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https://github.com/mod-playerbots/azerothcore-wotlk.git
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68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*/
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#include "SHA1.h"
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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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