OpenSSL req ca

Self signed root CA's certificate generating

generate new private key the size of the key to generate in bits
Country Name (2 letter code) [ex. GB]
State or Province Name (full name)
Locality Name (eg, city)
Organization Name (eg, company)
Organizational Unit Name (eg, section)
Common Name (eg, your name or your server's hostname)*
Email Address*
The number of days to certify the certificate for
serial number

output a self signed root CA's certificate