Files
xahaud/Subtrees/websocket/src/md5/md5.hpp

70 lines
2.5 KiB
C++

/*
* Copyright (c) 2011, Peter Thorson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the WebSocket++ Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef WEBSOCKETPP_MD5_WRAPPER_HPP
#define WEBSOCKETPP_MD5_WRAPPER_HPP
#include "md5.h"
#include <string>
namespace websocketpp {
// could be compiled separately
inline std::string md5_hash_string(const std::string& s) {
char digest[16];
md5_state_t state;
md5_init(&state);
md5_append(&state, (const md5_byte_t *)s.c_str(), s.size());
md5_finish(&state, (md5_byte_t *)digest);
std::string ret;
ret.resize(16);
std::copy(digest,digest+16,ret.begin());
return ret;
}
const char hexval[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
inline std::string md5_hash_hex(const std::string& input) {
std::string hash = md5_hash_string(input);
std::string hex;
for (size_t i = 0; i < hash.size(); i++) {
hex.push_back(hexval[((hash[i] >> 4) & 0xF)]);
hex.push_back(hexval[(hash[i]) & 0x0F]);
}
return hex;
}
} // websocketpp
#endif // WEBSOCKETPP_MD5_WRAPPER_HPP