mirror of
https://github.com/TrinityCore/TrinityCore.git
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104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*
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* Copyright (C) 2008-2013 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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* 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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#ifndef _AUTH_BIGNUMBER_H
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#define _AUTH_BIGNUMBER_H
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#include "Define.h"
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#include <ace/Mutex.h>
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struct bignum_st;
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class BigNumber
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{
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public:
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BigNumber();
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BigNumber(BigNumber const& bn);
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BigNumber(uint32);
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~BigNumber();
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void SetDword(uint32);
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void SetQword(uint64);
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void SetBinary(uint8 const* bytes, int32 len);
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void SetHexStr(char const* str);
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void SetRand(int32 numbits);
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BigNumber& operator=(BigNumber const& bn);
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BigNumber operator+=(BigNumber const& bn);
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BigNumber operator+(BigNumber const& bn)
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{
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BigNumber t(*this);
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return t += bn;
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}
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BigNumber operator-=(BigNumber const& bn);
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BigNumber operator-(BigNumber const& bn)
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{
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BigNumber t(*this);
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return t -= bn;
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}
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BigNumber operator*=(BigNumber const& bn);
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BigNumber operator*(BigNumber const& bn)
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{
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BigNumber t(*this);
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return t *= bn;
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}
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BigNumber operator/=(BigNumber const& bn);
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BigNumber operator/(BigNumber const& bn)
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{
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BigNumber t(*this);
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return t /= bn;
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}
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BigNumber operator%=(BigNumber const& bn);
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BigNumber operator%(BigNumber const& bn)
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{
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BigNumber t(*this);
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return t %= bn;
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}
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bool isZero() const;
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BigNumber ModExp(BigNumber const& bn1, BigNumber const& bn2);
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BigNumber Exp(BigNumber const&);
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int32 GetNumBytes(void);
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struct bignum_st *BN() { return _bn; }
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uint32 AsDword();
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uint8* AsByteArray(int32 minSize = 0, bool reverse = true);
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char * AsHexStr() const;
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char * AsDecStr() const;
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private:
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struct bignum_st *_bn;
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uint8 *_array;
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// This mutex only controls thread-safe access to AsByteArray() and should be replaced with a thread-safe implementation of BigNumber
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ACE_Mutex _lock;
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};
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#endif
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