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Re: [RFC PATCH 0/7] IEEE 802.11w / management frame protection

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On Tuesday 17 June 2008 20:23:22 Jouni Malinen wrote:
> On Tue, Jun 17, 2008 at 07:52:52PM +0200, Michael Buesch wrote:
> 
> > Well, as long as the checksum will fail in that case we're OK for b43,
> > as the driver will notify the need for software crypto for those packets.
> 
> Yes, MIC won't match (or well, in theory it could, but in practice..)
> and if the original frame is available after failed hw-decryption
> attempt, this is indeed all that's needed here. Some hardware designs
> are not able to deliver the unmodified frame due to the way AES hwaccel
> is implemented in them and that gets bit tricky to handle in software
> for IEEE 802.11w.

Yeah I see. Probably need to disable HW crypto for them.
(If firmware modification to pass MGMT frames untouched is impossible)

-- 
Greetings Michael.
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