Rapidly create root and intermediate certificate authorities and issue certificates for development purposes
Create a new CA in the current directory (must be empty)
ca.py -c
Create a new CA in a directory called rootCA
ca.py -c rootCA
Create a new intermediate CA in intCA under another CA at rootCA
ca.py -p rootCA -c intCA
Create a new keypair and issue a certificate for test.com within a CA at /opt/ca/intCA
ca.py -i test.com /opt/ca/intCA