des.h revision 39661 
1/*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
2/*
3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4 * unrestricted use provided that this legend is included on all tape
5 * media and as a part of the software program in whole or part.  Users
6 * may copy or modify Sun RPC without charge, but are not authorized
7 * to license or distribute it to anyone else except as part of a product or
8 * program developed by the user.
9 *
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 *
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
17 *
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
21 *
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
25 *
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California  94043
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 __P(( char *, int, struct desparams * ));
83