The event that occurs when a CA declares that a previously valid digital certificate issued by that CA has become invalid; usually stated with an effective date.
The event that occurs when a CA declares that a previously valid digital certificate issued by that CA has become invalid; usually stated with an effective date.
Tutorial: In X.509, a revocation is announced to potential certificate users by issuing a CRL that mentions the certificate. Revocation and listing on a CRL is only necessary prior to the certificate's scheduled expiration.