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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include "base/logging.h"
#include "base/values.h"
#include "components/webcrypto/algorithm_dispatch.h"
#include "components/webcrypto/algorithms/test_helpers.h"
#include "components/webcrypto/crypto_data.h"
#include "components/webcrypto/status.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
#include "third_party/WebKit/public/platform/WebCryptoKey.h"
#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
namespace webcrypto {
namespace {
class WebCryptoShaTest : public WebCryptoTestBase {};
TEST_F(WebCryptoShaTest, DigestSampleSets) {
std::unique_ptr<base::ListValue> tests;
ASSERT_TRUE(ReadJsonTestFileToList("sha.json", &tests));
for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
SCOPED_TRACE(test_index);
base::DictionaryValue* test;
ASSERT_TRUE(tests->GetDictionary(test_index, &test));
blink::WebCryptoAlgorithm test_algorithm =
GetDigestAlgorithm(test, "algorithm");
std::vector<uint8_t> test_input = GetBytesFromHexString(test, "input");
std::vector<uint8_t> test_output = GetBytesFromHexString(test, "output");
std::vector<uint8_t> output;
ASSERT_EQ(Status::Success(),
Digest(test_algorithm, CryptoData(test_input), &output));
EXPECT_BYTES_EQ(test_output, output);
}
}
TEST_F(WebCryptoShaTest, DigestSampleSetsInChunks) {
std::unique_ptr<base::ListValue> tests;
ASSERT_TRUE(ReadJsonTestFileToList("sha.json", &tests));
for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
SCOPED_TRACE(test_index);
base::DictionaryValue* test;
ASSERT_TRUE(tests->GetDictionary(test_index, &test));
blink::WebCryptoAlgorithm test_algorithm =
GetDigestAlgorithm(test, "algorithm");
std::vector<uint8_t> test_input = GetBytesFromHexString(test, "input");
std::vector<uint8_t> test_output = GetBytesFromHexString(test, "output");
// Test the chunk version of the digest functions. Test with 129 byte chunks
// because the SHA-512 chunk size is 128 bytes.
unsigned char* output;
unsigned int output_length;
static const size_t kChunkSizeBytes = 129;
size_t length = test_input.size();
std::unique_ptr<blink::WebCryptoDigestor> digestor(
CreateDigestor(test_algorithm.id()));
std::vector<uint8_t>::iterator begin = test_input.begin();
size_t chunk_index = 0;
while (begin != test_input.end()) {
size_t chunk_length = std::min(kChunkSizeBytes, length - chunk_index);
std::vector<uint8_t> chunk(begin, begin + chunk_length);
ASSERT_TRUE(chunk.size() > 0);
EXPECT_TRUE(digestor->consume(chunk.data(),
static_cast<unsigned int>(chunk.size())));
chunk_index = chunk_index + chunk_length;
begin = begin + chunk_length;
}
EXPECT_TRUE(digestor->finish(output, output_length));
EXPECT_BYTES_EQ(test_output, CryptoData(output, output_length));
}
}
} // namespace
} // namespace webcrypto
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