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.

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 5 of 8

Explore more Topics under Cryptography and Network Security

01

Cryptography Basics

02

Encryption Techniques

03

Data Encryption Standard

04

Number Theory and Finite Fields

05

Advanced Encryption Algorithm

06

Pseudorandom Number Generation and Stream Ciphers

07

Public Key Cryptography and RSA

08

Message Authentication Codes and Key Management

09

Network Security Concepts

10

Security in the Internet

11

Wireless Network Security

Q41.

The underlying structure of the SHA-3 algorithm is referred to as

Texture construction

Layer construction

Sponge construction

Cement construction

Discuss

Answer: (c).Sponge construction

Q42.

SHA-3 allows variable length input and output.

True

False

May be

Can't say

Discuss

Answer: (a).True

Q43.

Multi-rate padding is denoted by

10*

10*1

10*1*

0*1

Discuss

Answer: (b).10*1

Q44.

In SHA-3, if the desired output is l bits, then j blocks are produced, such that

(j-1) x r < l <= (j) x r

(j) x r< l <= (j+1) x r

(j-1) x r < l <= (j+1) x r

(j+1) x r < l <= (j+2) x r

Discuss

Answer: (a).(j-1) x r < l <= (j) x r

Q45.

In the sponge construction, the value ‘c’ is known as

constant

capacity

construct

closure

Discuss

Answer: (b).capacity

Q46.

The larger the value of ‘r’, the lesser the rate at which message bits are processed by the sponge construction.

True

False

May be

Can't say

Discuss

Answer: (b).False

Q47.

We can trade security for speed by

decreasing ‘c’ and increasing ‘r’

increasing ‘c’ and decreasing ‘r’

decreasing both ‘c’ and ‘r’

increasing both ‘c’ and ‘r’

Discuss

Answer: (b).increasing ‘c’ and decreasing ‘r’

Q48.

The default values for Keccak f are

c =1024 and r =576

c =786 and r =832

c =512 and r =1088

c =512 and r =832

Discuss

Answer: (d).c =512 and r =832

Q49.

In SHA-3, which step function does the operation L[2,3] <- L[2,3] XOR NOT(L[3,3]) AND L[4,3] represent?

Theta

Rho

Chi

Discuss

Answer: (d).Chi

Q50.

In SHA-3, which function does the operation L[2,3]<- C[1] XOR L[2,3] XOR ROT(C[3],1) represent?

Theta

Rho

Chi

Discuss

Answer: (a).Theta

Page 5 of 8

Welcome to the Cryptographic Hash Functions MCQs Page

Cryptographic Hash Functions MCQs | Page 5 of 8

Explore more Topics under Cryptography and Network Security

Cryptography Basics

Encryption Techniques

Data Encryption Standard

Number Theory and Finite Fields

Advanced Encryption Algorithm

Pseudorandom Number Generation and Stream Ciphers

Public Key Cryptography and RSA

Message Authentication Codes and Key Management

Network Security Concepts

Security in the Internet

Wireless Network Security

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