58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#ifndef ZOIDBERG_DES_H
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#define ZOIDBERG_DES_H
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/* DES - encryption algorithm, removed double and triple DES
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**
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** Copyright 2001 Dr. Zoidberg Enterprises. All rights reserved.
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*/
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/* des.h - adapted from 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 DES_ENCRYPT 0 /* MODE == encrypt */
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#define DES_DECRYPT 1 /* MODE == decrypt */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void des_setkey(unsigned char *, short);
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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 des_usekey(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 des_cpkey(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_crypt(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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extern void des_encrypt(char *from,char *to);
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extern void des_decrypt(char *from,int fromLength,char *to);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZOIDBERG_DES_H */
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