Announcing Issuance of Federal Information Processing Standards (FIPS) FIPS 203, Module-Lattice-Based Key-Encapsulation Mechanism Standard, FIPS 204, Module-Lattice-Based Digital Signature Standard, and FIPS 205, Stateless Hash-Based Digital Signature Standard

National Institute of Standards and Technology

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This notice announces the Secretary of Commerce's approval of three Federal Information Processing Standards (FIPS): FIPS 203, Module-Lattice-Based Key-Encapsulation Mechanism Standard; FIPS 204, Module-Lattice-Based Digital Signature Standard; and FIPS 205, Stateless Hash-Based Digital Signature Standard. These standards specify key establishment and digital signature schemes that are designed to resist future attacks by quantum computers, which threaten the security of current standards. The three algorithms specified in these standards are each derived from different submissions in the NIST post-quantum cryptography standardization project (see https://csrc.nist.gov/​pqc-standardization).

FIPS 203, FIPS 204, and FIPS 205 are available electronically on the NIST Computer Security Resource Center website at https://csrc.nist.gov. Comments that were received on the proposed changes are published electronically at https://www.regulations.gov and the NIST post-quantum cryptography standardization project website at https://csrc.nist.gov/​pqc-standardization.