Announcement of Proposal to Update FIPS 197, Advanced Encryption Standard

As a part of the periodic review of NIST's cryptographic standards and guidelines, NIST's Crypto Publication Review Board ("Review Board") announced the review of Federal Information Processing Standards Publication (FIPS) 197, The Advanced Encryption Standard (AES) in May 2021.

NIST proposes to update FIPS 197. An update of a publication is appropriate when it only requires changes to correct errors or clarify its interpretation, and no changes are made to technical content. The proposed changes to FIPS 197 are summarized in the sections below.

A public comment period for the draft FIPS 197 update

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