69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version, but always including the *additional*
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// restrictions defined in the "License.txt" file.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "FileHash.h"
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//MUtils
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#include <MUtils/Hash_Keccak.h>
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#include <MUtils/Exception.h>
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static const char *g_blnk = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
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static const char *g_seed = "c375d83b4388329408dfcbb4d9a065b6e06d28272f25ef299c70b506e26600af79fd2f866ae24602daf38f25c9d4b7e1";
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static const char *g_salt = "ee9f7bdabc170763d2200a7e3030045aafe380011aefc1730e547e9244c62308aac42a976feeca224ba553de0c4bb883";
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QByteArray FileHash::computeHash(QFile &file)
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{
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QByteArray hash = QByteArray::fromHex(g_blnk);
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if(file.isOpen() && file.reset())
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{
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MUtils::Hash::Keccak keccak;
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const QByteArray data = file.readAll();
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const QByteArray seed = QByteArray::fromHex(g_seed);
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const QByteArray salt = QByteArray::fromHex(g_salt);
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if(keccak.init(MUtils::Hash::Keccak::hb384))
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{
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bool ok = true;
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ok = ok && keccak.addData(seed);
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ok = ok && keccak.addData(data);
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ok = ok && keccak.addData(salt);
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if(ok)
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{
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const QByteArray digest = keccak.finalize();
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if(!digest.isEmpty()) hash = digest.toHex();
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}
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}
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}
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return hash;
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}
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void FileHash::selfTest(void)
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{
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if(!MUtils::Hash::Keccak::selfTest())
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{
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MUTILS_THROW("QKeccakHash self-test has failed!");
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}
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}
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