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Certificate revocation list; Filename extension.crl. Internet media type: application/pkix-crl. Initial release: ... as this format is commonly used by PKI schemes.
Without revocation, an attacker could exploit such a compromised or misissued certificate until expiry. Hence, revocation is an important part of a public key infrastructure. Revocation is performed by the issuing certificate authority, which produces a cryptographically authenticated statement of revocation.
The OCSP responder uses the certificate serial number to look up the revocation status of Alice's certificate. The OCSP responder looks in a CA database that Carol maintains. In this scenario, Carol's CA database is the only trusted location where a compromise to Alice's certificate would be recorded.
.crl – A Certificate Revocation List (CRL). Certificate Authorities produce these as a way to de-authorize certificates before expiration. PKCS#7 is a standard for signing or encrypting (officially called "enveloping") data. Since the certificate is needed to verify signed data, it is possible to include them in the SignedData structure.
Without revocation, an attacker would be able to exploit such a compromised or misissued certificate until expiry. [31] Hence, revocation is an important part of a public key infrastructure. [32] Revocation is performed by the issuing CA, which produces a cryptographically authenticated statement of revocation. [33]
The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. [1]
Certificate revocation list This page was last edited on 21 March 2023, at 14:01 (UTC). Text is available under the Creative Commons Attribution ...
The signed timestamp makes it possible to prove later at what time a document was signed (as the timestamp is derived from the document hash) and that each signing certificate was not in certificate revocation list at the time of signing. Any signatures prior to the revocation are still valid (therefore, documents do not have to be resigned ...