des.h revision 261046 
1/*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
2/* $FreeBSD: stable/10/include/rpc/des.h 261046 2014-01-22 23:45:27Z mav $ */
3/*-
4 * Copyright (c) 2009, Sun Microsystems, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 *   this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 *   this list of conditions and the following disclaimer in the documentation
13 *   and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 *   contributors may be used to endorse or promote products derived
16 *   from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30/*
31 * Generic DES driver interface
32 * Keep this file hardware independent!
33 * Copyright (c) 1986 by Sun Microsystems, Inc.
34 */
35
36#define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
37#define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
38
39enum desdir { ENCRYPT, DECRYPT };
40enum desmode { CBC, ECB };
41
42/*
43 * parameters to ioctl call
44 */
45struct desparams {
46	u_char des_key[8];	/* key (with low bit parity) */
47	enum desdir des_dir;	/* direction */
48	enum desmode des_mode;	/* mode */
49	u_char des_ivec[8];	/* input vector */
50	unsigned des_len;	/* number of bytes to crypt */
51	union {
52		u_char UDES_data[DES_QUICKLEN];
53		u_char *UDES_buf;
54	} UDES;
55#	define des_data UDES.UDES_data	/* direct data here if quick */
56#	define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
57};
58
59#ifdef notdef
60
61/*
62 * These ioctls are only implemented in SunOS. Maybe someday
63 * if somebody writes a driver for DES hardware that works
64 * with FreeBSD, we can being that back.
65 */
66
67/*
68 * Encrypt an arbitrary sized buffer
69 */
70#define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
71
72/*
73 * Encrypt of small amount of data, quickly
74 */
75#define DESIOCQUICK	_IOWR('d', 7, struct desparams)
76
77#endif
78
79/*
80 * Software DES.
81 */
82extern int _des_crypt( char *, int, struct desparams * );
83