WPA Supplicant is a free software implementation of an IEEE 802.11i supplicant for Linux, BSD and Microsoft Windows. In addition to being a full-featured WPA2 supplicant, it also has support for WPA and older wireless LAN security protocols. Supported features include:
WPA and full IEEE 802.11i/RSN/WPA2
WPA-PSK and WPA2-PSK (pre-shared key) ("WPA-Personal")
WPA with EAP (e.g., with RADIUS authentication server) ("WPA-Enterprise")
key management for CCMP, TKIP, WEP (both 104/128 and 40/64 bit)
RSN: PMKSA caching, pre-authentication
Included with the supplicant are a graphical user interface and a command line interface utility for interacting with the running supplicant. From either of these interfaces it is possible to review a list of currently visible networks, select one of them, provide any additional security information needed to authenticate with the network (e.g. a passphrase or username and password) and add it to the preference list to enable automatic reconnection in the future.
This version comes with a dummy /etc/wpa_supplicant.conf file and additional support for madwifi, ndiswrapper and ipw drivers.
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