647F8236453F28DF23465E9C6",
-      "expanded_key": "E94264B105E27488CC39CC22A4739C8E"
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-      "derived_salt_first_section_third_de": "60BD2C565710A5A17D6CC695E75BA745"
+      "expanded_key": "D461D0BE8C93F1D881200843EDE71165",
+      "legacy_metadata_key": "D21F8F578CBFADE486D232DC933D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1D1AC97F3AD140C4092910EC508AD667",
+      "derived_salt_first_section_third_de": "ADF4743F43482953CC9946F76C9798DE",
+      "section_salt": "E929D2EFBEF47465890F99031B9CBE52"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F59D85BD0897F05EB26C4480399B62D6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EBC91D981F0E1626DAA558AAAFF35710"
+      "adv_salt": "496B",
+      "expanded_salt": "145A372DAC6CFC172F5390B3D0541406"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4F22B4306D7D5EA4087F6945922F0380"
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+      "legacy_metadata_key": "8B91BDFF15E7DCF1749D07E8D473"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9CF6A4B3D3367D37ADC7917EB4865C9D",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1046C78801AAED474C14FE88D1E8307A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "764FB37351F04C4B8F7531C00989EF7C"
+      "adv_salt": "2935",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "980274B4AB918D3E0D73F80FE392A960",
-      "derived_salt_first_section_first_de": "EAADE11CE79216B39ED0884079178591",
-      "derived_salt_first_section_third_de": "9F6C7C3E7E42005B3F5E59919756F801"
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+      "legacy_metadata_key": "3B73816F8B0207472103821962A6"
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   },
   {
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+      "derived_salt_first_section_no_de": "A372A4A06822B615698D1DB85D99F452",
+      "derived_salt_first_section_third_de": "7782E6AD4BACA568C9F19BFD45758EEB",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "265592A89E8DF4D92EE5B7DAAF784031"
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+      "extended_unsigned_section_aes_key": "CE653ED48B060B1FBC5533F7A7B28B35",
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+      "key_seed": "02572BE66D0993C678294FD4A3020C844AA3F2FF4A346F2A18C38FC4D7D45380",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "40D0ACC1627D36CB46CB4FD85F11C4F8"
+      "adv_salt": "1D98",
+      "expanded_salt": "A5DC700420350B3107AC615A0685B607"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "BE3534EE5C5933681A8EB8AB26649921",
-      "derived_salt_first_section_first_de": "05F6C657262282877C4966E5D6202C29",
-      "derived_salt_first_section_third_de": "77F7DE0554BB9C1041CB7EAE13DC6CBE"
+      "expanded_key": "098107FA65CDDB9019959BF18B9CDB8F",
+      "legacy_metadata_key": "D6E2E96E164DFE43D73C57E01DF9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F2FD2AC34FF32E1475D3BD30F0838092",
+      "derived_salt_first_section_third_de": "55D1D3191143A0E0B2D97716A5913B04",
+      "section_salt": "2CFEB0C28526596970C1C3E389FC9538"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "A81D429615876EE022879D34",
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-      "extended_unsigned_section_aes_key": "C91110DE11C69CD0A779F566EB3B9432",
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-      "extended_signed_section_aes_key": "7F1712A7FFD40B2A31D8951F82D713E1"
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+      "extended_signed_section_aes_key": "C1275AA9971DA6D8B7672A68D8CE7569",
+      "extended_unsigned_metadata_key_hmac_key": "CF447FBF1387AA42F0CF3B97B34167590378396192ABD1B7444A6187ADCF5F79",
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+      "extended_unsigned_section_mic_hmac_key": "3BEB72EC285E416CBB8405896078395DBBB77792513123E5B7A9F5886AA0AB86",
+      "key_seed": "6E8CBDD6053D0D0775C7207ED8C6F0F02E838EE78F0F2E291A1BF5A9C02285D7",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D000",
-      "expanded_salt": "6D8648642E22C6F7629ACCFE2D495053"
+      "adv_salt": "5C1B",
+      "expanded_salt": "D930DC9BBAD81244A89C6981CA988E70"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C45FCDC756B0054F672BA0CF2FFF",
-      "expanded_key": "716F2B3FB8F061AA9AEFEC867B75ABB9"
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-      "derived_salt_first_section_no_de": "25CAA0F40E3C5FCF472732F7E4D38CF5",
-      "derived_salt_first_section_first_de": "1E7DFD370127D03CEB0EBD7A2E04F470",
-      "derived_salt_first_section_third_de": "64CF0CEE74F0B699533BFD78C4610BF7"
+      "expanded_key": "DD221CBC3B6FB1BBAB7790447382B2C5",
+      "legacy_metadata_key": "6159E261B440AD89375524B9B93E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "517B5016B5A76FF24E9627D5C60DD9E7",
+      "derived_salt_first_section_no_de": "E40267032A72428AB74D066B9D6E47EE",
+      "derived_salt_first_section_third_de": "690733ED967058B0382C7D2FDDDEF0A8",
+      "section_salt": "0B968F45D8E3750BF4CE41E042C65B5F"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C46574567772A0836312919D",
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-      "extended_unsigned_metadata_key_hmac_key": "8A3210E6971CF1E17D72461D568DD4FBD843EB089AE634910228FF5EE9A4258E",
-      "extended_unsigned_section_aes_key": "4A0266D108AFADF3C7F58E59D954578D",
-      "extended_unsigned_section_mic_hmac_key": "91760981851C328C8D33A48293256328F694C1F9A9019A5634120E0A3863ADEE",
-      "extended_signed_metadata_key_hmac_key": "B8A84332C32AC662F07434E830F765B09B17FA88F52A8DDB708C4E62497AEDD5",
-      "extended_signed_section_aes_key": "112275C76A063AB46E4B9B1E9D822445"
+      "extended_metadata_iv": "E3FD46576325A56CA5ACFC34",
+      "extended_signed_metadata_key_hmac_key": "332CE1E91DE5EC27EF5A08004469EF7289730A0CD8CADF59E46773AF4B433F22",
+      "extended_signed_section_aes_key": "18F1EA6E55A9E684EED00F54F6536C4D",
+      "extended_unsigned_metadata_key_hmac_key": "36A336C152EF9112E452962DC49B4D30FE3878F4007A16BE6AF12398A33C49AE",
+      "extended_unsigned_section_aes_key": "C9BC6EAF541582F5896448DAA759701F",
+      "extended_unsigned_section_mic_hmac_key": "D105D8CA71D10A7D9650E15890ECD82AC5B02438334D13B6F27BC4B91293AF97",
+      "key_seed": "F1F0649AEF91A18CBEDA665938267AD684829347F15F1A4BE85185E82E822A2A",
+      "legacy_ldt_key": "BEA450AC3F5AC67877C1D2321FEF03065AA1DC685288C6CFF3CBEFB996BFF05A498D8A16B111ECB47E840FADBD090686F230F075FDBAACC3B2E5324D6CC057C3",
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+      "legacy_metadata_key_hmac_key": "04D3A2B18B27611F3C389637C35E2BE054394AE2466CEBBB1FED77769BC68987"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FB63",
-      "expanded_salt": "E1390528F94D30556F2D022B96A092C4"
+      "adv_salt": "6DC8",
+      "expanded_salt": "023C21A41947557115F497957A51B0A8"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C8F73EDB7D99D4C96EA5254C136B1956"
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+      "legacy_metadata_key": "B29B8BC40D82E09AEFFBDF15D392"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "51A33810A289E51E9B5A5738325C8AF3",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6EA0F95A2DD58D497679B8F978812690"
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-      "derived_salt_first_section_third_de": "9E824E8EA477F81D67A91B3A6C9FED3E"
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   {
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-      "extended_signed_section_aes_key": "B80E22E230096DB3DD57914CE37AAD11"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "07FA4AB38E9C8ED552223D640142B813"
+      "adv_salt": "782C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "8CCF75B1B403A2A47F022D778DD13D51"
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   {
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-      "extended_signed_section_aes_key": "32E4DA1B78607695722408F851FA9D06"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "44DCF62EEF19A4AB8B4AAA206939BEA6"
+      "adv_salt": "423E",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "B9B4905FE70986F5DFF0FEB592DEEB55"
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+      "legacy_metadata_key": "042EB9E61C460C26157448271A91"
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   },
   {
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+      "derived_salt_first_section_no_de": "249777E6C4C626F2760288D5B0A4CD21",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "9C1AAA52A4B95E5F5351E0CE92200D29"
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+      "key_seed": "6CDD600C48AABB698D6A7C546CF55EB99B39752B618414D24A6E2DF6D8AE0FDD",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "28BE820EDE124D2FDE0B721CBB665D98"
+      "adv_salt": "7454",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DD4CF656B0316578AB20CFE7371ECF1E",
-      "derived_salt_first_section_first_de": "1541F4285AA8B7977F83B3B8B1965100",
-      "derived_salt_first_section_third_de": "9F931343F6B1A50DCF378AF47CF71089"
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+      "legacy_metadata_key": "3274A769DB50645107962DE98F60"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DA1EEF49EA5D5BC428430DDA10014468",
+      "derived_salt_first_section_third_de": "711FE18DEE90540AB8DB9B4088107EAB",
+      "section_salt": "3A122366F840B6801A8C49B0EC00DFAB"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "006680CA5B70636FED19AF7E205BB925559C807C85537B05333C38177641D795E62FC25EA055539724FE237654813DC43343EEA081CAAC872AB2AF9BEE8268F4",
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-      "legacy_metadata_iv": "519A9FD774401465195B87E0",
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-      "extended_unsigned_section_aes_key": "B74477287E7A1EB4E5B747DE2B342965",
-      "extended_unsigned_section_mic_hmac_key": "03053F4531F92CFFB631948258FCB02AB98DF0795DB5D858F4277D5EACDEFB1B",
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-      "extended_signed_section_aes_key": "410EEE65A7D47946E9AEF25D26C1EF5F"
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+      "extended_signed_section_aes_key": "57FE793A561BD0C6C23882107D88F07A",
+      "extended_unsigned_metadata_key_hmac_key": "1342132809FE2AAE4CBA526A81811901AA740497C4CBCACD015DCB3069D0A913",
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+      "extended_unsigned_section_mic_hmac_key": "2DD2E4FEA5F81CFC4F344BF02982451D92F1394896DF75BA761A5A1312EE7FF5",
+      "key_seed": "5EFCD71256513A7BE3383F90E996381224489392CBED62B378096BC9506EEA39",
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     },
     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DA7B973603BADB01BBD4E403E3D12E7A"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "BB7FDD030E00A917CC1353FE666097F3",
-      "derived_salt_first_section_third_de": "317B173BE182879A9ACB83F4F31A4ED9"
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+      "legacy_metadata_key": "D7556752D59AD53C9690AFF9B0D2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "116AC8812875BC1A1AF1164B54D39752",
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+      "section_salt": "B0DDEA033B1F756BD42640FE02426070"
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-      "extended_signed_section_aes_key": "EDE45E690088E839F9E3D0A0571DA876"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "528D943BEAEA0F377752A34B564603B5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "3DFD7B9085519498F4D6C6AE4D7D0C98"
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+      "legacy_metadata_key": "90AA73ABFB761598C5744DA46881"
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   {
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+      "derived_salt_first_section_no_de": "71264C06451B46E624752858613FCFF3",
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-      "extended_signed_section_aes_key": "F01A549BE89B0B965DCC86A20B478274"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F65D",
-      "expanded_salt": "442E9C02617E8922029ACE7D2427AA96"
+      "adv_salt": "993F",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E9C5672BE8CCAE1C5FB9E642A7BA2FEC",
-      "derived_salt_first_section_first_de": "6E80C5422FBADA2FC823A64B5DEB8B56",
-      "derived_salt_first_section_third_de": "8337C5A64A4F73B623070DFD55D065DE"
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+      "legacy_metadata_key": "A45509B0FAC04041962F3BB653E9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "07F8A51CACB25A2BFB64ACFEE8193843",
+      "derived_salt_first_section_third_de": "9F7A19998C770E04B28C54661881EC3C",
+      "section_salt": "A77370A29DECD70D6CC7D0420778CEBA"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "20494F7724AEA0501D7FBD9F1A6C41A9"
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+      "key_seed": "14668FCD12369043F05037AAA707D49CF79ADBB096D5F1DC66B4C81598536200",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E272",
-      "expanded_salt": "F865CF0C8905D87BB179B9CC05BADB9D"
+      "adv_salt": "CFA2",
+      "expanded_salt": "62E990EE96B69A90D2EE6FED80AF8FFA"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3C2EBDA7F942C84284B5CDB8100DEB3F",
-      "derived_salt_first_section_first_de": "787B5AD6E0151CD895FEC1646E9536FA",
-      "derived_salt_first_section_third_de": "318F61DC986AAFCA6613D57817B879D7"
+      "expanded_key": "9D967271CEB0596B8954419D43748019",
+      "legacy_metadata_key": "1D9C53ADD2B178889693095CCB68"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "2CC89EB47D8D106912AA5BB001A45A1C",
+      "derived_salt_first_section_third_de": "3CAEA60534849806698654B5EB30E948",
+      "section_salt": "37CDE6FEF6BE7FE9AC56AD66FE516C27"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C1678583D9E61DD61F1168A3",
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-      "extended_signed_section_aes_key": "75E1C339875218C138FF331FEA6C9CBF"
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+      "extended_signed_metadata_key_hmac_key": "CE7011EE54507DA71AADF2B376647730BE1BDE2E79ADA79BCEFC2074F59C3549",
+      "extended_signed_section_aes_key": "B90A0E76F5B852801EBF5755B45E8E98",
+      "extended_unsigned_metadata_key_hmac_key": "5688C465C349BF8416EACCF80EBFFB317F2AF4012C9CCF720581709525E62D01",
+      "extended_unsigned_section_aes_key": "550699E98E4367A184A22AD8A2FC169F",
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+      "key_seed": "F137F4EEB98F5C52272B6F073867ED757453F0FF5D9C18E07E5475C8672A9617",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "83F9",
-      "expanded_salt": "F289A78002CF32FBDF62340F471003A9"
+      "adv_salt": "A515",
+      "expanded_salt": "F0CB9F4920B4F7365AB73639CFBD1E6F"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B0EB691BCB8533685A0C8A7A5471",
-      "expanded_key": "9754902B567278E856CF2C1D007A5EF0"
-    },
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-      "derived_salt_no_section_no_de": "6812EC41610338E2DB67A77926EC1FE5",
-      "derived_salt_first_section_no_de": "DB3894DE4D128C904B444257BCB23459",
-      "derived_salt_first_section_first_de": "4D2263168689907E8232EBABDE367858",
-      "derived_salt_first_section_third_de": "59151E03334D68F56DE15B021B5C180D"
+      "expanded_key": "F0C1A880D75B0C689E06B78E9EE6D849",
+      "legacy_metadata_key": "1F0087534A4B55B7B3777ADCE819"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D28B5B75D3EC2EDD604C5833531CD446",
+      "derived_salt_first_section_no_de": "A76DF983B8AEC86890A990B3E3B0BF16",
+      "derived_salt_first_section_third_de": "EA2B0C7C9D0C1BEEEA33EBCC466CB828",
+      "section_salt": "64495552D1E60E3FB67AA39BA33D0986"
+    },
     "key_seed_hkdf": {
-      "key_seed": "C3EC1608143CFC92E6AD6BA95F83A3B768D0624C4B78469CAE0B069C7CE2555F",
-      "legacy_ldt_key": "DB1677E48BED5C3D882ED30D3228EF94D3AC40D028F48E5C15EDA601618F8EE711333B3D015902977A3E20D4244325E2584CFD1313D44FAE4AFB9CDA19518EE9",
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-      "legacy_metadata_iv": "3F19CB7AD71D43A012104A12",
-      "extended_metadata_iv": "50A6CAD49CC9208C7FAE9293",
-      "extended_unsigned_metadata_key_hmac_key": "FD1F21A02A910CE5B28794048405218323440405B9C3FAF36E43553AC4DF9770",
-      "extended_unsigned_section_aes_key": "E73C3FBA9707F3EA8766EEEEF837502B",
-      "extended_unsigned_section_mic_hmac_key": "9E9AB99F5A5140DF2675A7835D7A5609EA0E223DBB3B08BDE96944A51575119D",
-      "extended_signed_metadata_key_hmac_key": "5F42296E9F64A263FD4F624C0528D4875E85F0A2D68032EBBDBD462B9D066DCE",
-      "extended_signed_section_aes_key": "F965E699ABDFA93E0685F0B731DD80DE"
+      "extended_metadata_iv": "428DFF78DCAC1E8312242D09",
+      "extended_signed_metadata_key_hmac_key": "3B73DAF464208F35D027D811BC3B5B0728B8492332D62A8EC825EF1BA89584BF",
+      "extended_signed_section_aes_key": "41238D44EBF93D515FB5028CF97EE563",
+      "extended_unsigned_metadata_key_hmac_key": "B699771D605F800B2A06D8DF1EF91064F6B2BBF796E98AE5446D7ECA62B6D45D",
+      "extended_unsigned_section_aes_key": "6DCC7CD4BA99220B7239DA0B57959478",
+      "extended_unsigned_section_mic_hmac_key": "44D1140758415A0BD49389CD5BC55745C009AB0F08C1F587FE6776228D258B2F",
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-      "derived_salt_first_section_third_de": "2FCC8FD678258766407CDA6E338913A3"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "1052783443BD42E7E0367D06705CB21F"
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "5EDA5E940D20C9BC480DC25AFA12E331"
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+      "legacy_metadata_key": "45CF1884517AE1788D640DF9713C"
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   {
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "36EBF2EAEAAD9D9641F580E49CDBE093"
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-      "derived_salt_first_section_third_de": "5EFBDD332550F723603EA32ED6A3D8ED"
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-      "derived_salt_first_section_third_de": "16137D5ECC9AC10BCFD2C7EDE64DD082"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "5E011DB0EBE9C45D5A3FC9A3373810D6"
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "827CBEAE534427507A1D3C5E25CD3F49"
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+      "legacy_metadata_key": "29BA0A8AFDB7DB77E4E833D825AA"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "39F059843A3C58EFFDBAD0F36015CD15"
+      "adv_salt": "6638",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "46CF2E317029E3418AA30438A5A0B993"
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+      "legacy_metadata_key": "F5C41B448F4044593A64945D8576"
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   },
   {
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+      "derived_salt_first_section_no_de": "F7EA401F49EEDB519446C7DBB2C65E71",
+      "derived_salt_first_section_third_de": "B4324A2671ABD0D2487E8883D4434852",
+      "section_salt": "D7678C73EA3E8EAD3792F7BC741EE374"
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "BC8CD942CD0FA5992202533FF6F20944"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BACC6BC13178AB7F268654A7468BE42E"
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-      "derived_salt_first_section_third_de": "730787DB3E3C88AB81D3F0C48F20045C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "47F9FD7614DE3AD3EDAA69FFF1036C3E"
+      "adv_salt": "32CF",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "68AB722168DE6FB018216E7815B44812"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0F17",
-      "expanded_salt": "3C660F96A29BDA437905659F689CCF99"
+      "adv_salt": "EC80",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "9B07FFE766403F2047D5FC51F922BDEC",
-      "derived_salt_first_section_first_de": "B75EE3AB3883C60EE94E963DCF68DB00",
-      "derived_salt_first_section_third_de": "907B3481DC2538D7513D70B40D9B598D"
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+      "legacy_metadata_key": "9ED8D68B0A269ED1C61762E90772"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7FE141CE7238503894DDD76A4849F5F5",
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+      "section_salt": "C083BF9D01ED1734665EF4CA5650895A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "053AE447B1096B56E3B2B5FCF2A51FE9"
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+      "key_seed": "D922D669EE55E8C1C224B1DB954ED6513EEA67939739E46EFFAA685DF5E1919F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B588",
-      "expanded_salt": "2BB4B04C6406C81609E8214EFD05E18D"
+      "adv_salt": "A413",
+      "expanded_salt": "0B59B4995230D831E976C59A285AE97C"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FE663E38940715FC7581C5AE97B6",
-      "expanded_key": "697ADE3AC21B501F886D518D6B88A724"
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-      "derived_salt_no_section_no_de": "097CBF8D1A0AA07F172E1626875DBC2B",
-      "derived_salt_first_section_no_de": "469190C005FF418CF5A569BE93414888",
-      "derived_salt_first_section_first_de": "EF7861E95FA98AAF77522FBDE6C3B802",
-      "derived_salt_first_section_third_de": "973FA40DB657817B92A4B773FB5F448C"
+      "expanded_key": "DEB1CF35E39B1011DCEFB14EE8461C33",
+      "legacy_metadata_key": "DB63D9A8AF01199BDB9DD79FFAEB"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1B6EFA6DEEA91C8200388C72F3A45B7C",
+      "derived_salt_first_section_no_de": "818432B74ACCEB084902966942C032D4",
+      "derived_salt_first_section_third_de": "DFE807A2DF4EA8FC7F1A614AEA697950",
+      "section_salt": "646ABDDD381549FF20099255C2678D16"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C3C2AF21FCACF095CBB769F3",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "BD633AC065EA026DB1008F0E848B310B"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "AC39B62D8C91B633CEBF16A12574C04D"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BABDBC6BB2FB890642E4E7EB5C0480F2"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9251F8BE74AF144A934847B5840D65C0"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C7B1E68308164B52467BF3CF0EEFB7C0"
+      "adv_salt": "57B9",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "79411C5A9A841F24F6447D8A22813AA0",
-      "derived_salt_first_section_third_de": "9702E44087B1F4D8DB31D44FD0C9A814"
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+      "legacy_metadata_key": "ADFFA7D2F60363EA904F94E4EBFD"
     }
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   {
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+      "derived_salt_first_section_no_de": "CACFC41EC38F5320E3E18B646051D165",
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+      "section_salt": "C1BB17DC61DA87BA0D64FDFF2023577A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A00C220F41B60439A8E14FD6D34373C5"
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+      "key_seed": "622C58B3908245B39D7BCAF12722CBD1C3E626CF39A56F64A0F63F0183221B5D",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6FE2",
-      "expanded_salt": "99F10BD99C6F86AB8061A41BE60549EE"
+      "adv_salt": "B33B",
+      "expanded_salt": "94AFC735317C70D428723821C482C7DA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C071C23D257296321A8F55B4F4E9",
-      "expanded_key": "58B9F399AFCD124215460F20D46C98A2"
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-      "derived_salt_first_section_no_de": "B2718E55F19086449C5529379163109D",
-      "derived_salt_first_section_first_de": "44601CDA32ED65425A72705D299C904A",
-      "derived_salt_first_section_third_de": "7D1B3A83A0059E22FEA1A168A36C43B7"
+      "expanded_key": "E0E85299D676429F0B5B3E4092B74633",
+      "legacy_metadata_key": "ED1545CBDC93ECA15890FF6CCD33"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "F3F348AD3EF47A159937895AE0C5C9FB",
+      "derived_salt_first_section_no_de": "92770136F87EE44E1F59B2D00D44C69C",
+      "derived_salt_first_section_third_de": "0CA96BAFA180A297AFF49C4ED2717EEB",
+      "section_salt": "EFEE6EC5CAB9E6764129931379E9734D"
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     "key_seed_hkdf": {
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-      "derived_salt_first_section_third_de": "90FCA480EA3DB730AAECA7C2D4981AF6"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "641FB84BEFDE786D9CE9D0B4EEC95C84"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9FFD22801D48ED7C876445D5D10F52D1"
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-      "derived_salt_first_section_third_de": "6565984F38FB909B965681C3D7B3EBD0"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "616EA0CFC5CB5B37540E95ED78B43D31"
+      "adv_salt": "437D",
+      "expanded_salt": "2FEAA57CED18AC77AD011E76BEA97B08"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3BEAE70362165C15F65469D68E7CC27C",
-      "derived_salt_first_section_first_de": "292937793ABA74D30A9AFEF2D7BC82B1",
-      "derived_salt_first_section_third_de": "7D81E653FE5B742CCC3632C1FC29BEF4"
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+      "legacy_metadata_key": "06B538EBD24E3BDB66B91B9E5FB3"
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   },
   {
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+      "derived_salt_first_section_no_de": "C965076A76889897EDC35B5C3C8FD5B9",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F0030AB74E1F0F658E15F94DD8D9B7B5"
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+      "extended_unsigned_section_mic_hmac_key": "3385D05EDCF9EF3E02A1845A305D462E0198EE6EAAC3D6D2CF3186096F844886",
+      "key_seed": "C8A43533976696DCE2D6281A0223A3ACCCA58F19B98D4C7424C64A16DBCFAFA5",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D3F6",
-      "expanded_salt": "65B429EC782E0AD2058FA7957CBD466F"
+      "adv_salt": "7BD7",
+      "expanded_salt": "8D17791048EC98BCC290F7F3C0A12454"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BEF419E108E63858A6194270773D",
-      "expanded_key": "415F1103D98ED7FE932AD81C17774CB1"
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-      "derived_salt_first_section_no_de": "5788AB41432AC337A82F3EC46799B000",
-      "derived_salt_first_section_first_de": "7759D5D5E7C32FB28243CFE454F43218",
-      "derived_salt_first_section_third_de": "35AC7D8CF25B8CAC509F1707A7E44150"
+      "expanded_key": "5FF4369934DDF53DC1272005501830F3",
+      "legacy_metadata_key": "6BE2C01E235790C02F9F295DE357"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "663A9C8C1207E9DFCCCEDD5861122CCE",
+      "derived_salt_first_section_no_de": "4B3CC5FAC83393F378D0BF412C11577B",
+      "derived_salt_first_section_third_de": "43F7059A0F1D7209ECBE0C89489E4946",
+      "section_salt": "4F1452D32F3F0D435FDAB55624D81C6E"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "68454B294A25503E23147D3F",
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-      "extended_signed_section_aes_key": "92C66DA4CFFAE26F826BB9024C62BDA4"
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+      "extended_signed_metadata_key_hmac_key": "2382BAEC4846D0513C7390AD87C8850D84AC91D5B2F8432A3306685E14D97D83",
+      "extended_signed_section_aes_key": "FB7E6E0EFADB7DE558BC639334EA85C3",
+      "extended_unsigned_metadata_key_hmac_key": "00357ADB66836B7E42600690B94E56555F8A8D988D729B951DECDB4698A99F8A",
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+      "extended_unsigned_section_mic_hmac_key": "0BC07308F4A087E63FBA367218F18520284AFA0896383D18B19F106F14E6817B",
+      "key_seed": "8BD40DAF0A58A5BDA2637A5E8E966B33F7D787FA10BA6E00216F14623ECB7169",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FC5E",
-      "expanded_salt": "31D65E0D1FBE59F9F0DFAD5795789903"
+      "adv_salt": "E457",
+      "expanded_salt": "1D44DC5B8EA1FC49DC1C51DF9EA56606"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0603E02145C11D970564178ED3D3",
-      "expanded_key": "7963A3D8CD17222140966D72D0F00B99"
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-      "derived_salt_first_section_no_de": "6148EB90DC5D9306F9B50AFC5D0E0ACE",
-      "derived_salt_first_section_first_de": "583223AA740640D41C59CF7DF636A87B",
-      "derived_salt_first_section_third_de": "9DC10CA0BA2587B0CAF10C416BDD66DB"
+      "expanded_key": "BB16ABA207874252AC837CAD7E95A37E",
+      "legacy_metadata_key": "B8EEF591C8B39A281AF67A580C14"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "FA4946F484BF9875F9540039516FF56C",
+      "derived_salt_first_section_third_de": "040440F2FEBF3BC83CC53EDA63C73BDD",
+      "section_salt": "54E7EBCDDFC97412B272A28E700240A2"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "77A20F643A63340927CF2324B39D1F46"
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+      "extended_signed_section_aes_key": "9F444C6BE82D43A53B1AFDC7C7C12F50",
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+      "extended_unsigned_section_aes_key": "15BF0B47F861031E6F11625FBE75B8C7",
+      "extended_unsigned_section_mic_hmac_key": "250379C3032A7F98B1F83A6A08616A546CF01C6B4FFE90FF0A87D90F2F99DE81",
+      "key_seed": "D831413A6131C9B579B13A92BEBE5B8C797B263794781AFB602AE6F930C795B4",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FD61",
-      "expanded_salt": "D67691114AED96D2AFED7295F76051A8"
+      "adv_salt": "BA83",
+      "expanded_salt": "B3684D90B9CC1465B85CE4FE3B7A2DB8"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DAF4ABFF1DBDF94647A9E4C3963875C2",
-      "derived_salt_first_section_first_de": "E71FE078B1F38EF6FBBE1D4BD9AAA1DA",
-      "derived_salt_first_section_third_de": "9F0DA2486870EF665009C78521F5AB47"
+      "expanded_key": "35BE5846260B1616E22D7A23860F83E6",
+      "legacy_metadata_key": "D47532068C49709100B673B510CF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "03B3CA754D60EFD6D953C290CD438ACE",
+      "derived_salt_first_section_third_de": "E4B1C2F87E9B051A4E064BE9D01FB0FF",
+      "section_salt": "BA896FE5EC1353294F29E92C63E7CD6F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "16451BBEE3865525DA356B8A",
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-      "extended_unsigned_section_aes_key": "E29F0326852885987B80606FE576AB5C",
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-      "extended_signed_section_aes_key": "264AEB05243C528F0308B41731259EA2"
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+      "extended_signed_metadata_key_hmac_key": "1CE10768A641DABE6F62279873487EBC890A5E6E628DE4ED4124362D1D183CD8",
+      "extended_signed_section_aes_key": "75663578FA86FEDBEB216075D8D0BCD4",
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+      "extended_unsigned_section_aes_key": "DED2F1231969016A38AE368F20FD257A",
+      "extended_unsigned_section_mic_hmac_key": "29CA76C6A44C21C924C454163E1375DDAFD29C35D6B137559441BF7F89339B1F",
+      "key_seed": "3B9A50917C880C29848BE9CC286C19AB3888F28AD9458333E769D83218E5A194",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CDEC",
-      "expanded_salt": "5063501F5D5E7C21C17211B6CF28A69E"
+      "adv_salt": "99E1",
+      "expanded_salt": "424BB3492545619BDDC5C76C37AD96FE"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "2B080B5625421253CFCF3B2B1F07CE7C",
-      "derived_salt_first_section_first_de": "8301A68CA19F15E8D919134AA6289A42",
-      "derived_salt_first_section_third_de": "5F7004A76A401E7379FBF994D49514CE"
+      "expanded_key": "7A7F257C69B7C39B4F99D015DA62A34D",
+      "legacy_metadata_key": "5DB3DBD15F927E109F615913FEA0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0BC818FF8B222314B4543FADCD27C182",
+      "derived_salt_first_section_third_de": "B4DC40633BB86EF2846B98D07853CAAD",
+      "section_salt": "16F9CFE7C5FD846C842D6609A87C73F7"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "604D73AF27203D60B8C04AE3",
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-      "extended_unsigned_metadata_key_hmac_key": "95402CA78F2F8E27738D76D6A30979E4EC75E2BC7A79B2607961A3783A5BCA25",
-      "extended_unsigned_section_aes_key": "98D987CCF31CA70213CC10CB5405E4CE",
-      "extended_unsigned_section_mic_hmac_key": "0E274E422B5AD815B97F573CBF9B2F963B224A9245932DD3699859945CF4DC4F",
-      "extended_signed_metadata_key_hmac_key": "8E8005B34DA7947CF8630ABEEEA0F0020B75C2F9C86D29388D3022CD50723F2F",
-      "extended_signed_section_aes_key": "A6F73F475BDE8B9C883BD642EBE948D7"
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+      "extended_signed_metadata_key_hmac_key": "B0AA975E83E9335926E123D584CDA870386C469669D0A2DC9BB15832BC7E0C8D",
+      "extended_signed_section_aes_key": "63D758FBD9C0CAE2F8D22B4FE135E83A",
+      "extended_unsigned_metadata_key_hmac_key": "4C8C250E312285B1CCDAB6D08A3A80EBC435D67FC281569F3CD3A3ADB9ECFB30",
+      "extended_unsigned_section_aes_key": "7749BB7634E70275330829820A6E450B",
+      "extended_unsigned_section_mic_hmac_key": "64E9667BA3B0C353EFCE597C9D8A09D2555F942526B991BD854C7915FF202E2A",
+      "key_seed": "353792AFDF35E38D7FEFDC3A9E97E4D18468EC487216691047659CE809ACCE98",
+      "legacy_ldt_key": "715485ACAFD7BE5FBE300B9A4E155F02E196DF834BB5B965921A3F92F9CB45E4A0EC729CE5DE050AFB59BAB5F34938E837EB64208ABF17214F41638085FF4E20",
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+      "legacy_metadata_key_hmac_key": "0590BF3D4224E28EBA127E8516380FDBC0734747929726924862C2CAEED3B1BE"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ED78",
-      "expanded_salt": "906BFC510B66BE5B101A0874F47A40BE"
+      "adv_salt": "CA81",
+      "expanded_salt": "E4C59EB454834783CEDD3CE6035EC734"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9EB5BA578EB9492F3CAF7857CE07",
-      "expanded_key": "4C00B2C5F24AEDF1CEA9A40172FCA5DE"
-    },
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-      "derived_salt_no_section_no_de": "EE2A8D717E870D1B90DFD71D97AD0540",
-      "derived_salt_first_section_no_de": "DA3508267B5AB5E9DA5C63ABE5AAEB83",
-      "derived_salt_first_section_first_de": "B0ABA3D875E251AC2066FA3D392DA9D6",
-      "derived_salt_first_section_third_de": "4E4B98056EA4531F3181BC1701D54CD9"
+      "expanded_key": "A66B07F747173BB39578F16CE6E1CA27",
+      "legacy_metadata_key": "C8DBA79C3DF993B8CEF994235DE6"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "6FB1CEA2C51735B0CDA45767F5B99E18",
+      "derived_salt_first_section_no_de": "9E1431B7586D5DDA48E08B0C147CB5C4",
+      "derived_salt_first_section_third_de": "07F4E9FA67D3A59D7F835FB4DC49277F",
+      "section_salt": "5D32E08B88AEC2407407E87B06095937"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "52735D148D735B52A526881D1CFBAB8D85D123A29FFA3EEEA71746521DEEB4ED8294524F128294BDBBAE8BC8F2440C1E508209DCBF518A6E6163D280E25DC09A",
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-      "legacy_metadata_iv": "52F7DCF6B64AAF3885B25A44",
-      "extended_metadata_iv": "C90BCFF6B3DC782082EE26E7",
-      "extended_unsigned_metadata_key_hmac_key": "2D0AF36F47DDCE74227234097A5BB9A2422AFA22ABEA0AFE40C9B6D49E9A2236",
-      "extended_unsigned_section_aes_key": "21BBA71A4AB8ECCB6ECEF822EA3B2884",
-      "extended_unsigned_section_mic_hmac_key": "4A6A4E19F6245382EA1BB164191662462794E347886505D4D4A2DE38157FE057",
-      "extended_signed_metadata_key_hmac_key": "30E644D4EE234CEC8FF290ADCA3624CB97ABAC972BF005FE078E90991475F236",
-      "extended_signed_section_aes_key": "911FD9FA577381727BB0BAA9C933E705"
+      "extended_metadata_iv": "5C3E774907328F49CF0C123F",
+      "extended_signed_metadata_key_hmac_key": "1CC79DEB68395CC166CFEE234E8E002C42B0CDEA5A540EC82A9B8C55486D5A02",
+      "extended_signed_section_aes_key": "F2A3A3962698AD762BD399F228B31BCD",
+      "extended_unsigned_metadata_key_hmac_key": "5753E4481E34199D0F6E4D55025F265D0A7075E49B20B845637CCC2D3C1C7341",
+      "extended_unsigned_section_aes_key": "C51A8A302920F79B101E441128E85EC4",
+      "extended_unsigned_section_mic_hmac_key": "7F4396C35B3B860DEF52C6DE11895B6C8401B72D084E00E4D109A87F8BCFCEA6",
+      "key_seed": "716A47C4272682C3E72D5D9A1761590CEA6125217CC86B23E51D06AFD9A64B96",
+      "legacy_ldt_key": "1672EF2E8E92932CC1F9D12A97C515ED3EB1A258983BB2D949D66583FA78397C0F66AD0710B7524D08ADDD8BB27BFEC90FA29983214BDE987C8A2ACD01BD0493",
+      "legacy_metadata_iv": "AC2588C6BBB6ABBAA9CEAC07",
+      "legacy_metadata_key_hmac_key": "BA5FE709674269368D7B7D9EAF3DE8BF1CD81F8BF7952AB2F0E36857D8F11667"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D546",
-      "expanded_salt": "4AC07D40D26FDD9E72392363E2137B97"
+      "adv_salt": "B91C",
+      "expanded_salt": "7031FFD55B0B213B047F4D7BB6399737"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E24A5EC62073CF393D294CD38110",
-      "expanded_key": "8E808332EB43C81691F25EB49FDB518F"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "C688E5291C973468A6F436661F98455E",
-      "derived_salt_no_section_no_de": "8E35023FB82725570536BDBB2B5F9A8C",
-      "derived_salt_first_section_no_de": "8473276AF7D886B4DA6597E63C829EF5",
-      "derived_salt_first_section_first_de": "CDBA2E376E56DCF8FF246EF39C61B977",
-      "derived_salt_first_section_third_de": "7F9C7A64160560AC860048784CE8DC9F"
+      "expanded_key": "841F97DB38A2C6819858F92C6D74AEA2",
+      "legacy_metadata_key": "36F95138EE97B8C49B0D3C4FAA4F"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D521421A435FAF1644DA5BF057B197EF",
+      "derived_salt_first_section_no_de": "1ACB4E7A9C36A3EB7955D5D6096B838B",
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-      "derived_salt_first_section_third_de": "1B26CBC1B94901AE854AFFB3CA592FCD"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "4D739AEFB243C21F82E50E5EE59D2D1A"
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-      "expanded_salt": "D619AD9E3A23FA0DF5A3A6C4139C1B88"
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-      "derived_salt_first_section_third_de": "0AEFD711FC264B6015D4B4AE31B8AF6C"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2A5D3F1F0642EA3AF95CBBCD333CF7D7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4324774F14D4695B0AE5F16D8CDBB6F5"
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+      "legacy_metadata_key": "10024C433A8EA7C894CEA04EC353"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "83198CFF41821D775B3F550E07E3A9E2",
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+      "section_salt": "2BDCFC9CD252227BE458BA4AC6570C66"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "AB4448AFE97A56D419BDE51C92E4DA8F"
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+      "extended_unsigned_section_aes_key": "3CE4B43D7291224DC9E0DFA638C76E00",
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+      "key_seed": "FB6DF4EC1D84E5AF418BCEFC596F74F81051CC8EDA0A255550B2B1C6A1D09F04",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5554",
-      "expanded_salt": "4A50B693E44236A038EBA296D27E6265"
+      "adv_salt": "A2C5",
+      "expanded_salt": "2C97E68D8F504737DA70F4C3F44A16A2"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "65B5AF93844181FA9A4D72456AEDA21F"
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-      "derived_salt_first_section_no_de": "2FD561BD0F022E3A279F513DB05C0DB2",
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-      "derived_salt_first_section_third_de": "959DF0C695AF2B2FC22D0BD243F3B76F"
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   {
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-      "derived_salt_first_section_third_de": "FF4722525C95EFDD3133DBC2FEB87FF0"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "10FA71369A90DD1190966A05F08F8FE7"
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   {
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "AE0FCAE8CE3C1F3F691852C3C77C1D90"
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+      "legacy_metadata_key": "BB7295E248C59809F077A3794D15"
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   {
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+      "derived_salt_first_section_no_de": "F7DD59D993967264A70DC36B7BD550F1",
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-      "extended_signed_section_aes_key": "042E27BB71CB31DE3FC4BEB13A304272"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F96826B419C8FF643CAC78267620B87C"
+      "adv_salt": "C8F2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "05149F2B69A15D8855493193BA663434",
-      "derived_salt_first_section_first_de": "5B17BFECBB1AD84B9AAF8D1FAF701A39",
-      "derived_salt_first_section_third_de": "F1213F184E9380587AD8FED0DE9A18A6"
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+      "legacy_metadata_key": "AA9D984CDB0407246E6846923093"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5A0CAB5ED0B14E51BA3B46EB1F2FB556",
+      "derived_salt_first_section_third_de": "1904265BFC63609C251E2AB18566CA1A",
+      "section_salt": "A2FD9F3B331193A2E18AE12AB63C35E0"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0DBC07BA97305FF9AF34E8F5",
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-      "extended_unsigned_section_mic_hmac_key": "C0EED71A67C5E362AA825597B86ACEEC1948C540BC776020D13DD58E9E0E68DF",
-      "extended_signed_metadata_key_hmac_key": "C020A17818D0ECC802C12D0B83F6A717EE0AC3BA103813A47FDD2C23AFF721EE",
-      "extended_signed_section_aes_key": "9F8382164A4B50C62E2618DBB6ED6666"
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+      "extended_signed_section_aes_key": "E08D8A84CF82D5C36D0C60EA748F6FBC",
+      "extended_unsigned_metadata_key_hmac_key": "3300A6D82B99384BD4FEEFF200F7EAFC47A0E70FFF92B68E96BC69E91956ED5C",
+      "extended_unsigned_section_aes_key": "9A0E51CBF94B46CB0C1F59CD60427101",
+      "extended_unsigned_section_mic_hmac_key": "0914CF3746E73C50884DB3F698904701320E8B45E5B2D9F4B6A40C598CF43A9E",
+      "key_seed": "AA8129D53BF23CEE5BBDD27CC149BE3EBA5105E783AE8E3EF46B2C95905AD776",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BFF3",
-      "expanded_salt": "7032C41A6E1FC83D51DE3E00C88F6622"
+      "adv_salt": "AE78",
+      "expanded_salt": "7582462FC4C86A2F94E0321A374CB3B8"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C01107C2E0535C5CA4E260D9F65290C4",
-      "derived_salt_first_section_first_de": "35F41C37B60C399965B187E3A721DC56",
-      "derived_salt_first_section_third_de": "394E48FA71FFB0DD6A79306AD1827ACC"
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+      "legacy_metadata_key": "5D5BEA2378303355B3D933A81313"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "31D6ECDD5C1984325427FB902635AC98",
+      "derived_salt_first_section_third_de": "97F7F01DDD5E2D893289910992342BB8",
+      "section_salt": "D5A5B3D5D27DC385A2BD0907F4AFE464"
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-      "extended_signed_section_aes_key": "54E11CA4E8D8400EDCCB08F08B70427C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5ABFE5FE6A803AF70F741C89C66EF1AB"
+      "adv_salt": "39ED",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "BADCCBDDBAA35B67F380C42A9F6B6CFD"
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+      "legacy_metadata_key": "11F128F8A11189909720AC3C368E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CAF639444E943B7EB61F3497DA8381B2",
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+      "section_salt": "B1FFCD2774B07CFB485EF6CF466E9662"
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-      "extended_signed_section_aes_key": "A7563BF527A4F4F350D7BD5639E1B38C"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A1CA",
-      "expanded_salt": "7514A60E154688D45B744B20DB511D37"
+      "adv_salt": "DE07",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "8C11314890DE7E1EDB6EF0B51A0318FA"
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+      "legacy_metadata_key": "CCB944C930E673FDBC5F9FD69F40"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E782673FDA1D2DC4CF4E6A5AA05960BE",
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+      "section_salt": "9A782548B710B3B36EA83FC9A3159F32"
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-      "extended_signed_section_aes_key": "158CC746D2C8011D234C40620E6C73BF"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5408",
-      "expanded_salt": "6E532EFF641EB8C6D893505E22B1D119"
+      "adv_salt": "C953",
+      "expanded_salt": "173EB0E77E803B0AF99F21BF801BF7C5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A8EDBCF539212041431DF75BCC11FFF8",
-      "derived_salt_first_section_first_de": "98C44A8930E91B8AD51DB5C0AF7C82B2",
-      "derived_salt_first_section_third_de": "6DE0ABD5C5A103BC2A65AABA5BBD29CD"
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+      "legacy_metadata_key": "94211B67F88E8422CABF347FAF76"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "EA1995DF60661059356A4D22B2C38347",
+      "derived_salt_first_section_third_de": "7A38B6530606128DBBFA7474F603DF6F",
+      "section_salt": "BF5C86D6215FFB6CF514FE9611FB8C5A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "30C5220F848BE09E483F47B6",
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-      "extended_signed_section_aes_key": "B1F7E0F718F828846E702B142ACB1C2F"
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+      "extended_signed_metadata_key_hmac_key": "E3734879D40350C6943560A74FBD523E8B6EBC23146D163DDEA905A6BC096603",
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+      "extended_unsigned_section_aes_key": "02DC3283187D5AD467D9D36358D35CD6",
+      "extended_unsigned_section_mic_hmac_key": "B7DB489314E573C1741C6F5AD05640B719DCABC35B437DC2904161F4063BEC8F",
+      "key_seed": "D82415A1532CD1904CE094A997EAB63D874A0A21AB658E2A174CA0CE4AD18022",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7DE1",
-      "expanded_salt": "817C82AC7D9F5A0AC1906D1890F0FF68"
+      "adv_salt": "E372",
+      "expanded_salt": "C1CEDA72E20A1CD892CA852BBAE4587A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C17D217D246B97CDB76A9D4DB01E",
-      "expanded_key": "656CEEE7374CD5E721D9965B1DC77F38"
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-      "derived_salt_first_section_no_de": "D01B30BFA3313E1DB0CA9AD6813FD6AA",
-      "derived_salt_first_section_first_de": "3E8780C2E5D65796E58DD5D3105525F5",
-      "derived_salt_first_section_third_de": "C6BC58738417EF72A4B5BA481FAA36A7"
+      "expanded_key": "C57186283CEBD82CCFB6FF0A7B26BC61",
+      "legacy_metadata_key": "A5AC5E2752E8DD44B42BFCFA83C6"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E9AEE404F0F902BEE7988DF816F6F515",
+      "derived_salt_first_section_no_de": "C7A9C8A43A21C6105ECF777D3F363CF0",
+      "derived_salt_first_section_third_de": "1B8BE7F03A3D2CB0DACF2E5B01262354",
+      "section_salt": "49EA999FECFD6991023C27C280BDEC37"
+    },
     "key_seed_hkdf": {
-      "key_seed": "9BCB27A9E9A3DDA83966C672440C8CA680565424DF97F76239C818BD1F9F781B",
-      "legacy_ldt_key": "011DA0996746EE5DC229B622C10112A6056EF83840FB052A038BF9564EFE538161598FC0A7F3DE14C6C55D7ABEA6644B803D2D475175A020A3480E6CE6A23B00",
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-      "legacy_metadata_iv": "16D9273D0B128C47B48F1121",
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-      "extended_unsigned_metadata_key_hmac_key": "D45BD4E58B9454D40EDD461E4637EC765A74D964C1F56644C6CEAD8FC629DB4B",
-      "extended_unsigned_section_aes_key": "70C2A69752CA4601D45496BF23A3FD36",
-      "extended_unsigned_section_mic_hmac_key": "4DDE878B80651977FA175A97797575BAA9305923A7389F3B8DDF29439C4BDBFA",
-      "extended_signed_metadata_key_hmac_key": "AB5B99496FC4CAB2AB346504F39FBCAA5AC8751B497B279C64D9ED7C0C129815",
-      "extended_signed_section_aes_key": "6C8DA59DA433DB1392FF770F00C6EE85"
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+      "extended_signed_metadata_key_hmac_key": "C5F63F716DE8F5553AFE7B622F0825F04FA80C9C1AB63EB4C54D053289579B6F",
+      "extended_signed_section_aes_key": "1B996DAE679D590B59909A8027FB88C9",
+      "extended_unsigned_metadata_key_hmac_key": "6B23A118EED5FB038F132364F2BB9E94E95D690026DD54B045C7A85AE7D2E420",
+      "extended_unsigned_section_aes_key": "4EAB3FB44FE4682357E33D0ECED0352E",
+      "extended_unsigned_section_mic_hmac_key": "0B16402FD3BCA4D97E49FF64921CCDBF50384588789C5320EEC7BE37AD742028",
+      "key_seed": "68641465C54AED68A2A0D831639B5B627A46DDBC1005CA0319506F7D9870DE5B",
+      "legacy_ldt_key": "ECE88945971DD8CAA21D788F71454657EB0B5862BF42621ED9CD0662CE977E6D66E677F72D7AFEC0F5E0C4A6D4C935490100528A10FFD9CA102AC567846F1396",
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+      "legacy_metadata_key_hmac_key": "6B10F8D724159DD64C75FD6286E926E27A6AC512040DA5558D7F931180310D2F"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0E3D",
-      "expanded_salt": "7FC56E4E3C6542D5CAE35F2E582F8379"
+      "adv_salt": "CBCB",
+      "expanded_salt": "C6BE097A88BE20A192D98E3CA7CC39B8"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A9B2365606B9A903D3FE6AAA87243279",
-      "derived_salt_first_section_first_de": "972E887FA13946AAF92D02E3F32E5A59",
-      "derived_salt_first_section_third_de": "EE8CEBA520816F058697C836AF7322AE"
+      "expanded_key": "839DEF544E47ADBED9D32A574182A649",
+      "legacy_metadata_key": "5D3B8C76DAB54026114F26437470"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "34643AAC90DA503644F081A538D16912",
+      "derived_salt_first_section_third_de": "B82D62ACFC719A53D98E12D92F61A913",
+      "section_salt": "8080F4B91D9F4C4EDB7E0AB931A008E4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "12616553A81E7EBEF2DE8479442CC3B8"
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+      "extended_signed_section_aes_key": "BADDC852A21A350BC27D36B2E2D05CEB",
+      "extended_unsigned_metadata_key_hmac_key": "7E71E6222F3CB10F9DF8657C24EB6EAEA299D48B75CF0F14B15940DE51187978",
+      "extended_unsigned_section_aes_key": "4D80C485DD953708E6B195FFDB0D3F9A",
+      "extended_unsigned_section_mic_hmac_key": "3E83A6CAA856080A7A31BC348FE0FA276AA23D44AE352125C93EAE62E704EF83",
+      "key_seed": "52767AB4F23533482E9EE0FB5D6D954E82403F5ACC8EADA235FF9E19030C7CCA",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5CFF",
-      "expanded_salt": "B7C722173181E9278D78802C6BBA449C"
+      "adv_salt": "64A3",
+      "expanded_salt": "67880E8CF6F9A737E3796FC026AD816E"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "A94E220DDE8EFC77256462EA609893A9",
-      "derived_salt_first_section_first_de": "70363A9D899E588A2E0C9211A2F44FB4",
-      "derived_salt_first_section_third_de": "AAA425E10276629C7B9CF986E3FCB13B"
+      "expanded_key": "16610D2FBC9C5537FBD7981936ABD107",
+      "legacy_metadata_key": "B81B2B5B9336A85AE620F1C30165"
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   },
   {
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+      "derived_salt_first_section_no_de": "DD2FACF7CD8A783F87F9C823173748CA",
+      "derived_salt_first_section_third_de": "8FB58E12C93A25BFD27C12DC71DB9FA8",
+      "section_salt": "BFA248ED9E2A894CF958689270F89D46"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "66D363C79391B370477638FA8EB144B1"
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+      "extended_unsigned_section_aes_key": "5A1309F02B55C17303A18E1FFB33B68B",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C536",
-      "expanded_salt": "FAF1200ADC7AE9092FA1E5E4568F1ACB"
+      "adv_salt": "60E0",
+      "expanded_salt": "36277907F1D779DDBF03A850E0767083"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "F32894F64A45E3A4A9F16D29F4DC41D5",
-      "derived_salt_first_section_first_de": "DAC249A8C5255920724021E687BEC45F",
-      "derived_salt_first_section_third_de": "2F650A64F0E200B24F811859366EA1C7"
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+      "legacy_metadata_key": "438D73B504D6BE7A53CF01A1BB69"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C1A5FF396D5242F36473114CDC99A089",
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+      "section_salt": "BD60AC818C1B6F89FF3BB9AD31BE96E4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5B6D16AD488FF798262760CC6FB6EAE6"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "917E",
-      "expanded_salt": "714116771A31F23BCC08FE6A585E21CC"
+      "adv_salt": "6714",
+      "expanded_salt": "4C7D7734D69609C36D63A9DFC570F323"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "AA4F9865355C02936A2B2C101E267255"
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-      "derived_salt_first_section_no_de": "840012082409F56F45277B79D2026DE3",
-      "derived_salt_first_section_first_de": "4D204CAB6DF1ED01DDDE90892EB800D3",
-      "derived_salt_first_section_third_de": "5257685B475EF907755DA9212CA6DE55"
+      "expanded_key": "A5042A69531ABA4F024048C5E532BF0C",
+      "legacy_metadata_key": "FFB1AA0E31900E93A81837C87482"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "543FFB4AFD6A345E8AFA954A066C2B83",
+      "derived_salt_first_section_third_de": "78AF4F3EC72AC2B3574F3C0B5105C871",
+      "section_salt": "F6A86C27DD42A6CCC5A91B57908C8FA0"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1D354826A89CA17B8684186D",
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-      "extended_signed_section_aes_key": "24400D3591633BC67A7C7023C211256E"
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+      "extended_unsigned_section_mic_hmac_key": "46FF726B2193F99AD6429FAC98910E9C85A859E5AF60D24ECE75985DA9029F81",
+      "key_seed": "4CD42847508860961016426F827673E68013251285B09BC26B757582BEDBB42F",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D1E9",
-      "expanded_salt": "C1618B76262EF74D13A83BFB0AFCD846"
+      "adv_salt": "2D37",
+      "expanded_salt": "9C881D528799FE6B1EAF81DE4C354375"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "283AA128B056B2497246BB32DF29",
-      "expanded_key": "52FFFA5B89FF30BDA87E2B50C4507772"
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-      "derived_salt_first_section_no_de": "4974D3822FDAC43B8387605A36AB204D",
-      "derived_salt_first_section_first_de": "64B36AC1FD4F7057F7B540844B702F53",
-      "derived_salt_first_section_third_de": "89FD3100D3586C72B169D06157BD419D"
+      "expanded_key": "6EB6B182282396AFE0776B43B87DCF15",
+      "legacy_metadata_key": "DC4987B4873F75DDBBB1D115DB3A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "F73FFB413BFBC486091C2F726B9E8E97",
+      "derived_salt_first_section_third_de": "50BD4A67219840B096A2DA38CFD25E56",
+      "section_salt": "5E965DA88317171AFD3AEFB1C457F13B"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "85AEE24D44BF47429309209E32A6E2D6F3E060BF7F0E03500A1BD48B3FB05AE4A0F515EAB11F1ECB068CC03DA2D21A2A0692D59B364422A08908B511366B6F0C",
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-      "legacy_metadata_iv": "D1864D32F755C18239BE060C",
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-      "extended_unsigned_metadata_key_hmac_key": "6DC2FE051845384C4ECEC33799C66C55B55C3F1A5C81447F4A98C71B99BCE0D6",
-      "extended_unsigned_section_aes_key": "ACEF2FB1BA0EF0B795066C8F973674B1",
-      "extended_unsigned_section_mic_hmac_key": "6AA7943757096B33984DB5D15508BBC8CC52B0F3A817C6EB58BE288231B14B11",
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-      "extended_signed_section_aes_key": "80B3716D5F076CC2FB5EB56D975FBADA"
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+      "extended_signed_metadata_key_hmac_key": "A1281C150D8458C55D1B227C962D27B46CE152151D925FF3E481A47295D14650",
+      "extended_signed_section_aes_key": "1CF5616B9635F6DD6EE94FFEA2851606",
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+      "extended_unsigned_section_aes_key": "8AD503661E626D78AAC047B6397B4CBD",
+      "extended_unsigned_section_mic_hmac_key": "8842D314DB62AB7B793120706DCB56BBD033236AFC1B69E09B17FBCE02E9114C",
+      "key_seed": "FF295DB7163219EB37805DC057E5391AF5A668F78EFDA3788D9F590600F050DB",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "CEA6A0D2550EDE8192B3B249EA69944B"
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+      "legacy_metadata_key": "C2EEE9F81B5080EEAC71BFDAE1DF"
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   },
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+      "derived_salt_first_section_no_de": "5B026305C529DAE12C8A94A64F857DDE",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "DB8D3FC426D8D2A87AEA996F4C47DFC3"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C4764EFE757226763B0182538A585566"
+      "adv_salt": "3592",
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-      "derived_salt_first_section_third_de": "E35DF5AB5CB555F6D6160F3B77198C75"
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+      "legacy_metadata_key": "5E8A93BD74B48FEB9C1CC1862144"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "839E",
-      "expanded_salt": "BE508B69BF088EEF5D4DAB743336F555"
+      "adv_salt": "7E90",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "65947C641462D936BEA80CF431A0D76B",
-      "derived_salt_first_section_first_de": "10F97BC1FA8E73E8140E3BFA6A961309",
-      "derived_salt_first_section_third_de": "D4E40B3F4AAF478050E90D0C501A59C3"
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+      "legacy_metadata_key": "D5F2C5205AAB3D166FB75925F13B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4CCE339FC88D1540BD8F6261144D088E",
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+      "section_salt": "08C5C26D8672143D28D7B3E7EF73B9C1"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1C361084952C30FF8A596BFB",
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-      "extended_signed_section_aes_key": "7C62885F61A28DAC7654824D7A2A086C"
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+      "key_seed": "C74AAD413D85E231E7DA97D2CC9C10733A4960A67F86F5D04C53BF09BCE76CD4",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B873",
-      "expanded_salt": "A12C11C61EE87B00375C72D48CC930A9"
+      "adv_salt": "3347",
+      "expanded_salt": "05FB108BA5396A36DE01E008C7C3E9BD"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3A4EF8E2D7301809A44E14E8CC1C",
-      "expanded_key": "EB03803A47A93711D06E28A14C96FBF4"
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-      "derived_salt_first_section_no_de": "DC37100E7B5A0ACFA1DD6436A77A9AD2",
-      "derived_salt_first_section_first_de": "0F0260F2B79A79BD287E540A45A960A7",
-      "derived_salt_first_section_third_de": "827F7F3B30686636E81BD9C002E692CA"
+      "expanded_key": "B04B0EFBCE25E7D7E32219644130A2F7",
+      "legacy_metadata_key": "97A4D65B77D9BDD7773598412B3F"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "35F18617B8CFC39D8C21C1C094A82384",
+      "derived_salt_first_section_third_de": "9CC2A7C759552463CF508B891C686B09",
+      "section_salt": "7B269C82252CB3E8B3DD2335C2579748"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2D6D88CD9B3375842A79A57F",
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-      "extended_unsigned_section_aes_key": "2C1C2CDF08BD7ACB7BAE1AC1C3AEE2F5",
-      "extended_unsigned_section_mic_hmac_key": "D314E4BA025F91EE07E0E41951B8D0262978FCC614942D512539C2652ABD93AC",
-      "extended_signed_metadata_key_hmac_key": "E051C8AFF545C33D13CDEEB37623720C15D121C35F1D450D0F5DEA9AB83E4A01",
-      "extended_signed_section_aes_key": "A0393708E83173D14E031EB777F4C8E4"
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+      "extended_signed_metadata_key_hmac_key": "AC36D1410B4D0DB5429D869993F718CE5B0CA4AF56463D4A49C21608769F1D0A",
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-      "derived_salt_first_section_third_de": "C42F4797786C6CFBD1C400179A042C22"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "AF6E902B83A825F9A165601270678CD1"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "CCC8248C95B6C439A089902FA159CD2E"
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   {
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-      "extended_signed_section_aes_key": "43A9542F363EDBA22DF5C8867FBE919B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "8F32CE4D0CC71818D6A58DA951967A09"
+      "adv_salt": "01F2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "32E0BBC7004DCE2ACC42BABEDF6C3CC8",
-      "derived_salt_first_section_first_de": "7EA8CD4664A402E8F186A1B893EFC723",
-      "derived_salt_first_section_third_de": "FF5A858F60686A6BAE208BFAFB7DAAAC"
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+      "legacy_metadata_key": "E47A80CF1E829F8AD2BD8B2CCCEA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6C59D6B189275CD635DE410B52644626",
+      "derived_salt_first_section_third_de": "43A683BD695035EB54B3063B5F98A672",
+      "section_salt": "7622B017E9309CB571C13640FF30EF76"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4E1F55D25990C3B3F4E892CEF76B744F"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "046A387CBB27E1D5CA51BFB24474BBB1"
+      "adv_salt": "3669",
+      "expanded_salt": "4993110F8BB22567B9F7C8E17C2FEEC9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "76589C2B5A5B567A0CAA5ECEDAE67374",
-      "derived_salt_first_section_first_de": "3DE7E3CDDB7CA027F1BCFD5B92094238",
-      "derived_salt_first_section_third_de": "457A8A44770F6E3091DCE5B4261817C1"
+      "expanded_key": "60D5C5CC66865A0FD33F02C9C33D2083",
+      "legacy_metadata_key": "C5C46DF8FF2E172B4245F76323E4"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "9F4C9EEDB1762121EC86300063DD9BFE",
+      "derived_salt_first_section_third_de": "AC569A43A75A33FFF49CF258A1E069C0",
+      "section_salt": "BCEED1BEF5A1D0F0D10B1804ECA7AF4C"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F48D28B6A9164EBDB7878E6F",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7D096B8807DD4C9BC3940B338BA3F650"
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-      "derived_salt_first_section_third_de": "81364073C059996E30ADAA968D1FE1C1"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BD629DF59D5FF2D17D57D417FBF5FFE8"
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-      "derived_salt_first_section_third_de": "F0669962CE6E256305301832DB80C623"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "86D17E01BE54887AA61F3EA91ABF2EAB"
+      "adv_salt": "87C2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9FDB55F5E7BC5AA1455246820B0D15E6"
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+      "legacy_metadata_key": "6EA5B941E4748E4A58F2A1B8D693"
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   {
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+      "derived_salt_first_section_no_de": "21D5ECA0850ECFF5B530AFCF7BC0292A",
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+      "section_salt": "243102AC1E36F7FC6C70C05BEBA45313"
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-      "extended_signed_section_aes_key": "82412B385A925512536A552A5C11D5EC"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2D30",
-      "expanded_salt": "3B8CC09C56BB663C367DFD51F75907A8"
+      "adv_salt": "CD42",
+      "expanded_salt": "308914F03B664FC92AAF2FC7169AA0F9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "9CE4CE45B06B17791DC1D64307CC3EA4",
-      "derived_salt_first_section_first_de": "3BE936D44399B33070DA561D3C1038E7",
-      "derived_salt_first_section_third_de": "6AC581A187FB123B0F120F3E05B2D914"
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+      "legacy_metadata_key": "23D50528996697C9BBA4A9470A27"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "75AC2F066489E95673EE25E8CC2D9088",
+      "derived_salt_first_section_third_de": "66ECADB82F5297F30A33EB3833435EA0",
+      "section_salt": "57FFCAA0994D475330B78EE4F91B156A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FA484508461C320C33E60ADE6AAF1C0C"
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+      "extended_unsigned_section_aes_key": "4C43820C6E00B751AE816826B3A472E7",
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+      "key_seed": "46DA4143F759C0E8E58AFCC4EDDFC0BBBD890295E1E1FFA6926ACDCF1071BB62",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DD44",
-      "expanded_salt": "92FF46EC067F610107C97CDF8AD31F68"
+      "adv_salt": "CB4E",
+      "expanded_salt": "1C524FCF3362DDCC23B391B34493CEF2"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6549EE79DA3E4BE787EB99042D73",
-      "expanded_key": "C0817C0879CB0F94689642504500B59B"
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-      "derived_salt_first_section_no_de": "9D4A74F94F1764FB1E4481339A0D5BFC",
-      "derived_salt_first_section_first_de": "BF813B459961B0026D0F33862088216B",
-      "derived_salt_first_section_third_de": "4D6914BD634587563580C2622F148988"
+      "expanded_key": "BE09EC4007D381038BB6778E62864DB6",
+      "legacy_metadata_key": "95799775EDD0A99D4B450AF5D6A4"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "FC3BFF8D88942DA24E846DE629E873B9",
+      "derived_salt_first_section_no_de": "C25B1D89BED0C97E87A3F32333E18733",
+      "derived_salt_first_section_third_de": "CA3C258867E81EBFAE832A98DC4E0608",
+      "section_salt": "20310DE3B4AFEB76AB272621218F6143"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "13D27DD8FC84064CD9429A42",
-      "extended_metadata_iv": "B39B2E6CEDF2B325223DDE11",
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-      "derived_salt_first_section_third_de": "97B2CC92D3799D4630E2396DC9398B97"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4BA6EA22A1D89E485EF2559B568E01AB"
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-      "derived_salt_first_section_third_de": "04592B876808287315D19169C2B89313"
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+      "legacy_metadata_key": "273A7907AA218EF949E76EDB0379"
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   {
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "428D76A0E5DB3BC9011098D6017D4E75"
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+      "legacy_metadata_key": "F1D991A3ACE162A1EA656425361A"
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   {
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-      "extended_signed_section_aes_key": "95D791C086F7669027F85A2068C06E1C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3024144887EEC8BCA4AA799F52BBDE4F"
+      "adv_salt": "8E65",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C37291538509A52BD1490074079863F3",
-      "derived_salt_first_section_first_de": "FB27B4AF287852491B2DE9AEC247B1B5",
-      "derived_salt_first_section_third_de": "FCF4123BC01F3F93790D0524157B689E"
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+      "legacy_metadata_key": "873F18ACF9CAB54BF3482CB00143"
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   },
   {
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+      "derived_salt_first_section_no_de": "0FB99988A1180D6A6CA6D44ABC74FA02",
+      "derived_salt_first_section_third_de": "13DFF01636AABA2E68237A26883BC9BF",
+      "section_salt": "F515EEB6A01EB5A0D69FBF78A2A2D2B9"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "97ACB56224CE61F15107896F30181550"
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+      "extended_unsigned_section_aes_key": "B6E44A99389BD6383D956C9E75A31240",
+      "extended_unsigned_section_mic_hmac_key": "CA646E9CCB111F693C16AF5B9558803FADB7FC7AF188547A75C3054AFFE03918",
+      "key_seed": "B3215CC88D1A2E003E92BAEE36783FDADD29E506B69EDD259A25A6370977B111",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "76E3",
-      "expanded_salt": "DB8C04B9A21DCCEC75C4D2C7806F57AE"
+      "adv_salt": "EA5E",
+      "expanded_salt": "87AFBA0A2BFA428ABC4809C386230686"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BC6E629777E0725091DAEACD42A7",
-      "expanded_key": "E988A07304F5EE5D237C1F36194AB53D"
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-      "derived_salt_no_section_no_de": "FB7063A3765C2C80D318A5E1259DBF8E",
-      "derived_salt_first_section_no_de": "A8CF7050FD2FAEAF40A041AC42508838",
-      "derived_salt_first_section_first_de": "E8A99C02794E61D90FF007F18E977A9E",
-      "derived_salt_first_section_third_de": "37C2B82EAB4B759C6B351ECD95F64945"
+      "expanded_key": "B01E01DF1AD31800B35B8A4302991E91",
+      "legacy_metadata_key": "6BDD527AF4BD98BA22589C627957"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "94278C7C57BC429229918C95E7F4FE6B",
+      "derived_salt_first_section_third_de": "1FC61A24FFC4798ABF25DAE6826A75E8",
+      "section_salt": "FB3CB3F239125C1C1BD6DDF9572DB2E0"
+    },
     "key_seed_hkdf": {
-      "key_seed": "2D474416CDE4EB3B65B85882B74235C724E5E1A58EA60F49D3948EF68FDA4061",
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-      "derived_salt_first_section_third_de": "4710588A8CC0CB1448E351B6D2835D3D"
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-      "derived_salt_first_section_third_de": "4D4FC18CA1DB7EA693D37513BFA16893"
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-      "derived_salt_first_section_third_de": "6AD926A5D69BB9953A74285E1DC7AAEF"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3A3136F63D66BCE6FCB9B313226511D0"
+      "adv_salt": "5467",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "3DF1273A9B7371F5893E311051758247",
-      "derived_salt_first_section_third_de": "3A6E37A6B2F6721DAF4D3C9A1FB1FC8F"
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+      "legacy_metadata_key": "24DE5867084A6F4FC45281A0537A"
     }
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   {
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+      "derived_salt_first_section_no_de": "89844B4E1D9EFDC94427D51348508DDA",
+      "derived_salt_first_section_third_de": "DB60911BC771D748435D83F4B135DFFD",
+      "section_salt": "57DD84C2673EB92AC6572F8CCAAC753B"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F57375E5E456E716FFFE9AD7243A68AE"
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+      "extended_unsigned_section_mic_hmac_key": "BFE1986D23863A5DAE02C45812382C3CC7601E19C792065219F782EFE72FAB8A",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D441",
-      "expanded_salt": "5884439F79AA242A043D6980A201701A"
+      "adv_salt": "E9E7",
+      "expanded_salt": "B5DE7B7FF3FFDC11928D6461218F74B5"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FDB804CBEDFCB6CADC739FA6F630",
-      "expanded_key": "A34F4678DCA71C10DA6F9B472ED7D53A"
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-      "derived_salt_first_section_no_de": "105CB4E4230F626A5292C8504DDBBB79",
-      "derived_salt_first_section_first_de": "6F662BB9D14D1B6F1D05849ED2612477",
-      "derived_salt_first_section_third_de": "D0A3EF29AA82DED1DF4A3CB6261E0BBF"
+      "expanded_key": "83CAFB1DE50AA3A288787AE0C0673C3D",
+      "legacy_metadata_key": "566D815BF5877B47C43954D0F57C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "1A9E1DEC3BF3990031D06DC903DF2577"
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-      "derived_salt_first_section_third_de": "26258940D636B639DFA907242973744D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E490FE7E1BAD606C03CE027AAA3474D0"
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-      "derived_salt_first_section_third_de": "1ED15AE3C466B3E2715533854484B42A"
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+      "legacy_metadata_key": "67EA4FDA58A93FDCA8DB237E62A8"
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   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2AEAF2D2E1FA3AE7EA02C9219C69F2F4"
+      "adv_salt": "BD63",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "03E57FCE47F38B1475CFBB1E52E31BD6",
-      "derived_salt_first_section_first_de": "A14AC69FA3517DD46BDECBC69B145B71",
-      "derived_salt_first_section_third_de": "B7C62CC1EA878B6F7675AAF892FDEEFE"
+      "expanded_key": "940893F1B3493BFE3209E2E310C29B37",
+      "legacy_metadata_key": "8A17613AD6260907B24AAD799965"
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   },
   {
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+      "derived_salt_first_section_no_de": "E754EDF303EB6AE61AEF97AFEFF6F6CE",
+      "derived_salt_first_section_third_de": "AB8449FE0B14D4ED0020B6832130DD8F",
+      "section_salt": "9CF40E2FA1E2D623929C3D4A7CE7E0E4"
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-      "extended_signed_section_aes_key": "23E32E2FE288CD7CE2296E5184006371"
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+      "extended_signed_metadata_key_hmac_key": "E765F5AE84AA4A4A2DAF6D006DFB8AC3FA32A1CFAEA1295B704C8CC6338D049C",
+      "extended_signed_section_aes_key": "87EF3BCCB74572F32E8E34C30CACDCFC",
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+      "extended_unsigned_section_aes_key": "E9E4C9CE1A732AA29C61E5183162B5E8",
+      "extended_unsigned_section_mic_hmac_key": "09337CE948B507BB0F50C914B5F7CB2770453002B8A4E39979D38FB1005BC89E",
+      "key_seed": "100082925B69F87B4DFA73DF60C889775DBAD2C2CF749121C29715D34D12ACF2",
+      "legacy_ldt_key": "67DACCA346ABF74D418E833150D8BF57F032EA4FC0E00B0840F5CDF35A7E4CD1A5CB2E10FF851C9F7832FAC75F2DFB0A28ACD0ABF3BB7CDCAF8F352BA9132E89",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A8A3",
-      "expanded_salt": "DB44B41AD8BB8807E7B3D2630E79289A"
+      "adv_salt": "6583",
+      "expanded_salt": "A72AB9FBE942DB160277A10F11BC7D30"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7CA9880821F4D2CDCC10CDE8149D",
-      "expanded_key": "4A1B148DC2106E1BB89869A5DB370234"
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-      "derived_salt_no_section_no_de": "5B16B75F141DE1AC7DEBA8FB64D55F29",
-      "derived_salt_first_section_no_de": "0A6A98917B9945A5680D7046EC045E73",
-      "derived_salt_first_section_first_de": "F026922F8EB04187FB5DCB8F42063B4F",
-      "derived_salt_first_section_third_de": "8F24512DB6897372B4502CC5B47A8058"
+      "expanded_key": "29C2D7596E7E1EEF743FD85E4E298FB8",
+      "legacy_metadata_key": "B53C9F7ED465D8066ADA1E556D3D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "989C3E7FC61B8A9D193B43A6145D1968",
+      "derived_salt_first_section_third_de": "0158CA88941BE1F1442FFF35A1FD83A9",
+      "section_salt": "2B2FFAB6DEECDF0B16BE81AF7AADAF5B"
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-      "extended_signed_section_aes_key": "EB3F44EE7A6CE7F8B602CC9CEE68F5DA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9D4E2978E042CC19FAC681132C00B41F"
+      "adv_salt": "8F19",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "32F0EDDA1D0B3B3AAC7A03196D58E147"
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+      "legacy_metadata_key": "CF509E424CE9D0B86710BACB5994"
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   },
   {
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+      "derived_salt_first_section_no_de": "F68CE6A83E5AFAC7E47C28047AE43768",
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+      "section_salt": "F734A878C32ABE2CF2D624B1CEA73FD7"
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-      "extended_signed_section_aes_key": "B22A743F28FFA9CD41BFFAD6180AE9FF"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1819463AB3020743979284C7C385E18E"
+      "adv_salt": "E458",
+      "expanded_salt": "1A5D0094B554AD92CA9264F5591E438D"
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-      "derived_salt_first_section_third_de": "A5652D46C275869285B7CF16CA7179DD"
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+      "legacy_metadata_key": "16F6EC187A67FC0C92E125CDC65C"
     }
   },
   {
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+      "section_salt": "97D3A9174867EE6FE0B7A484BD088315"
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-      "extended_signed_section_aes_key": "14F1E9A7ABCABB9BD7E457A7A7FE4978"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "85194783B8BECE0581E1B270ECAED73D"
+      "adv_salt": "9740",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D5605B64731181E6CABAAD5E41EEF896",
-      "derived_salt_first_section_first_de": "598FEC8D44D1C86C9E2123EDB088ABE8",
-      "derived_salt_first_section_third_de": "6606586BD5F3144FF219A02C1CA96189"
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+      "legacy_metadata_key": "9346BE39DE7287C2B756C097DBB2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0DD244D7C066967AC24EC93C6A8D0DF0",
+      "derived_salt_first_section_third_de": "BA74A6D56D2CF228ED658D6B201AF322",
+      "section_salt": "50C612AD7567B70A688047E746774483"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C0278CB07374780DEBC864A4F01A7245"
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+      "key_seed": "C072D1D4EAE331BB68F082159631640DCDD7D6332BA1CECBE437B7F893F59E5D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CA12",
-      "expanded_salt": "72BBAB1ECE0EFF40A1E55279D5F1CEFA"
+      "adv_salt": "6131",
+      "expanded_salt": "68A765F62F1BA36E8AFEFE792A5EE890"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6AB2A48B1FDEA040B4E3895A24A9F2A0",
-      "derived_salt_first_section_first_de": "871D4A1FA47D9941E39A3E335A47FE3F",
-      "derived_salt_first_section_third_de": "D36B89907A412D9AC4F5A984E4565AFC"
+      "expanded_key": "5933DA7CB84AA0C83C2448697BF1DB61",
+      "legacy_metadata_key": "179515DA34464543456A063D6FBE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C9C4C150DA626BF975D7EE3E3895196A",
+      "derived_salt_first_section_third_de": "BB0E13B5779E1869FAD3946550C73DE0",
+      "section_salt": "42BD9C4EF6E88DEC7520D1EB1BE55AD0"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "DC313AFF5FA814078BDFAED8",
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-      "extended_unsigned_section_mic_hmac_key": "3C345FFCDB554BAB37496184C6A6D887ED36771213BEE16EC193309FB5ADB999",
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-      "extended_signed_section_aes_key": "A27BC4F52C3F1ABEDC3DD5578AAFA55A"
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+      "extended_signed_metadata_key_hmac_key": "E6C7FD32EE3A00025EE16A262B11747608EF394BD3E565134FA47F7AAAF09795",
+      "extended_signed_section_aes_key": "6BF81ADDCB7CB77DBEEBB67B75B67D40",
+      "extended_unsigned_metadata_key_hmac_key": "8336473461FCD8F355FC0E1C87AB1E6A7DDC2BD58E44D0E6FFFE5DFE644E5B11",
+      "extended_unsigned_section_aes_key": "150C3972554AF3CA6B0663A0F3D15C31",
+      "extended_unsigned_section_mic_hmac_key": "07D1578943F6360E450905EBDC94B14B06FB080E30998990042C3E43CAE2724D",
+      "key_seed": "B2EF81758A6FACD0465E4BA0B602C25B1D9018F0E0786F162F7E3D91BD801CE4",
+      "legacy_ldt_key": "34C9A7527137F4BBE544BA482E564A19592FEF4B39178D2BA6FD0E5E6E02D10515D4130655CB971651AEF1F1AADC2AD3F894F6B1DD884EA38EB371F8C27BE3C7",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2E00",
-      "expanded_salt": "EDF26149EFCEC12F239989C693E90A44"
+      "adv_salt": "1196",
+      "expanded_salt": "B20E7EC9CE1CF448D501F9171E46DAAB"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CD0CCD58093C677DCB3EE18D4F19",
-      "expanded_key": "AA2D10103E6E1B4A648F91BF3D110E69"
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-      "derived_salt_no_section_no_de": "E4727B540705953802246DEBFF7E3C05",
-      "derived_salt_first_section_no_de": "1FF57BFE4F803B87FDC43E4C42052BE1",
-      "derived_salt_first_section_first_de": "22A7737B8E2EC26EB760E5F9FAE0510B",
-      "derived_salt_first_section_third_de": "D618D1F3283484E9C2D61E02AAEDECA8"
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+      "legacy_metadata_key": "A0AC272D8602E940A0198FBB6937"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "729B884A263CD1D6D7D5AE5FC198C803",
+      "derived_salt_first_section_third_de": "7201D473B3EE4FD29A7F86DCC22F070A",
+      "section_salt": "33F5C8727C352AC9264394682E3B4AE2"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "E931B815E93335C66317377C39E1813C9F82738AB921014ABDFA838BA4FCE941807FB81517037D073DD030E62564BEB6E3D3C807B8BEFFCF90EEDD02E5A8E1D6",
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-      "extended_signed_section_aes_key": "B1151E8FCFB14E9AB593C6FF6A904601"
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+      "extended_signed_section_aes_key": "3A7BD09F379A90530439BEC486909F78",
+      "extended_unsigned_metadata_key_hmac_key": "80AD5C551235D1D7F9E8DE53AF5D9B29D08601751DE30F0132DD4EBD01A30B4E",
+      "extended_unsigned_section_aes_key": "76B4B257B211410B43DD35A7F0AFEBD7",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0954",
-      "expanded_salt": "26217080BB4C35C4A3C48B32C33BAF79"
+      "adv_salt": "9B3E",
+      "expanded_salt": "636B3B9EEFC93CF1878944F77A32FCDA"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3C6F8F3D1DF4F237A359D83301D9D881",
-      "derived_salt_first_section_first_de": "894CDC4C8E44BBB48409FACB30CA3A9A",
-      "derived_salt_first_section_third_de": "74A942A2872B45CAC0608429E564CC52"
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+      "legacy_metadata_key": "F12EEC0AA4AC2794F6DEE26FBA2B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "21723B7859247F1FFFFD99C01F496E4C",
+      "derived_salt_first_section_third_de": "8C4C56094176405A9FFC8ED634B9BBE9",
+      "section_salt": "2E107BE95511C406F0945FF926AC577D"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E3BFB8347F6C6F99463C2AFF",
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-      "extended_signed_section_aes_key": "918FA2DB3DD4C60E59892FA6F024E706"
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+      "extended_signed_section_aes_key": "5470B3AB44CE5A49D1707542A0BB245B",
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+      "extended_unsigned_section_aes_key": "287B850B5F45D980411532885A0CC012",
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+      "key_seed": "C0D99EACDEED0F5CC1B4F12BBFD506E0B4F94D44A6AF3BCA6A39B899A3866E38",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "260C",
-      "expanded_salt": "30B2E65536757DCF6A3EC5072DD172F7"
+      "adv_salt": "4EF6",
+      "expanded_salt": "795D48BF9226351DFFEA1604D273A9EF"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AA05CAE99809D7279868F2121EFA192A",
-      "derived_salt_first_section_first_de": "5929DC029F4B7F4437F5CDC9CDC3C37B",
-      "derived_salt_first_section_third_de": "540B1333650502B0CC270D47DEC3ECB7"
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+      "legacy_metadata_key": "5D50C219378BF386B9E8B106D30D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "050DB21236B0807998998FB284B13997",
+      "derived_salt_first_section_third_de": "E63088C5A69A2B276EAAC04ADDAF785D",
+      "section_salt": "FA98D20716C0E0518561C848E2E306BE"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4B65AF43B7AF6DABEED5F60AE4632E5A"
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+      "extended_signed_section_aes_key": "0AF9BBD9711033B64C246A52422F1C6B",
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+      "extended_unsigned_section_mic_hmac_key": "D58A3CC2171DAE92A183AB4D0B7AFD76325581C16E4B2C6FC8ACDABD08BFB54E",
+      "key_seed": "0E346D63C8C4D9E1FDC2F8A39489C4D17ACB36B592724249DFAEB2CDA428DB36",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EB4F",
-      "expanded_salt": "5A47CB20C91A153283BC32D11285E990"
+      "adv_salt": "EB19",
+      "expanded_salt": "586E006857826C8B56EBCFC33239BF5B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7687A651E6D597A4153750E0BC4A",
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-      "derived_salt_first_section_no_de": "79547FE44797BCAE624FDCD3A34FFAD2",
-      "derived_salt_first_section_first_de": "5E51F43D21A6AB05C4712E7234DA4C03",
-      "derived_salt_first_section_third_de": "E41F270FB4ACEF1123B7C5BFA407FC06"
+      "expanded_key": "FC58DD3378BC8AE5BB95F1833EA34AEA",
+      "legacy_metadata_key": "FEA4A89AC5B47C8841D35E64277D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "95039E42D16E421255841E88AB521D65",
+      "derived_salt_first_section_third_de": "AA668916D04BED87F89D7DA40A58FADC",
+      "section_salt": "4AA85119FC64289831A37691F792AF81"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C48EB2CC938FF7DB22780C3F",
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-      "extended_unsigned_metadata_key_hmac_key": "337A80296CB23CEA4A229DA3CCDC207DB90437C833317B8344958175ADA6E23A",
-      "extended_unsigned_section_aes_key": "FD49E22CD353B8AE78ADA005DD5F19F8",
-      "extended_unsigned_section_mic_hmac_key": "F730306641F6BB0CA1775DCCB4DD3CF58DCAA3F5DF8C6A5FA256C7256157341D",
-      "extended_signed_metadata_key_hmac_key": "C3ABC32AAE580C33A595C40F090635FD24750C3ACEFF52FCB763F6F209856061",
-      "extended_signed_section_aes_key": "29A65285E1110EB467A424AA42B7590B"
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+      "extended_signed_metadata_key_hmac_key": "B5BFF6820A029CEF3BB9FABBA0434C479EBC282BA216FB20CDBE0C7D33E309A0",
+      "extended_signed_section_aes_key": "994749D831F7ABF28314B5F206284C7F",
+      "extended_unsigned_metadata_key_hmac_key": "57C8FC75124012E0C539925C7F28F4A2E8C5CEBD01A16FBEA51D5E014AA44EA4",
+      "extended_unsigned_section_aes_key": "F66BC0AAF79A1E75F3BBE215534A2E73",
+      "extended_unsigned_section_mic_hmac_key": "56062C57066DF8FEEE6ED4ACF4CBB2D592BEC8D3C9FE1D911E3DD02229364B5D",
+      "key_seed": "40E10CAB33C8879368DBE5D61D5B699315C2D1F85D2B1C1D7071078CAB783CFC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E05B",
-      "expanded_salt": "3E3642236208535FCAD9DE53E584D8AC"
+      "adv_salt": "1A0D",
+      "expanded_salt": "1AFB57FD22B4999FF72968F9CE077854"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "920D54C542193FF3C792ED185095",
-      "expanded_key": "E4D3A8E3196C6174796061FAD0CE0256"
-    },
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-      "derived_salt_no_section_no_de": "110DADE09A57C8AB698D06088C395E41",
-      "derived_salt_first_section_no_de": "9E1057C3A9FB4CFDD155B6F036C21C94",
-      "derived_salt_first_section_first_de": "E46AD8CAC7B2F342A9B7F28B156DDD44",
-      "derived_salt_first_section_third_de": "681E451A9C08CDD6B3F2C138B8F2322D"
+      "expanded_key": "3AD9C99E8ADBA843BC20BFDE44ADE3EA",
+      "legacy_metadata_key": "803E1CD33F1CA5E8C933D80AB0A1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "867E21F528ED0030235FC8FF36D6213F",
+      "derived_salt_first_section_no_de": "57A474C38B69A255A735FD988EC09579",
+      "derived_salt_first_section_third_de": "DC08BE70B2774FAEC3CF872875D4C114",
+      "section_salt": "C5741D686AACE24EAE44010BC032377C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "E27B0291BBE737F5778B590692117FCAC445C7F7D787AA6FDF1D0335D68F69A2",
-      "legacy_ldt_key": "1283F421C30349406E8F4F13731CDC8F8028E929D799DF18F373BCE7FFACEE873C21EFB803DBB29CBCC4801C1473D2A9EE9ACDD7A588651CE6DBE389C9101A65",
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-      "legacy_metadata_iv": "EE3B4529528AD25DBA622D90",
-      "extended_metadata_iv": "93C195207479912FE0648449",
-      "extended_unsigned_metadata_key_hmac_key": "4BA28E4E6D64D892E0E8DC757D124E3E164AB30B34A29F0D7F97BDE670AF984D",
-      "extended_unsigned_section_aes_key": "83E4696938A62D09DBC5AC0813401F2B",
-      "extended_unsigned_section_mic_hmac_key": "899B054B5F4548C5C47839BEBF40D167B523967508843E0194F2A7ACD7D83D2A",
-      "extended_signed_metadata_key_hmac_key": "08803190840E5A04C3620219A0040BEDF3AC4BA206C40955072820F088F42A0E",
-      "extended_signed_section_aes_key": "518904038921490816B230F49EB169BC"
+      "extended_metadata_iv": "1750EA40CD6C02B5A19880A7",
+      "extended_signed_metadata_key_hmac_key": "F8B0A573C0FC8D01408F3A7CBA8A85ED1A3CB7187DB17DAF31B63CD80605C46F",
+      "extended_signed_section_aes_key": "5D2F04C2E39FAE5110E8AE38FEA2AF04",
+      "extended_unsigned_metadata_key_hmac_key": "08599B5A9BCC959836B9654E7C926F42AA3E01524EF29666A23336FDCB8F5BB5",
+      "extended_unsigned_section_aes_key": "0835FB42AF28859D245E8A4166B13B68",
+      "extended_unsigned_section_mic_hmac_key": "675BDEF67F4C4C2869B3803378BD6DF55FD6DF6D3EBC61054CC9D82F23BC6190",
+      "key_seed": "CC9E628B488F571176A3A1D85302D6B537C7692C72A02192F7B2F9AC9324A464",
+      "legacy_ldt_key": "E11B577FB155C1648E7C2919CB1658472A5C2CE605641ADE3BE4E6B0777FCD0A0E0295D9BC5BA62049D6CE222A55C7101360B3BA21AB8060119895FFCED6CCB5",
+      "legacy_metadata_iv": "474F1BD126E00D0FB2954AF7",
+      "legacy_metadata_key_hmac_key": "F9B51A189E6C1FA6957EBBA62A0DDA038B34A5AD62A0109AD48D4C613177CD59"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BFDC",
-      "expanded_salt": "B371E2D341EADAFDDF3DA8C6D746612A"
+      "adv_salt": "3F98",
+      "expanded_salt": "1146A4C7910C667D600F305E80A9D7FD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FA37315D5E3DE96184BA7CF9ED74",
-      "expanded_key": "B4AE2FC81AB28D02EB8B151531ADF84F"
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-      "derived_salt_first_section_third_de": "809832735A0FAD2CA2E09EA579136922"
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     }
   },
   {
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+      "section_salt": "2AB48C878D870282D6D630DEBC22BDD1"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "96FC264CF908B9F7DCD1671CF4FECCD2"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "8537074FAC24B124D0802239CC31637B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4FAE7B57C5415C0D9484437945D0E717"
+      "adv_salt": "BDB3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "891483B5961780CC7C98987803ECAF9E"
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+      "legacy_metadata_key": "AC80A31A7A3243A175247857AA10"
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   {
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+      "derived_salt_first_section_no_de": "9B7C2B1DFCC95B7DA308CFC1C6945802",
+      "derived_salt_first_section_third_de": "99F83E26C5D209136285DF837536DA4D",
+      "section_salt": "C54447BC095290ACBB701B596ABF17AA"
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-      "extended_signed_section_aes_key": "7EA2BCC825E3B8BE1E4A2665F6175A84"
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+      "extended_unsigned_section_mic_hmac_key": "E06E1D53F65A312FEFEE327ED696D6718BD17837D1BA45DF2893095456B1BB6F",
+      "key_seed": "2867E1EDE0BF10B37B00EA0A10016067A495F49DB1C4F729AD4955B4D7CD3244",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7CE7",
-      "expanded_salt": "60A6141EF9B4A12C7D7CCD4B64E094DE"
+      "adv_salt": "CBA1",
+      "expanded_salt": "E2703A0F191B99E44735537A7900DC6C"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2A4153B4742765C125FF622EC1FC",
-      "expanded_key": "61E8E59A6D826837094AB0B29599F178"
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-      "derived_salt_first_section_no_de": "C45E88007E16A16FAA6A98A9CEA7F3B0",
-      "derived_salt_first_section_first_de": "81ED9BFD10F7E38DC33DF9ED349B0465",
-      "derived_salt_first_section_third_de": "87FB06009FCC36A3B1C108F7846AB830"
+      "expanded_key": "55144213F5B84B95179AF359495AE6E8",
+      "legacy_metadata_key": "E705F67D4A709198451AB7CB9A13"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "57D51F555D96BBCBACC449AFA4F2E9FB",
+      "derived_salt_first_section_third_de": "C051CFFCFEEE801E05D59115D2469994",
+      "section_salt": "E982995933FF7DC2B74375362BDDB91B"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "11B8B86CC6168F427AB59C9E",
-      "extended_metadata_iv": "9C97B54D398F66E9B48EF6F9",
-      "extended_unsigned_metadata_key_hmac_key": "1E1E7D1347CBF03E7FB0C5F606F2816BED00361ECD1D1E769D8C4B7E186F08D2",
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-      "extended_unsigned_section_mic_hmac_key": "7C7F45445F5AF5C5268E65768282D089A4254A6B19BEDB3016F4CD44245D0224",
-      "extended_signed_metadata_key_hmac_key": "1B92F1D77DE114FFBDDD2145A894BDEF9389A95DC1BFDF1896192C8F421CE5F4",
-      "extended_signed_section_aes_key": "21BE5D868818D63FF7CA698DD9C255E2"
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+      "extended_signed_metadata_key_hmac_key": "9DF9D2A46B067967DB1B18568CB5CDC8763CF423BA0A85A7E020C95C214D6857",
+      "extended_signed_section_aes_key": "15B5DC1B7731401E1E5FA7C9BDCA9604",
+      "extended_unsigned_metadata_key_hmac_key": "16BC34E21FE52E1B3ADE0DA34D9D3F71000ED1033700CFFA55E85C3B8E3FA875",
+      "extended_unsigned_section_aes_key": "DF2695622C234F7EE9F9B333E02F0013",
+      "extended_unsigned_section_mic_hmac_key": "65762DA2491F98F1ABFB0D3EB5023C889ACE0B979C07B9F9028463E056BC3850",
+      "key_seed": "EB9D622CDE3E3042B4C2BA29B5AF65E22049DE864628568689A62A438A92CEF9",
+      "legacy_ldt_key": "8376E7D321D99E99C36EB675908E1A0A22DF82785D2BBCF46C55A33BE1EFB93C363CC41DABA8CA3519E7BE5F6FE08B32AFAC1123934973733A4E01A93F1846FE",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B644",
-      "expanded_salt": "60CE3BB6A3E7AD03C55EB3251A0FB69D"
+      "adv_salt": "2B10",
+      "expanded_salt": "3235814BA1FFE499AC1367A0E7BCA4AE"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6F9319D3662F0DA45BC3A07CBC86EECE",
-      "derived_salt_first_section_first_de": "4B967ADB79B10BBC2D262D82882ECD91",
-      "derived_salt_first_section_third_de": "2FA790E840E33B6272F44BCCEA2923D3"
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+      "legacy_metadata_key": "E70FB1EC3D4464D53B68F68DF9DA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "48D3978A43A9E9562DAF1FF431D1C8A5",
+      "derived_salt_first_section_third_de": "7C49F9C9AFA0688E6506E3D78481018F",
+      "section_salt": "32C4F0237DA0731F57943B25D6DB166B"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4B3EB267A327BC0B6133019F57D1F396"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F2B6C06DD09955DFB8F1AB30DAE707DC"
+      "adv_salt": "3727",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "F7BB2873647FC9A942DDCAE112172A37",
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-      "derived_salt_first_section_third_de": "68C046881409FB1E68BAD973AC3CFC78"
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+      "legacy_metadata_key": "0F3CB5B6D57C7A6BFD3E16325D14"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "334EC6FD73B76433FCE1A43F32F8D5A8",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F8F777F078BD66B045B4E2DA56A92F91"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6819",
-      "expanded_salt": "3CCCFCD2086814CDE44B5CEE838DA34D"
+      "adv_salt": "52A1",
+      "expanded_salt": "07965303127031229A9F8495EAEE51D1"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "32616CB0BDAC8B0ACE51E3A9AA28B8E7",
-      "derived_salt_first_section_first_de": "06B51BD7416008C496D4C2BD3CDADFAE",
-      "derived_salt_first_section_third_de": "1ED6C7EAAB919DF20B39B99B9C65377E"
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+      "legacy_metadata_key": "53B87DBAA035D0CF19D323556FEE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "437B3BC99F0B067569144CB277EC0E6A",
+      "derived_salt_first_section_third_de": "7D2DCD1F5EDA645DBD36D04642E3BF2D",
+      "section_salt": "56BA9223C28B9062BCDED4CF715BA75E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C8A3C5FE3F0F7ECC411010D116B4D8A0"
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+      "extended_unsigned_section_aes_key": "74C9136EC1F3D36BBCAF9F9369610BF7",
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+      "key_seed": "C819530B983F5188D0B042081FC1CCDC62A42A9517742BBF529CEDF8B083D501",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4DA4",
-      "expanded_salt": "BAACC8AA6A2BFF6BAD01E5A95D7EF5B0"
+      "adv_salt": "2AB6",
+      "expanded_salt": "744969E1E07696957255243B285CBD10"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D3EA21B9A3E747E7FDBF29CABEC4AD22"
-    },
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-      "derived_salt_first_section_no_de": "9242B3E2FB16BD4F26C0A9B3E70D1F67",
-      "derived_salt_first_section_first_de": "880BCBC9C444CAEFFCB89FC1FBD8A102",
-      "derived_salt_first_section_third_de": "BEA87A2E79E20240EAE15265301CBE64"
+      "expanded_key": "EAA42B1FAAEBAE0A0640F6D0081A1A05",
+      "legacy_metadata_key": "7E9994DEC11C22A0A699A46BE6F6"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "CB15C942C23F315F132C9D78422C8548",
+      "derived_salt_first_section_no_de": "8BA5EE107011D34CE135814DB4A36C39",
+      "derived_salt_first_section_third_de": "26DED05A406D910D01FE755370A59CF6",
+      "section_salt": "CF1E5697391C3FCF816F07C04C510829"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AE3DDFB359B2AFA9E4A186ED",
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-      "extended_signed_section_aes_key": "F1880A351907FE376A636AFC083B7B4D"
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+      "extended_unsigned_metadata_key_hmac_key": "41722F4959EFBB23C9B42F5D418E27B5EDA880211FAF1D3FEEFDC2842CA9EA69",
+      "extended_unsigned_section_aes_key": "BF8C2C691C512DBF4F5CEDC8E063BF31",
+      "extended_unsigned_section_mic_hmac_key": "7D62640B7525DCF0C82472AC6A7C6D4883B4E3EF8C37C1C71F312231FBB248A6",
+      "key_seed": "51EB6880092CE831F134651559DFEC9795929D7189E6709515ED23274C2A284B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0315",
-      "expanded_salt": "BD90B41EEF2A2AE15C23D9C2D20B49A1"
+      "adv_salt": "75BC",
+      "expanded_salt": "91BD06EACA3A378794CC6FBA3D205A5E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "13382FE03E347494279EEA4CA505",
-      "expanded_key": "B39F5C91475CDFC2CA4C3DE7A64093CF"
-    },
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-      "derived_salt_no_section_no_de": "1D6B7CC131E9770E47FC71F018705F84",
-      "derived_salt_first_section_no_de": "18F946981AA596AE9806E396FC979846",
-      "derived_salt_first_section_first_de": "37E7354065B9B3E147E3F9A0910715A4",
-      "derived_salt_first_section_third_de": "1F8C824305D5A96D0B2B1E6A64B218F2"
+      "expanded_key": "85DD051F984F5B8AEF8DFAE4A87F9630",
+      "legacy_metadata_key": "90595BDB112588D183E00DB81C6C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4F6A20F4EAF2F7DA0F69C326D0FA1421",
+      "derived_salt_first_section_no_de": "F0CA87C973CF16101CA943D759B4A4BC",
+      "derived_salt_first_section_third_de": "78E9D5D5FED74BCB4771B08F5C5C2B06",
+      "section_salt": "060D22899AE031AE2B378AE2D3D7412C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "B9FB154C2242C8893F19AD8531E5EBB64F46A5227F265F7B909C680850A92C53",
-      "legacy_ldt_key": "EA5082D07EEBEA91999D21EF9F5BB09FA4052C6638EB336BB2D721C72483F6139B315ACA35808FA0814CF97B917366F820DF2AAE56B3CF022CD7D5A9CE457173",
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-      "legacy_metadata_iv": "4C96EFA9131072A5819AA3C3",
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-      "extended_unsigned_metadata_key_hmac_key": "502B96E7E7E5C98001EEB30EE580139C69A36F066BC914D14383FFAB9A83770C",
-      "extended_unsigned_section_aes_key": "D88B0611D3CF2945D60933DBB639B28C",
-      "extended_unsigned_section_mic_hmac_key": "79481FE5DBA77CC2F689CED2D06C94D682A8A1A4B7D38BADFCD40F3E77351722",
-      "extended_signed_metadata_key_hmac_key": "B093B20EBCE9D9565EF1011EF49D28BCAD4352A775C0FAB54AB4FAFDC9F3F0E4",
-      "extended_signed_section_aes_key": "DF8828DF0600D8EBFFAEC4CEF0C7AFA6"
+      "extended_metadata_iv": "52EF54E1E68FCE595E2EC93D",
+      "extended_signed_metadata_key_hmac_key": "553958CA1C60BC13F93F61F3DC4215FF486200BAD0E4264BF78F448B61B673D8",
+      "extended_signed_section_aes_key": "F4A2635D2D57BD627491C3D82BD63562",
+      "extended_unsigned_metadata_key_hmac_key": "D742051957AEFB0D0041D9F5DB9462527A2D6AD80FAA0CFAA0C337D2F678AFAB",
+      "extended_unsigned_section_aes_key": "C7C24B93145FF66F3DEA78D67D8959D5",
+      "extended_unsigned_section_mic_hmac_key": "14637C720BD8BA429ED78BBD158639B2723C9FBA8AB5E148FFCD5ED8276F6130",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "2598D00C63F08FF920BE19183BDD48A1"
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-      "derived_salt_first_section_third_de": "CA7225C74A9AF66FC2052BBF5F77BE1A"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "F3DFC029D9567DCEA89A47451515F1CA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CD9365EE80D32ED491440DAA75D6657F"
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-      "derived_salt_first_section_third_de": "193795BD8331DBE9816FDAFA05048CA4"
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   {
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+      "derived_salt_first_section_no_de": "265EB6864D360EFE356A05BB1FCE7CB4",
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+      "section_salt": "4EB1EF8D7A36FD63EF7BD1093830B364"
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-      "extended_signed_section_aes_key": "4310CBC28430758878E9C94FD6E70CA7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9CD13F34EB33C6BEEC78E9257071F9B0"
+      "adv_salt": "4BF2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "8A0EB5D42F841183C222E4B1D0E671C7",
-      "derived_salt_first_section_first_de": "42A409CB371795C7DBDE1769E75ACF99",
-      "derived_salt_first_section_third_de": "5178EE15441E0D97D318C13FC4835C27"
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+      "legacy_metadata_key": "00A0F7576FA44B9D5FE942AAABED"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "823FC779E4A55DBEFB901525BFA79E6A",
+      "derived_salt_first_section_third_de": "D7B17C5EAC75227914D94FE8A0BEE892",
+      "section_salt": "26A4279A7A96CB79C36E0CA0E6805FB4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1CB19F5A62982A6CEC8647A0F13AEADB"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "54126C62657A7D2B008B6767AD23BF18"
+      "adv_salt": "BC6B",
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-      "derived_salt_first_section_third_de": "15A8217DC8171D76767413F689E705A7"
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+      "legacy_metadata_key": "BEC110CB9EE496604849E577419D"
     }
   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "626513D69998BAC94DE19617D4025219"
+      "adv_salt": "9A13",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "F26C7AA8F8DCEDD962A3C9A912278CAB"
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+      "legacy_metadata_key": "88DEE352AA8D3E94E5C0FD51B06D"
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   {
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+      "derived_salt_first_section_no_de": "9CC711D5D1BEE61DBD42428B3E22BD6E",
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+      "section_salt": "8C0ECFBCCEC179A49CC7D80E297D09E7"
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-      "extended_signed_section_aes_key": "383CD8B4A9A45FA5D3DA45E70369DF59"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1D19CA0E2D0AB238ECF2846178D5FAB5"
+      "adv_salt": "EC2C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "F92E2CB867D9E82424878ECAD7C09FFC"
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+      "legacy_metadata_key": "9EF766CF29870498666F6E0C8031"
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   },
   {
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+      "derived_salt_first_section_no_de": "6FC9CA757D0AD73989C62C93B030498C",
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+      "section_salt": "F2B520F28F7A7EB578401ACABAC55896"
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-      "extended_signed_section_aes_key": "0805F69199FCD715D3669162FFD8EC02"
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+      "key_seed": "DEB72AA5CA5DBFD894B9B4F921F948C85FFC709AB5454443C4714B0FD8F04A88",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8843",
-      "expanded_salt": "C649BC7C0E68965BE0CBBC75574C76CF"
+      "adv_salt": "E9B8",
+      "expanded_salt": "2F79478069D9CC19F76E3300F511FDF2"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "98CD03DCBA020247E054807FF0A0237B",
-      "derived_salt_first_section_first_de": "476447B78F8DEBA2DBDEE7D92988D748",
-      "derived_salt_first_section_third_de": "A83F3AED6F3C4302622FD984063F8827"
+      "expanded_key": "553A716B4DD9B2575017041E77477640",
+      "legacy_metadata_key": "84021B7F67E4869DC5BDDE173043"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "428959CE65504108EEDA614AB69C9FA1",
+      "derived_salt_first_section_third_de": "31D40DEFDE6BB0AD875C7B90677AB96D",
+      "section_salt": "2437F765677CDCD80A3C975FB883A4A4"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "C96159425C3BB0DF84822A7408D876D54087B4574829948D8AA0E9C5BD35A230572F5EA19994156D7464CC2D581536C86E8DDE51ECCA4500AD0D05F7E366F1A8",
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-      "legacy_metadata_iv": "9059F817BAF0CBA687D5F657",
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-      "extended_unsigned_section_mic_hmac_key": "A469653B84A0895999E2D851F83D8FB1DB84BEB9450C37F0AA266E9DC7799D53",
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-      "extended_signed_section_aes_key": "0BC9335B0504D7BAD614D06641AAA3CF"
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+      "extended_signed_section_aes_key": "1AF7989E2D7135236D589224EAD9D020",
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+      "extended_unsigned_section_aes_key": "F73E6CA758832298DD4779E0CD1F9E4E",
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+      "key_seed": "D5DD67023E2455E3C536CC08196B6E64B9C87A8BBC2CDAF0505A22051875323C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CD35",
-      "expanded_salt": "B1DB7F66CD09DA265B3CE03F90AF8D1C"
+      "adv_salt": "A56C",
+      "expanded_salt": "65FEE8FB5EC21CFDC02775A626B9C618"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "36921B16F4A47E26F46C44861C04",
-      "expanded_key": "E377F0880DD038E9680F9A6DCC39BA60"
-    },
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-      "derived_salt_no_section_no_de": "8965487A7E9A676B8FFD9A07255F4E32",
-      "derived_salt_first_section_no_de": "E7963999EEA1048C42187036AC817EE8",
-      "derived_salt_first_section_first_de": "1A0D156C7D5C13D123EF2175433AEACA",
-      "derived_salt_first_section_third_de": "35E0AB1DFE2C35AAC944FE598910C684"
+      "expanded_key": "C442E81B5B79B58C31746143CF81B279",
+      "legacy_metadata_key": "92FC94A14DE054C939C9386FA35B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "AF4D4C240D7C64BFFB822DBA365F0FBF",
+      "derived_salt_first_section_no_de": "AA2F0BAACAC0E04D976ADEEEDFC06664",
+      "derived_salt_first_section_third_de": "36C87526EAD0C9DD8E5BC5AA97FA93D7",
+      "section_salt": "92268FC0BEF7CCB5934BBEFA5A6B94D6"
+    },
     "key_seed_hkdf": {
-      "key_seed": "EC68B7637889B03E9D602DD85ADA7F791AEA709C7227F2088F2CC14FA1BAD114",
-      "legacy_ldt_key": "D1565C8FBE2769DDFFDDEBE94DAF693EE88CB6CFA389EED76129CC1EE2E9E98E0A10D3DFA5D31F4C5518289C710CA044C34BC39EE0DBFE743CA3155E403F15E8",
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-      "legacy_metadata_iv": "6C78DC0590CFDE4AB949D731",
-      "extended_metadata_iv": "0C0DD5B788FFF151E5057FEC",
-      "extended_unsigned_metadata_key_hmac_key": "48A5C96840A9016E8B4682E1FBA9C62A89F486B8C12041734EA571C681689DA1",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B66E8151F24EA6A98748257561A95AEC"
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-      "derived_salt_first_section_third_de": "9EF569733D11E2390E75847B2E42E294"
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+      "legacy_metadata_key": "D8AD493E0EA4B05B986A6DC48818"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "01C692064B318D0AB5232278F14B1049"
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-      "derived_salt_first_section_third_de": "39EDA7193F31B858F94F0F013260DD93"
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+      "legacy_metadata_key": "20221895DC5C7DBB89767E5B7AF8"
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   {
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-      "extended_signed_section_aes_key": "C4B9C7DBF93A9567E8EB7C3B1429E693"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7A88DDBA73DB5B409FD86B626BA5328F"
+      "adv_salt": "3004",
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-      "derived_salt_first_section_third_de": "48FFB6E421BDB221303D1B760192A528"
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+      "legacy_metadata_key": "DD6626F88C472372F418662C12DB"
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   {
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+      "derived_salt_first_section_no_de": "2DF352E6BE9F57518764C1AA877B42C2",
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-      "extended_signed_section_aes_key": "13AE80C0544A09B25422157D502F2F18"
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+      "key_seed": "1A70904701FFD03181027D1DA6725EB43F7C7B73E9FE1C1EF40ED1BB5C99E129",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "46CD",
-      "expanded_salt": "8CFFCA36D6727D28E825DE6A10A279D7"
+      "adv_salt": "5A1C",
+      "expanded_salt": "5DAF0FD9F53DDF9E31A36F8949F33DDF"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "4B534FD8E234FE6CF2D64A268A656C0A",
-      "derived_salt_first_section_first_de": "420AF16845BF4EE39889DE8B9103A64A",
-      "derived_salt_first_section_third_de": "0D20A9FF5190D04258A82F7A87864897"
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+      "legacy_metadata_key": "14F5265F8137D25DD4B41AA55B72"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "535F696631CD049A0BAB635C991826B2",
+      "derived_salt_first_section_third_de": "FD0943A6A685353B8EDA0987445695F5",
+      "section_salt": "EF55D960BBFFCDDD7C658706F7FE018E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2272BE21AC053148F22BDD8CEEE952B3"
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+      "key_seed": "3B95909D18BAD2945915E0E8CBF57CEE32F8015D4843613DBAB0E7E2EC8676D9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E182",
-      "expanded_salt": "1BDB35525F7DEC1575FE2BB211D321DF"
+      "adv_salt": "6065",
+      "expanded_salt": "9AC72BF270728FB4A85B67A769EB227C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1C98AB903BBC679E1E4D89F560B0",
-      "expanded_key": "4F8E11EF6AD8A5E7726A0D59FB3F5220"
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-      "derived_salt_no_section_no_de": "B2EE868FBDEAAF5EB4B30148887C1B00",
-      "derived_salt_first_section_no_de": "DA02C6309B8758BBE91C3DAEE47AF0EE",
-      "derived_salt_first_section_first_de": "D48967DFAA73D3CD1B6F3D6084B9CAAA",
-      "derived_salt_first_section_third_de": "2CC875F56114BE7335F239EA5AE30435"
+      "expanded_key": "6B4310046B283428FA5F4FF4A360D4BC",
+      "legacy_metadata_key": "628AFD0BFE5C5CD52113298366A1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E80FFAB2284BA096A9F94C75C83BE883",
+      "derived_salt_first_section_no_de": "A9FCEF1ED1AFE7CB5A57FCFF28A3B2C4",
+      "derived_salt_first_section_third_de": "E7B6BF128509C878A00DAECABCBAA9E4",
+      "section_salt": "0C308CB11B51F646508C278E17EE0222"
+    },
     "key_seed_hkdf": {
-      "key_seed": "2C99AE4DADC168C1D9B46D79C470F158EBD500475138498109BF57A9DE199F89",
-      "legacy_ldt_key": "B195AAD2E40EC369B1B30B15D3C0B78FAE3596CBAC6CB1EF232EFE618DAC394ABBBC5C3A7F8CAD65D0FF917C86DDB82EA410234C23EB22B27D2F8DD762417F5F",
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-      "derived_salt_first_section_third_de": "F8A26A2235B778D18B603B4673F4D660"
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-      "derived_salt_first_section_third_de": "7CF989ECFA9C7570819CA4087F84654B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CDED7EE341568284E391A436065A969A"
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-      "derived_salt_first_section_third_de": "E5EBE4B456B1D93752DAF166DD4385F1"
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+      "legacy_metadata_key": "E17F381A13DBFFBAB1331F065AB5"
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   {
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+      "derived_salt_first_section_no_de": "FE05D27B0B51FA3FDA2FAFE085738433",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "060D",
-      "expanded_salt": "F1A91B36E6ED4A2E2F2338BC8794F0CA"
+      "adv_salt": "70DE",
+      "expanded_salt": "081571F6B7E4120CF1B8F2675193CE5B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7B75096B8D296E23AC3271F08E8BEA88",
-      "derived_salt_first_section_first_de": "613984455CAC6DECE35E0100ABA975D9",
-      "derived_salt_first_section_third_de": "EE98078CBD5E00C2CB33EAEDEBF7419F"
+      "expanded_key": "49C88193EC3FA8B8A500E649D25A7A45",
+      "legacy_metadata_key": "3F8A00002CC3A595F6A4E0875BE1"
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   },
   {
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+      "derived_salt_first_section_no_de": "6CC30EA7B116E3C1F3C04C5DD00B975D",
+      "derived_salt_first_section_third_de": "B2E462E01F2F33A850AC74C9ED7636B7",
+      "section_salt": "B86F29AF04B20C8191F3E58EC83F23B2"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "1E36426164DC6850F5BEBEABEEC8B97A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6004E51A32C1AB58D863734055D0A4CB"
+      "adv_salt": "AE7B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4E5821F81AF9C6A6C67580D68585CDE1"
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+      "legacy_metadata_key": "79D7FA6CE3D3623337FE1EB6BD83"
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   },
   {
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+      "derived_salt_first_section_no_de": "AE63C935817585CE43E289C7DE8812FB",
+      "derived_salt_first_section_third_de": "073B9F194294FC657EA20D1DC5E4F20E",
+      "section_salt": "3539C41F03A2A84649EA18BB35D3E11A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C4D5BFC62A35ED0F1F7BAFF5A91B7DED"
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+      "key_seed": "215E7CAB995EBEE98B4B3E8ABE889237D1E81AF90117E30BB45DD95A829ED758",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0B570BE79FB4A9F7E6CD66ABDB8EDA0D"
+      "adv_salt": "C614",
+      "expanded_salt": "661E1B1937F4A98F236EECAC4D05D66D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A206A400F68362BD9BEC0FC7D956",
-      "expanded_key": "13A01712FC9A5E38C3033FFD11C29F21"
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-      "derived_salt_first_section_no_de": "E36CD3410610D9ED2ACAC0BDCEE18DB0",
-      "derived_salt_first_section_first_de": "DDCF86A673EA38315B0B91BF98ECEFF5",
-      "derived_salt_first_section_third_de": "E1442C241D634D82514AA0BC93209583"
+      "expanded_key": "A5FC316EDCE5B7C7F20094D26E309840",
+      "legacy_metadata_key": "C77D58791B32338E0820C894003D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "9A53C753650F4AFD61034110E06C0F14",
+      "derived_salt_first_section_third_de": "3DB89D7EEEBA759FA76DB8D5B1DC292D",
+      "section_salt": "3833F40C4974B38BD57570C497EE5902"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AE6E806FAAE74917F6D164E4",
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-      "extended_unsigned_section_aes_key": "599F30B9874964FE47A4D74EB1493DE0",
-      "extended_unsigned_section_mic_hmac_key": "324143D4E4E0BC81EC9AB7D1A84A9960EBF4FA0CF9DBF3A3B35A376030A7FBC9",
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-      "extended_signed_section_aes_key": "0E665DA145D1547710C34A764697192E"
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+      "extended_signed_metadata_key_hmac_key": "C462E61176CA3B00E36B6646EA77FEFE27CF9BBBD0B1CFE8A3B0D4B7DD53BE6F",
+      "extended_signed_section_aes_key": "6B4C832B1D1A9DD2DBA6E8DFF282ECBC",
+      "extended_unsigned_metadata_key_hmac_key": "2A269005BDFFD1F95C9F32C0F11F5A1DBDF3FFB81DD158FFFADFA798AA6E112E",
+      "extended_unsigned_section_aes_key": "D5A4E3BEA29D4ECA4DA23157F5424B28",
+      "extended_unsigned_section_mic_hmac_key": "6A9D5EE345CC73EDED244E5B751ECCBFEE36F5B3D324D9F7FA3F3B2EAB9CD507",
+      "key_seed": "77F7D27C7310AB2751129C1538669386170211F516B8943680B637CF65115922",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1C06",
-      "expanded_salt": "22F58C4B293A13980BEB5A282FC850F2"
+      "adv_salt": "EFAE",
+      "expanded_salt": "073EFF9D17B507883F9DE696E97CC159"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "58982827C4DA0A920F04CDB4C36AD051"
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-      "derived_salt_first_section_no_de": "1D8A4EACBB49B8AF0781983C16B8F1D4",
-      "derived_salt_first_section_first_de": "A3C0EEFD9DF691C5B8EBF576D865AD8D",
-      "derived_salt_first_section_third_de": "A71D414169ACE7371B36653B75D2C20F"
+      "expanded_key": "29BF47AEE08B9947A6ED248BC8A2812F",
+      "legacy_metadata_key": "DF5A73536DBC553831639AAF91D3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "15372A5233398780C8D2DACAD8759068",
+      "derived_salt_first_section_third_de": "E3FDCD0C19A3A8E25A2245886F936E7D",
+      "section_salt": "F7F76998EEC097CF359DB5526781F922"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "60FB9068B2CE7C40EDD110FAA5744494"
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+      "extended_signed_section_aes_key": "18543734F0CC7C83FBED4A6D2ACFDCCA",
+      "extended_unsigned_metadata_key_hmac_key": "E50DB2A585BC8619B6B7B1D3D34D62163B8C954D1F2035E55CC65F0AD5A1DD24",
+      "extended_unsigned_section_aes_key": "A897E2610119613B46860D3A079753E2",
+      "extended_unsigned_section_mic_hmac_key": "E71ADAF96492060F84C4226A1AF82B09B138C0AECFA6AD22C79BE12A75848A9B",
+      "key_seed": "948CF867973C255DD717A80B5DD56BEF6DB8351F82C3EC171FF89996800D7B2D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9B78",
-      "expanded_salt": "DDD4BE46823A71FBC01BAE325A0542D0"
+      "adv_salt": "1991",
+      "expanded_salt": "AF1A6586D46A19C2E4FED4BDE96E0597"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "399960E30A662434A582D149EE52B730"
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-      "derived_salt_first_section_no_de": "A477D266BB3DDD90AC37DCBB52CCB3A3",
-      "derived_salt_first_section_first_de": "CC889ECFEB57A1DC3A421332710EB0A0",
-      "derived_salt_first_section_third_de": "18450C67FE475D2E468FCF10508AC762"
+      "expanded_key": "F35CBD9AB3F05F44DA4577EFC9F4F760",
+      "legacy_metadata_key": "B86A5BECAD7AA2058DD5B4D9F971"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F2536E1E1DDF421D85CA5BAC1DA90FE4",
+      "derived_salt_first_section_third_de": "FFDC5FD04FD047639ACB940BD1A55440",
+      "section_salt": "4C516DDE3A716FB69078ED9A50590A3E"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "32DDBE65ED45787BBAD5EFF9",
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-      "extended_unsigned_section_mic_hmac_key": "3F910925C1D9A412536DF6A5CAFDF9377AEDE62A65F9708DDAC3EEA1485832F3",
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-      "extended_signed_section_aes_key": "8D1CC8585C9028085C3EFA087C35FFDD"
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+      "extended_signed_section_aes_key": "3852E3BE071C3FBB8184787D7C938151",
+      "extended_unsigned_metadata_key_hmac_key": "BA28362E73A1ECF477879DF2BB3863DDA6DAF840C8C3D11C857F061D0B364C2A",
+      "extended_unsigned_section_aes_key": "C0DB224DBAAF2A2D1F4F32547FE99818",
+      "extended_unsigned_section_mic_hmac_key": "DA9AEBD24A56ADB334E77EC4B5BA6143EBA90F9D482F5270F337F56773C328F6",
+      "key_seed": "4F4818C654C55CCD9EB278B27F0C9B22F01A1E277D47483CA91A5967E600A435",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A31A",
-      "expanded_salt": "D7D3B94AD62FD21C581177A7003D4C7B"
+      "adv_salt": "07C5",
+      "expanded_salt": "DD94DC3924D02E0707DFBA8A6F96739A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E31D957EA8F77BCBD9A3C3FDC4A5",
-      "expanded_key": "593600F26FBC6C21F5D4DAF2BC48853A"
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-      "derived_salt_no_section_no_de": "8ACACC17B08721E01D43D461C97805F7",
-      "derived_salt_first_section_no_de": "F718526A3AB622F2A1140D0B258034F3",
-      "derived_salt_first_section_first_de": "D88A08FA1E7209ABA3E969DC5D274836",
-      "derived_salt_first_section_third_de": "83597ADC6D7256720FEB3FB8C2E6644F"
+      "expanded_key": "962B5616D6BEA587BB90CB7F50520831",
+      "legacy_metadata_key": "7EB0D0CE89D2C7B89A118BC4B333"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "9E4DCA050E74D798B14B96B38196AC1D",
+      "derived_salt_first_section_no_de": "5F3292A3710FE69CE323A8FCC7FB93C4",
+      "derived_salt_first_section_third_de": "C1938982F9420E51E4EBB9649C4A3871",
+      "section_salt": "114F5FD3F94CF108932B23B195483B09"
+    },
     "key_seed_hkdf": {
-      "key_seed": "F73B1E74182343CFE8F4A45BCE8F392A9C80486CB73A9EFF9E2864D9DE05D496",
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-      "legacy_metadata_iv": "66C3891F99E9BA50F57183E7",
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-      "extended_unsigned_metadata_key_hmac_key": "BD49B77D68C23BBF2321347BD3FB1BADD2E0EF93E6A8A7E526C060CF6A0F8BD7",
-      "extended_unsigned_section_aes_key": "F53CCF125C1E9E24B7CEF201785807A8",
-      "extended_unsigned_section_mic_hmac_key": "072104C85DF97260C827BC0A78AECA1D6A80D65FD267D78242C343B404071011",
-      "extended_signed_metadata_key_hmac_key": "EC4D2F7BCFC6F32A9DE1D4FF19769ECC2B267A59FA488E6907211F4A86F71B01",
-      "extended_signed_section_aes_key": "23F14E84A1792E71CFEC45A9FEAD0442"
+      "extended_metadata_iv": "F93CA28BC1FDCB236AE317C6",
+      "extended_signed_metadata_key_hmac_key": "F1A371F80BCEC9D12CFE489C07769F279287D37235ECD929C4C510636D82CF8F",
+      "extended_signed_section_aes_key": "4DAB4639982F3BD85C9D21882BA21D8A",
+      "extended_unsigned_metadata_key_hmac_key": "D251AD040C9D5F33DC6BFF9F54A01DDAFC8FCA501670DDE31C1E3F6573EF4A1C",
+      "extended_unsigned_section_aes_key": "DFE43453F5F367C8378067C84B48CF34",
+      "extended_unsigned_section_mic_hmac_key": "820BE35B0DD0031C7FB1B1472F8F5308DEBAC9F5B9FA8ACCF10142346656239A",
+      "key_seed": "D7723FEC88816D161453D8ACDC673E2DE88F7AC07B05775F46415DC734FF338C",
+      "legacy_ldt_key": "38698CED4CDEB3C296C378788BD6216D53895C6988903C1E0D4E91063F53A8E4C27A71D5E90A1E92DD4C9DFC13DD9E80553B4AD4DC3DB50F88BE0026471029C2",
+      "legacy_metadata_iv": "7E3ED84D7D46D801F87A3E08",
+      "legacy_metadata_key_hmac_key": "98F7D55A6AF7B2169CAA82AEE553882A8BAEA252F8918F9AE68C94F1FE97AEF4"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "64F5",
-      "expanded_salt": "3750BC073CD36F289BF9073095DE6ED9"
+      "adv_salt": "1CDE",
+      "expanded_salt": "AF25E0B3514D43B1C3545324F1727F12"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "66F562ACEDDCBBF64DE3631B01F5",
-      "expanded_key": "9A7EFE4F1AA8E2FD6131C84341B409D6"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "F170685254B73E16487B701AB11BE07C",
-      "derived_salt_first_section_no_de": "53E2015C1345F9C4DB059945459401AD",
-      "derived_salt_first_section_first_de": "E75370342212893D48C022C4FA695DA6",
-      "derived_salt_first_section_third_de": "8208CFAD1DC82AAC5C3E72400B3A1AD0"
+      "expanded_key": "88937C374550C3EB3B866FF5D1D14C8F",
+      "legacy_metadata_key": "5A7B5EDD475399B41A37A89124DC"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "C1D937711FD96A2E54ED7FFFD5FAA1EA",
+      "derived_salt_first_section_no_de": "53721574ACB0ABF7B6D2466357966D49",
+      "derived_salt_first_section_third_de": "10EF1CB117146514623BFE08AB43FC0F",
+      "section_salt": "A24110770690D07C7E04526B479EBD1C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "DC68232DBF477E81679FBE7843752D6CF8DF3D2505AC47F5931372638C2835A1",
-      "legacy_ldt_key": "C3C8BC7FE5B6DE9A59A8E228D13E015B50F4BF1AB23E285BC6226C076A80CC16891AEA8FF36DFFF67AD7412D4C320973AEEA855C604BC9DD352E1AE0D144202A",
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-      "legacy_metadata_iv": "159C693DAA2D4D236FEBA7A6",
-      "extended_metadata_iv": "476E8CF97025DEE67A05B81C",
-      "extended_unsigned_metadata_key_hmac_key": "C16BA2E9921A3692D46068945DA1FA6D46B40D646CB337B37B1FF50633BE95B5",
-      "extended_unsigned_section_aes_key": "5FC7B90D0AA0F011D3F6A75104D1AD91",
-      "extended_unsigned_section_mic_hmac_key": "C86CDBBEB65723CEF79055FC2BD1080A1AE083FA036AACBD3F251D1F5F1038F0",
-      "extended_signed_metadata_key_hmac_key": "9367F1C9CE68289CF66A46C29B25B96508D10CAB8147820B920E13A21037C950",
-      "extended_signed_section_aes_key": "2DA203A005DC0968767C58100D4A1C56"
+      "extended_metadata_iv": "F151E5E54345CE546405A709",
+      "extended_signed_metadata_key_hmac_key": "80ED1D84F84AA5DBD9619710E732B77CEE0B4BB23A06BA7426A419BE55FA56D7",
+      "extended_signed_section_aes_key": "6333D95411651EE7F5557BEED5C4885B",
+      "extended_unsigned_metadata_key_hmac_key": "515BAC170BD196A6972413CC173E4A4B1E8524613B7ED09F5C2E5CA93FD5D592",
+      "extended_unsigned_section_aes_key": "6D29E64D0CF85A0105481127903875BC",
+      "extended_unsigned_section_mic_hmac_key": "7DBBCCBE486AF2FCB09963BAFE3DC746CFD0B73D545E76806A325185AC69E5DE",
+      "key_seed": "D0788EA21E90D9806659CEE1C156DE6B64710ACBC73F79FBDAC64BF52B91CDC3",
+      "legacy_ldt_key": "C3EDEBC6725AB5EEF71E66FD1C814F97A0430851D308DAA5BAC5A037E931018568478021D25F06BA1C50F9837F0F3FA529DA367B5551B56898D49F719D568B01",
+      "legacy_metadata_iv": "80E7BF942F2CB230244B2906",
+      "legacy_metadata_key_hmac_key": "67DDA4CB8FB5561099891730EC1CA9FC47DC0A2F3FADFDB8593A13689E778CDE"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B10E",
-      "expanded_salt": "295CCB4E8CFD6B56E53EE1CBD7915947"
+      "adv_salt": "F4FD",
+      "expanded_salt": "C69CC61FDEC89009B3E55970E8A9F501"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FE4A3B98344E5FDCBA0F6C4D97FC",
-      "expanded_key": "B9C4715AF8DFD685136716E2EE31560B"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "9FD595ADFC8771F37317BF34583234A4",
-      "derived_salt_no_section_no_de": "62F70AD5313BF670B6C514D31F44666A",
-      "derived_salt_first_section_no_de": "10BD7098C336013B654E7BDFEBB15B4C",
-      "derived_salt_first_section_first_de": "530E71170CDB58CB709BABAFA82537E4",
-      "derived_salt_first_section_third_de": "F163626488392E5816465C60069236C4"
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+      "legacy_metadata_key": "8A83B0A39B929086E6153FB211FC"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D326FC53F0BA067F656DAF903A22F470",
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+      "section_salt": "6D356C05711F33C1981F9BDC68F51154"
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-      "extended_signed_section_aes_key": "51352680811279DB26D582BA532100C6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AFBAAB636264752912DB7026097D600E"
+      "adv_salt": "00AA",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "9EA69E28842DD028AE4A1C8B630361B2"
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+      "legacy_metadata_key": "6939B34C06E988B7BDC1DA43870F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E3DC5EDB4D56CE22A8AFBA7A65BCA513",
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-      "extended_signed_section_aes_key": "1D97185976DCFB07556282952441D1DB"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0CAD98A62BD868796951BC333B0DAC72"
+      "adv_salt": "0F2B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7D9B96A0808BE5F9E79EEECAA9DE027B"
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+      "legacy_metadata_key": "856A3CE5B171D2B24B32744BBE56"
     }
   },
   {
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-      "extended_signed_section_aes_key": "38BE8858B6D6AC71B6E8FCC202A808D4"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E9A87DD4AF0292F2B277E23ECFC472C5"
+      "adv_salt": "E940",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "18E26B39993F1C73C636C3558D6A68E2",
-      "derived_salt_first_section_third_de": "EB3B6D9D92AA999ACBFCA7A77646DC5A"
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+      "legacy_metadata_key": "72B5B4D4FE447E4A91ACB5210E15"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5F96AAA71BFABC7C38B4B09C7FC69931",
+      "derived_salt_first_section_third_de": "FBE6F33228788C93295440D6258681C2",
+      "section_salt": "A0DF1DF4C9893215B927021D0D0AB239"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "277A4A47DA90331F29CEA5AE9A3205EE"
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+      "extended_unsigned_section_aes_key": "C1B87AD84E400D61A2028E9732E3DA6D",
+      "extended_unsigned_section_mic_hmac_key": "76478793A41487E0A1F90B186A5F6754BCDD08FFF487AC319BB7D39F014F078C",
+      "key_seed": "6980A6383618A242692210981B0E415C6873682483C7E5CD012E2F6B96DDBD5C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9E63",
-      "expanded_salt": "36D7AD840CB3C363469B0F2D488818F9"
+      "adv_salt": "4CC0",
+      "expanded_salt": "55F571FC86826AB892BD9C9B9165AA3A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CED07A25DC3B3112BBCAB0E02A78",
-      "expanded_key": "A9F058B0A9E8E3DA04605F277ECB8774"
-    },
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-      "derived_salt_first_section_no_de": "4446F835C5304CA61906B72CD65DA048",
-      "derived_salt_first_section_first_de": "47F8469B70ED21C9233E6BF1466F36C3",
-      "derived_salt_first_section_third_de": "30492AAF2AE7738C9F6D6ED221D19C8A"
+      "expanded_key": "F5EA9C4355FFF856B0A13C7F8A01FA0F",
+      "legacy_metadata_key": "D14D99E7532677A065BE81FE1905"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "218DD3134D0EF8235AC643B5307F49A7",
+      "derived_salt_first_section_no_de": "0511C756DF58F4BD5D061CC52EC7471C",
+      "derived_salt_first_section_third_de": "A72FADDC95D3D5D050FE8ACDE6BB3FFC",
+      "section_salt": "89857AE659B9258FDB092F4E264EADF4"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "EE6CC2D6D3BDACEC999BAC1E9BB506B0524749ACDC423BFAB6EFC9D43A992888A9771ED540661428860C9748235A4C30A673CD54B485585F279988A63C1AC9DD",
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-      "legacy_metadata_iv": "41B33011AE706B638B19D8BF",
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-      "extended_unsigned_metadata_key_hmac_key": "6F764F19BC891FF77F3C35959F9D4850FF189A58141207BBDCB7519447CFD1B4",
-      "extended_unsigned_section_aes_key": "F8C9DA301937DE28616CE87FA8837926",
-      "extended_unsigned_section_mic_hmac_key": "C3D3275133812B778DE29E6A223C776DACC6EDB2F1124C100F27444899DCB14D",
-      "extended_signed_metadata_key_hmac_key": "97491D23064DF568B4E3403FC24B0AAE5192493227C7094391026F853272E2C9",
-      "extended_signed_section_aes_key": "532A1EABBF94D70493AE3DA5B00BE5F5"
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+      "extended_signed_metadata_key_hmac_key": "566A890BFF15DEBE0060A8CDE996E7807567E08B7D880EF27E76D656D36755B6",
+      "extended_signed_section_aes_key": "ACA04E117CADD9B1E26B7B9AADD97D3F",
+      "extended_unsigned_metadata_key_hmac_key": "FA3CB6065C9ADE3779934FC965DC587D1D6F1DD704AF23282781F7FE77AF2BC1",
+      "extended_unsigned_section_aes_key": "C5C80BB65F213C3C69C4EB33E3FC113E",
+      "extended_unsigned_section_mic_hmac_key": "8018FB6BE51DF1C2586BF6BEAEFE0B4871CD6F26731AF36F016B41109A2772A9",
+      "key_seed": "C6BA51A817BA085DDE9C7073B99A9DD58F7CB02C0F1AF43E28911A2DD75A7D90",
+      "legacy_ldt_key": "6AA3505DA5B60AF61A1E767F0D2723975261EB3B8181C9D1941D11F28894C03A2EC72DAA18914CDEC09B4A3B9B704F0E2D2271FEB1A1FE0205AB10123E480FE3",
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+      "legacy_metadata_key_hmac_key": "87484EB4EF357AE6C8EBE9FB0BD4823EBBEC8A1CA069B5DE68BF789CCCFF9888"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9BFF",
-      "expanded_salt": "2ED3DD8409AAD63DAB5CA2E19FABA60A"
+      "adv_salt": "C07C",
+      "expanded_salt": "4153B279721E1C6BD6B452D6F51BB5E4"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "115DC89E06C18B3AE359E59A132E",
-      "expanded_key": "878B92175E3B23A9606C895E8CD66D86"
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-      "derived_salt_first_section_first_de": "51FEF50CB657067C617183381EE1A977",
-      "derived_salt_first_section_third_de": "078417AD5C516CC7B91C5B86C60BB047"
+      "expanded_key": "D01536AE0A101100ED21D7B0F96ABEBE",
+      "legacy_metadata_key": "6EBD3D1F64FAA9D24D8356570311"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "18EC947E2C565D6D47263C97A96E588B",
+      "derived_salt_first_section_third_de": "D9BBC235E125AD95FB8F47934615E72C",
+      "section_salt": "1617C68A4A3E0EFAA17101E6245BE3D8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F1CF6EB1A4DB74CF83F2AD6172CF18B9"
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+      "extended_unsigned_section_aes_key": "CF3AAF56FED1A2038AEC624FF7230F6B",
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+      "key_seed": "A90713CE129F0689C5F7B43CEC1BD3B35F21363D18192AAA014872D77F772C2F",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "907D4B06ACE8C008BF1B4C6297CC52B3"
+      "adv_salt": "F9F6",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "826C522F7B742A5EAEBEEFF77E232707"
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+      "legacy_metadata_key": "7B271F39BF4556AA887D999B848F"
     }
   },
   {
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+      "derived_salt_first_section_third_de": "EF844FA2D48EB667241C5C56528798DD",
+      "section_salt": "EAFBAD64AE491E671BA4234C533DF5B1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3F84F41E3FD43ECF9D3B11193CE229F2"
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+      "extended_signed_section_aes_key": "FFB47DE37409B42FEDBD886DDF1BEB0A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C228",
-      "expanded_salt": "EED7073B5F9FAB58C338BE56862DA111"
+      "adv_salt": "5FD0",
+      "expanded_salt": "67A633BB440AB8179EB473D61BD5AB35"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7C3574E712E7AA496ADD380AAF135A76"
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+      "legacy_metadata_key": "882725234AF9A40F15FCA43AF54C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8059D3AAE5DBAD8FCC1CCC47549D3793",
+      "derived_salt_first_section_third_de": "3D220A240FFF1EC72C725E2AEC377BA1",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "32A4DCB85F0DAD492F62F55FAA6C032B"
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+      "extended_unsigned_section_aes_key": "4F77724695CD7EC2BED9FD60D6E70080",
+      "extended_unsigned_section_mic_hmac_key": "419D355C0E83F37643D10480F67A4B33CB353D0EEC131F48D2941AAD34455230",
+      "key_seed": "4D4C2BDA42C6865875C1488C80E34FB8566CC90D74F6B45A5F6F84B728F254C1",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8D67",
-      "expanded_salt": "1EDD7EDBE6A14A919CEF72E7B9BE512C"
+      "adv_salt": "6314",
+      "expanded_salt": "701B04F945EFE9063C0304AFD07E9964"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9577F25766157B6097BD1440B67D",
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-      "derived_salt_first_section_no_de": "E4D172A1F59EAF20BF37225BEB4C5D3F",
-      "derived_salt_first_section_first_de": "AC5D2B68CD61F02718D8CA68DA573606",
-      "derived_salt_first_section_third_de": "81F755E0C29A15EB6B9C0B15DC718004"
+      "expanded_key": "B50693651B3142F60E20E00C341B2C65",
+      "legacy_metadata_key": "C2A13528885634FA2A62E8DC2D1B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D01F1A6D9FDF49273A672B05E516A635",
+      "derived_salt_first_section_third_de": "77866560E7E7F6F156002B7019DB8F8F",
+      "section_salt": "4169E9D99BDCD5770DF4CF0BA8910389"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5A7E4089B49985042AFF069F",
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-      "extended_signed_section_aes_key": "B282B446C265C3F5B36C3B7D15A1F413"
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+      "extended_unsigned_section_aes_key": "FC7B7537002D994587840A4CF20D614A",
+      "extended_unsigned_section_mic_hmac_key": "D32B4FC9B5A61C27B4A05C4C1EDF28B592BC146EBF24ED5056312BD4F9D5304C",
+      "key_seed": "047E99E27F39D4DB1FF69692E1ECE59C0BE0F7F062C5F122D12198774DA80EA2",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E7CD",
-      "expanded_salt": "3B05E6B7CD330F5E382D009C154B3AB9"
+      "adv_salt": "5AF5",
+      "expanded_salt": "C871C91ACC93403EAE4A3D26DA046390"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "50A3304B5B253354C6773CF06A05",
-      "expanded_key": "778C8F0F4C2D5FAC881F7F6C72636074"
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-      "derived_salt_first_section_no_de": "A85D5071642C2F644CE87E838C5F059D",
-      "derived_salt_first_section_first_de": "A458E9BA8FC9CE2A6326ECE2BA302148",
-      "derived_salt_first_section_third_de": "987C4B083E181B44786365CAE35825F4"
+      "expanded_key": "E19F8F78C94B52ADB06B42E27F3EB1EF",
+      "legacy_metadata_key": "1B4C107E6184FB18D64BE0BED831"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "532F6D155A90564ED5453DCF53739D1F",
+      "derived_salt_first_section_third_de": "77373CAB0C575D173DC00B9A00F16F66",
+      "section_salt": "D3CC07C75B77DBA148E529F633F6F679"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "8E19C26750B2857C76D7C03E6FDD349DDBADD19BDC93056174127201B29CEF646F7AF957D78920009B97D367310E7B6CED1CE42FAAD90EF3B223558C816657E2",
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-      "legacy_metadata_iv": "45C475F4A67D0A2F52924948",
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-      "extended_unsigned_metadata_key_hmac_key": "2C4922E043529BE2113BAF2644555013C41C7A08B30DB98BAB86C4F06133C2A1",
-      "extended_unsigned_section_aes_key": "2606AE7A9B21EDDEA6C22E624846644B",
-      "extended_unsigned_section_mic_hmac_key": "CAAED3112C0CDF917894EE0F754FEFDB58BAE0ACDC411843A33F89F67DEFF1B6",
-      "extended_signed_metadata_key_hmac_key": "A80A62209E9DCFBBFE7B099D7CCE90DAD0D1BEF40F09A5F47FD04EC28FA7323E",
-      "extended_signed_section_aes_key": "AB1DA3E92541B368122245CF56AB90F6"
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+      "extended_signed_metadata_key_hmac_key": "ADF26CD54AF200E77CD63E76417623AAFB960ACD742EFBA83A3F24B1E0D67372",
+      "extended_signed_section_aes_key": "FE7DAB74430D6382B502048C224F85BD",
+      "extended_unsigned_metadata_key_hmac_key": "ACC76CE380EABAE7656C3B055EB7FFF5B2A5D3290038D81DDC61976088852079",
+      "extended_unsigned_section_aes_key": "C2C3B24F76A59DC3D0C1F8F0191D8CB1",
+      "extended_unsigned_section_mic_hmac_key": "160C66C1CBC5D72EAFE1B112CB51625B2FA79D637E92C776AAE9B66D3A1607A2",
+      "key_seed": "DA9FDCF72C10212971EA5907B9C5AFB77765575AC782DE091CB581C2E0C6B316",
+      "legacy_ldt_key": "AB4883103482C1D85D9C27796541F95391B9F16DDED11114720C76605E8CF8BB5A9BDE1041EFA058E7F1DC911C4AD5A46C8F45BC1355C0DCA04BB1A69CD86942",
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+      "legacy_metadata_key_hmac_key": "CC8E2841F31830A3DFA45DCC514DED31180024392DB56D1F59FB5355C7CB8393"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2AF2",
-      "expanded_salt": "45913FCB763099DA835FD050A774AAA0"
+      "adv_salt": "8023",
+      "expanded_salt": "07C52D9DEFD7A08CC034B6F5BCA381BC"
     },
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-      "derived_salt_first_section_third_de": "2600142D2581A717DAF89F7BE5BCA098"
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   },
   {
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+      "derived_salt_first_section_no_de": "D1E641065DFF265317B51C95BC6161D1",
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-      "extended_signed_section_aes_key": "1C6C2525919F7522CB74644F272121D9"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "388D243ED46C31D5074E39424E19F3BE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "58D852DE3202D30CC199002E65632C98"
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-      "derived_salt_first_section_third_de": "705FFACDE66C8CAA95883DEA8FF595CA"
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+      "legacy_metadata_key": "1ABEAC5605E50F89DDEB17AB1CC5"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4018",
-      "expanded_salt": "91167800258069E804B3499CA80F550D"
+      "adv_salt": "2F7C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "49F63CA86EE97A4AEE5310FF8033761E"
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+      "legacy_metadata_key": "DFE69AD2E557837C54078572EDD4"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "35EABC0754171097EF099F0899206F18",
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+      "section_salt": "73121E139F68945396585111A1E79243"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "EC8AB1F5699FCD814426E9592144D5DA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "92EC12711EECD90CD210F2C673DFC160"
+      "adv_salt": "632A",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "481562E89915B592FBBD3AC8306E5A0B",
-      "derived_salt_first_section_first_de": "C893D169E62D4838C7206ED4C42F570B",
-      "derived_salt_first_section_third_de": "4F202B5123C692CADFA382FB7E3FE1AF"
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+      "legacy_metadata_key": "BCE694E5BDDD0B405A1A41B190CE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "AA42E7E4C89EE5E9F75C5A25D8936F80",
+      "derived_salt_first_section_third_de": "35A0688FCA39A581A81CB8392AA84D9C",
+      "section_salt": "582AFABC825142428FCD0D7410358B29"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "9C1A0F3BBEB23C46FFFF0C2B0AFB89B4"
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+      "extended_unsigned_section_mic_hmac_key": "EC8C839113E762BA21BB8D6905B5764859A3F0C450228C7DD31E18FA46B17D82",
+      "key_seed": "377D16705BBBB64F5FA29C0AB02D12D214AFE23CB83F0C193C811C0C44735269",
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-      "derived_salt_first_section_third_de": "C863B82EF2384759B399F7377887E28F"
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-      "derived_salt_first_section_third_de": "FEDABACAA372ADCFB1222DAEFF19953A"
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-      "derived_salt_first_section_third_de": "20A5B2753B437687C566EB20E3547155"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "9D74457833AE6FC5481E3CCE6F8991F4"
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   {
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+      "section_salt": "2E0444BFEDDFD9E0433CC493553DF99A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6F862CA2F51B94144C077980B890442E"
+      "adv_salt": "3A82",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "E8C960DAD50E97E419B088D453E34C27"
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+      "legacy_metadata_key": "A6203E5F4C146CE7D00620DB3A99"
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   },
   {
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+      "derived_salt_first_section_no_de": "77B297AC242ACAC030146D8B1B11BA03",
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+      "section_salt": "6EFE42038529B5C420CE4DF832BDF63C"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E9A446E6F9E6FF05009C6F36F47C8109"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A211FD9FC647F2BDCCA4CC8FDB7CC880"
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-      "derived_salt_first_section_third_de": "7744BB4ED460F1558A8CD192125A0225"
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+      "legacy_metadata_key": "AAEE5B88B6704AB1B804BE07AA6D"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4B91FF84A6EE14D05D7C8D81B1011AB6"
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-      "derived_salt_first_section_third_de": "CAD4439A36AD0D750F8C0B68055D14F2"
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+      "legacy_metadata_key": "93BC2A219B842F8DE8BC13539300"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6C60258E37944B41A24C238CB38A2368"
+      "adv_salt": "71BC",
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-      "derived_salt_first_section_third_de": "FB98F30C763F70FE1FA9A9D6958D4272"
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+      "legacy_metadata_key": "3F6B039C97749A41DCFCE356F24F"
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   },
   {
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+      "derived_salt_first_section_no_de": "419C6971021C1675BE67831196B2135C",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ED62",
-      "expanded_salt": "A726735A0625E575728543AB3AB7342E"
+      "adv_salt": "362E",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "22354034DC0C6B9750B9C2AB6412AF63",
-      "derived_salt_first_section_first_de": "6ED08BF6F49250438FE256B480D2B8EC",
-      "derived_salt_first_section_third_de": "FDF4E937312F80E23E828BF67A98CE62"
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+      "legacy_metadata_key": "15003E33835C05967C157B232590"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CE9ABAAD6B833F392EEF7B7EB27C6E9D",
+      "derived_salt_first_section_third_de": "915E34891BDD26EAAA57A05AF94DE0F1",
+      "section_salt": "2524AFF4A698699F0021385EB9D087DD"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "289D7F324FA7D9E54C53BF1AC416E68F"
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+      "key_seed": "8089CB5782662EFC3A71BCBB0DF7C3155722778991B16F0DE46721465EC9DE14",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8D29",
-      "expanded_salt": "9F4A80DD6BA013AFC8805DE7C2C7E642"
+      "adv_salt": "BC18",
+      "expanded_salt": "78809A23A7E90F4A8B4066C1ACF00F4A"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7C591C2ABCD801938219195B03F5BB32",
-      "derived_salt_first_section_first_de": "5D8E76B534717868A09F988B7E25A5A8",
-      "derived_salt_first_section_third_de": "23B8DFEF59A547CC1A94E1A7F3C03D0F"
+      "expanded_key": "33421402AB524F9F8CBBC640CC981D3B",
+      "legacy_metadata_key": "5F3FFA1658732A76CED85013EF84"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "2E62F9693A066875E1A19E821E072F6D",
+      "derived_salt_first_section_third_de": "B644D51DC8F59C526D028A8D10DEA655",
+      "section_salt": "E199E0613832C97C2880194F295320EF"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D644EC7BADA9EAB53944FFA0",
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-      "extended_unsigned_section_aes_key": "1EEDD23C740A1C5C851746FD719529A5",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "FFF53243EF8158A19583E018055E42DC"
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+      "legacy_metadata_key": "CB1E5A98FF90880F922237CF36BD"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "CE1E73CD5DA003D8AACD5315702A3BD0"
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+      "legacy_metadata_key": "2B3FEE60061FCD44548744E88D6C"
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   {
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-      "extended_signed_section_aes_key": "DE4073EC29DDADDE060AEC24EE066721"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "83630FBC1B69443F41B6640C4D4EE27E"
+      "adv_salt": "CE05",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7BE46C68DF1E0E3ABBDA05AE97B2ECEB"
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+      "legacy_metadata_key": "CEFC50FDB0061D4BC075B906EB6E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D61ADDB77A0A841D302E473B50122299",
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-      "extended_signed_section_aes_key": "FB095E820EA32DCC8929FB24F225ECC9"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EF29",
-      "expanded_salt": "CEC8E61B8ECE55B55313ABFE4D74B447"
+      "adv_salt": "E04E",
+      "expanded_salt": "C53E933D8CD70A8C49C3BC8236072BCE"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5DC953202E220DECCD7F1F385998CD93",
-      "derived_salt_first_section_first_de": "F8CC4A7B438CD3A6294EC76C448D11C4",
-      "derived_salt_first_section_third_de": "5F1602F59B76AF80F902E3B3555999AC"
+      "expanded_key": "D775EABADA92C50D2989466E89314B36",
+      "legacy_metadata_key": "CB298B74FF25857B86581C2BE3B5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DE9C8DC489161585E9CA440BD62FE1C1",
+      "derived_salt_first_section_third_de": "5FABDDF843F4D8EDC1C24719AC8A375A",
+      "section_salt": "B2C492BD6A72C19D23FAF18A75E1D945"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "75D72C237A049DF065AE6D7DBB67E912"
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+      "extended_unsigned_section_aes_key": "944E2D0BA184B1CA6F56C0424AE48AAD",
+      "extended_unsigned_section_mic_hmac_key": "F379C6F0EB3D12C0A5E174E2B8CFE75AD521B104FB506CBB731045B35C7484B2",
+      "key_seed": "9652EBFD1062141ED1170E9E06FB7F002204AD7431D85987224913CCFE7129BB",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4CF5",
-      "expanded_salt": "54A21A3FDDC0C4579871C3A03E63B9FA"
+      "adv_salt": "5536",
+      "expanded_salt": "B697A5A336BCCC3DCFABDD3C6F60F3C4"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E1DE5850F13265980DD9C5E93803",
-      "expanded_key": "EA65FB988F34E6EAFDC3E7B0DFFEAE10"
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-      "derived_salt_no_section_no_de": "D4DD91DE7A892E2F02BC8AC60E423F20",
-      "derived_salt_first_section_no_de": "735CEF439BD4E67FC9DB9A1FABA54588",
-      "derived_salt_first_section_first_de": "DD5069F28B494592A75B40528A83ED79",
-      "derived_salt_first_section_third_de": "91BBBF09DCA09340E1258980EC785E40"
+      "expanded_key": "03A8348A5E3358A324B51DE539D55E3F",
+      "legacy_metadata_key": "80C3487090C7E8F64BCFFF5AA0C9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1A1C293EA4EDA78A394DFDA3A1B4AD6A",
+      "derived_salt_first_section_no_de": "55C19D6802F0157EAB79B4F60D65D2A7",
+      "derived_salt_first_section_third_de": "8ECA5D893BBBA13DEF81720C146020E4",
+      "section_salt": "510C4C2DB2F87CF1B413F6D6203A56DB"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "23B0074FE3E29A7BB54F33FB799B0F9FA309D60B48859244D593F430FC0F313E8BE1504CC830A8C9A1D0F1AD5C6B67A33C3B53B4D9346A6A36BF8EC7DD36E6A8",
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-      "legacy_metadata_iv": "DF3A5BFDF82F9A61436AE3CD",
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-      "extended_signed_section_aes_key": "9F154FAA9F8CA5A7F7D0CD7F1AB5AB42"
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+      "extended_signed_metadata_key_hmac_key": "29BA6EBA6527405403441474AD7E4686E05CA5DB85BA686FD6FD6630332F5E3B",
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+      "extended_unsigned_section_aes_key": "89F1669A6A290A2567CFA85E8D8345F4",
+      "extended_unsigned_section_mic_hmac_key": "4C783145CD466E8AD945AC42E6230D39D000E48E3FFAFF9A9B1112A48990B9CC",
+      "key_seed": "460D265A05BEE3376E346481648EFCBD9C5AB5F93EFDADE839C82866ADF5D5CE",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BED8",
-      "expanded_salt": "3531DABEF4BDE5D18C71FB83ABC5FB47"
+      "adv_salt": "BE9E",
+      "expanded_salt": "E41D2A4CEA952CDEC466CE961118F1F7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7A45819E436AF743854ED5DD712B0C99",
-      "derived_salt_first_section_first_de": "A3656C142E9DCD338075DA37578C3331",
-      "derived_salt_first_section_third_de": "6A66279592EE1B2908FAF5A46404BE99"
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+      "legacy_metadata_key": "84F70DF90FECE4141883D3BF32A1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9FFA1B382BDFA95CF750A3CAFF67DE15",
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+      "section_salt": "272CC47DE3BC43FE60F80B951E9C3BCC"
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-      "extended_signed_section_aes_key": "1CA3A5905C2ECD33F2C0878B938A2231"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7E63",
-      "expanded_salt": "3C6D429C50FEEC938A748B0AE904C800"
+      "adv_salt": "CC13",
+      "expanded_salt": "4FB71E73CB3B4EAABD70067F2AC44C51"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6A6B01CD07DB25FD2D51E44D59569637",
-      "derived_salt_first_section_first_de": "AD42774314072636F500174C8375446B",
-      "derived_salt_first_section_third_de": "C5791F3D0532F88F835C2C867F4FE381"
+      "expanded_key": "0077036DB37AB1B200264F8040F743B4",
+      "legacy_metadata_key": "A11593A01FAFE6B6623ACE5D362C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9464437220F9206D2E60C767C70EEA26",
+      "derived_salt_first_section_third_de": "A9CB5D76453B5BA974D775875FC5D5F3",
+      "section_salt": "6D4C3D13505DBA45170002DDFA0B0C75"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2207C404EE26710ECEBBD304646D5D80"
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+      "key_seed": "2C8FFF9AC286C94C745B1E2AA81612B7779A6B65C703D95217CE67C64F98C581",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "72FD",
-      "expanded_salt": "00F7398AA65533AD0CC952823B1DE314"
+      "adv_salt": "E845",
+      "expanded_salt": "77CF37336201F3BCA931A7499E0A6FB7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "0288E073DCC090145FCB7661F04C562B",
-      "derived_salt_first_section_first_de": "872C53643D8D730ED3525E71CCE8EA0E",
-      "derived_salt_first_section_third_de": "B586CC60687BEC51509C435AB86906D4"
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+      "legacy_metadata_key": "DF923FDA51D70B31741A5A29613E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6E89F9F37A2245BFE3605ACE09ADDA06",
+      "derived_salt_first_section_third_de": "56EBD7BB5CA745E5EF4389E82F1454DB",
+      "section_salt": "ABDD281BAD1A7B8151DE03F9CB5CF669"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "81D8DF0D17DDF6FB51BFE6D8",
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-      "extended_signed_section_aes_key": "FC4F14D087AB0CC8B07B2073F0630D24"
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+      "extended_signed_section_aes_key": "8A9F260614E3447CD87B996E218E26FC",
+      "extended_unsigned_metadata_key_hmac_key": "EF6ADE6F87B5774068B5F990D1FCBE78089A3607DAD807831B651CBE028ABDF1",
+      "extended_unsigned_section_aes_key": "12F693EA27E01D38BB58A980FBA293B7",
+      "extended_unsigned_section_mic_hmac_key": "448C746CFBB08B284E505948663BFB6DE28155EADA01C2C0A29AF6ED0FDAD01C",
+      "key_seed": "25D68684C3A6A710EB8A4CC3D5D9C4BEDD02457CB006C03C04BEE3694A74A37A",
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+      "legacy_metadata_key_hmac_key": "52D790349A89FCDB84C9637ECFBF9AFC591A77432C2BD218C3C6A0B618F29647"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F4C8",
-      "expanded_salt": "45B3C180E7F8A7D139F2BA6154D187FF"
+      "adv_salt": "44D2",
+      "expanded_salt": "25E386E3111B0D18C582CC72D85991E5"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5EBC390A5A2933CC37998CDFCB96",
-      "expanded_key": "34B80A1B25A384B5F0F040D37759052D"
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-      "derived_salt_no_section_no_de": "29DAE8F6C573A00F250C04BF47292933",
-      "derived_salt_first_section_no_de": "BDFA0DB8E1382B837E1190F019B78841",
-      "derived_salt_first_section_first_de": "538B739E5C3CB4D8819DEB84C7CB458C",
-      "derived_salt_first_section_third_de": "00E4BC482C6101D8E07B35D5BB311A03"
+      "expanded_key": "87A4429A0702422565611716D9FF16DF",
+      "legacy_metadata_key": "D26F8CD9B5887540632106EE18E0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4FBDF84740BA183CDD1FE0B84FECD7F0",
+      "derived_salt_first_section_no_de": "DCB3E4320C818747EDD37B1462CAAEB7",
+      "derived_salt_first_section_third_de": "FD7B7E515C8C24BC752BBA61CF7E6284",
+      "section_salt": "9F71D7FA7610F398C641C9BE2D728E5C"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B448275DA7D107081739AFD98C404111C491C423D929457E39F81DC766A9C49AEE373D22FC721077B38A786D11BB7737EDF9FDE97653FB039B6B094A2F8ACD45",
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-      "legacy_metadata_iv": "A93F3CE961D281B7D841551F",
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-      "extended_unsigned_metadata_key_hmac_key": "85086561466CAF5780AC106FA3F38C873EE6E1E16CE339B981879440A0113F29",
-      "extended_unsigned_section_aes_key": "EE423F67641136D344F65B44C7CEC03F",
-      "extended_unsigned_section_mic_hmac_key": "299B7C0B17996D455D3C56FC9D7A47E3512C9226DEEB7F8ACEC94A4C1432195E",
-      "extended_signed_metadata_key_hmac_key": "16E9E3F059FAA766CCFEFB835E77329AD460024292D5D098034ECC03FBC6BC06",
-      "extended_signed_section_aes_key": "ECE9098D1C4FDCB584B16BA2F7238C77"
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+      "extended_signed_metadata_key_hmac_key": "C9E25BD6B062F37EA17243A49F2F73271E07EE8059DC70925EA17B91E02E249C",
+      "extended_signed_section_aes_key": "E33B04284FAED08F9073FF3A4613FD87",
+      "extended_unsigned_metadata_key_hmac_key": "C6090557EA31F3B92694624AFC5CF613F7073F27CE80391A2ECD055D580AA001",
+      "extended_unsigned_section_aes_key": "7FECCE4A761E224C5E5674C833629214",
+      "extended_unsigned_section_mic_hmac_key": "5C454A7278959EA5BA265469583BFDFFEAB3DC37AD95683BFC9D25C7875EE14E",
+      "key_seed": "ED0FBD51B1A893E92EE5F219093CCEF7327246C5EAB49B2AA432C747789A5E83",
+      "legacy_ldt_key": "1C5659CC567894592C8670111B0DD426A3ECB78ED57F8CD8E150580FCDFC88294AB0F7F3DB0D97F0987CF1A9E94A442C390153B8C82A415FB33765F103363960",
+      "legacy_metadata_iv": "34CDB3EC44C7C33B300D1129",
+      "legacy_metadata_key_hmac_key": "A5D58795AFC17A6B4B4BE8F2DC675C79E5A3E45CFA929D09136B9E8BB289AC54"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E8AD",
-      "expanded_salt": "DA4598842856A28A8A7B7DD76F9D5D57"
+      "adv_salt": "1987",
+      "expanded_salt": "4579E0BC68DDC39D2A40252912A2788E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CFFCEF78E683723BF224F7576C33",
-      "expanded_key": "684BC1180153D00C2C3ED5CAC23B2518"
-    },
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-      "derived_salt_no_section_no_de": "27485AFA1CEFD14C188FB5AF353F2367",
-      "derived_salt_first_section_no_de": "BBD95F4D912826E164C7AD46EFB64568",
-      "derived_salt_first_section_first_de": "E7CE7C2584F9F129A7A78806D3A5A56D",
-      "derived_salt_first_section_third_de": "2C65A50AD589D636C45B138278D71157"
+      "expanded_key": "BB5FE164D6927BA318CCE613745EE2FD",
+      "legacy_metadata_key": "3F0FCE2666855EE993CA56198B4B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "8454365587AA973A1B7FCAA3FD272301",
+      "derived_salt_first_section_no_de": "DC327BA6313F26A60907C0DC71C3EFE4",
+      "derived_salt_first_section_third_de": "2BD0EC3293CC632B7819BC128CCB2F6A",
+      "section_salt": "BEE8C2D2A11644E89206BE3DCA42AFEF"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D79ACCBF423F04057EB7B1DFDA7DD8C4"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "0BA4BAAFA16C7F93DFF993C66D9E4992"
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+      "legacy_metadata_key": "8940B06041E78C2FBC698EE75377"
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+      "derived_salt_first_section_no_de": "06CCD1ECC3DDF14FF39E31879FF9651B",
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+      "section_salt": "CD49C85215313C328B6291E85D1A5CA6"
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-      "extended_signed_section_aes_key": "4AC5A4516A95B3550EEFA56BFDC7D158"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2C604708FAA5B2EDF1A10BC6FA16191D"
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-      "derived_salt_first_section_third_de": "40DCA180F15161D93F4CFFA98E9265E5"
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-      "extended_signed_section_aes_key": "EB91A6700CBBE6BF7CFE5A40C0B184FD"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9BCEFA33103C4D9A6AB15EF2B54B7958"
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-      "derived_salt_first_section_third_de": "2D3F5F5D225277FDFE4752A818C345E7"
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+      "legacy_metadata_key": "68DB9780AA3577FF3E2DFD19276B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "35F586B7B173B7B66442C61A1975A160",
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+      "section_salt": "A2E519BDCC6AE67681A7AE119E2D2A4A"
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-      "extended_signed_section_aes_key": "9CC0302F71FF630659D1642F766CF413"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A0DF",
-      "expanded_salt": "FC2D274BA1CB40A06B6BB9529A46502A"
+      "adv_salt": "C9B7",
+      "expanded_salt": "E8CA711430887B3E3CA78F926A62006B"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "0C1C1C2D0265028A34E81170FE06DA14"
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-      "derived_salt_first_section_no_de": "A2F628C86921BF49BC71C07F4050AE22",
-      "derived_salt_first_section_first_de": "0BCFC5FF398CA623D3310D0F9DD5BB0C",
-      "derived_salt_first_section_third_de": "8CEFDEBF378BFA39AD26B92F5FC9B961"
+      "expanded_key": "833B5619D72780012AB0319384A9C67D",
+      "legacy_metadata_key": "D2EF0C3E5F4652973A8DD95F5698"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C7F125CA0589CCC7DFF949FF5D796E3C",
+      "derived_salt_first_section_third_de": "67DA46931F56C28CFBB1F7C483C2CF63",
+      "section_salt": "ED879C8D4A1C86F158090233033991C1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B3923268027FFDF1530F6AE1E77540D8"
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+      "extended_unsigned_section_aes_key": "A89914CC8B5EB4B5059E6CCC06521ED3",
+      "extended_unsigned_section_mic_hmac_key": "E6A7F2C8ED4BAAA104AE71869D34570906190D5774D852FB0810BF2AC7739BBF",
+      "key_seed": "65A9EE574917167BA3DDECC9139B96668C11083686CC02B24AC4743AAA7729D8",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9F85",
-      "expanded_salt": "C1563131D1E4F0971A53303A5BAB8454"
+      "adv_salt": "6C13",
+      "expanded_salt": "4B058B1D1588837AB8241FFA9111CADD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A8592B9DAEB04EE767A30E58864D",
-      "expanded_key": "8466F959049CD88AD1F8E1E3DBA07A07"
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-      "derived_salt_no_section_no_de": "208D3C20776E753A74FDD1D0D104D8A5",
-      "derived_salt_first_section_no_de": "CBF1CBCDFEA0153D0B935A7889E75FC1",
-      "derived_salt_first_section_first_de": "AE9DFE840649F30918B30EFD8A65B998",
-      "derived_salt_first_section_third_de": "5195FCD018D311A07FC3175A2C047CEB"
+      "expanded_key": "DFD75149032D343792EDCE0ED236D3E9",
+      "legacy_metadata_key": "D8C620A392BE6B0BE0CCC18CDDC5"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "381D36D7106D5FC889286B75179A3019",
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-      "derived_salt_first_section_third_de": "E0E925BD373EA6EAB37CB55A1CE7CAF4"
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   {
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-      "expanded_salt": "7C8B5103DE36203F6F26D339556EA085"
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-      "derived_salt_first_section_third_de": "4D10EBD6105AD2DBF927098FEDF1E2C3"
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+      "legacy_metadata_key": "8C9CBADBBD6EBC1690EC24994EA0"
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   {
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-      "derived_salt_first_section_third_de": "29EB602338B8F86E1A3683495B7146E7"
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+      "legacy_metadata_key": "3D8CA73F6702F850247AC6FAED20"
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   {
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+      "derived_salt_first_section_no_de": "FCA26112B250E757A55022E2F303A22A",
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-      "extended_signed_section_aes_key": "7E2F73B41D15096E17A3534C711DA0CF"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C0C6A37079BF8696A28F1426485F022C"
+      "adv_salt": "43A5",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1CCFDC550D5C8F72E7A0DC7338FC7216",
-      "derived_salt_first_section_first_de": "59813F125A8DF0818CE7FFACAF27E0A4",
-      "derived_salt_first_section_third_de": "AF19BFDFBC755D404B51143F0D70AD73"
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+      "legacy_metadata_key": "C2613818FE64701A791FD7D96AA4"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7E014773EDE953E6F33A239A31CF7EDD",
+      "derived_salt_first_section_third_de": "850586F00A69B974CE312E947DC34D05",
+      "section_salt": "B9965964465E2A86A50FB5382A533BE9"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "90F2D8B225060F8463C6A943",
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-      "extended_signed_section_aes_key": "3289D02D7D107E4820BA302EC6999E8D"
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+      "extended_unsigned_section_aes_key": "1ECA9CC191618B62B4FC94A164A5BA07",
+      "extended_unsigned_section_mic_hmac_key": "38A1EA9809F2ADA64A7364848432DBFF65E583042A20DB7AEE53B86AAD56614F",
+      "key_seed": "3102A9D668A0AEEA02190797B90BCEEA63ABDD2F22F4859B5DF5559ABB072B8F",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DB58",
-      "expanded_salt": "59D7ADB1A7D565968A83BA3D2255196D"
+      "adv_salt": "08E7",
+      "expanded_salt": "53669B0C65EA2C9B1CB1D60D6C8D2D00"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A82F80383F2E987DD1CA260F390B",
-      "expanded_key": "E54099E1027F59FCFDEA851575EBE4C2"
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-      "derived_salt_first_section_no_de": "C5D297A1142BED199AF6CD7B9BBC656B",
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-      "derived_salt_first_section_third_de": "2797EC06CA5DD78EF703672862D73C6C"
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     }
   },
   {
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+      "derived_salt_first_section_no_de": "C311186BEA8D9CA5DF53325CBCDF80EC",
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-      "extended_signed_section_aes_key": "36FB013784530A2C649AE3B1064CE66D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2272BE130C1292FDE0F864A926779A89"
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-      "derived_salt_first_section_third_de": "F5D318723BB02A016584F39E409EAA3B"
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   {
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+      "section_salt": "EC0E8ABBC4DF3823CAEFEF1363B33819"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7301CD937FB1B657111428749BD6F312"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7DA238CBCED2CBF621D120B384F44784"
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+      "legacy_metadata_key": "27586352A07D1F71386D62F3CC59"
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   {
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+      "derived_salt_first_section_no_de": "393ED358B3124C4667BE322796CEF16C",
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+      "section_salt": "D43453F08E7DBBC4A829B9AD044660CC"
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-      "extended_signed_section_aes_key": "C2C1DC02CEAB9F5B555525ED34012CB6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3EBEF93267BF4E2E82CA8C91392F57EB"
+      "adv_salt": "37C4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "03F3703A3A127D075C6D22985604318C",
-      "derived_salt_first_section_first_de": "7A1E80AD04A807DE291FC1771E1A421C",
-      "derived_salt_first_section_third_de": "814E8AD3CA957B0176FE02EB952415AA"
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+      "legacy_metadata_key": "70985A559931B596D6BFB74C3EE4"
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   },
   {
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+      "derived_salt_first_section_no_de": "34374595D41724F382420AD0C2036C81",
+      "derived_salt_first_section_third_de": "80D5CBBFD26AF357ECF913299BF14FE4",
+      "section_salt": "B39CD816B649D51B6926156A4C017639"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C52B85A80F916B730BB88A9FC4B52D28"
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+      "key_seed": "BF075853489A9C2A711F294091DAFCECE8CE02213541A09FF6A08C4E4FA248A2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D3D7",
-      "expanded_salt": "4491996231F00C5DC12AD9EB1A19276F"
+      "adv_salt": "8758",
+      "expanded_salt": "1E02862B3A3BA659A0DA2EA9BD3F5BCF"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "8B5FB8798A07A2986F675AD8438E6EEB"
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-      "derived_salt_first_section_no_de": "7DCCC6CB361AE227F25CF777B03687FF",
-      "derived_salt_first_section_first_de": "9A33AB54D10FE46C2FB4D421367B7C47",
-      "derived_salt_first_section_third_de": "5CDBC50A277CAD3823BE64C87EE8977F"
+      "expanded_key": "7F0E5E8EFC42C7BEBCA9271786DEB8F4",
+      "legacy_metadata_key": "A7010AB4B962D22A26C992FBEAC5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "FE2E02E54F2BB7EC2995386E0ECE157C",
+      "derived_salt_first_section_third_de": "49A65C01326151834E57A9620B6F44A8",
+      "section_salt": "6665C59FB784B10496F6F4A5CBA5514A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "97DABA043596A2ADE41C113B",
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-      "extended_unsigned_section_mic_hmac_key": "CA532BB92DC26D341A0E788895965030029902A4BACD19AB76C53AA2045749AF",
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-      "extended_signed_section_aes_key": "616A87752C328EAD07D2D4CC6ABE5D38"
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+      "extended_signed_metadata_key_hmac_key": "21F0FB4D9A15B493B735701ECB4BD63218096504DA53807D8821A0B1AD3EB8BA",
+      "extended_signed_section_aes_key": "1B4FEB101DCDFF696480F1BF99E5F54C",
+      "extended_unsigned_metadata_key_hmac_key": "EB0FDC76FEC365443BDC720033688C58AADF7772E9F50C7B45B3647F5513935D",
+      "extended_unsigned_section_aes_key": "16588EDF016DC389D81662B0BEE71E47",
+      "extended_unsigned_section_mic_hmac_key": "7C39B9700AEAAF1DA269ED0DF991595DDF452210A800EEC1A18FA98171ECF89B",
+      "key_seed": "54EE7E557D6623BEC2A4C2C2D2D874A87817760D2780AAD41E5F4382391C0EFA",
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+      "legacy_metadata_key_hmac_key": "9FE415CD43226FCCC52AACE9ACEC868AD2C26D6E263815D653B2E1AEBE25577F"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4031",
-      "expanded_salt": "376E8525FD1F9CE8356A8CF76B9C8F4C"
+      "adv_salt": "244D",
+      "expanded_salt": "35883763800D4416620EC13245E7CF4C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BA546CEAAB9ABEF984655EF03D02",
-      "expanded_key": "16A367BDE973DA37FCCEC055CF225A51"
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-      "derived_salt_first_section_no_de": "FE45F89C47428CFD327887FC9DE58788",
-      "derived_salt_first_section_first_de": "46CF38E321DA593C764509010A224589",
-      "derived_salt_first_section_third_de": "7E071780E373EDDC8FE5F94D6CC433CD"
+      "expanded_key": "1EFBB5B060B266B97438932D7DBCA029",
+      "legacy_metadata_key": "1AC53753EE5BFB289938A69BD7B9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "417A36000F8FBBB1E0AFB048A5A7D6A9",
+      "derived_salt_first_section_third_de": "135AAD092DB6C362C477C32630AB97E6",
+      "section_salt": "FE11E2333094F0F50086E327183061EC"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AFD2B07788A44188DBF2FD78",
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-      "extended_signed_section_aes_key": "D443F8BCC3C73D0DA072F3AC48AA5627"
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+      "extended_signed_section_aes_key": "A7BB699F04E4A1A8D989A339959C5AF9",
+      "extended_unsigned_metadata_key_hmac_key": "7DBABE03B77ED88913B04266223DF35D5631D49814BDFE77DF473237154B2C7D",
+      "extended_unsigned_section_aes_key": "C203C83135ACFE4D1332FD844D167AD0",
+      "extended_unsigned_section_mic_hmac_key": "1D3A5077370E8B854D80A773D6C515D008AC5B4A1E19208A59EE2E6AE2484E22",
+      "key_seed": "0550EE7D8E04449B7BB835AB981C80BA7FEA491E911249144FDB5586ECF24CED",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "733C6B81D6DD8A94E1D355BD23C14A46"
+      "adv_salt": "EE54",
+      "expanded_salt": "BCC572A95FDD1A72BC34C4F605BAF3D7"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D5A93B6C29A8252CA12E2DC2EA2AF10C",
-      "derived_salt_first_section_first_de": "D2434C26B46AECB3945AB769610BB038",
-      "derived_salt_first_section_third_de": "8CCCD666EC1583A38F8CAFA55C5BBD54"
+      "expanded_key": "49B09DFBD239819ADE5C7143C46C30BC",
+      "legacy_metadata_key": "C565B4487CE89D2D1E6678204C56"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8FC7F52D1ACDF662B1C47EC7EBE18988",
+      "derived_salt_first_section_third_de": "21375808065854AF4E49AAF81B799C8E",
+      "section_salt": "EB2E0B4BDC5F097B890137738DBE07C6"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0D7CEF5E975E3040E5DA94E1096541E0"
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+      "extended_signed_section_aes_key": "09478994ADA274D32CF261D30D2C1B8D",
+      "extended_unsigned_metadata_key_hmac_key": "9B449C525F8592539D67C95B35B353B3523A719FD6FA4D07ADC24ACE722D2ADD",
+      "extended_unsigned_section_aes_key": "D04D752CBB46A01C0EAFAC0F70842132",
+      "extended_unsigned_section_mic_hmac_key": "14769E08100F270F4E8E90BC1A476EDA1075CC9DDFD7BB39F263B115708FC4E2",
+      "key_seed": "D22A27940E592C93072B8FF2AFA9DD0527C308892433615D72DA76D5F3DE90E9",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9306",
-      "expanded_salt": "29DE9B655668426C3B0241D51AE7CCB8"
+      "adv_salt": "E4AA",
+      "expanded_salt": "D8A6ED1B373DC47C87B9482DDB2D730B"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2C48F04D9FA1154E0C43617CA2BF",
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-      "derived_salt_first_section_no_de": "5EA82706A6EA992F52BCA518069DAF0C",
-      "derived_salt_first_section_first_de": "A8CA205961561B304551E46775768018",
-      "derived_salt_first_section_third_de": "C7413924101DF2EF2E6BF9DE4A4B734B"
+      "expanded_key": "304F93C10E8B335036AD0C630830AAED",
+      "legacy_metadata_key": "2EE059DBA194B16E8DEECEC6404E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "90DFA6FD5FE2F8D15186337A1B3CEEB2",
+      "derived_salt_first_section_third_de": "9A4B719D22B4160C902A7584BF3BDB97",
+      "section_salt": "FDEF3EDB339C9E7CF672AB0415CCF3AE"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F5F377DA2EB6BE772DA61D63",
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-      "extended_unsigned_metadata_key_hmac_key": "9B3E2E2C6230DD1AA4E1CE54042465F45859141F157050963886956C0BEFE3C3",
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-      "extended_unsigned_section_mic_hmac_key": "DCBCEA0E7BF45E174C33FEB42DC643429113A9623098C7C6C560CFCC3E619197",
-      "extended_signed_metadata_key_hmac_key": "E7700700A211C347DB7E25DB26CD03A117D504B50C2C612CD60914E3FDFFDCE4",
-      "extended_signed_section_aes_key": "6BD3BA993BFA85D89CC5725D3D1A0F0F"
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+      "extended_signed_metadata_key_hmac_key": "786B7543903AAAC3FEE1C458CBE8FDC21CD73FAC71CF7B8E3C43282DC4BB8F8E",
+      "extended_signed_section_aes_key": "F9B7D994F05D58F5A267350C477C4524",
+      "extended_unsigned_metadata_key_hmac_key": "4D1188E130CF1D2A34BABB65CB8DDF26B1877C9E21FAA54047AE3F7EE5FEC272",
+      "extended_unsigned_section_aes_key": "F2F6E46F1B38393523970D8DF27C9B98",
+      "extended_unsigned_section_mic_hmac_key": "33A42AC9C3475B8A622B758FE30442C87806A94FED1AF7C290E7C7BE92FA4ABC",
+      "key_seed": "CCC16A6A5F00128EEB9684B99221BAE0F40FDF9B1BA5F98F7343DE26B6E18DCA",
+      "legacy_ldt_key": "8B297682CCF940CA6FD605F53EC88C26A4A09045054E722235135C99A9ACEE42B111D608EBB160CEEEBACBB774910A68BE7AC42B61966109A66127F22F34C377",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CBBC",
-      "expanded_salt": "EB0FD99A0FAB97801A781147589252C3"
+      "adv_salt": "960F",
+      "expanded_salt": "4C42558978F66033CE369C0D73668257"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6BBF5BA1E9530B414F558CC0BDC6",
-      "expanded_key": "1DEA1E88322D8D9339599307B61BBF2E"
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-      "derived_salt_first_section_no_de": "E98C018307B909274FC30C3AECD43551",
-      "derived_salt_first_section_first_de": "828E71196A95AAB2B2085D3C990641CA",
-      "derived_salt_first_section_third_de": "82239C4B21F709359644C47CA5A02254"
+      "expanded_key": "433A7C6218FF8EEADFA73FB56A0402B4",
+      "legacy_metadata_key": "4B961F233A3A1B464FF3BF0A0503"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "F37B4962ED3E1FBAA1C5115FF3237277",
+      "derived_salt_first_section_no_de": "E98C323CA75C444456DE83524528AC18",
+      "derived_salt_first_section_third_de": "B9D45A8B333A4BEE809D5E94391AC1E9",
+      "section_salt": "506B2447601F4FABE413D821929FAFCA"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "5D94F649ABD556B172281EF6305DD7DC9E67253E6F6207BB51719C77CB0E2E1B092B9950AEDA7BB97B3B3A713285DADE6AFD2389C7D209CDC58F94E9CD96EA23",
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-      "legacy_metadata_iv": "C8345DEF5A6FBAE3C63FE788",
-      "extended_metadata_iv": "5EC92BB569E1984E2B572BAF",
-      "extended_unsigned_metadata_key_hmac_key": "9952EF194B3A96994B6158DC361BCD5118C4699D3FB905A7CA432A1662CE2FE2",
-      "extended_unsigned_section_aes_key": "8D3A5DB7FFF0816E7E59B29E59D3BF9E",
-      "extended_unsigned_section_mic_hmac_key": "693EC5F65A57219019B1785B8B7EB8140AB1E28969784961CCF1B699245316E2",
-      "extended_signed_metadata_key_hmac_key": "83B2FB6DDD6058F435E257E0A7E5F06EC35DB1D6C2DB8DBE0DFE38F685F39B27",
-      "extended_signed_section_aes_key": "2A9CFE5FA01BF11F5CA14C21A70E9FD0"
+      "extended_metadata_iv": "2BDBDCFF965F815F77F5F45F",
+      "extended_signed_metadata_key_hmac_key": "A11C2293485B1738EC6448BF6F8D9E2C400E369974C84FC2D993C561C615546F",
+      "extended_signed_section_aes_key": "5FCEB9C6905D3D898AD549566A3A5723",
+      "extended_unsigned_metadata_key_hmac_key": "4B2C5536AF794C88D3B6C70F1CC4F0C8B9D35CB5253D4F0A263ACC744DC1FD41",
+      "extended_unsigned_section_aes_key": "0734755DCC9FBFD78722E9F16F69FC0D",
+      "extended_unsigned_section_mic_hmac_key": "7203A4F9E4642C1CD0C84212CD1A3FF0F4DB5146F9A06F70EF2758E22BF8FC06",
+      "key_seed": "CE16F350789C4044AF63049822BDD747E1B73CC00D40DE7A13DB9AF8B9646AA9",
+      "legacy_ldt_key": "C3FB24362C4772E4245E97181D3969E03292ABE8982122B0604FA003D6592B43E92CEE6769A774FD82730CF10A952BD80255204129EA569170F6273D9D2344CC",
+      "legacy_metadata_iv": "5D4F98D56B4C439268B23B83",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "291D",
-      "expanded_salt": "DDB21243F2D6BB2C9201BE5A16210B8E"
+      "adv_salt": "BEDE",
+      "expanded_salt": "617E546F55BEDBD437FF8942E461B536"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1BECF1BAD582C724897D6A6318FE",
-      "expanded_key": "3F37DAD7468E57960C6A74396BF44E1E"
-    },
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-      "derived_salt_no_section_no_de": "10536115C2454DA9784D0D7B312036A1",
-      "derived_salt_first_section_no_de": "667F921CBA0B43FAC34ADBC7C593EEE2",
-      "derived_salt_first_section_first_de": "9D72ABA0605678C55061B7B3EE6DDF9F",
-      "derived_salt_first_section_third_de": "F01102E8258901BA89F004924FCE0764"
+      "expanded_key": "4B024511A67FD4AFD6EB40FB09B9217B",
+      "legacy_metadata_key": "C6D353D3940DC51139C008241F50"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D77272D49F3F41206CA88A6207F1F706",
+      "derived_salt_first_section_no_de": "8F058A1E1816D0131DF1987C8CE06AD4",
+      "derived_salt_first_section_third_de": "F0D601362148206C72659214242581F6",
+      "section_salt": "F6506FE33AF8A79AA12A97B77071C882"
+    },
     "key_seed_hkdf": {
-      "key_seed": "8D72A4783E307BC650BD2DD78704E4CFD8E3E05EDAF0ED9A9B62816641976A89",
-      "legacy_ldt_key": "E4F3121D2D329628310AFBE68D1272748AE8A64429060B0577CE61463B09975113E3022B4EEF14CE0D0B39DA33151A4C10C6DC383016C775D705D100AE5FC8F7",
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-      "legacy_metadata_iv": "BB1764E45A2F7D97848C83CF",
-      "extended_metadata_iv": "7883D6D5FE2BD0BF66F2DD77",
-      "extended_unsigned_metadata_key_hmac_key": "87C4D255B9A85A48BE48F523E6D5FA8F7511126349A3521CD08B7C7D92897C66",
-      "extended_unsigned_section_aes_key": "EA91705AA9CDD62922F89C2830E59C90",
-      "extended_unsigned_section_mic_hmac_key": "336BF2ADAD7B840A1743339425C89B5557D9DB41FACEEACB7FC9C5E642110766",
-      "extended_signed_metadata_key_hmac_key": "440725658DEADC704E9733229276977786C62440FC268E17D6FA914616D98F0F",
-      "extended_signed_section_aes_key": "A61626F9ED155B6DC4D7F390FAA1E289"
+      "extended_metadata_iv": "5AA369464392B71EDE65AA9B",
+      "extended_signed_metadata_key_hmac_key": "2C1F20B01F5E866544A18AFA201A73AAC04FF257AF81B57DD50AB047D2AF199F",
+      "extended_signed_section_aes_key": "C7818635B10FBDE600C1FF13B0880A4D",
+      "extended_unsigned_metadata_key_hmac_key": "F66CAA452DD0D8980832C5013E25B237AEC64D265245E69FFCD03575158CDFC1",
+      "extended_unsigned_section_aes_key": "E36B21858ABAF17FBBD07E2D358B7B4F",
+      "extended_unsigned_section_mic_hmac_key": "DA3F988EDE20D8F8382DA9ABEF017509EB9B6746CC07B968C715A694B273DF57",
+      "key_seed": "0E14DEBBE61D759B1AC7F96119C2478C6170E232EE9FE67B76E14CD3292A74A1",
+      "legacy_ldt_key": "F2F9D7C86E95B25E4479E0901F9105D3EB22A0D5DC555680F25BF7C27020C60C5316CF9FF88FCCB0588580C271535F37E86AD0472BD585A019DEC77F7BF6A99F",
+      "legacy_metadata_iv": "3DCB2866805C26764398FBDC",
+      "legacy_metadata_key_hmac_key": "E6029EF2E8E418C42291059AE0D2497F8BAA6B65A785AF7A9CD9A8CC4E817789"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9A38",
-      "expanded_salt": "99913CEAA6E21619CEDCF5C8EB2B32FC"
+      "adv_salt": "BCD0",
+      "expanded_salt": "678D3AA2782FB935323838B9CE5FB88E"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7B50261861E7D5DE8277BCCCFA84DD01"
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+      "legacy_metadata_key": "31B155D12BF235605B8B0921CBD6"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CCFBB57DE097C1B567B06BAF001C14AD",
+      "derived_salt_first_section_third_de": "43664799F511F0236C44C5F018BF216A",
+      "section_salt": "E713611FCBE114E5920C1774C1ACC7B5"
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-      "extended_signed_section_aes_key": "876BC1BFEC11767BA6E39CD93F4F4472"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6DB9AA019E4C097FAC818541B0927E95"
+      "adv_salt": "6EB6",
+      "expanded_salt": "A2CEC5D37B370D4DBB41F6E6DEFA9C40"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1EDBB5892C991001A6535E0ABB732739",
-      "derived_salt_first_section_first_de": "10B51EC25D87F32DD07AD99A86B1914D",
-      "derived_salt_first_section_third_de": "E17EF33787B045F490B354ECA0196D26"
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+      "legacy_metadata_key": "BCC2250EE8B747D5460EB7B5D35D"
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   },
   {
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+      "derived_salt_first_section_no_de": "A89BB983E9479C8197072471CE0A479C",
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+      "section_salt": "823767D5C7C356E639C5D589501A4685"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "06FD5C38342ADDA38EEAFFCB7378D75F"
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+      "extended_signed_section_aes_key": "18E29D97495A9F88DB8EEE3FEAA7FB92",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4CF3",
-      "expanded_salt": "9710B814A50011CD5CEC3282E1E3320D"
+      "adv_salt": "B9D3",
+      "expanded_salt": "FE8ECA427EC86671EE5ADE0545611E93"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B677FAC6F423A89A3D091A9B86B3CF4A",
-      "derived_salt_first_section_first_de": "D5F62EE1E6E4A9289B3F836AFE3D0FB9",
-      "derived_salt_first_section_third_de": "5DD055F51A4912AEDF771FBB82A9C639"
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+      "legacy_metadata_key": "068BF08D5E9C5A606D20A4C79846"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5FE125B34BF98BAB9088318B80316659",
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+      "section_salt": "E1170D0F44426E8F5ACF6AF209498671"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1122A31A5328409A1D1934DB",
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-      "extended_signed_section_aes_key": "A5CF045C0F9B6B2F06AF212CEA61D676"
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+      "extended_signed_section_aes_key": "C997A11AC36A2926FEC0660B256F43FE",
+      "extended_unsigned_metadata_key_hmac_key": "FF7D94EA6FFBA772548AC50CAEF117C3AA555166FA507345074C9C8FACC60736",
+      "extended_unsigned_section_aes_key": "8575B4D2A473DE76EAADAFC0DDFFB737",
+      "extended_unsigned_section_mic_hmac_key": "7E0EFF8A911FFDEC2E0E7A24C99B4674FF057193DCBF1C705B05D1DDDC736690",
+      "key_seed": "1CDBDE9F25A41DE3D518C994CC48BCD238A814A7027EBA14B315A55DBEBF542B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5FFA",
-      "expanded_salt": "B168A864EF6EED987CCC740F46A5F06C"
+      "adv_salt": "307E",
+      "expanded_salt": "87C3D7EFDC2C2705F697F80C07137B8E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E80F1CFBC4F4F3D1235845097DA4",
-      "expanded_key": "9C1B9C492D9681FC1CF5EDE64518B2CF"
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-      "derived_salt_first_section_no_de": "D577F85EAADA217E7C58BAA8C47E2128",
-      "derived_salt_first_section_first_de": "AC057B0C318C490FD39F815BADEB0970",
-      "derived_salt_first_section_third_de": "33D7C0A19ABFB64CC9EA0050ED0D7C80"
+      "expanded_key": "CF9A3C4FDBDD9EAC8C31AFB2DA4BF1C8",
+      "legacy_metadata_key": "35F67C190761767EB240CFDECD16"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "AE14B33C6CF8218B79AC44CEF13DA2C7",
+      "derived_salt_first_section_no_de": "20CC69FAC2DD224D89FD3B14839DFAB9",
+      "derived_salt_first_section_third_de": "C164A89FFBD2EC487EA34ED035E1CF63",
+      "section_salt": "F90A755FBF306D5BEDF6345FB85BCF0C"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CCE084E992C8FA4B7B48EFCC",
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-      "extended_unsigned_metadata_key_hmac_key": "49841CE29497A425BC8D5BDBE52FF8F3FBD1932D6DFF274FDCDB1F90F1541159",
-      "extended_unsigned_section_aes_key": "EBA9303D76A46E65E34FB970AD523093",
-      "extended_unsigned_section_mic_hmac_key": "E85D1CA8F5A47DE89541A6DF94967779A6E2EED79BEB58D6AB8685F28AE79E3F",
-      "extended_signed_metadata_key_hmac_key": "8B5B177272D5A9E882E6306D93A7A94DA94C24B6CC41A887A8EBC0928E1D1A11",
-      "extended_signed_section_aes_key": "92F2AA2E844C898CA6446FF5ACB23440"
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+      "extended_signed_metadata_key_hmac_key": "35A7B91CBD714339D0953CB891A0D47F8251D1F9A1BFA440A379D51F98F2D13C",
+      "extended_signed_section_aes_key": "521EDF23005D867A308B98C9F36E055F",
+      "extended_unsigned_metadata_key_hmac_key": "4D774A748DFD31C24FC0C96A003E29641E04C84BFE8FC09CD32482279ABBDDA6",
+      "extended_unsigned_section_aes_key": "D5AC2B9B6E8A470F992B5BA938BA11FD",
+      "extended_unsigned_section_mic_hmac_key": "86BC69F7C5D0C8C57C7ACA7722D79C0778F0579F7AB2AED2F552D7E8B1AA4044",
+      "key_seed": "0FC562C8915A28765B1560D2D3BACB880117139CE29A463BBD201A0EF36B1A54",
+      "legacy_ldt_key": "2BCA4E24359560A9A946119D4BFB837D6A727C842E3ADB5B87BE8DBE695927229B04692143A0C656FD7D433052C6E5A63DCFE56F60E8FEFD4CC3683E26F92D71",
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+      "legacy_metadata_key_hmac_key": "851701B72B2907CA0E09888976BD966D89E2DEFADED6B9DF3632B46604AD7480"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C6E4",
-      "expanded_salt": "748501AA61F43ACD2BFA8A5AEBAE2E07"
+      "adv_salt": "D3B3",
+      "expanded_salt": "4279781ACA01B66950ABE75E6DBABA68"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6E5A63C439B9D5F203A8F9872969",
-      "expanded_key": "18D047F7AFACE53F9D464FA033FB473F"
-    },
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-      "derived_salt_no_section_no_de": "B7ECAA74056596F1D7590CAF79678C73",
-      "derived_salt_first_section_no_de": "D7C9835BFA86FC3C83E892A79A708271",
-      "derived_salt_first_section_first_de": "841CA9ED6B238EE8EC95210123DDD0E7",
-      "derived_salt_first_section_third_de": "289E7F6F60CA2606A3D0B64D5CE38AF6"
+      "expanded_key": "2198FD1734B5094159EE3D8EAB7DD8A1",
+      "legacy_metadata_key": "F59BCA3CE3E146603C56DD749586"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "2E17913591E6C5DEB1C9D7E2DD6249E5",
+      "derived_salt_first_section_no_de": "B710AE4536F3E7B96897B031232E35C8",
+      "derived_salt_first_section_third_de": "175BE1F4AFBC9E0D42A9D85555A119E4",
+      "section_salt": "DB3570C8076621B622EBD0EB9D227113"
+    },
     "key_seed_hkdf": {
-      "key_seed": "BEAED42C02A0345DC92199F35B1D5229DC960F13F36E1412163FA9EEF5C5824E",
-      "legacy_ldt_key": "99C74726F9D6378DC3DA203E5530AC367EF702AC2D85282B53E567F252A6BFA3C3172DF8C4F5F8A47ED228EF4B8947B81A14AE986D35A6873ECA007FC1A9C4C5",
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-      "legacy_metadata_iv": "742A7E282E8BFEFEAEC924EE",
-      "extended_metadata_iv": "59CEB3F347CFE4D09D316F14",
-      "extended_unsigned_metadata_key_hmac_key": "A12207C0280AC20FF1E5FD5057DC973A5AB072884650F5464AAB8CDC168ADFFE",
-      "extended_unsigned_section_aes_key": "46C2CB62CD33A30FCB9B0E07415F8902",
-      "extended_unsigned_section_mic_hmac_key": "F12ADA50A95E71CDE3B545F874D54BD8F83CE7279C73A5DEA3DC2CE4A6EE9F72",
-      "extended_signed_metadata_key_hmac_key": "1C1980B0BCEA96963511E24DF15411C6510010247773C8994AA8946597A4E724",
-      "extended_signed_section_aes_key": "244A4462F62401408FF8BBC41382E3CB"
+      "extended_metadata_iv": "64578D3203061875AB5ABE0F",
+      "extended_signed_metadata_key_hmac_key": "EE20365EF6A2F8726AF1A4D0315F5FBF66EC89718E1A7922B19E40997C8D5CDE",
+      "extended_signed_section_aes_key": "E966F6D8D7B528ED0C7E5D5004F98B74",
+      "extended_unsigned_metadata_key_hmac_key": "4AD4739C1B3E9D29ACE4994C550B72C4A6D4ABD9961FE9E9F76733F815EF1061",
+      "extended_unsigned_section_aes_key": "90988C8D24FAF69917F0789C58D29319",
+      "extended_unsigned_section_mic_hmac_key": "0251D7583122204E412329AD8DB17F05FBB06EF8EEBD5A7997757A54EDB96C9A",
+      "key_seed": "81565BDEAF155771C6C61678DF0D4E8EAA65D031A2BE242AC621053D8FADF4C8",
+      "legacy_ldt_key": "F3D8671C63ACFA216CFB1CCAA0FA1D85AACFD9CAA33E46F049F6725B2FCD72AFE7B068657C495F6467C6E87D320708371FE5CAFBDDB02888A401E02535A5F93A",
+      "legacy_metadata_iv": "AE573FD8B6E8E8C0A3640C1E",
+      "legacy_metadata_key_hmac_key": "335AEA12637DD5BE45998E30E5C709D17441819CC9965F76797B8AA93C2E6B82"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D4BA",
-      "expanded_salt": "1307E0473CD2F5F3A29DE9867B6AFE9D"
+      "adv_salt": "C9C4",
+      "expanded_salt": "E2335638CC4DEE6A6FE652BE355371AA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "323183477F0AB76764DB36A53765",
-      "expanded_key": "A69F9C1167E381FD4614D443EDEC5D78"
-    },
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-      "derived_salt_first_section_no_de": "CC7FE2FB0E6DB6026920FA7036C7EA00",
-      "derived_salt_first_section_first_de": "99D0ECB62729070F6C3627A75AC31E70",
-      "derived_salt_first_section_third_de": "54D053D564040653F48E2CFD9A64F4F6"
+      "expanded_key": "ED1F82AF193B0028ECB9F47846FBA37C",
+      "legacy_metadata_key": "F397CDAE15F8601943BD9B1C3396"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "E01012CF8D36A2F485468E33947510D6",
+      "derived_salt_first_section_third_de": "5371801377CABC896095B67647CC203E",
+      "section_salt": "35BA27D752965A16F8F9108CD3D8DD98"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "44777415AC40FEF46D58AC440B1B8A28"
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+      "extended_signed_section_aes_key": "FB3A364C6CFFC845C30219F461E0A43C",
+      "extended_unsigned_metadata_key_hmac_key": "EDFBC6B41D5818D6813ABCA4942405A63541B349E93DC7BEE13AE070CB40C2C3",
+      "extended_unsigned_section_aes_key": "F98CAFF16811C5CF4EDA4BA8EE7A6745",
+      "extended_unsigned_section_mic_hmac_key": "BE8BE93C12E6C36AF21F72ADC272B6700AEA98A0BCCBD103EDABD93AE53D3FBB",
+      "key_seed": "26B4C89E689B3E73DE1F12F1BD19170C578414D4E793D4601A2FFB887779AC6B",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E2A7",
-      "expanded_salt": "E176B87727351FF7BF72CA38B38E4F15"
+      "adv_salt": "AB78",
+      "expanded_salt": "7B063C0C664AD1C1AFFA17B72A0EA8C8"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "0F02AB56F7BE4BFEA12BBAC6381D4651"
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-      "derived_salt_first_section_no_de": "84FBF1438E991091B1846A140F8F033C",
-      "derived_salt_first_section_first_de": "005BDB0CEF55BAD0F2AB9F8EFA68291A",
-      "derived_salt_first_section_third_de": "1BCC500035DEB1D0D81CE9DA63203DE9"
+      "expanded_key": "A717F6A1784D15C6CD25AAB841F53E7D",
+      "legacy_metadata_key": "7638369629704F6814AE52ED243A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "263B89EA12C05A56D5B89FA685197AA4",
+      "derived_salt_first_section_third_de": "3B1150BCE2F3E3E44007DF1744E515BD",
+      "section_salt": "0452895FCFE243F1DF5ED79D47D0474F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "01F21C5A7689B3C0D78AF153E0CB36FA"
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+      "extended_unsigned_section_aes_key": "1AF570ED951F2A124B6D6EABD3D73A86",
+      "extended_unsigned_section_mic_hmac_key": "D40360455FC38833D64536EA7342C9D83C6C92A5A0AC8F4BC290DAFAC6CFCC80",
+      "key_seed": "B85BB031B337535980195F1DF255FC98893662710DDC8DFC4B1252B41DB78304",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D1B7",
-      "expanded_salt": "16D12CEE5FE815B42654367AB51A0E0B"
+      "adv_salt": "99E9",
+      "expanded_salt": "7717BFC003CAA84638252B83229170E5"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "74BD725832C1461A8900BBB4315E",
-      "expanded_key": "512A97E600B0BD43C8381FE4E802239B"
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-      "derived_salt_first_section_no_de": "8C41578A9C3278F3F6ECADBEBA94D084",
-      "derived_salt_first_section_first_de": "6BC299D73731107B97AA0CA4DB88F99D",
-      "derived_salt_first_section_third_de": "086D3948D70ED22C9D20A2B88AF21BA5"
+      "expanded_key": "85D036C1A233750947A66EFFBCC4422D",
+      "legacy_metadata_key": "6C3C48EA2A79190003876884A174"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "ED91FE310B0CDA674742FD17BC9E09C4",
+      "derived_salt_first_section_no_de": "E66761B79EF193B373324AFD77652719",
+      "derived_salt_first_section_third_de": "FA572611967BD2D82BD8BB785FFE7724",
+      "section_salt": "038CE5615DA05A6AE667590BCEE28354"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4FE2F57A5FA8F0F43B359CDA",
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-      "extended_unsigned_section_mic_hmac_key": "BC8ECFC113AED618D920A1A9338575D72C23BEEA33704CAD1554C1C197D8930A",
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-      "extended_signed_section_aes_key": "D2311C99FBAED260A782E6570F14D12D"
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+      "extended_signed_metadata_key_hmac_key": "0C950B5D0001A1BF1B3AAC23E7117349C6634B4846ED3F51EAC884EF7E80BC6A",
+      "extended_signed_section_aes_key": "0236D2FDE81228551F88B5A5CD7B702C",
+      "extended_unsigned_metadata_key_hmac_key": "4D781A7794DFED773B0334218433CDAB0290D2110DEC530551D5CB8D5C95E1F4",
+      "extended_unsigned_section_aes_key": "B8A54BE7EF51CFBFEB56FB7DF9A505BA",
+      "extended_unsigned_section_mic_hmac_key": "9F57CE516705A00AC55781FCC3CDD6CEC15997F31C4292F170291B19B62DAF4A",
+      "key_seed": "D30AEA6A6A78144C9D222A5EE8A79E37FCCFBAB35406246BC3155F01F3E73C0F",
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+      "legacy_metadata_key_hmac_key": "6DE60AAD77413FCC6DACBEE740D3D498AD6497858121FA8CF1E3D8F87DEEBE88"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D935",
-      "expanded_salt": "7B37E08F22F6F605723976DBAA2AAA2F"
+      "adv_salt": "C312",
+      "expanded_salt": "3A221B02DEE3900DB0A31519A577B8DA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D9FC59FACB50362D26313A931773",
-      "expanded_key": "3469125B07CC0D4F9634D502C67A632E"
-    },
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-      "derived_salt_first_section_no_de": "9CC2586F457D5D8BEE535A772EB42F11",
-      "derived_salt_first_section_first_de": "BBB86348D8225BF79165572304CA9452",
-      "derived_salt_first_section_third_de": "810D7892CD1A2CEEA63CC5C5AF38CCAB"
+      "expanded_key": "C47AD74B418D654D84A62B75263A7AE5",
+      "legacy_metadata_key": "A7C3C904B3BDC801A76B43CE883A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "C231597EA63DAE0A138344D491578D0B",
+      "derived_salt_first_section_no_de": "74CD840E444129ECF1BD4042CDF557BC",
+      "derived_salt_first_section_third_de": "D5D27D619E2872C264726C5C84AAFF5F",
+      "section_salt": "A28EC9EC6E5D605DC00FDF789F6B8257"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "9AC23905E3EA28A1608F9D37",
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-      "extended_unsigned_section_aes_key": "486BCF70634EFFBC52A17EFC092055AC",
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-      "extended_signed_metadata_key_hmac_key": "D532EE4B97C32B8979AA650582ED663851AF0A8F7458040E002963587D94BF65",
-      "extended_signed_section_aes_key": "36E136BD70CD55A3E3949493DE1314A5"
+      "extended_metadata_iv": "8EB37E5E8522E2ACB1EDF202",
+      "extended_signed_metadata_key_hmac_key": "7393BC0D32A8506D1FCCFB2492039B49CA6CE6F6932786D33DD3119F94F55FB5",
+      "extended_signed_section_aes_key": "27106CC90307C936E8A2D8C726314CCD",
+      "extended_unsigned_metadata_key_hmac_key": "EAF3D4BCA9CD9146C80B27247B72C5C79DAF02481688A50104F18E6F04234344",
+      "extended_unsigned_section_aes_key": "A5B55B0A0BC6460727320B679186C29C",
+      "extended_unsigned_section_mic_hmac_key": "443486037542A4DC7ECE0E5CCE4BD96FC4CCCD01BC544DD8DD7C847D49D97A10",
+      "key_seed": "6E958D7F5CF118F3E4BC72152A67195212BF4723E9A78FC161B6C24767442763",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A89F",
-      "expanded_salt": "D8E967F425B66EEAAC5590551CF6D7B6"
+      "adv_salt": "8DFF",
+      "expanded_salt": "06879B580AB178764E08D0403494636E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5ECD93A31803F6BA18E364005B9A",
-      "expanded_key": "1581CA105789A7D2C0D8F0BC4FFDECDE"
-    },
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-      "derived_salt_no_section_no_de": "0B444B82A54911DE1B660A7C66B66A7E",
-      "derived_salt_first_section_no_de": "7251B00B1457383F0F4105FFAA47AF4E",
-      "derived_salt_first_section_first_de": "2A384E6139FF0093CC7228176B4A6CCA",
-      "derived_salt_first_section_third_de": "79C151B76F6FE15100A981790E3D8E17"
+      "expanded_key": "E6C142740DC439003F635F98EAAD28E8",
+      "legacy_metadata_key": "141DEACBFAACAD0A5D144D4EA49E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "9A8F6702FB34B542B2CEE089094C0E77",
+      "derived_salt_first_section_no_de": "3BFCF9BBCB44B0953EAAD8C9C73D014A",
+      "derived_salt_first_section_third_de": "91DD611B9F282AC3BEA1FBFEF7DDAD11",
+      "section_salt": "F84FF95A41B25F17EDB2EE19DACEEF8E"
+    },
     "key_seed_hkdf": {
-      "key_seed": "61EDCF2AF5FF405630DD3DC54BF87AE2FFDBCC5844536E77CEFC9F72C48DC326",
-      "legacy_ldt_key": "106663ED54708C4620412D528580934949431DDE0A327612E069152B005121377DA6223E9882E73044E3AED206F910710C9E297BACF64B9E46AEA8626C5B6728",
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-      "legacy_metadata_iv": "E63A27FA4F3B8E60C778F3E1",
-      "extended_metadata_iv": "1247750FBD5CD6CE128E258F",
-      "extended_unsigned_metadata_key_hmac_key": "1DA180BE73B4800838F4C85D6E6F4E77A9155AFC5C8A8E376FDD1C216CE11DB3",
-      "extended_unsigned_section_aes_key": "660A64D985AE10261B48B6AE190BF55A",
-      "extended_unsigned_section_mic_hmac_key": "C57615683AA37BEAA59C0E8E3CCAD0624916863E2D2B33ED57C3FE0B43F30749",
-      "extended_signed_metadata_key_hmac_key": "17B6A5E8C3A6404ECA1A53F3833413C7A0F3DF6FBA424520628541362DB7F984",
-      "extended_signed_section_aes_key": "41A023F82E4D13647641BFA2DA158EFA"
+      "extended_metadata_iv": "AE6253A562A84A6BF239F308",
+      "extended_signed_metadata_key_hmac_key": "C9E3D1592B71973EA82456E841F7D0B24A4B17D6B19EBD0D0276880D68B32749",
+      "extended_signed_section_aes_key": "A574032C918AA20A646F8DEDE5B42E01",
+      "extended_unsigned_metadata_key_hmac_key": "13F516030E5C9717EB0E429876C2736361D5BA81E4413CADC8DAD303EAA89F7F",
+      "extended_unsigned_section_aes_key": "F5895CB26DB0565397D13B86DA1AA272",
+      "extended_unsigned_section_mic_hmac_key": "4C99091316F83823EDC2AB9F1B4FEE27E47F91A96A995C9564CDF3DCC52234FA",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "61E21C43346ED415F339B7E75C891288"
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-      "derived_salt_first_section_first_de": "EB1A0FF741B9AE3A05F99238F68179FE",
-      "derived_salt_first_section_third_de": "3C9B8AE4DAA6A58FE2C9EE011BCE1501"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "68ED6D1EC9358FC319A2864E9F6CE79F"
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-      "derived_salt_first_section_third_de": "FA421BFC2793193D1E8178E57AA4EEEC"
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+      "derived_salt_first_section_no_de": "9E49150A46536AA38A7A7566BC171FF1",
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-      "extended_signed_section_aes_key": "7A35231C13E6CC0C56667F76841B2F88"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7C2520D358C76F16E15C870407A9F9D8"
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-      "derived_salt_first_section_third_de": "DDF69B9E5BC2938661AF70BCC48DA6E4"
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+      "legacy_metadata_key": "6FC1370A1D360576CCDB3DFC3C52"
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   {
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+      "derived_salt_first_section_no_de": "B2A339A4F23AD79A514D525A97B836F7",
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-      "extended_signed_section_aes_key": "54DE50FC3CBB94CC61567B51691A972F"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FC49",
-      "expanded_salt": "2D2DF5CBABD9E8253C66EF833DB20861"
+      "adv_salt": "A791",
+      "expanded_salt": "FD067F4DADF762883863BEDB48997F19"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "77BA990CEEC2C50A8044514C93ED407B",
-      "derived_salt_first_section_first_de": "E08C5144DFBEFB981811D1910DB9E861",
-      "derived_salt_first_section_third_de": "81BB4FD4FFDC2C9F7FE6B752D468BF17"
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+      "legacy_metadata_key": "0A623C9A3A0CC330A03137706A9E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C252DEAB1D90A05A2917B6D66E1C6747",
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+      "section_salt": "22DB5544709CC473C6A6E83B05D77831"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F26417EEE92C997E8A5ECC8448246452"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2193",
-      "expanded_salt": "DD4336CBF916E88C82362511191E55A1"
+      "adv_salt": "A22F",
+      "expanded_salt": "3B6DEF99F53EFFF78414D97250752B56"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "5A1B809C1C357022A7B425242D71BCAC"
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-      "derived_salt_first_section_no_de": "E3FB87B764102DAE3A50C1DBEEF4C738",
-      "derived_salt_first_section_first_de": "95EFBB8C19577A1F1E23983C6257E542",
-      "derived_salt_first_section_third_de": "EFB9849A116BBECE0C7ACE5F7A9AD07F"
+      "expanded_key": "FAB0DE0C704889E288E83453B9039A73",
+      "legacy_metadata_key": "79EDA556DC86893A68D4286D1361"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "93E87AC88554BC98379CB4CA666080E2",
+      "derived_salt_first_section_third_de": "C4A0C3453CA926856BBBBB57827AD2B3",
+      "section_salt": "106346E159AA3E018788560E1A8B2F5F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "7B50B55F33BCCD3C67674B1A",
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-      "extended_signed_section_aes_key": "E11B5E6C538D255F24AF0F9BF1CE522A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "11744FE488B2FC569690AD2DE1F2E894"
+      "adv_salt": "5642",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "FBECB0388120720D78E18940984BF5C5",
-      "derived_salt_first_section_first_de": "F88824D2A35C279CC2D68E6C1D35201E",
-      "derived_salt_first_section_third_de": "98DF17DAA279BEEF917FED099D762FA0"
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+      "legacy_metadata_key": "250F4332F3C6945703F9A31B8F44"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DC494AD542574F122FC85771EFC74F1E",
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+      "section_salt": "00BBA49DE8FFBA86A65DC29FF66AE475"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E4DFC3E21C16B717E3BD30AF2DFD4FDA"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3AE0",
-      "expanded_salt": "FB79667B2653776C16A5B5F8A6AEAA26"
+      "adv_salt": "4DF0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "279DBD7AE4086A1E173C1BF49A1307B6",
-      "derived_salt_first_section_third_de": "CF939CBCDB26EBE8DA9BC32BD2588E37"
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+      "legacy_metadata_key": "CF92FD8F07E130B4AF340FFB0E9E"
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   },
   {
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+      "derived_salt_first_section_no_de": "588C0C961C012BDC1126E19263CE3675",
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+      "section_salt": "87FFDF1FFE21E0F1B882B768F6858AC0"
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-      "extended_signed_section_aes_key": "8ABD45161F0A75BD67E07BA72D73514B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6590",
-      "expanded_salt": "AF9492E025A64A1B17B6333F7F03C834"
+      "adv_salt": "EDC2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "D377EE181517C9E1016672CC0A41E755",
-      "derived_salt_first_section_third_de": "3BB34E536AA1C2AB7224C43CBE1A9BA6"
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+      "legacy_metadata_key": "E46138A390F2E5D93A592436E344"
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   },
   {
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+      "derived_salt_first_section_no_de": "E9D2C51FAB080AD0D26D8B3091F8F763",
+      "derived_salt_first_section_third_de": "E102889B659565ECA702332DB57E6279",
+      "section_salt": "AA6C4C9BB2CD36AAA2C8250B73B3EB01"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4F353102C9175FE5C01100D4",
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-      "extended_signed_section_aes_key": "22980B0B24876C769F51A362D073E128"
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+      "key_seed": "D4B2B0086DB52C108C3F6FED4F58266C554487CD1EDC372C1DC97459A38889D2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "28C0",
-      "expanded_salt": "522C687534C2AAA3EB734E4F868A5973"
+      "adv_salt": "4880",
+      "expanded_salt": "88073C60937B2DAD98A65771EBD1FE90"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "50D472DA5C88E71397D9F1523596",
-      "expanded_key": "B43AF232FC3091F572F2D342F041A41F"
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-      "derived_salt_first_section_no_de": "9DCECE989409A3CF8997BBF07749A039",
-      "derived_salt_first_section_first_de": "3DD148C74699D6198968AC65E7D3EDC8",
-      "derived_salt_first_section_third_de": "1954CE7C055D0CB35B7B48E7E83E7E84"
+      "expanded_key": "9ACC6323DC46DC4A13DF35EC0AAAE756",
+      "legacy_metadata_key": "C35292929F9A806EFA68731FE58C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "84231FA1A84761FDA63BFD7E8338B04E",
+      "derived_salt_first_section_third_de": "ACBAC671CCB591C22763D1AD175AB896",
+      "section_salt": "A10A2F9459552228FD0835A07F77C696"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "51860980C71DBE6518E47106",
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-      "extended_unsigned_section_aes_key": "95715F2B7552471C1D8443837ED9B6CF",
-      "extended_unsigned_section_mic_hmac_key": "4FBBBA51E9152C3B09580B60C83ACE76D9B13BD90987379D07C314FDDCB8730F",
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-      "extended_signed_section_aes_key": "1999370B6BB6760057F428C6411AC7BE"
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+      "extended_signed_metadata_key_hmac_key": "1DAD2B5899A3211A0A62651848C873E0D4E15B033647084A98D06CA6F032E1D3",
+      "extended_signed_section_aes_key": "93A694271208659D540EBD4208A3A7F8",
+      "extended_unsigned_metadata_key_hmac_key": "4B09E83AC76538C19EAE86EAC3FE8BD1D110EB886D79EF8CDE1325CCD7241838",
+      "extended_unsigned_section_aes_key": "D584216E45CD6E6116486B094D64B67A",
+      "extended_unsigned_section_mic_hmac_key": "B464235B729E9110ECDDAD0A173AE33DA473D84F0E9C476438CC13B6C7633DD4",
+      "key_seed": "EBCEBC7547C268B77C580C9CDED5CEF7C8598B10450354F6C5B7FACFB67314DC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "55EC",
-      "expanded_salt": "99CA81FF2BD2049E798F6D50E5ACC133"
+      "adv_salt": "6CBC",
+      "expanded_salt": "2968C014FC4DB672AE38839D8473C472"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B0A6A0A16B006D67E78102B3EF0E",
-      "expanded_key": "C2F9B9911DFE099D40C4B98E63014417"
-    },
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-      "derived_salt_no_section_no_de": "0C9F386E22AAF73A40407291B4547F01",
-      "derived_salt_first_section_no_de": "0D26843AB8497B22E5EEBCB13DBADD94",
-      "derived_salt_first_section_first_de": "A468ED372094ECDFEEC5473D59B28E8C",
-      "derived_salt_first_section_third_de": "D9BEEDCC4B93CCB78F47A8F68468038B"
+      "expanded_key": "D0893983824D5B2E97E3DE9674A36D55",
+      "legacy_metadata_key": "77DE83D95FAEE4BF6E2764DADBE1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "DBE9137FA3F8B947FC985FBB2C30318A",
+      "derived_salt_first_section_no_de": "4CB82C0D28BF006F95C00E6E6AA6513C",
+      "derived_salt_first_section_third_de": "149BEC442ABDE848DA826652B43B722F",
+      "section_salt": "54A596D861B9B1FB3E8E151CE0FC53E6"
+    },
     "key_seed_hkdf": {
-      "key_seed": "CBFB6F90828BA5125DD479C22DA15B4330C5A26DE582C3F41252A8AD118B7E57",
-      "legacy_ldt_key": "77594CF3D53AA26BF53D47E56527EAE324C932BEF4DE31A2B4845912BD75A2927F2A9986DC7735E35102E1F7366EAACC711B445FF7B594128C17A26C8B8A4342",
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-      "legacy_metadata_iv": "8FD5DBD7F405A80AD99B8028",
-      "extended_metadata_iv": "2AF233CC5B2356F3785ED54F",
-      "extended_unsigned_metadata_key_hmac_key": "68DE892E6D20CC0D30CE40C28DC73B182C23ECF2F19CB35AA62A530283B77036",
-      "extended_unsigned_section_aes_key": "5ACB8F60193B30C847A9E2380E81553B",
-      "extended_unsigned_section_mic_hmac_key": "29A4E95DF109072CC8B0DA6A3364018B79EF6F8CB7C8E9983925E1F4EA8E7FF2",
-      "extended_signed_metadata_key_hmac_key": "DD53035AF44C1B940D9A298B812B0F3B3A188A930C3B70F3DE74B1D48A56637A",
-      "extended_signed_section_aes_key": "8635CC0CEE8E1F42E07DD44EB6164D45"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D24D5854F41370427AEC432562F45556"
+      "adv_salt": "63E0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "232BA756641C69DBBDCEBEC54F2CFA42",
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-      "derived_salt_first_section_third_de": "EA9E91BA042AA14971F7308E48334D1D"
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+      "legacy_metadata_key": "394E6D9A4EA217F6AD4EC800B674"
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+      "derived_salt_first_section_no_de": "70CE18E90A8A797EB7469A8692D1CED7",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3B11F6B43942D2CA6C88D4D03DCB78B8"
+      "adv_salt": "7ED3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "EBF4667C6EF53F9225D9C753A183061F",
-      "derived_salt_first_section_third_de": "8B39B25EC420D9F8B2D7482FBB991674"
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+      "legacy_metadata_key": "CAC727C660CDFD1850E2CD6F4C9E"
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   {
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+      "derived_salt_first_section_no_de": "767FB7221AEE647C3974E07AFC1AD74A",
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-      "extended_signed_section_aes_key": "C9E7121D90139BB1FD4C5A1B8BFB42B0"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5CDB4B1F44C4822547BBEC74DC46D315"
+      "adv_salt": "2BFD",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "5808EAC48A63F36D7CE325159C10A936"
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+      "legacy_metadata_key": "1DC04658B7465EE8EB9A7338D66F"
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   {
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+      "section_salt": "1554F2BFF37C7B0BAF856E02B9AAB440"
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-      "extended_signed_section_aes_key": "39494109542469FF9BFD8275AEE09F83"
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+      "key_seed": "BB0346BC27718D2E9C2229153836408D032A5424459290B6153A5D228701CD34",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5DA3",
-      "expanded_salt": "C607A666D2FBF38D53E0A1ACCE077DBA"
+      "adv_salt": "D543",
+      "expanded_salt": "1B52271714EE406DD6B349C2AF0F42E0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "BC2782AA92D97B7336B0D739B1D122C0",
-      "derived_salt_first_section_first_de": "92B70DA063ECE4379C35B927A062516B",
-      "derived_salt_first_section_third_de": "51BD674E6832D00856CE8C25A6CA3CA9"
+      "expanded_key": "85636AD3E084949AB50B979010FDD904",
+      "legacy_metadata_key": "2B7173BF481C8B97E3A91F771D7D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "07A9E3126F2BD3C6B9036C932EC940E1",
+      "derived_salt_first_section_third_de": "23DD0DF082E12D90C106733038BE767C",
+      "section_salt": "98438227B64594C0801912109DF90EC5"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "553C08D8939360570A647FDC",
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-      "extended_signed_section_aes_key": "2C74AFAA615499E7B47D5CF8AF8A412C"
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+      "extended_unsigned_section_mic_hmac_key": "492198DF8B262C4A73DDA715DAB5412E8A2AF6702E654C1AB27AF486BD63A75F",
+      "key_seed": "7B2DFFB9679717CFCE23C3B5D2F024E94D79935C81B902C7C00DAC3A95C1D29E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "132F",
-      "expanded_salt": "F48AB9CAC85E01EA19FE059C47E9E049"
+      "adv_salt": "4F86",
+      "expanded_salt": "036E2F635FA4EBFADE62654DCB825BE1"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "66847B455A552578EC8FD231AD73",
-      "expanded_key": "3EAB5899F6E7F7F3222AF529375885C2"
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-      "derived_salt_no_section_no_de": "C6532A848BD5C2A96F68C0382CEE3FE7",
-      "derived_salt_first_section_no_de": "E3484DBCBDE623F7251985C3813D9CEA",
-      "derived_salt_first_section_first_de": "B71D3D3AC3342A170DF2DAEF16977676",
-      "derived_salt_first_section_third_de": "884686B67DF929F6CDE452C8B599DE83"
+      "expanded_key": "19A11F4267B6C618CA38FE232BDE209A",
+      "legacy_metadata_key": "1F6648307C86048092B4D84CB635"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4123DA00B09AC37FDEF7827B8005C54A",
+      "derived_salt_first_section_no_de": "346ABEC728A9C9EC276F4243184F2C11",
+      "derived_salt_first_section_third_de": "A90EE3A45D79540DD253E49F7EDB21EA",
+      "section_salt": "E315B4136AAF79295C12A3BCAAB9D96C"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "93ACE4955EAEF504448DE379",
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-      "derived_salt_first_section_third_de": "4BF985FDC2250B811010F35900545F28"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "B22CF1EFB5D5693C8182C0996427A61D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "18102E27BB2639988B9C00FD421D35B6"
+      "adv_salt": "D518",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "EABFE6F7661718381C3AD791D38E7BFF"
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+      "legacy_metadata_key": "26870679D60E44DF7E85EFCDADAC"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3F44",
-      "expanded_salt": "5DF098EE29545EB5045A5BA707A37ECB"
+      "adv_salt": "11E4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "9F51451084A982E9C929A7D1757AE627",
-      "derived_salt_first_section_first_de": "8DCA1CFD05EF7F5C2707443E48AC2420",
-      "derived_salt_first_section_third_de": "15D08A8C29D2E02017CE91F5032384F0"
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+      "legacy_metadata_key": "9A8AAEE51A15617C225533B30906"
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   },
   {
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+      "derived_salt_first_section_no_de": "18F897A14D83E484F719B3183B5B4AE9",
+      "derived_salt_first_section_third_de": "92CE2ECEE92F3B800487469E0E096220",
+      "section_salt": "E217C3CBB4A5787116DCD08CAED0BF78"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "9C340F0F1B280F2B326FBB73F8F18947"
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+      "extended_unsigned_section_mic_hmac_key": "F2B944CEEE2A11B39F74BD38DE58613FE756EC0E26BEB571EDEE77E050C7709B",
+      "key_seed": "AE37B32D55C277CAF985FF13D06E31F15A521E8DC946520DC04EDA42C5C8922A",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "203C",
-      "expanded_salt": "B64FC08EAFFF7FC8179D45DED9C59C9C"
+      "adv_salt": "41C1",
+      "expanded_salt": "244E3322316618CA2121EEF8AA9AEB37"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "A46E5507483F060E6FEFD849DC574C75"
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-      "derived_salt_first_section_no_de": "912E8BEAC16F00C6D4B8CFC8FF403589",
-      "derived_salt_first_section_first_de": "3051F1ADC7B5DDF796569FD0F84A4AF6",
-      "derived_salt_first_section_third_de": "7BE6F61E3883C8D8983C0F332696D873"
+      "expanded_key": "7B4535DE4F1007C0F82CE36E2AB078A5",
+      "legacy_metadata_key": "0617C08792688207057FDF8F536D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "093174981B1F63BDE7AD5775E7815C75",
+      "derived_salt_first_section_no_de": "98909A292F72197CB77AC62C78522BA5",
+      "derived_salt_first_section_third_de": "674DBEEA560A98C3458892E08140FDDA",
+      "section_salt": "182B28456868DA7113FDBA2BEF574B4A"
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     "key_seed_hkdf": {
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-      "derived_salt_first_section_third_de": "C77E4619FC3005574DC57B2B048055B1"
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-      "derived_salt_first_section_third_de": "11C427E9F3FAFABBCA69DCB6B28F32DA"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "07425AB5946DED5F881FDDC5BB5423BE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0DAC94497017BA467FDF214BA2BE830F"
+      "adv_salt": "C7BD",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "67A22F5CB95B5C7D29B9EAE171B919D0"
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+      "legacy_metadata_key": "D24990258D11C875E5B9879F8EAF"
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   {
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+      "derived_salt_first_section_no_de": "D87FC3081C8A4F466736DA72A2EA6722",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "26E8346D9B0F7B245A8EEBAD7181B174"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ADE8",
-      "expanded_salt": "8E685C380119C39F437EAFA15188706F"
+      "adv_salt": "9B58",
+      "expanded_salt": "3D0BA8F272EC7A246CD1D9673AB9B235"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "713F7A451043EA4716708D98B761",
-      "expanded_key": "1E066354CAC207B374098BF5D6475613"
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-      "derived_salt_first_section_no_de": "B2BD0D7C21ECE57B0A15B3FAB4C7D497",
-      "derived_salt_first_section_first_de": "47371E1E1E4170D2D5C9AF8F3CD7895E",
-      "derived_salt_first_section_third_de": "4D68CF1C983FE65E1FE792F2D55C39E2"
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+      "legacy_metadata_key": "C8797E005C6094395CC5C098DF60"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E5DAC686272B6758C71079A210BB2A5C",
+      "derived_salt_first_section_no_de": "8F0032D995B95A2C9CE2329C4FE48AD4",
+      "derived_salt_first_section_third_de": "E453C5C355716E4DADEA3BAB1BBAB046",
+      "section_salt": "A598916EA079C3CD34D974D9D8FE06B8"
+    },
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-      "extended_signed_section_aes_key": "0E5004BBB0B73FEA9002A22863F429EA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E9DF486F038BE3D9FD80C28023A722EE"
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-      "derived_salt_first_section_third_de": "30B04C8CF24EDE4C9D233EA38C20BE3E"
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+      "legacy_metadata_key": "295148C8383D59E4F0A045056697"
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+      "derived_salt_first_section_no_de": "000D6303EF59009EE5E06D561B9F25BF",
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+      "section_salt": "4EC5059EC3A988E9F03D76055FC81BFB"
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-      "extended_signed_section_aes_key": "6794C828915F132FA6CCAA078DBF7548"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "527C61ABA37F88A05A308BE111E9F57D"
+      "adv_salt": "D299",
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-      "derived_salt_first_section_third_de": "FE1EB694DF5FAB133EAAB52749CA0448"
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+      "legacy_metadata_key": "E1ABC473EA7A2A4A46B94170CF47"
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   },
   {
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+      "derived_salt_first_section_no_de": "BD244C4A1068660AD31C4C21FE9184EF",
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-      "extended_signed_section_aes_key": "05214FF7E5E190DA9B02980C42446A9B"
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+      "key_seed": "9238B2B514C84F7ADE8082E94870F7318F0AE768DCA7DDCFC3F9CC90840E43E8",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "FB05FCA7ECE8A1E9D34548314D0E3A01"
+      "adv_salt": "ED79",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "492E11C4F91B89B953F39E88D6AC319E"
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+      "legacy_metadata_key": "DFB491A0D4D5C7285857404DF984"
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   },
   {
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+      "derived_salt_first_section_no_de": "3B0AC2EA1F516C009C15791F5060B341",
+      "derived_salt_first_section_third_de": "CF03CF1C33652ED534492E32EAF0AB41",
+      "section_salt": "EA45444450335E37A179A2F20FF6E545"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "84FCDF6A0B1E65F6EEF3A07E88CA11AC"
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+      "extended_unsigned_section_mic_hmac_key": "F72C332F57D6ADDEB029429E589E90E6F69A55DC52DAE7A744D061CC18DD1D90",
+      "key_seed": "17A179E2FEAC1C411A0C9F7F0B21F1EF9F9BFAFE27F83115C814CD5DF1475C99",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CB9A",
-      "expanded_salt": "713FD7CF971D9E2022088F4CD40E05BD"
+      "adv_salt": "C58B",
+      "expanded_salt": "457363425330A58D4B667342C7BD72DA"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "331ACAE6D0AAB71634EBDCFF1B54A40D"
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-      "derived_salt_first_section_no_de": "D35716BC3AB14C8E547956200FC4D6A7",
-      "derived_salt_first_section_first_de": "04C84F27AF09A5312DD1DBF5461977B8",
-      "derived_salt_first_section_third_de": "0F4100D5F8693AFCFF3F257EB0978DAC"
+      "expanded_key": "6BF1AAD500D60CC25E1005C9E1CBEEF8",
+      "legacy_metadata_key": "C8735F3648A961FA72C4C3125646"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "ECECC3618BD9F30EA48CA8411E886297",
+      "derived_salt_first_section_third_de": "74A8DE58AACA17DA7C0B064848681AE8",
+      "section_salt": "1F92B679E54A1FDC3A2A6ADB0FDFC2DB"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E897C0286004B40AA990A14B",
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-      "extended_unsigned_section_aes_key": "F1C9F73025EB6C735003C4622F81955E",
-      "extended_unsigned_section_mic_hmac_key": "2F61FBBE2424F56EE5EB5722D7958987A27BDB0C0F393B4E1CBCC0593554197A",
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-      "extended_signed_section_aes_key": "821B2513A1A3813CBE03FBF8A0A9AA8B"
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+      "extended_signed_metadata_key_hmac_key": "C5A6E5C241A5B5DB8B9F657345390146BCEFE9A8581F72692B1684CB9B8C8572",
+      "extended_signed_section_aes_key": "DF74EA7A267F4CA22B5CDBD4047BD33F",
+      "extended_unsigned_metadata_key_hmac_key": "DC3A60621E6DE73B6B0B46E5636A31FDEA35C37417B27F0D32692FABB6C50362",
+      "extended_unsigned_section_aes_key": "E0282B9D7764EA2CBBC212BB058D79D0",
+      "extended_unsigned_section_mic_hmac_key": "2604DB126CA9332773DC3A281A393F401B6FA3FFDC4738D18106FA43197709FD",
+      "key_seed": "31372473D7088C17CA741D0327101A8A2E85A547694BC39CD222635FFBDF41C1",
+      "legacy_ldt_key": "A9DA46E9EFA88EA53AB7409CEBC3A364966A49A40396A18D76A8420D09CC0AE318FCA703855125290C7F7652090A519D98BB0510C35F36F9310615A7AC8E81F2",
+      "legacy_metadata_iv": "D3E20C59A2247B715E4BC5AA",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F0E8",
-      "expanded_salt": "92F32D024085A4C2E1175371B5E1C2CD"
+      "adv_salt": "3DBA",
+      "expanded_salt": "04AB0AF28A62DD3E11B52C22006583B3"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7FED4E354E23C8C336196C66D842",
-      "expanded_key": "FF81D0EA978A41381E95B48051EA05F0"
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-      "derived_salt_no_section_no_de": "B4E569178EBC48BF29D2706ADC687FD1",
-      "derived_salt_first_section_no_de": "5F1AFE8828AEDB478864A7CDBDA7A001",
-      "derived_salt_first_section_first_de": "FF037A445522A2508AC71851657A1386",
-      "derived_salt_first_section_third_de": "11C6F16B4B4D066A20445B2BF6EB0A8B"
+      "expanded_key": "071A16F4ACADA1F3783E88BFABCAC037",
+      "legacy_metadata_key": "F709D71FC36B7718ECB1785E8278"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "AFCDE8B21224238760E25B673054054C",
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-      "legacy_metadata_iv": "10C2BDD266B17EDF8E021737",
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-      "extended_signed_section_aes_key": "BF881860FC2EBD8F9F136FB8A0A818E7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "8B0523BF87D6F263815FD798CFBB1827"
+      "adv_salt": "2E4F",
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-      "derived_salt_first_section_no_de": "98A14EB0685A4798C9B075764BFEE555",
-      "derived_salt_first_section_first_de": "A035252873D2B8AD6476C05258683CE1",
-      "derived_salt_first_section_third_de": "6965A4C1CC02E1446114619821AA0F3D"
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+      "legacy_metadata_key": "60F9A208051BCAC2509FE3192575"
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   },
   {
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+      "derived_salt_first_section_third_de": "E097BEBB07F706AFA649B08D3DB3822C",
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-      "extended_signed_section_aes_key": "FD66F5BE090670BA80BD30AC1765FFFB"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1AF973576B5CBDCB6C61E87F303D58D5"
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+      "expanded_salt": "42D7BA9E77ADBD184CFD405AAC7B822E"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "504E7AEBDB04D674ABE546DC74F382AD",
-      "derived_salt_first_section_first_de": "8C79E1948950E47462D020154AB41803",
-      "derived_salt_first_section_third_de": "A753727A0F7D4CF28A6466A2D6A4E860"
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+      "legacy_metadata_key": "8FCB2FDC0932C1248F01FB664581"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "826E7E25BC8384BE3916CC7EBAAD7E21",
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+      "section_salt": "62824C714A2A7412255B138A3897A606"
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-      "extended_signed_section_aes_key": "5D210F4A45571829D2848DDA40F57467"
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+      "key_seed": "4D7AD79463CEE0228925F9B979073CEC248D9ED74E522E90D9AB3B7D0D25EC17",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CB25",
-      "expanded_salt": "1145D574F43C2C1969792F8FFD074AA0"
+      "adv_salt": "D711",
+      "expanded_salt": "1CB29BCEDD2096C7E764257A3AC44722"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AD076F529FA0ED16E345DDD4309ED436",
-      "derived_salt_first_section_first_de": "23BEC375A4669526250244E4FBEB3D11",
-      "derived_salt_first_section_third_de": "1C28A811971D58517C01268510489E97"
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+      "legacy_metadata_key": "2BBD06A3AA82119DA25AD2C7D81C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "434C48BEE7DDEA974553E6CCD548AF4E",
+      "derived_salt_first_section_third_de": "9EE3C671A34A099D593AEEB409F8559A",
+      "section_salt": "DF03AE7C8B774C292F01938BCF7F15EB"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "996D7482B112131C9E76D9B6",
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-      "extended_signed_section_aes_key": "DDB7D17D8A88615D58F45F57DD70F0E0"
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+      "key_seed": "8A84FBE19B45AF7C6BEA3B06B326545A757C79BCAC57FD93CA299C4AC4D97103",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ABFC",
-      "expanded_salt": "318BCC9DA29F7F018E0C60080616375D"
+      "adv_salt": "6A24",
+      "expanded_salt": "6BAC2F1EF9BEAAF76B7EF19C8D79FA46"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "64AB360BD65F56DEB18987DC53078C9D"
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-      "derived_salt_first_section_no_de": "B26FF92B522A820A300F6B897013F56B",
-      "derived_salt_first_section_first_de": "F0C1BA6CBFE6942E4E09D183DAC4B259",
-      "derived_salt_first_section_third_de": "980956996C55D1472DA9FC76483D61EC"
+      "expanded_key": "CEC654CAF6BEF10BAF41ABBA5BF28F81",
+      "legacy_metadata_key": "5977B459F8255BFC94E024E243DF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "859965F377DE1AF2F43971C10F5CF07F",
+      "derived_salt_first_section_third_de": "4DD16E737E5738C0A2482E9BFC6D250E",
+      "section_salt": "A9A2CECB93167501A5710C347D09C73A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D57AE4E197B308A4BE80D572",
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-      "extended_unsigned_metadata_key_hmac_key": "70D6AF6A1DBE7EAC9A4AA63C17322B1A65D36A15B26635BE6DF60E6E67B9A253",
-      "extended_unsigned_section_aes_key": "0398D1382BC0AE63AC3F54F6F1D5A619",
-      "extended_unsigned_section_mic_hmac_key": "D55D9C3D0D7636BE273FE683A354D6846D5B3BC7E27BE8DD951E2EB012B013EE",
-      "extended_signed_metadata_key_hmac_key": "5237510C68D200514FE2902EA27FE010F5EA56D09489DEFDBA51EAC1CFA0CE21",
-      "extended_signed_section_aes_key": "29101158AA8A5C1B205FB9E00F2AE4C2"
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+      "extended_signed_metadata_key_hmac_key": "5CFFD7A6A173C4C862EA2FDA7D201AAFDFFD28420A58F98E1C461ABEB95C42B3",
+      "extended_signed_section_aes_key": "3AECED26E896D1FAFC7690A496FF3EE8",
+      "extended_unsigned_metadata_key_hmac_key": "CB3B2B24334EB2D267B9099458AFBCF491E24860FB62EB77F5176A49D40C2B1B",
+      "extended_unsigned_section_aes_key": "7833A944E86C028CA53AB4EBC36B2FAC",
+      "extended_unsigned_section_mic_hmac_key": "91C94FBCB7A850FA134337A4C29887BB1C74974F85A1158A2E1F25D30513959A",
+      "key_seed": "0E79824A7B5FD427A6F94382938684085DFF768EDC8FF17261AD824C4F810607",
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+      "legacy_metadata_iv": "58534EA7483221D2B8D4EEBF",
+      "legacy_metadata_key_hmac_key": "D66C24DE0A6AF0239B1DC3B29A40B27D81CBCC2755E3F4AFE0320E31DAF14466"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4AF3",
-      "expanded_salt": "CA8873AFD274498A627EBEA559D8D360"
+      "adv_salt": "B61E",
+      "expanded_salt": "16124795EDBB9F54F2D52D89CC789FD6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E7A3ADC4DF30EB4F801116716AD6",
-      "expanded_key": "05C602D50C9F39C9C91CA751F3BE6F15"
-    },
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-      "derived_salt_no_section_no_de": "607883EFAF60CA907083EC1151C234D8",
-      "derived_salt_first_section_no_de": "370862D8808EB6C9B248C8F5D5B2C90B",
-      "derived_salt_first_section_first_de": "F1A1B0C6EB2A0EB90DEFEC1395142BE7",
-      "derived_salt_first_section_third_de": "B630CE13E245BD6B3DA7347C8D6E1C63"
+      "expanded_key": "D567676031DEC7F7593B97F647E8D50E",
+      "legacy_metadata_key": "23E8B8F79CBF295A5CF07BD525B2"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "C1126559F3D14B25E94B024657134681",
+      "derived_salt_first_section_third_de": "02DDEFF1BD0B2FBC98D5010365C752A6",
+      "section_salt": "A59FADF2B63C4D92ED3755CCCCEE227E"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CF188FE6BAB9C7168E8A0004",
-      "extended_metadata_iv": "C22F4C63FC4E0FC6360C5DFF",
-      "extended_unsigned_metadata_key_hmac_key": "4109E45EEB2959B9ABEF2DB4829AC8CD7AF51A2035EE6927027DD96FE06B43DF",
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-      "extended_signed_section_aes_key": "6D6F50C6585C4FC2C6E8B5449C202D3E"
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+      "extended_signed_metadata_key_hmac_key": "06658E0CF402DB4A76609D4D582447A0C765370FCDADAD6FDEB27649C4BEA226",
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+      "extended_unsigned_metadata_key_hmac_key": "1EE6750CC064E263EF1A79222CF7ADA134C8ABFA63859CB7AD029D0143AC16BD",
+      "extended_unsigned_section_aes_key": "BDFEB6A79E05D313573B1AA34360D383",
+      "extended_unsigned_section_mic_hmac_key": "395A1A96D58A0993ED91BB6D022F381940FE60DD70E3EDB72A64FE7DF920EDFA",
+      "key_seed": "130D4DC385C3BB58AA4EBD040AF968B6A7CCB54B97614E0432B93E7712A1ED5D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A88F",
-      "expanded_salt": "6F32D6046AF402DF06E0950640394E59"
+      "adv_salt": "044C",
+      "expanded_salt": "A068989D567C57EEEB13629FB4C6AB55"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "135945D889660D5D40C4DAB33CB5",
-      "expanded_key": "76A452BB984ED964032794D85FD0159E"
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-      "derived_salt_first_section_no_de": "9C985E3B247FC942FD716A86F9844E9A",
-      "derived_salt_first_section_first_de": "84BDE020427462CD8DAB36182B4A0CEC",
-      "derived_salt_first_section_third_de": "4F9BA35398C36E88D340FA71C7D5E5DD"
+      "expanded_key": "5C772E274ED6F28304D6A4CDD2C19FCB",
+      "legacy_metadata_key": "CF25966902BEB67F8FC0C3F9B480"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "64E77161BFD824D11180BFA3E1922820",
+      "derived_salt_first_section_third_de": "C83565A94EE91689D6831BA8E5F18013",
+      "section_salt": "51D990601069D4176DDF31A6514752C6"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "094B7BEAD91B093374A60B2F",
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-      "extended_signed_section_aes_key": "54072F468DB31A03665699C71E9A70F5"
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+      "extended_signed_metadata_key_hmac_key": "258A077ACD1A5493D11D70192692C08775A201D8BDC59B337FC16B00C513962C",
+      "extended_signed_section_aes_key": "FB010ADBD650FABA039192AE5B18FFBD",
+      "extended_unsigned_metadata_key_hmac_key": "5C4F17E2C6462C12048E85E0E549DFBBBFC95355C54864E163FC14B304A34E3B",
+      "extended_unsigned_section_aes_key": "18F0AEB71ED828F8ECF49FD2C6FA7FC0",
+      "extended_unsigned_section_mic_hmac_key": "ACA09C74F3B06319B6D3D644D9E6725810C77FFEF9CEC3A242F42E05C5641CF3",
+      "key_seed": "3088C304CB6CB8F9352ED42E17F416F930827964717065A8F981F06FF206C626",
+      "legacy_ldt_key": "3B3AB8284AA126398C43B75C9CAA82BD78A33465A5590FBE512CFF4E6091B32A299DD1EEE064C5D67F7D3998B6B214BFB02AE0F35096E0E01594489964066F28",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B5F9",
-      "expanded_salt": "BF4BE8066B0D641C1897A106D5F55F36"
+      "adv_salt": "74B0",
+      "expanded_salt": "196FDA0C019DFF8883029E6D4960E79C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5373AA1163103286BD1A1EBA1270",
-      "expanded_key": "287E91FA41A7F4010C11537395A403C2"
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-      "derived_salt_first_section_no_de": "7B976D171FF2BB80DD2D90930DF2AC55",
-      "derived_salt_first_section_first_de": "E180493325DCAFAB4DA8ED0871CF56A2",
-      "derived_salt_first_section_third_de": "740D71E39049CBF6CF33E1E1AA23ECD4"
+      "expanded_key": "136B5EFA156F6A93D539858EBFD22ADB",
+      "legacy_metadata_key": "8B1A048F274A42FB535100EDB921"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "997A953D4EDA0AFBE2B9DFBEC93E2B5B",
+      "derived_salt_first_section_third_de": "F5CA1692C72D37D6326C8724FD579D29",
+      "section_salt": "011238344F02D5A41ED8E181267D310F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CB5F7B70B33ADF7D81E59DC9",
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-      "extended_signed_section_aes_key": "EC160D8608D5B1176F67DDFB5C89752B"
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+      "extended_signed_metadata_key_hmac_key": "EB6947B606B75B253BC7919EF31FD1130AFB73EFAF9D380EB0444742D0F309AD",
+      "extended_signed_section_aes_key": "7A1F79FA118776D92CBB96BFB1BAB03F",
+      "extended_unsigned_metadata_key_hmac_key": "86C5A3E8309EA52E82DF7E914CA9B76AF7D69236CFFA17C1922D8DD76CBB0C35",
+      "extended_unsigned_section_aes_key": "96A73D60C62B275E1DD5140C4C0026D0",
+      "extended_unsigned_section_mic_hmac_key": "6A378F80E55863E52F62258809B0BCC7B67A50135DF0F2339B27C898CDDE5C77",
+      "key_seed": "CBA140C9CEFE7D891F5CF8A1C0998738729FFDA9102BDC32B07199E181E32C4D",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E952",
-      "expanded_salt": "60880B52D63761AAE7D2628E5EBF9469"
+      "adv_salt": "DA07",
+      "expanded_salt": "4F0875268C1B697AA49777F9E2B681BE"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F586114EA6E02F78E8037219E190",
-      "expanded_key": "6A40EE76E0241A8000787621E1FA29B7"
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-      "derived_salt_first_section_no_de": "F99B1CCE6A33B3B30035DB55DB9C0129",
-      "derived_salt_first_section_first_de": "3AC6A2037E52E3434631A5970C33063C",
-      "derived_salt_first_section_third_de": "520B9939A5790243E6C2C9B2F69CF4E5"
+      "expanded_key": "D98236F336FC7C9F627E80039804BA1B",
+      "legacy_metadata_key": "97C96DBF5B9A3A54FF68F662E0E1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "B4211C8DD0E207E35A86513934E501A8",
+      "derived_salt_first_section_third_de": "5D9355920041A168FCB26DA35C922CD8",
+      "section_salt": "E4DD6ADEC4D539BE3562D89B64C571C8"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2D67B46E7EE72EB938B30234",
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-      "extended_unsigned_metadata_key_hmac_key": "7B5B36B2EF138E92CBF213B35B811CE68C199872B2E8F3CE4983F76324728D3C",
-      "extended_unsigned_section_aes_key": "E91C50B4184D324FBBC3475BEC3B12A2",
-      "extended_unsigned_section_mic_hmac_key": "233F60B3BC7EBDF020C9BFA92047C685CD50C7A9A18586851E305228EC2BA843",
-      "extended_signed_metadata_key_hmac_key": "52B3BE4681D436060A1335A1FB5EBBF243F949A2B3535E3BD3E20D5DD1B4118D",
-      "extended_signed_section_aes_key": "F434696FE6C2F9F995857E8FCB2D64F5"
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+      "extended_signed_metadata_key_hmac_key": "9078303E61CC4970FEF6568151981A9D6349CB46CA14FA96537F95C338AD3813",
+      "extended_signed_section_aes_key": "0B94201B993F07900EFB3850B1BED300",
+      "extended_unsigned_metadata_key_hmac_key": "E57F2949E6BD494E11F694E5DE86510663FE00596FBF87FF5CDFE4675AA5052C",
+      "extended_unsigned_section_aes_key": "1492685579EB840DB731B8E2DA133292",
+      "extended_unsigned_section_mic_hmac_key": "31D525CA7BEF3EED7621E73EBC7E0454B1033B5D44B2C9EAF083D414DF5DB12F",
+      "key_seed": "FBAE9C4FC95981D980F045AC5959CA27DD85A12D385C9A88B576B712E0E60090",
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+      "legacy_metadata_key_hmac_key": "524AC8554454AE8CB16B471974EC6F0F4A0E357692A3314DEF20A7CB2C606130"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FE48",
-      "expanded_salt": "17F9EA550257F49DBE66E23DF92E41C4"
+      "adv_salt": "8084",
+      "expanded_salt": "DB9E06EEAECBBE41BD3DCB91C1A95213"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "86645EBC93AD1AAB44F2123F84AC",
-      "expanded_key": "E05BE4CFDF36E79D8DBF8F66952C2B66"
-    },
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-      "derived_salt_no_section_no_de": "4E01442AD660FA8BC2996D3EBD5A892F",
-      "derived_salt_first_section_no_de": "E5DE1E8307434BC9B8DB1E1508245FB5",
-      "derived_salt_first_section_first_de": "44D01DA321D9F4E1695C7CF14E110ED6",
-      "derived_salt_first_section_third_de": "AB4A3B49166E956F089017E56C7EE40F"
+      "expanded_key": "AAC982E118D456379E86E3B44EA57D35",
+      "legacy_metadata_key": "E00F1BEB0FC5489642692048B197"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "264885F36FCCA0BC66A2E264B75132A5",
+      "derived_salt_first_section_no_de": "328B7728229F9D426AB81D5E4F64973C",
+      "derived_salt_first_section_third_de": "FBEDE2FEFBB1B3065852134126377CB0",
+      "section_salt": "2A63867CF5EA94BCAC39FECF7BEBDF0C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "E93A5FF6D507CB8B681856823AC854FB4939EE3BAC5F1E0F2CC0FF3E178ED685",
-      "legacy_ldt_key": "00FFBC104E9329B926B7E93352A6E5B02348348F0A8A2FE06C782BE81BE1AEBC7C54F11BD9D4C09614B2C945316E27B36E733E9A1E42368D844BAC314CA95113",
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-      "legacy_metadata_iv": "ACD2D9AD71C5D9767D160F6C",
-      "extended_metadata_iv": "807888A32A5EAA8870A719EB",
-      "extended_unsigned_metadata_key_hmac_key": "DE8B248DDE36CF22E68B534EFAEEF1F2D2906BBB6592ED358646F6BA0D35E13E",
-      "extended_unsigned_section_aes_key": "3A401360ABAB871F9A6D53A8D89BADF5",
-      "extended_unsigned_section_mic_hmac_key": "D2F2862C7BC2EB317774C9658DD4F621B3BF155E88871EDB9EFA8A4A07DDA156",
-      "extended_signed_metadata_key_hmac_key": "D6A3105A8166068B6949D8EBDE94A231F35CE177E92666A0EDE2D74031B81080",
-      "extended_signed_section_aes_key": "E10C258AD955FCBA5BE850B38822B316"
+      "extended_metadata_iv": "61E174E4FB64DF298F69CD57",
+      "extended_signed_metadata_key_hmac_key": "51C50390764EC9CECF07384881BD4B1E085073D7B5692EE21A582758A05ED3F2",
+      "extended_signed_section_aes_key": "8AA932A1EE0B451A140EB96821F40D62",
+      "extended_unsigned_metadata_key_hmac_key": "2A906D75A248CA8CE347182E90660B0D92E7197727F106389B0C3D5BFF446246",
+      "extended_unsigned_section_aes_key": "48CCD75C518EE7D84E9EDBAD37A19993",
+      "extended_unsigned_section_mic_hmac_key": "F1A01046464E97D8D2B53BD9B7FA95EEFC9C38E57D82B05656F41357A6E98F4D",
+      "key_seed": "15BA8C32473B322D6FBC34D7303DE55D5309D4470F666DF2574125C0C405DC68",
+      "legacy_ldt_key": "1DDBFC2C3C7EC66FB6D822EC0603770F58C3F167FDE1EDA8C952600D3A6B8F3E8A09C413E49C040F3284F90726D4D38A020D748811E6B67B2A2C9E6BA7F5D443",
+      "legacy_metadata_iv": "5DBF2A73E9E8B8C64551A2D7",
+      "legacy_metadata_key_hmac_key": "DBA55DAAFC77FC8AB3C76FF56F06624CD864D122CEAC2C9D7912656586F25A04"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C29A",
-      "expanded_salt": "AF01557A5A4DD41B29C303325B120CCE"
+      "adv_salt": "2D32",
+      "expanded_salt": "8EAC326ACC5257377B73AD0BFBEF8E06"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "652CC492688ECA7B583E9223817D",
-      "expanded_key": "33CDB0CCDB73FF7C2B6B14104CE1404C"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "C1E91FA4D20934A77810E28429A3F011"
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+      "legacy_metadata_key": "23672D2ED30C131CDD5167C91F2A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4DAACDC89CA3C5EA6ADD79559697E8B9",
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+      "section_salt": "453192DD7B0B0140BE206481E78A1133"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "140747153E503754CD149F5E1007C933"
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   },
   {
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+      "derived_salt_first_section_no_de": "36FF6CCFA2012C9808FD00918EAB84BA",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "22A98AB862E3B400A2F85B8DE8D03262"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0BBBCE5F448F31EE870E32ED5A5AAB57"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C7813A914F4140A76AF1D57C474188F3"
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+      "legacy_metadata_key": "D29799B36D19F5913337EC94983B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "05A96AEA6B6941C83C79075DD055AF22",
+      "derived_salt_first_section_third_de": "1611A7A53DB2521AC9E0F0224F95FF57",
+      "section_salt": "E9DD9FC0029CDB8265AAADD5C615486A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "39DB3F0CCF1DBDF71193BC61D385AB48"
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+      "key_seed": "8FF2E2752C3DBD0EC2F2C671AF3634730C9852419055F985E9CB15AEBFA19282",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2AB7B911DB25BE3DB44D5F44891F47A8"
+      "adv_salt": "C8E5",
+      "expanded_salt": "E9CC8F973FFC7780D846FC792AACA531"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "EEFC5E3195973FAC095F3B513DAE395E",
-      "derived_salt_first_section_first_de": "58E4C1B1A4D567BF500924F5EA5FB77E",
-      "derived_salt_first_section_third_de": "788FB2812E771A80D13F05CB0CFF0BF0"
+      "expanded_key": "E0F2CBE1E3E866DA0B86C36292CBC420",
+      "legacy_metadata_key": "74D5E15891BBB9E952BA225439E4"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1438DEFFAB67746A92A45D476F05E92B",
+      "derived_salt_first_section_third_de": "5AF089DC14B2B62B7604A15E7545F815",
+      "section_salt": "B7164226507B7E56057ED5F5F3BAEF29"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "3CB7531B61F08B9146E2F3C5",
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-      "extended_signed_section_aes_key": "942AA7F1353C5DB120449E5B16F9D8B4"
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+      "extended_signed_metadata_key_hmac_key": "ADB05BD3783E603541EE5A73ED28028964D1DDACE0BD7504A221BD2C90039133",
+      "extended_signed_section_aes_key": "CCE1531FC722CD292782148A84FFA830",
+      "extended_unsigned_metadata_key_hmac_key": "18D84322C5843B2348BDB91A3F78A3EB42C5C3F7EFCF0564ED51AE0517F4DDD8",
+      "extended_unsigned_section_aes_key": "C835FA5C8A79A1771C2F76A7601E271E",
+      "extended_unsigned_section_mic_hmac_key": "1B8264E6394F5E6030225EF54C0A3B89F05DD84C375C1A8C8E1F306FDC935711",
+      "key_seed": "93C7E387ED6F726A7EDE5D2C82A12565E53B6382DA51B5C4AF43BC47B3CD9183",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1873",
-      "expanded_salt": "C0FEC7FB265779470E45EB383F85EF4A"
+      "adv_salt": "2CB5",
+      "expanded_salt": "89A517B3A8879AE553153B484A546D51"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "D93267B7A02DA27145BF93EC375207E0"
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+      "legacy_metadata_key": "33C4AD4421BC1B0FA6551BC459D1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "32B8306C448AC13DBD435DF90E22EFAE",
+      "derived_salt_first_section_third_de": "F61E0EF7D269843AEA2D72F4F4303420",
+      "section_salt": "C9B274DDF8E00EE3B7F2C70D80182706"
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-      "extended_signed_section_aes_key": "BD28953719264AB4F20A30CE6E433477"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "02C680F7DE636F44EA44D1BFF1F25831"
+      "adv_salt": "4CF9",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "CF1922A13F2FCF410C7BA04F67A6D9ED"
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+      "legacy_metadata_key": "9F439E179F6810DC50E3E2F7B18C"
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   },
   {
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+      "derived_salt_first_section_no_de": "C5C075553F7A199EFF8FEFD5FB114D7E",
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+      "section_salt": "F81DD6C483A532D618F1B6E401B8C92A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3600F8C49697974086DCCFEF33855106"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6B31",
-      "expanded_salt": "87C85FF5837B09C4735A8530F36206E9"
+      "adv_salt": "EF0A",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "D5321BE32BB1D459F3CAD12BC39E852E",
-      "derived_salt_first_section_third_de": "ABEDC5F5C645B359DEF886A89D7AE860"
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+      "legacy_metadata_key": "59FB80DD1DA4C9432C90F9654A59"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "58F719534CF7CBA5FB8EAC196324872D",
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+      "section_salt": "79BBD27565ADD2178E95507767675ECC"
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-      "extended_signed_section_aes_key": "6D4D0555AE247693A504686221B05A43"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7E49",
-      "expanded_salt": "A85CD8F884018150D91D2FC2515D59C1"
+      "adv_salt": "419D",
+      "expanded_salt": "DFCFE688C4DFFAB7D182FEC634947619"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1986F50862136F6CD0D06D169DC1",
-      "expanded_key": "619ADEB4D49EE411126196B59331907A"
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-      "derived_salt_first_section_no_de": "1DE8608E6826A0E7348E189C127D37A5",
-      "derived_salt_first_section_first_de": "8466137D1A307913DBA37DA2D0750EC7",
-      "derived_salt_first_section_third_de": "DAAC7725D45751A1C9C40E1FBE474F8D"
+      "expanded_key": "DFD4141AF6120246EBA2096546C5C007",
+      "legacy_metadata_key": "CDAF7AAA6FF929FFD52DEDC58894"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "34A938A58F3F87EEDAEAE51CB3A9DB49",
+      "derived_salt_first_section_third_de": "F747EA0B9B29FA8A64C24087C7A9F86F",
+      "section_salt": "3D22F3E19D4D5434FD9796C92CCB3B7A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B0722BA30676CDD43E8BA201",
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-      "extended_signed_section_aes_key": "5B4D2B9CDE13922AC6BD01D0A6CEB764"
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+      "extended_signed_metadata_key_hmac_key": "E392438A0F0CAF64F0E3F2CE3DA6EA98AD6BC965CDAEB96CF58EF1E963E25834",
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+      "extended_unsigned_metadata_key_hmac_key": "2ED5F9C9AD00F4D6DDBAF3D868FB04261CDC87261BB6C849C07F49782C5EECB7",
+      "extended_unsigned_section_aes_key": "3B820825D719B9870974B7411DF14B4F",
+      "extended_unsigned_section_mic_hmac_key": "534F47556769606496CE049B4241E1BBC515265A5AEBE650976BB64E742229FD",
+      "key_seed": "BEB7AA4AAD3370D6CF1B0A565DEA55D5290EDF07D2ACC0FD9C6E9FEFFC610DBF",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6A47",
-      "expanded_salt": "BABCE644BC2052763494147810587802"
+      "adv_salt": "E9C2",
+      "expanded_salt": "6A137C9846A895232F2E57E6B4BED94C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9805B21E3B27176D0DBB0CAC7CBF",
-      "expanded_key": "B819D27C4B8BEB17F7ECF422E4BBA298"
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-      "derived_salt_no_section_no_de": "573C552CE7D586E61120B0A96D937895",
-      "derived_salt_first_section_no_de": "C8E756ED45EC847F9F01FFA9D3331159",
-      "derived_salt_first_section_first_de": "8308158A555518FC6E184AC643706A14",
-      "derived_salt_first_section_third_de": "6D5452ACB45E9AC0BD6F783AB9F02165"
+      "expanded_key": "8B7633700A8CFD604C5AB6C59BCDC63E",
+      "legacy_metadata_key": "5A785A806BF5CDCFC4ADE8FD2B79"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1F875AA6BD278336991F631FD8421AFF",
+      "derived_salt_first_section_no_de": "A0E243E0EC04524F0AA8872ECDBDD7E1",
+      "derived_salt_first_section_third_de": "74F6C07F9446476D5F42EBDFD774206F",
+      "section_salt": "592D15C835A3087B62C364BA4AD6D7FE"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "427F6E8FE71022BC468447CE",
-      "extended_metadata_iv": "1CDB38A6A1870581EBCC06CB",
-      "extended_unsigned_metadata_key_hmac_key": "F4E542DA635C0D59CE3736042BF363CF04A75BB09FD8ED0060E35AF9C5F7C634",
-      "extended_unsigned_section_aes_key": "C6831009F293036EEFA911F64DB8EC02",
-      "extended_unsigned_section_mic_hmac_key": "1A7056455BEA32CD455E1AC9DBC63D46DC27961EC76F752F07509D05E6870CFC",
-      "extended_signed_metadata_key_hmac_key": "90CBD2A887197CEF085F52CDE879CA39C618BEE87B94710AA08993FF648C3600",
-      "extended_signed_section_aes_key": "7846649B91B06B0BA9DE9C749D0F994E"
+      "extended_metadata_iv": "A6BD8FD6E0374AE414EF4F5C",
+      "extended_signed_metadata_key_hmac_key": "2A6E96D62CAE4BC5BF0F666EE694E8885D41880C0C2769BB85EA3BCB0B0F94FC",
+      "extended_signed_section_aes_key": "E9C1FE93EA4A0E005FAD3B30974EB761",
+      "extended_unsigned_metadata_key_hmac_key": "13C38CD5BB4D035C5C935645274D2F53133B08C201BCA3CC096C2A82BFC9A1A0",
+      "extended_unsigned_section_aes_key": "06AF48F88FE646BA50331AEA35BDB066",
+      "extended_unsigned_section_mic_hmac_key": "1B82D7F1CA80086E019240ED2B66E0F05B6C41D6186475F67170603887461758",
+      "key_seed": "0B329EF85916E25FBC9D7A15FBF7E5DBAD0D8FF3CCC287514A0F2C3EFC4C21BB",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3A3C796302D680CD404F337092DD73DC"
+      "adv_salt": "0DC7",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "33AD6779971B96F5314D9FF002E5F7B9",
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-      "derived_salt_first_section_third_de": "D6864DF43949B489A283E67471A541B9"
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+      "legacy_metadata_key": "4C88A100801BE5E79BCDBDCE8082"
     }
   },
   {
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+      "section_salt": "E486BC8E9D53384D9766F7DE24B131D6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C007A7A65A6753DCC2D5477E22DF8B38"
+      "adv_salt": "0938",
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-      "derived_salt_first_section_third_de": "3A54381C774E031EE281E7793FC8AB83"
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   {
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+      "derived_salt_first_section_no_de": "B5F84903FA61B593AAC515BFF4467A03",
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-      "extended_signed_section_aes_key": "073326B6E2C69CE627584FE2D50176F1"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "34C18A6AC6AAB0939671BF7FF57A6BC8"
+      "adv_salt": "2D5C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A2BD8440C7C4BDB2BE251DD16C8F08F2"
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+      "legacy_metadata_key": "4834AAE68B30BB21C513DC348DE8"
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   },
   {
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+      "derived_salt_first_section_no_de": "43E2FFCFE1D900BB15B79EFD51E8EF82",
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-      "extended_signed_section_aes_key": "2D9EF41BD42719F43BEA0D15800F85FB"
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+      "extended_unsigned_section_mic_hmac_key": "B9EF5092B7A1E042AE97339707D1259ECF018B76AEE8694559FED3376FBACEAC",
+      "key_seed": "100D0BE998E9B8A0F222BCBA7D333F44482D0424D753AED05D815EBDFECB7B73",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CDF3",
-      "expanded_salt": "0D90280D2922A49BD6A7EE10F741569A"
+      "adv_salt": "7FB0",
+      "expanded_salt": "BB9EC2F5CC3716251B7B8FCC99BD5C2D"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "493F0AE78C80699976F9400DDCDEECC2",
-      "derived_salt_first_section_first_de": "BCCF9F949484D5F9BCD1626AD332121A",
-      "derived_salt_first_section_third_de": "5394F10C34916A51F5A2C0DDE0E92E9A"
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+      "legacy_metadata_key": "E10A4B4485869035540C4BCD444F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "24536BCFAF80FE38EA1969B64E485AE0",
+      "derived_salt_first_section_third_de": "8FDA56EC287590AAA0004685B6215B08",
+      "section_salt": "5A2A6D63E70CFF581501FDE37C5C855B"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "B00CF3D985F7C0367DAC169FC0F400F5"
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+      "extended_unsigned_section_mic_hmac_key": "A3EC723F7F48A761065DA005AC3563AD969178640A6CFF0226A52743AB415D6B",
+      "key_seed": "F2A3D0FA5C6F843168AF2D5D72264C886AC462B294435659EF7866C8C52E67D5",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E127",
-      "expanded_salt": "AA879633D01B2D9B51859B1D3B9C5874"
+      "adv_salt": "941A",
+      "expanded_salt": "EA7DE486EC8813367262E2B75B65F629"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "14B318423F7136DF19002D90F1BF",
-      "expanded_key": "26A94E5538AA59DB07C2BBCAFDEF8C3B"
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-      "derived_salt_first_section_no_de": "ECE141A7507DC903C5E4D2FA8EFC4A18",
-      "derived_salt_first_section_first_de": "FECD32556BFAD2C7EF6304C41D06E777",
-      "derived_salt_first_section_third_de": "78A40305250675A07A0690734D6FA6D6"
+      "expanded_key": "9E28CD276FAB576F85E4E62D99830CF7",
+      "legacy_metadata_key": "790D084685340C90BC49D295497C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "6FE11E10CD3FC11D96467875E0413540",
+      "derived_salt_first_section_no_de": "1875E7E066906750F3D81FE203189F36",
+      "derived_salt_first_section_third_de": "DB6EA218218ACC61AABB2829D5BBA88A",
+      "section_salt": "7780AD9E7CFF53B999AC52C7C451AD0A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CD026D67C5ABF687732CFE91",
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-      "extended_unsigned_section_aes_key": "629257EF4397CF83B013A54E9DA924AA",
-      "extended_unsigned_section_mic_hmac_key": "C43908F98BC86D1A819C17FF28542FE7B97FD26310E712F2A8C30558FE425A2B",
-      "extended_signed_metadata_key_hmac_key": "FCBFAB91800CE038CE9482ECAFD61C407563A1897D99E9DFFBCBE90D4FAFECFB",
-      "extended_signed_section_aes_key": "F32F17A15ACBF91C46CE4270D44439AC"
+      "extended_metadata_iv": "DEB2F55B12BB38C467BD363D",
+      "extended_signed_metadata_key_hmac_key": "DF72B5F5492D2483A33507D761B833F93AA8C9C051BABB2E71B7DAFB2FF0DF7B",
+      "extended_signed_section_aes_key": "6A9B50EA16352A57203A40C4C9C6DF93",
+      "extended_unsigned_metadata_key_hmac_key": "1EC9EE063F776AF0B5DB4DF2C4DE1E96927C6A8047AA260F4789D39A14349FD6",
+      "extended_unsigned_section_aes_key": "ACEA9F4797BEA18C53AC8987DB73FD6E",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "BEE7954FDA16506934B5AC58FC5BB8A3"
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-      "derived_salt_first_section_third_de": "6CB9AA91477D24F051E11A932A2803EC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1F600FF343E334CBF3ED13140E428AFA"
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-      "derived_salt_first_section_third_de": "549A1D78057CE1C4A865399EA309FD78"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "81AB",
-      "expanded_salt": "EB3D77D75E235356F84BC6DB10BF3DC2"
+      "adv_salt": "693B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4DE98760578864BDDA0C8438CBB22FD1"
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+      "legacy_metadata_key": "1DEF7D48C94FCEF67C6415A9CCD2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "AFBB73F3E11928E8196F186E5AF77A99",
+      "derived_salt_first_section_third_de": "85D17E505FB146BD71E43D9D253017E6",
+      "section_salt": "AD49DEE146F15168F1DC727C8C50A620"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "03250633C6738C6A88E5A3AE41ADC6D0"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "027608B1AEC4005A0854F69E9184E0A9"
+      "adv_salt": "2946",
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     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6E6E8D2B188DFE8E9F7A45E459097AEE",
-      "derived_salt_first_section_first_de": "DF8C093561838F1FD7D754D5FFEEB619",
-      "derived_salt_first_section_third_de": "6D8183AAC70A7BC93D100232705A46BF"
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+      "legacy_metadata_key": "86D7B3D18E29392DF826F4F3CD67"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C58D089C7CCB88B56976A1D8F306C336",
+      "derived_salt_first_section_third_de": "C8B12784AC97A620C46B5C7092C9C06C",
+      "section_salt": "90FFF1F4806E77315ACF749E24992767"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BFF1C33EE52F1FF1A313BB9D",
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-      "extended_unsigned_section_mic_hmac_key": "2F7B2D5F2F534AFC7EAE061B2685470A76FCD960F53888E37848EE66B83B6DC1",
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-      "extended_signed_section_aes_key": "4EFF3BD4F048783FD95E5BC64A176B40"
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-      "derived_salt_first_section_third_de": "74C123C79E114150DB3AC612A764CC08"
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-      "expanded_salt": "E12AF40D3699FC1D14AE39EA4CECF83E"
+      "adv_salt": "1343",
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-      "derived_salt_first_section_third_de": "ECFED5DD96BF1CA7FE15BA8AA29B7AC3"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "BE372549FBDEBF21C82BCE8525A8179E"
+      "adv_salt": "140E",
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-      "derived_salt_first_section_third_de": "B32D856BE5F2DBCDC150CA7E282E36C3"
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   {
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+      "derived_salt_first_section_no_de": "2372A055FE67552B8A57F11ECD177ED6",
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-      "extended_signed_section_aes_key": "F032736A54804DC4307DD0EB0E048C11"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9252",
-      "expanded_salt": "7D095FD1043ABB19096B7200F5736732"
+      "adv_salt": "B037",
+      "expanded_salt": "46162B19920BCC6E34DDE6FB2D1C0DDC"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "1C3BFEC8BF96962557D124DAD575EAC3"
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-      "derived_salt_first_section_no_de": "E5077A7507BC2D8775EE959163BA8AFE",
-      "derived_salt_first_section_first_de": "F5BF2B2BC364A0B51280BDDFCFFCE8E9",
-      "derived_salt_first_section_third_de": "B06F3036C9761B5057D1828FE3174715"
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+      "legacy_metadata_key": "30A2818193CC5667A5E954C46B74"
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   },
   {
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+      "derived_salt_first_section_no_de": "0C7FB86CD203BE18CCC31B28B6AC77A8",
+      "derived_salt_first_section_third_de": "623C19C1D74E5D7B3CE3848878D32A58",
+      "section_salt": "DC3F1B12D534CECC64B58303290C91D8"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BA81156FF4C941A129132D26",
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-      "extended_signed_section_aes_key": "A4411E2B1FCF3DFF578FDC7BFE4E11AF"
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+      "extended_unsigned_section_mic_hmac_key": "D1B0DDDDDE0BB2AE12F92D4852AE10D996B60CE36B5556786BBF83CF292CE6EA",
+      "key_seed": "CE1E9E86659BA08898845C680AF17F9DAD00B9E2635D111CF5343696C4166A13",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1EB5",
-      "expanded_salt": "F0348D22444ED57955A7390BF5FA8DBB"
+      "adv_salt": "14F6",
+      "expanded_salt": "143630904EB2670F18FB33759BAC116E"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "1C013F1D4E075AB3681EE585389041C6"
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-      "derived_salt_first_section_no_de": "DE9A1955A38CBD24A20BF924D3EB7860",
-      "derived_salt_first_section_first_de": "BB009288D746316514AC3E7D4A36C5C6",
-      "derived_salt_first_section_third_de": "29C779D92840EEB0FF2D8B24B713DBB9"
+      "expanded_key": "B5208CA95620B487A6E4A26D1C0CC6E0",
+      "legacy_metadata_key": "9475FD66763260D56B04A5897D94"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "6BE220246072A78CAF2F065823A01797",
+      "derived_salt_first_section_no_de": "BC2EAC0A37B7E682CE0A4A15A2995B3D",
+      "derived_salt_first_section_third_de": "69868D2B85AD7A780E438B783251E2CE",
+      "section_salt": "3918771068B5EFB6E8FF93940872680B"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "73165B4A90D4C686C97C1929",
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-      "extended_signed_section_aes_key": "49A6F34534F4FEB8240F69C7CA85FB7D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "337AE5B6904DC53851E9B972B6A36016"
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-      "derived_salt_first_section_first_de": "EFCDDB85E83AC8EEA0AC091722B880C2",
-      "derived_salt_first_section_third_de": "03031F5EAFDA999C89FADB9E9162E3AE"
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+      "legacy_metadata_key": "FB2CC7E8745FEFBE645159E116B4"
     }
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   {
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-      "extended_signed_section_aes_key": "A66E28C44CE94D797E95AB89306D7CD3"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "102E20A45B07D9E8EA52EFB491289C5F"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "1EE13F7C68A135A8D1AF62FFE56FE556",
-      "derived_salt_first_section_third_de": "B2502F35CA193DC495F334BACE145C56"
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+      "legacy_metadata_key": "6127D5C2E899F7D26F2F3805B750"
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   },
   {
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+      "derived_salt_first_section_no_de": "E2128DF62AA4D6146D2BCD196D7A4C87",
+      "derived_salt_first_section_third_de": "05CFAC71DA0C38998F601A969FABBBC3",
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-      "extended_signed_section_aes_key": "E7398239F6A5AC516AECE6B0B05683EC"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B966",
-      "expanded_salt": "332E3EF4D97653DB4FF18424E430A511"
+      "adv_salt": "B1FB",
+      "expanded_salt": "59DF07FA10A8C99060330759CC207748"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "D2EF164CD36B0B3CD8C5CB656694219D",
-      "derived_salt_first_section_third_de": "8ADC40BF46010E7C36DB63CDDE6CA23C"
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+      "legacy_metadata_key": "1DE6A21609A754AEDCDAD6014DB7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CC26AD376EAFE0C861851E46EDDB2D6A",
+      "derived_salt_first_section_third_de": "3ACF2A447DC016ED9711AFB347DE5211",
+      "section_salt": "45B9D7CD6417F5CA5746C6FE32107D26"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F713ABCA0EAE5DEDC6C618DB8E2398B8"
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+      "extended_unsigned_section_aes_key": "80CB8D997B1948F3DD8B9C9516F79D54",
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+      "key_seed": "C76BCA0326BB38D4E5A3B10D1D718589B9AC818B23EBDFF1A101E4AD6D8D5D1C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8104",
-      "expanded_salt": "53770EBA127367CA6ED44C41177E3EC5"
+      "adv_salt": "95AA",
+      "expanded_salt": "AAEE500F5643CD02181FDC32C6B862C3"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E2C52B0A9FAD3CB559D80F0AAE8D",
-      "expanded_key": "4E4928AEDCFFD253557B4BAF65AB9F21"
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-      "derived_salt_first_section_no_de": "FBC2D9CFD07CD504C0F3DD18599A491E",
-      "derived_salt_first_section_first_de": "7B346BE6ECFC10B1B8257181C17D4A8A",
-      "derived_salt_first_section_third_de": "5B7B6F5FBC840E321E33224CBD78C242"
+      "expanded_key": "E3C76C21F282ABB1005687F31FBC2545",
+      "legacy_metadata_key": "EE7A183B57C9F4E217B6DE5BD8B6"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A1775AFB5704802B1FFB3B18D29C7195",
+      "derived_salt_first_section_third_de": "94A831FDB169737016B766C1B2896D13",
+      "section_salt": "A6F4E540D1164317F08265E20D96257A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "048FEEE69CA2128971D0870F",
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-      "extended_unsigned_section_aes_key": "1B52A779A0B7DDD3AA1C4457DBB643F6",
-      "extended_unsigned_section_mic_hmac_key": "2762DA1C5ACF4014314ED57E500BBBDA46AA35353806CCDCB657C7B633AC7D5A",
-      "extended_signed_metadata_key_hmac_key": "85F2EFA218AABDD7D145F16483D9DA64CC886A0D2DED10AAB2E8E3024E4FE9AA",
-      "extended_signed_section_aes_key": "E035A99C28156F51D2D83AE97291D3D2"
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+      "extended_signed_metadata_key_hmac_key": "0716F3FB6E93EAA408C708A2719BEF049893BCB988491C001B304F4F6AF570AA",
+      "extended_signed_section_aes_key": "F3753C2B1F5F653B2DCAD896C9F22BAF",
+      "extended_unsigned_metadata_key_hmac_key": "D99A9452E3179A8C1FEE4957479C0858F6C4D3B1F33500AEB46610CAD449E0E1",
+      "extended_unsigned_section_aes_key": "EC569526CA2868D8018958C6BDE0E40C",
+      "extended_unsigned_section_mic_hmac_key": "484A0155520560B24880DA7CCE5FDA59249F3B3B4CD48DB10B1FAE409E820A6C",
+      "key_seed": "2E9E88A8917662CE457BEDDB6816FE615B0D240049E7A5CB384D1E7BD2090B50",
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+      "legacy_metadata_key_hmac_key": "0C2EBA0D6BAE66E17DDA51FEE4A578B4323B870B13E0A6ED4653537EF707285D"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0B02",
-      "expanded_salt": "AE7DCCAFC2A39A6E628C780CD235203C"
+      "adv_salt": "94DF",
+      "expanded_salt": "0866204A09EE44BC3A6D35C7CD8E3922"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A4CF1C8491DD2FAAA6FBD833780E",
-      "expanded_key": "242317925459D620A5784119618BB600"
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-      "derived_salt_no_section_no_de": "0D2C889B4CDE47025A5852FC571CE84F",
-      "derived_salt_first_section_no_de": "8F02C1C0EA08E35577F2B7AC2E0CC57B",
-      "derived_salt_first_section_first_de": "D6BA1F98A6B9EA9F2EE8E93DFA9016B6",
-      "derived_salt_first_section_third_de": "CCF5A3059EC52016DB49555E8AEA4B9D"
+      "expanded_key": "1127038A68E62320EDFAA505936F5059",
+      "legacy_metadata_key": "578E689A12AFFB9B71585507F7C5"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3ED9F563FF815BDBA727C28682E300A3",
+      "derived_salt_first_section_no_de": "C74ACE6A90833CC4C098A2071D2CC645",
+      "derived_salt_first_section_third_de": "F1F65FDC12E03AA07881DFEFAA7387C8",
+      "section_salt": "67FBD147AC31F6DDF9FE6A41273C2CA7"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "161D1E451AB6C847ABD26174CD055A2A"
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+      "key_seed": "790EB3191EB4D141EC5C60F0AFF4603530D1299CEB4DF327C4ECFD55C566670D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D967",
-      "expanded_salt": "B348AF87E679CBDB64F215A130B3E284"
+      "adv_salt": "5800",
+      "expanded_salt": "F52F78645D6D6F463B480E154A78B1B3"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "0746CCEF8B04ACD520F4A57432A10715",
-      "derived_salt_first_section_third_de": "139B1795C4A2A30F5FEDD981F6D2ADAA"
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+      "legacy_metadata_key": "D9E4617296842BD9CCA3F07A09C9"
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   },
   {
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+      "derived_salt_first_section_no_de": "DFD79E2C87AB8A338F8B00824F248141",
+      "derived_salt_first_section_third_de": "8155BD4E6724437106924520FA01FAF3",
+      "section_salt": "9D8303727BE114D13BDBAAD50423E610"
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-      "extended_signed_section_aes_key": "FBFBCEF148244339726145D84E419ACB"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0680",
-      "expanded_salt": "904ADDAB9E111CDC2210481D9D824311"
+      "adv_salt": "B8B5",
+      "expanded_salt": "AA64B0635B0F48634B72607E070FBEAD"
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-      "derived_salt_first_section_first_de": "717B0A32F81D769C58E5883CC2686365",
-      "derived_salt_first_section_third_de": "C689563BD25894038FA4779362C690A1"
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+      "legacy_metadata_key": "10A6FFC911BC8411ECDDE18FA2A6"
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   },
   {
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+      "derived_salt_first_section_no_de": "A74CAF52D1237C10EA7B51FBC72F5749",
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-      "extended_signed_section_aes_key": "A907DBFDBDF9C080D3CF88819CB4C1D2"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9FFC",
-      "expanded_salt": "DF1F1817A52C71E49B8CAFB99789C16B"
+      "adv_salt": "E0FD",
+      "expanded_salt": "A54BA4C6C75898DD458FDD8ADCAF028B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B1376267CDF4CF22CFB6A7E575DBA277",
-      "derived_salt_first_section_first_de": "B2D012A7C8ACF0C4C102667D90269A6A",
-      "derived_salt_first_section_third_de": "33E9E3F3D9AB0820B8468B28F1689A71"
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+      "legacy_metadata_key": "EB1064D5CF7013E4D786CA56D70C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1CCD34CBCD4C66EBF735728BB80A1042",
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+      "section_salt": "03B3ED798C4D713295F2751D0FB952A7"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3811EE02708E6DAB71F8AF0F78F23B2B"
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+      "extended_unsigned_section_mic_hmac_key": "F8661ABD8C7B930C215149A72634C13C478CB759546B03C516BFE40F46586148",
+      "key_seed": "1AC4AB9E5599DAD25DD7DF72DCAE06A5BBB1FDF94F478C9C591151D59D4C85BF",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "230A",
-      "expanded_salt": "5F9723D6502F4AACBA20202EBF9997F5"
+      "adv_salt": "6E1C",
+      "expanded_salt": "B1CDEB7AA4E65F2597157BBE4ADE684F"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "ACE514EA7B3F5069B5EEE69170E0A1C0"
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-      "derived_salt_first_section_no_de": "E9E696B924253ED57506FC6FD5C36DB5",
-      "derived_salt_first_section_first_de": "2A445788BFCC61A317A51061DFB4D218",
-      "derived_salt_first_section_third_de": "E7DABEA47F4ED848ECA46CC558933ABA"
+      "expanded_key": "0475B5E054B84D83464F75D99B4D0F4C",
+      "legacy_metadata_key": "E3F3F3A4A27929078BC52BC6A9E9"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DAD4BB9B339D6F975653E28D24A3616E",
+      "derived_salt_first_section_third_de": "9F5CA32E764E31AF2C40D50EEF99DC36",
+      "section_salt": "7AC57B619FA34030DFC6B002AD359C7A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "478F40A61D2412B4987450AB",
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-      "extended_unsigned_section_mic_hmac_key": "2CBDC0D5A246F90BF36E4A3A7ADE5B9BC0F8C17A7A4584E27433139126BF332F",
-      "extended_signed_metadata_key_hmac_key": "94AB6433C712D50DF59DD7E0BFDD85AC25A1A072C1E61558FEAA6A6A4F6747CC",
-      "extended_signed_section_aes_key": "31D56F5F0B463080642EBC03B2A81052"
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+      "extended_signed_metadata_key_hmac_key": "34C55C42EBFEE9185327BB711A099427552C0D23CEDCEDDA7429F7B46BDE1868",
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+      "extended_unsigned_section_aes_key": "37EAABD6A5744FCA33E0E57642740BD5",
+      "extended_unsigned_section_mic_hmac_key": "DEB226C8C5041B055163C216B014245DA58186D3E0C06AA679807D0A96DECCF4",
+      "key_seed": "7BAC6A8F1B444EF3AD3F978AF7645F980799BD03C69B32729AB110AED1D1F01E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0769",
-      "expanded_salt": "7CBCF237149F1872BD73CA47CD1E6AA3"
+      "adv_salt": "5353",
+      "expanded_salt": "7A0FDBD958A74617899C7D10F26F2CAE"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EBD73A54397244CC70997EA8F7B9",
-      "expanded_key": "D34912925358C2C077D8DD99050ACCAD"
-    },
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-      "derived_salt_no_section_no_de": "E36EA276140BD4F9877F66D39FBB515B",
-      "derived_salt_first_section_no_de": "D37A68F595626238D97DBB0482865C19",
-      "derived_salt_first_section_first_de": "46DC61D1DDD68AD1ED4D05E4ED12973A",
-      "derived_salt_first_section_third_de": "65019DB1C1E38C7CC6B4DD92C980C1CB"
+      "expanded_key": "030629409F6F2AD329C7F19537365087",
+      "legacy_metadata_key": "ED51A7FD40D3AFA19FB31DFEB6C9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "64F6A88CED71588D485A7DCB5C391622",
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-      "extended_signed_section_aes_key": "1D1B3DA03C82334D9B4B70990B0DFFC2"
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-      "derived_salt_first_section_third_de": "F060883BAEA1CEB74E48997E0BC590A7"
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+      "legacy_metadata_key": "F140C6B798D26851357AAC85C655"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4D40344E991AD978467D86EA8A1E85C1"
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-      "derived_salt_first_section_third_de": "67F9E4CA73D12D188F1EAE64C7A8A866"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2AF688F3E8A51CECCA063891751A5FE9"
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-      "derived_salt_first_section_third_de": "CC90805B2C3AF0FDFC2464AE36F0770A"
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+      "legacy_metadata_key": "46095DD9FF30EB0FB1B08EBA693F"
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   },
   {
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+      "derived_salt_first_section_no_de": "C406806416BBDD972968DB5601C8A8A0",
+      "derived_salt_first_section_third_de": "596C3BD0D3E233A71393BDADE17529CE",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "274FB2618DCF7EB791FAE4656741E232"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F00DE99E54DC039D53B8539AF694313E"
+      "adv_salt": "BC63",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5B05D30F4B7E0461A03CFF21B7DEDB0A",
-      "derived_salt_first_section_first_de": "8235A392D4F3AFA39AD2564BEC21F4E0",
-      "derived_salt_first_section_third_de": "1FBA2CFF3E3D5CE542FA8E8ED6213FC5"
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+      "legacy_metadata_key": "D0820AF93A57243719BA2D8BE758"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "029E45FA100B9FB7E76437D3919E4D31",
+      "derived_salt_first_section_third_de": "721DDD65F13A14945A1C3E4F4DD3122E",
+      "section_salt": "DE2AF05C2D3C21B9087E572373C7C803"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5D05A4B8CAB654F6CD3FA8CC0B645975"
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+      "extended_unsigned_section_aes_key": "B483F5082A7FB42A7A61E95605293D2C",
+      "extended_unsigned_section_mic_hmac_key": "C0343BB844C11D0933EA5D1D76888ACFDD3ACBF0934EA79DB365AF57B325B382",
+      "key_seed": "4E31C316A45CA922CC016B7BE09B771D7160105428825C83DA54B255BD2DA4C6",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8222",
-      "expanded_salt": "A4A9497D54ED3D5FBC53DBF50666DC3B"
+      "adv_salt": "B2C7",
+      "expanded_salt": "3E8816A4B2F22AECD08CAFFC5CA994FD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "80D2E9EC95053757064303574762",
-      "expanded_key": "F224F38B135D811E8E8FC45B4385B7CD"
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-      "derived_salt_first_section_no_de": "CB8FD7B747CF9751081FE6448970BF77",
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-      "derived_salt_first_section_third_de": "B4F2A625F70DD6828F6FDB6718D0E5F4"
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+      "legacy_metadata_key": "3CCF3136371F6999FDB96407CE1A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2EE1F8CEC0F42BF24F0A56B45E2B02D9",
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+      "section_salt": "3F2C188470C987CF4B79776099316A03"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A3BC95FE43C3E136A4555847A16071A5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A2AA7DC53E3D3D1AF558C0C933C2D311"
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+      "legacy_metadata_key": "E7EF10F71F983222C7462D310C4B"
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   },
   {
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+      "derived_salt_first_section_no_de": "B117BA6A93ECD2FB529B9F2EA294D482",
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+      "section_salt": "67E6F81D70A48A50DA52333B7F47DEBD"
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-      "extended_signed_section_aes_key": "03DB83B19A0F123A203215073566F8F9"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6C4E6F26E635F54B7BF5BF989FD3DC0E"
+      "adv_salt": "E035",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "16495970681AB0962D043963BFD90951"
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+      "legacy_metadata_key": "3C598FBC8DC24DE4B2B971969771"
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   {
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-      "extended_signed_section_aes_key": "A0B48FAC12DD5BFE0EC35353BEF75C92"
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+      "key_seed": "E3639935D94A2B594E67593098B5A9B62DE07A32C2EE853F8ED9E3ADC4C36CE1",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4789",
-      "expanded_salt": "9A473A00055798F8FCDD3776F5B3322A"
+      "adv_salt": "A4D3",
+      "expanded_salt": "083BE06DDFD2D1BCB673191ACF1E4372"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DD03A187191C9B63ED80CF36D797DE8E",
-      "derived_salt_first_section_first_de": "C4BDEEFFF94CC97EBAE230EED3FB852B",
-      "derived_salt_first_section_third_de": "2731B187BDACBFD00F5B660B631359D9"
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+      "legacy_metadata_key": "BC6712F8B4702BED5925AE5A184D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0B49C086CCA31D0D131FC63E028ADC27",
+      "derived_salt_first_section_third_de": "E178DA7C3D8A77F4041DEC51BB081C1C",
+      "section_salt": "FF216725DFF4480502DA2DB2F38E1C7F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D2FDAE37319DE9B0D21E9F53",
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-      "extended_signed_section_aes_key": "DE96E02AFC38703C33F9C65EA52157C9"
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+      "extended_unsigned_section_aes_key": "89BCE81921099360D1AECE7418BDBB08",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0FFF",
-      "expanded_salt": "B437C5594CF1C4A9A9B24A3CE72CB6D5"
+      "adv_salt": "46A4",
+      "expanded_salt": "85A0F97101BC211EA011DFAA861177D3"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "54FD50030B8B34E18808F3216B4178E7"
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-      "derived_salt_first_section_no_de": "1D0E1D3DEEB42E862B463BD29DD0F334",
-      "derived_salt_first_section_first_de": "9FCF5C57B225B28D1AC24EC9FD10477D",
-      "derived_salt_first_section_third_de": "F1570313B6903FCC47C9BE61A70F3A9A"
+      "expanded_key": "2DE3157035EEDABEC0DD7DB1829BCE1D",
+      "legacy_metadata_key": "61088ED1D04D52E47A5FCB2C7DED"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9F45E57B88571CA63B6F91DA04AD1BB6",
+      "derived_salt_first_section_third_de": "0AACBC913799FFD9FC13467134368C32",
+      "section_salt": "552B8CED5CB178CA09C3829A68F78E8F"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0B6D1A628E97AC123CF4AA8B",
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-      "extended_signed_metadata_key_hmac_key": "CDBD57D97115BA34FF05BB887B2ECF70CF2B77DF15869A752398FB141B6EE20C",
-      "extended_signed_section_aes_key": "65D3436BE88C96C3B72FF756A0108B5D"
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+      "extended_signed_section_aes_key": "D651642CB98DBB39C54DCC20ED65E3A5",
+      "extended_unsigned_metadata_key_hmac_key": "C656F9441363A74FA8B205EB17F450F2A4FA5CA7DD57F0E379804C4EB3C9F454",
+      "extended_unsigned_section_aes_key": "DB6F181852726D12E86CB6F385F051B9",
+      "extended_unsigned_section_mic_hmac_key": "E1984849272B19109C4E8B88F16CA5671F731B323919E794826A33A17818670F",
+      "key_seed": "480A1868FA42F8D0535651DDC634D3CF24EC24E0A071091062D91DD6B1D5A3AF",
+      "legacy_ldt_key": "D81A9C598CFE5D29B3D32DB3D68F99BDB2F6D66D0367CE646959DD1778F2B122A9E0D636FBEB9D4A1EA4F76CEF5F7BFA49E93902114EE9F80C6573A8BB407162",
+      "legacy_metadata_iv": "EEE3102041B0C99BC03FF528",
+      "legacy_metadata_key_hmac_key": "582FE6E39E1953DAEAAA4ACCAC218973C3D1E96E2EDE6BE09979AEAEBAC11DCF"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "32A5",
-      "expanded_salt": "629AD9754077CCD565F1A03503B631A0"
+      "adv_salt": "AA0C",
+      "expanded_salt": "759CF2DB4D5945CA00816A84904C27AE"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D5834207F4CC651F2B32FC6C28AD8BFB",
-      "derived_salt_first_section_first_de": "77B91DA2F4324660EBA8D496DD99163A",
-      "derived_salt_first_section_third_de": "558B9A5443FE0FA4EE35799B1E3FF93A"
+      "expanded_key": "D8918158CAD1CF1DE5153138C38DC354",
+      "legacy_metadata_key": "E57E61D016EAA795BBF8E8F22AE2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "AFFFFB02FCF6D0B4FE2D66FE96383BEC",
+      "derived_salt_first_section_third_de": "A1BB9F2C486BD87F15E0E3FD0294A62E",
+      "section_salt": "DFA956004F3FFD45E1ACFB23487D344C"
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-      "extended_signed_section_aes_key": "A20D7613BDD8A959EC57565BAA5CDB99"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "762B",
-      "expanded_salt": "CC961B1C069E1E9C3A20313E13955AE8"
+      "adv_salt": "C821",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "80B5DF8DF07FC65219389727BC42017D",
-      "derived_salt_first_section_third_de": "17BAC32E68B782E89CC7EE24DCDA4908"
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+      "legacy_metadata_key": "DF1B3EA5AA25E6FD6E0B2322AAE1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0747C4FBC174874AAF4C8DD535BE5ED2",
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+      "section_salt": "8739BC1E484D96B028E798542FF20DA1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6836392BE907A886887430FD9E4415EA"
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+      "extended_unsigned_section_aes_key": "A0A58FD7F17E0511D13A0F8B4F5067CA",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F9B5",
-      "expanded_salt": "90F7C9955B21B5CEBE423DC10A663034"
+      "adv_salt": "71A4",
+      "expanded_salt": "ECFE4C794BB4BC8CD4394DA7A1517516"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6C46F10BF3FB6F4C1C42BED2BEFE6FDC",
-      "derived_salt_first_section_first_de": "1D3AF4C457F1C9621F8B4870496054C0",
-      "derived_salt_first_section_third_de": "02A05E3E65D3BD02A2AB66D4C960A672"
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+      "legacy_metadata_key": "5934F811E179917E9C7E65DAC88A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "AB82CC7FC49009DAE381E6D1A46F01A0",
+      "derived_salt_first_section_third_de": "F374BFBF121FEFCA07608D1558C27ACF",
+      "section_salt": "C1F3B7D46C6175228E7DFC5A36B6F7EA"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4B061F8367F79EA2D3715E75",
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-      "extended_signed_section_aes_key": "6D74F43C21C3059A773D5DB447E7FAFC"
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+      "extended_signed_section_aes_key": "06C04C63A036CF2AD3AE5F64B5966B87",
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+      "extended_unsigned_section_aes_key": "875E1CE87BB797537D728CC128BAC178",
+      "extended_unsigned_section_mic_hmac_key": "B0D22F38A36F7C83466BC40685AC91BB83472E75A109F0ADB4A6D81D374DE91B",
+      "key_seed": "5FE745AB15621028535C525E3F0BE8D8B6CEE35E6EBC3AAA02816F82A17D9AA2",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DB69",
-      "expanded_salt": "4C71F081CDF80F650252CC69BF97F2BD"
+      "adv_salt": "04CA",
+      "expanded_salt": "BC2A3C6EFB0995FE5900FC5D7EC629E3"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "1093D14E5CF2EFE98A11BC5E08E08628"
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-      "derived_salt_first_section_no_de": "59CD1FD8028E26FF257B9F86422BFE54",
-      "derived_salt_first_section_first_de": "CE161380CA4EF490F91927766FFA4FBB",
-      "derived_salt_first_section_third_de": "D70D282D2C065F4B4634EB8AE60BF42C"
+      "expanded_key": "1C72E97FBC0A631E3CE719C02624BAD3",
+      "legacy_metadata_key": "5DAD9961615296744515CA3AC25E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "21E458D59A934545E2869929E7B8FC01",
+      "derived_salt_first_section_third_de": "6460120090A92231B99B399D0D9D7147",
+      "section_salt": "1F5D0C6A6247D7255DA5403036AFB314"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0248498909DE8F711054C1CD",
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-      "extended_unsigned_section_aes_key": "8C34B916CCCD3A533F7B8086B41C5FA1",
-      "extended_unsigned_section_mic_hmac_key": "F968CD84E0A6B943301B9E1C1E6A2A707D745B9F09D19D5E01266F6754852FDF",
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-      "extended_signed_section_aes_key": "1287C0C2D60FAA6514B9ED7A8C5BE20B"
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+      "extended_signed_section_aes_key": "B3B2D481D7655260ACB36D244771DD57",
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+      "extended_unsigned_section_aes_key": "12C07CBE0F14C31F1C9E68F65C58CDE7",
+      "extended_unsigned_section_mic_hmac_key": "5BDA314581332BE01E3588FB819D116E399D40BAF1475B9DEED6566D352D55BE",
+      "key_seed": "5E18FAEE88EB7DDDC9103E4C22F2F0719C605579E2D22E11AB4327818CD67B14",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F69D",
-      "expanded_salt": "CD182E04718CF6CD4099502F6506F2BF"
+      "adv_salt": "A308",
+      "expanded_salt": "3721D43BC54B195D197F2F60A07BE5E5"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "87FA1E639BA80CE41EF62D79B311",
-      "expanded_key": "620D984F60864EF3D5C8BF38E050A395"
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-      "derived_salt_no_section_no_de": "8B0202F7A67E66AC2304A4D8F00C1A6E",
-      "derived_salt_first_section_no_de": "FBCC72511C7332DFC6FE86D084B412F4",
-      "derived_salt_first_section_first_de": "6AABF946F047A5E33FAAF52ED2906DE3",
-      "derived_salt_first_section_third_de": "1B4F679BDECC096150A717F7F9AD54E3"
+      "expanded_key": "D2F1537D016924407E196E9BBDF6CAD4",
+      "legacy_metadata_key": "2D7D7986AF6C1FB2DBB04CB8D25C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "400FBE8E7005BD597751A15EDA3256C3",
+      "derived_salt_first_section_no_de": "8AF3AF1BFBE9960815C368F7C9133A53",
+      "derived_salt_first_section_third_de": "9B208AB74C5ECE1FBEE13750F42A5B2A",
+      "section_salt": "5716CD7B75CE5512EC19A6435B724EAD"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "617AD1C742617AB633D7C0201B0FD70E2C339D8A4F9A3FD21B8CA31D4882056F840650D1D3FBA89BD25979854352AE16C04AFD7BA457B47F890877281F7A0EF0",
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-      "legacy_metadata_iv": "3E2025DA3C8795B8A0FABEA5",
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-      "extended_unsigned_metadata_key_hmac_key": "7ADAB0939E3D5650F9AFC1ADA666F50BF8298400BC854B15D307C3AABEB7D7B7",
-      "extended_unsigned_section_aes_key": "06CE5D3A99D95BBFFB1238A6289935BC",
-      "extended_unsigned_section_mic_hmac_key": "74A3352272CDDAFDB3909D9D2ECDBA1C0BAD4B9B10309CFFE5C6E2D7E74BF752",
-      "extended_signed_metadata_key_hmac_key": "E54530B6DD932D40D23428D37CD6F9EFC3325AFD120857A92A98168405D968D7",
-      "extended_signed_section_aes_key": "0717E51047F3DEDF1084110EBB75C0D3"
+      "extended_metadata_iv": "B23E95078E45F1ABEFAC0B93",
+      "extended_signed_metadata_key_hmac_key": "531AAF6C8719FADC38DC9CED3AD9B6D45B8F7330C2770568B1010BCB3E3C972B",
+      "extended_signed_section_aes_key": "34254000EAEBF7E3741C14F84F5A1D27",
+      "extended_unsigned_metadata_key_hmac_key": "74CCFEE8CECB8024C2D2BD7E2D6E85323C9B2A014021F8D42D393643FB6CB6DF",
+      "extended_unsigned_section_aes_key": "9B830223F58D28A9714662B144D744D5",
+      "extended_unsigned_section_mic_hmac_key": "FA8C57DB246545354F62CC16CE317E41EACF174780E74C4D4F99C2B107340CE4",
+      "key_seed": "C310666088C20C45913E79E5DB67A627A01B446A45B6BB4219188406BF1059F6",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E7BF8E3BC469D55CE16E04A042A37A96"
+      "adv_salt": "A704",
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-      "derived_salt_first_section_no_de": "F19E74354C69557394C4993CC1B2D127",
-      "derived_salt_first_section_first_de": "A561A160DCC168ACF59B577BF482BF93",
-      "derived_salt_first_section_third_de": "A8A24D8E33174E134FF65666A4E9B6CB"
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+      "legacy_metadata_key": "0C5B70528510A084072060171126"
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   {
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+      "derived_salt_first_section_no_de": "9522B99A013DE53291F2B83D00D5C13B",
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+      "section_salt": "9EA8D750BE7187E60A9472A71CFCF2FC"
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-      "extended_signed_section_aes_key": "6F9B45B1C931F4011D6A05306B5B59B6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "52B48BFF05E11D40735B99BB2251224B"
+      "adv_salt": "8ED0",
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-      "derived_salt_first_section_third_de": "18E951AF2186C955CCEC99CF1B6B2AB7"
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+      "legacy_metadata_key": "FE2DC76A7B4A89492CF0A1789CD7"
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   {
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+      "derived_salt_first_section_no_de": "2C5818E4AB23A6258A7CD4C403535A20",
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-      "extended_signed_section_aes_key": "2B91C117103FFFB062C54126EF47D681"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D8178C0C64743AD788B3ACB74EA8E95A"
+      "adv_salt": "69E1",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "BAAD1263D25C5DA392CDCCDE83A858D3",
-      "derived_salt_first_section_third_de": "6301DEE4DD410F443AB85BDE9393794F"
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+      "legacy_metadata_key": "342A82B91139D025414D38621281"
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   },
   {
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+      "derived_salt_first_section_no_de": "51FCCD1551EFB07AF2575125B3B17831",
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+      "section_salt": "AD79666B24283450F1BD39C90283F1CE"
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-      "extended_signed_section_aes_key": "917515AB140F56AAFFD457B542C61752"
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+      "key_seed": "E733656C4E4F93972CC7A30D79BA02987DCDFA3392081AFFE5036B255B8D4E15",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EFE7",
-      "expanded_salt": "F583593B97B7997430F9EAAFBEEECABD"
+      "adv_salt": "E641",
+      "expanded_salt": "A691169560202F646E37E76495E3A69B"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "870016F05F765FADE67E62F8CD58E66F",
-      "derived_salt_first_section_first_de": "69235D0DC921EC94FBB07AC8A93A2196",
-      "derived_salt_first_section_third_de": "A5E83A1E45FA2C5B3453FC25FF562AB1"
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+      "legacy_metadata_key": "156C7AEF3FA8BC7CC8DFF2C10819"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "49A5E9E63CF06BB4C11C04DD7185E119",
+      "derived_salt_first_section_third_de": "6FAC748B23D8765A15AB2FB86A076165",
+      "section_salt": "B2D65614C34CC7EDB5FF37998620E0E1"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6E3F68002ED7F4D425F145D5D8796839"
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+      "extended_unsigned_section_mic_hmac_key": "1C842BF2C69E34D07173330373AF7266D85C34199879AA7F195D812EC6E6254F",
+      "key_seed": "B40172FBDC2A862FEF630A44E571A0B777C69174A360170E837BED2A0AE7DB98",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F04A",
-      "expanded_salt": "AC17804C450EE0D6EFC1E87C9DBD09C1"
+      "adv_salt": "336E",
+      "expanded_salt": "F87826E66CEE8174BB563D6E7E5F9483"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C2088AB13ED35E237029F06150C3",
-      "expanded_key": "38BA76BE0322BF8C91B312B8118C77BE"
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-      "derived_salt_first_section_no_de": "892F4D980DF2392E19A92DAC61C6F654",
-      "derived_salt_first_section_first_de": "94515CF8F78378A3A79585735E123277",
-      "derived_salt_first_section_third_de": "C7F5C563B86B2908332AAE37250C1CE1"
+      "expanded_key": "6630154447F75E220EBF952D86545694",
+      "legacy_metadata_key": "48AC01C563D5E9B4714B52BA8933"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "9B6BEDA404607BD174387367CCEF984A",
+      "derived_salt_first_section_no_de": "2239CA87D12D4A48010A8617E271C8DA",
+      "derived_salt_first_section_third_de": "187C848FF49C9AD5E1E1993FC6AC8F62",
+      "section_salt": "506865CD48ED5CAD660C316F8AD59924"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "60C18E8AF9B1F2E6351E7F17",
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-      "extended_unsigned_section_aes_key": "0E1DEF3650CB6E855C258773F8ACA903",
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-      "extended_signed_section_aes_key": "D578EBCDECAF8EBD50700BA927F3FD7A"
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+      "extended_signed_section_aes_key": "6E8F72693594F6AF4AE4A32A9523328A",
+      "extended_unsigned_metadata_key_hmac_key": "5483EBEDFC5058A5A84614C42E39905590FA10CA551C8052396B65E400465F7A",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EF95B268C43A52D9E64F6652CB98A5FC"
+      "adv_salt": "BB7A",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "AA3027994C940F381B5E0785D3FB8AAE",
-      "derived_salt_first_section_first_de": "7FFE488DE1FEECD7AE74CFC98473291D",
-      "derived_salt_first_section_third_de": "8C5BDCB7F50F47D6068D0881D4D0F99E"
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+      "legacy_metadata_key": "6BE2D0C370C5EC0C4415924CDE4A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "08A089DC947EA07CADBD44E441E33A59",
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-      "extended_signed_section_aes_key": "02F532346B036AF0CCAB0D9DF19780E8"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A474B2071672FAEC48736906CFF85BCC"
+      "adv_salt": "580B",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "1DFA87B0864BAD50E665E8D688C9247D",
-      "derived_salt_first_section_third_de": "3752582AC9BFF36E520E8A8D0B46FA43"
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+      "legacy_metadata_key": "EA3157EB18666E95E8B073BC1F72"
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   },
   {
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+      "derived_salt_first_section_no_de": "05784CE974FFB599201A573223CF2209",
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+      "section_salt": "DF4B6FE1D9E4775DC6D806E832EC1F76"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2494B970BCC2CE2B04338B8949EDDF03"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CF496EEF43F1AFE2F6D0E3640EFB31D9"
+      "adv_salt": "204F",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "4E9C95900EAE661E411963422E0AA280",
-      "derived_salt_first_section_first_de": "3DCD2DDF9CDDF316F2837924AE2FEED9",
-      "derived_salt_first_section_third_de": "A696E9E16F4591DD513EA3824C89E5F4"
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+      "legacy_metadata_key": "E8AA4257D855B73540F168C70F02"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6AD116679D9823AEA7ED29C6B7283320",
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+      "section_salt": "622129721D3A385C35B5D2803FE4C03C"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "063E1B68715F1FF159D4237DDBDB8481"
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+      "key_seed": "963410D8AF4BF47563C4B4B313D9D92EBD9154620D9B63D3F7BBC478DB25DB3F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D5C0",
-      "expanded_salt": "D144782BA6BA7645ED2C3B1BD68E9D02"
+      "adv_salt": "6BB7",
+      "expanded_salt": "A7BC207C9090EACF1333249ED8B04493"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C50EEBE1B5FAF4896478AB1C3E749439",
-      "derived_salt_first_section_first_de": "71B8561BD82D961D65BBFEBAA3F8B31C",
-      "derived_salt_first_section_third_de": "42498BF9410BD7240398B3562EBDA7A8"
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+      "legacy_metadata_key": "770A5403F1AFFDD24A411658C6FD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9A3F724CD4FF209B69A2704A56AF74F5",
+      "derived_salt_first_section_third_de": "813F05235B050B4B2A68FAC2D087C887",
+      "section_salt": "5920EFCABD3FA4688CA42442F537FD25"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E19E17BB80DAD9A1AF458727",
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-      "extended_signed_section_aes_key": "9C7D13CC703FF90C2BC6F5D9C7DED40A"
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+      "extended_signed_section_aes_key": "51AA15E5A76E5F00D14B782D79CDE315",
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+      "extended_unsigned_section_aes_key": "BF92844A9609A253FAB044499392A213",
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+      "key_seed": "03C02BE7B689553C91E83C59690A25C9530EC737062B59B5F0373B733C6D4C18",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B381",
-      "expanded_salt": "8D18048CF52860ED1055170C6FAE8F25"
+      "adv_salt": "E089",
+      "expanded_salt": "DD21A19CEBF5B0927FB26A1FA30BFE83"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F1BE0F0F32EE41A5A55EC1D775CD",
-      "expanded_key": "012F78799611678809B4EF559F1A46F0"
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-      "derived_salt_no_section_no_de": "2F918AC9E59ED149736F1A6C1B5A4189",
-      "derived_salt_first_section_no_de": "F3901CEAFB2E3657653E853A97FAE250",
-      "derived_salt_first_section_first_de": "EBB7E0335610451F2EB72B458FB9D670",
-      "derived_salt_first_section_third_de": "67488B363D23A5BF72986720619726EA"
+      "expanded_key": "C41172916261DF445B7FAA17A97881BA",
+      "legacy_metadata_key": "22B40AFD6377FE0D0C4ADB39433D"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "80AA33546123B5BEC61288A98EFE274B",
+      "derived_salt_first_section_no_de": "D0ADD219DD8E2122F749CE5A552A50B8",
+      "derived_salt_first_section_third_de": "0CB76AD59925C8BE82ABA6241BD14C82",
+      "section_salt": "62A2651E7041A4DE8D1DB16CEC613BA3"
+    },
     "key_seed_hkdf": {
-      "key_seed": "ECF943EEF77B245834DFFD6FC0E836AC6039B0F0FFA91AAFA281CA1C8C3BA380",
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-      "legacy_metadata_iv": "75980D50E284E59B8352B1E3",
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-      "extended_unsigned_metadata_key_hmac_key": "C39CCCE92373332F2611886AB300D30491E4ECDDF1F66DAEF22A26E90059D1E4",
-      "extended_unsigned_section_aes_key": "CE0733CEB12A89A53C574E1BE382BD57",
-      "extended_unsigned_section_mic_hmac_key": "B2C966EBC46413BD46175283C53C9887790933566E77C77F1734A9790CE597C9",
-      "extended_signed_metadata_key_hmac_key": "18172A8B2E2498A38B4061A473B8E8F369B78F202CE03B66117E007D3BAE7DAD",
-      "extended_signed_section_aes_key": "563D071135EC0037DFAEEDD7F69FE54C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "9B6E60D6C32FEEB8BCCED5AA4341045E"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C551AC8414A96A371A20E1A03328858A"
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-      "derived_salt_first_section_third_de": "6F88264AD75DD004819FCD0A0952AC6A"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "056CDBAB92C95E185672C4D1814C22C9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A565E07A34E13D89613DE69A60751C99"
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   {
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-      "extended_signed_section_aes_key": "3DD8BF55B4E1199E5FE25DBBB3094855"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B4AD",
-      "expanded_salt": "EE4F71833F32DF216CEF345F4D6FC20C"
+      "adv_salt": "B800",
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "21B0E3EC63F4473AF1976BA1EF52",
-      "expanded_key": "546C44A0DBB6CD31472B2935C6C29BAD"
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-      "derived_salt_first_section_no_de": "BD5AA4967E9AAB77A127F534D7443F51",
-      "derived_salt_first_section_first_de": "3E656DD931FA13851CC245A4C8B085FB",
-      "derived_salt_first_section_third_de": "E55C43DEE60FA4A2516B3B8589643A0E"
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+      "legacy_metadata_key": "26EC1E16F863BA36160308990B54"
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   {
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+      "derived_salt_first_section_no_de": "A237F313D76B012AA713BBC3FE2E438D",
+      "derived_salt_first_section_third_de": "9CF98315D58B30BA786D7E79C3D04432",
+      "section_salt": "6F3A65AD16E2C0D804A6E589E58302DC"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "0CD4FE6C416A65AE2EB838A0",
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-      "extended_signed_section_aes_key": "3D54A79ED26BCA7CAB6C3BF41FC7C5A9"
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+      "extended_unsigned_section_aes_key": "2814D9D358710010E9E5B59D0381576B",
+      "extended_unsigned_section_mic_hmac_key": "C13BDCB9A989A425843AA703D93ED6893818D6D211D8670DD6A9AE0A5C147892",
+      "key_seed": "41778A3695D009852292EFE28632856BA51031146424C6E4531B2F3398206C6C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "505D",
-      "expanded_salt": "01CDCF0A343EBEB8875856F9CA826B31"
+      "adv_salt": "8F13",
+      "expanded_salt": "12A681622722D5757FE48A47718037D6"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "8E2202CB6D7FDF266869822521D3",
-      "expanded_key": "221328AB8BB0BB19837295747F470AFD"
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-      "derived_salt_no_section_no_de": "922EDD09C817197FD93CC0BC5FC77995",
-      "derived_salt_first_section_no_de": "258153742A4F74B00DE3C94D147306CA",
-      "derived_salt_first_section_first_de": "DB99284A5098A013FDE743D17C2EB9D5",
-      "derived_salt_first_section_third_de": "B8AD751A49CB1DDB35AFBAC4B75B7F08"
+      "expanded_key": "33955EB8DC764E6CAA317BBD744D5856",
+      "legacy_metadata_key": "68922A3A6527240EBED0CD196B9B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "C7C53111F6230A03EBF098EE9801781B",
+      "derived_salt_first_section_no_de": "434871E2A7AD5C6790F7D92A71ABF53E",
+      "derived_salt_first_section_third_de": "B42B5F206C415F916D127212F69F12E6",
+      "section_salt": "61A9684057DCF739D5DEF34977401F31"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BFE0CA7D54498CD0B6A709F1",
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-      "extended_unsigned_metadata_key_hmac_key": "0FB3628B5046185959DD24ACB1E154CFDFF50F899B442DF13A80D3CAF257B649",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B0A064ADD724D978CB68227BDD2990D8"
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-      "derived_salt_first_section_third_de": "B1A09E5ABCCEF1E5751EA9262FA0910C"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "55F571FC86826AB892BD9C9B9165AA3A"
+      "adv_salt": "21FA",
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-      "derived_salt_first_section_third_de": "756448D872F6128A494A9159A98AD324"
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+      "legacy_metadata_key": "BF196D04C00BC8C6AFEBD7B41068"
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   {
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+      "section_salt": "0DECA99AF6E70DB36DC1A5F3D63AF783"
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-      "extended_signed_section_aes_key": "EEEA462447055F44BCF083CE34FEF5B6"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F1451036B6A6960FF064541C5D955BAE"
+      "adv_salt": "E081",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "404E072656EA692C6E126A53A7960C7D"
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+      "legacy_metadata_key": "857A7A920D3ACD4A523493AA40B2"
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   },
   {
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+      "derived_salt_first_section_no_de": "E0B6431EACDB64C29657770D4A3B96C5",
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-      "extended_signed_section_aes_key": "4EC80D1C5AC13519A548795452B98697"
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+      "extended_unsigned_section_mic_hmac_key": "0023C27BE013257791443C8DEE6A33C6763D39A25F66E2CC712F9DE674F0980C",
+      "key_seed": "9519A1430A4ECF6FF805238E3E96793EA9229C1D739D850C16472534AA68B7DE",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "079E",
-      "expanded_salt": "7ADAE75DB173271CE6CE74F3304FA9C4"
+      "adv_salt": "12DF",
+      "expanded_salt": "66FE179438E479723818F743087BC850"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7EDD90897B0A62E2F56273630528D04F",
-      "derived_salt_first_section_first_de": "E064368D60FDF7BDD88FD69BD63DAB42",
-      "derived_salt_first_section_third_de": "7319A316B5A85100CD6BA28A3CAEC8C8"
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+      "legacy_metadata_key": "31C612B70B6AA5AD76D66006A065"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "FBC9753A61977B56F00E2D38D00761C5",
+      "derived_salt_first_section_third_de": "8A9764A2356A651F610A05990ACAB48C",
+      "section_salt": "6973BCE4E824E660C211007434D72116"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "746E74C66756C55F98E1ADF0",
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-      "extended_unsigned_section_mic_hmac_key": "B2D84E497B0BA3618D2465E7B226B953F6B0A4C90D35D1B5007B3422183CC094",
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-      "extended_signed_section_aes_key": "94E5B0B5F311C72186D82160642A32CF"
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+      "extended_unsigned_section_aes_key": "1FCD9F242509CC2E6922DCF986FA9ED6",
+      "extended_unsigned_section_mic_hmac_key": "F17D07588C9F1A672FC0D1D77F2A18A8519DCFDBC74A126B9ACEB26DAD336C14",
+      "key_seed": "BA25F1DD557962024576FB35D50A92291F458E98146DF645E4F191DE2971B14B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C2AF",
-      "expanded_salt": "D3DB442BDE0826B12436C2F3083223B4"
+      "adv_salt": "C194",
+      "expanded_salt": "A56219EC8C58CCD65D9F854DF364F981"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3711D3428FB45715348169D60673",
-      "expanded_key": "C9DB0325E46B2CEA95492B7416B27F50"
-    },
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-      "derived_salt_first_section_no_de": "0D58AA93DE89987A700A0A4D3342783B",
-      "derived_salt_first_section_first_de": "8114347422D4DAFF31EDB6CB790B01E2",
-      "derived_salt_first_section_third_de": "3104B9F0914724D447720EBD99154063"
+      "expanded_key": "54F9AC2E317C24F8EDBDE73C9F8CCA93",
+      "legacy_metadata_key": "3729124A524FD8135450FF4BD070"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "61BB611D107048C2E865596DB6CED67E",
+      "derived_salt_first_section_no_de": "F7D469E088E42D8C6337CD29FC4A8D0B",
+      "derived_salt_first_section_third_de": "06D87B6A0111621B7936BECFF231B12E",
+      "section_salt": "ED8FFB5E11505081A5EAAA0177E49E81"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "8CAB58E1BD49F3EC9F340866",
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-      "extended_unsigned_section_mic_hmac_key": "B663D23394D584F237C1E07D6598B3A5116B2CA38C4DD17A91D8BF1C500A8E21",
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-      "extended_signed_section_aes_key": "BFDF1836F47FFB7A1B2127933DADCA55"
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+      "extended_unsigned_metadata_key_hmac_key": "1045402ADAE8F351177EE2CEBB061E14059D694B2B9C1BB61B824C7EEE11AFAD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FE0B",
-      "expanded_salt": "45C9AC93B85BB099B56CB7B57A1F20E7"
+      "adv_salt": "BE86",
+      "expanded_salt": "AD5C81395DE0949AFB2CF8078E8D7B8F"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C82D535AC2EAE2F814F70E16904A51EE",
-      "derived_salt_first_section_first_de": "1FEBC1232843C09EB7FA227B168C30C0",
-      "derived_salt_first_section_third_de": "C4263FECC92C2C9213B5BBEB9055EF59"
+      "expanded_key": "E1FAA97C54BCD1E944F6758DDFBB4A43",
+      "legacy_metadata_key": "CBC60B625D53316D3386818E170C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "72C4913DDE124EC8E377785FD5C1A755",
+      "derived_salt_first_section_third_de": "FEB4671BBCFE7DE54CD59F0EDBBAB6AB",
+      "section_salt": "6551DF483ADE1F06183C1086C6DFF8CE"
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-      "extended_signed_section_aes_key": "95555B5B4F5F4852411122D09FA8EE6E"
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+      "key_seed": "947A1153AB336A82E0F9C67955DBD6DE66EBF56EF659D62AE5D40257F23FA4D0",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1EF6",
-      "expanded_salt": "E645CD9C2687672C3BA39F6FDCE82017"
+      "adv_salt": "B968",
+      "expanded_salt": "DE90A9067DEE0C062E981F997332FAF6"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "6C4CDF0A56F0CD0806921C77D8B39C5F",
-      "derived_salt_first_section_first_de": "18985990D3A69CED6F48B78B20F5EA38",
-      "derived_salt_first_section_third_de": "3AA0FD1D203CCD5414E35C1F1E2327DF"
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+      "legacy_metadata_key": "C54289C4EA674EDB004B8499E042"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E6F97B6B15A496F0B93A749B1B6B555A",
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+      "section_salt": "7EFD37085FE67DE9DFBBE6ADADFF1F22"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C2C2FD662A6EC4B9F4C41CCAD2DB9A9A"
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+      "extended_unsigned_section_aes_key": "CECA593157D968612E9BCCBA476EC130",
+      "extended_unsigned_section_mic_hmac_key": "E8F6CCD704EBDBB81ACDF5FE5165FCA504DA01592102DAB5DB1246C5E4EB9690",
+      "key_seed": "B9A1B3020850AEB41F586B12647DD576F9875D60D5ADE37FA1B8DE193E924B80",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F21B",
-      "expanded_salt": "8197BA034A70BC55C68E50D6C99993AC"
+      "adv_salt": "F21E",
+      "expanded_salt": "CE26D0DC511234FC3C537C173E9B7EC6"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1D005C9BE3A2A1C3AB77D582DDE3",
-      "expanded_key": "2748B82A22050D5D50156B061C68406F"
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-      "derived_salt_first_section_no_de": "CD249E63D003D65B2C1D10D9A2653745",
-      "derived_salt_first_section_first_de": "DF0CADDD1A8D2CED37B97F0A3A2AF1A2",
-      "derived_salt_first_section_third_de": "18F994C0FB5A30CB05355370E80111CE"
+      "expanded_key": "0384EC91D92C1565F3A9E925A0969CCD",
+      "legacy_metadata_key": "405DFEACAF73BFA7199B218AD244"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "61E0BA067CCD1B50410C37289C55D907",
+      "derived_salt_first_section_third_de": "0B5FEC7899C83531CB57FDD1A811E505",
+      "section_salt": "12CD2AC6ED3A9B6D8F82EE4809795EB9"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "04473260A2022EA1F4663B41",
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-      "extended_signed_section_aes_key": "C372BCF8C48C9C245238A9D93D7E9244"
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+      "extended_signed_section_aes_key": "CB503FA539D86656D34D82D2A8F5A08F",
+      "extended_unsigned_metadata_key_hmac_key": "458D913A4A46F8A3B3E50B5DEC9F80DF8B0E49CC6203915D8E6FA75D634D469F",
+      "extended_unsigned_section_aes_key": "8370558228A38303836BF916EE9C4873",
+      "extended_unsigned_section_mic_hmac_key": "1AB8E9B93B34A490AEECBCAA51C62F20FB27B99CB6409D7814A617FE8CC26FDF",
+      "key_seed": "4DD207D545BECAA82FC485F36FC3D3E6F80FEEB3182680195A58B5D7367CF600",
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+      "legacy_metadata_key_hmac_key": "AFA9671CFB5F6542812B413DD406ACFA27EC69151C4853D89380F823B82CF9E6"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5D08",
-      "expanded_salt": "4BE82EF48AE21175B2AB2403DF83D2F2"
+      "adv_salt": "D4E1",
+      "expanded_salt": "4295C6FCC2D61562AA396DC8B068FAE8"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "38FD02F1F94E68EAFD521D67FAA2",
-      "expanded_key": "1741AF1A6290856C0616E25E95571618"
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-      "derived_salt_no_section_no_de": "0581E395E8A10EACEC08DB878414FD62",
-      "derived_salt_first_section_no_de": "89CD87248E34BE8F6A5A127688FD3B64",
-      "derived_salt_first_section_first_de": "5615953B9E4079D44E4902F0ACED9B69",
-      "derived_salt_first_section_third_de": "C3A2233AB34C3F0F479988BDE8ADF4FE"
+      "expanded_key": "DA2E382AC76122F6D131415F3D8079A5",
+      "legacy_metadata_key": "AD9413153A84B28AF0B40E2A0FD7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "76BB57244D6A5ACC7D68EB275A3EA35F",
+      "derived_salt_first_section_no_de": "45E0FBE0F0242AAFEE638912B55EB1DE",
+      "derived_salt_first_section_third_de": "594548420488EC6FE84A29B4ACD9D401",
+      "section_salt": "EE25F47DABD04E3F80F7F44637D4E8C8"
+    },
     "key_seed_hkdf": {
-      "key_seed": "A77FD6354EB2F90B2A151EC6C0745A2C76999534EF96958C78D12EE155D15036",
-      "legacy_ldt_key": "A07633B83DF15F0AFF6D4648EEFE63945B87A7C15EB44E2A6C567B205CE669CFE5AC11E208DD12465A0E0F24905CB01856693A31D7F768A6A11735D5260F4BF8",
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-      "legacy_metadata_iv": "75A583F41330B81117D9E50B",
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-      "extended_unsigned_metadata_key_hmac_key": "46390AA0226627872927EFB415B7A967C98BC502E2F5B6D21B89C44A47BED8E2",
-      "extended_unsigned_section_aes_key": "98DC46BD0CDD788724B6E5C8ED5C36D5",
-      "extended_unsigned_section_mic_hmac_key": "1C9230D5862CE199268B2B459D9BDDC0334412C58B8F5F07C5EDA19E58962BA3",
-      "extended_signed_metadata_key_hmac_key": "A7823EAA19D52642DC9592C709A41EF0EAB56066D088BE354B525D3854FD5876",
-      "extended_signed_section_aes_key": "FAD9AE6702F33C79DC5B2B51601ABEE2"
+      "extended_metadata_iv": "FCD79FFAF58F542859FF836D",
+      "extended_signed_metadata_key_hmac_key": "7C8409A07D277E380AA64F52C51A50E2B1AB1F252D30DFED8659BA410093E9AF",
+      "extended_signed_section_aes_key": "764388AE951C567D3688EABD3C538EC5",
+      "extended_unsigned_metadata_key_hmac_key": "DD4527BDB3A09679A218C02EC3AD58421745E736E2EB578B833C887920565A6E",
+      "extended_unsigned_section_aes_key": "A0BDAB11B6CF1C0C501C64F1419FF3A3",
+      "extended_unsigned_section_mic_hmac_key": "98FF62C25187E62551F61262BB501B613A6B4B0BC1D6D9CFF9AA0EFD3ADB1B58",
+      "key_seed": "0841D486EA98B3C27E27DBD78C964A9396B824FFD52E050BDB02EE11092B568B",
+      "legacy_ldt_key": "95A0EB4E007030C8AFE409C3720F2E0336623C701D3894268BA415B3B88E51FC0A705D86698E94398090CBE08DEFDA288FE25C690679F9CC20A7F016A80533BE",
+      "legacy_metadata_iv": "DB6A4D73EB0426BC7AC44219",
+      "legacy_metadata_key_hmac_key": "3C522D37107514BB4F17786BB069699E04D4453CDE70C0B6D8DF2C8DF515B890"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DE24",
-      "expanded_salt": "29210697279AF51A5CCF645FC0C5253B"
+      "adv_salt": "7C7A",
+      "expanded_salt": "0E10ED93CC579C78D759EF863963BBF1"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3AB8DC4B7EB2AFBC1B9F4086E077",
-      "expanded_key": "22C31C96EB97395B3B872CCCFF125123"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "D62C6C3FA0131FB6FB61A2160689FB63",
-      "derived_salt_no_section_no_de": "2C2BF1E7DB7B8D4F2A20CF2980CB30DC",
-      "derived_salt_first_section_no_de": "DA63A9F0BAE865CE44152EE280B00C98",
-      "derived_salt_first_section_first_de": "003DE9A7CC6196E2F76FAB1FF66BB665",
-      "derived_salt_first_section_third_de": "1F7C4B001C2227BFE1A7EB65463C082B"
+      "expanded_key": "50E5D0664505A8845D257524FA329311",
+      "legacy_metadata_key": "3CE8F8911BE097EBEA0FC50F5F41"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3F24D8D025E2879CDAB33DB5507635E8",
+      "derived_salt_first_section_no_de": "23FD098C44941D91DE2CD39816C82547",
+      "derived_salt_first_section_third_de": "4FE8C44835F0FC261F60E7751B2C5AE1",
+      "section_salt": "E2DB987F196AF8D1B9C34D6705353D6D"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "70AFB9D4FBA8FAC67AE0A2D3B1BB1CCB"
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+      "key_seed": "1FFEF03858DE75578DEDDDE51C483F234E84E7F840FCF86B105D917A343B4C1F",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AF4F4703E41D65D70FBC7EEB45EBF24F"
+      "adv_salt": "1588",
+      "expanded_salt": "555EF1DA349514A0E2361476231F3C6E"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E1DE0FE9E05DD57EACF32B63C4121591",
-      "derived_salt_first_section_first_de": "CB3A9B43FDAD42982C3C43B9FB7D55C0",
-      "derived_salt_first_section_third_de": "A573F47325E78892E7905431AE640C64"
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+      "legacy_metadata_key": "DBC0AAADE8E66C9A26ED89B1F05F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C01B1AFFF36A10D9A128C420BB086E22",
+      "derived_salt_first_section_third_de": "6FE48DB6277D046C275250F1FD3EB695",
+      "section_salt": "045F563BAC41CD54C0BE25C0B7C16249"
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-      "extended_signed_section_aes_key": "F549F90F0DE0A5DFECBA4AB77FA2872D"
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+      "key_seed": "1F9998044183FC7A411DDE50C240377F0778AE046B1FFE246963F44A123CAC39",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "997B",
-      "expanded_salt": "3404778A2E1B9223BC9C9636BFDA8A93"
+      "adv_salt": "5AB5",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DCBB780D7F20D93DA59D4842A9B4842C",
-      "derived_salt_first_section_first_de": "A24F474EBB52732D3F70EF101E88B3D8",
-      "derived_salt_first_section_third_de": "98712A0C3A4FE6B05F48599CC1698678"
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+      "legacy_metadata_key": "C8B245024145C4C66FEEB60A5423"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C4A0DBF8745CE2D8B5298909524D0D2C",
+      "derived_salt_first_section_third_de": "6D932FFD7157C559F73A324FD52D2147",
+      "section_salt": "FCD96E599675A15E3D7798A5FA4E1EFD"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "049F84A697128B54405DB1ADF65FF56A"
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+      "extended_unsigned_section_mic_hmac_key": "31918C75C61CB73E97FFE92891DC1AAD17C5DDAA6C5843E4BA6B17F0A7FB8DF1",
+      "key_seed": "CC9850A146DD389C5D5461A33D7EB6697BE2301C233F1F8EA79C2F2FA8375D77",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ECFB",
-      "expanded_salt": "F02F6879B070D939BA551FC643036DE3"
+      "adv_salt": "147D",
+      "expanded_salt": "59A90EE165C62F6376D502230BF35B52"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5D41443F33E13F6A70A17DE59FE9866E",
-      "derived_salt_first_section_first_de": "113C796087DACD7F1EB72FD13682670D",
-      "derived_salt_first_section_third_de": "A33E9EB74D29804A5556DA3B60F00D25"
+      "expanded_key": "510C18B7C8C144362148D26B8A032649",
+      "legacy_metadata_key": "46AD57F9D03A2703A374E8F9EFD3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B71A1E329B0F01AF5179207D1FDFF89E",
+      "derived_salt_first_section_third_de": "A2A4AD9F009EBC7011FAA45AEDC0D8F3",
+      "section_salt": "6E25130DF7FD145699B3735AED11FBFE"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5A56C0B58BA6ABE107B26655",
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-      "extended_unsigned_metadata_key_hmac_key": "CDEA0BF2E96460EF15C2B67336511D07A1B09C2F26DA4A5D1727CD5F1DD9C130",
-      "extended_unsigned_section_aes_key": "244BF681EE6946486E7A1A0E392C6D33",
-      "extended_unsigned_section_mic_hmac_key": "151AFB3AA0F067011254E073642884ACC679ADB2BFBDFD3D0C6C4673DEACB653",
-      "extended_signed_metadata_key_hmac_key": "3118A7DB14F2BD763310BD67817D8C0000167F3531D1E02768D9807BA0D5447B",
-      "extended_signed_section_aes_key": "599F4D5AFC62568F3485423AC36A577F"
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+      "extended_signed_section_aes_key": "5DD97E221A0A9B94CB0D6E4031F2535A",
+      "extended_unsigned_metadata_key_hmac_key": "54C7C093C91EEE0681251F46E4F8BAE2CC407289354D05C783DC856F5548105A",
+      "extended_unsigned_section_aes_key": "2833EAC72F1F153462515CA86367C4C8",
+      "extended_unsigned_section_mic_hmac_key": "77AAC688DE914E0980B006BC55DC091290E3EF6E241D02A6E56162E7F7F17491",
+      "key_seed": "7D845DCF187562A04737435FA26D472AF2B829B040BADA45E1152C8357CC407B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "21B1",
-      "expanded_salt": "FB031C90A695F4816341EB4A72654C00"
+      "adv_salt": "2C02",
+      "expanded_salt": "B7193535640841E3BA5A6D2BC66D2E19"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2EFE254BF45502E1F9C0654B0C33",
-      "expanded_key": "66FAF91D740BEC30360F5E1A8BA5B9E1"
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-      "derived_salt_no_section_no_de": "F5036AE60D7FC6AB306E5D612DF82702",
-      "derived_salt_first_section_no_de": "4DADD72BA3CD00568BC6652EEF74E601",
-      "derived_salt_first_section_first_de": "99D2E9F6813DDC9D1A1A091D5A030629",
-      "derived_salt_first_section_third_de": "9DE758E819AD12C10AA420A40DF34559"
+      "expanded_key": "F551B01032D14627DF047ED444332218",
+      "legacy_metadata_key": "F8681BAD9C84E8EA444F6B1AFCAF"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "129DCB124F4B77141106124D45494AD0",
+      "derived_salt_first_section_no_de": "0CF1894FBD8601AF2D2F06A9C37AAA43",
+      "derived_salt_first_section_third_de": "1B58C881BB7CE6AD88B190F0D76C6BE2",
+      "section_salt": "D8CE47C35D4E2B8B370CB781BD5AA922"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "CD1492043C0949D346C7552AF064B7D0DA19E2D918276A8A5E61F807726CDEA1D92E9D5DF5493720DD157161BBBADB66C9898E510F6C1B9E0A531E673571BC1E",
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-      "legacy_metadata_iv": "A423701A021509B22F8672AF",
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-      "extended_unsigned_metadata_key_hmac_key": "0FC87E3FF02409B1CD6D09338023EA131685659CE4B9584DCE3F40B415C90971",
-      "extended_unsigned_section_aes_key": "6C945E789C414AA6009B5DC617455DD0",
-      "extended_unsigned_section_mic_hmac_key": "199DAD1E3B968B295746E555254DB3ACE97FB696012926BDDBD5E55C80C63E21",
-      "extended_signed_metadata_key_hmac_key": "687DAAC37F6B6592880CE09AD4C9A6867B39881E0E87F056397D523414FFC37E",
-      "extended_signed_section_aes_key": "EDE7957A039F124B27B0F2DB9A76D742"
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+      "extended_signed_metadata_key_hmac_key": "61FDA355445026F68499A00CB5F89E563DB21AD4A7CBCFAA4C91408E48F8528C",
+      "extended_signed_section_aes_key": "921E632ACCF7391D2BB6FA9852078EEB",
+      "extended_unsigned_metadata_key_hmac_key": "22430B4B3C5B859D68580800A7DC5D95001025955FDC32485D4D8D06EEFC78AE",
+      "extended_unsigned_section_aes_key": "63DFB53FAD39762398260856C1FAD985",
+      "extended_unsigned_section_mic_hmac_key": "753A35757735A5F4DDBCA5D1D062D98B017D5E26F47939570FD7BE838D4D59F2",
+      "key_seed": "A5FE8449281ECAC062665A4F27D82FE6D2AD916E784903EC6760F3B75CE1A2CC",
+      "legacy_ldt_key": "DCBD1618833490BC87DB8D5B8FE44757556E6A1AA9AD8B379A36231FBA79410A0C5B22A864C33329F9E03355718C2248C7664D86193A46A0B0C02E6E44CD59B7",
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+      "legacy_metadata_key_hmac_key": "D83E0C4E6909F9AD821932D032A421CE56C9D704CEF31372BC4859FD9A48D66C"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BB1E",
-      "expanded_salt": "582B9AB8F3700E9FFFCB363350707C57"
+      "adv_salt": "9393",
+      "expanded_salt": "DBFE858C0C4FF9A80B2F050AD98A684C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3AAEE85CE9B91FA9B9A0C4203514",
-      "expanded_key": "6177D48B87F75D7EE433F626669F12CE"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "B2E1236EB7ABD2E1725174F34093CD91",
-      "derived_salt_first_section_no_de": "4779633D06A56A9E839D5050B4072779",
-      "derived_salt_first_section_first_de": "1A58F11D98FF0DE3E5029F4E4594CDF5",
-      "derived_salt_first_section_third_de": "DB67EB78FCB20731F29719419C325990"
+      "expanded_key": "5D85A197F8D813BE8C2AB9350678EC11",
+      "legacy_metadata_key": "0C9F27D83E7947625EE7428A1357"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "9686E93A49101E3455F17FFC0119A492",
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-      "derived_salt_first_section_third_de": "35CFA3AB89E68803538B3242679436B8"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1474B0786EF76B7F81C20B430178A802"
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-      "derived_salt_first_section_third_de": "19A34E6EC2FC112428A2C5D7AE4A8C7B"
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+      "legacy_metadata_key": "DD5A91A0F1FE68D093C427AB8DE6"
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   {
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-      "extended_signed_section_aes_key": "1000C77E210682F767274328BDDC4DFB"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3993420A10567E0D684F22094EFCA367"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "BE46C9FFB6F394600D0BD98781B93D46"
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+      "legacy_metadata_key": "6954822C184C7E26C3FC47443BEF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D2E338B4DC7031CB504EC622F9DC10F0",
+      "derived_salt_first_section_third_de": "310197D6AB2B312FA3EE942BFBB032D7",
+      "section_salt": "2FB6E330CFB581F814BFCB9117E0F2BF"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D3D9A6B91C9F416697433EF870A9F8F9"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FB58",
-      "expanded_salt": "959F05299F52C61634F48697B688EFDE"
+      "adv_salt": "3258",
+      "expanded_salt": "C0362D16E64712697496A258479CF544"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7FF13F174B24BF22A6FD86A91D59EA5E",
-      "derived_salt_first_section_first_de": "A0861BAFF869291B3A584401167657E5",
-      "derived_salt_first_section_third_de": "D51A1393D63949FDC3202117431DC081"
+      "expanded_key": "CB3D1754DEEA166E68C3F6B453FF6E3C",
+      "legacy_metadata_key": "D3A860F0C52197D4AD861FF63E9A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C6215BE015BB6FB16F3BF8348C62C51E",
+      "derived_salt_first_section_third_de": "DE730BBF3ECE792D2EC9C929523570DE",
+      "section_salt": "79004D3509F0C4B749A82A2F89723198"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "75943C075011A0382A4AC13F",
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-      "extended_signed_section_aes_key": "F4D6FE0CFAC35A6FE3C6A12EB6CEC9E3"
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+      "extended_signed_section_aes_key": "224C453593428A15E9FAB80F5EB272D9",
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+      "extended_unsigned_section_aes_key": "1AC71D2DE075DCD67F6A52C2F75E495E",
+      "extended_unsigned_section_mic_hmac_key": "A4770E2A6CE182D984DFEBEE75EFB1BA9F0B3100040C1F28E554A8DDC803D6F0",
+      "key_seed": "66166824FC7218FE1C188EEF39DF72E6E7FBE689AA0D05C62BEB16070778AA18",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CDAD",
-      "expanded_salt": "864795D9D49F781FF8962E0F426E578E"
+      "adv_salt": "ED7F",
+      "expanded_salt": "2CB7F069E3E860E04F56F9F3D6DC59AA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A8B138481BF730142A58B14415B1",
-      "expanded_key": "0C78C6676CA6D75DCA1B0E0E07C9FD0D"
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-      "derived_salt_no_section_no_de": "62128EBF19D31FC58802E505E9E2449A",
-      "derived_salt_first_section_no_de": "27F8880B0C7B923777BDF62DAB7617C5",
-      "derived_salt_first_section_first_de": "8A103CA8A2CCCA40ABF081959FBAE20F",
-      "derived_salt_first_section_third_de": "07DCA238380407B7F259F810BB8FBCA8"
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+      "legacy_metadata_key": "F0332F59662EC98DDFF6BD828F8E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CDCCC20BABFD3E83F85916123D7E9AB5",
+      "derived_salt_first_section_third_de": "F1F4584F4CFDACBDDE335E6C851B5F23",
+      "section_salt": "AEC5AADE5BF85A506E0093E85A83E4B6"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "9C30DBC860929908C82756F4",
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-      "extended_signed_section_aes_key": "FEF530AE93677AB266100427D53F8CBB"
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+      "extended_signed_section_aes_key": "841CBBBAE199F5DDD4AC01762C330C4D",
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+      "key_seed": "74FC8E02E73A4E36D27D24BC36024FA8F17C25D76F56466A7B2E42C27BB79189",
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     },
     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "05738672C49B298CF95494DA36588822"
+      "adv_salt": "E440",
+      "expanded_salt": "8BF4DA30DF96F4134E52A02AE3C45B20"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D491A49C25D674D170BAF8A94FEB",
-      "expanded_key": "CC116AB36C4CC12968314DAA26DB1BE4"
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-      "derived_salt_first_section_no_de": "2378C64C381683AEE772537C7C2F4628",
-      "derived_salt_first_section_first_de": "AE9DD7E547611884B0AB15C7555F8CA2",
-      "derived_salt_first_section_third_de": "B4A6799D79D2D2696D0FA52FEB2B7509"
+      "expanded_key": "6E0D20E26AE45D46A062E5C79ADB61F5",
+      "legacy_metadata_key": "DE5721B82A319D4E13DFDEA9E674"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "67C90D1CB65B619184B69ADBBC698E0F",
+      "derived_salt_first_section_third_de": "73CA523D84080F864F53544E4C231B8B",
+      "section_salt": "C45AF4853E67081917B8995C1D4A260E"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E0AE8825CEABF98327CE5CA67253C503"
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+      "extended_signed_section_aes_key": "2998AC86FAEC4C80965D9CCB5B0BA67A",
+      "extended_unsigned_metadata_key_hmac_key": "473FDBEE23F383D401FADD862C9E3E700CDC76F7268EC8F2B4FA2F1C90A0EEFA",
+      "extended_unsigned_section_aes_key": "2D474C9F6881D273BE240912CEDA8DD1",
+      "extended_unsigned_section_mic_hmac_key": "33DB3150F1CE0BD0833A73C192AB62726C90E6CA1BDB11703379F88DD0CCC087",
+      "key_seed": "5AE2F25C9E5DE69484FAEBA527C6194B7E34FAA6EBAF9F27EF7B521FCD8A986C",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E83F",
-      "expanded_salt": "9EF66BF14C6684389C1C037038C849E5"
+      "adv_salt": "94AA",
+      "expanded_salt": "C6235FCEFCC91A3F4C180CC97265F1B9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "ACD2F9DF81C0647B9D3C7B74EF6B527B",
-      "derived_salt_first_section_first_de": "A95282E409BFC30BD53B99A98F0F6802",
-      "derived_salt_first_section_third_de": "DDF09F1939AF82134BF964E505EAB286"
+      "expanded_key": "C16386EE2A952A7298EFD68335B353D4",
+      "legacy_metadata_key": "4BF1D50B2414C7405C91CB1668FF"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2C55DC6422718D59DC8C68A52A4D6433",
+      "derived_salt_first_section_third_de": "C80BE605A23EEB072846B5B2B821C16A",
+      "section_salt": "790E59E15BCA93E58B6843D8B0825729"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "61578E3CFCBF9D16089F21CE5DB3B526"
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+      "extended_signed_section_aes_key": "313CD8BAA02F0356648EFFC7A343463A",
+      "extended_unsigned_metadata_key_hmac_key": "85FE712E4D7F5BB0D7780A66EA5763B3CA6FEFA634511690E8BF15CB6E859BE9",
+      "extended_unsigned_section_aes_key": "B466E67C613ADCEE2340C456A3D89DAE",
+      "extended_unsigned_section_mic_hmac_key": "848ECD94E6E699494CE4E2618D0B63B1F33C4362BB1D8AB84C4DC58FDEBC41A0",
+      "key_seed": "F2B2F3F14B819B0C6E7456E2FF970869ABC1E6CE7950E11014B4730E079C9BDD",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "314A",
-      "expanded_salt": "AF3A017395541EA9A02873C117D5AA00"
+      "adv_salt": "8E52",
+      "expanded_salt": "A64B76CCA3756A5C1C03CF1DB2084B64"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7928D9F70DEB0694458A34ED1E4B",
-      "expanded_key": "6E3AB1631F873E0F79D099A6F6A0BB87"
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-      "derived_salt_first_section_no_de": "5177CB35671426B196E7B861CD517E02",
-      "derived_salt_first_section_first_de": "7FFBBAF2CD0E3421E51800B435E0DB5A",
-      "derived_salt_first_section_third_de": "A583C4E79714E9AC344ED809F86FBF23"
+      "expanded_key": "91D10E793EC107FAA79D5738F0F97644",
+      "legacy_metadata_key": "77F872DCD00BDC866F9283C2DDF8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "756F9C11D637B8D84A55B05919569DA1",
+      "derived_salt_first_section_third_de": "B66B8343DAFEF411BEBCBA9995DEEF7C",
+      "section_salt": "92BE56D3CFB557E74F76DED9B84B8BF2"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "CA91E905F80A3BBA5CECF7F3F04F42766BE6A66756B9BA8A17CB01EFFCD59FA5110B570BF9E19604F95F06B78F1A30D742024AD146B4A6FED7D75D1C796A86F3",
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-      "legacy_metadata_iv": "B85671190BF3275339E83E07",
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-      "extended_unsigned_metadata_key_hmac_key": "DF3C16FDA74D73225CB756BB9EEC9735DE72F9E8F22D102D80533140FA66D219",
-      "extended_unsigned_section_aes_key": "E50BF586344C69BF90BB68553C24BA45",
-      "extended_unsigned_section_mic_hmac_key": "C354F9B01BFAE3C3D7DF39441C09B2C81AD6730729020963F8CBEFEDA5EC2113",
-      "extended_signed_metadata_key_hmac_key": "7DEA59B5A52FC3D841517645006AED50609303DC2ED5747750E4D049D8676AEB",
-      "extended_signed_section_aes_key": "21D3D1A5DAF3DA1E2E2A5EC46074AC98"
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+      "extended_signed_metadata_key_hmac_key": "963F6DC2D00F7968FA0976E62BF04EC4E85FD8861C3BD53C72E32BA12411A4F3",
+      "extended_signed_section_aes_key": "3DD1478702988F3C7BB83C13216DFD36",
+      "extended_unsigned_metadata_key_hmac_key": "5FE7113B25F4F8F64BA935EE10FD2862960D7B4F96674E601662D8F6766E103A",
+      "extended_unsigned_section_aes_key": "0CF7D57BCF32F1422ED07211B76A3671",
+      "extended_unsigned_section_mic_hmac_key": "3CD550FB3D9D98733C4E0128CD6FDD8657EDCB697521E18B85D37F172BBFE4FE",
+      "key_seed": "FA591EF28294097AD59BA47DEC4672F37670C5130FAF518CE839D766FF8692F6",
+      "legacy_ldt_key": "446A3947B4DDF577502DA5442BB23EA3B40D2317E2BC43089D1F74FDC804E0ADDC23A42339E2C4E24CC988890EE4E90799AD3E3941E96CD83D77CE85E9693EEC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7AC6",
-      "expanded_salt": "655AB778C0A9DB80ED280D25DA35D50C"
+      "adv_salt": "745C",
+      "expanded_salt": "62CCDECD43BFB57D020B51A5C4169FBB"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D343356AD21944FA29AB21D442CA",
-      "expanded_key": "AA4D3CE9A67FA5CC07B218FD6F6956E6"
-    },
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-      "derived_salt_no_section_no_de": "D4B9CF49DCB556AFBFF8EE1AC35E46EA",
-      "derived_salt_first_section_no_de": "023C8734A0B5F419092D503291B4225F",
-      "derived_salt_first_section_first_de": "0306EA55E16705C34DC39A9BFB14F2B1",
-      "derived_salt_first_section_third_de": "676E4C7A52A6C3E5B33B00E181B9CBB3"
+      "expanded_key": "4DA009EF5027394FB3E786420D05FF41",
+      "legacy_metadata_key": "59C79C74E3608DACCDECEFF1E862"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "0FD8D1B9A8DBA0CD843C41C44FD7D528",
+      "derived_salt_first_section_no_de": "C4685EB378954E262B809F9EF46F2AE3",
+      "derived_salt_first_section_third_de": "7110DBB41B05770BE59D726CEE07BD16",
+      "section_salt": "406AC14DDD5BE1D08D90ED6512B00387"
+    },
     "key_seed_hkdf": {
-      "key_seed": "6D3546D3070DF46F03BEA5B4BD8AD9A8BDD0EAFC073211A4A8A7734D26C8BD5B",
-      "legacy_ldt_key": "B3907EFAF9D0830542F41B270DE66A26DABE405A5435E3A7B69461AA5CD2AD9C58449EC3118F50462C093FDCE3C39CB882AD44712F6F6EEFA2E5A324BEBD60B0",
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-      "legacy_metadata_iv": "88E3242433204DD940C22291",
-      "extended_metadata_iv": "2F88481B9FD7E8014518C09F",
-      "extended_unsigned_metadata_key_hmac_key": "EE8EF081E5A450917B638B1B0FCFE07ADC5711451FF244ED78D78283E46E31DE",
-      "extended_unsigned_section_aes_key": "7A9AE4758B77E1FC77306E0B729A051B",
-      "extended_unsigned_section_mic_hmac_key": "4C5B72DAD5D0340CDC4A2126E1CD7774C3781D9FC0127FDAD91C08E5E8BE4DE5",
-      "extended_signed_metadata_key_hmac_key": "1300FFD532169E98C3C770997173D1F3E1E89341DF26A6F22CF6A59F74A8AA42",
-      "extended_signed_section_aes_key": "15A363D018135C20B752ED180F4D7BD2"
+      "extended_metadata_iv": "20A1A74D0A22D6B1B681F9B5",
+      "extended_signed_metadata_key_hmac_key": "E44A8F5C603F085961BC1A115C5BADFCD98894B438773A608A1817A5FD605346",
+      "extended_signed_section_aes_key": "169A7E44B4668FDC06CE0EB0B289EDF7",
+      "extended_unsigned_metadata_key_hmac_key": "72C207D483E0C3C48EE8CAAD5A384485F160FFA6FFD9D672B8347089C6104E88",
+      "extended_unsigned_section_aes_key": "68A26B6491038FC4D4BF0E4C83D4A248",
+      "extended_unsigned_section_mic_hmac_key": "BBB2766919BEF6A8A3AB2D7C6F1A758F606BE40FA1391EDCCA9A2F884F44898A",
+      "key_seed": "B3E3C29DE5255B6AE6AE76D2BB4DA3D1B273A6864697DDD1A36F8E359B4285A9",
+      "legacy_ldt_key": "CD647167AB308CA1CC740EA04F2254AC00B4DEABD7B783FC3F65D965C021D2E37C87A50C8BB6F14AC2999C3B9E6ABA8997DA7985D8FCD4BD6E67FE7253870A7A",
+      "legacy_metadata_iv": "E585DFAD1E8A3CAAEE03348A",
+      "legacy_metadata_key_hmac_key": "B1E2DF42471D98C30651B9632EA305EE33C8D995B3B97695FB5871E567AF7E28"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C84B",
-      "expanded_salt": "B74C338AA824450B51F0273142D54BCD"
+      "adv_salt": "ACCA",
+      "expanded_salt": "FED41EC29ABF37B24CD3BDF6D3EB1A1C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "19683264A56A343C611309805780",
-      "expanded_key": "12E97A229AD0524EB52E0ED4FA0C6C3B"
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-      "derived_salt_first_section_first_de": "3FC2614570384127D84DD8A72C7D47DA",
-      "derived_salt_first_section_third_de": "F718641240ADDDFC0B87894AC3D8E357"
+      "expanded_key": "298A4853AC355339291C9E30CB7A6F7E",
+      "legacy_metadata_key": "15429A8B598455CD5B6AC955A67A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B8301E17B098C42556133916E0AEDA34",
+      "derived_salt_first_section_third_de": "EC04CBD2709D8D4399585E2753A6FCAF",
+      "section_salt": "A56D3F6240E4112BD9FCB5E4E90EDB7E"
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-      "extended_signed_section_aes_key": "CC4F35EF4FB6ECA48FAD092D0140C675"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B768",
-      "expanded_salt": "C5926636A0241F22FD6FFDED04196884"
+      "adv_salt": "0CDC",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "F9F6BE9B24A2088CC21F1F5E4186B418"
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+      "legacy_metadata_key": "EA57CA6C6B0BC4EEFF60741536CD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "41A8EFFE68442D1B70F581E9CAAF3B6D",
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+      "section_salt": "E65254396F0DD4CF4B168459C4AAF7A0"
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-      "extended_signed_section_aes_key": "DB7A010BC0D0B820E0BDF63A90FF872D"
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+      "key_seed": "74718747F2C7829F001C1D5746A7CC70F41CFBAFD48F8DBCA327F26516233EB6",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "00256824B4BA533D9C73A30053EE7BEA"
+      "adv_salt": "644F",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "EE17539B5C565E51A8E2F2A4CC4EB60D"
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+      "legacy_metadata_key": "CBAB2BD649FB6188665F5665B0FD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "933106E9D0C33D8AABCDB786960A2DFC",
+      "derived_salt_first_section_third_de": "67D3FBC0DBA043CF1504F22D5DE876F7",
+      "section_salt": "CDE6B5571C5C7A4A1D1781416FB7E115"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2C118FFE337F8D26611C4E1EC2896143"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D424",
-      "expanded_salt": "EEF170392701DE9A59E1A595267B5062"
+      "adv_salt": "54BF",
+      "expanded_salt": "2818C9552A5FBC4796E3911D92FC5F5C"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "556CFAAB57FFAFBDE346A8ADC220541B",
-      "derived_salt_first_section_first_de": "667262FF2D99A83E9318DC8CA7CC5240",
-      "derived_salt_first_section_third_de": "E11CE58E052002198F585DC877F716D8"
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+      "legacy_metadata_key": "B19832D773F192678D71465A2C24"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C3633F716F313FB47EFA247369F7165D",
+      "derived_salt_first_section_third_de": "6D988009B250298DDB3FEE05658E8193",
+      "section_salt": "D5ADC37AEF8892D912FD0D854C5D14C5"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "CDC5B86437D4EAA7CA4E64F6",
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-      "extended_signed_section_aes_key": "CBADFAF74BA7C095F8614967268F2C15"
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+      "extended_signed_metadata_key_hmac_key": "B058F3A6C05D18CC3B2157982289BDA0C6A1DF31515EDEFC10CB01F706FDDA66",
+      "extended_signed_section_aes_key": "23A63293601D60208433BB61824C5D8D",
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+      "extended_unsigned_section_aes_key": "93FCA124A32A8260A51823AA02A3F6B1",
+      "extended_unsigned_section_mic_hmac_key": "58C5F1C10AABBDBDAD9B0BB81CD349DE11A1175E6DBBD77928CAEF7470F82428",
+      "key_seed": "2415C30A1AD8412BC1777221331CE377CFBB9E9E949E382AFE0FD2E69EF5A319",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "53B7",
-      "expanded_salt": "5635B0890712309A861D8FF8296EE640"
+      "adv_salt": "05B0",
+      "expanded_salt": "5F0DEC12840AE2B38C6C58D948774F26"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6A3CBA0EBC13C827156A70F77A7E",
-      "expanded_key": "93D95E96421BA9F8E909CC384DE69119"
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-      "derived_salt_first_section_no_de": "C8BF43B4AA8939D05A786BEA03C15F42",
-      "derived_salt_first_section_first_de": "79D8993C46560AFD689E072CB868387D",
-      "derived_salt_first_section_third_de": "A256A987CFE62780E7381E2372DF7F87"
+      "expanded_key": "2D23438C8D7972DC4AA881FFF2764B42",
+      "legacy_metadata_key": "C656AF6D29AA9D300FE027E427B9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "854C06D14A736BADD37C001ADF73DCC2",
+      "derived_salt_first_section_no_de": "BEED417471233F438AB20AB22CAF3C55",
+      "derived_salt_first_section_third_de": "A674EBDB2B3BBEBC70ECF37B064522C5",
+      "section_salt": "C97936E49F85452F072D11BFBA99D4DA"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D0321BA37FF239FA123E1FB1",
-      "extended_metadata_iv": "7284CACA311DF70216108B1B",
-      "extended_unsigned_metadata_key_hmac_key": "8662E3D8C1677B70540C2A9F461CEC223A89C50F94898F186BA88AB145A61109",
-      "extended_unsigned_section_aes_key": "35A9D2CB1821DAF4A32ACA54BF560CC9",
-      "extended_unsigned_section_mic_hmac_key": "D0B9350C09C71371C63AD66C18827B666A202574E7A8CFCFDB4DDFD4B81A15CC",
-      "extended_signed_metadata_key_hmac_key": "10DD65F6901EEE073689BC6065FE6C9892B747EA42BF0993D8789C381DA9D2F2",
-      "extended_signed_section_aes_key": "C43774F172149BC551B15E299733D681"
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+      "extended_signed_metadata_key_hmac_key": "BEF3C668EFEEC58DCE279E34B007AD58803EF4F71B672E57930A1BE1963C8964",
+      "extended_signed_section_aes_key": "5EA1448BEFFED0FDB0E32B9BE7A79543",
+      "extended_unsigned_metadata_key_hmac_key": "CB075B8EF545EAB234AD76F6F46B3B312B734549BC05D35FF8A51868E1D5CB77",
+      "extended_unsigned_section_aes_key": "7B2457766CB845134E5452A362FB84CE",
+      "extended_unsigned_section_mic_hmac_key": "56A65B989AA8C0D7EF1CE0CDB52CAE14CBA09F0924741471C5C15C8DDCFDECD8",
+      "key_seed": "64A18F9F8A6FF78DABF6FF74C66082D49DA3C40A7516EAF74A78F4B6907645B6",
+      "legacy_ldt_key": "77C95A468A29E308942E68CB66C2A3B9A7E626A39313CD91AC07239DF70781A372C51E1DCDF94F806FCC9F34F29A7E1A7C3FAC7DB24C6AAD91A9F1B2028DB902",
+      "legacy_metadata_iv": "DABA6807F372B89C224FA391",
+      "legacy_metadata_key_hmac_key": "6FAF021CFE6B1CBAF1E519C0E724D602087F5A2F315893B9B4A0D7AD49C5B22D"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B7A9",
-      "expanded_salt": "E14007FC3C5ECAA88FBB2398D99AA4F2"
+      "adv_salt": "018D",
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-      "derived_salt_first_section_third_de": "F271E3CEB87A1043B90BF1F50B6189FB"
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+      "legacy_metadata_key": "084A213690B929B16117977E0ED7"
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   },
   {
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+      "section_salt": "F9762F11F8AAADF4F965410C43FB325F"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D6EE05C33CAB623CCE9BC6DFF0B534A5"
+      "adv_salt": "596C",
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-      "derived_salt_first_section_third_de": "F634DB6832633C92F014D8C64916125B"
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+      "legacy_metadata_key": "3146AED6A7235B4C294DFA8E3786"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C6FCC9D81B1C21D1EA29AE86F6581639"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "6B7D3529C477734E0BFD37F80597EFFF"
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   {
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+      "derived_salt_first_section_no_de": "0CD057EDAAF48089D0A88264C3631619",
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-      "extended_signed_section_aes_key": "364918B2289D7E8A526CDBD32B97CA8B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "FAE1C3A2CCD56B6FB11E3CE2B0FF2CA1"
+      "adv_salt": "37C2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A200555557C82C840F7066FCFA5437C0"
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+      "legacy_metadata_key": "DCF190BC4777D48035DC7A120509"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "318959DB007AA4A10F42FCB65BFF0A09",
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+      "section_salt": "5163E637A41D086703704D2F4CF32885"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D22D7693E55DA760CF03FF1633304E92"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9899",
-      "expanded_salt": "06488E5EF0730F629084439D02C80BC7"
+      "adv_salt": "5023",
+      "expanded_salt": "109048E9A467056C2256904ABB2636F6"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "FA720E9990653A27851140581AE14931",
-      "derived_salt_first_section_first_de": "A6F690A2A5B5FA89B857E1A2B65E09F6",
-      "derived_salt_first_section_third_de": "A05BF055BA677EB7E52CA9D1DF51A50D"
+      "expanded_key": "A914F2515C45757273BCA5A3D6588207",
+      "legacy_metadata_key": "E0057A4D18C9C6E26712B8666C9D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "252CBF5112CDB24277082F0D83A823BC",
+      "derived_salt_first_section_third_de": "807DD46CCD4EF133182B2F921494F64A",
+      "section_salt": "0BEDB88CB782D0D94BDF2BDC9C1EC411"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4DBBE505D5BB2B7246075517",
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-      "extended_signed_section_aes_key": "905C1A2511EF68188A0E38E6D430A86B"
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+      "extended_signed_metadata_key_hmac_key": "47BA8B1049CD3E322E0D932F72BB365F754E4F8ADE549420D3F05CA417627246",
+      "extended_signed_section_aes_key": "F564FD8D7C7335A1B134A2910F7FE914",
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+      "extended_unsigned_section_aes_key": "AC348ED8813AF696CB14E03533283DBB",
+      "extended_unsigned_section_mic_hmac_key": "CCADBB0E433EA697B02B15EFC28FA5D93AB7B42F4A6858DF9979D3CF4589A744",
+      "key_seed": "F275C67473DC3DBA5096F707D71503FF417E7BAA7474AEFC41F390958956CF04",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "890A5830EF5A46389AEB1D54882E3B11"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "DE2FF54F6862ECEE2C5B953309F3E1A4",
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-      "derived_salt_first_section_third_de": "A2BADCDE6C4226378CBE3EC7E6998251"
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+      "legacy_metadata_key": "752C9C6D100BF7AC20E9E7BB090F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5B0D6119D30D45BF589CA7AFE63FA560",
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+      "section_salt": "C385A236F686E7E3DD1CCDA43B55FEFC"
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-      "extended_signed_section_aes_key": "E3A2B2E3163F11D05655C102E9305414"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "299BEF4D13E775C019B6BAF0E345ABF8"
+      "adv_salt": "93E5",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C1BCC06D2AF05156DF86478F38530415"
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+      "legacy_metadata_key": "FEC9EEB831B216C779D16263BBB8"
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   },
   {
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-      "extended_signed_section_aes_key": "A0436DB23299B3C8425041F572AC66D7"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "853C",
-      "expanded_salt": "2839DA803A15F55120139596F909F1F5"
+      "adv_salt": "1D3E",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "A696F233F81FB3137A028E6338A7E470",
-      "derived_salt_first_section_third_de": "72D8242EFBF012575D856A399E0B5855"
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+      "legacy_metadata_key": "75BB8F061C523714ED43EE8BD57D"
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   },
   {
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+      "derived_salt_first_section_no_de": "7A69A62CDD40EAD2BD1EBCBD553B657D",
+      "derived_salt_first_section_third_de": "01E92A246E2D5844C1DE584538D2A6E1",
+      "section_salt": "BEF12937CD029C6898D5014AF7C26E60"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3C9F567082BE313D049324AD859D1599"
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+      "key_seed": "940EAA5BCEE6AFEA56D83716AE22D1569BCA603A3435EB9C356926F3732AB4C2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "87AB",
-      "expanded_salt": "16B3D23AF3F83DB4DA50C76483C82517"
+      "adv_salt": "A0B1",
+      "expanded_salt": "7F7E691B788614D001375EE922D3B87F"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "89F9E0984558A09BCE00C84D6144425E"
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-      "derived_salt_first_section_no_de": "ECBEB1D41D342B6F61FA07679DD9BE1D",
-      "derived_salt_first_section_first_de": "592A49A6715057D2C7505009F6D2981E",
-      "derived_salt_first_section_third_de": "2E2DC0FAD35544EC56B6E6A1D0C58F81"
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+      "legacy_metadata_key": "309D7F0F81181FE1932C64E7C5C0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "847CAF4241BF031F6DED6139DB7A68C7",
+      "derived_salt_first_section_third_de": "B304B8BCA44C0D60BD4826B242AF551D",
+      "section_salt": "30BFE3D299D745A250C8F28AE0146B1A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1F9FFA9B4C7AF216BFB2116B",
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-      "extended_signed_section_aes_key": "DAFE801CB2202774E48816326BD136FF"
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+      "extended_signed_metadata_key_hmac_key": "8560FA14AE3263A14FA0FC5F62422818F7C1557C011BC8A81C5CF9D34674500C",
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+      "extended_unsigned_section_aes_key": "94D74DC731B50051DB67819B0BB03AEB",
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+      "key_seed": "0014DEC0FCC355AEF1DADEEB65954B15070654E10522860481AA254D3F909A4E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B1EA",
-      "expanded_salt": "3A315E318E51B597C4D3D3D8A449303E"
+      "adv_salt": "EFAC",
+      "expanded_salt": "E52C24E9617643F332B0134CDB3F67C1"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "396DA49638B9874C721F73136C64",
-      "expanded_key": "C1BF04655F0986E81BF821C5B924B68A"
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-      "derived_salt_first_section_no_de": "E853E10AB90DB72D3C7F375FAE2F5820",
-      "derived_salt_first_section_first_de": "4F69619BA688CF2235531455A4BF59D0",
-      "derived_salt_first_section_third_de": "0D66F1CECCF5CBAAA3F84EEC6CEB7D9D"
+      "expanded_key": "0A6C0EE912E43942957ECA6EEC75F559",
+      "legacy_metadata_key": "7A960FFF7234A8CB3FDCD57A7921"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E2305D14E0C5B168BB286332813CA757",
+      "derived_salt_first_section_no_de": "0F5F800C4ABBD8083D1DDE93A74E3E37",
+      "derived_salt_first_section_third_de": "C1C8BED103D467C82B804344CCDAB10C",
+      "section_salt": "13A59F9BF1640FD3421FC37ADBA31805"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "DA8580A626C09148514E7906",
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-      "extended_unsigned_metadata_key_hmac_key": "CEF6A5E9CB600B6D703CF5AFDC01CFDD41E0C61DCF640E381146CC9FD1709C54",
-      "extended_unsigned_section_aes_key": "53BA866120094855023D5BB178EF3F47",
-      "extended_unsigned_section_mic_hmac_key": "E97DBE51F5D4746BC5C676AB4EC0DB01282AF2582EC4724079D241C113D212E5",
-      "extended_signed_metadata_key_hmac_key": "7A985CF649A7E8DBD09738C5E365A2FA935441AA9616FC83C2A1B876E44C3EC3",
-      "extended_signed_section_aes_key": "0B5478E41C94672B08FD5CF7701ECADD"
+      "extended_metadata_iv": "C20DC65A2E073B5B4F549F96",
+      "extended_signed_metadata_key_hmac_key": "110C2F38FE27D09A18DBA28A7D728B6DC16DAA6389C0106817745949015C8E5F",
+      "extended_signed_section_aes_key": "36D4830F5721AFC122EEAC91FDD57AB6",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F72058E162CB89CE8069E8FA63FD7F9F"
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-      "derived_salt_first_section_third_de": "C50E55C4CC521331642DACD38E2E95D8"
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+      "legacy_metadata_key": "874ECB35F8778425CCE0809BDA04"
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   },
   {
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+      "derived_salt_first_section_no_de": "CEF3D0B41EC6107D61B88EFE9E79C406",
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+      "section_salt": "ADE21264132B21C49B4B8D22BEB21F9F"
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-      "extended_signed_section_aes_key": "855D50D11E8DA2D73F1997FA52351D5C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AB401969C3FA3454693708CB08505899"
+      "adv_salt": "C0D5",
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-      "derived_salt_first_section_third_de": "5E9291AF5A4F103D609FC136C0195A60"
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+      "legacy_metadata_key": "263E0220C15B90E31FF0975FB083"
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   },
   {
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+      "derived_salt_first_section_no_de": "F5658AD027C61C98BF3A21AD4AD934AC",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6E3C87A97967869EB2A67F47244D6333"
+      "adv_salt": "85F4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "69975D751BE605E7EE3821FD1C1B20C0"
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+      "legacy_metadata_key": "BCBEC2588A9938262EBBDC7F71A7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7015AC9C889B1476276FDE70665799A1",
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-      "extended_signed_section_aes_key": "1E7A8BDF213CC40E7844C78315D30475"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7C46",
-      "expanded_salt": "7348622856519BAE43AF0CFDDAC46096"
+      "adv_salt": "DA52",
+      "expanded_salt": "290F865CBF4F560E7A49BC27D4FB2EDD"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FA3FFC1822FFABFCD30BB41A024F",
-      "expanded_key": "BA446C38F7DEDDD0B3110ED8B2749CA6"
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-      "derived_salt_first_section_no_de": "BFDA4A97E284A1034BC314A85A2930FF",
-      "derived_salt_first_section_first_de": "E381B26F8051A9CB3D2BAF9512FA0B4B",
-      "derived_salt_first_section_third_de": "2292393DB5C06CCA27B9507D05B2E021"
+      "expanded_key": "9B653EB0193DC300E0F3ABDCABED703D",
+      "legacy_metadata_key": "A1F1C376A022379EA792D9BF7F55"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E902149655CCA39D09CC48EC6AEFC9FA",
+      "derived_salt_first_section_third_de": "8E4EBC41CE10AE4B2B60CE2A7ABAF7B1",
+      "section_salt": "A7902D38DB42A93FB36B3485A5351E29"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "EBC4B4010B84FAE7EED36629",
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-      "extended_signed_section_aes_key": "9B49D498FF5AEF3A2A28A9551E04FF76"
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+      "key_seed": "9AD0FF71F50EF63FCE22A4C97CB7A60DDDAFE74F1F36072855D4932F3EF8FCD0",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0429",
-      "expanded_salt": "134DCCE35BDF408037B6BEAC9626858A"
+      "adv_salt": "BF37",
+      "expanded_salt": "5767E07DE7BA2DCD9C62D1334A3983E5"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "463DE3A6A92156F953732FE24290",
-      "expanded_key": "845A3BA9EE80DEC655BED6380030C0F7"
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-      "derived_salt_first_section_no_de": "987BD654D9F51B4989B80901B6744FF8",
-      "derived_salt_first_section_first_de": "39339F5389522D400BE752B0BDF580DD",
-      "derived_salt_first_section_third_de": "12BFF447DC7E53C67C7B941BEBB7C210"
+      "expanded_key": "0226259BAF4C143E7477EDF6CF94CEE1",
+      "legacy_metadata_key": "E724360C1D38F1F8CA5A49E8D762"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "7A8402FF31B767A785EC1816F7BA7CD5",
+      "derived_salt_first_section_no_de": "4A84CBD56394448C2D554EBDD3D61608",
+      "derived_salt_first_section_third_de": "6BBAE4CFE15DC347448F2DAFA3B9BA82",
+      "section_salt": "BE39E34D498FD7CCC965D655AD771777"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "B19197D68E654B3181C8B1C5",
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-      "extended_unsigned_section_aes_key": "4B73CBB99548CC2CE9397BE4E8A98658",
-      "extended_unsigned_section_mic_hmac_key": "F3809B431C6F1AFE884504FC848022AE4795BC3D69A10E51C1C31355826B28C5",
-      "extended_signed_metadata_key_hmac_key": "F13A1683DE2AD8C5FE702CE3C0E1B81280D693C26AAFC3456F585949093FF82C",
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-      "derived_salt_first_section_third_de": "E11DD625678609BBA1FD449833482ECE"
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-      "derived_salt_first_section_third_de": "82EB459520CCB70C4276E2594FBD66C8"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "F45D96B81BBE1A8608B95002827602C7"
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-      "extended_signed_section_aes_key": "97514C45B8DDB718E36190B34C15E38B"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "4DFB3046AAA9F0CA7BF35B2C5FA5239C"
+      "adv_salt": "4B08",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "EED32B9F6D782FBED8427C58C1835704",
-      "derived_salt_first_section_first_de": "388074EC59EF535C9837484A0345AA26",
-      "derived_salt_first_section_third_de": "197549BC994F02DE22057C3ED77D3084"
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+      "legacy_metadata_key": "D2334DB6BC03D062380BA49BC11A"
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   {
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+      "derived_salt_first_section_no_de": "219EC928AEF0D6BA1155E64F4C45356D",
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+      "section_salt": "B0B9CA01650B71A3F30307641076EAE4"
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-      "extended_signed_section_aes_key": "711F6EA63CDF2634220FCEF69E354FF6"
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+      "key_seed": "96246C04EF50160AA1F91613B082F1FA487314EE47A81B522E80E74D27A32AFD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "062F",
-      "expanded_salt": "45549B8D28BE6FC5BD4D4F13DABC60D4"
+      "adv_salt": "C3E4",
+      "expanded_salt": "83DE4A5CA78AA5769D3DA47D3DBF7023"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "93ADBF80D1513D3A3FB63138F41A4E7B"
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-      "derived_salt_first_section_no_de": "A7EC527794F6771CE4C0C4A401EE6072",
-      "derived_salt_first_section_first_de": "32F32A8AF09BD39C7BFA5AFF0DE8343B",
-      "derived_salt_first_section_third_de": "1A2DCDF8352847D501CFD6C6A068B3BF"
+      "expanded_key": "07C77C520E6803817459DB3A512D3D8B",
+      "legacy_metadata_key": "AA3A65CA6603CA545711AFE55784"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "9290F6B1EE7408251787BF73F89985D5",
+      "derived_salt_first_section_no_de": "DC504E8178E5979B07C93A16C173E637",
+      "derived_salt_first_section_third_de": "33E64FA0755EC152D5652AAB870CEE7A",
+      "section_salt": "9F1544E113ED10BBC3D284B8E41237CE"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F4B1C3B445FE7BC082A2C0B5",
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-      "extended_signed_section_aes_key": "54DC28677BAB1F07ED1665A77D6C3E97"
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+      "key_seed": "669981E8C3D4AF42B7B9447D5A9DFF10938018DD5004AE7BCB7AB9973835AE48",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "56CEB9ECF47EABFCCA67BB334E7B1755"
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-      "derived_salt_first_section_third_de": "A09692B3D09F67129358BC58AB463B2B"
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+      "legacy_metadata_key": "B5C409B5657DCB4F564EA3BBEC47"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2CECB836C1843C3374AC5F552F8A3C1C",
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+      "section_salt": "EF7B631474B1CF52CB58922EA5EAD670"
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-      "extended_signed_section_aes_key": "D4CB75217D09C7FD4791EC95EF762054"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E83F26590EACC675FA0977BE92D528E2"
+      "adv_salt": "C8D3",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "9C1068DCF4B9A173BDC5D6B4C78B4E5E",
-      "derived_salt_first_section_third_de": "43CD76C7C4E4320D4CF01B4975FEA0CE"
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+      "legacy_metadata_key": "609088384F0537CF86572B445906"
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   },
   {
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+      "derived_salt_first_section_no_de": "AD48D910611604DDEBD81C8B242B4203",
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+      "section_salt": "D5515FC8E5C07EAADE521C0FC10F3A8D"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "752073CAC4C787B7B7677FC6F26696F5"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DAE4",
-      "expanded_salt": "DC661E1A082F10370A83FAE275BB932D"
+      "adv_salt": "418B",
+      "expanded_salt": "AB31F9F0CBF01967C094379BB1BA27F8"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B6B8D1E7F4EAB20D0FD917EE3155CC4B",
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-      "derived_salt_first_section_third_de": "B6E71F5EAC8B7BCB3AB9701D9A67946C"
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+      "legacy_metadata_key": "BCFDB420ADEAE8C8246EE2CC7C5D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C6F5076BCA4CA3ABB42418E2AAC4FA8A",
+      "derived_salt_first_section_third_de": "20426F6361F0CE6C16EF0EF1076128CE",
+      "section_salt": "F69C43A2EB002C48053C66CC9B0BB9A0"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "D3781F841EA274D0F32ED42016F99C7B"
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+      "extended_unsigned_section_aes_key": "7022A90280CC12E45FFEF182437DC9A1",
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+      "key_seed": "E477F546E9160C00BFB5698B6BE1D7C85AE583712B554D886DA5D04DC26F761F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4524",
-      "expanded_salt": "15A631FC9B815BDA1528F10BBAE1A9A4"
+      "adv_salt": "C2B2",
+      "expanded_salt": "308D44E4A01D614290B4AFDCF8BF00EC"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "43C2BD6E0CC7EE70FC3139AA5578",
-      "expanded_key": "FAE843F587CCB030C76AF17725FBCB66"
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-      "derived_salt_first_section_no_de": "00AA7BC4B14AE6B679D8193CFEA821FA",
-      "derived_salt_first_section_first_de": "E5CBD1A051F5D6B36FCB69CF07392C00",
-      "derived_salt_first_section_third_de": "9D0DB0A5BD31BC208FEA3D39C5FB5136"
+      "expanded_key": "6F279FB7070582A9C30A2DDA5C528DE5",
+      "legacy_metadata_key": "D3B5E33EB645B1C5FCFA4DBDC2F3"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "9FA48FC1BC6F3FB72D5CA2FAECC727B4",
+      "derived_salt_first_section_third_de": "491D8C957D3D02BEF272DA468E48D1B0",
+      "section_salt": "BC0347CE8B4D96A2CF725132166D824B"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "02A15D2F9350FCC4A0949C9F",
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-      "extended_unsigned_section_mic_hmac_key": "F6BDA8165BA4CD1364E7675FB68087FA33AA6259B24C02B3E9C39CC948B0ACDE",
-      "extended_signed_metadata_key_hmac_key": "B2A032CBBB9C4A367772CC76FDF19685F459AE8708B459CBF36DA3AB3CEA9696",
-      "extended_signed_section_aes_key": "B90084EB783F241B0C8258D32D9F24BB"
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+      "extended_signed_metadata_key_hmac_key": "09E78F26EF03ED1311FE91E4052CCDACDFEC5A59C6735B710CBB694B5175C76F",
+      "extended_signed_section_aes_key": "96CE4A4AA6636BF40CCDFA603E0B7972",
+      "extended_unsigned_metadata_key_hmac_key": "FFFADD1CAD942DDBB7C70248D7A71C6C0D17EAEBCA8ADF6C0D9D43622AA2BC20",
+      "extended_unsigned_section_aes_key": "E6B54E526614544DECDFDF0222D276B7",
+      "extended_unsigned_section_mic_hmac_key": "19819C7737C832666E27D59C3DC62D2B67E74AAF77C084B0C5F7CEE5E1B01E80",
+      "key_seed": "DA28DE4FB7354AE7A42FE5ACD337FCB4E6441C0A734FB78759998E7F63884E42",
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+      "legacy_metadata_iv": "03EC3946454BB96EB1BA4483",
+      "legacy_metadata_key_hmac_key": "35FDDF9F58A2E758123195EEC435154878395C3558CCAFA75DF7E14672B46511"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A52E",
-      "expanded_salt": "BA234DB46269A68D37665AA8E126DF10"
+      "adv_salt": "0361",
+      "expanded_salt": "CA993E1238742E9FBFF2A867AF6DC67C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "85BB56F6B968DBB03AF4017080C0",
-      "expanded_key": "3DCFA91ED6581486F5CD983FA5CC4183"
-    },
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-      "derived_salt_no_section_no_de": "68A626A829F7E18C428FAF5CB5341406",
-      "derived_salt_first_section_no_de": "61E6B9A523EC4CA9238A695AEFE11DA6",
-      "derived_salt_first_section_first_de": "97AE97C614A5875403AFFEBEA340CDD1",
-      "derived_salt_first_section_third_de": "6ADD057CD39B851191B8DC640D74B626"
+      "expanded_key": "F962CAE6F65E793974E3F747C6B70E13",
+      "legacy_metadata_key": "B4068754A41879949FA0CEFAE275"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "009D23255EA9B45BBBF6C6288D399245",
+      "derived_salt_first_section_no_de": "B61854D69D1ABB5F4B4B242031C3AD38",
+      "derived_salt_first_section_third_de": "42DFF326C2975DBFE293DB83A1491D0D",
+      "section_salt": "84E11FC3206B1FBDFCB1384C6572BA3A"
+    },
     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "AEF10105384E71B04287597A503B0DAC"
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+      "legacy_metadata_key": "63E1F3E4C1D02B0FF098E64FEC3A"
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-      "derived_salt_first_section_third_de": "B00F2F33C13D69A3751EC409B7D8A127"
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+      "derived_salt_first_section_no_de": "EA25DFAF47A3F771DD74CAA01BCAE1EF",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "0E2E180A829853AC38B2814037CF4632"
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-      "derived_salt_first_section_third_de": "AB16F0A4A05244D5FF81EE01A03D68BC"
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+      "legacy_metadata_key": "AA52B69B98CE4806B943F3BD0623"
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   {
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-      "extended_signed_section_aes_key": "64EA14105F440A9502424FF6DDD93B57"
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+      "key_seed": "A0F3D16A954816174218D392D4F80C9D96DAD35A3772CBB54C22C84786FA7DDD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A468",
-      "expanded_salt": "CF2EDAB15434187AFECEDAA5AB4ED33D"
+      "adv_salt": "F5D2",
+      "expanded_salt": "4BCAB4222372A8648D564F082606A8C8"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "129FB89FAC0C8DF27A43FFA370190305"
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-      "derived_salt_first_section_no_de": "11FC2EC9946456FDE96142C5F1D66A55",
-      "derived_salt_first_section_first_de": "32983AD344138D21A5019054EF26E224",
-      "derived_salt_first_section_third_de": "F361DE780094C659AF8521CC19AA77A0"
+      "expanded_key": "290819F65EEDD3BC0BBAFB1959637D39",
+      "legacy_metadata_key": "FB5134C60391CEEF563F986B1746"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3F3127420C2B0236BFD3387E0635D276",
+      "derived_salt_first_section_third_de": "1F9AF03F0F96763F743ADF3927EC5F94",
+      "section_salt": "AA26CA24129AA63A1D56D8668C6729C4"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2B677F36181F204FA83D7765",
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-      "extended_signed_section_aes_key": "28D552305B03009A66FFCAB0C17AEFC7"
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+      "extended_unsigned_section_mic_hmac_key": "92D15BF59E40DA2BAEAC2526126A1861EC798A2010CCF32CAB84357FC2F11420",
+      "key_seed": "687F66B9C5E16095A664BFAA77CA6CD43522ADA80D789F22A2F1B5A2786C6685",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3B1E",
-      "expanded_salt": "00188252C45D1D781FBBDDA364E604D2"
+      "adv_salt": "4B17",
+      "expanded_salt": "5C4E05D98F665D11797DF1B0AC5C23FD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "30F5845AFD49AA050CF847238605",
-      "expanded_key": "D2775E0CD46E1585B5754335EF12E02D"
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-      "derived_salt_no_section_no_de": "740036FF39ED39C1F4AA6BE897F84712",
-      "derived_salt_first_section_no_de": "9115ED2ED240A04680E16A038BEF1FA6",
-      "derived_salt_first_section_first_de": "FCC28B38172478F29219E0C607287904",
-      "derived_salt_first_section_third_de": "A811E3A5917F5A05B4D2BE9419DB6AE6"
+      "expanded_key": "62FBF7C865D2E5C2CCC25137C8E938B2",
+      "legacy_metadata_key": "B35157A2BB296A5FA8213A5DF12E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1ABA04853D08B25F10CF4DD3617AA3E2",
+      "derived_salt_first_section_no_de": "5A096C9CF395105DAD552F70D4430D04",
+      "derived_salt_first_section_third_de": "4843FC9ACB9E476C942E0269B98F0422",
+      "section_salt": "886A49DF47B19843780DD87EB25DC7FA"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "5067144D37F412CBD69AAC50",
-      "extended_metadata_iv": "0AD637CF6EF0B3BE54518498",
-      "extended_unsigned_metadata_key_hmac_key": "E1D5660F3FDDEFD4D116FF3ADCD7F821E6DE518FBC914B47FE59F2CF5DF98B84",
-      "extended_unsigned_section_aes_key": "AD5A4313592D2899F5585D68DA788047",
-      "extended_unsigned_section_mic_hmac_key": "99798A2D7ADCBA7591B0232B1B7584837492F8166C11C86EB49ABE1C5C2FFB4A",
-      "extended_signed_metadata_key_hmac_key": "C2EB8F2D130C655D64DB7C376D07B46E10FFD686695DC62FB5FC02A63F252D92",
-      "extended_signed_section_aes_key": "84B34B6D35179CBACDC73E1E78D887FD"
+      "extended_metadata_iv": "76CECD4265D9F9FDE0C956F1",
+      "extended_signed_metadata_key_hmac_key": "019C593A0FBCEA98D3DAF74F2FB70F85538E86802ED18A1C551DC2D095F61853",
+      "extended_signed_section_aes_key": "03AD9BA0395AF2DA0BCF8623612012CF",
+      "extended_unsigned_metadata_key_hmac_key": "722EEB26B331D4F8E4DA1FE92640C5E3834334C27AA80FAF02052BF19BB67018",
+      "extended_unsigned_section_aes_key": "EB4C6A0C8A75DCF38383DEEF1354E228",
+      "extended_unsigned_section_mic_hmac_key": "46EDA4A59DA84C85281E998F3A4A0D5BC19773D6E29A9941B34F8BFA0DD1A30D",
+      "key_seed": "7A6130263EF38B138C27D244F7E79A5A54BEC5F5C19BC0F2288679CB1FD1FB8D",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "ACAC",
-      "expanded_salt": "2DDDB7E16D32908D45DFED66519F72D5"
+      "adv_salt": "C035",
+      "expanded_salt": "6375AC6B2A6AEB7A3DDA1FDE7F23AFE1"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "FA0135F958F607132D8EB8FA178E3E75"
-    },
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-      "derived_salt_first_section_no_de": "67696B7A5440F411C17EF58E0CE0C14D",
-      "derived_salt_first_section_first_de": "0A47118054EBBF51DE33F221F3FE5932",
-      "derived_salt_first_section_third_de": "4C8B80D2DEFE7B9DB686FE8035D982A6"
+      "expanded_key": "ED1DA5C213BED4A819DFBD489D547E58",
+      "legacy_metadata_key": "D3683B7A1D610C1D63BAA5EC3AB6"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "4D1DBE0DC6C7FF96B90A169450DF4753",
+      "derived_salt_first_section_third_de": "413D4604BD8E088B16B07A8A03435FAD",
+      "section_salt": "DE492742732A845FA65C564C8823E8E0"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C87C406DA0EC12F83FD8E898",
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-      "extended_signed_section_aes_key": "BC8AD0EEC47D6D6061B5C9D7D27EEF76"
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+      "extended_signed_metadata_key_hmac_key": "EE45E2C23018B47DBD6CA5B84E9FAE7B2CA5CA63DC2D483F8B48CEA2BA45BC27",
+      "extended_signed_section_aes_key": "B0DFAF284549B60F4D4B64B452200CEB",
+      "extended_unsigned_metadata_key_hmac_key": "E79763B567C669376BCDFE2F559EDC78F57CF4B579F1D0AE981119D166E4F5C4",
+      "extended_unsigned_section_aes_key": "326DA10A83225289DBB598117A18D9A9",
+      "extended_unsigned_section_mic_hmac_key": "EE39A22C75DFB0606C884DAE582E4A90C7694381F85C23057D4C71A8C6D8B951",
+      "key_seed": "B49DC807D3809482561460D4CEC6DDC83340871AC7393675B063E76BA94BCA13",
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+      "legacy_metadata_key_hmac_key": "0BFF4699D2D36E22CA6054F63E77D465419D34BD7B9407F2F7A918F74B16C779"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2578",
-      "expanded_salt": "EE055305D745A9F176E74029008D2F5F"
+      "adv_salt": "F5A7",
+      "expanded_salt": "C507B10853369A63E8BF8B2E1C0F372E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A7968D343E277F3C3555477BFEC6",
-      "expanded_key": "0FD755A4820658F5FDA67B5891F59D82"
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-      "derived_salt_first_section_no_de": "CBD439581E742EA82CE3B57A24D4C83B",
-      "derived_salt_first_section_first_de": "E3C3C375B50C06B1270251B5BC836EAA",
-      "derived_salt_first_section_third_de": "A8AB10975399964CEB637D2B1317F170"
+      "expanded_key": "DF281326BD7D43AA30C3FB53E1F3B3BE",
+      "legacy_metadata_key": "F133B88B1FA8A206538741D71FB9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D08FBCA4B99DF9CB1B82F7548DC6B53F",
+      "derived_salt_first_section_no_de": "D885ADD31B640B7283B73824E8C39F51",
+      "derived_salt_first_section_third_de": "6828E8AA38A859E11CCC00A89FC7E700",
+      "section_salt": "7873B4B24E9A9C10EF43B165A83946E3"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "4FC7583BD3077F2D7E07A883C833A69601CF48B3F844C68DC649B50A964081D97C195227AA0A8DBB93DF36644281831E664FCA8C5329D043C2A8484224A9C6A4",
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-      "legacy_metadata_iv": "B3AED753D767A8A551C8D568",
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-      "extended_unsigned_section_aes_key": "B66254E133B85682423552FCB74F8E41",
-      "extended_unsigned_section_mic_hmac_key": "D4410BC50C21E0A686BD5FE66ED0B850785113BEF2D85E986BD5B32B07A1BA2A",
-      "extended_signed_metadata_key_hmac_key": "82B21311CCBA6999378F25C162CC83FC4CBDAB314CC38372E15D67B8E9F5218E",
-      "extended_signed_section_aes_key": "0F4BDB359A67F54AB6B97C175E698953"
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+      "extended_signed_metadata_key_hmac_key": "566C6B0160925446272159CAE5DEE968D9F319ABE6C69CD316382959541BE343",
+      "extended_signed_section_aes_key": "9A76684260D035A4F0F5441D62CACCAA",
+      "extended_unsigned_metadata_key_hmac_key": "578F3A34D354F511E06A50DEDD5675614312A06F00B31F87DB816F80E43D7B09",
+      "extended_unsigned_section_aes_key": "CBE9B5661FFE904C20C0D632DD5396F8",
+      "extended_unsigned_section_mic_hmac_key": "2713A77B4462585530C24421F740F56210A06FCE15F7DAB5CA4F1E368E263672",
+      "key_seed": "DCD088261DD637804AD559E93C272F9E5ED0DD3687452A091515B52AB8666C75",
+      "legacy_ldt_key": "F409540FA138A212648877204441F47C23D2D7667FA8A2B1B00385B050CFCDC591B8469FC5473A002ED95684B1F5943999FBC4C73BB288B9FC6D6203E9A7A212",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E4D5",
-      "expanded_salt": "07B497E25D9A16457466F2645B165534"
+      "adv_salt": "F2A2",
+      "expanded_salt": "135CEEC1FDAC8B2884C8F11B923D0F68"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "74E580AA5611D6FD8D976FBE40F3",
-      "expanded_key": "2F53C4AD0B4287D9EF1745110A4A6C4D"
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-      "derived_salt_first_section_no_de": "7FE9E9A288F7103310EF8582B23A4544",
-      "derived_salt_first_section_first_de": "9233279F093F2238BC87C11E7AFF994A",
-      "derived_salt_first_section_third_de": "306AEDE016F3698BB9A7FA5CD467A806"
+      "expanded_key": "2F009387ABB073CD8A67801711628573",
+      "legacy_metadata_key": "475A12BBB78355377EC92DF563F3"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "410FCCDEB4701598E1A0CBD0A1BE7982",
+      "derived_salt_first_section_no_de": "82C2717CBF261BB8DFA89B3596474344",
+      "derived_salt_first_section_third_de": "78C3699C5ED47AE42C9AECCE5CC9F4B9",
+      "section_salt": "346D609615423AB74980C67F4143C6FE"
+    },
     "key_seed_hkdf": {
-      "key_seed": "B5CFB6F4C791E8F1ED5401F5CC6E1FFE13BD56164BE7B47F60F0DF4FBBC6CFF4",
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-      "legacy_metadata_iv": "3A1CC5F51D07751853624222",
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-      "extended_unsigned_metadata_key_hmac_key": "57D17D23398C82AC6A37769B5DD316B9D1FDFC32768796F8C8C7166339D33242",
-      "extended_unsigned_section_aes_key": "788A284AD037AC123058A84B78B80720",
-      "extended_unsigned_section_mic_hmac_key": "5C1925D4C43076D32EA7632B63CB26627252948C2153ECF081C8A5AE430BA2C6",
-      "extended_signed_metadata_key_hmac_key": "BF156B06BA968DC62AD49287F49063F73F9AD09921D81DEC2D6618F7FA0B10CB",
-      "extended_signed_section_aes_key": "3866E6617D49024D52E93F9A02FA11A4"
+      "extended_metadata_iv": "C7501EE58E56F633A81A5356",
+      "extended_signed_metadata_key_hmac_key": "2CC1670E6D0DC8A764BE3F7980A13693087218A769167F1B118DF3336889C4D8",
+      "extended_signed_section_aes_key": "CDB20EC1D925B4B8341EE21CB1860A7A",
+      "extended_unsigned_metadata_key_hmac_key": "EADCDEC5012AADBDC2DA659C44976E089761EF747F677B2FA577C7D876FAE8CB",
+      "extended_unsigned_section_aes_key": "E57765D7282C91AA275745459FA66244",
+      "extended_unsigned_section_mic_hmac_key": "83E2D2066DF9B5075C2B97FD2AB57F860051F4181B94C7EC9990CEACB881FCB9",
+      "key_seed": "3CFC8786229C2F7C3A84B0C5EB62B05500C52C575F35CAB75314E890D5C6CACB",
+      "legacy_ldt_key": "B56E779C52428E0BFB3A297B955A3253C566327FDCE6DF42C72A9BD8694E63D04DE448A3F55E5E9C1CEF10AB9373836F671274F00CCCFBEFA0EACE82EC60F340",
+      "legacy_metadata_iv": "E82D8AEB3C419B1E416DFB1C",
+      "legacy_metadata_key_hmac_key": "739441E61964F1150371065E88D7934BA0C3E858A684BB36CE9EB6E3B188F562"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F18C",
-      "expanded_salt": "798A229BAEB31D484E84CD4762E1344D"
+      "adv_salt": "0130",
+      "expanded_salt": "379C952106EB79A603FEE5EC28AACACE"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "5E7CD1910BF6E1A7A5F9B2ECB9DB",
-      "expanded_key": "4DDDB977D2D4C7A355EEE183467C8E27"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "70E306E3F7D0F444CCEE2C37AFF80CA7",
-      "derived_salt_first_section_no_de": "70C03102F1E2A4F2406564035DC6E110",
-      "derived_salt_first_section_first_de": "3D34A9760A4EA2F4347C34661BF53CBD",
-      "derived_salt_first_section_third_de": "F595E00BEB6219C3C4F51C5E93A81B6F"
+      "expanded_key": "E401492F016E833E43E0D0189A397327",
+      "legacy_metadata_key": "75457F4615A727BF7BA53340883E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "62D259A855D4090E057A0943CEDCE5D5",
+      "derived_salt_first_section_no_de": "E5729E00FE865AAC28980567A51CE1D7",
+      "derived_salt_first_section_third_de": "5E3723E7B887ED6EA785C48362DC11D9",
+      "section_salt": "05ADC910FC40F2C889BE2220154C372A"
+    },
     "key_seed_hkdf": {
-      "key_seed": "0FB3FA1A0451EBDB892CB381A591488E3C3829F5B8D7D7E83D35C31FB1304A10",
-      "legacy_ldt_key": "632A3BE52F0C3DB127D03B64208241DDCDDA1101390F7F63730404C4027B1A376CD270B053974A357D042A5026971D88BB41B3F2653802C2816580EA6EA662EA",
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-      "legacy_metadata_iv": "895C2C7A021A7913A808AE7B",
-      "extended_metadata_iv": "382843438693893EB081FD29",
-      "extended_unsigned_metadata_key_hmac_key": "3A853430F2C634B03787A6B35FAAE5B078B74F83CEC91279AA52C014B829FF81",
-      "extended_unsigned_section_aes_key": "7283764E6E3FF07F2AA50B12461A7B11",
-      "extended_unsigned_section_mic_hmac_key": "84AA4547D5F0C2AADBACFA29BADAA00EE08E27C98AE8A53C8BA6838C6E063AD5",
-      "extended_signed_metadata_key_hmac_key": "9CF697CFDF4325D16A3DAF5F5B92CC8E55E7C6086811C0559F857D0268EF4AB9",
-      "extended_signed_section_aes_key": "5299A924735370933BF75B80B91D35F1"
+      "extended_metadata_iv": "A2A75CAB93F8F37B66339F52",
+      "extended_signed_metadata_key_hmac_key": "EB57FEF0143EB6D5B2857D2B32D9C76A6D0E821ABC6FB8526C1B29E990A6AA6A",
+      "extended_signed_section_aes_key": "307BD6CBF562A22FF6111432100AC968",
+      "extended_unsigned_metadata_key_hmac_key": "B677314A8DC90FFEE7351BF778ED83C56D0644740B8AA09E8E363F9076463F8E",
+      "extended_unsigned_section_aes_key": "810DA2E2ADEC9006C4F29A56B2145357",
+      "extended_unsigned_section_mic_hmac_key": "FE71D5DB3F1148717C334B4F6A1E59B500BB44943E38FE3F0A175A6F7C006E24",
+      "key_seed": "2E1B59D8F2856691107D785576C72412DA526B8BBCC23BBF1CFF8625A954E565",
+      "legacy_ldt_key": "738A3D54123DE55B9D33D004D253801E2E64261D37D93A0AFE2DDFDDA361B5AF27A5128CA411523398CD48821E86999C93AAC4E4B0A277F12DDE2D83FA1C95A4",
+      "legacy_metadata_iv": "9AF178E4DC70A05A50D60C54",
+      "legacy_metadata_key_hmac_key": "18C0DAD25F23D682E2CE974254514F06ABE4814949BDDA39A32FC48C44504538"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FD00",
-      "expanded_salt": "3F79DADF5520C17C66F3FBA86CDDA621"
+      "adv_salt": "C367",
+      "expanded_salt": "106B05762679F15DBDF5088316EF6F6E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4F5232D78B7FDF3EFF6560CF569F",
-      "expanded_key": "067458B7880205A1664325E4EAAF8C82"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "23305A606AAA2B3856E8F98182E74284",
-      "derived_salt_no_section_no_de": "2D2BF1B2D6D9C1E39B28C3E0A8E6FF8A",
-      "derived_salt_first_section_no_de": "B4DCF06E6B39A73C3DA15AF0035480BE",
-      "derived_salt_first_section_first_de": "41FCF1DF8FF0E59B6939FBCFF2A8FD31",
-      "derived_salt_first_section_third_de": "25B0523DBC435892C14D93ACD677DB50"
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+      "legacy_metadata_key": "55AE907DE19AC5256A7A557C38A7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BD93B6A724A30486215A621C73B48E2D",
+      "derived_salt_first_section_third_de": "DAB567F9B2E20C6259FBE241071815FB",
+      "section_salt": "FD44138BFED428405A4015BDD90E13D8"
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-      "extended_signed_section_aes_key": "909771057D52FB6B917407C747708F79"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "15C189F70D9D421E1AB72097F0EDE74A"
+      "adv_salt": "45A3",
+      "expanded_salt": "F472EB176DAA9619EA126AD0062E4666"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "FF592BA6BAA01DB77BAFBD710FC1503B",
-      "derived_salt_first_section_third_de": "FDECCED6C2300AFBEC50481576426284"
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+      "legacy_metadata_key": "52727496EC4214DCCB65B940C3C6"
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   },
   {
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+      "derived_salt_first_section_no_de": "4DA34FBF909D91EB99852C575E9E7A77",
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+      "section_salt": "18A787F48BDAFEEF13978C8773440D51"
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-      "extended_signed_section_aes_key": "B6C8A6A1274725D33E4626993C372D02"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D3B0",
-      "expanded_salt": "772CE13CCBBDAD81B921E370E7DC2456"
+      "adv_salt": "D0CB",
+      "expanded_salt": "A13E42C714FD7A34AD37915E2216072E"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "40EBAFB0C5DC04E6252CA6548A55",
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-      "derived_salt_first_section_no_de": "AC2AD1E7CA61CD0BF55E4F37E8535C4B",
-      "derived_salt_first_section_first_de": "B7F0DB3CD28A6767757211E9638091AE",
-      "derived_salt_first_section_third_de": "DA806442AEBD52DDBDAED09751450580"
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+      "legacy_metadata_key": "D75974276B73B38464625D00EDEE"
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   },
   {
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+      "derived_salt_first_section_no_de": "CEFCA7A5FE5360BABDF547A4FFDBFCBD",
+      "derived_salt_first_section_third_de": "FAEE1DA5C05B388A794BE7803D4155DA",
+      "section_salt": "78B725811A2CAFCDFA950869114BE661"
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-      "extended_signed_section_aes_key": "8FC2FF5A1757F3B5734C48F75255425E"
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+      "key_seed": "388E562A8C6A9FECE0E025248C40570FD197E19CB23E733945B484500D27E4F7",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8157",
-      "expanded_salt": "5F590C197811CC74FA42645AF261E11A"
+      "adv_salt": "2E52",
+      "expanded_salt": "56080FC3ECCFD28E6086BBA7EE598C54"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "AC99C01E290A350CC4EB66EB43DB6DDD"
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-      "derived_salt_first_section_no_de": "0E46827777D8EE2365EAB3448ECF37B7",
-      "derived_salt_first_section_first_de": "7EC7FC2386F76720E70BE0980DE002C9",
-      "derived_salt_first_section_third_de": "56AD5AEBF4F8A77007C3B8EF98AA7215"
+      "expanded_key": "ED12B6FB651B10B924CD6D8868E93703",
+      "legacy_metadata_key": "296034F2E45E77071FB9E0D3A37D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "08AEBD510DB7396EC943A3943EF50D16",
+      "derived_salt_first_section_third_de": "CE2D94B24AE21E3843133C7D3A0E4642",
+      "section_salt": "90873010E300EBB7D2F3E04CDA3966AB"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "15E06B688592239FFA204000",
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-      "extended_signed_section_aes_key": "45236ABC61602BADC260EAA8600B635A"
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+      "extended_signed_section_aes_key": "8EF8CA7BE2B37E71D6CD1890F05B1E16",
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+      "extended_unsigned_section_aes_key": "EF3EE406D5F43D3C9E539E43AF46135A",
+      "extended_unsigned_section_mic_hmac_key": "8315CDD7590D150EE91571E66071911176002F0C4A19A9D34A088B75DB097185",
+      "key_seed": "32C725F33BC98B37915E931B5A25883EB856FC39D993A3761F98AD4CAA398DBA",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "991F",
-      "expanded_salt": "7429DC04D26CFB94783CAEACA41DD1F9"
+      "adv_salt": "CA59",
+      "expanded_salt": "C0B1814D3780ECCA886C8302365857B9"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "BF18723AE111D479DD7FCFDCAF49",
-      "expanded_key": "7C9036ABBA5647FBE6A95ED1292CF27D"
-    },
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-      "derived_salt_first_section_no_de": "8AE63C897137A27321A7790EF4750895",
-      "derived_salt_first_section_first_de": "BB3291D1A9E1D0BBA36578FEDB09CA17",
-      "derived_salt_first_section_third_de": "4D7100DA67AC8E05B58CE34CBC6B8ACF"
+      "expanded_key": "A85F3457A069751A063E3321A5FD5E26",
+      "legacy_metadata_key": "A28AE95808E7445849E4E12B35C1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "EA06410ED50FA3ABF5BA4A00FE9CE286",
+      "derived_salt_first_section_no_de": "EA5C325BAB0A2667F61D25352DDCCE9C",
+      "derived_salt_first_section_third_de": "1F5F4B2132373115E10A4C8C3A19271F",
+      "section_salt": "109A2BECAFDFC8306B9BA0F1ED0E22EE"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "4A547230E4F608021CEB9DAD3DDD284CD2BB19779ED765C05D3297B236A7999E872DD05F8308A5C3AC68769225A5A6FAE4DC902D8B8D447C693AC3C1CE379AF6",
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-      "legacy_metadata_iv": "D62F86F56054B72C38F11245",
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-      "extended_unsigned_metadata_key_hmac_key": "8E1FAB11D00C3355FE7D97AFB71906C881516406C6B167BC9BCED6902D3F8799",
-      "extended_unsigned_section_aes_key": "D3104B5415247A6158C311F6513CFC07",
-      "extended_unsigned_section_mic_hmac_key": "156F8423A37CCE5C4869D6841BDEB3AE671D421E4097FF1199B1C7256FAD5E2D",
-      "extended_signed_metadata_key_hmac_key": "F494CF3594374DC3370FC1FFC55B3A99EBEDA3AE7D40E18D506CB71F1A4EF29B",
-      "extended_signed_section_aes_key": "2AD0829FC90FED2D2BBD4721A377476E"
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+      "extended_signed_metadata_key_hmac_key": "198D3E5C2D6BCD400CA0E776BB158A839A3F956C8AC3E36E86DDA9D1B3454B31",
+      "extended_signed_section_aes_key": "693BA171F291C1B99BE11F08493D8A21",
+      "extended_unsigned_metadata_key_hmac_key": "77A28A3B820A47136C8071324E11221410E3948A596F4ED71C6DFCF6A22FD83E",
+      "extended_unsigned_section_aes_key": "116A93F83AD177AC2F18EEC9003A8BCB",
+      "extended_unsigned_section_mic_hmac_key": "BE3ACD1A174614BAF9015F7D04083BE0580DDE8D6FB0E672F4C71B664DD35A35",
+      "key_seed": "CB67583EBC4BCDE90A5AE891FD19649361ED089C5A5325B60E2CB66D57ED2B2D",
+      "legacy_ldt_key": "279C5AE228DE7BEB30294FA697366FCB9D2E43178E6B1762350E2C17AB603BFDF9A075A928D9685A02083E07D1657313329C89BB8F6C754999E6F3115AD97648",
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+      "legacy_metadata_key_hmac_key": "FEE582E442BD59212D88E16674E94964EFA53D508F80A933241B39BA08F01960"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "8F96",
-      "expanded_salt": "CCE6B1EC94B476D88C4EBD7A96A6C346"
+      "adv_salt": "7D1A",
+      "expanded_salt": "7856EA9B51EA6EA890832C105B3A4B2B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0516BF263C173017A1CDCB4761CC",
-      "expanded_key": "309EBAF81D17C2C75C58A40691E28BA5"
-    },
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-      "derived_salt_first_section_first_de": "D42D7E505E4707FCDA7E484281C14776",
-      "derived_salt_first_section_third_de": "A69668A17C3FFCBBE5656908BDBFE063"
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+      "legacy_metadata_key": "77F3FF84BF010E0A0FE04C986C11"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5051D0379371FCCEAC40169F499D99DD",
+      "derived_salt_first_section_third_de": "5701E6205448E108ACA856389CB313CC",
+      "section_salt": "844DF1A98A478DEF6D011E5072133196"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4528E4596D723E1FFA5BB12911026DA5"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "48075C4600207FB5376FF4FD254E340A"
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+      "expanded_salt": "220C79E48E39FEF7CBF7C6279F4C8C09"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4DA65962FBAED4034610D914B99D3572"
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+      "legacy_metadata_key": "C45621536D93284035AFAE23F329"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "10E0F80EA9543BB1EA1FBE9E51536952",
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+      "section_salt": "7013CBF565C0B527DFBB74BA56335F70"
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-      "extended_signed_section_aes_key": "7CF5FB879909AC19AA89BC7D506F9E41"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D64A",
-      "expanded_salt": "F86F46680CAC2D2B60AE7F10F15D6A4F"
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+      "expanded_salt": "4CC8AA5BC4F46F2E04B2CE433B2928AF"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A30D38229FE6C60FC96FF9894A22B5E3"
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+      "legacy_metadata_key": "92458D2F4C1CE0861816E4361503"
     }
   },
   {
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+      "section_salt": "E36DFDDEF5D3F25B0B1F150771196689"
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-      "extended_signed_section_aes_key": "39AED2F4368820F1FE926D1C97EB1956"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6167",
-      "expanded_salt": "698A94221644F540BF765A90E93917D5"
+      "adv_salt": "5827",
+      "expanded_salt": "D1C06A8FCF2F00BD9F58B3FCC53782A1"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "DFCCD2962669C6BB2CC443721DA8D05F"
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+      "legacy_metadata_key": "54A961FDA1BBCB4291E4B48E70AE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BDC57345A140FA54BCC870C0DD3063F1",
+      "derived_salt_first_section_third_de": "2D11E6191484BB7C01266B917C9D75D1",
+      "section_salt": "9F8F14D6F1A8120590FA134FF80805EF"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FA428EA92D6A333525620F4E1E3DCBF2"
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+      "extended_unsigned_section_mic_hmac_key": "A4F97AB133DB3F4244416CADD8A406FF9985ECDCCFAF6606061CB75C6214B0C3",
+      "key_seed": "81AE764D9397E06F38E2AC2F2EE68BC30E9B12DCD7ACF5EB937428089B30EE2D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4616",
-      "expanded_salt": "10A3EFF4C78A21749B69230489A9EFA9"
+      "adv_salt": "E2B6",
+      "expanded_salt": "CE2AD19079F7E7059C6C1E9F6F8D7376"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "E73A1954F447EE848BFBDCD719488EE5"
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-      "derived_salt_first_section_no_de": "A1428A0128C2FE550162B3C044925093",
-      "derived_salt_first_section_first_de": "A19831C7189B262FA2E2B52C1214B9D3",
-      "derived_salt_first_section_third_de": "AFFD16D3B4BCE2D95B9B3353D79DFC1D"
+      "expanded_key": "5D2E1A96287EAB7A25665537C14F4634",
+      "legacy_metadata_key": "7DB640BE9B520F0FDC8EA616F542"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E19C42E296B556E264556BB331CFF326",
+      "derived_salt_first_section_third_de": "7E78C38336595E7DB45D720ED2D1E201",
+      "section_salt": "7502B9D6EC10A8B706D7B9AA2618AE32"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F2E01C901C5DA061F426C665",
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-      "extended_unsigned_section_mic_hmac_key": "54B1153863C385195272901AF9F628FBB8A7B76F6B0A7894317B32A35C18E2A4",
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-      "extended_signed_section_aes_key": "9499F3416216C47656594CE4D8FC63BC"
+      "extended_metadata_iv": "76A477FE8DF96945240E3339",
+      "extended_signed_metadata_key_hmac_key": "B9F82B67EB21016F37DDBBA3294D4AFBCDD48242E1EDB9489384B496619D4D7F",
+      "extended_signed_section_aes_key": "95280E5635CC993EB0AC389E7FC531D1",
+      "extended_unsigned_metadata_key_hmac_key": "05542DCF328F85754DE470846D7CA27378454DCD2BB8138D979B0C334CD8DE84",
+      "extended_unsigned_section_aes_key": "42413587153A51C06587B8895131CBA3",
+      "extended_unsigned_section_mic_hmac_key": "B162E827735B0D7A5588251FE3AE0C731CA1BF7394D7A0104F629672B2010565",
+      "key_seed": "4B300658666A3300B658B9FCAF6F4A896F27F58A432B0932FEDD76FC1F881943",
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+      "legacy_metadata_key_hmac_key": "C4CE499DBF43A1B75CC82024829778D188330C59906FAECD2C47AC97D3547AC1"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A096",
-      "expanded_salt": "721B079C5DD609C7DC63082969048AA8"
+      "adv_salt": "88DB",
+      "expanded_salt": "4BFF210B0BEC8354642AB785DD13AE00"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "0BB9ACA5A219ADB66F4B48E072169E6C"
+      "expanded_key": "F5E5070FAEC1C097018798B04F3722BD",
+      "legacy_metadata_key": "73C32EB3DDBCD92E4F2F1AF7221C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "9F06BAF525904019F91F9DA6BB657A84",
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+      "section_salt": "2E6DA16D7AB77B015127493BD1EA2F4A"
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-      "extended_signed_section_aes_key": "12DD8DDA5180F8354A805EC7C2A91FA9"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AA0C1C23C97DB729CEEE22A327DF7F69"
+      "adv_salt": "67B2",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "D2F240A9903E0C5361CBC1A116B2796C"
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   },
   {
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+      "derived_salt_first_section_no_de": "C3602723E7C1CF744C0F5DF67EF3D4EC",
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-      "extended_signed_section_aes_key": "FCC86D9299A312180781F2CFBE5C42A0"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2EFE9BF8EB10DC4E0F9193C83AEC7BFD"
+      "adv_salt": "24B4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "DEFAB76F2AF438C2D59AC942BB07E439"
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+      "legacy_metadata_key": "C2F249020A3983AB4FBE22F880EF"
     }
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   {
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+      "section_salt": "501B2579851719BB8E2B2FC8D641AB53"
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-      "extended_signed_section_aes_key": "4C7B449B406FFF832BA8F1022C35089B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F198",
-      "expanded_salt": "FAAF3DB53581C6D7589B80E913FAB120"
+      "adv_salt": "F76D",
+      "expanded_salt": "523DAFB4B4C712928E2A5C013D352149"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D26A5CB174081CB32B0532A9FD91A9A4",
-      "derived_salt_first_section_first_de": "5D3D40EEB698505DC3BA005642CB9CF3",
-      "derived_salt_first_section_third_de": "5DF41157F93310AB41D18E175B6C11CA"
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+      "legacy_metadata_key": "367CEBB09CD19627EE16F821463E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "86150F98238232912EAE0B68A8E89F48",
+      "derived_salt_first_section_third_de": "C24AF7535FABFCB9641D3381E5372BB5",
+      "section_salt": "9661D26494301559B404C50A992AD974"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "C689DD7747FDD44C7C60CB8221CE4B75"
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+      "extended_unsigned_section_mic_hmac_key": "5E155DCB0B56E12D8124DC3C26EBF4097F86D0D28A25EFA564D97C8A42191D68",
+      "key_seed": "7E32F8F86F1E461A8D95D31F11214BA1AEF910A515D3E325F4A0FF152D6C31A3",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1B2B",
-      "expanded_salt": "51379E006F9E6F5E8B43BD68A7DBF217"
+      "adv_salt": "E2F5",
+      "expanded_salt": "719C20D32EBBD1F4FF843DBA5EAF017E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FDB2A624E8C87D6CF24AFFDBFFD8",
-      "expanded_key": "927705D29693A49E9701E05EEE1F06A3"
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-      "derived_salt_first_section_no_de": "3E8B067F2B867E09D1E5DBD9C15CF257",
-      "derived_salt_first_section_first_de": "22C2E86F4F1CD66C1A194EA43127D9E4",
-      "derived_salt_first_section_third_de": "1225B4F4F28CD56C29824F2B9B07C4FF"
+      "expanded_key": "B9E3B4C91B7428552454882F2CF73F47",
+      "legacy_metadata_key": "A90E77635C3A1915B129C9E7F0A0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "48D67446248689DD85F79D61F63DD9CB",
+      "derived_salt_first_section_third_de": "FEDA47E2D8D162CD52A438FA0CCDBBBD",
+      "section_salt": "BE13902115E7B1723B97E8656DEDB58C"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "8DC9FC1CD3FD19626E072394",
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-      "extended_unsigned_metadata_key_hmac_key": "BF245A1587DE5FC917DE3BA52243277B691495563A2D7AEA2F696CAE2F855E3F",
-      "extended_unsigned_section_aes_key": "7C4883CF0135A43C4A5F7485E6911752",
-      "extended_unsigned_section_mic_hmac_key": "A1F16662B1C74A42E3F8D788DCA9E402755E5D777C301C18BA4C10A8D58C62B2",
-      "extended_signed_metadata_key_hmac_key": "6463043BF78DDEBC3B1D9D2520755D0BE62090E890D1FDB9DDC93AB30B7A06BE",
-      "extended_signed_section_aes_key": "CC8CE157168E4530C78D6D0D3863304E"
+      "extended_metadata_iv": "B59A624BC7647A89D255D712",
+      "extended_signed_metadata_key_hmac_key": "E8EC0144D932EC8124D1BCA1C38298FBA2319517F2C671BA9F05F8315FFCFD74",
+      "extended_signed_section_aes_key": "49ECF1F8FBBB2660C29B425F54E49DD2",
+      "extended_unsigned_metadata_key_hmac_key": "FD9D7FE06AF75F368673E2977246913669B72383F3E556A06D21B9E77194A832",
+      "extended_unsigned_section_aes_key": "F3200D38840FCCF9A13B4FADB09DB257",
+      "extended_unsigned_section_mic_hmac_key": "B348A212B5216D0FBEB503BFBD1F97628DBCBC8495E04C843C8D82FDF031C0B9",
+      "key_seed": "6D2E33BD4DAEE6CC67C662009D5008BBB8F62E4B63B8CD3FD7A75029F7DB63DF",
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-      "derived_salt_first_section_third_de": "957C21CC33E29EFA61F6EF5A38211386"
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-      "expanded_salt": "086757712480C29ABF19F3B26AAB66D3"
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-      "derived_salt_first_section_third_de": "D9FE289DAEA767F7A552ACF08B4011D3"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9F5D72E6A745A433D23992BFD88BD0DC"
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-      "derived_salt_first_section_third_de": "AA5BED0B006DE4351D66121326BB5F07"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3D5C7E43B7391AC0D37FED0E902ED043"
+      "adv_salt": "3545",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "EE7EF975C8BFA9681F9791070D7C1016"
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+      "legacy_metadata_key": "BD9598CBEA2CC07C6485329DF8BC"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "39907DA4C95B4A30D9629A8234E2FFC8",
+      "derived_salt_first_section_third_de": "F7DDD2B75709366A793C615E1C730B81",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "458F289071F4A22BC21EF3621254BFB9"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9A93",
-      "expanded_salt": "6842951F86BA2CDA775D40E593CCDA72"
+      "adv_salt": "4CD5",
+      "expanded_salt": "14AF2A8BECD8CFF88E248CDCCC1E8571"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AB036C508BAEB528D98D07A7189A",
-      "expanded_key": "504CF82BEBBD98C0582D866FE5F1A366"
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-      "derived_salt_first_section_no_de": "A58EFE5E66DB7587758AA1B01FA4690B",
-      "derived_salt_first_section_first_de": "3A9F4E34E0AE13BF5E9C9F5349D95AD8",
-      "derived_salt_first_section_third_de": "B4DF0DCD43831FFE625A3E0C7D7C4647"
+      "expanded_key": "68435AC58EE37125026C98A884AC8F12",
+      "legacy_metadata_key": "41AFD74BFF8032815E7C131A7D27"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "84C9F0975B1E8F694357F0ECA7B3FBD2",
+      "derived_salt_first_section_third_de": "A206F2BC36F7856C9F242473BE7470C2",
+      "section_salt": "5B9BC6D8763C8D36107D9910687CE899"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "95CCAAE5088894C0EDACD529D831CEF0A3DBA9090D522F23C98C0F6AA283A0663164B1BF3B399D12EA26DF744BC440BFA5949416309F78A94EEBAA90125AB81A",
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-      "legacy_metadata_iv": "B5951154D951790975CE35A8",
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-      "extended_unsigned_section_aes_key": "B5A21B3DCC64859B858929D8988887AC",
-      "extended_unsigned_section_mic_hmac_key": "033AABCFB057400D848CBA5565EFE3D410E2AE800AC3BFF8903B0DA9D87F6912",
-      "extended_signed_metadata_key_hmac_key": "CD6C08B9727EC3B070C35529F2B846EB694C14F226E8DDC2B5D60D25C0C429D6",
-      "extended_signed_section_aes_key": "5C5A8FC6C4161A47AC7912FB5C1A09E0"
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+      "extended_signed_section_aes_key": "11CB6D2291875E81812922A2887AE240",
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+      "extended_unsigned_section_mic_hmac_key": "91A654B30EA103FA98F8D718D5448C6134E88A38DC7F4405E9226FE09D103315",
+      "key_seed": "1722C3F27160412A258C176A431E13F70A312DCB5253B2ED9AB04F61EE3213D0",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "36BD",
-      "expanded_salt": "5ECD2EA3D400CC97F1734504D58C7BEC"
+      "adv_salt": "3CD8",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "001894EA7AEB53FFB8E3309875D76773",
-      "derived_salt_first_section_first_de": "05092F7C9E781CA76B890E6BC38B70B1",
-      "derived_salt_first_section_third_de": "E6FEA88556616B6BCADA4932C43724D1"
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+      "legacy_metadata_key": "2FEB822C00F6FF7D88055E97015E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "92AC80F491EA6FBD7626729574D568D2",
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-      "extended_signed_section_aes_key": "E93B2186F2DB737F69535FB36E693563"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "3C15C439DED6A0C107636E464C8D143E"
+      "adv_salt": "DA97",
+      "expanded_salt": "921F6C15955EBD06E5D13DA0CBE87FC7"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "FEE83BD080B7A4DCB9E45E0F28D03ECF"
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+      "legacy_metadata_key": "AAA6DE61666679767DED97558E04"
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   },
   {
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+      "derived_salt_first_section_no_de": "C6A80F4A87BC4F2908085B321A6B1D7E",
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-      "extended_signed_section_aes_key": "44D0F95B40CEC30CB510253D8F507A87"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A4B23A8B5EC550964F09865DF13EC48A"
+      "adv_salt": "A4F0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "86B1624E7DBA59CE8E6975777C4FFEC5",
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-      "derived_salt_first_section_third_de": "C94523BE432AE2934E91D90DAAFA8C96"
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+      "legacy_metadata_key": "90660D510E224D7227D7BA124C23"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "3CCF37A9A721CDDF123EF67ED09FA81A",
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+      "section_salt": "7A923EE87F771A9C30F6863B83DB87CC"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "E6C2666BBCA08007A6676D42A447A491"
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+      "key_seed": "55AF6C225EB33220EACD3D7D3A92D6B32C3DF87B0B9BA26010C179F2C261AB3F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5502",
-      "expanded_salt": "D0CDCF341BF790ED537CA6FC4087CF40"
+      "adv_salt": "CFFA",
+      "expanded_salt": "B317FDDFDD33D262B41995B69AC1DC5C"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "6A3087C38D8C66BE8A303CF3AFF40035"
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-      "derived_salt_first_section_no_de": "A05613543859A296814505AF3250588D",
-      "derived_salt_first_section_first_de": "11A1A39BD141B3F290CF96E8DA7622E8",
-      "derived_salt_first_section_third_de": "FA399588609AA03662D2DE8287140956"
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+      "legacy_metadata_key": "615F5900A5B420BD6092414203C4"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B38EAE792B414DC2659F413421B0EAF3",
+      "derived_salt_first_section_third_de": "1BD054235371B0978776762E0DC0E5EF",
+      "section_salt": "B5972AA181788F295963F411E25945EF"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "22B560F609A7143786169939",
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-      "extended_signed_section_aes_key": "FF2566A94E97C46B238C25FEE3A796E7"
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+      "extended_unsigned_section_aes_key": "CB214A1EB73413A1BF931228848444E4",
+      "extended_unsigned_section_mic_hmac_key": "B5FA28AA4E56F81EAF9EBC3106351CFA33208B2045957A466C1744383B4D1C69",
+      "key_seed": "94EE59D92F11A28C32A4B4B6A2C95FDD2FA88FB07FD2B236D2C2028A9899E443",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FB91",
-      "expanded_salt": "075497AF54B052A2D2E6034B8EAD7170"
+      "adv_salt": "62E4",
+      "expanded_salt": "04417EE8C6D26A069E986068A83F4AAA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AD9205794A6E9CCCB3CEFD1B69BC",
-      "expanded_key": "198E0F237C179F13767E545752ADC3C5"
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-      "derived_salt_first_section_no_de": "7423B5F33615D45A6AAF2EB8EBC29D43",
-      "derived_salt_first_section_first_de": "723C176531495BD705072A84D1A4DA91",
-      "derived_salt_first_section_third_de": "32CAC86926004ADBB0466EA51950BBC5"
+      "expanded_key": "4F11894E5EA838E94DEB10CE1345A4B3",
+      "legacy_metadata_key": "42351A81D7A5C155187193031BCC"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "B87DC4E1C4D5CE5DB048194AA4BADE27",
+      "derived_salt_first_section_no_de": "48650F3EAB066D28D1AA5EAE072E7522",
+      "derived_salt_first_section_third_de": "F7845339B7841DEF522BF036397592D0",
+      "section_salt": "255349D7267CB8EAB0B2466ABF948D66"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "9ABC842C18F8826306C9B7728E1141912FAAA61F09AEBD4EC0B30EC0C5EF4697350859EB613F558EAC62F1CE1A099EB34DE9E212CB5B53D7D528BD2F2AADCA39",
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-      "legacy_metadata_iv": "1BE696829593E5C626E05BEB",
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-      "extended_unsigned_section_aes_key": "246F219EBFB4D3ADE1EBF7D85AD4C7EF",
-      "extended_unsigned_section_mic_hmac_key": "FBE04C828C4DE6854286342F75CEEA2D019EE2BEBC592FB619F2115D1C0160FA",
-      "extended_signed_metadata_key_hmac_key": "581FB8D47975EE8F85AAB3B6EE1A92DD7A89F9327B219B9F788D574B363325ED",
-      "extended_signed_section_aes_key": "627EC00BFB0790548C7B4097E0F48747"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A4EC1912AC8FD0F51A6000E0CAA3F873"
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-      "derived_salt_first_section_third_de": "B224143AB226A73B784C4E236DF18A71"
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+      "legacy_metadata_key": "8156A7DE173950E18C7D1087FB49"
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   {
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-      "extended_signed_section_aes_key": "2C7B66D5F6FFFE5B16244996338EBA28"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F91B656B16BCE453104665B648A16A33"
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-      "derived_salt_first_section_third_de": "C9EB2A4086D169BBB4EF75139E5ADE69"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "1C1CFA22D6E9AE12D5F88706DDC840A0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "2616C4D7F7C67C20D89C5ED369F2894A"
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+      "legacy_metadata_key": "EC0F35EEF802DF59027F61434B4C"
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   {
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+      "derived_salt_first_section_no_de": "91A7E07877895AAF492F55D0675EE970",
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+      "section_salt": "FB41EBF88D1E590D4573051C6202B352"
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-      "extended_signed_section_aes_key": "A4D3578206475CB7A7BB6B54F4EFC9EB"
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+      "key_seed": "DA85E8E23C912D3FF17E6386AD1BB200F0739F137E44F6A95B3CA1ECE0B634AB",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "436D",
-      "expanded_salt": "2B7DC0CD0EDAC6933851FB628285114C"
+      "adv_salt": "D3D5",
+      "expanded_salt": "2AA17F5928645FAC5BFD526264EFF80A"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "B189662BE09AF991F2EBB42144B057D3",
-      "derived_salt_first_section_first_de": "C495143F173CF7B7567036EC419060AA",
-      "derived_salt_first_section_third_de": "CF9EB2CBA2EDAA08B63165A15465F9E7"
+      "expanded_key": "32F34D22755FEDACEBB85A038C1B9D68",
+      "legacy_metadata_key": "E8F265D71288B71527DC2046C3E1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1A8881FDA7E6A16EB1D9ACDEC3377F31",
+      "derived_salt_first_section_third_de": "A81690926BF08C9AF69F411C443540B6",
+      "section_salt": "890D04519B2538870AF07CD3DB2F1632"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "3E8C67AD74872525354CD184",
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-      "extended_signed_section_aes_key": "A0E2432FF4A95FEE905657F21644F3B4"
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+      "extended_unsigned_section_aes_key": "C1FDC4B51604748519E1CA3216CBCB67",
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+      "key_seed": "1F536F5BDB3A86B7C77B05EC6DDC49BD2F12F3BD3FBF3AF746B0749D021CC2BE",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3C9E",
-      "expanded_salt": "630A3729010C5FEE02A5561EA4E85B1E"
+      "adv_salt": "6696",
+      "expanded_salt": "29F2FBA97A8A0F519A9360098991096B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "75B17693BD2B31916688E9A0446C",
-      "expanded_key": "03BA2E3DC467A691A805C776DB11A15E"
-    },
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-      "derived_salt_no_section_no_de": "AF5085A82CA3C7A54FE600F087B2EAB8",
-      "derived_salt_first_section_no_de": "38525B98CE3E4F67D58591121F8B41F8",
-      "derived_salt_first_section_first_de": "237153ADF278F12B26BEBECCF1475063",
-      "derived_salt_first_section_third_de": "A483A7D5F36D876F689620AFB31EA7F5"
+      "expanded_key": "4D6F7513AE6D39390C42B2189189400F",
+      "legacy_metadata_key": "C06C9B9BD44F33B406F9B33CCAE0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "2FC46ADD647AF2249628A6CA2703CE5F",
+      "derived_salt_first_section_no_de": "A62E23A5B5BC04A5A9CC40C23F38A9E7",
+      "derived_salt_first_section_third_de": "4FD1EF87E5308A505D0F7E54A35B456C",
+      "section_salt": "42A47739A965716FEF99992FC040963E"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F39657A6770F8D7334AB04FA",
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-      "derived_salt_first_section_third_de": "52584E430D6792A38E279F6C1E368C04"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "2E8BC75BD7AE8310E90D0CE8BF1C7D89"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "CE9BC3E74A3A2F4293686B61EFE9F086"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "89C49CDCE1FDC6F026605867A046569B"
+      "adv_salt": "4AE1",
+      "expanded_salt": "9AB0A0F735586F3BEFB3A5D8AF20CE90"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "99630DE4DA4B603E7D7452DEA9BF3047"
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+      "legacy_metadata_key": "08AF728449CA70AD86ECC3888E29"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "353B0AB7A1BC75F2B63398A941F2481A",
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+      "section_salt": "4F4C87836626E6C0ECFFE07474FE232F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "CAA5BD4E491A59D2F11BC5BCACCB2D64"
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+      "key_seed": "32C7E59A7CC5729025629CE1A3EE8BEA6E1F7DF67A2EA7E4DE46B63E5E5B16BD",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F6CE",
-      "expanded_salt": "A32341ECDC9205226CDF7255E1770F21"
+      "adv_salt": "D109",
+      "expanded_salt": "3B8734A30F479717F235A01267434721"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4F4F9716C11FF5CB9F1A0DC49893",
-      "expanded_key": "46C59AAA45B556259C09A86C52039C44"
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-      "derived_salt_no_section_no_de": "677C11E788E3FB270B80126E26935DCE",
-      "derived_salt_first_section_no_de": "B6E079DE5044D704E00F85A24EE4C5B1",
-      "derived_salt_first_section_first_de": "B5020D1AB80378CA9614BBCBCC9CC4D2",
-      "derived_salt_first_section_third_de": "0781921201EB0C0C94464AC746299898"
+      "expanded_key": "4576BEB7B886404F5E4FD4938F59C976",
+      "legacy_metadata_key": "248D2A691BCDF3419B477C3EACE1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "8A599724336EE16B53EE0C52E022C363",
+      "derived_salt_first_section_no_de": "F86F27FC9CA5AEB4FF2FDA7ABA91E5D7",
+      "derived_salt_first_section_third_de": "9CB6DFD55021F24C09A52955B7B56785",
+      "section_salt": "E0CA97567F02993271F2B0FA78AE7060"
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-      "derived_salt_first_section_third_de": "30E0C347C534F900CBB62991CA5F3B6C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E391039425806F37EB9520476B5487FB"
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-      "derived_salt_first_section_third_de": "83FB5F258D791BAA66C425D9B99DD7F0"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CE63A8E9AE68B1657400390A5889431F"
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-      "derived_salt_first_section_third_de": "32750796FFB5B49654E6B954F4F1CE95"
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+      "legacy_metadata_key": "E579734559F013E942862BF81B20"
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   {
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-      "extended_signed_section_aes_key": "93DAE193B79D2F39BAEDA5526619194A"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A8A97F798ABE27B474A14E49EA639815"
+      "adv_salt": "4533",
+      "expanded_salt": "868AAD700E23CBF2BD0112D809FE0365"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "402BA5DC580F55419B7135BC706DA30C"
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+      "legacy_metadata_key": "945D49A0AEF059C8DBBF5C720DCB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2CBE425D9E1E557304D008079F1411CC",
+      "derived_salt_first_section_third_de": "2B646062728ECE3DB16DD83C95E21721",
+      "section_salt": "94433FDBF7026CA5542229756B782EA8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "4C3F9BEBDBC0CC4E5DC879E037AE149A"
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+      "extended_unsigned_section_mic_hmac_key": "F882F3CC447165A64E51180AE5319FEB03CF84855A95D6FDFCE2B85F281E69A1",
+      "key_seed": "8A24FA94BEA58F7CF7D74A0EF7F9C248F43E2AE573C9F6F2BCAB12371CA823C9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5EA8",
-      "expanded_salt": "90E8255E0EDDEFC45DC62E3E3F5B2AA1"
+      "adv_salt": "94F3",
+      "expanded_salt": "60DC42CE7D0675190153C3043D47B26B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E48DAE871114355BE6449E24B232",
-      "expanded_key": "BE044F76C88EDB1BE46D00D3891CB3AC"
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-      "derived_salt_no_section_no_de": "0D6B76B2C66CF2C5EEBDECE8799146CE",
-      "derived_salt_first_section_no_de": "288D0101E458D3F72055CC0D9D12B43F",
-      "derived_salt_first_section_first_de": "2212535EB2E44183181CAAA1290F50E1",
-      "derived_salt_first_section_third_de": "A3B94A435DD54E1FF924BD5A6F8CD592"
+      "expanded_key": "DF4EF685243D149C2AD90F7CAC5AB3B1",
+      "legacy_metadata_key": "B4E9B3FF2B9483B7E7915406DBE1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "C905CA3330A70D82E042E4B308E86395",
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-      "derived_salt_first_section_third_de": "09A5F3EF7809BFD346E1604379CBF13C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "527B7FCEC34BC9EFEBEAC2BB478DE7BD"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EE37",
-      "expanded_salt": "7FE346B612DB5C761F2705BB6CDA1359"
+      "adv_salt": "34BA",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "4C09E3B38820E69783AD4F70E2C98778"
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+      "legacy_metadata_key": "2E46F037B961C6A345A12759B1DC"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4CC0F3F81F4E42C5C8DEA1B8624FF18B",
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "AAF1DC32F0F1CBEC5EFF19C9081B0FCA"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2871",
-      "expanded_salt": "C2061794886EC7215AD41351C1FC38B0"
+      "adv_salt": "BBE6",
+      "expanded_salt": "46ECC68C1F41C054F8ED36A2E81194A5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "FB78943B50AA0CB83F66D2CC07BB8F74",
-      "derived_salt_first_section_first_de": "479534CE409DB78A32FCAFC2B5E39A78",
-      "derived_salt_first_section_third_de": "5DE07E956931049F46BBD2C57D1AAFDE"
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+      "legacy_metadata_key": "9DE43CBC608C160B907E6560F2EE"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5B32D9E0344E0C13231339548B57BEC4",
+      "derived_salt_first_section_third_de": "A9C38BC95B917813AC05684807B268AA",
+      "section_salt": "0A52804CE390B1C0C1F5041A28A79A05"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "13249E7CB36A795A69356D1D",
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-      "extended_signed_section_aes_key": "682AF3282E462BCC249E13132455C8E3"
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+      "extended_signed_metadata_key_hmac_key": "61CD522F70904275809622D57F62D66AE04AE30273398EBE35E7ED1740107E35",
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+      "extended_unsigned_metadata_key_hmac_key": "FD08BFEC2DB31543026FE4B84E2378F529148C142175EBF76B4C5E2B916CA5CE",
+      "extended_unsigned_section_aes_key": "F28D0B8B8F9891F7616AEF4F15814D28",
+      "extended_unsigned_section_mic_hmac_key": "38802A95EB80DBF4259564B68077DE7DD2BAC212822222A440186F0F662441E3",
+      "key_seed": "D692C19FD6CF38F2FCA63D9AFE1BC00D2C4A9807E3BD538DD7BFC4F4BC99F94E",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A7B5",
-      "expanded_salt": "88921DD2CA731CE623BFD79ACF4D5A06"
+      "adv_salt": "88C4",
+      "expanded_salt": "6C20F2C05795DD573CDBAC72CD27FD68"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "699ED405D2C8D6EFFC7964D5A645",
-      "expanded_key": "0E701D323A1E37948A5B052A646513A1"
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-      "derived_salt_first_section_no_de": "A0577F5EEA388E58AE1A55004EF947DA",
-      "derived_salt_first_section_first_de": "BF9E2D6C8D57E646B1B3FE945A2E9531",
-      "derived_salt_first_section_third_de": "2234DE287A5DE20B14E00C3473298D71"
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+      "legacy_metadata_key": "51488CC58298DD21076A6541C779"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "01FCCEB4D52442257A4B3055262BCA2A",
+      "derived_salt_first_section_third_de": "DDCD3609E1BD5FB0F23839A8CDDF87EF",
+      "section_salt": "C5AEB75514D3580E06EB5AD9C95A6902"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "24E8B6773E20729952343448",
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-      "extended_signed_metadata_key_hmac_key": "F9922C7601519A502AA2946258CB95F9174AF41A9387E5700AF031D47BF645F1",
-      "extended_signed_section_aes_key": "B02EB6AF40FFAEC3206E2E8C5C833791"
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+      "extended_signed_section_aes_key": "1755484CCA789A4F184FBBE27B85FB5C",
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+      "extended_unsigned_section_aes_key": "B67C8923410F093D6F3A8F525FC240D3",
+      "extended_unsigned_section_mic_hmac_key": "E584DEA5DDFF6AA25B39682330A0CAE7573DEEF5011813802001D0E1DA5526D4",
+      "key_seed": "FE8EF7D1844F066BFD85BEA5EC6EC09A7C8392F8146E5C76CEEE6B28D98B68B2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "075E",
-      "expanded_salt": "24F9B72F02EA1BFEC3AB678739B87093"
+      "adv_salt": "D9C0",
+      "expanded_salt": "ADF50475B21A9D25A5E7203AE83FF5C1"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "680F16B7DF1F32E4C89F0AFFEC97C39C",
-      "derived_salt_first_section_first_de": "06E3971FBBA70DFD4901948BE3475D9A",
-      "derived_salt_first_section_third_de": "D1457A19819EFBE120A62C779457ECF1"
+      "expanded_key": "7885EA3C893CBAF0FA002EFF2ACEEAD3",
+      "legacy_metadata_key": "1E75CF4A50D5CD319014C4189256"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F062E8C8705912B0886DE6013BB0FD7B",
+      "derived_salt_first_section_third_de": "148795D2AB21CDF782E2BFDE93580EE4",
+      "section_salt": "5CA9518427035852E597FDFD9674662C"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E99D2448B17B19AAED21A943",
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-      "extended_signed_section_aes_key": "DD8E100B4D875D6C62C4EE8296131864"
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+      "extended_signed_section_aes_key": "5DB50B44B902F8EFE098AD5CD974BC3D",
+      "extended_unsigned_metadata_key_hmac_key": "86BD565EAD78657B5E6638094169B9CC35054E5FE18A42464D73747816020E47",
+      "extended_unsigned_section_aes_key": "1BE4F40DD99FE29B91C7F52E8070E56B",
+      "extended_unsigned_section_mic_hmac_key": "06DA96DCEDB0428192B13E71B7243AC38B53882F391FA06F8EB1BEFF75C1DB1D",
+      "key_seed": "25A191D3760FD0F5E3FECE0FCA3245CA64C3395F925BC1CBC6C8A1703D8E0BB5",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B641",
-      "expanded_salt": "D010E18CFF5C213BA307E048CC82096A"
+      "adv_salt": "652C",
+      "expanded_salt": "83D30387FCB9A9AE1251BC8B4AC9F15D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "948BB05F4ABBFA6C4E653805075F",
-      "expanded_key": "F8D5B99CE83B053BC523C3CFBDECD0D1"
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-      "derived_salt_first_section_no_de": "E00B1E34D64BA977778D16F45C766445",
-      "derived_salt_first_section_first_de": "9DFD74029B3C4B884C29352D10DB33DF",
-      "derived_salt_first_section_third_de": "9DC81FB9EAA33682F508F405A280DEB4"
+      "expanded_key": "6B67ECD360F0F2ED758ADE07DA296ED8",
+      "legacy_metadata_key": "208F2749CFE2E7678F82DF223084"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DDAF9472DA85E50A78E068817184F078",
+      "derived_salt_first_section_third_de": "16C749E1B39DCBBCEA3643B12E4A5EA5",
+      "section_salt": "8DEDF76297B26CB43B5729BEE34005AC"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "011E9A4BAD5394DBB7E1DBB7",
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-      "extended_signed_section_aes_key": "A30BD5D59F32DA87D8477A2377FE5357"
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+      "extended_signed_metadata_key_hmac_key": "0999B8CB7840CF25C3879A3EA876F5915517B9E95C4628395DADCC4075DD770E",
+      "extended_signed_section_aes_key": "5A3B57A960D7072AC522DC78CBE63E9D",
+      "extended_unsigned_metadata_key_hmac_key": "68578A0361160B8DD83B1143982504AB33FB3676DD094B3EC9CEEA6E70288561",
+      "extended_unsigned_section_aes_key": "582221808EBEFE5CF94460C960634C1A",
+      "extended_unsigned_section_mic_hmac_key": "9388ADA8A2524CE1950CDBEEAA465C20B534DFD70622E83F7978F2D211379D6C",
+      "key_seed": "4B8CBA389377280C7B3F06F919266E12692F3EF888DB06A7C2CC5491B3C40471",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F526",
-      "expanded_salt": "CFABFB7254D51F36A0DE3BBB2BEEB417"
+      "adv_salt": "F8F9",
+      "expanded_salt": "1E7F23A919256D21F55385A1ACD66CAF"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1059268A32DD5E9110AC76E82982",
-      "expanded_key": "DBBCE9A0FDCC2AAF80C6E0D7558EF513"
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-      "derived_salt_first_section_no_de": "E44F8D31275E1097BA1FF9B993F464F0",
-      "derived_salt_first_section_first_de": "3E06D86A8B2B6D2EC127782F59A574D4",
-      "derived_salt_first_section_third_de": "1E242963E8B1939C1BB730C19840CF67"
+      "expanded_key": "041AC8D105F5D65FFD0EDFFA4ED1F741",
+      "legacy_metadata_key": "3C7599C5FFFD5D98CB240C4BB0D3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "4DE4D75E4DDEB7E03CEE15E0B6972D11",
+      "derived_salt_first_section_third_de": "05F116847E1675A6581BA03F592BA58D",
+      "section_salt": "3B34EE7EB6651BD2A22EC856544B7966"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "620C2C58BD1413BF7464DCAB",
-      "extended_metadata_iv": "F8548D589CC3D07C43EC1030",
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-      "extended_unsigned_section_aes_key": "1CBAC88D77AE176F6731786B561F7371",
-      "extended_unsigned_section_mic_hmac_key": "E6B8B752F69CF80F9E1F94E5D886ECE6CF47780420A338E48321FC54A1F837D1",
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-      "extended_signed_section_aes_key": "71E24195997AE364D2F353AF6BBFBE83"
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+      "extended_signed_metadata_key_hmac_key": "848A828A22A9F9F6959CAAD11CD264A76B660A42EA7AE823B1EE8D18CCA59623",
+      "extended_signed_section_aes_key": "B4330E1F880112CEF9BB3DF723CF0DC1",
+      "extended_unsigned_metadata_key_hmac_key": "75753D00BF99CA81D7E3F11734F6089ABA3951A5BE906F18B3DF7F430BE4E9B3",
+      "extended_unsigned_section_aes_key": "4918638C7EEAAFA551DBCC7DD735F4E0",
+      "extended_unsigned_section_mic_hmac_key": "9C0484B681F7F4523B1E5FB189775D11BE6D40C0E047308CB2D321B4A1AB110C",
+      "key_seed": "BA9B6117EEB81A8BB9127DE87E66842FB36132507922EF6E0E9296D926ED500A",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5A66",
-      "expanded_salt": "BDADF9E7D39D39DD774BF355F37763AE"
+      "adv_salt": "C188",
+      "expanded_salt": "D15E7BF1627689AA45E32AA51DEE49A6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6C8E0F9B8E0440C3113E8631D429",
-      "expanded_key": "4D2EF8540AC2E228CABB7DAC3A404ED9"
-    },
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-      "derived_salt_no_section_no_de": "D902B5E28603CEBD2791C9F4A7060A07",
-      "derived_salt_first_section_no_de": "10A90E0F65BC48667F6B2873D6878970",
-      "derived_salt_first_section_first_de": "BEBB25C86C7923D07DF60C2BA1FE0D70",
-      "derived_salt_first_section_third_de": "31BEF82C7FD9FC4BD2E3EF1DD089CD80"
+      "expanded_key": "3BA1FEC2D8B5F207AA558A57E1D61612",
+      "legacy_metadata_key": "75057839CF9FB4608E56F8E6669C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "800ADA1764C9338C1E13A6EED3F936A9",
+      "derived_salt_first_section_no_de": "AD7CE6E4D232F347679191AAFD81AF1D",
+      "derived_salt_first_section_third_de": "105900C7B5E129FFD7D1376547B2DCF4",
+      "section_salt": "0A2787A76FC4395C5B84DBA6706B9D25"
+    },
     "key_seed_hkdf": {
-      "key_seed": "DB8E54A879C641EB9C55A7828E2FAE674A9A09BAD7D9FEDB6F56E830B6274BEF",
-      "legacy_ldt_key": "8AF78702161CCF1BBB3C66A4AC555856E3542B3E9BB0505F5AF3D26BC2FC15753A5BC447F2A4537E521F0B1E2AA0B021EC6E6A69C0F405FE7F10BC8655E294F1",
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-      "legacy_metadata_iv": "F44C81117753E82DD8126878",
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-      "extended_unsigned_metadata_key_hmac_key": "0D67AC4AA65D02026061AAA37DFEAF5E3BF83E7AF11E09D9317B02701EC2A26E",
-      "extended_unsigned_section_aes_key": "2CF670AE991AE138E4D4C435AEE156A6",
-      "extended_unsigned_section_mic_hmac_key": "77FB5CAED9ADDCE6864316A201EEB802F7F78A42B8AC328E87F69F90D65EF8BD",
-      "extended_signed_metadata_key_hmac_key": "8D41F95DCD20B54F7513E339BF30BD0FB8A0DEED56FAB5B55A72035B640B29EF",
-      "extended_signed_section_aes_key": "DF3106467CC743DDA3AE5F55B54BCE15"
+      "extended_metadata_iv": "777CFD816AD9B31738E3618E",
+      "extended_signed_metadata_key_hmac_key": "A0A6293CA1A3B67970CB3D3FD540D3624A3896324DB6AF62C6018ADFE24EED5C",
+      "extended_signed_section_aes_key": "815E7F0035908DE18CEC3FFC1CE219AC",
+      "extended_unsigned_metadata_key_hmac_key": "44E86B0E9AD0051BB8529B290497730CB9BB1C9162F254705F9C7D02885F8B5E",
+      "extended_unsigned_section_aes_key": "DC01DA65910DD5719B78E45D12496E94",
+      "extended_unsigned_section_mic_hmac_key": "C24DB5228585BE55F807E9C2300BB03A4D03A115F174AAFE98C6121CACCB49E3",
+      "key_seed": "044E562CC400C5AF656FDE217E18FE926D94CCA99DCD45F994C367CE1DD67A32",
+      "legacy_ldt_key": "17D87FA699033B6C9227E68A0390CDB94BFED2608A6D712F56DB2CACED5B81536D270E677433B50ACD6FFD44C42E4E4B8122E8E523AFA4C0F2F880AB2FA19F0C",
+      "legacy_metadata_iv": "7F6DFD5D220C676EF5B18792",
+      "legacy_metadata_key_hmac_key": "8901B4424240245D518A1B71102F2EF7124BA7D4628D22D9948465FC24CA5667"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C7EB",
-      "expanded_salt": "799C7A00BE6EDE5E8FF50272F8030E7C"
+      "adv_salt": "4BB2",
+      "expanded_salt": "C0AC0EA17A064A49E4D4B9D0272319E6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "65F9BA4C9C36A76F572A359B2801",
-      "expanded_key": "880366E2B971D9EB195783BD4648C949"
-    },
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-      "derived_salt_first_section_first_de": "D8028AAAADCC0A9DCE11C700B04C36A6",
-      "derived_salt_first_section_third_de": "7B29417686BCFF5343ACCFD9A1A1D118"
+      "expanded_key": "73E823D2606C7E047FA52736CB16E594",
+      "legacy_metadata_key": "1191096EFA7046D81A70DB244DF4"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "63BA9C3F48392970DD89713EA61CE246",
+      "derived_salt_first_section_third_de": "99603C6CB1CAC5418595DACDF1C0CADC",
+      "section_salt": "D88CA4876522CC48F23C5592DE832352"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "D8A65F7047DC79D3ABF9287E",
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-      "extended_signed_section_aes_key": "655A2B93D04ECE9ACFDF94297252C778"
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+      "extended_unsigned_metadata_key_hmac_key": "45418CFE766E44578997044085812447EAC52283242857DD7AC46ED0D3ED60D1",
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+      "extended_unsigned_section_mic_hmac_key": "2E693B831F354F6D30121A4AEE1CC94E622E0059197114CD041264DA05FCBB9F",
+      "key_seed": "D6163238DD52189D06E7645E77516C25D201A058CA0DCA888D2AF1B82A6956F9",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "FE1442EC40EBD24A142E4F4ACBB2C621"
+      "adv_salt": "635D",
+      "expanded_salt": "8B48D816C8A5EC527CF07C00B61B467F"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "9C825F088F2AE69B337A23623D07",
-      "expanded_key": "6A744642A2145F66B2AB2F84CBB32946"
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-      "derived_salt_first_section_no_de": "51DC849FB4021F83DB1ABA0CD1D0F421",
-      "derived_salt_first_section_first_de": "F6E798692E454B918BA03DC84CAAF103",
-      "derived_salt_first_section_third_de": "45443DF819210A44CF138BFD1EB13209"
+      "expanded_key": "AC46A1061821A4BDCB58821000C13E1B",
+      "legacy_metadata_key": "2A870326D260E6B70ABA691B18E0"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "EEA8C729B4965B572F883C32C110D0BF",
+      "derived_salt_first_section_third_de": "3A6FD1432A1ABBEFA98A03F5ED51367E",
+      "section_salt": "A89BC2095E005BF6A6359A5C4ACCC54A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "132CD97968AD4FB18434736FC2F400A3"
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+      "extended_signed_section_aes_key": "409D62657D4A8F09F55F2A44EA8A3DA6",
+      "extended_unsigned_metadata_key_hmac_key": "FEBBC396ED68F3A50F92DDF92014BD8A987F7B5D5F23A27E4F7E0FADD1B6965A",
+      "extended_unsigned_section_aes_key": "982D61F8E3268A22FA2612A0E768245C",
+      "extended_unsigned_section_mic_hmac_key": "A35CCDC2E85D3371454C578BEE5E087C201059809E3358DF76F23014FBE57F86",
+      "key_seed": "E2B400633CE4814AE15BC3D13FB30748A8D246EA7EF9E117659BFB538335A0D9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5726",
-      "expanded_salt": "4A44CC74C58974350BDC47452F10C404"
+      "adv_salt": "86E2",
+      "expanded_salt": "512B601972CDD157C3B4077FE3C33FA4"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "29A4261B2700C790C36B75FBE715",
-      "expanded_key": "12DD270DF921E48B7087C84A43339A16"
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-      "derived_salt_first_section_no_de": "7B1991143CE2D3BF68167DEDE26937AF",
-      "derived_salt_first_section_first_de": "B86C072578A03B9EF6084F8087E0545E",
-      "derived_salt_first_section_third_de": "6995E9C14EAE28BF5AA463FBDB277621"
+      "expanded_key": "D54C5F02155741DD1D0351334585326F",
+      "legacy_metadata_key": "35C08B85F01E7FBE79A44FCDDF08"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B7137633ABCC3353FEE02A3762150ED6",
+      "derived_salt_first_section_third_de": "12D5E9E8AEBB24F1C3BDEEB0DC825174",
+      "section_salt": "81D3D0E1A15C1324DAC6730EA8B0F32F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "215E02FD82396FE1933E437D",
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-      "extended_unsigned_section_aes_key": "92D92EB8C8B4F08C98F5377DAFC22D87",
-      "extended_unsigned_section_mic_hmac_key": "F4DE2C3B11B2102AC3BDA62903AD12503FC6C54E6860C7067382587AEA79B753",
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-      "extended_signed_section_aes_key": "523C234DF6C26201835208AC4C21785A"
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+      "extended_signed_section_aes_key": "93BEA2FF9FCBBDB4C3BA77373A89BD1E",
+      "extended_unsigned_metadata_key_hmac_key": "5773D793BF53107254C121724B817716A839BC90DC4E0D204479982BB6C619BA",
+      "extended_unsigned_section_aes_key": "1BDBE724DF9AF6DB9A8C3450E8D9C20F",
+      "extended_unsigned_section_mic_hmac_key": "C70B1A64196EDC0BDDC6AC5F877B3A747D525022C8419653DD3215B0B5CCE5EF",
+      "key_seed": "C472B5315F9E83C58438296F3FA069D26BA2964B0D1D94BD2E43E16416ABE0A0",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "32DB",
-      "expanded_salt": "EDDF7E608E7CD69659369713CD712B35"
+      "adv_salt": "A07E",
+      "expanded_salt": "8ED257F411EA0905E466E6DBD0CEB08F"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "53BF9101DF09078FE5B01624C7EC",
-      "expanded_key": "24370758E0630BB8C42307AD67DE738F"
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-      "derived_salt_first_section_no_de": "3B620379F4DE9E6793CE2321CCF68ECA",
-      "derived_salt_first_section_first_de": "1BD1140C62E9A14E26802C4A3DED1C72",
-      "derived_salt_first_section_third_de": "1D962973BFB2A0E9970696113929F8F2"
+      "expanded_key": "84E57AC53FF314D6C947D3AA55EF3493",
+      "legacy_metadata_key": "E2437592DD0A4FACEB45D1AFF7D0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "20A81FF9FA1B84CA58DAAFEB1DE4C13B",
+      "derived_salt_first_section_no_de": "A818BBECB0F5CC6323FCA1AEF6DA7F2E",
+      "derived_salt_first_section_third_de": "016BD4A04DC55F386CB3226EC5BAEFB5",
+      "section_salt": "FADD3D3FB9E2972D3ADA31BD11921819"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "FAB3B1D73FE891C4527C6168",
-      "extended_metadata_iv": "9E4A7382D7AC3D3522D6BE66",
-      "extended_unsigned_metadata_key_hmac_key": "FFB5E77FB18AA31445667878E149E85197F190DDCF58230462A4EB00BE568741",
-      "extended_unsigned_section_aes_key": "D9DFC9944B5E096CC68052C35464CBC6",
-      "extended_unsigned_section_mic_hmac_key": "7D11BBBF6A9FC6A4EF8E915B7EB2404FB1D7FEFB7FD1A6C75622E77E57864404",
-      "extended_signed_metadata_key_hmac_key": "5BCD067CA043F62466A8B6E15C68993D52B03A375E0BADFEE939BC2C28C9FBC6",
-      "extended_signed_section_aes_key": "079C2CCFA0DE8E35A068C8945E84C6B3"
+      "extended_metadata_iv": "670C563BF753D189295D8F48",
+      "extended_signed_metadata_key_hmac_key": "42CA8EA3541C3022F3B3054CA75D5E44F3D9574133E96F6D1F89B1CA14B73292",
+      "extended_signed_section_aes_key": "0A7E07A33D527953609C6682F8DCC209",
+      "extended_unsigned_metadata_key_hmac_key": "812C2AB3B24F68A677D98C727282777CA834BA644C459C4F436AAF3955B2EDA2",
+      "extended_unsigned_section_aes_key": "00458F576F0EDEE98C636AD6A9E90E8D",
+      "extended_unsigned_section_mic_hmac_key": "DE99A547E4BF6A465BD314284BE50F7F8D85F8E09B6F6E0A1054D8EA6204B0E9",
+      "key_seed": "274C28428ABBB1AB505D58D781B99E74563499C84656BE972EDC616A7BBED271",
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+      "legacy_metadata_key_hmac_key": "1D6DA949BB818B9B067123D794E750CB6E16174E0AB3E365A08FF644818F454A"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2FCB",
-      "expanded_salt": "6F2331144410B6E145BC8514CF29FDA4"
+      "adv_salt": "3E23",
+      "expanded_salt": "E5B7E11D693D0E5F548376204224F40C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "192345151A61472485DF0870487D",
-      "expanded_key": "1D76E4F996D8D0227E008A86D414921D"
-    },
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-      "derived_salt_no_section_no_de": "13E0F8A504F5D55E61A8168E01F507C5",
-      "derived_salt_first_section_no_de": "568FFEE91CB264E710236B0890B1C1C3",
-      "derived_salt_first_section_first_de": "23995F48FE8ED5485FEF962B613EDE70",
-      "derived_salt_first_section_third_de": "B11E74C490BA804B1012D9249206C84D"
+      "expanded_key": "9CF8601570E103BBDD46B0CB4177EAD5",
+      "legacy_metadata_key": "E085C9148D7EACFCF0B79ECF6C1A"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "64381601DBADE1F144920081F18834F0",
+      "derived_salt_first_section_no_de": "AF398CDA15A4A3C347C44DA84C45E2D8",
+      "derived_salt_first_section_third_de": "37757992796F1544AA91955EFA5DF1A8",
+      "section_salt": "CD89F8D413CA578D18D35DB96FEEE13C"
+    },
     "key_seed_hkdf": {
-      "key_seed": "8324E218AD270A654AB2BDE74091723FE3585EA8F93563366E0E1D8CED05B089",
-      "legacy_ldt_key": "F7E37C9D727DF14E6B324AA6D9970C333BB0E29118B3D9D289CA386B745CD00229075F1EB01FBB792DED94CF4AED3778D4C83EBEE1D69A06C808504BC370DD3F",
-      "legacy_metadata_key_hmac_key": "2A066A59D800E2FD46372ACC351E67CB171E01FEC0BBB2DF6DA12FAB5832A3FA",
-      "legacy_metadata_iv": "1892C4FE0CA730B56756E854",
-      "extended_metadata_iv": "46EE1E81AEB88488BBF1BAD4",
-      "extended_unsigned_metadata_key_hmac_key": "1C361980C07FF211AC6F0ABC50DFFBC6FD13329FAA253FC8C204D699AA6723FB",
-      "extended_unsigned_section_aes_key": "CA60B578798D4E90C4D19F5BBECC22E2",
-      "extended_unsigned_section_mic_hmac_key": "843923192E853D4ABB51A885B778B7C3A2B7E20ED0D5A49B55CD1B9E9F501A45",
-      "extended_signed_metadata_key_hmac_key": "E25C87A94326AC0346D4F03A80BD4B3ED8405086E77BAF06BEBDB13EFD945C1C",
-      "extended_signed_section_aes_key": "EA3F34B853C57BA2889071F684004F27"
+      "extended_metadata_iv": "DED9C385234F17A7FE1DB625",
+      "extended_signed_metadata_key_hmac_key": "BE983B11E92E51859E12DA2AAC69C4A08605B02BEDDF2BEDE58455524772480A",
+      "extended_signed_section_aes_key": "5A07A9A2D6325DE985ABCB84B4BF2018",
+      "extended_unsigned_metadata_key_hmac_key": "6BDEEC89709A53D33704C74DB2F72950E8D0DEEB2A7C02374B327B41D766A69A",
+      "extended_unsigned_section_aes_key": "24A23D63B6495D00E8F9F6E9424AD035",
+      "extended_unsigned_section_mic_hmac_key": "99C11BC85D67DB35131649D0971AAB8ED202BDC4DFF9AE89824CEE603FA79DED",
+      "key_seed": "DB8E4A84D723DF60C03BDF678A323B777520165B33E7894DC0DEF3255418FFBC",
+      "legacy_ldt_key": "A52BE2BCFCC0221E565634269C244A833A6FBE75544D4411C58D490DF810CBBA8F42D5A876985C06FBD305E1721E00DB57A64803B9E0F92CC1AAD891DC082D4D",
+      "legacy_metadata_iv": "F1598340A026C30F7F8345B0",
+      "legacy_metadata_key_hmac_key": "956A81D18BDA481E1E16DCE33236BE02DF65904D80A99B801AAAD34FBFE2ADF2"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B6AD",
-      "expanded_salt": "4E4D446B83F0927CB31FCEC81EF9FD59"
+      "adv_salt": "7C1C",
+      "expanded_salt": "28C52A72730EF46A6F8FA32EC925BF5D"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "BD943812069221C8F98B3780DA66D1FE"
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+      "legacy_metadata_key": "3DD7668A4B00AA9A91AD59EC35BB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "176961814704C1E9F2275C0ED91B5EB2",
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-      "extended_signed_section_aes_key": "C93603966DC69038F8A58DB359E9C53D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5C213A1AAFB6D94A66D92C30D2D79CBE"
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-      "derived_salt_first_section_third_de": "45B9B5872DDACA4D28FCF0595A32527B"
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+      "legacy_metadata_key": "8354C290D8E88C885655ADF49C73"
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   {
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-      "extended_signed_section_aes_key": "DE871E8CEB597590094D616256E9F038"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CB0510955F7201084F56A289F86A2CDD"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "B66375F87EE3E4A48C54B7256D102C2E"
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+      "legacy_metadata_key": "FDE0B59E9B81FAA6B9C04BA5C0EA"
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   {
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+      "section_salt": "F5EEAF3AE7E976F11EFC868615F796DE"
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-      "extended_signed_section_aes_key": "7E3573B68725685B7CC61723E4E526AC"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E9C0",
-      "expanded_salt": "8033095D425C52928A2DBC53F2EB657D"
+      "adv_salt": "BFE1",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C323A69264D27A85BE29242C07D2F6D0"
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+      "legacy_metadata_key": "D3B1148A96122CA40BD2AAE9F504"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "28FA9DE5DD61764FFBDFDC5D8E7E289C",
+      "derived_salt_first_section_third_de": "94956D2AAA934B4A123D3BC6EAB692A1",
+      "section_salt": "18CC5CE57AD00294DCC0AEE712A2537C"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "422DC33C72CA3BFE892BB0644324B2C4"
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+      "extended_unsigned_section_aes_key": "E90139D2E2728CEA70000F9C945C7563",
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+      "key_seed": "C35587EF4D78895F6B5B3950D9CD21EDBF8D9D2704B59D75E9782243D74E5D6F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FEDC",
-      "expanded_salt": "1C60AC43887175E9D9762F00C794A7EE"
+      "adv_salt": "AF97",
+      "expanded_salt": "B1A14B451CE3E79F598B2F1941579B57"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7439522A5D1C4C709660DAC2F0EE",
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-      "derived_salt_first_section_no_de": "79E3565160EADA11F1C8A5E2A1CFFAA0",
-      "derived_salt_first_section_first_de": "473E81AE61A8430CE0699AD2C1A32FB4",
-      "derived_salt_first_section_third_de": "C0E85FEC345FC1B83A9FF88A674DD3F8"
+      "expanded_key": "3BAE29F48ADBCB7DA257D8E5EEE7D303",
+      "legacy_metadata_key": "9BA5EA076519E89120F05BBDBD4A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0EACEB628F3293CCE3D68A3ED040536F",
+      "derived_salt_first_section_third_de": "37DE26FA90C2C650FDD12350C8408121",
+      "section_salt": "6E74D1772C64427FF783B9F2830CBA8A"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "D70A76D7CFA2BBAE060C05FD1D3A5C350ADD85C8BF8374333F30E01E4E2F0363E461A95FB3C7729D3188A9023001E4A7267A255E2915626D4FEBBC01D0620F6D",
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-      "legacy_metadata_iv": "39C2344ABFA80F89803BA4FA",
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-      "extended_unsigned_section_aes_key": "A68793C309D00FEDAA5EF4255F7B102B",
-      "extended_unsigned_section_mic_hmac_key": "A142C36E4D1821EB8328E292B8887ACF112559DB71A8AB0A50C5EFBB56D0259E",
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-      "extended_signed_section_aes_key": "72FD53367C65469914F9FBB2A4CB4EEF"
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+      "extended_signed_metadata_key_hmac_key": "991847FB9A04E46426A0AD6487DFF73D8876F15C563660DB847237786B4B3247",
+      "extended_signed_section_aes_key": "EA2EF02DCCC21833B0D3078A7F12F5F6",
+      "extended_unsigned_metadata_key_hmac_key": "0F81C189B255A6A7EF2368956F87713EDFB579BE9F13C473C47BCEEECDC217D4",
+      "extended_unsigned_section_aes_key": "2E62F2C3BDC5A52BA1A55EACF1F76B4B",
+      "extended_unsigned_section_mic_hmac_key": "2752782BE3F177E213E22CA8AD892524921716F3BC1B48B9EB11229468EFC266",
+      "key_seed": "F8095078D7AEEC4D00F68872A855CAD1A322EFB77EA25B4DF82102B05E06753A",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CBDD",
-      "expanded_salt": "1732D56083DA2246D56682517A2C2051"
+      "adv_salt": "30A5",
+      "expanded_salt": "E2438FBD1F6E0A3B366FE29D38C4777E"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "1CCE3803B2CB803171049338F7802D74"
-    },
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-      "derived_salt_first_section_no_de": "130B522C7202FC25549888C6566FBD0A",
-      "derived_salt_first_section_first_de": "7499EA501E7C47DD244214190A1DA756",
-      "derived_salt_first_section_third_de": "288600A87591D70CDE5026CADBC5B3DB"
+      "expanded_key": "80E4FE9746D0251E10F41B8CE736109C",
+      "legacy_metadata_key": "6A26EBBA353B96A6357F33209D3A"
     }
   },
   {
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+      "derived_salt_first_section_first_de": "DB7A451D777307D8BA97E5BCE37C047A",
+      "derived_salt_first_section_no_de": "D05F1C1723AE5F1C8D27113F65F7ADDA",
+      "derived_salt_first_section_third_de": "272197262D33ACD1793283D7ABED37AF",
+      "section_salt": "64B08C017808E5A9701A0F90C0177D77"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "384567F1FB6683DBCC124038",
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-      "extended_signed_section_aes_key": "C7363FD015C74BE11F3D0EA9C9385359"
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+      "extended_signed_metadata_key_hmac_key": "DF538C4EDCFEC040BDAC25919C27FF04F81F83D2153163317A7F417324D0BA90",
+      "extended_signed_section_aes_key": "42B8C719309FB90079A9EEA87C6F0AEF",
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+      "extended_unsigned_section_aes_key": "1F535B80C2455B3257133BF8EBB04596",
+      "extended_unsigned_section_mic_hmac_key": "21D4B3C15D918DD65650254ADA3EA81B2DD9F10DAB9A35977CED20016325E726",
+      "key_seed": "EA167585EA2341E1FC72074867A3F67ECBFDE189B08C9E8F2814929896EAE302",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5FF7",
-      "expanded_salt": "A87896D782EDEDD8474A7876EDAAEB0E"
+      "adv_salt": "DDE3",
+      "expanded_salt": "B0F853D240DDA7C6EF8377A360F2DB86"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6E63DA450AD6B2052D421EF0D801",
-      "expanded_key": "B1904D94664F75A0CD2C9C505231E08B"
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-      "derived_salt_first_section_no_de": "E56B00382A5EB57E34A0856106D03CD7",
-      "derived_salt_first_section_first_de": "F94B9F92F0E454418CF68B3F5AB815F6",
-      "derived_salt_first_section_third_de": "C79CAC768C456D0ED12165EE119DA5C1"
+      "expanded_key": "E0C8F420135EFBA90C57360C8495E966",
+      "legacy_metadata_key": "EEA2925BAEF7A89FF3887B5813C8"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "64AEEEF504177D31D8502E6CF5CD4360",
+      "derived_salt_first_section_third_de": "D374736E95583A1D68B7E6E92C13DFF1",
+      "section_salt": "C6E39FEE7E09E86044AFAC81EF339037"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "C02610A644D6D306890CE034",
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-      "extended_signed_section_aes_key": "AEE87B869C3F8B2627B2D4EA9BFBA24F"
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+      "extended_signed_section_aes_key": "16C39331FCE4CFD481034FA2456BBE24",
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+      "extended_unsigned_section_aes_key": "77338B19DD85D416904152D255E4323F",
+      "extended_unsigned_section_mic_hmac_key": "4FFDFBCCDA24D12C1F723784E9F6FE717E4F5140151500C63A424BC102BC7C23",
+      "key_seed": "C5E9CE90213BC80170B51462B551F769F2273C630C64A4C25F35B1B92D5C8CA9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "9944",
-      "expanded_salt": "93AA7442881750D3186F028E7935A3C3"
+      "adv_salt": "551F",
+      "expanded_salt": "7B4271A072EC2128F8F636C8478B39E4"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "21D2215ED1F598BB96CB478531975B4E",
-      "derived_salt_first_section_first_de": "485A28BC5536C42CA89CFB12D5EDDF21",
-      "derived_salt_first_section_third_de": "040BFBBCA5D83EE8814CB575AE8E4E25"
+      "expanded_key": "673F5DB004228863CF089C3219C9A1CF",
+      "legacy_metadata_key": "87ACE4CC73D6BD8D769ADA26A647"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "EFC7565D46D21F04DDA3A2C51EF21820",
+      "derived_salt_first_section_third_de": "E757A0CE3940290859A45B4C6E5F30A3",
+      "section_salt": "BE88732A1DB32B4D6F2292A526791D9F"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "A6B91FE91AF30E506034901B",
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-      "extended_signed_section_aes_key": "5983AC8393029AB6C840EC67FB5EE78F"
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+      "extended_signed_section_aes_key": "F2697B7574D089907573390FF16487AD",
+      "extended_unsigned_metadata_key_hmac_key": "7E2884E9981BC02BA0380ACEFA4181025B0AB37E2804B7DEE6EBBEC3EEB19C60",
+      "extended_unsigned_section_aes_key": "F3AEC7D29B3505F8CC7B3BE8E29C6964",
+      "extended_unsigned_section_mic_hmac_key": "BA6CCAFF66F96C185F9A7C58B6CCA3A9D89879D368DA322354654FCD9274BA90",
+      "key_seed": "7DD23FB5F4D82E66EC3DB42C09868CA91C023B43633ACBB17FE4BC82D38C2658",
+      "legacy_ldt_key": "844C186CBB85CADA50AB6DAA2427A1DFD58076897B83BDB20B8FEF2048E9CF2CA25C7B836252160EF993591D46B19DFCE129857B9CEA32F389F18D4CECBBE2BC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1E8D",
-      "expanded_salt": "A3267FB1C722350DF949AEDD8C99621D"
+      "adv_salt": "E42D",
+      "expanded_salt": "A4BF8E8CB739352E0ED74F787C36C8DC"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "F2D214D760B35EA2AE22522EE267",
-      "expanded_key": "AFD22C59A8822FE5E27614B7DF7410C7"
-    },
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-      "derived_salt_first_section_no_de": "20B442B714B4D527D3D378DA48220957",
-      "derived_salt_first_section_first_de": "E49AB916763EF81B225C4492B9AF7ECA",
-      "derived_salt_first_section_third_de": "AD56DEFDBE1560307B3B2F6A791B3B64"
+      "expanded_key": "250C39620AB74D73835355D52D108F4B",
+      "legacy_metadata_key": "42C805A62F77F677E6192049B27E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "18BFAC15237B7BBE43A4F7F809EF3858",
+      "derived_salt_first_section_no_de": "CA1CA274FEE8C3A9C3D47B42894011D9",
+      "derived_salt_first_section_third_de": "9CBA3027B68DE4BEF96768E502B91BA4",
+      "section_salt": "0A2822DA69C611D7B4A53033CF05604E"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "99206CC440BCD5B35AF15FA894173217FD240A492CFB83A042E6916864BEF8A7FA0AB45ACEB0438446606FB122EE2DB15A41BD56204A9A506CD2A7BA072479C7",
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-      "legacy_metadata_iv": "9CE93FBD6179E95323A20087",
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-      "extended_signed_section_aes_key": "9B49C1D9504C731865F492B82C3D7449"
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+      "extended_signed_metadata_key_hmac_key": "B9268ADA68F20BB9E8CE37FCEC99C2A86B9594B9E14B800C258118EFA0CE5189",
+      "extended_signed_section_aes_key": "548E3F0CE292050E8242985D88BEFE74",
+      "extended_unsigned_metadata_key_hmac_key": "3BBE23E964C9A6874D390C6F502464633A043EE53A4B260250D2F70940EB375A",
+      "extended_unsigned_section_aes_key": "A8FEE8B7E29B67A40960D70C93644A05",
+      "extended_unsigned_section_mic_hmac_key": "3B45E9635386FCA53AA67BBF1A4E05786D7B8717E40B1141573C73E68F0D64CC",
+      "key_seed": "B178061425E272C3D649682BD36F871AD37507EC2B759C65164BB6A6530681B0",
+      "legacy_ldt_key": "93181E862CEBB2A252385A2FB7B0B577374E2EC6EF9AC7A2242E5EBA39AFA2897A0DA551D959098C3912284857C2F2F2395D1906215D4C40ED7A346C00D67A55",
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+      "legacy_metadata_key_hmac_key": "5370E039361FF68C72975D4F5F31AFA7FB81059BE0244E813F8326CD232D42EA"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D89F",
-      "expanded_salt": "ACB567C83BB42B210B62CD66EB21602B"
+      "adv_salt": "56C4",
+      "expanded_salt": "A18F0D7A9A803FF7125B07D159402510"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0C896D066A3964B3F16381C8D4CF",
-      "expanded_key": "7E0E2BBFF7EA50627D4B1FAB843ED919"
-    },
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-      "derived_salt_no_section_no_de": "B1C7A218A9146F5AC3FBB1CF35BF6882",
-      "derived_salt_first_section_no_de": "3AA66CB565A916A3D30E167B697F7FAB",
-      "derived_salt_first_section_first_de": "1FE1E570AA16ADAD16149D12570D4F29",
-      "derived_salt_first_section_third_de": "72CC24DBC13E4F229527CF41B77D548E"
+      "expanded_key": "497B3946E8F459B4B6509D7A645E3541",
+      "legacy_metadata_key": "772BFB8AE4FC75F1CC660141C983"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E8D1758074F04F962F0B8413367098F0",
+      "derived_salt_first_section_no_de": "649F741FDA427A802A2F8B7860C4F76A",
+      "derived_salt_first_section_third_de": "D278D134261C9C65B9A74F3529E43626",
+      "section_salt": "F89D17A98F3FAFBFE2E1DE6863DABA35"
+    },
     "key_seed_hkdf": {
-      "key_seed": "281C6957AD31F34215BA25E83DED68F79E505A7F82EDE0A2122735A06FDFA431",
-      "legacy_ldt_key": "DBE1A3CE162FA758C5A9E716957B569CA982E331DA3D43F7AC6979E1BC2FC899FBFCA5439DF17167554367F8E57B2FA86D59019633C17DCC6A34ACD59555DDE1",
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-      "legacy_metadata_iv": "065062A13D5FC5BD823FBE9B",
-      "extended_metadata_iv": "5F62957D822549B66A6FF4E1",
-      "extended_unsigned_metadata_key_hmac_key": "CD970EB71B30C4F033D8E88D7C3D091CEDF857352F7E49950955ECA97BB57041",
-      "extended_unsigned_section_aes_key": "9ED196DFA9131E35DEAD97B497D4AA71",
-      "extended_unsigned_section_mic_hmac_key": "FD3411C684AAA6937076044402B37369B87D8BAF5FA8B2245ED4492179999F17",
-      "extended_signed_metadata_key_hmac_key": "E0E7A3619D631BE7BE9DEC779A272B97681F61D594898E38A33F7BA089598882",
-      "extended_signed_section_aes_key": "4FBEBEF9C0D5C932DE33106195DEDD39"
+      "extended_metadata_iv": "C0E97E0BDA75CE5A062279A8",
+      "extended_signed_metadata_key_hmac_key": "ADD1ABD334AD6E8FDA4E9405D2DEA2D922D34D318EF2CCCA2F67583516F17393",
+      "extended_signed_section_aes_key": "9822C6E2DF14BAADE9364ACAF4A9B806",
+      "extended_unsigned_metadata_key_hmac_key": "BF16677C74BA020AAD37DA9971BA2223CCEF32CEF72397F5DD058985B7E0D212",
+      "extended_unsigned_section_aes_key": "9DC524253BDB4A2DB264F1948E5D18FD",
+      "extended_unsigned_section_mic_hmac_key": "7E5FB9E840FA6B87845367E76D7B41D54A18B02CD924E866384888E0C00A93E3",
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-      "derived_salt_first_section_third_de": "5B092744B12615D480DA31FADF72C018"
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-      "derived_salt_first_section_third_de": "BFEF91BBB6E05ACE571F29EDA25C6E54"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "4F7471F2BF01BD8CD40B65B4474577AA"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "04CA8C20A739AA6C4F6004C48592A436"
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-      "derived_salt_first_section_third_de": "18D69BB139F8B8D8CCDBA02890C9003D"
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+      "legacy_metadata_key": "E1CDF2593C795C2861DE8FDEF0D3"
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   {
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+      "section_salt": "3C5B4A6A6ADA2904CEBA40A77093BB72"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "DC5B45C83477CB2AB592DFFFD23D6720"
+      "adv_salt": "8494",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "3F4D3B976C44869379B885693609951E",
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-      "derived_salt_first_section_third_de": "EF40BD06C09F07B18C13D358566F8F09"
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+      "legacy_metadata_key": "91F3B87C19F3411008871EDA91BD"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "637B14B2A6EFFE6F34C6D9DAF78F7BE5",
+      "derived_salt_first_section_third_de": "31BE606AF5C9E2D0724B9A360D7472CD",
+      "section_salt": "2B05639671A1B08BE4E3586C86C43448"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "2B3E789C989E3C943987E4A9",
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-      "extended_signed_section_aes_key": "F8990B0D4FC7E8A70775851A19E46D4F"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "999DC3EF3B17822FE3BFFAD30E78DC30"
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-      "derived_salt_first_section_third_de": "F8D2525CF32F24EE0C73B7AE0DB39DB3"
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+      "legacy_metadata_key": "2F511649387178C306024222428C"
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   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "32C3B2E11EE91FAF27D19787A0A21247"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "BB64B93F96801725CB95EC2A4280A7E7"
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+      "legacy_metadata_key": "43AA788F358ADC61D393CD5884A0"
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   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "8FC8760383FA5381B53448B5340C39BE"
+      "adv_salt": "519C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "CFC26B3BA61CC545CA5C485065BC421C"
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+      "legacy_metadata_key": "33AE696750EEAB9FF13F9B9FF909"
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   },
   {
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-      "extended_signed_section_aes_key": "726C743E3DB8662FA6B2C889F09FA155"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4BAC",
-      "expanded_salt": "6C71A9EBC2BADF3C0225BF3A4CD39D84"
+      "adv_salt": "0229",
+      "expanded_salt": "0B19A48F71F5915259BB9B4101DD7418"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "21E407C79F02141CEE07F6F4354E8596"
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+      "legacy_metadata_key": "094B20ABD0DC8A1309BEDDEC85F1"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6351760357983AC271B728AEC8C402BC",
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+      "section_salt": "8172DF5E537A8FEA3D8EF8623BA72308"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "23C919F701BCA107EF186649264739DB"
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+      "extended_unsigned_section_aes_key": "F02BD3CF4DC6B8A248CAAB8897F81C69",
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+      "key_seed": "4A42CC2F29D666313CCCEB7F615D8CE8334DA7D8A9501493C8C5AEA3984643CD",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B4EC",
-      "expanded_salt": "89BE5B2637D4AA4FD6CAFD2C431EA45F"
+      "adv_salt": "3B93",
+      "expanded_salt": "EA69FB153EDC7E19E8E4E2E8BFBFF271"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "3433246FDBE91207472DADC490F731D4"
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-      "derived_salt_first_section_no_de": "3FCD287AE45A7CA00872206394EB7A86",
-      "derived_salt_first_section_first_de": "C318F6B3716389C2BFECEED5FF90576C",
-      "derived_salt_first_section_third_de": "A75E81ECE916309C45FD83F0F474AE41"
+      "expanded_key": "14BF9B1A52E63AE4D2D1913C98D2AF21",
+      "legacy_metadata_key": "53E20DF5B7156876F28F7B6D12D0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "D240AE3B808F1022A4A2AD19A12FCBA4",
+      "derived_salt_first_section_third_de": "93E13946662D4E3197B32A7DB0DF8ABD",
+      "section_salt": "D814C722B015B36A3489EB5E5F23D91C"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "82320445D3292AFA66D4523E",
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-      "extended_unsigned_metadata_key_hmac_key": "18EE2A463D01F4CCEEDE42763B9AA069AE4CF805AEFCE4C243B16DF14EE2AC9D",
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-      "extended_unsigned_section_mic_hmac_key": "E56E7BEF5CE3E39A64D724755CD62F41E637FF7ECEE7EF849499D5E99290C89B",
-      "extended_signed_metadata_key_hmac_key": "9E9BDC5720F74834DE29BBE56AACF618AC83DD15B408E30BBEFFD0E84CCF1E00",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "AD8EE5CEC69AE5513FF0FAC18F828AFE"
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+      "legacy_metadata_key": "776AAB58C10561108B62F23A2170"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "EE2331972D907C809F3945D9DC2EAD16"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E33809DB60317D630E8CA066EA9F0C2A"
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-      "derived_salt_first_section_third_de": "6F9878374C98AD6747ED5258F453F060"
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   {
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-      "extended_signed_section_aes_key": "0D7225C72A276B81817C8459B0804964"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7014",
-      "expanded_salt": "A85B8C8D826338366F589007AB7E558F"
+      "adv_salt": "694A",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "A713AFFBF341C5F4B1FC5DB2EFE98064",
-      "derived_salt_first_section_third_de": "66D905CF708842C6D3FBDBDD1814ACFC"
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+      "legacy_metadata_key": "06C8068A4F22C551AF2998D936A0"
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   },
   {
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+      "derived_salt_first_section_no_de": "9716A6BFDFCB2D91DDD5F504DB76D2F8",
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+      "section_salt": "A3A2109DA07BA075EF57D139DC85C53B"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "94E04390D190D5E5EE71DBC53360BBB8"
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+      "key_seed": "4720109EF1F22A9BD5E3D88054BE24729B9CD5E94C80952046633F65E11DD188",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3093",
-      "expanded_salt": "B34AD461EB6C3F268F4C984E38948102"
+      "adv_salt": "FC2D",
+      "expanded_salt": "7DA67B6F9A983DF1C8981E513AF1A896"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "BCFD663F4F79B3991313D13AE767FB24",
-      "derived_salt_first_section_first_de": "4D849E0D088B0326F097F31181DBC6D7",
-      "derived_salt_first_section_third_de": "7816E6F35E7E807D994BFBDBE4D24138"
+      "expanded_key": "596D4F4D5E17864162648E6B05FE738C",
+      "legacy_metadata_key": "DC61861FE86C8FBA0B1B8D72BDBC"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "78A345311F301640524A8F1E6FBF816D",
+      "derived_salt_first_section_third_de": "D6B1AE5731DA8BE938C993B728AAA93F",
+      "section_salt": "DDC0F27A5F282DB1427D7E8D060074A9"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "A1390BE92899D9DF20F68F88",
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-      "extended_signed_section_aes_key": "A0C6A01950794A45E0668B92CA9D9627"
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+      "extended_signed_metadata_key_hmac_key": "1874D61ABA9CBDA0F0EEC4130A38FDACBBEB93DC1A4F5F0B71C2B0FCA7E35051",
+      "extended_signed_section_aes_key": "DCB8F0CD8C498642E774689B2928B994",
+      "extended_unsigned_metadata_key_hmac_key": "F605A4130593AB28C127974A79C56B436B1FB4854865842764E91ECD3FFFE272",
+      "extended_unsigned_section_aes_key": "016ADC7A4F9164631B97ADA72B9283A0",
+      "extended_unsigned_section_mic_hmac_key": "05FB9B8B390BA0F5EF5190E04769E4EAA000BBFB6528CA1B429E88E3AEB4287B",
+      "key_seed": "B2887607DF615921950FC853144FA354FD2D6250BC42F2894B2628D5A5D5D2A6",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "84A2",
-      "expanded_salt": "969D2B031F2030B935BF356F1AAA764D"
+      "adv_salt": "6000",
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     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "111D9417F35A918A4F9DEC875C1436E0",
-      "derived_salt_first_section_first_de": "35270CCAF200ECFB2C292DFB1C676711",
-      "derived_salt_first_section_third_de": "D2F91F1952868BC8CDE283D22449EA3B"
+      "expanded_key": "A5EEC2BDE2CFD092246D7FC0020017BE",
+      "legacy_metadata_key": "E076FEE90C9F2EF4C3F52D7D7440"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "67F75E502B73675CB5B85D7922DD016D",
+      "derived_salt_first_section_third_de": "021E30F8ADEBFD2E3E89E1F16047FED4",
+      "section_salt": "76839F16FD67AA191A53BFBEF715C815"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "40FA20AD95D23ACE10785699",
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-      "extended_signed_section_aes_key": "2BBC350DB474CDF7725F40D33DE7A1A2"
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+      "extended_signed_section_aes_key": "7C3986780491447AC68C0237041D13D6",
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+      "extended_unsigned_section_aes_key": "A75BEB8FED3227B8121BC0063F1FCF46",
+      "extended_unsigned_section_mic_hmac_key": "F110BD01213B2788AFA57A7D301FD9937806225A58ABE3E20F530574B702D4BD",
+      "key_seed": "C114989B0029EA08CB6B50E4E43203BD3BE4F5775F7092354D6031C42F04D051",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E7FB",
-      "expanded_salt": "022A91779DDE3304C97C3CBBA57BC8A3"
+      "adv_salt": "2BCD",
+      "expanded_salt": "7ADB55CF17FB7C17D726F29E46A64296"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "D5651003DA58D38CA4D09340A0BB9896"
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-      "derived_salt_first_section_no_de": "84022E937BBF7749190C27E9B9C1702D",
-      "derived_salt_first_section_first_de": "2772A78402D128BBDDB9293A12ADD75F",
-      "derived_salt_first_section_third_de": "76AE001FFE214679954523F6B9012C27"
+      "expanded_key": "0648FF54CCECAD37C32A8D2B4713F1AA",
+      "legacy_metadata_key": "162FABE74D6B92C24687C3753DD2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "1B81E55F6E43E9CF6B1A0A9A703A5768",
+      "derived_salt_first_section_third_de": "915A3EEB63D17A00A2D21126E14D550B",
+      "section_salt": "A79720E04D2917C4EE18F69B11450D71"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "ABCF5227B5060A32C45094FB68F6CA0A"
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+      "extended_signed_section_aes_key": "8FB0CF3B3A010DBC25F98FE50004ED00",
+      "extended_unsigned_metadata_key_hmac_key": "25A911EC96ABD64529097A0F875419D487A223AED48DF0C81CDC7132ECEB72FA",
+      "extended_unsigned_section_aes_key": "CC4FC3CB9461B02B6C0E679B004904C2",
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+      "key_seed": "415AB0AB12A3E41853EEED229E8419B343CA3D5183DF1FA73EF572D5AC9EB986",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "41F7",
-      "expanded_salt": "1FD268483755A5B20C3F2B8EC351F41E"
+      "adv_salt": "0A5A",
+      "expanded_salt": "FC9D251FB70EF819BC78235EEEC4BEE3"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "AD25BBF2BBEEE176BCAA7E4A5A4B",
-      "expanded_key": "27BA33FB5084FF89E2F80CF83F03E6AE"
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-      "derived_salt_first_section_no_de": "5AC3EAE45F9FB236EB8523CE35B4E6BC",
-      "derived_salt_first_section_first_de": "E859A12AA54DEEF68D29941B82FB4B04",
-      "derived_salt_first_section_third_de": "F759593802F37958BD2B936B55CC331D"
+      "expanded_key": "61B38001EF30B89238A9DA5DE7F18649",
+      "legacy_metadata_key": "6E15825D1A6FCD5307F3098583C6"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DF3A247C41BFD15E7FA644267D0A2EC6",
+      "derived_salt_first_section_third_de": "4C69EB370541F250B24DCCB906C4AC8D",
+      "section_salt": "12E72B0FD3A9D857629777ED1E842611"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "557F82255FE7924942A99C36",
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-      "extended_signed_section_aes_key": "777079A79107FA5CAD9AAD01CA9FA25F"
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+      "extended_signed_metadata_key_hmac_key": "3BB5B12566928C187DE6C61C24F27D811562D0610334AA991DBE672D34D8B399",
+      "extended_signed_section_aes_key": "486E5A64A258795F07651F6AAC729242",
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+      "extended_unsigned_section_aes_key": "B7CF47A17B025D8FBEE976C91655BCC1",
+      "extended_unsigned_section_mic_hmac_key": "0CD787E3F219EA8AA91FACB62528618C67130CC65FD9F25FB5E6783D70F9314D",
+      "key_seed": "B8886796E93B955CBF5FB2DE4838EDA861FA4479F2F58849C416521461D07ECF",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5BCB",
-      "expanded_salt": "4283CF70C3CC4D44E464E3670FC775A8"
+      "adv_salt": "52C0",
+      "expanded_salt": "821522C907594B1600FEEF5A40F95DBC"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CA54A57A1C7FF5510D24A8269119",
-      "expanded_key": "F660E882AD0E81BB59E495C12ED116D5"
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-      "derived_salt_no_section_no_de": "4A91B1D7C4B4CB2041AE5A04BE07D66C",
-      "derived_salt_first_section_no_de": "965B98A92BDCF354EF5FB7D21B072F5B",
-      "derived_salt_first_section_first_de": "EAA5658B07E0FC5ED081B2515C5E5EA8",
-      "derived_salt_first_section_third_de": "D2DDBB9C2C4F529EC2F09278AD27BF99"
+      "expanded_key": "B49C9B26902B6FD6CD162CB7C2AF4DB6",
+      "legacy_metadata_key": "2054EE366FEEFE8A487CE6F7C143"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "5FA6C0C9D3D32A67B45A4C06DFD397CA",
+      "derived_salt_first_section_no_de": "8FA21BCBA9DB3A9B67E1A7357D5180EA",
+      "derived_salt_first_section_third_de": "F384249D228A1E5A7C4F2765B993B566",
+      "section_salt": "C8AD53FCC7CD547ED5126546490E79B9"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "02C6A4759A96DA06AC8B954428CA893F1C9D139A15142C887F11BD9BC0391A3348A760D3CC6B49318E94B962029DF04977A7F4E01B584C479CC12C897DEDF5F8",
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-      "legacy_metadata_iv": "52164F84C6C89387605DDC5B",
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-      "extended_unsigned_metadata_key_hmac_key": "DB6E38654952C4DE3D3D3291BF6CAD73A2B7D096778B01EB74EBB372E5282909",
-      "extended_unsigned_section_aes_key": "11F282779848145BB51DD3709CE748D5",
-      "extended_unsigned_section_mic_hmac_key": "13EE306FA6F1FCDC2AE4ECF21AD2C14AF1B9B2180766B6A3851B3684AC2AB7CC",
-      "extended_signed_metadata_key_hmac_key": "B38A937C9D5FB1B3E7F06C26E243DD714AD4E4B35C25D2C0F420F2A0B0DCEF21",
-      "extended_signed_section_aes_key": "44ABBADB0AA57D88B2CE4DDA6EB26243"
+      "extended_metadata_iv": "42112FC5E154BF78050ED542",
+      "extended_signed_metadata_key_hmac_key": "F2EED60867CCC22515A455C99B4CD279310AFA9433842901064A96AAE66DC1AA",
+      "extended_signed_section_aes_key": "CB340D2AE087AEE98638116A4EEB3F04",
+      "extended_unsigned_metadata_key_hmac_key": "5F6A4657A2024DEA7E5C6195FD04B14F47FB38D0B44BBC437F86D018CEB964D9",
+      "extended_unsigned_section_aes_key": "567E3505F89AB3A90326FD6BC66216B0",
+      "extended_unsigned_section_mic_hmac_key": "347E4FCF88D6D94DF49C3F32CA889FFE09249C8827C79B6D11B76C8B50EC9A1B",
+      "key_seed": "C71A75552670938D182C1A784CD0C2CF204C883DB64B0EDF9F1AE87B82E5BB5A",
+      "legacy_ldt_key": "40D28D49EA74857FB9B2BD6811BDF5BEE79B3B525E3BD1E8CAEE09EF1318254E15704D5AF65A72C9B2F08A87ABFE6C4DFA66CD0DBEFF4F61F8242CAFB5FED246",
+      "legacy_metadata_iv": "067FE30170AE379BD1907D28",
+      "legacy_metadata_key_hmac_key": "7D01287A684545E351D6B67277C398A79971683D79765E10FD2A80C3A0EC1968"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0DE8",
-      "expanded_salt": "9BE9042D25F360050573D6F94D28091B"
+      "adv_salt": "D3CA",
+      "expanded_salt": "357992677113B3CF46F8A6E1DA9A9B2A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "83CFBF1AC2E0EB211E6BDCE652D8",
-      "expanded_key": "9B4E163B29C81923FF4F9CCD1DA016D4"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "3478FCC126609B4ECD8B965C07100454",
-      "derived_salt_first_section_no_de": "BEAA0D089509E458B9F4A4DC7B35E49A",
-      "derived_salt_first_section_first_de": "15F64532C2A2D95322195843C2C290D4",
-      "derived_salt_first_section_third_de": "F532B739A6894F97DB4599BBE04EF242"
+      "expanded_key": "CCB4A40D0CDB3BC98D2BED0531BDE0FE",
+      "legacy_metadata_key": "E64EDA3C20D236A208EC8F68C38E"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "EDDF6C7760B7222E92FC8B547AB86521",
+      "derived_salt_first_section_no_de": "ED0BC8DF705894D47F3231AB8A8BDA19",
+      "derived_salt_first_section_third_de": "01AB0FEB998A8E73D1CAFA2E80ADD51F",
+      "section_salt": "073D94870C350EDCCC3BC3F9EF94B628"
+    },
     "key_seed_hkdf": {
-      "key_seed": "D6D654498EEF1C1C5D0E96FEDFFD98BA5AC8A5F15632050E45AB42BA894BEBB0",
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-      "extended_signed_section_aes_key": "BA9F4833333BEBE63BF2E70AF7555201"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "746823CC710543C1A177A7F370D5ADE9"
+      "adv_salt": "EAE4",
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-      "derived_salt_first_section_first_de": "32D6C652840773C0B0AF0FC868DC4FC3",
-      "derived_salt_first_section_third_de": "611BEAB0F7D1A256D29601089B700546"
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+      "legacy_metadata_key": "8A7B3AE8E96FA76244D5CC637877"
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   {
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+      "derived_salt_first_section_no_de": "9EA50BD53E7B57073C877A4D878C3A07",
+      "derived_salt_first_section_third_de": "BC32055FF94A3C48C12C00DA1476E9CF",
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-      "extended_signed_section_aes_key": "2C307662DBB5EB55979DEDBEA74F65F7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "69B6DAFFCD66E1249A1D47FBC348DC1E"
+      "adv_salt": "490C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "1F6D487C45EA43BD3E17F3A0522A5AF3"
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+      "legacy_metadata_key": "D4F4D3DBB567167129E174738798"
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   },
   {
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+      "derived_salt_first_section_no_de": "DB29977C3EDC749ECD5B40C8618B75BD",
+      "derived_salt_first_section_third_de": "E794B56011EE217C8424C204027BD1C3",
+      "section_salt": "1D5730DDFC8FBD0F823BCABF28E35074"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2410F2D189F9CBC71607F0EB3D439C7C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5951BE8194D7B850EC0EA0B60160659B"
+      "adv_salt": "4460",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "64192A78431D7059D91858CD08E44CC4",
-      "derived_salt_first_section_third_de": "FA6A5071DA6F14CAE6E460304C862FBA"
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+      "legacy_metadata_key": "52C22B5B1A87887583F90E980F81"
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   },
   {
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+      "derived_salt_first_section_no_de": "77F3D919704008E8A7D69A44B868DE26",
+      "derived_salt_first_section_third_de": "93D350E19E252CB4C3BBA4806E1B4B79",
+      "section_salt": "B00442997497F3D8920943A86FAAE41B"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A08B8E3448D47D41EA830F1651EDEB3E"
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+      "extended_unsigned_section_aes_key": "FA784B4B78E32D02C239FC918CEC2972",
+      "extended_unsigned_section_mic_hmac_key": "0FB7610702A08E3160B2B3CB07B2B2E1168CC9416F8683438E16EE857D4EF0E1",
+      "key_seed": "27132A5108CEF57D1FC1D0643CCABC516A22EEFDFBD9053026D1570AD29D142E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "FC4E",
-      "expanded_salt": "27FCD2D48DAD5AB3E8545658DE539807"
+      "adv_salt": "B610",
+      "expanded_salt": "72C6BF203EB196ABE9E1A94870B392B6"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CE49278699A27FD7904A5572E9FB",
-      "expanded_key": "11DA08A928160248221555777C2923D4"
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-      "derived_salt_first_section_no_de": "F739F2DCCFF3A81618F2D1B07A3F261F",
-      "derived_salt_first_section_first_de": "EBE34C8F9EBD7B491033E86F41D2CECB",
-      "derived_salt_first_section_third_de": "8510E9A2979B887E8D7F1EF280067378"
+      "expanded_key": "8E91B8A6B1C36E0C765AD78688F9B6D7",
+      "legacy_metadata_key": "91B4330910EEBFB176F7FBD6B146"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "1DC95D6C7F451B785ADD152B965929C8",
+      "derived_salt_first_section_third_de": "D91FC9B727EECBE48F7CB3F4A163266D",
+      "section_salt": "0EA245BC3F5D52968425883648AE0CA6"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F2108164C195D70502954316",
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-      "extended_unsigned_metadata_key_hmac_key": "9349E73C96040D52EC48CA69A2C8C9AD12B6E106AB826261A29634EA86BD4F2C",
-      "extended_unsigned_section_aes_key": "B86827D98D0E0DAF23CA64886614633C",
-      "extended_unsigned_section_mic_hmac_key": "9B2FFA50A5D8BD379A985524B33CD21F095F1B43C969712DBC04EE1DB0D4ED0C",
-      "extended_signed_metadata_key_hmac_key": "C87B24422834B47D7C940FE111D0480E118AA8256CD814BA60F8D29C9E3D1057",
-      "extended_signed_section_aes_key": "01AAE388AD58C8CC975BFC0B4A744C3D"
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+      "extended_signed_metadata_key_hmac_key": "03CC6E54D1998F8352DB7673782515883A73049FF7B30F090C88526DEDB34191",
+      "extended_signed_section_aes_key": "12FB909745C63B3B3B741188765379A8",
+      "extended_unsigned_metadata_key_hmac_key": "09D0F7108BCF4A2C09CF6BE05D602214893630750F890C10C18F757488B0CC5A",
+      "extended_unsigned_section_aes_key": "687635C0E577E0B50BC35185107CBC5E",
+      "extended_unsigned_section_mic_hmac_key": "8E0AF3C1AAFA640E415C7AA76C8CF74DBDE188EF6E78CA8DE69758FFE9A461AD",
+      "key_seed": "3AF52B0D6B088589606E8B566ECB75796DE060FE5C2CFE6C1F407F82D95C6B03",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EF30",
-      "expanded_salt": "CCA29E2B8CF9BFA1552B913D77677498"
+      "adv_salt": "3C24",
+      "expanded_salt": "095C40CF42BBC4AC941A614880E4ADC1"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "61C358AB7F8E52E42613CF0D369D",
-      "expanded_key": "123E584AD9A392B807D6A1E4A20421BD"
-    },
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-      "derived_salt_no_section_no_de": "D648EA6CCB16CE5A8B9D4977D825E1FF",
-      "derived_salt_first_section_no_de": "F38FE1D0B133D65FD8BFDAECDA4547AE",
-      "derived_salt_first_section_first_de": "3614F69C96D48D7B3520ECE991182535",
-      "derived_salt_first_section_third_de": "2D6D60E365E9770FAD71E6A30F3C452E"
+      "expanded_key": "47BA847E89B33E1DF01FBA35EDC1FC21",
+      "legacy_metadata_key": "1814B47FFBB055F52AA75CCE70D1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3B883E6D31EDAD1ECB0D9E022135A930",
+      "derived_salt_first_section_no_de": "A2E15105C73D453C6097D72BA6061EBA",
+      "derived_salt_first_section_third_de": "E2BEF49300FB3DC8B3C10B411B1CF2E8",
+      "section_salt": "FD80E851B6F978ED00A81733947EE919"
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     "key_seed_hkdf": {
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-      "derived_salt_first_section_third_de": "C042DE50309F7E867F4AF8D2A533940D"
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+      "legacy_metadata_key": "C981CD3D7AD2DDBE05BEA8198BBA"
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+      "derived_salt_first_section_no_de": "BC069699037EFD7785D8BC43D15CACD6",
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-      "derived_salt_first_section_third_de": "6C53AA0BBC3BD57F80B48E10DA6FF164"
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+      "legacy_metadata_key": "A8368DC8481B91D1ABD51C77B189"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "71337CE3CF96E036B5A3786E0BF329FD"
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+      "legacy_metadata_key": "7264C652AB0948D2B5D651D9C71D"
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   },
   {
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-      "extended_signed_section_aes_key": "A685A7B002320BCAD8F1296870E1AEDE"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EC40",
-      "expanded_salt": "7BB381FECB41205A350FA438802B6F75"
+      "adv_salt": "3240",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "808C65D7B1B1CAD65B06DAE52DBC7EF7",
-      "derived_salt_first_section_first_de": "15CA9E69931DAEC868DAB5197200C550",
-      "derived_salt_first_section_third_de": "2155B5ED21E958A205E228DD2013DF91"
+      "expanded_key": "1A494995EEA758C954C67F959D7199BC",
+      "legacy_metadata_key": "A93EAD4E094A8EBEF68F2F39FEAA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C0FDAF3CAB973325249D9251D5F23D66",
+      "derived_salt_first_section_third_de": "E05E286758A8854011E8A994E454DAA6",
+      "section_salt": "12F433D537CC92AFAC6FB2433B2A5295"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "4A47CC5AAC1A26BFF7E6741E",
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-      "extended_signed_section_aes_key": "95AEF254536735B74850173FD45A0663"
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+      "extended_unsigned_section_aes_key": "EBEF48A44F535469E3757DC3F0BC4259",
+      "extended_unsigned_section_mic_hmac_key": "CD9CADEA760DC58D5802A4734D2BF4D262FE88769B925AC3A5C8B38FF937FF07",
+      "key_seed": "4AAA7167A67638F2D2279F4A3212F26C54BFCDED5110393F8F5EAC5C03CD49DC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "64AB",
-      "expanded_salt": "784CDDA58C7F430943FDF2F075522517"
+      "adv_salt": "0850",
+      "expanded_salt": "90DB9C9BB5D8B71A2F5F5460F9917C93"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "385861FD84917C0E48F4E2257045",
-      "expanded_key": "2C82C7AA7F1156AC1C4622BE466A13E9"
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-      "derived_salt_no_section_no_de": "DBDEDBCB311F916A02762700D8F15755",
-      "derived_salt_first_section_no_de": "5C38E3C4EBB2345BE12716D03CBB8390",
-      "derived_salt_first_section_first_de": "99C6A68E3303A687F9654F57F92B8AB5",
-      "derived_salt_first_section_third_de": "36E399F13713177B7422A5FFFF1501E4"
+      "expanded_key": "FDDD4C8B11B2A913D43F384003C0C71B",
+      "legacy_metadata_key": "D03ADB8984A324E4A3BC1E19A8CD"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "CB745C654744E3CA5BCDAADFC5B34383",
+      "derived_salt_first_section_third_de": "76A083C5156085638C7BE8AD51342BBF",
+      "section_salt": "1818D5E1FECAF23106EE2F9D67A54A1B"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F089150230ADEF354906E4B1709D401C"
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+      "extended_unsigned_section_aes_key": "91E486653230BA06CB6D8CF09E2EAD9E",
+      "extended_unsigned_section_mic_hmac_key": "BD99C881CF68BDEB4C6B0D86A0115EE3EAED9522ED87BEF219F3F3EE4633011C",
+      "key_seed": "50C38681A5427FD0A3BD3FFDE2DCD522DE66DDECBF9D9066F1880366A8D02CFA",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "7B1A5D2D570D180858A757B923B3E5EA"
+      "adv_salt": "A9C0",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "64602474C2B2C5D22C0530374471C422",
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-      "derived_salt_first_section_third_de": "E71384DC5AF702C7FFC3C1CE643532BD"
+      "expanded_key": "D588D73F896CC49375CD0B239DA29C70",
+      "legacy_metadata_key": "831C84E4FF35DEE0511B0F793F09"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6AF8CCA68B9275C89895F0D55DD87F0A",
+      "derived_salt_first_section_third_de": "6C6825BBC2F09540D6432929197BD0D4",
+      "section_salt": "62F456BE4D75DFBF5BAC77A1C7664F9A"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "07B3C8115A6244B179795AE5055781D8"
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+      "extended_unsigned_section_aes_key": "DDC5AD8CDB7507C2162EB4FA10E19FC5",
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+      "key_seed": "344DE5D33F4234D5105DE74FE3B0203BD846A14ECECAE784D41CB9CFF0160721",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3EAE",
-      "expanded_salt": "8E7F5FE9D8516AED80C0A9F5CF8225D3"
+      "adv_salt": "D0DA",
+      "expanded_salt": "F15F5EA9046B8A00258C6CFCEA4682E5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "04C83E4BA0C30DBD2FBA64A2972CBC66",
-      "derived_salt_first_section_first_de": "D728FD49AE5ED45A80125A180EA00CE2",
-      "derived_salt_first_section_third_de": "267DF85C7134DBB39A2A56E9CC38D469"
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+      "legacy_metadata_key": "C987061EBF2CED165A97545BF865"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "7288E8CC23AAB78FF01B12FAB3EA631A",
+      "derived_salt_first_section_third_de": "BF9956B43CA8958F40A4DB2640227202",
+      "section_salt": "F424B9A4B50737091F0B04BAA846E600"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "30C4CFBDE7C833FBAE396A28A9440089"
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+      "extended_unsigned_section_aes_key": "2522E1C95EE3E2EE8C347DBEE83DC5FE",
+      "extended_unsigned_section_mic_hmac_key": "20A048F49FCE012AAF21EF3260C0DD5F820C887C5BE503DF3ED999F749C04197",
+      "key_seed": "BDBF1C13BB588936C53A413EFA85A15FCE531D42F140D8823A3E2F61DE6A7E5D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4FDF",
-      "expanded_salt": "08DEC88FE95D51513D1E51A62B87ACF9"
+      "adv_salt": "C8F8",
+      "expanded_salt": "1B6CD5C8CB686BF5C3F82EB9BA906321"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "256842F1ED6674C8F00ECCE21E80",
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-      "derived_salt_first_section_no_de": "4507F5FF5E4E577EA868EA9F53EE6736",
-      "derived_salt_first_section_first_de": "C87A7DF7E9FCD03AB0725CA90564F868",
-      "derived_salt_first_section_third_de": "625AAD4C04507703236DBF1B2FFCAEE5"
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+      "legacy_metadata_key": "A45AC30B31D2A940A4ED6D354066"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "58D7746F88AE01E7DAD52EFD48390099",
+      "derived_salt_first_section_third_de": "ED5912C0613EA566921446F6DC669E2A",
+      "section_salt": "A5F2991DE180BB08377BD47F14500A26"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "87148B99CF3FAD7D02A29725",
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-      "extended_signed_section_aes_key": "E14DA20850706E11F01886BC96ACF08C"
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+      "extended_unsigned_section_mic_hmac_key": "C53B355889E9791DE4F29A658647A04B5D00A9E4C2B31FB91625224F7B0E718A",
+      "key_seed": "9055852556BD789630D94379DE19A904D805952F6BD392F60A451AA5BF86F4F9",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "E498",
-      "expanded_salt": "A264D17BBEB9A8DBFC9412528211A0B2"
+      "adv_salt": "5EBC",
+      "expanded_salt": "A2AEC3093D4CCE2AB0C0D9AC5651AC38"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "24DB20EEF2DBACD5C4A8441B8DA1",
-      "expanded_key": "AD479F21C37AA5B7EE85820D1B2B258A"
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-      "derived_salt_first_section_no_de": "5FC05CFDA03397B4FB17C7F30F9C1388",
-      "derived_salt_first_section_first_de": "4302CE318249177F159FA3D182A56AD0",
-      "derived_salt_first_section_third_de": "246D6CEE2C0AE8E853455A40A20FAA24"
+      "expanded_key": "AB90B941FDF90C0D8E467F1210C4D44D",
+      "legacy_metadata_key": "01D27D74D405B6BBDAD3BDA5AC5B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "ECE15261558E2446EB6790AD6828995B",
+      "derived_salt_first_section_third_de": "8C49D41BD7B874D61B32E0D1ED5E8116",
+      "section_salt": "E0DAB11EBC8CA5C63F91D8C49354CC25"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "889464A29922AFEC42688D74DAB2396C2FA54550B44C8A8C424556F3AD7DCA404F973723CD594DB7B58A39EA2104BD26C1E6FE1936AB282B1F9F4B836379E5B1",
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-      "legacy_metadata_iv": "3336D984648BB0EB0F26F483",
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-      "extended_unsigned_metadata_key_hmac_key": "F23D8D73F44F83EACAA1A19E2D272FDFC6A5BE323DA0212E52CEA4652FA2AE99",
-      "extended_unsigned_section_aes_key": "F2C392229A5D49F8104CC5056D5167E2",
-      "extended_unsigned_section_mic_hmac_key": "DA6F097B0BF18A04A0C2E2CBC22590A26E3C4915FC9CCBBC86366D30D75BF264",
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-      "extended_signed_section_aes_key": "891B6F1B37011A46C0DDBA6295106F98"
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+      "extended_signed_section_aes_key": "09ECBFBB3A0CD2C5AD361601F5C7797B",
+      "extended_unsigned_metadata_key_hmac_key": "021F8211A4A916D9107AD722CFF8857AA2FDE55353C864F5B69EFE3B46924780",
+      "extended_unsigned_section_aes_key": "DB04DBF74B92F242B97F83867B5CF043",
+      "extended_unsigned_section_mic_hmac_key": "C15FBE555DDC48977C963D57A8DB3EB5F65F6BB7D33B215BF46770F1C67EB140",
+      "key_seed": "916F49641D0FA49A732B0CEF59E39BF4C52738609A08B42298C9F7EB2A1B55EE",
+      "legacy_ldt_key": "8B34C0F9C07B8B932B3B7669E252FAAC5C5EE6FE9FAAF9BE926BB6281610C4C975BDDB7374013154FFDDA0849AA8B679DA13886A72BD686C8082768EF9656848",
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+      "legacy_metadata_key_hmac_key": "37112382CE1C8472623CD64E207D8A6C12C8C1E197C9CAFB494CDB41F8B23CA5"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CC9F",
-      "expanded_salt": "8C750722B818FE97CC1CE2EDCF8359C3"
+      "adv_salt": "5721",
+      "expanded_salt": "A1F156916E5428C18311FFCD3B666A23"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "4D5BB320543FE7638F4DE232EF2F",
-      "expanded_key": "42CCE2267A6A7F9E4A494421D43FDFA0"
-    },
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-      "derived_salt_no_section_no_de": "1B754D72579226FA40A83FFF1D0316D6",
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-      "derived_salt_first_section_first_de": "D2600FB6639A672178E8EAD35638546D",
-      "derived_salt_first_section_third_de": "E226FB8512BFF4DA0F4D62D793533610"
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     }
   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "2E06ED0A7A620FE3E4F83BE7243BF98D"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "C179CA4CA3BB3C0330D8E48709F439F3"
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-      "derived_salt_first_section_third_de": "28E69B4FD5CFBCA3D2945D0419B3EAA3"
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+      "legacy_metadata_key": "9E11EC1AB45D6023C6A2C7459506"
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   },
   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B7FC729758368914CDF1E7F03FFFCB89"
+      "adv_salt": "DDE5",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "D62962234EBD9731E76D38156703CEA9",
-      "derived_salt_first_section_third_de": "41C52229A1F9F9A69BFC878090FB0EFD"
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+      "legacy_metadata_key": "BB411241CC18394C66BC74983D80"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D11145529764621E1BD67030F303E698",
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+      "section_salt": "FCED3480BAC2558E870CBB768D3F6576"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3A463F2144CA42874E2CEB4BCE155647"
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+      "key_seed": "7A842EE01C8F58C76B24379402CBA7377485C938780B0E2B9DB210D0BE7E075E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "91E6",
-      "expanded_salt": "116EB1E9FA5737CCFFD44BD2DD9A76EC"
+      "adv_salt": "4C78",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C705F4B7969EA1E92A2B6A6E79BF8B74",
-      "derived_salt_first_section_first_de": "F5F592E8B3E5BE16DD42EC614F82831C",
-      "derived_salt_first_section_third_de": "944F50D5D19EC2532D41C5D88A63A2C7"
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+      "legacy_metadata_key": "A49C9DD2AA91BC6BAA6058B441F2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8575586C6C6E4916D9027581EA0BB430",
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+      "section_salt": "37C5F96A5F5923541B83458D4CC4FD76"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "0999E69E94DB9463D108F11FF915FB37"
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+      "extended_signed_section_aes_key": "8A252D4B2437645D24C791709D59D7A6",
+      "extended_unsigned_metadata_key_hmac_key": "DF2F16281BC430CB7A366D31AAED28DA54CC9EDBAA7528A65E07DA95625A092E",
+      "extended_unsigned_section_aes_key": "A0609EA0886D89C47C66460CB8CD47A1",
+      "extended_unsigned_section_mic_hmac_key": "C5C6B76EED542E94014BBA13E1E9149E87FA18B322C1126DAF93EDEAB1172C7F",
+      "key_seed": "C86A26634042F691B40772152FC27158A12E8AAABC87CDA1C5D9250A8A7F9CD5",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "13C9",
-      "expanded_salt": "14FF14F280975317E00134FA2DC1D28E"
+      "adv_salt": "2B41",
+      "expanded_salt": "E62D30850F07AC1B56988D54A16738C7"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "158A8D3155D727BB75B445E7FB77",
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-      "derived_salt_first_section_third_de": "BE08F1CD28F7A790966EDEBB08D8268A"
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-      "derived_salt_first_section_third_de": "50835BDD03395C0BB059FD4C1D74FF04"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "A91BCEED01537A15B938631A7092D07E"
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   {
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     "legacy_adv_salt_hkdf": {
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "00B3938858CBE127ED844FD7902F6C3D"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "078DB8761F74B9A97452B9ECEE6475A6"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "89B64913753E7C77F188DBC76F7323CB"
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+      "legacy_metadata_key": "21D819629C8539214CCC8E64C572"
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   {
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+      "derived_salt_first_section_no_de": "F273EA8372D08A05FA51F3A342841F47",
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+      "section_salt": "398C1234A95F537775048E912D0B7EC4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "DDEB09E824715DA955E968CF8C99E3AF"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4C86",
-      "expanded_salt": "FC9E30A926114105F5C90CB1009DECA7"
+      "adv_salt": "6026",
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     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "E54297265DADA0FC9E698D8F359C57E0"
-    },
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-      "derived_salt_first_section_no_de": "1577C4DBC084510A31DD588F999D6E5B",
-      "derived_salt_first_section_first_de": "161FFC1638BC0D6E07D7B46E23807743",
-      "derived_salt_first_section_third_de": "33F66A3756E59A408B22D3D690C3A0A0"
+      "expanded_key": "C704148ECFF3FE356922418A0E2142F5",
+      "legacy_metadata_key": "69BCAD7B1518CD33083C70B500F7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "0D8E18A56B76B410AC6A05F950D25304",
+      "derived_salt_first_section_no_de": "06FD57C19A234F4EA11149FAFA3186CD",
+      "derived_salt_first_section_third_de": "DEB39EBADBB4B9E0087ACB2A921F13E6",
+      "section_salt": "FCFC9D6154917BE392E1349D39A034CB"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "BF7F6CF73FC8C0135510CCA877DE5463BFE2C6565D21CE0BD10850C2326287A61C0CDAAD8209AB59E22856220CC5F3DA1CB20D7A731BB2EBA25AD4094082AFCF",
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-      "legacy_metadata_iv": "03DF01C31BFD869F191E27F7",
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-      "extended_unsigned_metadata_key_hmac_key": "30816E0F3944828703E21200DF972723EDD4DC165EA53FF31563558D81EAEBD3",
-      "extended_unsigned_section_aes_key": "EFB515201E916B30464965F465078001",
-      "extended_unsigned_section_mic_hmac_key": "84DFE34C2F1CB6804E00A19D774821FB30D8F615AC8610BD605643D5F3C842EA",
-      "extended_signed_metadata_key_hmac_key": "E6FA262382E1D246D54FC16B7C72A37F8E12DE2871AE314C4281F731FD277EE8",
-      "extended_signed_section_aes_key": "7D5DE413E4D2148E345FC11E91C34F03"
+      "extended_metadata_iv": "DCAF4EE02030391ED3CD7F95",
+      "extended_signed_metadata_key_hmac_key": "3005D2AC8751BB063FA60C92BF0FB746AD0FB8B19774E615417BA9FA35328774",
+      "extended_signed_section_aes_key": "94E0827FA59F6B186FDF170F36F963AC",
+      "extended_unsigned_metadata_key_hmac_key": "F4CD9A9ED2441CD5BFD3BCEDFBFA642863B1E53C996038127BA1D445E1E617F2",
+      "extended_unsigned_section_aes_key": "F4ADE7CDD000DC96CBBADA9A56D256B4",
+      "extended_unsigned_section_mic_hmac_key": "4423288BAD2B71BD7724B9611AD4E4471E092CDCC1A88D8B7DDEE5F3E50E2F8E",
+      "key_seed": "5969CC5291A017C0D7E5E707622D1B98E819C1DB434CB3FD8459FF1E29895926",
+      "legacy_ldt_key": "BF37338E48245B368190E127AD606058538E37C5F92967E39D479A1284336454A962FA527B19479651312E1E7B23EFF67A7489630CFC643B1A72B794EE9FB9DF",
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+      "legacy_metadata_key_hmac_key": "74023CD383FEB749C832E9F72BECE54BC18D329B469560ECC1851679EC774BAD"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "23EE",
-      "expanded_salt": "38710BD439E96526696ED490403540EC"
+      "adv_salt": "7FE5",
+      "expanded_salt": "775704D42753C4DF47623A4D919543A4"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "78A1C811360442BF9EE651EB279B",
-      "expanded_key": "C2EC797F7D57208F39AA928736409B9A"
-    },
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-      "derived_salt_first_section_no_de": "6F452DBAB8DC0CBAA8BEC4E89AF060C7",
-      "derived_salt_first_section_first_de": "9E8DCBE3FCB77D2E66556D0C2192B1A3",
-      "derived_salt_first_section_third_de": "465B330E53F032034A718E6AE523F61E"
+      "expanded_key": "F5F19BCB1C7BF3C0E8E05503FE83FAD9",
+      "legacy_metadata_key": "FDE54E763157F69FD9D4F5945343"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "0BEE431CA78408AA242C32DF1E25D999",
+      "derived_salt_first_section_third_de": "A344605B9831C14A7654B644BD683569",
+      "section_salt": "CA3B29994B545048EE6A7EA9C560DD49"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1D6DC544DCC7BF6432B61E7D",
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-      "extended_unsigned_metadata_key_hmac_key": "12A8603122C5BA95CA7D88ACCE0F4A3D3720BE9EFF6E432C3D1FF0575EBBFD36",
-      "extended_unsigned_section_aes_key": "F6E9239C5CDCBF6B1619137371CCE05B",
-      "extended_unsigned_section_mic_hmac_key": "62C73CC1E241B6309C4CB1EF5D77E9E12FAD546D7D83F634517B1367E6E306F5",
-      "extended_signed_metadata_key_hmac_key": "9B149FB5DF0FF673C0C4B4AE3AD09EF562AE82C13C69D2E9B4DFDEA4DC7267FE",
-      "extended_signed_section_aes_key": "25A4DFB8930C23571288737204FEEED6"
+      "extended_metadata_iv": "68FFDADE3202DE1DA56CD368",
+      "extended_signed_metadata_key_hmac_key": "E96C610B8077786D79D22B58FDADD525E9FA6D9013400B3832A6E981659D9CDD",
+      "extended_signed_section_aes_key": "F74BDB8AE40557AA90A020B85E044E79",
+      "extended_unsigned_metadata_key_hmac_key": "E0D7DF3FA674E5914986010F9B9B58D891BCB138CEF41E6D5B9F60CB2B06CC0A",
+      "extended_unsigned_section_aes_key": "1F4CA68D3DEACEC678948B30757D949E",
+      "extended_unsigned_section_mic_hmac_key": "1D75CBFC21849EA098EE3780995CA6118BCE53355F39084B790B20A5B8344469",
+      "key_seed": "3DB8FD3042C5C5E804A6302BF92F7C3B617A2EBADE55F9501FD552D8DF3F5993",
+      "legacy_ldt_key": "E54B557FD2682442872CDD9DC2CBD65479D59EBC97C7DD4C2C7BD89F1AABDDABA5CAEB1D86528F27EAE021B1007203DA402A2468B5A9E9BD9BE1E324C9DF3F91",
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+      "legacy_metadata_key_hmac_key": "C86CC43173495EF81ADD4EFD3D35A7814172483D85E493EFA05F41BA4CEBEA1B"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C28A",
-      "expanded_salt": "D76B0C049A32A82D15ABE14F471280E2"
+      "adv_salt": "C0A5",
+      "expanded_salt": "244CD27D415002056D9D62383D809E62"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6213F97B3DFAAB9F6FA6ED8AFE0A",
-      "expanded_key": "34956E31847A5704920198742FAC8F32"
-    },
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-      "derived_salt_no_section_no_de": "6284E0337DBCCC768D600A45B4E4741A",
-      "derived_salt_first_section_no_de": "D4E7F88F21916666E63DC9EF1AE048C1",
-      "derived_salt_first_section_first_de": "63356A6DC5E4FCB7D0239F7772B65E60",
-      "derived_salt_first_section_third_de": "BEF309E971A8DF372214A1697E479079"
+      "expanded_key": "3AA9099B250EE13C31BC0F8E84D76D38",
+      "legacy_metadata_key": "0F819C2EE934589BA652E7C9127B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "34231A56443CE8549AD07331E4E3797F",
+      "derived_salt_first_section_third_de": "FD47481E49B5B0622B358646C185A1D1",
+      "section_salt": "22E31B15A3F86075E8C02C8306969C5A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "938B9BC046F725640E4B261E",
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-      "extended_unsigned_section_aes_key": "344E8D37D9E2936B9C93F3DC62CFAA2F",
-      "extended_unsigned_section_mic_hmac_key": "5EED95C0BE95A77656222939BDD9FAD32F2F42A344BD62EEDBB147BA99006256",
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-      "extended_signed_section_aes_key": "72A27C4A5EAB19AFF7A4BFFF73806A72"
+      "extended_metadata_iv": "08A14DA68B58503005D03B83",
+      "extended_signed_metadata_key_hmac_key": "3B5231AB5BA0BE6913A020C0F8B5DB669842555865385E21D3850C6FB66AAF03",
+      "extended_signed_section_aes_key": "9BFCF51FB1860538DB3F590F1D18B4FE",
+      "extended_unsigned_metadata_key_hmac_key": "6BC779EF293D84ECF63FA20AC5C29D8CB0A87F0A16AD3B03B1AC9FCB2C48FAB4",
+      "extended_unsigned_section_aes_key": "0DA2306C1EEE8209AD01297F9197FD48",
+      "extended_unsigned_section_mic_hmac_key": "36EB99CC32D1B0719475957C7EEB914BEF09A50073ED2564B68D5C46C1F6C58B",
+      "key_seed": "D80E8B37F9129780B376B056FD18BBD100DF041FC889A30FF2FD680EEC7A532F",
+      "legacy_ldt_key": "B3DF1924FAD2816C6164CE14166DB6613FF31DF2EE1DAE0EAA84D6F55A950CC350B7BC1C1788FD9DA19C7E124615158584084D6BA8E21B7B14123E32F02088E4",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EEEB",
-      "expanded_salt": "FFC3FC1220803FD434124EED1BC19789"
+      "adv_salt": "30BE",
+      "expanded_salt": "A3DD6BF61D2789A4F35600831AFD0DBD"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D8DA637A8DC76C3A8F28E60A53DE",
-      "expanded_key": "37018AD521BEDE1C057772B11C852B07"
-    },
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-      "derived_salt_no_section_no_de": "3A53DF6FD45AAC2D8474D3AF345B1591",
-      "derived_salt_first_section_no_de": "63623389F2F1FC52CC18DFBF1DB7FDD6",
-      "derived_salt_first_section_first_de": "EFC4C7FD0DD41E1F612A9615B1C5E7D5",
-      "derived_salt_first_section_third_de": "8C912CF4F029A528C5C0B03E8ECBA36E"
+      "expanded_key": "0FAEFE4102BAF03F96E7EE72FA75BFB9",
+      "legacy_metadata_key": "FBB1C15E6B56721F80C1EC96D8D9"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "34EE79A64E967715B4617353816D54EA",
+      "derived_salt_first_section_no_de": "BF9E05F939CE6F2737D8346126596F89",
+      "derived_salt_first_section_third_de": "4BC2A3DC94D6205DFF86BB1CA789EAD3",
+      "section_salt": "7AC426DEA6A797198A5A5A16C2B7CAF6"
+    },
     "key_seed_hkdf": {
-      "key_seed": "23BF8A088B59098A6472BA41973D9BF97EAA0D8B35D2876EB6CAF0A6074FA9C1",
-      "legacy_ldt_key": "B1E5D364645C751E0DC8EF1A9723BC43AE4D1833369484C29E248B4F7C50A1F9CC8E23840422CFA48694F47FD33DB42320539188453C351D1E83412EAA549A42",
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-      "legacy_metadata_iv": "83EA3DD10184A2F3F0189C89",
-      "extended_metadata_iv": "091BE07003A444BE986B5E2D",
-      "extended_unsigned_metadata_key_hmac_key": "97E442100EB4B6C0A9D1EC78406BBA4723EBC853DBA048102DF8A80F7322A9A8",
-      "extended_unsigned_section_aes_key": "192F1B98B790FA20DE5D4AB668FB2F77",
-      "extended_unsigned_section_mic_hmac_key": "AC192AE1CC58713BB25BDB474AA8F0FD5BE240A601C6AB7BD6144DEA5A3C5D45",
-      "extended_signed_metadata_key_hmac_key": "9606EA845AD35E3FEDCC290CB4C1EA7AB5C4350056BD8AF856535A114FD05EED",
-      "extended_signed_section_aes_key": "C8A731A2B6939D4D32961393DE954C05"
+      "extended_metadata_iv": "BE5155C9F4D915FBA2E05FDC",
+      "extended_signed_metadata_key_hmac_key": "6E262236D452D5A43B56C903EE34E87CFEFF447D3C5C8FC817E2682E9C3910B5",
+      "extended_signed_section_aes_key": "E94F202F8D70B5D7615078D6A71C0743",
+      "extended_unsigned_metadata_key_hmac_key": "2E083996CAA47EA029E39C3C5F54D630C0FDA75E6F62717DCE408FB8900E6160",
+      "extended_unsigned_section_aes_key": "EB2234F53128FC56F115B51B20135A01",
+      "extended_unsigned_section_mic_hmac_key": "C974F2D0F03A864717A4FC52CB686C67B1DC05DE8DC709157304404DF8FDAB20",
+      "key_seed": "5464334BBCAA8374B45619452E8809B3ECC52AC8B04331821F07FFF2B0335D55",
+      "legacy_ldt_key": "D12995B90514E0820617A9C62BBE72D6B6AE1E0FB7C66EBCDACC62C3B3F5B701065999F891338DB9DB2BF9960F11347BD963D58954D7FFE8B0BA998DEDE2463E",
+      "legacy_metadata_iv": "7BF09E6C104FB790B109B683",
+      "legacy_metadata_key_hmac_key": "09A1AF17FAB2444A0C197408EDC0F0C445F7238912FE8EDD9FBD732D3374C497"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C6B0",
-      "expanded_salt": "05B0B82FD707754C33F70BE8D99B77C5"
+      "adv_salt": "C873",
+      "expanded_salt": "C36197E47BED96817214FE53F7B8BF60"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "967338F17B2FA75702AF31E348D1",
-      "expanded_key": "03C9209399A521D7DD52A192EB90AC4D"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "92346C07CF810495E0AA4C06C8D6D154",
-      "derived_salt_first_section_no_de": "F1A6C3DA42FAC9267E5A07B97660A6B3",
-      "derived_salt_first_section_first_de": "F18A5CDC8B8EE0CD546EBA15BE74EA5F",
-      "derived_salt_first_section_third_de": "56AF7E95C7C3C502FE49459DD082080A"
+      "expanded_key": "1652DF9533EFE0B4676B4F7D9F3DA69B",
+      "legacy_metadata_key": "12408732B6899E97126446D02A1C"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "3A821153B15C623D3ACFAD4A6ECAEB2A",
+      "derived_salt_first_section_no_de": "63D457D96872D8D9809A142BBBA42D97",
+      "derived_salt_first_section_third_de": "C1F31C5BE5623F998B7A9CECABE4B04C",
+      "section_salt": "5B1CD8294C9C9EB903D2E0A5985C59DE"
+    },
     "key_seed_hkdf": {
-      "key_seed": "ADD3C40587169A0C0B096F90659E63341378B3DD55C810D1D95ED1542BEB39B1",
-      "legacy_ldt_key": "CA7B159DAF599145C066D9A35884E17BBA87BA1774FB3A24BADE7CEAD01AA32B2A55E636F09A91E32BBE1725ABC3554326D83A45C0E56DF7E0C00098313B12E6",
-      "legacy_metadata_key_hmac_key": "D5D382A418E6BAB1B55D548CEB8184567F169A4E9B0BB19F9C99FC72CD800B8B",
-      "legacy_metadata_iv": "1D84548DC5768D83D2911C9C",
-      "extended_metadata_iv": "FAB742D20AF38754AEEFD2AA",
-      "extended_unsigned_metadata_key_hmac_key": "DA5A0A01564CE670D6570D919391E59171434E158F3AF7829D00D287A57E7E90",
-      "extended_unsigned_section_aes_key": "D381AA660CE72CE0D2EDB64D1924848C",
-      "extended_unsigned_section_mic_hmac_key": "4B1D5E3539AAE3B4373E74354AB87729DC37188EE1987A50BCAB152E2E45EB4E",
-      "extended_signed_metadata_key_hmac_key": "F06E660EA31E954FEA2239F504518BC3067CE906FC65B8EC5621186B91923742",
-      "extended_signed_section_aes_key": "4C626465F7C170648F324E30A1F57377"
+      "extended_metadata_iv": "11D9F0848DFF8D20BE214A2D",
+      "extended_signed_metadata_key_hmac_key": "BF2665713BA1BA3CAD55CDB200B4F46C7C2F591A75AA3322B13FEC7E59154BD7",
+      "extended_signed_section_aes_key": "FD57A36F93C4EC37467DD085BAF83D9C",
+      "extended_unsigned_metadata_key_hmac_key": "15B66BE195E2FF4841DA040F727B6C03F6F5420E660C47DE184D063850F89848",
+      "extended_unsigned_section_aes_key": "9DC87771027EA5094766B6295BC81D24",
+      "extended_unsigned_section_mic_hmac_key": "DEF747139EF64B87AED05646B9AA77033A2CC77ECC6AA2EB3F5C39978B4CCD80",
+      "key_seed": "4B63DBEF072EFCEFA9FA09A69A42CE9F7C0E4968B54836C6BB86B1F2B8B564DA",
+      "legacy_ldt_key": "39FCC7A13B8FC57FDC86223C26E3133A62A1E500CAA87FD64732AE7F9DAAC1FC432971B0A013ABF8A53E5C2F36349CB74A8EC786685AE3703A53CF96CFF2142A",
+      "legacy_metadata_iv": "04C374F9BD0DFD2FE3368C1D",
+      "legacy_metadata_key_hmac_key": "044F2A3ECEEB8E8C533C5FB73E5CD0F4F8CA4623092517BA012B2A32702A75CC"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7EE6",
-      "expanded_salt": "DAF397BFD3FBC875AF3B07C3E4728732"
+      "adv_salt": "DCF6",
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     },
     "legacy_metadata_key_hkdf": {
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-    },
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-      "derived_salt_first_section_no_de": "2403CC85F6C1B8C92686C35C48DAEFB6",
-      "derived_salt_first_section_first_de": "68C341E652D903D1BFE8243544C066C4",
-      "derived_salt_first_section_third_de": "9B6EC6F43E4B96C6CE76B8DBF2543FCB"
+      "expanded_key": "FFE88E73D4D9BB85D86D0B2E0C43CFD0",
+      "legacy_metadata_key": "E42BB50F7ACFA0B30C8A1E38DEE3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "EA48B7ECCEF2BC7152CA9105DA20EB63",
+      "derived_salt_first_section_third_de": "66AEF53611FAAD2824D9AC449BC52298",
+      "section_salt": "459ADB3F5D059A2AA370CC1AD7AEA832"
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-      "extended_signed_section_aes_key": "D4546AEFFD9C747FB570AB6F25D0E9AE"
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+      "extended_signed_section_aes_key": "EBA56A1A87BACFD1FC0B94D86645D08B",
+      "extended_unsigned_metadata_key_hmac_key": "523CA9CDCD6E9EB707AF499F5DA0EA2A721C60F5749320291494826147C37587",
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+      "extended_unsigned_section_mic_hmac_key": "111231E0C9B8681F1F4675D08A5DE7399200A051F360CA5AFBB6C801B4879047",
+      "key_seed": "4E687C6A287AEEB730DFD941D1947C317648E35C5F5F7E68F754D787AC0A89EE",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "D3FA",
-      "expanded_salt": "576A6F5E932ADDB59B00F5BD544CEDFD"
+      "adv_salt": "7D09",
+      "expanded_salt": "3CD4A08B4ACE8260698C21C9F84891F1"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "ED8609B433FCE22726572031F28FECD3",
-      "derived_salt_first_section_first_de": "480067DC4001DC5C89CA98851BDBD82E",
-      "derived_salt_first_section_third_de": "B6C474BD3A395DF5A0DE58E4EA713A21"
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+      "legacy_metadata_key": "0573589ADB7E25A058023CF1E3B5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "156C369271423186C6CAA678994D97EF",
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+      "section_salt": "6D1377F75695D5A2122945B5F53BDBF0"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A482DBFF2729F6A68184C189055C5C88"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "97A1",
-      "expanded_salt": "4241887FE8266F1628C601114204C19C"
+      "adv_salt": "AB1F",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "77EAAD4EFA42CB7FEB98135E6A37B822",
-      "derived_salt_first_section_first_de": "21714AF8F4561E8EC7D608BB5163F212",
-      "derived_salt_first_section_third_de": "92336C76DDF2B58E0588F51AD63016F2"
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+      "legacy_metadata_key": "B0D50D1CC107D91A76E1686B5C0C"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0AD85F4E420AE498BFEA44A017984AAC",
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+      "section_salt": "DA5E0E7BB6E287A888A7B98FF5EF8685"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AD26692D312629016438411E",
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-      "extended_signed_section_aes_key": "EE45EEBA3172CA4701F9BC09EA944A43"
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+      "extended_signed_section_aes_key": "663274E2E2498DD16E4F5042153CAF02",
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+      "extended_unsigned_section_mic_hmac_key": "AFDA6BF135E7CDE6B796E5679E8700B16C71547371A55E5796481BF249953325",
+      "key_seed": "B7BE2E92835D62F9ACB33C69D90E4E1519A166896C7387C7CF65F76303F24AF7",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "13DC",
-      "expanded_salt": "FBC49F4A52F45C1B7B939FA7FB40F6D4"
+      "adv_salt": "58E0",
+      "expanded_salt": "3ABEFB7F027CC95B81A54073BC6A7AFD"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "505C00F28FB3EC51889F29B53A6B10AA",
-      "derived_salt_first_section_first_de": "2E78D41843C5E30858E0FCE655FEB745",
-      "derived_salt_first_section_third_de": "EC334AC4655E388E960EF3327106C103"
+      "expanded_key": "ACEDAD02D3C7599B9ADCA8AF51EE40BF",
+      "legacy_metadata_key": "CDF107977C4E755BED6E13AAFBA8"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "9C12A5B52514578F1835B1C424220D7A",
+      "derived_salt_first_section_third_de": "B19F1E4FA24463D3BB8684413CE7105A",
+      "section_salt": "B22096DD07590B9E76D505A7D3C45F37"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "86529428D7DEE92802836271",
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-      "extended_unsigned_section_aes_key": "644DDFA11A8F6F172009CF006D750CE2",
-      "extended_unsigned_section_mic_hmac_key": "FB6CBDC2E2156D02C308FBA75FF005E9C4717F007E5C9BCE97939AE13D5FE6CA",
-      "extended_signed_metadata_key_hmac_key": "B9FF5725DEA9B139E0A47532C575CD8485129FD25A07503AE0AAB37B04C92A1E",
-      "extended_signed_section_aes_key": "426402767AF2BCF948042E87746C899F"
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+      "extended_signed_section_aes_key": "782012F8B7EF7A09450AD99B6584C213",
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+      "extended_unsigned_section_aes_key": "5C3064864274945AC02F8C0BB9C50741",
+      "extended_unsigned_section_mic_hmac_key": "4BB3C5EF3C36DA5FDF349CF25B2C919F9451B2A6DC6C4FFECC19409B0CDF851A",
+      "key_seed": "1FBF02CE8A22828AA19782E6E9BE0870ED99E5AE0D219019B09CE4E3F2CE997F",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C2B7",
-      "expanded_salt": "48BA360966E85E3262520E8930A9598B"
+      "adv_salt": "C822",
+      "expanded_salt": "144F673ACA3C4911A0E47EAF781ED896"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "3A6375CA4E3D66915F3439697D8CB509"
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-      "derived_salt_first_section_no_de": "F8644310CBAABF85E1CE60288361A50C",
-      "derived_salt_first_section_first_de": "7038D5CD9DFD9E66F06ACEA00B7D65CE",
-      "derived_salt_first_section_third_de": "D3658516508D1BC7446129F7BC464FE5"
+      "expanded_key": "2290EE0B0854B61567D54C88E64DD2C5",
+      "legacy_metadata_key": "9367D7A8AC2B4CC7B2739564850B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "8840D9A027750401C1FB501D971CAE58",
+      "derived_salt_first_section_no_de": "807555EA86579FAA70611BF72063ED5A",
+      "derived_salt_first_section_third_de": "507EE08D54A1911A82200A9A683FAA38",
+      "section_salt": "F57A2351F709EA147066AE5B1BAD4B99"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "B161DF9BA7C8C26D8B5471D8EF2820F2D2B28F22222E6543354BA113338F7A1D54AA9C7E82370739CF20393291158B992753A870568E956FAD1816686A2A7F48",
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-      "legacy_metadata_iv": "EA8BEFE63E118EF0F8957960",
-      "extended_metadata_iv": "3D8C8D896300473CE6A2843C",
-      "extended_unsigned_metadata_key_hmac_key": "6581040174E9DD1B8739BF2033F67439D08D081484A9F198BB0AD2F291FAF16E",
-      "extended_unsigned_section_aes_key": "5CAD20D96477AC9F91B643A87A9F552D",
-      "extended_unsigned_section_mic_hmac_key": "2BDF2E8D1EAEE3BC3D3C5E81ADBA1573668FCE2ED8B68110DAE1F3A0F53E4970",
-      "extended_signed_metadata_key_hmac_key": "D0D33E71CB84C5BB498639DC1ADB9F02390B30F2C3D7E840E28A1BD69B3F70CC",
-      "extended_signed_section_aes_key": "144BD6564F72B8B83F97073119350FDF"
+      "extended_metadata_iv": "78D9D2D3EE82D6318FED5F58",
+      "extended_signed_metadata_key_hmac_key": "78A7B437A40B0F0DB74A65FA909D9B3C0D33692BB1DACD17B157A0D83F2615FD",
+      "extended_signed_section_aes_key": "5515A6336CEC29DBE1D376F86DA40403",
+      "extended_unsigned_metadata_key_hmac_key": "BB8D091EAB82DB3B266F3A9CECEABA3EC86206EB1FEFFDD4983902E1B8FD32BA",
+      "extended_unsigned_section_aes_key": "92227DB0E98DFE6CDC51194DC7932158",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "AB83E91482F4BD3BACBC39318DFE27CC"
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-      "derived_salt_first_section_third_de": "602E4CB63DC53C4E8CF91228153EB386"
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   },
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "780C89CBB32BD8BFFB91F25D680164FA"
+      "adv_salt": "0117",
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-      "derived_salt_first_section_third_de": "E71A731FF26E9CDB22C5454362264296"
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+      "legacy_metadata_key": "582C6757F63658F595029E278D0D"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "29E1DD154BE8D2D28EAEB9D3A59DDFE9"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "E52043F9B8E353BDA5E4AD06587B6A8A"
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+      "legacy_metadata_key": "E5E172FAE87FB565EAE537491622"
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   },
   {
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+      "section_salt": "322E558693049CE01A460E9D7FBF6A6D"
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-      "extended_signed_section_aes_key": "E994F66BB4723A50C282FEFB782C0F87"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CE68",
-      "expanded_salt": "0F3B2317E1AC511222058BF380A96A5C"
+      "adv_salt": "78C6",
+      "expanded_salt": "E68F4B74ABA24450A44741F2E1C32807"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5005A45800DBA0A7CC708E310280C7B2",
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-      "derived_salt_first_section_third_de": "93D71115EE5B58522B40F64421518318"
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+      "legacy_metadata_key": "E9C11D6C4431A4B7D3A9787E9DFB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2A25E7C5F8708E26C0655E04EE5B5969",
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+      "section_salt": "9934945659C70CDF0406C46F337D9220"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "3729BDB9959F879EFA880AD5",
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-      "extended_signed_section_aes_key": "F202DF8F49F5C2FE718A8B1A6C020EBE"
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+      "extended_unsigned_section_aes_key": "91A5C657896E50F3AF3E26E0032B2069",
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+      "key_seed": "CC0CE506AA8EAE35491F3856C8B769421C9979ACE1EFF49806C53DF59BB0D9CC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "290B",
-      "expanded_salt": "47EA98674F5B6FBF1C5932424AE7FB68"
+      "adv_salt": "3BF0",
+      "expanded_salt": "9FCA6294AB22942F58C1A8F8DC415546"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FEBB6C5418CDD932BE7579CB8521",
-      "expanded_key": "952AD1E3266DA1A91C83BFE733C22571"
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-      "derived_salt_first_section_no_de": "0240E9BA89A09C5450F135EE423E2BC2",
-      "derived_salt_first_section_first_de": "89614BC3FF2B49ACF2135643B7C8ACB2",
-      "derived_salt_first_section_third_de": "5D6FB452053B472B22EBC4C2E2FAB936"
+      "expanded_key": "141A15BEA9F2044BACA224E8ACE04447",
+      "legacy_metadata_key": "A8AE8FB49EE658BD826FACD17EA7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "2D8BB16B5F71B2DB7F9F263132ED62F3",
+      "derived_salt_first_section_no_de": "ABDCC10CA9F66948F1F3B62ABA34F637",
+      "derived_salt_first_section_third_de": "32A72BE8C7501A192CE89F0B4613F68B",
+      "section_salt": "7306EBABE8C55A5963E0E52818284579"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "C6CE9DC062333E31806DFDA0B06899E82C07D11C934707084029176C9E9E6A1369903E6FA1618CB158093BFC92C72FC51137E6290D4B0F95F09DAC94A32A1377",
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-      "legacy_metadata_iv": "C28F9820A2ACAA98DDF834B1",
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-      "extended_unsigned_metadata_key_hmac_key": "70F056889B4F81D2E77162A7D8655C2427522D48F9156EB77EF8C76C108E4627",
-      "extended_unsigned_section_aes_key": "F27E74B2C73F02BCEA255F3BD52CDAC2",
-      "extended_unsigned_section_mic_hmac_key": "EE294B28BB6259E7B3AC19CFA6BE8BB9A849C71007463B2DD55A7EF26443F09E",
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-      "extended_signed_section_aes_key": "73A1634B03647CD6F525DA219CE80046"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "2F682FEC0D1C8B3C58567EFF42639D06"
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-      "derived_salt_first_section_third_de": "CD171DF324D4D0A1B8FB033F87F9B0F0"
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+      "legacy_metadata_key": "79BC41EB680B3C50D9AAAFBE5639"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "6AADD5ADD8F296A7E5EC5E01BAD19638"
+      "adv_salt": "F77B",
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-      "derived_salt_first_section_third_de": "B8C61DA7497326549BCDF2812BB70295"
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+      "legacy_metadata_key": "10157DA954B4566B0475FC5916CD"
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   {
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+      "derived_salt_first_section_no_de": "D3032F2936F05401826B02DA9A45234D",
+      "derived_salt_first_section_third_de": "507447D87963B0E15D5DA906DF0522A9",
+      "section_salt": "8790D9980276EB86D99568802A9073C8"
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-      "extended_signed_section_aes_key": "803720A711E129C67A8081D83B8DE012"
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+      "extended_unsigned_section_mic_hmac_key": "D67AB0F5E7F61CB8DF4624F45210D8403FF727DE783707C14BA5156EFA5FE400",
+      "key_seed": "BB97FB00721D8F218AE3867397395827F84D240AC582F8EEAC26AA5FAE2C45C2",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EBC4",
-      "expanded_salt": "7F3E0526F452C7F413E5A5D585D568C7"
+      "adv_salt": "E42C",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "32A6C9C39EC8CA473ECB9DDB61FE8156",
-      "derived_salt_first_section_third_de": "45C0DE7D94AEFFED11F3AB973529C5C0"
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+      "legacy_metadata_key": "F37388E0DE962D0C8D168ACC21DB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "BD2CC2C24E7442EF5B386D680E572AC2",
+      "derived_salt_first_section_third_de": "7CF4FC9905C1B60F7135AEFEB3311903",
+      "section_salt": "875AC8ABD89C119C5D301EF84EB3900F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "3C35AA3567830CC8D07C676A7206C4FE"
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+      "extended_unsigned_metadata_key_hmac_key": "EF64BAD8588415502E1EB4017D7D23C00BC17646ABAE08EC59367CA011C553DD",
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+      "extended_unsigned_section_mic_hmac_key": "F0BC3AED15F3B4818D2F68A3EDBFA4C28F12247EF3D09172A7255D845A766E64",
+      "key_seed": "2E46198E0DE888B3631F1537898D45CF845E2C9F4A7E2BD092C89F57B09A8B06",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A825",
-      "expanded_salt": "10BCC3C8112B83DDBD3D998D27AC8990"
+      "adv_salt": "EAD7",
+      "expanded_salt": "FB9FA13BAFBF567AF04677E5C3D1AFBB"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EB54ADCDFB822B516B92E2627FCD",
-      "expanded_key": "9506C933556C1152593E5D1FD9AF4536"
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-      "derived_salt_no_section_no_de": "FFC20B5ACB10C4EDE5B1EBEF6B27388D",
-      "derived_salt_first_section_no_de": "2CDCB64F9B9A79778DDD5C610ED2C775",
-      "derived_salt_first_section_first_de": "E20F9A7D189A7711E91512A4150C0B13",
-      "derived_salt_first_section_third_de": "80C10E65893221B523CA6ECB0358CD56"
+      "expanded_key": "AAB130F20A266E226F8DB3B4878D1BD3",
+      "legacy_metadata_key": "1531BB8800227C27D6F81C94C98F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "6F4CE9D0FAEBC4D7102A76FAE3497F01",
+      "derived_salt_first_section_third_de": "AA3EBD15D8A9FCCA161640ADACD7520F",
+      "section_salt": "66187FC36CF7E5BE9A07DD102EE0E001"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "25EAF0E6BAF9A4EDBED6D243",
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-      "extended_unsigned_metadata_key_hmac_key": "F1A522BF9D93CF87488056D7FBA3E019B6411DBF9959976AA1A8055EE140AA66",
-      "extended_unsigned_section_aes_key": "9B345003DC0947A779D5A6BF896562E4",
-      "extended_unsigned_section_mic_hmac_key": "194B37DC815D25FDFFB4F5114641858E59EB3F0C0DB2B4D5463D9C50E04F73DB",
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-      "extended_signed_section_aes_key": "C497A6814D6F71CD79E28221291BE261"
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+      "extended_signed_metadata_key_hmac_key": "3868BA24F205A5E29237E3927017233F81B1FBBFA6D7921417433A981EA21399",
+      "extended_signed_section_aes_key": "3077CAA80D060C50D3A3EE4B8AFAE32B",
+      "extended_unsigned_metadata_key_hmac_key": "EB11B5D77E12FD7E7E12D43DF456DAD1083AC421E7A3C3EF28B955CCEA143870",
+      "extended_unsigned_section_aes_key": "06DAFAD32969A71AA66FEA199DC94A32",
+      "extended_unsigned_section_mic_hmac_key": "CDD00087381A71728C99E962B30258D0E4E8D572FDCE11BF2E33BA332D3EFD41",
+      "key_seed": "555E1183AE2020BAD23A021DD708E873BB678577047E471A581A7959B1A71BB5",
+      "legacy_ldt_key": "37766D84441A51C413B82EFCD9AB6007DF93D094E2F438101D8F77B69A582AB5F2E0902C52996E8A8071F57995811360B77BB100999A6F820028AEA9E528FB07",
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+      "legacy_metadata_key_hmac_key": "2F55912BAAAD593A62ADFA8062A77DBFBAA01F7AE34F3FB59A88A79294006E44"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A629",
-      "expanded_salt": "113FBE84DE854D23CB208E29532B180F"
+      "adv_salt": "FFB3",
+      "expanded_salt": "D4E461B2045581EB499FF00F0BF06D9E"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2954B2CF97F48F883551CEC711AC",
-      "expanded_key": "D9F524B871B8B07C9A6FA46BA3538C98"
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-      "derived_salt_no_section_no_de": "252766A8C5FC98B4E5EFF95137AAAC36",
-      "derived_salt_first_section_no_de": "E20D4342C5071EFFA67080DE49F3ED3D",
-      "derived_salt_first_section_first_de": "CF2E652DF2E19ADA9EB801500AE2728D",
-      "derived_salt_first_section_third_de": "3A3222A350C6D08CCBC0E1E3C2958890"
+      "expanded_key": "D49293F928212EB4CD7BC93FB7F64607",
+      "legacy_metadata_key": "7BF3B9C9FFC797C87F1D3217B267"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "5BD38FEDE26C0EBB798BFC6B321AA108",
+      "derived_salt_first_section_no_de": "A6A7C7E8110BFB8FF5D90E24E6C95B8C",
+      "derived_salt_first_section_third_de": "7EC295CC0326F5CA5734D53D5A545655",
+      "section_salt": "8FC46B750B637A2843DE1A94A923941C"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "BF740C0D7790CCDD7D4536470A123D060DF0576E3AF9E6942FF771964229A696AD9445F77C96E1F23F76345A239A63581350F49B753C52E3015C37F8DB7B194B",
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-      "legacy_metadata_iv": "4BBF75530D308846D73E8085",
-      "extended_metadata_iv": "B2E7BC91415CBB67DF12454E",
-      "extended_unsigned_metadata_key_hmac_key": "E166E426B8A4BA16B82F5B557BBCE58D37E46CEB39B928936DA86427E8017BDD",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E383C2201C82DB1000787FCEF75532BB"
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-      "derived_salt_first_section_third_de": "3EEF33D608EEEF6447E905E217C2EF0E"
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-      "extended_signed_section_aes_key": "A5A85FA5BE417FC4FE63478D55A85989"
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-      "derived_salt_first_section_third_de": "076E33C8C9BA9959FF76CD65C8882ECC"
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+      "legacy_metadata_key": "02406DEBD7E22974EF80D202C8A5"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D1B3299388E5D2B77C835DD9C7C53BD6"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "6CD1E7026D3EB6ABE46E5BB76496DE60"
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+      "legacy_metadata_key": "34F3D7BD56E6D8E7101FADDEE6CA"
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   {
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+      "derived_salt_first_section_no_de": "53D0F38B9DADB5D933B7D597000F0DF1",
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+      "section_salt": "1649ABF84B63B4D8A5D886EFDBFF7825"
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-      "extended_signed_section_aes_key": "D95FCC226F7C6F5D2C794E65B81B8197"
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+      "extended_unsigned_section_mic_hmac_key": "84054C64F22389F877960CECFC45B14948280C5CC8058331BB5F3765F9E227B1",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "EFD7A77020DA15ADBFB6BAD4D8160B51"
+      "adv_salt": "4EB4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "BF0F99037183848AC38B13E226DFE070",
-      "derived_salt_first_section_first_de": "C7BD15DC6BD28CA7A9BFB39B13012D63",
-      "derived_salt_first_section_third_de": "2388CAE33DA48278EBA6F1CC702D7CC8"
+      "expanded_key": "795169A261368C7F491D4E3D4FEA2814",
+      "legacy_metadata_key": "3EBC4AFA6161AB1637CA8CE3D446"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "323BB13ED3C43B79A4EB2C2863F07BD0",
+      "derived_salt_first_section_third_de": "E4C365B11925C27471D857070FAA9123",
+      "section_salt": "952ECA8748DD0B6C7194CA5C5BCDD25D"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A22FB1EAAE47EC9F712F17516DC03686"
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+      "extended_unsigned_section_aes_key": "37D12FC2A60902EC297E6BD5F2F49AD0",
+      "extended_unsigned_section_mic_hmac_key": "4E13EFA91AFCFFB56A0563CFE0AF410479C5E33C142EAC0976D99902B0A6F2DA",
+      "key_seed": "DB3A297B0BDDBB9CC8B88747DDC0075B218E7875CC1BFF5DD4658BA60B224927",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0C42",
-      "expanded_salt": "D9D29F8346BF33BDD7AD39634B5FF841"
+      "adv_salt": "C6B1",
+      "expanded_salt": "9F9C3ABA4797D56CCC10BB275DFA6B85"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3C3B145DDB21F810A8F789C58811",
-      "expanded_key": "8B2DA9D5764C22F811190B8FEA24BED5"
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-      "derived_salt_first_section_no_de": "80DBC7552EA55FDC50A7370C728843E2",
-      "derived_salt_first_section_first_de": "8620EB1DC947E47DE25FB2A72243CCA4",
-      "derived_salt_first_section_third_de": "C1A7AD42FDE69EFFA133E6D471984E77"
+      "expanded_key": "DAAF137BFEADD039573CCD869F8CC16F",
+      "legacy_metadata_key": "F11483E53BB601CE7555C0C411BA"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "486039395EBD4C19BF4BD62CB5DF1A40",
+      "derived_salt_first_section_no_de": "55C815F087DE1659A13829C449B6F786",
+      "derived_salt_first_section_third_de": "8D71B03DAB57ECC40DA38210D0C91393",
+      "section_salt": "217CF7C205A9294DAC52769A0300A3E9"
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     "key_seed_hkdf": {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "9322EBFDEC99FD0056CB6044989F7A55"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "FF618A20F688F30CAF9C31304604B084"
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+      "legacy_metadata_key": "FED166ABC4B252772A51492C3AA2"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E736B6EF28D39429839DE6DCC28F5CCC"
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-      "derived_salt_first_section_third_de": "4CD511AD7ED5C162C18D7821DF584764"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "738CAC9AE6D8A297318CA040607F2C99"
+      "adv_salt": "5851",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "36057416B7DCE5D708C243A158FF6917"
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+      "legacy_metadata_key": "78590B76939262A6BE85BB720AA1"
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   {
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+      "derived_salt_first_section_no_de": "6173F1AFF193A716760CEF64D00FD333",
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+      "section_salt": "7AF383C70DF0CEC17AF37C848C199C10"
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-      "extended_signed_section_aes_key": "8A1DEBF6E7EA07284435DDB48E5B9632"
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+      "key_seed": "D95E697BA587296E8AA0B1C7DD76473B8A8387D4699A05428A9C6304E266BCF6",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "68ED",
-      "expanded_salt": "FA27171FB7B681EF58EB0DDD0A1B1C3F"
+      "adv_salt": "DD99",
+      "expanded_salt": "FE3A8F074E277B0355AE11370323CCCA"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "1BB955768F39551FDA4B058090B0B513",
-      "derived_salt_first_section_first_de": "36AE9178C6972EDCCF2FE7F0C340FAF5",
-      "derived_salt_first_section_third_de": "25668288E9D9F082E38907688DCD5047"
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+      "legacy_metadata_key": "27A6D06E6ADA6184D95D52B5F7DE"
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   },
   {
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+      "derived_salt_first_section_no_de": "8DB6445C9A40CFD2FF9A0702C84A58B3",
+      "derived_salt_first_section_third_de": "4CE75284B119ABE422BFBC5375224704",
+      "section_salt": "D1A4DA88D12B4F567A97F2AA8DA97368"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "ADEB3476D4BB69E81D4B3D0D04BA5F2C"
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+      "extended_signed_metadata_key_hmac_key": "68F77FCE27DEF6FEB43F97E03D2FE831F5E7B5DFB72FD05A9345ADC9B9B2BDAF",
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+      "extended_unsigned_section_aes_key": "18CC83326904275EC873DA8C3A5FA7D7",
+      "extended_unsigned_section_mic_hmac_key": "A92AF65C707FE23361FE40A3FFF3492C610CE332F494B2D444B7EAF50C649E37",
+      "key_seed": "A5F5F9E0E1706A30966B44199AFBBFA553567A80ED88F3B7E23A8AC07F35527B",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2580",
-      "expanded_salt": "28F8BE7963FA928130AD34FBDA3D042D"
+      "adv_salt": "8B1A",
+      "expanded_salt": "11879D85C5CE864CC6C8C20F14B6E36D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "2248A3DAC8E2A2DB916E4A65CB99",
-      "expanded_key": "385CE55EA5328509E91A7B61CD621BA3"
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-      "derived_salt_no_section_no_de": "3E566842DBD749A435442AE767630280",
-      "derived_salt_first_section_no_de": "ABF9491519706DE6EAEFAA26379CA9E3",
-      "derived_salt_first_section_first_de": "E8FDF2E686DB575ECD50B0AC0838E42C",
-      "derived_salt_first_section_third_de": "A7BC67F9AF2FD3A9352FD2BA6A323EA0"
+      "expanded_key": "DCCBFD7D9A97BE22A4E1B080E5DC3036",
+      "legacy_metadata_key": "3CE9088DA0888D88D707FCAE0A16"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "58D47CB093D91F35C0BEFC0BAAC04AB6",
+      "derived_salt_first_section_no_de": "C5D12343FB491F3962478CB5E2D70489",
+      "derived_salt_first_section_third_de": "9D3DB304778C9D62BB29A854FC9EB04E",
+      "section_salt": "C700E4A2F9B4ACAF1318EC2A4935D01D"
+    },
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-      "extended_signed_section_aes_key": "DB7199D724FF675809405DB97A534C56"
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+      "extended_signed_section_aes_key": "1F8D27D5FB0E7DFABA3B41E267CA42FE",
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+      "key_seed": "280D056EAC97DEE925D67EDF993A49BA7C7FA5A61D19C191CC9A2E8F8F910B89",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "728E",
-      "expanded_salt": "36986356EA66D92D3FA8A625E79B61FC"
+      "adv_salt": "148F",
+      "expanded_salt": "0E7A0B9477B05591401FAD0CEB0A54B3"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "EBB5573F261B2C52DB5056CAACB5685B"
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-      "derived_salt_first_section_no_de": "034B848B8579704C283A8C2F0EC659B8",
-      "derived_salt_first_section_first_de": "DC198430F0DAEC8E529688CB57495728",
-      "derived_salt_first_section_third_de": "CBF51CD26D86466156A03A648F7FD72A"
+      "expanded_key": "EF888E11CE4D6A9F9DE22FEB3CC9A700",
+      "legacy_metadata_key": "1A6C6CAE9B1D37449ADED09CC8A4"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8AA0CB7D338AA2DE98DA592FED9A3D38",
+      "derived_salt_first_section_third_de": "EA9ADF86F2991617410EDA7633AFB3FC",
+      "section_salt": "0CEA8B3DF6FC8AB38BBF691F48DD3C33"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "54D2210BC77799A8F6A2D47F9CF41089"
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+      "extended_unsigned_section_mic_hmac_key": "1D3CAF24BE882C164FE81310884724CD49800B8DD384200BE25AE8E93FD381F8",
+      "key_seed": "3393A7159F1B6CE244572F4EAD0DEE971C0176CC9B8E2913A75150EEA14F667D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0E70",
-      "expanded_salt": "EA6DD961DEB5C72B53FE4767C4A252B8"
+      "adv_salt": "2AC0",
+      "expanded_salt": "9568D7BC4F83F6EF98A59CBCAE14A1A5"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "514F1CC00AF5EF4C2D82E25CEC030954",
-      "derived_salt_first_section_first_de": "51357E377FE3BEB0A680AEFFB5C474AE",
-      "derived_salt_first_section_third_de": "5881AD7BD33FA2BC74A800404C8474D6"
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+      "legacy_metadata_key": "7674B167E10EAD7FC2A7DD1A8291"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DF80950D235B1DB9AA576E38AB80F857",
+      "derived_salt_first_section_third_de": "AB9643741B44EE9901414AA2DB1EA019",
+      "section_salt": "34375BEFC870C43984779A3944C702D2"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "ACF09C15F5B4D705C8549BDE",
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-      "extended_signed_section_aes_key": "DB38A17977673045E293E05AFD423631"
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+      "extended_signed_section_aes_key": "B950C6823C591BD176BAEC938551A050",
+      "extended_unsigned_metadata_key_hmac_key": "B35CD9CCBE5D9D921B5701318BECCF15FF47C6670B6AAFDAD0D6E1DD946B965D",
+      "extended_unsigned_section_aes_key": "ABC37D7E48E95AB1A411B2539DE6C215",
+      "extended_unsigned_section_mic_hmac_key": "D4BAFAF990F40D11616690E2D3692CB35C9B6B6D513B3567A25213A1E2BE2274",
+      "key_seed": "2451D2D0BD1D5378FBA94031E5FA9B900A31C928309459CAA7B29064AC472A10",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BB8E",
-      "expanded_salt": "1E41E17555DB00184EB1760C4B45F183"
+      "adv_salt": "FC93",
+      "expanded_salt": "B09953F75C73E79F693D942F4E82882D"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "087C94F789D1C543793B90D85DE2",
-      "expanded_key": "AE4A8CC7E7D48E50BCCA5CE81728A286"
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-      "derived_salt_first_section_no_de": "B1A1E418B6F3739362DA156E224BBE9A",
-      "derived_salt_first_section_first_de": "2C4A6E0CDE9FE0934BD978A9AE2DA13B",
-      "derived_salt_first_section_third_de": "C539D0BE5AE34B733C1CD29F5E07CDBE"
+      "expanded_key": "BAB13D94EC7013ED1B71DD2AF406FA60",
+      "legacy_metadata_key": "51CC0BE55FBCC62797F4B9A2ADD7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "53E7416747A45D24A639ACF07FEF8A13",
+      "derived_salt_first_section_third_de": "52557AD5D07CAA526A10FA40697DF988",
+      "section_salt": "0120DCCFF47A682573D615EE873341EB"
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     "key_seed_hkdf": {
-      "key_seed": "85877E1180445078778BB26BAD0BF2250DE924E412711FD9218D8DAF66F12133",
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-      "legacy_metadata_iv": "72407FD13C88D82BFCF98F10",
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-      "extended_unsigned_metadata_key_hmac_key": "1E9B1091EBBC926404A87421CCAEC0E55960A3560C7BFC35D01A0424B69456FE",
-      "extended_unsigned_section_aes_key": "C3B8849849B6445315E52F5AB2C85731",
-      "extended_unsigned_section_mic_hmac_key": "706474D41200E95A022071CEEFAE837B88C2B60DC4B7EC2B3A4C99F9FDF284E4",
-      "extended_signed_metadata_key_hmac_key": "A4C93CBD6FB431692F5F2763553136D527C51DF765541F8B74383AEF367CF599",
-      "extended_signed_section_aes_key": "316BBFC787080DE7074BB77BE2B82D0F"
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+      "extended_signed_metadata_key_hmac_key": "198C9646852BB6459EA33F177F7A469A07FCEF923A377D12DC64267F41874296",
+      "extended_signed_section_aes_key": "8C27C6B8FE1D324BC6716F0047B780CF",
+      "extended_unsigned_metadata_key_hmac_key": "AA0F56FE6B969CF35D1C57635498F8AA47284302060D758112CB3F5ED0BB9707",
+      "extended_unsigned_section_aes_key": "EEEB3C1C7DD16E8E5A3680997975BD83",
+      "extended_unsigned_section_mic_hmac_key": "2D4D30170BC2F827727E6241ED39B856BB0FDAE1448D02E325F799C70BA9D44B",
+      "key_seed": "25011350393755A40AB2250366EBB6202FC695ED4DE0AA92B5D7C01CB8579221",
+      "legacy_ldt_key": "05D7D7F6E75F6AD8BEABF642CA7D8A02F7710A5431D9AF4D49A6E0053844E7498A420523996A7A8DFDBA33C6CF9164094773568124AD9627C3C747869E7127AE",
+      "legacy_metadata_iv": "EDF10A4BD0AE4DB7B9F283D5",
+      "legacy_metadata_key_hmac_key": "BF1DC0CB7651DB5F39ABDBE48E9A55B5AE5AAC2832D08A83B6E00099C180F403"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AA01",
-      "expanded_salt": "A9AAFCD9274BA2F87B3F5CCC0BF15B3B"
+      "adv_salt": "DF39",
+      "expanded_salt": "07238D9C77FBB8AD4AF274AC0A2FA358"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "74FCC67888A6824A32658C214CEF",
-      "expanded_key": "5F3C78CA801E5B7F289CAD9A4FC5C7B0"
-    },
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-      "derived_salt_no_section_no_de": "DAB4B893A75449076A359CCF26423331",
-      "derived_salt_first_section_no_de": "FE6B704A0D885D035B7CB3476AC4412D",
-      "derived_salt_first_section_first_de": "8756C93B9E489CA794652AA7E76206F3",
-      "derived_salt_first_section_third_de": "C6498CB183E755923A80EF0D1CC4AE44"
+      "expanded_key": "66CD488952944D53F322128CA1127530",
+      "legacy_metadata_key": "6AD3CB5EB0D9DF94849246876D01"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "BB04C6B15CA4A69B5E67FB3BF52A5AF9",
+      "derived_salt_first_section_no_de": "DD0BFE4D08CE1D904652CAC3C496020D",
+      "derived_salt_first_section_third_de": "4A755A9A85762B34C8AF866F61A54750",
+      "section_salt": "8DEB3EF67A89A0D1C6136A229C7FEF4F"
+    },
     "key_seed_hkdf": {
-      "key_seed": "21985AA17343C960178C35C518809CFE46248D236F6C307697378E882979E09E",
-      "legacy_ldt_key": "1ED6C93ACB9E900C6FACFE2F8CDFE486C94BE08B2A138D8233E1FC6F3B532F3B83DCC5D6F3B8F2A91F0ED3BEE9D316A6E67C05F3936D27BDDF785103828F2CDD",
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-      "legacy_metadata_iv": "5D6533F91501DCF1E002E6AD",
-      "extended_metadata_iv": "7C3165A5E9475A04020060EB",
-      "extended_unsigned_metadata_key_hmac_key": "9CCDDFA98003426D2AF6DD781D0BF6A345D24E58778E1F7DCFFD06F281EB1179",
-      "extended_unsigned_section_aes_key": "0A1F77FF47536C3FBB67507CB04D9A16",
-      "extended_unsigned_section_mic_hmac_key": "045D7879AB5F06EA29501DED18FCBB980CA62CE52E2A744445F8910FC379912D",
-      "extended_signed_metadata_key_hmac_key": "3716E8B75651362FEEE933E80369BF24D791EB7EE400676DCFE5B04FE799BFD7",
-      "extended_signed_section_aes_key": "485C97697B74148A262C3560B48B1B97"
+      "extended_metadata_iv": "5AC02B34F20102273C4E3376",
+      "extended_signed_metadata_key_hmac_key": "8973E4760643DF6066C56B148E3EF43DB9202B6CE6E048D5F26F64A0AB853732",
+      "extended_signed_section_aes_key": "6C0F81B7837062E2A841EFEC3B621EF4",
+      "extended_unsigned_metadata_key_hmac_key": "6B9DF6705A1B5083EFC01B057712B6895416F5944F7E50D5164C2A107DC6B9C9",
+      "extended_unsigned_section_aes_key": "81A8B8793628B92E9350866EBF144A8A",
+      "extended_unsigned_section_mic_hmac_key": "5B706C15BECC02602622023D84F403D7BECBEF10F5DEACD2AD3D2FFB328F08ED",
+      "key_seed": "D650FB442F1134292E7D0077C684A840930249F93C9B878C771CD5FD2DCA52B0",
+      "legacy_ldt_key": "B1EB0F261DBCF8A823E22C1CE7DD3B2BA24044DB7A0596745AA4E3600A1BD604D8DF5E23AABB13025DB2570FC097731EA09B1E470C227E9E6FEFBECAAD43A18B",
+      "legacy_metadata_iv": "A45B4C40160ACD9862C5BFF8",
+      "legacy_metadata_key_hmac_key": "00D1B0917B195AEDE3F2D7B39DAE2F5D4751CEE718376E224967B65DC62CF635"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F3DA",
-      "expanded_salt": "2F9A0F31E439699121018BD0EAAA7918"
+      "adv_salt": "054C",
+      "expanded_salt": "17BC91B0BFA276E151E05886E781BDB6"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E936FF5A285B60F2CC2A94CC3C4A",
-      "expanded_key": "23C5B884B1337CCA1F6A7001D48536D4"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "D17284A932C4DA0B9E2CC62531BF3883",
-      "derived_salt_no_section_no_de": "A8AB00E5EC2C17E8103771FA1CAFE664",
-      "derived_salt_first_section_no_de": "9C9227D1B465874E905DDDA3C37E853C",
-      "derived_salt_first_section_first_de": "8047014EAF94FFFC08F8417719C1DD3B",
-      "derived_salt_first_section_third_de": "7569E855C711F0A54157CA44455A1928"
+      "expanded_key": "A0DF18339AF3DF15E02524B6CDB2B979",
+      "legacy_metadata_key": "7C2A9A8779AB723860F7DFC2E799"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "F9E2BC7B2B5EB59BDCC0ADA300F711DF",
+      "derived_salt_first_section_third_de": "1CD74472812835EDA294279BBB651038",
+      "section_salt": "AEC905F4B4F8C02318F24E17C0F9FD49"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "52CA996401E69F5667546712",
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-      "extended_signed_section_aes_key": "4202BE620C922DD8808AEC77B6F20468"
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+      "extended_signed_section_aes_key": "3909DB8F91DA0F70216A7490ABA9FF88",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "506F",
-      "expanded_salt": "280797504FF358A2B31B65066BF3E1FC"
+      "adv_salt": "F10E",
+      "expanded_salt": "6C66323ECBD69F8267EB7761FAFDE7DD"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "E36DEEE8FCB9DADD909489C55C52A23B",
-      "derived_salt_first_section_third_de": "FBC211B9B79AB750B2F94781E5798045"
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+      "legacy_metadata_key": "B7488EB44E0FD3A280537F42DABA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "D9D30C170BEA556D4090352122D7161F",
+      "derived_salt_first_section_third_de": "EECBB26E6E1E996F785478A68EA1A698",
+      "section_salt": "B6452CEE0D28F3287D67E35F71FED5C3"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "55320807A4CDC8088B203D1F2BE4BF1B"
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7ADB",
-      "expanded_salt": "7EF02BEE4960F631273216344E68A653"
+      "adv_salt": "E8A4",
+      "expanded_salt": "D1B534EB067F93727B9CC8C476845D1A"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "26B626B8881A365E5CDE555DE1D387FF"
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-      "derived_salt_first_section_no_de": "4D632F0B9E2AE2D3A4CEA983C4F65602",
-      "derived_salt_first_section_first_de": "D0319473A8EBF005FFB1FDA2B787C621",
-      "derived_salt_first_section_third_de": "87434D50048984C3278B46CB3E1A4E98"
+      "expanded_key": "A150AD21CA1F980FC0A21A934E67001E",
+      "legacy_metadata_key": "29B4D712EBF111E6460D9585506B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "18D9FC4333D8ADA44D96CC152694FBD7",
+      "derived_salt_first_section_third_de": "CD6FC4641F2117F6E8A88D08C060DB0B",
+      "section_salt": "1C57B3A7E8E77D90035635A24CF99B05"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "63428CCC95FE02302FDDB8F2F701A2C4"
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+      "extended_unsigned_section_aes_key": "B18E2AE77D1C3287CA614669A7623FF4",
+      "extended_unsigned_section_mic_hmac_key": "BA1574B42F568FCEB9728563717BDA02F6349855F158276E2CD5435036FDEC8C",
+      "key_seed": "C680BE3DCB942C25F7BD48DC9B8DF0B40EC2332065864B3882A9EFFE1B7A859E",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "248F",
-      "expanded_salt": "98B0CB5EBE23655F7FE647D09A8B9020"
+      "adv_salt": "22F7",
+      "expanded_salt": "2552B02476F41839C9B821F6412D41E8"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B562F17834C79C542288CE8EE0C4",
-      "expanded_key": "53B9498E6032224658FF5F9745412D8F"
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-      "derived_salt_first_section_no_de": "5681AC0EEA46AEF003D75ADC879947D3",
-      "derived_salt_first_section_first_de": "2F302B74120DDB1F2075D9801F63EDF8",
-      "derived_salt_first_section_third_de": "38BC7DE8E0EC2EA164235CA94696DCBD"
+      "expanded_key": "410CB44DB0A18B20F8FBA666EAB2FCD6",
+      "legacy_metadata_key": "32A6DF9F2BA6FF591108AD36E48E"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "53E1C3DB50325B36C967853F30C5FBEF",
+      "derived_salt_first_section_third_de": "8E12C6B2FB0226E7270B595D807F3E8B",
+      "section_salt": "C6B11ADF2A64276FCA5C95D343F80AC8"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "ACAF964C12B96B577FE3F29E",
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-      "extended_signed_section_aes_key": "BEBB96FDD16205A959AF27F328E6AF83"
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+      "extended_unsigned_section_aes_key": "CCA4100A32BFBA148CC90CEF267F103C",
+      "extended_unsigned_section_mic_hmac_key": "B5DA0629227E4E3C054DF16F35A0ACE3B5D1DD5C4D51B9377D4B69C2EF417268",
+      "key_seed": "70833A8415896CDDF07B64B135063DE4180179CF2CC04244ADF71FEDC446FA48",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7438",
-      "expanded_salt": "14A1A9BA1FA888CC1D4CBDCC82B6F6B9"
+      "adv_salt": "278B",
+      "expanded_salt": "9B02F89BD3D54FBC4E846B64016C38FE"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "10046256C349D6B6EF6DA8AA3B37",
-      "expanded_key": "6587A62663AA3AD3A7E651B7FC2A7158"
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-      "derived_salt_first_section_no_de": "EE2667197813EF3786DEA5FACABF92BB",
-      "derived_salt_first_section_first_de": "2C9DB5F3B8D5F337F236E48B3D3F52B9",
-      "derived_salt_first_section_third_de": "7D2C3260A5CE6B3DD992FD2A9B1A16F7"
+      "expanded_key": "F5468900C84CFC1EBF1DCE747A4413AD",
+      "legacy_metadata_key": "127BDF4C0E8BEDE2C3D1104BB2A1"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "2C041A1317FDAB1A46614E8AD68EAE35",
+      "derived_salt_first_section_no_de": "57064BB1D7B2FCFAA823B60FA146E406",
+      "derived_salt_first_section_third_de": "C29B18AABA1403DB93E55EA06C333342",
+      "section_salt": "64FD1D316481C967CC1FDC004CC2AF5F"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "095835BC0C241FA4022D8D41",
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-      "extended_unsigned_metadata_key_hmac_key": "638D66BE1A2FE2E56B64F4EA4BB2EDAC7482674790DBA53AD432DDF3A234DA27",
-      "extended_unsigned_section_aes_key": "7BD5AE23360674E8E553C1A40096032E",
-      "extended_unsigned_section_mic_hmac_key": "14A34E8E53DC2A3436C6EEFE26763F001F09B0AF6D7C80AFB7A6E8DCC43854A5",
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-      "extended_signed_section_aes_key": "607B3F1163C2EA10923EABEC94FA234C"
+      "extended_metadata_iv": "4A0636312B3ADF62C09D19EC",
+      "extended_signed_metadata_key_hmac_key": "907A9EF7D107A156C2045B4F4DADA6ECD162EEBB6F26BBD359ECD193A1E0AE28",
+      "extended_signed_section_aes_key": "FDDA1EF2FC95A336D61CFA0BA7ED4AB0",
+      "extended_unsigned_metadata_key_hmac_key": "C292B0735B77207B90B9AE5A67E4CEB185FB38CB2A135201CBB391212E16F079",
+      "extended_unsigned_section_aes_key": "67F75697C60EB3D2A0797FD3820053B2",
+      "extended_unsigned_section_mic_hmac_key": "C652CB537B46A064FF1B48C883EBBF96BDBACEA246C65D4D9751D1F0EABDFD8F",
+      "key_seed": "B162BAAC0A26F0852E253BEB9913688670C3B1444BCE96C7A531398D4192898E",
+      "legacy_ldt_key": "D793771E918928F295A3F694D400E593595AC4C0127804B76D91CD9B77062354D702868856CF2C2A0761CBF3690A4CA83A21E4A931D09DE51C43FBDB45B3E0BD",
+      "legacy_metadata_iv": "5C510C19EF44A6EA162A20BF",
+      "legacy_metadata_key_hmac_key": "B76D3AA27720614B864F1778734B9E07EBD718D981E9B5E1CD812CFF2F9FFAC0"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "B134",
-      "expanded_salt": "900D50C60F723B49ED0572C691AB0BC4"
+      "adv_salt": "3C50",
+      "expanded_salt": "CD2B2D3749B39A6D9F5F62FA19962946"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CF54FA02177801A1BAA4DD76F690",
-      "expanded_key": "36A40D22EF5EA7EF0B023176D669F129"
-    },
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-      "derived_salt_no_section_no_de": "2DD010FEAF5199D645D91CA068DAC5C8",
-      "derived_salt_first_section_no_de": "35799AB2EE733CEABA5491CA47972645",
-      "derived_salt_first_section_first_de": "B270ABD100C8594F5C8F6046F13AEB4E",
-      "derived_salt_first_section_third_de": "9FA2817EA83242D80E2C97D733E8A7C5"
+      "expanded_key": "C5CA2A85548A6093CA7525E611D8895A",
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     }
   },
   {
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+      "derived_salt_first_section_no_de": "491FC0075BB3C221ABFEF96526066B9C",
+      "derived_salt_first_section_third_de": "A30DB0E71620BF007EC1F7AB218DCCCE",
+      "section_salt": "AADBAEDC98EA7B19AD40433BE3890605"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "FF0664B1591696C84015F27E6D418552"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "B2137493917E1BB147E06F04BA227B9F"
+      "adv_salt": "1557",
+      "expanded_salt": "FDFAB5807610890DD31812E4D0D2FDFA"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "0DDA3363B1A2397A67A659881ABA92B5",
-      "derived_salt_first_section_third_de": "840A0ECD7898F260CB4381ECCCE03A07"
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     }
   },
   {
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+      "derived_salt_first_section_no_de": "2C24F37D4FE06D37F2C5B8217A02DCA9",
+      "derived_salt_first_section_third_de": "7131F37E14FBA4E8727C0E98EF029642",
+      "section_salt": "EC91CCA16556DA697A4DDABE49FB3D39"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "68993CC8A2AABB6CBB6830C9EA0C6094"
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+      "extended_unsigned_section_mic_hmac_key": "9A67D5AD379D3BDA1C729458EC60AEF5CC611CEBC9286395154C16C04A08855B",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "05C2F34A61EDD9C0E081F27108EE6CB9"
+      "adv_salt": "EF69",
+      "expanded_salt": "B35C5045BAEFEB744E7CF0DE392C5D87"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "B88C8D1A659CC93E040F8891841A0044",
-      "derived_salt_first_section_third_de": "2D685E877BE403CA8C2F2AE18B016A9A"
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+      "legacy_metadata_key": "A335674BD28494AB6FCB5992EC32"
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   },
   {
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+      "derived_salt_first_section_no_de": "8833FF5CDB8ED4B6F1C780F18465E82C",
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+      "section_salt": "8E6F23C47BF3CB710C8BF75076206494"
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-      "extended_signed_section_aes_key": "502B0BB8B2D878446E5F066457A54E87"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0559",
-      "expanded_salt": "9EC459029354307C163F4777DC29BEE6"
+      "adv_salt": "13AB",
+      "expanded_salt": "856813A23F463DC9FC1DB25DF62FD2E2"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1370E29079582F830A93564120D7",
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-      "derived_salt_first_section_no_de": "3E6292749BDD178E88605446EC6D92A8",
-      "derived_salt_first_section_first_de": "48BC10EE95566EC0E56ABF226FF2BA37",
-      "derived_salt_first_section_third_de": "E35652F33F9D82F7CB950B83156E2383"
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+      "legacy_metadata_key": "4EF500B52A97F3C6BEEA60ADEC8F"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F6724B64A65A3CA0DEC3151A6B497705",
+      "derived_salt_first_section_third_de": "666BF9F18D7A8120BA63AD74B4DDD89E",
+      "section_salt": "B9E8E885B3E8737FEE2569785D409C81"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "03CB1D183C12CB04577139B9",
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-      "extended_signed_section_aes_key": "3ADF5ACDD46468585789D5AECF1D845B"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2494",
-      "expanded_salt": "27AFB43FE8A15A0A7B3FDB7A63056420"
+      "adv_salt": "4092",
+      "expanded_salt": "0BBBCE5F448F31EE870E32ED5A5AAB57"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "6728617597A90645888112347D93",
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-      "derived_salt_first_section_no_de": "6AF1CE855BC4E463E4812477909138E6",
-      "derived_salt_first_section_first_de": "E24C66F28F6714F0881779AF4F0ADEFC",
-      "derived_salt_first_section_third_de": "A04756FE6D24E458F99CDEA5EBD7215D"
+      "expanded_key": "3B574DBECE9EE782E2AA74AFAB095D0A",
+      "legacy_metadata_key": "57DBC8FA96538CF17D79AE790025"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "A00F32C324A9182694466300E28BB597",
+      "derived_salt_first_section_third_de": "2D5205A637D14CD91D60EBD73AF466B7",
+      "section_salt": "1B2833582E5526ED291D7C97ABB5FC40"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "E3D06DC14D298A7770697787",
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-      "extended_unsigned_section_mic_hmac_key": "F00638E27E24707965F58DB2E5B792D152876A899F67B437EEC6C5E49A4B50BD",
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-      "extended_signed_section_aes_key": "8CFD73796E3340F7A94A78C662971965"
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+      "extended_signed_metadata_key_hmac_key": "44FE5B4BDE2A4E65F0D06969E67C8834CBA4025D92DCAB8A38FBD133EC16B3CB",
+      "extended_signed_section_aes_key": "CE9DC9FE542C48CCB5A806AC4B1DF963",
+      "extended_unsigned_metadata_key_hmac_key": "5A9F06AFDAEC67EA52F025BECE123FC7FB6601F79BE997915B155CF4C1CA792A",
+      "extended_unsigned_section_aes_key": "84E9773A2E710197068B7F92184D68A2",
+      "extended_unsigned_section_mic_hmac_key": "EDF2AA222B62222806D5EB8E7FB10873CADB814C2CA47B9264F78BE4B7A73242",
+      "key_seed": "829AFBD6D8AEEEFFE921964796FFC55897E02DEF2E93A674BEEA9B8E6A838295",
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+      "legacy_metadata_key_hmac_key": "334765EBB96A0AEF87EAA0093BCBA72DFF09840646DD80E69C54FA33A4479B59"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "20E7",
-      "expanded_salt": "765D98150FD60D2E424B141F862003EC"
+      "adv_salt": "36D9",
+      "expanded_salt": "0587BC066378F06D9670824BC5DA6942"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "A97CFD6538FD99CC77A5181A8F88",
-      "expanded_key": "FEA5A43D11F9EF48914B7E969010E0D9"
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-      "derived_salt_first_section_no_de": "1EB49ED7D1265B5DB4CBE62DF0DAD4B2",
-      "derived_salt_first_section_first_de": "7D3603577F84D2A0A338543BF41C6249",
-      "derived_salt_first_section_third_de": "6236769FD97423EA861FA962D9151877"
+      "expanded_key": "775BE5EAC4782E5362FA8F5339E9ED55",
+      "legacy_metadata_key": "71EB14BCF2D9B8CDFA2017C1AA16"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "910F97DE20C794741FF9E0EA8F034D15",
+      "derived_salt_first_section_no_de": "3CD23118074A9A4C4EC62FC29AE5739C",
+      "derived_salt_first_section_third_de": "68CD8FDD59C30EAE8A4D74F3754D890E",
+      "section_salt": "FB226DCD59D900E39D33B739D7C509E0"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "94F3179124C2243EA0F3E708",
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-      "extended_signed_section_aes_key": "0CD4C9913810E22959941BF7042CA0E5"
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+      "extended_signed_section_aes_key": "9E0D93ECBB04FA78C74DC72C60FA95FD",
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+      "extended_unsigned_section_aes_key": "30BA61DECB0A1C5C459951E295A46107",
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+      "key_seed": "49EE63813B5160ED880213E7F834A491C626BEB799FF4A13655462BB9449D415",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AAEF",
-      "expanded_salt": "E48A594BDD3848D50F95FC60A927171C"
+      "adv_salt": "29C9",
+      "expanded_salt": "6A8F63DEB016D1B6896068393260E54E"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "C12446C283FF6D9FFBE76EC5C47663B8",
-      "derived_salt_first_section_first_de": "B349EE243501FF540436D1A0F7DF0127",
-      "derived_salt_first_section_third_de": "3F17154F20E414AA01F6ACA9B6135443"
+      "expanded_key": "2F7B646FEFF6D1E60BA965752AF5D882",
+      "legacy_metadata_key": "20B24481851F82559847B41B98A2"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "509196DCF02E1A0FDA883B25D110CFC5",
+      "derived_salt_first_section_third_de": "6A403FCD71B4BD6B80745F589FFB4B28",
+      "section_salt": "D38E0D17139B8C23198AE9BE36C75D1D"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "6B8077C77C79EEBCD8D20F74D9811BC2"
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+      "extended_unsigned_section_aes_key": "5C85B128F6EC697B7524EFAB9541AD11",
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+      "key_seed": "CDF2ED3D2B8E42DA7EBF1D67F78868B41EF9571C7545EBAF9E1879BA2D9F4CCF",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "31DB789348B31BF25B51A9377693DA35"
+      "adv_salt": "38B1",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "33D3B24D65727D5140C2384BB8C8A4F0"
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+      "legacy_metadata_key": "228EB9B12D27829F6621D26A85B3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E612D4ACC66917D6B19FB34DC36B9029",
+      "derived_salt_first_section_third_de": "3CE167C5EAB35813951BC43E02C46A5B",
+      "section_salt": "30E65FDE4784934C001D538AD8179199"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2F5DADBB49FD2BD493C3A15F3BD08634"
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+      "extended_unsigned_section_aes_key": "F2E9156DA90414A2445B34DFB69060B0",
+      "extended_unsigned_section_mic_hmac_key": "B5A0ABFB3F7B369ECB0CA8A4ED1A01082F0CC9BF6D6DD85B82DF652825880F4A",
+      "key_seed": "2210D54CB08E5303A968F76AF361D24BB52E719142A2CD7DB2E375D17D39FF64",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6E17",
-      "expanded_salt": "A33F7B50F668C3287311BBD06156C388"
+      "adv_salt": "B3B5",
+      "expanded_salt": "8E64638C73A4829835028D35D4BB2B51"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "0D58907114E8C11419D51087DCA7",
-      "expanded_key": "AE2547F865C3087269B77A2A7BE22625"
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-      "derived_salt_first_section_no_de": "DC167C2D28003EBE4BAF13EF753DE650",
-      "derived_salt_first_section_first_de": "D905A3F0FFDE82AB1C144DF85D1532A2",
-      "derived_salt_first_section_third_de": "1DE02F9571D2E80339503A80ACF23141"
+      "expanded_key": "67FC8C3539E8610BF34E3280227C0FBF",
+      "legacy_metadata_key": "FAA76CB223383371B79FC50FB01B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8123F98F092BA026A45BA6F728FB5DE8",
+      "derived_salt_first_section_third_de": "20B51E1ECF2B448520DE8E34BD48A2B5",
+      "section_salt": "6020D38A34FA222C2612A14A6578A6F3"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "29305F9431BF83C1B299442B",
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-      "extended_unsigned_section_mic_hmac_key": "E1406C5F438EEE1C3F270D75F2ABD252C577F9564443D390ED83DE71D77CD72D",
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-      "extended_signed_section_aes_key": "893A2B30605700D9FF60B4F59926DB15"
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+      "extended_signed_section_aes_key": "28FE92D6D5F6B7481938FB7AE11547C0",
+      "extended_unsigned_metadata_key_hmac_key": "560861F65DE4DFEF3176797364B2D3F811A406202FC6514E0385F74941CD8614",
+      "extended_unsigned_section_aes_key": "8EC8C693DB54150644FB6DCCF6A71A0A",
+      "extended_unsigned_section_mic_hmac_key": "FB1AFBA4C8D3E52BF25827DC364ADB64D941BAC39497887EB3FB7A4661210226",
+      "key_seed": "D8736C90510ACB6FF4B13308CB2675E986F9859192F9709056A70324CAD1BACC",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1CE7",
-      "expanded_salt": "74B2C616E798B67831DAC9432E686705"
+      "adv_salt": "91D5",
+      "expanded_salt": "675B7DECF137408D37DC3C1BBD1C23AA"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "80C816C1B61BA51B59AB1193B60F",
-      "expanded_key": "8F2800177E37F72BF955CCB0417682F0"
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-      "derived_salt_no_section_no_de": "02FB0BB257E8F24A57F292B13AD1F245",
-      "derived_salt_first_section_no_de": "F6E5167FE0F014452612B495172BCD56",
-      "derived_salt_first_section_first_de": "2D69343946AB0A2C5D61576070B1B9C9",
-      "derived_salt_first_section_third_de": "D85E77C2EAF36E94E93723205AD2BBAF"
+      "expanded_key": "93D9788A2E0CE5F63FE34863CA32D6F9",
+      "legacy_metadata_key": "13DE1F8B87F65E301715BE58A9B7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "35D8BA2D03220C948A01133544F758BE",
+      "derived_salt_first_section_no_de": "EAAE5355F01CF49580F6A62113E8AE70",
+      "derived_salt_first_section_third_de": "C5EF437AC3E4D3D2CBAAB5CFD1F22E63",
+      "section_salt": "48AB80B56715C1D22B993D5BB855434F"
+    },
     "key_seed_hkdf": {
-      "key_seed": "E1C1E878F2253EDADD51EE1EEF50BF61E8F5991E6E98BE8507898B8B427178FB",
-      "legacy_ldt_key": "5C70F6EF2891EA20DD48952725DA11DA4C333191748917FD751B8F73C4430217F3285074172774E6876590CBC3188A3F307A40D973C0D4B5CA401D0945C4FB3E",
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-      "legacy_metadata_iv": "B14B23D5B14CD0A16BD0FB7D",
-      "extended_metadata_iv": "7FB280F53EFF0F977F74E625",
-      "extended_unsigned_metadata_key_hmac_key": "398787F7B66835C785B0D2E7D89C061C24627EAF3A26283FB9E8A9879A884A34",
-      "extended_unsigned_section_aes_key": "3CE116CB4453BAA99BDA0EDAD740DB38",
-      "extended_unsigned_section_mic_hmac_key": "0E583D794C7A2F88489A3B17F7CD43DE5991C18D88E563257020855E7DAF312A",
-      "extended_signed_metadata_key_hmac_key": "C741AA4CBBE03F37E801743C9228C43195E3EE52F6611819B356587EAC579DDC",
-      "extended_signed_section_aes_key": "768551D218EDD245345C1D589A4A5ED7"
+      "extended_metadata_iv": "7196321137B5946FC555FD2E",
+      "extended_signed_metadata_key_hmac_key": "232209A2C08BAD14F7D536D562284CCEC2B3539EFED4F6F3343BA92B85C72A45",
+      "extended_signed_section_aes_key": "6F9D148EB61B4220DE08D6D1235EA9B5",
+      "extended_unsigned_metadata_key_hmac_key": "4B160CA98DACCB779EC9382D6E1AAA373111473801C07821E7207701EA5D4B4B",
+      "extended_unsigned_section_aes_key": "A575D2928B54EC7B8CA1550817FBE380",
+      "extended_unsigned_section_mic_hmac_key": "A34EC699A1B6F0D7B83A7EC2956869CD68E35D1A2DAF1300B1449A879C068439",
+      "key_seed": "EC08169790B45C3E811AFF2D5D4DC75C3496B79418F3299FEDBF09EBFA97B19D",
+      "legacy_ldt_key": "8B1223541D954F3D812B062E92C8863F06A32975D5FCB4B1628B93AA72060D63EBC0ACBD90735D92BDA1549C736958C3484F67D6AAA765A4EE1D6A19E17CC051",
+      "legacy_metadata_iv": "808CB3FC17940F92FC645393",
+      "legacy_metadata_key_hmac_key": "5A7F30EECE966267B5B47C63612D76F279D1C9C5F540E2A07F0F8ED6C4C4F226"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "6C69",
-      "expanded_salt": "443690673112EC560C035AC6052937D1"
+      "adv_salt": "698F",
+      "expanded_salt": "4126259A0C1CC8C0CBB4962E42ECCF2A"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "66F0ED672FE9010F5E2A63854A02A97A",
-      "derived_salt_first_section_first_de": "F1FD34D763525B60B44231383B57D559",
-      "derived_salt_first_section_third_de": "08F24D2CA8B31B142ADA31C3A948ADA3"
+      "expanded_key": "78DC51FD1566F22D1FC72FA8235B4DA2",
+      "legacy_metadata_key": "ABAA290655C7B87193A309DE523B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "900A9ED747E75FA225E8F41ED6DE9F21",
+      "derived_salt_first_section_third_de": "A61DD6CFFD1598F92C6F16C862C0CCB9",
+      "section_salt": "FB351845254131CBF6EA523F2EB6C416"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "025A031E07DDB3280DC7066B1BBB69EA"
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+      "extended_signed_section_aes_key": "6BCFD141B5DBD5D2F8D424094E90744A",
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+      "extended_unsigned_section_mic_hmac_key": "0ED770504961DDCA84573DF44D4E063B549A615F4FEE4481AD885AE577175538",
+      "key_seed": "44C3F6A86FA96D98B59593B0FA8D67BE507223C5F5B2460552B60C39AE65DB61",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "22A0",
-      "expanded_salt": "A1EF86A5CBDF9113D7E67CBC4145D73A"
+      "adv_salt": "5B66",
+      "expanded_salt": "36E58EE82474FD71D13A0EB180F7B90F"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "31A48DCADBCF3DBAAB46C9C99299554F",
-      "derived_salt_first_section_third_de": "78219C4CAB3148A6883EACFB231756D0"
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+      "legacy_metadata_key": "9B268099E7833D7A6936B7E9A2BB"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "94C58A138A3BB3744598EE9227B420B6",
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+      "section_salt": "99AE10FD0D61F6015E96338F05662C42"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1F1FD50570488D5FE8C9661712C7A754"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "F898",
-      "expanded_salt": "30CB6B9FA4DB74C30C35EB7CECB0458A"
+      "adv_salt": "35FC",
+      "expanded_salt": "0F1C3592061E9E2B35B93FE8F63536CF"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "CDD3E2AE1345085810CB6A3DEB7E16BB"
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-      "derived_salt_first_section_no_de": "16E7DA1968340D4DF5D38A0D451B3344",
-      "derived_salt_first_section_first_de": "C757C8B79689EF67FA7B462AD848E4AF",
-      "derived_salt_first_section_third_de": "A845BA67DCC3B36D786F64FC1B7347A6"
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+      "legacy_metadata_key": "F5786D2A8CA390833802EA265E20"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "23CDEA9AA16E9E15B256BA5A502832A7",
+      "derived_salt_first_section_third_de": "1913603F184067C699F0FB0BC5A5FA15",
+      "section_salt": "E9C976705C80DDAEBFBDE82E6225F190"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "06CC895555803FC1F24F13F68E9B880C"
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+      "extended_unsigned_section_mic_hmac_key": "E64460EF06D16117B02D83051C4C34AF56A1C87EC300E12086627CB4D741B3AD",
+      "key_seed": "BA0E4456D0F8F571166A2F59A3EE52F7D33F06FC1FEF0B97C2CB29C408C18127",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2EFE",
-      "expanded_salt": "022BC54B50C8EF489C3DDE86B3B6E301"
+      "adv_salt": "140D",
+      "expanded_salt": "318015C25378863F12D105AD3434D7E0"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CE8FE01375EC63FD984B31A41303",
-      "expanded_key": "19066C5199F8FABA67CB52C82B2790DF"
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-      "derived_salt_first_section_no_de": "80A24A8C0A0978FE3A421FA36FCE733D",
-      "derived_salt_first_section_first_de": "E4AE6082FA1E1A8EADC1B04594623A53",
-      "derived_salt_first_section_third_de": "BF6C5A3BA682D09C85EB72424E9BA1F2"
+      "expanded_key": "AAA9A50B83DF05409AEAAE11E334BD97",
+      "legacy_metadata_key": "0273D0247C4ACF1FFB44457E0882"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "8414EA732C82C4189DB376EF4C6FC58B",
+      "derived_salt_first_section_third_de": "A86DE478C8934BDEF1A72E7EE01EB48E",
+      "section_salt": "801C5C09AC91FF2C67931C4C931B618A"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1D04EE6A4016C12F85F823E9",
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-      "extended_signed_section_aes_key": "E1498CC3B14392192BA62BA12641AB3A"
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+      "extended_signed_section_aes_key": "65D98F87976F2ECC04F0498BD06FEE84",
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+      "extended_unsigned_section_aes_key": "1CE90F8E863D39C86FB091F8D30C7BFB",
+      "extended_unsigned_section_mic_hmac_key": "68CC8A8B339E825E61758F4761CD1B51B18DC67D916DFBE8ADD7A1814D4AD201",
+      "key_seed": "C99EA89A881864323949EAF152608E2687B428421B75BF1C136A8A4D8555E7F4",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "EF8A",
-      "expanded_salt": "55AFFA3FB7E9A2E0F64984702FEA3236"
+      "adv_salt": "6A0F",
+      "expanded_salt": "9F7FFF5409B9CE723AEF1EB8F50BEE53"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "DAD85AB7DFFF7A1104F790E56332",
-      "expanded_key": "CD90A0C1198406591146DCC0D539C94D"
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-      "derived_salt_no_section_no_de": "A955694F616CF031E6A148474E36408D",
-      "derived_salt_first_section_no_de": "0A4D6DC59112924D47ED58ED35D0B0D2",
-      "derived_salt_first_section_first_de": "C74EADE23F4446354023B01838349625",
-      "derived_salt_first_section_third_de": "86DF9CEE3D91B032069FA6B3CC0105D6"
+      "expanded_key": "53A8E6134AA0D7E878F8B64124A9177E",
+      "legacy_metadata_key": "87E8E066E0753B7A0021089D1902"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "96058905949B61F8C66933212CE42DA5",
+      "derived_salt_first_section_no_de": "9A56D3418FB3043A72691382FEB46026",
+      "derived_salt_first_section_third_de": "B07B087321D81F1998012BAE9B918BEE",
+      "section_salt": "9DB30F06CDDE0D1A48DC501307D88787"
+    },
     "key_seed_hkdf": {
-      "key_seed": "B40714EE9B6F997E0AED5E0B074A27740DBA8355764A3CE742A7AD116C5FF5B6",
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-      "legacy_metadata_iv": "DC94826CAD6CA1CD40DF4885",
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-      "extended_unsigned_metadata_key_hmac_key": "92519C3EF256F517E7D5C189AAAF6646EAE6CA7283AA797A97CFE2D523611C12",
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-      "extended_unsigned_section_mic_hmac_key": "2F3E14A181B81F1BB448B5F266BB0798D00804ABC44249D85B7D3283FC15DE18",
-      "extended_signed_metadata_key_hmac_key": "4563B3A05C71B9F0ADC2BD5F8FDF18AC40D70B5ED6E81E6E6B859B94AEB3C442",
-      "extended_signed_section_aes_key": "E9095689EB7D7146523D5F3A8B537B04"
+      "extended_metadata_iv": "DD2CE80BBAB44E94769BF565",
+      "extended_signed_metadata_key_hmac_key": "F4ACC04CCBB396984C04B4CA8132DB61D19A1B0E6E24336FCECBAAE4D1731312",
+      "extended_signed_section_aes_key": "EBA456FF600DDCB67BF39ECF22B0F1B2",
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+      "extended_unsigned_section_aes_key": "5787F2C6F3C2FF95638FC25BD81059C0",
+      "extended_unsigned_section_mic_hmac_key": "3E1762B66F13C379327946CBEF18D243113AE4DAD7BBAF6A3B81B77D1111718A",
+      "key_seed": "04AE51727D13ADD2E590B3E1C4FC056DDB01EBC02C2AE17BEA8E783A62C1A0F2",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "9973485385FC8383A823C338FC7A6E98"
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   },
   {
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+      "derived_salt_first_section_no_de": "3DDAFAAD3F4C7DE34BF16DE9EC75AF31",
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-      "extended_signed_section_aes_key": "3A84EDEB963D3E01CD2C083C736BA89C"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "D4B55F41581891167976FFA22CC9CFA1"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "D87CD8DC3EC2E0621668E0DE548B68CB"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "3CE15E1F9D0E99E555B0A3B0B0CD6A6A"
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+      "legacy_metadata_key": "864746BB5AA930F30C9471CAF7BC"
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   {
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3C0B",
-      "expanded_salt": "B10C09B817C40D07F92B8A9CF67D328C"
+      "adv_salt": "6779",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5F695A5DD30F3F7FD8C0F0B8105F8C23",
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-      "derived_salt_first_section_third_de": "2DD4518D58530D60046938A05B461E05"
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+      "legacy_metadata_key": "3434CEC7CCDDF6D848FBA2D46E61"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "881E8252252B047084DFCEB1EA2EA3F4",
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+      "section_salt": "0A32C7AC591018B6B6B31884871050D2"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1D8C0DF991042018F563C26A89B9E433"
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+      "key_seed": "466D241A55B0B99DE4D921CF72F48FD21966720ECA5BE733C038FDCDC5A014AF",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "01B6",
-      "expanded_salt": "86FBD405038D61E798A13E9F0B20787E"
+      "adv_salt": "8B10",
+      "expanded_salt": "8DD9FC5A37E591773BCACD08A6CCEE82"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D0DF94DFF197362BD4682F3C9EC1",
-      "expanded_key": "15AB4B924C9CE04C3CCF01E115B305D3"
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-      "derived_salt_first_section_no_de": "F3F370C0F30828980A166B8D00073ADB",
-      "derived_salt_first_section_first_de": "CE89764160E1A1B24897FCFD2FF6B355",
-      "derived_salt_first_section_third_de": "67699AC82364A634C353CC56D9925AA3"
+      "expanded_key": "AA0113340ABBC185C8D3647EC1DC47F9",
+      "legacy_metadata_key": "7CC03841DD441BE7FE108E9198F7"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "C093E970F14081DC9EDF61BF612508B8",
+      "derived_salt_first_section_third_de": "23B27B17F4AF3E7CDD6C8763EE3143A9",
+      "section_salt": "14DC8064F9C851FC5479517FB491E35E"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F55B6AAA1A3D7746D6076BC6",
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-      "extended_unsigned_section_mic_hmac_key": "CDFC33E53954BAF8B0C0077089AD978EBB74FCBD98098A86AAE2631ED647D44D",
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-      "extended_signed_section_aes_key": "1CC8307975B312EFFBB585260E4DD4CB"
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+      "extended_unsigned_metadata_key_hmac_key": "29663137CF967AF7D93CB44D12D757AFBB770DC6C0E090AFFB13F9A99628FFF3",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "5933731379F5688B03FC77CB687B8A0A"
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-      "derived_salt_first_section_third_de": "3D71E67508FE151754276CE1428BE540"
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   },
   {
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+      "derived_salt_first_section_no_de": "6AF35746C0017CCBA68175870A06DAA5",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "353DB83187EE6BF93E29A9879AE7CAB6"
+      "adv_salt": "5428",
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-      "derived_salt_first_section_third_de": "E6B4968A236024FD70E3AA383A4E3F5A"
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+      "legacy_metadata_key": "38102FC28ABA622C496516291C56"
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   {
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+      "derived_salt_first_section_no_de": "A44394E4B4C1989CB3C49C5217C73B79",
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+      "section_salt": "103C513843098E957592F814348E0C79"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E759C12E5A673527043A65154510DE2A"
+      "adv_salt": "D010",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "2E57AD41ECABFDFBB214236D9F75B7EC",
-      "derived_salt_first_section_third_de": "C78AABEF4C1A3910656E69C23735FE75"
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+      "legacy_metadata_key": "CC040E0C747A79E625A287192F4D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F37D7314FDFCC7C0A177E4D87BEDD84E",
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+      "section_salt": "2AE0F5A565551D88F4696BE16FDA9882"
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-      "extended_signed_section_aes_key": "4541552D98476883538969017706841A"
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+      "key_seed": "112CF5A24DD78691FAEF533879184AAE983A38BB6C039BBB0ADDDE35ECF470F4",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DDA7",
-      "expanded_salt": "B8261F061BB2CC6BBF91B622FB135A11"
+      "adv_salt": "16D8",
+      "expanded_salt": "2377009B5A94338BCCAFFD6F6F237645"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "854B292AFEEDFB842204D15D4531",
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-      "derived_salt_first_section_no_de": "71151E83EC849AB8D410518E79930383",
-      "derived_salt_first_section_first_de": "FE0A494D61E8E74B4F14DC2F2F06947F",
-      "derived_salt_first_section_third_de": "31088498B659C8CFF848FE14D05767FA"
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+      "legacy_metadata_key": "43FAE4AE53A811089E4690043B3D"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5F6B6E4A415480620CAC4F69DCCA39CF",
+      "derived_salt_first_section_third_de": "7544CF512DC873A628BAE1488966076E",
+      "section_salt": "85B96CD2679E009D6C1A33D9CC4D8582"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "211121EE21E65A0B34873B4C7D1C802FEEB7B70D60563522459B1C856BD8CE2CB5D9B788E0053333017E9513F4633884F096FE8EC970400D1B88DB399E167E80",
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-      "legacy_metadata_iv": "82DAFC66FFCD1B41D3EEFFB9",
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-      "extended_signed_section_aes_key": "06743A55593E44A70066F6379F8F69E1"
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+      "extended_unsigned_section_aes_key": "EF8029ADBBB142F550BD135887B7EC86",
+      "extended_unsigned_section_mic_hmac_key": "D1770C7736222CD039D580531718C741746977A036C274CBAEDF23BCF73B4292",
+      "key_seed": "1819DFE9515B10D180C9941F9CAD4F7FAB1F5B6FE50C29AFE0356BCE87424B83",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CED8",
-      "expanded_salt": "4E56103063C3776B5918274056AA0CAD"
+      "adv_salt": "9A5F",
+      "expanded_salt": "B0532272D72D738B0D958C1C4A079AF8"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3D9497E8BC9082EBF75D67C64A67",
-      "expanded_key": "82B58D05A018FF29700BC70DD787F60B"
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-      "derived_salt_first_section_no_de": "3042E7EE902B8930ADB64A0E73F8159F",
-      "derived_salt_first_section_first_de": "74272D6ADFE317C32A347869869AEBC7",
-      "derived_salt_first_section_third_de": "D7B6812B283E8EE9D69E589F43C6FA86"
+      "expanded_key": "EF20DBB64B2769A3A7B4752D8BEE7AF0",
+      "legacy_metadata_key": "816CBDDA350AC93A37ECD2163573"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "57209F59EFFBD983D4F43199D5EE9D71",
+      "derived_salt_first_section_no_de": "B589868B76FDC51105EC9C1C69618C07",
+      "derived_salt_first_section_third_de": "AAB9FFA5C415025C4033EC03CB50990E",
+      "section_salt": "6A93D9AFBDE00D51FB1DEC99A161A76A"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "1D8CCF048A3C6B393F61D7CB",
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-      "extended_unsigned_metadata_key_hmac_key": "2ADA21665E642821F904B0BFD1A0110B1EADA04D1F29E1A7D93AA25CE2B8FEC8",
-      "extended_unsigned_section_aes_key": "D197845F335F214904C018E898909AB6",
-      "extended_unsigned_section_mic_hmac_key": "3FD52E659AADB46DD2FE1F0E7FDAB5E3F4DF721057C93F3444EF8C4C1644F49F",
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-      "extended_signed_section_aes_key": "27036B098E14BDBD71589427531D2791"
+      "extended_metadata_iv": "5EE0114C0A5D1F614F2C86A7",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E6A75E4BDFFD232651987F768FCD53F1"
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-      "derived_salt_first_section_third_de": "CF28905806FE3E9874E7CF99EFA32E0A"
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+      "legacy_metadata_key": "8B1A9C6B37557FE913D66578CAC5"
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+      "derived_salt_first_section_no_de": "1ABAD5970DF4A0DA873B8F1576DAB822",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "35B9EDF1A9B9EE50BC15BAC13D46091D"
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-      "derived_salt_first_section_third_de": "5AA8E4134D2277E3DA4C974752B6B49B"
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+      "legacy_metadata_key": "4E82C046544E2927A432647E591C"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "F58627676B0990C9B69A77FDA55A4BD6"
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-      "derived_salt_first_section_third_de": "3CB6E6AEB9C4385B50ABAB0638F6E3E8"
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   {
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+      "section_salt": "EF3AC7288835C344667BD4A373521E7D"
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-      "extended_signed_section_aes_key": "283A30CF79BD486FF1400AC59FE8F200"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "85B9662E58DC41A3A71C15BE0F37D75B"
+      "adv_salt": "612E",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "7453C0940CAA191DD55A9A798944F4F5",
-      "derived_salt_first_section_first_de": "DC24C62BF0A4021161B8A9AE9C91F0E2",
-      "derived_salt_first_section_third_de": "5DBD2E0BEAA36238B73ADF5B4F4EEFA8"
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+      "legacy_metadata_key": "2A60EC3105AD064EFAB533C66263"
     }
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   {
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+      "derived_salt_first_section_no_de": "B2E0680B76D97ABB3EAD4BCF1AB4DDCA",
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+      "section_salt": "89FE55914AC90193B68E091C2EDF6C46"
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-      "extended_signed_section_aes_key": "E82F34C690B17A6B6639FD023314CD78"
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+      "key_seed": "46099BE8BFE425FACBB54F12CC6F3CA6A8655A4978687095359EE2257DF3A5B7",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "81D7",
-      "expanded_salt": "D9E464B6927E4EECAE3862812487227F"
+      "adv_salt": "7F2B",
+      "expanded_salt": "601FA2BB4C18EF32EBEAC73CC837674B"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "CD721CD82D9C56115C314E2FC502",
-      "expanded_key": "7CC95DBD128CC73CA7336F41350B0715"
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-      "derived_salt_first_section_no_de": "1A8177521ECDD462EDBEEF5CEC0D3C22",
-      "derived_salt_first_section_first_de": "A8024E2D51A41D04459F273CB0CB0842",
-      "derived_salt_first_section_third_de": "3BF5DBC96C7C50770A46E397062FB608"
+      "expanded_key": "72C6C64104EB7D8CD799B17362B21CFF",
+      "legacy_metadata_key": "E8CED2708F6F254B4F6FABD43FD3"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "B2E68EABB8791C9A44924DE3D9AF3AD1",
+      "derived_salt_first_section_third_de": "82178A489FC8514700533FAA1F2A149E",
+      "section_salt": "EEB226B8C297E39881AE29FAC87A6D38"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "F123A4880DB16F6EA3CB28D2",
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "D647D808ACAF967E96B2AA74DD98438E"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "3FA53E110E34941A33986BF6E921F021"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "12FC416E4BE2F699D5C4A0DBC848DAAA"
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-      "derived_salt_first_section_third_de": "EF5D78667A66915248D327E749726BB7"
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+      "legacy_metadata_key": "850B651FAB8A6CF46323CA6584B4"
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   {
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-      "extended_signed_section_aes_key": "2B4F25F65BFCC7EB63DBF5CD6CCF8909"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "85E668E9F9759AC80A562B1FB5DAB479"
+      "adv_salt": "AA67",
+      "expanded_salt": "AE4409CCF501020A597094750D3100DA"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "D6EED14A6DAF11E09C2943BCAAEF2063",
-      "derived_salt_first_section_first_de": "228DE2EDC9E507C3F4729E6557EE969F",
-      "derived_salt_first_section_third_de": "71DF5B9FA402F8DD11BCF31604266029"
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+      "legacy_metadata_key": "99AEB6145065BE05DA95A81E0CB5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "98E32A9CA1423E53A8DC44A68013B1C7",
+      "derived_salt_first_section_third_de": "D95EDD548DDE14DB0A473A53EFD9E66B",
+      "section_salt": "3D0CA6DFE9EB06278892229DF1C0F515"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "F31F62F36D02A5C4E181CE978BFEBB07"
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+      "extended_unsigned_section_aes_key": "1D9800B256D5C23EE6784C9CD60C9FC3",
+      "extended_unsigned_section_mic_hmac_key": "8A86E45FE9AA7CA2C1FD6D3A484365C9FDB3FDCB6949D7561AFBD11EF29CF443",
+      "key_seed": "5A072EE721EB31981C1DE623F07A05F53B92C23DBD22A884F1E51E5F1122FA5D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "7C78",
-      "expanded_salt": "5D3E8ECBA71EF2293A6BBB6097C3DA38"
+      "adv_salt": "94EC",
+      "expanded_salt": "9251A3B4AFAC34401ED6428150334BE7"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "B38E109BBFEFB3DEEF07E44850DD",
-      "expanded_key": "3A9BF5DCC0696233DEC6D9AC0B60F58B"
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-      "derived_salt_no_section_no_de": "4B026326E17E3CEC36C0BC1686BCB22C",
-      "derived_salt_first_section_no_de": "1EE7274463ED590D02F5FCC8BC5F18C7",
-      "derived_salt_first_section_first_de": "F55A41EB4CB8BFAE3264730257CF6C0A",
-      "derived_salt_first_section_third_de": "029B59D1F7387D983E7B3C1E6D662EE1"
+      "expanded_key": "F45C1F6FAAEEC298B1C66555D22BC87A",
+      "legacy_metadata_key": "225B1FF513FAD41E2427712FC0E0"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E2BF021597C1E0EA3430CBBEEE94BC13",
+      "derived_salt_first_section_no_de": "97EDE84B6F5800CAAC99BC729FE1281B",
+      "derived_salt_first_section_third_de": "092A36362036B1C25E15393647C9E2E9",
+      "section_salt": "94C2B483749072CF76E247F3EC9E4300"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "A47605A5DBF9DE43568D3F6E5211B005"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BB34",
-      "expanded_salt": "ACF60E1682D2205BF22CEEEBF39137E7"
+      "adv_salt": "6F6C",
+      "expanded_salt": "0C397C241FB4024EC1393A471AEDAC51"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "29CB2157A4DB13B6F3099456740C6A9B",
-      "derived_salt_first_section_first_de": "BA3B65F9765FE11CC5427E0201FE9E2B",
-      "derived_salt_first_section_third_de": "1F6E68D47ABEA364A0447159DCBB2F84"
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+      "legacy_metadata_key": "718C95F4BD2CA5F42AD20C0BDDF6"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F7CD8FAE76490B355103AA89B87DD327",
+      "derived_salt_first_section_third_de": "F1247F129EADC49A39EE83F231168665",
+      "section_salt": "A7CD197DC7B33056B305B184BB3F66D3"
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-      "extended_signed_section_aes_key": "35C3D32E0E659A733B211D1DCBEB3D54"
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "2216",
-      "expanded_salt": "C384F9C5C187454E60482B9671C28C3B"
+      "adv_salt": "A5C4",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "A8BF3918FF7D5A59150D14C497A05722",
-      "derived_salt_first_section_third_de": "FEBD12A534E629D7FB8BDE71CAE6C06E"
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+      "legacy_metadata_key": "60B8B5A835EFB75BA3AC31171CA5"
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   },
   {
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+      "derived_salt_first_section_no_de": "CA3A8A0327A889BA2AB3372087574FC8",
+      "derived_salt_first_section_third_de": "AA1C85ED2BDD652EF17F5451F2080D7C",
+      "section_salt": "2139672F26092A460D6512662A490DC1"
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-      "legacy_metadata_iv": "02D25196BD037F6083CE18F2",
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-      "extended_signed_section_aes_key": "255ACBE336121806B5C29356FE733B7B"
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+      "key_seed": "3E05D387A7BCC9626BE80C8D11FFAD5C36F83E24323D11F5B2D9B61908389950",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BE46",
-      "expanded_salt": "CC729CF8DCC2A2B35597DF4ECE97EE92"
+      "adv_salt": "D801",
+      "expanded_salt": "676415006BCACD71FFC32074B25A23B0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "5A06B69AEEB1F7B25FDDFC395BFA8D85",
-      "derived_salt_first_section_first_de": "94BF77064E9707430A4FE25D1AA36D21",
-      "derived_salt_first_section_third_de": "6F61FCCF1C4094A95424A58DB7F5988E"
+      "expanded_key": "B99E440258CA52F1AB35CB4A854543CF",
+      "legacy_metadata_key": "DE292F765177CC4379DBD91DDA34"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5A289DEC1CE674C759A48B7F803EC8FF",
+      "derived_salt_first_section_third_de": "E05F0D1371D791DCB4E079663B03427F",
+      "section_salt": "F92E11EC6CAD136240366BDE51B65CA8"
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     "key_seed_hkdf": {
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-      "legacy_ldt_key": "CF07A2939C8FCD03E7A2A1E64E8C2F7F482354960074AD0015F96E1EBFD6C200E8F328DA6BF23A4925B0C8567BB0857896A3F199BEDD2BC7D2C46F9AAE09C07B",
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-      "legacy_metadata_iv": "DF4F3FE222B02F0AF12023F6",
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-      "extended_unsigned_section_aes_key": "00F60C8AFA9F6DBE51F5787F175A8783",
-      "extended_unsigned_section_mic_hmac_key": "7719550D41015EFF2C32A30EC135B1E5D195BA6C8B856CA889BFC79234441552",
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-      "extended_signed_section_aes_key": "8B01472F6FBB6C7FBA2FBD05D115A672"
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+      "extended_signed_section_aes_key": "8FE2787F88FDA8DE6788FEA9918F9416",
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+      "extended_unsigned_section_aes_key": "FF328717179D9C615EB9A6E18976099D",
+      "extended_unsigned_section_mic_hmac_key": "FA416273DACEE08F6F0D1DB76984850C1F0932D84DB42FF04F2F36A0C273FF99",
+      "key_seed": "BA3B087F7B6695DCADF6145290B119AE1B54D566ADBF92D982BE016ED1C2EC29",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AF9C",
-      "expanded_salt": "FB6D5B4DADE936045E55ED0FCAB00AE6"
+      "adv_salt": "D489",
+      "expanded_salt": "802FE96D715C1A8FD5217A9943BB5F2B"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "512DFA828362395857CCD90DF26D",
-      "expanded_key": "C13AE525449A4041CEA4FBA67DACC00E"
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-      "derived_salt_no_section_no_de": "3C5708D5EDD100DEE9DFD62C5C8C9A22",
-      "derived_salt_first_section_no_de": "2879DD91EF8E5EA5FB0FCFD2604286A9",
-      "derived_salt_first_section_first_de": "63C7944FEAA67E5F3F84CC8EE99BCE39",
-      "derived_salt_first_section_third_de": "C6F03119C04D6B3CE1DED809A790F257"
+      "expanded_key": "6A7A2CAC4BA9903F9EFC73EAF17349E2",
+      "legacy_metadata_key": "468F5103FC8EA18DA47AA055AAD7"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "B5C492562A90AE67EE6F5D281BF6F642",
+      "derived_salt_first_section_no_de": "C8D96141F71A5C26E160C8A69B175123",
+      "derived_salt_first_section_third_de": "1F8E2E050D92889CC825583D6CE1A26D",
+      "section_salt": "3D6AD63B89ECE65B7906F908AC979BA1"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "FB4FF4341B5D0DD23F0EA5DDECE7B4C5816F6029212E00C98D236D5245139D9DB45F117F533DA97906DEE209B4F194C1C6F264D95441F4CF9EDFE7F11D88E82D",
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-      "legacy_metadata_iv": "C61C8FD03702F95219006570",
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-      "extended_unsigned_metadata_key_hmac_key": "79BDCC0AF893B5199DA390ABC54E5A150F062AF5B4AD0BAE13567304568B9872",
-      "extended_unsigned_section_aes_key": "37B9DCEBFAA726A53E8408A0FD5DD419",
-      "extended_unsigned_section_mic_hmac_key": "3D51F6750E8A04D05AA782A00D135DC3FA8AF6CBCAB8A87B36A905C381528C31",
-      "extended_signed_metadata_key_hmac_key": "350F2A804A4143CA0C1BE075615B8F35A5AFD6DA36F9C985C318B0598384FC77",
-      "extended_signed_section_aes_key": "FEA9F938A486B9D32B804158A5792E4D"
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+      "extended_signed_metadata_key_hmac_key": "61A46EE2E339CA66C0D4E1ED33F12FBA288E02FEF9972D8AC91956E05789D8B5",
+      "extended_signed_section_aes_key": "CACAB3547BA9CB6195E48BECF4079D8F",
+      "extended_unsigned_metadata_key_hmac_key": "1B47DA721E52BD04331036A8F6B3E68D230FCB01C8C5722EB453554E3E8BDE1F",
+      "extended_unsigned_section_aes_key": "70E83EAFE6DCF0EEBCF7E118E9960ACF",
+      "extended_unsigned_section_mic_hmac_key": "68757673DE0CCA0F488737AB4678096FDE8801DB457C29B7D2B73CDA0974BD47",
+      "key_seed": "047A5F0F54F024E1AA2730206EAA8EE5F160932296FFA64C9CEC0F0A8D6D7C27",
+      "legacy_ldt_key": "4380FC6E162F248280ADCBB44E603D8ABAAB101029EFDC5F133D937E077BD42148BD29DA514560EEED4DCF359D39EE688070523BAD85BCB811D1166FE5E3B26D",
+      "legacy_metadata_iv": "8AA1AA87658653A279313785",
+      "legacy_metadata_key_hmac_key": "7B9A39441C55CA94A7ADFB47C3201485EB05D413C3D229CC5ED11A336CD82996"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "3EC5",
-      "expanded_salt": "0F1DEF48C57DD071265269B3CF742971"
+      "adv_salt": "ABCB",
+      "expanded_salt": "A0C6C7FE9BC6EBA3500C0C81850CF580"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "3D366353DCF7495B111147C0B79B",
-      "expanded_key": "FAA65831AED8F817606F0E8806B73A03"
-    },
-    "extended_adv_salt_hkdf": {
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-      "derived_salt_no_section_no_de": "08B0D49802FAE0B67E01CACB91DE543B",
-      "derived_salt_first_section_no_de": "59E6FC0279F4AC011B39A49D88195281",
-      "derived_salt_first_section_first_de": "EE2A460402796823DC7B7FDC0859930D",
-      "derived_salt_first_section_third_de": "77E8FCCC623B085652A34CDB9C769FEC"
+      "expanded_key": "0B18749AB260276231F3A46560A89B6D",
+      "legacy_metadata_key": "F6342CD424B1F5969739B87CC739"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "830132324D919EC89318E7D91ACBC21B",
+      "derived_salt_first_section_no_de": "AB2C920DFEAAE2785EFB9756DFC1E55F",
+      "derived_salt_first_section_third_de": "02D8E576006EB340C43B2C87EE1F4CCB",
+      "section_salt": "192697D62D06268A853FF2C1B71F2C1D"
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-      "extended_signed_section_aes_key": "1DDA8F972D2FBFBF3E7C866A28CE97B1"
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-      "expanded_salt": "648DCFB730A47847587E9894B38F72BC"
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-      "derived_salt_first_section_third_de": "3EAA2D7A13B231561B7C5FCCBBD7EA93"
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+      "legacy_metadata_key": "FD0AC5207F939289A78C1C2D4C56"
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   {
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+      "derived_salt_first_section_no_de": "89E146D26D4CCB82942571779DDFD12E",
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-      "extended_signed_section_aes_key": "D9D3047C6893895BF9182191E0C4184D"
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-      "expanded_salt": "6F2BB4A3A17263D0C923D2118CEA43B5"
+      "adv_salt": "B289",
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-      "derived_salt_first_section_third_de": "66325C554FC2A1E83B8A29046329D97D"
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+      "legacy_metadata_key": "00C8B5FF13076EEA5A1264D19CA6"
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   {
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-      "extended_signed_section_aes_key": "F6BB3C169014A5F8665533B9ACEDA8EC"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "90807F44A03D2C783E50DFE75133DBC5"
+      "adv_salt": "4D1A",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "7A6818D9581BCCE36E3DEC4A527CE447"
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+      "legacy_metadata_key": "07C0233CB9496C734273FA3C5991"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "0E49989F9BB91FD61B041DEFAFD2A65F",
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+      "section_salt": "5E3475B245C8BE031FCA2D18606DE66F"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "1309FCE9038901C6B35FB8CC6E75083B"
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+      "key_seed": "8C319E0DE081AA8710097E3EE12449F116AE4E2E3868C538D6FC4531CED326B0",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "46D1",
-      "expanded_salt": "241434899719886678BB126048390F7C"
+      "adv_salt": "3452",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "EF77CC32B445A29D855B8BC930870494",
-      "derived_salt_first_section_first_de": "F8639E179DE6009E376630A2191A458C",
-      "derived_salt_first_section_third_de": "7AC6F7FFD0341D3C2C950142BA910C82"
+      "expanded_key": "C0E81FE72D8A5DBE0AC4EB6BD2409076",
+      "legacy_metadata_key": "4F33575ABA9E666285CEE30F8471"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "CBAC1CFE1C5F031B94E83531A262D979",
+      "derived_salt_first_section_third_de": "CF334CF0AA86BB1DBD649578F99AC97C",
+      "section_salt": "0B01FCAA1583AF679FAF04B3597F0B83"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "9FF853C6CD7A072FC76D0DDA",
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-      "extended_unsigned_section_mic_hmac_key": "B626C7B7DA364F071C795C5FC9F929AE760410AA4B19E63C3FEE553DB41F67DD",
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-      "extended_signed_section_aes_key": "F21048CFD570C871E6C5B88D7C9B5FCF"
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+      "extended_unsigned_section_aes_key": "C5E5EE11AAF7B0F9BDD6175DE46FE122",
+      "extended_unsigned_section_mic_hmac_key": "451AE787A010D04420ADB37705D142A1A4B8DB7F2047B8B93C2C114572542A1A",
+      "key_seed": "949A8DC9086C9A425ADDF1E7DF07DD0A09567768F716C1B60DD8A37D0688B7AC",
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+      "legacy_metadata_key_hmac_key": "B828E34CD4C119BB6141387F29DE5FC59FB1271E52A71A200178760D5F05E778"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "241C",
-      "expanded_salt": "19CBC6AC3F5CDE15060D76A774EF5B6D"
+      "adv_salt": "0A10",
+      "expanded_salt": "145CD4817435CF1E3D7F1B354654426C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "300D4426EDA58A111F21AA70248A",
-      "expanded_key": "009F60E36A46410FE42202D083417CF7"
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-      "derived_salt_no_section_no_de": "9C7EF2A08E8D46FFA20F2461D84A3918",
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-      "derived_salt_first_section_first_de": "2CB1EC1C59AA3AD8A85E8FF51F3068FF",
-      "derived_salt_first_section_third_de": "912B5D09AEE0788BA956823279D1C7A0"
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+      "legacy_metadata_key": "4149698C44FDA382A148EA783847"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "58B1FD5AC58C70BF4F1DB4BEA397A2A6",
+      "derived_salt_first_section_third_de": "3624A18240FAAC2C5FBD5062B5103199",
+      "section_salt": "5F8E50999DF858B6F4922CE1E4F9E4B2"
+    },
     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "23FC02231AB5103C9C9C85EE2F2DF484"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "026BC2174948BF4EE1D3D7EE9D90FCC5"
+      "adv_salt": "724E",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_first_de": "B01D5E6E0EA97AA03DA9798B1497E614",
-      "derived_salt_first_section_third_de": "32781DDAAC0EF5F22DA99EBE6BF19F4A"
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+      "legacy_metadata_key": "2B1C5BD51DA9D1D1E8269E9485B5"
     }
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   {
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+      "derived_salt_first_section_no_de": "39C8A3D200FEC0D40776C7B5E9F2D175",
+      "derived_salt_first_section_third_de": "7625C7534440C6CEC347BE4A5D885FC5",
+      "section_salt": "B16D7DF2FBD6943308285A96A29A0D12"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2F269B7E5051A10A230A8734E3DFE5E7"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "E04B6732069469D789157650263F387D"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "48668492A3A8DCF5CEA527AC416AACE1",
-      "derived_salt_first_section_first_de": "6079AE8341CF8AA373BAC061D57F4325",
-      "derived_salt_first_section_third_de": "FDC4A9F92DF6E5A27E7837776A2415FE"
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+      "legacy_metadata_key": "B64CD01FFA879E1DAE961AD3D2FA"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5DC503A7A2960482E5924E92E3D5171E",
+      "derived_salt_first_section_third_de": "3CCB6799C737CAD76B6A9B6048434950",
+      "section_salt": "2C49BAC1064AB88412FD7E6BD1AAA2DC"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "5A6CFC9AD63B2D83F30561386E2143D6"
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+      "key_seed": "3DAF634D1D689E37EF0D825D4A083E64379FFC58741FD72881DFD3D91632F317",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "151C",
-      "expanded_salt": "2A82DABBCAC9415E7D3FA4EAD5A5041D"
+      "adv_salt": "0FC7",
+      "expanded_salt": "55B813AC4C7A4B14E461603A2EC96D11"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "E5E4F9EE66C8C5CDD5761E4FD348B6D2",
-      "derived_salt_first_section_first_de": "8E65836F63C3ADE2D0C193C1F89B793B",
-      "derived_salt_first_section_third_de": "DD1ED5358A8B144618912632A249C27B"
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+      "legacy_metadata_key": "23AA5BC9D6654268CDD46A582227"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "E5E3A667B97EA07B7C0BDC6E2CB89479",
+      "derived_salt_first_section_third_de": "888460C111D6A6FAEA24E364AD0EDB23",
+      "section_salt": "F451D979C96D1A3BEBFCA71B99DED5DC"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "BE2E1AF6168EC64AE5FF273C",
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-      "extended_signed_section_aes_key": "F68077066CC68EAB75F5E548034B4741"
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+      "extended_unsigned_section_aes_key": "0A2C9810B6D3E1202387B20D8CBDAB35",
+      "extended_unsigned_section_mic_hmac_key": "69FE5A2043C322EB36577290171C3BFE7F6A85B82B595F5563F2FA0EAEA02A0C",
+      "key_seed": "17C5DDF2A73BFA21443F92EF26E68032D6BDB0C41C94897A7B94D911B422143C",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4000",
-      "expanded_salt": "17515C39786EDE3AB67B7FECF0554AC3"
+      "adv_salt": "8A83",
+      "expanded_salt": "F61FDFEDBEE66A827A2B877DD5363462"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "FA16E31CB9527383280662C8B723",
-      "expanded_key": "46CF61A786E74546E61B22F5010BD52C"
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-      "derived_salt_no_section_no_de": "B2E1BB386952D81C80C6968F751D1940",
-      "derived_salt_first_section_no_de": "069401F31EB4A062A7DD08D1AFD72008",
-      "derived_salt_first_section_first_de": "F22D8C324C3C66220F6E94136EE94E99",
-      "derived_salt_first_section_third_de": "A823C934E7198DA07321290C4380D21C"
+      "expanded_key": "8DF105C9438AF94DF7813009366E3C21",
+      "legacy_metadata_key": "9DBE6368531CFD87FFC7A3505A05"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "2FABA6E978A704045FDCD306E8DD5501",
+      "derived_salt_first_section_no_de": "2A7D1F2EF8B4C7646FBF2280C072A0A4",
+      "derived_salt_first_section_third_de": "FF373099FA29BCD1CE1E928D1E377340",
+      "section_salt": "CAC0399A6976B3F85C3553866550B3FF"
+    },
     "key_seed_hkdf": {
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-      "legacy_ldt_key": "0A86061B2DA7AC70CDA0AACA29F8D67E3FF2D32C26FFB80DE3E0F8FA7C5D51FCDC4F0FB84E0AC04B864905240239AEB8A619AA455522ABA874A17BF5FAAE023C",
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-      "legacy_metadata_iv": "FB8268E55AACA971C502EF8A",
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-      "extended_unsigned_metadata_key_hmac_key": "E110FBE7DC5758E919554541CC1699AA5F1A693F494FF2E534CBCE80589D2E02",
-      "extended_unsigned_section_aes_key": "9FE7D17CE0FC1712E8032B946115BEB9",
-      "extended_unsigned_section_mic_hmac_key": "29036F533AAA005FAA01654BF68BF55862A0C575EEBA34B43123D7100F0C52C4",
-      "extended_signed_metadata_key_hmac_key": "8D802053DB044729B96C197C224FB94FF4FF80F8C278CBEE3D44BD3758E4114F",
-      "extended_signed_section_aes_key": "FDDAE1B7433E719CBD324CDC14231D88"
+      "extended_metadata_iv": "680C7969978162B384729949",
+      "extended_signed_metadata_key_hmac_key": "5A3874A50C47B745073694869118D8731824023B61A92401C979822E5BF35859",
+      "extended_signed_section_aes_key": "8F3289E5FB5FAC7AA18FD74C7C2036A9",
+      "extended_unsigned_metadata_key_hmac_key": "FADBDB5DCC256E56BC22056F97A026CD227CB82EA6EF9BD640BFC19D90B560E9",
+      "extended_unsigned_section_aes_key": "E74C0AAC43C1104B38452B37406099D7",
+      "extended_unsigned_section_mic_hmac_key": "B0CF4D94FDA7F3F3418C7F50E1195D6482CE278F495F8E2133543E47DA792FD4",
+      "key_seed": "5542E7C227153308F1068F66ECF04E4E8FA49A2240D9E2BCDE1127FACF5E6607",
+      "legacy_ldt_key": "19F24B30C1F9D7CBFF34508A9D80B13053181B25E870F87E43357863A1BBAF1940F6E3DF337F683E92A03C0ABBFA75F84B1BCE5AA12A9C45092F461ED8186B0D",
+      "legacy_metadata_iv": "D5E5BB81C9DF6B84E9F1DA0D",
+      "legacy_metadata_key_hmac_key": "BBCE2CCEC4347395EF7C2A4AA68C9F1DCD13F2DC56BE410DDCEAE218D605C78A"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "4B24",
-      "expanded_salt": "5B894C36816811998939409E85D14181"
+      "adv_salt": "A544",
+      "expanded_salt": "FC2D932CC70A9090993CDEB31C5BAC6C"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "85B76EBBE74D8E1A215DE7616709700F"
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+      "legacy_metadata_key": "DB8DAE794433E8AA379983D7A1E3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "2DE13816851CE8734C2231CFB31DA1C5",
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-      "extended_signed_section_aes_key": "7BBDB2D2BF4924BCCACE135107676ECD"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "54214170345EEB8137E13893990997C9"
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-      "derived_salt_first_section_third_de": "3E5A876BC66F990F914E200DB8FC0D74"
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+      "legacy_metadata_key": "C17C3E5BEB25247687A3FBF70CD5"
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   },
   {
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-      "extended_signed_section_aes_key": "F24DDD145F9BBCB111CFC74E78972DBD"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "27260B6178103A3230E1C3F0B9A76DB0"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "C807D9B5CB210564D9FCDD5C6B66EAA8"
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+      "legacy_metadata_key": "16276F44CF659AFFD28B669CDBB5"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "654BBFE7136ADBC475321334D71A62B8",
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-      "extended_signed_section_aes_key": "D844645A4CF1B90842A536EF380D1566"
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+      "extended_unsigned_section_aes_key": "E24D445A2D19E13E9CA35A0A73EF064F",
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+      "key_seed": "E05104357C4F4FF3C58E385229BE38763D7AECF48E15BEF3AD1B2A71D6F253BA",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "18EE",
-      "expanded_salt": "B2F04C361AE47A89BBADB09C8F3366F3"
+      "adv_salt": "0DDD",
+      "expanded_salt": "C467EC6731616FA1C93AE6B8E823609B"
     },
     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "25A7827356F296145081B9228039BC52",
-      "derived_salt_first_section_first_de": "02A8D88E532096E21ECE13415AB011C4",
-      "derived_salt_first_section_third_de": "333C6CBB4D661DF6AC3F7D84EE77D269"
+      "expanded_key": "5F4C6DD22D3A1B09283FDC692107DF43",
+      "legacy_metadata_key": "F382DF36138822056C2A537AC00B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "40F522EFFEEA0A0068DC3978596C4FAA",
+      "derived_salt_first_section_third_de": "227D500C3B10456FDBE0FC693459EC58",
+      "section_salt": "7118E7C22A26E8ED15AC8ABE258486D8"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "BF71C2D8447AD95D094CA0AAB4839971"
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+      "extended_signed_section_aes_key": "D89D5310F6EC83D6A49BF0DA1752F369",
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+      "extended_unsigned_section_mic_hmac_key": "01504E75FBB7B97941774A4ACCC6697D73D33A416FF80274A1876B2A0D503AEB",
+      "key_seed": "A4D2F884EE9B0500E24A2365CB6F312154235CB4C08D99C911E0C7F9FC1F0BA0",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "30C2",
-      "expanded_salt": "A853922E36FFB0EF2D2AB81361912A32"
+      "adv_salt": "671C",
+      "expanded_salt": "E56C99DD2B3ECBE2FBCB6F26BB0B2A33"
     },
     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "2A8EADE0E2905EE2EB4FA160386F0DD0"
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-      "derived_salt_first_section_no_de": "E6E7B88D969C7E462B82E1C6C71C9812",
-      "derived_salt_first_section_first_de": "387D5A9B541BE7D70634F6AE1F8B5AC6",
-      "derived_salt_first_section_third_de": "BF646CCAFD1CE9E9BCA18A35A91B9B4D"
+      "expanded_key": "6CFC3CEEB9A78EB32E63888406F2973B",
+      "legacy_metadata_key": "F75A4191096D40FE366C72BD5595"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "975746CF9CE6A2F830677D69022207E5",
+      "derived_salt_first_section_third_de": "BCD052F58489ED420ED467A8874D8A40",
+      "section_salt": "FA8072E2F81943996846EB8D7F9BE775"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "97BDD6DE3A2F1EEC670C0548",
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-      "extended_unsigned_metadata_key_hmac_key": "D3DA87437C5F736A9BA1AE1EF2E1AABAD9B88DED91F9E042F2CF9D926823E43D",
-      "extended_unsigned_section_aes_key": "5D1123F131F1AF71113E85248AE61E3F",
-      "extended_unsigned_section_mic_hmac_key": "2A9F1A77D70617D281DDA3DF9C3A62D1EDF8BDC47F07D85D223EAF6DE9B4A947",
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-      "extended_signed_section_aes_key": "DD81B7AA7E93D96DFBA5C204A869A24B"
+      "extended_metadata_iv": "704DA77074A7D11AEFF9BA2E",
+      "extended_signed_metadata_key_hmac_key": "C05F94574E253E4AFE6504D80B90697DA5137A9BD1819D3A929AA0A426D61DFC",
+      "extended_signed_section_aes_key": "EBADA6D25B91D792497653C24055F883",
+      "extended_unsigned_metadata_key_hmac_key": "4E78C99D75B7058CE0C05078FE37A61BC0F09CA5A4CDF12AFC79F781D2385CDC",
+      "extended_unsigned_section_aes_key": "02A8DAD959FA2DFCB0E0B908E1588EB1",
+      "extended_unsigned_section_mic_hmac_key": "B3CF15E6DEA2901A271D1912F226090FEB140100726FB0B9C23B5BA92581A0BC",
+      "key_seed": "5D8C2A0CD3C7D923E95EF1EF3B86EF18E2896070C3097F446D1DD680A5E5D102",
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-      "derived_salt_first_section_third_de": "E7ECC9CA6E687FF6F2CA8F8B95BFF8A7"
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     "legacy_adv_salt_hkdf": {
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-      "derived_salt_first_section_third_de": "BCCD608470863CCF6A8304FBC2CF9D74"
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   {
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "CC4907944864F3888E751D7AF9C582C3"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "1E51004CB7C7F907E6129B5BB49DEFAF"
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+      "legacy_metadata_key": "2895885EBC830E3379A120B2E8AF"
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   {
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+      "derived_salt_first_section_no_de": "9229E2887DF523ADAD47EBE1063B78EF",
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-      "extended_signed_section_aes_key": "65BCEE2AD8804544B23F4D51869A0C5E"
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+      "key_seed": "6497232EA14B41F650FB4F6588861DAE85C7F1F456880D773F97077987D4A79D",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "1A66",
-      "expanded_salt": "EC3AADAFCC08A5B515D16AF9AA3C60FC"
+      "adv_salt": "BBC1",
+      "expanded_salt": "54236C45857AE30531340AF3FB085F17"
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "97240B8FAA4BA8985FD834A18B44CF74",
-      "derived_salt_first_section_first_de": "AD551FA2C068ED8A887E551DDF3040EB",
-      "derived_salt_first_section_third_de": "68F21ECF14450FD610BF1DC26A08E8E6"
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+      "legacy_metadata_key": "9B4B8BCBF4340EB2A7E3BC63E95A"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5D2FA6169138265EAB02304C3AEDFBFA",
+      "derived_salt_first_section_third_de": "E2F71A51544770BAEF5D5AA4DF25C543",
+      "section_salt": "DB761F6078D3150E343E30BCD048BA80"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "76A868210A2BC34DEC83952E",
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-      "extended_signed_section_aes_key": "57C869FE4E1E36F2E5C82CA7A5D39658"
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+      "extended_unsigned_section_mic_hmac_key": "397096F1925AE71E32DD0861C5F994FE030E77E399AEBCB4520F50C3C8753796",
+      "key_seed": "47B2B5E717E149E666D9CD7D4FF8B4BCD641E5448837D938F0303FF9ACFDD856",
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "626223DBF355274ED5A7D7DA20A3AAA4"
+      "adv_salt": "251A",
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D9786DD87BBBB0422493514FBC66",
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-      "derived_salt_first_section_no_de": "96CCDD3CFEDC8CA5AB529026F9017CFD",
-      "derived_salt_first_section_first_de": "D753F52095F9757241EBCF7B6DC0AC01",
-      "derived_salt_first_section_third_de": "1C385D8EFF5619535D689FEA2797D629"
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+      "legacy_metadata_key": "D7FFEF6718C1154B61940C9EB188"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "F65EF97565C252ACC63934D893EC32D9",
+      "derived_salt_first_section_third_de": "BB05527D90255190F36821C9C50B4681",
+      "section_salt": "8D709FBC19F791A0C9B24D38AD7B71B4"
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-      "extended_signed_section_aes_key": "B70EB9E00B5A1F80F910467FB867843C"
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+      "extended_signed_section_aes_key": "C201AC50D4907B2D3A3E8708550A8539",
+      "extended_unsigned_metadata_key_hmac_key": "8AAE50291B8DD745F1F403033BAB2E48280016B574B48E8DF7898529985446DA",
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+      "extended_unsigned_section_mic_hmac_key": "7339AF099DAD150E8D6227888A65419CE994C4ACE60C7E85D7AD2521B284FD45",
+      "key_seed": "74C0A2B0A52FF367575D612F41785390B7DFBE4B53F2C9D746A04F133AF84271",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0C24",
-      "expanded_salt": "24F269D0E8558FDFE57A96F2C5B51C37"
+      "adv_salt": "A716",
+      "expanded_salt": "DFB6BB05991FEC6BF5A37595D4EF0F89"
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     "legacy_metadata_key_hkdf": {
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-      "expanded_key": "4FB01ABE139413C42BC84AC38C2766CA"
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-      "derived_salt_first_section_no_de": "2756A73C14C2A44482FC0A2983749FBB",
-      "derived_salt_first_section_first_de": "2BAC182F0CD825AB4D1477DFEBF283C6",
-      "derived_salt_first_section_third_de": "9308D11E9F8421153FC984B3A4DDC7D2"
+      "expanded_key": "BECA552F5C792476E0EDF5D5BCD9A3BA",
+      "legacy_metadata_key": "B39DDE8A1CC1B4B5F3BB0FE06C3B"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "B513A89F7973936843E6414ED261EF3E",
+      "derived_salt_first_section_third_de": "8F8FA4CCDE94DA4D1AE16EA811BE083E",
+      "section_salt": "6B28DB66194B4C43A89E8668A42D08C4"
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     "key_seed_hkdf": {
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-      "extended_signed_section_aes_key": "2A22926607A9C9D0A91406BDDB2AF628"
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+      "extended_unsigned_metadata_key_hmac_key": "028B978A240758DFFBC9236D710C6A74B5ED0F448367E277890864D5DCECB582",
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+      "key_seed": "16E2570617136B934C16C704D59FEE027CE607CD0B69ED670B79101954E14905",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "BED1",
-      "expanded_salt": "3351E829ED8966928D4C9DFFF89F8D4A"
+      "adv_salt": "AEC2",
+      "expanded_salt": "F70BA0538BD6E2E8CB59940C10367A2E"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7FA28BAD93DFD058DE8BA6B1DA7A",
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-      "derived_salt_first_section_no_de": "60020DC5FA664E0E04F73C6DD3E4011C",
-      "derived_salt_first_section_first_de": "7A07C745BCA33592EF33F2435FFF58A2",
-      "derived_salt_first_section_third_de": "D1E871D4A4CBE84204A4213E1BB3C4D5"
+      "expanded_key": "CDC4E245C5BC30919F57C708597B1BD0",
+      "legacy_metadata_key": "A8354E0D5A935CDBF540F0F2D0D3"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "5B1DBE7C067167FB94236E478917DD10",
+      "derived_salt_first_section_third_de": "EBDA3AEACA83DE0DC123A11D794FBACE",
+      "section_salt": "831D70D095F0347010157CBC7D28E3D4"
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     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "037C24393E1BDF4B9328C3B4",
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-      "extended_signed_section_aes_key": "20D36148AD93A7D568F0B3479250D072"
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+      "extended_unsigned_metadata_key_hmac_key": "80640EC36B5B0070AF9F82422D762C03478DE28D2EE68B62F032FBDDEAFF4DF1",
+      "extended_unsigned_section_aes_key": "D14304D0DFCFCAD52BC981668A6F6F67",
+      "extended_unsigned_section_mic_hmac_key": "43D37CEB206832BD63CECA3AD1EC5561C057E1419407FEB21CB8863072488004",
+      "key_seed": "33D844B574F015BCC8C02BACDEA5B9F7679A86028C1475F95606BB737F61AC27",
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     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "0A88",
-      "expanded_salt": "5F2325D7F4D5AF93339E4EA36583BFA2"
+      "adv_salt": "2D69",
+      "expanded_salt": "787C256EFD3B615F3A93E56ED0FFFA7A"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "23A8BE5FA2F1004FEB1CA6342CFC",
-      "expanded_key": "11B9FC3E5ED49BF5A331CC2D640D65C7"
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-      "derived_salt_first_section_no_de": "75419DF37F2162021DF8F9F3E5F317AD",
-      "derived_salt_first_section_first_de": "25318E148EBA8A3063A4736973B9F74C",
-      "derived_salt_first_section_third_de": "6675A91282BE3B7642F80E996049950B"
+      "expanded_key": "9F3B5C389D9250C0177566A9685D38CC",
+      "legacy_metadata_key": "DFC491A2FF59BE26A7E857DBE7AD"
     }
   },
   {
+    "extended_section_salt_hkdf": {
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+      "derived_salt_first_section_no_de": "CDEDDF425112634C5DA9119C95C35682",
+      "derived_salt_first_section_third_de": "C84D1516965C0220D755BCF3C604ED05",
+      "section_salt": "F89CB30EA57C3F8F0C6D2FFA88AC5FFF"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "AF2FBCE345B7D525121D58CA",
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-      "extended_unsigned_metadata_key_hmac_key": "443EACABB057E5C40FF819F5647ED30C16760D33A0DD28E7858ECA80B9701F28",
-      "extended_unsigned_section_aes_key": "6DFA9272345FB29D37CF7564C19E1C1E",
-      "extended_unsigned_section_mic_hmac_key": "B8AAFB71EA7A05061EED584E571BE847AB35C59359FDB222C5094D495C76C96D",
-      "extended_signed_metadata_key_hmac_key": "C2228EF5DD2A26FE881C13A6CEB3B5DAA1287F08FDE27F1D4E2F909C9C77CDC9",
-      "extended_signed_section_aes_key": "687F501E1946CCF6DA0BFC23866FAB10"
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+      "extended_signed_metadata_key_hmac_key": "97920A533178FE819F394CB3797675F0FC6293316887FA0A1FE0C842EB3D2FA3",
+      "extended_signed_section_aes_key": "2A601158B4A39A898A24B894394BAA33",
+      "extended_unsigned_metadata_key_hmac_key": "16037E337DCDA85F0F69028D490B08383C32946778FCDAD3D8AD39ABAB9F7764",
+      "extended_unsigned_section_aes_key": "4AC2BACD8BFED840A6D11E8CC91BF70E",
+      "extended_unsigned_section_mic_hmac_key": "CE4E5501CCE34316D6C77DBEABE5206EBD525C199973F6A4685EB701D2E5C349",
+      "key_seed": "8EBEE5071FC9DDF6FA5165A6E112B533E0FCD1629B7D81438E1012EE58EBAF0A",
+      "legacy_ldt_key": "DA443623B7F09FB14674C165FA5FA78CFFAE4F837AB81F69E75F8D644A420B5141EA274DF44A32359B5E8DBF470F45D2385B5E08010A3670E08DD380E24ACD44",
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+      "legacy_metadata_key_hmac_key": "3FE01D548B9B8A22594AFDE9315C6D65447A4078C771DEC2475A24206F9E4E98"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "5BBE",
-      "expanded_salt": "B615DBC5CB5118E19E6B0C454FD9E0DC"
+      "adv_salt": "B3AE",
+      "expanded_salt": "069861A56B09AEC95E8E463503830270"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "1B602C4692F2390381B4A45E9D69",
-      "expanded_key": "E38C789E353938800F6A541DCF7B3CEB"
-    },
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-      "derived_salt_no_section_no_de": "9D7B02CB623BF2DBD2D9B476F3B94E6B",
-      "derived_salt_first_section_no_de": "DDCC4E3C31C300A2D33704DC815EE9B0",
-      "derived_salt_first_section_first_de": "CA1BCA1284F6A1C1D11135FB61E93E1F",
-      "derived_salt_first_section_third_de": "FD5E4F0F4E4795BD95D1FBDF444634C3"
+      "expanded_key": "5C8864CCB72AECA4137F3B7A37B6C7DF",
+      "legacy_metadata_key": "51ACA7680D641AB37055CC575A05"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "83B964847F62A780FF604CEE6BAA5B73",
+      "derived_salt_first_section_no_de": "3179860C5A84C0297F78DB17F85104A9",
+      "derived_salt_first_section_third_de": "260521A20F1136DF6FE54FF414829D8E",
+      "section_salt": "30D59B533F6EE8F827D744E2AED3F3AD"
+    },
     "key_seed_hkdf": {
-      "key_seed": "9828EFAC305FAB2E6B866F28124F8881E00592674AAE213B1CC2DA92030D7E05",
-      "legacy_ldt_key": "581E463639DE1A67CB043E751F17FBBD698D4631CED81E0F619C9B8A7E986E189D5562C1CC229056892CB4D7C3A3F68DCA24B9A944BBA551737CABF2567792FE",
-      "legacy_metadata_key_hmac_key": "0A08C5FC61E63D49AE77466C945CDA3E8219BD6EB05F351AA197477D982CC07A",
-      "legacy_metadata_iv": "79B27E71F71B622501A99C7E",
-      "extended_metadata_iv": "8B126B6B90C0AB0FE8D4740B",
-      "extended_unsigned_metadata_key_hmac_key": "9DBBFDEA34B9EECB963807D6FA8A3AA47243D7E2EAA37FCF7648230A2E839871",
-      "extended_unsigned_section_aes_key": "D90964A1F40FEC9E65D449F9955B5608",
-      "extended_unsigned_section_mic_hmac_key": "8F1E1B25E06309BBC33AE682F94A77DE24D711458A7C79F14D3E11DAFEA88285",
-      "extended_signed_metadata_key_hmac_key": "66139C0E6D34F21235E21270DE3553CDFD3737EE6905BB0F8AAA4A58DCFC7806",
-      "extended_signed_section_aes_key": "594B08F47E59C385EB5DD989231987AE"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "A9928C43631F93E9FF9CEA5CC860DDD7"
+      "adv_salt": "5B75",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_third_de": "A1F2941956D4AA69D160DC67BEF20ABF"
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+      "legacy_metadata_key": "DE2342887DE422FA0D3F73391035"
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   {
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+      "derived_salt_first_section_no_de": "22C7B4FBB2496FA99FE710E750527FF5",
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-      "extended_signed_section_aes_key": "1F0D96CDCF93173411D4E538D033F416"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "12BAD23A981D677EA9A159CC5FF243BA"
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-      "derived_salt_first_section_third_de": "D1F14B4769E538640D5B35081B7039CD"
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   {
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-      "extended_signed_section_aes_key": "C85961C54A106495B3FC4E64E3B98770"
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     "legacy_adv_salt_hkdf": {
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-      "expanded_salt": "503E284A946212AC05343BBAD41E3CEB"
+      "adv_salt": "2410",
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     "legacy_metadata_key_hkdf": {
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-      "derived_salt_first_section_no_de": "42422FE892A5D660D5348B0503021CC4",
-      "derived_salt_first_section_first_de": "853EAB7C6C801F636734402B68B0CFA8",
-      "derived_salt_first_section_third_de": "984CBC16C0040B696E045A45C9435BE6"
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+      "legacy_metadata_key": "D9FF02D0A5A38E9D8393B214CEA0"
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   },
   {
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+      "derived_salt_first_section_no_de": "790AD77D56D24531AF0E772BECC16D31",
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-      "extended_signed_section_aes_key": "167563B8A5EBF017D7B3920E7F1EA3F7"
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+      "key_seed": "9D18C348E16584BCC0D5A8623BC53E2E0E730D9BCE3F18DB7D642F410B7A4D44",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A5F8",
-      "expanded_salt": "9500AC07CA611145CE9EE03DE2E19201"
+      "adv_salt": "0D30",
+      "expanded_salt": "F2F875386455F45B8C2DC39853E876CD"
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     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "EF76A65640E04C81C31BD5DA5BF9",
-      "expanded_key": "DEB56816565635303786F7F3C10E5B99"
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-      "derived_salt_first_section_no_de": "CDA378A5BF5F87C48D25A6492B590F33",
-      "derived_salt_first_section_first_de": "7445122A78DBF42E53DD72BAF3C15765",
-      "derived_salt_first_section_third_de": "4C15267E5C6D64190A9784D8FBF28C8D"
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+      "legacy_metadata_key": "DF3C89AD4930385076E1AEC19454"
     }
   },
   {
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+      "derived_salt_first_section_no_de": "DBE0487FD05E93ED49227C2EDA5FB285",
+      "derived_salt_first_section_third_de": "7DC70FB002C3E0BD4FD06C3A7B631F91",
+      "section_salt": "6D19D98A554F0DB81B2ADD76F349D9E7"
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     "key_seed_hkdf": {
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-      "extended_unsigned_section_mic_hmac_key": "8877B362C4208757EDFE6446502DB37C7DF986A2AC0B8D7D0CE30D7F04123C75",
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-      "extended_signed_section_aes_key": "CAE389D6412007B540F45E599FE29678"
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+      "extended_signed_section_aes_key": "9DDF67C3F63C6A375170ADB286B6DF87",
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+      "extended_unsigned_section_aes_key": "948C9B0E2E9285B7B9FE6533DA49BF13",
+      "extended_unsigned_section_mic_hmac_key": "BCC76F98086D237A1F73706B535EBF80A3969D645A4B2E570F066859889187F3",
+      "key_seed": "B685C2E423608215226E6DB5CA32808319700FAA6AAE0BD591786F2C5571AF38",
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     "legacy_adv_salt_hkdf": {
-      "adv_salt": "C9A2",
-      "expanded_salt": "8C0AF7D65E154F7F4669DE3557079C91"
+      "adv_salt": "CC1A",
+      "expanded_salt": "F1DA63E316489CD848BC67FFFEF6C2C8"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "93D51328CBC5D929F38D4421F946",
-      "expanded_key": "BD57E883FEFBF550D2F2DC9821BEF200"
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-      "derived_salt_no_section_no_de": "C75E0169974A48B4232956A91C4A36D8",
-      "derived_salt_first_section_no_de": "444AB72630D8BBBEC56A5668EE08660C",
-      "derived_salt_first_section_first_de": "6B945C343FEB9580CEA8A15FEE47E92C",
-      "derived_salt_first_section_third_de": "72B7F817DFA542DEF6B3F2571BE55EB5"
+      "expanded_key": "47493BAB69D434CF78AD77B571CD411B",
+      "legacy_metadata_key": "42578471F7F7B5FAA749F925D053"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "1ACDC1411EFFCE3DD39BB8E50ABC7035",
+      "derived_salt_first_section_no_de": "05FA583374BA3E37C47CDACBFD229139",
+      "derived_salt_first_section_third_de": "CE1FB34BAC0CB730FF1C3E0FD9573E1A",
+      "section_salt": "3391B10ABE3F591F23D3817F34E54527"
+    },
     "key_seed_hkdf": {
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-      "legacy_metadata_iv": "476FF7572D728E9B96A58EE8",
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-      "extended_unsigned_metadata_key_hmac_key": "B3E465F8E48B0676A473FF5CA8EFFE11C66313A34C3642D3D756B5250D85A023",
-      "extended_unsigned_section_aes_key": "EA77F7484E9C4C7EA96259CD1640D7AC",
-      "extended_unsigned_section_mic_hmac_key": "34EB661FA0D5DC70AF916760FB13E9A0146CF1A8E6BFDE70C143CE20CA17BD60",
-      "extended_signed_metadata_key_hmac_key": "80F17DCF8123DF92D2D168B8E0850B37B52F7D25ABC1634A8B72E33835759E49",
-      "extended_signed_section_aes_key": "3B58F24BEBC1C70CFE0C292387C9F878"
+      "extended_metadata_iv": "7928DBE41D0FE90C5163BA94",
+      "extended_signed_metadata_key_hmac_key": "68D2C7439B40CA714872A0FA7BDD5C1A7EF5CFF5A5AD68485DD1395B0D9C533A",
+      "extended_signed_section_aes_key": "3E0BDC042D97196AD40FC7D156D2C30E",
+      "extended_unsigned_metadata_key_hmac_key": "9F57AAE1DF867DA3391EBB408D4528AA2CE1B5C155A4227AE60AA89D44C0CAE1",
+      "extended_unsigned_section_aes_key": "E5EA2C722808AD08D6077CA534DFEE87",
+      "extended_unsigned_section_mic_hmac_key": "6AC80CA3C5CF9F6D5EEDDDCCCB4CA85DEFFC69DF6ABA64EECD4ED162E0D738AE",
+      "key_seed": "EDB340675CCB1A2B2378E8ABA80A0E286F0A8289D5E64705D1F62FEE92E0FE17",
+      "legacy_ldt_key": "2CB9C3B08C3B9E964841A2CCAAAF3A0468729CD45BFC68D7B2A03081643879B05A83BCE0E5C1C6763C0B2FA3217A903E27806A26A5346A4C642A53F98814E0EE",
+      "legacy_metadata_iv": "50C472185FDE63FEB3F69481",
+      "legacy_metadata_key_hmac_key": "3AF03DCA5C07CB90EA83D2C5EAE9CD1CEA96CAFD7148029EA8088446BC713EA4"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "AB73",
-      "expanded_salt": "B289532243012D8D4CB1D02C88581FEC"
+      "adv_salt": "4C22",
+      "expanded_salt": "CD422A78CC6934E8048627D0DC5A51E8"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "E35EC9B586886505FAC534D38FF3",
-      "expanded_key": "1CA9A3EFEEE52A2A5C145CC2804445C3"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "07B9A4CC634ADAAA983506773DA67655",
-      "derived_salt_no_section_no_de": "93FF2CB85F439BC272F61E208F6A283B",
-      "derived_salt_first_section_no_de": "73036C995DE8CF01530F64FD2168C2B8",
-      "derived_salt_first_section_first_de": "F0ED60A9DF46C9544218783E5EFAC9BA",
-      "derived_salt_first_section_third_de": "0EFDD5977BC8232E8A3083E51817B833"
+      "expanded_key": "5B6DA9777BB0F17BE4B5A8D2C0262F79",
+      "legacy_metadata_key": "B49B90073C14F75E776467A5D878"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E62F1DD973CDC266C90EE4DF1036CF75",
+      "derived_salt_first_section_no_de": "44AA57AD631EC7389666DCEA77C294CA",
+      "derived_salt_first_section_third_de": "4AA23D95D88163A59BF74F676743E3B9",
+      "section_salt": "61865816B112335B3A6E5B9F2445921B"
+    },
     "key_seed_hkdf": {
-      "key_seed": "A282E38334E8BD49156F14371FD877F7BFE09CDD90B3B5B57874E65CB44FDE73",
-      "legacy_ldt_key": "70CCA999D27DA779009BB4882E44360D62C02D31514812628AA318C48AB65440AC63B673F39834B773A7D318A7E0E88EBD23028E8B57A426B861455B320ED9A7",
-      "legacy_metadata_key_hmac_key": "2D6CB49700F52453E27D68C5FCB176A1B57725EB0686A4CA44C5CD5889B4B082",
-      "legacy_metadata_iv": "251BB5CA8D5C12635B46FE48",
-      "extended_metadata_iv": "A3C73E41323608CB32345E67",
-      "extended_unsigned_metadata_key_hmac_key": "2166B68D60C3F97F4DF4C8BCA57D464CC46EE96258289A2D9B7FE9BB228D294E",
-      "extended_unsigned_section_aes_key": "15BDF55E31211CE2ADDD0531D9A2D707",
-      "extended_unsigned_section_mic_hmac_key": "3D9F143F044274009F590B1ACEFA400F2E18281F0D493E458C9A7A6E06332739",
-      "extended_signed_metadata_key_hmac_key": "5763BB8D06DF71D3380FC812355C26F8B31230D704E263A7A987B99DBE0ECC44",
-      "extended_signed_section_aes_key": "A8EBB71DB74CC7367CB7B0C44856AF90"
+      "extended_metadata_iv": "20A7AA32ED0A512B3BCC605A",
+      "extended_signed_metadata_key_hmac_key": "82FD31BEEF23B964326D45A46076C70BB6F707CF948D131CAE86BC9031033C9C",
+      "extended_signed_section_aes_key": "136A5015AFEB53C7C1E53094D353AA8A",
+      "extended_unsigned_metadata_key_hmac_key": "FB87972B043D852133DC11C6E5C2E425B52D81142F4948F006293EF45C91A727",
+      "extended_unsigned_section_aes_key": "509EEE6F41367BD6C91826058F3C804B",
+      "extended_unsigned_section_mic_hmac_key": "3CCCC109B453EAB34B815EA0CF8CAC9CBC00B7361C91E2DE2CEAD4CB1AC821E6",
+      "key_seed": "B526AD2760DDBFD936C8AA210DC639AB3346D66465D186A5526AEB8658785BFB",
+      "legacy_ldt_key": "AF7C0C71D57E804A00D7D4369229D985527DEE781446BC3269C4F20C95722CCD42026D91DED4A7FD5D96ABA1CB5DD159A6FE9D4785FFAB77807EF7EE9F3AFDD6",
+      "legacy_metadata_iv": "797FEA0E985896CE37BD7F00",
+      "legacy_metadata_key_hmac_key": "21C57981D41632066BC7035688F8B9D2B84FB1D611D809B83B0AC82339D122AE"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "DDA5",
-      "expanded_salt": "22B68BB96C28B8D7C0BD72E75EAD195F"
+      "adv_salt": "8CC8",
+      "expanded_salt": "5931A58109AF39C5BE43ECDEED5F30ED"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "C60599C65DD3B8516E9E014617AF",
-      "expanded_key": "F51C3B7D7DB3B7FF1D6983E1AC820417"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "3816F9E6E8E226C3FD0D8A20CC0A3066",
-      "derived_salt_no_section_no_de": "B71EEF1E1E685305B6387343B82A6EC1",
-      "derived_salt_first_section_no_de": "3338E82AA7549B8344B06F3C65D13546",
-      "derived_salt_first_section_first_de": "07B672403029D9A0FD67E376CAB9DA6A",
-      "derived_salt_first_section_third_de": "F1D4ED5CE9724366771720E62C9F3C9B"
+      "expanded_key": "956BCB112425851760306F974C9C9B40",
+      "legacy_metadata_key": "A5996CA8E9E500EB753B723DDE5B"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "D2BB78F9B65F67E6FDAF3C1BA7C39759",
+      "derived_salt_first_section_no_de": "96B86876AFF59AD1DD42C4501E13819B",
+      "derived_salt_first_section_third_de": "933A348AB95FB4E839231E8A16A53AC1",
+      "section_salt": "2D502CC76C1524CBF2A6EFD7A6C90239"
+    },
     "key_seed_hkdf": {
-      "key_seed": "E9A6651D30FC7CD8AB9B38CD9517EF1399145F5981035579BC6A9E95C19821BC",
-      "legacy_ldt_key": "CE1712219A7213CDDB8957758374224F3CE2D26DC5813A92C138C7BFAE2C820879650E98601C06C5CA95EFA996845EB4B18671E5EDE470BDA310182A1543B937",
-      "legacy_metadata_key_hmac_key": "E63F55FCC136479AA9CDDC4C76F229749792B2B60AA80C5356728AC2FD8E1649",
-      "legacy_metadata_iv": "20F2078DA817BFAD0655D673",
-      "extended_metadata_iv": "64866A822B111FCC827F6907",
-      "extended_unsigned_metadata_key_hmac_key": "442FDE5BCF851DF9C4CA809EBB70692D3C97548E175F998DAA750BF53B8B09F0",
-      "extended_unsigned_section_aes_key": "878079DD97C6ECBBE035E0FCE237C9E5",
-      "extended_unsigned_section_mic_hmac_key": "85F095B5B1C13D134C5CC3B224AB33198F282286E3C1B13E6C10ABEA1C4694CE",
-      "extended_signed_metadata_key_hmac_key": "125EE5C53BB712613756AFF255240BEF8C6932BD8912C4200D0A507BE8964EBA",
-      "extended_signed_section_aes_key": "65D86C08839A589DC903CDDD6FF35671"
+      "extended_metadata_iv": "9AEB678729C0E55B26A3AF5F",
+      "extended_signed_metadata_key_hmac_key": "80AD9EF5A11DD84ABDBEA79C68A307F5F9393EDC22F43676C71AA48151B74186",
+      "extended_signed_section_aes_key": "32A60372DA2CA70E7502A3E249AB8CE4",
+      "extended_unsigned_metadata_key_hmac_key": "4900684961433FC36AF2FEBD236480C13F673C83F28C53A0DF426E8188E0D0D3",
+      "extended_unsigned_section_aes_key": "1E9E187715BD8029B2F9D862943ABB13",
+      "extended_unsigned_section_mic_hmac_key": "F2158057F34E16DC70C8A19515A5E9CAF890AAC267CFF3183A6BDE15B4708DB6",
+      "key_seed": "8FB981E265DC933999E83327E1AB92BDB9EFB48C8FF54E45A237BF95BC885F79",
+      "legacy_ldt_key": "05C194D0652EF200F66A7D23CA9E829484244A26F50EF1B7EEA25214B2E009A0B213D2288F5514A2A00351E021B4E9EC0A5240BC0BE38B372264AFA8606B956D",
+      "legacy_metadata_iv": "8F7FA54257F2F7EF29DFFC4C",
+      "legacy_metadata_key_hmac_key": "4DBBBEA2E074E11D3F54B634AE6F75983843AC3FB428CCF79F622B3D37384DD6"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "A28F",
-      "expanded_salt": "24B80884B8A0C06608A20AA48BD845B6"
+      "adv_salt": "9761",
+      "expanded_salt": "0F07475E4EE655ECDB6A84BF6FD5622C"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "D753159A4CCAF4AC5F9512C212EC",
-      "expanded_key": "47458E8C4FB32D10432B2CC96469B4BB"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "516FDD21B1F1935E202918F4668701D1",
-      "derived_salt_no_section_no_de": "0C9D3A56166188147725C36177DBD57A",
-      "derived_salt_first_section_no_de": "5F4E6F067F9926846E4626623A8CA0C5",
-      "derived_salt_first_section_first_de": "0C89BDFCFF605FC865A5C5E6479E9430",
-      "derived_salt_first_section_third_de": "2C293736BF28F4171EB240F53D8B0E57"
+      "expanded_key": "5F76BA56B7E91999F969677E909D6BA2",
+      "legacy_metadata_key": "8AAE84B7B19D3CBD7B8C25055B27"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "E9D58C4EC567A2C6EBA8304EFAECAC1E",
+      "derived_salt_first_section_no_de": "1DBF230F4145620EB9EF36559A163D21",
+      "derived_salt_first_section_third_de": "13DFF359E4A76019DBBE475CA78D7E32",
+      "section_salt": "E11511067A624355848C5904B88CB04F"
+    },
     "key_seed_hkdf": {
-      "key_seed": "1FE0CA6C53CF5FB4AD24EBDB8D38879A6DBBEBD05E3E023AC7886932A5C5BC92",
-      "legacy_ldt_key": "0980B63C18846058683E55656E8E33F8E66E7A312FA42A68C38950AED9A12584BB4BFF288A57C904551C4B86DB84D674FD1DC19A7D6E30F1D1AD93CC775CCF8E",
-      "legacy_metadata_key_hmac_key": "18BE757E891F6AE0104B36D117E5966F10B40A43608B6E1A16F45311A525DDF8",
-      "legacy_metadata_iv": "2EA3D18A286E22D85D92655E",
-      "extended_metadata_iv": "CF034FEA39431CE7B245E3B2",
-      "extended_unsigned_metadata_key_hmac_key": "12D80F8ABB8991DD11205366C8A10129E4957917EA839BD777A6A0BAD9098881",
-      "extended_unsigned_section_aes_key": "30B6E6CEBDA9C11392583458122EDDD3",
-      "extended_unsigned_section_mic_hmac_key": "6800B9276C38C25787FF6CEE77F492CFF918A162A7B8E6905247E141B3C3E84C",
-      "extended_signed_metadata_key_hmac_key": "436D12C43E7251E5CB1A8A0285B4E99948C1627DFA6580D969362FC590F7EAF6",
-      "extended_signed_section_aes_key": "B44AC66791B87D83A6AA6F1E4EBACA64"
+      "extended_metadata_iv": "34A55582712D99B4EB3BABAF",
+      "extended_signed_metadata_key_hmac_key": "10743B50FF515DD93F4475B89A0F56F36384D256C0D05FE72A0DECF2431FDA72",
+      "extended_signed_section_aes_key": "FDDC553CDECA218343270D929FC60B00",
+      "extended_unsigned_metadata_key_hmac_key": "E7F4F53507C4CE9E6B71D9CCDC61DF65C6D37412C80813A5E38D0F43246DD3BC",
+      "extended_unsigned_section_aes_key": "9078301052192B11654D06C21F7344DB",
+      "extended_unsigned_section_mic_hmac_key": "F13B170C5553D5FBA91FCEA2538A6C41BF189735E064D1E8D3FE72E3CEF327A7",
+      "key_seed": "1787EDD62CB2AE35D9CA3E58664F7EAA0943ADB6408EE7DACD03D69BFB71950D",
+      "legacy_ldt_key": "A5D3C3CDA51C29156F8559D7240EA7BB9978C512C37F917E01FE3D0737CB3A583E484D22431A31D6862C1EE1B9B2EA8F8F53DF93994F5DBD39D80E4945672440",
+      "legacy_metadata_iv": "6E2F4EFDDD8EB5956D64E032",
+      "legacy_metadata_key_hmac_key": "6D7502650A0FC4FC4B5A121A3530B64C670DF30129FDF2A3DB208A9E73EC6119"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "58B3",
-      "expanded_salt": "92741170FC32DADBDD8CB22652DC6786"
+      "adv_salt": "5CAC",
+      "expanded_salt": "6286C892C789E707D5FC4F7ECF295758"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "763A2141546C12243EE40C73D650",
-      "expanded_key": "F6F8DAD622BA2C37C82C14A50D31E66D"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "EE3F82ABCBE1B6DD1F29AC10E8ED03B4",
-      "derived_salt_no_section_no_de": "DC6156EBC2700EF7D8691E5C13601ECD",
-      "derived_salt_first_section_no_de": "958424D97F778CAB44CEC31A6E322E41",
-      "derived_salt_first_section_first_de": "44862EC6F9D6950213D826744FBE28DE",
-      "derived_salt_first_section_third_de": "AC558C2ABCF03AA4B728FD904DEF2CDF"
+      "expanded_key": "3A6CA8878EEA4C9780A4CD56DF6EEF9F",
+      "legacy_metadata_key": "09120637CB232A416770C120E7B8"
     }
   },
   {
+    "extended_section_salt_hkdf": {
+      "derived_salt_first_section_first_de": "4C1459C08D03611726FCC72571D92FA9",
+      "derived_salt_first_section_no_de": "7FFC521FCA71B26C810B8A8105595E6C",
+      "derived_salt_first_section_third_de": "1EDAFA7D120A008A329EA66B53065C13",
+      "section_salt": "FEAAA8F6CA4148428F07867873E7363A"
+    },
     "key_seed_hkdf": {
-      "key_seed": "8D041D3597B1E8C36F7E68ABEEEFE8B02790924833E23F61C1B339E8E1E65B1E",
-      "legacy_ldt_key": "BF12EF4CAC729ADBEC49A6F2F3F6FE010DA15BAE4348CC074C79033CDACB11521A35F414331527E306CE5CFF633EE95687769859BFF6E1E03567B80C413697E9",
-      "legacy_metadata_key_hmac_key": "52EC0CBEA5394AAC360621E62A305466A58C85FFD9EC18A7DBC8DD71C8640AA6",
-      "legacy_metadata_iv": "2F29C7B28CF5F666D9AA2FE0",
-      "extended_metadata_iv": "CC042672BC2052A7DFC24B12",
-      "extended_unsigned_metadata_key_hmac_key": "ED7D5F40C5EF10B5CAD5DC26F2F8EA012DFA3BF2D5AB9161922F3D7B594FDA4E",
-      "extended_unsigned_section_aes_key": "6AC339AC1BB4183CBFC69A5E11932717",
-      "extended_unsigned_section_mic_hmac_key": "A7A5C9F8FD678E70A06D85AB6B11ABF13387BFD4DDB04E560397DAC274408A26",
-      "extended_signed_metadata_key_hmac_key": "7721029086B798BFC34C4AFC73CB9EA867CA9EAD95D039D0AB0ACA9283F0CD3D",
-      "extended_signed_section_aes_key": "E9EC68FA7ECB9B5B69A0058BC986BED1"
+      "extended_metadata_iv": "32FB758913476CDEDB73730B",
+      "extended_signed_metadata_key_hmac_key": "EA12527AC48115C847FAB2A3B06AA38DFC9AE7C181561500DDBF582210C15CB0",
+      "extended_signed_section_aes_key": "3ADFF816D9C7CF0E0C24B5D28DA43CC2",
+      "extended_unsigned_metadata_key_hmac_key": "9E7DB36A13353175552C21A8CCC26CD5DB59AAF78508EE95A819308E22264A5B",
+      "extended_unsigned_section_aes_key": "9EDC7CC6C38442E036935667C17813D1",
+      "extended_unsigned_section_mic_hmac_key": "04BCFC0C5A5B8E4189BBABF0158CDCD12565E3D0BABEF8A0A8540B18E924776D",
+      "key_seed": "9417ADE49361BEF9E554243A6E7F0DC321CE813A4041EAE974E2E98A596A8884",
+      "legacy_ldt_key": "6CA03A262A1F95E6DDC28B4477169965D8EB99918806B3A3F549F8F9DE3F7C56F9B8130976A6530E9DFE00AA547E32433A5FE714324F043B71FEC01E40EED204",
+      "legacy_metadata_iv": "80F123026A36CF71A3D29760",
+      "legacy_metadata_key_hmac_key": "6A4FF1BD14E38BCEEC956BE0249EB47DAA0BB20EC0DC9D22DF8BA3171CEE8194"
     },
     "legacy_adv_salt_hkdf": {
-      "adv_salt": "CE28",
-      "expanded_salt": "8D32F46A022CD22A0489F05D592661D8"
+      "adv_salt": "FE2B",
+      "expanded_salt": "5E7AF0BB00C7AC8BF009F3D6590F9006"
     },
     "legacy_metadata_key_hkdf": {
-      "legacy_metadata_key": "7350B8AFE53EB566E5595C24F9C1",
-      "expanded_key": "8DAA7A7FFA10AE2EDF71A847B6A4AACD"
-    },
-    "extended_adv_salt_hkdf": {
-      "adv_salt": "E2F3B66BB3547E15B793CEBED1334507",
-      "derived_salt_no_section_no_de": "3E6459432237E17AF172CA36BD95A838",
-      "derived_salt_first_section_no_de": "A22D49A11BF8F99E0ED9E0A7977E8DB9",
-      "derived_salt_first_section_first_de": "B13104A7C9D1F9AE04C6AE804613024D",
-      "derived_salt_first_section_third_de": "12BC352B766509AA9A8B058D56C20EEA"
+      "expanded_key": "21870BFE2E25D3485DD2BB055999B8BB",
+      "legacy_metadata_key": "215704DCD36B6FDEDA6B748DA5CE"
     }
   }
 ]
diff --git a/nearby/presence/np_hkdf/src/v1_salt.rs b/nearby/presence/np_hkdf/src/v1_salt.rs
index 1db378d..acd118c 100644
--- a/nearby/presence/np_hkdf/src/v1_salt.rs
+++ b/nearby/presence/np_hkdf/src/v1_salt.rs
@@ -37,22 +37,13 @@ impl<C: CryptoProvider> V1Salt<C> {
     ///
     /// Returns none if the requested size is larger than HKDF allows or if offset arithmetic
     /// overflows.
-    pub fn derive<const N: usize>(
-        &self,
-        section: Option<SectionOffset>,
-        de: Option<DataElementOffset>,
-    ) -> Option<[u8; N]> {
+    pub fn derive<const N: usize>(&self, de: Option<DataElementOffset>) -> Option<[u8; N]> {
         let mut arr = [0_u8; N];
         // 0-based offsets -> 1-based indices w/ 0 indicating not present
         self.hkdf
             .expand_multi_info(
                 &[
                     b"V1 derived salt",
-                    &section
-                        .and_then(|s| s.offset.checked_add(1))
-                        .and_then(|o| o.try_into().ok())
-                        .unwrap_or(0_u32)
-                        .to_be_bytes(),
                     &de.and_then(|d| d.offset.checked_add(1))
                         .and_then(|o| o.try_into().ok())
                         .unwrap_or(0_u32)
@@ -68,6 +59,11 @@ impl<C: CryptoProvider> V1Salt<C> {
     pub fn as_slice(&self) -> &[u8] {
         self.data.as_slice()
     }
+
+    /// Returns the salt bytes as a reference to an array
+    pub fn as_array_ref(&self) -> &[u8; 16] {
+        &self.data
+    }
 }
 
 impl<C: CryptoProvider> From<[u8; 16]> for V1Salt<C> {
@@ -94,35 +90,6 @@ impl<C: CryptoProvider> fmt::Debug for V1Salt<C> {
     }
 }
 
-/// Offset of a section in an advertisement, used with [V1Salt].
-#[derive(PartialEq, Eq, Debug, Clone, Copy, PartialOrd, Ord)]
-pub struct SectionOffset {
-    /// 0-based offset of the section in the advertisement
-    offset: usize,
-}
-
-impl SectionOffset {
-    /// Returns the offset as a usize
-    pub fn as_usize(&self) -> usize {
-        self.offset
-    }
-
-    /// Returns the next offset.
-    ///
-    /// Does not handle overflow as there can't be more than 2^8 sections in a advertisement.
-    pub const fn incremented(&self) -> Self {
-        Self {
-            offset: self.offset + 1,
-        }
-    }
-}
-
-impl From<usize> for SectionOffset {
-    fn from(num: usize) -> Self {
-        Self { offset: num }
-    }
-}
-
 /// Offset of a data element in its containing section, used with [V1Salt].
 #[derive(PartialEq, Eq, Debug, Clone, Copy, PartialOrd, Ord)]
 pub struct DataElementOffset {
diff --git a/nearby/presence/np_hkdf/tests/test_vectors.rs b/nearby/presence/np_hkdf/tests/test_vectors.rs
index 3fad749..ce60337 100644
--- a/nearby/presence/np_hkdf/tests/test_vectors.rs
+++ b/nearby/presence/np_hkdf/tests/test_vectors.rs
@@ -96,24 +96,20 @@ fn hkdf_test_vectors() -> Result<(), anyhow::Error> {
         }
 
         {
-            let group = &tc["extended_adv_salt_hkdf"];
-            let ikm = extract_key_array::<16>(group, "adv_salt");
+            let group = &tc["extended_section_salt_hkdf"];
+            let ikm = extract_key_array::<16>(group, "section_salt");
             let salt = V1Salt::<RustCrypto>::from(ikm);
             assert_eq!(
-                extract_key_array::<16>(group, "derived_salt_no_section_no_de"),
-                salt.derive(None, None).unwrap(),
-            );
-            assert_eq!(
                 extract_key_array::<16>(group, "derived_salt_first_section_no_de"),
-                salt.derive(Some(0.into()), None).unwrap(),
+                salt.derive(None).unwrap(),
             );
             assert_eq!(
                 extract_key_array::<16>(group, "derived_salt_first_section_first_de"),
-                salt.derive(Some(0.into()), Some(0.into())).unwrap(),
+                salt.derive(Some(0.into())).unwrap(),
             );
             assert_eq!(
                 extract_key_array::<16>(group, "derived_salt_first_section_third_de"),
-                salt.derive(Some(0.into()), Some(2.into())).unwrap(),
+                salt.derive(Some(2.into())).unwrap(),
             );
         }
     }
@@ -161,13 +157,12 @@ fn gen_test_vectors() {
                     "expanded_key":
                         hex::encode_upper(legacy_metadata_expanded_key::<RustCrypto>(&legacy_metadata_key))
                 },
-                "extended_adv_salt_hkdf": {
-                    "adv_salt": hex::encode_upper(adv_salt_bytes),
-                    "derived_salt_no_section_no_de": hex::encode_upper(extended_adv_salt.derive::<16>(None, None).unwrap()),
+                "extended_section_salt_hkdf": {
+                    "section_salt": hex::encode_upper(adv_salt_bytes),
                     // 0-based offsets -> 1-based indexing
-                    "derived_salt_first_section_no_de": hex::encode_upper(extended_adv_salt.derive::<16>(Some(0.into()), None).unwrap()),
-                    "derived_salt_first_section_first_de": hex::encode_upper(extended_adv_salt.derive::<16>(Some(0.into()), Some(0.into())).unwrap()),
-                    "derived_salt_first_section_third_de": hex::encode_upper(extended_adv_salt.derive::<16>(Some(0.into()), Some(2.into())).unwrap()),
+                    "derived_salt_first_section_no_de": hex::encode_upper(extended_adv_salt.derive::<16>(None).unwrap()),
+                    "derived_salt_first_section_first_de": hex::encode_upper(extended_adv_salt.derive::<16>(Some(0.into())).unwrap()),
+                    "derived_salt_first_section_third_de": hex::encode_upper(extended_adv_salt.derive::<16>(Some(2.into())).unwrap()),
                 }
             }));
     }
diff --git a/nearby/presence/rand_ext/Cargo.toml b/nearby/presence/rand_ext/Cargo.toml
index b1414ae..bbdb5af 100644
--- a/nearby/presence/rand_ext/Cargo.toml
+++ b/nearby/presence/rand_ext/Cargo.toml
@@ -5,6 +5,7 @@ edition.workspace = true
 publish.workspace = true
 
 [dependencies]
+crypto_provider.workspace = true
 log.workspace = true
 rand = { workspace = true, features = ["std", "std_rng"] }
 rand_pcg.workspace = true
diff --git a/nearby/presence/rand_ext/src/lib.rs b/nearby/presence/rand_ext/src/lib.rs
index 8f93aac..9819c6b 100644
--- a/nearby/presence/rand_ext/src/lib.rs
+++ b/nearby/presence/rand_ext/src/lib.rs
@@ -20,19 +20,34 @@
 extern crate alloc;
 
 use alloc::vec::Vec;
+use crypto_provider::{CryptoProvider, CryptoRng};
 use log::info;
 pub use rand;
-use rand::{Rng as _, SeedableRng as _};
+use rand::{Rng as _, SeedableRng};
 
-/// Returns a random vec with the provided length.
-pub fn random_vec<R: rand::Rng>(rng: &mut R, len: usize) -> Vec<u8> {
+/// Returns a random Vec with the provided length.
+pub fn random_vec<C: CryptoProvider>(rng: &mut C::CryptoRng, len: usize) -> Vec<u8> {
     let mut bytes = Vec::<u8>::new();
-    bytes.extend((0..len).into_iter().map(|_| rng.gen::<u8>()));
+    bytes.extend((0..len).map(|_| rng.gen::<u8>()));
     bytes
 }
 
 /// Returns a random array with the provided length.
-pub fn random_bytes<const B: usize, R: rand::Rng>(rng: &mut R) -> [u8; B] {
+pub fn random_bytes<const B: usize, C: CryptoProvider>(rng: &mut C::CryptoRng) -> [u8; B] {
+    let mut bytes = [0; B];
+    rng.fill(bytes.as_mut_slice());
+    bytes
+}
+
+/// Uses a RustCrypto Rng to return a random Vec with the provided length
+pub fn random_vec_rc<R: rand::Rng>(rng: &mut R, len: usize) -> Vec<u8> {
+    let mut bytes = Vec::<u8>::new();
+    bytes.extend((0..len).map(|_| rng.gen::<u8>()));
+    bytes
+}
+
+/// Uses a RustCrypto Rng to return random bytes with the provided length
+pub fn random_bytes_rc<const B: usize, R: rand::Rng>(rng: &mut R) -> [u8; B] {
     let mut bytes = [0; B];
     rng.fill(bytes.as_mut_slice());
     bytes
diff --git a/nearby/presence/test_helper/src/lib.rs b/nearby/presence/test_helper/src/lib.rs
index fc43fb5..ecb54c9 100644
--- a/nearby/presence/test_helper/src/lib.rs
+++ b/nearby/presence/test_helper/src/lib.rs
@@ -16,19 +16,9 @@
 
 //! Helper crate for common functions used in testing
 
-#[cfg(blaze)]
-extern crate runfiles;
-
-#[cfg(blaze)]
-pub fn get_data_file(file: &str) -> std::path::PathBuf {
-    let r = runfiles::Runfiles::create().unwrap();
-    r.rlocation("google3/third_party/nearby_rust/".to_owned() + file)
-}
-
 use std::fs;
 use std::io::Read;
 
-#[cfg(not(blaze))]
 /// Returns data file path for specific build system. Input is the path to the file relative to the
 /// workspace root dir
 pub fn get_data_file(file: &str) -> std::path::PathBuf {
@@ -37,13 +27,20 @@ pub fn get_data_file(file: &str) -> std::path::PathBuf {
     full_path
 }
 
-/// Opens a json file at the specified path and parses it into a value
-pub fn parse_json_data_file(file: &str) -> serde_json::Value {
+/// Opens a file at the specified path (relative to the workspace root)
+/// and yields its contents as a string
+pub fn load_data_file_contents_as_string(file: &str) -> String {
     let full_path = get_data_file(file);
     let mut file = fs::File::open(full_path).expect("Should be able to open data file");
     let mut data = String::new();
     file.read_to_string(&mut data)
         .expect("should be able to read data file");
+    data
+}
+
+/// Opens a json file at the specified path and parses it into a value
+pub fn parse_json_data_file(file: &str) -> serde_json::Value {
+    let data = load_data_file_contents_as_string(file);
     serde_json::de::from_str(data.as_str()).expect("should be able to parse json date file")
 }
 
diff --git a/nearby/presence/xts_aes/fuzz/Cargo.lock b/nearby/presence/xts_aes/fuzz/Cargo.lock
index 59a461a..2bdaef3 100644
--- a/nearby/presence/xts_aes/fuzz/Cargo.lock
+++ b/nearby/presence/xts_aes/fuzz/Cargo.lock
@@ -3,6 +3,17 @@
 version = 3
 
 [[package]]
+name = "aead"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c192eb8f11fc081b0fe4259ba5af04217d4e0faddd02417310a927911abd7c8"
+dependencies = [
+ "bytes",
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
 name = "aes"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -14,10 +25,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "aes-gcm-siv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0784134ba9375416d469ec31e7c5f9fa94405049cf08c5ce5b4698be673e0d"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "polyval",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
 name = "arbitrary"
-version = "1.1.7"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d86fd10d912cab78764cc44307d9cd5f164e09abbeb87fb19fb6d95937e8da5f"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 dependencies = [
  "derive_arbitrary",
 ]
@@ -28,24 +54,15 @@ version = "0.1.0"
 
 [[package]]
 name = "base16ct"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
-
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array",
-]
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
 name = "block-buffer"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
 dependencies = [
  "generic-array",
 ]
@@ -60,10 +77,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "byteorder"
-version = "1.4.3"
+name = "bytes"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "cbc"
@@ -76,9 +93,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.73"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 dependencies = [
  "jobserver",
 ]
@@ -91,9 +108,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "cipher"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
  "crypto-common",
  "inout",
@@ -101,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "const-oid"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b"
+checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
 [[package]]
 name = "cpufeatures"
@@ -116,12 +133,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.4.9"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
+checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -133,32 +150,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
 [[package]]
 name = "crypto_provider"
 version = "0.1.0"
-dependencies = [
- "rand 0.8.5",
-]
 
 [[package]]
 name = "crypto_provider_rustcrypto"
 version = "0.1.0"
 dependencies = [
+ "aead",
  "aes",
+ "aes-gcm-siv",
  "cbc",
+ "cfg-if",
  "crypto_provider",
  "ctr",
  "ed25519-dalek",
  "hkdf",
  "hmac",
  "p256",
- "rand 0.8.5",
- "rand_core_05_adapter",
+ "rand",
+ "rand_chacha",
+ "rand_core",
  "sec1",
- "sha2 0.10.6",
+ "sha2",
  "subtle",
  "x25519-dalek",
 ]
@@ -174,31 +193,33 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "3.2.0"
+version = "4.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+checksum = "03d928d978dbec61a1167414f5ec534f24bea0d7a0d24dd9b6233d3d8223e585"
 dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
+ "cfg-if",
+ "digest",
+ "fiat-crypto",
+ "packed_simd_2",
+ "platforms",
  "subtle",
- "zeroize",
 ]
 
 [[package]]
 name = "der"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
+checksum = "bc906908ea6458456e5eaa160a9c08543ec3d1e6f71e2235cedd660cb65f9df0"
 dependencies = [
  "const-oid",
+ "zeroize",
 ]
 
 [[package]]
 name = "derive_arbitrary"
-version = "1.1.6"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "226ad66541d865d7a7173ad6a9e691c33fdb910ac723f4bc734b3e5294a1f931"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -207,62 +228,50 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "digest"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer 0.10.3",
+ "block-buffer",
  "crypto-common",
  "subtle",
 ]
 
 [[package]]
 name = "ed25519"
-version = "1.5.3"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+checksum = "5fb04eee5d9d907f29e80ee6b0e78f7e2c82342c63e3580d8c4f69d9d5aad963"
 dependencies = [
  "signature",
 ]
 
 [[package]]
 name = "ed25519-dalek"
-version = "1.0.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+checksum = "798f704d128510932661a3489b08e3f4c934a01d61c5def59ae7b8e48f19665a"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand 0.7.3",
- "serde",
- "sha2 0.9.9",
- "zeroize",
+ "rand_core",
+ "sha2",
 ]
 
 [[package]]
 name = "elliptic-curve"
-version = "0.12.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
+checksum = "6ea5a92946e8614bb585254898bb7dd1ddad241ace60c52149e3765e34cc039d"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "der",
- "digest 0.10.6",
+ "digest",
  "ff",
  "generic-array",
  "group",
  "hkdf",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -270,15 +279,21 @@ dependencies = [
 
 [[package]]
 name = "ff"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
 [[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
+[[package]]
 name = "generic-array"
 version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -286,17 +301,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "zeroize",
 ]
 
 [[package]]
@@ -307,17 +312,17 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "group"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -336,7 +341,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
@@ -351,9 +356,9 @@ dependencies = [
 
 [[package]]
 name = "jobserver"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
 dependencies = [
  "libc",
 ]
@@ -362,20 +367,20 @@ dependencies = [
 name = "ldt_tbc"
 version = "0.1.0"
 dependencies = [
- "rand 0.8.5",
+ "crypto_provider",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.135"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libfuzzer-sys"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8fff891139ee62800da71b7fd5b508d570b9ad95e614a53c6f453ca08366038"
+checksum = "beb09950ae85a0a94b27676cccf37da5ff13f27076aa1adbc6545dd0d0e1bd4e"
 dependencies = [
  "arbitrary",
  "cc",
@@ -383,10 +388,16 @@ dependencies = [
 ]
 
 [[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
+[[package]]
 name = "once_cell"
-version = "1.15.0"
+version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
+checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "opaque-debug"
@@ -396,15 +407,43 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "p256"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49c124b3cbce43bcbac68c58ec181d98ed6cc7e6d0aa7c3ba97b2563410b0e55"
+checksum = "7270da3e5caa82afd3deb054cc237905853813aea3859544bc082c3fe55b8d47"
 dependencies = [
  "elliptic-curve",
  "primeorder",
 ]
 
 [[package]]
+name = "packed_simd_2"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1914cd452d8fccd6f9db48147b29fd4ae05bea9dc5d9ad578509f72415de282"
+dependencies = [
+ "cfg-if",
+ "libm",
+]
+
+[[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
+[[package]]
+name = "polyval"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef234e08c11dfcb2e56f79fd70f6f2eb7f025c0ce2333e82f4f0518ecad30c6"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -412,63 +451,38 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "primeorder"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54f7131b3dba65a2f414cf5bd25b66d4682e4608610668eae785750ba4c5b2"
+checksum = "7613fdcc0831c10060fa69833ea8fa2caa94b6456f51e25356a885b530a2e3d0"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "ba466839c78239c09faf015484e5cc04860f88242cff4d03eb038f04b4699b73"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc",
-]
-
-[[package]]
-name = "rand"
 version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -478,16 +492,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
+ "rand_core",
 ]
 
 [[package]]
@@ -496,31 +501,14 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.8",
-]
-
-[[package]]
-name = "rand_core_05_adapter"
-version = "0.1.0"
-dependencies = [
- "rand 0.8.5",
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
 name = "sec1"
-version = "0.3.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
 dependencies = [
  "base16ct",
  "der",
@@ -530,25 +518,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.152"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb7d1f0d3021d347a83e556fc4683dea2ea09d87bccdf88ff5c12545d89d5efb"
-
-[[package]]
-name = "sha2"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug",
-]
-
-[[package]]
 name = "sha2"
 version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -556,14 +525,14 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest",
 ]
 
 [[package]]
 name = "signature"
-version = "1.6.4"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
+checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
 
 [[package]]
 name = "subtle"
@@ -573,9 +542,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.102"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcd952facd492f9be3ef0d0b7032a6e442ee9b361d4acc2b1d0c4aaa5f613a1"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -583,34 +552,26 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
-[[package]]
 name = "typenum"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.5"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.4"
+name = "universal-hash"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
 
 [[package]]
 name = "version_check"
@@ -620,25 +581,18 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "x25519-dalek"
-version = "2.0.0-pre.1"
+version = "2.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
+checksum = "fabd6e16dd08033932fc3265ad4510cc2eab24656058a6dcb107ffe274abcc95"
 dependencies = [
  "curve25519-dalek",
- "rand_core 0.6.4",
- "zeroize",
+ "rand_core",
 ]
 
 [[package]]
@@ -648,6 +602,7 @@ dependencies = [
  "arbitrary",
  "crypto_provider",
  "crypto_provider_rustcrypto",
+ "ldt_tbc",
  "libfuzzer-sys",
  "xts_aes",
 ]
@@ -666,18 +621,3 @@ name = "zeroize"
 version = "1.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44bf07cb3e50ea2003396695d58bf46bc9887a1f362260446fad6bc4e79bd36c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
diff --git a/nearby/presence/xts_aes/fuzz/Cargo.toml b/nearby/presence/xts_aes/fuzz/Cargo.toml
index 70b700f..4d00c49 100644
--- a/nearby/presence/xts_aes/fuzz/Cargo.toml
+++ b/nearby/presence/xts_aes/fuzz/Cargo.toml
@@ -21,6 +21,9 @@ path = "../../../crypto/crypto_provider"
 [dependencies.crypto_provider_rustcrypto]
 path = "../../../crypto/crypto_provider_rustcrypto"
 
+[dependencies.ldt_tbc]
+path = "../../../presence/ldt_tbc"
+
 # Prevent this from interfering with workspaces
 [workspace]
 members = ["."]
diff --git a/nearby/presence/xts_aes/fuzz/fuzz_targets/xts_roundtrip.rs b/nearby/presence/xts_aes/fuzz/fuzz_targets/xts_roundtrip.rs
index 91eaa5c..b7133de 100644
--- a/nearby/presence/xts_aes/fuzz/fuzz_targets/xts_roundtrip.rs
+++ b/nearby/presence/xts_aes/fuzz/fuzz_targets/xts_roundtrip.rs
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crypto_provider::CryptoProvider;
 use crypto_provider_rustcrypto::RustCrypto;
+use ldt_tbc::{TweakableBlockCipherDecrypter, TweakableBlockCipherEncrypter};
 use libfuzzer_sys::fuzz_target;
 use xts_aes::*;
 
@@ -24,16 +24,23 @@ fuzz_target!(|data: XtsFuzzInput| {
         return;
     }
 
-    let xts = build_xts_aes::<_, <RustCrypto as CryptoProvider>::Aes128>(
-        &XtsAes128Key::from(&data.key),
-    );
+    let xts_enc =
+        <XtsAes128<RustCrypto> as ldt_tbc::TweakableBlockCipher<16>>::EncryptionCipher::new(
+            &XtsAes128Key::from(&data.key),
+        );
+    let xts_dec =
+        <XtsAes128<RustCrypto> as ldt_tbc::TweakableBlockCipher<16>>::DecryptionCipher::new(
+            &XtsAes128Key::from(&data.key),
+        );
+
     let tweak: Tweak = data.tweak.into();
 
     let mut buffer = data.plaintext.clone();
 
-    xts.encrypt_data_unit(tweak.clone(), &mut buffer[..])
+    xts_enc
+        .encrypt_data_unit(tweak.clone(), &mut buffer[..])
         .unwrap();
-    xts.decrypt_data_unit(tweak, &mut buffer[..]).unwrap();
+    xts_dec.decrypt_data_unit(tweak, &mut buffer[..]).unwrap();
     assert_eq!(data.plaintext, buffer);
 });
 
diff --git a/nearby/presence/xts_aes/src/lib.rs b/nearby/presence/xts_aes/src/lib.rs
index 989705c..1ffa813 100644
--- a/nearby/presence/xts_aes/src/lib.rs
+++ b/nearby/presence/xts_aes/src/lib.rs
@@ -29,29 +29,22 @@
 
 use array_ref::{array_mut_ref, array_ref};
 use core::fmt;
+use core::marker::PhantomData;
+
+use crypto_provider::aes::{Aes, AesCipher, AesDecryptCipher, AesEncryptCipher};
 use crypto_provider::{
-    aes::{Aes, AesKey, BLOCK_SIZE},
+    aes::{AesKey, BLOCK_SIZE},
     CryptoProvider,
 };
 
-use ldt_tbc::{TweakableBlockCipher, TweakableBlockCipherKey};
+use ldt_tbc::{
+    TweakableBlockCipher, TweakableBlockCipherDecrypter, TweakableBlockCipherEncrypter,
+    TweakableBlockCipherKey,
+};
 
 #[cfg(test)]
 mod tweak_tests;
 
-/// Build an [Xts] with the provided [Aes] with separate block cipher keys.
-fn build_xts_aes_separate<A: Aes>(key1: &A::Key, key2: &A::Key) -> Xts<A> {
-    Xts {
-        main_cipher: A::new(key1),
-        tweak_cipher: A::new(key2),
-    }
-}
-
-/// Build an [Xts] with the provided [Aes] and the provided key.
-pub fn build_xts_aes<K: XtsKey, A: Aes<Key = K::BlockCipherKey>>(key: &K) -> Xts<A> {
-    build_xts_aes_separate::<A>(key.key_1(), key.key_2())
-}
-
 /// XTS-AES as per NIST docs
 /// [here](https://luca-giuzzi.unibs.it/corsi/Support/papers-cryptography/1619-2007-NIST-Submission.pdf)
 /// and
@@ -71,25 +64,51 @@ pub fn build_xts_aes<K: XtsKey, A: Aes<Key = K::BlockCipherKey>>(key: &K) -> Xts
 /// the tweak used to encrypt that block.
 ///
 /// There is no support for partial bytes (bit lengths that aren't a multiple of 8).
+pub struct XtsAes<A: Aes<Key = K::BlockCipherKey>, K: XtsKey + TweakableBlockCipherKey> {
+    _marker: PhantomData<A>,
+    _marker2: PhantomData<K>,
+}
+
+impl<A: Aes<Key = K::BlockCipherKey>, K: XtsKey + TweakableBlockCipherKey>
+    TweakableBlockCipher<BLOCK_SIZE> for XtsAes<A, K>
+{
+    type EncryptionCipher = XtsEncrypter<A, K>;
+    type DecryptionCipher = XtsDecrypter<A, K>;
+    type Tweak = Tweak;
+    type Key = K;
+}
+
+/// The XtsAes128 implementation
+pub type XtsAes128<C> = XtsAes<<C as CryptoProvider>::Aes128, XtsAes128Key>;
+
+/// The XtsAes256 implementation
+pub type XtsAes256<C> = XtsAes<<C as CryptoProvider>::Aes256, XtsAes256Key>;
+
+/// Struct which provides Xts Aes Encrypt operations
 #[repr(C)]
-pub struct Xts<A: Aes> {
-    tweak_cipher: A,
-    main_cipher: A,
+pub struct XtsEncrypter<A: Aes<Key = K::BlockCipherKey>, K: XtsKey> {
+    main_encryption_cipher: A::EncryptCipher,
+    tweak_encryption_cipher: A::EncryptCipher,
+    _marker: PhantomData<K>,
 }
 
-type DataUnitPartsResult<'a> = Result<(&'a mut [u8], &'a mut [u8], &'a mut [u8]), XtsError>;
+/// Struct which provides Xts Aes Decrypt operations
+#[repr(C)]
+pub struct XtsDecrypter<A: Aes<Key = K::BlockCipherKey>, K: XtsKey> {
+    main_decryption_cipher: A::DecryptCipher,
+    tweak_encryption_cipher: A::EncryptCipher,
+    _marker: PhantomData<K>,
+}
 
-// We have vetted each instance is used in a context where the slice will
-// always be in range, and the expects are unreachable
 #[allow(clippy::expect_used)]
 #[allow(clippy::indexing_slicing)]
-impl<A: Aes> Xts<A> {
+impl<A: Aes<Key = K::BlockCipherKey>, K: XtsKey> XtsEncrypter<A, K> {
     /// Encrypt a data unit in place, using sequential block numbers for each block.
     /// `data_unit` must be at least [BLOCK_SIZE] bytes, and fewer than
     /// `BLOCK_SIZE * 2^20` bytes.
     pub fn encrypt_data_unit(&self, tweak: Tweak, data_unit: &mut [u8]) -> Result<(), XtsError> {
         let (standalone_blocks, last_complete_block, partial_last_block) =
-            Self::data_unit_parts(data_unit)?;
+            data_unit_parts(data_unit)?;
 
         let mut tweaked_xts = self.tweaked(tweak);
 
@@ -151,12 +170,27 @@ impl<A: Aes> Xts<A> {
         Ok(())
     }
 
+    /// Returns an [XtsTweaked] configured with the specified tweak and a block number of 0.
+    fn tweaked(&self, tweak: Tweak) -> XtsEncrypterTweaked<A> {
+        let mut bytes = tweak.bytes;
+        self.tweak_encryption_cipher.encrypt(&mut bytes);
+
+        XtsEncrypterTweaked {
+            tweak_state: TweakState::new(bytes),
+            enc_cipher: &self.main_encryption_cipher,
+        }
+    }
+}
+
+#[allow(clippy::expect_used)]
+#[allow(clippy::indexing_slicing)]
+impl<A: Aes<Key = K::BlockCipherKey>, K: XtsKey> XtsDecrypter<A, K> {
     /// Decrypt a data unit in place, using sequential block numbers for each block.
     /// `data_unit` must be at least [BLOCK_SIZE] bytes, and fewer than
     /// `BLOCK_SIZE * 2^20` bytes.
     pub fn decrypt_data_unit(&self, tweak: Tweak, data_unit: &mut [u8]) -> Result<(), XtsError> {
         let (standalone_blocks, last_complete_block, partial_last_block) =
-            Self::data_unit_parts(data_unit)?;
+            data_unit_parts(data_unit)?;
 
         let mut tweaked_xts = self.tweaked(tweak);
 
@@ -207,93 +241,80 @@ impl<A: Aes> Xts<A> {
         Ok(())
     }
 
-    /// Returns `(standalone blocks, last complete block, partial last block)`.
-    fn data_unit_parts(data_unit: &mut [u8]) -> DataUnitPartsResult {
-        if data_unit.len() < BLOCK_SIZE {
-            return Err(XtsError::DataTooShort);
-        } else if data_unit.len() > MAX_XTS_SIZE {
-            return Err(XtsError::DataTooLong);
-        }
-        // complete_blocks >= 1
-        let complete_blocks = data_unit.len() / BLOCK_SIZE;
-        // standalone_units >= 0 blocks, suffix = last complete block + possible partial block.
-        let (standalone_blocks, suffix) =
-            data_unit.split_at_mut((complete_blocks - 1) * BLOCK_SIZE);
-        let (last_complete_block, partial_last_block) = suffix.split_at_mut(BLOCK_SIZE);
-        Ok((standalone_blocks, last_complete_block, partial_last_block))
-    }
-
     /// Returns an [XtsTweaked] configured with the specified tweak and a block number of 0.
-    fn tweaked(&self, tweak: Tweak) -> XtsTweaked<A> {
+    fn tweaked(&self, tweak: Tweak) -> XtsDecrypterTweaked<A> {
         let mut bytes = tweak.bytes;
-        self.tweak_cipher.encrypt(&mut bytes);
+        self.tweak_encryption_cipher.encrypt(&mut bytes);
 
-        XtsTweaked {
+        XtsDecrypterTweaked {
             tweak_state: TweakState::new(bytes),
-            cipher: &self.main_cipher,
+            dec_cipher: &self.main_decryption_cipher,
         }
     }
 }
 
-/// Implementation of XTS-AES-128
-pub struct XtsAes128<C: CryptoProvider>(Xts<C::Aes128>);
-impl<C: CryptoProvider> TweakableBlockCipher<BLOCK_SIZE> for XtsAes128<C> {
-    type Tweak = Tweak;
+type DataUnitPartsResult<'a> = Result<(&'a mut [u8], &'a mut [u8], &'a mut [u8]), XtsError>;
 
-    type Key = XtsAes128Key;
+/// Returns `(standalone blocks, last complete block, partial last block)`.
+fn data_unit_parts(data_unit: &mut [u8]) -> DataUnitPartsResult {
+    if data_unit.len() < BLOCK_SIZE {
+        return Err(XtsError::DataTooShort);
+    } else if data_unit.len() > MAX_XTS_SIZE {
+        return Err(XtsError::DataTooLong);
+    }
+    // complete_blocks >= 1
+    let complete_blocks = data_unit.len() / BLOCK_SIZE;
+    // standalone_units >= 0 blocks, suffix = last complete block + possible partial block.
+    let (standalone_blocks, suffix) = data_unit.split_at_mut((complete_blocks - 1) * BLOCK_SIZE);
+    let (last_complete_block, partial_last_block) = suffix.split_at_mut(BLOCK_SIZE);
+    Ok((standalone_blocks, last_complete_block, partial_last_block))
+}
+
+impl<A: Aes<Key = K::BlockCipherKey>, K: XtsKey + TweakableBlockCipherKey>
+    TweakableBlockCipherEncrypter<BLOCK_SIZE> for XtsEncrypter<A, K>
+{
+    type Key = K;
+    type Tweak = Tweak;
 
+    /// Build an [XtsEncrypter] with the provided [Aes] and the provided key.
     fn new(key: &Self::Key) -> Self {
-        Self(build_xts_aes(key))
+        XtsEncrypter {
+            main_encryption_cipher: A::EncryptCipher::new(key.key_1()),
+            tweak_encryption_cipher: A::EncryptCipher::new(key.key_2()),
+            _marker: Default::default(),
+        }
     }
 
     #[allow(clippy::expect_used)]
     fn encrypt(&self, tweak: Self::Tweak, block: &mut [u8; 16]) {
         // we're encrypting precisely one block, so the block number won't advance, and ciphertext
         // stealing will not be applied.
-        self.0
-            .encrypt_data_unit(tweak, block)
-            .expect("One block is a valid size");
-    }
-
-    #[allow(clippy::expect_used)]
-    fn decrypt(&self, tweak: Self::Tweak, block: &mut [u8; 16]) {
-        self.0
-            .decrypt_data_unit(tweak, block)
+        self.encrypt_data_unit(tweak, block)
             .expect("One block is a valid size");
     }
 }
 
-/// Implementation of XTS-AES-256
-pub struct XtsAes256<C: CryptoProvider>(Xts<C::Aes256>);
-impl<C: CryptoProvider> TweakableBlockCipher<BLOCK_SIZE> for XtsAes256<C> {
+impl<A: Aes<Key = K::BlockCipherKey>, K: XtsKey + TweakableBlockCipherKey>
+    TweakableBlockCipherDecrypter<BLOCK_SIZE> for XtsDecrypter<A, K>
+{
+    type Key = K;
     type Tweak = Tweak;
 
-    type Key = XtsAes256Key;
-
-    fn new(key: &Self::Key) -> Self {
-        Self(build_xts_aes(key))
-    }
-
-    #[allow(clippy::expect_used)]
-    fn encrypt(&self, tweak: Self::Tweak, block: &mut [u8; 16]) {
-        // we're encrypting precisely one block, so the block number won't advance, and ciphertext
-        // stealing will not be applied.
-        self.0
-            .encrypt_data_unit(tweak, block)
-            .expect("One block is a valid size");
+    fn new(key: &K) -> Self {
+        XtsDecrypter {
+            main_decryption_cipher: A::DecryptCipher::new(key.key_1()),
+            tweak_encryption_cipher: A::EncryptCipher::new(key.key_2()),
+            _marker: Default::default(),
+        }
     }
 
     #[allow(clippy::expect_used)]
     fn decrypt(&self, tweak: Self::Tweak, block: &mut [u8; 16]) {
-        self.0
-            .decrypt_data_unit(tweak, block)
+        self.decrypt_data_unit(tweak, block)
             .expect("One block is a valid size");
     }
 }
 
-/// XTS spec recommends to not go beyond 2^20 blocks.
-const MAX_XTS_SIZE: usize = (1 << 20) * BLOCK_SIZE;
-
 /// Errors that can occur during XTS encryption/decryption.
 #[derive(Debug, PartialEq, Eq)]
 pub enum XtsError {
@@ -303,6 +324,9 @@ pub enum XtsError {
     DataTooLong,
 }
 
+/// XTS spec recommends to not go beyond 2^20 blocks.
+const MAX_XTS_SIZE: usize = (1 << 20) * BLOCK_SIZE;
+
 /// An XTS key comprised of two keys for the underlying block cipher.
 pub trait XtsKey: for<'a> TryFrom<&'a [u8], Error = Self::TryFromError> {
     /// The key used by the block cipher underlying XTS
@@ -569,12 +593,36 @@ impl TweakState {
 ///
 /// Encryption or decryption is per-block only; ciphertext stealing is not implemented at this
 /// level.
-struct XtsTweaked<'a, A: Aes> {
+struct XtsEncrypterTweaked<'a, A: Aes> {
+    tweak_state: TweakState,
+    enc_cipher: &'a A::EncryptCipher,
+}
+
+impl<'a, A: Aes> XtsEncrypterTweaked<'a, A> {
+    fn advance_to_next_block_num(&mut self) {
+        self.tweak_state
+            .advance_to_block(self.tweak_state.block_num + 1)
+    }
+
+    /// Encrypt a block in place using the configured tweak and current block number.
+    fn encrypt_block(&self, block: &mut crypto_provider::aes::AesBlock) {
+        array_xor(block, &self.tweak_state.tweak);
+        self.enc_cipher.encrypt(block);
+        array_xor(block, &self.tweak_state.tweak);
+    }
+}
+
+/// An XTS-AES cipher configured with an initial tweak that can be advanced through the block
+/// numbers for that tweak's data unit.
+///
+/// Encryption or decryption is per-block only; ciphertext stealing is not implemented at this
+/// level.
+struct XtsDecrypterTweaked<'a, A: Aes> {
     tweak_state: TweakState,
-    cipher: &'a A,
+    dec_cipher: &'a A::DecryptCipher,
 }
 
-impl<'a, A: Aes> XtsTweaked<'a, A> {
+impl<'a, A: Aes> XtsDecrypterTweaked<'a, A> {
     fn advance_to_next_block_num(&mut self) {
         self.tweak_state
             .advance_to_block(self.tweak_state.block_num + 1)
@@ -589,19 +637,11 @@ impl<'a, A: Aes> XtsTweaked<'a, A> {
     fn set_tweak(&mut self, tweak_state: TweakState) {
         self.tweak_state = tweak_state;
     }
-
-    /// Encrypt a block in place using the configured tweak and current block number.
-    fn encrypt_block(&self, block: &mut crypto_provider::aes::AesBlock) {
-        array_xor(block, &self.tweak_state.tweak);
-        self.cipher.encrypt(block);
-        array_xor(block, &self.tweak_state.tweak);
-    }
-
     fn decrypt_block(&self, block: &mut crypto_provider::aes::AesBlock) {
         // CC = C ^ T
         array_xor(block, &self.tweak_state.tweak);
         // PP = decrypt CC
-        self.cipher.decrypt(block);
+        self.dec_cipher.decrypt(block);
         // P = PP ^ T
         array_xor(block, &self.tweak_state.tweak);
     }
diff --git a/nearby/presence/xts_aes/tests/xts_nist_test_vectors.rs b/nearby/presence/xts_aes/tests/xts_nist_test_vectors.rs
index 42f1db4..05eca0d 100644
--- a/nearby/presence/xts_aes/tests/xts_nist_test_vectors.rs
+++ b/nearby/presence/xts_aes/tests/xts_nist_test_vectors.rs
@@ -17,8 +17,11 @@ extern crate core;
 use anyhow::anyhow;
 use crypto_provider::CryptoProvider;
 use crypto_provider_rustcrypto::RustCrypto;
+use ldt_tbc::TweakableBlockCipherDecrypter;
+use ldt_tbc::TweakableBlockCipherEncrypter;
+use ldt_tbc::TweakableBlockCipherKey;
 use std::{collections::hash_map, fs, io, io::BufRead as _};
-use xts_aes::{self, build_xts_aes, XtsAes128Key, XtsAes256Key, XtsKey};
+use xts_aes::{self, XtsAes128Key, XtsAes256Key, XtsDecrypter, XtsEncrypter, XtsKey};
 
 #[test]
 fn nist_test_vectors_data_unit_seq_128() -> Result<(), anyhow::Error> {
@@ -55,7 +58,7 @@ fn nist_test_vectors_hex_tweak_256() -> Result<(), anyhow::Error> {
 
 fn run_test_cases<K, A>(path: &str, expected_num_cases: usize) -> Result<(), anyhow::Error>
 where
-    K: XtsKey,
+    K: XtsKey + TweakableBlockCipherKey,
     A: crypto_provider::aes::Aes<Key = K::BlockCipherKey>,
 {
     let test_cases = parse_test_vector(path)?;
@@ -65,24 +68,32 @@ where
     for tc in test_cases {
         buf.clear();
 
-        let xts = build_xts_aes::<_, A>(&K::try_from(tc.key.as_slice()).unwrap());
+        let xts_enc = XtsEncrypter::<A, _>::new(&K::try_from(tc.key.as_slice()).unwrap());
+        let xts_dec = XtsDecrypter::<A, _>::new(&K::try_from(tc.key.as_slice()).unwrap());
 
         match tc.test_type {
             TestType::Encrypt => {
                 buf.extend_from_slice(&tc.plaintext);
-                xts.encrypt_data_unit(tc.tweak.clone(), &mut buf).unwrap();
-                assert_eq!(tc.ciphertext, buf, "count {}", tc.count);
+                xts_enc
+                    .encrypt_data_unit(tc.tweak.clone(), &mut buf)
+                    .unwrap();
 
                 // check decryption too just for fun
-                xts.decrypt_data_unit(tc.tweak.clone(), &mut buf).unwrap();
+                xts_dec
+                    .decrypt_data_unit(tc.tweak.clone(), &mut buf)
+                    .unwrap();
                 assert_eq!(tc.plaintext, buf, "count {}", tc.count);
             }
             TestType::Decrypt => {
                 buf.extend_from_slice(&tc.ciphertext);
-                xts.decrypt_data_unit(tc.tweak.clone(), &mut buf).unwrap();
+                xts_dec
+                    .decrypt_data_unit(tc.tweak.clone(), &mut buf)
+                    .unwrap();
                 assert_eq!(tc.plaintext, buf, "count {}", tc.count);
 
-                xts.encrypt_data_unit(tc.tweak.clone(), &mut buf).unwrap();
+                xts_enc
+                    .encrypt_data_unit(tc.tweak.clone(), &mut buf)
+                    .unwrap();
                 assert_eq!(tc.ciphertext, buf, "count {}", tc.count);
             }
         }
diff --git a/nearby/presence/xts_aes/tests/xts_roundtrip.rs b/nearby/presence/xts_aes/tests/xts_roundtrip_tests.rs
index 19ea79e..042b62e 100644
--- a/nearby/presence/xts_aes/tests/xts_roundtrip.rs
+++ b/nearby/presence/xts_aes/tests/xts_roundtrip_tests.rs
@@ -13,11 +13,15 @@
 // limitations under the License.
 
 use aes::{cipher, cipher::KeyInit as _};
-use crypto_provider::{aes::*, CryptoProvider};
-use crypto_provider_rustcrypto::RustCrypto;
+use alloc::vec::Vec;
+use crypto_provider::aes::*;
+use crypto_provider_rustcrypto::aes::{Aes128, Aes256};
+use ldt_tbc::TweakableBlockCipherDecrypter;
+use ldt_tbc::TweakableBlockCipherEncrypter;
 use rand::{self, distributions, Rng as _};
 use rand_ext::seeded_rng;
-use xts_aes::*;
+use xts_aes::{Tweak, XtsAes128Key, XtsAes256Key, XtsDecrypter, XtsEncrypter, XtsKey};
+extern crate alloc;
 
 #[test]
 fn roundtrip_self() {
@@ -27,41 +31,40 @@ fn roundtrip_self() {
             let mut key = [0_u8; 32];
             rng.fill(&mut key);
             do_roundtrip(
-                build_xts_aes::<_, <RustCrypto as CryptoProvider>::Aes128>(&XtsAes128Key::from(
-                    &key,
-                )),
+                XtsEncrypter::<Aes128, _>::new(&XtsAes128Key::from(&key)),
+                XtsDecrypter::<Aes128, _>::new(&XtsAes128Key::from(&key)),
                 &mut rng,
             )
         } else {
             let mut key = [0_u8; 64];
             rng.fill(&mut key);
             do_roundtrip(
-                build_xts_aes::<_, <RustCrypto as CryptoProvider>::Aes256>(&XtsAes256Key::from(
-                    &key,
-                )),
+                XtsEncrypter::<Aes256, _>::new(&XtsAes256Key::from(&key)),
+                XtsDecrypter::<Aes256, _>::new(&XtsAes256Key::from(&key)),
                 &mut rng,
             )
         };
     }
 
-    fn do_roundtrip<A: Aes, R: rand::Rng>(xts: Xts<A>, rng: &mut R) {
+    fn do_roundtrip<A: Aes<Key = K::BlockCipherKey>, K: XtsKey, R: rand::Rng>(
+        xts_enc: XtsEncrypter<A, K>,
+        xts_dec: XtsDecrypter<A, K>,
+        rng: &mut R,
+    ) {
         let plaintext_len_range = distributions::Uniform::new_inclusive(BLOCK_SIZE, BLOCK_SIZE * 4);
         let mut plaintext = Vec::<u8>::new();
-        plaintext.extend(
-            (0..rng.sample(plaintext_len_range))
-                .into_iter()
-                .map(|_| rng.gen::<u8>()),
-        );
+        plaintext.extend((0..rng.sample(plaintext_len_range)).map(|_| rng.gen::<u8>()));
 
         let mut ciphertext = plaintext.clone();
         let tweak: Tweak = rng.gen::<u128>().into();
-        xts.encrypt_data_unit(tweak.clone(), &mut ciphertext)
+        xts_enc
+            .encrypt_data_unit(tweak.clone(), &mut ciphertext)
             .unwrap();
 
         assert_eq!(plaintext.len(), ciphertext.len());
         assert_ne!(plaintext, ciphertext);
 
-        xts.decrypt_data_unit(tweak, &mut ciphertext).unwrap();
+        xts_dec.decrypt_data_unit(tweak, &mut ciphertext).unwrap();
         assert_eq!(plaintext, ciphertext);
     }
 }
@@ -78,9 +81,8 @@ fn identical_to_xtsmode_crate() {
         if rng.gen() {
             let mut key = [0; 32];
             rng.fill(&mut key);
-            let xts = build_xts_aes::<_, <RustCrypto as CryptoProvider>::Aes128>(
-                &XtsAes128Key::from(&key),
-            );
+            let xts_enc = XtsEncrypter::<Aes128, _>::new(&XtsAes128Key::from(&key));
+            let xts_dec = XtsDecrypter::<Aes128, _>::new(&XtsAes128Key::from(&key));
 
             let primary_cipher =
                 aes::Aes128::new(cipher::generic_array::GenericArray::from_slice(&key[0..16]));
@@ -88,13 +90,12 @@ fn identical_to_xtsmode_crate() {
                 aes::Aes128::new(cipher::generic_array::GenericArray::from_slice(&key[16..]));
             let other_xts = xts_mode::Xts128::new(primary_cipher, tweak_cipher);
 
-            do_roundtrip(xts, other_xts, &mut rng)
+            do_roundtrip(xts_enc, xts_dec, other_xts, &mut rng)
         } else {
             let mut key = [0; 64];
             rng.fill(&mut key);
-            let xts = build_xts_aes::<_, <RustCrypto as CryptoProvider>::Aes256>(
-                &XtsAes256Key::from(&key),
-            );
+            let xts_enc = XtsEncrypter::<Aes256, _>::new(&XtsAes256Key::from(&key));
+            let xts_dec = XtsDecrypter::<Aes256, _>::new(&XtsAes256Key::from(&key));
 
             let primary_cipher =
                 aes::Aes256::new(cipher::generic_array::GenericArray::from_slice(&key[0..32]));
@@ -102,32 +103,31 @@ fn identical_to_xtsmode_crate() {
                 aes::Aes256::new(cipher::generic_array::GenericArray::from_slice(&key[32..]));
             let other_xts = xts_mode::Xts128::new(primary_cipher, tweak_cipher);
 
-            do_roundtrip(xts, other_xts, &mut rng)
+            do_roundtrip(xts_enc, xts_dec, other_xts, &mut rng)
         };
     }
 
     fn do_roundtrip<
-        A: Aes,
+        A: Aes<Key = K::BlockCipherKey>,
+        K: XtsKey,
         C: cipher::BlockEncrypt + cipher::BlockDecrypt + cipher::BlockCipher,
         R: rand::Rng,
     >(
-        xts: Xts<A>,
+        xts_enc: XtsEncrypter<A, K>,
+        xts_dec: XtsDecrypter<A, K>,
         other_xts: xts_mode::Xts128<C>,
         rng: &mut R,
     ) {
         // 1-3 blocks
         let plaintext_len_range = distributions::Uniform::new_inclusive(BLOCK_SIZE, BLOCK_SIZE * 4);
         let mut plaintext = Vec::<u8>::new();
-        plaintext.extend(
-            (0..rng.sample(plaintext_len_range))
-                .into_iter()
-                .map(|_| rng.gen::<u8>()),
-        );
+        plaintext.extend((0..rng.sample(plaintext_len_range)).map(|_| rng.gen::<u8>()));
 
         // encrypt with our impl
         let mut ciphertext = plaintext.clone();
         let tweak: Tweak = rng.gen::<u128>().into();
-        xts.encrypt_data_unit(tweak.clone(), &mut ciphertext)
+        xts_enc
+            .encrypt_data_unit(tweak.clone(), &mut ciphertext)
             .unwrap();
 
         // encrypt with the other impl
@@ -138,7 +138,7 @@ fn identical_to_xtsmode_crate() {
         assert_eq!(ciphertext, other_ciphertext);
 
         // decrypt ciphertext in place
-        xts.decrypt_data_unit(tweak, &mut ciphertext).unwrap();
+        xts_dec.decrypt_data_unit(tweak, &mut ciphertext).unwrap();
         assert_eq!(plaintext, ciphertext);
 
         // and with the other impl
diff --git a/nearby/scripts/build-fuzzers.sh b/nearby/scripts/build-fuzzers.sh
deleted file mode 100755
index a7baeb7..0000000
--- a/nearby/scripts/build-fuzzers.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-# Copyright 2022 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -ex
-
-# Build all fuzz targets
-
-project_dir=$(dirname "$0")/..
-
-# rust fuzzers
-for fuzzed_crate in presence/xts_aes presence/ldt presence/ldt_np_adv connections/ukey2/ukey2_connections; do
-  ( cd "$project_dir/$fuzzed_crate" && cargo +nightly fuzz build )
-done
-
-# ffi fuzzers
-rm -Rf $project_dir/presence/ldt_np_adv_ffi_fuzz/cmake-build
-(cd $project_dir/presence/ldt_np_adv_ffi_fuzz && mkdir -p cmake-build && cd cmake-build && cmake ../.. && make)
-rm -Rf $project_dir/presence/ldt_np_adv_ffi_fuzz/cmake-build
diff --git a/nearby/scripts/build-script.sh b/nearby/scripts/build-script.sh
new file mode 100755
index 0000000..f559167
--- /dev/null
+++ b/nearby/scripts/build-script.sh
@@ -0,0 +1,246 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script contains common functions which can be used to help when building
+# specific components of the beto-rust repo. To load these into your environment
+# run `source ./scripts/build-script.sh` Then run the functions from root
+# This can also be sourced to help when writing further build scripts
+
+export SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+# Use to generate headers for new source code files
+gen_headers() {
+  set -e
+  $HOME/go/bin/addlicense -c "Google LLC" -l apache -ignore=**/android/build/** -ignore=target/** -ignore=**/target/** -ignore=".idea/*" -ignore=**/cmake-build/** -ignore="**/java/build/**" .
+}
+
+# Checks the workspace 3rd party crates and makes sure they have a valid license
+check_crate_licenses(){
+    set -e
+    cd $SCRIPT_DIR/..
+    cargo deny --workspace check
+}
+
+# Checks everything in beto-rust
+check_everything(){
+  set -e
+  cd $SCRIPT_DIR/..
+  check_license_headers
+  check_workspace
+  check_boringssl
+  check_ldt_ffi
+  build_fuzzers
+}
+
+# Checks everything included in the top level workspace
+check_workspace(){
+  set -e
+  cd $SCRIPT_DIR/..
+  # ensure formatting is correct (Check for it first because it is fast compared to running tests)
+  cargo fmt --check
+  # make sure everything compiles
+  cargo check --workspace --all-targets
+  # run all the tests
+  cargo test --workspace --quiet
+  # ensure the docs are valid (cross-references to other code, etc)
+  cargo doc --workspace --no-deps
+  cargo clippy --all-targets
+  cargo deny --workspace check
+  # Check the build for targets without using RustCrypto dependencies
+  cargo check --features=openssl --no-default-features
+}
+
+# Checks that the license auditing tool is installed and that all source files in the project contain the needed headers
+check_license_headers() {
+  set -e
+  cd $SCRIPT_DIR/..
+  # install location for those following the default instructions
+  ADDLICENSE="$HOME/go/bin/addlicense"
+  if [ ! -x "$ADDLICENSE" ]; then
+    # if not in the default place, assume it's in PATH
+    ADDLICENSE="addlicense"
+  fi
+
+  # see README for instructions on setting up addlicense tool
+  if ($ADDLICENSE -h >/dev/null 2>&1); then
+    echo "Add license is already installed"
+  else
+    echo "ERROR: addlicense tool is not installed, see instructions in README"
+    exit 1
+  fi
+
+  if $ADDLICENSE -check \
+      -ignore="**/android/build/**" \
+      -ignore="target/**" \
+      -ignore="**/target/**" \
+      -ignore="**/.idea/**" \
+      -ignore="**/cmake-build/**" \
+      -ignore="**/java/build/**" \
+      -ignore="**/java/*/build/**" \
+      .; then
+    echo "License header check succeeded!"
+  else
+    echo "ERROR: License header missing for above files"
+    exit 1
+  fi
+}
+
+# Build all fuzz targets
+build_fuzzers() {
+  set -e
+  cd $SCRIPT_DIR/..
+  # rust fuzzers
+  for fuzzed_crate in presence/xts_aes presence/ldt presence/ldt_np_adv connections/ukey2/ukey2_connections; do
+    (cd "$fuzzed_crate" && cargo +nightly fuzz build)
+  done
+
+  # ffi fuzzers
+  rm -Rf presence/ldt_np_adv_ffi_fuzz/cmake-build
+  (cd presence/ldt_np_adv_ffi_fuzz && mkdir -p cmake-build && cd cmake-build && cmake ../.. -DENABLE_FUZZ=true && make)
+  rm -Rf presence/ldt_np_adv_ffi_fuzz/cmake-build
+}
+
+# Builds and runs all tests for all combinations of features for the LDT FFI
+check_ldt_ffi() {
+  set -e
+  cd $SCRIPT_DIR/..
+  # We need to handle ldt_np_adv_ffi separately since it requires the nightly toolchain
+  cd presence/ldt_np_adv_ffi
+  cargo fmt --check
+  cargo check
+  # Default build, RustCrypto + no_std
+  cargo build --release
+  # Turn on std, still using RustCrypto
+  cargo build --features=std
+  # Turn off default features and try to build with std
+  cargo build --no-default-features --features=std
+  # Turn off RustCrypto and use openssl
+  cargo build --no-default-features --features=openssl
+  # Turn off RustCrypto and use boringssl
+  cargo build --no-default-features --features=boringssl
+  cargo doc --no-deps
+  cargo clippy --release
+  cargo clippy --features=std
+  cargo clippy --no-default-features --features=openssl
+  cargo clippy --no-default-features --features=boringssl
+  cargo clippy --no-default-features --features=std
+  cargo deny check
+  cd ../
+
+  # build C/C++ samples, tests, and benches
+  mkdir -p cmake-build && cd cmake-build
+  cmake .. -DENABLE_TESTS=true
+  make
+
+  # test with default build settings (rustcrypto, no_std)
+  echo "Testing default features (no_std + rustcrypto)"
+  (cd ../ldt_np_adv_ffi && cargo build --release)
+  (cd ldt_np_c_sample/tests && ctest)
+
+  # test with std
+  echo "Testing std feature flag"
+  (cd ../ldt_np_adv_ffi && cargo build --features std --release)
+  (cd ldt_np_c_sample/tests && make && ctest)
+
+  # test with boringssl crypto feature flag
+  echo "Testing boringssl"
+  (cd ../ldt_np_adv_ffi && cargo build --no-default-features --features boringssl --release)
+  (cd ldt_np_c_sample/tests && make && ctest)
+
+  # test with openssl feature flag
+  echo "Testing openssl"
+  (cd ../ldt_np_adv_ffi && cargo build --no-default-features --features openssl --release)
+  (cd ldt_np_c_sample/tests && make && ctest)
+
+  # test with std feature flag
+  echo "Testing std with no default features"
+  (cd ../ldt_np_adv_ffi && cargo build --no-default-features --features std --release)
+  (cd ldt_np_c_sample/tests && make && ctest)
+  cd ../
+}
+
+# Clones boringssl and uses bindgen to generate the rust crate, applies AOSP
+# specific patches to the 3p `openssl` crate so that it can use a bssl backend
+prepare_boringssl() {
+  set -e
+  cd $SCRIPT_DIR/../..
+  projectroot=$PWD
+  mkdir -p boringssl-build && cd boringssl-build
+
+  if ! git -C boringssl pull origin master; then
+    git clone https://boringssl.googlesource.com/boringssl
+  fi
+  cd boringssl && mkdir -p build && cd build
+  target=$(rustc -vV | awk '/host/ { print $2 }')
+  cmake -G Ninja .. -DRUST_BINDINGS="$target" && ninja
+  # A valid Rust crate is built under `boringssl-build/boringssl/build/rust/bssl-sys`
+
+  cd $projectroot/boringssl-build
+  rm -Rf rust-openssl
+  git clone https://github.com/sfackler/rust-openssl.git
+  git -C rust-openssl checkout 11797d9ecb73e94b7f55a49274318abc9dc074d2
+  git -C rust-openssl branch -f BASE_COMMIT
+  git -C rust-openssl am $projectroot/nearby/scripts/openssl-patches/*.patch
+
+  cd $projectroot/nearby
+
+  cat <<'EOF' >&2
+==========
+Preparation complete. The required repositories are downloaded to `beto-rust/boringssl-build`. If
+you need to go back to a clean state, you can remove that directory and rerun this script.
+
+You can now build and test with boringssl using the following command
+  `cargo --config .cargo/config-boringssl.toml test -p crypto_provider* --features=boringssl,std`
+==========
+EOF
+  echo
+}
+
+# Checks the build and tests for all boringssl related deps
+# crypto_provider_openssl is used on AOSP
+# crypto_provider_boringssl is used on Chromium
+# And we want to verify that both of these are tested in our own repo
+check_boringssl() {
+  set -e
+  cd $SCRIPT_DIR/../..
+  # clones boringssl and uses bindgen to generate the sys bindings
+  prepare_boringssl
+
+  # test the openssl crate with the boringssl feature
+  cargo --config .cargo/config-boringssl.toml test -p crypto_provider_openssl --features=boringssl
+
+  # test the crypto_provider built on the new bssl crate
+  cd crypto/crypto_provider_boringssl
+  cargo check
+  cargo fmt --check
+  cargo clippy --all-targets
+  cargo test
+  cargo doc --no-deps
+  cd ../../
+}
+
+# Helper for setting up dependencies on the build machine
+setup_kokoro_macos () {
+  set -e
+  go install github.com/google/addlicense@latest
+  curl https://sh.rustup.rs -sSf | sh -s -- -y --no-modify-path --default-toolchain 1.68.0
+  cargo install --locked cargo-deny --color never 2>&1
+  source "$HOME/.cargo/env"
+  rustup install nightly
+  brew install rapidjson google-benchmark ninja bindgen
+
+  # Unfortunately CMake is not smart enough to find this on its own, even though
+  # it is in fact there by default on the build machines
+  export OPENSSL_ROOT_DIR="/usr/local/opt/openssl@3"
+}
diff --git a/nearby/scripts/check-everything.sh b/nearby/scripts/check-everything.sh
index 4e9a597..eda6d17 100755
--- a/nearby/scripts/check-everything.sh
+++ b/nearby/scripts/check-everything.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyright 2022 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,74 +14,8 @@
 # limitations under the License.
 
 set -ex
-
 cd "$(dirname "$0")"/..
 
-# see README for instructions on setting up addlicense tool
-if ($HOME/go/bin/addlicense -h >/dev/null 2>&1) ; then
-    echo "Add license is already installed"
-else
-    echo "ERROR: addlicense tool is not installed, see instructions in README"
-    exit
-fi
-
-if $HOME/go/bin/addlicense -check -ignore=target/** -ignore=**/target/** -ignore=".idea/*" -ignore=**/cmake-build/** -ignore="**/java/build/**" . ; then
-    echo "License header check succeeded!"
-else
-    echo "ERROR: License header missing for above files"
-    exit
-fi
-
-# ensure formatting is correct (Check for it first because it is fast compared to running tests)
-cargo fmt --check
-
-# make sure everything compiles
-cargo check --workspace --all-targets
-
-# run all the tests
-cargo test --workspace --quiet
-
-# ensure the docs are valid (cross-references to other code, etc)
-cargo doc --workspace --no-deps
-
-cargo clippy --all-targets
-
-cargo deny --workspace check
-
-# Check the build for targets without using RustCrypto dependencies
-cargo check --features=openssl --no-default-features
-
-# We need to handle ldt_np_adv_ffi separately since it requires the nightly toolchain
-cd presence/ldt_np_adv_ffi
-cargo fmt --check
-cargo check
-cargo build --release
-cargo test --quiet
-cargo doc --no-deps
-cargo clippy --all-targets
-cargo deny check
-cd ..
-
-# build C/C++ samples, tests, and benches
-mkdir -p cmake-build && cd cmake-build
-cmake .. -DENABLE_TESTS=true
-make
-
-# test with default build settings (rustcrypto, no_std)
-(cd ldt_np_c_sample/tests && ctest)
-
-# test with openssl crypto feature flag
-(cd ../ldt_np_adv_ffi && cargo build --features openssl --release)
-(cd ldt_np_c_sample/tests && make && ctest)
-
-# test with std feature flag
-(cd ../ldt_np_adv_ffi && cargo build --features std --release)
-(cd ldt_np_c_sample/tests && make && ctest)
-
-# back to cargo workspace root
-cd ../..
-
-"./scripts/build-fuzzers.sh"
+source ./scripts/build-script.sh
 
-"./scripts/prepare-boringssl.sh"
-cargo --config .cargo/config-boringssl.toml test --all-targets --features=boringssl
+check_everything
diff --git a/nearby/scripts/prepare-boringssl.sh b/nearby/scripts/prepare-boringssl.sh
deleted file mode 100755
index e0385a4..0000000
--- a/nearby/scripts/prepare-boringssl.sh
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/sh
-# Copyright 2022 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Run this script to prepare the workspace for testing against BoringSSL.
-# If you don't, you'll see the following error when trying to build:
-# ```
-# $ cargo test --features=boringssl
-# error: This is a placeholder package not intended for use - see README.md
-#  --> ~/.cargo/registry/src/github.com-1ecc6299db9ec823/bssl-sys-0.1.0/src/lib.rs:1:1
-#   |
-# 1 | compile_error!("This is a placeholder package not intended for use - see README.md");
-#   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-# ```
-
-
-set -ex
-
-cd "$(dirname "$0")"/../..
-projectroot=$PWD
-
-
-mkdir -p boringssl-build && cd boringssl-build
-
-if ! git -C boringssl pull origin master; then
-  git clone https://boringssl.googlesource.com/boringssl
-fi
-cd boringssl && mkdir -p build && cd build
-cmake -G Ninja .. -DRUST_BINDINGS="$(gcc -dumpmachine)" && ninja
-# A valid Rust crate is built under `boringssl-build/boringssl/build/rust`
-
-cd $projectroot/boringssl-build
-if ! git -C rust-openssl pull origin master; then
-  git clone https://github.com/sfackler/rust-openssl.git
-fi
-git -C rust-openssl checkout 11797d9ecb73e94b7f55a49274318abc9dc074d2
-git -C rust-openssl branch -f BASE_COMMIT
-git -C rust-openssl am $projectroot/nearby/scripts/openssl-patches/*.patch
-
-set +x
-
-cd $projectroot
-
-cat <<'EOF' >&2
-==========
-Preparation complete. The required repositories are downloaded to `beto-rust/boringssl-build`. If
-you need to go back to a clean state, you can remove that directory and rerun this script.
-
-You can now build and test with boringssl using the following command
-  `cd nearby && cargo --config .cargo/config-boringssl.toml test --features=boringssl`
-==========
-EOF
-echo
author	Android Build Coastguard Worker <android-build-coastguard-worker@google.com>	2023-05-26 10:20:15 +0000
committer	Android Build Coastguard Worker <android-build-coastguard-worker@google.com>	2023-05-26 10:20:15 +0000
commit	d1a3436b67c77506bc81fdbabea590b24286f71c (patch)
tree	9476f78c096ed736dc2bf0cfd5e32353c6ae2c18
parent	01a8ac0dfe277f7a531568a61f49c143e93c7394 (diff)
parent	2c936697b6518d784778d73e286247503a7e789b (diff)
download	beto-rust-d1a3436b67c77506bc81fdbabea590b24286f71c.tar.gz