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Since nothing like https exists yet for public wireless networks, it could be made so that when the client connects and the access point sends the client its pu
by jimmyk 16y ago
Since nothing like https exists yet for public wireless networks, it could be made so that when the client connects and the access point sends the client its public key, the public key shows up (or preferably doesn't show up but can be made visible) on the client's computer which can be then verified against a sign in the store if the client really cares. You don't need an outside authority when you basically trust the coffee shop.
- Someone 16y agoI think that would work (if the sign in the store is physically safe), but I also (pedantically) think that would not satisfy the "without a shared key" part of the original question. Thinking about this: publishing your public key on a bar code printed on a wall might be a better solution, if the world would be used to that. It would enable your computer to compare the public keys sent over the two channels (visible light and WiFi)