Chromium Code Reviews Chromium Code Reviews
Issue 8124011:
Add constant-time comparison operators for cryptographic uses. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/| OLD | NEW |
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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // Utility class for calculating the HMAC for a given message. We currently | 5 // Utility class for calculating the HMAC for a given message. We currently |
| 6 // only support SHA1 for the hash algorithm, but this can be extended easily. | 6 // only support SHA1 for the hash algorithm, but this can be extended easily. |
| 7 | 7 |
| 8 #ifndef CRYPTO_HMAC_H_ | 8 #ifndef CRYPTO_HMAC_H_ |
| 9 #define CRYPTO_HMAC_H_ | 9 #define CRYPTO_HMAC_H_ |
| 10 #pragma once | 10 #pragma once |
| (...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 71 const base::StringPiece& data, | 71 const base::StringPiece& data, |
| 72 const base::StringPiece& digest) const WARN_UNUSED_RESULT; | 72 const base::StringPiece& digest) const WARN_UNUSED_RESULT; |
| 73 | 73 |
| 74 private: | 74 private: |
| 75 HashAlgorithm hash_alg_; | 75 HashAlgorithm hash_alg_; |
| 76 scoped_ptr<HMACPlatformData> plat_; | 76 scoped_ptr<HMACPlatformData> plat_; |
| 77 | 77 |
| 78 DISALLOW_COPY_AND_ASSIGN(HMAC); | 78 DISALLOW_COPY_AND_ASSIGN(HMAC); |
| 79 }; | 79 }; |
| 80 | 80 |
| 81 bool SecureMemcmp(const void* s1, const void* s2, size_t n); | |
|
wtc
2011/10/04 00:32:10
This function is not related to HMAC. We should c
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| 82 | |
| 81 } // namespace crypto | 83 } // namespace crypto |
| 82 | 84 |
| 83 #endif // CRYPTO_HMAC_H_ | 85 #endif // CRYPTO_HMAC_H_ |
| OLD | NEW |
