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 4 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

Q31.

The message in SHA-512 is padded so that it’s length is

832 mod 1024

768 mod 1024

960 mod 1024

896 mod 1024

Discuss

Answer: (d).896 mod 1024

Q32.

The big-endian format is one in which

the least significant byte is stored in the low-address byte position

the least significant byte is stored in the high-address byte position

the most significant byte is stored in the high-address byte position

the most significant byte is stored in the low-address byte position

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.

True

False

May be

Can't say

Discuss

Answer: (b).False

Q34.

What is the size of W (in bits) in the SHA-512 processing of a single 1024- bit block?

128

512

256

Discuss

Answer: (a).64

Q35.

In the SHA-512 processing of a single 1024- bit block, the round constants are obtained

by taking the first 64 bits of the fractional parts of the cube roots of the first 80 prime numbers

by taking the first 64 bits of the fractional parts of the cube roots of the first 64 prime numbers

by taking the first 64 bits of the fractional parts of the square roots of the first 80 prime numbers

by taking the first 64 bits of the non-fractional parts of the first 80 prime numbers

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

512 bits

1024 bits

N x 1024bits

N x 512 bits

Discuss

Answer: (a).512 bits

Q37.

Among the registers ‘a’ to ‘h’ how many involve permutation in each round?

Discuss

Answer: (c).6

Q38.

The registers ‘a’ and ‘e’ involve

Permutation and substitution both

Only Permutation

Only substitution

Don’t undergo any operations

Discuss

Answer: (c).Only substitution

Q39.

In SHA-512, W16 is dependent on

W0,W3,W7,W13

W3,W7,W11,W15

W0,W1,W9,W14

W0,W1,W10,W13

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?

2^256

2^512

2^1024

2^128

Discuss

Answer: (a).2^256

Page 4 of 8

Welcome to the Cryptographic Hash Functions MCQs Page

Cryptographic Hash Functions MCQs | Page 4 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

Suggested Topics

Computer Graphics

C# programming

IT Fundamentals

Management Information Systems

Digital Communication

Data Science

PHP

CompTIA PenTest+ Certification Exam PT0 002

Embedded Systems