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 * $FreeBSD: src/crypto/telnet/libtelnet/encrypt.h,v 1.4.2.1 2002/04/13 10:59:07 markm Exp $ 35 * $DragonFly: src/crypto/telnet/libtelnet/encrypt.h,v 1.2 2003/06/17 04:24:37 dillon Exp $ 36 */ 37 38 /* 39 * Copyright (C) 1990 by the Massachusetts Institute of Technology 40 * 41 * Export of this software from the United States of America is assumed 42 * to require a specific license from the United States Government. 43 * It is the responsibility of any person or organization contemplating 44 * export to obtain such a license before exporting. 45 * 46 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 47 * distribute this software and its documentation for any purpose and 48 * without fee is hereby granted, provided that the above copyright 49 * notice appear in all copies and that both that copyright notice and 50 * this permission notice appear in supporting documentation, and that 51 * the name of M.I.T. not be used in advertising or publicity pertaining 52 * to distribution of the software without specific, written prior 53 * permission. M.I.T. makes no representations about the suitability of 54 * this software for any purpose. It is provided "as is" without express 55 * or implied warranty. 56 */ 57 58 #ifdef ENCRYPTION 59 # ifndef __ENCRYPTION__ 60 # define __ENCRYPTION__ 61 62 #define DIR_DECRYPT 1 63 #define DIR_ENCRYPT 2 64 65 #include <openssl/des.h> 66 typedef unsigned char Block[8]; 67 typedef unsigned char *BlockT; 68 #if 0 69 typedef struct { Block __; } Schedule[16]; 70 #else 71 #define Schedule des_key_schedule 72 #endif 73 74 #define VALIDKEY(key) ( key[0] | key[1] | key[2] | key[3] | \ 75 key[4] | key[5] | key[6] | key[7]) 76 77 #define SAMEKEY(k1, k2) (!bcmp((void *)k1, (void *)k2, sizeof(Block))) 78 79 typedef struct { 80 short type; 81 int length; 82 unsigned char *data; 83 } Session_Key; 84 85 typedef struct { 86 const char *name; 87 int type; 88 void (*output)(unsigned char *, int); 89 int (*input)(int); 90 void (*init)(int); 91 int (*start)(int, int); 92 int (*is)(unsigned char *, int); 93 int (*reply)(unsigned char *, int); 94 void (*session)(Session_Key *, int); 95 int (*keyid)(int, unsigned char *, int *); 96 void (*printsub)(unsigned char *, int, unsigned char *, int); 97 } Encryptions; 98 99 #define SK_DES 1 /* Matched Kerberos v5 KEYTYPE_DES */ 100 101 #include "enc-proto.h" 102 103 extern int encrypt_debug_mode; 104 extern int (*decrypt_input)(int); 105 extern void (*encrypt_output)(unsigned char *, int); 106 # endif /* __ENCRYPTION__ */ 107 #endif /* ENCRYPTION */ 108