SSCP · Question #623
Which of the following offers confidentiality to an e-mail message?
The correct answer is C. The sender encrypting it with the receiver's public key. An e-mail message's confidentiality is protected when encrypted with the receiver's public key, because he is the only one able to decrypt the message. The sender is not supposed to have the receiver's private key. By encrypting a message with its private key, anybody…
Question
Options
- AThe sender encrypting it with its private key.
- BThe sender encrypting it with its public key.
- CThe sender encrypting it with the receiver's public key.
- DThe sender encrypting it with the receiver's private key.
How the community answered
(24 responses)- B4% (1)
- C92% (22)
- D4% (1)
Explanation
An e-mail message's confidentiality is protected when encrypted with the receiver's public key, because he is the only one able to decrypt the message. The sender is not supposed to have the receiver's private key. By encrypting a message with its private key, anybody possessing the corresponding public key would be able to read the message. By encrypting the message with its public key, not even the receiver would be able to read the message.
Topics
Community Discussion
No community discussion yet for this question.