The Affine cipher is a monoalphabetic substitution cipher that uses mathematical functions to encrypt and decrypt messages. In this cipher, each letter in the plaintext is first mapped to a number ...
Write a C program for ciphertext has been generated with an affine cipher. The most frequent letter of the ciphertext is “B,” and the second most frequent letter of the ciphertext is “U.”Break this ...
Abstract: The rapid growth of instant messaging platforms has exposed critical security vulnerabilities, including data interception, unauthorized access, and privacy breaches. This research develops ...
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