1a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)/* 2a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * Copyright 2012 The WebRTC Project Authors. All rights reserved. 3a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * 4a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * Use of this source code is governed by a BSD-style license 5a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * that can be found in the LICENSE file in the root of the source 6a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * tree. An additional intellectual property rights grant can be found 7a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * in the file PATENTS. All contributing project authors may 8a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) * be found in the AUTHORS file in the root of the source tree. 9a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) */ 10a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 11a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#ifndef WEBRTC_BASE_MD5DIGEST_H_ 12a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#define WEBRTC_BASE_MD5DIGEST_H_ 13a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 14a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "webrtc/base/md5.h" 15a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "webrtc/base/messagedigest.h" 16a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 17a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)namespace rtc { 18a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 19a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// A simple wrapper for our MD5 implementation. 20a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)class Md5Digest : public MessageDigest { 21a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) public: 22a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) enum { kSize = 16 }; 23a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) Md5Digest() { 24a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MD5Init(&ctx_); 25a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 26a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) virtual size_t Size() const { 27a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return kSize; 28a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 29a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) virtual void Update(const void* buf, size_t len) { 30a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MD5Update(&ctx_, static_cast<const uint8*>(buf), len); 31a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 32a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) virtual size_t Finish(void* buf, size_t len) { 33a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (len < kSize) { 34a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return 0; 35a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 36a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MD5Final(&ctx_, static_cast<uint8*>(buf)); 37a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MD5Init(&ctx_); // Reset for next use. 38a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return kSize; 39a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 40a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) private: 41a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MD5_CTX ctx_; 42a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)}; 43a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 44a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} // namespace rtc 45a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 46a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#endif // WEBRTC_BASE_MD5DIGEST_H_ 47a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)