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 197) (NISTIR) Rule-Based Security Policy - A security policy based on global rules imposed for all subjects. These rules usually rely on a comparison of the sensitivity of the objects being accessed and the possession of corresponding attributes by the subjects requesting access. (SP 800-33) (NISTIR) A security policy based on global rules imposed for all subjects. These rules usually rely on a comparison of the sensitivity of the objects being accessed and the possession of corresponding attributes by the subjects requesting access. Also known as discretionary access control (DAC). (CNSSI-4009) (NISTIR)
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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 197) (NISTIR) Rule-Based Security Policy - A security policy based on global rules imposed for all subjects. These rules usually rely on a comparison of the sensitivity of the objects being accessed and the possession of corresponding attributes by the subjects requesting access. (SP 800-33) (NISTIR) A security policy based on global rules imposed for all subjects. These rules usually rely on a comparison of the sensitivity of the objects being accessed and the possession of corresponding attributes by the subjects requesting access. Also known as discretionary access control (DAC). (CNSSI-4009) (NISTIR)
Cite this term
Election Security Glossary. (2026). Round Key. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/round-key
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