85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <keymaster/km_openssl/hmac.h>
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#include <gtest/gtest.h>
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#include <string.h>
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#include "android_keymaster_test_utils.h"
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using std::string;
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namespace keymaster {
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namespace test {
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struct HmacTest {
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const char* data;
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const char* key;
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uint8_t digest[32];
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};
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static const HmacTest kHmacTests[] = {
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{
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"Test Using Larger Than Block-Size Key - Hash Key First",
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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{
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0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26,
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0xaa, 0xcb, 0xf5, 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28,
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0xc5, 0x14, 0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54,
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},
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},
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{
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"The test message for the MD2, MD5, and SHA-1 hashing algorithms.",
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"46697265666f7820616e64205468756e64657242697264206172652061776573"
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"6f6d652100",
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{
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0x05, 0x75, 0x9a, 0x9e, 0x70, 0x5e, 0xe7, 0x44, 0xe2, 0x46, 0x4b,
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0x92, 0x22, 0x14, 0x22, 0xe0, 0x1b, 0x92, 0x8a, 0x0c, 0xfe, 0xf5,
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0x49, 0xe9, 0xa7, 0x1b, 0x56, 0x7d, 0x1d, 0x29, 0x40, 0x48,
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},
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},
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};
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TEST(HmacTest, SHA256) {
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for (size_t i = 0; i < 2; i++) {
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const HmacTest& test(kHmacTests[i]);
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HmacSha256 hmac;
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const string key = hex2str(test.key);
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Buffer key_buffer(key.data(), key.size());
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ASSERT_TRUE(hmac.Init(key_buffer));
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uint8_t digest_copy[sizeof(test.digest)];
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memcpy(digest_copy, test.digest, sizeof(test.digest));
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Buffer digest_buffer(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
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Buffer data_buffer(test.data, strlen(test.data));
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EXPECT_TRUE(hmac.Verify(data_buffer, digest_buffer));
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digest_copy[16] ^= 0x80;
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digest_buffer.Reinitialize(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
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EXPECT_FALSE(hmac.Verify(data_buffer, digest_buffer));
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}
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}
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} // namespace test
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} // namespace keymaster
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