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Diffstat (limited to 'src/server/shared/Auth/BigNumber.cpp')
| -rw-r--r-- | src/server/shared/Auth/BigNumber.cpp | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/server/shared/Auth/BigNumber.cpp b/src/server/shared/Auth/BigNumber.cpp deleted file mode 100644 index 64e9ef21ccc..00000000000 --- a/src/server/shared/Auth/BigNumber.cpp +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/> - * - * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "Auth/BigNumber.h" -#include <openssl/bn.h> -#include <algorithm> - -BigNumber::BigNumber() -{ - _bn = BN_new(); - _array = NULL; -} - -BigNumber::BigNumber(const BigNumber &bn) -{ - _bn = BN_dup(bn._bn); - _array = NULL; -} - -BigNumber::BigNumber(uint32 val) -{ - _bn = BN_new(); - BN_set_word(_bn, val); - _array = NULL; -} - -BigNumber::~BigNumber() -{ - BN_free(_bn); - if(_array) delete[] _array; -} - -void BigNumber::SetDword(uint32 val) -{ - BN_set_word(_bn, val); -} - -void BigNumber::SetQword(uint64 val) -{ - BN_add_word(_bn, (uint32)(val >> 32)); - BN_lshift(_bn, _bn, 32); - BN_add_word(_bn, (uint32)(val & 0xFFFFFFFF)); -} - -void BigNumber::SetBinary(const uint8 *bytes, int len) -{ - uint8 t[1000]; - for (int i = 0; i < len; i++) t[i] = bytes[len - 1 - i]; - BN_bin2bn(t, len, _bn); -} - -void BigNumber::SetHexStr(const char *str) -{ - BN_hex2bn(&_bn, str); -} - -void BigNumber::SetRand(int numbits) -{ - BN_rand(_bn, numbits, 0, 1); -} - -BigNumber BigNumber::operator=(const BigNumber &bn) -{ - BN_copy(_bn, bn._bn); - return *this; -} - -BigNumber BigNumber::operator+=(const BigNumber &bn) -{ - BN_add(_bn, _bn, bn._bn); - return *this; -} - -BigNumber BigNumber::operator-=(const BigNumber &bn) -{ - BN_sub(_bn, _bn, bn._bn); - return *this; -} - -BigNumber BigNumber::operator*=(const BigNumber &bn) -{ - BN_CTX *bnctx; - - bnctx = BN_CTX_new(); - BN_mul(_bn, _bn, bn._bn, bnctx); - BN_CTX_free(bnctx); - - return *this; -} - -BigNumber BigNumber::operator/=(const BigNumber &bn) -{ - BN_CTX *bnctx; - - bnctx = BN_CTX_new(); - BN_div(_bn, NULL, _bn, bn._bn, bnctx); - BN_CTX_free(bnctx); - - return *this; -} - -BigNumber BigNumber::operator%=(const BigNumber &bn) -{ - BN_CTX *bnctx; - - bnctx = BN_CTX_new(); - BN_mod(_bn, _bn, bn._bn, bnctx); - BN_CTX_free(bnctx); - - return *this; -} - -BigNumber BigNumber::Exp(const BigNumber &bn) -{ - BigNumber ret; - BN_CTX *bnctx; - - bnctx = BN_CTX_new(); - BN_exp(ret._bn, _bn, bn._bn, bnctx); - BN_CTX_free(bnctx); - - return ret; -} - -BigNumber BigNumber::ModExp(const BigNumber &bn1, const BigNumber &bn2) -{ - BigNumber ret; - BN_CTX *bnctx; - - bnctx = BN_CTX_new(); - BN_mod_exp(ret._bn, _bn, bn1._bn, bn2._bn, bnctx); - BN_CTX_free(bnctx); - - return ret; -} - -int BigNumber::GetNumBytes(void) -{ - return BN_num_bytes(_bn); -} - -uint32 BigNumber::AsDword() -{ - return (uint32)BN_get_word(_bn); -} - -bool BigNumber::isZero() const -{ - return BN_is_zero(_bn)!=0; -} - -uint8 *BigNumber::AsByteArray(int minSize, bool reverse) -{ - int length = (minSize >= GetNumBytes()) ? minSize : GetNumBytes(); - - if (_array) - { - delete[] _array; - _array = NULL; - } - _array = new uint8[length]; - - // If we need more bytes than length of BigNumber set the rest to 0 - if (length > GetNumBytes()) - memset((void*)_array, 0, length); - - BN_bn2bin(_bn, (unsigned char *)_array); - - if (reverse) - std::reverse(_array, _array + length); - - return _array; -} - -const char *BigNumber::AsHexStr() -{ - return BN_bn2hex(_bn); -} - -const char *BigNumber::AsDecStr() -{ - return BN_bn2dec(_bn); -} - |
