1104476Ssam/* $FreeBSD$ */ 2104476Ssam/* $OpenBSD: cast.h,v 1.2 2002/03/14 01:26:51 millert Exp $ */ 3104476Ssam 4139825Simp/*- 5104476Ssam * CAST-128 in C 6104476Ssam * Written by Steve Reid <sreid@sea-to-sky.net> 7104476Ssam * 100% Public Domain - no warranty 8104476Ssam * Released 1997.10.11 9104476Ssam */ 10104476Ssam 11104476Ssam#ifndef _CAST_H_ 12104476Ssam#define _CAST_H_ 13104476Ssam 14104476Ssamtypedef struct { 15104476Ssam u_int32_t xkey[32]; /* Key, after expansion */ 16104476Ssam int rounds; /* Number of rounds to use, 12 or 16 */ 17104476Ssam} cast_key; 18104476Ssam 19104476Ssamvoid cast_setkey(cast_key * key, u_int8_t * rawkey, int keybytes); 20104476Ssamvoid cast_encrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock); 21104476Ssamvoid cast_decrypt(cast_key * key, u_int8_t * inblock, u_int8_t * outblock); 22104476Ssam 23104476Ssam#endif /* ifndef _CAST_H_ */ 24