src/Hash.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 //MUtils
  23 #include <MUtils/Hash.h>
  24 #include <MUtils/Exception.h>
  25
  26 //Hash Functions
  27 #include "Hash_Keccak.h"
  28 #include "Hash_Blake2.h"
  29
  30 // ==========================================================================
  31 // Abstract Hash Class
  32 // ==========================================================================
  33
  34 bool MUtils::Hash::Hash::update(QFile &file)
  35 {
  36         while (!file.atEnd())
  37         {
  38                 const QByteArray data = file.read(4194304i64);
  39                 if (data.isEmpty() || (!update(data)))
  40                 {
  41                         return false;
  42                 }
  43         }
  44         return true;
  45 }
  46
  47 // ==========================================================================
  48 // Hash Factory
  49 // ==========================================================================
  50
  51 MUtils::Hash::Hash *MUtils::Hash::create(const quint16 &hashId, const char *const key)
  52 {
  53         switch (hashId)
  54         {
  55         case HASH_KECCAK_224:
  56                 return Keccak::create(Keccak::hb224, key);
  57         case HASH_KECCAK_256:
  58                 return Keccak::create(Keccak::hb256, key);
  59         case HASH_KECCAK_384:
  60                 return Keccak::create(Keccak::hb384, key);
  61         case HASH_KECCAK_512:
  62                 return Keccak::create(Keccak::hb512, key);
  63         case HASH_BLAKE2_512:
  64                 return new Blake2(key);
  65         default:
  66                 MUTILS_THROW_FMT("Hash algorithm 0x%02X is unknown!", quint32(hashId));
  67         }
  68 }