sunrpc/rpc/rpc_des.h

   1 /*
   2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   3  * unrestricted use provided that this legend is included on all tape
   4  * media and as a part of the software program in whole or part.  Users
   5  * may copy or modify Sun RPC without charge, but are not authorized
   6  * to license or distribute it to anyone else except as part of a product or
   7  * program developed by the user.
   8  *
   9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12  *
  13  * Sun RPC is provided with no support and without any obligation on the
  14  * part of Sun Microsystems, Inc. to assist in its use, correction,
  15  * modification or enhancement.
  16  *
  17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19  * OR ANY PART THEREOF.
  20  *
  21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22  * or profits or other special, indirect and consequential damages, even if
  23  * Sun has been advised of the possibility of such damages.
  24  *
  25  * Sun Microsystems, Inc.
  26  * 2550 Garcia Avenue
  27  * Mountain View, California  94043
  28  */
  29 /*
  30  * Generic DES driver interface
  31  * Keep this file hardware independent!
  32  * Copyright (c) 1986 by Sun Microsystems, Inc.
  33  */
  34
  35 #ifndef _DES_H
  36 #define _DES_H
  37
  38 #include <sys/types.h>
  39
  40 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  41 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  42
  43 enum desdir
  44   {
  45     ENCRYPT, DECRYPT
  46   };
  47 enum desmode
  48   {
  49     CBC, ECB
  50   };
  51
  52 /*
  53  * parameters to ioctl call
  54  */
  55 struct desparams
  56   {
  57     u_char des_key[8];          /* key (with low bit parity) */
  58     enum desdir des_dir;        /* direction */
  59     enum desmode des_mode;      /* mode */
  60     u_char des_ivec[8];         /* input vector */
  61     unsigned des_len;           /* number of bytes to crypt */
  62     union
  63       {
  64         u_char UDES_data[DES_QUICKLEN];
  65         u_char *UDES_buf;
  66       }
  67     UDES;
  68 #define des_data UDES.UDES_data /* direct data here if quick */
  69 #define des_buf UDES.UDES_buf   /* otherwise, pointer to data */
  70   };
  71
  72 #endif