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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 #ifndef CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ | 5 #ifndef CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ |
6 #define CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ | 6 #define CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "third_party/WebKit/public/platform/WebCrypto.h" | 10 #include "third_party/WebKit/public/platform/WebCrypto.h" |
11 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | 11 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
12 #include "third_party/WebKit/public/platform/WebVector.h" | 12 #include "third_party/WebKit/public/platform/WebVector.h" |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 | 15 |
16 // Wrapper around the Blink WebCrypto asynchronous interface, which forwards to | 16 // Wrapper around the blink WebCrypto asynchronous interface, which forwards to |
17 // the synchronous platfrom (NSS or OpenSSL) implementation. | 17 // the synchronous platfrom (NSS or OpenSSL) implementation. |
18 // | 18 // |
19 // TODO(eroman): Post the synchronous work to a background thread. | 19 // TODO(eroman): Post the synchronous work to a background thread. |
20 class WebCryptoImpl : public blink::WebCrypto { | 20 class WebCryptoImpl : public blink::WebCrypto { |
21 public: | 21 public: |
22 WebCryptoImpl(); | 22 WebCryptoImpl(); |
23 virtual ~WebCryptoImpl(); | 23 virtual ~WebCryptoImpl(); |
24 | 24 |
25 virtual void encrypt(const blink::WebCryptoAlgorithm& algorithm, | 25 virtual void encrypt(const blink::WebCryptoAlgorithm& algorithm, |
26 const blink::WebCryptoKey& key, | 26 const blink::WebCryptoKey& key, |
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70 virtual void unwrapKey( | 70 virtual void unwrapKey( |
71 blink::WebCryptoKeyFormat format, | 71 blink::WebCryptoKeyFormat format, |
72 const unsigned char* wrapped_key, | 72 const unsigned char* wrapped_key, |
73 unsigned wrapped_key_size, | 73 unsigned wrapped_key_size, |
74 const blink::WebCryptoKey& wrapping_key, | 74 const blink::WebCryptoKey& wrapping_key, |
75 const blink::WebCryptoAlgorithm& unwrap_algorithm, | 75 const blink::WebCryptoAlgorithm& unwrap_algorithm, |
76 const blink::WebCryptoAlgorithm& unwrapped_key_algorithm, | 76 const blink::WebCryptoAlgorithm& unwrapped_key_algorithm, |
77 bool extractable, | 77 bool extractable, |
78 blink::WebCryptoKeyUsageMask usages, | 78 blink::WebCryptoKeyUsageMask usages, |
79 blink::WebCryptoResult result); | 79 blink::WebCryptoResult result); |
80 | 80 // This method synchronously computes a digest for the given data, returning |
| 81 // |true| if successful and |false| otherwise. |
| 82 virtual bool digestSynchronous(const blink::WebCryptoAlgorithmId algorithm_id, |
| 83 const unsigned char* data, |
| 84 unsigned int data_size, |
| 85 blink::WebArrayBuffer& result); |
81 // This method returns a digestor object that can be used to synchronously | 86 // This method returns a digestor object that can be used to synchronously |
82 // compute a digest one chunk at a time. Thus, the consume does not need to | 87 // compute a digest one chunk at a time. Thus, the consume does not need to |
83 // hold onto a large buffer with all the data to digest. Chunks can be given | 88 // hold onto a large buffer with all the data to digest. Chunks can be given |
84 // one at a time and the digest will be computed piecemeal. The allocated | 89 // one at a time and the digest will be computed piecemeal. The allocated |
85 // WebCrytpoDigestor that is returned by createDigestor must be freed by the | 90 // WebCrytpoDigestor that is returned by createDigestor must be freed by the |
86 // caller. | 91 // caller. |
87 virtual blink::WebCryptoDigestor* createDigestor( | 92 virtual blink::WebCryptoDigestor* createDigestor( |
88 blink::WebCryptoAlgorithmId algorithm_id); | 93 blink::WebCryptoAlgorithmId algorithm_id); |
89 | 94 |
90 virtual bool deserializeKeyForClone( | 95 virtual bool deserializeKeyForClone( |
91 const blink::WebCryptoKeyAlgorithm& algorithm, | 96 const blink::WebCryptoKeyAlgorithm& algorithm, |
92 blink::WebCryptoKeyType type, | 97 blink::WebCryptoKeyType type, |
93 bool extractable, | 98 bool extractable, |
94 blink::WebCryptoKeyUsageMask usages, | 99 blink::WebCryptoKeyUsageMask usages, |
95 const unsigned char* key_data, | 100 const unsigned char* key_data, |
96 unsigned key_data_size, | 101 unsigned key_data_size, |
97 blink::WebCryptoKey& key); | 102 blink::WebCryptoKey& key); |
98 | 103 |
99 virtual bool serializeKeyForClone(const blink::WebCryptoKey& key, | 104 virtual bool serializeKeyForClone(const blink::WebCryptoKey& key, |
100 blink::WebVector<unsigned char>& key_data); | 105 blink::WebVector<unsigned char>& key_data); |
101 | 106 |
102 private: | 107 private: |
103 DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl); | 108 DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl); |
104 }; | 109 }; |
105 | 110 |
106 } // namespace content | 111 } // namespace content |
107 | 112 |
108 #endif // CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ | 113 #endif // CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_ |
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