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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* This is D3DES (V5.09) by Richard Outerbridge with the double and
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* triple-length support removed for use in VNC.
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*
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* These changes are:
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* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* d3des.h -
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*
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* Headers and defines for d3des.c
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* Graven Imagery, 1992.
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*
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* Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
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* (GEnie : OUTER; CIS : [71755,204])
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*/
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#define EN0 0 /* MODE == encrypt */
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#define DE1 1 /* MODE == decrypt */
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/* init to 0 */
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typedef struct {
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unsigned long KnL[32];
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} DESContext;
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extern void deskey (DESContext * ctx, unsigned char *, int);
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/* hexkey[8] MODE
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* Sets the internal key register according to the hexadecimal
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* key contained in the 8 bytes of hexkey, according to the DES,
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* for encryption or decryption according to MODE.
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*/
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extern void usekey (DESContext * ctx, unsigned long *);
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/* cookedkey[32]
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* Loads the internal key register with the data in cookedkey.
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*/
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extern void cpkey (DESContext * ctx, unsigned long *);
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/* cookedkey[32]
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* Copies the contents of the internal key register into the storage
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* located at &cookedkey[0].
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*/
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extern void des (DESContext * ctx, unsigned char *, unsigned char *);
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/* from[8] to[8]
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* Encrypts/Decrypts (according to the key currently loaded in the
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* internal key register) one block of eight bytes at address 'from'
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* into the block at address 'to'. They can be the same.
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*/
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/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
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********************************************************************/
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