Elligator added

build/CMakeLists.txt

@@ -82,6 +82,7 @@ set (LIBI2PD_SRC
   "${LIBI2PD_SRC_DIR}/Ed25519.cpp"
   "${LIBI2PD_SRC_DIR}/NTCP2.cpp"
   "${LIBI2PD_SRC_DIR}/Blinding.cpp"
+  "${LIBI2PD_SRC_DIR}/Elligator.cpp"
 )
 
 if (WITH_WEBSOCKETS)

libi2pd/Elligator.cpp

@@ -0,0 +1,30 @@
+#include "Elligator.h"
+
+namespace i2p
+{
+namespace crypto
+{
+	Elligator2::Elligator2 ()
+	{
+	}
+
+	Elligator2::~Elligator2 ()
+	{
+	}
+
+	static std::unique_ptr<Elligator2> g_Elligator;
+	std::unique_ptr<Elligator2>& GetElligator ()
+	{
+		if (!g_Elligator)
+		{
+			auto el = new Elligator2();
+			if (!g_Elligator) // make sure it was not created already
+				g_Elligator.reset (el);
+			else
+				delete el;
+		}
+		return g_Elligator;
+	}
+}
+}
+

libi2pd/Elligator.h

@@ -0,0 +1,25 @@
+#ifndef ELLIGATOR_H__
+#define ELLIGATOR_H__
+
+#include <memory>
+
+namespace i2p
+{
+namespace crypto
+{
+
+	class Elligator2
+	{
+		public:
+
+			Elligator2 ();
+			~Elligator2 ();
+	};
+
+	std::unique_ptr<Elligator2>& GetElligator ();
+}
+}
+
+#endif
+
+