www.pudn.com > cast_src.rar > mycast.h

/*	CAST-256 Strong Encryption Plugin for Back Orifice 2000 
	Copyright (C) 1999, Daniel Roethlisberger 
 
	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 
 
	The author of this program may be contacted at admin@roe.ch. 
*/ 
 
#ifndef MYCAST_H 
#define MYCAST_H 
 
#include  
#include "cast256.h" 
 
typedef struct { 
	BETA CASTKr[CAST_ROUNDS];				// round rotation key set 
	BETA CASTKm[CAST_ROUNDS];				// round mask key set 
	KAPPA CASTUserKey;						// 256 bit user key 
	char svCASTKey[256];					// up to 255 char key string 
	BOOL bCASTCBC;							// CBC mode on or off 
	BYTE CASTInitVect[CAST_BLOCK_SIZE];		// initialisation vector 
} CAST_CTX; 
 
int __cdecl CAST_Insert(void); 
int __cdecl CAST_Remove(void); 
char * __cdecl CAST_Query(void); 
void * __cdecl CAST_Startup(void); 
int __cdecl CAST_Shutdown(void *pInternal); 
int __cdecl CAST_SetKey(void *pInternal, char *pKey); 
char * __cdecl CAST_GetKey(void *pInternal); 
BYTE * __cdecl CAST_Encrypt(void *pInternal, BYTE *pBuffer, int nBufLen, int *pnOutBufLen); 
BYTE * __cdecl CAST_Decrypt(void *pInternal, BYTE *pBuffer, int nBufLen, int *pnOutBufLen); 
int __cdecl CAST_CreateNewKeys(void *pInternal); 
void __cdecl CAST_Free(void *pInternal, BYTE *pBuffer); 
 
#endif // MYCAST_H