diff options
author | Qi Wu <siofive@google.com> | 2021-01-05 20:14:56 +0800 |
---|---|---|
committer | Qi Wu <siofive@google.com> | 2021-01-13 22:37:19 +0800 |
commit | ba765a66c1a2e1d08a6bbbc7d847a175c1ad9fa4 (patch) | |
tree | 00096765946aeeed1b8e625b5f50aea7cd4b3c2b | |
parent | 29ae34bcde8608bd3c7e572f0c1cd9f678fb0df9 (diff) | |
download | libhardware-ba765a66c1a2e1d08a6bbbc7d847a175c1ad9fa4.tar.gz |
Add limited use key tag defination.
Test: none
Change-Id: I5464f6411b8bce94a3736cd033d064e75d313fe1
-rw-r--r-- | include/hardware/keymaster_defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hardware/keymaster_defs.h b/include/hardware/keymaster_defs.h index f2deb72a..ab614d5b 100644 --- a/include/hardware/keymaster_defs.h +++ b/include/hardware/keymaster_defs.h @@ -95,6 +95,8 @@ typedef enum { cryptographic operations with the key. */ KM_TAG_MAX_USES_PER_BOOT = KM_UINT | 404, /* Number of times the key can be used per boot. */ + KM_TAG_USAGE_COUNT_LIMIT = KM_UINT | 405, /* Number of cryptographic operations left + with the key.*/ /* User authentication */ KM_TAG_ALL_USERS = KM_BOOL | 500, /* Reserved for future use -- ignore */ |