mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2024-10-31 09:20:38 +00:00
71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/*
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* Copyright (c) 2013-2022, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef SSU2_H__
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#define SSU2_H__
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#include <memory>
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#include "Crypto.h"
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#include "RouterInfo.h"
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#include "TransportSession.h"
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namespace i2p
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{
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namespace transport
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{
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const int SSU2_TERMINATION_TIMEOUT = 330; // 5.5 minutes
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enum SSU2MessageType
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{
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eSSU2SessionRequest = 0
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};
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class SSU2Session: public TransportSession, public std::enable_shared_from_this<SSU2Session>
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{
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union Header
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{
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uint64_t ll[2];
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uint8_t buf[16];
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struct
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{
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uint8_t connID[8];
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uint8_t packetNum[4];
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uint8_t type;
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uint8_t flags[3];
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} h;
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};
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public:
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SSU2Session (std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr,
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std::shared_ptr<const i2p::data::RouterInfo::Address> addr = nullptr, bool peerTest = false);
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~SSU2Session ();
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private:
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void SendSessionRequest ();
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void EncryptHeader (Header& h);
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void CreateHeaderMask (const uint8_t * kh1, const uint8_t * nonce1, const uint8_t * kh2, const uint8_t * nonce2);
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private:
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std::shared_ptr<i2p::crypto::X25519Keys> m_EphemeralKeys;
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std::unique_ptr<i2p::crypto::NoiseSymmetricState> m_NoiseState;
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std::shared_ptr<const i2p::data::RouterInfo::Address> m_Address;
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union
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{
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uint64_t ll[2];
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uint8_t buf[16];
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} m_HeaderMask;
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};
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}
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}
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#endif
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