upload android base code part6

android/system/keymaster/kdf_test.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2015 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.
+ */
+
+#include "kdf.h"
+#include <gtest/gtest.h>
+
+namespace keymaster {
+
+namespace test {
+
+class ForTestAbstractKdf : public Kdf {
+    bool GenerateKey(const uint8_t* /* info */, size_t /* info_len */, uint8_t* /* output */,
+                     size_t /* output_len */) {
+        return true;
+    }
+};
+
+TEST(KdfTest, Kdf) {
+    ForTestAbstractKdf kdf;
+    uint8_t key[128];
+    uint8_t salt[128];
+    ASSERT_TRUE(kdf.Init(KM_DIGEST_SHA1, key, 128, salt, 128));
+    ASSERT_TRUE(kdf.Init(KM_DIGEST_SHA_2_256, key, 128, salt, 128));
+    ASSERT_TRUE(kdf.Init(KM_DIGEST_SHA1, key, 128, nullptr, 0));
+    ASSERT_FALSE(kdf.Init(KM_DIGEST_MD5, key, 128, salt, 128));
+    ASSERT_FALSE(kdf.Init(KM_DIGEST_SHA1, nullptr, 0, salt, 128));
+    ASSERT_FALSE(kdf.Init(KM_DIGEST_SHA1, nullptr, 128, salt, 128));
+    ASSERT_FALSE(kdf.Init(KM_DIGEST_SHA1, key, 0, salt, 128));
+}
+
+}  // namespace test
+
+}  // namespace keymaster