Key expansion

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Abbreviation(s) and Synonym(s):

None

Definition(s):

Routine used to generate a series of Round Keys from the Cipher Key.
Source(s):
FIPS 197 under Key Expansion

The second step in the key derivation procedure specified in this Recommendation to derive keying material with the desired length.
Source(s):
NIST SP 800-56C [Superseded]

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.

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Computer Security Resource Center

Key expansion

Glossary Comments