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Round Key

nounid 3959·updated Aug 30, 2026
verified· unreviewed

Round keys are values derived from the Cipher Key using the Key Expansion routine; they are applied to the State in the Cipher and Inverse Cipher.

MWE

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

Credential0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

Restricted72%llm-generatedllm:claude-haiku-4-5

Information Class

50%llm-generatedllm:claude-haiku-4-5

Variants

plural
Round Keys
possessive
Round Key's
pluralpossessive
Round Keys'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
Round keys are values derived from the Cipher Key using the Key Expansion routine; they are applied to the State in the Cipher and Inverse Cipher.
FIPS PUB 1971 senseview framework →
§1
Round keys are values derived from the Cipher Key using the Key Expansion routine; they are applied to the State in the Cipher and Inverse Cipher.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
Round keys are values derived from the Cipher Key using the Key Expansion routine; they are applied to the State in the Cipher and Inverse Cipher.
DR-088 backfill from the noun definition column

Outgoing relationships

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Incoming relationships

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