312-50V12 · Question #5
312-50V12 Question #5: Real Exam Question with Answer & Explanation
The correct answer is C: Dorian is signing the message with his private key, and Poly will verify that the message came. In digital signature, the sender signs the message using their private key, which only the sender knows. The recipient can verify that the message came from the sender by using the sender's public key. Therefore, in this scenario, Dorian is signing the email with his private key,
Question
Dorian is sending a digitally signed email to Poly. With which key is Dorian signing this message and how is Poly validating it?
Options
- ADorian is signing the message with his public key, and Poly will verify that the message came
- BDorian is signing the message with Poly's private key, and Poly will verify that the message came
- CDorian is signing the message with his private key, and Poly will verify that the message came
- DDorian is signing the message with Poly's public key, and Poly will verify that the message came
Explanation
In digital signature, the sender signs the message using their private key, which only the sender knows. The recipient can verify that the message came from the sender by using the sender's public key. Therefore, in this scenario, Dorian is signing the email with his private key, and Poly will validate it using Dorian's public key.
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