openssl genrsa -out ca.key 1024
openssl rsa -in ca.key -out ca.key
openssl req -new -x509 -key ca.key -out ca.crt -days 365
openssl genrsa -out server.key 2048
openssl req -new -key server.key -out server.csr
openssl x509 -req -in server.csr -CA ca.crt -CAkey ca.key -set_serial 01 -out server.crt -days 365
