https certificate file generation

openssl genrsa -des3 -out jack.key 2048
openssl req -new -key jack.key -out jack.csr
openssl req -new -x509 -days 3650 -key jack.key -out jack.crt
openssl rsa -in jack.key -out jack1.key # Use the jack.key above Changsheng as input, output the new key, you can start directly without password.