components/webcrypto/test/sha_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/logging.h"
   6 #include "base/stl_util.h"
   7 #include "components/webcrypto/algorithm_dispatch.h"
   8 #include "components/webcrypto/crypto_data.h"
   9 #include "components/webcrypto/status.h"
  10 #include "components/webcrypto/test/test_helpers.h"
  11 #include "components/webcrypto/webcrypto_util.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
  14 #include "third_party/WebKit/public/platform/WebCryptoKey.h"
  15 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
  16
  17 namespace webcrypto {
  18
  19 namespace {
  20
  21 TEST(WebCryptoShaTest, DigestSampleSets) {
  22   scoped_ptr<base::ListValue> tests;
  23   ASSERT_TRUE(ReadJsonTestFileToList("sha.json", &tests));
  24
  25   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
  26     SCOPED_TRACE(test_index);
  27     base::DictionaryValue* test;
  28     ASSERT_TRUE(tests->GetDictionary(test_index, &test));
  29
  30     blink::WebCryptoAlgorithm test_algorithm =
  31         GetDigestAlgorithm(test, "algorithm");
  32     std::vector<uint8_t> test_input = GetBytesFromHexString(test, "input");
  33     std::vector<uint8_t> test_output = GetBytesFromHexString(test, "output");
  34
  35     std::vector<uint8_t> output;
  36     ASSERT_EQ(Status::Success(),
  37               Digest(test_algorithm, CryptoData(test_input), &output));
  38     EXPECT_BYTES_EQ(test_output, output);
  39   }
  40 }
  41
  42 TEST(WebCryptoShaTest, DigestSampleSetsInChunks) {
  43   scoped_ptr<base::ListValue> tests;
  44   ASSERT_TRUE(ReadJsonTestFileToList("sha.json", &tests));
  45
  46   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
  47     SCOPED_TRACE(test_index);
  48     base::DictionaryValue* test;
  49     ASSERT_TRUE(tests->GetDictionary(test_index, &test));
  50
  51     blink::WebCryptoAlgorithm test_algorithm =
  52         GetDigestAlgorithm(test, "algorithm");
  53     std::vector<uint8_t> test_input = GetBytesFromHexString(test, "input");
  54     std::vector<uint8_t> test_output = GetBytesFromHexString(test, "output");
  55
  56     // Test the chunk version of the digest functions. Test with 129 byte chunks
  57     // because the SHA-512 chunk size is 128 bytes.
  58     unsigned char* output;
  59     unsigned int output_length;
  60     static const size_t kChunkSizeBytes = 129;
  61     size_t length = test_input.size();
  62     scoped_ptr<blink::WebCryptoDigestor> digestor(
  63         CreateDigestor(test_algorithm.id()));
  64     std::vector<uint8_t>::iterator begin = test_input.begin();
  65     size_t chunk_index = 0;
  66     while (begin != test_input.end()) {
  67       size_t chunk_length = std::min(kChunkSizeBytes, length - chunk_index);
  68       std::vector<uint8_t> chunk(begin, begin + chunk_length);
  69       ASSERT_TRUE(chunk.size() > 0);
  70       EXPECT_TRUE(digestor->consume(vector_as_array(&chunk),
  71                                     static_cast<unsigned int>(chunk.size())));
  72       chunk_index = chunk_index + chunk_length;
  73       begin = begin + chunk_length;
  74     }
  75     EXPECT_TRUE(digestor->finish(output, output_length));
  76     EXPECT_BYTES_EQ(test_output, CryptoData(output, output_length));
  77   }
  78 }
  79
  80 }  // namespace
  81
  82 }  // namespace webcrypto