The ssl_certificate keyword in the config/cthttpd.json web server plug-in configuration supports the fccert.pem, which is a self-signed certificate we supplied. To use your own certificate, use the following keywords to config/cthttpd.json:
ssl_key: SSL private key - This can be embedded in the same file provided the in ssl_certificate. For example, our default fccert.pem certificate file has both the certificate and the private key, so, ssl_key is not required.
ssl_ca: SSL Certificate Authority - External authority that issues and validates the certificate.
ssl_cipher_suites - Colon-delimited list of SSL cipher suites.
