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Date Published: October 18, 2021
Comments Due: January 18, 2022 (public comment period is CLOSED)
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This document specifies families of key derivation functions for deriving additional keys from existing cryptographic keys.
This revision specifies key derivation functions using Keccak-based message authentication codes (KMAC) in addition to key derivation functions using keyed-hash message authentication codes (HMAC) and cipher-based message authentication codes (CMAC).
NOTE: A call for patent claims is included on page iii of this draft. For additional information, see the Information Technology Laboratory (ITL) Patent Policy--Inclusion of Patents in ITL Publications.