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      1 /*	$NetBSD: cast128.h,v 1.7 2005/12/11 12:20:52 christos Exp $ */
      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 (at) sea-to-sky.net>
      7  *	100% Public Domain - no warranty
      8  *	Released 1997.10.11
      9  */
     10 
     11 #ifndef _CAST128_H_
     12 #define _CAST128_H_
     13 
     14 typedef struct {
     15 	u_int32_t	xkey[32];	/* Key, after expansion */
     16 	int		rounds;		/* Number of rounds to use, 12 or 16 */
     17 } cast128_key;
     18 
     19 void cast128_setkey(cast128_key *key, const u_int8_t *rawkey, int keybytes);
     20 void cast128_encrypt(const cast128_key *key, const u_int8_t *inblock,
     21 		     u_int8_t *outblock);
     22 void cast128_decrypt(const cast128_key *key, const u_int8_t *inblock,
     23 		     u_int8_t *outblock);
     24 
     25 #endif /* _CAST128_H_ */
     26