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Re: Making promisc mode work with WPA encryption?

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Maxim Levitsky <maximlevitsky@xxxxxxxxx> writes:

> This means kernel can't automatically decrypt other stations traffic.
> But I could arrange small program that listens to device in monitor or
> maybe even just promisc mode, and records WPA handshakes. For every
> handshake it could install the key in kernel driver, so it would use
> it for decryption, and show the traffic on device in promisc mode. Is
> it possible to do today? I guess not. All this program has to know is
> the PSK. (I could even arrange WPA supplicant to do this job - it
> knows all keys already)

I think wireshark does something like this. You can enter the PSK in the
settings and it will decrypt the traffic. I only tried it once and it
was a long time ago, though.

-- 
Kalle Valo
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