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CRL
(Certificate Revocation List)
A CRL, or Certificate Revocation List, is a list of digital certificates that have been revoked by the issuing Certificate Authority (CA) before their scheduled expiration date. This is a critical component of public key infrastructure (PKI) used to maintain the security of digital communications.
CRLs are used in conjunction with protocols like SSL/TLS to ensure that compromised or invalid certificates are no longer trusted. When a user attempts to establish a secure connection, the system checks the CRL to verify the certificate's validity. While CRLs are effective, they have been largely supplemented by more efficient mechanisms like OCSP (Online Certificate Status Protocol) for real-time certificate validation.
CRLs are used in conjunction with protocols like SSL/TLS to ensure that compromised or invalid certificates are no longer trusted. When a user attempts to establish a secure connection, the system checks the CRL to verify the certificate's validity. While CRLs are effective, they have been largely supplemented by more efficient mechanisms like OCSP (Online Certificate Status Protocol) for real-time certificate validation.