TKIP broadcast

ronit fichman ronit.fichman
Mon Jan 31 03:26:34 PST 2011


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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