ref: 41c3cbf1d8b6bcf5e84feacbe34a5ef9d0200587
key_exchange/ecdh/kx-init-dh
#! /bin/bash -x cd $(dirname $0) WORK_DIR=./keys test -d ${WORK_DIR} || mkdir -p ${WORK_DIR} openssl ecparam -name prime256v1 -out ${WORK_DIR}/prime256v1.pem