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In August 2021, NIST's Crypto Publication Review Board initiated a review process for NIST Special Publication (SP) 800-22 Rev. 1a, A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications.
In January 2022, NIST proposed revising SP 800-22 Rev. 1a, in response to the public comments received. Later, NIST received additional comments on the proposed decision.
NIST has decided to revise SP 800-22 Rev. 1a, to
clarify the purpose and use of the statistical test suite, in particular rejecting its use for assessing cryptographic random number generators;
align the terminology with the NIST SP 800-90 series that provides recommendations for random bit generators and resolve inconsistencies;
address technical suggestions (e.g., new research results, considerations for two-level testing, supporting shorter sequences, independence of the tests);
improve the software tool; and
improve the editorial quality of the document.
NIST plans to include an emphasis on stochastic models in later revisions of the SP 800-90 series.
The effort to revise SP 800-22 will follow the typical process of posting a draft for public comment, although draft preparation has not yet started. Monitor progress on CSRC News and CSRC Publications and by subscribing to email updates.
Security and Privacy: random number generation, testing & validation