Credit Card Encryption Application

This Python application provides a graphical interface to encrypt credit card numbers using AES and RSA algorithms. Users can input a credit card number, select an encryption method, view encryption details, and save the encrypted message or keys to a file.

Features

• AES encryption with multiple rounds and matrix transformations
• RSA encryption with key generation (public and private keys)
• GUI built with Tkinter for easy interaction
• Option to save encrypted messages and keys
• View encryption history

Usage

1. Run main.py to launch the GUI.
2. Enter a valid credit card number in the format #### #### #### ####.
3. Choose AES or RSA encryption.
4. View the encrypted message and optionally save it to a file.
5. Use the History button to view previous encryptions.

Notes

• AES encryption performs multiple rounds with row shifting and matrix operations.
• RSA encryption generates prime numbers for secure public/private key pairs.