News & Updates

NIST's proposal to withdraw Federal Information Processing Standard (FIPS) 198-1, HMAC, has been announced in the Federal Register. Comments are due July 23, 2025.

NIST proposes to develop three general-purpose cryptographic accordions that are variants of the HCTR2 technique. These will be specified in future SP 800-197x publications. Submit comments on this proposal through August 6, 2025.

NIST announces the release of NIST Interagency Report (IR) 8552 Requirements for Cryptographic Accordions.

NIST's Crypto Publication Review Board is proposing to withdraw Special Publications 800-102, "Recommendation for Digital Signature Timeliness." Submit public comments through Monday, May 12, 2025.

After two public comment periods, NIST has decided to revise CMAC and CCM block cipher modes of operation specified in NIST Special Publications 800-38B and 800-38C.

NIST requests public comments on NIST IR 8214C 2pd, NIST First Call for Multi-Party Threshold Schemes which will help the NIST Multi-Party Threshold Cryptography and Privacy-Enhancing Cryptography projects collect reference materials on advanced cryptography. Submit comments by May 30, 2025.

After two public comment periods, NIST has decided to update the SHA-3 Standard (FIPS 202) and revise the SHA-3 Derived Functions specification (Special Publication 800-185).

HQC Announced as a 4th Round Selection. NIST Internal Report (IR) 8545 details the evaluation criteria, algorithm designs, and reasoning behind the selection.

NIST's Crypto Publication Review Board is proposing to update Special Publications 800-38B, "The CMAC Mode for Authentication," and 800-38C, "The CCM Mode for Authentication and Confidentiality." Submit public comments through Friday, February 28, 2025.

NIST requests public comments on whether to pursue one or both approaches  (GCM and GMAC).The public comment period closes on March 14, 2025. 

NIST's Crypto Publication Review Board has requested initial public comments on NIST Special Publications (SP) 800-56A, 800-56B, and 800-56C, in the "Recommendations for Key Establishment" subseries. The comment period is open through January 31, 2025.

NIST's Crypto Publication Review Board has requested initial public comments on NIST Special Publication 800-102, Recommendation for Digital Signature Timeliness. The comment period is open through January 14, 2025.

NIST publishes NIST Internal Report (IR) 8528, Status Report on the First Round of the Additional Digital Signature Schemes for the NIST Post-Quantum Cryptography Standardization Process.

NIST is pleased to announce the release of Internal Report (IR) 8459, Report on the Block Cipher Modes of Operation in the NIST SP 800-38 Series.

NIST's Crypto Publication Review Board is proposing to update FIPS 202, "SHA-3 Standard" and revise Special Publication 800-185, "SHA-3 Derived Functions." Submit public comments through Monday, October 7, 2024.

After two public comment periods, NIST has decided to revise Special Publication 800-135 Rev. 1, "Recommendation for Existing Application-Specific Key Derivation Functions."

NIST is reviewing Special Publications 800-38B and 800-38C (CMAC and CCM block cipher modes) and requests public comments by September 13, 2024.

NIST's Crypto Publication Review Board is proposing to revise Special Publication (SP) 800-135 Revision 1, "Recommendation for Existing Application-Specific Key Derivation Functions." Submit public comments through Friday, June 14, 2024.

NIST has published NIST Internal Report 8454, Status Report on the Final Round of the NIST Lightweight Cryptography Standardization Process. The announcement of NIST's decision to standardize the ASCON family was announced on February 7, 2023.

After considering multiple rounds of public comments, NIST has decided to revise Federal Information Process Standard (FIPS), "Secure Hash Standard (SHS)."

NIST announces the selection of the Ascon family for lightweight cryptography standardization.

NIST requests public comments on NIST IR 8214C ipd (initial public draft), NIST First Call for Multi-Party Threshold Schemes, for primitives organized into two categories:

1. Cat1: selected NIST-specified primitives
2. Cat2: other primitives not specified by NIST.

NIST's Crypto Publication Review Board is proposing to update FIPS 197, and public comments are due on the draft by February 13, 2023. No technical changes are being made to the standard. This announcement summarizes the proposed changes.

NIST is introducing a plan to transition away from the current limited use of the Secure Hash Algorithm 1 (SHA-1) hash function. Other approved hash functions are already available. The transition will be completed by December 31, 2030.

NIST is proposing to revise FIPS 180-4. Please submit public comments by January 31, 2023.