gstreamer/gst/librfb/d3des.h
Tim-Philipp Müller 14d20271c1 rfbsrc: make authentication handshake safe for multiple instances
Move DES key into context struct.
2013-05-11 00:29:40 +01:00

60 lines
1.8 KiB
C

/*
* This is D3DES (V5.09) by Richard Outerbridge with the double and
* triple-length support removed for use in VNC.
*
* These changes are:
* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
/* d3des.h -
*
* Headers and defines for d3des.c
* Graven Imagery, 1992.
*
* Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
* (GEnie : OUTER; CIS : [71755,204])
*/
#define EN0 0 /* MODE == encrypt */
#define DE1 1 /* MODE == decrypt */
/* init to 0 */
typedef struct {
unsigned long KnL[32];
} DESContext;
extern void deskey (DESContext * ctx, unsigned char *, int);
/* hexkey[8] MODE
* Sets the internal key register according to the hexadecimal
* key contained in the 8 bytes of hexkey, according to the DES,
* for encryption or decryption according to MODE.
*/
extern void usekey (DESContext * ctx, unsigned long *);
/* cookedkey[32]
* Loads the internal key register with the data in cookedkey.
*/
extern void cpkey (DESContext * ctx, unsigned long *);
/* cookedkey[32]
* Copies the contents of the internal key register into the storage
* located at &cookedkey[0].
*/
extern void des (DESContext * ctx, unsigned char *, unsigned char *);
/* from[8] to[8]
* Encrypts/Decrypts (according to the key currently loaded in the
* internal key register) one block of eight bytes at address 'from'
* into the block at address 'to'. They can be the same.
*/
/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
********************************************************************/