Question 70

Mr. X is attempting to send an e-mail to Mr. Y via the Internet. The contents of the e-mail are confidential, so Mr.X wants to encrypt and send the e-mail using public key cryptography. Which of the following keys should be used to encrypt the e-mail contents?

a) Mr. X’s private key
b) Mr. X’s public key
c) Mr. Y’s private key
d) Mr. Y’s public key

answer

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2 Comments »

  1. Anonymous said

    Must is Mr. Y’s private key

  2. hue said

    d) Mr. Y’s public key

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