From a306df9145d16046e51e8b7ff5222e341e98fdbd Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Mon, 13 Jun 2016 12:17:47 +0100 Subject: Rename MD5Digester -> Digester. --- src/lib/digester.cc | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/lib/digester.cc (limited to 'src/lib/digester.cc') diff --git a/src/lib/digester.cc b/src/lib/digester.cc new file mode 100644 index 000000000..2d25d41d1 --- /dev/null +++ b/src/lib/digester.cc @@ -0,0 +1,69 @@ +/* + Copyright (C) 2014-2016 Carl Hetherington + + 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 . + +*/ + +#include +#include +#include "digester.h" +#include "safe_stringstream.h" + +using std::string; +using std::hex; +using std::setfill; +using std::setw; + +Digester::Digester () +{ + MD5_Init (&_context); +} + +Digester::~Digester () +{ + get (); +} + +void +Digester::add (void const * data, size_t size) +{ + MD5_Update (&_context, data, size); +} + +void +Digester::add (string const & s) +{ + add (s.c_str (), s.length ()); +} + +string +Digester::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 (); +} -- cgit v1.2.3