Question

Why is a clear text field r-sub-A sent in a hash-based challenge-response authentication scheme? A. To allow party B to compute a random nonce B. To allow party B to generate a witness C. To allow party B to carry out mutual authentication D. To allow party B to confirm that the locally computed hash is the same as the value received E. None of the above Explanation: Click or tap here to enter text.

Answer 1

In a hash-based challenge-response authentication scheme, a clear text field r-sub-A is sent to allow party B to confirm that the locally computed hash is the same as the value received.

Step-by-step explanation:

In a hash-based challenge-response authentication scheme, a clear text field r-sub-A is sent to allow party B to confirm that the locally computed hash is the same as the value received (option D). This helps ensure the integrity of the communication and that the message has not been tampered with.