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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 "content/child/webcrypto/algorithm_registry.h" | |
| 6 | |
| 7 #include "base/lazy_instance.h" | |
| 8 #include "content/child/webcrypto/algorithm_implementation.h" | |
| 9 #include "content/child/webcrypto/platform_crypto.h" | |
| 10 #include "content/child/webcrypto/status.h" | |
| 11 | |
| 12 namespace content { | |
| 13 | |
| 14 namespace webcrypto { | |
| 15 | |
| 16 namespace { | |
| 17 | |
| 18 // This class is used as a singleton. All methods must be threadsafe. | |
| 19 class AlgorithmRegistry { | |
| 20 public: | |
| 21 AlgorithmRegistry() | |
| 22 : sha_(CreatePlatformShaImplementation()), | |
| 23 aes_gcm_(CreatePlatformAesGcmImplementation()), | |
| 24 aes_cbc_(CreatePlatformAesCbcImplementation()), | |
| 25 aes_ctr_(CreatePlatformAesCtrImplementation()), | |
| 26 aes_kw_(CreatePlatformAesKwImplementation()), | |
| 27 hmac_(CreatePlatformHmacImplementation()), | |
| 28 rsa_ssa_(CreatePlatformRsaSsaImplementation()), | |
| 29 rsa_oaep_(CreatePlatformRsaOaepImplementation()), | |
| 30 rsa_pss_(CreatePlatformRsaPssImplementation()), | |
| 31 ecdsa_(CreatePlatformEcdsaImplementation()), | |
| 32 ecdh_(CreatePlatformEcdhImplementation()), | |
| 33 hkdf_(CreatePlatformHkdfImplementation()), | |
| 34 pbkdf2_(CreatePlatformPbkdf2Implementation()) { | |
| 35 PlatformInit(); | |
| 36 } | |
| 37 | |
| 38 const AlgorithmImplementation* GetAlgorithm( | |
| 39 blink::WebCryptoAlgorithmId id) const { | |
| 40 switch (id) { | |
| 41 case blink::WebCryptoAlgorithmIdSha1: | |
| 42 case blink::WebCryptoAlgorithmIdSha256: | |
| 43 case blink::WebCryptoAlgorithmIdSha384: | |
| 44 case blink::WebCryptoAlgorithmIdSha512: | |
| 45 return sha_.get(); | |
| 46 case blink::WebCryptoAlgorithmIdAesGcm: | |
| 47 return aes_gcm_.get(); | |
| 48 case blink::WebCryptoAlgorithmIdAesCbc: | |
| 49 return aes_cbc_.get(); | |
| 50 case blink::WebCryptoAlgorithmIdAesCtr: | |
| 51 return aes_ctr_.get(); | |
| 52 case blink::WebCryptoAlgorithmIdAesKw: | |
| 53 return aes_kw_.get(); | |
| 54 case blink::WebCryptoAlgorithmIdHmac: | |
| 55 return hmac_.get(); | |
| 56 case blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5: | |
| 57 return rsa_ssa_.get(); | |
| 58 case blink::WebCryptoAlgorithmIdRsaOaep: | |
| 59 return rsa_oaep_.get(); | |
| 60 case blink::WebCryptoAlgorithmIdRsaPss: | |
| 61 return rsa_pss_.get(); | |
| 62 case blink::WebCryptoAlgorithmIdEcdsa: | |
| 63 return ecdsa_.get(); | |
| 64 case blink::WebCryptoAlgorithmIdEcdh: | |
| 65 return ecdh_.get(); | |
| 66 case blink::WebCryptoAlgorithmIdHkdf: | |
| 67 return hkdf_.get(); | |
| 68 case blink::WebCryptoAlgorithmIdPbkdf2: | |
| 69 return pbkdf2_.get(); | |
| 70 default: | |
| 71 return NULL; | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 private: | |
| 76 const scoped_ptr<AlgorithmImplementation> sha_; | |
| 77 const scoped_ptr<AlgorithmImplementation> aes_gcm_; | |
| 78 const scoped_ptr<AlgorithmImplementation> aes_cbc_; | |
| 79 const scoped_ptr<AlgorithmImplementation> aes_ctr_; | |
| 80 const scoped_ptr<AlgorithmImplementation> aes_kw_; | |
| 81 const scoped_ptr<AlgorithmImplementation> hmac_; | |
| 82 const scoped_ptr<AlgorithmImplementation> rsa_ssa_; | |
| 83 const scoped_ptr<AlgorithmImplementation> rsa_oaep_; | |
| 84 const scoped_ptr<AlgorithmImplementation> rsa_pss_; | |
| 85 const scoped_ptr<AlgorithmImplementation> ecdsa_; | |
| 86 const scoped_ptr<AlgorithmImplementation> ecdh_; | |
| 87 const scoped_ptr<AlgorithmImplementation> hkdf_; | |
| 88 const scoped_ptr<AlgorithmImplementation> pbkdf2_; | |
| 89 }; | |
| 90 | |
| 91 } // namespace | |
| 92 | |
| 93 base::LazyInstance<AlgorithmRegistry>::Leaky g_algorithm_registry = | |
| 94 LAZY_INSTANCE_INITIALIZER; | |
| 95 | |
| 96 Status GetAlgorithmImplementation(blink::WebCryptoAlgorithmId id, | |
| 97 const AlgorithmImplementation** impl) { | |
| 98 *impl = g_algorithm_registry.Get().GetAlgorithm(id); | |
| 99 if (*impl) | |
| 100 return Status::Success(); | |
| 101 return Status::ErrorUnsupported(); | |
| 102 } | |
| 103 | |
| 104 } // namespace webcrypto | |
| 105 | |
| 106 } // namespace content | |
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Chromium Code Reviews
Issue 1077273002:
html_viewer: Move webcrypto to a place where html_viewer can use it. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master