07- Network Security 1. Consider the plaintext message, e.g., m = "momo is here" or m = "coco is here". Find the cipertext messages C, and Ca, where C, is derived from m using a Caesar cipher with key k. and Ca is derived from m using a polyalphabetic cipher with ka- (ka1, kaa). Use the keys provided to you in iLearm. Ciphertext C, is (x) CinhertexL Cuis Iy)

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