Exam 312-50v12 topic 1 question 101 discussion

Actual exam question from ECCouncil's 312-50v12

Question #: 101
Topic #: 1

Alice needs to send a confidential document to her coworker, Bryan. Their company has public key infrastructure set up. Therefore, Alice both encrypts the message and digitally signs it. Alice uses _______________ to encrypt the message, and Bryan uses _______________ to confirm the digital signature.

A. Bryan’s public key; Bryan’s public key
B. Alice’s public key; Alice’s public key
C. Bryan’s private key; Alice’s public key
D. Bryan’s public key; Alice’s public key

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Suggested Answer: D 🗳️

by eli117 at April 5, 2023, 1:26 p.m.

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eli117

Highly Voted 1 year, 7 months ago

D. Bryan’s public key; Alice’s public key Explanation: Alice needs to send a confidential document to Bryan, and their company has public key infrastructure set up. In this scenario, Alice needs to encrypt the message using Bryan's public key, which ensures only Bryan can decrypt it using his private key. To ensure the authenticity of the message, Alice must digitally sign it using her private key, which can be verified by anyone who has access to Alice's public key, including Bryan. Therefore, Bryan uses Alice's public key to confirm the digital signature.

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