Certified Ethical Hacker CEH · Free Practice Question Medium
Question 82
Sender wants to send a message to the receiver. To ensure confidentiality, the sender encrypts the message. Sender also digitally signs the message.
Sender uses ____________ to encrypt the message for these purposes, and receiver uses ____ to confirm and validate the digital signature.
- A A. Receiver’s public key ; sender’s public key
- B B. Sender’s private key ; sender’s public key
- C C. Receiver’s private key ; sender’s public key
- D D. Sender’s private key ; receiver’s public key
Reveal correct answer
Correct answer: A
Explanation
Correct Answer: A. Receiver’s public key; sender’s public key Explanation: Confidentiality For confidentiality the sender will use the receiver's public key to encrypt the message. Digital Signature To create a digital signature, the sender's private key is used and to confirm and validate the signature, sender’s public key is used.Discussion
Think the marked answer is wrong, or have a better explanation? Share it below — comments appear after review.
You must be logged in to post a comment.
