A fingerprint manually added in the config file may be missing in the keyring.
Select new date in a popup. Controlled by a specific configuration flag.
Applying Exportable and Non-Revocable options cannot be undone.
Avoid confusing text behind default transparent popup.
In-place editing with a popup if user is allowed in app config file. User must of course manage at least a private key. User identities of target key may be selectively chosen. Optionally, certification may be exportable and non-revocable.