EAPOL Key IV IV

Encryption 16 octets EAPOL-Key descriptor unverified

An initialisation vector for the older RC4 key wrap.

Reading a capture

All zeroes on anything modern. Sixteen octets of nothing in every handshake on every network, kept because removing a field from a fixed layout breaks every existing parser.

Where it sits

EAPOL-Key > EAPOL Key IV

Open in the explorer — Four-way handshake message 1
Open in the explorer — Four-way handshake message 2
Open in the explorer — Four-way handshake message 3
Open in the explorer — Four-way handshake message 4

Accuracy

Clause: 802.11-2024 §12.7.2
Verified: Not verified against the standard. Treat this as a claim, not a fact.