an easy and consistent way of installing software ported to FreeBSD
pkg-descr
coWPAtty is designed to audit the security of pre-shared keys
(PSK) selected in WiFi Protected Access (WPA) networks.
WWW: http://www.willhackforsushi.com/?page_id=50
FreeBSD
FreeBSD is a Unix-like free software operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through 386BSD and 4.4BSD.