About This Python script demonstrates a substitution cipher applied to a text file, where each letter is replaced with the previous letter in the English alphabet.

Welcome to the Substitution Cipher project implemented in Python! This project demonstrates a simple yet effective encryption technique known as the substitution cipher. It allows users to encrypt and ...

You can make a message secret in countless different ways. One common way is to use a substitution cipher, in which one letter is substituted for another. Another is to employ a transposition ...

Product/Compound ciphers composed of multi-byte permutations and substitutions are generally considered to be more secure than their standalone individual component-cipher counterparts (i.e., ...