Keyed-hash based message authentication code
nounverified· unreviewed·updated Aug 30, 2026
A message authentication code that uses a cryptographic key in conjunction with a hash function.
MWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Classifications
Entity Type
Control0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity
Regulated80%llm-generatedllm:claude-haiku-4-5
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Information Class
—90%llm-generatedllm:claude-haiku-4-5
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Variants
- acronym
- HMAC
- plural
- Keyed-hash based message authentication codes
- possessive
- Keyed-hash based message authentication code's
- pluralpossessive
- Keyed-hash based message authentication codes'