Answered: Give me information about the structure…

Give me information about the structure of the Data Encryption Standard cipher system and explain how it works. Put block diagram and proper labels if necessary

Management Of Information Security

6th Edition

ISBN:9781337405713

Author:WHITMAN, Michael.

Publisher:WHITMAN, Michael.

Chapter12: Protection Mechanisms

Section: Chapter Questions

Problem 19RQ

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Cryptography

Cryptography is a term used in computer science to describe secure information and communication techniques that transform messages in difficult-to-decipher ways using mathematical concepts and a set of rule-based calculations known as algorithms.

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Give me information about the structure of the Data Encryption Standard cipher system and explain how it works. Put block diagram and proper labels if necessary

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Asymmetric ciphers are more secure because of their asymmetric operations, which can't be reversed. This chapter taught you about many types of asymmetric operations. If so, what asymmetric operations can you come up with?
Research about the structure of Data Encryption Standard cipher system and explain how it works. Put block diagram and proper labels if necessary.
The security of asymmetric ciphers is based on the asymmetric operations, meaning operations that can not be easily reversed. What kind of asymmetric operations have you learned from this chapter? Can you propose some asymmetric operations?
How does the RSA algorithm work in asymmetric encryption, and what are its key components?
What aspects of the RSA cryptographic algorithm give it an advantage over other symmetrical encryption systems, and how did these aspects come about?
In the context of cryptography, what are the differences between a cipher that uses symmetric keys and a cipher that uses asymmetric keys? The industry standard for the size of the RSA public key is much bigger than the size of a symmetric key? Why? Are ciphers based on symmetric keys not s secure as RSA?
What is a "key derivation function" and why is it crucial in cryptographic systems?
The difference between some block cipher modes of operation, which solely employ encryption, and others, which use both encryption and decryption, can be explained as follows:
What is the significance of key management in encryption, and how is it addressed in modern cryptographic systems?
What are the advantages when you have knowledge about cipher and decipher.
In terms of the number of encryption operations required to send a big file, compare cipher block chaining to cipher feedback mode.Which is more efficient, and by what percentage?
Explain why it is impractical to use an ideal block cipher for real-world encryption. To make a secure block cipher, why is diffusion not enough? That is, why is confusion also necessary?