How to Strip your Handshake with Wireshark:
- Open your Capture in Wireshark
- Enter "eapol || wlan.fc.type_subtype == 0x04 || wlan.fc.type_subtype == 0x08" as filter expression (without quotes) then press "Apply"
- Go to File -> Save As... Menu, Enter new File name and select "Displayed" to save filtered packets only.