html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/test/aes_gcm_unittest.cc

Index: content/child/webcrypto/test/aes_gcm_unittest.cc
diff --git a/content/child/webcrypto/test/aes_gcm_unittest.cc b/content/child/webcrypto/test/aes_gcm_unittest.cc
deleted file mode 100644
index e2e355402dced0ed2f23b226d1d04186717fcf77..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/test/aes_gcm_unittest.cc
+++ /dev/null
@@ -1,248 +0,0 @@
-// 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 "base/stl_util.h"
-#include "content/child/webcrypto/algorithm_dispatch.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/test/test_helpers.h"
-#include "content/child/webcrypto/webcrypto_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
-#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
-
-namespace content {
-
-namespace webcrypto {
-
-namespace {
-
-// Creates an AES-GCM algorithm.
-blink::WebCryptoAlgorithm CreateAesGcmAlgorithm(
-    const std::vector<uint8_t>& iv,
-    const std::vector<uint8_t>& additional_data,
-    unsigned int tag_length_bits) {
-  EXPECT_TRUE(SupportsAesGcm());
-  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdAesGcm,
-      new blink::WebCryptoAesGcmParams(vector_as_array(&iv), iv.size(), true,
-                                       vector_as_array(&additional_data),
-                                       additional_data.size(), true,
-                                       tag_length_bits));
-}
-
-blink::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm(
-    unsigned short key_length_bits) {
-  EXPECT_TRUE(SupportsAesGcm());
-  return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesGcm,
-                                  key_length_bits);
-}
-
-Status AesGcmEncrypt(const blink::WebCryptoKey& key,
-                     const std::vector<uint8_t>& iv,
-                     const std::vector<uint8_t>& additional_data,
-                     unsigned int tag_length_bits,
-                     const std::vector<uint8_t>& plain_text,
-                     std::vector<uint8_t>* cipher_text,
-                     std::vector<uint8_t>* authentication_tag) {
-  EXPECT_TRUE(SupportsAesGcm());
-  blink::WebCryptoAlgorithm algorithm =
-      CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits);
-
-  std::vector<uint8_t> output;
-  Status status = Encrypt(algorithm, key, CryptoData(plain_text), &output);
-  if (status.IsError())
-    return status;
-
-  if ((tag_length_bits % 8) != 0) {
-    ADD_FAILURE() << "Encrypt should have failed.";
-    return Status::OperationError();
-  }
-
-  size_t tag_length_bytes = tag_length_bits / 8;
-
-  if (tag_length_bytes > output.size()) {
-    ADD_FAILURE() << "tag length is larger than output";
-    return Status::OperationError();
-  }
-
-  // The encryption result is cipher text with authentication tag appended.
-  cipher_text->assign(output.begin(),
-                      output.begin() + (output.size() - tag_length_bytes));
-  authentication_tag->assign(output.begin() + cipher_text->size(),
-                             output.end());
-
-  return Status::Success();
-}
-
-Status AesGcmDecrypt(const blink::WebCryptoKey& key,
-                     const std::vector<uint8_t>& iv,
-                     const std::vector<uint8_t>& additional_data,
-                     unsigned int tag_length_bits,
-                     const std::vector<uint8_t>& cipher_text,
-                     const std::vector<uint8_t>& authentication_tag,
-                     std::vector<uint8_t>* plain_text) {
-  EXPECT_TRUE(SupportsAesGcm());
-  blink::WebCryptoAlgorithm algorithm =
-      CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits);
-
-  // Join cipher text and authentication tag.
-  std::vector<uint8_t> cipher_text_with_tag;
-  cipher_text_with_tag.reserve(cipher_text.size() + authentication_tag.size());
-  cipher_text_with_tag.insert(cipher_text_with_tag.end(), cipher_text.begin(),
-                              cipher_text.end());
-  cipher_text_with_tag.insert(cipher_text_with_tag.end(),
-                              authentication_tag.begin(),
-                              authentication_tag.end());
-
-  return Decrypt(algorithm, key, CryptoData(cipher_text_with_tag), plain_text);
-}
-
-TEST(WebCryptoAesGcmTest, GenerateKeyBadLength) {
-  if (!SupportsAesGcm()) {
-    LOG(WARNING) << "AES GCM not supported, skipping tests";
-    return;
-  }
-
-  const unsigned short kKeyLen[] = {0, 127, 257};
-  blink::WebCryptoKey key;
-  for (size_t i = 0; i < arraysize(kKeyLen); ++i) {
-    SCOPED_TRACE(i);
-    EXPECT_EQ(Status::ErrorGenerateAesKeyLength(),
-              GenerateSecretKey(CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), true,
-                                blink::WebCryptoKeyUsageDecrypt, &key));
-  }
-}
-
-TEST(WebCryptoAesGcmTest, GenerateKeyEmptyUsage) {
-  if (!SupportsAesGcm()) {
-    LOG(WARNING) << "AES GCM not supported, skipping tests";
-    return;
-  }
-
-  blink::WebCryptoKey key;
-  EXPECT_EQ(Status::ErrorCreateKeyEmptyUsages(),
-            GenerateSecretKey(CreateAesGcmKeyGenAlgorithm(256), true, 0, &key));
-}
-
-TEST(WebCryptoAesGcmTest, ImportExportJwk) {
-  // Some Linux test runners may not have a new enough version of NSS.
-  if (!SupportsAesGcm()) {
-    LOG(WARNING) << "AES GCM not supported, skipping tests";
-    return;
-  }
-
-  const blink::WebCryptoAlgorithm algorithm =
-      CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm);
-
-  // AES-GCM 128
-  ImportExportJwkSymmetricKey(
-      128, algorithm,
-      blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt,
-      "A128GCM");
-
-  // AES-GCM 256
-  ImportExportJwkSymmetricKey(256, algorithm, blink::WebCryptoKeyUsageDecrypt,
-                              "A256GCM");
-}
-
-// TODO(eroman):
-//   * Test decryption when the tag length exceeds input size
-//   * Test decryption with empty input
-//   * Test decryption with tag length of 0.
-TEST(WebCryptoAesGcmTest, SampleSets) {
-  // Some Linux test runners may not have a new enough version of NSS.
-  if (!SupportsAesGcm()) {
-    LOG(WARNING) << "AES GCM not supported, skipping tests";
-    return;
-  }
-
-  scoped_ptr<base::ListValue> tests;
-  ASSERT_TRUE(ReadJsonTestFileToList("aes_gcm.json", &tests));
-
-  // Note that WebCrypto appends the authentication tag to the ciphertext.
-  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));
-
-    const std::vector<uint8_t> test_key = GetBytesFromHexString(test, "key");
-    const std::vector<uint8_t> test_iv = GetBytesFromHexString(test, "iv");
-    const std::vector<uint8_t> test_additional_data =
-        GetBytesFromHexString(test, "additional_data");
-    const std::vector<uint8_t> test_plain_text =
-        GetBytesFromHexString(test, "plain_text");
-    const std::vector<uint8_t> test_authentication_tag =
-        GetBytesFromHexString(test, "authentication_tag");
-    const unsigned int test_tag_size_bits = test_authentication_tag.size() * 8;
-    const std::vector<uint8_t> test_cipher_text =
-        GetBytesFromHexString(test, "cipher_text");
-
-    blink::WebCryptoKey key = ImportSecretKeyFromRaw(
-        test_key, CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm),
-        blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt);
-
-    // Verify exported raw key is identical to the imported data
-    std::vector<uint8_t> raw_key;
-    EXPECT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key));
-
-    EXPECT_BYTES_EQ(test_key, raw_key);
-
-    // Test encryption.
-    std::vector<uint8_t> cipher_text;
-    std::vector<uint8_t> authentication_tag;
-    EXPECT_EQ(
-        Status::Success(),
-        AesGcmEncrypt(key, test_iv, test_additional_data, test_tag_size_bits,
-                      test_plain_text, &cipher_text, &authentication_tag));
-
-    EXPECT_BYTES_EQ(test_cipher_text, cipher_text);
-    EXPECT_BYTES_EQ(test_authentication_tag, authentication_tag);
-
-    // Test decryption.
-    std::vector<uint8_t> plain_text;
-    EXPECT_EQ(
-        Status::Success(),
-        AesGcmDecrypt(key, test_iv, test_additional_data, test_tag_size_bits,
-                      test_cipher_text, test_authentication_tag, &plain_text));
-    EXPECT_BYTES_EQ(test_plain_text, plain_text);
-
-    // Decryption should fail if any of the inputs are tampered with.
-    EXPECT_EQ(Status::OperationError(),
-              AesGcmDecrypt(key, Corrupted(test_iv), test_additional_data,
-                            test_tag_size_bits, test_cipher_text,
-                            test_authentication_tag, &plain_text));
-    EXPECT_EQ(Status::OperationError(),
-              AesGcmDecrypt(key, test_iv, Corrupted(test_additional_data),
-                            test_tag_size_bits, test_cipher_text,
-                            test_authentication_tag, &plain_text));
-    EXPECT_EQ(Status::OperationError(),
-              AesGcmDecrypt(key, test_iv, test_additional_data,
-                            test_tag_size_bits, Corrupted(test_cipher_text),
-                            test_authentication_tag, &plain_text));
-    EXPECT_EQ(Status::OperationError(),
-              AesGcmDecrypt(key, test_iv, test_additional_data,
-                            test_tag_size_bits, test_cipher_text,
-                            Corrupted(test_authentication_tag), &plain_text));
-
-    // Try different incorrect tag lengths
-    uint8_t kAlternateTagLengths[] = {0, 8, 96, 120, 128, 160, 255};
-    for (size_t tag_i = 0; tag_i < arraysize(kAlternateTagLengths); ++tag_i) {
-      unsigned int wrong_tag_size_bits = kAlternateTagLengths[tag_i];
-      if (test_tag_size_bits == wrong_tag_size_bits)
-        continue;
-      EXPECT_NE(Status::Success(),
-                AesGcmDecrypt(key, test_iv, test_additional_data,
-                              wrong_tag_size_bits, test_cipher_text,
-                              test_authentication_tag, &plain_text));
-    }
-  }
-}
-
-}  // namespace
-
-}  // namespace webcrypto
-
-}  // namespace content