| /* |
| * 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 "hmac.h" |
| |
| #include <gtest/gtest.h> |
| #include <string.h> |
| |
| #include "google_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 |