1/*	$FreeBSD$	*/
2/*      $OpenBSD: cast.h,v 1.2 2002/03/14 01:26:51 millert Exp $       */
3
4/*-
5 *	CAST-128 in C
6 *	Written by Steve Reid <sreid@sea-to-sky.net>
7 *	100% Public Domain - no warranty
8 *	Released 1997.10.11
9 */
10
11#ifndef _CAST_H_
12#define _CAST_H_
13
14typedef struct {
15	u_int32_t	xkey[32];	/* Key, after expansion */
16	int		rounds;		/* Number of rounds to use, 12 or 16 */
17} cast_key;
18
19void cast_setkey(cast_key * key, u_int8_t * rawkey, int keybytes);
20void cast_encrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
21void cast_decrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
22
23#endif /* ifndef _CAST_H_ */
24