On 2016年06月18日 18:11, Jouni Malinen wrote:
What about RX side? Shouldn't there be a matching change there to enforce use of group addressed privacy for the specific Action categories?
Thank you. Yes, RX side modification is needed. I was not aware of it because ping test was OK. Now I recognize it is because MGTK and IGTK is same as you say.
This will make devices using fixed implementation not interoperate with devices using older version, I'd assume, but it looks like the current use of mesh with RSN is pretty hopelessly broken as far as no PMF case is concerned at least when using the wpa_supplicant implementation (sets IGTK incorrectly and ends up using BIP even when PMF was not enabled), so there does not seem to be any convenient way of addressing this apart from requiring all devices in the MBSS to get updated to the fixed versions.
Yes. This patch breaks backward compatibility. I do not have smart idea to avoid also. I will create new define like this. CONFIG_MAC80211_MESH_GROUP_ADDRESSED_PRIVACY
And this helper should likely be in some more generic location so that it could be shared for TX and RX..
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