ui/d3des.h

   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