Question

Explain about certificate revocation list

Answer 1

Revocation states. There are two different states of revocation defined in RFC 5280: Revoked: A certificate is irreversibly revoked if, for example, it is discovered that the certificate authority (CA) had improperly issued a certificate, or if a private-key is thought to have been compromised.

Answer 2

A CRL is a Certificate Revocation List. When any certificate is issued, it has a validity period which is defined by the Certification Authority. Usually this is one or two years. Any time a ...