1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
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/*
60 * Software DES.
61 */
62extern int _des_crypt( char *, int, struct desparams * );