1 files changed, 40 insertions, 0 deletions
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/SP800DeriveTests.java b/services/tests/servicestests/src/com/android/server/locksettings/SP800DeriveTests.java
new file mode 100644
index 000000000000..fc2dcb9cc83b
--- /dev/null
+++ b/services/tests/servicestests/src/com/android/server/locksettings/SP800DeriveTests.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.android.server.locksettings;
+
+import android.test.AndroidTestCase;
+
+import com.android.internal.util.HexDump;
+
+public class SP800DeriveTests extends AndroidTestCase {
+    public void testFixedInput() throws Exception {
+        // CAVP: https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/key-derivation
+        byte[] keyBytes = HexDump.hexStringToByteArray(
+            "e204d6d466aad507ffaf6d6dab0a5b26"
+            + "152c9e21e764370464e360c8fbc765c6");
+        SP800Derive sk = new SP800Derive(keyBytes);
+        byte[] fixedInput = HexDump.hexStringToByteArray(
+            "7b03b98d9f94b899e591f3ef264b71b1"
+            + "93fba7043c7e953cde23bc5384bc1a62"
+            + "93580115fae3495fd845dadbd02bd645"
+            + "5cf48d0f62b33e62364a3a80");
+        byte[] res = sk.fixedInput(fixedInput);
+        assertEquals((
+                "770dfab6a6a4a4bee0257ff335213f78"
+                + "d8287b4fd537d5c1fffa956910e7c779").toUpperCase(), HexDump.toHexString(res));
+    }
+}