On Wed, Aug 17, 2011 at 03:35:06PM +0530, uday kiran wrote: > I have read that , > > WPA2 uses CCMP-AES and CCMP-AES supports 128,192 and 256 key lengths. Where did you read that? AES is defined for multiple key lengths, but CCMP is only defined for the case where a 128-bit key is used. -- Jouni Malinen PGP id EFC895FA