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moved encryption/decryption to TlsCipher

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orignal 2015-04-01 12:03:58 -04:00
parent a2aec4340d
commit 0446a5ae73
2 changed files with 96 additions and 66 deletions
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36
Reseed.h
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@ -47,34 +47,50 @@ namespace data
std::map<std::string, PublicKey> m_SigningKeys;
};
class TlsCipher_AES_256_CBC_SHA256
{
public:
TlsCipher_AES_256_CBC_SHA256 (uint8_t * masterSecret, uint8_t * random); // master secret - 48 bytes, random - 64 bytes
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); // payload is buf + 16
private:
uint64_t m_Seqn;
CryptoPP::AutoSeededRandomPool m_Rnd;
i2p::crypto::CBCEncryption m_Encryption;
i2p::crypto::CBCDecryption m_Decryption;
uint8_t m_MacKey[32]; // client
};
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);
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
TlsCipher_AES_256_CBC_SHA256 * m_Cipher;
};
}
}