/* DES.H - header file for DESC.C
 */

/* Copyright (C) 1991-2 RSA Laboratories, a division of RSA Data
 * Security, Inc. All rights reserved.
 *
 * 920318 rwo : Context conversion.
 */

/* DES-CBC context.
 */
typedef struct {
  unsigned long subkeyBlok[64];					  /* subkeys */
  unsigned long subkeyBlok1[64];					  /* subkeys */
  unsigned long subkeyBlok2[64];					  /* subkeys */
  unsigned long ivBlok[2];    					  /* initializing vector */
  int encrypt;									  /* encrypt flag */
  int triple;
} DES_CBC_CTX;

void DES_CBCInit PROTO_LIST 
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, int));
void DES3_CBCInit PROTO_LIST 
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, int));
int DES3_CBCUpdate PROTO_LIST
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, unsigned int));
int DES_CBCUpdate PROTO_LIST
  ((DES_CBC_CTX *, unsigned char *, unsigned char *, unsigned int));
void DES3_CBCFinal PROTO_LIST ((DES_CBC_CTX *));
void DES_CBCFinal PROTO_LIST ((DES_CBC_CTX *));