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/*
Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_DIGESTER_H
#define DCPOMATIC_DIGESTER_H
#include <nettle/md5.h>
#include <boost/optional.hpp>
#include <string>
#include <vector>
class Digester
{
public:
Digester();
Digester(Digester const&) = delete;
Digester& operator=(Digester const&) = delete;
Digester(Digester&& other) = default;
Digester& operator=(Digester&& other) = default;
void add(void const * data, size_t size);
template <class T>
void add(T data) {
add(&data, sizeof(T));
}
void add(std::string const & s);
std::string get() const;
std::vector<unsigned char> get_vector() const;
int size() const;
private:
mutable md5_ctx _context;
mutable std::vector<unsigned char> _digest;
};
#endif
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