Key Data Length Data Len

Encryption 2 octets EAPOL-Key descriptor unverified

Octets of key data following. Zero in message 4.

Where it sits

EAPOL-Key > Key Data Length

Accuracy

Clause
802.11-2024 §12.7.2
Byte order
big-endian — network byte order
Verified
Not verified against the standard. Treat this as a claim, not a fact.