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_ */