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Certificate Authority (CA)

Definition(s):

  A trusted entity that issues and revokes public key certificates.
Source(s):
NIST SP 1800-16B under Certificate Authority from NISTIR 8149
NIST SP 1800-16C from NISTIR 8149
NIST SP 1800-16D under Certificate Authority from NISTIR 8149
NIST SP 1800-21C
NISTIR 8149

  The entity in a Public Key Infrastructure (PKI) that is responsible for issuing public-key certificates and exacting compliance to a PKI policy. Also known as a Certification Authority.
Source(s):
NIST SP 800-56B Rev. 2