Click [Key and Certificate] in [SSL Settings].
Click [Register Default Key] on the right of the key pair you want to use.
Viewing details of a certificate
You can check the details of the certificate or verify the certificate by clicking the corresponding text link
under [Key Name], or the certificate icon.
Enable SSL for the Remote UI.
Click [Security Settings]
Verifying Key Pairs and Digital Certificates(P. 266)
[Remote UI Settings].