include/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  *  @(#)des.h   2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI
  30  *  $DragonFly: src/include/rpc/des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
  31  */
  32 /*
  33  * Generic DES driver interface
  34  * Keep this file hardware independent!
  35  * Copyright (c) 1986 by Sun Microsystems, Inc.
  36  */
  37
  38 #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
  39 #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
  40
  41 enum desdir { ENCRYPT, DECRYPT };
  42 enum desmode { CBC, ECB };
  43
  44 /*
  45  * parameters to ioctl call
  46  */
  47 struct desparams {
  48         u_char des_key[8];      /* key (with low bit parity) */
  49         enum desdir des_dir;    /* direction */
  50         enum desmode des_mode;  /* mode */
  51         u_char des_ivec[8];     /* input vector */
  52         unsigned des_len;       /* number of bytes to crypt */
  53         union {
  54                 u_char UDES_data[DES_QUICKLEN];
  55                 u_char *UDES_buf;
  56         } UDES;
  57 #       define des_data UDES.UDES_data  /* direct data here if quick */
  58 #       define des_buf  UDES.UDES_buf   /* otherwise, pointer to data */
  59 };
  60
  61 #ifdef notdef
  62
  63 /*
  64  * These ioctls are only implemented in SunOS. Maybe someday
  65  * if somebody writes a driver for DES hardware that works
  66  * with FreeBSD, we can being that back.
  67  */
  68
  69 /*
  70  * Encrypt an arbitrary sized buffer
  71  */
  72 #define DESIOCBLOCK     _IOWR(d, 6, struct desparams)
  73
  74 /*
  75  * Encrypt of small amount of data, quickly
  76  */
  77 #define DESIOCQUICK     _IOWR(d, 7, struct desparams)
  78
  79 #endif
  80
  81 /*
  82  * Software DES.
  83  */
  84 extern int _des_crypt ( char *, int, struct desparams * );