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Second Question: Assume block size B-8, N=4, encryption is made by K bit circular left shift, K-3. Encrypt the message "AB67C8D2", note that IV=CD. Provide all details of your calculations. K 3 bits) Time = 1 D₁ (8 bits) Encrypt 0₁ (8 bits) K- Time=2 D₂ Encrypt 0₂ K-> Time = N-1 DN-1 Encrypt ON-1 K-> Time = N DN Encrypt ON (8 bits)

Second Question: Assume block size B-8, N=4, encryption is made by K bit circular left shift, K-3. Encrypt the message "AB67C8D2", note that IV=CD. Provide all details of your calculations. K 3 bits) Time = 1 D₁ (8 bits) Encrypt 0₁ (8 bits) K- Time=2 D₂ Encrypt 0₂ K-> Time = N-1 DN-1 Encrypt ON-1 K-> Time = N DN Encrypt ON (8 bits)

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
Problem 1PE
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Second Question: Assume block size B-8, N=4, encryption is made by K bit circular left shift, K-3. Encrypt the message "AB67C8D2", note that IV=CD. Provide all details of your calculations. IV K->> (3 bits) Time = 1 D₁ (8 bits) Encrypt 0₁ (8 bits) Show Transcribed Text K Time = 2 D₂ Encrypt S 0₂ ●K Time = N-1 DN-1 Encrypt ON-1 K Time = N DN Encrypt ON (8 bits)
Transcribed Image Text:Second Question: Assume block size B-8, N=4, encryption is made by K bit circular left shift, K-3. Encrypt the message "AB67C8D2", note that IV=CD. Provide all details of your calculations. IV K->> (3 bits) Time = 1 D₁ (8 bits) Encrypt 0₁ (8 bits) Show Transcribed Text K Time = 2 D₂ Encrypt S 0₂ ●K Time = N-1 DN-1 Encrypt ON-1 K Time = N DN Encrypt ON (8 bits)
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