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