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NIST SP 800-185

SHA-3 Derived Functions: cSHAKE, KMAC, TupleHash, and ParallelHash

Date Published: December 2016

Planning Note (07/27/2023):

This publication is currently under review. See more at the Crypto Publication Review Project.


John Kelsey (NIST), Shu-jen Chang (NIST), Ray Perlner (NIST)



authentication; cryptography; cSHAKE; customizable SHAKE function; hash function; information security; integrity; KECCAK; KMAC; message authentication code; parallel hashing; ParallelHash; PRF; pseudorandom function; SHA-3; SHAKE; tuple hashing; TupleHash
Control Families

Identification and Authentication; System and Information Integrity


Download URL

Supplemental Material:
Comments Received on Draft SP 800-185 (pdf)

Related NIST Publications:
FIPS 202

Document History:
12/22/16: SP 800-185 (Final)