By default wireshark display's standard view. This default view is useful but is of little help for wireless analysis.

In wireless packet capture,

In general 4-way handshake process happens as described earlier. Keys are generated on either sides(client and AP) both parties confirm on keys.Then keys are used for encryption.

But

Understanding WPA2 handshake is important to know KRACK attack. Part-1 of this blog post will be about basics required to understand KRACK.

WPA2 uses 4 way handshake process to generate required unique keys

In this blog post wifi-pineapple will be used to capture WPA2 handshake on 5GHz access point. Atheros based chipset is used in Wifi pineapple