Keyed-hash based message authentication code

nounid 3095·updated May 12, 2026

candidate

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

MWE

Classifications

per-axis with provenance

Control0%rule-basedmulti_axis_classifier_low_confidence.v1

Regulated80%llm-generatedllm:claude-haiku-4-5

—90%llm-generatedllm:claude-haiku-4-5

4 surface forms

3 senses across 3 frameworks

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

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

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 1981 senseview framework →

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

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