This is a good rundown of the varying ways to crack WEP enabled wifi networks, with some links to WPA cracking as well.
WEP Cracking Redux: Beyond the Command Line – Security – Lifehacker.
Robin Edgar
Organisational Structures | Technology and Science | Military, IT and Lifestyle consultancy | Social, Broadcast & Cross Media | Flying aircraft
robin@edgarbv.com
https://www.edgarbv.com