mirror of
https://github.com/TrinityCore/TrinityCore.git
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82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "SHA1.h"
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#include <cstring>
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#ifndef _WARDEN_KEY_GENERATION_H
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#define _WARDEN_KEY_GENERATION_H
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class SHA1Randx
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{
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public:
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SHA1Randx(uint8* buff, uint32 size)
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{
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uint32 taken = size/2;
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sh.Initialize();
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sh.UpdateData(buff, taken);
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sh.Finalize();
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memcpy(o1, sh.GetDigest(), 20);
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sh.Initialize();
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sh.UpdateData(buff + taken, size - taken);
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sh.Finalize();
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memcpy(o2, sh.GetDigest(), 20);
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memset(o0, 0x00, 20);
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FillUp();
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}
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void Generate(uint8* buf, uint32 sz)
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{
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for (uint32 i = 0; i < sz; ++i)
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{
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if (taken == 20)
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FillUp();
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buf[i] = o0[taken];
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taken++;
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}
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}
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private:
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void FillUp()
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{
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sh.Initialize();
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sh.UpdateData(o1, 20);
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sh.UpdateData(o0, 20);
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sh.UpdateData(o2, 20);
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sh.Finalize();
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memcpy(o0, sh.GetDigest(), 20);
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taken = 0;
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}
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SHA1Hash sh;
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uint32 taken;
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uint8 o0[20], o1[20], o2[20];
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};
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#endif
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