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MacTag

Definitions:

  Transmitted full or truncated HMAC output.
Sources:
NIST SP 800-107 Rev. 1 under MacTag

  A byte string that allows an entity to verify the integrity of the information. MacTag is the output from the MAC algorithm (possibly after truncation). The literature sometimes refers to MacTag as a Message Authentication Code (MAC).
Sources:
NIST SP 800-56B Rev. 2 under MacTag