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session key decryption

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orignal 2014-05-14 22:49:22 -04:00
parent 0a53555ac7
commit d3812786fa
2 changed files with 37 additions and 15 deletions
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11
SSU.h
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@ -9,6 +9,7 @@
#include <boost/asio.hpp>
#include <cryptopp/modes.h>
#include <cryptopp/aes.h>
#include "aes.h"
#include "I2PEndian.h"
#include "Identity.h"
#include "RouterInfo.h"
@ -85,7 +86,7 @@ namespace ssu
private:
void CreateAESandMacKey (const uint8_t * pubKey, uint8_t * aesKey, uint8_t * macKey);
void CreateAESandMacKey (const uint8_t * pubKey);
void ProcessMessage (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint); // call for established session
void ProcessSessionRequest (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
@ -112,7 +113,8 @@ namespace ssu
void Send (uint8_t type, const uint8_t * payload, size_t len); // with session key
void FillHeaderAndEncrypt (uint8_t payloadType, uint8_t * buf, size_t len, const uint8_t * aesKey, const uint8_t * iv, const uint8_t * macKey);
void Decrypt (uint8_t * buf, size_t len, const uint8_t * aesKey);
void Decrypt (uint8_t * buf, size_t len, const uint8_t * aesKey);
void DecryptSessionKey (uint8_t * buf, size_t len);
bool Validate (uint8_t * buf, size_t len, const uint8_t * macKey);
const uint8_t * GetIntroKey () const;
@ -132,8 +134,9 @@ namespace ssu
bool m_IsSessionKey;
uint32_t m_RelayTag;
std::set<uint32_t> m_PeerTestNonces;
CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption m_Encryption;
CryptoPP::CBC_Mode<CryptoPP::AES>::Decryption m_Decryption;
CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption m_Encryption; // TODO: remove
CryptoPP::CBC_Mode<CryptoPP::AES>::Decryption m_Decryption; // TODO: remove
i2p::crypto::CBCDecryption m_SessionKeyDecryption;
uint8_t m_SessionKey[32], m_MacKey[32];
std::list<i2p::I2NPMessage *> m_DelayedMessages;
SSUData m_Data;