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