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mongodb/util/md5.hpp

54 lines
1.5 KiB
C++

// md5.hpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "md5.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";
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( string s ){
md5digest d;
md5( s.c_str() , d );
return digestToString( d );
}
} // namespace mongo