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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/webcrypto_impl.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/webcrypto_util.h" | |
| 24 #include "testing/gtest/include/gtest/gtest.h" | |
| 25 #include "third_party/WebKit/public/platform/WebArrayBuffer.h" | |
| 26 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | |
| 27 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" | |
| 28 #include "third_party/WebKit/public/platform/WebCryptoKey.h" | |
| 29 #include "third_party/re2/re2/re2.h" | |
| 30 | |
| 31 // The OpenSSL implementation of WebCrypto is less complete, so don't run all of | |
| 32 // the tests: http://crbug.com/267888 | |
| 33 #if defined(USE_OPENSSL) | |
| 34 #define MAYBE(test_name) DISABLED_##test_name | |
| 35 #else | |
| 36 #define MAYBE(test_name) test_name | |
| 37 #endif | |
| 38 | |
| 39 // Helper macros to verify the value of a Status. | |
| 40 #define EXPECT_STATUS_ERROR(code) EXPECT_FALSE((code).IsSuccess()) | |
| 41 #define EXPECT_STATUS(expected, code) \ | |
| 42 EXPECT_EQ(expected.ToString(), (code).ToString()) | |
| 43 #define ASSERT_STATUS(expected, code) \ | |
| 44 ASSERT_EQ(expected.ToString(), (code).ToString()) | |
| 45 #define EXPECT_STATUS_SUCCESS(code) EXPECT_STATUS(Status::Success(), code) | |
| 46 #define ASSERT_STATUS_SUCCESS(code) ASSERT_STATUS(Status::Success(), code) | |
| 47 | |
| 48 namespace content { | |
| 49 | |
| 50 using webcrypto::Status; | |
| 51 | |
| 52 namespace { | |
| 53 | |
| 54 // Returns a slightly modified version of the input vector. | |
| 55 // | |
| 56 // - For non-empty inputs a single bit is inverted. | |
| 57 // - For empty inputs, a byte is added. | |
| 58 std::vector<uint8> Corrupted(const std::vector<uint8>& input) { | |
| 59 std::vector<uint8> corrupted_data(input); | |
| 60 if (corrupted_data.empty()) | |
| 61 corrupted_data.push_back(0); | |
| 62 corrupted_data[corrupted_data.size() / 2] ^= 0x01; | |
| 63 return corrupted_data; | |
| 64 } | |
| 65 | |
| 66 std::vector<uint8> HexStringToBytes(const std::string& hex) { | |
| 67 std::vector<uint8> bytes; | |
| 68 base::HexStringToBytes(hex, &bytes); | |
| 69 return bytes; | |
| 70 } | |
| 71 | |
| 72 void ExpectArrayBufferMatches(const std::vector<uint8>& expected, | |
| 73 const blink::WebArrayBuffer& actual) { | |
| 74 EXPECT_EQ( | |
| 75 base::HexEncode(webcrypto::Uint8VectorStart(expected), expected.size()), | |
| 76 base::HexEncode(actual.data(), actual.byteLength())); | |
| 77 } | |
| 78 | |
| 79 void ExpectArrayBufferMatchesHex(const std::string& expected_hex, | |
| 80 const blink::WebArrayBuffer& array_buffer) { | |
| 81 EXPECT_STRCASEEQ( | |
| 82 expected_hex.c_str(), | |
| 83 base::HexEncode(array_buffer.data(), array_buffer.byteLength()).c_str()); | |
| 84 } | |
| 85 | |
| 86 void ExpectVectorMatches(const std::vector<uint8>& expected, | |
| 87 const std::vector<uint8>& actual) { | |
| 88 EXPECT_EQ( | |
| 89 base::HexEncode(webcrypto::Uint8VectorStart(expected), expected.size()), | |
| 90 base::HexEncode(webcrypto::Uint8VectorStart(actual), actual.size())); | |
| 91 } | |
| 92 | |
| 93 std::vector<uint8> MakeJsonVector(const std::string& json_string) { | |
| 94 return std::vector<uint8>(json_string.begin(), json_string.end()); | |
| 95 } | |
| 96 | |
| 97 std::vector<uint8> MakeJsonVector(const base::DictionaryValue& dict) { | |
| 98 std::string json; | |
| 99 base::JSONWriter::Write(&dict, &json); | |
| 100 return MakeJsonVector(json); | |
| 101 } | |
| 102 | |
| 103 // ---------------------------------------------------------------- | |
| 104 // Helpers for working with JSON data files for test expectations. | |
| 105 // ---------------------------------------------------------------- | |
| 106 | |
| 107 // Reads a file in "src/content/test/data/webcrypto" to a base::Value. | |
| 108 // The file must be JSON, however it can also include C++ style comments. | |
| 109 ::testing::AssertionResult ReadJsonTestFile( | |
| 110 const char* test_file_name, | |
| 111 scoped_ptr<base::Value>* value) { | |
| 112 base::FilePath test_data_dir; | |
| 113 if (!PathService::Get(DIR_TEST_DATA, &test_data_dir)) | |
| 114 return ::testing::AssertionFailure() << "Couldn't retrieve test dir"; | |
| 115 | |
| 116 base::FilePath file_path = | |
| 117 test_data_dir.AppendASCII("webcrypto").AppendASCII(test_file_name); | |
| 118 | |
| 119 std::string file_contents; | |
| 120 if (!base::ReadFileToString(file_path, &file_contents)) { | |
| 121 return ::testing::AssertionFailure() << "Couldn't read test file: " | |
| 122 << file_path.value(); | |
| 123 } | |
| 124 | |
| 125 // Strip C++ style comments out of the "json" file, otherwise it cannot be | |
| 126 // parsed. | |
| 127 re2::RE2::GlobalReplace(&file_contents, re2::RE2("\\s*//.*"), ""); | |
| 128 | |
| 129 // Parse the JSON to a dictionary. | |
| 130 value->reset(base::JSONReader::Read(file_contents)); | |
| 131 if (!value->get()) { | |
| 132 return ::testing::AssertionFailure() << "Couldn't parse test file JSON: " | |
| 133 << file_path.value(); | |
| 134 } | |
| 135 | |
| 136 return ::testing::AssertionSuccess(); | |
| 137 } | |
| 138 | |
| 139 // Same as ReadJsonTestFile(), but return the value as a List. | |
| 140 ::testing::AssertionResult ReadJsonTestFileToList( | |
| 141 const char* test_file_name, | |
| 142 scoped_ptr<base::ListValue>* list) { | |
| 143 // Read the JSON. | |
| 144 scoped_ptr<base::Value> json; | |
| 145 ::testing::AssertionResult result = ReadJsonTestFile(test_file_name, &json); | |
| 146 if (!result) | |
| 147 return result; | |
| 148 | |
| 149 // Cast to an ListValue. | |
| 150 base::ListValue* list_value = NULL; | |
| 151 if (!json->GetAsList(&list_value) || !list_value) | |
| 152 return ::testing::AssertionFailure() << "The JSON was not a list"; | |
| 153 | |
| 154 list->reset(list_value); | |
| 155 ignore_result(json.release()); | |
| 156 | |
| 157 return ::testing::AssertionSuccess(); | |
| 158 } | |
| 159 | |
| 160 // Read a string property from the dictionary with path |property_name| | |
| 161 // (which can include periods for nested dictionaries). Interprets the | |
| 162 // string as a hex encoded string and converts it to a bytes list. | |
| 163 // | |
| 164 // Returns empty vector on failure. | |
| 165 std::vector<uint8> GetBytesFromHexString( | |
| 166 base::DictionaryValue* dict, | |
| 167 const char* property_name) { | |
| 168 std::string hex_string; | |
| 169 if (!dict->GetString(property_name, &hex_string)) { | |
| 170 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; | |
| 171 return std::vector<uint8>(); | |
| 172 } | |
| 173 | |
| 174 return HexStringToBytes(hex_string); | |
| 175 } | |
| 176 | |
| 177 // Reads a string property with path "property_name" and converts it to a | |
| 178 // WebCryptoAlgorith. Returns null algorithm on failure. | |
| 179 blink::WebCryptoAlgorithm GetDigestAlgorithm( | |
| 180 base::DictionaryValue* dict, | |
| 181 const char* property_name) { | |
| 182 std::string algorithm_name; | |
| 183 if (!dict->GetString(property_name, &algorithm_name)) { | |
| 184 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; | |
| 185 return blink::WebCryptoAlgorithm::createNull(); | |
| 186 } | |
| 187 | |
| 188 struct { | |
| 189 const char* name; | |
| 190 blink::WebCryptoAlgorithmId id; | |
| 191 } kDigestNameToId[] = { | |
| 192 {"sha-1", blink::WebCryptoAlgorithmIdSha1}, | |
| 193 {"sha-224", blink::WebCryptoAlgorithmIdSha224}, | |
| 194 {"sha-256", blink::WebCryptoAlgorithmIdSha256}, | |
| 195 {"sha-384", blink::WebCryptoAlgorithmIdSha384}, | |
| 196 {"sha-512", blink::WebCryptoAlgorithmIdSha512}, | |
| 197 }; | |
| 198 | |
| 199 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kDigestNameToId); ++i) { | |
| 200 if (kDigestNameToId[i].name == algorithm_name) | |
| 201 return webcrypto::CreateAlgorithm(kDigestNameToId[i].id); | |
| 202 } | |
| 203 | |
| 204 return blink::WebCryptoAlgorithm::createNull(); | |
| 205 } | |
| 206 | |
| 207 // Helper for ImportJwkFailures and ImportJwkOctFailures. Restores the JWK JSON | |
| 208 // dictionary to a good state | |
| 209 void RestoreJwkOctDictionary(base::DictionaryValue* dict) { | |
| 210 dict->Clear(); | |
| 211 dict->SetString("kty", "oct"); | |
| 212 dict->SetString("alg", "A128CBC"); | |
| 213 dict->SetString("use", "enc"); | |
| 214 dict->SetBoolean("extractable", false); | |
| 215 dict->SetString("k", "GADWrMRHwQfoNaXU5fZvTg=="); | |
| 216 } | |
| 217 | |
| 218 blink::WebCryptoAlgorithm CreateAesGcmAlgorithm( | |
| 219 const std::vector<uint8>& iv, | |
| 220 const std::vector<uint8>& additional_data, | |
| 221 unsigned int tag_length_bits) { | |
| 222 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 223 blink::WebCryptoAlgorithmIdAesGcm, | |
| 224 new blink::WebCryptoAesGcmParams( | |
| 225 webcrypto::Uint8VectorStart(iv), iv.size(), | |
| 226 true, | |
| 227 webcrypto::Uint8VectorStart(additional_data), | |
| 228 additional_data.size(), | |
| 229 true, tag_length_bits)); | |
| 230 } | |
| 231 | |
| 232 // Helper for ImportJwkRsaFailures. Restores the JWK JSON | |
| 233 // dictionary to a good state | |
| 234 void RestoreJwkRsaDictionary(base::DictionaryValue* dict) { | |
| 235 dict->Clear(); | |
| 236 dict->SetString("kty", "RSA"); | |
| 237 dict->SetString("alg", "RSA1_5"); | |
| 238 dict->SetString("use", "enc"); | |
| 239 dict->SetBoolean("extractable", false); | |
| 240 dict->SetString("n", | |
| 241 "qLOyhK-OtQs4cDSoYPFGxJGfMYdjzWxVmMiuSBGh4KvEx-CwgtaTpef87Wdc9GaFEncsDLxk" | |
| 242 "p0LGxjD1M8jMcvYq6DPEC_JYQumEu3i9v5fAEH1VvbZi9cTg-rmEXLUUjvc5LdOq_5OuHmtm" | |
| 243 "e7PUJHYW1PW6ENTP0ibeiNOfFvs"); | |
| 244 dict->SetString("e", "AQAB"); | |
| 245 } | |
| 246 | |
| 247 blink::WebCryptoAlgorithm CreateRsaAlgorithmWithInnerHash( | |
| 248 blink::WebCryptoAlgorithmId algorithm_id, | |
| 249 blink::WebCryptoAlgorithmId hash_id) { | |
| 250 DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || | |
| 251 algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep); | |
| 252 DCHECK(webcrypto::IsHashAlgorithm(hash_id)); | |
| 253 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 254 algorithm_id, | |
| 255 new blink::WebCryptoRsaSsaParams(webcrypto::CreateAlgorithm(hash_id))); | |
| 256 } | |
| 257 | |
| 258 // Determines if two ArrayBuffers have identical content. | |
| 259 bool ArrayBuffersEqual( | |
| 260 const blink::WebArrayBuffer& a, | |
| 261 const blink::WebArrayBuffer& b) { | |
| 262 return a.byteLength() == b.byteLength() && | |
| 263 memcmp(a.data(), b.data(), a.byteLength()) == 0; | |
| 264 } | |
| 265 | |
| 266 // Given a vector of WebArrayBuffers, determines if there are any copies. | |
| 267 bool CopiesExist(std::vector<blink::WebArrayBuffer> bufs) { | |
| 268 for (size_t i = 0; i < bufs.size(); ++i) { | |
| 269 for (size_t j = i + 1; j < bufs.size(); ++j) { | |
| 270 if (ArrayBuffersEqual(bufs[i], bufs[j])) | |
| 271 return true; | |
| 272 } | |
| 273 } | |
| 274 return false; | |
| 275 } | |
| 276 | |
| 277 blink::WebCryptoAlgorithm CreateAesKeyGenAlgorithm( | |
| 278 blink::WebCryptoAlgorithmId aes_alg_id, | |
| 279 unsigned short length) { | |
| 280 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 281 aes_alg_id, new blink::WebCryptoAesKeyGenParams(length)); | |
| 282 } | |
| 283 | |
| 284 blink::WebCryptoAlgorithm CreateAesCbcKeyGenAlgorithm( | |
| 285 unsigned short key_length_bits) { | |
| 286 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesCbc, | |
| 287 key_length_bits); | |
| 288 } | |
| 289 | |
| 290 blink::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm( | |
| 291 unsigned short key_length_bits) { | |
| 292 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesGcm, | |
| 293 key_length_bits); | |
| 294 } | |
| 295 | |
| 296 blink::WebCryptoAlgorithm CreateAesKwKeyGenAlgorithm( | |
| 297 unsigned short key_length_bits) { | |
| 298 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesKw, | |
| 299 key_length_bits); | |
| 300 } | |
| 301 | |
| 302 // The following key pair is comprised of the SPKI (public key) and PKCS#8 | |
| 303 // (private key) representations of the key pair provided in Example 1 of the | |
| 304 // NIST test vectors at | |
| 305 // ftp://ftp.rsa.com/pub/rsalabs/tmp/pkcs1v15sign-vectors.txt | |
| 306 const unsigned int kModulusLength = 1024; | |
| 307 const char* const kPublicKeySpkiDerHex = | |
| 308 "30819f300d06092a864886f70d010101050003818d0030818902818100a5" | |
| 309 "6e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad9" | |
| 310 "91d8c51056ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfc" | |
| 311 "e0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921cb23c270a70e2598e" | |
| 312 "6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f20d0ce8cf" | |
| 313 "fb2249bd9a21370203010001"; | |
| 314 const char* const kPrivateKeyPkcs8DerHex = | |
| 315 "30820275020100300d06092a864886f70d01010105000482025f3082025b" | |
| 316 "02010002818100a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52" | |
| 317 "a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283a12a88a394dff526ab" | |
| 318 "7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921c" | |
| 319 "b23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef" | |
| 320 "22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d" | |
| 321 "4f5451ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c" | |
| 322 "568c8f97853ad07c0266c8c6a3ca0929f1e8f11231884429fc4d9ae55fee" | |
| 323 "896a10ce707c3ed7e734e44727a39574501a532683109c2abacaba283c31" | |
| 324 "b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6dcee883547c6a3b3" | |
| 325 "25024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8629" | |
| 326 "6b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b" | |
| 327 "3b6dcd3eda8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde12" | |
| 328 "3fd2700180aa90479b6e48de8d67ed24f9f19d85ba275874f542cd20dc72" | |
| 329 "3e6963364a1f9425452b269a6799fd024028fa13938655be1f8a159cbaca" | |
| 330 "5a72ea190c30089e19cd274a556f36c4f6e19f554b34c077790427bbdd8d" | |
| 331 "d3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa71" | |
| 332 "2049898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd" | |
| 333 "48be455eaeb6e1678255827580a8e4e8e14151d1510a82a3f2e729024027" | |
| 334 "156aba4126d24a81f3a528cbfb27f56886f840a9f6e86e17a44b94fe9319" | |
| 335 "584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb2190acf832b847f13a3d24" | |
| 336 "a79f4d"; | |
| 337 | |
| 338 } // namespace | |
| 339 | |
| 340 class WebCryptoImplTest : public testing::Test { | |
| 341 protected: | |
| 342 blink::WebCryptoKey ImportSecretKeyFromRaw( | |
| 343 const std::vector<uint8>& key_raw, | |
| 344 const blink::WebCryptoAlgorithm& algorithm, | |
| 345 blink::WebCryptoKeyUsageMask usage) { | |
| 346 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 347 bool extractable = true; | |
| 348 EXPECT_STATUS_SUCCESS( | |
| 349 crypto_.ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 350 webcrypto::Uint8VectorStart(key_raw), | |
| 351 key_raw.size(), | |
| 352 algorithm, | |
| 353 extractable, | |
| 354 usage, | |
| 355 &key)); | |
| 356 | |
| 357 EXPECT_FALSE(key.isNull()); | |
| 358 EXPECT_TRUE(key.handle()); | |
| 359 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 360 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 361 EXPECT_EQ(extractable, key.extractable()); | |
| 362 EXPECT_EQ(usage, key.usages()); | |
| 363 return key; | |
| 364 } | |
| 365 | |
| 366 void ImportRsaKeyPair( | |
| 367 const std::vector<uint8>& spki_der, | |
| 368 const std::vector<uint8>& pkcs8_der, | |
| 369 const blink::WebCryptoAlgorithm& algorithm, | |
| 370 bool extractable, | |
| 371 blink::WebCryptoKeyUsageMask usage_mask, | |
| 372 blink::WebCryptoKey* public_key, | |
| 373 blink::WebCryptoKey* private_key) { | |
| 374 EXPECT_STATUS_SUCCESS(ImportKeyInternal( | |
| 375 blink::WebCryptoKeyFormatSpki, | |
| 376 spki_der, | |
| 377 algorithm, | |
| 378 true, | |
| 379 usage_mask, | |
| 380 public_key)); | |
| 381 EXPECT_FALSE(public_key->isNull()); | |
| 382 EXPECT_TRUE(public_key->handle()); | |
| 383 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key->type()); | |
| 384 EXPECT_EQ(algorithm.id(), public_key->algorithm().id()); | |
| 385 EXPECT_EQ(extractable, extractable); | |
| 386 EXPECT_EQ(usage_mask, public_key->usages()); | |
| 387 | |
| 388 EXPECT_STATUS_SUCCESS(ImportKeyInternal( | |
| 389 blink::WebCryptoKeyFormatPkcs8, | |
| 390 pkcs8_der, | |
| 391 algorithm, | |
| 392 extractable, | |
| 393 usage_mask, | |
| 394 private_key)); | |
| 395 EXPECT_FALSE(private_key->isNull()); | |
| 396 EXPECT_TRUE(private_key->handle()); | |
| 397 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key->type()); | |
| 398 EXPECT_EQ(algorithm.id(), private_key->algorithm().id()); | |
| 399 EXPECT_EQ(extractable, extractable); | |
| 400 EXPECT_EQ(usage_mask, private_key->usages()); | |
| 401 } | |
| 402 | |
| 403 // TODO(eroman): For Linux builds using system NSS, AES-GCM support is a | |
| 404 // runtime dependency. Test it by trying to import a key. | |
| 405 bool SupportsAesGcm() { | |
| 406 std::vector<uint8> key_raw(16, 0); | |
| 407 | |
| 408 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 409 Status status = crypto_.ImportKeyInternal( | |
| 410 blink::WebCryptoKeyFormatRaw, | |
| 411 webcrypto::Uint8VectorStart(key_raw), | |
| 412 key_raw.size(), | |
| 413 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), | |
| 414 true, | |
| 415 blink::WebCryptoKeyUsageEncrypt, | |
| 416 &key); | |
| 417 | |
| 418 if (status.IsError()) | |
| 419 EXPECT_EQ(Status::ErrorUnsupported().ToString(), status.ToString()); | |
| 420 return status.IsSuccess(); | |
| 421 | |
| 422 } | |
| 423 | |
| 424 Status AesGcmEncrypt(const blink::WebCryptoKey& key, | |
| 425 const std::vector<uint8>& iv, | |
| 426 const std::vector<uint8>& additional_data, | |
| 427 unsigned int tag_length_bits, | |
| 428 const std::vector<uint8>& plain_text, | |
| 429 std::vector<uint8>* cipher_text, | |
| 430 std::vector<uint8>* authentication_tag) { | |
| 431 blink::WebCryptoAlgorithm algorithm = CreateAesGcmAlgorithm( | |
| 432 iv, additional_data, tag_length_bits); | |
| 433 | |
| 434 blink::WebArrayBuffer output; | |
| 435 Status status = EncryptInternal(algorithm, key, plain_text, &output); | |
| 436 if (status.IsError()) | |
| 437 return status; | |
| 438 | |
| 439 if (output.byteLength() * 8 < tag_length_bits) { | |
| 440 EXPECT_TRUE(false); | |
| 441 return Status::Error(); | |
| 442 } | |
| 443 | |
| 444 // The encryption result is cipher text with authentication tag appended. | |
| 445 cipher_text->assign( | |
| 446 static_cast<uint8*>(output.data()), | |
| 447 static_cast<uint8*>(output.data()) + | |
| 448 (output.byteLength() - tag_length_bits / 8)); | |
| 449 authentication_tag->assign( | |
| 450 static_cast<uint8*>(output.data()) + cipher_text->size(), | |
| 451 static_cast<uint8*>(output.data()) + output.byteLength()); | |
| 452 | |
| 453 return Status::Success(); | |
| 454 } | |
| 455 | |
| 456 Status AesGcmDecrypt(const blink::WebCryptoKey& key, | |
| 457 const std::vector<uint8>& iv, | |
| 458 const std::vector<uint8>& additional_data, | |
| 459 unsigned int tag_length_bits, | |
| 460 const std::vector<uint8>& cipher_text, | |
| 461 const std::vector<uint8>& authentication_tag, | |
| 462 blink::WebArrayBuffer* plain_text) { | |
| 463 blink::WebCryptoAlgorithm algorithm = CreateAesGcmAlgorithm( | |
| 464 iv, additional_data, tag_length_bits); | |
| 465 | |
| 466 // Join cipher text and authentication tag. | |
| 467 std::vector<uint8> cipher_text_with_tag; | |
| 468 cipher_text_with_tag.reserve( | |
| 469 cipher_text.size() + authentication_tag.size()); | |
| 470 cipher_text_with_tag.insert( | |
| 471 cipher_text_with_tag.end(), cipher_text.begin(), cipher_text.end()); | |
| 472 cipher_text_with_tag.insert( | |
| 473 cipher_text_with_tag.end(), authentication_tag.begin(), | |
| 474 authentication_tag.end()); | |
| 475 | |
| 476 return DecryptInternal(algorithm, key, cipher_text_with_tag, plain_text); | |
| 477 } | |
| 478 | |
| 479 // Forwarding methods to gain access to protected methods of | |
| 480 // WebCryptoImpl. | |
| 481 | |
| 482 Status DigestInternal( | |
| 483 const blink::WebCryptoAlgorithm& algorithm, | |
| 484 const std::vector<uint8>& data, | |
| 485 blink::WebArrayBuffer* buffer) { | |
| 486 return crypto_.DigestInternal( | |
| 487 algorithm, webcrypto::Uint8VectorStart(data), data.size(), buffer); | |
| 488 } | |
| 489 | |
| 490 Status GenerateKeyInternal( | |
| 491 const blink::WebCryptoAlgorithm& algorithm, | |
| 492 blink::WebCryptoKey* key) { | |
| 493 bool extractable = true; | |
| 494 blink::WebCryptoKeyUsageMask usage_mask = 0; | |
| 495 return crypto_.GenerateSecretKeyInternal( | |
| 496 algorithm, extractable, usage_mask, key); | |
| 497 } | |
| 498 | |
| 499 Status GenerateKeyPairInternal( | |
| 500 const blink::WebCryptoAlgorithm& algorithm, | |
| 501 bool extractable, | |
| 502 blink::WebCryptoKeyUsageMask usage_mask, | |
| 503 blink::WebCryptoKey* public_key, | |
| 504 blink::WebCryptoKey* private_key) { | |
| 505 return crypto_.GenerateKeyPairInternal( | |
| 506 algorithm, extractable, usage_mask, public_key, private_key); | |
| 507 } | |
| 508 | |
| 509 Status ImportKeyInternal( | |
| 510 blink::WebCryptoKeyFormat format, | |
| 511 const std::vector<uint8>& key_data, | |
| 512 const blink::WebCryptoAlgorithm& algorithm, | |
| 513 bool extractable, | |
| 514 blink::WebCryptoKeyUsageMask usage_mask, | |
| 515 blink::WebCryptoKey* key) { | |
| 516 return crypto_.ImportKeyInternal(format, | |
| 517 webcrypto::Uint8VectorStart(key_data), | |
| 518 key_data.size(), | |
| 519 algorithm, | |
| 520 extractable, | |
| 521 usage_mask, | |
| 522 key); | |
| 523 } | |
| 524 | |
| 525 Status ExportKeyInternal( | |
| 526 blink::WebCryptoKeyFormat format, | |
| 527 const blink::WebCryptoKey& key, | |
| 528 blink::WebArrayBuffer* buffer) { | |
| 529 return crypto_.ExportKeyInternal(format, key, buffer); | |
| 530 } | |
| 531 | |
| 532 Status SignInternal( | |
| 533 const blink::WebCryptoAlgorithm& algorithm, | |
| 534 const blink::WebCryptoKey& key, | |
| 535 const std::vector<uint8>& data, | |
| 536 blink::WebArrayBuffer* buffer) { | |
| 537 return crypto_.SignInternal( | |
| 538 algorithm, key, webcrypto::Uint8VectorStart(data), data.size(), buffer); | |
| 539 } | |
| 540 | |
| 541 Status VerifySignatureInternal( | |
| 542 const blink::WebCryptoAlgorithm& algorithm, | |
| 543 const blink::WebCryptoKey& key, | |
| 544 const unsigned char* signature, | |
| 545 unsigned int signature_size, | |
| 546 const std::vector<uint8>& data, | |
| 547 bool* signature_match) { | |
| 548 return crypto_.VerifySignatureInternal(algorithm, | |
| 549 key, | |
| 550 signature, | |
| 551 signature_size, | |
| 552 webcrypto::Uint8VectorStart(data), | |
| 553 data.size(), | |
| 554 signature_match); | |
| 555 } | |
| 556 | |
| 557 Status VerifySignatureInternal( | |
| 558 const blink::WebCryptoAlgorithm& algorithm, | |
| 559 const blink::WebCryptoKey& key, | |
| 560 const std::vector<uint8>& signature, | |
| 561 const std::vector<uint8>& data, | |
| 562 bool* signature_match) { | |
| 563 return crypto_.VerifySignatureInternal( | |
| 564 algorithm, | |
| 565 key, | |
| 566 webcrypto::Uint8VectorStart(signature), | |
| 567 signature.size(), | |
| 568 webcrypto::Uint8VectorStart(data), | |
| 569 data.size(), | |
| 570 signature_match); | |
| 571 } | |
| 572 | |
| 573 Status EncryptInternal( | |
| 574 const blink::WebCryptoAlgorithm& algorithm, | |
| 575 const blink::WebCryptoKey& key, | |
| 576 const unsigned char* data, | |
| 577 unsigned int data_size, | |
| 578 blink::WebArrayBuffer* buffer) { | |
| 579 return crypto_.EncryptInternal(algorithm, key, data, data_size, buffer); | |
| 580 } | |
| 581 | |
| 582 Status EncryptInternal( | |
| 583 const blink::WebCryptoAlgorithm& algorithm, | |
| 584 const blink::WebCryptoKey& key, | |
| 585 const std::vector<uint8>& data, | |
| 586 blink::WebArrayBuffer* buffer) { | |
| 587 return crypto_.EncryptInternal( | |
| 588 algorithm, key, webcrypto::Uint8VectorStart(data), data.size(), buffer); | |
| 589 } | |
| 590 | |
| 591 Status DecryptInternal( | |
| 592 const blink::WebCryptoAlgorithm& algorithm, | |
| 593 const blink::WebCryptoKey& key, | |
| 594 const unsigned char* data, | |
| 595 unsigned int data_size, | |
| 596 blink::WebArrayBuffer* buffer) { | |
| 597 return crypto_.DecryptInternal(algorithm, key, data, data_size, buffer); | |
| 598 } | |
| 599 | |
| 600 Status DecryptInternal( | |
| 601 const blink::WebCryptoAlgorithm& algorithm, | |
| 602 const blink::WebCryptoKey& key, | |
| 603 const std::vector<uint8>& data, | |
| 604 blink::WebArrayBuffer* buffer) { | |
| 605 return crypto_.DecryptInternal( | |
| 606 algorithm, key, webcrypto::Uint8VectorStart(data), data.size(), buffer); | |
| 607 } | |
| 608 | |
| 609 Status ImportKeyJwk( | |
| 610 const std::vector<uint8>& key_data, | |
| 611 const blink::WebCryptoAlgorithm& algorithm, | |
| 612 bool extractable, | |
| 613 blink::WebCryptoKeyUsageMask usage_mask, | |
| 614 blink::WebCryptoKey* key) { | |
| 615 return crypto_.ImportKeyJwk(webcrypto::Uint8VectorStart(key_data), | |
| 616 key_data.size(), | |
| 617 algorithm, | |
| 618 extractable, | |
| 619 usage_mask, | |
| 620 key); | |
| 621 } | |
| 622 | |
| 623 private: | |
| 624 WebCryptoImpl crypto_; | |
| 625 }; | |
| 626 | |
| 627 TEST_F(WebCryptoImplTest, StatusToString) { | |
| 628 EXPECT_EQ("Success", Status::Success().ToString()); | |
| 629 EXPECT_EQ("", Status::Error().ToString()); | |
| 630 EXPECT_EQ("The requested operation is unsupported", | |
| 631 Status::ErrorUnsupported().ToString()); | |
| 632 EXPECT_EQ("The required JWK property \"kty\" was missing", | |
| 633 Status::ErrorJwkPropertyMissing("kty").ToString()); | |
| 634 EXPECT_EQ("The JWK property \"kty\" must be a string", | |
| 635 Status::ErrorJwkPropertyWrongType("kty", "string").ToString()); | |
| 636 EXPECT_EQ("The JWK property \"n\" could not be base64 decoded", | |
| 637 Status::ErrorJwkBase64Decode("n").ToString()); | |
| 638 } | |
| 639 | |
| 640 TEST_F(WebCryptoImplTest, DigestSampleSets) { | |
| 641 scoped_ptr<base::ListValue> tests; | |
| 642 ASSERT_TRUE(ReadJsonTestFileToList("digest.json", &tests)); | |
| 643 | |
| 644 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 645 SCOPED_TRACE(test_index); | |
| 646 base::DictionaryValue* test; | |
| 647 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 648 | |
| 649 blink::WebCryptoAlgorithm test_algorithm = | |
| 650 GetDigestAlgorithm(test, "algorithm"); | |
| 651 std::vector<uint8> test_input = GetBytesFromHexString(test, "input"); | |
| 652 std::vector<uint8> test_output = GetBytesFromHexString(test, "output"); | |
| 653 | |
| 654 blink::WebArrayBuffer output; | |
| 655 ASSERT_STATUS_SUCCESS(DigestInternal(test_algorithm, test_input, &output)); | |
| 656 ExpectArrayBufferMatches(test_output, output); | |
| 657 } | |
| 658 } | |
| 659 | |
| 660 TEST_F(WebCryptoImplTest, HMACSampleSets) { | |
| 661 scoped_ptr<base::ListValue> tests; | |
| 662 ASSERT_TRUE(ReadJsonTestFileToList("hmac.json", &tests)); | |
| 663 | |
| 664 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 665 SCOPED_TRACE(test_index); | |
| 666 base::DictionaryValue* test; | |
| 667 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 668 | |
| 669 blink::WebCryptoAlgorithm test_hash = GetDigestAlgorithm(test, "hash"); | |
| 670 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 671 const std::vector<uint8> test_message = | |
| 672 GetBytesFromHexString(test, "message"); | |
| 673 const std::vector<uint8> test_mac = GetBytesFromHexString(test, "mac"); | |
| 674 | |
| 675 blink::WebCryptoAlgorithm algorithm = | |
| 676 webcrypto::CreateHmacAlgorithmByHashId(test_hash.id()); | |
| 677 | |
| 678 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 679 test_key, algorithm, blink::WebCryptoKeyUsageSign); | |
| 680 | |
| 681 // Verify exported raw key is identical to the imported data | |
| 682 blink::WebArrayBuffer raw_key; | |
| 683 EXPECT_STATUS_SUCCESS( | |
| 684 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 685 ExpectArrayBufferMatches(test_key, raw_key); | |
| 686 | |
| 687 blink::WebArrayBuffer output; | |
| 688 | |
| 689 ASSERT_STATUS_SUCCESS(SignInternal(algorithm, key, test_message, &output)); | |
| 690 | |
| 691 ExpectArrayBufferMatches(test_mac, output); | |
| 692 | |
| 693 bool signature_match = false; | |
| 694 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 695 algorithm, | |
| 696 key, | |
| 697 static_cast<const unsigned char*>(output.data()), | |
| 698 output.byteLength(), | |
| 699 test_message, | |
| 700 &signature_match)); | |
| 701 EXPECT_TRUE(signature_match); | |
| 702 | |
| 703 // Ensure truncated signature does not verify by passing one less byte. | |
| 704 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 705 algorithm, | |
| 706 key, | |
| 707 static_cast<const unsigned char*>(output.data()), | |
| 708 output.byteLength() - 1, | |
| 709 test_message, | |
| 710 &signature_match)); | |
| 711 EXPECT_FALSE(signature_match); | |
| 712 | |
| 713 // Ensure truncated signature does not verify by passing no bytes. | |
| 714 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 715 algorithm, | |
| 716 key, | |
| 717 NULL, | |
| 718 0, | |
| 719 test_message, | |
| 720 &signature_match)); | |
| 721 EXPECT_FALSE(signature_match); | |
| 722 | |
| 723 // Ensure extra long signature does not cause issues and fails. | |
| 724 const unsigned char kLongSignature[1024] = { 0 }; | |
| 725 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 726 algorithm, | |
| 727 key, | |
| 728 kLongSignature, | |
| 729 sizeof(kLongSignature), | |
| 730 test_message, | |
| 731 &signature_match)); | |
| 732 EXPECT_FALSE(signature_match); | |
| 733 } | |
| 734 } | |
| 735 | |
| 736 TEST_F(WebCryptoImplTest, AesCbcFailures) { | |
| 737 const std::string key_hex = "2b7e151628aed2a6abf7158809cf4f3c"; | |
| 738 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 739 HexStringToBytes(key_hex), | |
| 740 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 741 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 742 | |
| 743 // Verify exported raw key is identical to the imported data | |
| 744 blink::WebArrayBuffer raw_key; | |
| 745 EXPECT_STATUS_SUCCESS( | |
| 746 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 747 ExpectArrayBufferMatchesHex(key_hex, raw_key); | |
| 748 | |
| 749 blink::WebArrayBuffer output; | |
| 750 | |
| 751 // Use an invalid |iv| (fewer than 16 bytes) | |
| 752 { | |
| 753 std::vector<uint8> input(32); | |
| 754 std::vector<uint8> iv; | |
| 755 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), EncryptInternal( | |
| 756 webcrypto::CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 757 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), DecryptInternal( | |
| 758 webcrypto::CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 759 } | |
| 760 | |
| 761 // Use an invalid |iv| (more than 16 bytes) | |
| 762 { | |
| 763 std::vector<uint8> input(32); | |
| 764 std::vector<uint8> iv(17); | |
| 765 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), EncryptInternal( | |
| 766 webcrypto::CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 767 EXPECT_STATUS(Status::ErrorIncorrectSizeAesCbcIv(), DecryptInternal( | |
| 768 webcrypto::CreateAesCbcAlgorithm(iv), key, input, &output)); | |
| 769 } | |
| 770 | |
| 771 // Give an input that is too large (would cause integer overflow when | |
| 772 // narrowing to an int). | |
| 773 { | |
| 774 std::vector<uint8> iv(16); | |
| 775 | |
| 776 // Pretend the input is large. Don't pass data pointer as NULL in case that | |
| 777 // is special cased; the implementation shouldn't actually dereference the | |
| 778 // data. | |
| 779 const unsigned char* input = &iv[0]; | |
| 780 unsigned int input_len = INT_MAX - 3; | |
| 781 | |
| 782 EXPECT_STATUS(Status::ErrorDataTooLarge(), EncryptInternal( | |
| 783 webcrypto::CreateAesCbcAlgorithm(iv), key, input, input_len, &output)); | |
| 784 EXPECT_STATUS(Status::ErrorDataTooLarge(), DecryptInternal( | |
| 785 webcrypto::CreateAesCbcAlgorithm(iv), key, input, input_len, &output)); | |
| 786 } | |
| 787 | |
| 788 // Fail importing the key (too few bytes specified) | |
| 789 { | |
| 790 std::vector<uint8> key_raw(1); | |
| 791 std::vector<uint8> iv(16); | |
| 792 | |
| 793 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 794 EXPECT_STATUS( | |
| 795 Status::Error(), | |
| 796 ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 797 key_raw, | |
| 798 webcrypto::CreateAesCbcAlgorithm(iv), | |
| 799 true, | |
| 800 blink::WebCryptoKeyUsageEncrypt, | |
| 801 &key)); | |
| 802 } | |
| 803 | |
| 804 // TODO(eroman): Enable for OpenSSL once implemented. | |
| 805 #if !defined(USE_OPENSSL) | |
| 806 // Fail exporting the key in SPKI and PKCS#8 formats (not allowed for secret | |
| 807 // keys). | |
| 808 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 809 ExportKeyInternal(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 810 EXPECT_STATUS(Status::ErrorUnsupported(), | |
| 811 ExportKeyInternal(blink::WebCryptoKeyFormatPkcs8, key, &output)); | |
| 812 #endif | |
| 813 } | |
| 814 | |
| 815 TEST_F(WebCryptoImplTest, MAYBE(AesCbcSampleSets)) { | |
| 816 scoped_ptr<base::ListValue> tests; | |
| 817 ASSERT_TRUE(ReadJsonTestFileToList("aes_cbc.json", &tests)); | |
| 818 | |
| 819 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 820 SCOPED_TRACE(test_index); | |
| 821 base::DictionaryValue* test; | |
| 822 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 823 | |
| 824 std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 825 std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); | |
| 826 std::vector<uint8> test_plain_text = | |
| 827 GetBytesFromHexString(test, "plain_text"); | |
| 828 std::vector<uint8> test_cipher_text = | |
| 829 GetBytesFromHexString(test, "cipher_text"); | |
| 830 | |
| 831 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 832 test_key, | |
| 833 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 834 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 835 | |
| 836 // Verify exported raw key is identical to the imported data | |
| 837 blink::WebArrayBuffer raw_key; | |
| 838 EXPECT_STATUS_SUCCESS(ExportKeyInternal( | |
| 839 blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 840 ExpectArrayBufferMatches(test_key, raw_key); | |
| 841 | |
| 842 blink::WebArrayBuffer output; | |
| 843 | |
| 844 // Test encryption. | |
| 845 EXPECT_STATUS( | |
| 846 Status::Success(), | |
| 847 EncryptInternal(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 848 key, | |
| 849 test_plain_text, | |
| 850 &output)); | |
| 851 ExpectArrayBufferMatches(test_cipher_text, output); | |
| 852 | |
| 853 // Test decryption. | |
| 854 EXPECT_STATUS( | |
| 855 Status::Success(), | |
| 856 DecryptInternal(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 857 key, | |
| 858 test_cipher_text, | |
| 859 &output)); | |
| 860 ExpectArrayBufferMatches(test_plain_text, output); | |
| 861 | |
| 862 const unsigned int kAesCbcBlockSize = 16; | |
| 863 | |
| 864 // Decrypt with a padding error by stripping the last block. This also ends | |
| 865 // up testing decryption over empty cipher text. | |
| 866 if (test_cipher_text.size() >= kAesCbcBlockSize) { | |
| 867 EXPECT_STATUS( | |
| 868 Status::Error(), | |
| 869 DecryptInternal(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 870 key, | |
| 871 &test_cipher_text[0], | |
| 872 test_cipher_text.size() - kAesCbcBlockSize, | |
| 873 &output)); | |
| 874 } | |
| 875 | |
| 876 // Decrypt cipher text which is not a multiple of block size by stripping | |
| 877 // a few bytes off the cipher text. | |
| 878 if (test_cipher_text.size() > 3) { | |
| 879 EXPECT_STATUS( | |
| 880 Status::Error(), | |
| 881 DecryptInternal(webcrypto::CreateAesCbcAlgorithm(test_iv), | |
| 882 key, | |
| 883 &test_cipher_text[0], | |
| 884 test_cipher_text.size() - 3, | |
| 885 &output)); | |
| 886 } | |
| 887 } | |
| 888 } | |
| 889 | |
| 890 TEST_F(WebCryptoImplTest, MAYBE(GenerateKeyAes)) { | |
| 891 // Check key generation for each of AES-CBC, AES-GCM, and AES-KW, and for each | |
| 892 // allowed key length. | |
| 893 std::vector<blink::WebCryptoAlgorithm> algorithm; | |
| 894 const unsigned short kKeyLength[] = {128, 192, 256}; | |
| 895 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLength); ++i) { | |
| 896 algorithm.push_back(CreateAesCbcKeyGenAlgorithm(kKeyLength[i])); | |
| 897 algorithm.push_back(CreateAesGcmKeyGenAlgorithm(kKeyLength[i])); | |
| 898 algorithm.push_back(CreateAesKwKeyGenAlgorithm(kKeyLength[i])); | |
| 899 } | |
| 900 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 901 std::vector<blink::WebArrayBuffer> keys; | |
| 902 blink::WebArrayBuffer key_bytes; | |
| 903 for (size_t i = 0; i < algorithm.size(); ++i) { | |
| 904 SCOPED_TRACE(i); | |
| 905 // Generate a small sample of keys. | |
| 906 keys.clear(); | |
| 907 for (int j = 0; j < 16; ++j) { | |
| 908 ASSERT_STATUS_SUCCESS(GenerateKeyInternal(algorithm[i], &key)); | |
| 909 EXPECT_TRUE(key.handle()); | |
| 910 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 911 ASSERT_STATUS_SUCCESS( | |
| 912 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &key_bytes)); | |
| 913 keys.push_back(key_bytes); | |
| 914 } | |
| 915 // Ensure all entries in the key sample set are unique. This is a simplistic | |
| 916 // estimate of whether the generated keys appear random. | |
| 917 EXPECT_FALSE(CopiesExist(keys)); | |
| 918 } | |
| 919 } | |
| 920 | |
| 921 TEST_F(WebCryptoImplTest, MAYBE(GenerateKeyAesBadLength)) { | |
| 922 const unsigned short kKeyLen[] = {0, 127, 257}; | |
| 923 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 924 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLen); ++i) { | |
| 925 SCOPED_TRACE(i); | |
| 926 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), GenerateKeyInternal( | |
| 927 CreateAesCbcKeyGenAlgorithm(kKeyLen[i]), &key)); | |
| 928 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), GenerateKeyInternal( | |
| 929 CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), &key)); | |
| 930 EXPECT_STATUS(Status::ErrorGenerateKeyLength(), GenerateKeyInternal( | |
| 931 CreateAesKwKeyGenAlgorithm(kKeyLen[i]), &key)); | |
| 932 } | |
| 933 } | |
| 934 | |
| 935 TEST_F(WebCryptoImplTest, MAYBE(GenerateKeyHmac)) { | |
| 936 // Generate a small sample of HMAC keys. | |
| 937 std::vector<blink::WebArrayBuffer> keys; | |
| 938 for (int i = 0; i < 16; ++i) { | |
| 939 blink::WebArrayBuffer key_bytes; | |
| 940 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 941 blink::WebCryptoAlgorithm algorithm = webcrypto::CreateHmacKeyGenAlgorithm( | |
| 942 blink::WebCryptoAlgorithmIdSha1, 64); | |
| 943 ASSERT_STATUS_SUCCESS(GenerateKeyInternal(algorithm, &key)); | |
| 944 EXPECT_FALSE(key.isNull()); | |
| 945 EXPECT_TRUE(key.handle()); | |
| 946 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 947 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); | |
| 948 | |
| 949 blink::WebArrayBuffer raw_key; | |
| 950 ASSERT_STATUS_SUCCESS( | |
| 951 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 952 EXPECT_EQ(64U, raw_key.byteLength()); | |
| 953 keys.push_back(raw_key); | |
| 954 } | |
| 955 // Ensure all entries in the key sample set are unique. This is a simplistic | |
| 956 // estimate of whether the generated keys appear random. | |
| 957 EXPECT_FALSE(CopiesExist(keys)); | |
| 958 } | |
| 959 | |
| 960 // If the key length is not provided, then the block size is used. | |
| 961 TEST_F(WebCryptoImplTest, MAYBE(GenerateKeyHmacNoLength)) { | |
| 962 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 963 blink::WebCryptoAlgorithm algorithm = | |
| 964 webcrypto::CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha1, 0); | |
| 965 ASSERT_STATUS_SUCCESS(GenerateKeyInternal(algorithm, &key)); | |
| 966 EXPECT_TRUE(key.handle()); | |
| 967 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 968 blink::WebArrayBuffer raw_key; | |
| 969 ASSERT_STATUS_SUCCESS( | |
| 970 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 971 EXPECT_EQ(64U, raw_key.byteLength()); | |
| 972 | |
| 973 // The block size for HMAC SHA-512 is larger. | |
| 974 algorithm = webcrypto::CreateHmacKeyGenAlgorithm( | |
| 975 blink::WebCryptoAlgorithmIdSha512, 0); | |
| 976 ASSERT_STATUS_SUCCESS(GenerateKeyInternal(algorithm, &key)); | |
| 977 ASSERT_STATUS_SUCCESS( | |
| 978 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 979 EXPECT_EQ(128U, raw_key.byteLength()); | |
| 980 } | |
| 981 | |
| 982 TEST_F(WebCryptoImplTest, MAYBE(ImportSecretKeyNoAlgorithm)) { | |
| 983 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 984 | |
| 985 // This fails because the algorithm is null. | |
| 986 EXPECT_STATUS(Status::ErrorMissingAlgorithmImportRawKey(), ImportKeyInternal( | |
| 987 blink::WebCryptoKeyFormatRaw, | |
| 988 HexStringToBytes("00000000000000000000"), | |
| 989 blink::WebCryptoAlgorithm::createNull(), | |
| 990 true, | |
| 991 blink::WebCryptoKeyUsageEncrypt, | |
| 992 &key)); | |
| 993 } | |
| 994 | |
| 995 | |
| 996 TEST_F(WebCryptoImplTest, ImportJwkFailures) { | |
| 997 | |
| 998 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 999 blink::WebCryptoAlgorithm algorithm = | |
| 1000 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); | |
| 1001 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 1002 | |
| 1003 // Baseline pass: each test below breaks a single item, so we start with a | |
| 1004 // passing case to make sure each failure is caused by the isolated break. | |
| 1005 // Each breaking subtest below resets the dictionary to this passing case when | |
| 1006 // complete. | |
| 1007 base::DictionaryValue dict; | |
| 1008 RestoreJwkOctDictionary(&dict); | |
| 1009 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1010 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1011 | |
| 1012 // Fail on empty JSON. | |
| 1013 EXPECT_STATUS(Status::ErrorImportEmptyKeyData(), ImportKeyJwk( | |
| 1014 MakeJsonVector(""), algorithm, false, usage_mask, &key)); | |
| 1015 | |
| 1016 // Fail on invalid JSON. | |
| 1017 const std::vector<uint8> bad_json_vec = MakeJsonVector( | |
| 1018 "{" | |
| 1019 "\"kty\" : \"oct\"," | |
| 1020 "\"alg\" : \"HS256\"," | |
| 1021 "\"use\" : " | |
| 1022 ); | |
| 1023 EXPECT_STATUS(Status::ErrorJwkNotDictionary(), | |
| 1024 ImportKeyJwk(bad_json_vec, algorithm, false, usage_mask, &key)); | |
| 1025 | |
| 1026 // Fail on JWK alg present but unrecognized. | |
| 1027 dict.SetString("alg", "A127CBC"); | |
| 1028 EXPECT_STATUS(Status::ErrorJwkUnrecognizedAlgorithm(), ImportKeyJwk( | |
| 1029 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1030 RestoreJwkOctDictionary(&dict); | |
| 1031 | |
| 1032 // Fail on both JWK and input algorithm missing. | |
| 1033 dict.Remove("alg", NULL); | |
| 1034 EXPECT_STATUS( | |
| 1035 Status::ErrorJwkAlgorithmMissing(), | |
| 1036 ImportKeyJwk(MakeJsonVector(dict), | |
| 1037 blink::WebCryptoAlgorithm::createNull(), | |
| 1038 false, | |
| 1039 usage_mask, | |
| 1040 &key)); | |
| 1041 RestoreJwkOctDictionary(&dict); | |
| 1042 | |
| 1043 // Fail on invalid kty. | |
| 1044 dict.SetString("kty", "foo"); | |
| 1045 EXPECT_STATUS(Status::ErrorJwkUnrecognizedKty(), ImportKeyJwk( | |
| 1046 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1047 RestoreJwkOctDictionary(&dict); | |
| 1048 | |
| 1049 // Fail on missing kty. | |
| 1050 dict.Remove("kty", NULL); | |
| 1051 EXPECT_STATUS( | |
| 1052 Status::ErrorJwkPropertyMissing("kty"), | |
| 1053 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1054 RestoreJwkOctDictionary(&dict); | |
| 1055 | |
| 1056 // Fail on kty wrong type. | |
| 1057 dict.SetDouble("kty", 0.1); | |
| 1058 EXPECT_STATUS( | |
| 1059 Status::ErrorJwkPropertyWrongType("kty", "string"), | |
| 1060 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1061 RestoreJwkOctDictionary(&dict); | |
| 1062 | |
| 1063 // Fail on invalid use. | |
| 1064 dict.SetString("use", "foo"); | |
| 1065 EXPECT_STATUS(Status::ErrorJwkUnrecognizedUsage(), ImportKeyJwk( | |
| 1066 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1067 RestoreJwkOctDictionary(&dict); | |
| 1068 | |
| 1069 // Fail on invalid use (wrong type). | |
| 1070 dict.SetBoolean("use", true); | |
| 1071 EXPECT_STATUS( | |
| 1072 Status::ErrorJwkPropertyWrongType("use", "string"), | |
| 1073 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1074 RestoreJwkOctDictionary(&dict); | |
| 1075 | |
| 1076 // Fail on invalid extractable (wrong type). | |
| 1077 dict.SetInteger("extractable", 0); | |
| 1078 EXPECT_STATUS( | |
| 1079 Status::ErrorJwkPropertyWrongType("extractable", "boolean"), | |
| 1080 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1081 RestoreJwkOctDictionary(&dict); | |
| 1082 } | |
| 1083 | |
| 1084 TEST_F(WebCryptoImplTest, ImportJwkOctFailures) { | |
| 1085 | |
| 1086 base::DictionaryValue dict; | |
| 1087 RestoreJwkOctDictionary(&dict); | |
| 1088 blink::WebCryptoAlgorithm algorithm = | |
| 1089 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); | |
| 1090 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 1091 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1092 | |
| 1093 // Baseline pass. | |
| 1094 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1095 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1096 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 1097 EXPECT_FALSE(key.extractable()); | |
| 1098 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1099 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 1100 | |
| 1101 // The following are specific failure cases for when kty = "oct". | |
| 1102 | |
| 1103 // Fail on missing k. | |
| 1104 dict.Remove("k", NULL); | |
| 1105 EXPECT_STATUS( | |
| 1106 Status::ErrorJwkPropertyMissing("k"), | |
| 1107 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1108 RestoreJwkOctDictionary(&dict); | |
| 1109 | |
| 1110 // Fail on bad b64 encoding for k. | |
| 1111 dict.SetString("k", "Qk3f0DsytU8lfza2au #$% Htaw2xpop9GYyTuH0p5GghxTI="); | |
| 1112 EXPECT_STATUS( | |
| 1113 Status::ErrorJwkBase64Decode("k"), | |
| 1114 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1115 RestoreJwkOctDictionary(&dict); | |
| 1116 | |
| 1117 // Fail on empty k. | |
| 1118 dict.SetString("k", ""); | |
| 1119 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), ImportKeyJwk( | |
| 1120 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1121 RestoreJwkOctDictionary(&dict); | |
| 1122 | |
| 1123 // Fail on k actual length (120 bits) inconsistent with the embedded JWK alg | |
| 1124 // value (128) for an AES key. | |
| 1125 dict.SetString("k", "AVj42h0Y5aqGtE3yluKL"); | |
| 1126 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), ImportKeyJwk( | |
| 1127 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1128 RestoreJwkOctDictionary(&dict); | |
| 1129 | |
| 1130 // Fail on k actual length (192 bits) inconsistent with the embedded JWK alg | |
| 1131 // value (128) for an AES key. | |
| 1132 dict.SetString("k", "dGhpcyAgaXMgIDI0ICBieXRlcyBsb25n"); | |
| 1133 EXPECT_STATUS(Status::ErrorJwkIncorrectKeyLength(), ImportKeyJwk( | |
| 1134 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1135 RestoreJwkOctDictionary(&dict); | |
| 1136 } | |
| 1137 | |
| 1138 TEST_F(WebCryptoImplTest, MAYBE(ImportJwkRsaFailures)) { | |
| 1139 | |
| 1140 base::DictionaryValue dict; | |
| 1141 RestoreJwkRsaDictionary(&dict); | |
| 1142 blink::WebCryptoAlgorithm algorithm = | |
| 1143 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1144 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; | |
| 1145 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1146 | |
| 1147 // An RSA public key JWK _must_ have an "n" (modulus) and an "e" (exponent) | |
| 1148 // entry, while an RSA private key must have those plus at least a "d" | |
| 1149 // (private exponent) entry. | |
| 1150 // See http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-18, | |
| 1151 // section 6.3. | |
| 1152 | |
| 1153 // Baseline pass. | |
| 1154 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1155 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1156 EXPECT_EQ(algorithm.id(), key.algorithm().id()); | |
| 1157 EXPECT_FALSE(key.extractable()); | |
| 1158 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1159 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); | |
| 1160 | |
| 1161 // The following are specific failure cases for when kty = "RSA". | |
| 1162 | |
| 1163 // Fail if either "n" or "e" is not present or malformed. | |
| 1164 const std::string kKtyParmName[] = {"n", "e"}; | |
| 1165 for (size_t idx = 0; idx < ARRAYSIZE_UNSAFE(kKtyParmName); ++idx) { | |
| 1166 | |
| 1167 // Fail on missing parameter. | |
| 1168 dict.Remove(kKtyParmName[idx], NULL); | |
| 1169 EXPECT_STATUS_ERROR(ImportKeyJwk( | |
| 1170 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1171 RestoreJwkRsaDictionary(&dict); | |
| 1172 | |
| 1173 // Fail on bad b64 parameter encoding. | |
| 1174 dict.SetString(kKtyParmName[idx], "Qk3f0DsytU8lfza2au #$% Htaw2xpop9yTuH0"); | |
| 1175 EXPECT_STATUS_ERROR(ImportKeyJwk( | |
| 1176 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1177 RestoreJwkRsaDictionary(&dict); | |
| 1178 | |
| 1179 // Fail on empty parameter. | |
| 1180 dict.SetString(kKtyParmName[idx], ""); | |
| 1181 EXPECT_STATUS_ERROR(ImportKeyJwk( | |
| 1182 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1183 RestoreJwkRsaDictionary(&dict); | |
| 1184 } | |
| 1185 | |
| 1186 // Fail if "d" parameter is present, implying the JWK is a private key, which | |
| 1187 // is not supported. | |
| 1188 dict.SetString("d", "Qk3f0Dsyt"); | |
| 1189 EXPECT_STATUS(Status::ErrorJwkRsaPrivateKeyUnsupported(), ImportKeyJwk( | |
| 1190 MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1191 RestoreJwkRsaDictionary(&dict); | |
| 1192 } | |
| 1193 | |
| 1194 TEST_F(WebCryptoImplTest, MAYBE(ImportJwkInputConsistency)) { | |
| 1195 // The Web Crypto spec says that if a JWK value is present, but is | |
| 1196 // inconsistent with the input value, the operation must fail. | |
| 1197 | |
| 1198 // Consistency rules when JWK value is not present: Inputs should be used. | |
| 1199 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1200 bool extractable = false; | |
| 1201 blink::WebCryptoAlgorithm algorithm = | |
| 1202 webcrypto::CreateHmacAlgorithmByHashId(blink::WebCryptoAlgorithmIdSha256); | |
| 1203 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageVerify; | |
| 1204 base::DictionaryValue dict; | |
| 1205 dict.SetString("kty", "oct"); | |
| 1206 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1207 std::vector<uint8> json_vec = MakeJsonVector(dict); | |
| 1208 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1209 json_vec, algorithm, extractable, usage_mask, &key)); | |
| 1210 EXPECT_TRUE(key.handle()); | |
| 1211 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); | |
| 1212 EXPECT_EQ(extractable, key.extractable()); | |
| 1213 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); | |
| 1214 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, | |
| 1215 key.algorithm().hmacParams()->hash().id()); | |
| 1216 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages()); | |
| 1217 key = blink::WebCryptoKey::createNull(); | |
| 1218 | |
| 1219 // Consistency rules when JWK value exists: Fail if inconsistency is found. | |
| 1220 | |
| 1221 // Pass: All input values are consistent with the JWK values. | |
| 1222 dict.Clear(); | |
| 1223 dict.SetString("kty", "oct"); | |
| 1224 dict.SetString("alg", "HS256"); | |
| 1225 dict.SetString("use", "sig"); | |
| 1226 dict.SetBoolean("extractable", false); | |
| 1227 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1228 json_vec = MakeJsonVector(dict); | |
| 1229 EXPECT_STATUS_SUCCESS( | |
| 1230 ImportKeyJwk(json_vec, algorithm, extractable, usage_mask, &key)); | |
| 1231 | |
| 1232 // Extractable cases: | |
| 1233 // 1. input=T, JWK=F ==> fail (inconsistent) | |
| 1234 // 4. input=F, JWK=F ==> pass, result extractable is F | |
| 1235 // 2. input=T, JWK=T ==> pass, result extractable is T | |
| 1236 // 3. input=F, JWK=T ==> pass, result extractable is F | |
| 1237 EXPECT_STATUS(Status::ErrorJwkExtractableInconsistent(), | |
| 1238 ImportKeyJwk(json_vec, algorithm, true, usage_mask, &key)); | |
| 1239 EXPECT_STATUS_SUCCESS( | |
| 1240 ImportKeyJwk(json_vec, algorithm, false, usage_mask, &key)); | |
| 1241 EXPECT_FALSE(key.extractable()); | |
| 1242 dict.SetBoolean("extractable", true); | |
| 1243 EXPECT_STATUS_SUCCESS( | |
| 1244 ImportKeyJwk(MakeJsonVector(dict), algorithm, true, usage_mask, &key)); | |
| 1245 EXPECT_TRUE(key.extractable()); | |
| 1246 EXPECT_STATUS_SUCCESS( | |
| 1247 ImportKeyJwk(MakeJsonVector(dict), algorithm, false, usage_mask, &key)); | |
| 1248 EXPECT_FALSE(key.extractable()); | |
| 1249 dict.SetBoolean("extractable", true); // restore previous value | |
| 1250 | |
| 1251 // Fail: Input algorithm (AES-CBC) is inconsistent with JWK value | |
| 1252 // (HMAC SHA256). | |
| 1253 EXPECT_STATUS(Status::ErrorJwkAlgorithmInconsistent(), ImportKeyJwk( | |
| 1254 json_vec, | |
| 1255 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1256 extractable, | |
| 1257 usage_mask, | |
| 1258 &key)); | |
| 1259 | |
| 1260 // Fail: Input algorithm (HMAC SHA1) is inconsistent with JWK value | |
| 1261 // (HMAC SHA256). | |
| 1262 EXPECT_STATUS(Status::ErrorJwkAlgorithmInconsistent(), ImportKeyJwk( | |
| 1263 json_vec, | |
| 1264 webcrypto::CreateHmacAlgorithmByHashId(blink::WebCryptoAlgorithmIdSha1), | |
| 1265 extractable, | |
| 1266 usage_mask, | |
| 1267 &key)); | |
| 1268 | |
| 1269 // Pass: JWK alg valid but input algorithm isNull: use JWK algorithm value. | |
| 1270 EXPECT_STATUS_SUCCESS(ImportKeyJwk(json_vec, | |
| 1271 blink::WebCryptoAlgorithm::createNull(), | |
| 1272 extractable, | |
| 1273 usage_mask, | |
| 1274 &key)); | |
| 1275 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, algorithm.id()); | |
| 1276 | |
| 1277 // Pass: JWK alg missing but input algorithm specified: use input value | |
| 1278 dict.Remove("alg", NULL); | |
| 1279 EXPECT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1280 MakeJsonVector(dict), | |
| 1281 webcrypto::CreateHmacAlgorithmByHashId(blink::WebCryptoAlgorithmIdSha256), | |
| 1282 extractable, | |
| 1283 usage_mask, | |
| 1284 &key)); | |
| 1285 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, algorithm.id()); | |
| 1286 dict.SetString("alg", "HS256"); | |
| 1287 | |
| 1288 // Fail: Input usage_mask (encrypt) is not a subset of the JWK value | |
| 1289 // (sign|verify) | |
| 1290 EXPECT_STATUS(Status::ErrorJwkUsageInconsistent(), ImportKeyJwk( | |
| 1291 json_vec, algorithm, extractable, blink::WebCryptoKeyUsageEncrypt, &key)); | |
| 1292 | |
| 1293 // Fail: Input usage_mask (encrypt|sign|verify) is not a subset of the JWK | |
| 1294 // value (sign|verify) | |
| 1295 usage_mask = blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageSign | | |
| 1296 blink::WebCryptoKeyUsageVerify; | |
| 1297 EXPECT_STATUS( | |
| 1298 Status::ErrorJwkUsageInconsistent(), | |
| 1299 ImportKeyJwk(json_vec, algorithm, extractable, usage_mask, &key)); | |
| 1300 | |
| 1301 // TODO(padolph): kty vs alg consistency tests: Depending on the kty value, | |
| 1302 // only certain alg values are permitted. For example, when kty = "RSA" alg | |
| 1303 // must be of the RSA family, or when kty = "oct" alg must be symmetric | |
| 1304 // algorithm. | |
| 1305 } | |
| 1306 | |
| 1307 TEST_F(WebCryptoImplTest, MAYBE(ImportJwkHappy)) { | |
| 1308 | |
| 1309 // This test verifies the happy path of JWK import, including the application | |
| 1310 // of the imported key material. | |
| 1311 | |
| 1312 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1313 bool extractable = false; | |
| 1314 blink::WebCryptoAlgorithm algorithm = | |
| 1315 webcrypto::CreateHmacAlgorithmByHashId(blink::WebCryptoAlgorithmIdSha256); | |
| 1316 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageSign; | |
| 1317 | |
| 1318 // Import a symmetric key JWK and HMAC-SHA256 sign() | |
| 1319 // Uses the first SHA256 test vector from the HMAC sample set above. | |
| 1320 | |
| 1321 base::DictionaryValue dict; | |
| 1322 dict.SetString("kty", "oct"); | |
| 1323 dict.SetString("alg", "HS256"); | |
| 1324 dict.SetString("use", "sig"); | |
| 1325 dict.SetBoolean("extractable", false); | |
| 1326 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); | |
| 1327 std::vector<uint8> json_vec = MakeJsonVector(dict); | |
| 1328 | |
| 1329 ASSERT_STATUS_SUCCESS(ImportKeyJwk( | |
| 1330 json_vec, algorithm, extractable, usage_mask, &key)); | |
| 1331 | |
| 1332 const std::vector<uint8> message_raw = HexStringToBytes( | |
| 1333 "b1689c2591eaf3c9e66070f8a77954ffb81749f1b00346f9dfe0b2ee905dcc288baf4a" | |
| 1334 "92de3f4001dd9f44c468c3d07d6c6ee82faceafc97c2fc0fc0601719d2dcd0aa2aec92" | |
| 1335 "d1b0ae933c65eb06a03c9c935c2bad0459810241347ab87e9f11adb30415424c6c7f5f" | |
| 1336 "22a003b8ab8de54f6ded0e3ab9245fa79568451dfa258e"); | |
| 1337 | |
| 1338 blink::WebArrayBuffer output; | |
| 1339 | |
| 1340 ASSERT_STATUS_SUCCESS(SignInternal(algorithm, key, message_raw, &output)); | |
| 1341 | |
| 1342 const std::string mac_raw = | |
| 1343 "769f00d3e6a6cc1fb426a14a4f76c6462e6149726e0dee0ec0cf97a16605ac8b"; | |
| 1344 | |
| 1345 ExpectArrayBufferMatchesHex(mac_raw, output); | |
| 1346 | |
| 1347 // TODO(padolph): Import an RSA public key JWK and use it | |
| 1348 } | |
| 1349 | |
| 1350 TEST_F(WebCryptoImplTest, MAYBE(ImportExportSpki)) { | |
| 1351 // Passing case: Import a valid RSA key in SPKI format. | |
| 1352 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1353 ASSERT_STATUS_SUCCESS(ImportKeyInternal( | |
| 1354 blink::WebCryptoKeyFormatSpki, | |
| 1355 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1356 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1357 true, | |
| 1358 blink::WebCryptoKeyUsageEncrypt, | |
| 1359 &key)); | |
| 1360 EXPECT_TRUE(key.handle()); | |
| 1361 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); | |
| 1362 EXPECT_TRUE(key.extractable()); | |
| 1363 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); | |
| 1364 | |
| 1365 // Failing case: Empty SPKI data | |
| 1366 EXPECT_STATUS(Status::ErrorImportEmptyKeyData(), ImportKeyInternal( | |
| 1367 blink::WebCryptoKeyFormatSpki, | |
| 1368 std::vector<uint8>(), | |
| 1369 blink::WebCryptoAlgorithm::createNull(), | |
| 1370 true, | |
| 1371 blink::WebCryptoKeyUsageEncrypt, | |
| 1372 &key)); | |
| 1373 | |
| 1374 // Failing case: Import RSA key with NULL input algorithm. This is not | |
| 1375 // allowed because the SPKI ASN.1 format for RSA keys is not specific enough | |
| 1376 // to map to a Web Crypto algorithm. | |
| 1377 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1378 blink::WebCryptoKeyFormatSpki, | |
| 1379 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1380 blink::WebCryptoAlgorithm::createNull(), | |
| 1381 true, | |
| 1382 blink::WebCryptoKeyUsageEncrypt, | |
| 1383 &key)); | |
| 1384 | |
| 1385 // Failing case: Bad DER encoding. | |
| 1386 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1387 blink::WebCryptoKeyFormatSpki, | |
| 1388 HexStringToBytes("618333c4cb"), | |
| 1389 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1390 true, | |
| 1391 blink::WebCryptoKeyUsageEncrypt, | |
| 1392 &key)); | |
| 1393 | |
| 1394 // Failing case: Import RSA key but provide an inconsistent input algorithm. | |
| 1395 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1396 blink::WebCryptoKeyFormatSpki, | |
| 1397 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1398 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1399 true, | |
| 1400 blink::WebCryptoKeyUsageEncrypt, | |
| 1401 &key)); | |
| 1402 | |
| 1403 // Passing case: Export a previously imported RSA public key in SPKI format | |
| 1404 // and compare to original data. | |
| 1405 blink::WebArrayBuffer output; | |
| 1406 ASSERT_STATUS_SUCCESS( | |
| 1407 ExportKeyInternal(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 1408 ExpectArrayBufferMatchesHex(kPublicKeySpkiDerHex, output); | |
| 1409 | |
| 1410 // Failing case: Try to export a previously imported RSA public key in raw | |
| 1411 // format (not allowed for a public key). | |
| 1412 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1413 ExportKeyInternal(blink::WebCryptoKeyFormatRaw, key, &output)); | |
| 1414 | |
| 1415 // Failing case: Try to export a non-extractable key | |
| 1416 ASSERT_STATUS_SUCCESS(ImportKeyInternal( | |
| 1417 blink::WebCryptoKeyFormatSpki, | |
| 1418 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1419 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5), | |
| 1420 false, | |
| 1421 blink::WebCryptoKeyUsageEncrypt, | |
| 1422 &key)); | |
| 1423 EXPECT_TRUE(key.handle()); | |
| 1424 EXPECT_FALSE(key.extractable()); | |
| 1425 EXPECT_STATUS(Status::ErrorKeyNotExtractable(), | |
| 1426 ExportKeyInternal(blink::WebCryptoKeyFormatSpki, key, &output)); | |
| 1427 } | |
| 1428 | |
| 1429 TEST_F(WebCryptoImplTest, MAYBE(ImportPkcs8)) { | |
| 1430 // Passing case: Import a valid RSA key in PKCS#8 format. | |
| 1431 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1432 ASSERT_STATUS_SUCCESS(ImportKeyInternal( | |
| 1433 blink::WebCryptoKeyFormatPkcs8, | |
| 1434 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1435 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), | |
| 1436 true, | |
| 1437 blink::WebCryptoKeyUsageSign, | |
| 1438 &key)); | |
| 1439 EXPECT_TRUE(key.handle()); | |
| 1440 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, key.type()); | |
| 1441 EXPECT_TRUE(key.extractable()); | |
| 1442 EXPECT_EQ(blink::WebCryptoKeyUsageSign, key.usages()); | |
| 1443 | |
| 1444 // Failing case: Empty PKCS#8 data | |
| 1445 EXPECT_STATUS(Status::ErrorImportEmptyKeyData(), ImportKeyInternal( | |
| 1446 blink::WebCryptoKeyFormatPkcs8, | |
| 1447 std::vector<uint8>(), | |
| 1448 blink::WebCryptoAlgorithm::createNull(), | |
| 1449 true, | |
| 1450 blink::WebCryptoKeyUsageSign, | |
| 1451 &key)); | |
| 1452 | |
| 1453 // Failing case: Import RSA key with NULL input algorithm. This is not | |
| 1454 // allowed because the PKCS#8 ASN.1 format for RSA keys is not specific enough | |
| 1455 // to map to a Web Crypto algorithm. | |
| 1456 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1457 blink::WebCryptoKeyFormatPkcs8, | |
| 1458 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1459 blink::WebCryptoAlgorithm::createNull(), | |
| 1460 true, | |
| 1461 blink::WebCryptoKeyUsageSign, | |
| 1462 &key)); | |
| 1463 | |
| 1464 // Failing case: Bad DER encoding. | |
| 1465 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1466 blink::WebCryptoKeyFormatPkcs8, | |
| 1467 HexStringToBytes("618333c4cb"), | |
| 1468 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), | |
| 1469 true, | |
| 1470 blink::WebCryptoKeyUsageSign, | |
| 1471 &key)); | |
| 1472 | |
| 1473 // Failing case: Import RSA key but provide an inconsistent input algorithm. | |
| 1474 EXPECT_STATUS(Status::Error(), ImportKeyInternal( | |
| 1475 blink::WebCryptoKeyFormatPkcs8, | |
| 1476 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1477 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), | |
| 1478 true, | |
| 1479 blink::WebCryptoKeyUsageSign, | |
| 1480 &key)); | |
| 1481 } | |
| 1482 | |
| 1483 TEST_F(WebCryptoImplTest, MAYBE(GenerateKeyPairRsa)) { | |
| 1484 // Note: using unrealistic short key lengths here to avoid bogging down tests. | |
| 1485 | |
| 1486 // Successful WebCryptoAlgorithmIdRsaEsPkcs1v1_5 key generation. | |
| 1487 const unsigned int modulus_length = 256; | |
| 1488 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); | |
| 1489 blink::WebCryptoAlgorithm algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1490 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1491 modulus_length, | |
| 1492 public_exponent); | |
| 1493 bool extractable = false; | |
| 1494 const blink::WebCryptoKeyUsageMask usage_mask = 0; | |
| 1495 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1496 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1497 EXPECT_STATUS_SUCCESS(GenerateKeyPairInternal( | |
| 1498 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1499 EXPECT_FALSE(public_key.isNull()); | |
| 1500 EXPECT_FALSE(private_key.isNull()); | |
| 1501 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1502 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1503 EXPECT_TRUE(public_key.extractable()); | |
| 1504 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1505 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1506 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1507 | |
| 1508 // Fail with bad modulus. | |
| 1509 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1510 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, 0, public_exponent); | |
| 1511 EXPECT_STATUS(Status::ErrorGenerateRsaZeroModulus(), GenerateKeyPairInternal( | |
| 1512 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1513 | |
| 1514 // Fail with bad exponent: larger than unsigned long. | |
| 1515 unsigned int exponent_length = sizeof(unsigned long) + 1; // NOLINT | |
| 1516 const std::vector<uint8> long_exponent(exponent_length, 0x01); | |
| 1517 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1518 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1519 modulus_length, | |
| 1520 long_exponent); | |
| 1521 EXPECT_STATUS(Status::ErrorGenerateKeyPublicExponent(), | |
| 1522 GenerateKeyPairInternal(algorithm, extractable, usage_mask, &public_key, | |
| 1523 &private_key)); | |
| 1524 | |
| 1525 // Fail with bad exponent: empty. | |
| 1526 const std::vector<uint8> empty_exponent; | |
| 1527 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1528 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1529 modulus_length, | |
| 1530 empty_exponent); | |
| 1531 EXPECT_STATUS(Status::ErrorGenerateKeyPublicExponent(), | |
| 1532 GenerateKeyPairInternal(algorithm, extractable, usage_mask, &public_key, | |
| 1533 &private_key)); | |
| 1534 | |
| 1535 // Fail with bad exponent: all zeros. | |
| 1536 std::vector<uint8> exponent_with_leading_zeros(15, 0x00); | |
| 1537 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1538 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1539 modulus_length, | |
| 1540 exponent_with_leading_zeros); | |
| 1541 EXPECT_STATUS(Status::ErrorGenerateKeyPublicExponent(), | |
| 1542 GenerateKeyPairInternal(algorithm, extractable, usage_mask, &public_key, | |
| 1543 &private_key)); | |
| 1544 | |
| 1545 // Key generation success using exponent with leading zeros. | |
| 1546 exponent_with_leading_zeros.insert(exponent_with_leading_zeros.end(), | |
| 1547 public_exponent.begin(), | |
| 1548 public_exponent.end()); | |
| 1549 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1550 blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5, | |
| 1551 modulus_length, | |
| 1552 exponent_with_leading_zeros); | |
| 1553 EXPECT_STATUS_SUCCESS(GenerateKeyPairInternal( | |
| 1554 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1555 EXPECT_FALSE(public_key.isNull()); | |
| 1556 EXPECT_FALSE(private_key.isNull()); | |
| 1557 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1558 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1559 EXPECT_TRUE(public_key.extractable()); | |
| 1560 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1561 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1562 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1563 | |
| 1564 // Successful WebCryptoAlgorithmIdRsaOaep key generation. | |
| 1565 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1566 blink::WebCryptoAlgorithmIdRsaOaep, modulus_length, public_exponent); | |
| 1567 EXPECT_STATUS_SUCCESS(GenerateKeyPairInternal( | |
| 1568 algorithm, extractable, usage_mask, &public_key, &private_key)); | |
| 1569 EXPECT_FALSE(public_key.isNull()); | |
| 1570 EXPECT_FALSE(private_key.isNull()); | |
| 1571 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1572 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1573 EXPECT_TRUE(public_key.extractable()); | |
| 1574 EXPECT_EQ(extractable, private_key.extractable()); | |
| 1575 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1576 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1577 | |
| 1578 // Successful WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 key generation. | |
| 1579 algorithm = webcrypto::CreateRsaKeyGenAlgorithm( | |
| 1580 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1581 modulus_length, | |
| 1582 public_exponent); | |
| 1583 EXPECT_STATUS_SUCCESS(GenerateKeyPairInternal( | |
| 1584 algorithm, false, usage_mask, &public_key, &private_key)); | |
| 1585 EXPECT_FALSE(public_key.isNull()); | |
| 1586 EXPECT_FALSE(private_key.isNull()); | |
| 1587 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); | |
| 1588 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); | |
| 1589 // Even though "extractable" was set to false, the public key remains | |
| 1590 // extractable. | |
| 1591 EXPECT_TRUE(public_key.extractable()); | |
| 1592 EXPECT_FALSE(private_key.extractable()); | |
| 1593 EXPECT_EQ(usage_mask, public_key.usages()); | |
| 1594 EXPECT_EQ(usage_mask, private_key.usages()); | |
| 1595 | |
| 1596 // Exporting a private key as SPKI format doesn't make sense. However this | |
| 1597 // will first fail because the key is not extractable. | |
| 1598 blink::WebArrayBuffer output; | |
| 1599 EXPECT_STATUS(Status::ErrorKeyNotExtractable(), ExportKeyInternal( | |
| 1600 blink::WebCryptoKeyFormatSpki, private_key, &output)); | |
| 1601 | |
| 1602 // Re-generate an extractable private_key and try to export it as SPKI format. | |
| 1603 // This should fail since spki is for public keys. | |
| 1604 EXPECT_STATUS_SUCCESS(GenerateKeyPairInternal( | |
| 1605 algorithm, true, usage_mask, &public_key, &private_key)); | |
| 1606 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), ExportKeyInternal( | |
| 1607 blink::WebCryptoKeyFormatSpki, private_key, &output)); | |
| 1608 } | |
| 1609 | |
| 1610 TEST_F(WebCryptoImplTest, MAYBE(RsaEsRoundTrip)) { | |
| 1611 // Import a key pair. | |
| 1612 blink::WebCryptoAlgorithm algorithm = | |
| 1613 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1614 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1615 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1616 ImportRsaKeyPair( | |
| 1617 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1618 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1619 algorithm, | |
| 1620 false, | |
| 1621 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1622 &public_key, | |
| 1623 &private_key); | |
| 1624 | |
| 1625 // Make a maximum-length data message. RSAES can operate on messages up to | |
| 1626 // length of k - 11 bytes, where k is the octet length of the RSA modulus. | |
| 1627 const unsigned int kMaxMsgSizeBytes = kModulusLength / 8 - 11; | |
| 1628 // There are two hex chars for each byte. | |
| 1629 const unsigned int kMsgHexSize = kMaxMsgSizeBytes * 2; | |
| 1630 char max_data_hex[kMsgHexSize+1]; | |
| 1631 std::fill(&max_data_hex[0], &max_data_hex[0] + kMsgHexSize, 'a'); | |
| 1632 max_data_hex[kMsgHexSize] = '\0'; | |
| 1633 | |
| 1634 // Verify encrypt / decrypt round trip on a few messages. Note that RSA | |
| 1635 // encryption does not support empty input. | |
| 1636 algorithm = | |
| 1637 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1638 const char* const kTestDataHex[] = { | |
| 1639 "ff", | |
| 1640 "0102030405060708090a0b0c0d0e0f", | |
| 1641 max_data_hex | |
| 1642 }; | |
| 1643 blink::WebArrayBuffer encrypted_data; | |
| 1644 blink::WebArrayBuffer decrypted_data; | |
| 1645 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestDataHex); ++i) { | |
| 1646 SCOPED_TRACE(i); | |
| 1647 EXPECT_STATUS_SUCCESS(EncryptInternal( | |
| 1648 algorithm, | |
| 1649 public_key, | |
| 1650 HexStringToBytes(kTestDataHex[i]), | |
| 1651 &encrypted_data)); | |
| 1652 EXPECT_EQ(kModulusLength / 8, encrypted_data.byteLength()); | |
| 1653 ASSERT_STATUS_SUCCESS(DecryptInternal( | |
| 1654 algorithm, | |
| 1655 private_key, | |
| 1656 reinterpret_cast<const unsigned char*>(encrypted_data.data()), | |
| 1657 encrypted_data.byteLength(), | |
| 1658 &decrypted_data)); | |
| 1659 ExpectArrayBufferMatchesHex(kTestDataHex[i], decrypted_data); | |
| 1660 } | |
| 1661 } | |
| 1662 | |
| 1663 TEST_F(WebCryptoImplTest, MAYBE(RsaEsKnownAnswer)) { | |
| 1664 scoped_ptr<base::Value> json; | |
| 1665 ASSERT_TRUE(ReadJsonTestFile("rsa_es.json", &json)); | |
| 1666 base::DictionaryValue* test = NULL; | |
| 1667 ASSERT_TRUE(json->GetAsDictionary(&test)); | |
| 1668 | |
| 1669 // Because the random data in PKCS1.5 padding makes the encryption output non- | |
| 1670 // deterministic, we cannot easily do a typical known-answer test for RSA | |
| 1671 // encryption / decryption. Instead we will take a known-good encrypted | |
| 1672 // message, decrypt it, re-encrypt it, then decrypt again, verifying that the | |
| 1673 // original known cleartext is the result. | |
| 1674 | |
| 1675 const std::vector<uint8> rsa_spki_der = | |
| 1676 GetBytesFromHexString(test, "rsa_spki_der"); | |
| 1677 | |
| 1678 const std::vector<uint8> rsa_pkcs8_der = | |
| 1679 GetBytesFromHexString(test, "rsa_pkcs8_der"); | |
| 1680 const std::vector<uint8> ciphertext = | |
| 1681 GetBytesFromHexString(test, "ciphertext"); | |
| 1682 const std::vector<uint8> cleartext = | |
| 1683 GetBytesFromHexString(test, "cleartext"); | |
| 1684 | |
| 1685 // Import the key pair. | |
| 1686 blink::WebCryptoAlgorithm algorithm = | |
| 1687 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1688 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1689 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1690 ImportRsaKeyPair( | |
| 1691 rsa_spki_der, | |
| 1692 rsa_pkcs8_der, | |
| 1693 algorithm, | |
| 1694 false, | |
| 1695 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1696 &public_key, | |
| 1697 &private_key); | |
| 1698 | |
| 1699 // Decrypt the known-good ciphertext with the private key. As a check we must | |
| 1700 // get the known original cleartext. | |
| 1701 blink::WebArrayBuffer decrypted_data; | |
| 1702 ASSERT_STATUS_SUCCESS(DecryptInternal( | |
| 1703 algorithm, | |
| 1704 private_key, | |
| 1705 ciphertext, | |
| 1706 &decrypted_data)); | |
| 1707 EXPECT_FALSE(decrypted_data.isNull()); | |
| 1708 ExpectArrayBufferMatches(cleartext, decrypted_data); | |
| 1709 | |
| 1710 // Encrypt this decrypted data with the public key. | |
| 1711 blink::WebArrayBuffer encrypted_data; | |
| 1712 ASSERT_STATUS_SUCCESS(EncryptInternal( | |
| 1713 algorithm, | |
| 1714 public_key, | |
| 1715 reinterpret_cast<const unsigned char*>(decrypted_data.data()), | |
| 1716 decrypted_data.byteLength(), | |
| 1717 &encrypted_data)); | |
| 1718 EXPECT_EQ(128u, encrypted_data.byteLength()); | |
| 1719 | |
| 1720 // Finally, decrypt the newly encrypted result with the private key, and | |
| 1721 // compare to the known original cleartext. | |
| 1722 decrypted_data.reset(); | |
| 1723 ASSERT_STATUS_SUCCESS(DecryptInternal( | |
| 1724 algorithm, | |
| 1725 private_key, | |
| 1726 reinterpret_cast<const unsigned char*>(encrypted_data.data()), | |
| 1727 encrypted_data.byteLength(), | |
| 1728 &decrypted_data)); | |
| 1729 EXPECT_FALSE(decrypted_data.isNull()); | |
| 1730 ExpectArrayBufferMatches(cleartext, decrypted_data); | |
| 1731 } | |
| 1732 | |
| 1733 TEST_F(WebCryptoImplTest, MAYBE(RsaEsFailures)) { | |
| 1734 // Import a key pair. | |
| 1735 blink::WebCryptoAlgorithm algorithm = | |
| 1736 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1737 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1738 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1739 ImportRsaKeyPair( | |
| 1740 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1741 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1742 algorithm, | |
| 1743 false, | |
| 1744 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, | |
| 1745 &public_key, | |
| 1746 &private_key); | |
| 1747 | |
| 1748 // Fail encrypt with a private key. | |
| 1749 blink::WebArrayBuffer encrypted_data; | |
| 1750 const std::string message_hex_str("0102030405060708090a0b0c0d0e0f"); | |
| 1751 const std::vector<uint8> message_hex(HexStringToBytes(message_hex_str)); | |
| 1752 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1753 EncryptInternal(algorithm, private_key, message_hex, &encrypted_data)); | |
| 1754 | |
| 1755 // Fail encrypt with empty message. | |
| 1756 EXPECT_STATUS(Status::Error(), EncryptInternal( | |
| 1757 algorithm, public_key, std::vector<uint8>(), &encrypted_data)); | |
| 1758 | |
| 1759 // Fail encrypt with message too large. RSAES can operate on messages up to | |
| 1760 // length of k - 11 bytes, where k is the octet length of the RSA modulus. | |
| 1761 const unsigned int kMaxMsgSizeBytes = kModulusLength / 8 - 11; | |
| 1762 EXPECT_STATUS( | |
| 1763 Status::ErrorDataTooLarge(), | |
| 1764 EncryptInternal(algorithm, | |
| 1765 public_key, | |
| 1766 std::vector<uint8>(kMaxMsgSizeBytes + 1, '0'), | |
| 1767 &encrypted_data)); | |
| 1768 | |
| 1769 // Generate encrypted data. | |
| 1770 EXPECT_STATUS(Status::Success(), | |
| 1771 EncryptInternal(algorithm, public_key, message_hex, &encrypted_data)); | |
| 1772 | |
| 1773 // Fail decrypt with a public key. | |
| 1774 blink::WebArrayBuffer decrypted_data; | |
| 1775 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), DecryptInternal( | |
| 1776 algorithm, | |
| 1777 public_key, | |
| 1778 reinterpret_cast<const unsigned char*>(encrypted_data.data()), | |
| 1779 encrypted_data.byteLength(), | |
| 1780 &decrypted_data)); | |
| 1781 | |
| 1782 // Corrupt encrypted data; ensure decrypt fails because padding was disrupted. | |
| 1783 std::vector<uint8> corrupted_data( | |
| 1784 static_cast<uint8*>(encrypted_data.data()), | |
| 1785 static_cast<uint8*>(encrypted_data.data()) + encrypted_data.byteLength()); | |
| 1786 corrupted_data[corrupted_data.size() / 2] ^= 0x01; | |
| 1787 EXPECT_STATUS(Status::Error(), | |
| 1788 DecryptInternal(algorithm, private_key, corrupted_data, &decrypted_data)); | |
| 1789 | |
| 1790 // TODO(padolph): Are there other specific data corruption scenarios to | |
| 1791 // consider? | |
| 1792 | |
| 1793 // Do a successful decrypt with good data just for confirmation. | |
| 1794 EXPECT_STATUS_SUCCESS(DecryptInternal( | |
| 1795 algorithm, | |
| 1796 private_key, | |
| 1797 reinterpret_cast<const unsigned char*>(encrypted_data.data()), | |
| 1798 encrypted_data.byteLength(), | |
| 1799 &decrypted_data)); | |
| 1800 ExpectArrayBufferMatchesHex(message_hex_str, decrypted_data); | |
| 1801 } | |
| 1802 | |
| 1803 TEST_F(WebCryptoImplTest, MAYBE(RsaSsaSignVerifyFailures)) { | |
| 1804 // Import a key pair. | |
| 1805 blink::WebCryptoAlgorithm algorithm = CreateRsaAlgorithmWithInnerHash( | |
| 1806 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1807 blink::WebCryptoAlgorithmIdSha1); | |
| 1808 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1809 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1810 ImportRsaKeyPair( | |
| 1811 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1812 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1813 algorithm, | |
| 1814 false, | |
| 1815 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, | |
| 1816 &public_key, | |
| 1817 &private_key); | |
| 1818 | |
| 1819 blink::WebArrayBuffer signature; | |
| 1820 bool signature_match; | |
| 1821 | |
| 1822 // Compute a signature. | |
| 1823 const std::vector<uint8> data = HexStringToBytes("010203040506070809"); | |
| 1824 ASSERT_STATUS_SUCCESS(SignInternal(algorithm, private_key, data, &signature)); | |
| 1825 | |
| 1826 // Ensure truncated signature does not verify by passing one less byte. | |
| 1827 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1828 algorithm, | |
| 1829 public_key, | |
| 1830 static_cast<const unsigned char*>(signature.data()), | |
| 1831 signature.byteLength() - 1, | |
| 1832 data, | |
| 1833 &signature_match)); | |
| 1834 EXPECT_FALSE(signature_match); | |
| 1835 | |
| 1836 // Ensure truncated signature does not verify by passing no bytes. | |
| 1837 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1838 algorithm, | |
| 1839 public_key, | |
| 1840 NULL, | |
| 1841 0, | |
| 1842 data, | |
| 1843 &signature_match)); | |
| 1844 EXPECT_FALSE(signature_match); | |
| 1845 | |
| 1846 // Ensure corrupted signature does not verify. | |
| 1847 std::vector<uint8> corrupt_sig( | |
| 1848 static_cast<uint8*>(signature.data()), | |
| 1849 static_cast<uint8*>(signature.data()) + signature.byteLength()); | |
| 1850 corrupt_sig[corrupt_sig.size() / 2] ^= 0x1; | |
| 1851 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1852 algorithm, | |
| 1853 public_key, | |
| 1854 webcrypto::Uint8VectorStart(corrupt_sig), | |
| 1855 corrupt_sig.size(), | |
| 1856 data, | |
| 1857 &signature_match)); | |
| 1858 EXPECT_FALSE(signature_match); | |
| 1859 | |
| 1860 // Ensure signatures that are greater than the modulus size fail. | |
| 1861 const unsigned int long_message_size_bytes = 1024; | |
| 1862 DCHECK_GT(long_message_size_bytes, kModulusLength/8); | |
| 1863 const unsigned char kLongSignature[long_message_size_bytes] = { 0 }; | |
| 1864 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1865 algorithm, | |
| 1866 public_key, | |
| 1867 kLongSignature, | |
| 1868 sizeof(kLongSignature), | |
| 1869 data, | |
| 1870 &signature_match)); | |
| 1871 EXPECT_FALSE(signature_match); | |
| 1872 | |
| 1873 // Ensure that verifying using a private key, rather than a public key, fails. | |
| 1874 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), VerifySignatureInternal( | |
| 1875 algorithm, | |
| 1876 private_key, | |
| 1877 static_cast<const unsigned char*>(signature.data()), | |
| 1878 signature.byteLength(), | |
| 1879 data, | |
| 1880 &signature_match)); | |
| 1881 | |
| 1882 // Ensure that signing using a public key, rather than a private key, fails. | |
| 1883 EXPECT_STATUS(Status::ErrorUnexpectedKeyType(), | |
| 1884 SignInternal(algorithm, public_key, data, &signature)); | |
| 1885 | |
| 1886 // Ensure that signing and verifying with an incompatible algorithm fails. | |
| 1887 algorithm = | |
| 1888 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5); | |
| 1889 EXPECT_STATUS(Status::ErrorUnsupported(), | |
| 1890 SignInternal(algorithm, private_key, data, &signature)); | |
| 1891 EXPECT_STATUS(Status::ErrorUnsupported(), VerifySignatureInternal( | |
| 1892 algorithm, | |
| 1893 public_key, | |
| 1894 static_cast<const unsigned char*>(signature.data()), | |
| 1895 signature.byteLength(), | |
| 1896 data, | |
| 1897 &signature_match)); | |
| 1898 | |
| 1899 // Some crypto libraries (NSS) can automatically select the RSA SSA inner hash | |
| 1900 // based solely on the contents of the input signature data. In the Web Crypto | |
| 1901 // implementation, the inner hash should be specified uniquely by the input | |
| 1902 // algorithm parameter. To validate this behavior, call Verify with a computed | |
| 1903 // signature that used one hash type (SHA-1), but pass in an algorithm with a | |
| 1904 // different inner hash type (SHA-256). If the hash type is determined by the | |
| 1905 // signature itself (undesired), the verify will pass, while if the hash type | |
| 1906 // is specified by the input algorithm (desired), the verify will fail. | |
| 1907 | |
| 1908 // Compute a signature using SHA-1 as the inner hash. | |
| 1909 EXPECT_STATUS_SUCCESS(SignInternal(CreateRsaAlgorithmWithInnerHash( | |
| 1910 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1911 blink::WebCryptoAlgorithmIdSha1), | |
| 1912 private_key, | |
| 1913 data, | |
| 1914 &signature)); | |
| 1915 | |
| 1916 // Now verify using an algorithm whose inner hash is SHA-256, not SHA-1. The | |
| 1917 // signature should not verify. | |
| 1918 // NOTE: public_key was produced by generateKey, and so its associated | |
| 1919 // algorithm has WebCryptoRsaKeyGenParams and not WebCryptoRsaSsaParams. Thus | |
| 1920 // it has no inner hash to conflict with the input algorithm. | |
| 1921 bool is_match; | |
| 1922 EXPECT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1923 CreateRsaAlgorithmWithInnerHash( | |
| 1924 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1925 blink::WebCryptoAlgorithmIdSha256), | |
| 1926 public_key, | |
| 1927 static_cast<const unsigned char*>(signature.data()), | |
| 1928 signature.byteLength(), | |
| 1929 data, | |
| 1930 &is_match)); | |
| 1931 EXPECT_FALSE(is_match); | |
| 1932 } | |
| 1933 | |
| 1934 TEST_F(WebCryptoImplTest, MAYBE(RsaSignVerifyKnownAnswer)) { | |
| 1935 scoped_ptr<base::ListValue> tests; | |
| 1936 ASSERT_TRUE(ReadJsonTestFileToList("pkcs1v15_sign.json", &tests)); | |
| 1937 | |
| 1938 // Import the key pair. | |
| 1939 blink::WebCryptoAlgorithm algorithm = CreateRsaAlgorithmWithInnerHash( | |
| 1940 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, | |
| 1941 blink::WebCryptoAlgorithmIdSha1); | |
| 1942 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 1943 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 1944 ImportRsaKeyPair( | |
| 1945 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 1946 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 1947 algorithm, | |
| 1948 false, | |
| 1949 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, | |
| 1950 &public_key, | |
| 1951 &private_key); | |
| 1952 | |
| 1953 // Validate the signatures are computed and verified as expected. | |
| 1954 blink::WebArrayBuffer signature; | |
| 1955 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 1956 SCOPED_TRACE(test_index); | |
| 1957 | |
| 1958 base::DictionaryValue* test; | |
| 1959 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 1960 | |
| 1961 std::vector<uint8> test_message = | |
| 1962 GetBytesFromHexString(test, "message_hex"); | |
| 1963 std::vector<uint8> test_signature = | |
| 1964 GetBytesFromHexString(test, "signature_hex"); | |
| 1965 | |
| 1966 signature.reset(); | |
| 1967 ASSERT_STATUS_SUCCESS( | |
| 1968 SignInternal(algorithm, private_key, test_message, &signature)); | |
| 1969 ExpectArrayBufferMatches(test_signature, signature); | |
| 1970 | |
| 1971 bool is_match = false; | |
| 1972 ASSERT_STATUS_SUCCESS(VerifySignatureInternal( | |
| 1973 algorithm, | |
| 1974 public_key, | |
| 1975 test_signature, | |
| 1976 test_message, | |
| 1977 &is_match)); | |
| 1978 EXPECT_TRUE(is_match); | |
| 1979 } | |
| 1980 } | |
| 1981 | |
| 1982 TEST_F(WebCryptoImplTest, MAYBE(AesKwKeyImport)) { | |
| 1983 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 1984 blink::WebCryptoAlgorithm algorithm = | |
| 1985 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); | |
| 1986 | |
| 1987 // Import a 128-bit Key Encryption Key (KEK) | |
| 1988 std::string key_raw_hex_in = "025a8cf3f08b4f6c5f33bbc76a471939"; | |
| 1989 ASSERT_STATUS_SUCCESS(ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 1990 HexStringToBytes(key_raw_hex_in), | |
| 1991 algorithm, | |
| 1992 true, | |
| 1993 blink::WebCryptoKeyUsageWrapKey, | |
| 1994 &key)); | |
| 1995 blink::WebArrayBuffer key_raw_out; | |
| 1996 EXPECT_STATUS_SUCCESS(ExportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 1997 key, | |
| 1998 &key_raw_out)); | |
| 1999 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 2000 | |
| 2001 // Import a 192-bit KEK | |
| 2002 key_raw_hex_in = "c0192c6466b2370decbb62b2cfef4384544ffeb4d2fbc103"; | |
| 2003 ASSERT_STATUS_SUCCESS(ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2004 HexStringToBytes(key_raw_hex_in), | |
| 2005 algorithm, | |
| 2006 true, | |
| 2007 blink::WebCryptoKeyUsageWrapKey, | |
| 2008 &key)); | |
| 2009 EXPECT_STATUS_SUCCESS(ExportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2010 key, | |
| 2011 &key_raw_out)); | |
| 2012 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 2013 | |
| 2014 // Import a 256-bit Key Encryption Key (KEK) | |
| 2015 key_raw_hex_in = | |
| 2016 "e11fe66380d90fa9ebefb74e0478e78f95664d0c67ca20ce4a0b5842863ac46f"; | |
| 2017 ASSERT_STATUS_SUCCESS(ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2018 HexStringToBytes(key_raw_hex_in), | |
| 2019 algorithm, | |
| 2020 true, | |
| 2021 blink::WebCryptoKeyUsageWrapKey, | |
| 2022 &key)); | |
| 2023 EXPECT_STATUS_SUCCESS(ExportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2024 key, | |
| 2025 &key_raw_out)); | |
| 2026 ExpectArrayBufferMatchesHex(key_raw_hex_in, key_raw_out); | |
| 2027 | |
| 2028 // Fail import of 0 length key | |
| 2029 EXPECT_STATUS(Status::Error(), | |
| 2030 ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2031 HexStringToBytes(""), | |
| 2032 algorithm, | |
| 2033 true, | |
| 2034 blink::WebCryptoKeyUsageWrapKey, | |
| 2035 &key)); | |
| 2036 | |
| 2037 // Fail import of 124-bit KEK | |
| 2038 key_raw_hex_in = "3e4566a2bdaa10cb68134fa66c15ddb"; | |
| 2039 EXPECT_STATUS(Status::Error(), | |
| 2040 ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2041 HexStringToBytes(key_raw_hex_in), | |
| 2042 algorithm, | |
| 2043 true, | |
| 2044 blink::WebCryptoKeyUsageWrapKey, | |
| 2045 &key)); | |
| 2046 | |
| 2047 // Fail import of 200-bit KEK | |
| 2048 key_raw_hex_in = "0a1d88608a5ad9fec64f1ada269ebab4baa2feeb8d95638c0e"; | |
| 2049 EXPECT_STATUS(Status::Error(), | |
| 2050 ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2051 HexStringToBytes(key_raw_hex_in), | |
| 2052 algorithm, | |
| 2053 true, | |
| 2054 blink::WebCryptoKeyUsageWrapKey, | |
| 2055 &key)); | |
| 2056 | |
| 2057 // Fail import of 260-bit KEK | |
| 2058 key_raw_hex_in = | |
| 2059 "72d4e475ff34215416c9ad9c8281247a4d730c5f275ac23f376e73e3bce8d7d5a"; | |
| 2060 EXPECT_STATUS(Status::Error(), | |
| 2061 ImportKeyInternal(blink::WebCryptoKeyFormatRaw, | |
| 2062 HexStringToBytes(key_raw_hex_in), | |
| 2063 algorithm, | |
| 2064 true, | |
| 2065 blink::WebCryptoKeyUsageWrapKey, | |
| 2066 &key)); | |
| 2067 } | |
| 2068 | |
| 2069 // TODO(eroman): | |
| 2070 // * Test decryption when the tag length exceeds input size | |
| 2071 // * Test decryption with empty input | |
| 2072 // * Test decryption with tag length of 0. | |
| 2073 TEST_F(WebCryptoImplTest, MAYBE(AesGcmSampleSets)) { | |
| 2074 // Some Linux test runners may not have a new enough version of NSS. | |
| 2075 if (!SupportsAesGcm()) { | |
| 2076 LOG(WARNING) << "AES GCM not supported, skipping tests"; | |
| 2077 return; | |
| 2078 } | |
| 2079 | |
| 2080 scoped_ptr<base::ListValue> tests; | |
| 2081 ASSERT_TRUE(ReadJsonTestFileToList("aes_gcm.json", &tests)); | |
| 2082 | |
| 2083 // Note that WebCrypto appends the authentication tag to the ciphertext. | |
| 2084 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 2085 SCOPED_TRACE(test_index); | |
| 2086 base::DictionaryValue* test; | |
| 2087 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 2088 | |
| 2089 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); | |
| 2090 const std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); | |
| 2091 const std::vector<uint8> test_additional_data = | |
| 2092 GetBytesFromHexString(test, "additional_data"); | |
| 2093 const std::vector<uint8> test_plain_text = | |
| 2094 GetBytesFromHexString(test, "plain_text"); | |
| 2095 const std::vector<uint8> test_authentication_tag = | |
| 2096 GetBytesFromHexString(test, "authentication_tag"); | |
| 2097 const unsigned int test_tag_size_bits = test_authentication_tag.size() * 8; | |
| 2098 const std::vector<uint8> test_cipher_text = | |
| 2099 GetBytesFromHexString(test, "cipher_text"); | |
| 2100 | |
| 2101 blink::WebCryptoKey key = ImportSecretKeyFromRaw( | |
| 2102 test_key, | |
| 2103 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), | |
| 2104 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); | |
| 2105 | |
| 2106 // Verify exported raw key is identical to the imported data | |
| 2107 blink::WebArrayBuffer raw_key; | |
| 2108 EXPECT_STATUS_SUCCESS(ExportKeyInternal( | |
| 2109 blink::WebCryptoKeyFormatRaw, key, &raw_key)); | |
| 2110 | |
| 2111 ExpectArrayBufferMatches(test_key, raw_key); | |
| 2112 | |
| 2113 // Test encryption. | |
| 2114 std::vector<uint8> cipher_text; | |
| 2115 std::vector<uint8> authentication_tag; | |
| 2116 EXPECT_STATUS_SUCCESS(AesGcmEncrypt(key, test_iv, test_additional_data, | |
| 2117 test_tag_size_bits, test_plain_text, | |
| 2118 &cipher_text, &authentication_tag)); | |
| 2119 | |
| 2120 ExpectVectorMatches(test_cipher_text, cipher_text); | |
| 2121 ExpectVectorMatches(test_authentication_tag, authentication_tag); | |
| 2122 | |
| 2123 // Test decryption. | |
| 2124 blink::WebArrayBuffer plain_text; | |
| 2125 EXPECT_STATUS_SUCCESS(AesGcmDecrypt(key, test_iv, test_additional_data, | |
| 2126 test_tag_size_bits, test_cipher_text, | |
| 2127 test_authentication_tag, &plain_text)); | |
| 2128 ExpectArrayBufferMatches(test_plain_text, plain_text); | |
| 2129 | |
| 2130 // Decryption should fail if any of the inputs are tampered with. | |
| 2131 EXPECT_STATUS(Status::Error(), | |
| 2132 AesGcmDecrypt(key, Corrupted(test_iv), test_additional_data, | |
| 2133 test_tag_size_bits, test_cipher_text, | |
| 2134 test_authentication_tag, &plain_text)); | |
| 2135 EXPECT_STATUS(Status::Error(), | |
| 2136 AesGcmDecrypt(key, test_iv, Corrupted(test_additional_data), | |
| 2137 test_tag_size_bits, test_cipher_text, | |
| 2138 test_authentication_tag, &plain_text)); | |
| 2139 EXPECT_STATUS(Status::Error(), | |
| 2140 AesGcmDecrypt(key, test_iv, test_additional_data, | |
| 2141 test_tag_size_bits, Corrupted(test_cipher_text), | |
| 2142 test_authentication_tag, &plain_text)); | |
| 2143 EXPECT_STATUS(Status::Error(), | |
| 2144 AesGcmDecrypt(key, test_iv, test_additional_data, | |
| 2145 test_tag_size_bits, test_cipher_text, | |
| 2146 Corrupted(test_authentication_tag), | |
| 2147 &plain_text)); | |
| 2148 | |
| 2149 // Try different incorrect tag lengths | |
| 2150 uint8 kAlternateTagLengths[] = {8, 96, 120, 128, 160, 255}; | |
| 2151 for (size_t tag_i = 0; tag_i < arraysize(kAlternateTagLengths); ++tag_i) { | |
| 2152 unsigned int wrong_tag_size_bits = kAlternateTagLengths[tag_i]; | |
| 2153 if (test_tag_size_bits == wrong_tag_size_bits) | |
| 2154 continue; | |
| 2155 EXPECT_STATUS_ERROR(AesGcmDecrypt(key, test_iv, test_additional_data, | |
| 2156 wrong_tag_size_bits, test_cipher_text, | |
| 2157 test_authentication_tag, &plain_text)); | |
| 2158 } | |
| 2159 } | |
| 2160 } | |
| 2161 | |
| 2162 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 155623005:
Refactor to share more code between OpenSSL and NSS implementations. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src