Key MIC

Encryption 1 bit EAPOL-Key descriptor unverified

The MIC field further down is populated.

Reading a capture

Clear in message 1 and set in the other three. It has to be clear in the first: the key that computes the MIC cannot exist until the nonce that message 1 is carrying has been received.

Where it sits

EAPOL-Key > Key Information > Key MIC

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.