qkd-encryptor.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2020 DOTFEESA www.tk.etf.unsa.ba
 *
 * 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
 *
 * Author: Miralem Mehic <miralem.mehic@ieee.org>
 */
 
#ifndef QKDEncryptor_H
#define QKDEncryptor_H
 
#include <algorithm>
#include <stdint.h>
 
#include "ns3/header.h"
#include "ns3/tcp-header.h"
#include "ns3/udp-header.h" 
#include "ns3/icmpv4.h"
 
#include "ns3/dsdv-packet.h"  
#include "ns3/aodv-packet.h" 
#include "ns3/olsr-header.h" 
 
#include "ns3/packet.h"
#include "ns3/tag.h" 
#include "ns3/object.h"
#include "ns3/callback.h"
#include "ns3/assert.h"
#include "ns3/ptr.h"
#include "ns3/deprecated.h"
#include "ns3/traced-value.h"
#include "ns3/packet-metadata.h"
#include "ns3/trace-source-accessor.h"
#include "ns3/qkd-buffer.h" 
#include "ns3/qkd-key.h"
#include "ns3/net-device.h"
#include "ns3/node.h" 
 
#include <crypto++/aes.h>
#include <crypto++/modes.h>
#include <crypto++/filters.h>
#include <crypto++/hex.h>
#include <crypto++/osrng.h>
#include <crypto++/ccm.h>
#include <crypto++/vmac.h>
#include <crypto++/iterhash.h>
#include <crypto++/secblock.h>
#include <crypto++/sha.h>
#include <cryptopp/base64.h>
#include <vector>
 
typedef unsigned char byte;
#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
#include <crypto++/md5.h> 
 
namespace ns3 {
 
class QKDEncryptor : public Object
{
public:
     
    enum EncryptionType {
        UNENCRYPTED,
        QKDCRYPTO_OTP,
        QKDCRYPTO_AES
    };
 
    enum AuthenticationType {
        UNAUTHENTICATED,
        QKDCRYPTO_AUTH_VMAC,
        QKDCRYPTO_AUTH_MD5,
        QKDCRYPTO_AUTH_SHA1
    };
 
    QKDEncryptor (EncryptionType type1, AuthenticationType type2);
    QKDEncryptor (EncryptionType type1, AuthenticationType type2, uint32_t authTagLength);
    void ChangeSettings (EncryptionType type1, AuthenticationType type2, uint32_t authTagLength);
    virtual ~QKDEncryptor (); 
 
    static TypeId GetTypeId (void);
    
    void SetNode (Ptr<Node> node);
 
    Ptr<Node> GetNode ();
 
    void SetIndex (uint32_t index);
 
    uint32_t GetIndex ();
  
    std::string OTP (const std::string& key, const std::string& data);
        
    std::string AESEncrypt (const std::string& key, const std::string& data);
 
    std::string AESDecrypt (const std::string& key, const std::string& data);
 
    std::string EncryptMsg(std::string input, std::string key);
 
    std::string DecryptMsg (std::string input, std::string key);
 
    std::string Authenticate(std::string& data, std::string key = "0");
 
    bool CheckAuthentication(std::string payload, std::string authTag, std::string key = "0");
 
    std::string HexEncode(const std::string& data);
 
    std::string HexDecode(const std::string& data);
 
    std::string Base64Encode(std::string input);
 
    std::string Base64Decode(std::string input); 
 
    std::string VMAC (std::string& key, std::string& inputString);
 
    std::string MD5 (std::string& inputString);
 
    std::string SHA1 (std::string& inputString);  
 
private:
 
    byte m_iv [ CryptoPP::AES::BLOCKSIZE ];
 
    Ptr<Node>   m_node; 
    uint32_t    m_index; 
 
    bool        m_encryptionEnabled;  
    bool        m_compressionEnabled; 
    uint32_t    m_authenticationTagLengthInBits; 
    
    EncryptionType m_encryptionType;  
    AuthenticationType m_authenticationType; 
 
    TracedCallback<Ptr<Packet> > m_encryptionTrace; 
    TracedCallback<Ptr<Packet> > m_decryptionTrace; 
 
    TracedCallback<Ptr<Packet>, std::string > m_authenticationTrace; 
    TracedCallback<Ptr<Packet>, std::string > m_deauthenticationTrace; 
 
 
}; 
} // namespace ns3
 
#endif /* QKDEncryptor_QKD_H */