ref: 2e6e0c288526cec62c5ac2906d3351e4d624a033
key_exchange/kx-init-dh
#! /bin/bash -x
cd $(dirname $0)
WORK_DIR=./keys
test -d ${WORK_DIR} || mkdir -p ${WORK_DIR}
openssl genpkey -genparam -algorithm DH -out ${WORK_DIR}/dhp.pem -pkeyopt dh_paramgen_prime_len:4096