зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.9 KiB
C++
56 строки
1.9 KiB
C++
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "gcm-vectors.h"
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#include "gtest/gtest.h"
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#include "util.h"
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#include "gcm.h"
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namespace nss_test {
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class GHashTest : public ::testing::TestWithParam<gcm_kat_value> {
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protected:
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void TestGHash(const gcm_kat_value val, bool sw) {
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// Read test data.
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std::vector<uint8_t> hash_key = hex_string_to_bytes(val.hash_key);
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ASSERT_EQ(16UL, hash_key.size());
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std::vector<uint8_t> additional_data =
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hex_string_to_bytes(val.additional_data);
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std::vector<uint8_t> result = hex_string_to_bytes(val.result);
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std::vector<uint8_t> cipher_text(result.begin(), result.end() - 16);
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std::vector<uint8_t> expected = hex_string_to_bytes(val.ghash);
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ASSERT_EQ(16UL, expected.size());
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// Prepare context.
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gcmHashContext ghashCtx;
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ASSERT_EQ(SECSuccess, gcmHash_InitContext(&ghashCtx, hash_key.data(), sw));
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// Hash additional_data, cipher_text.
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gcmHash_Reset(&ghashCtx,
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const_cast<const unsigned char *>(additional_data.data()),
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additional_data.size());
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gcmHash_Update(&ghashCtx,
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const_cast<const unsigned char *>(cipher_text.data()),
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cipher_text.size());
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// Finalise (hash in the length).
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uint8_t result_bytes[16];
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unsigned int out_len;
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ASSERT_EQ(SECSuccess, gcmHash_Final(&ghashCtx, result_bytes, &out_len, 16));
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ASSERT_EQ(16U, out_len);
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EXPECT_EQ(expected, std::vector<uint8_t>(result_bytes, result_bytes + 16));
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}
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};
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#ifdef NSS_X86_OR_X64
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TEST_P(GHashTest, KAT_X86_HW) { TestGHash(GetParam(), false); }
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#endif
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TEST_P(GHashTest, KAT_Sftw) { TestGHash(GetParam(), true); }
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INSTANTIATE_TEST_CASE_P(NISTTestVector, GHashTest,
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::testing::ValuesIn(kGcmKatValues));
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} // nss_test
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