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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 4 of 8

Q31.
The message in SHA-512 is padded so that it’s length is
Discuss
Answer: (d).896 mod 1024
Discuss
Answer: (d).the most significant byte is stored in the low-address byte position
Q33.
In SHA-512, the registers ‘a’ to ‘h’ are obtained by taking the first 64 bits of the fractional parts of the cube roots of the first 8 prime numbers.
Discuss
Answer: (b).False
Q34.
What is the size of W (in bits) in the SHA-512 processing of a single 1024- bit block?
Discuss
Answer: (a).64
Discuss
Answer: (a).by taking the first 64 bits of the fractional parts of the cube roots of the first 80 prime numbers
Q36.
The output of the N 1024-bit blocks from the Nth stage is
Discuss
Answer: (a).512 bits
Q37.
Among the registers ‘a’ to ‘h’ how many involve permutation in each round?

a.

4

b.

5

c.

6

d.

3

Discuss
Answer: (c).6
Discuss
Answer: (c).Only substitution
Q39.
In SHA-512, W16 is dependent on
Discuss
Answer: (c).W0,W1,W9,W14
Q40.
What is the number of operation required to come up with 2 messages having the same message digest in SHA-512?
Discuss
Answer: (a).2^256
Page 4 of 8

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