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 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?

• A. 1 and 2 only
• B. 1 only
• C. 2 only
• D. 2 and 3 only