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/*
* Hash.cpp
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Hash.h"
#include <boost/scoped_array.hpp>
#include <mhash.h>
namespace Mad {
namespace Common {
const Hash::Hashes Hash::hashes;
Hash::Hashes::Hashes() {
addHash("SHA256", MHASH_SHA256);
addHash("Tiger192", MHASH_TIGER192);
addHash("HAVAL192", MHASH_HAVAL192);
addHash("SHA1", MHASH_SHA1);
addHash("Tiger160", MHASH_TIGER160);
addHash("HAVAL160", MHASH_HAVAL160);
addHash("RIPEMD-160", MHASH_RIPEMD160);
addHash("MD5", MHASH_MD5);
addHash("Tiger128", MHASH_TIGER128);
addHash("HAVAL128", MHASH_HAVAL128);
}
std::vector<boost::uint8_t> Hash::hash(const std::vector<boost::uint8_t> &in, unsigned int method) throw (Core::Exception) {
MHASH mh;
mh = mhash_init(static_cast<hashid>(method));
if(mh == MHASH_FAILED)
throw(Core::Exception(Core::Exception::NOT_AVAILABLE));
boost::scoped_array<boost::uint8_t> inArray(new boost::uint8_t[in.size()]);
std::copy(in.begin(), in.end(), inArray.get());
mhash(mh, inArray.get(), in.size());
std::size_t hashLength = mhash_get_block_size(static_cast<hashid>(method));
boost::scoped_array<boost::uint8_t> outArray(new boost::uint8_t[hashLength]);
mhash_deinit(mh, outArray.get());
return std::vector<boost::uint8_t>(outArray.get(), outArray.get()+hashLength);
}
}
}
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