Physics, Computer Science and Engineering - Department of ...

Secret communication with a shared secret key provides secrecy and integrity of shared information. Scenario 1 describes shared secret key communication [Coulouris, 2002]: Alice and Bob share a secret key KAB. 1.Alice uses KAB and an agreed encryption function E(KAB, M) to encrypt and send any number of messages {Mi}KAB to Bob. ................
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