Create a certificate signing request file to use for authenticating the creation of the SSL certificate.

1. Launch the Keychain Access application on your Mac (usually found in the  Applications  Utilities  folder.
2. Select  Keychain Access  Certificate Assistant  Keychain Access .
3. Enter your e-mail address and name, then select Save to disk, and click Continue.
   This downloads the .certSigningRequest file to your desktop.