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Welcome to the Pseudorandom Number Generation and Stream Ciphers MCQs Page

Dive deep into the fascinating world of Pseudorandom Number Generation and Stream Ciphers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Pseudorandom Number Generation and Stream Ciphers, a crucial aspect of Cryptography and Network Security. In this section, you will encounter a diverse range of MCQs that cover various aspects of Pseudorandom Number Generation and Stream Ciphers, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Cryptography and Network Security.

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Check out the MCQs below to embark on an enriching journey through Pseudorandom Number Generation and Stream Ciphers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Cryptography and Network Security.

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Pseudorandom Number Generation and Stream Ciphers MCQs | Page 3 of 9

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Q21.
Using the Linear Congruential Method, for a=5, c=0 and m=32. The period is

a.

8

b.

4

c.

9

d.

11

Discuss
Answer: (a).8
Q22.
The appropriate value for m (in LCM) is
Discuss
Answer: (a).2^(31) – 1
Q23.
A CSPRBG is defined as one that passes the __ test.
Discuss
Answer: (d).On-bit test
Q24.
Find the first 8 bits for Blum Blum Shub Bit Generator when seed = 101355 and n = 192649.
Discuss
Answer: (d).11001110
Q25.
Which of these modes is an appropriate mode for PRNG?
Discuss
Answer: (d).CTR
Q26.
Which mode is recommend for the X9.82 Random number generator?
Discuss
Answer: (a).OFB
Q27.
AES PRNG produces bits outputs of size
Discuss
Answer: (b).128 bits
Q28.
Which mode is recommend for the ANSI standard X9.82 Random number generator?
Discuss
Answer: (b).CTR
Q29.
The CTR algorithm for PRNG is known as
Discuss
Answer: (d).CTR_DRBG
Q30.
Which mode is recommend for the RFC 4086 Random number generator?
Discuss
Answer: (c).OFB
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