 Certificate revocation list

A Certificate Revocation List (CRL) is a list of digital certificates that have been revoked by a Certificate Authority (CA) before their scheduled expiration date. This revocation typically occurs when a certificate is no longer trustworthy, which can happen for several reasons, such as: 1. **Private Key Compromise:** The private key associated with the certificate may have been stolen or compromised. 2. **Change in Information:** The information within the certificate (e.g.