protocol Online Certificate Status Protocol(A protocol that allows real-time validation of a certificate's status by having the CryptoAPI make a call to an OCSP responder and the OCSP responder providing an immediate validation of the revocation status for the presented certificate. Typically, an OCSP responder responds with the revocation status check request based on the certificate revocation list (CRL) or other forms of revocation status it retrieves from the certification authorities)
