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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <algorithm> | 5 #include <algorithm> |
| 6 #include <functional> | 6 #include <functional> |
| 7 #include <map> | 7 #include <map> |
| 8 #include "base/json/json_reader.h" | 8 #include "base/json/json_reader.h" |
| 9 #include "base/lazy_instance.h" | 9 #include "base/lazy_instance.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/strings/string_piece.h" | 12 #include "base/strings/string_piece.h" |
| 13 #include "base/values.h" | 13 #include "base/values.h" |
| 14 #include "content/renderer/webcrypto/crypto_data.h" | 14 #include "content/renderer/webcrypto/crypto_data.h" |
| 15 #include "content/renderer/webcrypto/platform_crypto.h" | 15 #include "content/renderer/webcrypto/platform_crypto.h" |
| 16 #include "content/renderer/webcrypto/shared_crypto.h" | 16 #include "content/renderer/webcrypto/shared_crypto.h" |
| 17 #include "content/renderer/webcrypto/webcrypto_util.h" | 17 #include "content/renderer/webcrypto/webcrypto_util.h" |
| 18 #include "third_party/WebKit/public/platform/WebCrypto.h" // TODO(eroman): dele
te | |
| 19 | 18 |
| 20 namespace content { | 19 namespace content { |
| 21 | 20 |
| 22 namespace webcrypto { | 21 namespace webcrypto { |
| 23 | 22 |
| 24 namespace { | 23 namespace { |
| 25 | 24 |
| 26 typedef blink::WebCryptoAlgorithm (*AlgorithmCreationFunc)(); | 25 typedef blink::WebCryptoAlgorithm (*AlgorithmCreationFunc)(); |
| 27 | 26 |
| 28 class JwkAlgorithmInfo { | 27 class JwkAlgorithmInfo { |
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| 135 static blink::WebCryptoAlgorithm BindAlgorithmId() { | 134 static blink::WebCryptoAlgorithm BindAlgorithmId() { |
| 136 return func(algorithm_id); | 135 return func(algorithm_id); |
| 137 } | 136 } |
| 138 | 137 |
| 139 JwkAlgorithmInfoMap alg_to_info_; | 138 JwkAlgorithmInfoMap alg_to_info_; |
| 140 }; | 139 }; |
| 141 | 140 |
| 142 base::LazyInstance<JwkAlgorithmRegistry> jwk_alg_registry = | 141 base::LazyInstance<JwkAlgorithmRegistry> jwk_alg_registry = |
| 143 LAZY_INSTANCE_INITIALIZER; | 142 LAZY_INSTANCE_INITIALIZER; |
| 144 | 143 |
| 145 #ifdef WEBCRYPTO_HAS_KEY_ALGORITHM | |
| 146 bool ImportAlgorithmsConsistent(const blink::WebCryptoAlgorithm& alg1, | 144 bool ImportAlgorithmsConsistent(const blink::WebCryptoAlgorithm& alg1, |
| 147 const blink::WebCryptoAlgorithm& alg2) { | 145 const blink::WebCryptoAlgorithm& alg2) { |
| 148 DCHECK(!alg1.isNull()); | 146 DCHECK(!alg1.isNull()); |
| 149 DCHECK(!alg2.isNull()); | 147 DCHECK(!alg2.isNull()); |
| 150 if (alg1.id() != alg2.id()) | 148 if (alg1.id() != alg2.id()) |
| 151 return false; | 149 return false; |
| 152 if (alg1.paramsType() != alg2.paramsType()) | 150 if (alg1.paramsType() != alg2.paramsType()) |
| 153 return false; | 151 return false; |
| 154 switch (alg1.paramsType()) { | 152 switch (alg1.paramsType()) { |
| 155 case blink::WebCryptoAlgorithmParamsTypeNone: | 153 case blink::WebCryptoAlgorithmParamsTypeNone: |
| 156 return true; | 154 return true; |
| 157 case blink::WebCryptoAlgorithmParamsTypeRsaHashedImportParams: | 155 case blink::WebCryptoAlgorithmParamsTypeRsaHashedImportParams: |
| 158 return ImportAlgorithmsConsistent(alg1.rsaHashedImportParams()->hash(), | 156 return ImportAlgorithmsConsistent(alg1.rsaHashedImportParams()->hash(), |
| 159 alg2.rsaHashedImportParams()->hash()); | 157 alg2.rsaHashedImportParams()->hash()); |
| 160 case blink::WebCryptoAlgorithmParamsTypeHmacImportParams: | 158 case blink::WebCryptoAlgorithmParamsTypeHmacImportParams: |
| 161 return ImportAlgorithmsConsistent(alg1.hmacImportParams()->hash(), | 159 return ImportAlgorithmsConsistent(alg1.hmacImportParams()->hash(), |
| 162 alg2.hmacImportParams()->hash()); | 160 alg2.hmacImportParams()->hash()); |
| 163 default: | 161 default: |
| 164 return false; | 162 return false; |
| 165 } | 163 } |
| 166 } | 164 } |
| 167 #else | |
| 168 bool ImportAlgorithmsConsistent(const blink::WebCryptoAlgorithm& alg1, | |
| 169 const blink::WebCryptoAlgorithm& alg2) { | |
| 170 DCHECK(!alg1.isNull()); | |
| 171 DCHECK(!alg2.isNull()); | |
| 172 if (alg1.id() != alg2.id()) | |
| 173 return false; | |
| 174 switch (alg1.id()) { | |
| 175 case blink::WebCryptoAlgorithmIdHmac: | |
| 176 case blink::WebCryptoAlgorithmIdRsaOaep: | |
| 177 case blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5: | |
| 178 if (ImportAlgorithmsConsistent(GetInnerHashAlgorithm(alg1), | |
| 179 GetInnerHashAlgorithm(alg2))) { | |
| 180 return true; | |
| 181 } | |
| 182 break; | |
| 183 case blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5: | |
| 184 case blink::WebCryptoAlgorithmIdSha1: | |
| 185 case blink::WebCryptoAlgorithmIdSha224: | |
| 186 case blink::WebCryptoAlgorithmIdSha256: | |
| 187 case blink::WebCryptoAlgorithmIdSha384: | |
| 188 case blink::WebCryptoAlgorithmIdSha512: | |
| 189 case blink::WebCryptoAlgorithmIdAesCbc: | |
| 190 case blink::WebCryptoAlgorithmIdAesGcm: | |
| 191 case blink::WebCryptoAlgorithmIdAesCtr: | |
| 192 return true; | |
| 193 default: | |
| 194 NOTREACHED(); // Not a supported algorithm. | |
| 195 break; | |
| 196 } | |
| 197 return false; | |
| 198 } | |
| 199 #endif | |
| 200 | 165 |
| 201 // Extracts the required string property with key |path| from |dict| and saves | 166 // Extracts the required string property with key |path| from |dict| and saves |
| 202 // the result to |*result|. If the property does not exist or is not a string, | 167 // the result to |*result|. If the property does not exist or is not a string, |
| 203 // returns an error. | 168 // returns an error. |
| 204 Status GetJwkString(base::DictionaryValue* dict, | 169 Status GetJwkString(base::DictionaryValue* dict, |
| 205 const std::string& path, | 170 const std::string& path, |
| 206 std::string* result) { | 171 std::string* result) { |
| 207 base::Value* value = NULL; | 172 base::Value* value = NULL; |
| 208 if (!dict->Get(path, &value)) | 173 if (!dict->Get(path, &value)) |
| 209 return Status::ErrorJwkPropertyMissing(path); | 174 return Status::ErrorJwkPropertyMissing(path); |
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| 580 } else { | 545 } else { |
| 581 return Status::ErrorJwkUnrecognizedKty(); | 546 return Status::ErrorJwkUnrecognizedKty(); |
| 582 } | 547 } |
| 583 | 548 |
| 584 return Status::Success(); | 549 return Status::Success(); |
| 585 } | 550 } |
| 586 | 551 |
| 587 } // namespace webcrypto | 552 } // namespace webcrypto |
| 588 | 553 |
| 589 } // namespace content | 554 } // namespace content |
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