-/*
- Copyright (C) 2014 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/>.
-
-*/
-
-#include <iomanip>
-#include <openssl/md5.h>
-#include "md5_digester.h"
-#include "safe_stringstream.h"
-
-using std::string;
-using std::hex;
-using std::setfill;
-using std::setw;
-
-MD5Digester::MD5Digester ()
-{
- MD5_Init (&_context);
-}
-
-MD5Digester::~MD5Digester ()
-{
- get ();
-}
-
-void
-MD5Digester::add (void const * data, size_t size)
-{
- MD5_Update (&_context, data, size);
-}
-
-void
-MD5Digester::add (string const & s)
-{
- add (s.c_str (), s.length ());
-}
-
-string
-MD5Digester::get () const
-{
- if (!_digest) {
- unsigned char digest[MD5_DIGEST_LENGTH];
- MD5_Final (digest, &_context);
-
- SafeStringStream s;
- for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << hex << setfill('0') << setw(2) << ((int) digest[i]);
- }
-
- _digest = s.str ();
- }
-
- return _digest.get ();
-}