mirror of
https://github.com/mangosfour/server.git
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93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/*
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* This code is part of MaNGOS. Contributor & Copyright details are in AUTHORS/THANKS.
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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.
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 "Common.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(const BigNumber& 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(const uint8* bytes, int len);
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void SetHexStr(const char* str);
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void SetRand(int numbits);
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BigNumber operator=(const BigNumber& bn);
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BigNumber operator+=(const BigNumber& bn);
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BigNumber operator+(const BigNumber& 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-=(const BigNumber& bn);
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BigNumber operator-(const BigNumber& 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*=(const BigNumber& bn);
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BigNumber operator*(const BigNumber& 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/=(const BigNumber& bn);
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BigNumber operator/(const BigNumber& 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%=(const BigNumber& bn);
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BigNumber operator%(const BigNumber& 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(const BigNumber& bn1, const BigNumber& bn2);
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BigNumber Exp(const BigNumber&);
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int GetNumBytes(void);
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struct bignum_st* BN() { return _bn; }
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uint32 AsDword();
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uint8* AsByteArray(int minSize = 0, bool reverse = true);
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const char* AsHexStr();
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const char* AsDecStr();
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private:
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struct bignum_st* _bn;
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uint8* _array;
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};
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#endif
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