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Hash-based Message Authentication Code

nounid 2710·updated Aug 30, 2026
verified· unreviewed

A message authentication code that uses a cryptographic key in conjunction with a hash function.

polysemousMWE

Attested in

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

Entity Type

Control0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

Regulated85%llm-generatedllm:claude-haiku-4-5

Information Class

unclassified

Variants

acronym
HMAC
plural
Hash-based Message Authentication Codes
possessive
Hash-based Message Authentication Code's
pluralpossessive
Hash-based Message Authentication Codes'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 22 sensesview framework →
§1
A message authentication code that uses a cryptographic key in conjunction with a hash function.
§2 · sense_2_pending_review
A message authentication code that utilizes a keyed hash.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
A message authentication code that uses a cryptographic key in conjunction with a hash function.
FIPS PUB 140-21 senseview framework →
§1
A message authentication code that utilizes a keyed hash.
FIPS PUB 2011 senseview framework →
§1
A message authentication code that uses a cryptographic key in conjunction with a hash function.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
A message authentication code that uses a cryptographic key in conjunction with a hash function.
DR-088 backfill from the noun definition column

Outgoing relationships

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This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.