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

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

Database System Concepts
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
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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.
Transcribed Image Text: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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