Q. The S-Box is used to provide confusion, as it is dependent on the unknown key.
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Correct Answer: (A)
True
Information and Network Security MCQs | Page - 11
Dear candidates you will find MCQ questions of Information and Network Security here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. For p = 11 and q = 17 and choose e=7. Apply RSA algorithm where PT message=88 and thus find the CT.
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Correct Answer: (B)
11
Q. For p = 11 and q = 17 and choose e=7. Apply RSA algorithm where Cipher message=11 and thus find the plain text.
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Correct Answer: (D)
88
Q. In an RSA system the public key of a given user is e = 31, n = 3599. What is the private key of this user?
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Correct Answer: (D)
3031
Q. Compute private key (d, p, q) given public key (e=23, n=233 ´ 241=56,153).
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Correct Answer: (B)
19367
Q. RSA is also a stream cipher like Merkel-Hellman.
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Correct Answer: (A)
True
Q. In the RSA algorithm, we select 2 random large values ‘p’ and ‘q’. Which of the following is the property of ‘p’ and ‘q’?
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Correct Answer: (B)
p and q should be prime
Q. In RSA, Π€(n) = _______ in terms of p and q.
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Correct Answer: (B)
(p-1)(q-1)
Q. Which of the following is a natural candidates for stream ciphers?
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Correct Answer: (A)
OFB
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