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Q1) Using the English alphabet (i.e., mod 26 arithmetic) let plaintext = {p1, p2,... , pn} and corresponding ciphertext = {c1, c2,... , cn}. Suppose the encryption function is ci = pi + 10 (mod 26). If you receive the ciphertext message MYXCDSDEDSYX and are asked to recover the plaintext. answer the following questions: a). Determine the decryption function, b). What is the decrypted plaintext? c). What are some weaknesses of this cipher?

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Computer Network & Security, Computer Science

Category:- Computer Network & Security
Reference No.:- M9221152

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