/apps/desktop/libvncserver/d3des.h

 1#ifndef D3DES_H
 2#define D3DES_H
 3
 4/*
 5 * This is D3DES (V5.09) by Richard Outerbridge with the double and
 6 * triple-length support removed for use in VNC.
 7 *
 8 * These changes are:
 9 *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
10 *
11 * This software is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 */
15
16/* d3des.h -
17 *
18 *	Headers and defines for d3des.c
19 *	Graven Imagery, 1992.
20 *
21 * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
22 *	(GEnie : OUTER; CIS : [71755,204])
23 */
24
25#define EN0	0	/* MODE == encrypt */
26#define DE1	1	/* MODE == decrypt */
27
28extern void rfbDesKey(unsigned char *, int);
29/*		      hexkey[8]     MODE
30 * Sets the internal key register according to the hexadecimal
31 * key contained in the 8 bytes of hexkey, according to the DES,
32 * for encryption or decryption according to MODE.
33 */
34
35extern void rfbUseKey(unsigned long *);
36/*		    cookedkey[32]
37 * Loads the internal key register with the data in cookedkey.
38 */
39
40extern void rfbCPKey(unsigned long *);
41/*		   cookedkey[32]
42 * Copies the contents of the internal key register into the storage
43 * located at &cookedkey[0].
44 */
45
46extern void rfbDes(unsigned char *, unsigned char *);
47/*		    from[8]	      to[8]
48 * Encrypts/Decrypts (according to the key currently loaded in the
49 * internal key register) one block of eight bytes at address 'from'
50 * into the block at address 'to'.  They can be the same.
51 */
52
53/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
54 ********************************************************************/
55
56#endif