https://media.ccc.de/v/33c3-8195-predicting_and_abusing_wpa2_802_11_group_keys



We analyze the generation and management of WPA2 group keys. These keys protect broadcast and multicast Wi-Fi traffic. We discovered several issues and illustrate their importance by decrypting all group (and unicast) traffic of a typical Wi-Fi network.



['Mathy Vanhoef']