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Welcome to the Cryptographic Hash Functions MCQs Page

Dive deep into the fascinating world of Cryptographic Hash Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Cryptographic Hash Functions, a crucial aspect of Cryptography and Network Security. In this section, you will encounter a diverse range of MCQs that cover various aspects of Cryptographic Hash Functions, 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 Cryptographic Hash Functions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Cryptography and Network Security.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Cryptographic Hash Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Cryptographic Hash Functions MCQs | Page 6 of 8

Q51.
How many rounds are present in each iteration function of SHA-3?

a.

3

b.

4

c.

5

d.

6

Discuss
Answer: (c).5
Q52.
In SHA-3, which step function does not affect W [0, 0]?
Discuss
Answer: (c).Pi
Q53.
Which among the following is not a substitution operation?
Discuss
Answer: (c).Pi
Q54.
In SHA-3, for a message digest size of 256, what is the bitrate ‘r’ (capacity = 512) ?
Discuss
Answer: (b).1088
Q55.
The sponge construction involves 2 phases, these are
Discuss
Answer: (c).absorbing and squeezing
Q56.
Within the Keccak function-f, the 1600 bits are arranged into a 5 x 5 x 64 array a. The 64-bit units are referred to as
Discuss
Answer: (d).lanes
Q57.
What are the co-ordinates of the bottom-right most lane?
Discuss
Answer: (b).L[4, 0].
Q58.
How many iterations / rounds does the Keccak function have ?
Discuss
Answer: (d).24
Q59.
Which step function works only W[0, 0]?
Discuss
Answer: (b).Iota
Q60.
SHA-3 has an advantage over other algorithms because, there is no need for table look ups, arithmetic operations or data dependent operations.
Discuss
Answer: (a).True
Page 6 of 8

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