Annotation of qemu/d3des.h, revision 1.1.1.1

1.1       root        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:  ********************************************************************/

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