GATE 2017 Previous Year Paper Solution Question 13 – Computer Science
In this video, the question which was asked in the exam of GATE 2017, has been discussed.
Question :- A Sender S sends a message m to receiver R, which is digitally signed by S with its private key. In this scenario, one or more of the following security violations can take place.
1. S can launch a birthday attack to replace m with fraudulent message.
2. A third party attacker can launch a birthday attack to replace m with a fraudulent message.
3. R can launch a birthday attack to replace m with fraudulent message.
Which of the following are possible security violations ?
A. 1 and 2 only
B. 1 only
C. 2 only
D. 2 and 3 only
Solution is given in the video.