/*
  Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
  2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
  2016, 2017, 2018, 2019, 2020, 2021 Free Software Foundation, Inc.

  This file is part of GNU Inetutils.

  GNU Inetutils is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or (at
  your option) any later version.

  GNU Inetutils is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see `http://www.gnu.org/licenses/'. */

/*
 * 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. 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.
 */

/*
 * Copyright (C) 1990 by the Massachusetts Institute of Technology
 *
 * Export of this software from the United States of America is assumed
 * to 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.  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
int EncryptStart (char *);
int EncryptStartInput (void);
int EncryptStartOutput (void);
int EncryptStatus (void);
int EncryptStop (char *);
int EncryptStopInput (void);
int EncryptStopOutput (void);
int EncryptType (char *, char *);

void encrypt_init (char *, int);
Encryptions *findencryption (int);
void encrypt_send_supprt (void);
void encrypt_auto (int);
void decrypt_auto (int);
void encrypt_is (unsigned char *, int);
void encrypt_reply (unsigned char *, int);
void encrypt_start (unsigned char *, int);
void encrypt_start_input (int);
void encrypt_session_key (Session_Key *, int);
void encrypt_end (void);
void encrypt_end_input (void);
void encrypt_start_output (int);
void encrypt_end_output (void);
void encrypt_request_start (unsigned char *, int);
void encrypt_send_request_start (void);
void encrypt_request_end (void);
void encrypt_send_request_end (void);
void encrypt_send_end (void);
void encrypt_wait (void);
void encrypt_support (unsigned char *, int);
void encrypt_send_support (void);
void encrypt_dec_keyid (unsigned char *, int);
void encrypt_enc_keyid (unsigned char *, int);
void encrypt_send_keyid (int, unsigned char *, int, int);
void encrypt_printsub (unsigned char *, int, char *, int);
int net_write (unsigned char *, int);

# ifdef	TELNETD
void encrypt_wait (void);
# else
int encrypt_cmd (int, char **);
void encrypt_display (void);
# endif

void krbdes_encrypt (unsigned char *, int);
int krbdes_decrypt (int);
int krbdes_is (unsigned char *, int);
int krbdes_reply (unsigned char *, int);
void krbdes_init (int);
int krbdes_start (int, int);
void krbdes_session (Session_Key *, int);
void krbdes_printsub (unsigned char *, int, char *, int);

void cfb64_encrypt (unsigned char *, int);
int cfb64_decrypt (int);
void cfb64_init (int);
int cfb64_start (int, int);
int cfb64_is (unsigned char *, int);
int cfb64_reply (unsigned char *, int);
void cfb64_session (Session_Key *, int);
int cfb64_keyid (int, unsigned char *, int *);
void cfb64_printsub (unsigned char *, int, char *, int);

void ofb64_encrypt (unsigned char *, int);
int ofb64_decrypt (int);
void ofb64_init (int);
int ofb64_start (int, int);
int ofb64_is (unsigned char *, int);
int ofb64_reply (unsigned char *, int);
void ofb64_session (Session_Key *, int);
int ofb64_keyid (int, unsigned char *, int *);
void ofb64_printsub (unsigned char *, int, char *, int);

int des_new_random_key (Block);
void des_set_random_generator_seed (Block);
void des_key_sched (Block, Schedule);
void des_ecb_encrypt (Block, Block, Schedule, int);
int des_string_to_key (char *, Block);
#endif /* ENCRYPTION */
