IEEE Std. 802.11-2020 12.4.4.2.3/12.4.4.3.3, IETF RFC 5869
A KDF to “expand” entropy into a long key (named “H” and “HKDF-Expand” in the specification).
IEEE Std. 802.11-2020 12.4.4.2.3/12.4.4.3.3, IETF RFC 5869
A KDF to “extract” entropy from a short key (named “H” or “HKDF-Extract” in the specification).