Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST Requests Public Comments on FIPS 198-1 and Special Publications on Hash Functions, Statistical Randomness Tests, and Block Cipher Modes of Operation

As part of a periodic review of its cryptography standards and NIST Special Publications, NIST is requesting comments on FIPS 198-1, SP 800-22 Rev. 1a, SP 800-38D, SP 800-38E, and SP 800-107 Rev. 1. Comments are due by October 1, 2021.

NIST is in the process of a periodic review and maintenance of its cryptography standards and guidelines.  

Currently, we are reviewing the following publications: 

The public comment period for these publications is open through October 1, 2021. Comments may address security, implementation, clarity, and/or risk issues as well as relevance to current applications.

Send comments to cryptopubreviewboard [at] (cryptopubreviewboard[at]nist[dot]gov) with the publication number in the Subject, e.g., “Comments on FIPS 198-1” or “Comments on SP 800-38D.” 

For more information about the review process, visit the Crypto Publication Review Project page.

Released August 6, 2021