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/status.h"
  10 #include "content/child/webcrypto/test/test_helpers.h"
  11 #include "content/child/webcrypto/webcrypto_util.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
  14 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
  15
  16 namespace content {
  17
  18 namespace webcrypto {
  19
  20 namespace {
  21
  22 // Creates an RSA-OAEP algorithm
  23 blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm(
  24     const std::vector<uint8_t>& label) {
  25   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
  26       blink::WebCryptoAlgorithmIdRsaOaep,
  27       new blink::WebCryptoRsaOaepParams(
  28           !label.empty(), vector_as_array(&label), label.size()));
  29 }
  30
  31 scoped_ptr<base::DictionaryValue> CreatePublicKeyJwkDict() {
  32   scoped_ptr<base::DictionaryValue> jwk(new base::DictionaryValue());
  33   jwk->SetString("kty", "RSA");
  34   jwk->SetString("n",
  35                  Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyModulusHex)));
  36   jwk->SetString("e",
  37                  Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyExponentHex)));
  38   return jwk.Pass();
  39 }
  40
  41 // Import a PKCS#8 private key that uses RSAPrivateKey with the
  42 // id-rsaEncryption OID.
  43 TEST(WebCryptoRsaOaepTest, ImportPkcs8WithRsaEncryption) {
  44   if (!SupportsRsaOaep()) {
  45     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  46     return;
  47   }
  48
  49   blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
  50   ASSERT_EQ(Status::Success(),
  51             ImportKey(blink::WebCryptoKeyFormatPkcs8,
  52                       CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
  53                       CreateRsaHashedImportAlgorithm(
  54                           blink::WebCryptoAlgorithmIdRsaOaep,
  55                           blink::WebCryptoAlgorithmIdSha1),
  56                       true,
  57                       blink::WebCryptoKeyUsageDecrypt,
  58                       &private_key));
  59 }
  60
  61 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) {
  62   if (!SupportsRsaOaep()) {
  63     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  64     return;
  65   }
  66
  67   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  68
  69   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
  70   ASSERT_EQ(Status::Success(),
  71             ImportKeyJwkFromDict(*jwk.get(),
  72                                  CreateRsaHashedImportAlgorithm(
  73                                      blink::WebCryptoAlgorithmIdRsaOaep,
  74                                      blink::WebCryptoAlgorithmIdSha1),
  75                                  true,
  76                                  blink::WebCryptoKeyUsageEncrypt,
  77                                  &public_key));
  78 }
  79
  80 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) {
  81   if (!SupportsRsaOaep()) {
  82     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  83     return;
  84   }
  85
  86   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  87   jwk->SetString("alg", "RSA-OAEP");
  88
  89   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
  90   ASSERT_EQ(Status::Success(),
  91             ImportKeyJwkFromDict(*jwk.get(),
  92                                  CreateRsaHashedImportAlgorithm(
  93                                      blink::WebCryptoAlgorithmIdRsaOaep,
  94                                      blink::WebCryptoAlgorithmIdSha1),
  95                                  true,
  96                                  blink::WebCryptoKeyUsageEncrypt,
  97                                  &public_key));
  98 }
  99
 100 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) {
 101   if (!SupportsRsaOaep()) {
 102     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 103     return;
 104   }
 105
 106   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 107   jwk->SetString("alg", "RSA-OAEP-512");
 108
 109   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 110   ASSERT_EQ(Status::ErrorJwkAlgorithmInconsistent(),
 111             ImportKeyJwkFromDict(*jwk.get(),
 112                                  CreateRsaHashedImportAlgorithm(
 113                                      blink::WebCryptoAlgorithmIdRsaOaep,
 114                                      blink::WebCryptoAlgorithmIdSha1),
 115                                  true,
 116                                  blink::WebCryptoKeyUsageEncrypt,
 117                                  &public_key));
 118 }
 119
 120 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypeFails) {
 121   if (!SupportsRsaOaep()) {
 122     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 123     return;
 124   }
 125
 126   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 127   jwk->SetString("kty", "oct");
 128   jwk->SetString("alg", "RSA-OAEP");
 129
 130   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 131   ASSERT_EQ(Status::ErrorJwkUnexpectedKty("RSA"),
 132             ImportKeyJwkFromDict(*jwk.get(),
 133                                  CreateRsaHashedImportAlgorithm(
 134                                      blink::WebCryptoAlgorithmIdRsaOaep,
 135                                      blink::WebCryptoAlgorithmIdSha1),
 136                                  true,
 137                                  blink::WebCryptoKeyUsageEncrypt,
 138                                  &public_key));
 139 }
 140
 141 TEST(WebCryptoRsaOaepTest, ExportPublicJwk) {
 142   if (!SupportsRsaOaep()) {
 143     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 144     return;
 145   }
 146
 147   struct TestData {
 148     blink::WebCryptoAlgorithmId hash_alg;
 149     const char* expected_jwk_alg;
 150   } kTestData[] = {{blink::WebCryptoAlgorithmIdSha1, "RSA-OAEP"},
 151                    {blink::WebCryptoAlgorithmIdSha256, "RSA-OAEP-256"},
 152                    {blink::WebCryptoAlgorithmIdSha384, "RSA-OAEP-384"},
 153                    {blink::WebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}};
 154   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestData); ++i) {
 155     const TestData& test_data = kTestData[i];
 156     SCOPED_TRACE(test_data.expected_jwk_alg);
 157
 158     scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 159     jwk->SetString("alg", test_data.expected_jwk_alg);
 160
 161     // Import the key in a known-good format
 162     blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 163     ASSERT_EQ(Status::Success(),
 164               ImportKeyJwkFromDict(
 165                   *jwk.get(),
 166                   CreateRsaHashedImportAlgorithm(
 167                       blink::WebCryptoAlgorithmIdRsaOaep, test_data.hash_alg),
 168                   true,
 169                   blink::WebCryptoKeyUsageEncrypt,
 170                   &public_key));
 171
 172     // Now export the key as JWK and verify its contents
 173     std::vector<uint8_t> jwk_data;
 174     ASSERT_EQ(Status::Success(),
 175               ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk_data));
 176     EXPECT_TRUE(VerifyPublicJwk(jwk_data,
 177                                 test_data.expected_jwk_alg,
 178                                 kPublicKeyModulusHex,
 179                                 kPublicKeyExponentHex,
 180                                 blink::WebCryptoKeyUsageEncrypt));
 181   }
 182 }
 183
 184 TEST(WebCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) {
 185   if (!SupportsRsaOaep()) {
 186     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 187     return;
 188   }
 189
 190   scoped_ptr<base::ListValue> tests;
 191   ASSERT_TRUE(ReadJsonTestFileToList("rsa_oaep.json", &tests));
 192
 193   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
 194     SCOPED_TRACE(test_index);
 195
 196     base::DictionaryValue* test = NULL;
 197     ASSERT_TRUE(tests->GetDictionary(test_index, &test));
 198
 199     blink::WebCryptoAlgorithm digest_algorithm =
 200         GetDigestAlgorithm(test, "hash");
 201     ASSERT_FALSE(digest_algorithm.isNull());
 202     std::vector<uint8_t> public_key_der =
 203         GetBytesFromHexString(test, "public_key");
 204     std::vector<uint8_t> private_key_der =
 205         GetBytesFromHexString(test, "private_key");
 206     std::vector<uint8_t> ciphertext = GetBytesFromHexString(test, "ciphertext");
 207     std::vector<uint8_t> plaintext = GetBytesFromHexString(test, "plaintext");
 208     std::vector<uint8_t> label = GetBytesFromHexString(test, "label");
 209
 210     blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 211         blink::WebCryptoAlgorithmIdRsaOaep, digest_algorithm.id());
 212     blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 213     blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
 214
 215     ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(public_key_der,
 216                                              private_key_der,
 217                                              import_algorithm,
 218                                              false,
 219                                              blink::WebCryptoKeyUsageEncrypt,
 220                                              blink::WebCryptoKeyUsageDecrypt,
 221                                              &public_key,
 222                                              &private_key));
 223
 224     blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 225     std::vector<uint8_t> decrypted_data;
 226     ASSERT_EQ(Status::Success(),
 227               Decrypt(op_algorithm,
 228                       private_key,
 229                       CryptoData(ciphertext),
 230                       &decrypted_data));
 231     EXPECT_BYTES_EQ(plaintext, decrypted_data);
 232     std::vector<uint8_t> encrypted_data;
 233     ASSERT_EQ(
 234         Status::Success(),
 235         Encrypt(
 236             op_algorithm, public_key, CryptoData(plaintext), &encrypted_data));
 237     std::vector<uint8_t> redecrypted_data;
 238     ASSERT_EQ(Status::Success(),
 239               Decrypt(op_algorithm,
 240                       private_key,
 241                       CryptoData(encrypted_data),
 242                       &redecrypted_data));
 243     EXPECT_BYTES_EQ(plaintext, redecrypted_data);
 244   }
 245 }
 246
 247 TEST(WebCryptoRsaOaepTest, EncryptWithLargeMessageFails) {
 248   if (!SupportsRsaOaep()) {
 249     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 250     return;
 251   }
 252
 253   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha1;
 254   const size_t kHashSize = 20;
 255
 256   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 257
 258   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 259   ASSERT_EQ(Status::Success(),
 260             ImportKeyJwkFromDict(*jwk.get(),
 261                                  CreateRsaHashedImportAlgorithm(
 262                                      blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 263                                  true,
 264                                  blink::WebCryptoKeyUsageEncrypt,
 265                                  &public_key));
 266
 267   // The maximum size of an encrypted message is:
 268   //   modulus length
 269   //   - 1 (leading octet)
 270   //   - hash size (maskedSeed)
 271   //   - hash size (lHash portion of maskedDB)
 272   //   - 1 (at least one octet for the padding string)
 273   size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize);
 274
 275   // The label has no influence on the maximum message size. For simplicity,
 276   // use the empty string.
 277   std::vector<uint8_t> label;
 278   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 279
 280   // Test that a message just before the boundary succeeds.
 281   std::string large_message;
 282   large_message.resize(kMaxMessageSize - 1, 'A');
 283
 284   std::vector<uint8_t> ciphertext;
 285   ASSERT_EQ(
 286       Status::Success(),
 287       Encrypt(
 288           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 289
 290   // Test that a message at the boundary succeeds.
 291   large_message.resize(kMaxMessageSize, 'A');
 292   ciphertext.clear();
 293
 294   ASSERT_EQ(
 295       Status::Success(),
 296       Encrypt(
 297           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 298
 299   // Test that a message greater than the largest size fails.
 300   large_message.resize(kMaxMessageSize + 1, 'A');
 301   ciphertext.clear();
 302
 303   ASSERT_EQ(
 304       Status::OperationError(),
 305       Encrypt(
 306           op_algorithm, public_key, CryptoData(large_message), &ciphertext));
 307 }
 308
 309 // Ensures that if the selected hash algorithm for the RSA-OAEP message is too
 310 // large, then it is rejected, independent of the actual message to be
 311 // encrypted.
 312 // For example, a 1024-bit RSA key is too small to accomodate a message that
 313 // uses OAEP with SHA-512, since it requires 1040 bits to encode
 314 // (2 * hash size + 2 padding bytes).
 315 TEST(WebCryptoRsaOaepTest, EncryptWithLargeDigestFails) {
 316   if (!SupportsRsaOaep()) {
 317     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 318     return;
 319   }
 320
 321   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha512;
 322
 323   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 324
 325   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 326   ASSERT_EQ(Status::Success(),
 327             ImportKeyJwkFromDict(*jwk.get(),
 328                                  CreateRsaHashedImportAlgorithm(
 329                                      blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 330                                  true,
 331                                  blink::WebCryptoKeyUsageEncrypt,
 332                                  &public_key));
 333
 334   // The label has no influence on the maximum message size. For simplicity,
 335   // use the empty string.
 336   std::vector<uint8_t> label;
 337   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 338
 339   std::string small_message("A");
 340   std::vector<uint8_t> ciphertext;
 341   // This is an operation error, as the internal consistency checking of the
 342   // algorithm parameters is up to the implementation.
 343   ASSERT_EQ(
 344       Status::OperationError(),
 345       Encrypt(
 346           op_algorithm, public_key, CryptoData(small_message), &ciphertext));
 347 }
 348
 349 TEST(WebCryptoRsaOaepTest, DecryptWithLargeMessageFails) {
 350   if (!SupportsRsaOaep()) {
 351     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 352     return;
 353   }
 354
 355   blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
 356   ASSERT_EQ(Status::Success(),
 357             ImportKey(blink::WebCryptoKeyFormatPkcs8,
 358                       CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
 359                       CreateRsaHashedImportAlgorithm(
 360                           blink::WebCryptoAlgorithmIdRsaOaep,
 361                           blink::WebCryptoAlgorithmIdSha1),
 362                       true,
 363                       blink::WebCryptoKeyUsageDecrypt,
 364                       &private_key));
 365
 366   // The label has no influence on the maximum message size. For simplicity,
 367   // use the empty string.
 368   std::vector<uint8_t> label;
 369   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 370
 371   std::string large_dummy_message(kModulusLengthBits / 8, 'A');
 372   std::vector<uint8_t> plaintext;
 373
 374   ASSERT_EQ(Status::OperationError(),
 375             Decrypt(op_algorithm,
 376                     private_key,
 377                     CryptoData(large_dummy_message),
 378                     &plaintext));
 379 }
 380
 381 TEST(WebCryptoRsaOaepTest, WrapUnwrapRawKey) {
 382   if (!SupportsRsaOaep()) {
 383     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 384     return;
 385   }
 386
 387   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 388       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 389   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 390   blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
 391
 392   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 393       HexStringToBytes(kPublicKeySpkiDerHex),
 394       HexStringToBytes(kPrivateKeyPkcs8DerHex),
 395       import_algorithm,
 396       false,
 397       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 398       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 399       &public_key,
 400       &private_key));
 401
 402   std::vector<uint8_t> label;
 403   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 404
 405   const std::string key_hex = "000102030405060708090A0B0C0D0E0F";
 406   const blink::WebCryptoAlgorithm key_algorithm =
 407       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 408
 409   blink::WebCryptoKey key =
 410       ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
 411                              key_algorithm,
 412                              blink::WebCryptoKeyUsageEncrypt);
 413   ASSERT_FALSE(key.isNull());
 414
 415   std::vector<uint8_t> wrapped_key;
 416   ASSERT_EQ(Status::Success(),
 417             WrapKey(blink::WebCryptoKeyFormatRaw,
 418                     key,
 419                     public_key,
 420                     wrapping_algorithm,
 421                     &wrapped_key));
 422
 423   // Verify that |wrapped_key| can be decrypted and yields the key data.
 424   // Because |private_key| supports both decrypt and unwrap, this is valid.
 425   std::vector<uint8_t> decrypted_key;
 426   ASSERT_EQ(Status::Success(),
 427             Decrypt(wrapping_algorithm,
 428                     private_key,
 429                     CryptoData(wrapped_key),
 430                     &decrypted_key));
 431   EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key);
 432
 433   // Now attempt to unwrap the key, which should also decrypt the data.
 434   blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull();
 435   ASSERT_EQ(Status::Success(),
 436             UnwrapKey(blink::WebCryptoKeyFormatRaw,
 437                       CryptoData(wrapped_key),
 438                       private_key,
 439                       wrapping_algorithm,
 440                       key_algorithm,
 441                       true,
 442                       blink::WebCryptoKeyUsageEncrypt,
 443                       &unwrapped_key));
 444   ASSERT_FALSE(unwrapped_key.isNull());
 445
 446   std::vector<uint8_t> raw_key;
 447   ASSERT_EQ(Status::Success(),
 448             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 449   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 450 }
 451
 452 TEST(WebCryptoRsaOaepTest, WrapUnwrapJwkSymKey) {
 453   if (!SupportsRsaOaep()) {
 454     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 455     return;
 456   }
 457
 458   // The public and private portions of a 2048-bit RSA key with the
 459   // id-rsaEncryption OID
 460   const char kPublicKey2048SpkiDerHex[] =
 461       "30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce"
 462       "137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764"
 463       "f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68"
 464       "e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f"
 465       "7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08"
 466       "a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606"
 467       "36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca"
 468       "749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d"
 469       "5d0203010001";
 470   const char kPrivateKey2048Pkcs8DerHex[] =
 471       "308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201"
 472       "0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30"
 473       "0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448"
 474       "e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872"
 475       "458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34"
 476       "ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936"
 477       "52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7"
 478       "33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b"
 479       "557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3"
 480       "d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c"
 481       "f4145a1ad97b9edcd8a41c402bd9d8db10f62f43df854cdccbbb2100834f083f53ed6d42"
 482       "b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4"
 483       "9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62"
 484       "e7d47686129358914f3b8085f03698a650ab5b8c7e45813f2b0515ec05b6e5195b6a7c2a"
 485       "0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339"
 486       "ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c"
 487       "54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3"
 488       "23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a"
 489       "4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c"
 490       "1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133"
 491       "bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622"
 492       "113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277"
 493       "ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5"
 494       "aed9ba4d71b7502e6748a1ce247ecb7bd10c352d6d9256031cdf3c11a65e44b0b7ca2945"
 495       "134671195af84c6b3bb3d10ebf65ae916f38bd5dbc59a0ad1c69b8beaf57cb3a8335f19b"
 496       "c7117b576987b48331cd9fd3d1a293436b7bb5e1a35c6560de4b5688ea834367cb0997eb"
 497       "b578f59ed4cb724c47dba94d3b484c1876dcd70281807f15bc7d2406007cac2b138a96af"
 498       "2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562"
 499       "b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792"
 500       "0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab"
 501       "9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0"
 502       "0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca"
 503       "3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0"
 504       "37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b";
 505   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 506       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 507   blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
 508   blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
 509
 510   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 511       HexStringToBytes(kPublicKey2048SpkiDerHex),
 512       HexStringToBytes(kPrivateKey2048Pkcs8DerHex),
 513       import_algorithm,
 514       false,
 515       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 516       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 517       &public_key,
 518       &private_key));
 519
 520   std::vector<uint8_t> label;
 521   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 522
 523   const std::string key_hex = "000102030405060708090a0b0c0d0e0f";
 524   const blink::WebCryptoAlgorithm key_algorithm =
 525       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 526
 527   blink::WebCryptoKey key =
 528       ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
 529                              key_algorithm,
 530                              blink::WebCryptoKeyUsageEncrypt);
 531   ASSERT_FALSE(key.isNull());
 532
 533   std::vector<uint8_t> wrapped_key;
 534   ASSERT_EQ(Status::Success(),
 535             WrapKey(blink::WebCryptoKeyFormatJwk,
 536                     key,
 537                     public_key,
 538                     wrapping_algorithm,
 539                     &wrapped_key));
 540
 541   // Verify that |wrapped_key| can be decrypted and yields a valid JWK object.
 542   // Because |private_key| supports both decrypt and unwrap, this is valid.
 543   std::vector<uint8_t> decrypted_jwk;
 544   ASSERT_EQ(Status::Success(),
 545             Decrypt(wrapping_algorithm,
 546                     private_key,
 547                     CryptoData(wrapped_key),
 548                     &decrypted_jwk));
 549   EXPECT_TRUE(VerifySecretJwk(
 550       decrypted_jwk, "A128CBC", key_hex, blink::WebCryptoKeyUsageEncrypt));
 551
 552   // Now attempt to unwrap the key, which should also decrypt the data.
 553   blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull();
 554   ASSERT_EQ(Status::Success(),
 555             UnwrapKey(blink::WebCryptoKeyFormatJwk,
 556                       CryptoData(wrapped_key),
 557                       private_key,
 558                       wrapping_algorithm,
 559                       key_algorithm,
 560                       true,
 561                       blink::WebCryptoKeyUsageEncrypt,
 562                       &unwrapped_key));
 563   ASSERT_FALSE(unwrapped_key.isNull());
 564
 565   std::vector<uint8_t> raw_key;
 566   ASSERT_EQ(Status::Success(),
 567             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 568   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 569 }
 570
 571 TEST(WebCryptoRsaOaepTest, ImportExportJwkRsaPublicKey) {
 572   if (!SupportsRsaOaep()) {
 573     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 574     return;
 575   }
 576
 577   struct TestCase {
 578     const blink::WebCryptoAlgorithmId hash;
 579     const blink::WebCryptoKeyUsageMask usage;
 580     const char* const jwk_alg;
 581   };
 582   const TestCase kTests[] = {{blink::WebCryptoAlgorithmIdSha1,
 583                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP"},
 584                              {blink::WebCryptoAlgorithmIdSha256,
 585                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-256"},
 586                              {blink::WebCryptoAlgorithmIdSha384,
 587                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-384"},
 588                              {blink::WebCryptoAlgorithmIdSha512,
 589                               blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-512"}};
 590
 591   for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests);
 592        ++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 = blink::WebCryptoKey::createNull();
 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 = blink::WebCryptoKey::createNull();
 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