Question: a) Implement Playfair cipher to decrypt the following Ciphertext = DNPZLKBLNAKDAFLFCQNO Key = SUBSTITUTION

a) Implement Playfair cipher to decrypt the following Ciphertext = DNPZLKBLNAKDAFLFCQNO

a) Implement Playfair cipher to decrypt the following Ciphertext = DNPZLKBLNAKDAFLFCQNO Key = SUBSTITUTION

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