Which protocol is an IETF standard that defines the PKI digital certificate format?

Last Updated: Feb 12, 2022
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Which protocol is an IETF standard that defines the PKI digital certificate format?

  • SSL/TLS
  • X.500
  • LDAP
  • X.509

Explanation: To address the interoperability of different PKI vendors, IETF published the Internet X.509 Public Key Infrastructure Certificate Policy and Certification Practices Framework (RFC 2527). The standard defines the format of a digital certificate.

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