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FIPS 180-4

Secure Hash Standard (SHS)

Date Published: August 2015

Supersedes: FIPS 180-4 (03/06/2012)

Planning Note (6/9/2022): This publication is currently under review by NIST's Crypto Publication Review Board. Public comments on the existing publication may be submitted through September 9, 2022See the full announcement for more details.


National Institute of Standards and Technology



computer security; cryptography; message digest; hash function; hash algorithm; Federal Information Processing Standards; Secure Hash Standard
Control Families

System and Communications Protection; System and Information Integrity


FIPS 180-4 (DOI)
Local Download

Supplemental Material:
Federal Register Notice (other)
Comments received on Draft FIPS 180-4 (Aug. 2014) (pdf)

Document History:
08/04/15: FIPS 180-4 (Final)


Security and Privacy
authentication; digital signatures