des.h revision 93032 
1/*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
2/* $FreeBSD: head/include/rpc/des.h 93032 2002-03-23 17:24:55Z imp $ */
3/*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part.  Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
10 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
18 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
22 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
26 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California  94043
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 * );
84