xref: /dragonfly/include/rpc/des.h (revision ef2687d4)
1 /*-
2  * Copyright (c) 2009, Sun Microsystems, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  * - Redistributions of source code must retain the above copyright notice,
8  *   this list of conditions and the following disclaimer.
9  * - Redistributions in binary form must reproduce the above copyright notice,
10  *   this list of conditions and the following disclaimer in the documentation
11  *   and/or other materials provided with the distribution.
12  * - Neither the name of Sun Microsystems, Inc. nor the names of its
13  *   contributors may be used to endorse or promote products derived
14  *   from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  *
28  *  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI
29  *  $DragonFly: src/include/rpc/des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
30  */
31 /*
32  * Generic DES driver interface
33  * Keep this file hardware independent!
34  * Copyright (c) 1986 by Sun Microsystems, Inc.
35  */
36 
37 #include <sys/ioccom.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 { ENCRYPT, DECRYPT };
43 enum desmode { CBC, ECB };
44 
45 /*
46  * parameters to ioctl call
47  */
48 struct desparams {
49 	u_char des_key[8];	/* key (with low bit parity) */
50 	enum desdir des_dir;	/* direction */
51 	enum desmode des_mode;	/* mode */
52 	u_char des_ivec[8];	/* input vector */
53 	unsigned des_len;	/* number of bytes to crypt */
54 	union {
55 		u_char UDES_data[DES_QUICKLEN];
56 		u_char *UDES_buf;
57 	} UDES;
58 #	define des_data UDES.UDES_data	/* direct data here if quick */
59 #	define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
60 };
61 
62 #ifdef notdef
63 
64 /*
65  * These ioctls are only implemented in SunOS. Maybe someday
66  * if somebody writes a driver for DES hardware that works
67  * with FreeBSD, we can being that back.
68  */
69 
70 /*
71  * Encrypt an arbitrary sized buffer
72  */
73 #define	DESIOCBLOCK	_IOWR(d, 6, struct desparams)
74 
75 /*
76  * Encrypt of small amount of data, quickly
77  */
78 #define DESIOCQUICK	_IOWR(d, 7, struct desparams)
79 
80 #endif
81 
82 /*
83  * Software DES.
84  */
85 extern int _des_crypt ( char *, int, struct desparams * );
86