sunrpc/rpc/rpc_des.h

   1 /*  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  */
  30 /*
  31  * Generic DES driver interface
  32  * Keep this file hardware independent!
  33  * Copyright (c) 1986 by Sun Microsystems, Inc.
  34  */
  35
  36 #ifndef _DES_H
  37 #define _DES_H
  38
  39 #include <sys/types.h>
  40
  41 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  42 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  43
  44 enum desdir
  45   {
  46     ENCRYPT, DECRYPT
  47   };
  48 enum desmode
  49   {
  50     CBC, ECB
  51   };
  52
  53 /*
  54  * parameters to ioctl call
  55  */
  56 struct desparams
  57   {
  58     u_char des_key[8];          /* key (with low bit parity) */
  59     enum desdir des_dir;        /* direction */
  60     enum desmode des_mode;      /* mode */
  61     u_char des_ivec[8];         /* input vector */
  62     unsigned des_len;           /* number of bytes to crypt */
  63     union
  64       {
  65         u_char UDES_data[DES_QUICKLEN];
  66         u_char *UDES_buf;
  67       }
  68     UDES;
  69 #define des_data UDES.UDES_data /* direct data here if quick */
  70 #define des_buf UDES.UDES_buf   /* otherwise, pointer to data */
  71   };
  72
  73 /*
  74  * Encrypt an arbitrary sized buffer
  75  */
  76 #define DESIOCBLOCK     _IOWR(d, 6, struct desparams)
  77
  78 /*
  79  * Encrypt of small amount of data, quickly
  80  */
  81 #define DESIOCQUICK     _IOWR(d, 7, struct desparams)
  82
  83 #endif