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Welcome to the Message Authentication Codes and Key Management MCQs Page

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

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Message Authentication Codes and Key Management MCQs | Page 5 of 11

Q41.
Which one of these is not a Whirlpool function?
Discuss
Answer: (d).Shift Rows
Discuss
Answer: (d).Substitute bytes, Shift columns, Mix rows, Add round key
Q43.
What is the size of the s-box table/matrix in Whirlpool?
Discuss
Answer: (b).16 × 16
Q44.
The S-box implements linear mapping thus providing diffusion.
Discuss
Answer: (b).False
Q45.
Another name for the Whirlpool key is
Discuss
Answer: (d).KState
Q46.
How many round constants (RCs) are required in Whirlpool?
Discuss
Answer: (a).10
Q47.
The Round Constant is dependent on the s-box values.
Discuss
Answer: (a).True
Q48.
The Round Constant is given by S[8(r-1)+j]. What are the limits of ‘r’?
Discuss
Answer: (c).0 <= r <= 10
Q49.
When the Round Constant is given by S[8(r-1)+j]. What are the limits of ‘i’ and ‘j’?
Discuss
Answer: (b).i = 0 ; 0 <= j <= 7
Q50.
The 7th row in the 8 × 8 matrix undergoes a ___________ shift.
Discuss
Answer: (b).6 byte
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