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/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)encrypt.h 8.1 (Berkeley) 6/4/93
*/
/*
* Copyright (C) 1990 by the Massachusetts Institute of Technology
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#ifdef ENCRYPTION
#ifndef __ENCRYPTION__
#define __ENCRYPTION__
#define DIR_DECRYPT 1
#define DIR_ENCRYPT 2
typedef unsigned char Block[8];
typedef unsigned char *BlockT;
typedef struct { Block _; } Schedule[16];
#define VALIDKEY(key) ( key[0] | key[1] | key[2] | key[3] | key[4] | key[5] | key[6] | key[7])
#define SAMEKEY(k1, k2) (!memcmp((void *)k1, (void *)k2, sizeof(Block)))
typedef struct {
short type;
int length;
unsigned char *data;
} Session_Key;
#if !defined(P)
#ifdef __STDC__
#define P(x) x
#else
#define P(x) ()
#endif
#endif
#ifdef DEBUG
int printsub(char, unsigned char *, size_t);
#endif
void encrypt_parse(kstream, unsigned char *, int);
typedef struct {
char *name;
int type;
void (*output) P((unsigned char *, int));
int (*input) P((int));
void (*init) P((int));
int (*start) P((int, int));
int (*is) P((unsigned char *, int));
int (*reply) P((unsigned char *, int));
void (*session) P((Session_Key *, int));
int (*keyid) P((int, unsigned char *, int *));
void (*printsub) P((unsigned char *, int, unsigned char *, int));
} Encryptions;
#define SK_DES 1 /* Matched Kerberos v5 ENCTYPE_DES */
void encrypt_init P((kstream, char *, int));
Encryptions *findencryption P((int));
void encrypt_send_supprt P((void));
void encrypt_auto P((int));
void decrypt_auto P((int));
void encrypt_is P((unsigned char *, int));
void encrypt_reply P((unsigned char *, int));
void encrypt_start_input P((int));
void encrypt_session_key P((Session_Key *, int));
void encrypt_end_input P((void));
void encrypt_start_output P((int));
void encrypt_end_output P((void));
void encrypt_send_request_start P((void));
void encrypt_send_request_end P((void));
void encrypt_send_end P((void));
void encrypt_wait P((void));
int encrypt_is_encrypting P((void));
void encrypt_send_support P((void));
void encrypt_send_keyid P((int, unsigned char *, int, int));
int net_write P((unsigned char *, int));
int encrypt_cmd P((int, char **));
void encrypt_display P((void));
void krbdes_encrypt P((unsigned char *, int));
int krbdes_decrypt P((int));
int krbdes_is P((unsigned char *, int));
int krbdes_reply P((unsigned char *, int));
void krbdes_init P((int));
int krbdes_start P((int, int));
void krbdes_session P((Session_Key *, int));
void krbdes_printsub P((unsigned char *, int, unsigned char *, int));
void cfb64_encrypt P((unsigned char *, int));
int cfb64_decrypt P((int));
void cfb64_init P((int));
int cfb64_start P((int, int));
int cfb64_is P((unsigned char *, int));
int cfb64_reply P((unsigned char *, int));
void cfb64_session P((Session_Key *, int));
int cfb64_keyid P((int, unsigned char *, int *));
void cfb64_printsub P((unsigned char *, int, unsigned char *, int));
void ofb64_encrypt P((unsigned char *, int));
int ofb64_decrypt P((int));
void ofb64_init P((int));
int ofb64_start P((int, int));
int ofb64_is P((unsigned char *, int));
int ofb64_reply P((unsigned char *, int));
void ofb64_session P((Session_Key *, int));
int ofb64_keyid P((int, unsigned char *, int *));
void ofb64_printsub P((unsigned char *, int, unsigned char *, int));
KRB5_DLLIMP int KRB5_CALLCONV
des_new_random_key P((Block));
KRB5_DLLIMP void KRB5_CALLCONV
des_set_random_generator_seed P((Block));
KRB5_DLLIMP void KRB5_CALLCONV
des_key_sched P((Block, Schedule));
KRB5_DLLIMP void KRB5_CALLCONV
des_ecb_encrypt P((Block, Block, Schedule, int));
/* int des_string_to_key P((char *, Block)); */
#ifdef DEBUG
extern int encrypt_debug_mode;
#endif
extern int (*decrypt_input) P((int));
extern void (*encrypt_output) P((unsigned char *, int));
int decrypt_ks_hack(unsigned char *, int);
#endif /* __ENCRYPTION__ */
#endif /* ENCRYPTION */
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