xref: /qemu/include/crypto/desrfb.h (revision 370ed600)
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 #ifndef QCRYPTO_DESRFB_H
14 #define QCRYPTO_DESRFB_H
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 
28 void deskey(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 
35 void usekey(unsigned long *);
36 /*          cookedkey[32]
37  * Loads the internal key register with the data in cookedkey.
38  */
39 
40 void des(unsigned char *, unsigned char *);
41 /*       from[8]          to[8]
42  * Encrypts/Decrypts (according to the key currently loaded in the
43  * internal key register) one block of eight bytes at address 'from'
44  * into the block at address 'to'.  They can be the same.
45  */
46 
47 /* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
48  ********************************************************************/
49 
50 #endif
51