@Override
            public SSLContext call() throws GeneralSecurityException, IOException,
                    OperatorCreationException {
                return createClientContext(host);
            }
Create a client {@link SSLEngine} with the remote server IP and port.

@param host Remote server host.
@param port Remote server port.
@return A client {@link SSLEngine} instance.
@throws ExecutionException If an execution error has occurred.
netbare-core/src/main/java/com/github/megatronking/netbare/ssl/SSLEngineFactory.java