onionmanager.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 
 
/*
* Copyright (c) 2020 DLTLT 
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
* Corresponding author: Niki Hrovatin <niki.hrovatin@famnit.upr.si>
*/
 
 
#ifndef ONIONMANAGER_H
#define ONIONMANAGER_H
 
#include <fstream>
#include <iostream>
#include <string.h>
#include <sodium.h>
#include <stdio.h>
 
#include "ns3/onion-routing.h"
#include "ns3/internet-module.h"
 
namespace ns3 {
 
class OnionManager : public OnionRouting
{
public:
  static TypeId GetTypeId (void);
 
  OnionManager ();
 
  ~OnionManager ();
 
  virtual void EncryptLayer (unsigned char *ciphertext, unsigned char *message, int len,
                             unsigned char *key) const;
 
  virtual void DecryptLayer (unsigned char *innerLayer, unsigned char *onion, uint16_t onionLen,
                             unsigned char *pk, unsigned char *sk) const;
 
  void GenerateNewKeyPair (void);
  unsigned char *GetPK (void);
  unsigned char *GetSK (void);
 
  std::string GetPKtoString ();
  std::string GetSKtoString ();
 
  void SetPK (unsigned char *pk);
  void SetSK (unsigned char *sk);
 
  unsigned char *StringToUchar (std::string in);
  std::string UcharToString (unsigned char *seq, int len);
 
  unsigned char *IpToBuff (uint32_t in);
 
private:
  unsigned char m_publickey[crypto_box_PUBLICKEYBYTES]; 
  unsigned char m_secretkey[crypto_box_SECRETKEYBYTES]; 
};
 
} // namespace ns3
 
#endif /* ONIONMANAGER_H */