You are a junior IT executive at your department dealing with the DES encryption key. From the random key generator, you are given the secret key (E0E0E0E0F1F1F1F1)hex to encrypt a message. Now, i.What is the output of the key after it is applied with the parity bit drop process box in Figure 1? At this point, is it a strong or weak key? Please state your reason. ii. Using the key-permutation compression 2 from Figure 2, decide whether this is a strong or weak key. Justify your answer.
You are a junior IT executive at your department dealing with the DES encryption key. From the random key generator, you are given the secret key (E0E0E0E0F1F1F1F1)hex to encrypt a message. Now, i.What is the output of the key after it is applied with the parity bit drop process box in Figure 1? At this point, is it a strong or weak key? Please state your reason. ii. Using the key-permutation compression 2 from Figure 2, decide whether this is a strong or weak key. Justify your answer.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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You are a junior IT executive at your department dealing with the DES encryption key. From the random key generator, you are given the secret key (E0E0E0E0F1F1F1F1)hex to encrypt a message. Now,
i.What is the output of the key after it is applied with the parity bit drop process box in Figure 1? At this point, is it a strong or weak key? Please state your reason.
ii. Using the key-permutation compression 2 from Figure 2, decide whether this is a strong or weak key. Justify your answer.
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Figure 1: Parity bit drop
Transcribed Image Text:14
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Figure 2: Key-Permutation Compression 2
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