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Is wireless security offloaded to the adapter hardware?


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We all know of the concept where cheap crap devices moved their processing logic into their driver to save on hardware costs.

I'm wondering to what extent (good) wifi adapters retained this functionality and if we could (ab)use this.

Does anybody know where the wireless security is implemented? Does the OS provide the adapter with an encryption key, or does it get the encrypted stream and should it simply dump that onto the radio waves?

My thinking here is that you could possibly reprogram your ducky to appear as a wifi adapter that claims to provide fantastic reception on all known APs. The OS could choose to use that adapter over the current one (assumption) and the OS would tell that adapter how the network is to be accessed.

How crazy is this idea?

Edited by Cooper
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