| 1 | /* |
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| 2 | * This is D3DES (V5.09) by Richard Outerbridge with the double and |
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| 3 | * triple-length support removed for use in VNC. |
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| 4 | * |
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| 5 | * These changes are: |
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| 6 | * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved. |
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| 7 | * |
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| 8 | * This software is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 11 | */ |
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| 12 | |
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| 13 | /* d3des.h - |
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| 14 | * |
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| 15 | * Headers and defines for d3des.c |
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| 16 | * Graven Imagery, 1992. |
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| 17 | * |
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| 18 | * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge |
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| 19 | * (GEnie : OUTER; CIS : [71755,204]) |
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| 20 | */ |
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| 21 | |
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| 22 | #define EN0 0 /* MODE == encrypt */ |
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| 23 | #define DE1 1 /* MODE == decrypt */ |
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| 24 | |
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| 25 | extern void deskey(unsigned char *, int); |
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| 26 | /* hexkey[8] MODE |
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| 27 | * Sets the internal key register according to the hexadecimal |
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| 28 | * key contained in the 8 bytes of hexkey, according to the DES, |
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| 29 | * for encryption or decryption according to MODE. |
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| 30 | */ |
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| 31 | |
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| 32 | extern void usekey(unsigned long *); |
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| 33 | /* cookedkey[32] |
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| 34 | * Loads the internal key register with the data in cookedkey. |
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| 35 | */ |
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| 36 | |
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| 37 | extern void cpkey(unsigned long *); |
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| 38 | /* cookedkey[32] |
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| 39 | * Copies the contents of the internal key register into the storage |
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| 40 | * located at &cookedkey[0]. |
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| 41 | */ |
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| 42 | |
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| 43 | extern void des(unsigned char *, unsigned char *); |
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| 44 | /* from[8] to[8] |
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| 45 | * Encrypts/Decrypts (according to the key currently loaded in the |
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| 46 | * internal key register) one block of eight bytes at address 'from' |
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| 47 | * into the block at address 'to'. They can be the same. |
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| 48 | */ |
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| 49 | |
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| 50 | /* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery |
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| 51 | ********************************************************************/ |
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