1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. 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 * @(#)encrypt.h 8.1 (Berkeley) 6/4/93 34 */ 35 36 /* 37 * Copyright (C) 1990 by the Massachusetts Institute of Technology 38 * 39 * Export of this software from the United States of America is assumed 40 * to require a specific license from the United States Government. 41 * It is the responsibility of any person or organization contemplating 42 * export to obtain such a license before exporting. 43 * 44 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 45 * distribute this software and its documentation for any purpose and 46 * without fee is hereby granted, provided that the above copyright 47 * notice appear in all copies and that both that copyright notice and 48 * this permission notice appear in supporting documentation, and that 49 * the name of M.I.T. not be used in advertising or publicity pertaining 50 * to distribution of the software without specific, written prior 51 * permission. M.I.T. makes no representations about the suitability of 52 * this software for any purpose. It is provided "as is" without express 53 * or implied warranty. 54 */ 55 56 #ifdef ENCRYPTION 57 # ifndef __ENCRYPTION__ 58 # define __ENCRYPTION__ 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 /* __ENCRYPTION__ */ 108 #endif /* ENCRYPTION */ 109