MHashPP.h

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00001 /*
00002  * steghide 0.5.1 - a steganography program
00003  * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License
00007  * as published by the Free Software Foundation; either version 2
00008  * of the License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018  *
00019  */
00020 
00021 #ifndef SH_MHASHPP_H
00022 #define SH_MHASHPP_H
00023 
00024 #include <mhash.h>
00025 
00026 #include "common.h"
00027 
00028 class BitString ;
00029 
00030 class MHashPP {
00031         public:
00032         enum Command { endhash } ;
00033 
00034         MHashPP (void) ;
00035         MHashPP (hashid a) ;
00036 
00037         void init (hashid a) ;
00038 
00039         const std::vector<BYTE>& end (void) ;
00040 
00045         MHashPP& operator<< (std::string v) ;
00046 
00051         MHashPP& operator<< (BitString v) ;
00052 
00057         MHashPP& operator<< (BYTE v) ;
00058 
00063         MHashPP& operator<< (Command c) ;
00064 
00069         BitString getHashBits (void) ;
00070 
00071         const std::vector<BYTE>& getHashBytes (void) ;
00072 
00077         unsigned int getHashSize (void) ;
00078 
00079         private:
00081         bool hashing ;
00082         MHASH HashD ;
00083 
00085         bool HashBytesValid ;
00086         std::vector<BYTE> HashBytes ;
00087 
00088         std::string getAlgorithmName (void) ;
00089         static std::string getAlgorithmName (hashid id) ;
00090 } ;
00091 
00092 #endif // ndef SH_MHASHPP_H

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