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// md5.hpp
/* Copyright 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include "mongo/util/md5.h"
#include <sstream>
#include <string>
#include <string.h>
namespace mongo {
typedef unsigned char md5digest[16];
inline void md5(const void *buf, int nbytes, md5digest digest) {
md5_state_t st;
md5_init(&st);
md5_append(&st, (const md5_byte_t *) buf, nbytes);
md5_finish(&st, digest);
}
inline void md5(const char *str, md5digest digest) {
md5(str, strlen(str), digest);
}
inline std::string digestToString( md5digest digest ){
static const char * letters = "0123456789abcdef";
std::stringstream ss;
for ( int i=0; i<16; i++){
unsigned char c = digest[i];
ss << letters[ ( c >> 4 ) & 0xf ] << letters[ c & 0xf ];
}
return ss.str();
}
inline std::string md5simpledigest( const void* buf, int nbytes){
md5digest d;
md5( buf, nbytes , d );
return digestToString( d );
}
inline std::string md5simpledigest( const std::string& s ){
return md5simpledigest(s.data(), s.size());
}
} // namespace mongo
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