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There is no need to brute force. We can build a rainbow table with valid phone numbers, which we can use to lookup a phone number hash in real time (about 50ms on a regular desktop…

It has been available since iOS 13/macOS 10.15

The reverse engineering was already done and everything is described our the paper ( https://www.usenix.org/conference/usenixsecurity19 ). We just have not implemented it yet.

Yes, unless your AP and ad hoc networks are on the same channel, you need two Wi-Fi radios to support this. AWDL "solves" this problem by quickly switching between these channels a…

The degradation happens only when you explicitly start using a service (such as AirDrop) that uses AWDL. The AWDL interface becomes inactive once there is no more traffic on the in…