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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)encrypt.h 8.1 (Berkeley) 6/4/93 30 * $FreeBSD: src/crypto/telnet/libtelnet/encrypt.h,v 1.4.2.1 2002/04/13 10:59:07 markm Exp $ 31 * $DragonFly: src/crypto/telnet/libtelnet/encrypt.h,v 1.2 2003/06/17 04:24:37 dillon Exp $ 32 */ 33 34 /* 35 * Copyright (C) 1990 by the Massachusetts Institute of Technology 36 * 37 * Export of this software from the United States of America is assumed 38 * to require a specific license from the United States Government. 39 * It is the responsibility of any person or organization contemplating 40 * export to obtain such a license before exporting. 41 * 42 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 43 * distribute this software and its documentation for any purpose and 44 * without fee is hereby granted, provided that the above copyright 45 * notice appear in all copies and that both that copyright notice and 46 * this permission notice appear in supporting documentation, and that 47 * the name of M.I.T. not be used in advertising or publicity pertaining 48 * to distribution of the software without specific, written prior 49 * permission. M.I.T. makes no representations about the suitability of 50 * this software for any purpose. It is provided "as is" without express 51 * or implied warranty. 52 */ 53 54 #ifdef ENCRYPTION 55 # ifndef __ENCRYPTION__ 56 # define __ENCRYPTION__ 57 58 #define DIR_DECRYPT 1 59 #define DIR_ENCRYPT 2 60 61 #include <openssl/des.h> 62 typedef unsigned char Block[8]; 63 typedef unsigned char *BlockT; 64 #if 0 65 typedef struct { Block __; } Schedule[16]; 66 #else 67 #define Schedule DES_key_schedule 68 #endif 69 70 #define VALIDKEY(key) ( key[0] | key[1] | key[2] | key[3] | \ 71 key[4] | key[5] | key[6] | key[7]) 72 73 #define SAMEKEY(k1, k2) (!bcmp((void *)k1, (void *)k2, sizeof(Block))) 74 75 typedef struct { 76 short type; 77 int length; 78 unsigned char *data; 79 } Session_Key; 80 81 typedef struct { 82 const char *name; 83 int type; 84 void (*output)(unsigned char *, int); 85 int (*input)(int); 86 void (*init)(int); 87 int (*start)(int, int); 88 int (*is)(unsigned char *, int); 89 int (*reply)(unsigned char *, int); 90 void (*session)(Session_Key *, int); 91 int (*keyid)(int, unsigned char *, int *); 92 void (*printsub)(unsigned char *, int, unsigned char *, int); 93 } Encryptions; 94 95 #define SK_DES 1 /* Matched Kerberos v5 KEYTYPE_DES */ 96 97 #include "enc-proto.h" 98 99 extern int encrypt_debug_mode; 100 extern int (*decrypt_input)(int); 101 extern void (*encrypt_output)(unsigned char *, int); 102 # endif /* __ENCRYPTION__ */ 103 #endif /* ENCRYPTION */ 104