BOB ALICE MD Нash Function message No Same? Yes discard Attacker Insecure Hash Function medium MD message Study the MD scheme that is shown in the scenario above, and answer the following question:...

Extracted text: BOB ALICE MD Нash Function message No Same? Yes discard Attacker Insecure Hash Function medium MD message Study the MD scheme that is shown in the scenario above, and answer the following question: This MD scenario doesn't solve the attack that is known as Man-in-the-middle attack with a false message. Explain how the MAC scheme if added into this scenario, can protect the communication from the so called Man-in-the-middle attack with false message.