Playfair Cipher

A simple Python application for encrypting and decrypting text using the playfair cipher algorithm.
The project features an easy-to-use graphical user interface built with Tkinter

Main Files

• playfair_cypher.py — contains the affine cipher logic and helper functions
• gui.py — provides the graphical interface for user interaction
• main.py — allows you to launch the GUI by running python main.py

How to Run

git clone https://github.com/adamstefanik/playfair_cipher.git
cd playfair_cipher

2. Start the main file

python main.py

3. (If you are on Linux and get an error about Tkinter, install it via
   sudo apt install python3-tk.)

Structure

playfair_cipher/
├── pycache/
├── assets/
│ └── ui_screenshot.png
├── .gitignore
├── LICENSE
├── gui.py
├── main.py
├── playfaircipher.py
├── README.md

Dependencies

• Python 3.8+
• Tkinter
• Ctypes

License

This project was developed as part of my studies in software engineering during my sophomore year at Univerzita Tomáše Bati v Zlíne and is intended for educational purposes.