May 13, 2018

Hello Libbitcoin Team! Quick question regarding setting certificate for zmq curve. I can't find any official documentation on the following comment in the protocol::socket object source: ```// Use on client for both set_public_key and set_private_key from a cert. // If CURVE is not required by server, call set_certificate({ null_hash }) // to generate an arbitrary client certificate for a secure socket.``` Is the null_hash passed to zmq with ZMQ_CURVE_SECRETKEY/ZMQ_CURVE_PUBLICKEY set to null, and zmq automatically generates a temp pair? If "curve is not required by server", doesn't the clien…