This program takes a message and a custom key to perform encryption and decryption. Encryption: Each letter is shifted based on the corresponding letter in the key ...
*** IMPORTANT NOTE *** The Vigenere cipher is a classical encryption method that played an important role in the history of cryptography. However, it is no longer considered secure for protecting ...
Abstract: Julius Caesar and Vigenere ciphers are ancient methods of determining the cipher text for any given plain text message, They are very elementary and simple methods. But with the advent of ...
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