freebsd-skq/sys/opencrypto/cast.h
jhb f2015b4065 Use 'const' for keys and IVs passed to software encryption algorithms.
Specifically, use 'const' for the key passed to the 'setkey' method
and 'const' for the 'iv' passed to the 'reinit' method.

Reviewed by:	cem
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D21347
2019-08-22 00:02:08 +00:00

24 lines
647 B
C

/* $FreeBSD$ */
/* $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, const 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_ */