i2pd/Reseed.h
2015-02-20 15:11:00 -05:00

83 lines
1.9 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 TlsSession
{
public:
TlsSession (const std::string& host, int port);
void Send (const uint8_t * buf, size_t len);
bool Receive (std::ostream& rs);
private:
void Handshake ();
void SendHandshakeMsg (uint8_t handshakeType, uint8_t * data, size_t len);
CryptoPP::RSA::PublicKey ExtractPublicKey (const uint8_t * certificate, size_t len);
void PRF (const uint8_t * secret, const char * label, const uint8_t * random, size_t randomLen,
size_t len, uint8_t * buf);
void CalculateMAC (uint8_t type, const uint8_t * buf, size_t len, uint8_t * mac);
size_t Encrypt (const uint8_t * in, size_t len, const uint8_t * mac, uint8_t * out);
size_t Decrypt (uint8_t * buf, size_t len); // pyaload is buf + 16
private:
uint64_t m_Seqn;
boost::asio::ip::tcp::iostream m_Site;
CryptoPP::SHA256 m_FinishedHash;
CryptoPP::AutoSeededRandomPool m_Rnd;
i2p::crypto::CBCEncryption m_Encryption;
i2p::crypto::CBCDecryption m_Decryption;
uint8_t m_MacKey[32]; // client
};
}
}
#endif