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Exam 712-50 topic 1 question 246 discussion

Actual exam question from ECCouncil's 712-50
Question #: 246
Topic #: 1
[All 712-50 Questions]

One of your executives needs to send an important and confidential email. You want to ensure that the message cannot be read by anyone but the recipient.
Which of the following keys should be used to encrypt the message?

  • A. Certificate authority key
  • B. The recipient's private key
  • C. The recipient's public key
  • D. Your public key
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by ChrisZo at June 19, 2021, 5:18 p.m.

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VOAKDO_cciso
11 months, 1 week ago
I got my CEH only months ago, and there are 2 ways to use PKI: 1.-CONFIDENITAL:When encrypting, you use recipient‘s public key to write a message and recipient use their private key to read it .......THEREFORE C IS OK 2.-NON-REPUDIATON-When signing, you use your private key to write message‘s signature, and recipient‘s use your public key to check if it‘s really yours
upvoted 1 times
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UNN_CCISO
2 years, 7 months ago
Using Recipients public key will ensure that only the recipient can decrypt using his/her private key. If sender's private key is used, anyone will be able to decrypt using the senders public key & will only help in "non-repudiation"...of course practically it is a combination of recipients public key and senders private key
upvoted 1 times
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ChrisZo
2 years, 10 months ago
Should the answer be sender's private key?
upvoted 1 times
Malik2165
2 years, 3 months ago
No, If we encrypt with Sender's private key then anyone having senders public key, will be able to read the message.
upvoted 1 times
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C (25%)
B (20%)
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