plz answer these questions. Thx for u 5. Describe the Data encryption algorithm for 64-bit length plaintext and 56-bit lengthkey of DES. Explain the decryption algorithm as well.6. What are the drawbacks of DES that motivated the development of AES? Be veryspecific in your answer.7. Message integrity protection failure is more prominent in stream cipher basedencryption. Discuss in details with appropriate examples why this happens in a streamcipher.8. Explain the error propagation of Ciphertext in Cipher Block Chaining Mode (CBC)and how does it affect the Plaintext.

5.The data encryption algorithm for 64-bit lenth plaintext and 56-bit length key of DES. the…

Answered: . Describe the Data encryption…

. Describe the Data encryption algorithm for 64-bit length plaintext and 56 key of DES. Explain the decryption algorithm as well.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

plz answer these questions. Thx for u

5. Describe the Data encryption algorithm for 64-bit length plaintext and 56-bit length
key of DES. Explain the decryption algorithm as well.
6. What are the drawbacks of DES that motivated the development of AES? Be very
specific in your answer.
7. Message integrity protection failure is more prominent in stream cipher based
encryption. Discuss in details with appropriate examples why this happens in a stream
cipher.
8. Explain the error propagation of Ciphertext in Cipher Block Chaining Mode (CBC)
and how does it affect the Plaintext.

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SUBJECT:- CRYPTOGRAPHY
Answer the following question: What are two examples of a stream cipher?
What is the precise distinction between stream ciphers and block ciphers? Kindly mention three distinctions and a rationale for each.
Discuss the differences between block ciphers and stream ciphers.
2) The RC4 stream cipher, used in the WEP encryption scheme, relies on an initialization vector (IV). What is the purpose of the IV? Why it is important that the IV is not reused?
Explain the difference between stream cipher and block cipher.
What precisely is the difference between stream ciphers and block ciphers? Stream ciphers and block ciphers both encrypt data. Please offer an explanation for each of the following: three separate differences
How do stream ciphers differ from block ciphers? give 3 differences and explain the answer?
Explain why a stream cipher fails to protect message integrity?
Answer the following statement: give a brief definition for a stream cipher.
If you were to sum up the differences between stream ciphers and block ciphers, what would you say they are? Provide three examples of differences and an explanation of why each is important.
Please provide a relevant answer for the upvote, thank you in advance.