Self-Signed CA and Client Certificate

self-sign-test.sh

#!/bin/bash

#Generate Self-signed CA
openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -keyout ca.key -out ca.crt

#Make a directory
mkdir client

#Generate Corresponding client certificate
openssl genrsa -out client/helios.key 2048
openssl req -new -key client/helios.key -out client/helios.csr
openssl x509 -req -days 365 -sha256 -in client/helios.csr -CA ca.crt -CAkey ca.key -set_serial 2 -out client/helios.crt