Computer Science · Cryptography & Network Security
A sender 'S' sends a message 'M' to receiver 'R', which is digitally signed by 'S' with its private key. In this scenario, consider the following security violations: (1) 'S' can launch a birthday attack to replace M with a 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 a fraudulent message. Which of the following are possible security violations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1) and (2) only✓
- 2(1) only
- 3(2) only
- 4(2) and (3) only
Correct answer
(1) and (2) only
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