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(!label.empty(), vector_as_array(&label),
  29                                         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, blink::WebCryptoKeyUsageDecrypt, &private_key));
  58 }
  59
  60 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) {
  61   if (!SupportsRsaOaep()) {
  62     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  63     return;
  64   }
  65
  66   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  67
  68   blink::WebCryptoKey public_key;
  69   ASSERT_EQ(
  70       Status::Success(),
  71       ImportKeyJwkFromDict(*jwk.get(), CreateRsaHashedImportAlgorithm(
  72                                            blink::WebCryptoAlgorithmIdRsaOaep,
  73                                            blink::WebCryptoAlgorithmIdSha1),
  74                            true, blink::WebCryptoKeyUsageEncrypt, &public_key));
  75 }
  76
  77 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) {
  78   if (!SupportsRsaOaep()) {
  79     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  80     return;
  81   }
  82
  83   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
  84   jwk->SetString("alg", "RSA-OAEP");
  85
  86   blink::WebCryptoKey public_key;
  87   ASSERT_EQ(
  88       Status::Success(),
  89       ImportKeyJwkFromDict(*jwk.get(), CreateRsaHashedImportAlgorithm(
  90                                            blink::WebCryptoAlgorithmIdRsaOaep,
  91                                            blink::WebCryptoAlgorithmIdSha1),
  92                            true, blink::WebCryptoKeyUsageEncrypt, &public_key));
  93 }
  94
  95 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) {
  96   if (!SupportsRsaOaep()) {
  97     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
  98     return;
  99   }
 100
 101   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 102   jwk->SetString("alg", "RSA-OAEP-512");
 103
 104   blink::WebCryptoKey public_key;
 105   ASSERT_EQ(
 106       Status::ErrorJwkAlgorithmInconsistent(),
 107       ImportKeyJwkFromDict(*jwk.get(), CreateRsaHashedImportAlgorithm(
 108                                            blink::WebCryptoAlgorithmIdRsaOaep,
 109                                            blink::WebCryptoAlgorithmIdSha1),
 110                            true, blink::WebCryptoKeyUsageEncrypt, &public_key));
 111 }
 112
 113 TEST(WebCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypeFails) {
 114   if (!SupportsRsaOaep()) {
 115     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 116     return;
 117   }
 118
 119   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 120   jwk->SetString("kty", "oct");
 121   jwk->SetString("alg", "RSA-OAEP");
 122
 123   blink::WebCryptoKey public_key;
 124   ASSERT_EQ(
 125       Status::ErrorJwkUnexpectedKty("RSA"),
 126       ImportKeyJwkFromDict(*jwk.get(), CreateRsaHashedImportAlgorithm(
 127                                            blink::WebCryptoAlgorithmIdRsaOaep,
 128                                            blink::WebCryptoAlgorithmIdSha1),
 129                            true, blink::WebCryptoKeyUsageEncrypt, &public_key));
 130 }
 131
 132 TEST(WebCryptoRsaOaepTest, ExportPublicJwk) {
 133   if (!SupportsRsaOaep()) {
 134     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 135     return;
 136   }
 137
 138   struct TestData {
 139     blink::WebCryptoAlgorithmId hash_alg;
 140     const char* expected_jwk_alg;
 141   } kTestData[] = {{blink::WebCryptoAlgorithmIdSha1, "RSA-OAEP"},
 142                    {blink::WebCryptoAlgorithmIdSha256, "RSA-OAEP-256"},
 143                    {blink::WebCryptoAlgorithmIdSha384, "RSA-OAEP-384"},
 144                    {blink::WebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}};
 145   for (size_t i = 0; i < arraysize(kTestData); ++i) {
 146     const TestData& test_data = kTestData[i];
 147     SCOPED_TRACE(test_data.expected_jwk_alg);
 148
 149     scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 150     jwk->SetString("alg", test_data.expected_jwk_alg);
 151
 152     // Import the key in a known-good format
 153     blink::WebCryptoKey public_key;
 154     ASSERT_EQ(Status::Success(),
 155               ImportKeyJwkFromDict(
 156                   *jwk.get(),
 157                   CreateRsaHashedImportAlgorithm(
 158                       blink::WebCryptoAlgorithmIdRsaOaep, test_data.hash_alg),
 159                   true, blink::WebCryptoKeyUsageEncrypt, &public_key));
 160
 161     // Now export the key as JWK and verify its contents
 162     std::vector<uint8_t> jwk_data;
 163     ASSERT_EQ(Status::Success(),
 164               ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk_data));
 165     EXPECT_TRUE(VerifyPublicJwk(jwk_data, test_data.expected_jwk_alg,
 166                                 kPublicKeyModulusHex, kPublicKeyExponentHex,
 167                                 blink::WebCryptoKeyUsageEncrypt));
 168   }
 169 }
 170
 171 TEST(WebCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) {
 172   if (!SupportsRsaOaep()) {
 173     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 174     return;
 175   }
 176
 177   scoped_ptr<base::ListValue> tests;
 178   ASSERT_TRUE(ReadJsonTestFileToList("rsa_oaep.json", &tests));
 179
 180   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
 181     SCOPED_TRACE(test_index);
 182
 183     base::DictionaryValue* test = NULL;
 184     ASSERT_TRUE(tests->GetDictionary(test_index, &test));
 185
 186     blink::WebCryptoAlgorithm digest_algorithm =
 187         GetDigestAlgorithm(test, "hash");
 188     ASSERT_FALSE(digest_algorithm.isNull());
 189     std::vector<uint8_t> public_key_der =
 190         GetBytesFromHexString(test, "public_key");
 191     std::vector<uint8_t> private_key_der =
 192         GetBytesFromHexString(test, "private_key");
 193     std::vector<uint8_t> ciphertext = GetBytesFromHexString(test, "ciphertext");
 194     std::vector<uint8_t> plaintext = GetBytesFromHexString(test, "plaintext");
 195     std::vector<uint8_t> label = GetBytesFromHexString(test, "label");
 196
 197     blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 198         blink::WebCryptoAlgorithmIdRsaOaep, digest_algorithm.id());
 199     blink::WebCryptoKey public_key;
 200     blink::WebCryptoKey private_key;
 201
 202     ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 203         public_key_der, private_key_der, import_algorithm, false,
 204         blink::WebCryptoKeyUsageEncrypt, blink::WebCryptoKeyUsageDecrypt,
 205         &public_key, &private_key));
 206
 207     blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 208     std::vector<uint8_t> decrypted_data;
 209     ASSERT_EQ(Status::Success(),
 210               Decrypt(op_algorithm, private_key, CryptoData(ciphertext),
 211                       &decrypted_data));
 212     EXPECT_BYTES_EQ(plaintext, decrypted_data);
 213     std::vector<uint8_t> encrypted_data;
 214     ASSERT_EQ(Status::Success(),
 215               Encrypt(op_algorithm, public_key, CryptoData(plaintext),
 216                       &encrypted_data));
 217     std::vector<uint8_t> redecrypted_data;
 218     ASSERT_EQ(Status::Success(),
 219               Decrypt(op_algorithm, private_key, CryptoData(encrypted_data),
 220                       &redecrypted_data));
 221     EXPECT_BYTES_EQ(plaintext, redecrypted_data);
 222   }
 223 }
 224
 225 TEST(WebCryptoRsaOaepTest, EncryptWithLargeMessageFails) {
 226   if (!SupportsRsaOaep()) {
 227     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 228     return;
 229   }
 230
 231   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha1;
 232   const size_t kHashSize = 20;
 233
 234   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 235
 236   blink::WebCryptoKey public_key;
 237   ASSERT_EQ(Status::Success(),
 238             ImportKeyJwkFromDict(
 239                 *jwk.get(), CreateRsaHashedImportAlgorithm(
 240                                 blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 241                 true, blink::WebCryptoKeyUsageEncrypt, &public_key));
 242
 243   // The maximum size of an encrypted message is:
 244   //   modulus length
 245   //   - 1 (leading octet)
 246   //   - hash size (maskedSeed)
 247   //   - hash size (lHash portion of maskedDB)
 248   //   - 1 (at least one octet for the padding string)
 249   size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize);
 250
 251   // The label has no influence on the maximum message size. For simplicity,
 252   // use the empty string.
 253   std::vector<uint8_t> label;
 254   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 255
 256   // Test that a message just before the boundary succeeds.
 257   std::string large_message;
 258   large_message.resize(kMaxMessageSize - 1, 'A');
 259
 260   std::vector<uint8_t> ciphertext;
 261   ASSERT_EQ(Status::Success(), Encrypt(op_algorithm, public_key,
 262                                        CryptoData(large_message), &ciphertext));
 263
 264   // Test that a message at the boundary succeeds.
 265   large_message.resize(kMaxMessageSize, 'A');
 266   ciphertext.clear();
 267
 268   ASSERT_EQ(Status::Success(), Encrypt(op_algorithm, public_key,
 269                                        CryptoData(large_message), &ciphertext));
 270
 271   // Test that a message greater than the largest size fails.
 272   large_message.resize(kMaxMessageSize + 1, 'A');
 273   ciphertext.clear();
 274
 275   ASSERT_EQ(Status::OperationError(),
 276             Encrypt(op_algorithm, public_key, CryptoData(large_message),
 277                     &ciphertext));
 278 }
 279
 280 // Ensures that if the selected hash algorithm for the RSA-OAEP message is too
 281 // large, then it is rejected, independent of the actual message to be
 282 // encrypted.
 283 // For example, a 1024-bit RSA key is too small to accomodate a message that
 284 // uses OAEP with SHA-512, since it requires 1040 bits to encode
 285 // (2 * hash size + 2 padding bytes).
 286 TEST(WebCryptoRsaOaepTest, EncryptWithLargeDigestFails) {
 287   if (!SupportsRsaOaep()) {
 288     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 289     return;
 290   }
 291
 292   const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha512;
 293
 294   scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
 295
 296   blink::WebCryptoKey public_key;
 297   ASSERT_EQ(Status::Success(),
 298             ImportKeyJwkFromDict(
 299                 *jwk.get(), CreateRsaHashedImportAlgorithm(
 300                                 blink::WebCryptoAlgorithmIdRsaOaep, kHash),
 301                 true, blink::WebCryptoKeyUsageEncrypt, &public_key));
 302
 303   // The label has no influence on the maximum message size. For simplicity,
 304   // use the empty string.
 305   std::vector<uint8_t> label;
 306   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 307
 308   std::string small_message("A");
 309   std::vector<uint8_t> ciphertext;
 310   // This is an operation error, as the internal consistency checking of the
 311   // algorithm parameters is up to the implementation.
 312   ASSERT_EQ(Status::OperationError(),
 313             Encrypt(op_algorithm, public_key, CryptoData(small_message),
 314                     &ciphertext));
 315 }
 316
 317 TEST(WebCryptoRsaOaepTest, DecryptWithLargeMessageFails) {
 318   if (!SupportsRsaOaep()) {
 319     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 320     return;
 321   }
 322
 323   blink::WebCryptoKey private_key;
 324   ASSERT_EQ(Status::Success(),
 325             ImportKey(blink::WebCryptoKeyFormatPkcs8,
 326                       CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
 327                       CreateRsaHashedImportAlgorithm(
 328                           blink::WebCryptoAlgorithmIdRsaOaep,
 329                           blink::WebCryptoAlgorithmIdSha1),
 330                       true, blink::WebCryptoKeyUsageDecrypt, &private_key));
 331
 332   // The label has no influence on the maximum message size. For simplicity,
 333   // use the empty string.
 334   std::vector<uint8_t> label;
 335   blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
 336
 337   std::string large_dummy_message(kModulusLengthBits / 8, 'A');
 338   std::vector<uint8_t> plaintext;
 339
 340   ASSERT_EQ(Status::OperationError(),
 341             Decrypt(op_algorithm, private_key, CryptoData(large_dummy_message),
 342                     &plaintext));
 343 }
 344
 345 TEST(WebCryptoRsaOaepTest, WrapUnwrapRawKey) {
 346   if (!SupportsRsaOaep()) {
 347     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 348     return;
 349   }
 350
 351   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 352       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 353   blink::WebCryptoKey public_key;
 354   blink::WebCryptoKey private_key;
 355
 356   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 357       HexStringToBytes(kPublicKeySpkiDerHex),
 358       HexStringToBytes(kPrivateKeyPkcs8DerHex), import_algorithm, false,
 359       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 360       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 361       &public_key, &private_key));
 362
 363   std::vector<uint8_t> label;
 364   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 365
 366   const std::string key_hex = "000102030405060708090A0B0C0D0E0F";
 367   const blink::WebCryptoAlgorithm key_algorithm =
 368       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 369
 370   blink::WebCryptoKey key =
 371       ImportSecretKeyFromRaw(HexStringToBytes(key_hex), key_algorithm,
 372                              blink::WebCryptoKeyUsageEncrypt);
 373   ASSERT_FALSE(key.isNull());
 374
 375   std::vector<uint8_t> wrapped_key;
 376   ASSERT_EQ(Status::Success(),
 377             WrapKey(blink::WebCryptoKeyFormatRaw, key, public_key,
 378                     wrapping_algorithm, &wrapped_key));
 379
 380   // Verify that |wrapped_key| can be decrypted and yields the key data.
 381   // Because |private_key| supports both decrypt and unwrap, this is valid.
 382   std::vector<uint8_t> decrypted_key;
 383   ASSERT_EQ(Status::Success(),
 384             Decrypt(wrapping_algorithm, private_key, CryptoData(wrapped_key),
 385                     &decrypted_key));
 386   EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key);
 387
 388   // Now attempt to unwrap the key, which should also decrypt the data.
 389   blink::WebCryptoKey unwrapped_key;
 390   ASSERT_EQ(Status::Success(),
 391             UnwrapKey(blink::WebCryptoKeyFormatRaw, CryptoData(wrapped_key),
 392                       private_key, wrapping_algorithm, key_algorithm, true,
 393                       blink::WebCryptoKeyUsageEncrypt, &unwrapped_key));
 394   ASSERT_FALSE(unwrapped_key.isNull());
 395
 396   std::vector<uint8_t> raw_key;
 397   ASSERT_EQ(Status::Success(),
 398             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 399   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 400 }
 401
 402 TEST(WebCryptoRsaOaepTest, WrapUnwrapJwkSymKey) {
 403   if (!SupportsRsaOaep()) {
 404     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 405     return;
 406   }
 407
 408   // The public and private portions of a 2048-bit RSA key with the
 409   // id-rsaEncryption OID
 410   const char kPublicKey2048SpkiDerHex[] =
 411       "30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce"
 412       "137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764"
 413       "f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68"
 414       "e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f"
 415       "7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08"
 416       "a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606"
 417       "36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca"
 418       "749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d"
 419       "5d0203010001";
 420   const char kPrivateKey2048Pkcs8DerHex[] =
 421       "308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201"
 422       "0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30"
 423       "0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448"
 424       "e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872"
 425       "458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34"
 426       "ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936"
 427       "52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7"
 428       "33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b"
 429       "557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3"
 430       "d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c"
 431       "f4145a1ad97b9edcd8a41c402bd9d8db10f62f43df854cdccbbb2100834f083f53ed6d42"
 432       "b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4"
 433       "9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62"
 434       "e7d47686129358914f3b8085f03698a650ab5b8c7e45813f2b0515ec05b6e5195b6a7c2a"
 435       "0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339"
 436       "ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c"
 437       "54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3"
 438       "23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a"
 439       "4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c"
 440       "1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133"
 441       "bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622"
 442       "113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277"
 443       "ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5"
 444       "aed9ba4d71b7502e6748a1ce247ecb7bd10c352d6d9256031cdf3c11a65e44b0b7ca2945"
 445       "134671195af84c6b3bb3d10ebf65ae916f38bd5dbc59a0ad1c69b8beaf57cb3a8335f19b"
 446       "c7117b576987b48331cd9fd3d1a293436b7bb5e1a35c6560de4b5688ea834367cb0997eb"
 447       "b578f59ed4cb724c47dba94d3b484c1876dcd70281807f15bc7d2406007cac2b138a96af"
 448       "2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562"
 449       "b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792"
 450       "0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab"
 451       "9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0"
 452       "0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca"
 453       "3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0"
 454       "37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b";
 455   blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
 456       blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
 457   blink::WebCryptoKey public_key;
 458   blink::WebCryptoKey private_key;
 459
 460   ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
 461       HexStringToBytes(kPublicKey2048SpkiDerHex),
 462       HexStringToBytes(kPrivateKey2048Pkcs8DerHex), import_algorithm, false,
 463       blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageWrapKey,
 464       blink::WebCryptoKeyUsageDecrypt | blink::WebCryptoKeyUsageUnwrapKey,
 465       &public_key, &private_key));
 466
 467   std::vector<uint8_t> label;
 468   blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
 469
 470   const std::string key_hex = "000102030405060708090a0b0c0d0e0f";
 471   const blink::WebCryptoAlgorithm key_algorithm =
 472       CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
 473
 474   blink::WebCryptoKey key =
 475       ImportSecretKeyFromRaw(HexStringToBytes(key_hex), key_algorithm,
 476                              blink::WebCryptoKeyUsageEncrypt);
 477   ASSERT_FALSE(key.isNull());
 478
 479   std::vector<uint8_t> wrapped_key;
 480   ASSERT_EQ(Status::Success(),
 481             WrapKey(blink::WebCryptoKeyFormatJwk, key, public_key,
 482                     wrapping_algorithm, &wrapped_key));
 483
 484   // Verify that |wrapped_key| can be decrypted and yields a valid JWK object.
 485   // Because |private_key| supports both decrypt and unwrap, this is valid.
 486   std::vector<uint8_t> decrypted_jwk;
 487   ASSERT_EQ(Status::Success(),
 488             Decrypt(wrapping_algorithm, private_key, CryptoData(wrapped_key),
 489                     &decrypted_jwk));
 490   EXPECT_TRUE(VerifySecretJwk(decrypted_jwk, "A128CBC", key_hex,
 491                               blink::WebCryptoKeyUsageEncrypt));
 492
 493   // Now attempt to unwrap the key, which should also decrypt the data.
 494   blink::WebCryptoKey unwrapped_key;
 495   ASSERT_EQ(Status::Success(),
 496             UnwrapKey(blink::WebCryptoKeyFormatJwk, CryptoData(wrapped_key),
 497                       private_key, wrapping_algorithm, key_algorithm, true,
 498                       blink::WebCryptoKeyUsageEncrypt, &unwrapped_key));
 499   ASSERT_FALSE(unwrapped_key.isNull());
 500
 501   std::vector<uint8_t> raw_key;
 502   ASSERT_EQ(Status::Success(),
 503             ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
 504   EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
 505 }
 506
 507 TEST(WebCryptoRsaOaepTest, ImportExportJwkRsaPublicKey) {
 508   if (!SupportsRsaOaep()) {
 509     LOG(WARNING) << "RSA-OAEP support not present; skipping.";
 510     return;
 511   }
 512
 513   struct TestCase {
 514     const blink::WebCryptoAlgorithmId hash;
 515     const blink::WebCryptoKeyUsageMask usage;
 516     const char* const jwk_alg;
 517   };
 518   const TestCase kTests[] = {{blink::WebCryptoAlgorithmIdSha1,
 519                               blink::WebCryptoKeyUsageEncrypt,
 520                               "RSA-OAEP"},
 521                              {blink::WebCryptoAlgorithmIdSha256,
 522                               blink::WebCryptoKeyUsageEncrypt,
 523                               "RSA-OAEP-256"},
 524                              {blink::WebCryptoAlgorithmIdSha384,
 525                               blink::WebCryptoKeyUsageEncrypt,
 526                               "RSA-OAEP-384"},
 527                              {blink::WebCryptoAlgorithmIdSha512,
 528                               blink::WebCryptoKeyUsageEncrypt,
 529                               "RSA-OAEP-512"}};
 530
 531   for (size_t test_index = 0; test_index < arraysize(kTests); ++test_index) {
 532     SCOPED_TRACE(test_index);
 533     const TestCase& test = kTests[test_index];
 534
 535     const blink::WebCryptoAlgorithm import_algorithm =
 536         CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
 537                                        test.hash);
 538
 539     // Import the spki to create a public key
 540     blink::WebCryptoKey public_key;
 541     ASSERT_EQ(Status::Success(),
 542               ImportKey(blink::WebCryptoKeyFormatSpki,
 543                         CryptoData(HexStringToBytes(kPublicKeySpkiDerHex)),
 544                         import_algorithm, true, test.usage, &public_key));
 545
 546     // Export the public key as JWK and verify its contents
 547     std::vector<uint8_t> jwk;
 548     ASSERT_EQ(Status::Success(),
 549               ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk));
 550     EXPECT_TRUE(VerifyPublicJwk(jwk, test.jwk_alg, kPublicKeyModulusHex,
 551                                 kPublicKeyExponentHex, test.usage));
 552
 553     // Import the JWK back in to create a new key
 554     blink::WebCryptoKey public_key2;
 555     ASSERT_EQ(Status::Success(),
 556               ImportKey(blink::WebCryptoKeyFormatJwk, CryptoData(jwk),
 557                         import_algorithm, true, test.usage, &public_key2));
 558     ASSERT_TRUE(public_key2.handle());
 559     EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key2.type());
 560     EXPECT_TRUE(public_key2.extractable());
 561     EXPECT_EQ(import_algorithm.id(), public_key2.algorithm().id());
 562
 563     // TODO(eroman): Export the SPKI and verify matches.
 564   }
 565 }
 566
 567 }  // namespace
 568
 569 }  // namespace webcrypto
 570
 571 }  // namespace content