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/child/webcrypto/shared_crypto.h" 6 7 #include <algorithm> 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/file_util.h" 13 #include "base/json/json_reader.h" 14 #include "base/json/json_writer.h" 15 #include "base/logging.h" 16 #include "base/memory/ref_counted.h" 17 #include "base/path_service.h" 18 #include "base/strings/string_number_conversions.h" 19 #include "base/strings/string_util.h" 20 #include "base/strings/stringprintf.h" 21 #include "content/child/webcrypto/crypto_data.h" 22 #include "content/child/webcrypto/status.h" 23 #include "content/child/webcrypto/webcrypto_util.h" 24 #include "content/public/common/content_paths.h" 25 #include "testing/gtest/include/gtest/gtest.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/WebKit/public/platform/WebCryptoKeyAlgorithm.h" 30 #include "third_party/re2/re2/re2.h" 31 32 #if !defined(USE_OPENSSL) 33 #include <nss.h> 34 #include <pk11pub.h> 35 36 #include "crypto/scoped_nss_types.h" 37 #endif 38 39 // The OpenSSL implementation of WebCrypto is less complete, so don't run all of 40 // the tests: http://crbug.com/267888 41 #if defined(USE_OPENSSL) 42 #define MAYBE(test_name) DISABLED_##test_name 43 #else 44 #define MAYBE(test_name) test_name 45 #endif 46 47 #define EXPECT_BYTES_EQ(expected, actual) \ 48 EXPECT_EQ(CryptoData(expected), CryptoData(actual)) 49 50 #define EXPECT_BYTES_EQ_HEX(expected_hex, actual_bytes) \ 51 EXPECT_BYTES_EQ(HexStringToBytes(expected_hex), actual_bytes) 52 53 namespace content { 54 55 namespace webcrypto { 56 57 // These functions are used by GTEST to support EXPECT_EQ() for 58 // webcrypto::Status and webcrypto::CryptoData 59 60 void PrintTo(const Status& status, ::std::ostream* os) { 61 if (status.IsSuccess()) 62 *os << "Success"; 63 else 64 *os << "Error type: " << status.error_type() 65 << " Error details: " << status.error_details(); 66 } 67 68 bool operator==(const content::webcrypto::Status& a, 69 const content::webcrypto::Status& b) { 70 if (a.IsSuccess() != b.IsSuccess()) 71 return false; 72 if (a.IsSuccess()) 73 return true; 74 return a.error_type() == b.error_type() && 75 a.error_details() == b.error_details(); 76 } 77 78 bool operator!=(const content::webcrypto::Status& a, 79 const content::webcrypto::Status& b) { 80 return !(a == b); 81 } 82 83 void PrintTo(const CryptoData& data, ::std::ostream* os) { 84 *os << "[" << base::HexEncode(data.bytes(), data.byte_length()) << "]"; 85 } 86 87 bool operator==(const content::webcrypto::CryptoData& a, 88 const content::webcrypto::CryptoData& b) { 89 return a.byte_length() == b.byte_length() && 90 memcmp(a.bytes(), b.bytes(), a.byte_length()) == 0; 91 } 92 93 bool operator!=(const content::webcrypto::CryptoData& a, 94 const content::webcrypto::CryptoData& b) { 95 return !(a == b); 96 } 97 98 namespace { 99 100 // ----------------------------------------------------------------------------- 101 102 // TODO(eroman): For Linux builds using system NSS, AES-GCM support is a 103 // runtime dependency. Test it by trying to import a key. 104 // TODO(padolph): Consider caching the result of the import key test. 105 bool SupportsAesGcm() { 106 std::vector<uint8> key_raw(16, 0); 107 108 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 109 Status status = ImportKey(blink::WebCryptoKeyFormatRaw, 110 CryptoData(key_raw), 111 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), 112 true, 113 blink::WebCryptoKeyUsageEncrypt, 114 &key); 115 116 if (status.IsError()) 117 EXPECT_EQ(blink::WebCryptoErrorTypeNotSupported, status.error_type()); 118 return status.IsSuccess(); 119 } 120 121 bool SupportsRsaOaep() { 122 #if defined(USE_OPENSSL) 123 return false; 124 #else 125 // TODO(eroman): Exclude version test for OS_CHROMEOS 126 #if defined(USE_NSS) 127 if (!NSS_VersionCheck("3.16.2")) 128 return false; 129 #endif 130 crypto::ScopedPK11Slot slot(PK11_GetInternalKeySlot()); 131 return !!PK11_DoesMechanism(slot.get(), CKM_RSA_PKCS_OAEP); 132 #endif 133 } 134 135 bool SupportsRsaKeyImport() { 136 // TODO(eroman): Exclude version test for OS_CHROMEOS 137 #if defined(USE_NSS) 138 if (!NSS_VersionCheck("3.16.2")) { 139 LOG(WARNING) << "RSA key import is not supported by this version of NSS. " 140 "Skipping some tests"; 141 return false; 142 } 143 #endif 144 return true; 145 } 146 147 blink::WebCryptoAlgorithm CreateRsaHashedKeyGenAlgorithm( 148 blink::WebCryptoAlgorithmId algorithm_id, 149 const blink::WebCryptoAlgorithmId hash_id, 150 unsigned int modulus_length, 151 const std::vector<uint8>& public_exponent) { 152 DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || 153 algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep); 154 DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id)); 155 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 156 algorithm_id, 157 new blink::WebCryptoRsaHashedKeyGenParams( 158 CreateAlgorithm(hash_id), 159 modulus_length, 160 webcrypto::Uint8VectorStart(public_exponent), 161 public_exponent.size())); 162 } 163 164 // Creates an RSA-OAEP algorithm 165 blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm( 166 const std::vector<uint8>& label) { 167 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 168 blink::WebCryptoAlgorithmIdRsaOaep, 169 new blink::WebCryptoRsaOaepParams( 170 !label.empty(), Uint8VectorStart(label), label.size())); 171 } 172 173 // Creates an AES-CBC algorithm. 174 blink::WebCryptoAlgorithm CreateAesCbcAlgorithm(const std::vector<uint8>& iv) { 175 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 176 blink::WebCryptoAlgorithmIdAesCbc, 177 new blink::WebCryptoAesCbcParams(Uint8VectorStart(iv), iv.size())); 178 } 179 180 // Creates an AES-GCM algorithm. 181 blink::WebCryptoAlgorithm CreateAesGcmAlgorithm( 182 const std::vector<uint8>& iv, 183 const std::vector<uint8>& additional_data, 184 unsigned int tag_length_bits) { 185 EXPECT_TRUE(SupportsAesGcm()); 186 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 187 blink::WebCryptoAlgorithmIdAesGcm, 188 new blink::WebCryptoAesGcmParams(Uint8VectorStart(iv), 189 iv.size(), 190 true, 191 Uint8VectorStart(additional_data), 192 additional_data.size(), 193 true, 194 tag_length_bits)); 195 } 196 197 // Creates an HMAC algorithm whose parameters struct is compatible with key 198 // generation. It is an error to call this with a hash_id that is not a SHA*. 199 // The key_length_bits parameter is optional, with zero meaning unspecified. 200 blink::WebCryptoAlgorithm CreateHmacKeyGenAlgorithm( 201 blink::WebCryptoAlgorithmId hash_id, 202 unsigned int key_length_bits) { 203 DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id)); 204 // key_length_bytes == 0 means unspecified 205 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 206 blink::WebCryptoAlgorithmIdHmac, 207 new blink::WebCryptoHmacKeyGenParams( 208 CreateAlgorithm(hash_id), (key_length_bits != 0), key_length_bits)); 209 } 210 211 // Returns a slightly modified version of the input vector. 212 // 213 // - For non-empty inputs a single bit is inverted. 214 // - For empty inputs, a byte is added. 215 std::vector<uint8> Corrupted(const std::vector<uint8>& input) { 216 std::vector<uint8> corrupted_data(input); 217 if (corrupted_data.empty()) 218 corrupted_data.push_back(0); 219 corrupted_data[corrupted_data.size() / 2] ^= 0x01; 220 return corrupted_data; 221 } 222 223 std::vector<uint8> HexStringToBytes(const std::string& hex) { 224 std::vector<uint8> bytes; 225 base::HexStringToBytes(hex, &bytes); 226 return bytes; 227 } 228 229 std::vector<uint8> MakeJsonVector(const std::string& json_string) { 230 return std::vector<uint8>(json_string.begin(), json_string.end()); 231 } 232 233 std::vector<uint8> MakeJsonVector(const base::DictionaryValue& dict) { 234 std::string json; 235 base::JSONWriter::Write(&dict, &json); 236 return MakeJsonVector(json); 237 } 238 239 // ---------------------------------------------------------------- 240 // Helpers for working with JSON data files for test expectations. 241 // ---------------------------------------------------------------- 242 243 // Reads a file in "src/content/test/data/webcrypto" to a base::Value. 244 // The file must be JSON, however it can also include C++ style comments. 245 ::testing::AssertionResult ReadJsonTestFile(const char* test_file_name, 246 scoped_ptr<base::Value>* value) { 247 base::FilePath test_data_dir; 248 if (!PathService::Get(DIR_TEST_DATA, &test_data_dir)) 249 return ::testing::AssertionFailure() << "Couldn't retrieve test dir"; 250 251 base::FilePath file_path = 252 test_data_dir.AppendASCII("webcrypto").AppendASCII(test_file_name); 253 254 std::string file_contents; 255 if (!base::ReadFileToString(file_path, &file_contents)) { 256 return ::testing::AssertionFailure() 257 << "Couldn't read test file: " << file_path.value(); 258 } 259 260 // Strip C++ style comments out of the "json" file, otherwise it cannot be 261 // parsed. 262 re2::RE2::GlobalReplace(&file_contents, re2::RE2("\\s*//.*"), ""); 263 264 // Parse the JSON to a dictionary. 265 value->reset(base::JSONReader::Read(file_contents)); 266 if (!value->get()) { 267 return ::testing::AssertionFailure() 268 << "Couldn't parse test file JSON: " << file_path.value(); 269 } 270 271 return ::testing::AssertionSuccess(); 272 } 273 274 // Same as ReadJsonTestFile(), but return the value as a List. 275 ::testing::AssertionResult ReadJsonTestFileToList( 276 const char* test_file_name, 277 scoped_ptr<base::ListValue>* list) { 278 // Read the JSON. 279 scoped_ptr<base::Value> json; 280 ::testing::AssertionResult result = ReadJsonTestFile(test_file_name, &json); 281 if (!result) 282 return result; 283 284 // Cast to an ListValue. 285 base::ListValue* list_value = NULL; 286 if (!json->GetAsList(&list_value) || !list_value) 287 return ::testing::AssertionFailure() << "The JSON was not a list"; 288 289 list->reset(list_value); 290 ignore_result(json.release()); 291 292 return ::testing::AssertionSuccess(); 293 } 294 295 // Read a string property from the dictionary with path |property_name| 296 // (which can include periods for nested dictionaries). Interprets the 297 // string as a hex encoded string and converts it to a bytes list. 298 // 299 // Returns empty vector on failure. 300 std::vector<uint8> GetBytesFromHexString(base::DictionaryValue* dict, 301 const char* property_name) { 302 std::string hex_string; 303 if (!dict->GetString(property_name, &hex_string)) { 304 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; 305 return std::vector<uint8>(); 306 } 307 308 return HexStringToBytes(hex_string); 309 } 310 311 // Reads a string property with path "property_name" and converts it to a 312 // WebCryptoAlgorith. Returns null algorithm on failure. 313 blink::WebCryptoAlgorithm GetDigestAlgorithm(base::DictionaryValue* dict, 314 const char* property_name) { 315 std::string algorithm_name; 316 if (!dict->GetString(property_name, &algorithm_name)) { 317 EXPECT_TRUE(false) << "Couldn't get string property: " << property_name; 318 return blink::WebCryptoAlgorithm::createNull(); 319 } 320 321 struct { 322 const char* name; 323 blink::WebCryptoAlgorithmId id; 324 } kDigestNameToId[] = { 325 {"sha-1", blink::WebCryptoAlgorithmIdSha1}, 326 {"sha-256", blink::WebCryptoAlgorithmIdSha256}, 327 {"sha-384", blink::WebCryptoAlgorithmIdSha384}, 328 {"sha-512", blink::WebCryptoAlgorithmIdSha512}, 329 }; 330 331 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kDigestNameToId); ++i) { 332 if (kDigestNameToId[i].name == algorithm_name) 333 return CreateAlgorithm(kDigestNameToId[i].id); 334 } 335 336 return blink::WebCryptoAlgorithm::createNull(); 337 } 338 339 // Helper for ImportJwkFailures and ImportJwkOctFailures. Restores the JWK JSON 340 // dictionary to a good state 341 void RestoreJwkOctDictionary(base::DictionaryValue* dict) { 342 dict->Clear(); 343 dict->SetString("kty", "oct"); 344 dict->SetString("alg", "A128CBC"); 345 dict->SetString("use", "enc"); 346 dict->SetBoolean("ext", false); 347 dict->SetString("k", "GADWrMRHwQfoNaXU5fZvTg=="); 348 } 349 350 // Helper for ImportJwkRsaFailures. Restores the JWK JSON 351 // dictionary to a good state 352 void RestoreJwkRsaDictionary(base::DictionaryValue* dict) { 353 dict->Clear(); 354 dict->SetString("kty", "RSA"); 355 dict->SetString("alg", "RS256"); 356 dict->SetString("use", "sig"); 357 dict->SetBoolean("ext", false); 358 dict->SetString( 359 "n", 360 "qLOyhK-OtQs4cDSoYPFGxJGfMYdjzWxVmMiuSBGh4KvEx-CwgtaTpef87Wdc9GaFEncsDLxk" 361 "p0LGxjD1M8jMcvYq6DPEC_JYQumEu3i9v5fAEH1VvbZi9cTg-rmEXLUUjvc5LdOq_5OuHmtm" 362 "e7PUJHYW1PW6ENTP0ibeiNOfFvs"); 363 dict->SetString("e", "AQAB"); 364 } 365 366 // Returns true if any of the vectors in the input list have identical content. 367 // Dumb O(n^2) implementation but should be fast enough for the input sizes that 368 // are used. 369 bool CopiesExist(const std::vector<std::vector<uint8> >& bufs) { 370 for (size_t i = 0; i < bufs.size(); ++i) { 371 for (size_t j = i + 1; j < bufs.size(); ++j) { 372 if (CryptoData(bufs[i]) == CryptoData(bufs[j])) 373 return true; 374 } 375 } 376 return false; 377 } 378 379 blink::WebCryptoAlgorithm CreateAesKeyGenAlgorithm( 380 blink::WebCryptoAlgorithmId aes_alg_id, 381 unsigned short length) { 382 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( 383 aes_alg_id, new blink::WebCryptoAesKeyGenParams(length)); 384 } 385 386 blink::WebCryptoAlgorithm CreateAesCbcKeyGenAlgorithm( 387 unsigned short key_length_bits) { 388 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesCbc, 389 key_length_bits); 390 } 391 392 blink::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm( 393 unsigned short key_length_bits) { 394 EXPECT_TRUE(SupportsAesGcm()); 395 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesGcm, 396 key_length_bits); 397 } 398 399 blink::WebCryptoAlgorithm CreateAesKwKeyGenAlgorithm( 400 unsigned short key_length_bits) { 401 return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesKw, 402 key_length_bits); 403 } 404 405 // The following key pair is comprised of the SPKI (public key) and PKCS#8 406 // (private key) representations of the key pair provided in Example 1 of the 407 // NIST test vectors at 408 // ftp://ftp.rsa.com/pub/rsalabs/tmp/pkcs1v15sign-vectors.txt 409 const unsigned int kModulusLengthBits = 1024; 410 const char* const kPublicKeySpkiDerHex = 411 "30819f300d06092a864886f70d010101050003818d0030818902818100a5" 412 "6e4a0e701017589a5187dc7ea841d156f2ec0e36ad52a44dfeb1e61f7ad9" 413 "91d8c51056ffedb162b4c0f283a12a88a394dff526ab7291cbb307ceabfc" 414 "e0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921cb23c270a70e2598e" 415 "6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef22e1e1f20d0ce8cf" 416 "fb2249bd9a21370203010001"; 417 const char* const kPrivateKeyPkcs8DerHex = 418 "30820275020100300d06092a864886f70d01010105000482025f3082025b" 419 "02010002818100a56e4a0e701017589a5187dc7ea841d156f2ec0e36ad52" 420 "a44dfeb1e61f7ad991d8c51056ffedb162b4c0f283a12a88a394dff526ab" 421 "7291cbb307ceabfce0b1dfd5cd9508096d5b2b8b6df5d671ef6377c0921c" 422 "b23c270a70e2598e6ff89d19f105acc2d3f0cb35f29280e1386b6f64c4ef" 423 "22e1e1f20d0ce8cffb2249bd9a2137020301000102818033a5042a90b27d" 424 "4f5451ca9bbbd0b44771a101af884340aef9885f2a4bbe92e894a724ac3c" 425 "568c8f97853ad07c0266c8c6a3ca0929f1e8f11231884429fc4d9ae55fee" 426 "896a10ce707c3ed7e734e44727a39574501a532683109c2abacaba283c31" 427 "b4bd2f53c3ee37e352cee34f9e503bd80c0622ad79c6dcee883547c6a3b3" 428 "25024100e7e8942720a877517273a356053ea2a1bc0c94aa72d55c6e8629" 429 "6b2dfc967948c0a72cbccca7eacb35706e09a1df55a1535bd9b3cc34160b" 430 "3b6dcd3eda8e6443024100b69dca1cf7d4d7ec81e75b90fcca874abcde12" 431 "3fd2700180aa90479b6e48de8d67ed24f9f19d85ba275874f542cd20dc72" 432 "3e6963364a1f9425452b269a6799fd024028fa13938655be1f8a159cbaca" 433 "5a72ea190c30089e19cd274a556f36c4f6e19f554b34c077790427bbdd8d" 434 "d3ede2448328f385d81b30e8e43b2fffa02786197902401a8b38f398fa71" 435 "2049898d7fb79ee0a77668791299cdfa09efc0e507acb21ed74301ef5bfd" 436 "48be455eaeb6e1678255827580a8e4e8e14151d1510a82a3f2e729024027" 437 "156aba4126d24a81f3a528cbfb27f56886f840a9f6e86e17a44b94fe9319" 438 "584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb2190acf832b847f13a3d24" 439 "a79f4d"; 440 // The modulus and exponent (in hex) of kPublicKeySpkiDerHex 441 const char* const kPublicKeyModulusHex = 442 "A56E4A0E701017589A5187DC7EA841D156F2EC0E36AD52A44DFEB1E61F7AD991D8C51056" 443 "FFEDB162B4C0F283A12A88A394DFF526AB7291CBB307CEABFCE0B1DFD5CD9508096D5B2B" 444 "8B6DF5D671EF6377C0921CB23C270A70E2598E6FF89D19F105ACC2D3F0CB35F29280E138" 445 "6B6F64C4EF22E1E1F20D0CE8CFFB2249BD9A2137"; 446 const char* const kPublicKeyExponentHex = "010001"; 447 448 class SharedCryptoTest : public testing::Test { 449 protected: 450 virtual void SetUp() OVERRIDE { Init(); } 451 }; 452 453 blink::WebCryptoKey ImportSecretKeyFromRaw( 454 const std::vector<uint8>& key_raw, 455 const blink::WebCryptoAlgorithm& algorithm, 456 blink::WebCryptoKeyUsageMask usage) { 457 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 458 bool extractable = true; 459 EXPECT_EQ(Status::Success(), 460 ImportKey(blink::WebCryptoKeyFormatRaw, 461 CryptoData(key_raw), 462 algorithm, 463 extractable, 464 usage, 465 &key)); 466 467 EXPECT_FALSE(key.isNull()); 468 EXPECT_TRUE(key.handle()); 469 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 470 EXPECT_EQ(algorithm.id(), key.algorithm().id()); 471 EXPECT_EQ(extractable, key.extractable()); 472 EXPECT_EQ(usage, key.usages()); 473 return key; 474 } 475 476 void ImportRsaKeyPair(const std::vector<uint8>& spki_der, 477 const std::vector<uint8>& pkcs8_der, 478 const blink::WebCryptoAlgorithm& algorithm, 479 bool extractable, 480 blink::WebCryptoKeyUsageMask public_key_usage_mask, 481 blink::WebCryptoKeyUsageMask private_key_usage_mask, 482 blink::WebCryptoKey* public_key, 483 blink::WebCryptoKey* private_key) { 484 ASSERT_EQ(Status::Success(), 485 ImportKey(blink::WebCryptoKeyFormatSpki, 486 CryptoData(spki_der), 487 algorithm, 488 true, 489 public_key_usage_mask, 490 public_key)); 491 EXPECT_FALSE(public_key->isNull()); 492 EXPECT_TRUE(public_key->handle()); 493 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key->type()); 494 EXPECT_EQ(algorithm.id(), public_key->algorithm().id()); 495 EXPECT_TRUE(public_key->extractable()); 496 EXPECT_EQ(public_key_usage_mask, public_key->usages()); 497 498 ASSERT_EQ(Status::Success(), 499 ImportKey(blink::WebCryptoKeyFormatPkcs8, 500 CryptoData(pkcs8_der), 501 algorithm, 502 extractable, 503 private_key_usage_mask, 504 private_key)); 505 EXPECT_FALSE(private_key->isNull()); 506 EXPECT_TRUE(private_key->handle()); 507 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key->type()); 508 EXPECT_EQ(algorithm.id(), private_key->algorithm().id()); 509 EXPECT_EQ(extractable, private_key->extractable()); 510 EXPECT_EQ(private_key_usage_mask, private_key->usages()); 511 } 512 513 Status AesGcmEncrypt(const blink::WebCryptoKey& key, 514 const std::vector<uint8>& iv, 515 const std::vector<uint8>& additional_data, 516 unsigned int tag_length_bits, 517 const std::vector<uint8>& plain_text, 518 std::vector<uint8>* cipher_text, 519 std::vector<uint8>* authentication_tag) { 520 EXPECT_TRUE(SupportsAesGcm()); 521 blink::WebCryptoAlgorithm algorithm = 522 CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits); 523 524 std::vector<uint8> output; 525 Status status = Encrypt(algorithm, key, CryptoData(plain_text), &output); 526 if (status.IsError()) 527 return status; 528 529 if ((tag_length_bits % 8) != 0) { 530 EXPECT_TRUE(false) << "Encrypt should have failed."; 531 return Status::OperationError(); 532 } 533 534 size_t tag_length_bytes = tag_length_bits / 8; 535 536 if (tag_length_bytes > output.size()) { 537 EXPECT_TRUE(false) << "tag length is larger than output"; 538 return Status::OperationError(); 539 } 540 541 // The encryption result is cipher text with authentication tag appended. 542 cipher_text->assign(output.begin(), 543 output.begin() + (output.size() - tag_length_bytes)); 544 authentication_tag->assign(output.begin() + cipher_text->size(), 545 output.end()); 546 547 return Status::Success(); 548 } 549 550 Status AesGcmDecrypt(const blink::WebCryptoKey& key, 551 const std::vector<uint8>& iv, 552 const std::vector<uint8>& additional_data, 553 unsigned int tag_length_bits, 554 const std::vector<uint8>& cipher_text, 555 const std::vector<uint8>& authentication_tag, 556 std::vector<uint8>* plain_text) { 557 EXPECT_TRUE(SupportsAesGcm()); 558 blink::WebCryptoAlgorithm algorithm = 559 CreateAesGcmAlgorithm(iv, additional_data, tag_length_bits); 560 561 // Join cipher text and authentication tag. 562 std::vector<uint8> cipher_text_with_tag; 563 cipher_text_with_tag.reserve(cipher_text.size() + authentication_tag.size()); 564 cipher_text_with_tag.insert( 565 cipher_text_with_tag.end(), cipher_text.begin(), cipher_text.end()); 566 cipher_text_with_tag.insert(cipher_text_with_tag.end(), 567 authentication_tag.begin(), 568 authentication_tag.end()); 569 570 return Decrypt(algorithm, key, CryptoData(cipher_text_with_tag), plain_text); 571 } 572 573 Status ImportKeyJwk(const CryptoData& key_data, 574 const blink::WebCryptoAlgorithm& algorithm, 575 bool extractable, 576 blink::WebCryptoKeyUsageMask usage_mask, 577 blink::WebCryptoKey* key) { 578 return ImportKey(blink::WebCryptoKeyFormatJwk, 579 key_data, 580 algorithm, 581 extractable, 582 usage_mask, 583 key); 584 } 585 586 Status ImportKeyJwkFromDict(const base::DictionaryValue& dict, 587 const blink::WebCryptoAlgorithm& algorithm, 588 bool extractable, 589 blink::WebCryptoKeyUsageMask usage_mask, 590 blink::WebCryptoKey* key) { 591 return ImportKeyJwk(CryptoData(MakeJsonVector(dict)), 592 algorithm, 593 extractable, 594 usage_mask, 595 key); 596 } 597 598 // Parses a vector of JSON into a dictionary. 599 scoped_ptr<base::DictionaryValue> GetJwkDictionary( 600 const std::vector<uint8>& json) { 601 base::StringPiece json_string( 602 reinterpret_cast<const char*>(Uint8VectorStart(json)), json.size()); 603 base::Value* value = base::JSONReader::Read(json_string); 604 EXPECT_TRUE(value); 605 base::DictionaryValue* dict_value = NULL; 606 value->GetAsDictionary(&dict_value); 607 return scoped_ptr<base::DictionaryValue>(dict_value); 608 } 609 610 // Verifies the input dictionary contains the expected values. Exact matches are 611 // required on the fields examined. 612 ::testing::AssertionResult VerifyJwk( 613 const scoped_ptr<base::DictionaryValue>& dict, 614 const std::string& kty_expected, 615 const std::string& alg_expected, 616 blink::WebCryptoKeyUsageMask use_mask_expected) { 617 // ---- kty 618 std::string value_string; 619 if (!dict->GetString("kty", &value_string)) 620 return ::testing::AssertionFailure() << "Missing 'kty'"; 621 if (value_string != kty_expected) 622 return ::testing::AssertionFailure() << "Expected 'kty' to be " 623 << kty_expected << "but found " 624 << value_string; 625 626 // ---- alg 627 if (!dict->GetString("alg", &value_string)) 628 return ::testing::AssertionFailure() << "Missing 'alg'"; 629 if (value_string != alg_expected) 630 return ::testing::AssertionFailure() << "Expected 'alg' to be " 631 << alg_expected << " but found " 632 << value_string; 633 634 // ---- ext 635 // always expect ext == true in this case 636 bool ext_value; 637 if (!dict->GetBoolean("ext", &ext_value)) 638 return ::testing::AssertionFailure() << "Missing 'ext'"; 639 if (!ext_value) 640 return ::testing::AssertionFailure() 641 << "Expected 'ext' to be true but found false"; 642 643 // ---- key_ops 644 base::ListValue* key_ops; 645 if (!dict->GetList("key_ops", &key_ops)) 646 return ::testing::AssertionFailure() << "Missing 'key_ops'"; 647 blink::WebCryptoKeyUsageMask key_ops_mask = 0; 648 Status status = GetWebCryptoUsagesFromJwkKeyOps(key_ops, &key_ops_mask); 649 if (status.IsError()) 650 return ::testing::AssertionFailure() << "Failure extracting 'key_ops'"; 651 if (key_ops_mask != use_mask_expected) 652 return ::testing::AssertionFailure() 653 << "Expected 'key_ops' mask to be " << use_mask_expected 654 << " but found " << key_ops_mask << " (" << value_string << ")"; 655 656 return ::testing::AssertionSuccess(); 657 } 658 659 // Verifies that the JSON in the input vector contains the provided 660 // expected values. Exact matches are required on the fields examined. 661 ::testing::AssertionResult VerifySecretJwk( 662 const std::vector<uint8>& json, 663 const std::string& alg_expected, 664 const std::string& k_expected_hex, 665 blink::WebCryptoKeyUsageMask use_mask_expected) { 666 scoped_ptr<base::DictionaryValue> dict = GetJwkDictionary(json); 667 if (!dict.get() || dict->empty()) 668 return ::testing::AssertionFailure() << "JSON parsing failed"; 669 670 // ---- k 671 std::string value_string; 672 if (!dict->GetString("k", &value_string)) 673 return ::testing::AssertionFailure() << "Missing 'k'"; 674 std::string k_value; 675 if (!webcrypto::Base64DecodeUrlSafe(value_string, &k_value)) 676 return ::testing::AssertionFailure() << "Base64DecodeUrlSafe(k) failed"; 677 if (!LowerCaseEqualsASCII(base::HexEncode(k_value.data(), k_value.size()), 678 k_expected_hex.c_str())) { 679 return ::testing::AssertionFailure() << "Expected 'k' to be " 680 << k_expected_hex 681 << " but found something different"; 682 } 683 684 return VerifyJwk(dict, "oct", alg_expected, use_mask_expected); 685 } 686 687 // Verifies that the JSON in the input vector contains the provided 688 // expected values. Exact matches are required on the fields examined. 689 ::testing::AssertionResult VerifyPublicJwk( 690 const std::vector<uint8>& json, 691 const std::string& alg_expected, 692 const std::string& n_expected_hex, 693 const std::string& e_expected_hex, 694 blink::WebCryptoKeyUsageMask use_mask_expected) { 695 scoped_ptr<base::DictionaryValue> dict = GetJwkDictionary(json); 696 if (!dict.get() || dict->empty()) 697 return ::testing::AssertionFailure() << "JSON parsing failed"; 698 699 // ---- n 700 std::string value_string; 701 if (!dict->GetString("n", &value_string)) 702 return ::testing::AssertionFailure() << "Missing 'n'"; 703 std::string n_value; 704 if (!webcrypto::Base64DecodeUrlSafe(value_string, &n_value)) 705 return ::testing::AssertionFailure() << "Base64DecodeUrlSafe(n) failed"; 706 if (base::HexEncode(n_value.data(), n_value.size()) != n_expected_hex) { 707 return ::testing::AssertionFailure() << "'n' does not match the expected " 708 "value"; 709 } 710 // TODO(padolph): LowerCaseEqualsASCII() does not work for above! 711 712 // ---- e 713 if (!dict->GetString("e", &value_string)) 714 return ::testing::AssertionFailure() << "Missing 'e'"; 715 std::string e_value; 716 if (!webcrypto::Base64DecodeUrlSafe(value_string, &e_value)) 717 return ::testing::AssertionFailure() << "Base64DecodeUrlSafe(e) failed"; 718 if (!LowerCaseEqualsASCII(base::HexEncode(e_value.data(), e_value.size()), 719 e_expected_hex.c_str())) { 720 return ::testing::AssertionFailure() << "Expected 'e' to be " 721 << e_expected_hex 722 << " but found something different"; 723 } 724 725 return VerifyJwk(dict, "RSA", alg_expected, use_mask_expected); 726 } 727 728 } // namespace 729 730 TEST_F(SharedCryptoTest, CheckAesGcm) { 731 if (!SupportsAesGcm()) { 732 LOG(WARNING) << "AES GCM not supported on this platform, so some tests " 733 "will be skipped. Consider upgrading local NSS libraries"; 734 return; 735 } 736 } 737 738 // Tests several Status objects against their expected hard coded values, as 739 // well as ensuring that comparison of Status objects works. 740 // Comparison should take into account both the error details, as well as the 741 // error type. 742 TEST_F(SharedCryptoTest, Status) { 743 // Even though the error message is the same, these should not be considered 744 // the same by the tests because the error type is different. 745 EXPECT_NE(Status::DataError(), Status::OperationError()); 746 EXPECT_NE(Status::Success(), Status::OperationError()); 747 748 EXPECT_EQ(Status::Success(), Status::Success()); 749 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("kty", "string"), 750 Status::ErrorJwkPropertyWrongType("kty", "string")); 751 752 Status status = Status::Success(); 753 754 EXPECT_FALSE(status.IsError()); 755 EXPECT_EQ("", status.error_details()); 756 757 status = Status::OperationError(); 758 EXPECT_TRUE(status.IsError()); 759 EXPECT_EQ("", status.error_details()); 760 EXPECT_EQ(blink::WebCryptoErrorTypeOperation, status.error_type()); 761 762 status = Status::DataError(); 763 EXPECT_TRUE(status.IsError()); 764 EXPECT_EQ("", status.error_details()); 765 EXPECT_EQ(blink::WebCryptoErrorTypeData, status.error_type()); 766 767 status = Status::ErrorUnsupported(); 768 EXPECT_TRUE(status.IsError()); 769 EXPECT_EQ("The requested operation is unsupported", status.error_details()); 770 EXPECT_EQ(blink::WebCryptoErrorTypeNotSupported, status.error_type()); 771 772 status = Status::ErrorJwkPropertyMissing("kty"); 773 EXPECT_TRUE(status.IsError()); 774 EXPECT_EQ("The required JWK property \"kty\" was missing", 775 status.error_details()); 776 EXPECT_EQ(blink::WebCryptoErrorTypeData, status.error_type()); 777 778 status = Status::ErrorJwkPropertyWrongType("kty", "string"); 779 EXPECT_TRUE(status.IsError()); 780 EXPECT_EQ("The JWK property \"kty\" must be a string", 781 status.error_details()); 782 EXPECT_EQ(blink::WebCryptoErrorTypeData, status.error_type()); 783 784 status = Status::ErrorJwkBase64Decode("n"); 785 EXPECT_TRUE(status.IsError()); 786 EXPECT_EQ("The JWK property \"n\" could not be base64 decoded", 787 status.error_details()); 788 EXPECT_EQ(blink::WebCryptoErrorTypeData, status.error_type()); 789 } 790 791 TEST_F(SharedCryptoTest, DigestSampleSets) { 792 scoped_ptr<base::ListValue> tests; 793 ASSERT_TRUE(ReadJsonTestFileToList("digest.json", &tests)); 794 795 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 796 SCOPED_TRACE(test_index); 797 base::DictionaryValue* test; 798 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 799 800 blink::WebCryptoAlgorithm test_algorithm = 801 GetDigestAlgorithm(test, "algorithm"); 802 std::vector<uint8> test_input = GetBytesFromHexString(test, "input"); 803 std::vector<uint8> test_output = GetBytesFromHexString(test, "output"); 804 805 std::vector<uint8> output; 806 ASSERT_EQ(Status::Success(), 807 Digest(test_algorithm, CryptoData(test_input), &output)); 808 EXPECT_BYTES_EQ(test_output, output); 809 } 810 } 811 812 TEST_F(SharedCryptoTest, DigestSampleSetsInChunks) { 813 scoped_ptr<base::ListValue> tests; 814 ASSERT_TRUE(ReadJsonTestFileToList("digest.json", &tests)); 815 816 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 817 SCOPED_TRACE(test_index); 818 base::DictionaryValue* test; 819 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 820 821 blink::WebCryptoAlgorithm test_algorithm = 822 GetDigestAlgorithm(test, "algorithm"); 823 std::vector<uint8> test_input = GetBytesFromHexString(test, "input"); 824 std::vector<uint8> test_output = GetBytesFromHexString(test, "output"); 825 826 // Test the chunk version of the digest functions. Test with 129 byte chunks 827 // because the SHA-512 chunk size is 128 bytes. 828 unsigned char* output; 829 unsigned int output_length; 830 static const size_t kChunkSizeBytes = 129; 831 size_t length = test_input.size(); 832 scoped_ptr<blink::WebCryptoDigestor> digestor( 833 CreateDigestor(test_algorithm.id())); 834 std::vector<uint8>::iterator begin = test_input.begin(); 835 size_t chunk_index = 0; 836 while (begin != test_input.end()) { 837 size_t chunk_length = std::min(kChunkSizeBytes, length - chunk_index); 838 std::vector<uint8> chunk(begin, begin + chunk_length); 839 ASSERT_TRUE(chunk.size() > 0); 840 EXPECT_TRUE(digestor->consume(&chunk.front(), chunk.size())); 841 chunk_index = chunk_index + chunk_length; 842 begin = begin + chunk_length; 843 } 844 EXPECT_TRUE(digestor->finish(output, output_length)); 845 EXPECT_BYTES_EQ(test_output, CryptoData(output, output_length)); 846 } 847 } 848 849 TEST_F(SharedCryptoTest, HMACSampleSets) { 850 scoped_ptr<base::ListValue> tests; 851 ASSERT_TRUE(ReadJsonTestFileToList("hmac.json", &tests)); 852 // TODO(padolph): Missing known answer tests for HMAC SHA384, and SHA512. 853 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 854 SCOPED_TRACE(test_index); 855 base::DictionaryValue* test; 856 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 857 858 blink::WebCryptoAlgorithm test_hash = GetDigestAlgorithm(test, "hash"); 859 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 860 const std::vector<uint8> test_message = 861 GetBytesFromHexString(test, "message"); 862 const std::vector<uint8> test_mac = GetBytesFromHexString(test, "mac"); 863 864 blink::WebCryptoAlgorithm algorithm = 865 CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac); 866 867 blink::WebCryptoAlgorithm import_algorithm = 868 CreateHmacImportAlgorithm(test_hash.id()); 869 870 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 871 test_key, 872 import_algorithm, 873 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify); 874 875 EXPECT_EQ(test_hash.id(), key.algorithm().hmacParams()->hash().id()); 876 EXPECT_EQ(test_key.size() * 8, key.algorithm().hmacParams()->lengthBits()); 877 878 // Verify exported raw key is identical to the imported data 879 std::vector<uint8> raw_key; 880 EXPECT_EQ(Status::Success(), 881 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 882 EXPECT_BYTES_EQ(test_key, raw_key); 883 884 std::vector<uint8> output; 885 886 ASSERT_EQ(Status::Success(), 887 Sign(algorithm, key, CryptoData(test_message), &output)); 888 889 EXPECT_BYTES_EQ(test_mac, output); 890 891 bool signature_match = false; 892 EXPECT_EQ(Status::Success(), 893 VerifySignature(algorithm, 894 key, 895 CryptoData(output), 896 CryptoData(test_message), 897 &signature_match)); 898 EXPECT_TRUE(signature_match); 899 900 // Ensure truncated signature does not verify by passing one less byte. 901 EXPECT_EQ( 902 Status::Success(), 903 VerifySignature(algorithm, 904 key, 905 CryptoData(Uint8VectorStart(output), output.size() - 1), 906 CryptoData(test_message), 907 &signature_match)); 908 EXPECT_FALSE(signature_match); 909 910 // Ensure truncated signature does not verify by passing no bytes. 911 EXPECT_EQ(Status::Success(), 912 VerifySignature(algorithm, 913 key, 914 CryptoData(), 915 CryptoData(test_message), 916 &signature_match)); 917 EXPECT_FALSE(signature_match); 918 919 // Ensure extra long signature does not cause issues and fails. 920 const unsigned char kLongSignature[1024] = {0}; 921 EXPECT_EQ( 922 Status::Success(), 923 VerifySignature(algorithm, 924 key, 925 CryptoData(kLongSignature, sizeof(kLongSignature)), 926 CryptoData(test_message), 927 &signature_match)); 928 EXPECT_FALSE(signature_match); 929 } 930 } 931 932 TEST_F(SharedCryptoTest, AesCbcFailures) { 933 const std::string key_hex = "2b7e151628aed2a6abf7158809cf4f3c"; 934 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 935 HexStringToBytes(key_hex), 936 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 937 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); 938 939 // Verify exported raw key is identical to the imported data 940 std::vector<uint8> raw_key; 941 EXPECT_EQ(Status::Success(), 942 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 943 EXPECT_BYTES_EQ_HEX(key_hex, raw_key); 944 945 std::vector<uint8> output; 946 947 // Use an invalid |iv| (fewer than 16 bytes) 948 { 949 std::vector<uint8> input(32); 950 std::vector<uint8> iv; 951 EXPECT_EQ(Status::ErrorIncorrectSizeAesCbcIv(), 952 Encrypt(webcrypto::CreateAesCbcAlgorithm(iv), 953 key, 954 CryptoData(input), 955 &output)); 956 EXPECT_EQ(Status::ErrorIncorrectSizeAesCbcIv(), 957 Decrypt(webcrypto::CreateAesCbcAlgorithm(iv), 958 key, 959 CryptoData(input), 960 &output)); 961 } 962 963 // Use an invalid |iv| (more than 16 bytes) 964 { 965 std::vector<uint8> input(32); 966 std::vector<uint8> iv(17); 967 EXPECT_EQ(Status::ErrorIncorrectSizeAesCbcIv(), 968 Encrypt(webcrypto::CreateAesCbcAlgorithm(iv), 969 key, 970 CryptoData(input), 971 &output)); 972 EXPECT_EQ(Status::ErrorIncorrectSizeAesCbcIv(), 973 Decrypt(webcrypto::CreateAesCbcAlgorithm(iv), 974 key, 975 CryptoData(input), 976 &output)); 977 } 978 979 // Give an input that is too large (would cause integer overflow when 980 // narrowing to an int). 981 { 982 std::vector<uint8> iv(16); 983 984 // Pretend the input is large. Don't pass data pointer as NULL in case that 985 // is special cased; the implementation shouldn't actually dereference the 986 // data. 987 CryptoData input(&iv[0], INT_MAX - 3); 988 989 EXPECT_EQ(Status::ErrorDataTooLarge(), 990 Encrypt(CreateAesCbcAlgorithm(iv), key, input, &output)); 991 EXPECT_EQ(Status::ErrorDataTooLarge(), 992 Decrypt(CreateAesCbcAlgorithm(iv), key, input, &output)); 993 } 994 995 // Fail importing the key (too few bytes specified) 996 { 997 std::vector<uint8> key_raw(1); 998 std::vector<uint8> iv(16); 999 1000 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1001 EXPECT_EQ(Status::ErrorImportAesKeyLength(), 1002 ImportKey(blink::WebCryptoKeyFormatRaw, 1003 CryptoData(key_raw), 1004 CreateAesCbcAlgorithm(iv), 1005 true, 1006 blink::WebCryptoKeyUsageEncrypt, 1007 &key)); 1008 } 1009 1010 // Fail exporting the key in SPKI and PKCS#8 formats (not allowed for secret 1011 // keys). 1012 EXPECT_EQ(Status::ErrorUnexpectedKeyType(), 1013 ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); 1014 EXPECT_EQ(Status::ErrorUnexpectedKeyType(), 1015 ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &output)); 1016 } 1017 1018 TEST_F(SharedCryptoTest, MAYBE(AesCbcSampleSets)) { 1019 scoped_ptr<base::ListValue> tests; 1020 ASSERT_TRUE(ReadJsonTestFileToList("aes_cbc.json", &tests)); 1021 1022 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 1023 SCOPED_TRACE(test_index); 1024 base::DictionaryValue* test; 1025 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 1026 1027 std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 1028 std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); 1029 std::vector<uint8> test_plain_text = 1030 GetBytesFromHexString(test, "plain_text"); 1031 std::vector<uint8> test_cipher_text = 1032 GetBytesFromHexString(test, "cipher_text"); 1033 1034 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 1035 test_key, 1036 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 1037 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); 1038 1039 EXPECT_EQ(test_key.size() * 8, key.algorithm().aesParams()->lengthBits()); 1040 1041 // Verify exported raw key is identical to the imported data 1042 std::vector<uint8> raw_key; 1043 EXPECT_EQ(Status::Success(), 1044 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 1045 EXPECT_BYTES_EQ(test_key, raw_key); 1046 1047 std::vector<uint8> output; 1048 1049 // Test encryption. 1050 EXPECT_EQ(Status::Success(), 1051 Encrypt(webcrypto::CreateAesCbcAlgorithm(test_iv), 1052 key, 1053 CryptoData(test_plain_text), 1054 &output)); 1055 EXPECT_BYTES_EQ(test_cipher_text, output); 1056 1057 // Test decryption. 1058 EXPECT_EQ(Status::Success(), 1059 Decrypt(webcrypto::CreateAesCbcAlgorithm(test_iv), 1060 key, 1061 CryptoData(test_cipher_text), 1062 &output)); 1063 EXPECT_BYTES_EQ(test_plain_text, output); 1064 1065 const unsigned int kAesCbcBlockSize = 16; 1066 1067 // Decrypt with a padding error by stripping the last block. This also ends 1068 // up testing decryption over empty cipher text. 1069 if (test_cipher_text.size() >= kAesCbcBlockSize) { 1070 EXPECT_EQ(Status::OperationError(), 1071 Decrypt(CreateAesCbcAlgorithm(test_iv), 1072 key, 1073 CryptoData(&test_cipher_text[0], 1074 test_cipher_text.size() - kAesCbcBlockSize), 1075 &output)); 1076 } 1077 1078 // Decrypt cipher text which is not a multiple of block size by stripping 1079 // a few bytes off the cipher text. 1080 if (test_cipher_text.size() > 3) { 1081 EXPECT_EQ( 1082 Status::OperationError(), 1083 Decrypt(CreateAesCbcAlgorithm(test_iv), 1084 key, 1085 CryptoData(&test_cipher_text[0], test_cipher_text.size() - 3), 1086 &output)); 1087 } 1088 } 1089 } 1090 1091 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyAes)) { 1092 // Check key generation for each of AES-CBC, AES-GCM, and AES-KW, and for each 1093 // allowed key length. 1094 std::vector<blink::WebCryptoAlgorithm> algorithm; 1095 const unsigned short kKeyLength[] = {128, 256}; 1096 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLength); ++i) { 1097 algorithm.push_back(CreateAesCbcKeyGenAlgorithm(kKeyLength[i])); 1098 algorithm.push_back(CreateAesKwKeyGenAlgorithm(kKeyLength[i])); 1099 if (SupportsAesGcm()) 1100 algorithm.push_back(CreateAesGcmKeyGenAlgorithm(kKeyLength[i])); 1101 } 1102 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1103 std::vector<std::vector<uint8> > keys; 1104 std::vector<uint8> key_bytes; 1105 for (size_t i = 0; i < algorithm.size(); ++i) { 1106 SCOPED_TRACE(i); 1107 // Generate a small sample of keys. 1108 keys.clear(); 1109 for (int j = 0; j < 16; ++j) { 1110 ASSERT_EQ(Status::Success(), 1111 GenerateSecretKey(algorithm[i], true, 0, &key)); 1112 EXPECT_TRUE(key.handle()); 1113 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1114 ASSERT_EQ(Status::Success(), 1115 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_bytes)); 1116 EXPECT_EQ(key_bytes.size() * 8, 1117 key.algorithm().aesParams()->lengthBits()); 1118 keys.push_back(key_bytes); 1119 } 1120 // Ensure all entries in the key sample set are unique. This is a simplistic 1121 // estimate of whether the generated keys appear random. 1122 EXPECT_FALSE(CopiesExist(keys)); 1123 } 1124 } 1125 1126 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyAesBadLength)) { 1127 const unsigned short kKeyLen[] = {0, 127, 257}; 1128 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1129 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kKeyLen); ++i) { 1130 SCOPED_TRACE(i); 1131 EXPECT_EQ(Status::ErrorGenerateKeyLength(), 1132 GenerateSecretKey( 1133 CreateAesCbcKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); 1134 EXPECT_EQ(Status::ErrorGenerateKeyLength(), 1135 GenerateSecretKey( 1136 CreateAesKwKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); 1137 if (SupportsAesGcm()) { 1138 EXPECT_EQ(Status::ErrorGenerateKeyLength(), 1139 GenerateSecretKey( 1140 CreateAesGcmKeyGenAlgorithm(kKeyLen[i]), true, 0, &key)); 1141 } 1142 } 1143 } 1144 1145 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyHmac)) { 1146 // Generate a small sample of HMAC keys. 1147 std::vector<std::vector<uint8> > keys; 1148 for (int i = 0; i < 16; ++i) { 1149 std::vector<uint8> key_bytes; 1150 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1151 blink::WebCryptoAlgorithm algorithm = 1152 CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha1, 512); 1153 ASSERT_EQ(Status::Success(), GenerateSecretKey(algorithm, true, 0, &key)); 1154 EXPECT_FALSE(key.isNull()); 1155 EXPECT_TRUE(key.handle()); 1156 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1157 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 1158 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 1159 key.algorithm().hmacParams()->hash().id()); 1160 EXPECT_EQ(512u, key.algorithm().hmacParams()->lengthBits()); 1161 1162 std::vector<uint8> raw_key; 1163 ASSERT_EQ(Status::Success(), 1164 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 1165 EXPECT_EQ(64U, raw_key.size()); 1166 keys.push_back(raw_key); 1167 } 1168 // Ensure all entries in the key sample set are unique. This is a simplistic 1169 // estimate of whether the generated keys appear random. 1170 EXPECT_FALSE(CopiesExist(keys)); 1171 } 1172 1173 // If the key length is not provided, then the block size is used. 1174 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyHmacNoLength)) { 1175 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1176 blink::WebCryptoAlgorithm algorithm = 1177 CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha1, 0); 1178 ASSERT_EQ(Status::Success(), GenerateSecretKey(algorithm, true, 0, &key)); 1179 EXPECT_TRUE(key.handle()); 1180 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1181 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 1182 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 1183 key.algorithm().hmacParams()->hash().id()); 1184 EXPECT_EQ(512u, key.algorithm().hmacParams()->lengthBits()); 1185 std::vector<uint8> raw_key; 1186 ASSERT_EQ(Status::Success(), 1187 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 1188 EXPECT_EQ(64U, raw_key.size()); 1189 1190 // The block size for HMAC SHA-512 is larger. 1191 algorithm = CreateHmacKeyGenAlgorithm(blink::WebCryptoAlgorithmIdSha512, 0); 1192 ASSERT_EQ(Status::Success(), GenerateSecretKey(algorithm, true, 0, &key)); 1193 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 1194 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha512, 1195 key.algorithm().hmacParams()->hash().id()); 1196 EXPECT_EQ(1024u, key.algorithm().hmacParams()->lengthBits()); 1197 ASSERT_EQ(Status::Success(), 1198 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 1199 EXPECT_EQ(128U, raw_key.size()); 1200 } 1201 1202 TEST_F(SharedCryptoTest, ImportJwkKeyUsage) { 1203 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1204 base::DictionaryValue dict; 1205 dict.SetString("kty", "oct"); 1206 dict.SetBoolean("ext", false); 1207 dict.SetString("k", "GADWrMRHwQfoNaXU5fZvTg=="); 1208 const blink::WebCryptoAlgorithm aes_cbc_algorithm = 1209 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1210 const blink::WebCryptoAlgorithm hmac_algorithm = 1211 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); 1212 const blink::WebCryptoAlgorithm aes_kw_algorithm = 1213 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 1214 1215 // Test null usage. 1216 base::ListValue* key_ops = new base::ListValue; 1217 // Note: the following call makes dict assume ownership of key_ops. 1218 dict.Set("key_ops", key_ops); 1219 EXPECT_EQ(Status::Success(), 1220 ImportKeyJwkFromDict(dict, aes_cbc_algorithm, false, 0, &key)); 1221 EXPECT_EQ(0, key.usages()); 1222 1223 // Test each key_ops value translates to the correct Web Crypto value. 1224 struct TestCase { 1225 const char* jwk_key_op; 1226 const char* jwk_alg; 1227 const blink::WebCryptoAlgorithm algorithm; 1228 const blink::WebCryptoKeyUsage usage; 1229 }; 1230 // TODO(padolph): Add 'deriveBits' key_ops value once it is supported. 1231 const TestCase test_case[] = { 1232 {"encrypt", "A128CBC", aes_cbc_algorithm, 1233 blink::WebCryptoKeyUsageEncrypt}, 1234 {"decrypt", "A128CBC", aes_cbc_algorithm, 1235 blink::WebCryptoKeyUsageDecrypt}, 1236 {"sign", "HS256", hmac_algorithm, blink::WebCryptoKeyUsageSign}, 1237 {"verify", "HS256", hmac_algorithm, blink::WebCryptoKeyUsageVerify}, 1238 {"wrapKey", "A128KW", aes_kw_algorithm, blink::WebCryptoKeyUsageWrapKey}, 1239 {"unwrapKey", "A128KW", aes_kw_algorithm, 1240 blink::WebCryptoKeyUsageUnwrapKey}}; 1241 for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(test_case); 1242 ++test_index) { 1243 SCOPED_TRACE(test_index); 1244 dict.SetString("alg", test_case[test_index].jwk_alg); 1245 key_ops->Clear(); 1246 key_ops->AppendString(test_case[test_index].jwk_key_op); 1247 EXPECT_EQ(Status::Success(), 1248 ImportKeyJwkFromDict(dict, 1249 test_case[test_index].algorithm, 1250 false, 1251 test_case[test_index].usage, 1252 &key)); 1253 EXPECT_EQ(test_case[test_index].usage, key.usages()); 1254 } 1255 1256 // Test discrete multiple usages. 1257 dict.SetString("alg", "A128CBC"); 1258 key_ops->Clear(); 1259 key_ops->AppendString("encrypt"); 1260 key_ops->AppendString("decrypt"); 1261 EXPECT_EQ(Status::Success(), 1262 ImportKeyJwkFromDict(dict, 1263 aes_cbc_algorithm, 1264 false, 1265 blink::WebCryptoKeyUsageDecrypt | 1266 blink::WebCryptoKeyUsageEncrypt, 1267 &key)); 1268 EXPECT_EQ(blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageEncrypt, 1269 key.usages()); 1270 1271 // Test constrained key usage (input usage is a subset of JWK usage). 1272 key_ops->Clear(); 1273 key_ops->AppendString("encrypt"); 1274 key_ops->AppendString("decrypt"); 1275 EXPECT_EQ(Status::Success(), 1276 ImportKeyJwkFromDict(dict, 1277 aes_cbc_algorithm, 1278 false, 1279 blink::WebCryptoKeyUsageDecrypt, 1280 &key)); 1281 EXPECT_EQ(blink::WebCryptoKeyUsageDecrypt, key.usages()); 1282 1283 // Test failure if input usage is NOT a strict subset of the JWK usage. 1284 key_ops->Clear(); 1285 key_ops->AppendString("encrypt"); 1286 EXPECT_EQ(Status::ErrorJwkKeyopsInconsistent(), 1287 ImportKeyJwkFromDict(dict, 1288 aes_cbc_algorithm, 1289 false, 1290 blink::WebCryptoKeyUsageEncrypt | 1291 blink::WebCryptoKeyUsageDecrypt, 1292 &key)); 1293 1294 // Test 'use' inconsistent with 'key_ops'. 1295 dict.SetString("alg", "HS256"); 1296 dict.SetString("use", "sig"); 1297 key_ops->AppendString("sign"); 1298 key_ops->AppendString("verify"); 1299 key_ops->AppendString("encrypt"); 1300 EXPECT_EQ(Status::ErrorJwkUseAndKeyopsInconsistent(), 1301 ImportKeyJwkFromDict( 1302 dict, 1303 hmac_algorithm, 1304 false, 1305 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 1306 &key)); 1307 1308 // Test JWK composite 'sig' use 1309 dict.Remove("key_ops", NULL); 1310 dict.SetString("use", "sig"); 1311 EXPECT_EQ(Status::Success(), 1312 ImportKeyJwkFromDict( 1313 dict, 1314 hmac_algorithm, 1315 false, 1316 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 1317 &key)); 1318 EXPECT_EQ(blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 1319 key.usages()); 1320 1321 // Test JWK composite use 'enc' usage 1322 dict.SetString("alg", "A128CBC"); 1323 dict.SetString("use", "enc"); 1324 EXPECT_EQ(Status::Success(), 1325 ImportKeyJwkFromDict(dict, 1326 aes_cbc_algorithm, 1327 false, 1328 blink::WebCryptoKeyUsageDecrypt | 1329 blink::WebCryptoKeyUsageEncrypt | 1330 blink::WebCryptoKeyUsageWrapKey | 1331 blink::WebCryptoKeyUsageUnwrapKey, 1332 &key)); 1333 EXPECT_EQ(blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageEncrypt | 1334 blink::WebCryptoKeyUsageWrapKey | 1335 blink::WebCryptoKeyUsageUnwrapKey, 1336 key.usages()); 1337 } 1338 1339 TEST_F(SharedCryptoTest, ImportJwkFailures) { 1340 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1341 blink::WebCryptoAlgorithm algorithm = 1342 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1343 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; 1344 1345 // Baseline pass: each test below breaks a single item, so we start with a 1346 // passing case to make sure each failure is caused by the isolated break. 1347 // Each breaking subtest below resets the dictionary to this passing case when 1348 // complete. 1349 base::DictionaryValue dict; 1350 RestoreJwkOctDictionary(&dict); 1351 EXPECT_EQ(Status::Success(), 1352 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1353 1354 // Fail on empty JSON. 1355 EXPECT_EQ( 1356 Status::ErrorImportEmptyKeyData(), 1357 ImportKeyJwk( 1358 CryptoData(MakeJsonVector("")), algorithm, false, usage_mask, &key)); 1359 1360 // Fail on invalid JSON. 1361 const std::vector<uint8> bad_json_vec = MakeJsonVector( 1362 "{" 1363 "\"kty\" : \"oct\"," 1364 "\"alg\" : \"HS256\"," 1365 "\"use\" : "); 1366 EXPECT_EQ(Status::ErrorJwkNotDictionary(), 1367 ImportKeyJwk( 1368 CryptoData(bad_json_vec), algorithm, false, usage_mask, &key)); 1369 1370 // Fail on JWK alg present but unrecognized. 1371 dict.SetString("alg", "A127CBC"); 1372 EXPECT_EQ(Status::ErrorJwkUnrecognizedAlgorithm(), 1373 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1374 RestoreJwkOctDictionary(&dict); 1375 1376 // Fail on invalid kty. 1377 dict.SetString("kty", "foo"); 1378 EXPECT_EQ(Status::ErrorJwkUnrecognizedKty(), 1379 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1380 RestoreJwkOctDictionary(&dict); 1381 1382 // Fail on missing kty. 1383 dict.Remove("kty", NULL); 1384 EXPECT_EQ(Status::ErrorJwkPropertyMissing("kty"), 1385 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1386 RestoreJwkOctDictionary(&dict); 1387 1388 // Fail on kty wrong type. 1389 dict.SetDouble("kty", 0.1); 1390 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("kty", "string"), 1391 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1392 RestoreJwkOctDictionary(&dict); 1393 1394 // Fail on invalid use. 1395 dict.SetString("use", "foo"); 1396 EXPECT_EQ(Status::ErrorJwkUnrecognizedUse(), 1397 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1398 RestoreJwkOctDictionary(&dict); 1399 1400 // Fail on invalid use (wrong type). 1401 dict.SetBoolean("use", true); 1402 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("use", "string"), 1403 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1404 RestoreJwkOctDictionary(&dict); 1405 1406 // Fail on invalid extractable (wrong type). 1407 dict.SetInteger("ext", 0); 1408 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("ext", "boolean"), 1409 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1410 RestoreJwkOctDictionary(&dict); 1411 1412 // Fail on invalid key_ops (wrong type). 1413 dict.SetBoolean("key_ops", true); 1414 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("key_ops", "list"), 1415 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1416 RestoreJwkOctDictionary(&dict); 1417 1418 // Fail on inconsistent key_ops - asking for "encrypt" however JWK contains 1419 // only "foo". 1420 base::ListValue* key_ops = new base::ListValue; 1421 // Note: the following call makes dict assume ownership of key_ops. 1422 dict.Set("key_ops", key_ops); 1423 key_ops->AppendString("foo"); 1424 EXPECT_EQ(Status::ErrorJwkKeyopsInconsistent(), 1425 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1426 RestoreJwkOctDictionary(&dict); 1427 } 1428 1429 // Import a JWK with unrecognized values for "key_ops". 1430 TEST_F(SharedCryptoTest, ImportJwkUnrecognizedKeyOps) { 1431 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1432 blink::WebCryptoAlgorithm algorithm = 1433 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1434 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; 1435 1436 base::DictionaryValue dict; 1437 RestoreJwkOctDictionary(&dict); 1438 1439 base::ListValue* key_ops = new base::ListValue; 1440 dict.Set("key_ops", key_ops); 1441 key_ops->AppendString("foo"); 1442 key_ops->AppendString("bar"); 1443 key_ops->AppendString("baz"); 1444 key_ops->AppendString("encrypt"); 1445 EXPECT_EQ(Status::Success(), 1446 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1447 } 1448 1449 // Import a JWK with a value in key_ops array that is not a string. 1450 TEST_F(SharedCryptoTest, ImportJwkNonStringKeyOp) { 1451 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1452 blink::WebCryptoAlgorithm algorithm = 1453 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1454 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; 1455 1456 base::DictionaryValue dict; 1457 RestoreJwkOctDictionary(&dict); 1458 1459 base::ListValue* key_ops = new base::ListValue; 1460 dict.Set("key_ops", key_ops); 1461 key_ops->AppendString("encrypt"); 1462 key_ops->AppendInteger(3); 1463 EXPECT_EQ(Status::ErrorJwkPropertyWrongType("key_ops[1]", "string"), 1464 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1465 } 1466 1467 TEST_F(SharedCryptoTest, ImportJwkOctFailures) { 1468 base::DictionaryValue dict; 1469 RestoreJwkOctDictionary(&dict); 1470 blink::WebCryptoAlgorithm algorithm = 1471 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1472 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageEncrypt; 1473 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1474 1475 // Baseline pass. 1476 EXPECT_EQ(Status::Success(), 1477 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1478 EXPECT_EQ(algorithm.id(), key.algorithm().id()); 1479 EXPECT_FALSE(key.extractable()); 1480 EXPECT_EQ(blink::WebCryptoKeyUsageEncrypt, key.usages()); 1481 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1482 1483 // The following are specific failure cases for when kty = "oct". 1484 1485 // Fail on missing k. 1486 dict.Remove("k", NULL); 1487 EXPECT_EQ(Status::ErrorJwkPropertyMissing("k"), 1488 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1489 RestoreJwkOctDictionary(&dict); 1490 1491 // Fail on bad b64 encoding for k. 1492 dict.SetString("k", "Qk3f0DsytU8lfza2au #$% Htaw2xpop9GYyTuH0p5GghxTI="); 1493 EXPECT_EQ(Status::ErrorJwkBase64Decode("k"), 1494 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1495 RestoreJwkOctDictionary(&dict); 1496 1497 // Fail on empty k. 1498 dict.SetString("k", ""); 1499 EXPECT_EQ(Status::ErrorJwkIncorrectKeyLength(), 1500 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1501 RestoreJwkOctDictionary(&dict); 1502 1503 // Fail on k actual length (120 bits) inconsistent with the embedded JWK alg 1504 // value (128) for an AES key. 1505 dict.SetString("k", "AVj42h0Y5aqGtE3yluKL"); 1506 EXPECT_EQ(Status::ErrorJwkIncorrectKeyLength(), 1507 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1508 RestoreJwkOctDictionary(&dict); 1509 1510 // Fail on k actual length (192 bits) inconsistent with the embedded JWK alg 1511 // value (128) for an AES key. 1512 dict.SetString("k", "dGhpcyAgaXMgIDI0ICBieXRlcyBsb25n"); 1513 EXPECT_EQ(Status::ErrorJwkIncorrectKeyLength(), 1514 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1515 RestoreJwkOctDictionary(&dict); 1516 } 1517 1518 TEST_F(SharedCryptoTest, MAYBE(ImportExportJwkRsaPublicKey)) { 1519 if (!SupportsRsaKeyImport()) 1520 return; 1521 1522 const bool supports_rsa_oaep = SupportsRsaOaep(); 1523 if (!supports_rsa_oaep) { 1524 LOG(WARNING) << "RSA-OAEP not supported on this platform. Skipping some" 1525 << "tests."; 1526 } 1527 1528 struct TestCase { 1529 const blink::WebCryptoAlgorithm algorithm; 1530 const blink::WebCryptoKeyUsageMask usage; 1531 const char* const jwk_alg; 1532 }; 1533 const TestCase kTests[] = { 1534 // RSASSA-PKCS1-v1_5 SHA-1 1535 {CreateRsaHashedImportAlgorithm( 1536 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 1537 blink::WebCryptoAlgorithmIdSha1), 1538 blink::WebCryptoKeyUsageVerify, "RS1"}, 1539 // RSASSA-PKCS1-v1_5 SHA-256 1540 {CreateRsaHashedImportAlgorithm( 1541 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 1542 blink::WebCryptoAlgorithmIdSha256), 1543 blink::WebCryptoKeyUsageVerify, "RS256"}, 1544 // RSASSA-PKCS1-v1_5 SHA-384 1545 {CreateRsaHashedImportAlgorithm( 1546 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 1547 blink::WebCryptoAlgorithmIdSha384), 1548 blink::WebCryptoKeyUsageVerify, "RS384"}, 1549 // RSASSA-PKCS1-v1_5 SHA-512 1550 {CreateRsaHashedImportAlgorithm( 1551 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 1552 blink::WebCryptoAlgorithmIdSha512), 1553 blink::WebCryptoKeyUsageVerify, "RS512"}, 1554 // RSA-OAEP with SHA-1 and MGF-1 / SHA-1 1555 {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep, 1556 blink::WebCryptoAlgorithmIdSha1), 1557 blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP"}, 1558 // RSA-OAEP with SHA-256 and MGF-1 / SHA-256 1559 {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep, 1560 blink::WebCryptoAlgorithmIdSha256), 1561 blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-256"}, 1562 // RSA-OAEP with SHA-384 and MGF-1 / SHA-384 1563 {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep, 1564 blink::WebCryptoAlgorithmIdSha384), 1565 blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-384"}, 1566 // RSA-OAEP with SHA-512 and MGF-1 / SHA-512 1567 {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep, 1568 blink::WebCryptoAlgorithmIdSha512), 1569 blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-512"}}; 1570 1571 for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests); 1572 ++test_index) { 1573 SCOPED_TRACE(test_index); 1574 const TestCase& test = kTests[test_index]; 1575 if (!supports_rsa_oaep && 1576 test.algorithm.id() == blink::WebCryptoAlgorithmIdRsaOaep) { 1577 continue; 1578 } 1579 1580 // Import the spki to create a public key 1581 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 1582 ASSERT_EQ(Status::Success(), 1583 ImportKey(blink::WebCryptoKeyFormatSpki, 1584 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 1585 test.algorithm, 1586 true, 1587 test.usage, 1588 &public_key)); 1589 1590 // Export the public key as JWK and verify its contents 1591 std::vector<uint8> jwk; 1592 ASSERT_EQ(Status::Success(), 1593 ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk)); 1594 EXPECT_TRUE(VerifyPublicJwk(jwk, 1595 test.jwk_alg, 1596 kPublicKeyModulusHex, 1597 kPublicKeyExponentHex, 1598 test.usage)); 1599 1600 // Import the JWK back in to create a new key 1601 blink::WebCryptoKey public_key2 = blink::WebCryptoKey::createNull(); 1602 ASSERT_EQ( 1603 Status::Success(), 1604 ImportKeyJwk( 1605 CryptoData(jwk), test.algorithm, true, test.usage, &public_key2)); 1606 ASSERT_TRUE(public_key2.handle()); 1607 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key2.type()); 1608 EXPECT_TRUE(public_key2.extractable()); 1609 EXPECT_EQ(test.algorithm.id(), public_key2.algorithm().id()); 1610 1611 // Only perform SPKI consistency test for RSA-SSA as its 1612 // export format is the same as kPublicKeySpkiDerHex 1613 if (test.algorithm.id() == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5) { 1614 // Export the new key as spki and compare to the original. 1615 std::vector<uint8> spki; 1616 ASSERT_EQ(Status::Success(), 1617 ExportKey(blink::WebCryptoKeyFormatSpki, public_key2, &spki)); 1618 EXPECT_BYTES_EQ_HEX(kPublicKeySpkiDerHex, CryptoData(spki)); 1619 } 1620 } 1621 } 1622 1623 TEST_F(SharedCryptoTest, MAYBE(ImportJwkRsaFailures)) { 1624 base::DictionaryValue dict; 1625 RestoreJwkRsaDictionary(&dict); 1626 blink::WebCryptoAlgorithm algorithm = 1627 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 1628 blink::WebCryptoAlgorithmIdSha256); 1629 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageVerify; 1630 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1631 1632 // An RSA public key JWK _must_ have an "n" (modulus) and an "e" (exponent) 1633 // entry, while an RSA private key must have those plus at least a "d" 1634 // (private exponent) entry. 1635 // See http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms-18, 1636 // section 6.3. 1637 1638 // Baseline pass. 1639 EXPECT_EQ(Status::Success(), 1640 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1641 EXPECT_EQ(algorithm.id(), key.algorithm().id()); 1642 EXPECT_FALSE(key.extractable()); 1643 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages()); 1644 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); 1645 1646 // The following are specific failure cases for when kty = "RSA". 1647 1648 // Fail if either "n" or "e" is not present or malformed. 1649 const std::string kKtyParmName[] = {"n", "e"}; 1650 for (size_t idx = 0; idx < ARRAYSIZE_UNSAFE(kKtyParmName); ++idx) { 1651 // Fail on missing parameter. 1652 dict.Remove(kKtyParmName[idx], NULL); 1653 EXPECT_NE(Status::Success(), 1654 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1655 RestoreJwkRsaDictionary(&dict); 1656 1657 // Fail on bad b64 parameter encoding. 1658 dict.SetString(kKtyParmName[idx], "Qk3f0DsytU8lfza2au #$% Htaw2xpop9yTuH0"); 1659 EXPECT_NE(Status::Success(), 1660 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1661 RestoreJwkRsaDictionary(&dict); 1662 1663 // Fail on empty parameter. 1664 dict.SetString(kKtyParmName[idx], ""); 1665 EXPECT_NE(Status::Success(), 1666 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1667 RestoreJwkRsaDictionary(&dict); 1668 } 1669 } 1670 1671 TEST_F(SharedCryptoTest, MAYBE(ImportJwkInputConsistency)) { 1672 // The Web Crypto spec says that if a JWK value is present, but is 1673 // inconsistent with the input value, the operation must fail. 1674 1675 // Consistency rules when JWK value is not present: Inputs should be used. 1676 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1677 bool extractable = false; 1678 blink::WebCryptoAlgorithm algorithm = 1679 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); 1680 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageVerify; 1681 base::DictionaryValue dict; 1682 dict.SetString("kty", "oct"); 1683 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); 1684 std::vector<uint8> json_vec = MakeJsonVector(dict); 1685 EXPECT_EQ( 1686 Status::Success(), 1687 ImportKeyJwk( 1688 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); 1689 EXPECT_TRUE(key.handle()); 1690 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1691 EXPECT_EQ(extractable, key.extractable()); 1692 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 1693 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 1694 key.algorithm().hmacParams()->hash().id()); 1695 EXPECT_EQ(320u, key.algorithm().hmacParams()->lengthBits()); 1696 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages()); 1697 key = blink::WebCryptoKey::createNull(); 1698 1699 // Consistency rules when JWK value exists: Fail if inconsistency is found. 1700 1701 // Pass: All input values are consistent with the JWK values. 1702 dict.Clear(); 1703 dict.SetString("kty", "oct"); 1704 dict.SetString("alg", "HS256"); 1705 dict.SetString("use", "sig"); 1706 dict.SetBoolean("ext", false); 1707 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); 1708 json_vec = MakeJsonVector(dict); 1709 EXPECT_EQ( 1710 Status::Success(), 1711 ImportKeyJwk( 1712 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); 1713 1714 // Extractable cases: 1715 // 1. input=T, JWK=F ==> fail (inconsistent) 1716 // 4. input=F, JWK=F ==> pass, result extractable is F 1717 // 2. input=T, JWK=T ==> pass, result extractable is T 1718 // 3. input=F, JWK=T ==> pass, result extractable is F 1719 EXPECT_EQ( 1720 Status::ErrorJwkExtInconsistent(), 1721 ImportKeyJwk(CryptoData(json_vec), algorithm, true, usage_mask, &key)); 1722 EXPECT_EQ( 1723 Status::Success(), 1724 ImportKeyJwk(CryptoData(json_vec), algorithm, false, usage_mask, &key)); 1725 EXPECT_FALSE(key.extractable()); 1726 dict.SetBoolean("ext", true); 1727 EXPECT_EQ(Status::Success(), 1728 ImportKeyJwkFromDict(dict, algorithm, true, usage_mask, &key)); 1729 EXPECT_TRUE(key.extractable()); 1730 EXPECT_EQ(Status::Success(), 1731 ImportKeyJwkFromDict(dict, algorithm, false, usage_mask, &key)); 1732 EXPECT_FALSE(key.extractable()); 1733 dict.SetBoolean("ext", true); // restore previous value 1734 1735 // Fail: Input algorithm (AES-CBC) is inconsistent with JWK value 1736 // (HMAC SHA256). 1737 EXPECT_EQ(Status::ErrorJwkAlgorithmInconsistent(), 1738 ImportKeyJwk(CryptoData(json_vec), 1739 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 1740 extractable, 1741 blink::WebCryptoKeyUsageEncrypt, 1742 &key)); 1743 1744 // Fail: Input algorithm (HMAC SHA1) is inconsistent with JWK value 1745 // (HMAC SHA256). 1746 EXPECT_EQ( 1747 Status::ErrorJwkAlgorithmInconsistent(), 1748 ImportKeyJwk(CryptoData(json_vec), 1749 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1), 1750 extractable, 1751 usage_mask, 1752 &key)); 1753 1754 // Pass: JWK alg missing but input algorithm specified: use input value 1755 dict.Remove("alg", NULL); 1756 EXPECT_EQ(Status::Success(), 1757 ImportKeyJwkFromDict( 1758 dict, 1759 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256), 1760 extractable, 1761 usage_mask, 1762 &key)); 1763 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, algorithm.id()); 1764 dict.SetString("alg", "HS256"); 1765 1766 // Fail: Input usage_mask (encrypt) is not a subset of the JWK value 1767 // (sign|verify). Moreover "encrypt" is not a valid usage for HMAC. 1768 EXPECT_EQ(Status::ErrorCreateKeyBadUsages(), 1769 ImportKeyJwk(CryptoData(json_vec), 1770 algorithm, 1771 extractable, 1772 blink::WebCryptoKeyUsageEncrypt, 1773 &key)); 1774 1775 // Fail: Input usage_mask (encrypt|sign|verify) is not a subset of the JWK 1776 // value (sign|verify). Moreover "encrypt" is not a valid usage for HMAC. 1777 usage_mask = blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageSign | 1778 blink::WebCryptoKeyUsageVerify; 1779 EXPECT_EQ( 1780 Status::ErrorCreateKeyBadUsages(), 1781 ImportKeyJwk( 1782 CryptoData(json_vec), algorithm, extractable, usage_mask, &key)); 1783 1784 // TODO(padolph): kty vs alg consistency tests: Depending on the kty value, 1785 // only certain alg values are permitted. For example, when kty = "RSA" alg 1786 // must be of the RSA family, or when kty = "oct" alg must be symmetric 1787 // algorithm. 1788 1789 // TODO(padolph): key_ops consistency tests 1790 } 1791 1792 TEST_F(SharedCryptoTest, MAYBE(ImportJwkHappy)) { 1793 // This test verifies the happy path of JWK import, including the application 1794 // of the imported key material. 1795 1796 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1797 bool extractable = false; 1798 blink::WebCryptoAlgorithm algorithm = 1799 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); 1800 blink::WebCryptoKeyUsageMask usage_mask = blink::WebCryptoKeyUsageSign; 1801 1802 // Import a symmetric key JWK and HMAC-SHA256 sign() 1803 // Uses the first SHA256 test vector from the HMAC sample set above. 1804 1805 base::DictionaryValue dict; 1806 dict.SetString("kty", "oct"); 1807 dict.SetString("alg", "HS256"); 1808 dict.SetString("use", "sig"); 1809 dict.SetBoolean("ext", false); 1810 dict.SetString("k", "l3nZEgZCeX8XRwJdWyK3rGB8qwjhdY8vOkbIvh4lxTuMao9Y_--hdg"); 1811 1812 ASSERT_EQ( 1813 Status::Success(), 1814 ImportKeyJwkFromDict(dict, algorithm, extractable, usage_mask, &key)); 1815 1816 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 1817 key.algorithm().hmacParams()->hash().id()); 1818 1819 const std::vector<uint8> message_raw = HexStringToBytes( 1820 "b1689c2591eaf3c9e66070f8a77954ffb81749f1b00346f9dfe0b2ee905dcc288baf4a" 1821 "92de3f4001dd9f44c468c3d07d6c6ee82faceafc97c2fc0fc0601719d2dcd0aa2aec92" 1822 "d1b0ae933c65eb06a03c9c935c2bad0459810241347ab87e9f11adb30415424c6c7f5f" 1823 "22a003b8ab8de54f6ded0e3ab9245fa79568451dfa258e"); 1824 1825 std::vector<uint8> output; 1826 1827 ASSERT_EQ(Status::Success(), 1828 Sign(CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac), 1829 key, 1830 CryptoData(message_raw), 1831 &output)); 1832 1833 const std::string mac_raw = 1834 "769f00d3e6a6cc1fb426a14a4f76c6462e6149726e0dee0ec0cf97a16605ac8b"; 1835 1836 EXPECT_BYTES_EQ_HEX(mac_raw, output); 1837 1838 // TODO(padolph): Import an RSA public key JWK and use it 1839 } 1840 1841 TEST_F(SharedCryptoTest, MAYBE(ImportExportJwkSymmetricKey)) { 1842 // Raw keys are generated by openssl: 1843 // % openssl rand -hex <key length bytes> 1844 const char* const key_hex_128 = "3f1e7cd4f6f8543f6b1e16002e688623"; 1845 const char* const key_hex_256 = 1846 "bd08286b81a74783fd1ccf46b7e05af84ee25ae021210074159e0c4d9d907692"; 1847 const char* const key_hex_384 = 1848 "a22c5441c8b185602283d64c7221de1d0951e706bfc09539435ec0e0ed614e1d406623f2" 1849 "b31d31819fec30993380dd82"; 1850 const char* const key_hex_512 = 1851 "5834f639000d4cf82de124fbfd26fb88d463e99f839a76ba41ac88967c80a3f61e1239a4" 1852 "52e573dba0750e988152988576efd75b8d0229b7aca2ada2afd392ee"; 1853 const blink::WebCryptoAlgorithm aes_cbc_alg = 1854 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 1855 const blink::WebCryptoAlgorithm aes_gcm_alg = 1856 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm); 1857 const blink::WebCryptoAlgorithm aes_kw_alg = 1858 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 1859 const blink::WebCryptoAlgorithm hmac_sha_1_alg = 1860 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1); 1861 const blink::WebCryptoAlgorithm hmac_sha_256_alg = 1862 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256); 1863 const blink::WebCryptoAlgorithm hmac_sha_384_alg = 1864 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha384); 1865 const blink::WebCryptoAlgorithm hmac_sha_512_alg = 1866 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha512); 1867 1868 struct TestCase { 1869 const char* const key_hex; 1870 const blink::WebCryptoAlgorithm algorithm; 1871 const blink::WebCryptoKeyUsageMask usage; 1872 const char* const jwk_alg; 1873 }; 1874 1875 // TODO(padolph): Test AES-CTR JWK export, once AES-CTR import works. 1876 const TestCase kTests[] = { 1877 // AES-CBC 128 1878 {key_hex_128, aes_cbc_alg, 1879 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, 1880 "A128CBC"}, 1881 // AES-CBC 256 1882 {key_hex_256, aes_cbc_alg, blink::WebCryptoKeyUsageDecrypt, "A256CBC"}, 1883 // AES-GCM 128 1884 {key_hex_128, aes_gcm_alg, 1885 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, 1886 "A128GCM"}, 1887 // AES-GCM 256 1888 {key_hex_256, aes_gcm_alg, blink::WebCryptoKeyUsageDecrypt, "A256GCM"}, 1889 // AES-KW 128 1890 {key_hex_128, aes_kw_alg, 1891 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey, 1892 "A128KW"}, 1893 // AES-KW 256 1894 {key_hex_256, aes_kw_alg, 1895 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey, 1896 "A256KW"}, 1897 // HMAC SHA-1 1898 {key_hex_256, hmac_sha_1_alg, 1899 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, "HS1"}, 1900 // HMAC SHA-384 1901 {key_hex_384, hmac_sha_384_alg, blink::WebCryptoKeyUsageSign, "HS384"}, 1902 // HMAC SHA-512 1903 {key_hex_512, hmac_sha_512_alg, blink::WebCryptoKeyUsageVerify, "HS512"}, 1904 // Large usage value 1905 {key_hex_256, aes_cbc_alg, 1906 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt | 1907 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey, 1908 "A256CBC"}, 1909 // Zero usage value 1910 {key_hex_512, hmac_sha_512_alg, 0, "HS512"}, 1911 }; 1912 1913 // Round-trip import/export each key. 1914 1915 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1916 std::vector<uint8> json; 1917 for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests); 1918 ++test_index) { 1919 SCOPED_TRACE(test_index); 1920 const TestCase& test = kTests[test_index]; 1921 1922 // Skip AES-GCM tests where not supported. 1923 if (test.algorithm.id() == blink::WebCryptoAlgorithmIdAesGcm && 1924 !SupportsAesGcm()) { 1925 continue; 1926 } 1927 1928 // Import a raw key. 1929 key = ImportSecretKeyFromRaw( 1930 HexStringToBytes(test.key_hex), test.algorithm, test.usage); 1931 1932 // Export the key in JWK format and validate. 1933 ASSERT_EQ(Status::Success(), 1934 ExportKey(blink::WebCryptoKeyFormatJwk, key, &json)); 1935 EXPECT_TRUE(VerifySecretJwk(json, test.jwk_alg, test.key_hex, test.usage)); 1936 1937 // Import the JWK-formatted key. 1938 ASSERT_EQ( 1939 Status::Success(), 1940 ImportKeyJwk(CryptoData(json), test.algorithm, true, test.usage, &key)); 1941 EXPECT_TRUE(key.handle()); 1942 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1943 EXPECT_EQ(test.algorithm.id(), key.algorithm().id()); 1944 EXPECT_EQ(true, key.extractable()); 1945 EXPECT_EQ(test.usage, key.usages()); 1946 1947 // Export the key in raw format and compare to the original. 1948 std::vector<uint8> key_raw_out; 1949 ASSERT_EQ(Status::Success(), 1950 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); 1951 EXPECT_BYTES_EQ_HEX(test.key_hex, key_raw_out); 1952 } 1953 } 1954 1955 TEST_F(SharedCryptoTest, MAYBE(ExportJwkEmptySymmetricKey)) { 1956 const blink::WebCryptoAlgorithm import_algorithm = 1957 webcrypto::CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1); 1958 1959 blink::WebCryptoKeyUsageMask usages = blink::WebCryptoKeyUsageSign; 1960 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 1961 1962 // Import a zero-byte HMAC key. 1963 const char key_data_hex[] = ""; 1964 key = ImportSecretKeyFromRaw( 1965 HexStringToBytes(key_data_hex), import_algorithm, usages); 1966 EXPECT_EQ(0u, key.algorithm().hmacParams()->lengthBits()); 1967 1968 // Export the key in JWK format and validate. 1969 std::vector<uint8> json; 1970 ASSERT_EQ(Status::Success(), 1971 ExportKey(blink::WebCryptoKeyFormatJwk, key, &json)); 1972 EXPECT_TRUE(VerifySecretJwk(json, "HS1", key_data_hex, usages)); 1973 1974 // Now try re-importing the JWK key. 1975 key = blink::WebCryptoKey::createNull(); 1976 EXPECT_EQ(Status::Success(), 1977 ImportKey(blink::WebCryptoKeyFormatJwk, 1978 CryptoData(json), 1979 import_algorithm, 1980 true, 1981 usages, 1982 &key)); 1983 1984 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 1985 EXPECT_EQ(0u, key.algorithm().hmacParams()->lengthBits()); 1986 1987 std::vector<uint8> exported_key_data; 1988 EXPECT_EQ(Status::Success(), 1989 ExportKey(blink::WebCryptoKeyFormatRaw, key, &exported_key_data)); 1990 1991 EXPECT_EQ(0u, exported_key_data.size()); 1992 } 1993 1994 TEST_F(SharedCryptoTest, MAYBE(ImportExportSpki)) { 1995 if (!SupportsRsaKeyImport()) 1996 return; 1997 1998 // Passing case: Import a valid RSA key in SPKI format. 1999 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2000 ASSERT_EQ(Status::Success(), 2001 ImportKey(blink::WebCryptoKeyFormatSpki, 2002 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 2003 CreateRsaHashedImportAlgorithm( 2004 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2005 blink::WebCryptoAlgorithmIdSha256), 2006 true, 2007 blink::WebCryptoKeyUsageVerify, 2008 &key)); 2009 EXPECT_TRUE(key.handle()); 2010 EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type()); 2011 EXPECT_TRUE(key.extractable()); 2012 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages()); 2013 EXPECT_EQ(kModulusLengthBits, 2014 key.algorithm().rsaHashedParams()->modulusLengthBits()); 2015 EXPECT_BYTES_EQ_HEX( 2016 "010001", 2017 CryptoData(key.algorithm().rsaHashedParams()->publicExponent())); 2018 2019 // Failing case: Empty SPKI data 2020 EXPECT_EQ( 2021 Status::ErrorImportEmptyKeyData(), 2022 ImportKey(blink::WebCryptoKeyFormatSpki, 2023 CryptoData(std::vector<uint8>()), 2024 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), 2025 true, 2026 blink::WebCryptoKeyUsageVerify, 2027 &key)); 2028 2029 // Failing case: Bad DER encoding. 2030 EXPECT_EQ( 2031 Status::DataError(), 2032 ImportKey(blink::WebCryptoKeyFormatSpki, 2033 CryptoData(HexStringToBytes("618333c4cb")), 2034 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), 2035 true, 2036 blink::WebCryptoKeyUsageVerify, 2037 &key)); 2038 2039 // Failing case: Import RSA key but provide an inconsistent input algorithm. 2040 EXPECT_EQ(Status::DataError(), 2041 ImportKey(blink::WebCryptoKeyFormatSpki, 2042 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 2043 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 2044 true, 2045 blink::WebCryptoKeyUsageEncrypt, 2046 &key)); 2047 2048 // Passing case: Export a previously imported RSA public key in SPKI format 2049 // and compare to original data. 2050 std::vector<uint8> output; 2051 ASSERT_EQ(Status::Success(), 2052 ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); 2053 EXPECT_BYTES_EQ_HEX(kPublicKeySpkiDerHex, output); 2054 2055 // Failing case: Try to export a previously imported RSA public key in raw 2056 // format (not allowed for a public key). 2057 EXPECT_EQ(Status::ErrorUnexpectedKeyType(), 2058 ExportKey(blink::WebCryptoKeyFormatRaw, key, &output)); 2059 2060 // Failing case: Try to export a non-extractable key 2061 ASSERT_EQ(Status::Success(), 2062 ImportKey(blink::WebCryptoKeyFormatSpki, 2063 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 2064 CreateRsaHashedImportAlgorithm( 2065 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2066 blink::WebCryptoAlgorithmIdSha256), 2067 false, 2068 blink::WebCryptoKeyUsageVerify, 2069 &key)); 2070 EXPECT_TRUE(key.handle()); 2071 EXPECT_FALSE(key.extractable()); 2072 EXPECT_EQ(Status::ErrorKeyNotExtractable(), 2073 ExportKey(blink::WebCryptoKeyFormatSpki, key, &output)); 2074 2075 // TODO(eroman): Failing test: Import a SPKI with an unrecognized hash OID 2076 // TODO(eroman): Failing test: Import a SPKI with invalid algorithm params 2077 // TODO(eroman): Failing test: Import a SPKI with inconsistent parameters 2078 // (e.g. SHA-1 in OID, SHA-256 in params) 2079 // TODO(eroman): Failing test: Import a SPKI for RSA-SSA, but with params 2080 // as OAEP/PSS 2081 } 2082 2083 TEST_F(SharedCryptoTest, MAYBE(ImportExportPkcs8)) { 2084 if (!SupportsRsaKeyImport()) 2085 return; 2086 2087 // Passing case: Import a valid RSA key in PKCS#8 format. 2088 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2089 ASSERT_EQ(Status::Success(), 2090 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2091 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 2092 CreateRsaHashedImportAlgorithm( 2093 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2094 blink::WebCryptoAlgorithmIdSha1), 2095 true, 2096 blink::WebCryptoKeyUsageSign, 2097 &key)); 2098 EXPECT_TRUE(key.handle()); 2099 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, key.type()); 2100 EXPECT_TRUE(key.extractable()); 2101 EXPECT_EQ(blink::WebCryptoKeyUsageSign, key.usages()); 2102 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 2103 key.algorithm().rsaHashedParams()->hash().id()); 2104 EXPECT_EQ(kModulusLengthBits, 2105 key.algorithm().rsaHashedParams()->modulusLengthBits()); 2106 EXPECT_BYTES_EQ_HEX( 2107 "010001", 2108 CryptoData(key.algorithm().rsaHashedParams()->publicExponent())); 2109 2110 std::vector<uint8> exported_key; 2111 ASSERT_EQ(Status::Success(), 2112 ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &exported_key)); 2113 EXPECT_BYTES_EQ_HEX(kPrivateKeyPkcs8DerHex, exported_key); 2114 2115 // Failing case: Empty PKCS#8 data 2116 EXPECT_EQ(Status::ErrorImportEmptyKeyData(), 2117 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2118 CryptoData(std::vector<uint8>()), 2119 CreateRsaHashedImportAlgorithm( 2120 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2121 blink::WebCryptoAlgorithmIdSha1), 2122 true, 2123 blink::WebCryptoKeyUsageSign, 2124 &key)); 2125 2126 // Failing case: Bad DER encoding. 2127 EXPECT_EQ( 2128 Status::DataError(), 2129 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2130 CryptoData(HexStringToBytes("618333c4cb")), 2131 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), 2132 true, 2133 blink::WebCryptoKeyUsageSign, 2134 &key)); 2135 2136 // Failing case: Import RSA key but provide an inconsistent input algorithm 2137 // and usage. Several issues here: 2138 // * AES-CBC doesn't support PKCS8 key format 2139 // * AES-CBC doesn't support "sign" usage 2140 EXPECT_EQ(Status::ErrorCreateKeyBadUsages(), 2141 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2142 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 2143 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 2144 true, 2145 blink::WebCryptoKeyUsageSign, 2146 &key)); 2147 } 2148 2149 // Tests JWK import and export by doing a roundtrip key conversion and ensuring 2150 // it was lossless: 2151 // 2152 // PKCS8 --> JWK --> PKCS8 2153 TEST_F(SharedCryptoTest, MAYBE(ImportRsaPrivateKeyJwkToPkcs8RoundTrip)) { 2154 if (!SupportsRsaKeyImport()) 2155 return; 2156 2157 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2158 ASSERT_EQ(Status::Success(), 2159 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2160 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 2161 CreateRsaHashedImportAlgorithm( 2162 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2163 blink::WebCryptoAlgorithmIdSha1), 2164 true, 2165 blink::WebCryptoKeyUsageSign, 2166 &key)); 2167 2168 std::vector<uint8> exported_key_jwk; 2169 ASSERT_EQ(Status::Success(), 2170 ExportKey(blink::WebCryptoKeyFormatJwk, key, &exported_key_jwk)); 2171 2172 // All of the optional parameters (p, q, dp, dq, qi) should be present in the 2173 // output. 2174 const char* expected_jwk = 2175 "{\"alg\":\"RS1\",\"d\":\"M6UEKpCyfU9UUcqbu9C0R3GhAa-IQ0Cu-YhfKku-" 2176 "kuiUpySsPFaMj5eFOtB8AmbIxqPKCSnx6PESMYhEKfxNmuVf7olqEM5wfD7X5zTkRyejlXRQ" 2177 "GlMmgxCcKrrKuig8MbS9L1PD7jfjUs7jT55QO9gMBiKtecbc7og1R8ajsyU\",\"dp\":" 2178 "\"KPoTk4ZVvh-" 2179 "KFZy6ylpy6hkMMAieGc0nSlVvNsT24Z9VSzTAd3kEJ7vdjdPt4kSDKPOF2Bsw6OQ7L_-" 2180 "gJ4YZeQ\",\"dq\":\"Gos485j6cSBJiY1_t57gp3ZoeRKZzfoJ78DlB6yyHtdDAe9b_Ui-" 2181 "RV6utuFnglWCdYCo5OjhQVHRUQqCo_LnKQ\",\"e\":\"AQAB\",\"ext\":true,\"key_" 2182 "ops\":[\"sign\"],\"kty\":\"RSA\",\"n\":" 2183 "\"pW5KDnAQF1iaUYfcfqhB0Vby7A42rVKkTf6x5h962ZHYxRBW_-2xYrTA8oOhKoijlN_" 2184 "1JqtykcuzB86r_OCx39XNlQgJbVsri2311nHvY3fAkhyyPCcKcOJZjm_4nRnxBazC0_" 2185 "DLNfKSgOE4a29kxO8i4eHyDQzoz_siSb2aITc\",\"p\":\"5-" 2186 "iUJyCod1Fyc6NWBT6iobwMlKpy1VxuhilrLfyWeUjApyy8zKfqyzVwbgmh31WhU1vZs8w0Fg" 2187 "s7bc0-2o5kQw\",\"q\":\"tp3KHPfU1-yB51uQ_MqHSrzeEj_" 2188 "ScAGAqpBHm25I3o1n7ST58Z2FuidYdPVCzSDccj5pYzZKH5QlRSsmmmeZ_Q\",\"qi\":" 2189 "\"JxVqukEm0kqB86Uoy_sn9WiG-" 2190 "ECp9uhuF6RLlP6TGVhLjiL93h5aLjvYqluo2FhBlOshkKz4MrhH8To9JKefTQ\"}"; 2191 2192 ASSERT_EQ(CryptoData(std::string(expected_jwk)), 2193 CryptoData(exported_key_jwk)); 2194 2195 ASSERT_EQ(Status::Success(), 2196 ImportKey(blink::WebCryptoKeyFormatJwk, 2197 CryptoData(exported_key_jwk), 2198 CreateRsaHashedImportAlgorithm( 2199 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2200 blink::WebCryptoAlgorithmIdSha1), 2201 true, 2202 blink::WebCryptoKeyUsageSign, 2203 &key)); 2204 2205 std::vector<uint8> exported_key_pkcs8; 2206 ASSERT_EQ( 2207 Status::Success(), 2208 ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &exported_key_pkcs8)); 2209 2210 ASSERT_EQ(CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 2211 CryptoData(exported_key_pkcs8)); 2212 } 2213 2214 // Tests importing multiple RSA private keys from JWK, and then exporting to 2215 // PKCS8. 2216 // 2217 // This is a regression test for http://crbug.com/378315, for which importing 2218 // a sequence of keys from JWK could yield the wrong key. The first key would 2219 // be imported correctly, however every key after that would actually import 2220 // the first key. 2221 TEST_F(SharedCryptoTest, MAYBE(ImportMultipleRSAPrivateKeysJwk)) { 2222 if (!SupportsRsaKeyImport()) 2223 return; 2224 2225 scoped_ptr<base::ListValue> key_list; 2226 ASSERT_TRUE(ReadJsonTestFileToList("rsa_private_keys.json", &key_list)); 2227 2228 // For this test to be meaningful the keys MUST be kept alive before importing 2229 // new keys. 2230 std::vector<blink::WebCryptoKey> live_keys; 2231 2232 for (size_t key_index = 0; key_index < key_list->GetSize(); ++key_index) { 2233 SCOPED_TRACE(key_index); 2234 2235 base::DictionaryValue* key_values; 2236 ASSERT_TRUE(key_list->GetDictionary(key_index, &key_values)); 2237 2238 // Get the JWK representation of the key. 2239 base::DictionaryValue* key_jwk; 2240 ASSERT_TRUE(key_values->GetDictionary("jwk", &key_jwk)); 2241 2242 // Get the PKCS8 representation of the key. 2243 std::string pkcs8_hex_string; 2244 ASSERT_TRUE(key_values->GetString("pkcs8", &pkcs8_hex_string)); 2245 std::vector<uint8> pkcs8_bytes = HexStringToBytes(pkcs8_hex_string); 2246 2247 // Get the modulus length for the key. 2248 int modulus_length_bits = 0; 2249 ASSERT_TRUE(key_values->GetInteger("modulusLength", &modulus_length_bits)); 2250 2251 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2252 2253 // Import the key from JWK. 2254 ASSERT_EQ( 2255 Status::Success(), 2256 ImportKeyJwkFromDict(*key_jwk, 2257 CreateRsaHashedImportAlgorithm( 2258 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2259 blink::WebCryptoAlgorithmIdSha256), 2260 true, 2261 blink::WebCryptoKeyUsageSign, 2262 &private_key)); 2263 2264 live_keys.push_back(private_key); 2265 2266 EXPECT_EQ( 2267 modulus_length_bits, 2268 static_cast<int>( 2269 private_key.algorithm().rsaHashedParams()->modulusLengthBits())); 2270 2271 // Export to PKCS8 and verify that it matches expectation. 2272 std::vector<uint8> exported_key_pkcs8; 2273 ASSERT_EQ( 2274 Status::Success(), 2275 ExportKey( 2276 blink::WebCryptoKeyFormatPkcs8, private_key, &exported_key_pkcs8)); 2277 2278 EXPECT_BYTES_EQ(pkcs8_bytes, exported_key_pkcs8); 2279 } 2280 } 2281 2282 // Import an RSA private key using JWK. Next import a JWK containing the same 2283 // modulus, but mismatched parameters for the rest. It should NOT be possible 2284 // that the second import retrieves the first key. See http://crbug.com/378315 2285 // for how that could happen. 2286 TEST_F(SharedCryptoTest, MAYBE(ImportJwkExistingModulusAndInvalid)) { 2287 #if defined(USE_NSS) 2288 if (!NSS_VersionCheck("3.16.2")) { 2289 LOG(WARNING) << "Skipping test because lacks NSS support"; 2290 return; 2291 } 2292 #endif 2293 2294 scoped_ptr<base::ListValue> key_list; 2295 ASSERT_TRUE(ReadJsonTestFileToList("rsa_private_keys.json", &key_list)); 2296 2297 // Import a 1024-bit private key. 2298 base::DictionaryValue* key1_props; 2299 ASSERT_TRUE(key_list->GetDictionary(1, &key1_props)); 2300 base::DictionaryValue* key1_jwk; 2301 ASSERT_TRUE(key1_props->GetDictionary("jwk", &key1_jwk)); 2302 2303 blink::WebCryptoKey key1 = blink::WebCryptoKey::createNull(); 2304 ASSERT_EQ(Status::Success(), 2305 ImportKeyJwkFromDict(*key1_jwk, 2306 CreateRsaHashedImportAlgorithm( 2307 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2308 blink::WebCryptoAlgorithmIdSha256), 2309 true, 2310 blink::WebCryptoKeyUsageSign, 2311 &key1)); 2312 2313 ASSERT_EQ(1024u, key1.algorithm().rsaHashedParams()->modulusLengthBits()); 2314 2315 // Construct a JWK using the modulus of key1, but all the other fields from 2316 // another key (also a 1024-bit private key). 2317 base::DictionaryValue* key2_props; 2318 ASSERT_TRUE(key_list->GetDictionary(5, &key2_props)); 2319 base::DictionaryValue* key2_jwk; 2320 ASSERT_TRUE(key2_props->GetDictionary("jwk", &key2_jwk)); 2321 std::string modulus; 2322 key1_jwk->GetString("n", &modulus); 2323 key2_jwk->SetString("n", modulus); 2324 2325 // This should fail, as the n,e,d parameters are not consistent. It MUST NOT 2326 // somehow return the key created earlier. 2327 blink::WebCryptoKey key2 = blink::WebCryptoKey::createNull(); 2328 ASSERT_EQ(Status::OperationError(), 2329 ImportKeyJwkFromDict(*key2_jwk, 2330 CreateRsaHashedImportAlgorithm( 2331 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2332 blink::WebCryptoAlgorithmIdSha256), 2333 true, 2334 blink::WebCryptoKeyUsageSign, 2335 &key2)); 2336 } 2337 2338 // Import a JWK RSA private key with some optional parameters missing (q, dp, 2339 // dq, qi). 2340 // 2341 // The only optional parameter included is "p". 2342 // 2343 // This fails because JWA says that producers must include either ALL optional 2344 // parameters or NONE. 2345 TEST_F(SharedCryptoTest, MAYBE(ImportRsaPrivateKeyJwkMissingOptionalParams)) { 2346 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2347 2348 base::DictionaryValue dict; 2349 dict.SetString("kty", "RSA"); 2350 dict.SetString("alg", "RS1"); 2351 2352 dict.SetString( 2353 "n", 2354 "pW5KDnAQF1iaUYfcfqhB0Vby7A42rVKkTf6x5h962ZHYxRBW_-2xYrTA8oOhKoijlN_" 2355 "1JqtykcuzB86r_OCx39XNlQgJbVsri2311nHvY3fAkhyyPCcKcOJZjm_4nRnxBazC0_" 2356 "DLNfKSgOE4a29kxO8i4eHyDQzoz_siSb2aITc"); 2357 dict.SetString("e", "AQAB"); 2358 dict.SetString( 2359 "d", 2360 "M6UEKpCyfU9UUcqbu9C0R3GhAa-IQ0Cu-YhfKku-" 2361 "kuiUpySsPFaMj5eFOtB8AmbIxqPKCSnx6PESMYhEKfxNmuVf7olqEM5wfD7X5zTkRyejlXRQ" 2362 "GlMmgxCcKrrKuig8MbS9L1PD7jfjUs7jT55QO9gMBiKtecbc7og1R8ajsyU"); 2363 2364 dict.SetString("p", 2365 "5-" 2366 "iUJyCod1Fyc6NWBT6iobwMlKpy1VxuhilrLfyWeUjApyy8zKfqyzVwbgmh31W" 2367 "hU1vZs8w0Fgs7bc0-2o5kQw"); 2368 2369 ASSERT_EQ(Status::ErrorJwkIncompleteOptionalRsaPrivateKey(), 2370 ImportKeyJwkFromDict(dict, 2371 CreateRsaHashedImportAlgorithm( 2372 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2373 blink::WebCryptoAlgorithmIdSha1), 2374 true, 2375 blink::WebCryptoKeyUsageSign, 2376 &key)); 2377 } 2378 2379 // Import a JWK RSA private key, without any of the optional parameters. 2380 // 2381 // This is expected to work, however based on the current NSS implementation it 2382 // does not. 2383 // 2384 // TODO(eroman): http://crbug/com/374927 2385 TEST_F(SharedCryptoTest, MAYBE(ImportRsaPrivateKeyJwkIncorrectOptionalEmpty)) { 2386 if (!SupportsRsaKeyImport()) 2387 return; 2388 2389 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2390 2391 base::DictionaryValue dict; 2392 dict.SetString("kty", "RSA"); 2393 dict.SetString("alg", "RS1"); 2394 2395 dict.SetString( 2396 "n", 2397 "pW5KDnAQF1iaUYfcfqhB0Vby7A42rVKkTf6x5h962ZHYxRBW_-2xYrTA8oOhKoijlN_" 2398 "1JqtykcuzB86r_OCx39XNlQgJbVsri2311nHvY3fAkhyyPCcKcOJZjm_4nRnxBazC0_" 2399 "DLNfKSgOE4a29kxO8i4eHyDQzoz_siSb2aITc"); 2400 dict.SetString("e", "AQAB"); 2401 dict.SetString( 2402 "d", 2403 "M6UEKpCyfU9UUcqbu9C0R3GhAa-IQ0Cu-YhfKku-" 2404 "kuiUpySsPFaMj5eFOtB8AmbIxqPKCSnx6PESMYhEKfxNmuVf7olqEM5wfD7X5zTkRyejlXRQ" 2405 "GlMmgxCcKrrKuig8MbS9L1PD7jfjUs7jT55QO9gMBiKtecbc7og1R8ajsyU"); 2406 2407 // TODO(eroman): This should pass, see: http://crbug/com/374927 2408 // 2409 // Technically it is OK to fail since JWA says that consumer are not required 2410 // to support lack of the optional parameters. 2411 ASSERT_EQ(Status::OperationError(), 2412 ImportKeyJwkFromDict(dict, 2413 CreateRsaHashedImportAlgorithm( 2414 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2415 blink::WebCryptoAlgorithmIdSha1), 2416 true, 2417 blink::WebCryptoKeyUsageSign, 2418 &key)); 2419 2420 } 2421 2422 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyPairRsa)) { 2423 // Note: using unrealistic short key lengths here to avoid bogging down tests. 2424 2425 // Successful WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 key generation (sha256) 2426 const unsigned int modulus_length = 256; 2427 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); 2428 blink::WebCryptoAlgorithm algorithm = 2429 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2430 blink::WebCryptoAlgorithmIdSha256, 2431 modulus_length, 2432 public_exponent); 2433 bool extractable = true; 2434 const blink::WebCryptoKeyUsageMask usage_mask = 0; 2435 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 2436 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2437 2438 EXPECT_EQ(Status::Success(), 2439 GenerateKeyPair( 2440 algorithm, extractable, usage_mask, &public_key, &private_key)); 2441 EXPECT_FALSE(public_key.isNull()); 2442 EXPECT_FALSE(private_key.isNull()); 2443 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); 2444 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); 2445 EXPECT_EQ(modulus_length, 2446 public_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2447 EXPECT_EQ(modulus_length, 2448 private_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2449 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 2450 public_key.algorithm().rsaHashedParams()->hash().id()); 2451 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 2452 private_key.algorithm().rsaHashedParams()->hash().id()); 2453 EXPECT_TRUE(public_key.extractable()); 2454 EXPECT_EQ(extractable, private_key.extractable()); 2455 EXPECT_EQ(usage_mask, public_key.usages()); 2456 EXPECT_EQ(usage_mask, private_key.usages()); 2457 2458 // Try exporting the generated key pair, and then re-importing to verify that 2459 // the exported data was valid. 2460 std::vector<uint8> public_key_spki; 2461 EXPECT_EQ( 2462 Status::Success(), 2463 ExportKey(blink::WebCryptoKeyFormatSpki, public_key, &public_key_spki)); 2464 2465 if (SupportsRsaKeyImport()) { 2466 public_key = blink::WebCryptoKey::createNull(); 2467 EXPECT_EQ(Status::Success(), 2468 ImportKey(blink::WebCryptoKeyFormatSpki, 2469 CryptoData(public_key_spki), 2470 CreateRsaHashedImportAlgorithm( 2471 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2472 blink::WebCryptoAlgorithmIdSha256), 2473 true, 2474 usage_mask, 2475 &public_key)); 2476 EXPECT_EQ(modulus_length, 2477 public_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2478 2479 std::vector<uint8> private_key_pkcs8; 2480 EXPECT_EQ( 2481 Status::Success(), 2482 ExportKey( 2483 blink::WebCryptoKeyFormatPkcs8, private_key, &private_key_pkcs8)); 2484 private_key = blink::WebCryptoKey::createNull(); 2485 EXPECT_EQ(Status::Success(), 2486 ImportKey(blink::WebCryptoKeyFormatPkcs8, 2487 CryptoData(private_key_pkcs8), 2488 CreateRsaHashedImportAlgorithm( 2489 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2490 blink::WebCryptoAlgorithmIdSha256), 2491 true, 2492 usage_mask, 2493 &private_key)); 2494 EXPECT_EQ(modulus_length, 2495 private_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2496 } 2497 2498 // Fail with bad modulus. 2499 algorithm = 2500 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2501 blink::WebCryptoAlgorithmIdSha256, 2502 0, 2503 public_exponent); 2504 EXPECT_EQ(Status::ErrorGenerateRsaZeroModulus(), 2505 GenerateKeyPair( 2506 algorithm, extractable, usage_mask, &public_key, &private_key)); 2507 2508 // Fail with bad exponent: larger than unsigned long. 2509 unsigned int exponent_length = sizeof(unsigned long) + 1; // NOLINT 2510 const std::vector<uint8> long_exponent(exponent_length, 0x01); 2511 algorithm = 2512 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2513 blink::WebCryptoAlgorithmIdSha256, 2514 modulus_length, 2515 long_exponent); 2516 EXPECT_EQ(Status::ErrorGenerateKeyPublicExponent(), 2517 GenerateKeyPair( 2518 algorithm, extractable, usage_mask, &public_key, &private_key)); 2519 2520 // Fail with bad exponent: empty. 2521 const std::vector<uint8> empty_exponent; 2522 algorithm = 2523 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2524 blink::WebCryptoAlgorithmIdSha256, 2525 modulus_length, 2526 empty_exponent); 2527 EXPECT_EQ(Status::ErrorGenerateKeyPublicExponent(), 2528 GenerateKeyPair( 2529 algorithm, extractable, usage_mask, &public_key, &private_key)); 2530 2531 // Fail with bad exponent: all zeros. 2532 std::vector<uint8> exponent_with_leading_zeros(15, 0x00); 2533 algorithm = 2534 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2535 blink::WebCryptoAlgorithmIdSha256, 2536 modulus_length, 2537 exponent_with_leading_zeros); 2538 EXPECT_EQ(Status::ErrorGenerateKeyPublicExponent(), 2539 GenerateKeyPair( 2540 algorithm, extractable, usage_mask, &public_key, &private_key)); 2541 2542 // Key generation success using exponent with leading zeros. 2543 exponent_with_leading_zeros.insert(exponent_with_leading_zeros.end(), 2544 public_exponent.begin(), 2545 public_exponent.end()); 2546 algorithm = 2547 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2548 blink::WebCryptoAlgorithmIdSha256, 2549 modulus_length, 2550 exponent_with_leading_zeros); 2551 EXPECT_EQ(Status::Success(), 2552 GenerateKeyPair( 2553 algorithm, extractable, usage_mask, &public_key, &private_key)); 2554 EXPECT_FALSE(public_key.isNull()); 2555 EXPECT_FALSE(private_key.isNull()); 2556 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); 2557 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); 2558 EXPECT_TRUE(public_key.extractable()); 2559 EXPECT_EQ(extractable, private_key.extractable()); 2560 EXPECT_EQ(usage_mask, public_key.usages()); 2561 EXPECT_EQ(usage_mask, private_key.usages()); 2562 2563 // Successful WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 key generation (sha1) 2564 algorithm = 2565 CreateRsaHashedKeyGenAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2566 blink::WebCryptoAlgorithmIdSha1, 2567 modulus_length, 2568 public_exponent); 2569 EXPECT_EQ( 2570 Status::Success(), 2571 GenerateKeyPair(algorithm, false, usage_mask, &public_key, &private_key)); 2572 EXPECT_FALSE(public_key.isNull()); 2573 EXPECT_FALSE(private_key.isNull()); 2574 EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type()); 2575 EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type()); 2576 EXPECT_EQ(modulus_length, 2577 public_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2578 EXPECT_EQ(modulus_length, 2579 private_key.algorithm().rsaHashedParams()->modulusLengthBits()); 2580 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 2581 public_key.algorithm().rsaHashedParams()->hash().id()); 2582 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 2583 private_key.algorithm().rsaHashedParams()->hash().id()); 2584 // Even though "extractable" was set to false, the public key remains 2585 // extractable. 2586 EXPECT_TRUE(public_key.extractable()); 2587 EXPECT_FALSE(private_key.extractable()); 2588 EXPECT_EQ(usage_mask, public_key.usages()); 2589 EXPECT_EQ(usage_mask, private_key.usages()); 2590 2591 // Exporting a private key as SPKI format doesn't make sense. However this 2592 // will first fail because the key is not extractable. 2593 std::vector<uint8> output; 2594 EXPECT_EQ(Status::ErrorKeyNotExtractable(), 2595 ExportKey(blink::WebCryptoKeyFormatSpki, private_key, &output)); 2596 2597 // Re-generate an extractable private_key and try to export it as SPKI format. 2598 // This should fail since spki is for public keys. 2599 EXPECT_EQ( 2600 Status::Success(), 2601 GenerateKeyPair(algorithm, true, usage_mask, &public_key, &private_key)); 2602 EXPECT_EQ(Status::ErrorUnexpectedKeyType(), 2603 ExportKey(blink::WebCryptoKeyFormatSpki, private_key, &output)); 2604 } 2605 2606 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyPairRsaBadModulusLength)) { 2607 const unsigned int kBadModulus[] = { 2608 0, 2609 255, // Not a multiple of 8. 2610 1023, // Not a multiple of 8. 2611 0xFFFFFFFF, // Cannot fit in a signed int. 2612 16384 + 8, // 16384 is the maxmimum length that NSS succeeds for. 2613 }; 2614 2615 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); 2616 2617 for (size_t i = 0; i < arraysize(kBadModulus); ++i) { 2618 const unsigned int modulus_length = kBadModulus[i]; 2619 blink::WebCryptoAlgorithm algorithm = CreateRsaHashedKeyGenAlgorithm( 2620 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2621 blink::WebCryptoAlgorithmIdSha256, 2622 modulus_length, 2623 public_exponent); 2624 bool extractable = true; 2625 const blink::WebCryptoKeyUsageMask usage_mask = 0; 2626 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 2627 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2628 2629 EXPECT_FALSE( 2630 GenerateKeyPair( 2631 algorithm, extractable, usage_mask, &public_key, &private_key) 2632 .IsSuccess()); 2633 } 2634 } 2635 2636 // Try generating RSA key pairs using unsupported public exponents. Only 2637 // exponents of 3 and 65537 are supported. While both OpenSSL and NSS can 2638 // support other values, OpenSSL hangs when given invalid exponents, so use a 2639 // whitelist to validate the parameters. 2640 TEST_F(SharedCryptoTest, MAYBE(GenerateKeyPairRsaBadExponent)) { 2641 const unsigned int modulus_length = 1024; 2642 2643 const char* const kPublicExponents[] = { 2644 "11", // 17 - This is a valid public exponent, but currently disallowed. 2645 "00", 2646 "01", 2647 "02", 2648 "010000", // 65536 2649 }; 2650 2651 for (size_t i = 0; i < arraysize(kPublicExponents); ++i) { 2652 SCOPED_TRACE(i); 2653 blink::WebCryptoAlgorithm algorithm = CreateRsaHashedKeyGenAlgorithm( 2654 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2655 blink::WebCryptoAlgorithmIdSha256, 2656 modulus_length, 2657 HexStringToBytes(kPublicExponents[i])); 2658 2659 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 2660 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2661 2662 EXPECT_EQ(Status::ErrorGenerateKeyPublicExponent(), 2663 GenerateKeyPair( 2664 algorithm, true, 0, &public_key, &private_key)); 2665 } 2666 } 2667 2668 TEST_F(SharedCryptoTest, MAYBE(RsaSsaSignVerifyFailures)) { 2669 if (!SupportsRsaKeyImport()) 2670 return; 2671 2672 // Import a key pair. 2673 blink::WebCryptoAlgorithm import_algorithm = 2674 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2675 blink::WebCryptoAlgorithmIdSha1); 2676 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 2677 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2678 ASSERT_NO_FATAL_FAILURE( 2679 ImportRsaKeyPair(HexStringToBytes(kPublicKeySpkiDerHex), 2680 HexStringToBytes(kPrivateKeyPkcs8DerHex), 2681 import_algorithm, 2682 false, 2683 blink::WebCryptoKeyUsageVerify, 2684 blink::WebCryptoKeyUsageSign, 2685 &public_key, 2686 &private_key)); 2687 2688 blink::WebCryptoAlgorithm algorithm = 2689 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5); 2690 2691 std::vector<uint8> signature; 2692 bool signature_match; 2693 2694 // Compute a signature. 2695 const std::vector<uint8> data = HexStringToBytes("010203040506070809"); 2696 ASSERT_EQ(Status::Success(), 2697 Sign(algorithm, private_key, CryptoData(data), &signature)); 2698 2699 // Ensure truncated signature does not verify by passing one less byte. 2700 EXPECT_EQ(Status::Success(), 2701 VerifySignature( 2702 algorithm, 2703 public_key, 2704 CryptoData(Uint8VectorStart(signature), signature.size() - 1), 2705 CryptoData(data), 2706 &signature_match)); 2707 EXPECT_FALSE(signature_match); 2708 2709 // Ensure truncated signature does not verify by passing no bytes. 2710 EXPECT_EQ(Status::Success(), 2711 VerifySignature(algorithm, 2712 public_key, 2713 CryptoData(), 2714 CryptoData(data), 2715 &signature_match)); 2716 EXPECT_FALSE(signature_match); 2717 2718 // Ensure corrupted signature does not verify. 2719 std::vector<uint8> corrupt_sig = signature; 2720 corrupt_sig[corrupt_sig.size() / 2] ^= 0x1; 2721 EXPECT_EQ(Status::Success(), 2722 VerifySignature(algorithm, 2723 public_key, 2724 CryptoData(corrupt_sig), 2725 CryptoData(data), 2726 &signature_match)); 2727 EXPECT_FALSE(signature_match); 2728 2729 // Ensure signatures that are greater than the modulus size fail. 2730 const unsigned int long_message_size_bytes = 1024; 2731 DCHECK_GT(long_message_size_bytes, kModulusLengthBits / 8); 2732 const unsigned char kLongSignature[long_message_size_bytes] = {0}; 2733 EXPECT_EQ(Status::Success(), 2734 VerifySignature(algorithm, 2735 public_key, 2736 CryptoData(kLongSignature, sizeof(kLongSignature)), 2737 CryptoData(data), 2738 &signature_match)); 2739 EXPECT_FALSE(signature_match); 2740 2741 // Ensure that signing and verifying with an incompatible algorithm fails. 2742 algorithm = CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep); 2743 2744 EXPECT_EQ(Status::ErrorUnexpected(), 2745 Sign(algorithm, private_key, CryptoData(data), &signature)); 2746 EXPECT_EQ(Status::ErrorUnexpected(), 2747 VerifySignature(algorithm, 2748 public_key, 2749 CryptoData(signature), 2750 CryptoData(data), 2751 &signature_match)); 2752 2753 // Some crypto libraries (NSS) can automatically select the RSA SSA inner hash 2754 // based solely on the contents of the input signature data. In the Web Crypto 2755 // implementation, the inner hash should be specified uniquely by the key 2756 // algorithm parameter. To validate this behavior, call Verify with a computed 2757 // signature that used one hash type (SHA-1), but pass in a key with a 2758 // different inner hash type (SHA-256). If the hash type is determined by the 2759 // signature itself (undesired), the verify will pass, while if the hash type 2760 // is specified by the key algorithm (desired), the verify will fail. 2761 2762 // Compute a signature using SHA-1 as the inner hash. 2763 EXPECT_EQ(Status::Success(), 2764 Sign(CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), 2765 private_key, 2766 CryptoData(data), 2767 &signature)); 2768 2769 blink::WebCryptoKey public_key_256 = blink::WebCryptoKey::createNull(); 2770 EXPECT_EQ(Status::Success(), 2771 ImportKey(blink::WebCryptoKeyFormatSpki, 2772 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 2773 CreateRsaHashedImportAlgorithm( 2774 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2775 blink::WebCryptoAlgorithmIdSha256), 2776 true, 2777 blink::WebCryptoKeyUsageVerify, 2778 &public_key_256)); 2779 2780 // Now verify using an algorithm whose inner hash is SHA-256, not SHA-1. The 2781 // signature should not verify. 2782 // NOTE: public_key was produced by generateKey, and so its associated 2783 // algorithm has WebCryptoRsaKeyGenParams and not WebCryptoRsaSsaParams. Thus 2784 // it has no inner hash to conflict with the input algorithm. 2785 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha1, 2786 private_key.algorithm().rsaHashedParams()->hash().id()); 2787 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 2788 public_key_256.algorithm().rsaHashedParams()->hash().id()); 2789 2790 bool is_match; 2791 EXPECT_EQ(Status::Success(), 2792 VerifySignature( 2793 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5), 2794 public_key_256, 2795 CryptoData(signature), 2796 CryptoData(data), 2797 &is_match)); 2798 EXPECT_FALSE(is_match); 2799 } 2800 2801 TEST_F(SharedCryptoTest, MAYBE(RsaSignVerifyKnownAnswer)) { 2802 if (!SupportsRsaKeyImport()) 2803 return; 2804 2805 scoped_ptr<base::ListValue> tests; 2806 ASSERT_TRUE(ReadJsonTestFileToList("pkcs1v15_sign.json", &tests)); 2807 2808 // Import the key pair. 2809 blink::WebCryptoAlgorithm import_algorithm = 2810 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 2811 blink::WebCryptoAlgorithmIdSha1); 2812 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 2813 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 2814 ASSERT_NO_FATAL_FAILURE( 2815 ImportRsaKeyPair(HexStringToBytes(kPublicKeySpkiDerHex), 2816 HexStringToBytes(kPrivateKeyPkcs8DerHex), 2817 import_algorithm, 2818 false, 2819 blink::WebCryptoKeyUsageVerify, 2820 blink::WebCryptoKeyUsageSign, 2821 &public_key, 2822 &private_key)); 2823 2824 blink::WebCryptoAlgorithm algorithm = 2825 CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5); 2826 2827 // Validate the signatures are computed and verified as expected. 2828 std::vector<uint8> signature; 2829 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 2830 SCOPED_TRACE(test_index); 2831 2832 base::DictionaryValue* test; 2833 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 2834 2835 std::vector<uint8> test_message = 2836 GetBytesFromHexString(test, "message_hex"); 2837 std::vector<uint8> test_signature = 2838 GetBytesFromHexString(test, "signature_hex"); 2839 2840 signature.clear(); 2841 ASSERT_EQ( 2842 Status::Success(), 2843 Sign(algorithm, private_key, CryptoData(test_message), &signature)); 2844 EXPECT_BYTES_EQ(test_signature, signature); 2845 2846 bool is_match = false; 2847 ASSERT_EQ(Status::Success(), 2848 VerifySignature(algorithm, 2849 public_key, 2850 CryptoData(test_signature), 2851 CryptoData(test_message), 2852 &is_match)); 2853 EXPECT_TRUE(is_match); 2854 } 2855 } 2856 2857 TEST_F(SharedCryptoTest, MAYBE(AesKwKeyImport)) { 2858 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 2859 blink::WebCryptoAlgorithm algorithm = 2860 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 2861 2862 // Import a 128-bit Key Encryption Key (KEK) 2863 std::string key_raw_hex_in = "025a8cf3f08b4f6c5f33bbc76a471939"; 2864 ASSERT_EQ(Status::Success(), 2865 ImportKey(blink::WebCryptoKeyFormatRaw, 2866 CryptoData(HexStringToBytes(key_raw_hex_in)), 2867 algorithm, 2868 true, 2869 blink::WebCryptoKeyUsageWrapKey, 2870 &key)); 2871 std::vector<uint8> key_raw_out; 2872 EXPECT_EQ(Status::Success(), 2873 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); 2874 EXPECT_BYTES_EQ_HEX(key_raw_hex_in, key_raw_out); 2875 2876 // Import a 192-bit KEK 2877 key_raw_hex_in = "c0192c6466b2370decbb62b2cfef4384544ffeb4d2fbc103"; 2878 ASSERT_EQ(Status::ErrorAes192BitUnsupported(), 2879 ImportKey(blink::WebCryptoKeyFormatRaw, 2880 CryptoData(HexStringToBytes(key_raw_hex_in)), 2881 algorithm, 2882 true, 2883 blink::WebCryptoKeyUsageWrapKey, 2884 &key)); 2885 2886 // Import a 256-bit Key Encryption Key (KEK) 2887 key_raw_hex_in = 2888 "e11fe66380d90fa9ebefb74e0478e78f95664d0c67ca20ce4a0b5842863ac46f"; 2889 ASSERT_EQ(Status::Success(), 2890 ImportKey(blink::WebCryptoKeyFormatRaw, 2891 CryptoData(HexStringToBytes(key_raw_hex_in)), 2892 algorithm, 2893 true, 2894 blink::WebCryptoKeyUsageWrapKey, 2895 &key)); 2896 EXPECT_EQ(Status::Success(), 2897 ExportKey(blink::WebCryptoKeyFormatRaw, key, &key_raw_out)); 2898 EXPECT_BYTES_EQ_HEX(key_raw_hex_in, key_raw_out); 2899 2900 // Fail import of 0 length key 2901 EXPECT_EQ(Status::ErrorImportAesKeyLength(), 2902 ImportKey(blink::WebCryptoKeyFormatRaw, 2903 CryptoData(HexStringToBytes("")), 2904 algorithm, 2905 true, 2906 blink::WebCryptoKeyUsageWrapKey, 2907 &key)); 2908 2909 // Fail import of 124-bit KEK 2910 key_raw_hex_in = "3e4566a2bdaa10cb68134fa66c15ddb"; 2911 EXPECT_EQ(Status::ErrorImportAesKeyLength(), 2912 ImportKey(blink::WebCryptoKeyFormatRaw, 2913 CryptoData(HexStringToBytes(key_raw_hex_in)), 2914 algorithm, 2915 true, 2916 blink::WebCryptoKeyUsageWrapKey, 2917 &key)); 2918 2919 // Fail import of 200-bit KEK 2920 key_raw_hex_in = "0a1d88608a5ad9fec64f1ada269ebab4baa2feeb8d95638c0e"; 2921 EXPECT_EQ(Status::ErrorImportAesKeyLength(), 2922 ImportKey(blink::WebCryptoKeyFormatRaw, 2923 CryptoData(HexStringToBytes(key_raw_hex_in)), 2924 algorithm, 2925 true, 2926 blink::WebCryptoKeyUsageWrapKey, 2927 &key)); 2928 2929 // Fail import of 260-bit KEK 2930 key_raw_hex_in = 2931 "72d4e475ff34215416c9ad9c8281247a4d730c5f275ac23f376e73e3bce8d7d5a"; 2932 EXPECT_EQ(Status::ErrorImportAesKeyLength(), 2933 ImportKey(blink::WebCryptoKeyFormatRaw, 2934 CryptoData(HexStringToBytes(key_raw_hex_in)), 2935 algorithm, 2936 true, 2937 blink::WebCryptoKeyUsageWrapKey, 2938 &key)); 2939 } 2940 2941 TEST_F(SharedCryptoTest, MAYBE(UnwrapFailures)) { 2942 // This test exercises the code path common to all unwrap operations. 2943 scoped_ptr<base::ListValue> tests; 2944 ASSERT_TRUE(ReadJsonTestFileToList("aes_kw.json", &tests)); 2945 base::DictionaryValue* test; 2946 ASSERT_TRUE(tests->GetDictionary(0, &test)); 2947 const std::vector<uint8> test_kek = GetBytesFromHexString(test, "kek"); 2948 const std::vector<uint8> test_ciphertext = 2949 GetBytesFromHexString(test, "ciphertext"); 2950 2951 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 2952 2953 // Using a wrapping algorithm that does not match the wrapping key algorithm 2954 // should fail. 2955 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 2956 test_kek, 2957 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw), 2958 blink::WebCryptoKeyUsageUnwrapKey); 2959 EXPECT_EQ( 2960 Status::ErrorUnexpected(), 2961 UnwrapKey(blink::WebCryptoKeyFormatRaw, 2962 CryptoData(test_ciphertext), 2963 wrapping_key, 2964 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 2965 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 2966 true, 2967 blink::WebCryptoKeyUsageEncrypt, 2968 &unwrapped_key)); 2969 } 2970 2971 TEST_F(SharedCryptoTest, MAYBE(AesKwRawSymkeyWrapUnwrapKnownAnswer)) { 2972 scoped_ptr<base::ListValue> tests; 2973 ASSERT_TRUE(ReadJsonTestFileToList("aes_kw.json", &tests)); 2974 2975 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 2976 SCOPED_TRACE(test_index); 2977 base::DictionaryValue* test; 2978 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 2979 const std::vector<uint8> test_kek = GetBytesFromHexString(test, "kek"); 2980 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 2981 const std::vector<uint8> test_ciphertext = 2982 GetBytesFromHexString(test, "ciphertext"); 2983 const blink::WebCryptoAlgorithm wrapping_algorithm = 2984 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 2985 2986 // Import the wrapping key. 2987 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 2988 test_kek, 2989 wrapping_algorithm, 2990 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey); 2991 2992 // Import the key to be wrapped. 2993 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 2994 test_key, 2995 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1), 2996 blink::WebCryptoKeyUsageSign); 2997 2998 // Wrap the key and verify the ciphertext result against the known answer. 2999 std::vector<uint8> wrapped_key; 3000 ASSERT_EQ(Status::Success(), 3001 WrapKey(blink::WebCryptoKeyFormatRaw, 3002 key, 3003 wrapping_key, 3004 wrapping_algorithm, 3005 &wrapped_key)); 3006 EXPECT_BYTES_EQ(test_ciphertext, wrapped_key); 3007 3008 // Unwrap the known ciphertext to get a new test_key. 3009 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3010 ASSERT_EQ( 3011 Status::Success(), 3012 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3013 CryptoData(test_ciphertext), 3014 wrapping_key, 3015 wrapping_algorithm, 3016 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1), 3017 true, 3018 blink::WebCryptoKeyUsageSign, 3019 &unwrapped_key)); 3020 EXPECT_FALSE(key.isNull()); 3021 EXPECT_TRUE(key.handle()); 3022 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 3023 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 3024 EXPECT_EQ(true, key.extractable()); 3025 EXPECT_EQ(blink::WebCryptoKeyUsageSign, key.usages()); 3026 3027 // Export the new key and compare its raw bytes with the original known key. 3028 std::vector<uint8> raw_key; 3029 EXPECT_EQ(Status::Success(), 3030 ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key)); 3031 EXPECT_BYTES_EQ(test_key, raw_key); 3032 } 3033 } 3034 3035 // Unwrap a HMAC key using AES-KW, and then try doing a sign/verify with the 3036 // unwrapped key 3037 TEST_F(SharedCryptoTest, MAYBE(AesKwRawSymkeyUnwrapSignVerifyHmac)) { 3038 scoped_ptr<base::ListValue> tests; 3039 ASSERT_TRUE(ReadJsonTestFileToList("aes_kw.json", &tests)); 3040 3041 base::DictionaryValue* test; 3042 ASSERT_TRUE(tests->GetDictionary(0, &test)); 3043 const std::vector<uint8> test_kek = GetBytesFromHexString(test, "kek"); 3044 const std::vector<uint8> test_ciphertext = 3045 GetBytesFromHexString(test, "ciphertext"); 3046 const blink::WebCryptoAlgorithm wrapping_algorithm = 3047 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 3048 3049 // Import the wrapping key. 3050 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 3051 test_kek, wrapping_algorithm, blink::WebCryptoKeyUsageUnwrapKey); 3052 3053 // Unwrap the known ciphertext. 3054 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 3055 ASSERT_EQ( 3056 Status::Success(), 3057 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3058 CryptoData(test_ciphertext), 3059 wrapping_key, 3060 wrapping_algorithm, 3061 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha1), 3062 false, 3063 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 3064 &key)); 3065 3066 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, key.type()); 3067 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, key.algorithm().id()); 3068 EXPECT_FALSE(key.extractable()); 3069 EXPECT_EQ(blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 3070 key.usages()); 3071 3072 // Sign an empty message and ensure it is verified. 3073 std::vector<uint8> test_message; 3074 std::vector<uint8> signature; 3075 3076 ASSERT_EQ(Status::Success(), 3077 Sign(CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac), 3078 key, 3079 CryptoData(test_message), 3080 &signature)); 3081 3082 EXPECT_GT(signature.size(), 0u); 3083 3084 bool verify_result; 3085 ASSERT_EQ(Status::Success(), 3086 VerifySignature(CreateAlgorithm(blink::WebCryptoAlgorithmIdHmac), 3087 key, 3088 CryptoData(signature), 3089 CryptoData(test_message), 3090 &verify_result)); 3091 } 3092 3093 TEST_F(SharedCryptoTest, MAYBE(AesKwRawSymkeyWrapUnwrapErrors)) { 3094 scoped_ptr<base::ListValue> tests; 3095 ASSERT_TRUE(ReadJsonTestFileToList("aes_kw.json", &tests)); 3096 base::DictionaryValue* test; 3097 // Use 256 bits of data with a 256-bit KEK 3098 ASSERT_TRUE(tests->GetDictionary(3, &test)); 3099 const std::vector<uint8> test_kek = GetBytesFromHexString(test, "kek"); 3100 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 3101 const std::vector<uint8> test_ciphertext = 3102 GetBytesFromHexString(test, "ciphertext"); 3103 const blink::WebCryptoAlgorithm wrapping_algorithm = 3104 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 3105 const blink::WebCryptoAlgorithm key_algorithm = 3106 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 3107 // Import the wrapping key. 3108 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 3109 test_kek, 3110 wrapping_algorithm, 3111 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey); 3112 // Import the key to be wrapped. 3113 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 3114 test_key, 3115 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 3116 blink::WebCryptoKeyUsageEncrypt); 3117 3118 // Unwrap with wrapped data too small must fail. 3119 const std::vector<uint8> small_data(test_ciphertext.begin(), 3120 test_ciphertext.begin() + 23); 3121 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3122 EXPECT_EQ(Status::ErrorDataTooSmall(), 3123 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3124 CryptoData(small_data), 3125 wrapping_key, 3126 wrapping_algorithm, 3127 key_algorithm, 3128 true, 3129 blink::WebCryptoKeyUsageEncrypt, 3130 &unwrapped_key)); 3131 3132 // Unwrap with wrapped data size not a multiple of 8 bytes must fail. 3133 const std::vector<uint8> unaligned_data(test_ciphertext.begin(), 3134 test_ciphertext.end() - 2); 3135 EXPECT_EQ(Status::ErrorInvalidAesKwDataLength(), 3136 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3137 CryptoData(unaligned_data), 3138 wrapping_key, 3139 wrapping_algorithm, 3140 key_algorithm, 3141 true, 3142 blink::WebCryptoKeyUsageEncrypt, 3143 &unwrapped_key)); 3144 } 3145 3146 TEST_F(SharedCryptoTest, MAYBE(AesKwRawSymkeyUnwrapCorruptData)) { 3147 scoped_ptr<base::ListValue> tests; 3148 ASSERT_TRUE(ReadJsonTestFileToList("aes_kw.json", &tests)); 3149 base::DictionaryValue* test; 3150 // Use 256 bits of data with a 256-bit KEK 3151 ASSERT_TRUE(tests->GetDictionary(3, &test)); 3152 const std::vector<uint8> test_kek = GetBytesFromHexString(test, "kek"); 3153 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 3154 const std::vector<uint8> test_ciphertext = 3155 GetBytesFromHexString(test, "ciphertext"); 3156 const blink::WebCryptoAlgorithm wrapping_algorithm = 3157 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 3158 3159 // Import the wrapping key. 3160 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 3161 test_kek, 3162 wrapping_algorithm, 3163 blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey); 3164 3165 // Unwrap of a corrupted version of the known ciphertext should fail, due to 3166 // AES-KW's built-in integrity check. 3167 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3168 EXPECT_EQ( 3169 Status::OperationError(), 3170 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3171 CryptoData(Corrupted(test_ciphertext)), 3172 wrapping_key, 3173 wrapping_algorithm, 3174 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 3175 true, 3176 blink::WebCryptoKeyUsageEncrypt, 3177 &unwrapped_key)); 3178 } 3179 3180 TEST_F(SharedCryptoTest, MAYBE(AesKwJwkSymkeyUnwrapKnownData)) { 3181 // The following data lists a known HMAC SHA-256 key, then a JWK 3182 // representation of this key which was encrypted ("wrapped") using AES-KW and 3183 // the following wrapping key. 3184 // For reference, the intermediate clear JWK is 3185 // {"alg":"HS256","ext":true,"k":<b64urlKey>,"key_ops":["verify"],"kty":"oct"} 3186 // (Not shown is space padding to ensure the cleartext meets the size 3187 // requirements of the AES-KW algorithm.) 3188 const std::vector<uint8> key_data = HexStringToBytes( 3189 "000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F"); 3190 const std::vector<uint8> wrapped_key_data = HexStringToBytes( 3191 "14E6380B35FDC5B72E1994764B6CB7BFDD64E7832894356AAEE6C3768FC3D0F115E6B0" 3192 "6729756225F999AA99FDF81FD6A359F1576D3D23DE6CB69C3937054EB497AC1E8C38D5" 3193 "5E01B9783A20C8D930020932CF25926103002213D0FC37279888154FEBCEDF31832158" 3194 "97938C5CFE5B10B4254D0C399F39D0"); 3195 const std::vector<uint8> wrapping_key_data = 3196 HexStringToBytes("000102030405060708090A0B0C0D0E0F"); 3197 const blink::WebCryptoAlgorithm wrapping_algorithm = 3198 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 3199 3200 // Import the wrapping key. 3201 blink::WebCryptoKey wrapping_key = ImportSecretKeyFromRaw( 3202 wrapping_key_data, wrapping_algorithm, blink::WebCryptoKeyUsageUnwrapKey); 3203 3204 // Unwrap the known wrapped key data to produce a new key 3205 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3206 ASSERT_EQ( 3207 Status::Success(), 3208 UnwrapKey(blink::WebCryptoKeyFormatJwk, 3209 CryptoData(wrapped_key_data), 3210 wrapping_key, 3211 wrapping_algorithm, 3212 CreateHmacImportAlgorithm(blink::WebCryptoAlgorithmIdSha256), 3213 true, 3214 blink::WebCryptoKeyUsageVerify, 3215 &unwrapped_key)); 3216 3217 // Validate the new key's attributes. 3218 EXPECT_FALSE(unwrapped_key.isNull()); 3219 EXPECT_TRUE(unwrapped_key.handle()); 3220 EXPECT_EQ(blink::WebCryptoKeyTypeSecret, unwrapped_key.type()); 3221 EXPECT_EQ(blink::WebCryptoAlgorithmIdHmac, unwrapped_key.algorithm().id()); 3222 EXPECT_EQ(blink::WebCryptoAlgorithmIdSha256, 3223 unwrapped_key.algorithm().hmacParams()->hash().id()); 3224 EXPECT_EQ(256u, unwrapped_key.algorithm().hmacParams()->lengthBits()); 3225 EXPECT_EQ(true, unwrapped_key.extractable()); 3226 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, unwrapped_key.usages()); 3227 3228 // Export the new key's raw data and compare to the known original. 3229 std::vector<uint8> raw_key; 3230 EXPECT_EQ(Status::Success(), 3231 ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key)); 3232 EXPECT_BYTES_EQ(key_data, raw_key); 3233 } 3234 3235 // TODO(eroman): 3236 // * Test decryption when the tag length exceeds input size 3237 // * Test decryption with empty input 3238 // * Test decryption with tag length of 0. 3239 TEST_F(SharedCryptoTest, MAYBE(AesGcmSampleSets)) { 3240 // Some Linux test runners may not have a new enough version of NSS. 3241 if (!SupportsAesGcm()) { 3242 LOG(WARNING) << "AES GCM not supported, skipping tests"; 3243 return; 3244 } 3245 3246 scoped_ptr<base::ListValue> tests; 3247 ASSERT_TRUE(ReadJsonTestFileToList("aes_gcm.json", &tests)); 3248 3249 // Note that WebCrypto appends the authentication tag to the ciphertext. 3250 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 3251 SCOPED_TRACE(test_index); 3252 base::DictionaryValue* test; 3253 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 3254 3255 const std::vector<uint8> test_key = GetBytesFromHexString(test, "key"); 3256 const std::vector<uint8> test_iv = GetBytesFromHexString(test, "iv"); 3257 const std::vector<uint8> test_additional_data = 3258 GetBytesFromHexString(test, "additional_data"); 3259 const std::vector<uint8> test_plain_text = 3260 GetBytesFromHexString(test, "plain_text"); 3261 const std::vector<uint8> test_authentication_tag = 3262 GetBytesFromHexString(test, "authentication_tag"); 3263 const unsigned int test_tag_size_bits = test_authentication_tag.size() * 8; 3264 const std::vector<uint8> test_cipher_text = 3265 GetBytesFromHexString(test, "cipher_text"); 3266 3267 blink::WebCryptoKey key = ImportSecretKeyFromRaw( 3268 test_key, 3269 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm), 3270 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt); 3271 3272 // Verify exported raw key is identical to the imported data 3273 std::vector<uint8> raw_key; 3274 EXPECT_EQ(Status::Success(), 3275 ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key)); 3276 3277 EXPECT_BYTES_EQ(test_key, raw_key); 3278 3279 // Test encryption. 3280 std::vector<uint8> cipher_text; 3281 std::vector<uint8> authentication_tag; 3282 EXPECT_EQ(Status::Success(), 3283 AesGcmEncrypt(key, 3284 test_iv, 3285 test_additional_data, 3286 test_tag_size_bits, 3287 test_plain_text, 3288 &cipher_text, 3289 &authentication_tag)); 3290 3291 EXPECT_BYTES_EQ(test_cipher_text, cipher_text); 3292 EXPECT_BYTES_EQ(test_authentication_tag, authentication_tag); 3293 3294 // Test decryption. 3295 std::vector<uint8> plain_text; 3296 EXPECT_EQ(Status::Success(), 3297 AesGcmDecrypt(key, 3298 test_iv, 3299 test_additional_data, 3300 test_tag_size_bits, 3301 test_cipher_text, 3302 test_authentication_tag, 3303 &plain_text)); 3304 EXPECT_BYTES_EQ(test_plain_text, plain_text); 3305 3306 // Decryption should fail if any of the inputs are tampered with. 3307 EXPECT_EQ(Status::OperationError(), 3308 AesGcmDecrypt(key, 3309 Corrupted(test_iv), 3310 test_additional_data, 3311 test_tag_size_bits, 3312 test_cipher_text, 3313 test_authentication_tag, 3314 &plain_text)); 3315 EXPECT_EQ(Status::OperationError(), 3316 AesGcmDecrypt(key, 3317 test_iv, 3318 Corrupted(test_additional_data), 3319 test_tag_size_bits, 3320 test_cipher_text, 3321 test_authentication_tag, 3322 &plain_text)); 3323 EXPECT_EQ(Status::OperationError(), 3324 AesGcmDecrypt(key, 3325 test_iv, 3326 test_additional_data, 3327 test_tag_size_bits, 3328 Corrupted(test_cipher_text), 3329 test_authentication_tag, 3330 &plain_text)); 3331 EXPECT_EQ(Status::OperationError(), 3332 AesGcmDecrypt(key, 3333 test_iv, 3334 test_additional_data, 3335 test_tag_size_bits, 3336 test_cipher_text, 3337 Corrupted(test_authentication_tag), 3338 &plain_text)); 3339 3340 // Try different incorrect tag lengths 3341 uint8 kAlternateTagLengths[] = {0, 8, 96, 120, 128, 160, 255}; 3342 for (size_t tag_i = 0; tag_i < arraysize(kAlternateTagLengths); ++tag_i) { 3343 unsigned int wrong_tag_size_bits = kAlternateTagLengths[tag_i]; 3344 if (test_tag_size_bits == wrong_tag_size_bits) 3345 continue; 3346 EXPECT_NE(Status::Success(), 3347 AesGcmDecrypt(key, 3348 test_iv, 3349 test_additional_data, 3350 wrong_tag_size_bits, 3351 test_cipher_text, 3352 test_authentication_tag, 3353 &plain_text)); 3354 } 3355 } 3356 } 3357 3358 // AES 192-bit is not allowed: http://crbug.com/381829 3359 TEST_F(SharedCryptoTest, MAYBE(ImportAesCbc192Raw)) { 3360 std::vector<uint8> key_raw(24, 0); 3361 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 3362 Status status = ImportKey(blink::WebCryptoKeyFormatRaw, 3363 CryptoData(key_raw), 3364 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 3365 true, 3366 blink::WebCryptoKeyUsageEncrypt, 3367 &key); 3368 ASSERT_EQ(Status::ErrorAes192BitUnsupported(), status); 3369 } 3370 3371 // AES 192-bit is not allowed: http://crbug.com/381829 3372 TEST_F(SharedCryptoTest, MAYBE(ImportAesCbc192Jwk)) { 3373 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 3374 3375 base::DictionaryValue dict; 3376 dict.SetString("kty", "oct"); 3377 dict.SetString("alg", "A192CBC"); 3378 dict.SetString("k", "YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh"); 3379 3380 EXPECT_EQ( 3381 Status::ErrorAes192BitUnsupported(), 3382 ImportKeyJwkFromDict(dict, 3383 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 3384 false, 3385 blink::WebCryptoKeyUsageEncrypt, 3386 &key)); 3387 } 3388 3389 // AES 192-bit is not allowed: http://crbug.com/381829 3390 TEST_F(SharedCryptoTest, MAYBE(GenerateAesCbc192)) { 3391 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 3392 Status status = GenerateSecretKey(CreateAesCbcKeyGenAlgorithm(192), 3393 true, 3394 blink::WebCryptoKeyUsageEncrypt, 3395 &key); 3396 ASSERT_EQ(Status::ErrorAes192BitUnsupported(), status); 3397 } 3398 3399 // AES 192-bit is not allowed: http://crbug.com/381829 3400 TEST_F(SharedCryptoTest, MAYBE(UnwrapAesCbc192)) { 3401 std::vector<uint8> wrapping_key_data(16, 0); 3402 std::vector<uint8> wrapped_key = HexStringToBytes( 3403 "1A07ACAB6C906E50883173C29441DB1DE91D34F45C435B5F99C822867FB3956F"); 3404 3405 blink::WebCryptoKey wrapping_key = 3406 ImportSecretKeyFromRaw(wrapping_key_data, 3407 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw), 3408 blink::WebCryptoKeyUsageUnwrapKey); 3409 3410 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3411 ASSERT_EQ(Status::ErrorAes192BitUnsupported(), 3412 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3413 CryptoData(wrapped_key), 3414 wrapping_key, 3415 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw), 3416 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc), 3417 true, 3418 blink::WebCryptoKeyUsageEncrypt, 3419 &unwrapped_key)); 3420 } 3421 3422 class SharedCryptoRsaOaepTest : public ::testing::Test { 3423 public: 3424 SharedCryptoRsaOaepTest() { Init(); } 3425 3426 scoped_ptr<base::DictionaryValue> CreatePublicKeyJwkDict() { 3427 scoped_ptr<base::DictionaryValue> jwk(new base::DictionaryValue()); 3428 jwk->SetString("kty", "RSA"); 3429 jwk->SetString("n", 3430 Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyModulusHex))); 3431 jwk->SetString( 3432 "e", Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyExponentHex))); 3433 return jwk.Pass(); 3434 } 3435 }; 3436 3437 // Import a PKCS#8 private key that uses RSAPrivateKey with the 3438 // id-rsaEncryption OID. 3439 TEST_F(SharedCryptoRsaOaepTest, ImportPkcs8WithRsaEncryption) { 3440 if (!SupportsRsaOaep()) { 3441 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3442 return; 3443 } 3444 3445 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 3446 ASSERT_EQ(Status::Success(), 3447 ImportKey(blink::WebCryptoKeyFormatPkcs8, 3448 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 3449 CreateRsaHashedImportAlgorithm( 3450 blink::WebCryptoAlgorithmIdRsaOaep, 3451 blink::WebCryptoAlgorithmIdSha1), 3452 true, 3453 blink::WebCryptoKeyUsageDecrypt, 3454 &private_key)); 3455 } 3456 3457 TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) { 3458 if (!SupportsRsaOaep()) { 3459 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3460 return; 3461 } 3462 3463 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3464 3465 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3466 ASSERT_EQ(Status::Success(), 3467 ImportKeyJwkFromDict(*jwk.get(), 3468 CreateRsaHashedImportAlgorithm( 3469 blink::WebCryptoAlgorithmIdRsaOaep, 3470 blink::WebCryptoAlgorithmIdSha1), 3471 true, 3472 blink::WebCryptoKeyUsageEncrypt, 3473 &public_key)); 3474 } 3475 3476 TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) { 3477 if (!SupportsRsaOaep()) { 3478 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3479 return; 3480 } 3481 3482 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3483 jwk->SetString("alg", "RSA-OAEP"); 3484 3485 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3486 ASSERT_EQ(Status::Success(), 3487 ImportKeyJwkFromDict(*jwk.get(), 3488 CreateRsaHashedImportAlgorithm( 3489 blink::WebCryptoAlgorithmIdRsaOaep, 3490 blink::WebCryptoAlgorithmIdSha1), 3491 true, 3492 blink::WebCryptoKeyUsageEncrypt, 3493 &public_key)); 3494 } 3495 3496 TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) { 3497 if (!SupportsRsaOaep()) { 3498 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3499 return; 3500 } 3501 3502 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3503 jwk->SetString("alg", "RSA-OAEP-512"); 3504 3505 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3506 ASSERT_EQ(Status::ErrorJwkAlgorithmInconsistent(), 3507 ImportKeyJwkFromDict(*jwk.get(), 3508 CreateRsaHashedImportAlgorithm( 3509 blink::WebCryptoAlgorithmIdRsaOaep, 3510 blink::WebCryptoAlgorithmIdSha1), 3511 true, 3512 blink::WebCryptoKeyUsageEncrypt, 3513 &public_key)); 3514 } 3515 3516 TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypeFails) { 3517 if (!SupportsRsaOaep()) { 3518 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3519 return; 3520 } 3521 3522 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3523 jwk->SetString("kty", "oct"); 3524 jwk->SetString("alg", "RSA-OAEP"); 3525 3526 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3527 ASSERT_EQ(Status::ErrorJwkPropertyMissing("k"), 3528 ImportKeyJwkFromDict(*jwk.get(), 3529 CreateRsaHashedImportAlgorithm( 3530 blink::WebCryptoAlgorithmIdRsaOaep, 3531 blink::WebCryptoAlgorithmIdSha1), 3532 true, 3533 blink::WebCryptoKeyUsageEncrypt, 3534 &public_key)); 3535 } 3536 3537 TEST_F(SharedCryptoRsaOaepTest, ExportPublicJwk) { 3538 if (!SupportsRsaOaep()) { 3539 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3540 return; 3541 } 3542 3543 struct TestData { 3544 blink::WebCryptoAlgorithmId hash_alg; 3545 const char* expected_jwk_alg; 3546 } kTestData[] = {{blink::WebCryptoAlgorithmIdSha1, "RSA-OAEP"}, 3547 {blink::WebCryptoAlgorithmIdSha256, "RSA-OAEP-256"}, 3548 {blink::WebCryptoAlgorithmIdSha384, "RSA-OAEP-384"}, 3549 {blink::WebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}}; 3550 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestData); ++i) { 3551 const TestData& test_data = kTestData[i]; 3552 SCOPED_TRACE(test_data.expected_jwk_alg); 3553 3554 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3555 jwk->SetString("alg", test_data.expected_jwk_alg); 3556 3557 // Import the key in a known-good format 3558 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3559 ASSERT_EQ(Status::Success(), 3560 ImportKeyJwkFromDict( 3561 *jwk.get(), 3562 CreateRsaHashedImportAlgorithm( 3563 blink::WebCryptoAlgorithmIdRsaOaep, test_data.hash_alg), 3564 true, 3565 blink::WebCryptoKeyUsageEncrypt, 3566 &public_key)); 3567 3568 // Now export the key as JWK and verify its contents 3569 std::vector<uint8> jwk_data; 3570 ASSERT_EQ(Status::Success(), 3571 ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk_data)); 3572 EXPECT_TRUE(VerifyPublicJwk(jwk_data, 3573 test_data.expected_jwk_alg, 3574 kPublicKeyModulusHex, 3575 kPublicKeyExponentHex, 3576 blink::WebCryptoKeyUsageEncrypt)); 3577 } 3578 } 3579 3580 TEST_F(SharedCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) { 3581 if (!SupportsRsaOaep()) { 3582 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3583 return; 3584 } 3585 3586 scoped_ptr<base::ListValue> tests; 3587 ASSERT_TRUE(ReadJsonTestFileToList("rsa_oaep.json", &tests)); 3588 3589 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { 3590 SCOPED_TRACE(test_index); 3591 3592 base::DictionaryValue* test = NULL; 3593 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); 3594 3595 blink::WebCryptoAlgorithm digest_algorithm = 3596 GetDigestAlgorithm(test, "hash"); 3597 ASSERT_FALSE(digest_algorithm.isNull()); 3598 std::vector<uint8> public_key_der = 3599 GetBytesFromHexString(test, "public_key"); 3600 std::vector<uint8> private_key_der = 3601 GetBytesFromHexString(test, "private_key"); 3602 std::vector<uint8> ciphertext = GetBytesFromHexString(test, "ciphertext"); 3603 std::vector<uint8> plaintext = GetBytesFromHexString(test, "plaintext"); 3604 std::vector<uint8> label = GetBytesFromHexString(test, "label"); 3605 3606 blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm( 3607 blink::WebCryptoAlgorithmIdRsaOaep, digest_algorithm.id()); 3608 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3609 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 3610 3611 ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(public_key_der, 3612 private_key_der, 3613 import_algorithm, 3614 false, 3615 blink::WebCryptoKeyUsageEncrypt, 3616 blink::WebCryptoKeyUsageDecrypt, 3617 &public_key, 3618 &private_key)); 3619 3620 blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label); 3621 std::vector<uint8> decrypted_data; 3622 ASSERT_EQ(Status::Success(), 3623 Decrypt(op_algorithm, 3624 private_key, 3625 CryptoData(ciphertext), 3626 &decrypted_data)); 3627 EXPECT_BYTES_EQ(plaintext, decrypted_data); 3628 std::vector<uint8> encrypted_data; 3629 ASSERT_EQ( 3630 Status::Success(), 3631 Encrypt( 3632 op_algorithm, public_key, CryptoData(plaintext), &encrypted_data)); 3633 std::vector<uint8> redecrypted_data; 3634 ASSERT_EQ(Status::Success(), 3635 Decrypt(op_algorithm, 3636 private_key, 3637 CryptoData(encrypted_data), 3638 &redecrypted_data)); 3639 EXPECT_BYTES_EQ(plaintext, redecrypted_data); 3640 } 3641 } 3642 3643 TEST_F(SharedCryptoRsaOaepTest, EncryptWithLargeMessageFails) { 3644 if (!SupportsRsaOaep()) { 3645 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3646 return; 3647 } 3648 3649 const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha1; 3650 const size_t kHashSize = 20; 3651 3652 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3653 3654 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3655 ASSERT_EQ(Status::Success(), 3656 ImportKeyJwkFromDict(*jwk.get(), 3657 CreateRsaHashedImportAlgorithm( 3658 blink::WebCryptoAlgorithmIdRsaOaep, kHash), 3659 true, 3660 blink::WebCryptoKeyUsageEncrypt, 3661 &public_key)); 3662 3663 // The maximum size of an encrypted message is: 3664 // modulus length 3665 // - 1 (leading octet) 3666 // - hash size (maskedSeed) 3667 // - hash size (lHash portion of maskedDB) 3668 // - 1 (at least one octet for the padding string) 3669 size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize); 3670 3671 // The label has no influence on the maximum message size. For simplicity, 3672 // use the empty string. 3673 std::vector<uint8> label; 3674 blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label); 3675 3676 // Test that a message just before the boundary succeeds. 3677 std::string large_message; 3678 large_message.resize(kMaxMessageSize - 1, 'A'); 3679 3680 std::vector<uint8> ciphertext; 3681 ASSERT_EQ( 3682 Status::Success(), 3683 Encrypt( 3684 op_algorithm, public_key, CryptoData(large_message), &ciphertext)); 3685 3686 // Test that a message at the boundary succeeds. 3687 large_message.resize(kMaxMessageSize, 'A'); 3688 ciphertext.clear(); 3689 3690 ASSERT_EQ( 3691 Status::Success(), 3692 Encrypt( 3693 op_algorithm, public_key, CryptoData(large_message), &ciphertext)); 3694 3695 // Test that a message greater than the largest size fails. 3696 large_message.resize(kMaxMessageSize + 1, 'A'); 3697 ciphertext.clear(); 3698 3699 ASSERT_EQ( 3700 Status::OperationError(), 3701 Encrypt( 3702 op_algorithm, public_key, CryptoData(large_message), &ciphertext)); 3703 } 3704 3705 // Ensures that if the selected hash algorithm for the RSA-OAEP message is too 3706 // large, then it is rejected, independent of the actual message to be 3707 // encrypted. 3708 // For example, a 1024-bit RSA key is too small to accomodate a message that 3709 // uses OAEP with SHA-512, since it requires 1040 bits to encode 3710 // (2 * hash size + 2 padding bytes). 3711 TEST_F(SharedCryptoRsaOaepTest, EncryptWithLargeDigestFails) { 3712 if (!SupportsRsaOaep()) { 3713 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3714 return; 3715 } 3716 3717 const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha512; 3718 3719 scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict()); 3720 3721 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3722 ASSERT_EQ(Status::Success(), 3723 ImportKeyJwkFromDict(*jwk.get(), 3724 CreateRsaHashedImportAlgorithm( 3725 blink::WebCryptoAlgorithmIdRsaOaep, kHash), 3726 true, 3727 blink::WebCryptoKeyUsageEncrypt, 3728 &public_key)); 3729 3730 // The label has no influence on the maximum message size. For simplicity, 3731 // use the empty string. 3732 std::vector<uint8> label; 3733 blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label); 3734 3735 std::string small_message("A"); 3736 std::vector<uint8> ciphertext; 3737 // This is an operation error, as the internal consistency checking of the 3738 // algorithm parameters is up to the implementation. 3739 ASSERT_EQ( 3740 Status::OperationError(), 3741 Encrypt( 3742 op_algorithm, public_key, CryptoData(small_message), &ciphertext)); 3743 } 3744 3745 TEST_F(SharedCryptoRsaOaepTest, DecryptWithLargeMessageFails) { 3746 if (!SupportsRsaOaep()) { 3747 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3748 return; 3749 } 3750 3751 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 3752 ASSERT_EQ(Status::Success(), 3753 ImportKey(blink::WebCryptoKeyFormatPkcs8, 3754 CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)), 3755 CreateRsaHashedImportAlgorithm( 3756 blink::WebCryptoAlgorithmIdRsaOaep, 3757 blink::WebCryptoAlgorithmIdSha1), 3758 true, 3759 blink::WebCryptoKeyUsageDecrypt, 3760 &private_key)); 3761 3762 // The label has no influence on the maximum message size. For simplicity, 3763 // use the empty string. 3764 std::vector<uint8> label; 3765 blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label); 3766 3767 std::string large_dummy_message(kModulusLengthBits / 8, 'A'); 3768 std::vector<uint8> plaintext; 3769 3770 ASSERT_EQ(Status::OperationError(), 3771 Decrypt(op_algorithm, 3772 private_key, 3773 CryptoData(large_dummy_message), 3774 &plaintext)); 3775 } 3776 3777 TEST_F(SharedCryptoRsaOaepTest, WrapUnwrapRawKey) { 3778 if (!SupportsRsaOaep()) { 3779 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3780 return; 3781 } 3782 3783 blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm( 3784 blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1); 3785 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3786 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 3787 3788 ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair( 3789 HexStringToBytes(kPublicKeySpkiDerHex), 3790 HexStringToBytes(kPrivateKeyPkcs8DerHex), 3791 import_algorithm, 3792 false, 3793 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey, 3794 blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey, 3795 &public_key, 3796 &private_key)); 3797 3798 std::vector<uint8> label; 3799 blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label); 3800 3801 const std::string key_hex = "000102030405060708090A0B0C0D0E0F"; 3802 const blink::WebCryptoAlgorithm key_algorithm = 3803 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 3804 3805 blink::WebCryptoKey key = 3806 ImportSecretKeyFromRaw(HexStringToBytes(key_hex), 3807 key_algorithm, 3808 blink::WebCryptoKeyUsageEncrypt); 3809 ASSERT_FALSE(key.isNull()); 3810 3811 std::vector<uint8> wrapped_key; 3812 ASSERT_EQ(Status::Success(), 3813 WrapKey(blink::WebCryptoKeyFormatRaw, 3814 key, 3815 public_key, 3816 wrapping_algorithm, 3817 &wrapped_key)); 3818 3819 // Verify that |wrapped_key| can be decrypted and yields the key data. 3820 // Because |private_key| supports both decrypt and unwrap, this is valid. 3821 std::vector<uint8> decrypted_key; 3822 ASSERT_EQ(Status::Success(), 3823 Decrypt(wrapping_algorithm, 3824 private_key, 3825 CryptoData(wrapped_key), 3826 &decrypted_key)); 3827 EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key); 3828 3829 // Now attempt to unwrap the key, which should also decrypt the data. 3830 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3831 ASSERT_EQ(Status::Success(), 3832 UnwrapKey(blink::WebCryptoKeyFormatRaw, 3833 CryptoData(wrapped_key), 3834 private_key, 3835 wrapping_algorithm, 3836 key_algorithm, 3837 true, 3838 blink::WebCryptoKeyUsageEncrypt, 3839 &unwrapped_key)); 3840 ASSERT_FALSE(unwrapped_key.isNull()); 3841 3842 std::vector<uint8> raw_key; 3843 ASSERT_EQ(Status::Success(), 3844 ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key)); 3845 EXPECT_BYTES_EQ_HEX(key_hex, raw_key); 3846 } 3847 3848 TEST_F(SharedCryptoRsaOaepTest, WrapUnwrapJwkSymKey) { 3849 if (!SupportsRsaOaep()) { 3850 LOG(WARNING) << "RSA-OAEP support not present; skipping."; 3851 return; 3852 } 3853 3854 // The public and private portions of a 2048-bit RSA key with the 3855 // id-rsaEncryption OID 3856 const char kPublicKey2048SpkiDerHex[] = 3857 "30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce" 3858 "137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764" 3859 "f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68" 3860 "e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f" 3861 "7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08" 3862 "a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606" 3863 "36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca" 3864 "749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d" 3865 "5d0203010001"; 3866 const char kPrivateKey2048Pkcs8DerHex[] = 3867 "308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201" 3868 "0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30" 3869 "0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448" 3870 "e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872" 3871 "458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34" 3872 "ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936" 3873 "52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7" 3874 "33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b" 3875 "557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3" 3876 "d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c" 3877 "f4145a1ad97b9edcd8a41c402bd9d8db10f62f43df854cdccbbb2100834f083f53ed6d42" 3878 "b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4" 3879 "9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62" 3880 "e7d47686129358914f3b8085f03698a650ab5b8c7e45813f2b0515ec05b6e5195b6a7c2a" 3881 "0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339" 3882 "ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c" 3883 "54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3" 3884 "23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a" 3885 "4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c" 3886 "1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133" 3887 "bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622" 3888 "113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277" 3889 "ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5" 3890 "aed9ba4d71b7502e6748a1ce247ecb7bd10c352d6d9256031cdf3c11a65e44b0b7ca2945" 3891 "134671195af84c6b3bb3d10ebf65ae916f38bd5dbc59a0ad1c69b8beaf57cb3a8335f19b" 3892 "c7117b576987b48331cd9fd3d1a293436b7bb5e1a35c6560de4b5688ea834367cb0997eb" 3893 "b578f59ed4cb724c47dba94d3b484c1876dcd70281807f15bc7d2406007cac2b138a96af" 3894 "2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562" 3895 "b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792" 3896 "0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab" 3897 "9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0" 3898 "0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca" 3899 "3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0" 3900 "37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b"; 3901 blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm( 3902 blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1); 3903 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3904 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 3905 3906 ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair( 3907 HexStringToBytes(kPublicKey2048SpkiDerHex), 3908 HexStringToBytes(kPrivateKey2048Pkcs8DerHex), 3909 import_algorithm, 3910 false, 3911 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey, 3912 blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey, 3913 &public_key, 3914 &private_key)); 3915 3916 std::vector<uint8> label; 3917 blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label); 3918 3919 const std::string key_hex = "000102030405060708090a0b0c0d0e0f"; 3920 const blink::WebCryptoAlgorithm key_algorithm = 3921 webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 3922 3923 blink::WebCryptoKey key = 3924 ImportSecretKeyFromRaw(HexStringToBytes(key_hex), 3925 key_algorithm, 3926 blink::WebCryptoKeyUsageEncrypt); 3927 ASSERT_FALSE(key.isNull()); 3928 3929 std::vector<uint8> wrapped_key; 3930 ASSERT_EQ(Status::Success(), 3931 WrapKey(blink::WebCryptoKeyFormatJwk, 3932 key, 3933 public_key, 3934 wrapping_algorithm, 3935 &wrapped_key)); 3936 3937 // Verify that |wrapped_key| can be decrypted and yields a valid JWK object. 3938 // Because |private_key| supports both decrypt and unwrap, this is valid. 3939 std::vector<uint8> decrypted_jwk; 3940 ASSERT_EQ(Status::Success(), 3941 Decrypt(wrapping_algorithm, 3942 private_key, 3943 CryptoData(wrapped_key), 3944 &decrypted_jwk)); 3945 EXPECT_TRUE(VerifySecretJwk( 3946 decrypted_jwk, "A128CBC", key_hex, blink::WebCryptoKeyUsageEncrypt)); 3947 3948 // Now attempt to unwrap the key, which should also decrypt the data. 3949 blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull(); 3950 ASSERT_EQ(Status::Success(), 3951 UnwrapKey(blink::WebCryptoKeyFormatJwk, 3952 CryptoData(wrapped_key), 3953 private_key, 3954 wrapping_algorithm, 3955 key_algorithm, 3956 true, 3957 blink::WebCryptoKeyUsageEncrypt, 3958 &unwrapped_key)); 3959 ASSERT_FALSE(unwrapped_key.isNull()); 3960 3961 std::vector<uint8> raw_key; 3962 ASSERT_EQ(Status::Success(), 3963 ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key)); 3964 EXPECT_BYTES_EQ_HEX(key_hex, raw_key); 3965 } 3966 3967 // Try importing an RSA-SSA public key with unsupported key usages using SPKI 3968 // format. RSA-SSA public keys only support the 'verify' usage. 3969 TEST_F(SharedCryptoTest, MAYBE(ImportRsaSsaPublicKeyBadUsage_SPKI)) { 3970 const blink::WebCryptoAlgorithm algorithm = 3971 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 3972 blink::WebCryptoAlgorithmIdSha256); 3973 3974 blink::WebCryptoKeyUsageMask bad_usages[] = { 3975 blink::WebCryptoKeyUsageSign, 3976 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 3977 blink::WebCryptoKeyUsageEncrypt, 3978 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, 3979 }; 3980 3981 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 3982 SCOPED_TRACE(i); 3983 3984 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 3985 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 3986 ImportKey(blink::WebCryptoKeyFormatSpki, 3987 CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)), 3988 algorithm, 3989 false, 3990 bad_usages[i], 3991 &public_key)); 3992 } 3993 } 3994 3995 // Try importing an RSA-SSA public key with unsupported key usages using JWK 3996 // format. RSA-SSA public keys only support the 'verify' usage. 3997 TEST_F(SharedCryptoTest, MAYBE(ImportRsaSsaPublicKeyBadUsage_JWK)) { 3998 const blink::WebCryptoAlgorithm algorithm = 3999 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4000 blink::WebCryptoAlgorithmIdSha256); 4001 4002 blink::WebCryptoKeyUsageMask bad_usages[] = { 4003 blink::WebCryptoKeyUsageSign, 4004 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 4005 blink::WebCryptoKeyUsageEncrypt, 4006 blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt, 4007 }; 4008 4009 base::DictionaryValue dict; 4010 RestoreJwkRsaDictionary(&dict); 4011 dict.Remove("use", NULL); 4012 dict.SetString("alg", "RS256"); 4013 4014 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4015 SCOPED_TRACE(i); 4016 4017 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 4018 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4019 ImportKeyJwkFromDict( 4020 dict, algorithm, false, bad_usages[i], &public_key)); 4021 } 4022 } 4023 4024 // Try importing an AES-CBC key with unsupported key usages using raw 4025 // format. AES-CBC keys support the following usages: 4026 // 'encrypt', 'decrypt', 'wrapKey', 'unwrapKey' 4027 TEST_F(SharedCryptoTest, MAYBE(ImportAesCbcKeyBadUsage_Raw)) { 4028 const blink::WebCryptoAlgorithm algorithm = 4029 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc); 4030 4031 blink::WebCryptoKeyUsageMask bad_usages[] = { 4032 blink::WebCryptoKeyUsageSign, 4033 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageDecrypt, 4034 blink::WebCryptoKeyUsageDeriveBits, 4035 blink::WebCryptoKeyUsageUnwrapKey | blink::WebCryptoKeyUsageVerify, 4036 }; 4037 4038 std::vector<uint8> key_bytes(16); 4039 4040 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4041 SCOPED_TRACE(i); 4042 4043 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 4044 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4045 ImportKey(blink::WebCryptoKeyFormatRaw, 4046 CryptoData(key_bytes), 4047 algorithm, 4048 true, 4049 bad_usages[i], 4050 &key)); 4051 } 4052 } 4053 4054 // Try importing an AES-KW key with unsupported key usages using raw 4055 // format. AES-KW keys support the following usages: 4056 // 'wrapKey', 'unwrapKey' 4057 TEST_F(SharedCryptoTest, MAYBE(ImportAesKwKeyBadUsage_Raw)) { 4058 const blink::WebCryptoAlgorithm algorithm = 4059 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 4060 4061 blink::WebCryptoKeyUsageMask bad_usages[] = { 4062 blink::WebCryptoKeyUsageEncrypt, 4063 blink::WebCryptoKeyUsageDecrypt, 4064 blink::WebCryptoKeyUsageSign, 4065 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageUnwrapKey, 4066 blink::WebCryptoKeyUsageDeriveBits, 4067 blink::WebCryptoKeyUsageUnwrapKey | blink::WebCryptoKeyUsageVerify, 4068 }; 4069 4070 std::vector<uint8> key_bytes(16); 4071 4072 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4073 SCOPED_TRACE(i); 4074 4075 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 4076 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4077 ImportKey(blink::WebCryptoKeyFormatRaw, 4078 CryptoData(key_bytes), 4079 algorithm, 4080 true, 4081 bad_usages[i], 4082 &key)); 4083 } 4084 } 4085 4086 // Try unwrapping an HMAC key with unsupported usages using JWK format and 4087 // AES-KW. HMAC keys support the following usages: 4088 // 'sign', 'verify' 4089 TEST_F(SharedCryptoTest, MAYBE(UnwrapHmacKeyBadUsage_JWK)) { 4090 const blink::WebCryptoAlgorithm unwrap_algorithm = 4091 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 4092 4093 blink::WebCryptoKeyUsageMask bad_usages[] = { 4094 blink::WebCryptoKeyUsageEncrypt, 4095 blink::WebCryptoKeyUsageDecrypt, 4096 blink::WebCryptoKeyUsageWrapKey, 4097 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageWrapKey, 4098 blink::WebCryptoKeyUsageVerify | blink::WebCryptoKeyUsageDeriveKey, 4099 }; 4100 4101 // Import the wrapping key. 4102 blink::WebCryptoKey wrapping_key = blink::WebCryptoKey::createNull(); 4103 ASSERT_EQ(Status::Success(), 4104 ImportKey(blink::WebCryptoKeyFormatRaw, 4105 CryptoData(std::vector<uint8>(16)), 4106 unwrap_algorithm, 4107 true, 4108 blink::WebCryptoKeyUsageUnwrapKey, 4109 &wrapping_key)); 4110 4111 // The JWK plain text is: 4112 // { "kty": "oct","alg": "HS256","k": "GADWrMRHwQfoNaXU5fZvTg=="} 4113 const char* kWrappedJwk = 4114 "0AA245F17064FFB2A7A094436A39BEBFC962C627303D1327EA750CE9F917688C2782A943" 4115 "7AE7586547AC490E8AE7D5B02D63868D5C3BB57D36C4C8C5BF3962ACEC6F42E767E5706" 4116 "4"; 4117 4118 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4119 SCOPED_TRACE(i); 4120 4121 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 4122 4123 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4124 UnwrapKey(blink::WebCryptoKeyFormatJwk, 4125 CryptoData(HexStringToBytes(kWrappedJwk)), 4126 wrapping_key, 4127 unwrap_algorithm, 4128 webcrypto::CreateHmacImportAlgorithm( 4129 blink::WebCryptoAlgorithmIdSha256), 4130 true, 4131 bad_usages[i], 4132 &key)); 4133 } 4134 } 4135 4136 // Try unwrapping an RSA-SSA public key with unsupported usages using JWK format 4137 // and AES-KW. RSA-SSA public keys support the following usages: 4138 // 'verify' 4139 TEST_F(SharedCryptoTest, MAYBE(UnwrapRsaSsaPublicKeyBadUsage_JWK)) { 4140 const blink::WebCryptoAlgorithm unwrap_algorithm = 4141 CreateAlgorithm(blink::WebCryptoAlgorithmIdAesKw); 4142 4143 blink::WebCryptoKeyUsageMask bad_usages[] = { 4144 blink::WebCryptoKeyUsageEncrypt, 4145 blink::WebCryptoKeyUsageSign, 4146 blink::WebCryptoKeyUsageDecrypt, 4147 blink::WebCryptoKeyUsageWrapKey, 4148 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageWrapKey, 4149 }; 4150 4151 // Import the wrapping key. 4152 blink::WebCryptoKey wrapping_key = blink::WebCryptoKey::createNull(); 4153 ASSERT_EQ(Status::Success(), 4154 ImportKey(blink::WebCryptoKeyFormatRaw, 4155 CryptoData(std::vector<uint8>(16)), 4156 unwrap_algorithm, 4157 true, 4158 blink::WebCryptoKeyUsageUnwrapKey, 4159 &wrapping_key)); 4160 4161 // The JWK plaintext is: 4162 // { "kty": "RSA","alg": "RS256","n": "...","e": "AQAB"} 4163 4164 const char* kWrappedJwk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for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4174 SCOPED_TRACE(i); 4175 4176 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 4177 4178 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4179 UnwrapKey(blink::WebCryptoKeyFormatJwk, 4180 CryptoData(HexStringToBytes(kWrappedJwk)), 4181 wrapping_key, 4182 unwrap_algorithm, 4183 webcrypto::CreateRsaHashedImportAlgorithm( 4184 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4185 blink::WebCryptoAlgorithmIdSha256), 4186 true, 4187 bad_usages[i], 4188 &key)); 4189 } 4190 } 4191 4192 // Generate an AES-CBC key with invalid usages. AES-CBC supports: 4193 // 'encrypt', 'decrypt', 'wrapKey', 'unwrapKey' 4194 TEST_F(SharedCryptoTest, MAYBE(GenerateAesKeyBadUsages)) { 4195 blink::WebCryptoKeyUsageMask bad_usages[] = { 4196 blink::WebCryptoKeyUsageSign, blink::WebCryptoKeyUsageVerify, 4197 blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageVerify, 4198 }; 4199 4200 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4201 SCOPED_TRACE(i); 4202 4203 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); 4204 4205 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4206 GenerateSecretKey( 4207 CreateAesCbcKeyGenAlgorithm(128), true, bad_usages[i], &key)); 4208 } 4209 } 4210 4211 // Generate an RSA-SSA key pair with invalid usages. RSA-SSA supports: 4212 // 'sign', 'verify' 4213 TEST_F(SharedCryptoTest, MAYBE(GenerateRsaSsaBadUsages)) { 4214 blink::WebCryptoKeyUsageMask bad_usages[] = { 4215 blink::WebCryptoKeyUsageDecrypt, 4216 blink::WebCryptoKeyUsageVerify | blink::WebCryptoKeyUsageDecrypt, 4217 blink::WebCryptoKeyUsageWrapKey, 4218 }; 4219 4220 const unsigned int modulus_length = 256; 4221 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); 4222 4223 for (size_t i = 0; i < arraysize(bad_usages); ++i) { 4224 SCOPED_TRACE(i); 4225 4226 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 4227 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 4228 4229 ASSERT_EQ(Status::ErrorCreateKeyBadUsages(), 4230 GenerateKeyPair(CreateRsaHashedKeyGenAlgorithm( 4231 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4232 blink::WebCryptoAlgorithmIdSha256, 4233 modulus_length, 4234 public_exponent), 4235 true, 4236 bad_usages[i], 4237 &public_key, 4238 &private_key)); 4239 } 4240 } 4241 4242 // Generate an RSA-SSA key pair. The public and private keys should select the 4243 // key usages which are applicable, and not have the exact same usages as was 4244 // specified to GenerateKey 4245 TEST_F(SharedCryptoTest, MAYBE(GenerateRsaSsaKeyPairIntersectUsages)) { 4246 const unsigned int modulus_length = 256; 4247 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); 4248 4249 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 4250 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 4251 4252 ASSERT_EQ(Status::Success(), 4253 GenerateKeyPair( 4254 CreateRsaHashedKeyGenAlgorithm( 4255 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4256 blink::WebCryptoAlgorithmIdSha256, 4257 modulus_length, 4258 public_exponent), 4259 true, 4260 blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify, 4261 &public_key, 4262 &private_key)); 4263 4264 EXPECT_EQ(blink::WebCryptoKeyUsageVerify, public_key.usages()); 4265 EXPECT_EQ(blink::WebCryptoKeyUsageSign, private_key.usages()); 4266 4267 // Try again but this time without the Verify usages. 4268 ASSERT_EQ(Status::Success(), 4269 GenerateKeyPair(CreateRsaHashedKeyGenAlgorithm( 4270 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4271 blink::WebCryptoAlgorithmIdSha256, 4272 modulus_length, 4273 public_exponent), 4274 true, 4275 blink::WebCryptoKeyUsageSign, 4276 &public_key, 4277 &private_key)); 4278 4279 EXPECT_EQ(0, public_key.usages()); 4280 EXPECT_EQ(blink::WebCryptoKeyUsageSign, private_key.usages()); 4281 } 4282 4283 // Generate an AES-CBC key and an RSA key pair. Use the AES-CBC key to wrap the 4284 // key pair (using SPKI format for public key, PKCS8 format for private key). 4285 // Then unwrap the wrapped key pair and verify that the key data is the same. 4286 TEST_F(SharedCryptoTest, MAYBE(WrapUnwrapRoundtripSpkiPkcs8UsingAesCbc)) { 4287 if (!SupportsRsaKeyImport()) 4288 return; 4289 4290 // Generate the wrapping key. 4291 blink::WebCryptoKey wrapping_key = blink::WebCryptoKey::createNull(); 4292 ASSERT_EQ(Status::Success(), 4293 GenerateSecretKey(CreateAesCbcKeyGenAlgorithm(128), 4294 true, 4295 blink::WebCryptoKeyUsageWrapKey | 4296 blink::WebCryptoKeyUsageUnwrapKey, 4297 &wrapping_key)); 4298 4299 // Generate an RSA key pair to be wrapped. 4300 const unsigned int modulus_length = 256; 4301 const std::vector<uint8> public_exponent = HexStringToBytes("010001"); 4302 4303 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); 4304 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); 4305 ASSERT_EQ(Status::Success(), 4306 GenerateKeyPair(CreateRsaHashedKeyGenAlgorithm( 4307 blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4308 blink::WebCryptoAlgorithmIdSha256, 4309 modulus_length, 4310 public_exponent), 4311 true, 4312 0, 4313 &public_key, 4314 &private_key)); 4315 4316 // Export key pair as SPKI + PKCS8 4317 std::vector<uint8> public_key_spki; 4318 ASSERT_EQ( 4319 Status::Success(), 4320 ExportKey(blink::WebCryptoKeyFormatSpki, public_key, &public_key_spki)); 4321 4322 std::vector<uint8> private_key_pkcs8; 4323 ASSERT_EQ( 4324 Status::Success(), 4325 ExportKey( 4326 blink::WebCryptoKeyFormatPkcs8, private_key, &private_key_pkcs8)); 4327 4328 // Wrap the key pair. 4329 blink::WebCryptoAlgorithm wrap_algorithm = 4330 CreateAesCbcAlgorithm(std::vector<uint8>(16, 0)); 4331 4332 std::vector<uint8> wrapped_public_key; 4333 ASSERT_EQ(Status::Success(), 4334 WrapKey(blink::WebCryptoKeyFormatSpki, 4335 public_key, 4336 wrapping_key, 4337 wrap_algorithm, 4338 &wrapped_public_key)); 4339 4340 std::vector<uint8> wrapped_private_key; 4341 ASSERT_EQ(Status::Success(), 4342 WrapKey(blink::WebCryptoKeyFormatPkcs8, 4343 private_key, 4344 wrapping_key, 4345 wrap_algorithm, 4346 &wrapped_private_key)); 4347 4348 // Unwrap the key pair. 4349 blink::WebCryptoAlgorithm rsa_import_algorithm = 4350 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5, 4351 blink::WebCryptoAlgorithmIdSha256); 4352 4353 blink::WebCryptoKey unwrapped_public_key = blink::WebCryptoKey::createNull(); 4354 4355 ASSERT_EQ(Status::Success(), 4356 UnwrapKey(blink::WebCryptoKeyFormatSpki, 4357 CryptoData(wrapped_public_key), 4358 wrapping_key, 4359 wrap_algorithm, 4360 rsa_import_algorithm, 4361 true, 4362 0, 4363 &unwrapped_public_key)); 4364 4365 blink::WebCryptoKey unwrapped_private_key = blink::WebCryptoKey::createNull(); 4366 4367 ASSERT_EQ(Status::Success(), 4368 UnwrapKey(blink::WebCryptoKeyFormatPkcs8, 4369 CryptoData(wrapped_private_key), 4370 wrapping_key, 4371 wrap_algorithm, 4372 rsa_import_algorithm, 4373 true, 4374 0, 4375 &unwrapped_private_key)); 4376 4377 // Export unwrapped key pair as SPKI + PKCS8 4378 std::vector<uint8> unwrapped_public_key_spki; 4379 ASSERT_EQ(Status::Success(), 4380 ExportKey(blink::WebCryptoKeyFormatSpki, 4381 unwrapped_public_key, 4382 &unwrapped_public_key_spki)); 4383 4384 std::vector<uint8> unwrapped_private_key_pkcs8; 4385 ASSERT_EQ(Status::Success(), 4386 ExportKey(blink::WebCryptoKeyFormatPkcs8, 4387 unwrapped_private_key, 4388 &unwrapped_private_key_pkcs8)); 4389 4390 EXPECT_EQ(public_key_spki, unwrapped_public_key_spki); 4391 EXPECT_EQ(private_key_pkcs8, unwrapped_private_key_pkcs8); 4392 4393 EXPECT_NE(public_key_spki, wrapped_public_key); 4394 EXPECT_NE(private_key_pkcs8, wrapped_private_key); 4395 } 4396 4397 } // namespace webcrypto 4398 4399 } // namespace content 4400
