home/glossary/Hash-based Message Authentication Code

Hash-based Message Authentication Code

nounid 2710·updated May 12, 2026
candidate

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

polysemousMWE

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.

Outgoing relationships

No outgoing triples
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.