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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/logging.h" | |
| 6 #include "base/stl_util.h" | |
| 7 #include "components/webcrypto/algorithm_dispatch.h" | |
| 8 #include "components/webcrypto/crypto_data.h" | |
| 9 #include "components/webcrypto/jwk.h" | |
| 10 #include "components/webcrypto/status.h" | |
| 11 #include "components/webcrypto/test/test_helpers.h" | |
| 12 #include "components/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/WebCryptoKey.h" | |
| 16 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | |
| 17 | |
| 18 namespace webcrypto { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 bool SupportsRsaPss() { | |
| 23 #if defined(USE_OPENSSL) | |
| 24 return true; | |
| 25 #else | |
| 26 return false; | |
| 27 #endif | |
| 28 } | |
| 29 | |
| 30 blink::WebCryptoAlgorithm CreateRsaPssAlgorithm( | |
| 31 unsigned int salt_length_bytes) { | |
| 32 return blink::WebCryptoAlgorithm::adoptParamsAndCreate( | |
| 33 blink::WebCryptoAlgorithmIdRsaPss, | |
| 34 new blink::WebCryptoRsaPssParams(salt_length_bytes)); | |
| 35 } | |
| 36 | |
| 37 // Test that no two RSA-PSS signatures are identical, when using a non-zero | |
| 38 // lengthed salt. | |
| 39 TEST(WebCryptoRsaPssTest, SignIsRandom) { | |
| 40 if (!SupportsRsaPss()) { | |
| 41 LOG(WARNING) << "Skipping test because RSA-PSS is not supported"; | |
| 42 return; | |
| 43 } | |
| 44 | |
| 45 // Import public/private key pair. | |
| 46 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 47 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 48 | |
| 49 ImportRsaKeyPair( | |
| 50 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 51 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 52 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaPss, | |
| 53 blink::WebCryptoAlgorithmIdSha1), | |
| 54 true, blink::WebCryptoKeyUsageVerify, blink::WebCryptoKeyUsageSign, | |
| 55 &public_key, &private_key); | |
| 56 | |
| 57 // Use a 20-byte length salt. | |
| 58 blink::WebCryptoAlgorithm params = CreateRsaPssAlgorithm(20); | |
| 59 | |
| 60 // Some random message to sign. | |
| 61 std::vector<uint8_t> message = HexStringToBytes(kPublicKeySpkiDerHex); | |
| 62 | |
| 63 // Sign twice. | |
| 64 std::vector<uint8_t> signature1; | |
| 65 std::vector<uint8_t> signature2; | |
| 66 | |
| 67 ASSERT_EQ(Status::Success(), | |
| 68 Sign(params, private_key, CryptoData(message), &signature1)); | |
| 69 ASSERT_EQ(Status::Success(), | |
| 70 Sign(params, private_key, CryptoData(message), &signature2)); | |
| 71 | |
| 72 // The signatures will be different because of the salt. | |
| 73 EXPECT_NE(CryptoData(signature1), CryptoData(signature2)); | |
| 74 | |
| 75 // However both signatures should work when verifying. | |
| 76 bool is_match = false; | |
| 77 | |
| 78 ASSERT_EQ(Status::Success(), | |
| 79 Verify(params, public_key, CryptoData(signature1), | |
| 80 CryptoData(message), &is_match)); | |
| 81 EXPECT_TRUE(is_match); | |
| 82 | |
| 83 ASSERT_EQ(Status::Success(), | |
| 84 Verify(params, public_key, CryptoData(signature2), | |
| 85 CryptoData(message), &is_match)); | |
| 86 EXPECT_TRUE(is_match); | |
| 87 | |
| 88 // Corrupt the signature and verification must fail. | |
| 89 ASSERT_EQ(Status::Success(), | |
| 90 Verify(params, public_key, CryptoData(Corrupted(signature2)), | |
| 91 CryptoData(message), &is_match)); | |
| 92 EXPECT_FALSE(is_match); | |
| 93 } | |
| 94 | |
| 95 // Try signing and verifying when the salt length is 0. The signature in this | |
| 96 // case is not random. | |
| 97 TEST(WebCryptoRsaPssTest, SignVerifyNoSalt) { | |
| 98 if (!SupportsRsaPss()) { | |
| 99 LOG(WARNING) << "Skipping test because RSA-PSS is not supported"; | |
| 100 return; | |
| 101 } | |
| 102 | |
| 103 // Import public/private key pair. | |
| 104 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 105 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 106 | |
| 107 ImportRsaKeyPair( | |
| 108 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 109 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 110 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaPss, | |
| 111 blink::WebCryptoAlgorithmIdSha1), | |
| 112 true, blink::WebCryptoKeyUsageVerify, blink::WebCryptoKeyUsageSign, | |
| 113 &public_key, &private_key); | |
| 114 | |
| 115 // Zero-length salt. | |
| 116 blink::WebCryptoAlgorithm params = CreateRsaPssAlgorithm(0); | |
| 117 | |
| 118 // Some random message to sign. | |
| 119 std::vector<uint8_t> message = HexStringToBytes(kPublicKeySpkiDerHex); | |
| 120 | |
| 121 // Sign twice. | |
| 122 std::vector<uint8_t> signature1; | |
| 123 std::vector<uint8_t> signature2; | |
| 124 | |
| 125 ASSERT_EQ(Status::Success(), | |
| 126 Sign(params, private_key, CryptoData(message), &signature1)); | |
| 127 ASSERT_EQ(Status::Success(), | |
| 128 Sign(params, private_key, CryptoData(message), &signature2)); | |
| 129 | |
| 130 // The signatures will be the same this time. | |
| 131 EXPECT_EQ(CryptoData(signature1), CryptoData(signature2)); | |
| 132 | |
| 133 // Make sure that verification works. | |
| 134 bool is_match = false; | |
| 135 ASSERT_EQ(Status::Success(), | |
| 136 Verify(params, public_key, CryptoData(signature1), | |
| 137 CryptoData(message), &is_match)); | |
| 138 EXPECT_TRUE(is_match); | |
| 139 | |
| 140 // Corrupt the signature and verification must fail. | |
| 141 ASSERT_EQ(Status::Success(), | |
| 142 Verify(params, public_key, CryptoData(Corrupted(signature2)), | |
| 143 CryptoData(message), &is_match)); | |
| 144 EXPECT_FALSE(is_match); | |
| 145 } | |
| 146 | |
| 147 TEST(WebCryptoRsaPssTest, SignEmptyMessage) { | |
| 148 if (!SupportsRsaPss()) { | |
| 149 LOG(WARNING) << "Skipping test because RSA-PSS is not supported"; | |
| 150 return; | |
| 151 } | |
| 152 | |
| 153 // Import public/private key pair. | |
| 154 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 155 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 156 | |
| 157 ImportRsaKeyPair( | |
| 158 HexStringToBytes(kPublicKeySpkiDerHex), | |
| 159 HexStringToBytes(kPrivateKeyPkcs8DerHex), | |
| 160 CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaPss, | |
| 161 blink::WebCryptoAlgorithmIdSha1), | |
| 162 true, blink::WebCryptoKeyUsageVerify, blink::WebCryptoKeyUsageSign, | |
| 163 &public_key, &private_key); | |
| 164 | |
| 165 blink::WebCryptoAlgorithm params = CreateRsaPssAlgorithm(20); | |
| 166 std::vector<uint8_t> message; // Empty message. | |
| 167 std::vector<uint8_t> signature; | |
| 168 | |
| 169 ASSERT_EQ(Status::Success(), | |
| 170 Sign(params, private_key, CryptoData(message), &signature)); | |
| 171 | |
| 172 // Make sure that verification works. | |
| 173 bool is_match = false; | |
| 174 ASSERT_EQ(Status::Success(), Verify(params, public_key, CryptoData(signature), | |
| 175 CryptoData(message), &is_match)); | |
| 176 EXPECT_TRUE(is_match); | |
| 177 | |
| 178 // Corrupt the signature and verification must fail. | |
| 179 ASSERT_EQ(Status::Success(), | |
| 180 Verify(params, public_key, CryptoData(Corrupted(signature)), | |
| 181 CryptoData(message), &is_match)); | |
| 182 EXPECT_FALSE(is_match); | |
| 183 } | |
| 184 | |
| 185 // Iterate through known answers and test verification. | |
| 186 // * Verify over original message should succeed | |
| 187 // * Verify over corrupted message should fail | |
| 188 // * Verification with corrupted signature should fail | |
| 189 TEST(WebCryptoRsaPssTest, VerifyKnownAnswer) { | |
| 190 if (!SupportsRsaPss()) { | |
| 191 LOG(WARNING) << "Skipping test because RSA-PSS is not supported"; | |
| 192 return; | |
| 193 } | |
| 194 | |
| 195 scoped_ptr<base::DictionaryValue> test_data; | |
| 196 ASSERT_TRUE(ReadJsonTestFileToDictionary("rsa_pss.json", &test_data)); | |
| 197 | |
| 198 const base::DictionaryValue* keys_dict = NULL; | |
| 199 ASSERT_TRUE(test_data->GetDictionary("keys", &keys_dict)); | |
| 200 | |
| 201 const base::ListValue* tests = NULL; | |
| 202 ASSERT_TRUE(test_data->GetList("tests", &tests)); | |
| 203 | |
| 204 for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) { | |
| 205 SCOPED_TRACE(test_index); | |
| 206 | |
| 207 const base::DictionaryValue* test; | |
| 208 ASSERT_TRUE(tests->GetDictionary(test_index, &test)); | |
| 209 | |
| 210 blink::WebCryptoAlgorithm hash = GetDigestAlgorithm(test, "hash"); | |
| 211 | |
| 212 std::string key_name; | |
| 213 ASSERT_TRUE(test->GetString("key", &key_name)); | |
| 214 | |
| 215 // Import the public key. | |
| 216 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 217 std::vector<uint8_t> spki_bytes = | |
| 218 GetBytesFromHexString(keys_dict, key_name); | |
| 219 | |
| 220 ASSERT_EQ(Status::Success(), | |
| 221 ImportKey(blink::WebCryptoKeyFormatSpki, CryptoData(spki_bytes), | |
| 222 CreateRsaHashedImportAlgorithm( | |
| 223 blink::WebCryptoAlgorithmIdRsaPss, hash.id()), | |
| 224 true, blink::WebCryptoKeyUsageVerify, &public_key)); | |
| 225 | |
| 226 int saltLength; | |
| 227 ASSERT_TRUE(test->GetInteger("saltLength", &saltLength)); | |
| 228 | |
| 229 std::vector<uint8_t> message = GetBytesFromHexString(test, "message"); | |
| 230 std::vector<uint8_t> signature = GetBytesFromHexString(test, "signature"); | |
| 231 | |
| 232 // Test that verification returns true when it should. | |
| 233 bool is_match = false; | |
| 234 ASSERT_EQ(Status::Success(), | |
| 235 Verify(CreateRsaPssAlgorithm(saltLength), public_key, | |
| 236 CryptoData(signature), CryptoData(message), &is_match)); | |
| 237 EXPECT_TRUE(is_match); | |
| 238 | |
| 239 // Corrupt the message and make sure that verification fails. | |
| 240 ASSERT_EQ(Status::Success(), | |
| 241 Verify(CreateRsaPssAlgorithm(saltLength), public_key, | |
| 242 CryptoData(signature), CryptoData(Corrupted(message)), | |
| 243 &is_match)); | |
| 244 EXPECT_FALSE(is_match); | |
| 245 | |
| 246 // Corrupt the signature and make sure that verification fails. | |
| 247 ASSERT_EQ(Status::Success(), | |
| 248 Verify(CreateRsaPssAlgorithm(saltLength), public_key, | |
| 249 CryptoData(Corrupted(signature)), CryptoData(message), | |
| 250 &is_match)); | |
| 251 EXPECT_FALSE(is_match); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 } // namespace | |
| 256 | |
| 257 } // namespace webcrypto | |
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Chromium Code Reviews
Issue 1304063015:
[refactor] Rename the webcrypto/openssl and webcrypto/test directories. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@jwk_refactor