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| /*
| * Copyright (C) 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 <keymaster/km_openssl/hmac.h>
|
| #include <gtest/gtest.h>
| #include <string.h>
|
| #include "android_keymaster_test_utils.h"
|
| using std::string;
|
| namespace keymaster {
|
| namespace test {
|
| struct HmacTest {
| const char* data;
| const char* key;
| uint8_t digest[32];
| };
|
| static const HmacTest kHmacTests[] = {
| {
| "Test Using Larger Than Block-Size Key - Hash Key First",
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
| {
| 0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5,
| 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14, 0x05, 0x46, 0x04, 0x0f,
| 0x0e, 0xe3, 0x7f, 0x54,
| },
| },
| {
| "The test message for the MD2, MD5, and SHA-1 hashing algorithms.",
| "46697265666f7820616e64205468756e64657242697264206172652061776573"
| "6f6d652100",
| {
| 0x05, 0x75, 0x9a, 0x9e, 0x70, 0x5e, 0xe7, 0x44, 0xe2, 0x46, 0x4b, 0x92, 0x22, 0x14,
| 0x22, 0xe0, 0x1b, 0x92, 0x8a, 0x0c, 0xfe, 0xf5, 0x49, 0xe9, 0xa7, 0x1b, 0x56, 0x7d,
| 0x1d, 0x29, 0x40, 0x48,
| },
| },
| };
|
| TEST(HmacTest, SHA256) {
| for (size_t i = 0; i < 2; i++) {
| const HmacTest& test(kHmacTests[i]);
|
| HmacSha256 hmac;
| const string key = hex2str(test.key);
| Buffer key_buffer(key.data(), key.size());
| ASSERT_TRUE(hmac.Init(key_buffer));
|
| uint8_t digest_copy[sizeof(test.digest)];
| memcpy(digest_copy, test.digest, sizeof(test.digest));
| Buffer digest_buffer(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
|
| Buffer data_buffer(test.data, strlen(test.data));
| EXPECT_TRUE(hmac.Verify(data_buffer, digest_buffer));
|
| digest_copy[16] ^= 0x80;
| digest_buffer.Reinitialize(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
| EXPECT_FALSE(hmac.Verify(data_buffer, digest_buffer));
| }
| }
|
| } // namespace test
| } // namespace keymaster
|
|
