xref: /freebsd/include/rpc/des.h (revision 39beb93c)
1 /*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
2 /* $FreeBSD$ */
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 
40 enum desdir { ENCRYPT, DECRYPT };
41 enum desmode { CBC, ECB };
42 
43 /*
44  * parameters to ioctl call
45  */
46 struct 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  */
83 extern int _des_crypt( char *, int, struct desparams * );
84