The approved Wi-Fi Alliance interoperable implementation of the IEEE 802.11i security standard. For federal government use, the implementation must use federal information processing standards (FIPS) approved encryption, such as advanced encryption standard (AES).
Sources:
CNSSI 4009-2015
under wi-fi protected access-2 (WPA2)
Wireless Fidelity (Wi-Fi) security protocol and certification program developed by the Wi-Fi Alliance.
Sources:
NISTIR 7621 Rev. 1
under WiFi Protected Access 2