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encrypt.h revision 1.2 
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)encrypt.h	5.2 (Berkeley) 3/22/91
     34  *	$Id: encrypt.h,v 1.2 1993/08/01 18:32:51 mycroft Exp $
     35  */
     36 
     37 /*
     38  * Copyright (C) 1990 by the Massachusetts Institute of Technology
     39  *
     40  * Export of this software from the United States of America is assumed
     41  * to require a specific license from the United States Government.
     42  * It is the responsibility of any person or organization contemplating
     43  * export to obtain such a license before exporting.
     44  *
     45  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
     46  * distribute this software and its documentation for any purpose and
     47  * without fee is hereby granted, provided that the above copyright
     48  * notice appear in all copies and that both that copyright notice and
     49  * this permission notice appear in supporting documentation, and that
     50  * the name of M.I.T. not be used in advertising or publicity pertaining
     51  * to distribution of the software without specific, written prior
     52  * permission.  M.I.T. makes no representations about the suitability of
     53  * this software for any purpose.  It is provided "as is" without express
     54  * or implied warranty.
     55  */
     56 
     57 #ifndef	__ENCRYPT__
     58 #define	__ENCRYPT__
     59 
     60 #define	DIR_DECRYPT		1
     61 #define	DIR_ENCRYPT		2
     62 
     63 typedef	unsigned char Block[8];
     64 typedef unsigned char *BlockT;
     65 typedef struct { Block _; } Schedule[16];
     66 
     67 #define	VALIDKEY(key)	( key[0] | key[1] | key[2] | key[3] | \
     68 			  key[4] | key[5] | key[6] | key[7])
     69 
     70 #define	SAMEKEY(k1, k2)	(!bcmp((void *)k1, (void *)k2, sizeof(Block)))
     71 
     72 typedef	struct {
     73 	short		type;
     74 	int		length;
     75 	unsigned char	*data;
     76 } Session_Key;
     77 
     78 #if	!defined(P)
     79 #ifdef	__STDC__
     80 #define P(x)	x
     81 #else
     82 #define P(x)	()
     83 #endif
     84 #endif
     85 
     86 typedef struct {
     87 	char	*name;
     88 	int	type;
     89 	void	(*output) P((unsigned char *, int));
     90 	int	(*input) P((int));
     91 	void	(*init) P((int));
     92 	int	(*start) P((int, int));
     93 	int	(*is) P((unsigned char *, int));
     94 	int	(*reply) P((unsigned char *, int));
     95 	void	(*session) P((Session_Key *, int));
     96 	int	(*keyid) P((int, unsigned char *, int *));
     97 	void	(*printsub) P((unsigned char *, int, unsigned char *, int));
     98 } Encryptions;
     99 
    100 #define	SK_DES		1	/* Matched Kerberos v5 KEYTYPE_DES */
    101 
    102 #include "enc-proto.h"
    103 
    104 extern int encrypt_debug_mode;
    105 extern int (*decrypt_input) P((int));
    106 extern void (*encrypt_output) P((unsigned char *, int));
    107 #endif
    108