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5. Consider the following protocol, where KAB is a shared symmetric key, CLNT and SRVR are constants, and the session key is K=h(S, RA, RB).

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5. Consider the following protocol, where KAB is a shared symmetric key, CLNT and SRVR are constants, and the session key is K=h(S, RA, RB). a. Does Alice authenticate Bob? Justify your answer. b. Does Bob authenticate Alice? Justify Your answer. I'm Alice, RA RB 11!! E(S, KAB), E(CLNT, K) E(SRVR, K) Alice Bob

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