[Battlemesh] Encryption on ad-hoc mode

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Hi!

> Right now, using OpenWRT and one of the ibss/rsn enabled drivers (like ath9k,
> ath5k, iwlwifi and others..), it should work out of the box[tm].

Which version of OpenWrt? trunk or latest stable?

> The only drawback at the moment is that broadcast packets are encrypted in sw
> (so reducing broadcast throughput a bit), but I don't think this is a real
> problem.

And unicast is encrypted how?


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