/*
 *  Copyright (c) 2009-2022, Peter Haag
 *  Copyright (c) 2004-2008, SWITCH - Teleinformatikdienste fuer Lehre und Forschung
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * 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.
 *   * Neither the name of the author 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 *
 */

/* Original disclaimer
 * Atlanta, Georgia 30332.
 * All Rights Reserved
 *
 * The following Software is posted on the Internet by the Georgia
 * Tech Research Corporation (GTRC). It was developed by employees
 * of the Georgia Institute of Technology in the College of Computing.
 * GTRC hereby grants to the user a non-exclusive, royalty-free
 * license to utilize such Software for the User's own purposes
 * pursuant to the following conditions.
 *
 *
 * THE SOFTWARE IS LICENSED ON AN "AS IS" BASIS. GTRC MAKES NO WARRANTY
 * THAT ALL ERRORS CAN BE OR HAVE BEEN ELIMINATED FROM THE SOFTWARE.
 * GTRC SHALL NOT BE RESPONSIBLE FOR LOSSES OF ANY KIND RESULTING FROM
 * THE USE OF THE SOFTWARE AND ITS ACCOMPANYING DOCUMENTATION, AND CAN
 * IN NO WAY PROVIDE COMPENSATION FOR ANY LOSSES SUSTAINED, INCLUDING
 * BUT NOT LIMITED TO ANY OBLIGATION, LIABILITY, RIGHT, CLAIM OR REMEDY
 * FOR TORT, OF FOR ANY ACTUAL OR ALLEGED INFRINGEMENT OF PATENTS, COPYRIGHTS,
 * TRADE SECRETS, OR SIMILAR RIGHTS OF THIRD PARTIES, NOR ANY BUSINESS
 * EXPENSE, MACHINE DOWNTIME, OR DAMAGES CAUSED LICENSEE BY ANY DEFICIENCY,
 * DEFECT OR ERROR IN THE SOFTWARE OR MALFUNCTION THEREOF, NOR ANY
 * INCIDENTAL OR CONSEQUENTIAL DAMAGES, HOWEVER CAUSED. GTRC DISCLAIMS
 * ALL WARRANTIES, BOTH EXPRESS AND IMPLIED RESPECTING THE USE AND
 * OPERATION OF THE SOFTWARE AND ANY ACCOMPANYING DOCUMENTATION,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * PARTICULAR PURPOSE AND ANY IMPLIED WARRANTY ARISING FROM COURSE
 * OF PERFORMANCE, COURSE OF DEALING OR USAGE OF TRADE. GTRC MAKES NO
 * WARRANTY THAT THE SOFTWARE IS ADEQUATELY OR COMPLETELY DESCRIBED
 * IN, OR BEHAVES IN ACCORDANCE WITH ANY OF THE ACCOMPANYING
 * DOCUMENTATION. THE USER OF THE SOFTWARE IS EXPECTED TO MAKE THE FINAL
 * EVALUATION OF THE SOFTWARE'S USEFULNESS IN USER'S OWN ENVIRONMENT.
 *
 *
 * Package: Crypto-PAn 1.0
 * File: panonymizer.h
 * Last Update: April 17, 2002
 * Author: Jinliang Fan
 *
 */

#ifndef _PANONYMIZER_H_
#define _PANONYMIZER_H_ 1

#include <sys/types.h>

#include "config.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif

#include "rijndael.h"

// PAnonymizer_Init need a 256-bit key
// The first 128 bits of the key are used as the secret key for rijndael cipher
// The second 128 bits of the key are used as the secret pad for padding
void PAnonymizer_Init(uint8_t *key);

int ParseCryptoPAnKey(char *s, char *key);

uint32_t anonymize(const uint32_t orig_addr);

void anonymize_v6(const uint64_t orig_addr[2], uint64_t *anon_addr);

#endif  //_PANONYMIZER_H_
