Dr Andrew Scott G7VAV

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rpc_des.h
01: /*
02:  * Generic DES driver interface
03:  * Keep this file hardware independent!
04:  * Copyright (c) 2010, Oracle America, Inc.
05:  *
06:  * Redistribution and use in source and binary forms, with or without
07:  * modification, are permitted provided that the following conditions are
08:  * met:
09:  *
10:  *     * Redistributions of source code must retain the above copyright
11:  *       notice, this list of conditions and the following disclaimer.
12:  *     * Redistributions in binary form must reproduce the above
13:  *       copyright notice, this list of conditions and the following
14:  *       disclaimer in the documentation and/or other materials
15:  *       provided with the distribution.
16:  *     * Neither the name of the "Oracle America, Inc." nor the names of its
17:  *       contributors may be used to endorse or promote products derived
18:  *       from this software without specific prior written permission.
19:  *
20:  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21:  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22:  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23:  *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24:  *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25:  *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26:  *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27:  *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28:  *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29:  *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30:  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31:  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32:  */
33: 
34: #ifndef _DES_H
35: #define _DES_H
36: 
37: #include <sys/types.h>
38: 
39: #define DES_MAXLEN      65536   /* maximum # of bytes to encrypt  */
40: #define DES_QUICKLEN    16      /* maximum # of bytes to encrypt quickly */
41: 
42: enum desdir
43:   {
44:     ENCRYPT, DECRYPT
45:   };
46: enum desmode
47:   {
48:     CBC, ECB
49:   };
50: 
51: /*
52:  * parameters to ioctl call
53:  */
54: struct desparams
55:   {
56:     u_char des_key[8];          /* key (with low bit parity) */
57:     enum desdir des_dir;        /* direction */
58:     enum desmode des_mode;      /* mode */
59:     u_char des_ivec[8];         /* input vector */
60:     unsigned des_len;           /* number of bytes to crypt */
61:     union
62:       {
63:         u_char UDES_data[DES_QUICKLEN];
64:         u_char *UDES_buf;
65:       }
66:     UDES;
67: #define des_data UDES.UDES_data /* direct data here if quick */
68: #define des_buf UDES.UDES_buf   /* otherwise, pointer to data */
69:   };
70: 
71: #endif
72: 


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© Andrew Scott 2006 - 2025,
All Rights Reserved
http://www.andrew-scott.uk/
Andrew Scott
http://www.andrew-scott.co.uk/