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 27 void 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 34 void usekey(unsigned long *); 35 /* cookedkey[32] 36 * Loads the internal key register with the data in cookedkey. 37 */ 38 39 void cpkey(unsigned long *); 40 /* cookedkey[32] 41 * Copies the contents of the internal key register into the storage 42 * located at &cookedkey[0]. 43 */ 44 45 void des(unsigned char *, unsigned char *); 46 /* from[8] to[8] 47 * Encrypts/Decrypts (according to the key currently loaded in the 48 * internal key register) one block of eight bytes at address 'from' 49 * into the block at address 'to'. They can be the same. 50 */ 51 52 /* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery 53 ********************************************************************/ 54 55 #endif 56
