Round Key

nounid 3959·updated May 12, 2026

candidate

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

Classifications

per-axis with provenance

Credential0%rule-basedmulti_axis_classifier_low_confidence.v1

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

—50%llm-generatedllm:claude-haiku-4-5

3 surface forms

2 senses across 2 frameworks

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.

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