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Question 6Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 2 (1:00 PM)

What ensures the integrity of a digital signature?

  1. AThe encryption algorithm used
  2. BHash value of the original message
  3. CThe Certificate Authority’s approval
  4. DThe private key of the receiver
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Correct answer: (B) Hash value of the original message

Explanation

The sender signs a hash (message digest) of the message. The receiver recomputes the hash and compares it; any change to the message gives a different hash, so the hash value guarantees integrity.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 2 (1:00 PM)

This is question 6 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 2 (1:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.