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// md5.hpp
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.h>
#include <string>
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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