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_ */