# Tag Info

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SipHash would fit well for the low amount of data and small tag.

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We think that the player will not be able to get this key by extracting it from the memory or somehow else. Forgive me, but I'm skeptical. If you really have figured out a way to do this --- and plenty of well-funded, intelligent people have tried and failed --- I'd recommend slapping a patent on it and making millions off of licensing fees. How ...

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No, two messages is not sufficient to achieve what the WPA2-PSK 4WHS is supposed to do: mutual authenticated key-exchange. The key term here is mutual authentication. Remember, at the start of the WPA2-PSK handshake we have two entities, the access point and the client, holding (hopefully) the same key, also known as the pairwise master key (PMK). Now they ...

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We consider a server $S$ and a bunch of users $U_1, \dots, U_n$. What you want: Users should be able to send queries to the server and receive replies. The users should be able to register identities with the server. Any reply $m'$ that a user accepts as coming from the server in response to a query $m$ from that user, really came from the server in ...

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