Digital Signatures dialog box

Applies a digital signature to the drawing.

Attach digital signature after saving drawing
Tick the box to attach the digital signature after saving the drawing.
Select digital certificate
Select the digital certificate that you want to attach to the current drawing.
Comment
Adds a comment to the signature.
Select time server
Sets a time server from the pop-up menu:
The selected time server will be used to obtain the precise time of the drawing signing. This means that when the signature is attached to the drawing during saving, the date and time from the selected time server will be inserted in the Signature date and time field of the Digital Signature Content. See the SIGVALIDATE command.