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d3des.h

/*
 * 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 */

extern void deskey(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(unsigned long *);
/*              cookedkey[32]
 * Loads the internal key register with the data in cookedkey.
 */

extern void cpkey(unsigned long *);
/*             cookedkey[32]
 * Copies the contents of the internal key register into the storage
 * located at &cookedkey[0].
 */

extern void des(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
 ********************************************************************/

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