WiFi encryption

WiFi encryption means to encrypt the messages that are sent between nodes on a wireless network.

A wifi interface can use one of several encryption options:

None	No encryption.
WEP	Wired Equivalent Privacy
WPA2 Personal (PSK)	Wi-Fi Protected Access
WPA/WPA2 Personal (PSK) Mixed Mode	Wi-Fi Protected Access II Pre-Shared Key
WPA2 Enterprise	Wi-Fi Protected Access II Enterprise
WPA/WPA2 Enterprise Mixed Mode	Wi-Fi Protected Access Enterprise / Wi-Fi Protected Access II Enterprise