Authentication Code

nounverified· unreviewed·updated Aug 30, 2026

A cryptographic checksum based on an Approved security function (also known as a Message Authentication Code [MAC]).

Framework senses

3 senses across 3 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: A cryptographic checksum based on an Approved security function (also known as a Message Authentication Code [MAC]).

FIPS PUB 140-21 senseview framework →

§1: A cryptographic checksum based on an Approved security function (also known as a Message Authentication Code [MAC]).

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: A cryptographic checksum based on an Approved security function (also known as a Message Authentication Code [MAC]).
DR-088 backfill from the noun definition column