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| 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 "content/renderer/webcrypto/shared_crypto.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/file_util.h" | |
| 13 #include "base/json/json_reader.h" | |
| 14 #include "base/json/json_writer.h" | |
| 15 #include "base/logging.h" | |
| 16 #include "base/memory/ref_counted.h" | |
| 17 #include "base/path_service.h" | |
| 18 #include "base/strings/string_number_conversions.h" | |
| 19 #include "base/values.h" | |
| 20 #include "content/public/common/content_paths.h" | |
| 21 #include "content/public/renderer/content_renderer_client.h" | |
| 22 #include "content/renderer/renderer_webkitplatformsupport_impl.h" | |
| 23 #include "content/renderer/webcrypto/crypto_data.h" | |
| 24 #include "content/renderer/webcrypto/webcrypto_util.h" | |
| 25 #include "testing/gtest/include/gtest/gtest.h" | |
| 26 #include "third_party/WebKit/public/platform/WebArrayBuffer.h" | |
| 27 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | |
| 28 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | |
| 29 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" | |
| 30 #include "third_party/WebKit/public/platform/WebCryptoKey.h" | |
| 31 #include "third_party/re2/re2/re2.h" | |
| 32 | |
| 33 // The OpenSSL implementation of WebCrypto is less complete, so don't run all of | |
| 34 // the tests: http://crbug.com/267888 | |
| 35 #if defined(USE_OPENSSL) | |
| 36 #define MAYBE(test_name) DISABLED_##test_name | |
| 37 #else | |
| 38 #define MAYBE(test_name) test_name | |
| 39 #endif | |
| 40 | |
| 41 // Helper macros to verify the value of a Status. | |
| 42 #define EXPECT_STATUS_ERROR(code) EXPECT_FALSE((code).IsSuccess()) | |
| 43 #define EXPECT_STATUS(expected, code) \ | |
| 44 EXPECT_EQ(expected.ToString(), (code).ToString()) | |
| 45 #define ASSERT_STATUS(expected, code) \ | |
| 46 ASSERT_EQ(expected.ToString(), (code).ToString()) | |
| 47 #define EXPECT_STATUS_SUCCESS(code) EXPECT_STATUS(Status::Success(), code) | |
| 48 #define ASSERT_STATUS_SUCCESS(code) ASSERT_STATUS(Status::Success(), code) | |
| 49 | |
| 50 namespace content { | |
| 51 | |
| 52 namespace webcrypto { | |
| 53 | |
| 54 namespace { | |
| 55 | |
| 56 blink::WebCryptoAlgorithm CreateRsaKeyGenAlgorithm( | |
| 57 blink::WebCryptoAlgorithmId algorithm_id, | |
| 58 unsigned int modulus_length, | |
| 59 const std::vector<uint8>& public_exponent) { | |
| 60 DCHECK_EQ(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, algorithm_id); | |
| 61 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 62 algorithm_id, | |
| 63 new blink::WebCryptoRsaKeyGenParams( | |
| 64 modulus_length, | |
| 65 webcrypto::Uint8VectorStart(public_exponent), | |
| 66 public_exponent.size())); | |
| 67 } | |
| 68 | |
| 69 blink::WebCryptoAlgorithm CreateRsaHashedKeyGenAlgorithm( | |
| 70 blink::WebCryptoAlgorithmId algorithm_id, | |
| 71 const blink::WebCryptoAlgorithmId hash_id, | |
| 72 unsigned int modulus_length, | |
| 73 const std::vector<uint8>& public_exponent) { | |
| 74 DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || | |
| 75 algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep); | |
| 76 DCHECK(IsHashAlgorithm(hash_id)); | |
| 77 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 78 algorithm_id, | |
| 79 new blink::WebCryptoRsaHashedKeyGenParams( | |
| 80 CreateAlgorithm(hash_id), | |
| 81 modulus_length, | |
| 82 webcrypto::Uint8VectorStart(public_exponent), | |
| 83 public_exponent.size())); | |
| 84 } | |
| 85 | |
| 86 // Creates an AES-CBC algorithm. | |
| 87 blink::WebCryptoAlgorithm CreateAesCbcAlgorithm(const std::vector<uint8>& iv) { | |
| 88 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 89 blink::WebCryptoAlgorithmIdAesCbc, | |
| 90 new blink::WebCryptoAesCbcParams(Uint8VectorStart(iv), iv.size())); | |
| 91 } | |
| 92 | |
| 93 // Creates and AES-GCM algorithm. | |
| 94 blink::WebCryptoAlgorithm CreateAesGcmAlgorithm( | |
| 95 const std::vector<uint8>& iv, | |
| 96 const std::vector<uint8>& additional_data, | |
| 97 unsigned int tag_length_bits) { | |
| 98 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 99 blink::WebCryptoAlgorithmIdAesGcm, | |
| 100 new blink::WebCryptoAesGcmParams(Uint8VectorStart(iv), | |
| 101 iv.size(), | |
| 102 true, | |
| 103 Uint8VectorStart(additional_data), | |
| 104 additional_data.size(), | |
| 105 true, | |
| 106 tag_length_bits)); | |
| 107 } | |
| 108 | |
| 109 // Creates an HMAC algorithm whose parameters struct is compatible with key | |
| 110 // generation. It is an error to call this with a hash_id that is not a SHA*. | |
| 111 // The key_length_bytes parameter is optional, with zero meaning unspecified. | |
| 112 blink::WebCryptoAlgorithm CreateHmacKeyGenAlgorithm( | |
| 113 blink::WebCryptoAlgorithmId hash_id, | |
| 114 unsigned int key_length_bytes) { | |
| 115 DCHECK(IsHashAlgorithm(hash_id)); | |
| 116 // key_length_bytes == 0 means unspecified | |
| 117 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 118 blink::WebCryptoAlgorithmIdHmac, | |
| 119 new blink::WebCryptoHmacKeyGenParams( | |
| 120 CreateAlgorithm(hash_id), (key_length_bytes != 0), key_length_bytes)); | |
| 121 } | |
| 122 | |
| 123 // Returns a slightly modified version of the input vector. | |
| 124 // | |
| 125 // - For non-empty inputs a single bit is inverted. | |
| 126 // - For empty inputs, a byte is added. | |
| 127 std::vector<uint8> Corrupted(const std::vector<uint8>& input) { | |
| 128 std::vector<uint8> corrupted_data(input); | |
| 129 if (corrupted_data.empty()) | |
| 130 corrupted_data.push_back(0); | |
| 131 corrupted_data[corrupted_data.size() / 2] ^= 0x01; | |
| 132 return corrupted_data; | |
| 133 } | |
| 134 | |
| 135 std::vector<uint8> HexStringToBytes(const std::string& hex) { | |
| 136 std::vector<uint8> bytes; | |
| 137 base::HexStringToBytes(hex, &bytes); | |
| 138 return bytes; | |
| 139 } | |
| 140 | |
| 141 void ExpectArrayBufferMatches(const std::vector<uint8>& expected, | |
| 142 const blink::WebArrayBuffer& actual) { | |
| 143 EXPECT_EQ( | |
| 144 base::HexEncode(webcrypto::Uint8VectorStart(expected), expected.size()), | |
| 145 base::HexEncode(actual.data(), actual.byteLength())); | |
| 146 } | |
| 147 | |
| 148 void ExpectCryptoDataMatchesHex(const std::string& expected_hex, | |
| 149 const CryptoData& actual) { | |
| 150 EXPECT_STRCASEEQ( | |
| 151 expected_hex.c_str(), | |
| 152 base::HexEncode(actual.bytes(), actual.byte_length()).c_str()); | |
| 153 } | |
| 154 | |
| 155 void ExpectArrayBufferMatchesHex(const std::string& expected_hex, | |
| 156 const blink::WebArrayBuffer& array_buffer) { | |
| 157 return ExpectCryptoDataMatchesHex(expected_hex, CryptoData(array_buffer)); | |
| 158 } | |
| 159 | |
| 160 void ExpectVectorMatches(const std::vector<uint8>& expected, | |
| 161 const std::vector<uint8>& actual) { | |
| 162 EXPECT_EQ( | |
| 163 base::HexEncode(webcrypto::Uint8VectorStart(expected), expected.size()), | |
| 164 base::HexEncode(webcrypto::Uint8VectorStart(actual), actual.size())); | |
| 165 } | |
| 166 | |
| 167 std::vector<uint8> MakeJsonVector(const std::string& json_string) { | |
| 168 return std::vector<uint8>(json_string.begin(), json_string.end()); | |
| 169 } | |
| 170 | |
| 171 std::vector<uint8> MakeJsonVector(const base::DictionaryValue& dict) { | |
| 172 std::string json; | |
| 173 base::JSONWriter::Write(&dict, &json); | |
| 174 return MakeJsonVector(json); | |
| 175 } | |
| 176 | |
| 177 // ---------------------------------------------------------------- | |
| 178 // Helpers for working with JSON data files for test expectations. | |
| 179 // ---------------------------------------------------------------- | |
| 180 | |
| 181 // Reads a file in "src/content/test/data/webcrypto" to a base::Value. | |
| 182 // The file must be JSON, however it can also include C++ style comments. | |
| 183 ::testing::AssertionResult ReadJsonTestFile(const char* test_file_name, | |
| 184 scoped_ptr<base::Value>* value) { | |
| 185 base::FilePath test_data_dir; | |
| 186 if (!PathService::Get(DIR_TEST_DATA, &test_data_dir)) | |
| 187 return ::testing::AssertionFailure() << "Couldn't retrieve test dir"; | |
| 188 | |
| 189 base::FilePath file_path = | |
| 190 test_data_dir.AppendASCII("webcrypto").AppendASCII(test_file_name); | |
| 191 | |
| 192 std::string file_contents; | |
| 193 if (!base::ReadFileToString(file_path, &file_contents)) { | |
| 194 return ::testing::AssertionFailure() | |
| 195 << "Couldn't read test file: " << file_path.value(); | |
| 196 } | |
| 197 | |
| 198 // Strip C++ style comments out of the "json" file, otherwise it cannot be | |
| 199 // parsed. | |
| 200 re2::RE2::GlobalReplace(&file_contents, re2::RE2("\\s*//.*"), ""); | |
| 201 | |
| 202 // Parse the JSON to a dictionary. | |
| 203 value->reset(base::JSONReader::Read(file_contents)); | |
| 204 if (!value->get()) { | |
| 205 return ::testing::AssertionFailure() | |
| 206 << "Couldn't parse test file JSON: " << file_path.value(); | |
| 207 } | |
| 208 | |
| 209 return ::testing::AssertionSuccess(); | |
| 210 } | |
| 211 | |
| 212 // Same as ReadJsonTestFile(), but return the value as a List. | |
| 213 ::testing::AssertionResult ReadJsonTestFileToList( | |
| 214 const char* test_file_name, | |
| 215 scoped_ptr<base::ListValue>* list) { | |
| 216 // Read the JSON. | |
| 217 scoped_ptr<base::Value> json; | |
| 218 ::testing::AssertionResult result = ReadJsonTestFile(test_file_name, &json); | |
| 219 if (!result) | |
| 220 return result; | |
| 221 | |
| 222 // Cast to an ListValue. | |
| 223 base::ListValue* list_value = NULL; | |
| 224 if (!json->GetAsList(&list_value) || !list_value) | |
| 225 return ::testing::AssertionFailure() << "The JSON was not a list"; | |
| 226 | |
| 227 list->reset(list_value); | |
| 228 ignore_result(json.release()); | |
| 229 | |
| 230 return ::testing::AssertionSuccess(); | |
| 231 } | |
| 232 | |
| 233 // Read a string property from the dictionary with path |property_name| | |
| 234 // (which can include periods for nested dictionaries). Interprets the | |
| 235 // string as a hex encoded string and converts it to a bytes list. | |
| 236 // | |
| 237 // Returns empty vector on failure. | |
| 238 std::vector<uint8> GetBytesFromHexString(base::DictionaryValue* dict, | |
| 239 const char* property_name) { | |
| 240 std::string hex_string; | |
| 241 if (!dict->GetString(property_name, &hex_string)) { | |
| 242 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; | |
| 243 return std::vector<uint8>(); | |
| 244 } | |
| 245 | |
| 246 return HexStringToBytes(hex_string); | |
| 247 } | |
| 248 | |
| 249 // Reads a string property with path "property_name" and converts it to a | |
| 250 // WebCryptoAlgorith. Returns null algorithm on failure. | |
| 251 blink::WebCryptoAlgorithm GetDigestAlgorithm(base::DictionaryValue* dict, | |
| 252 const char* property_name) { | |
| 253 std::string algorithm_name; | |
| 254 if (!dict->GetString(property_name, &algorithm_name)) { | |
| 255 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; | |
| 256 return blink::WebCryptoAlgorithm::createNull(); | |
| 257 } | |
| 258 | |
| 259 struct { | |
| 260 const char* name; | |
| 261 blink::WebCryptoAlgorithmId id; | |
| 262 } kDigestNameToId[] = {{"sha-1", blink::WebCryptoAlgorithmIdSha1}, | |
| 263 {"sha-224", blink::WebCryptoAlgorithmIdSha224}, | |
| 264 {"sha-256", blink::WebCryptoAlgorithmIdSha256}, | |
| 265 {"sha-384", blink::WebCryptoAlgorithmIdSha384}, | |
| 266 {"sha-512", blink::WebCryptoAlgorithmIdSha512}, }; | |
| 267 | |
| 268 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kDigestNameToId); ++i) { | |
| 269 if (kDigestNameToId[i].name == algorithm_name) | |
| 270 return CreateAlgorithm(kDigestNameToId[i].id); | |
| 271 } | |
| 272 | |
| 273 return blink::WebCryptoAlgorithm::createNull(); | |
| 274 } | |
| 275 | |
| 276 // Helper for ImportJwkFailures and ImportJwkOctFailures. Restores the JWK JSON | |
| 277 // dictionary to a good state | |
| 278 void RestoreJwkOctDictionary(base::DictionaryValue* dict) { | |
| 279 dict->Clear(); | |
| 280 dict->SetString("kty", "oct"); | |
| 281 dict->SetString("alg", "A128CBC"); | |
| 282 dict->SetString("use", "enc"); | |
| 283 dict->SetBoolean("extractable", false); | |
| 284 dict->SetString("k", "GADWrMRHwQfoNaXU5fZvTg=="); | |
| 285 } | |
| 286 | |
| 287 // Helper for ImportJwkRsaFailures. Restores the JWK JSON | |
| 288 // dictionary to a good state | |
| 289 void RestoreJwkRsaDictionary(base::DictionaryValue* dict) { | |
| 290 dict->Clear(); | |
| 291 dict->SetString("kty", "RSA"); | |
| 292 dict->SetString("alg", "RSA1_5"); | |
| 293 dict->SetString("use", "enc"); | |
| 294 dict->SetBoolean("extractable", false); | |
| 295 dict->SetString( | |
| 296 "n", | |
| 297 "qLOyhK-OtQs4cDSoYPFGxJGfMYdjzWxVmMiuSBGh4KvEx-CwgtaTpef87Wdc9GaFEncsDLxk" | |
| 298 "p0LGxjD1M8jMcvYq6DPEC_JYQumEu3i9v5fAEH1VvbZi9cTg-rmEXLUUjvc5LdOq_5OuHmtm" | |
| 299 "e7PUJHYW1PW6ENTP0ibeiNOfFvs"); | |
| 300 dict->SetString("e", "AQAB"); | |
| 301 } | |
| 302 | |
| 303 blink::WebCryptoAlgorithm CreateRsaHashedImportAlgorithm( | |
| 304 blink::WebCryptoAlgorithmId algorithm_id, | |
| 305 blink::WebCryptoAlgorithmId hash_id) { | |
| 306 DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || | |
| 307 algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep); | |
| 308 DCHECK(IsHashAlgorithm(hash_id)); | |
| 309 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 310 algorithm_id, | |
| 311 new blink::WebCryptoRsaHashedImportParams(CreateAlgorithm(hash_id))); | |
| 312 } | |
| 313 | |
| 314 // Determines if two ArrayBuffers have identical content. | |
| 315 bool ArrayBuffersEqual(const blink::WebArrayBuffer& a, | |
| 316 const blink::WebArrayBuffer& b) { | |
| 317 return a.byteLength() == b.byteLength() && | |
| 318 memcmp(a.data(), b.data(), a.byteLength()) == 0; | |
| 319 } | |
| 320 | |
| 321 // Given a vector of WebArrayBuffers, determines if there are any copies. | |
| 322 bool CopiesExist(std::vector<blink::WebArrayBuffer> bufs) { | |
| 323 for (size_t i = 0; i < bufs.size(); ++i) { | |
| 324 for (size_t j = i + 1; j < bufs.size(); ++j) { | |
| 325 if (ArrayBuffersEqual(bufs[i], bufs[j])) | |
| 326 return true; | |
| 327 } | |
| 328 } | |
| 329 return false; | |
| 330 } | |
| 331 | |
| 332 blink::WebCryptoAlgorithm CreateAesKeyGenAlgorithm( | |
| 333 blink::WebCryptoAlgorithmId aes_alg_id, | |
| 334 unsigned short length) { | |
| 335 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 336 aes_alg_id, new blink::WebCryptoAesKeyGenParams(length)); | |
| 337 } | |
| 338 | |
| 339 blink::WebCryptoAlgorithm CreateAesCbcKeyGenAlgorithm( | |
| 340 unsigned short key_length_bits) { | |
| 341 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesCbc, | |
| 342 key_length_bits); | |
| 343 } | |
| 344 | |
| 345 blink::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm( | |
| 346 unsigned short key_length_bits) { | |
| 347 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesGcm, | |
| 348 key_length_bits); | |
| 349 } | |
| 350 | |
| 351 blink::WebCryptoAlgorithm CreateAesKwKeyGenAlgorithm( | |
| 352 unsigned short key_length_bits) { | |
| 353 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesKw, | |
| 354 key_length_bits); | |
| 355 } | |
| 356 | |
| 357 // The following key pair is comprised of the SPKI (public key) and PKCS#8 | |
| 358 // (private key) representations of the key pair provided in Example 1 of the | |
| 359 // NIST test vectors at | |
| 360 // ftp://ftp.rsa.com/pub/rsalabs/tmp/pkcs1v15sign-vectors.txt | |
| 361 const unsigned int kModulusLength = 1024; | |
| 362 const char* const kPublicKeySpkiDerHex = | |
| 363 "30819f300d06092a864886f70d010101050003818d0030818902818100a5" | |
| 364 "6e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad9" | |
| 365 "91d8c51056ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfc" | |
| 366 "e0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921cb23c270a70e2598e" | |
| 367 "6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f20d0ce8cf" | |
| 368 "fb2249bd9a21370203010001"; | |
| 369 const char* const kPrivateKeyPkcs8DerHex = | |
| 370 "30820275020100300d06092a864886f70d01010105000482025f3082025b" | |
| 371 "02010002818100a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52" | |
| 372 "a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283a12a88a394dff526ab" | |
| 373 "7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921c" | |
| 374 "b23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef" | |
| 375 "22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d" | |
| 376 "4f5451ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c" | |
| 377 "568c8f97853ad07c0266c8c6a3ca0929f1e8f11231884429fc4d9ae55fee" | |
| 378 "896a10ce707c3ed7e734e44727a39574501a532683109c2abacaba283c31" | |
| 379 "b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6dcee883547c6a3b3" | |
| 380 "25024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8629" | |
| 381 "6b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b" | |
| 382 "3b6dcd3eda8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde12" | |
| 383 "3fd2700180aa90479b6e48de8d67ed24f9f19d85ba275874f542cd20dc72" | |
| 384 "3e6963364a1f9425452b269a6799fd024028fa13938655be1f8a159cbaca" | |
| 385 "5a72ea190c30089e19cd274a556f36c4f6e19f554b34c077790427bbdd8d" | |
| 386 "d3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa71" | |
| 387 "2049898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd" | |
| 388 "48be455eaeb6e1678255827580a8e4e8e14151d1510a82a3f2e729024027" | |
| 389 "156aba4126d24a81f3a528cbfb27f56886f840a9f6e86e17a44b94fe9319" | |
| 390 "584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb2190acf832b847f13a3d24" | |
| 391 "a79f4d"; | |
| 392 | |
| 393 class SharedCryptoTest : public testing::Test { | |
| 394 protected: | |
| 395 virtual void SetUp() OVERRIDE { Init(); } | |
| 396 }; | |
| 397 | |
| 398 blink::WebCryptoKey ImportSecretKeyFromRaw( | |
| 399 const std::vector<uint8>& key_raw, | |
| 400 const blink::WebCryptoAlgorithm& algorithm, | |
| 401 blink::WebCryptoKeyUsageMask usage) { | |
| 402 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 403 bool extractable = true; | |
| 404 EXPECT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 405 CryptoData(key_raw), | |
| 406 algorithm, | |
| 407 extractable, | |
| 408 usage, | |
| 409 &key)); | |
| 410 | |
| 411 EXPECT_FALSE(key.isNull()); | |
| 412 EXPECT_TRUE(key.handle()); | |
| 413 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 414 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 415 EXPECT_EQ(extractable, key.extractable()); | |
| 416 EXPECT_EQ(usage, key.usages()); | |
| 417 return key; | |
| 418 } | |
| 419 | |
| 420 void ImportRsaKeyPair(const std::vector<uint8>& spki_der, | |
| 421 const std::vector<uint8>& pkcs8_der, | |
| 422 const blink::WebCryptoAlgorithm& algorithm, | |
| 423 bool extractable, | |
| 424 blink::WebCryptoKeyUsageMask usage_mask, | |
| 425 blink::WebCryptoKey* public_key, | |
| 426 blink::WebCryptoKey* private_key) { | |
| 427 EXPECT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 428 CryptoData(spki_der), | |
| 429 algorithm, | |
| 430 true, | |
| 431 usage_mask, | |
| 432 public_key)); | |
| 433 EXPECT_FALSE(public_key->isNull()); | |
| 434 EXPECT_TRUE(public_key->handle()); | |
| 435 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key->type()); | |
| 436 EXPECT_EQ(algorithm.id(), public_key->algorithm().id()); | |
| 437 EXPECT_EQ(extractable, extractable); | |
| 438 EXPECT_EQ(usage_mask, public_key->usages()); | |
| 439 | |
| 440 EXPECT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatPkcs8, | |
| 441 CryptoData(pkcs8_der), | |
| 442 algorithm, | |
| 443 extractable, | |
| 444 usage_mask, | |
| 445 private_key)); | |
| 446 EXPECT_FALSE(private_key->isNull()); | |
| 447 EXPECT_TRUE(private_key->handle()); | |
| 448 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key->type()); | |
| 449 EXPECT_EQ(algorithm.id(), private_key->algorithm().id()); | |
| 450 EXPECT_EQ(extractable, extractable); | |
| 451 EXPECT_EQ(usage_mask, private_key->usages()); | |
| 452 } | |
| 453 | |
| 454 // TODO(eroman): For Linux builds using system NSS, AES-GCM support is a | |
| 455 // runtime dependency. Test it by trying to import a key. | |
| 456 bool SupportsAesGcm() { | |
| 457 std::vector<uint8> key_raw(16, 0); | |
| 458 | |
| 459 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 460 Status status = ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 461 CryptoData(key_raw), | |
| 462 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), | |
| 463 true, | |
| 464 blink::WebCryptoKeyUsageEncrypt, | |
| 465 &key); | |
| 466 | |
| 467 if (status.IsError()) | |
| 468 EXPECT_EQ(Status::ErrorUnsupported().ToString(), status.ToString()); | |
| 469 return status.IsSuccess(); | |
| 470 } | |
| 471 | |
| 472 Status AesGcmEncrypt(const blink::WebCryptoKey& key, | |
| 473 const std::vector<uint8>& iv, | |
| 474 const std::vector<uint8>& additional_data, | |
| 475 unsigned int tag_length_bits, | |
| 476 const std::vector<uint8>& plain_text, | |
| 477 std::vector<uint8>* cipher_text, | |
| 478 std::vector<uint8>* authentication_tag) { | |
| 479 blink::WebCryptoAlgorithm algorithm = | |
| 480 CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits); | |
| 481 | |
| 482 blink::WebArrayBuffer output; | |
| 483 Status status = Encrypt(algorithm, key, CryptoData(plain_text), &output); | |
| 484 if (status.IsError()) | |
| 485 return status; | |
| 486 | |
| 487 if (output.byteLength() * 8 < tag_length_bits) { | |
| 488 EXPECT_TRUE(false); | |
| 489 return Status::Error(); | |
| 490 } | |
| 491 | |
| 492 // The encryption result is cipher text with authentication tag appended. | |
| 493 cipher_text->assign(static_cast<uint8*>(output.data()), | |
| 494 static_cast<uint8*>(output.data()) + | |
| 495 (output.byteLength() - tag_length_bits / 8)); | |
| 496 authentication_tag->assign( | |
| 497 static_cast<uint8*>(output.data()) + cipher_text->size(), | |
| 498 static_cast<uint8*>(output.data()) + output.byteLength()); | |
| 499 | |
| 500 return Status::Success(); | |
| 501 } | |
| 502 | |
| 503 Status AesGcmDecrypt(const blink::WebCryptoKey& key, | |
| 504 const std::vector<uint8>& iv, | |
| 505 const std::vector<uint8>& additional_data, | |
| 506 unsigned int tag_length_bits, | |
| 507 const std::vector<uint8>& cipher_text, | |
| 508 const std::vector<uint8>& authentication_tag, | |
| 509 blink::WebArrayBuffer* plain_text) { | |
| 510 blink::WebCryptoAlgorithm algorithm = | |
| 511 CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits); | |
| 512 | |
| 513 // Join cipher text and authentication tag. | |
| 514 std::vector<uint8> cipher_text_with_tag; | |
| 515 cipher_text_with_tag.reserve(cipher_text.size() + authentication_tag.size()); | |
| 516 cipher_text_with_tag.insert( | |
| 517 cipher_text_with_tag.end(), cipher_text.begin(), cipher_text.end()); | |
| 518 cipher_text_with_tag.insert(cipher_text_with_tag.end(), | |
| 519 authentication_tag.begin(), | |
| 520 authentication_tag.end()); | |
| 521 | |
| 522 return Decrypt(algorithm, key, CryptoData(cipher_text_with_tag), plain_text); | |
| 523 } | |
| 524 | |
| 525 Status ImportKeyJwkFromDict(const base::DictionaryValue& dict, | |
| 526 const blink::WebCryptoAlgorithm& algorithm, | |
| 527 bool extractable, | |
| 528 blink::WebCryptoKeyUsageMask usage_mask, | |
| 529 blink::WebCryptoKey* key) { | |
| 530 return ImportKeyJwk(CryptoData(MakeJsonVector(dict)), | |
| 531 algorithm, | |
| 532 extractable, | |
| 533 usage_mask, | |
| 534 key); | |
| 535 } | |
| 536 | |
| 537 } // namespace | |
| 538 | |
| 539 TEST_F(SharedCryptoTest, StatusToString) { | |
| 540 EXPECT_EQ("Success", Status::Success().ToString()); | |
| 541 EXPECT_EQ("", Status::Error().ToString()); | |
| 542 EXPECT_EQ("The requested operation is unsupported", | |
| 543 Status::ErrorUnsupported().ToString()); | |
| 544 EXPECT_EQ("The required JWK property \"kty\" was missing", | |
| 545 Status::ErrorJwkPropertyMissing("kty").ToString()); | |
| 546 EXPECT_EQ("The JWK property \"kty\" must be a string", | |
| 547 Status::ErrorJwkPropertyWrongType("kty", "string").ToString()); | |
| 548 EXPECT_EQ("The JWK property \"n\" could not be base64 decoded", | |
| 549 Status::ErrorJwkBase64Decode("n").ToString()); | |
| 550 } | |
| 551 | |
| 552 TEST_F(SharedCryptoTest, DigestSampleSets) { | |
| 553 scoped_ptr<base::ListValue> tests; | |
| 554 ASSERT_TRUE(ReadJsonTestFileToList("digest.json", &tests)); | |
| 555 | |
| 556 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 557 SCOPED_TRACE(test_index); | |
| 558 base::DictionaryValue* test; | |
| 559 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 560 | |
| 561 blink::WebCryptoAlgorithm test_algorithm = | |
| 562 GetDigestAlgorithm(test, "algorithm"); | |
| 563 std::vector<uint8> test_input = GetBytesFromHexString(test, "input"); | |
| 564 std::vector<uint8> test_output = GetBytesFromHexString(test, "output"); | |
| 565 | |
| 566 blink::WebArrayBuffer output; | |
| 567 ASSERT_STATUS_SUCCESS( | |
| 568 Digest(test_algorithm, CryptoData(test_input), &output)); | |
| 569 ExpectArrayBufferMatches(test_output, output); | |
| 570 } | |
| 571 } | |
| 572 | |
| 573 TEST_F(SharedCryptoTest, HMACSampleSets) { | |
| 574 scoped_ptr<base::ListValue> tests; | |
| 575 ASSERT_TRUE(ReadJsonTestFileToList("hmac.json", &tests)); | |
| 576 | |
| 577 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 578 SCOPED_TRACE(test_index); | |
| 579 base::DictionaryValue* test; | |
| 580 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 581 | |
| 582 blink::WebCryptoAlgorithm test_hash = GetDigestAlgorithm(test, "hash"); | |
| 583 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 584 const std::vector<uint8> test_message = | |
| 585 GetBytesFromHexString(test, "message"); | |
| 586 const std::vector<uint8> test_mac = GetBytesFromHexString(test, "mac"); | |
| 587 | |
| 588 blink::WebCryptoAlgorithm algorithm = | |
| 589 CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac); | |
| 590 | |
| 591 blink::WebCryptoAlgorithm importAlgorithm = | |
| 592 CreateHmacImportAlgorithm(test_hash.id()); | |
| 593 | |
| 594 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 595 test_key, | |
| 596 importAlgorithm, | |
| 597 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify); | |
| 598 | |
| 599 EXPECT_EQ(test_hash.id(), key.algorithm().hmacParams()->hash().id()); | |
| 600 | |
| 601 // Verify exported raw key is identical to the imported data | |
| 602 blink::WebArrayBuffer raw_key; | |
| 603 EXPECT_STATUS_SUCCESS( | |
| 604 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 605 ExpectArrayBufferMatches(test_key, raw_key); | |
| 606 | |
| 607 blink::WebArrayBuffer output; | |
| 608 | |
| 609 ASSERT_STATUS_SUCCESS( | |
| 610 Sign(algorithm, key, CryptoData(test_message), &output)); | |
| 611 | |
| 612 ExpectArrayBufferMatches(test_mac, output); | |
| 613 | |
| 614 bool signature_match = false; | |
| 615 EXPECT_STATUS_SUCCESS(VerifySignature(algorithm, | |
| 616 key, | |
| 617 CryptoData(output), | |
| 618 CryptoData(test_message), | |
| 619 &signature_match)); | |
| 620 EXPECT_TRUE(signature_match); | |
| 621 | |
| 622 // Ensure truncated signature does not verify by passing one less byte. | |
| 623 EXPECT_STATUS_SUCCESS(VerifySignature( | |
| 624 algorithm, | |
| 625 key, | |
| 626 CryptoData(static_cast<const unsigned char*>(output.data()), | |
| 627 output.byteLength() - 1), | |
| 628 CryptoData(test_message), | |
| 629 &signature_match)); | |
| 630 EXPECT_FALSE(signature_match); | |
| 631 | |
| 632 // Ensure truncated signature does not verify by passing no bytes. | |
| 633 EXPECT_STATUS_SUCCESS(VerifySignature(algorithm, | |
| 634 key, | |
| 635 CryptoData(), | |
| 636 CryptoData(test_message), | |
| 637 &signature_match)); | |
| 638 EXPECT_FALSE(signature_match); | |
| 639 | |
| 640 // Ensure extra long signature does not cause issues and fails. | |
| 641 const unsigned char kLongSignature[1024] = {0}; | |
| 642 EXPECT_STATUS_SUCCESS( | |
| 643 VerifySignature(algorithm, | |
| 644 key, | |
| 645 CryptoData(kLongSignature, sizeof(kLongSignature)), | |
| 646 CryptoData(test_message), | |
| 647 &signature_match)); | |
| 648 EXPECT_FALSE(signature_match); | |
| 649 } | |
| 650 } | |
| 651 | |
| 652 TEST_F(SharedCryptoTest, AesCbcFailures) { | |
| 653 const std::string key_hex = "2b7e151628aed2a6abf7158809cf4f3c"; | |
| 654 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 655 HexStringToBytes(key_hex), | |
| 656 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 657 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 658 | |
| 659 // Verify exported raw key is identical to the imported data | |
| 660 blink::WebArrayBuffer raw_key; | |
| 661 EXPECT_STATUS_SUCCESS(ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 662 ExpectArrayBufferMatchesHex(key_hex, raw_key); | |
| 663 | |
| 664 blink::WebArrayBuffer output; | |
| 665 | |
| 666 // Use an invalid |iv| (fewer than 16 bytes) | |
| 667 { | |
| 668 std::vector<uint8> input(32); | |
| 669 std::vector<uint8> iv; | |
| 670 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), | |
| 671 Encrypt(webcrypto::CreateAesCbcAlgorithm(iv), | |
| 672 key, | |
| 673 CryptoData(input), | |
| 674 &output)); | |
| 675 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), | |
| 676 Decrypt(webcrypto::CreateAesCbcAlgorithm(iv), | |
| 677 key, | |
| 678 CryptoData(input), | |
| 679 &output)); | |
| 680 } | |
| 681 | |
| 682 // Use an invalid |iv| (more than 16 bytes) | |
| 683 { | |
| 684 std::vector<uint8> input(32); | |
| 685 std::vector<uint8> iv(17); | |
| 686 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), | |
| 687 Encrypt(webcrypto::CreateAesCbcAlgorithm(iv), | |
| 688 key, | |
| 689 CryptoData(input), | |
| 690 &output)); | |
| 691 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), | |
| 692 Decrypt(webcrypto::CreateAesCbcAlgorithm(iv), | |
| 693 key, | |
| 694 CryptoData(input), | |
| 695 &output)); | |
| 696 } | |
| 697 | |
| 698 // Give an input that is too large (would cause integer overflow when | |
| 699 // narrowing to an int). | |
| 700 { | |
| 701 std::vector<uint8> iv(16); | |
| 702 | |
| 703 // Pretend the input is large. Don't pass data pointer as NULL in case that | |
| 704 // is special cased; the implementation shouldn't actually dereference the | |
| 705 // data. | |
| 706 CryptoData input(&iv[0], INT_MAX - 3); | |
| 707 | |
| 708 EXPECT_STATUS(Status::ErrorDataTooLarge(), | |
| 709 Encrypt(CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 710 EXPECT_STATUS(Status::ErrorDataTooLarge(), | |
| 711 Decrypt(CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 712 } | |
| 713 | |
| 714 // Fail importing the key (too few bytes specified) | |
| 715 { | |
| 716 std::vector<uint8> key_raw(1); | |
| 717 std::vector<uint8> iv(16); | |
| 718 | |
| 719 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 720 EXPECT_STATUS(Status::Error(), | |
| 721 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 722 CryptoData(key_raw), | |
| 723 CreateAesCbcAlgorithm(iv), | |
| 724 true, | |
| 725 blink::WebCryptoKeyUsageEncrypt, | |
| 726 &key)); | |
| 727 } | |
| 728 | |
| 729 // Fail exporting the key in SPKI and PKCS#8 formats (not allowed for secret | |
| 730 // keys). | |
| 731 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 732 ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 733 EXPECT_STATUS(Status::ErrorUnsupported(), | |
| 734 ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &output)); | |
| 735 } | |
| 736 | |
| 737 TEST_F(SharedCryptoTest, MAYBE(AesCbcSampleSets)) { | |
| 738 scoped_ptr<base::ListValue> tests; | |
| 739 ASSERT_TRUE(ReadJsonTestFileToList("aes_cbc.json", &tests)); | |
| 740 | |
| 741 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 742 SCOPED_TRACE(test_index); | |
| 743 base::DictionaryValue* test; | |
| 744 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 745 | |
| 746 std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 747 std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); | |
| 748 std::vector<uint8> test_plain_text = | |
| 749 GetBytesFromHexString(test, "plain_text"); | |
| 750 std::vector<uint8> test_cipher_text = | |
| 751 GetBytesFromHexString(test, "cipher_text"); | |
| 752 | |
| 753 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 754 test_key, | |
| 755 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 756 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 757 | |
| 758 EXPECT_EQ(test_key.size() * 8, key.algorithm().aesParams()->lengthBits()); | |
| 759 | |
| 760 // Verify exported raw key is identical to the imported data | |
| 761 blink::WebArrayBuffer raw_key; | |
| 762 EXPECT_STATUS_SUCCESS( | |
| 763 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 764 ExpectArrayBufferMatches(test_key, raw_key); | |
| 765 | |
| 766 blink::WebArrayBuffer output; | |
| 767 | |
| 768 // Test encryption. | |
| 769 EXPECT_STATUS(Status::Success(), | |
| 770 Encrypt(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 771 key, | |
| 772 CryptoData(test_plain_text), | |
| 773 &output)); | |
| 774 ExpectArrayBufferMatches(test_cipher_text, output); | |
| 775 | |
| 776 // Test decryption. | |
| 777 EXPECT_STATUS(Status::Success(), | |
| 778 Decrypt(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 779 key, | |
| 780 CryptoData(test_cipher_text), | |
| 781 &output)); | |
| 782 ExpectArrayBufferMatches(test_plain_text, output); | |
| 783 | |
| 784 const unsigned int kAesCbcBlockSize = 16; | |
| 785 | |
| 786 // Decrypt with a padding error by stripping the last block. This also ends | |
| 787 // up testing decryption over empty cipher text. | |
| 788 if (test_cipher_text.size() >= kAesCbcBlockSize) { | |
| 789 EXPECT_STATUS( | |
| 790 Status::Error(), | |
| 791 Decrypt(CreateAesCbcAlgorithm(test_iv), | |
| 792 key, | |
| 793 CryptoData(&test_cipher_text[0], | |
| 794 test_cipher_text.size() - kAesCbcBlockSize), | |
| 795 &output)); | |
| 796 } | |
| 797 | |
| 798 // Decrypt cipher text which is not a multiple of block size by stripping | |
| 799 // a few bytes off the cipher text. | |
| 800 if (test_cipher_text.size() > 3) { | |
| 801 EXPECT_STATUS( | |
| 802 Status::Error(), | |
| 803 Decrypt(CreateAesCbcAlgorithm(test_iv), | |
| 804 key, | |
| 805 CryptoData(&test_cipher_text[0], test_cipher_text.size() - 3), | |
| 806 &output)); | |
| 807 } | |
| 808 } | |
| 809 } | |
| 810 | |
| 811 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyAes)) { | |
| 812 // Check key generation for each of AES-CBC, AES-GCM, and AES-KW, and for each | |
| 813 // allowed key length. | |
| 814 std::vector<blink::WebCryptoAlgorithm> algorithm; | |
| 815 const unsigned short kKeyLength[] = {128, 192, 256}; | |
| 816 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLength); ++i) { | |
| 817 algorithm.push_back(CreateAesCbcKeyGenAlgorithm(kKeyLength[i])); | |
| 818 algorithm.push_back(CreateAesGcmKeyGenAlgorithm(kKeyLength[i])); | |
| 819 algorithm.push_back(CreateAesKwKeyGenAlgorithm(kKeyLength[i])); | |
| 820 } | |
| 821 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 822 std::vector<blink::WebArrayBuffer> keys; | |
| 823 blink::WebArrayBuffer key_bytes; | |
| 824 for (size_t i = 0; i < algorithm.size(); ++i) { | |
| 825 SCOPED_TRACE(i); | |
| 826 // Generate a small sample of keys. | |
| 827 keys.clear(); | |
| 828 for (int j = 0; j < 16; ++j) { | |
| 829 ASSERT_STATUS_SUCCESS(GenerateSecretKey(algorithm[i], true, 0, &key)); | |
| 830 EXPECT_TRUE(key.handle()); | |
| 831 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 832 ASSERT_STATUS_SUCCESS( | |
| 833 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_bytes)); | |
| 834 EXPECT_EQ(key_bytes.byteLength() * 8, | |
| 835 key.algorithm().aesParams()->lengthBits()); | |
| 836 keys.push_back(key_bytes); | |
| 837 } | |
| 838 // Ensure all entries in the key sample set are unique. This is a simplistic | |
| 839 // estimate of whether the generated keys appear random. | |
| 840 EXPECT_FALSE(CopiesExist(keys)); | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyAesBadLength)) { | |
| 845 const unsigned short kKeyLen[] = {0, 127, 257}; | |
| 846 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 847 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLen); ++i) { | |
| 848 SCOPED_TRACE(i); | |
| 849 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), | |
| 850 GenerateSecretKey( | |
| 851 CreateAesCbcKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); | |
| 852 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), | |
| 853 GenerateSecretKey( | |
| 854 CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); | |
| 855 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), | |
| 856 GenerateSecretKey( | |
| 857 CreateAesKwKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); | |
| 858 } | |
| 859 } | |
| 860 | |
| 861 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyHmac)) { | |
| 862 // Generate a small sample of HMAC keys. | |
| 863 std::vector<blink::WebArrayBuffer> keys; | |
| 864 for (int i = 0; i < 16; ++i) { | |
| 865 blink::WebArrayBuffer key_bytes; | |
| 866 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 867 blink::WebCryptoAlgorithm algorithm = | |
| 868 CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha1, 64); | |
| 869 ASSERT_STATUS_SUCCESS(GenerateSecretKey(algorithm, true, 0, &key)); | |
| 870 EXPECT_FALSE(key.isNull()); | |
| 871 EXPECT_TRUE(key.handle()); | |
| 872 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 873 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); | |
| 874 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, | |
| 875 key.algorithm().hmacParams()->hash().id()); | |
| 876 | |
| 877 blink::WebArrayBuffer raw_key; | |
| 878 ASSERT_STATUS_SUCCESS( | |
| 879 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 880 EXPECT_EQ(64U, raw_key.byteLength()); | |
| 881 keys.push_back(raw_key); | |
| 882 } | |
| 883 // Ensure all entries in the key sample set are unique. This is a simplistic | |
| 884 // estimate of whether the generated keys appear random. | |
| 885 EXPECT_FALSE(CopiesExist(keys)); | |
| 886 } | |
| 887 | |
| 888 // If the key length is not provided, then the block size is used. | |
| 889 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyHmacNoLength)) { | |
| 890 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 891 blink::WebCryptoAlgorithm algorithm = | |
| 892 CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha1, 0); | |
| 893 ASSERT_STATUS_SUCCESS(GenerateSecretKey(algorithm, true, 0, &key)); | |
| 894 EXPECT_TRUE(key.handle()); | |
| 895 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 896 blink::WebArrayBuffer raw_key; | |
| 897 ASSERT_STATUS_SUCCESS(ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 898 EXPECT_EQ(64U, raw_key.byteLength()); | |
| 899 | |
| 900 // The block size for HMAC SHA-512 is larger. | |
| 901 algorithm = CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha512, 0); | |
| 902 ASSERT_STATUS_SUCCESS(GenerateSecretKey(algorithm, true, 0, &key)); | |
| 903 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha512, | |
| 904 key.algorithm().hmacParams()->hash().id()); | |
| 905 ASSERT_STATUS_SUCCESS(ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 906 EXPECT_EQ(128U, raw_key.byteLength()); | |
| 907 } | |
| 908 | |
| 909 TEST_F(SharedCryptoTest, MAYBE(ImportSecretKeyNoAlgorithm)) { | |
| 910 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 911 | |
| 912 // This fails because the algorithm is null. | |
| 913 EXPECT_STATUS(Status::ErrorMissingAlgorithmImportRawKey(), | |
| 914 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 915 CryptoData(HexStringToBytes("00000000000000000000")), | |
| 916 blink::WebCryptoAlgorithm::createNull(), | |
| 917 true, | |
| 918 blink::WebCryptoKeyUsageEncrypt, | |
| 919 &key)); | |
| 920 } | |
| 921 | |
| 922 TEST_F(SharedCryptoTest, ImportJwkFailures) { | |
| 923 | |
| 924 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 925 blink::WebCryptoAlgorithm algorithm = | |
| 926 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); | |
| 927 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 928 | |
| 929 // Baseline pass: each test below breaks a single item, so we start with a | |
| 930 // passing case to make sure each failure is caused by the isolated break. | |
| 931 // Each breaking subtest below resets the dictionary to this passing case when | |
| 932 // complete. | |
| 933 base::DictionaryValue dict; | |
| 934 RestoreJwkOctDictionary(&dict); | |
| 935 EXPECT_STATUS_SUCCESS( | |
| 936 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 937 | |
| 938 // Fail on empty JSON. | |
| 939 EXPECT_STATUS( | |
| 940 Status::ErrorImportEmptyKeyData(), | |
| 941 ImportKeyJwk( | |
| 942 CryptoData(MakeJsonVector("")), algorithm, false, usage_mask, &key)); | |
| 943 | |
| 944 // Fail on invalid JSON. | |
| 945 const std::vector<uint8> bad_json_vec = MakeJsonVector( | |
| 946 "{" | |
| 947 "\"kty\" : \"oct\"," | |
| 948 "\"alg\" : \"HS256\"," | |
| 949 "\"use\" : "); | |
| 950 EXPECT_STATUS( | |
| 951 Status::ErrorJwkNotDictionary(), | |
| 952 ImportKeyJwk( | |
| 953 CryptoData(bad_json_vec), algorithm, false, usage_mask, &key)); | |
| 954 | |
| 955 // Fail on JWK alg present but unrecognized. | |
| 956 dict.SetString("alg", "A127CBC"); | |
| 957 EXPECT_STATUS(Status::ErrorJwkUnrecognizedAlgorithm(), | |
| 958 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 959 RestoreJwkOctDictionary(&dict); | |
| 960 | |
| 961 // Fail on both JWK and input algorithm missing. | |
| 962 dict.Remove("alg", NULL); | |
| 963 EXPECT_STATUS(Status::ErrorJwkAlgorithmMissing(), | |
| 964 ImportKeyJwkFromDict(dict, | |
| 965 blink::WebCryptoAlgorithm::createNull(), | |
| 966 false, | |
| 967 usage_mask, | |
| 968 &key)); | |
| 969 RestoreJwkOctDictionary(&dict); | |
| 970 | |
| 971 // Fail on invalid kty. | |
| 972 dict.SetString("kty", "foo"); | |
| 973 EXPECT_STATUS(Status::ErrorJwkUnrecognizedKty(), | |
| 974 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 975 RestoreJwkOctDictionary(&dict); | |
| 976 | |
| 977 // Fail on missing kty. | |
| 978 dict.Remove("kty", NULL); | |
| 979 EXPECT_STATUS(Status::ErrorJwkPropertyMissing("kty"), | |
| 980 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 981 RestoreJwkOctDictionary(&dict); | |
| 982 | |
| 983 // Fail on kty wrong type. | |
| 984 dict.SetDouble("kty", 0.1); | |
| 985 EXPECT_STATUS(Status::ErrorJwkPropertyWrongType("kty", "string"), | |
| 986 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 987 RestoreJwkOctDictionary(&dict); | |
| 988 | |
| 989 // Fail on invalid use. | |
| 990 dict.SetString("use", "foo"); | |
| 991 EXPECT_STATUS(Status::ErrorJwkUnrecognizedUsage(), | |
| 992 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 993 RestoreJwkOctDictionary(&dict); | |
| 994 | |
| 995 // Fail on invalid use (wrong type). | |
| 996 dict.SetBoolean("use", true); | |
| 997 EXPECT_STATUS(Status::ErrorJwkPropertyWrongType("use", "string"), | |
| 998 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 999 RestoreJwkOctDictionary(&dict); | |
| 1000 | |
| 1001 // Fail on invalid extractable (wrong type). | |
| 1002 dict.SetInteger("extractable", 0); | |
| 1003 EXPECT_STATUS(Status::ErrorJwkPropertyWrongType("extractable", "boolean"), | |
| 1004 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1005 RestoreJwkOctDictionary(&dict); | |
| 1006 } | |
| 1007 | |
| 1008 TEST_F(SharedCryptoTest, ImportJwkOctFailures) { | |
| 1009 | |
| 1010 base::DictionaryValue dict; | |
| 1011 RestoreJwkOctDictionary(&dict); | |
| 1012 blink::WebCryptoAlgorithm algorithm = | |
| 1013 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); | |
| 1014 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 1015 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1016 | |
| 1017 // Baseline pass. | |
| 1018 EXPECT_STATUS_SUCCESS( | |
| 1019 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1020 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 1021 EXPECT_FALSE(key.extractable()); | |
| 1022 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1023 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 1024 | |
| 1025 // The following are specific failure cases for when kty = "oct". | |
| 1026 | |
| 1027 // Fail on missing k. | |
| 1028 dict.Remove("k", NULL); | |
| 1029 EXPECT_STATUS(Status::ErrorJwkPropertyMissing("k"), | |
| 1030 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1031 RestoreJwkOctDictionary(&dict); | |
| 1032 | |
| 1033 // Fail on bad b64 encoding for k. | |
| 1034 dict.SetString("k", "Qk3f0DsytU8lfza2au #$% Htaw2xpop9GYyTuH0p5GghxTI="); | |
| 1035 EXPECT_STATUS(Status::ErrorJwkBase64Decode("k"), | |
| 1036 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1037 RestoreJwkOctDictionary(&dict); | |
| 1038 | |
| 1039 // Fail on empty k. | |
| 1040 dict.SetString("k", ""); | |
| 1041 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), | |
| 1042 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1043 RestoreJwkOctDictionary(&dict); | |
| 1044 | |
| 1045 // Fail on k actual length (120 bits) inconsistent with the embedded JWK alg | |
| 1046 // value (128) for an AES key. | |
| 1047 dict.SetString("k", "AVj42h0Y5aqGtE3yluKL"); | |
| 1048 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), | |
| 1049 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1050 RestoreJwkOctDictionary(&dict); | |
| 1051 | |
| 1052 // Fail on k actual length (192 bits) inconsistent with the embedded JWK alg | |
| 1053 // value (128) for an AES key. | |
| 1054 dict.SetString("k", "dGhpcyAgaXMgIDI0ICBieXRlcyBsb25n"); | |
| 1055 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), | |
| 1056 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1057 RestoreJwkOctDictionary(&dict); | |
| 1058 } | |
| 1059 | |
| 1060 TEST_F(SharedCryptoTest, MAYBE(ImportJwkRsaFailures)) { | |
| 1061 | |
| 1062 base::DictionaryValue dict; | |
| 1063 RestoreJwkRsaDictionary(&dict); | |
| 1064 blink::WebCryptoAlgorithm algorithm = | |
| 1065 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1066 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 1067 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1068 | |
| 1069 // An RSA public key JWK _must_ have an "n" (modulus) and an "e" (exponent) | |
| 1070 // entry, while an RSA private key must have those plus at least a "d" | |
| 1071 // (private exponent) entry. | |
| 1072 // See http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-18, | |
| 1073 // section 6.3. | |
| 1074 | |
| 1075 // Baseline pass. | |
| 1076 EXPECT_STATUS_SUCCESS( | |
| 1077 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1078 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 1079 EXPECT_FALSE(key.extractable()); | |
| 1080 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1081 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); | |
| 1082 | |
| 1083 // The following are specific failure cases for when kty = "RSA". | |
| 1084 | |
| 1085 // Fail if either "n" or "e" is not present or malformed. | |
| 1086 const std::string kKtyParmName[] = {"n", "e"}; | |
| 1087 for (size_t idx = 0; idx < ARRAYSIZE_UNSAFE(kKtyParmName); ++idx) { | |
| 1088 | |
| 1089 // Fail on missing parameter. | |
| 1090 dict.Remove(kKtyParmName[idx], NULL); | |
| 1091 EXPECT_STATUS_ERROR( | |
| 1092 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1093 RestoreJwkRsaDictionary(&dict); | |
| 1094 | |
| 1095 // Fail on bad b64 parameter encoding. | |
| 1096 dict.SetString(kKtyParmName[idx], "Qk3f0DsytU8lfza2au #$% Htaw2xpop9yTuH0"); | |
| 1097 EXPECT_STATUS_ERROR( | |
| 1098 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1099 RestoreJwkRsaDictionary(&dict); | |
| 1100 | |
| 1101 // Fail on empty parameter. | |
| 1102 dict.SetString(kKtyParmName[idx], ""); | |
| 1103 EXPECT_STATUS_ERROR( | |
| 1104 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1105 RestoreJwkRsaDictionary(&dict); | |
| 1106 } | |
| 1107 | |
| 1108 // Fail if "d" parameter is present, implying the JWK is a private key, which | |
| 1109 // is not supported. | |
| 1110 dict.SetString("d", "Qk3f0Dsyt"); | |
| 1111 EXPECT_STATUS(Status::ErrorJwkRsaPrivateKeyUnsupported(), | |
| 1112 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1113 RestoreJwkRsaDictionary(&dict); | |
| 1114 } | |
| 1115 | |
| 1116 TEST_F(SharedCryptoTest, MAYBE(ImportJwkInputConsistency)) { | |
| 1117 // The Web Crypto spec says that if a JWK value is present, but is | |
| 1118 // inconsistent with the input value, the operation must fail. | |
| 1119 | |
| 1120 // Consistency rules when JWK value is not present: Inputs should be used. | |
| 1121 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1122 bool extractable = false; | |
| 1123 blink::WebCryptoAlgorithm algorithm = | |
| 1124 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); | |
| 1125 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageVerify; | |
| 1126 base::DictionaryValue dict; | |
| 1127 dict.SetString("kty", "oct"); | |
| 1128 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1129 std::vector<uint8> json_vec = MakeJsonVector(dict); | |
| 1130 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1131 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); | |
| 1132 EXPECT_TRUE(key.handle()); | |
| 1133 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 1134 EXPECT_EQ(extractable, key.extractable()); | |
| 1135 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); | |
| 1136 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1137 key.algorithm().hmacParams()->hash().id()); | |
| 1138 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages()); | |
| 1139 key = blink::WebCryptoKey::createNull(); | |
| 1140 | |
| 1141 // Consistency rules when JWK value exists: Fail if inconsistency is found. | |
| 1142 | |
| 1143 // Pass: All input values are consistent with the JWK values. | |
| 1144 dict.Clear(); | |
| 1145 dict.SetString("kty", "oct"); | |
| 1146 dict.SetString("alg", "HS256"); | |
| 1147 dict.SetString("use", "sig"); | |
| 1148 dict.SetBoolean("extractable", false); | |
| 1149 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1150 json_vec = MakeJsonVector(dict); | |
| 1151 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1152 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); | |
| 1153 | |
| 1154 // Extractable cases: | |
| 1155 // 1. input=T, JWK=F ==> fail (inconsistent) | |
| 1156 // 4. input=F, JWK=F ==> pass, result extractable is F | |
| 1157 // 2. input=T, JWK=T ==> pass, result extractable is T | |
| 1158 // 3. input=F, JWK=T ==> pass, result extractable is F | |
| 1159 EXPECT_STATUS( | |
| 1160 Status::ErrorJwkExtractableInconsistent(), | |
| 1161 ImportKeyJwk(CryptoData(json_vec), algorithm, true, usage_mask, &key)); | |
| 1162 EXPECT_STATUS_SUCCESS( | |
| 1163 ImportKeyJwk(CryptoData(json_vec), algorithm, false, usage_mask, &key)); | |
| 1164 EXPECT_FALSE(key.extractable()); | |
| 1165 dict.SetBoolean("extractable", true); | |
| 1166 EXPECT_STATUS_SUCCESS( | |
| 1167 ImportKeyJwkFromDict(dict, algorithm, true, usage_mask, &key)); | |
| 1168 EXPECT_TRUE(key.extractable()); | |
| 1169 EXPECT_STATUS_SUCCESS( | |
| 1170 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); | |
| 1171 EXPECT_FALSE(key.extractable()); | |
| 1172 dict.SetBoolean("extractable", true); // restore previous value | |
| 1173 | |
| 1174 // Fail: Input algorithm (AES-CBC) is inconsistent with JWK value | |
| 1175 // (HMAC SHA256). | |
| 1176 EXPECT_STATUS(Status::ErrorJwkAlgorithmInconsistent(), | |
| 1177 ImportKeyJwk(CryptoData(json_vec), | |
| 1178 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1179 extractable, | |
| 1180 usage_mask, | |
| 1181 &key)); | |
| 1182 | |
| 1183 // Fail: Input algorithm (HMAC SHA1) is inconsistent with JWK value | |
| 1184 // (HMAC SHA256). | |
| 1185 EXPECT_STATUS( | |
| 1186 Status::ErrorJwkAlgorithmInconsistent(), | |
| 1187 ImportKeyJwk(CryptoData(json_vec), | |
| 1188 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1), | |
| 1189 extractable, | |
| 1190 usage_mask, | |
| 1191 &key)); | |
| 1192 | |
| 1193 // Pass: JWK alg valid but input algorithm isNull: use JWK algorithm value. | |
| 1194 EXPECT_STATUS_SUCCESS(ImportKeyJwk(CryptoData(json_vec), | |
| 1195 blink::WebCryptoAlgorithm::createNull(), | |
| 1196 extractable, | |
| 1197 usage_mask, | |
| 1198 &key)); | |
| 1199 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, algorithm.id()); | |
| 1200 | |
| 1201 // Pass: JWK alg missing but input algorithm specified: use input value | |
| 1202 dict.Remove("alg", NULL); | |
| 1203 EXPECT_STATUS_SUCCESS(ImportKeyJwkFromDict( | |
| 1204 dict, | |
| 1205 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256), | |
| 1206 extractable, | |
| 1207 usage_mask, | |
| 1208 &key)); | |
| 1209 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, algorithm.id()); | |
| 1210 dict.SetString("alg", "HS256"); | |
| 1211 | |
| 1212 // Fail: Input usage_mask (encrypt) is not a subset of the JWK value | |
| 1213 // (sign|verify) | |
| 1214 EXPECT_STATUS(Status::ErrorJwkUsageInconsistent(), | |
| 1215 ImportKeyJwk(CryptoData(json_vec), | |
| 1216 algorithm, | |
| 1217 extractable, | |
| 1218 blink::WebCryptoKeyUsageEncrypt, | |
| 1219 &key)); | |
| 1220 | |
| 1221 // Fail: Input usage_mask (encrypt|sign|verify) is not a subset of the JWK | |
| 1222 // value (sign|verify) | |
| 1223 usage_mask = blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageSign | | |
| 1224 blink::WebCryptoKeyUsageVerify; | |
| 1225 EXPECT_STATUS( | |
| 1226 Status::ErrorJwkUsageInconsistent(), | |
| 1227 ImportKeyJwk( | |
| 1228 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); | |
| 1229 | |
| 1230 // TODO(padolph): kty vs alg consistency tests: Depending on the kty value, | |
| 1231 // only certain alg values are permitted. For example, when kty = "RSA" alg | |
| 1232 // must be of the RSA family, or when kty = "oct" alg must be symmetric | |
| 1233 // algorithm. | |
| 1234 } | |
| 1235 | |
| 1236 TEST_F(SharedCryptoTest, MAYBE(ImportJwkHappy)) { | |
| 1237 | |
| 1238 // This test verifies the happy path of JWK import, including the application | |
| 1239 // of the imported key material. | |
| 1240 | |
| 1241 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1242 bool extractable = false; | |
| 1243 blink::WebCryptoAlgorithm algorithm = | |
| 1244 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); | |
| 1245 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageSign; | |
| 1246 | |
| 1247 // Import a symmetric key JWK and HMAC-SHA256 sign() | |
| 1248 // Uses the first SHA256 test vector from the HMAC sample set above. | |
| 1249 | |
| 1250 base::DictionaryValue dict; | |
| 1251 dict.SetString("kty", "oct"); | |
| 1252 dict.SetString("alg", "HS256"); | |
| 1253 dict.SetString("use", "sig"); | |
| 1254 dict.SetBoolean("extractable", false); | |
| 1255 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1256 | |
| 1257 ASSERT_STATUS_SUCCESS( | |
| 1258 ImportKeyJwkFromDict(dict, algorithm, extractable, usage_mask, &key)); | |
| 1259 | |
| 1260 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1261 key.algorithm().hmacParams()->hash().id()); | |
| 1262 | |
| 1263 const std::vector<uint8> message_raw = HexStringToBytes( | |
| 1264 "b1689c2591eaf3c9e66070f8a77954ffb81749f1b00346f9dfe0b2ee905dcc288baf4a" | |
| 1265 "92de3f4001dd9f44c468c3d07d6c6ee82faceafc97c2fc0fc0601719d2dcd0aa2aec92" | |
| 1266 "d1b0ae933c65eb06a03c9c935c2bad0459810241347ab87e9f11adb30415424c6c7f5f" | |
| 1267 "22a003b8ab8de54f6ded0e3ab9245fa79568451dfa258e"); | |
| 1268 | |
| 1269 blink::WebArrayBuffer output; | |
| 1270 | |
| 1271 ASSERT_STATUS_SUCCESS(Sign(CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac), | |
| 1272 key, | |
| 1273 CryptoData(message_raw), | |
| 1274 &output)); | |
| 1275 | |
| 1276 const std::string mac_raw = | |
| 1277 "769f00d3e6a6cc1fb426a14a4f76c6462e6149726e0dee0ec0cf97a16605ac8b"; | |
| 1278 | |
| 1279 ExpectArrayBufferMatchesHex(mac_raw, output); | |
| 1280 | |
| 1281 // TODO(padolph): Import an RSA public key JWK and use it | |
| 1282 } | |
| 1283 | |
| 1284 TEST_F(SharedCryptoTest, MAYBE(ImportExportSpki)) { | |
| 1285 // Passing case: Import a valid RSA key in SPKI format. | |
| 1286 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1287 ASSERT_STATUS_SUCCESS( | |
| 1288 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1289 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), | |
| 1290 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1291 true, | |
| 1292 blink::WebCryptoKeyUsageEncrypt, | |
| 1293 &key)); | |
| 1294 EXPECT_TRUE(key.handle()); | |
| 1295 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); | |
| 1296 EXPECT_TRUE(key.extractable()); | |
| 1297 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1298 EXPECT_EQ(kModulusLength, key.algorithm().rsaParams()->modulusLengthBits()); | |
| 1299 ExpectCryptoDataMatchesHex( | |
| 1300 "010001", CryptoData(key.algorithm().rsaParams()->publicExponent())); | |
| 1301 | |
| 1302 // Failing case: Empty SPKI data | |
| 1303 EXPECT_STATUS(Status::ErrorImportEmptyKeyData(), | |
| 1304 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1305 CryptoData(std::vector<uint8>()), | |
| 1306 blink::WebCryptoAlgorithm::createNull(), | |
| 1307 true, | |
| 1308 blink::WebCryptoKeyUsageEncrypt, | |
| 1309 &key)); | |
| 1310 | |
| 1311 // Failing case: Import RSA key with NULL input algorithm. This is not | |
| 1312 // allowed because the SPKI ASN.1 format for RSA keys is not specific enough | |
| 1313 // to map to a Web Crypto algorithm. | |
| 1314 EXPECT_STATUS(Status::Error(), | |
| 1315 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1316 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), | |
| 1317 blink::WebCryptoAlgorithm::createNull(), | |
| 1318 true, | |
| 1319 blink::WebCryptoKeyUsageEncrypt, | |
| 1320 &key)); | |
| 1321 | |
| 1322 // Failing case: Bad DER encoding. | |
| 1323 EXPECT_STATUS( | |
| 1324 Status::Error(), | |
| 1325 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1326 CryptoData(HexStringToBytes("618333c4cb")), | |
| 1327 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1328 true, | |
| 1329 blink::WebCryptoKeyUsageEncrypt, | |
| 1330 &key)); | |
| 1331 | |
| 1332 // Failing case: Import RSA key but provide an inconsistent input algorithm. | |
| 1333 EXPECT_STATUS(Status::Error(), | |
| 1334 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1335 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), | |
| 1336 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1337 true, | |
| 1338 blink::WebCryptoKeyUsageEncrypt, | |
| 1339 &key)); | |
| 1340 | |
| 1341 // Passing case: Export a previously imported RSA public key in SPKI format | |
| 1342 // and compare to original data. | |
| 1343 blink::WebArrayBuffer output; | |
| 1344 ASSERT_STATUS_SUCCESS(ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 1345 ExpectArrayBufferMatchesHex(kPublicKeySpkiDerHex, output); | |
| 1346 | |
| 1347 // Failing case: Try to export a previously imported RSA public key in raw | |
| 1348 // format (not allowed for a public key). | |
| 1349 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1350 ExportKey(blink::WebCryptoKeyFormatRaw, key, &output)); | |
| 1351 | |
| 1352 // Failing case: Try to export a non-extractable key | |
| 1353 ASSERT_STATUS_SUCCESS( | |
| 1354 ImportKey(blink::WebCryptoKeyFormatSpki, | |
| 1355 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), | |
| 1356 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1357 false, | |
| 1358 blink::WebCryptoKeyUsageEncrypt, | |
| 1359 &key)); | |
| 1360 EXPECT_TRUE(key.handle()); | |
| 1361 EXPECT_FALSE(key.extractable()); | |
| 1362 EXPECT_STATUS(Status::ErrorKeyNotExtractable(), | |
| 1363 ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 1364 } | |
| 1365 | |
| 1366 TEST_F(SharedCryptoTest, MAYBE(ImportPkcs8)) { | |
| 1367 // Passing case: Import a valid RSA key in PKCS#8 format. | |
| 1368 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1369 ASSERT_STATUS_SUCCESS(ImportKey( | |
| 1370 blink::WebCryptoKeyFormatPkcs8, | |
| 1371 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), | |
| 1372 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1373 blink::WebCryptoAlgorithmIdSha1), | |
| 1374 true, | |
| 1375 blink::WebCryptoKeyUsageSign, | |
| 1376 &key)); | |
| 1377 EXPECT_TRUE(key.handle()); | |
| 1378 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, key.type()); | |
| 1379 EXPECT_TRUE(key.extractable()); | |
| 1380 EXPECT_EQ(blink::WebCryptoKeyUsageSign, key.usages()); | |
| 1381 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, | |
| 1382 key.algorithm().rsaHashedParams()->hash().id()); | |
| 1383 EXPECT_EQ(kModulusLength, | |
| 1384 key.algorithm().rsaHashedParams()->modulusLengthBits()); | |
| 1385 ExpectCryptoDataMatchesHex( | |
| 1386 "010001", | |
| 1387 CryptoData(key.algorithm().rsaHashedParams()->publicExponent())); | |
| 1388 | |
| 1389 // Failing case: Empty PKCS#8 data | |
| 1390 EXPECT_STATUS(Status::ErrorImportEmptyKeyData(), | |
| 1391 ImportKey(blink::WebCryptoKeyFormatPkcs8, | |
| 1392 CryptoData(std::vector<uint8>()), | |
| 1393 blink::WebCryptoAlgorithm::createNull(), | |
| 1394 true, | |
| 1395 blink::WebCryptoKeyUsageSign, | |
| 1396 &key)); | |
| 1397 | |
| 1398 // Failing case: Import RSA key with NULL input algorithm. This is not | |
| 1399 // allowed because the PKCS#8 ASN.1 format for RSA keys is not specific enough | |
| 1400 // to map to a Web Crypto algorithm. | |
| 1401 EXPECT_STATUS(Status::Error(), | |
| 1402 ImportKey(blink::WebCryptoKeyFormatPkcs8, | |
| 1403 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), | |
| 1404 blink::WebCryptoAlgorithm::createNull(), | |
| 1405 true, | |
| 1406 blink::WebCryptoKeyUsageSign, | |
| 1407 &key)); | |
| 1408 | |
| 1409 // Failing case: Bad DER encoding. | |
| 1410 EXPECT_STATUS( | |
| 1411 Status::Error(), | |
| 1412 ImportKey(blink::WebCryptoKeyFormatPkcs8, | |
| 1413 CryptoData(HexStringToBytes("618333c4cb")), | |
| 1414 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), | |
| 1415 true, | |
| 1416 blink::WebCryptoKeyUsageSign, | |
| 1417 &key)); | |
| 1418 | |
| 1419 // Failing case: Import RSA key but provide an inconsistent input algorithm. | |
| 1420 EXPECT_STATUS(Status::Error(), | |
| 1421 ImportKey(blink::WebCryptoKeyFormatPkcs8, | |
| 1422 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), | |
| 1423 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1424 true, | |
| 1425 blink::WebCryptoKeyUsageSign, | |
| 1426 &key)); | |
| 1427 } | |
| 1428 | |
| 1429 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyPairRsa)) { | |
| 1430 // Note: using unrealistic short key lengths here to avoid bogging down tests. | |
| 1431 | |
| 1432 // Successful WebCryptoAlgorithmIdRsaEsPkcs1v1_5 key generation. | |
| 1433 const unsigned int modulus_length = 256; | |
| 1434 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); | |
| 1435 blink::WebCryptoAlgorithm algorithm = | |
| 1436 CreateRsaKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1437 modulus_length, | |
| 1438 public_exponent); | |
| 1439 bool extractable = false; | |
| 1440 const blink::WebCryptoKeyUsageMask usage_mask = 0; | |
| 1441 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1442 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1443 ASSERT_STATUS_SUCCESS(GenerateKeyPair( | |
| 1444 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1445 EXPECT_FALSE(public_key.isNull()); | |
| 1446 EXPECT_FALSE(private_key.isNull()); | |
| 1447 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1448 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1449 EXPECT_TRUE(public_key.extractable()); | |
| 1450 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1451 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1452 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1453 | |
| 1454 // Fail with bad modulus. | |
| 1455 algorithm = CreateRsaKeyGenAlgorithm( | |
| 1456 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, 0, public_exponent); | |
| 1457 EXPECT_STATUS( | |
| 1458 Status::ErrorGenerateRsaZeroModulus(), | |
| 1459 GenerateKeyPair( | |
| 1460 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1461 | |
| 1462 // Fail with bad exponent: larger than unsigned long. | |
| 1463 unsigned int exponent_length = sizeof(unsigned long) + 1; // NOLINT | |
| 1464 const std::vector<uint8> long_exponent(exponent_length, 0x01); | |
| 1465 algorithm = CreateRsaKeyGenAlgorithm( | |
| 1466 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, modulus_length, long_exponent); | |
| 1467 EXPECT_STATUS( | |
| 1468 Status::ErrorGenerateKeyPublicExponent(), | |
| 1469 GenerateKeyPair( | |
| 1470 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1471 | |
| 1472 // Fail with bad exponent: empty. | |
| 1473 const std::vector<uint8> empty_exponent; | |
| 1474 algorithm = | |
| 1475 CreateRsaKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1476 modulus_length, | |
| 1477 empty_exponent); | |
| 1478 EXPECT_STATUS( | |
| 1479 Status::ErrorGenerateKeyPublicExponent(), | |
| 1480 GenerateKeyPair( | |
| 1481 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1482 | |
| 1483 // Fail with bad exponent: all zeros. | |
| 1484 std::vector<uint8> exponent_with_leading_zeros(15, 0x00); | |
| 1485 algorithm = | |
| 1486 CreateRsaKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1487 modulus_length, | |
| 1488 exponent_with_leading_zeros); | |
| 1489 EXPECT_STATUS( | |
| 1490 Status::ErrorGenerateKeyPublicExponent(), | |
| 1491 GenerateKeyPair( | |
| 1492 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1493 | |
| 1494 // Key generation success using exponent with leading zeros. | |
| 1495 exponent_with_leading_zeros.insert(exponent_with_leading_zeros.end(), | |
| 1496 public_exponent.begin(), | |
| 1497 public_exponent.end()); | |
| 1498 algorithm = | |
| 1499 CreateRsaKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1500 modulus_length, | |
| 1501 exponent_with_leading_zeros); | |
| 1502 EXPECT_STATUS_SUCCESS(GenerateKeyPair( | |
| 1503 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1504 EXPECT_FALSE(public_key.isNull()); | |
| 1505 EXPECT_FALSE(private_key.isNull()); | |
| 1506 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1507 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1508 EXPECT_TRUE(public_key.extractable()); | |
| 1509 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1510 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1511 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1512 | |
| 1513 // Successful WebCryptoAlgorithmIdRsaOaep key generation. | |
| 1514 algorithm = CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep, | |
| 1515 blink::WebCryptoAlgorithmIdSha256, | |
| 1516 modulus_length, | |
| 1517 public_exponent); | |
| 1518 EXPECT_STATUS_SUCCESS(GenerateKeyPair( | |
| 1519 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1520 EXPECT_FALSE(public_key.isNull()); | |
| 1521 EXPECT_FALSE(private_key.isNull()); | |
| 1522 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1523 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1524 EXPECT_EQ(modulus_length, | |
| 1525 public_key.algorithm().rsaHashedParams()->modulusLengthBits()); | |
| 1526 EXPECT_EQ(modulus_length, | |
| 1527 private_key.algorithm().rsaHashedParams()->modulusLengthBits()); | |
| 1528 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1529 public_key.algorithm().rsaHashedParams()->hash().id()); | |
| 1530 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1531 private_key.algorithm().rsaHashedParams()->hash().id()); | |
| 1532 EXPECT_TRUE(public_key.extractable()); | |
| 1533 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1534 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1535 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1536 | |
| 1537 // Successful WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 key generation. | |
| 1538 algorithm = | |
| 1539 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1540 blink::WebCryptoAlgorithmIdSha1, | |
| 1541 modulus_length, | |
| 1542 public_exponent); | |
| 1543 EXPECT_STATUS_SUCCESS( | |
| 1544 GenerateKeyPair(algorithm, false, usage_mask, &public_key, &private_key)); | |
| 1545 EXPECT_FALSE(public_key.isNull()); | |
| 1546 EXPECT_FALSE(private_key.isNull()); | |
| 1547 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1548 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1549 EXPECT_EQ(modulus_length, | |
| 1550 public_key.algorithm().rsaHashedParams()->modulusLengthBits()); | |
| 1551 EXPECT_EQ(modulus_length, | |
| 1552 private_key.algorithm().rsaHashedParams()->modulusLengthBits()); | |
| 1553 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, | |
| 1554 public_key.algorithm().rsaHashedParams()->hash().id()); | |
| 1555 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, | |
| 1556 private_key.algorithm().rsaHashedParams()->hash().id()); | |
| 1557 // Even though "extractable" was set to false, the public key remains | |
| 1558 // extractable. | |
| 1559 EXPECT_TRUE(public_key.extractable()); | |
| 1560 EXPECT_FALSE(private_key.extractable()); | |
| 1561 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1562 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1563 | |
| 1564 // Exporting a private key as SPKI format doesn't make sense. However this | |
| 1565 // will first fail because the key is not extractable. | |
| 1566 blink::WebArrayBuffer output; | |
| 1567 EXPECT_STATUS(Status::ErrorKeyNotExtractable(), | |
| 1568 ExportKey(blink::WebCryptoKeyFormatSpki, private_key, &output)); | |
| 1569 | |
| 1570 // Re-generate an extractable private_key and try to export it as SPKI format. | |
| 1571 // This should fail since spki is for public keys. | |
| 1572 EXPECT_STATUS_SUCCESS( | |
| 1573 GenerateKeyPair(algorithm, true, usage_mask, &public_key, &private_key)); | |
| 1574 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1575 ExportKey(blink::WebCryptoKeyFormatSpki, private_key, &output)); | |
| 1576 } | |
| 1577 | |
| 1578 TEST_F(SharedCryptoTest, MAYBE(RsaEsRoundTrip)) { | |
| 1579 // Import a key pair. | |
| 1580 blink::WebCryptoAlgorithm algorithm = | |
| 1581 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1582 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1583 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1584 ImportRsaKeyPair( | |
| 1585 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1586 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1587 algorithm, | |
| 1588 false, | |
| 1589 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1590 &public_key, | |
| 1591 &private_key); | |
| 1592 | |
| 1593 // Make a maximum-length data message. RSAES can operate on messages up to | |
| 1594 // length of k - 11 bytes, where k is the octet length of the RSA modulus. | |
| 1595 const unsigned int kMaxMsgSizeBytes = kModulusLength / 8 - 11; | |
| 1596 // There are two hex chars for each byte. | |
| 1597 const unsigned int kMsgHexSize = kMaxMsgSizeBytes * 2; | |
| 1598 char max_data_hex[kMsgHexSize + 1]; | |
| 1599 std::fill(&max_data_hex[0], &max_data_hex[0] + kMsgHexSize, 'a'); | |
| 1600 max_data_hex[kMsgHexSize] = '\0'; | |
| 1601 | |
| 1602 // Verify encrypt / decrypt round trip on a few messages. Note that RSA | |
| 1603 // encryption does not support empty input. | |
| 1604 algorithm = CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1605 const char* const kTestDataHex[] = {"ff", "0102030405060708090a0b0c0d0e0f", | |
| 1606 max_data_hex}; | |
| 1607 blink::WebArrayBuffer encrypted_data; | |
| 1608 blink::WebArrayBuffer decrypted_data; | |
| 1609 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestDataHex); ++i) { | |
| 1610 SCOPED_TRACE(i); | |
| 1611 EXPECT_STATUS_SUCCESS(Encrypt(algorithm, | |
| 1612 public_key, | |
| 1613 CryptoData(HexStringToBytes(kTestDataHex[i])), | |
| 1614 &encrypted_data)); | |
| 1615 EXPECT_EQ(kModulusLength / 8, encrypted_data.byteLength()); | |
| 1616 ASSERT_STATUS_SUCCESS(Decrypt( | |
| 1617 algorithm, private_key, CryptoData(encrypted_data), &decrypted_data)); | |
| 1618 ExpectArrayBufferMatchesHex(kTestDataHex[i], decrypted_data); | |
| 1619 } | |
| 1620 } | |
| 1621 | |
| 1622 TEST_F(SharedCryptoTest, MAYBE(RsaEsKnownAnswer)) { | |
| 1623 scoped_ptr<base::Value> json; | |
| 1624 ASSERT_TRUE(ReadJsonTestFile("rsa_es.json", &json)); | |
| 1625 base::DictionaryValue* test = NULL; | |
| 1626 ASSERT_TRUE(json->GetAsDictionary(&test)); | |
| 1627 | |
| 1628 // Because the random data in PKCS1.5 padding makes the encryption output non- | |
| 1629 // deterministic, we cannot easily do a typical known-answer test for RSA | |
| 1630 // encryption / decryption. Instead we will take a known-good encrypted | |
| 1631 // message, decrypt it, re-encrypt it, then decrypt again, verifying that the | |
| 1632 // original known cleartext is the result. | |
| 1633 | |
| 1634 const std::vector<uint8> rsa_spki_der = | |
| 1635 GetBytesFromHexString(test, "rsa_spki_der"); | |
| 1636 | |
| 1637 const std::vector<uint8> rsa_pkcs8_der = | |
| 1638 GetBytesFromHexString(test, "rsa_pkcs8_der"); | |
| 1639 const std::vector<uint8> ciphertext = | |
| 1640 GetBytesFromHexString(test, "ciphertext"); | |
| 1641 const std::vector<uint8> cleartext = GetBytesFromHexString(test, "cleartext"); | |
| 1642 | |
| 1643 // Import the key pair. | |
| 1644 blink::WebCryptoAlgorithm algorithm = | |
| 1645 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1646 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1647 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1648 ImportRsaKeyPair( | |
| 1649 rsa_spki_der, | |
| 1650 rsa_pkcs8_der, | |
| 1651 algorithm, | |
| 1652 false, | |
| 1653 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1654 &public_key, | |
| 1655 &private_key); | |
| 1656 | |
| 1657 // Decrypt the known-good ciphertext with the private key. As a check we must | |
| 1658 // get the known original cleartext. | |
| 1659 blink::WebArrayBuffer decrypted_data; | |
| 1660 ASSERT_STATUS_SUCCESS( | |
| 1661 Decrypt(algorithm, private_key, CryptoData(ciphertext), &decrypted_data)); | |
| 1662 EXPECT_FALSE(decrypted_data.isNull()); | |
| 1663 ExpectArrayBufferMatches(cleartext, decrypted_data); | |
| 1664 | |
| 1665 // Encrypt this decrypted data with the public key. | |
| 1666 blink::WebArrayBuffer encrypted_data; | |
| 1667 ASSERT_STATUS_SUCCESS(Encrypt( | |
| 1668 algorithm, public_key, CryptoData(decrypted_data), &encrypted_data)); | |
| 1669 EXPECT_EQ(128u, encrypted_data.byteLength()); | |
| 1670 | |
| 1671 // Finally, decrypt the newly encrypted result with the private key, and | |
| 1672 // compare to the known original cleartext. | |
| 1673 decrypted_data.reset(); | |
| 1674 ASSERT_STATUS_SUCCESS(Decrypt( | |
| 1675 algorithm, private_key, CryptoData(encrypted_data), &decrypted_data)); | |
| 1676 EXPECT_FALSE(decrypted_data.isNull()); | |
| 1677 ExpectArrayBufferMatches(cleartext, decrypted_data); | |
| 1678 } | |
| 1679 | |
| 1680 TEST_F(SharedCryptoTest, MAYBE(RsaEsFailures)) { | |
| 1681 // Import a key pair. | |
| 1682 blink::WebCryptoAlgorithm algorithm = | |
| 1683 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1684 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1685 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1686 ImportRsaKeyPair( | |
| 1687 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1688 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1689 algorithm, | |
| 1690 false, | |
| 1691 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1692 &public_key, | |
| 1693 &private_key); | |
| 1694 | |
| 1695 // Fail encrypt with a private key. | |
| 1696 blink::WebArrayBuffer encrypted_data; | |
| 1697 const std::string message_hex_str("0102030405060708090a0b0c0d0e0f"); | |
| 1698 const std::vector<uint8> message_hex(HexStringToBytes(message_hex_str)); | |
| 1699 EXPECT_STATUS( | |
| 1700 Status::ErrorUnexpectedKeyType(), | |
| 1701 Encrypt( | |
| 1702 algorithm, private_key, CryptoData(message_hex), &encrypted_data)); | |
| 1703 | |
| 1704 // Fail encrypt with empty message. | |
| 1705 EXPECT_STATUS(Status::Error(), | |
| 1706 Encrypt(algorithm, | |
| 1707 public_key, | |
| 1708 CryptoData(std::vector<uint8>()), | |
| 1709 &encrypted_data)); | |
| 1710 | |
| 1711 // Fail encrypt with message too large. RSAES can operate on messages up to | |
| 1712 // length of k - 11 bytes, where k is the octet length of the RSA modulus. | |
| 1713 const unsigned int kMaxMsgSizeBytes = kModulusLength / 8 - 11; | |
| 1714 EXPECT_STATUS( | |
| 1715 Status::ErrorDataTooLarge(), | |
| 1716 Encrypt(algorithm, | |
| 1717 public_key, | |
| 1718 CryptoData(std::vector<uint8>(kMaxMsgSizeBytes + 1, '0')), | |
| 1719 &encrypted_data)); | |
| 1720 | |
| 1721 // Generate encrypted data. | |
| 1722 EXPECT_STATUS( | |
| 1723 Status::Success(), | |
| 1724 Encrypt(algorithm, public_key, CryptoData(message_hex), &encrypted_data)); | |
| 1725 | |
| 1726 // Fail decrypt with a public key. | |
| 1727 blink::WebArrayBuffer decrypted_data; | |
| 1728 EXPECT_STATUS( | |
| 1729 Status::ErrorUnexpectedKeyType(), | |
| 1730 Decrypt( | |
| 1731 algorithm, public_key, CryptoData(encrypted_data), &decrypted_data)); | |
| 1732 | |
| 1733 // Corrupt encrypted data; ensure decrypt fails because padding was disrupted. | |
| 1734 std::vector<uint8> corrupted_data( | |
| 1735 static_cast<uint8*>(encrypted_data.data()), | |
| 1736 static_cast<uint8*>(encrypted_data.data()) + encrypted_data.byteLength()); | |
| 1737 corrupted_data[corrupted_data.size() / 2] ^= 0x01; | |
| 1738 EXPECT_STATUS( | |
| 1739 Status::Error(), | |
| 1740 Decrypt( | |
| 1741 algorithm, private_key, CryptoData(corrupted_data), &decrypted_data)); | |
| 1742 | |
| 1743 // TODO(padolph): Are there other specific data corruption scenarios to | |
| 1744 // consider? | |
| 1745 | |
| 1746 // Do a successful decrypt with good data just for confirmation. | |
| 1747 EXPECT_STATUS_SUCCESS(Decrypt( | |
| 1748 algorithm, private_key, CryptoData(encrypted_data), &decrypted_data)); | |
| 1749 ExpectArrayBufferMatchesHex(message_hex_str, decrypted_data); | |
| 1750 } | |
| 1751 | |
| 1752 TEST_F(SharedCryptoTest, MAYBE(RsaSsaSignVerifyFailures)) { | |
| 1753 // Import a key pair. | |
| 1754 blink::WebCryptoKeyUsageMask usage_mask = | |
| 1755 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify; | |
| 1756 blink::WebCryptoAlgorithm importAlgorithm = | |
| 1757 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1758 blink::WebCryptoAlgorithmIdSha1); | |
| 1759 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1760 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1761 ImportRsaKeyPair(HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1762 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1763 importAlgorithm, | |
| 1764 false, | |
| 1765 usage_mask, | |
| 1766 &public_key, | |
| 1767 &private_key); | |
| 1768 | |
| 1769 blink::WebCryptoAlgorithm algorithm = | |
| 1770 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5); | |
| 1771 | |
| 1772 blink::WebArrayBuffer signature; | |
| 1773 bool signature_match; | |
| 1774 | |
| 1775 // Compute a signature. | |
| 1776 const std::vector<uint8> data = HexStringToBytes("010203040506070809"); | |
| 1777 ASSERT_STATUS_SUCCESS( | |
| 1778 Sign(algorithm, private_key, CryptoData(data), &signature)); | |
| 1779 | |
| 1780 // Ensure truncated signature does not verify by passing one less byte. | |
| 1781 EXPECT_STATUS_SUCCESS(VerifySignature( | |
| 1782 algorithm, | |
| 1783 public_key, | |
| 1784 CryptoData(reinterpret_cast<const unsigned char*>(signature.data()), | |
| 1785 signature.byteLength() - 1), | |
| 1786 CryptoData(data), | |
| 1787 &signature_match)); | |
| 1788 EXPECT_FALSE(signature_match); | |
| 1789 | |
| 1790 // Ensure truncated signature does not verify by passing no bytes. | |
| 1791 EXPECT_STATUS_SUCCESS(VerifySignature( | |
| 1792 algorithm, public_key, CryptoData(), CryptoData(data), &signature_match)); | |
| 1793 EXPECT_FALSE(signature_match); | |
| 1794 | |
| 1795 // Ensure corrupted signature does not verify. | |
| 1796 std::vector<uint8> corrupt_sig( | |
| 1797 static_cast<uint8*>(signature.data()), | |
| 1798 static_cast<uint8*>(signature.data()) + signature.byteLength()); | |
| 1799 corrupt_sig[corrupt_sig.size() / 2] ^= 0x1; | |
| 1800 EXPECT_STATUS_SUCCESS(VerifySignature(algorithm, | |
| 1801 public_key, | |
| 1802 CryptoData(corrupt_sig), | |
| 1803 CryptoData(data), | |
| 1804 &signature_match)); | |
| 1805 EXPECT_FALSE(signature_match); | |
| 1806 | |
| 1807 // Ensure signatures that are greater than the modulus size fail. | |
| 1808 const unsigned int long_message_size_bytes = 1024; | |
| 1809 DCHECK_GT(long_message_size_bytes, kModulusLength / 8); | |
| 1810 const unsigned char kLongSignature[long_message_size_bytes] = {0}; | |
| 1811 EXPECT_STATUS_SUCCESS( | |
| 1812 VerifySignature(algorithm, | |
| 1813 public_key, | |
| 1814 CryptoData(kLongSignature, sizeof(kLongSignature)), | |
| 1815 CryptoData(data), | |
| 1816 &signature_match)); | |
| 1817 EXPECT_FALSE(signature_match); | |
| 1818 | |
| 1819 // Ensure that verifying using a private key, rather than a public key, fails. | |
| 1820 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1821 VerifySignature(algorithm, | |
| 1822 private_key, | |
| 1823 CryptoData(signature), | |
| 1824 CryptoData(data), | |
| 1825 &signature_match)); | |
| 1826 | |
| 1827 // Ensure that signing using a public key, rather than a private key, fails. | |
| 1828 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1829 Sign(algorithm, public_key, CryptoData(data), &signature)); | |
| 1830 | |
| 1831 // Ensure that signing and verifying with an incompatible algorithm fails. | |
| 1832 algorithm = CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1833 | |
| 1834 EXPECT_STATUS(Status::ErrorUnexpected(), | |
| 1835 Sign(algorithm, private_key, CryptoData(data), &signature)); | |
| 1836 EXPECT_STATUS(Status::ErrorUnexpected(), | |
| 1837 VerifySignature(algorithm, | |
| 1838 public_key, | |
| 1839 CryptoData(signature), | |
| 1840 CryptoData(data), | |
| 1841 &signature_match)); | |
| 1842 | |
| 1843 // Some crypto libraries (NSS) can automatically select the RSA SSA inner hash | |
| 1844 // based solely on the contents of the input signature data. In the Web Crypto | |
| 1845 // implementation, the inner hash should be specified uniquely by the key | |
| 1846 // algorithm parameter. To validate this behavior, call Verify with a computed | |
| 1847 // signature that used one hash type (SHA-1), but pass in a key with a | |
| 1848 // different inner hash type (SHA-256). If the hash type is determined by the | |
| 1849 // signature itself (undesired), the verify will pass, while if the hash type | |
| 1850 // is specified by the key algorithm (desired), the verify will fail. | |
| 1851 | |
| 1852 // Compute a signature using SHA-1 as the inner hash. | |
| 1853 EXPECT_STATUS_SUCCESS( | |
| 1854 Sign(CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), | |
| 1855 private_key, | |
| 1856 CryptoData(data), | |
| 1857 &signature)); | |
| 1858 | |
| 1859 blink::WebCryptoKey public_key_256 = blink::WebCryptoKey::createNull(); | |
| 1860 EXPECT_STATUS_SUCCESS(ImportKey( | |
| 1861 blink::WebCryptoKeyFormatSpki, | |
| 1862 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), | |
| 1863 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1864 blink::WebCryptoAlgorithmIdSha256), | |
| 1865 true, | |
| 1866 usage_mask, | |
| 1867 &public_key_256)); | |
| 1868 | |
| 1869 // Now verify using an algorithm whose inner hash is SHA-256, not SHA-1. The | |
| 1870 // signature should not verify. | |
| 1871 // NOTE: public_key was produced by generateKey, and so its associated | |
| 1872 // algorithm has WebCryptoRsaKeyGenParams and not WebCryptoRsaSsaParams. Thus | |
| 1873 // it has no inner hash to conflict with the input algorithm. | |
| 1874 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, | |
| 1875 private_key.algorithm().rsaHashedParams()->hash().id()); | |
| 1876 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1877 public_key_256.algorithm().rsaHashedParams()->hash().id()); | |
| 1878 | |
| 1879 bool is_match; | |
| 1880 EXPECT_STATUS_SUCCESS(VerifySignature( | |
| 1881 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), | |
| 1882 public_key_256, | |
| 1883 CryptoData(signature), | |
| 1884 CryptoData(data), | |
| 1885 &is_match)); | |
| 1886 EXPECT_FALSE(is_match); | |
| 1887 } | |
| 1888 | |
| 1889 TEST_F(SharedCryptoTest, MAYBE(RsaSignVerifyKnownAnswer)) { | |
| 1890 scoped_ptr<base::ListValue> tests; | |
| 1891 ASSERT_TRUE(ReadJsonTestFileToList("pkcs1v15_sign.json", &tests)); | |
| 1892 | |
| 1893 // Import the key pair. | |
| 1894 blink::WebCryptoAlgorithm importAlgorithm = | |
| 1895 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1896 blink::WebCryptoAlgorithmIdSha1); | |
| 1897 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1898 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1899 ImportRsaKeyPair( | |
| 1900 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1901 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1902 importAlgorithm, | |
| 1903 false, | |
| 1904 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, | |
| 1905 &public_key, | |
| 1906 &private_key); | |
| 1907 | |
| 1908 blink::WebCryptoAlgorithm algorithm = | |
| 1909 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5); | |
| 1910 | |
| 1911 // Validate the signatures are computed and verified as expected. | |
| 1912 blink::WebArrayBuffer signature; | |
| 1913 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 1914 SCOPED_TRACE(test_index); | |
| 1915 | |
| 1916 base::DictionaryValue* test; | |
| 1917 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 1918 | |
| 1919 std::vector<uint8> test_message = | |
| 1920 GetBytesFromHexString(test, "message_hex"); | |
| 1921 std::vector<uint8> test_signature = | |
| 1922 GetBytesFromHexString(test, "signature_hex"); | |
| 1923 | |
| 1924 signature.reset(); | |
| 1925 ASSERT_STATUS_SUCCESS( | |
| 1926 Sign(algorithm, private_key, CryptoData(test_message), &signature)); | |
| 1927 ExpectArrayBufferMatches(test_signature, signature); | |
| 1928 | |
| 1929 bool is_match = false; | |
| 1930 ASSERT_STATUS_SUCCESS(VerifySignature(algorithm, | |
| 1931 public_key, | |
| 1932 CryptoData(test_signature), | |
| 1933 CryptoData(test_message), | |
| 1934 &is_match)); | |
| 1935 EXPECT_TRUE(is_match); | |
| 1936 } | |
| 1937 } | |
| 1938 | |
| 1939 TEST_F(SharedCryptoTest, MAYBE(AesKwKeyImport)) { | |
| 1940 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1941 blink::WebCryptoAlgorithm algorithm = | |
| 1942 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); | |
| 1943 | |
| 1944 // Import a 128-bit Key Encryption Key (KEK) | |
| 1945 std::string key_raw_hex_in = "025a8cf3f08b4f6c5f33bbc76a471939"; | |
| 1946 ASSERT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 1947 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 1948 algorithm, | |
| 1949 true, | |
| 1950 blink::WebCryptoKeyUsageWrapKey, | |
| 1951 &key)); | |
| 1952 blink::WebArrayBuffer key_raw_out; | |
| 1953 EXPECT_STATUS_SUCCESS( | |
| 1954 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); | |
| 1955 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 1956 | |
| 1957 // Import a 192-bit KEK | |
| 1958 key_raw_hex_in = "c0192c6466b2370decbb62b2cfef4384544ffeb4d2fbc103"; | |
| 1959 ASSERT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 1960 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 1961 algorithm, | |
| 1962 true, | |
| 1963 blink::WebCryptoKeyUsageWrapKey, | |
| 1964 &key)); | |
| 1965 EXPECT_STATUS_SUCCESS( | |
| 1966 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); | |
| 1967 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 1968 | |
| 1969 // Import a 256-bit Key Encryption Key (KEK) | |
| 1970 key_raw_hex_in = | |
| 1971 "e11fe66380d90fa9ebefb74e0478e78f95664d0c67ca20ce4a0b5842863ac46f"; | |
| 1972 ASSERT_STATUS_SUCCESS(ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 1973 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 1974 algorithm, | |
| 1975 true, | |
| 1976 blink::WebCryptoKeyUsageWrapKey, | |
| 1977 &key)); | |
| 1978 EXPECT_STATUS_SUCCESS( | |
| 1979 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); | |
| 1980 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 1981 | |
| 1982 // Fail import of 0 length key | |
| 1983 EXPECT_STATUS(Status::Error(), | |
| 1984 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 1985 CryptoData(HexStringToBytes("")), | |
| 1986 algorithm, | |
| 1987 true, | |
| 1988 blink::WebCryptoKeyUsageWrapKey, | |
| 1989 &key)); | |
| 1990 | |
| 1991 // Fail import of 124-bit KEK | |
| 1992 key_raw_hex_in = "3e4566a2bdaa10cb68134fa66c15ddb"; | |
| 1993 EXPECT_STATUS(Status::Error(), | |
| 1994 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 1995 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 1996 algorithm, | |
| 1997 true, | |
| 1998 blink::WebCryptoKeyUsageWrapKey, | |
| 1999 &key)); | |
| 2000 | |
| 2001 // Fail import of 200-bit KEK | |
| 2002 key_raw_hex_in = "0a1d88608a5ad9fec64f1ada269ebab4baa2feeb8d95638c0e"; | |
| 2003 EXPECT_STATUS(Status::Error(), | |
| 2004 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 2005 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 2006 algorithm, | |
| 2007 true, | |
| 2008 blink::WebCryptoKeyUsageWrapKey, | |
| 2009 &key)); | |
| 2010 | |
| 2011 // Fail import of 260-bit KEK | |
| 2012 key_raw_hex_in = | |
| 2013 "72d4e475ff34215416c9ad9c8281247a4d730c5f275ac23f376e73e3bce8d7d5a"; | |
| 2014 EXPECT_STATUS(Status::Error(), | |
| 2015 ImportKey(blink::WebCryptoKeyFormatRaw, | |
| 2016 CryptoData(HexStringToBytes(key_raw_hex_in)), | |
| 2017 algorithm, | |
| 2018 true, | |
| 2019 blink::WebCryptoKeyUsageWrapKey, | |
| 2020 &key)); | |
| 2021 } | |
| 2022 | |
| 2023 // TODO(eroman): | |
| 2024 // * Test decryption when the tag length exceeds input size | |
| 2025 // * Test decryption with empty input | |
| 2026 // * Test decryption with tag length of 0. | |
| 2027 TEST_F(SharedCryptoTest, MAYBE(AesGcmSampleSets)) { | |
| 2028 // Some Linux test runners may not have a new enough version of NSS. | |
| 2029 if (!SupportsAesGcm()) { | |
| 2030 LOG(WARNING) << "AES GCM not supported, skipping tests"; | |
| 2031 return; | |
| 2032 } | |
| 2033 | |
| 2034 scoped_ptr<base::ListValue> tests; | |
| 2035 ASSERT_TRUE(ReadJsonTestFileToList("aes_gcm.json", &tests)); | |
| 2036 | |
| 2037 // Note that WebCrypto appends the authentication tag to the ciphertext. | |
| 2038 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 2039 SCOPED_TRACE(test_index); | |
| 2040 base::DictionaryValue* test; | |
| 2041 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 2042 | |
| 2043 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 2044 const std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); | |
| 2045 const std::vector<uint8> test_additional_data = | |
| 2046 GetBytesFromHexString(test, "additional_data"); | |
| 2047 const std::vector<uint8> test_plain_text = | |
| 2048 GetBytesFromHexString(test, "plain_text"); | |
| 2049 const std::vector<uint8> test_authentication_tag = | |
| 2050 GetBytesFromHexString(test, "authentication_tag"); | |
| 2051 const unsigned int test_tag_size_bits = test_authentication_tag.size() * 8; | |
| 2052 const std::vector<uint8> test_cipher_text = | |
| 2053 GetBytesFromHexString(test, "cipher_text"); | |
| 2054 | |
| 2055 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 2056 test_key, | |
| 2057 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), | |
| 2058 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 2059 | |
| 2060 // Verify exported raw key is identical to the imported data | |
| 2061 blink::WebArrayBuffer raw_key; | |
| 2062 EXPECT_STATUS_SUCCESS( | |
| 2063 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 2064 | |
| 2065 ExpectArrayBufferMatches(test_key, raw_key); | |
| 2066 | |
| 2067 // Test encryption. | |
| 2068 std::vector<uint8> cipher_text; | |
| 2069 std::vector<uint8> authentication_tag; | |
| 2070 EXPECT_STATUS_SUCCESS(AesGcmEncrypt(key, | |
| 2071 test_iv, | |
| 2072 test_additional_data, | |
| 2073 test_tag_size_bits, | |
| 2074 test_plain_text, | |
| 2075 &cipher_text, | |
| 2076 &authentication_tag)); | |
| 2077 | |
| 2078 ExpectVectorMatches(test_cipher_text, cipher_text); | |
| 2079 ExpectVectorMatches(test_authentication_tag, authentication_tag); | |
| 2080 | |
| 2081 // Test decryption. | |
| 2082 blink::WebArrayBuffer plain_text; | |
| 2083 EXPECT_STATUS_SUCCESS(AesGcmDecrypt(key, | |
| 2084 test_iv, | |
| 2085 test_additional_data, | |
| 2086 test_tag_size_bits, | |
| 2087 test_cipher_text, | |
| 2088 test_authentication_tag, | |
| 2089 &plain_text)); | |
| 2090 ExpectArrayBufferMatches(test_plain_text, plain_text); | |
| 2091 | |
| 2092 // Decryption should fail if any of the inputs are tampered with. | |
| 2093 EXPECT_STATUS(Status::Error(), | |
| 2094 AesGcmDecrypt(key, | |
| 2095 Corrupted(test_iv), | |
| 2096 test_additional_data, | |
| 2097 test_tag_size_bits, | |
| 2098 test_cipher_text, | |
| 2099 test_authentication_tag, | |
| 2100 &plain_text)); | |
| 2101 EXPECT_STATUS(Status::Error(), | |
| 2102 AesGcmDecrypt(key, | |
| 2103 test_iv, | |
| 2104 Corrupted(test_additional_data), | |
| 2105 test_tag_size_bits, | |
| 2106 test_cipher_text, | |
| 2107 test_authentication_tag, | |
| 2108 &plain_text)); | |
| 2109 EXPECT_STATUS(Status::Error(), | |
| 2110 AesGcmDecrypt(key, | |
| 2111 test_iv, | |
| 2112 test_additional_data, | |
| 2113 test_tag_size_bits, | |
| 2114 Corrupted(test_cipher_text), | |
| 2115 test_authentication_tag, | |
| 2116 &plain_text)); | |
| 2117 EXPECT_STATUS(Status::Error(), | |
| 2118 AesGcmDecrypt(key, | |
| 2119 test_iv, | |
| 2120 test_additional_data, | |
| 2121 test_tag_size_bits, | |
| 2122 test_cipher_text, | |
| 2123 Corrupted(test_authentication_tag), | |
| 2124 &plain_text)); | |
| 2125 | |
| 2126 // Try different incorrect tag lengths | |
| 2127 uint8 kAlternateTagLengths[] = {0, 8, 96, 120, 128, 160, 255}; | |
| 2128 for (size_t tag_i = 0; tag_i < arraysize(kAlternateTagLengths); ++tag_i) { | |
| 2129 unsigned int wrong_tag_size_bits = kAlternateTagLengths[tag_i]; | |
| 2130 if (test_tag_size_bits == wrong_tag_size_bits) | |
| 2131 continue; | |
| 2132 EXPECT_STATUS_ERROR(AesGcmDecrypt(key, | |
| 2133 test_iv, | |
| 2134 test_additional_data, | |
| 2135 wrong_tag_size_bits, | |
| 2136 test_cipher_text, | |
| 2137 test_authentication_tag, | |
| 2138 &plain_text)); | |
| 2139 } | |
| 2140 } | |
| 2141 } | |
| 2142 | |
| 2143 } // namespace webcrypto | |
| 2144 | |
| 2145 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 188203003:
Move webcrypto to child/ and add support to worker_webkitplatformsupport. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src