Câu 95: 312-50: CEH Certified Ethical Hacker (312-50v9)

For messages sent through an insecure channel, a properly implemented digital signature gives the receiver reason to believe the message was sent by the claimed sender. While using a digital signature, the message digest is encrypted with which key?

1. A. Sender's public key
2. B. Receiver's private key
3. C. Receiver's public key
4. D. Sender's private key — đáp án hiện tại