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Public CA

Definition(s):

  A trusted third party that issues certificates as defined in IETF RFC 5280. A CA is considered public if its root certificate is included in browsers and other applications by the developers of those browsers and applications. The CA/Browser Forum defines the requirements public CAs must follow in their operations.
Source(s):
NIST SP 1800-16B
NIST SP 1800-16C
NIST SP 1800-16D