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create and encrypt SessionRequest

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orignal 2022-02-11 19:21:04 -05:00
parent 73e572b66b
commit 510fe43ec4
2 changed files with 49 additions and 13 deletions
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26
libi2pd/SSU2.h
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@ -19,9 +19,27 @@ namespace i2p
namespace transport
{
const int SSU2_TERMINATION_TIMEOUT = 330; // 5.5 minutes
enum SSU2MessageType
{
eSSU2SessionRequest = 0
};
class SSU2Session: public TransportSession, public std::enable_shared_from_this<SSU2Session>
{
union Header
{
uint64_t ll[2];
uint8_t buf[16];
struct
{
uint8_t connID[8];
uint8_t packetNum[4];
uint8_t type;
uint8_t flags[3];
} h;
};
public:
SSU2Session (std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr,
@ -31,7 +49,7 @@ namespace transport
private:
void SendSessionRequest ();
void EncryptHeader (i2p::crypto::ChipherBlock& header);
void EncryptHeader (Header& h);
void CreateHeaderMask (const uint8_t * kh1, const uint8_t * nonce1, const uint8_t * kh2, const uint8_t * nonce2);
private:
@ -40,7 +58,11 @@ namespace transport
std::unique_ptr<i2p::crypto::NoiseSymmetricState> m_NoiseState;
std::shared_ptr<const i2p::data::RouterInfo::Address> m_Address;
i2p::crypto::ChipherBlock m_HeaderMask;
union
{
uint64_t ll[2];
uint8_t buf[16];
} m_HeaderMask;
};
}
}