| // Copyright 2013 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 "webcrypto_impl.h" |
| |
| #include "base/basictypes.h" |
| #include "base/logging.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "content/public/renderer/content_renderer_client.h" |
| #include "content/renderer/renderer_webkitplatformsupport_impl.h" |
| #include "content/renderer/webcrypto/webcrypto_impl.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/platform/WebArrayBuffer.h" |
| #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
| #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" |
| #include "third_party/WebKit/public/platform/WebCryptoKey.h" |
| |
| namespace { |
| |
| std::vector<uint8> HexStringToBytes(const std::string& hex) { |
| std::vector<uint8> bytes; |
| base::HexStringToBytes(hex, &bytes); |
| return bytes; |
| } |
| |
| void ExpectArrayBufferMatchesHex(const std::string& expected_hex, |
| const WebKit::WebArrayBuffer& array_buffer) { |
| EXPECT_STRCASEEQ( |
| expected_hex.c_str(), |
| base::HexEncode( |
| array_buffer.data(), array_buffer.byteLength()).c_str()); |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateAlgorithm(WebKit::WebCryptoAlgorithmId id) { |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate(id, NULL); |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateHmacAlgorithm( |
| WebKit::WebCryptoAlgorithmId hashId) { |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate( |
| WebKit::WebCryptoAlgorithmIdHmac, |
| new WebKit::WebCryptoHmacParams(CreateAlgorithm(hashId))); |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateHmacKeyAlgorithm( |
| WebKit::WebCryptoAlgorithmId hashId, |
| unsigned hash_length) { |
| // hash_length < 0 means unspecified |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate( |
| WebKit::WebCryptoAlgorithmIdHmac, |
| new WebKit::WebCryptoHmacKeyParams(CreateAlgorithm(hashId), |
| (hash_length != 0), |
| hash_length)); |
| } |
| |
| // Returns a pointer to the start of |data|, or NULL if it is empty. This is a |
| // convenience function for getting the pointer, and should not be used beyond |
| // the expected lifetime of |data|. |
| const uint8* Start(const std::vector<uint8>& data) { |
| if (data.empty()) |
| return NULL; |
| return &data[0]; |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateAesCbcAlgorithm( |
| const std::vector<uint8>& iv) { |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate( |
| WebKit::WebCryptoAlgorithmIdAesCbc, |
| new WebKit::WebCryptoAesCbcParams(Start(iv), iv.size())); |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateAesCbcAlgorithm( |
| unsigned short key_length_bits) { |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate( |
| WebKit::WebCryptoAlgorithmIdAesCbc, |
| new WebKit::WebCryptoAesKeyGenParams(key_length_bits)); |
| } |
| |
| WebKit::WebCryptoAlgorithm CreateRsaAlgorithm( |
| WebKit::WebCryptoAlgorithmId algorithm_id, |
| unsigned modulus_length, |
| const std::vector<uint8>& public_exponent) { |
| DCHECK(algorithm_id == WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5 || |
| algorithm_id == WebKit::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || |
| algorithm_id == WebKit::WebCryptoAlgorithmIdRsaOaep); |
| return WebKit::WebCryptoAlgorithm::adoptParamsAndCreate( |
| algorithm_id, |
| new WebKit::WebCryptoRsaKeyGenParams( |
| modulus_length, Start(public_exponent), public_exponent.size())); |
| } |
| |
| } // namespace |
| |
| namespace content { |
| |
| class WebCryptoImplTest : public testing::Test { |
| protected: |
| WebKit::WebCryptoKey ImportSecretKeyFromRawHexString( |
| const std::string& key_hex, |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| WebKit::WebCryptoKeyUsageMask usage) { |
| std::vector<uint8> key_raw = HexStringToBytes(key_hex); |
| |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| bool extractable = true; |
| EXPECT_TRUE(crypto_.ImportKeyInternal(WebKit::WebCryptoKeyFormatRaw, |
| Start(key_raw), |
| key_raw.size(), |
| algorithm, |
| extractable, |
| usage, |
| &key)); |
| |
| EXPECT_EQ(WebKit::WebCryptoKeyTypeSecret, key.type()); |
| EXPECT_TRUE(key.handle()); |
| return key; |
| } |
| |
| // Forwarding methods to gain access to protected methods of |
| // WebCryptoImpl. |
| |
| bool DigestInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const std::vector<uint8>& data, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.DigestInternal(algorithm, Start(data), data.size(), buffer); |
| } |
| |
| bool GenerateKeyInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| WebKit::WebCryptoKey* key) { |
| bool extractable = true; |
| WebKit::WebCryptoKeyUsageMask usage_mask = 0; |
| return crypto_.GenerateKeyInternal(algorithm, extractable, usage_mask, key); |
| } |
| |
| bool GenerateKeyPairInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| bool extractable, |
| WebKit::WebCryptoKeyUsageMask usage_mask, |
| WebKit::WebCryptoKey* public_key, |
| WebKit::WebCryptoKey* private_key) { |
| return crypto_.GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, public_key, private_key); |
| } |
| |
| bool ImportKeyInternal( |
| WebKit::WebCryptoKeyFormat format, |
| const std::vector<uint8>& key_data, |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| WebKit::WebCryptoKeyUsageMask usage_mask, |
| WebKit::WebCryptoKey* key) { |
| bool extractable = true; |
| return crypto_.ImportKeyInternal(format, |
| Start(key_data), |
| key_data.size(), |
| algorithm, |
| extractable, |
| usage_mask, |
| key); |
| } |
| |
| bool SignInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const std::vector<uint8>& data, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.SignInternal( |
| algorithm, key, Start(data), data.size(), buffer); |
| } |
| |
| bool VerifySignatureInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const unsigned char* signature, |
| unsigned signature_size, |
| const std::vector<uint8>& data, |
| bool* signature_match) { |
| return crypto_.VerifySignatureInternal(algorithm, |
| key, |
| signature, |
| signature_size, |
| Start(data), |
| data.size(), |
| signature_match); |
| } |
| |
| bool EncryptInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const unsigned char* data, |
| unsigned data_size, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.EncryptInternal(algorithm, key, data, data_size, buffer); |
| } |
| |
| bool EncryptInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const std::vector<uint8>& data, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.EncryptInternal( |
| algorithm, key, Start(data), data.size(), buffer); |
| } |
| |
| bool DecryptInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const unsigned char* data, |
| unsigned data_size, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.DecryptInternal(algorithm, key, data, data_size, buffer); |
| } |
| |
| bool DecryptInternal( |
| const WebKit::WebCryptoAlgorithm& algorithm, |
| const WebKit::WebCryptoKey& key, |
| const std::vector<uint8>& data, |
| WebKit::WebArrayBuffer* buffer) { |
| return crypto_.DecryptInternal( |
| algorithm, key, Start(data), data.size(), buffer); |
| } |
| |
| private: |
| WebCryptoImpl crypto_; |
| }; |
| |
| TEST_F(WebCryptoImplTest, DigestSampleSets) { |
| // The results are stored here in hex format for readability. |
| // |
| // TODO(bryaneyler): Eventually, all these sample test sets should be replaced |
| // with the sets here: http://csrc.nist.gov/groups/STM/cavp/index.html#03 |
| // |
| // Results were generated using the command sha{1,224,256,384,512}sum. |
| struct TestCase { |
| WebKit::WebCryptoAlgorithmId algorithm; |
| const std::string hex_input; |
| const char* hex_result; |
| }; |
| |
| const TestCase kTests[] = { |
| { WebKit::WebCryptoAlgorithmIdSha1, "", |
| "da39a3ee5e6b4b0d3255bfef95601890afd80709" |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha224, "", |
| "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f" |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha256, "", |
| "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha384, "", |
| "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274e" |
| "debfe76f65fbd51ad2f14898b95b" |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha512, "", |
| "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0" |
| "d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha1, "00", |
| "5ba93c9db0cff93f52b521d7420e43f6eda2784f", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha224, "00", |
| "fff9292b4201617bdc4d3053fce02734166a683d7d858a7f5f59b073", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha256, "00", |
| "6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha384, "00", |
| "bec021b4f368e3069134e012c2b4307083d3a9bdd206e24e5f0d86e13d6636655933" |
| "ec2b413465966817a9c208a11717", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha512, "00", |
| "b8244d028981d693af7b456af8efa4cad63d282e19ff14942c246e50d9351d22704a" |
| "802a71c3580b6370de4ceb293c324a8423342557d4e5c38438f0e36910ee", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha1, "000102030405", |
| "868460d98d09d8bbb93d7b6cdd15cc7fbec676b9", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha224, "000102030405", |
| "7d92e7f1cad1818ed1d13ab41f04ebabfe1fef6bb4cbeebac34c29bc", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha256, "000102030405", |
| "17e88db187afd62c16e5debf3e6527cd006bc012bc90b51a810cd80c2d511f43", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha384, "000102030405", |
| "79f4738706fce9650ac60266675c3cd07298b09923850d525604d040e6e448adc7dc" |
| "22780d7e1b95bfeaa86a678e4552", |
| }, |
| { WebKit::WebCryptoAlgorithmIdSha512, "000102030405", |
| "2f3831bccc94cf061bcfa5f8c23c1429d26e3bc6b76edad93d9025cb91c903af6cf9" |
| "c935dc37193c04c2c66e7d9de17c358284418218afea2160147aaa912f4c", |
| }, |
| }; |
| |
| for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests); |
| ++test_index) { |
| SCOPED_TRACE(test_index); |
| const TestCase& test = kTests[test_index]; |
| |
| WebKit::WebCryptoAlgorithm algorithm = CreateAlgorithm(test.algorithm); |
| std::vector<uint8> input = HexStringToBytes(test.hex_input); |
| |
| WebKit::WebArrayBuffer output; |
| ASSERT_TRUE(DigestInternal(algorithm, input, &output)); |
| ExpectArrayBufferMatchesHex(test.hex_result, output); |
| } |
| } |
| |
| TEST_F(WebCryptoImplTest, HMACSampleSets) { |
| struct TestCase { |
| WebKit::WebCryptoAlgorithmId algorithm; |
| const char* key; |
| const char* message; |
| const char* mac; |
| }; |
| |
| const TestCase kTests[] = { |
| // Empty sets. Result generated via OpenSSL commandline tool. These |
| // particular results are also posted on the Wikipedia page examples: |
| // http://en.wikipedia.org/wiki/Hash-based_message_authentication_code |
| { |
| WebKit::WebCryptoAlgorithmIdSha1, |
| "", |
| "", |
| // openssl dgst -sha1 -hmac "" < /dev/null |
| "fbdb1d1b18aa6c08324b7d64b71fb76370690e1d", |
| }, |
| { |
| WebKit::WebCryptoAlgorithmIdSha256, |
| "", |
| "", |
| // openssl dgst -sha256 -hmac "" < /dev/null |
| "b613679a0814d9ec772f95d778c35fc5ff1697c493715653c6c712144292c5ad", |
| }, |
| // For this data, see http://csrc.nist.gov/groups/STM/cavp/index.html#07 |
| // Download: |
| // http://csrc.nist.gov/groups/STM/cavp/documents/mac/hmactestvectors.zip |
| // L=20 set 45 |
| { |
| WebKit::WebCryptoAlgorithmIdSha1, |
| // key |
| "59785928d72516e31272", |
| // message |
| "a3ce8899df1022e8d2d539b47bf0e309c66f84095e21438ec355bf119ce5fdcb4e73a6" |
| "19cdf36f25b369d8c38ff419997f0c59830108223606e31223483fd39edeaa4d3f0d21" |
| "198862d239c9fd26074130ff6c86493f5227ab895c8f244bd42c7afce5d147a20a5907" |
| "98c68e708e964902d124dadecdbda9dbd0051ed710e9bf", |
| // mac |
| "3c8162589aafaee024fc9a5ca50dd2336fe3eb28", |
| }, |
| // L=20 set 299 |
| { |
| WebKit::WebCryptoAlgorithmIdSha1, |
| // key |
| "ceb9aedf8d6efcf0ae52bea0fa99a9e26ae81bacea0cff4d5eecf201e3bca3c3577480" |
| "621b818fd717ba99d6ff958ea3d59b2527b019c343bb199e648090225867d994607962" |
| "f5866aa62930d75b58f6", |
| // message |
| "99958aa459604657c7bf6e4cdfcc8785f0abf06ffe636b5b64ecd931bd8a4563055924" |
| "21fc28dbcccb8a82acea2be8e54161d7a78e0399a6067ebaca3f2510274dc9f92f2c8a" |
| "e4265eec13d7d42e9f8612d7bc258f913ecb5a3a5c610339b49fb90e9037b02d684fc6" |
| "0da835657cb24eab352750c8b463b1a8494660d36c3ab2", |
| // mac |
| "4ac41ab89f625c60125ed65ffa958c6b490ea670", |
| }, |
| // L=32, set 30 |
| { |
| WebKit::WebCryptoAlgorithmIdSha256, |
| // key |
| "9779d9120642797f1747025d5b22b7ac607cab08e1758f2f3a46c8be1e25c53b8c6a8f" |
| "58ffefa176", |
| // message |
| "b1689c2591eaf3c9e66070f8a77954ffb81749f1b00346f9dfe0b2ee905dcc288baf4a" |
| "92de3f4001dd9f44c468c3d07d6c6ee82faceafc97c2fc0fc0601719d2dcd0aa2aec92" |
| "d1b0ae933c65eb06a03c9c935c2bad0459810241347ab87e9f11adb30415424c6c7f5f" |
| "22a003b8ab8de54f6ded0e3ab9245fa79568451dfa258e", |
| // mac |
| "769f00d3e6a6cc1fb426a14a4f76c6462e6149726e0dee0ec0cf97a16605ac8b", |
| }, |
| // L=32, set 224 |
| { |
| WebKit::WebCryptoAlgorithmIdSha256, |
| // key |
| "4b7ab133efe99e02fc89a28409ee187d579e774f4cba6fc223e13504e3511bef8d4f63" |
| "8b9aca55d4a43b8fbd64cf9d74dcc8c9e8d52034898c70264ea911a3fd70813fa73b08" |
| "3371289b", |
| // message |
| "138efc832c64513d11b9873c6fd4d8a65dbf367092a826ddd587d141b401580b798c69" |
| "025ad510cff05fcfbceb6cf0bb03201aaa32e423d5200925bddfadd418d8e30e18050e" |
| "b4f0618eb9959d9f78c1157d4b3e02cd5961f138afd57459939917d9144c95d8e6a94c" |
| "8f6d4eef3418c17b1ef0b46c2a7188305d9811dccb3d99", |
| // mac |
| "4f1ee7cb36c58803a8721d4ac8c4cf8cae5d8832392eed2a96dc59694252801b", |
| }, |
| }; |
| |
| for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests); |
| ++test_index) { |
| SCOPED_TRACE(test_index); |
| const TestCase& test = kTests[test_index]; |
| |
| WebKit::WebCryptoAlgorithm algorithm = CreateHmacAlgorithm(test.algorithm); |
| |
| WebKit::WebCryptoKey key = ImportSecretKeyFromRawHexString( |
| test.key, algorithm, WebKit::WebCryptoKeyUsageSign); |
| |
| std::vector<uint8> message_raw = HexStringToBytes(test.message); |
| |
| WebKit::WebArrayBuffer output; |
| |
| ASSERT_TRUE(SignInternal(algorithm, key, message_raw, &output)); |
| |
| ExpectArrayBufferMatchesHex(test.mac, output); |
| |
| bool signature_match = false; |
| EXPECT_TRUE(VerifySignatureInternal( |
| algorithm, |
| key, |
| static_cast<const unsigned char*>(output.data()), |
| output.byteLength(), |
| message_raw, |
| &signature_match)); |
| EXPECT_TRUE(signature_match); |
| |
| // Ensure truncated signature does not verify by passing one less byte. |
| EXPECT_TRUE(VerifySignatureInternal( |
| algorithm, |
| key, |
| static_cast<const unsigned char*>(output.data()), |
| output.byteLength() - 1, |
| message_raw, |
| &signature_match)); |
| EXPECT_FALSE(signature_match); |
| |
| // Ensure extra long signature does not cause issues and fails. |
| const unsigned char kLongSignature[1024] = { 0 }; |
| EXPECT_TRUE(VerifySignatureInternal( |
| algorithm, |
| key, |
| kLongSignature, |
| sizeof(kLongSignature), |
| message_raw, |
| &signature_match)); |
| EXPECT_FALSE(signature_match); |
| } |
| } |
| |
| TEST_F(WebCryptoImplTest, AesCbcFailures) { |
| WebKit::WebCryptoKey key = ImportSecretKeyFromRawHexString( |
| "2b7e151628aed2a6abf7158809cf4f3c", |
| CreateAlgorithm(WebKit::WebCryptoAlgorithmIdAesCbc), |
| WebKit::WebCryptoKeyUsageEncrypt | WebKit::WebCryptoKeyUsageDecrypt); |
| |
| WebKit::WebArrayBuffer output; |
| |
| // Use an invalid |iv| (fewer than 16 bytes) |
| { |
| std::vector<uint8> input(32); |
| std::vector<uint8> iv; |
| EXPECT_FALSE( |
| EncryptInternal(CreateAesCbcAlgorithm(iv), key, input, &output)); |
| EXPECT_FALSE( |
| DecryptInternal(CreateAesCbcAlgorithm(iv), key, input, &output)); |
| } |
| |
| // Use an invalid |iv| (more than 16 bytes) |
| { |
| std::vector<uint8> input(32); |
| std::vector<uint8> iv(17); |
| EXPECT_FALSE( |
| EncryptInternal(CreateAesCbcAlgorithm(iv), key, input, &output)); |
| EXPECT_FALSE( |
| DecryptInternal(CreateAesCbcAlgorithm(iv), key, input, &output)); |
| } |
| |
| // Give an input that is too large (would cause integer overflow when |
| // narrowing to an int). |
| { |
| std::vector<uint8> iv(16); |
| |
| // Pretend the input is large. Don't pass data pointer as NULL in case that |
| // is special cased; the implementation shouldn't actually dereference the |
| // data. |
| const unsigned char* input = &iv[0]; |
| unsigned input_len = INT_MAX - 3; |
| |
| EXPECT_FALSE(EncryptInternal( |
| CreateAesCbcAlgorithm(iv), key, input, input_len, &output)); |
| EXPECT_FALSE(DecryptInternal( |
| CreateAesCbcAlgorithm(iv), key, input, input_len, &output)); |
| } |
| |
| // Fail importing the key (too few bytes specified) |
| { |
| std::vector<uint8> key_raw(1); |
| std::vector<uint8> iv(16); |
| |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| EXPECT_FALSE(ImportKeyInternal(WebKit::WebCryptoKeyFormatRaw, |
| key_raw, |
| CreateAesCbcAlgorithm(iv), |
| WebKit::WebCryptoKeyUsageDecrypt, |
| &key)); |
| } |
| } |
| |
| TEST_F(WebCryptoImplTest, AesCbcSampleSets) { |
| struct TestCase { |
| const char* key; |
| const char* iv; |
| const char* plain_text; |
| const char* cipher_text; |
| }; |
| |
| TestCase kTests[] = { |
| // F.2.1 (CBC-AES128.Encrypt) |
| // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf |
| { |
| // key |
| "2b7e151628aed2a6abf7158809cf4f3c", |
| |
| // iv |
| "000102030405060708090a0b0c0d0e0f", |
| |
| // plain_text |
| "6bc1bee22e409f96e93d7e117393172a" |
| "ae2d8a571e03ac9c9eb76fac45af8e51" |
| "30c81c46a35ce411e5fbc1191a0a52ef" |
| "f69f2445df4f9b17ad2b417be66c3710", |
| |
| // cipher_text |
| "7649abac8119b246cee98e9b12e9197d" |
| "5086cb9b507219ee95db113a917678b2" |
| "73bed6b8e3c1743b7116e69e22229516" |
| "3ff1caa1681fac09120eca307586e1a7" |
| // Padding block: encryption of {0x10, 0x10, ... 0x10}) (not given by the |
| // NIST test vector) |
| "8cb82807230e1321d3fae00d18cc2012" |
| }, |
| |
| // F.2.6 CBC-AES256.Decrypt [*] |
| // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf |
| // |
| // [*] Truncated 3 bytes off the plain text, so block 4 differs from the |
| // NIST vector. |
| { |
| // key |
| "603deb1015ca71be2b73aef0857d7781" |
| "1f352c073b6108d72d9810a30914dff4", |
| |
| // iv |
| "000102030405060708090a0b0c0d0e0f", |
| |
| // plain_text |
| "6bc1bee22e409f96e93d7e117393172a" |
| "ae2d8a571e03ac9c9eb76fac45af8e51" |
| "30c81c46a35ce411e5fbc1191a0a52ef" |
| // Truncated this last block to make it more interesting. |
| "f69f2445df4f9b17ad2b417be6", |
| |
| // cipher_text |
| "f58c4c04d6e5f1ba779eabfb5f7bfbd6" |
| "9cfc4e967edb808d679f777bc6702c7d" |
| "39f23369a9d9bacfa530e26304231461" |
| // This block differs from source vector (due to truncation) |
| "c9aaf02a6a54e9e242ccbf48c59daca6" |
| }, |
| |
| // Taken from encryptor_unittest.cc (EncryptorTest.EmptyEncrypt()) |
| { |
| // key |
| "3132383d5369787465656e4279746573", |
| |
| // iv |
| "5377656574205369787465656e204956", |
| |
| // plain_text |
| "", |
| |
| // cipher_text |
| "8518b8878d34e7185e300d0fcc426396" |
| }, |
| }; |
| |
| for (size_t index = 0; index < ARRAYSIZE_UNSAFE(kTests); index++) { |
| SCOPED_TRACE(index); |
| const TestCase& test = kTests[index]; |
| |
| WebKit::WebCryptoKey key = ImportSecretKeyFromRawHexString( |
| test.key, |
| CreateAlgorithm(WebKit::WebCryptoAlgorithmIdAesCbc), |
| WebKit::WebCryptoKeyUsageEncrypt | WebKit::WebCryptoKeyUsageDecrypt); |
| |
| std::vector<uint8> plain_text = HexStringToBytes(test.plain_text); |
| std::vector<uint8> iv = HexStringToBytes(test.iv); |
| |
| WebKit::WebArrayBuffer output; |
| |
| // Test encryption. |
| EXPECT_TRUE(EncryptInternal(CreateAesCbcAlgorithm(iv), |
| key, |
| plain_text, |
| &output)); |
| ExpectArrayBufferMatchesHex(test.cipher_text, output); |
| |
| // Test decryption. |
| std::vector<uint8> cipher_text = HexStringToBytes(test.cipher_text); |
| EXPECT_TRUE(DecryptInternal(CreateAesCbcAlgorithm(iv), |
| key, |
| cipher_text, |
| &output)); |
| ExpectArrayBufferMatchesHex(test.plain_text, output); |
| |
| const unsigned kAesCbcBlockSize = 16; |
| |
| // Decrypt with a padding error by stripping the last block. This also ends |
| // up testing decryption over empty cipher text. |
| if (cipher_text.size() >= kAesCbcBlockSize) { |
| EXPECT_FALSE(DecryptInternal(CreateAesCbcAlgorithm(iv), |
| key, |
| &cipher_text[0], |
| cipher_text.size() - kAesCbcBlockSize, |
| &output)); |
| } |
| |
| // Decrypt cipher text which is not a multiple of block size by stripping |
| // a few bytes off the cipher text. |
| if (cipher_text.size() > 3) { |
| EXPECT_FALSE(DecryptInternal(CreateAesCbcAlgorithm(iv), |
| key, |
| &cipher_text[0], |
| cipher_text.size() - 3, |
| &output)); |
| } |
| } |
| } |
| |
| // TODO (padolph): Add test to verify generated symmetric keys appear random. |
| |
| |
| TEST_F(WebCryptoImplTest, GenerateKeyAes) { |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| ASSERT_TRUE(GenerateKeyInternal(CreateAesCbcAlgorithm(128), &key)); |
| EXPECT_TRUE(key.handle()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypeSecret, key.type()); |
| } |
| |
| TEST_F(WebCryptoImplTest, GenerateKeyAesBadLength) { |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| EXPECT_FALSE(GenerateKeyInternal(CreateAesCbcAlgorithm(0), &key)); |
| EXPECT_FALSE(GenerateKeyInternal(CreateAesCbcAlgorithm(129), &key)); |
| } |
| |
| TEST_F(WebCryptoImplTest, GenerateKeyHmac) { |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| WebKit::WebCryptoAlgorithm algorithm = |
| CreateHmacKeyAlgorithm(WebKit::WebCryptoAlgorithmIdSha1, 128); |
| ASSERT_TRUE(GenerateKeyInternal(algorithm, &key)); |
| EXPECT_TRUE(key.handle()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypeSecret, key.type()); |
| } |
| |
| TEST_F(WebCryptoImplTest, GenerateKeyHmacNoLength) { |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| WebKit::WebCryptoAlgorithm algorithm = |
| CreateHmacKeyAlgorithm(WebKit::WebCryptoAlgorithmIdSha1, 0); |
| ASSERT_TRUE(GenerateKeyInternal(algorithm, &key)); |
| EXPECT_TRUE(key.handle()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypeSecret, key.type()); |
| } |
| |
| TEST_F(WebCryptoImplTest, ImportSecretKeyNoAlgorithm) { |
| WebKit::WebCryptoKey key = WebKit::WebCryptoKey::createNull(); |
| |
| // This fails because the algorithm is null. |
| EXPECT_FALSE(ImportKeyInternal( |
| WebKit::WebCryptoKeyFormatRaw, |
| HexStringToBytes("00000000000000000000"), |
| WebKit::WebCryptoAlgorithm::createNull(), |
| WebKit::WebCryptoKeyUsageSign, |
| &key)); |
| } |
| |
| #if !defined(USE_OPENSSL) |
| |
| TEST_F(WebCryptoImplTest, GenerateKeyPairRsa) { |
| |
| // Note: using unrealistic short key lengths here to avoid bogging down tests. |
| |
| // Successful WebCryptoAlgorithmIdRsaEsPkcs1v1_5 key generation. |
| const unsigned modulus_length = 256; |
| const std::vector<uint8> public_exponent = HexStringToBytes("010001"); |
| WebKit::WebCryptoAlgorithm algorithm = |
| CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, |
| modulus_length, |
| public_exponent); |
| const bool extractable = false; |
| const WebKit::WebCryptoKeyUsageMask usage_mask = 0; |
| WebKit::WebCryptoKey public_key = WebKit::WebCryptoKey::createNull(); |
| WebKit::WebCryptoKey private_key = WebKit::WebCryptoKey::createNull(); |
| EXPECT_TRUE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| EXPECT_FALSE(public_key.isNull()); |
| EXPECT_FALSE(private_key.isNull()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePublic, public_key.type()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePrivate, private_key.type()); |
| EXPECT_EQ(extractable, public_key.extractable()); |
| EXPECT_EQ(extractable, private_key.extractable()); |
| EXPECT_EQ(usage_mask, public_key.usages()); |
| EXPECT_EQ(usage_mask, private_key.usages()); |
| |
| // Fail with bad modulus. |
| algorithm = CreateRsaAlgorithm( |
| WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, 0, public_exponent); |
| EXPECT_FALSE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| |
| // Fail with bad exponent: larger than unsigned long. |
| unsigned exponent_length = sizeof(unsigned long) + 1; |
| const std::vector<uint8> long_exponent(exponent_length, 0x01); |
| algorithm = CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, |
| modulus_length, |
| long_exponent); |
| EXPECT_FALSE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| |
| // Fail with bad exponent: empty. |
| const std::vector<uint8> empty_exponent; |
| algorithm = CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, |
| modulus_length, |
| empty_exponent); |
| EXPECT_FALSE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| |
| // Fail with bad exponent: all zeros. |
| std::vector<uint8> exponent_with_leading_zeros(15, 0x00); |
| algorithm = CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, |
| modulus_length, |
| exponent_with_leading_zeros); |
| EXPECT_FALSE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| |
| // Key generation success using exponent with leading zeros. |
| exponent_with_leading_zeros.insert(exponent_with_leading_zeros.end(), |
| public_exponent.begin(), |
| public_exponent.end()); |
| algorithm = CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, |
| modulus_length, |
| exponent_with_leading_zeros); |
| EXPECT_TRUE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| EXPECT_FALSE(public_key.isNull()); |
| EXPECT_FALSE(private_key.isNull()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePublic, public_key.type()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePrivate, private_key.type()); |
| EXPECT_EQ(extractable, public_key.extractable()); |
| EXPECT_EQ(extractable, private_key.extractable()); |
| EXPECT_EQ(usage_mask, public_key.usages()); |
| EXPECT_EQ(usage_mask, private_key.usages()); |
| |
| // Successful WebCryptoAlgorithmIdRsaOaep key generation. |
| algorithm = CreateRsaAlgorithm( |
| WebKit::WebCryptoAlgorithmIdRsaOaep, modulus_length, public_exponent); |
| EXPECT_TRUE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| EXPECT_FALSE(public_key.isNull()); |
| EXPECT_FALSE(private_key.isNull()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePublic, public_key.type()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePrivate, private_key.type()); |
| EXPECT_EQ(extractable, public_key.extractable()); |
| EXPECT_EQ(extractable, private_key.extractable()); |
| EXPECT_EQ(usage_mask, public_key.usages()); |
| EXPECT_EQ(usage_mask, private_key.usages()); |
| |
| // Successful WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 key generation. |
| algorithm = CreateRsaAlgorithm(WebKit::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, |
| modulus_length, |
| public_exponent); |
| EXPECT_TRUE(GenerateKeyPairInternal( |
| algorithm, extractable, usage_mask, &public_key, &private_key)); |
| EXPECT_FALSE(public_key.isNull()); |
| EXPECT_FALSE(private_key.isNull()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePublic, public_key.type()); |
| EXPECT_EQ(WebKit::WebCryptoKeyTypePrivate, private_key.type()); |
| EXPECT_EQ(extractable, public_key.extractable()); |
| EXPECT_EQ(extractable, private_key.extractable()); |
| EXPECT_EQ(usage_mask, public_key.usages()); |
| EXPECT_EQ(usage_mask, private_key.usages()); |
| } |
| |
| #endif // #if !defined(USE_OPENSSL) |
| |
| } // namespace content |
