Multiple choice

Which of the following is/are applicable for Message Authentication Code (MAC) in cryptography?

  1. By using MAC, the authenticity assurances affirm the message's origin.

  2. MAC values are both generated and verified using the same secret key.

  3. MACs do not provide the property of non-repudiation.

  4. All of the above

  5. Both (1) and (2)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All are the correct statements about Message Authentication Code (MAC) in cryptography.