A simple, command-line tool for encrypting and decrypting text using the Monoalphabetic Substitution Cipher. This project is intended for educational purposes to demonstrate a basic cryptographic ...

The Cybersecurity Encryption & Decryption Tool is a Python-based graphical user interface (GUI) application designed to demonstrate various classical encryption and decryption algorithms. Built using ...

Hannah handed me a piece of paper with the following string of letters. “Each letter stands for another one,” said Hannah. “Ooh, a substitution cipher!” I thought. But I was stumped. “Is this just one ...