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Recommendation for Key-Derivation Methods in Key-Agreement Schemes



Elaine B. Barker, Lidong Chen


This Recommendation specifies techniques for the derivation of keying material from a shared secret established during a key-establishment scheme defined in NIST Special Publications 800-56A or 800-56B.
Special Publication (NIST SP) - 800-56C Rev. 1
Report Number
800-56C Rev. 1


Expansion, extraction, extraction-then-expansion, hash function, key derivation, key establishment, message authentication code.


Barker, E. and Chen, L. (2018), Recommendation for Key-Derivation Methods in Key-Agreement Schemes, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 20, 2024)
Created April 16, 2018, Updated March 25, 2019