I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#ifndef TRANSIT_TUNNEL_H__
#define TRANSIT_TUNNEL_H__
#include <inttypes.h>
#include <cryptopp/modes.h>
#include <cryptopp/aes.h>
#include "I2NPProtocol.h"
#include "TunnelEndpoint.h"
#include "TunnelGateway.h"
namespace i2p
{
namespace tunnel
{
class TransitTunnel
{
public:
TransitTunnel (uint32_t receiveTunnelID,
const uint8_t * nextIdent, uint32_t nextTunnelID,
const uint8_t * layerKey,const uint8_t * ivKey,
bool isGateway, bool isEndpoint);
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg);
void SendTunnelDataMsg (const uint8_t * gwHash, uint32_t gwTunnel, i2p::I2NPMessage * msg);
uint32_t GetTunnelID () const { return m_TunnelID; };
bool IsGateway () const { return m_IsGateway; };
bool IsEndpoint () const { return m_IsEndpoint; };
bool IsParticipant () const { return !IsGateway () && !IsEndpoint (); };
private:
void Encrypt (uint8_t * payload);
private:
uint32_t m_TunnelID, m_NextTunnelID;
uint8_t m_NextIdent[32];
uint8_t m_LayerKey[32];
uint8_t m_IVKey[32];
bool m_IsGateway, m_IsEndpoint;
TunnelEndpoint m_Endpoint;
TunnelGatewayBuffer m_Gateway;
CryptoPP::ECB_Mode<CryptoPP::AES>::Encryption m_ECBEncryption;
CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption m_CBCEncryption;
};
}
}
#endif