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SP 800-56C Rev. 2

Recommendation for Key-Derivation Methods in Key-Establishment Schemes

Date Published: August 2020

Supersedes: SP 800-56C Rev. 1 (04/16/2018)


Elaine Barker (NIST), Lily Chen (NIST), Richard Davis (NSA)



expansion; extraction; extraction-then-expansion; hash function; key derivation; key establishment; message authentication code
Control Families

System and Communications Protection


SP 800-56C Rev. 2 (DOI)
Local Download

Supplemental Material:
Comments received on Draft SP 800-56C Rev. 2 (pdf)

Other Parts of this Publication:
SP 800-56A Rev. 3
SP 800-56B Rev. 2

Document History:
03/24/20: SP 800-56C Rev. 2 (Draft)
08/18/20: SP 800-56C Rev. 2 (Final)


Security and Privacy
key management