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#ifndef D3DES_H 13#define D3DES_H 1 14 15/* d3des.h - 16 * 17 * Headers and defines for d3des.c 18 * Graven Imagery, 1992. 19 * 20 * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge 21 * (GEnie : OUTER; CIS : [71755,204]) 22 */ 23 24#define EN0 0 /* MODE == encrypt */ 25#define DE1 1 /* MODE == decrypt */ 26 27void deskey(unsigned char *, int); 28/* hexkey[8] MODE 29 * Sets the internal key register according to the hexadecimal 30 * key contained in the 8 bytes of hexkey, according to the DES, 31 * for encryption or decryption according to MODE. 32 */ 33 34void usekey(unsigned long *); 35/* cookedkey[32] 36 * Loads the internal key register with the data in cookedkey. 37 */ 38 39void des(unsigned char *, unsigned char *); 40/* from[8] to[8] 41 * Encrypts/Decrypts (according to the key currently loaded in the 42 * internal key register) one block of eight bytes at address 'from' 43 * into the block at address 'to'. They can be the same. 44 */ 45 46/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery 47 ********************************************************************/ 48 49#endif 50