2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <openssl/md5.h>
21 #include <boost/noncopyable.hpp>
22 #include <boost/optional.hpp>
25 class MD5Digester : public boost::noncopyable
31 void add (void const * data, size_t size);
35 add (&data, sizeof (T));
38 void add (std::string const & s);
40 std::string get () const;
43 mutable MD5_CTX _context;
44 mutable boost::optional<std::string> _digest;