Process of associating two related elements of information.
NIST SP 800-32
The association of a HoA and CoA for a given amount of time.
NIST SP 800-119
An acknowledgment by a trusted third party that associates an entity’s identity with its public key. This may take place through (1) a certification authority’s generation of a public key certificate, (2) a security officer’s verification of an entity’s credentials and placement of the entity’s public key and identifier in a secure database, or (3) an analogous method.
NIST SP 800-21 Second edition
Assurance of the integrity of an asserted relationship between items of information that is provided by cryptographic means. Also see Trusted association.
NIST SP 800-56A Rev. 2
NIST SP 800-56B Rev. 1