src/content/child/webcrypto/test/rsa_oaep_unittest.cc

   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 "base/logging.h"
   6 #include "base/stl_util.h"
   7 #include "content/child/webcrypto/algorithm_dispatch.h"
   8 #include "content/child/webcrypto/crypto_data.h"
   9 #include "content/child/webcrypto/jwk.h"
  10 #include "content/child/webcrypto/status.h"
  11 #include "content/child/webcrypto/test/test_helpers.h"
  12 #include "content/child/webcrypto/webcrypto_util.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
  15 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
  16
  17 namespace content {
  18
  19 namespace webcrypto {
  20
  21 namespace {
  22
  23 // Creates an RSA-OAEP algorithm
  24 blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm(
  25     const std::vector<uint8_t>& label) {
  26   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
  27       blink::WebCryptoAlgorithmIdRsaOaep,
  28       new blink::WebCryptoRsaOaepParams(
  29           !label.empty(), vector_as_array(&label), label.size()));
  30 }
  31
  32 scoped_ptr<base::DictionaryValue> CreatePublicKeyJwkDict() {
  33   scoped_ptr<base::DictionaryValue> jwk(new base::DictionaryValue());
  34   jwk->SetString("kty", "RSA");
  35   jwk->SetString("n",
  36                  Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyModulusHex)));
  37   jwk->SetString("e",
  38                  Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyExponentHex)));
  39   return jwk.Pass();
  40 }
  41
  42 // Import a PKCS#8 private key that uses RSAPrivateKey with the
  43 // id-rsaEncryption OID.
  44 TEST(WebCryptoRsaOaepTest, ImportPkcs8WithRsaEncryption) {
  45   if (!SupportsRsaOaep()) {
  46     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  47     return;
  48   }
  49
  50   blink::WebCryptoKey private_key;
  51   ASSERT_EQ(Status::Success(),
  52             ImportKey(blink::WebCryptoKeyFormatPkcs8,
  53                       CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
  54                       CreateRsaHashedImportAlgorithm(
  55                           blink::WebCryptoAlgorithmIdRsaOaep,
  56                           blink::WebCryptoAlgorithmIdSha1),
  57                       true,
  58                       blink::WebCryptoKeyUsageDecrypt,
  59                       &private_key));
  60 }
  61
  62 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) {
  63   if (!SupportsRsaOaep()) {
  64     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  65     return;
  66   }
  67
  68   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  69
  70   blink::WebCryptoKey public_key;
  71   ASSERT_EQ(Status::Success(),
  72             ImportKeyJwkFromDict(*jwk.get(),
  73                                  CreateRsaHashedImportAlgorithm(
  74                                      blink::WebCryptoAlgorithmIdRsaOaep,
  75                                      blink::WebCryptoAlgorithmIdSha1),
  76                                  true,
  77                                  blink::WebCryptoKeyUsageEncrypt,
  78                                  &public_key));
  79 }
  80
  81 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) {
  82   if (!SupportsRsaOaep()) {
  83     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  84     return;
  85   }
  86
  87   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  88   jwk->SetString("alg", "RSA-OAEP");
  89
  90   blink::WebCryptoKey public_key;
  91   ASSERT_EQ(Status::Success(),
  92             ImportKeyJwkFromDict(*jwk.get(),
  93                                  CreateRsaHashedImportAlgorithm(
  94                                      blink::WebCryptoAlgorithmIdRsaOaep,
  95                                      blink::WebCryptoAlgorithmIdSha1),
  96                                  true,
  97                                  blink::WebCryptoKeyUsageEncrypt,
  98                                  &public_key));
  99 }
 100
 101 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) {
 102   if (!SupportsRsaOaep()) {
 103     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 104     return;
 105   }
 106
 107   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 108   jwk->SetString("alg", "RSA-OAEP-512");
 109
 110   blink::WebCryptoKey public_key;
 111   ASSERT_EQ(Status::ErrorJwkAlgorithmInconsistent(),
 112             ImportKeyJwkFromDict(*jwk.get(),
 113                                  CreateRsaHashedImportAlgorithm(
 114                                      blink::WebCryptoAlgorithmIdRsaOaep,
 115                                      blink::WebCryptoAlgorithmIdSha1),
 116                                  true,
 117                                  blink::WebCryptoKeyUsageEncrypt,
 118                                  &public_key));
 119 }
 120
 121 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypeFails) {
 122   if (!SupportsRsaOaep()) {
 123     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 124     return;
 125   }
 126
 127   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 128   jwk->SetString("kty", "oct");
 129   jwk->SetString("alg", "RSA-OAEP");
 130
 131   blink::WebCryptoKey public_key;
 132   ASSERT_EQ(Status::ErrorJwkUnexpectedKty("RSA"),
 133             ImportKeyJwkFromDict(*jwk.get(),
 134                                  CreateRsaHashedImportAlgorithm(
 135                                      blink::WebCryptoAlgorithmIdRsaOaep,
 136                                      blink::WebCryptoAlgorithmIdSha1),
 137                                  true,
 138                                  blink::WebCryptoKeyUsageEncrypt,
 139                                  &public_key));
 140 }
 141
 142 TEST(WebCryptoRsaOaepTest, ExportPublicJwk) {
 143   if (!SupportsRsaOaep()) {
 144     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 145     return;
 146   }
 147
 148   struct TestData {
 149     blink::WebCryptoAlgorithmId hash_alg;
 150     const char* expected_jwk_alg;
 151   } kTestData[] = {{blink::WebCryptoAlgorithmIdSha1, "RSA-OAEP"},
 152                    {blink::WebCryptoAlgorithmIdSha256, "RSA-OAEP-256"},
 153                    {blink::WebCryptoAlgorithmIdSha384, "RSA-OAEP-384"},
 154                    {blink::WebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}};
 155   for (size_t i = 0; i < arraysize(kTestData); ++i) {
 156     const TestData& test_data = kTestData[i];
 157     SCOPED_TRACE(test_data.expected_jwk_alg);
 158
 159     scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 160     jwk->SetString("alg", test_data.expected_jwk_alg);
 161
 162     // Import the key in a known-good format
 163     blink::WebCryptoKey public_key;
 164     ASSERT_EQ(Status::Success(),
 165               ImportKeyJwkFromDict(
 166                   *jwk.get(),
 167                   CreateRsaHashedImportAlgorithm(
 168                       blink::WebCryptoAlgorithmIdRsaOaep, test_data.hash_alg),
 169                   true,
 170                   blink::WebCryptoKeyUsageEncrypt,
 171                   &public_key));
 172
 173     // Now export the key as JWK and verify its contents
 174     std::vector<uint8_t> jwk_data;
 175     ASSERT_EQ(Status::Success(),
 176               ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk_data));
 177     EXPECT_TRUE(VerifyPublicJwk(jwk_data,
 178                                 test_data.expected_jwk_alg,
 179                                 kPublicKeyModulusHex,
 180                                 kPublicKeyExponentHex,
 181                                 blink::WebCryptoKeyUsageEncrypt));
 182   }
 183 }
 184
 185 TEST(WebCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) {
 186   if (!SupportsRsaOaep()) {
 187     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 188     return;
 189   }
 190
 191   scoped_ptr<base::ListValue> tests;
 192   ASSERT_TRUE(ReadJsonTestFileToList("rsa_oaep.json", &tests));
 193
 194   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
 195     SCOPED_TRACE(test_index);
 196
 197     base::DictionaryValue* test = NULL;
 198     ASSERT_TRUE(tests->GetDictionary(test_index, &test));
 199
 200     blink::WebCryptoAlgorithm digest_algorithm =
 201         GetDigestAlgorithm(test, "hash");
 202     ASSERT_FALSE(digest_algorithm.isNull());
 203     std::vector<uint8_t> public_key_der =
 204         GetBytesFromHexString(test, "public_key");
 205     std::vector<uint8_t> private_key_der =
 206         GetBytesFromHexString(test, "private_key");
 207     std::vector<uint8_t> ciphertext = GetBytesFromHexString(test, "ciphertext");
 208     std::vector<uint8_t> plaintext = GetBytesFromHexString(test, "plaintext");
 209     std::vector<uint8_t> label = GetBytesFromHexString(test, "label");
 210
 211     blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 212         blink::WebCryptoAlgorithmIdRsaOaep, digest_algorithm.id());
 213     blink::WebCryptoKey public_key;
 214     blink::WebCryptoKey private_key;
 215
 216     ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(public_key_der,
 217                                              private_key_der,
 218                                              import_algorithm,
 219                                              false,
 220                                              blink::WebCryptoKeyUsageEncrypt,
 221                                              blink::WebCryptoKeyUsageDecrypt,
 222                                              &public_key,
 223                                              &private_key));
 224
 225     blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 226     std::vector<uint8_t> decrypted_data;
 227     ASSERT_EQ(Status::Success(),
 228               Decrypt(op_algorithm,
 229                       private_key,
 230                       CryptoData(ciphertext),
 231                       &decrypted_data));
 232     EXPECT_BYTES_EQ(plaintext, decrypted_data);
 233     std::vector<uint8_t> encrypted_data;
 234     ASSERT_EQ(
 235         Status::Success(),
 236         Encrypt(
 237             op_algorithm, public_key, CryptoData(plaintext), &encrypted_data));
 238     std::vector<uint8_t> redecrypted_data;
 239     ASSERT_EQ(Status::Success(),
 240               Decrypt(op_algorithm,
 241                       private_key,
 242                       CryptoData(encrypted_data),
 243                       &redecrypted_data));
 244     EXPECT_BYTES_EQ(plaintext, redecrypted_data);
 245   }
 246 }
 247
 248 TEST(WebCryptoRsaOaepTest, EncryptWithLargeMessageFails) {
 249   if (!SupportsRsaOaep()) {
 250     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 251     return;
 252   }
 253
 254   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha1;
 255   const size_t kHashSize = 20;
 256
 257   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 258
 259   blink::WebCryptoKey public_key;
 260   ASSERT_EQ(Status::Success(),
 261             ImportKeyJwkFromDict(*jwk.get(),
 262                                  CreateRsaHashedImportAlgorithm(
 263                                      blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 264                                  true,
 265                                  blink::WebCryptoKeyUsageEncrypt,
 266                                  &public_key));
 267
 268   // The maximum size of an encrypted message is:
 269   //   modulus length
 270   //   - 1 (leading octet)
 271   //   - hash size (maskedSeed)
 272   //   - hash size (lHash portion of maskedDB)
 273   //   - 1 (at least one octet for the padding string)
 274   size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize);
 275
 276   // The label has no influence on the maximum message size. For simplicity,
 277   // use the empty string.
 278   std::vector<uint8_t> label;
 279   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 280
 281   // Test that a message just before the boundary succeeds.
 282   std::string large_message;
 283   large_message.resize(kMaxMessageSize - 1, 'A');
 284
 285   std::vector<uint8_t> ciphertext;
 286   ASSERT_EQ(
 287       Status::Success(),
 288       Encrypt(
 289           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 290
 291   // Test that a message at the boundary succeeds.
 292   large_message.resize(kMaxMessageSize, 'A');
 293   ciphertext.clear();
 294
 295   ASSERT_EQ(
 296       Status::Success(),
 297       Encrypt(
 298           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 299
 300   // Test that a message greater than the largest size fails.
 301   large_message.resize(kMaxMessageSize + 1, 'A');
 302   ciphertext.clear();
 303
 304   ASSERT_EQ(
 305       Status::OperationError(),
 306       Encrypt(
 307           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 308 }
 309
 310 // Ensures that if the selected hash algorithm for the RSA-OAEP message is too
 311 // large, then it is rejected, independent of the actual message to be
 312 // encrypted.
 313 // For example, a 1024-bit RSA key is too small to accomodate a message that
 314 // uses OAEP with SHA-512, since it requires 1040 bits to encode
 315 // (2 * hash size + 2 padding bytes).
 316 TEST(WebCryptoRsaOaepTest, EncryptWithLargeDigestFails) {
 317   if (!SupportsRsaOaep()) {
 318     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 319     return;
 320   }
 321
 322   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha512;
 323
 324   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 325
 326   blink::WebCryptoKey public_key;
 327   ASSERT_EQ(Status::Success(),
 328             ImportKeyJwkFromDict(*jwk.get(),
 329                                  CreateRsaHashedImportAlgorithm(
 330                                      blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 331                                  true,
 332                                  blink::WebCryptoKeyUsageEncrypt,
 333                                  &public_key));
 334
 335   // The label has no influence on the maximum message size. For simplicity,
 336   // use the empty string.
 337   std::vector<uint8_t> label;
 338   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 339
 340   std::string small_message("A");
 341   std::vector<uint8_t> ciphertext;
 342   // This is an operation error, as the internal consistency checking of the
 343   // algorithm parameters is up to the implementation.
 344   ASSERT_EQ(
 345       Status::OperationError(),
 346       Encrypt(
 347           op_algorithm, public_key, CryptoData(small_message), &ciphertext));
 348 }
 349
 350 TEST(WebCryptoRsaOaepTest, DecryptWithLargeMessageFails) {
 351   if (!SupportsRsaOaep()) {
 352     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 353     return;
 354   }
 355
 356   blink::WebCryptoKey private_key;
 357   ASSERT_EQ(Status::Success(),
 358             ImportKey(blink::WebCryptoKeyFormatPkcs8,
 359                       CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
 360                       CreateRsaHashedImportAlgorithm(
 361                           blink::WebCryptoAlgorithmIdRsaOaep,
 362                           blink::WebCryptoAlgorithmIdSha1),
 363                       true,
 364                       blink::WebCryptoKeyUsageDecrypt,
 365                       &private_key));
 366
 367   // The label has no influence on the maximum message size. For simplicity,
 368   // use the empty string.
 369   std::vector<uint8_t> label;
 370   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 371
 372   std::string large_dummy_message(kModulusLengthBits / 8, 'A');
 373   std::vector<uint8_t> plaintext;
 374
 375   ASSERT_EQ(Status::OperationError(),
 376             Decrypt(op_algorithm,
 377                     private_key,
 378                     CryptoData(large_dummy_message),
 379                     &plaintext));
 380 }
 381
 382 TEST(WebCryptoRsaOaepTest, WrapUnwrapRawKey) {
 383   if (!SupportsRsaOaep()) {
 384     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 385     return;
 386   }
 387
 388   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 389       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 390   blink::WebCryptoKey public_key;
 391   blink::WebCryptoKey private_key;
 392
 393   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 394       HexStringToBytes(kPublicKeySpkiDerHex),
 395       HexStringToBytes(kPrivateKeyPkcs8DerHex),
 396       import_algorithm,
 397       false,
 398       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 399       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 400       &public_key,
 401       &private_key));
 402
 403   std::vector<uint8_t> label;
 404   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 405
 406   const std::string key_hex = "000102030405060708090A0B0C0D0E0F";
 407   const blink::WebCryptoAlgorithm key_algorithm =
 408       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 409
 410   blink::WebCryptoKey key =
 411       ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
 412                              key_algorithm,
 413                              blink::WebCryptoKeyUsageEncrypt);
 414   ASSERT_FALSE(key.isNull());
 415
 416   std::vector<uint8_t> wrapped_key;
 417   ASSERT_EQ(Status::Success(),
 418             WrapKey(blink::WebCryptoKeyFormatRaw,
 419                     key,
 420                     public_key,
 421                     wrapping_algorithm,
 422                     &wrapped_key));
 423
 424   // Verify that |wrapped_key| can be decrypted and yields the key data.
 425   // Because |private_key| supports both decrypt and unwrap, this is valid.
 426   std::vector<uint8_t> decrypted_key;
 427   ASSERT_EQ(Status::Success(),
 428             Decrypt(wrapping_algorithm,
 429                     private_key,
 430                     CryptoData(wrapped_key),
 431                     &decrypted_key));
 432   EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key);
 433
 434   // Now attempt to unwrap the key, which should also decrypt the data.
 435   blink::WebCryptoKey unwrapped_key;
 436   ASSERT_EQ(Status::Success(),
 437             UnwrapKey(blink::WebCryptoKeyFormatRaw,
 438                       CryptoData(wrapped_key),
 439                       private_key,
 440                       wrapping_algorithm,
 441                       key_algorithm,
 442                       true,
 443                       blink::WebCryptoKeyUsageEncrypt,
 444                       &unwrapped_key));
 445   ASSERT_FALSE(unwrapped_key.isNull());
 446
 447   std::vector<uint8_t> raw_key;
 448   ASSERT_EQ(Status::Success(),
 449             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 450   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 451 }
 452
 453 TEST(WebCryptoRsaOaepTest, WrapUnwrapJwkSymKey) {
 454   if (!SupportsRsaOaep()) {
 455     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 456     return;
 457   }
 458
 459   // The public and private portions of a 2048-bit RSA key with the
 460   // id-rsaEncryption OID
 461   const char kPublicKey2048SpkiDerHex[] =
 462       "30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce"
 463       "137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764"
 464       "f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68"
 465       "e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f"
 466       "7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08"
 467       "a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606"
 468       "36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca"
 469       "749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d"
 470       "5d0203010001";
 471   const char kPrivateKey2048Pkcs8DerHex[] =
 472       "308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201"
 473       "0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30"
 474       "0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448"
 475       "e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872"
 476       "458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34"
 477       "ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936"
 478       "52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7"
 479       "33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b"
 480       "557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3"
 481       "d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c"
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 483       "b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4"
 484       "9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62"
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 486       "0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339"
 487       "ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c"
 488       "54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3"
 489       "23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a"
 490       "4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c"
 491       "1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133"
 492       "bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622"
 493       "113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277"
 494       "ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5"
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 499       "2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562"
 500       "b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792"
 501       "0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab"
 502       "9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0"
 503       "0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca"
 504       "3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0"
 505       "37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b";
 506   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 507       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 508   blink::WebCryptoKey public_key;
 509   blink::WebCryptoKey private_key;
 510
 511   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 512       HexStringToBytes(kPublicKey2048SpkiDerHex),
 513       HexStringToBytes(kPrivateKey2048Pkcs8DerHex),
 514       import_algorithm,
 515       false,
 516       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 517       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 518       &public_key,
 519       &private_key));
 520
 521   std::vector<uint8_t> label;
 522   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 523
 524   const std::string key_hex = "000102030405060708090a0b0c0d0e0f";
 525   const blink::WebCryptoAlgorithm key_algorithm =
 526       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 527
 528   blink::WebCryptoKey key =
 529       ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
 530                              key_algorithm,
 531                              blink::WebCryptoKeyUsageEncrypt);
 532   ASSERT_FALSE(key.isNull());
 533
 534   std::vector<uint8_t> wrapped_key;
 535   ASSERT_EQ(Status::Success(),
 536             WrapKey(blink::WebCryptoKeyFormatJwk,
 537                     key,
 538                     public_key,
 539                     wrapping_algorithm,
 540                     &wrapped_key));
 541
 542   // Verify that |wrapped_key| can be decrypted and yields a valid JWK object.
 543   // Because |private_key| supports both decrypt and unwrap, this is valid.
 544   std::vector<uint8_t> decrypted_jwk;
 545   ASSERT_EQ(Status::Success(),
 546             Decrypt(wrapping_algorithm,
 547                     private_key,
 548                     CryptoData(wrapped_key),
 549                     &decrypted_jwk));
 550   EXPECT_TRUE(VerifySecretJwk(
 551       decrypted_jwk, "A128CBC", key_hex, blink::WebCryptoKeyUsageEncrypt));
 552
 553   // Now attempt to unwrap the key, which should also decrypt the data.
 554   blink::WebCryptoKey unwrapped_key;
 555   ASSERT_EQ(Status::Success(),
 556             UnwrapKey(blink::WebCryptoKeyFormatJwk,
 557                       CryptoData(wrapped_key),
 558                       private_key,
 559                       wrapping_algorithm,
 560                       key_algorithm,
 561                       true,
 562                       blink::WebCryptoKeyUsageEncrypt,
 563                       &unwrapped_key));
 564   ASSERT_FALSE(unwrapped_key.isNull());
 565
 566   std::vector<uint8_t> raw_key;
 567   ASSERT_EQ(Status::Success(),
 568             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 569   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 570 }
 571
 572 TEST(WebCryptoRsaOaepTest, ImportExportJwkRsaPublicKey) {
 573   if (!SupportsRsaOaep()) {
 574     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 575     return;
 576   }
 577
 578   struct TestCase {
 579     const blink::WebCryptoAlgorithmId hash;
 580     const blink::WebCryptoKeyUsageMask usage;
 581     const char* const jwk_alg;
 582   };
 583   const TestCase kTests[] = {{blink::WebCryptoAlgorithmIdSha1,
 584                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP"},
 585                              {blink::WebCryptoAlgorithmIdSha256,
 586                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-256"},
 587                              {blink::WebCryptoAlgorithmIdSha384,
 588                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-384"},
 589                              {blink::WebCryptoAlgorithmIdSha512,
 590                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-512"}};
 591
 592   for (size_t test_index = 0; test_index < arraysize(kTests); ++test_index) {
 593     SCOPED_TRACE(test_index);
 594     const TestCase& test = kTests[test_index];
 595
 596     const blink::WebCryptoAlgorithm import_algorithm =
 597         CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
 598                                        test.hash);
 599
 600     // Import the spki to create a public key
 601     blink::WebCryptoKey public_key;
 602     ASSERT_EQ(Status::Success(),
 603               ImportKey(blink::WebCryptoKeyFormatSpki,
 604                         CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)),
 605                         import_algorithm,
 606                         true,
 607                         test.usage,
 608                         &public_key));
 609
 610     // Export the public key as JWK and verify its contents
 611     std::vector<uint8_t> jwk;
 612     ASSERT_EQ(Status::Success(),
 613               ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk));
 614     EXPECT_TRUE(VerifyPublicJwk(jwk,
 615                                 test.jwk_alg,
 616                                 kPublicKeyModulusHex,
 617                                 kPublicKeyExponentHex,
 618                                 test.usage));
 619
 620     // Import the JWK back in to create a new key
 621     blink::WebCryptoKey public_key2;
 622     ASSERT_EQ(Status::Success(),
 623               ImportKey(blink::WebCryptoKeyFormatJwk,
 624                         CryptoData(jwk),
 625                         import_algorithm,
 626                         true,
 627                         test.usage,
 628                         &public_key2));
 629     ASSERT_TRUE(public_key2.handle());
 630     EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key2.type());
 631     EXPECT_TRUE(public_key2.extractable());
 632     EXPECT_EQ(import_algorithm.id(), public_key2.algorithm().id());
 633
 634     // TODO(eroman): Export the SPKI and verify matches.
 635   }
 636 }
 637
 638 }  // namespace
 639
 640 }  // namespace webcrypto
 641
 642 }  // namespace content