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A hash function guarantees integrity of a message. It guarantees that message has not be

  • A.Replaced
  • B.Over view
  • C.Changed
  • D.
    Violated

Answer: C

Correct answer: Changed

A hash function gives integrity: any alteration to the message produces a different digest, so a matching digest shows the message has not been changed. It says nothing about who sent it or whether it was intercepted.

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