How to Decrypt 802.11 Wireshark can decrypt WEP and WPA/WPA2/WPA3 in pre-shared (or personal) mode. WPA/WPA2 enterprise mode decryption works also since Wireshark 2.0, with some limitations. You can add decryption keys using Wireshark's 802.11 preferences or by using the wireless toolbar. Up to 64 keys are supported. Adding Keys: IEEE 802.11 Preferences Go to Edit->Preferences->Protocols->IEEE 802