Testing a signature certificate Once you have installed your Signature certificate, or if you have any doubt about its working order, you may test it with this link.
Testing an authentication certificate Once you have installed your Authentication certificate, or if you have any doubt about its working order, you may test it with this link.
Revoking a certificate
At the least sign of compromission, loss,
theft, or fraud suspicion, this link enables you to revoke (make not valid) your certificate.