This allows you to generate a certificate request towards getting your own SSL/TLS certificate.
Navigate to Manager View > Global Objects > Certificates and select New Signing Request. A screen is displayed which requires you to fill the details.
Subject Key Size / Curve - Choose the subject key size from 1024 bits (default), 1536 bits, 2048 bits, 4096 bits
Click Generate to view the generated certificate request in the Certificates screen. To exit the screen, click Back.