60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2020 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; always including the non-optional
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// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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.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 result;
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if(file.isOpen() && file.reset())
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{
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QScopedPointer<MUtils::Hash::Hash> hash(MUtils::Hash::create(MUtils::Hash::HASH_KECCAK_384));
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const QByteArray data = file.readAll();
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if (data.size() >= 16)
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{
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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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bool okay[3];
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okay[0] = hash->update(seed);
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okay[1] = hash->update(data);
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okay[2] = hash->update(salt);
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if (okay[0] && okay[1] && okay[2])
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{
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result = hash->digest(true);
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}
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}
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}
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return result.isEmpty() ? QByteArray::fromHex(g_blnk).toHex() : result;
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}
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