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      1  1.7  christos /*	$NetBSD: cast128.h,v 1.7 2005/12/11 12:20:52 christos Exp $ */
      2  1.5   thorpej /*      $OpenBSD: cast.h,v 1.2 2002/03/14 01:26:51 millert Exp $       */
      3  1.1   thorpej 
      4  1.1   thorpej /*
      5  1.5   thorpej  *	CAST-128 in C
      6  1.5   thorpej  *	Written by Steve Reid <sreid (at) sea-to-sky.net>
      7  1.5   thorpej  *	100% Public Domain - no warranty
      8  1.5   thorpej  *	Released 1997.10.11
      9  1.1   thorpej  */
     10  1.1   thorpej 
     11  1.5   thorpej #ifndef _CAST128_H_
     12  1.5   thorpej #define _CAST128_H_
     13  1.1   thorpej 
     14  1.5   thorpej typedef struct {
     15  1.5   thorpej 	u_int32_t	xkey[32];	/* Key, after expansion */
     16  1.5   thorpej 	int		rounds;		/* Number of rounds to use, 12 or 16 */
     17  1.5   thorpej } cast128_key;
     18  1.5   thorpej 
     19  1.6   thorpej void cast128_setkey(cast128_key *key, const u_int8_t *rawkey, int keybytes);
     20  1.6   thorpej void cast128_encrypt(const cast128_key *key, const u_int8_t *inblock,
     21  1.6   thorpej 		     u_int8_t *outblock);
     22  1.6   thorpej void cast128_decrypt(const cast128_key *key, const u_int8_t *inblock,
     23  1.6   thorpej 		     u_int8_t *outblock);
     24  1.1   thorpej 
     25  1.5   thorpej #endif /* _CAST128_H_ */
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