| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/child/webcrypto/algorithm_registry.h" |
| |
| #include "base/lazy_instance.h" |
| #include "content/child/webcrypto/algorithm_implementation.h" |
| #include "content/child/webcrypto/platform_crypto.h" |
| #include "content/child/webcrypto/status.h" |
| |
| namespace content { |
| |
| namespace webcrypto { |
| |
| namespace { |
| |
| class AlgorithmRegistry { |
| public: |
| AlgorithmRegistry() |
| : sha_(CreatePlatformShaImplementation()), |
| aes_gcm_(CreatePlatformAesGcmImplementation()), |
| aes_cbc_(CreatePlatformAesCbcImplementation()), |
| aes_kw_(CreatePlatformAesKwImplementation()), |
| hmac_(CreatePlatformHmacImplementation()), |
| rsa_ssa_(CreatePlatformRsaSsaImplementation()), |
| rsa_oaep_(CreatePlatformRsaOaepImplementation()) { |
| PlatformInit(); |
| } |
| |
| const AlgorithmImplementation* GetAlgorithm( |
| blink::WebCryptoAlgorithmId id) const { |
| switch (id) { |
| case blink::WebCryptoAlgorithmIdSha1: |
| case blink::WebCryptoAlgorithmIdSha256: |
| case blink::WebCryptoAlgorithmIdSha384: |
| case blink::WebCryptoAlgorithmIdSha512: |
| return sha_.get(); |
| case blink::WebCryptoAlgorithmIdAesGcm: |
| return aes_gcm_.get(); |
| case blink::WebCryptoAlgorithmIdAesCbc: |
| return aes_cbc_.get(); |
| case blink::WebCryptoAlgorithmIdAesKw: |
| return aes_kw_.get(); |
| case blink::WebCryptoAlgorithmIdHmac: |
| return hmac_.get(); |
| case blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5: |
| return rsa_ssa_.get(); |
| case blink::WebCryptoAlgorithmIdRsaOaep: |
| return rsa_oaep_.get(); |
| default: |
| return NULL; |
| } |
| } |
| |
| private: |
| scoped_ptr<AlgorithmImplementation> sha_; |
| scoped_ptr<AlgorithmImplementation> aes_gcm_; |
| scoped_ptr<AlgorithmImplementation> aes_cbc_; |
| scoped_ptr<AlgorithmImplementation> aes_kw_; |
| scoped_ptr<AlgorithmImplementation> hmac_; |
| scoped_ptr<AlgorithmImplementation> rsa_ssa_; |
| scoped_ptr<AlgorithmImplementation> rsa_oaep_; |
| }; |
| |
| } // namespace |
| |
| base::LazyInstance<AlgorithmRegistry>::Leaky g_algorithm_registry = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| Status GetAlgorithmImplementation(blink::WebCryptoAlgorithmId id, |
| const AlgorithmImplementation** impl) { |
| *impl = g_algorithm_registry.Get().GetAlgorithm(id); |
| if (*impl) |
| return Status::Success(); |
| return Status::ErrorUnsupported(); |
| } |
| |
| } // namespace webcrypto |
| |
| } // namespace content |