NTCP2 added

libi2pd/NTCP2.h

@@ -0,0 +1,32 @@
+#ifndef NTCP2_H__
+#define NTCP2_H__
+
+#include <inttypes.h>
+#include <memory>
+#include "RouterInfo.h"
+#include "TransportSession.h"
+
+namespace i2p
+{
+namespace transport
+{
+	class NTCP2Session: public TransportSession, public std::enable_shared_from_this<NTCP2Session>
+	{
+		public:
+
+			NTCP2Session (std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr); // TODO
+			~NTCP2Session ();
+
+		private:
+
+			void CreateEphemeralKey (uint8_t * pub);
+			void SendSessionRequest (const uint8_t * iv);
+
+		private:
+
+			uint8_t m_ExpandedPrivateKey[64]; // x25519 ephemeral key
+	};
+}
+}
+
+#endif