Multiple choice

Which of the following is not true about digital signature?

  1. A digital signature verifies author, date and time of signature.

  2. Digital signature works on public-key cryptography.

  3. Digital signature protects two parties, who exchange messages from any third party.

  4. A digital signature made by sender signing entire message or hash with private-key.

  5. Both (3) and (4).
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It does not protects two parties against each other.

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