| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/renderer/webcrypto/webcrypto_impl.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "content/renderer/webcrypto/crypto_data.h" | |
| 9 #include "content/renderer/webcrypto/shared_crypto.h" | |
| 10 #include "content/renderer/webcrypto/webcrypto_util.h" | |
| 11 #include "third_party/WebKit/public/platform/WebString.h" | |
| 12 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | |
| 13 | |
| 14 namespace content { | |
| 15 | |
| 16 using webcrypto::Status; | |
| 17 | |
| 18 namespace { | |
| 19 | |
| 20 void CompleteWithError(const Status& status, blink::WebCryptoResult* result) { | |
| 21 DCHECK(status.IsError()); | |
| 22 if (status.HasErrorDetails()) | |
| 23 result->completeWithError(blink::WebString::fromUTF8(status.ToString())); | |
| 24 else | |
| 25 result->completeWithError(); | |
| 26 } | |
| 27 | |
| 28 bool IsAlgorithmAsymmetric(const blink::WebCryptoAlgorithm& algorithm) { | |
| 29 // TODO(padolph): include all other asymmetric algorithms once they are | |
| 30 // defined, e.g. EC and DH. | |
| 31 return (algorithm.id() == blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5 || | |
| 32 algorithm.id() == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 || | |
| 33 algorithm.id() == blink::WebCryptoAlgorithmIdRsaOaep); | |
| 34 } | |
| 35 | |
| 36 } // namespace | |
| 37 | |
| 38 WebCryptoImpl::WebCryptoImpl() { webcrypto::Init(); } | |
| 39 | |
| 40 WebCryptoImpl::~WebCryptoImpl() {} | |
| 41 | |
| 42 void WebCryptoImpl::encrypt(const blink::WebCryptoAlgorithm& algorithm, | |
| 43 const blink::WebCryptoKey& key, | |
| 44 const unsigned char* data, | |
| 45 unsigned int data_size, | |
| 46 blink::WebCryptoResult result) { | |
| 47 DCHECK(!algorithm.isNull()); | |
| 48 blink::WebArrayBuffer buffer; | |
| 49 Status status = webcrypto::Encrypt( | |
| 50 algorithm, key, webcrypto::CryptoData(data, data_size), &buffer); | |
| 51 if (status.IsError()) | |
| 52 CompleteWithError(status, &result); | |
| 53 else | |
| 54 result.completeWithBuffer(buffer); | |
| 55 } | |
| 56 | |
| 57 void WebCryptoImpl::decrypt(const blink::WebCryptoAlgorithm& algorithm, | |
| 58 const blink::WebCryptoKey& key, | |
| 59 const unsigned char* data, | |
| 60 unsigned int data_size, | |
| 61 blink::WebCryptoResult result) { | |
| 62 DCHECK(!algorithm.isNull()); | |
| 63 blink::WebArrayBuffer buffer; | |
| 64 Status status = webcrypto::Decrypt( | |
| 65 algorithm, key, webcrypto::CryptoData(data, data_size), &buffer); | |
| 66 if (status.IsError()) | |
| 67 CompleteWithError(status, &result); | |
| 68 else | |
| 69 result.completeWithBuffer(buffer); | |
| 70 } | |
| 71 | |
| 72 void WebCryptoImpl::digest(const blink::WebCryptoAlgorithm& algorithm, | |
| 73 const unsigned char* data, | |
| 74 unsigned int data_size, | |
| 75 blink::WebCryptoResult result) { | |
| 76 DCHECK(!algorithm.isNull()); | |
| 77 blink::WebArrayBuffer buffer; | |
| 78 Status status = webcrypto::Digest( | |
| 79 algorithm, webcrypto::CryptoData(data, data_size), &buffer); | |
| 80 if (status.IsError()) | |
| 81 CompleteWithError(status, &result); | |
| 82 else | |
| 83 result.completeWithBuffer(buffer); | |
| 84 } | |
| 85 | |
| 86 void WebCryptoImpl::generateKey(const blink::WebCryptoAlgorithm& algorithm, | |
| 87 bool extractable, | |
| 88 blink::WebCryptoKeyUsageMask usage_mask, | |
| 89 blink::WebCryptoResult result) { | |
| 90 DCHECK(!algorithm.isNull()); | |
| 91 if (IsAlgorithmAsymmetric(algorithm)) { | |
| 92 blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull(); | |
| 93 blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull(); | |
| 94 Status status = webcrypto::GenerateKeyPair( | |
| 95 algorithm, extractable, usage_mask, &public_key, &private_key); | |
| 96 if (status.IsError()) { | |
| 97 CompleteWithError(status, &result); | |
| 98 } else { | |
| 99 DCHECK(public_key.handle()); | |
| 100 DCHECK(private_key.handle()); | |
| 101 DCHECK_EQ(algorithm.id(), public_key.algorithm().id()); | |
| 102 DCHECK_EQ(algorithm.id(), private_key.algorithm().id()); | |
| 103 DCHECK_EQ(true, public_key.extractable()); | |
| 104 DCHECK_EQ(extractable, private_key.extractable()); | |
| 105 DCHECK_EQ(usage_mask, public_key.usages()); | |
| 106 DCHECK_EQ(usage_mask, private_key.usages()); | |
| 107 result.completeWithKeyPair(public_key, private_key); | |
| 108 } | |
| 109 } else { | |
| 110 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 111 Status status = | |
| 112 webcrypto::GenerateSecretKey(algorithm, extractable, usage_mask, &key); | |
| 113 if (status.IsError()) { | |
| 114 CompleteWithError(status, &result); | |
| 115 } else { | |
| 116 DCHECK(key.handle()); | |
| 117 DCHECK_EQ(algorithm.id(), key.algorithm().id()); | |
| 118 DCHECK_EQ(extractable, key.extractable()); | |
| 119 DCHECK_EQ(usage_mask, key.usages()); | |
| 120 result.completeWithKey(key); | |
| 121 } | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 void WebCryptoImpl::importKey( | |
| 126 blink::WebCryptoKeyFormat format, | |
| 127 const unsigned char* key_data, | |
| 128 unsigned int key_data_size, | |
| 129 const blink::WebCryptoAlgorithm& algorithm_or_null, | |
| 130 bool extractable, | |
| 131 blink::WebCryptoKeyUsageMask usage_mask, | |
| 132 blink::WebCryptoResult result) { | |
| 133 blink::WebCryptoKey key = blink::WebCryptoKey::createNull(); | |
| 134 Status status = | |
| 135 webcrypto::ImportKey(format, | |
| 136 webcrypto::CryptoData(key_data, key_data_size), | |
| 137 algorithm_or_null, | |
| 138 extractable, | |
| 139 usage_mask, | |
| 140 &key); | |
| 141 if (status.IsError()) { | |
| 142 CompleteWithError(status, &result); | |
| 143 } else { | |
| 144 DCHECK(key.handle()); | |
| 145 DCHECK(!key.algorithm().isNull()); | |
| 146 DCHECK_EQ(extractable, key.extractable()); | |
| 147 result.completeWithKey(key); | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 void WebCryptoImpl::exportKey(blink::WebCryptoKeyFormat format, | |
| 152 const blink::WebCryptoKey& key, | |
| 153 blink::WebCryptoResult result) { | |
| 154 blink::WebArrayBuffer buffer; | |
| 155 Status status = webcrypto::ExportKey(format, key, &buffer); | |
| 156 if (status.IsError()) | |
| 157 CompleteWithError(status, &result); | |
| 158 else | |
| 159 result.completeWithBuffer(buffer); | |
| 160 } | |
| 161 | |
| 162 void WebCryptoImpl::sign(const blink::WebCryptoAlgorithm& algorithm, | |
| 163 const blink::WebCryptoKey& key, | |
| 164 const unsigned char* data, | |
| 165 unsigned int data_size, | |
| 166 blink::WebCryptoResult result) { | |
| 167 DCHECK(!algorithm.isNull()); | |
| 168 blink::WebArrayBuffer buffer; | |
| 169 Status status = webcrypto::Sign( | |
| 170 algorithm, key, webcrypto::CryptoData(data, data_size), &buffer); | |
| 171 if (status.IsError()) | |
| 172 CompleteWithError(status, &result); | |
| 173 else | |
| 174 result.completeWithBuffer(buffer); | |
| 175 } | |
| 176 | |
| 177 void WebCryptoImpl::verifySignature(const blink::WebCryptoAlgorithm& algorithm, | |
| 178 const blink::WebCryptoKey& key, | |
| 179 const unsigned char* signature, | |
| 180 unsigned int signature_size, | |
| 181 const unsigned char* data, | |
| 182 unsigned int data_size, | |
| 183 blink::WebCryptoResult result) { | |
| 184 DCHECK(!algorithm.isNull()); | |
| 185 bool signature_match = false; | |
| 186 Status status = webcrypto::VerifySignature( | |
| 187 algorithm, | |
| 188 key, | |
| 189 webcrypto::CryptoData(signature, signature_size), | |
| 190 webcrypto::CryptoData(data, data_size), | |
| 191 &signature_match); | |
| 192 if (status.IsError()) | |
| 193 CompleteWithError(status, &result); | |
| 194 else | |
| 195 result.completeWithBoolean(signature_match); | |
| 196 } | |
| 197 | |
| 198 bool WebCryptoImpl::digestSynchronous( | |
| 199 const blink::WebCryptoAlgorithmId algorithm_id, | |
| 200 const unsigned char* data, | |
| 201 unsigned int data_size, | |
| 202 blink::WebArrayBuffer& result) { | |
| 203 blink::WebCryptoAlgorithm algorithm = | |
| 204 blink::WebCryptoAlgorithm::adoptParamsAndCreate(algorithm_id, NULL); | |
| 205 return (webcrypto::Digest( | |
| 206 algorithm, webcrypto::CryptoData(data, data_size), &result)) | |
| 207 .IsSuccess(); | |
| 208 } | |
| 209 | |
| 210 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 188203003:
Move webcrypto to child/ and add support to worker_webkitplatformsupport. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src