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Decrypt the cipher text using Transposition cipher and a key: 541362. Find the original message (plain text). Encrypt the message that you get from question (a) above using Vigenere cipher and a key: SECURITY. Find the cipher text.

Decrypt the cipher text using Transposition cipher and a key: 541362. Find the original message (plain text). Encrypt the message that you get from question (a) above using Vigenere cipher and a key: SECURITY. Find the cipher text.

Computer Networking: A Top-Down Approach (7th Edition)
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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QUESTION 1 DATA & NETWORK SECURITY Given a cipher text TYN SRZ HOX ONW DOO IUY. Answer all questions below. Show all the mathematical calculations and works involved to derive the answers. (a) Decrypt the cipher text using Transposition cipher and a key: 541362. Find the original message (plain text). (b) Encrypt the message that you get from question (a) above using Vigenere cipher and a key: SECURITY. Find the cipher text.
Transcribed Image Text:QUESTION 1 DATA & NETWORK SECURITY Given a cipher text TYN SRZ HOX ONW DOO IUY. Answer all questions below. Show all the mathematical calculations and works involved to derive the answers. (a) Decrypt the cipher text using Transposition cipher and a key: 541362. Find the original message (plain text). (b) Encrypt the message that you get from question (a) above using Vigenere cipher and a key: SECURITY. Find the cipher text.
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