- Port rtw(4) from NetBSD, which supports various RealTek 8180 chip based
[dragonfly.git] / sys / opencrypto / cast.h
1 /*      $FreeBSD: src/sys/opencrypto/cast.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $     */
2 /*      $DragonFly: src/sys/opencrypto/cast.h,v 1.2 2003/06/17 04:28:54 dillon Exp $    */
3 /*      $OpenBSD: cast.h,v 1.2 2002/03/14 01:26:51 millert Exp $       */
4
5 /*
6  *      CAST-128 in C
7  *      Written by Steve Reid <sreid@sea-to-sky.net>
8  *      100% Public Domain - no warranty
9  *      Released 1997.10.11
10  */
11
12 #ifndef _CAST_H_
13 #define _CAST_H_
14
15 typedef struct {
16         u_int32_t       xkey[32];       /* Key, after expansion */
17         int             rounds;         /* Number of rounds to use, 12 or 16 */
18 } cast_key;
19
20 void cast_setkey(cast_key * key, u_int8_t * rawkey, int keybytes);
21 void cast_encrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
22 void cast_decrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
23
24 #endif /* ifndef _CAST_H_ */