A subscriber or an organisation whose details are included in a certificate may revoke the certificate at any time and for any reason. In justified cases the Key Certification Centre may also do so.

If you want to revoke or suspend your certificate:

  • go to the website for revocation and suspension of certificates (the operation requires entering “password for revocation”), or
  • send a letter requesting certificate revocation or suspension to rev@cencert.pl, signed with a valid qualified signature, or
  • send, by mail, a signed letter requesting certificate revocation or suspension to the address “Centrum Certyfikacji Kluczy CenCert, ul. Jagiellońska 78, 03-301 Warszawa.

The letter (electronic or traditional) must contain the details of the person effecting the revocation, including an email address, and data allowing the unambiguous identification of the certificate to which it relates.

The organisation whose data are recorded in the certificate may only revoke the certificate, according to the rules described above, by sending an electronic letter (signed with a qualified signature by an authorised person) or a traditional letter.

A Subscriber who wants to restore the validity of his certificate after suspension may do so by analogy to the ways described above – by sending an electronic letter (signed with a qualified signature by an authorised person) or a traditional one.
Renewal may only be carried out within 7 days of the suspension (the time taken by the Registry Officer to approve the restoration operation in the IT system is counted). After 7 days from the suspension the certificate is cancelled.

CenCert informs about certificate revocations through OCSP service and CRLs. Indications on OCSP and CRL addresses are included in the certificates issued