diff --git a/raknet/SocketDataEncryptor.h b/raknet/SocketDataEncryptor.h
new file mode 100644
index 0000000..93840fa
--- /dev/null
+++ b/raknet/SocketDataEncryptor.h
@@ -0,0 +1,8 @@
+#pragma once
+
+// only SetKey is reconstructed; it is all `CNetGame::CNetGame` needs
+class SocketDataEncryptor
+{
+public:
+	static void SetKey(int iPort);
+};