/* d3des.h - * *	Headers and defines for d3des.c *	Graven Imagery, 1992. * * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge *	(GEnie : OUTER; CIS : [71755,204]) */#define D2_DES		/* include double-length support */#define D3_DES		/* include triple-length support */#ifdef D3_DES#ifndef D2_DES#define D2_DES		/* D2_DES is needed for D3_DES */#endif#endif#define EN0	0	/* MODE == encrypt */#define DE1	1	/* MODE == decrypt *//* A useful alias on 68000-ish machines, but NOT USED HERE. */typedef union {	unsigned long blok[2];	unsigned short word[4];	unsigned char byte[8];	} M68K;extern void deskey(unsigned char *, short);/*		      hexkey[8]     MODE * Sets the internal key register according to the hexadecimal * key contained in the 8 bytes of hexkey, according to the DES, * for encryption or decryption according to MODE. */extern void usekey(unsigned long *);/*		    cookedkey[32] * Loads the internal key register with the data in cookedkey. */extern void cpkey(unsigned long *);/*		   cookedkey[32] * Copies the contents of the internal key register into the storage * located at &cookedkey[0]. */extern void des(unsigned char *, unsigned char *);/*		    from[8]	      to[8] * Encrypts/Decrypts (according to the key currently loaded in the * internal key register) one block of eight bytes at address 'from' * into the block at address 'to'.  They can be the same. */#ifdef D2_DES#define desDkey(a,b)	des2key((a),(b))extern void des2key(unsigned char *, short);/*		      hexkey[16]     MODE * Sets the internal key registerS according to the hexadecimal * keyS contained in the 16 bytes of hexkey, according to the DES, * for DOUBLE encryption or decryption according to MODE. * NOTE: this clobbers all three key registers! */extern void Ddes(unsigned char *, unsigned char *);/*		    from[8]	      to[8] * Encrypts/Decrypts (according to the keyS currently loaded in the * internal key registerS) one block of eight bytes at address 'from' * into the block at address 'to'.  They can be the same. */extern void D2des(unsigned char *, unsigned char *);/*		    from[16]	      to[16] * Encrypts/Decrypts (according to the keyS currently loaded in the * internal key registerS) one block of SIXTEEN bytes at address 'from' * into the block at address 'to'.  They can be the same. */extern void makekey(char *, unsigned char *);/*		*password,	single-length key[8] * With a double-length default key, this routine hashes a NULL-terminated * string into an eight-byte random-looking key, suitable for use with the * deskey() routine. */#define makeDkey(a,b)	make2key((a),(b))extern void make2key(char *, unsigned char *);/*		*password,	double-length key[16] * With a double-length default key, this routine hashes a NULL-terminated * string into a sixteen-byte random-looking key, suitable for use with the * des2key() routine. */#ifndef D3_DES	/* D2_DES only */#define useDkey(a)	use2key((a))#define cpDkey(a)	cp2key((a))extern void use2key(unsigned long *);/*		    cookedkey[64] * Loads the internal key registerS with the data in cookedkey. * NOTE: this clobbers all three key registers! */extern void cp2key(unsigned long *);/*		   cookedkey[64] * Copies the contents of the internal key registerS into the storage * located at &cookedkey[0]. */#else	/* D3_DES too */#define useDkey(a)	use3key((a))#define cpDkey(a)	cp3key((a))extern void des3key(unsigned char *, short);/*		      hexkey[24]     MODE * Sets the internal key registerS according to the hexadecimal * keyS contained in the 24 bytes of hexkey, according to the DES, * for DOUBLE encryption or decryption according to MODE. */extern void use3key(unsigned long *);/*		    cookedkey[96] * Loads the 3 internal key registerS with the data in cookedkey. */extern void cp3key(unsigned long *);/*		   cookedkey[96] * Copies the contents of the 3 internal key registerS into the storage * located at &cookedkey[0]. */extern void make3key(char *, unsigned char *);/*		*password,	triple-length key[24] * With a triple-length default key, this routine hashes a NULL-terminated * string into a twenty-four-byte random-looking key, suitable for use with * the des3key() routine. */#endif	/* D3_DES */#endif	/* D2_DES *//* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery ********************************************************************/