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
