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Explain what are flaws in this protocol and how this protocol can be broken. What can be done to stop this protocol from being broken?

Explain what are flaws in this protocol and how this protocol can be broken. What can be done to stop this protocol from being broken?image text in transcribed

Step 1: A B: {N.KAB Step 2: B A: {N, + 1}KAB A generates a random number (nonce) NA and sends it to B encrypted with shared key KAB, B decrypts the message, computes NA 1, and returns to A the encrypted result

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