getconf(1): Add _POSIX_V7_* names, as aliases for POSIX_V7_*.
[dragonfly.git] / sys / opencrypto / cast.h
1 /*      $FreeBSD: src/sys/opencrypto/cast.h,v 1.2 2005/01/07 02:29:16 imp 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@sea-to-sky.net>
7  *      100% Public Domain - no warranty
8  *      Released 1997.10.11
9  */
10
11 #ifndef _CAST_H_
12 #define _CAST_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 } cast_key;
18
19 void cast_setkey(cast_key * key, u_int8_t * rawkey, int keybytes);
20 void cast_encrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
21 void cast_decrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock);
22
23 #endif /* ifndef _CAST_H_ */