www.pudn.com > SmartCardSrc.zip > sdes.h

//------------------------------------------------------------------------------ 
// 
// Copyright (c) 1999-2005  Matt Brunk   
// 
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License VERSION 2 as 
// published by the Free Software Foundation.  You are not allowed to 
// use any other version of the license; unless you got the explicit 
// permission from the author to do so. 
// 
// 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 
// 
//------------------------------------------------------------------------------ 
#ifndef SDES_H_INCLUDED__ 
#define SDES_H_INCLUDED__ 
 
typedef unsigned char	U8;		// 8 bit unsigned numbers 
typedef unsigned short	U16;    // 16 bit unsigned numbers 
 
class SDES 
{ 
public: 
 
 
	static U8 Encrypt(U8 in); 
	static U8 Decrypt(U8 in); 
 
private: 
	static U16	s_key; 
 
}; 
 
#endif	// SDES_H_INCLUDED__