xref: /dragonfly/include/rpc/des.h (revision 28c7b939)
1 /*
2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3  * unrestricted use provided that this legend is included on all tape
4  * media and as a part of the software program in whole or part.  Users
5  * may copy or modify Sun RPC without charge, but are not authorized
6  * to license or distribute it to anyone else except as part of a product or
7  * program developed by the user.
8  *
9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12  *
13  * Sun RPC is provided with no support and without any obligation on the
14  * part of Sun Microsystems, Inc. to assist in its use, correction,
15  * modification or enhancement.
16  *
17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19  * OR ANY PART THEREOF.
20  *
21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22  * or profits or other special, indirect and consequential damages, even if
23  * Sun has been advised of the possibility of such damages.
24  *
25  * Sun Microsystems, Inc.
26  * 2550 Garcia Avenue
27  * Mountain View, California  94043
28  *
29  *  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI
30  *  $DragonFly: src/include/rpc/des.h,v 1.2 2003/11/14 01:01:50 dillon Exp $
31  */
32 /*
33  * Generic DES driver interface
34  * Keep this file hardware independent!
35  * Copyright (c) 1986 by Sun Microsystems, Inc.
36  */
37 
38 #define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
39 #define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
40 
41 enum desdir { ENCRYPT, DECRYPT };
42 enum desmode { CBC, ECB };
43 
44 /*
45  * parameters to ioctl call
46  */
47 struct desparams {
48 	u_char des_key[8];	/* key (with low bit parity) */
49 	enum desdir des_dir;	/* direction */
50 	enum desmode des_mode;	/* mode */
51 	u_char des_ivec[8];	/* input vector */
52 	unsigned des_len;	/* number of bytes to crypt */
53 	union {
54 		u_char UDES_data[DES_QUICKLEN];
55 		u_char *UDES_buf;
56 	} UDES;
57 #	define des_data UDES.UDES_data	/* direct data here if quick */
58 #	define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
59 };
60 
61 #ifdef notdef
62 
63 /*
64  * These ioctls are only implemented in SunOS. Maybe someday
65  * if somebody writes a driver for DES hardware that works
66  * with FreeBSD, we can being that back.
67  */
68 
69 /*
70  * Encrypt an arbitrary sized buffer
71  */
72 #define	DESIOCBLOCK	_IOWR(d, 6, struct desparams)
73 
74 /*
75  * Encrypt of small amount of data, quickly
76  */
77 #define DESIOCQUICK	_IOWR(d, 7, struct desparams)
78 
79 #endif
80 
81 /*
82  * Software DES.
83  */
84 extern int _des_crypt ( char *, int, struct desparams * );
85