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