Query on WPA2's CCMP-AES encryption key length

Jouni Malinen j
Wed Aug 17 06:38:44 PDT 2011

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

More information about the Hostap mailing list