code: func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS []string) ([]byte, []byte, error) {
  	return GenerateSelfSignedCertKeyWithFixtures(host, alternateIPs, alternateDNS, "")
  }
docs: // GenerateSelfSignedCertKey creates a self-signed certificate and key for the given host.
  // Host may be an IP or a DNS name
  // You may also specify additional subject alt names (either ip or dns names) for the certificate.