i2pd/Reseed.h
2015-04-01 13:55:50 -04:00

93 lines
2.0 KiB
C++

#ifndef RESEED_H
#define RESEED_H
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <cryptopp/osrng.h>
#include <cryptopp/rsa.h>
#include <boost/asio.hpp>
#include "Identity.h"
#include "aes.h"
namespace i2p
{
namespace data
{
class Reseeder
{
typedef Tag<512> PublicKey;
public:
Reseeder();
~Reseeder();
bool reseedNow(); // depreacted
int ReseedNowSU3 ();
void LoadCertificates ();
private:
void LoadCertificate (const std::string& filename);
std::string LoadCertificate (CryptoPP::ByteQueue& queue); // returns issuer's name
int ReseedFromSU3 (const std::string& host, bool https = false);
int ProcessSU3File (const char * filename);
int ProcessSU3Stream (std::istream& s);
bool FindZipDataDescriptor (std::istream& s);
std::string HttpsRequest (const std::string& address);
private:
std::map<std::string, PublicKey> m_SigningKeys;
};
class TlsCipher
{
public:
virtual ~TlsCipher () {};
virtual void CalculateMAC (uint8_t type, const uint8_t * buf, size_t len, uint8_t * mac) = 0;
virtual size_t Encrypt (const uint8_t * in, size_t len, const uint8_t * mac, uint8_t * out) = 0;
virtual size_t Decrypt (uint8_t * buf, size_t len) = 0;
};
class TlsSession
{
public:
TlsSession (const std::string& host, int port);
~TlsSession ();
void Send (const uint8_t * buf, size_t len);
bool Receive (std::ostream& rs);
static void PRF (const uint8_t * secret, const char * label, const uint8_t * random, size_t randomLen,
size_t len, uint8_t * buf);
private:
void Handshake ();
void SendHandshakeMsg (uint8_t handshakeType, uint8_t * data, size_t len);
void SendFinishedMsg ();
CryptoPP::RSA::PublicKey ExtractPublicKey (const uint8_t * certificate, size_t len);
private:
boost::asio::ip::tcp::iostream m_Site;
CryptoPP::SHA256 m_FinishedHash;
uint8_t m_MasterSecret[64]; // actual size is 48, but must be multiple of 32
TlsCipher * m_Cipher;
};
}
}
#endif