xref: /freebsd/include/rpc/des.h (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
1 /*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
2 /* $FreeBSD$ */
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 
39 enum desdir { ENCRYPT, DECRYPT };
40 enum desmode { CBC, ECB };
41 
42 /*
43  * parameters to ioctl call
44  */
45 struct 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  */
82 extern int _des_crypt( char *, int, struct desparams * );
83