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gnupg/cipher/cast5.h
1998-02-24 18:50:46 +00:00

51 lines
1.6 KiB
C

/* cast5.h
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG 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.
*
* GNUPG 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 G10_CAST5_H
#define G10_CAST5_H
#include "types.h"
#define CAST5_BLOCKSIZE 8
typedef struct {
u32 s0[256];
u32 s1[256];
u32 s2[256];
u32 s3[256];
u32 p[16+2];
byte iv[CAST5_BLOCKSIZE];
byte eniv[CAST5_BLOCKSIZE];
int count;
} CAST5_context;
void cast5_setkey( CAST5_context *c, byte *key, unsigned keylen );
void cast5_setiv( CAST5_context *c, byte *iv );
void cast5_encode( CAST5_context *c, byte *outbuf, byte *inbuf,
unsigned nblocks );
void cast5_decode( CAST5_context *c, byte *outbuf, byte *inbuf,
unsigned nblocks );
void cast5_encode_cfb( CAST5_context *c, byte *outbuf,
byte *inbuf, unsigned nbytes);
void cast5_decode_cfb( CAST5_context *c, byte *outbuf,
byte *inbuf, unsigned nbytes);
#endif /*G10_CAST5_H*/