Problem:
Your organization have many certificates of different certificate types (digital signature, key encipherment), and you only want to filter only digital signature certificates when performing digital signing.
Solution:
- Log in to nSignHub (https://web.nsignhub.com) as an Enterprise Admin.
- Click on the top-right icon, and select Enterprise Settings.
- On the left pane, select Advanced.
- Click on the Certificate Filters tab.

- Click on the + icon.
- Under Type, select Key Usage, and under Field, select Digital Signature. Click Save.

- Your organization should only see digital signature certificates when performing digital signing.