Dial establishes a new QUIC session and stream to the server specified by address.

Listen creates a new Listener.

NewObfuscatedPacketConn creates a new ObfuscatedPacketConn.

Conn is a net.Conn and psiphon/common.Closer.

Listener is a net.Listener.

ObfuscatedPacketConn wraps a QUIC net.PacketConn with an obfuscation layer that obscures QUIC packets, adding random padding and producing uniformly random payload.