gloox 1.0

sha.h

00001 /*
00002   Copyright (c) 2006-2009 by Jakob Schroeter <js@camaya.net>
00003   This file is part of the gloox library. http://camaya.net/gloox
00004 
00005   This software is distributed under a license. The full license
00006   agreement can be found in the file LICENSE in this distribution.
00007   This software may not be copied, modified, sold or distributed
00008   other than expressed in the named license agreement.
00009 
00010   This software is distributed without any warranty.
00011 */
00012 
00013 #ifndef SHA_H__
00014 #define SHA_H__
00015 
00016 #include "macros.h"
00017 
00018 #include <string>
00019 
00020 namespace gloox
00021 {
00022 
00029   class GLOOX_API SHA
00030   {
00031 
00032     public:
00036       SHA();
00037 
00041       virtual ~SHA();
00042 
00046       void reset();
00047 
00051       void finalize();
00052 
00058       const std::string hex();
00059 
00065       const std::string binary();
00066 
00072       void feed( const unsigned char* data, unsigned length );
00073 
00078       void feed( const std::string& data );
00079 
00080     private:
00081       void process();
00082       void pad();
00083       inline unsigned shift( int bits, unsigned word );
00084       void init();
00085 
00086       unsigned H[5];
00087       unsigned Length_Low;
00088       unsigned Length_High;
00089       unsigned char Message_Block[64];
00090       int Message_Block_Index;
00091       bool m_finished;
00092       bool m_corrupted;
00093 
00094   };
00095 
00096 }
00097 
00098 #endif // SHA_H__