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 ...

Originally built in 2023 as a learning exercise. Uploaded in 2025 for portfolio visibility. The code reflects the practices and scope from that period. Goal: Implement simple classical ciphers (Caesar ...

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 cipher, ...