src/shared/Auth/Sha1.cpp

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Auth/Sha1.h"
  20 #include <stdarg.h>
  21
  22 Sha1Hash::Sha1Hash()
  23 {
  24     SHA1_Init(&mC);
  25 }
  26
  27 Sha1Hash::~Sha1Hash()
  28 {
  29     SHA1_Init(&mC);
  30 }
  31
  32 void Sha1Hash::UpdateData(const uint8 *dta, int len)
  33 {
  34     SHA1_Update(&mC, dta, len);
  35 }
  36
  37 void Sha1Hash::UpdateData(const std::string &str)
  38 {
  39     UpdateData((uint8 const*)str.c_str(), str.length());
  40 }
  41
  42 void Sha1Hash::UpdateBigNumbers(BigNumber *bn0, ...)
  43 {
  44     va_list v;
  45     BigNumber *bn;
  46
  47     va_start(v, bn0);
  48     bn = bn0;
  49     while (bn)
  50     {
  51         UpdateData(bn->AsByteArray(), bn->GetNumBytes());
  52         bn = va_arg(v, BigNumber *);
  53     }
  54     va_end(v);
  55 }
  56
  57 void Sha1Hash::Initialize()
  58 {
  59     SHA1_Init(&mC);
  60 }
  61
  62 void Sha1Hash::Finalize(void)
  63 {
  64     SHA1_Final(mDigest, &mC);
  65 }