TKIP broadcast

Lin Ma linmaonly at gmail.com
Tue Feb 1 00:23:03 EST 2011


Did you swap the 3rd and 4th parts of the TKIP key in the driver?

 

From: hostap-bounces at lists.shmoo.com [mailto:hostap-bounces at lists.shmoo.com]
On Behalf Of ronit fichman
Sent: Monday, January 31, 2011 3:27 AM
To: hostap at lists.shmoo.com
Subject: TKIP broadcast

 

Hello,

 

We recently switched from wpa supplicant version 0.6.10 to hostap package
0.8.x, and we have encountered a problem with the group key when using TKIP.

When connecting to any AP, the 4-way handshake is completed successfully,
followed by successful 2-way handshake to exchange to group key. But
Broadcast packets sent from the AP to my STA, get decryption failure, as the
group key set by the wap supplicant is not the group key of the AP.

 

Have anyone encountered such problem?

 

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