Playfair Cipher Encryption Tool

Overview

This project implements a Playfair Cipher encryption tool using Html,Css,JavaScript. The Playfair Cipher is a cryptographic technique that encrypts plaintext into ciphertext by using a 5x5 key table of letters.

Features

• Encryption of plaintext using the Playfair Cipher algorithm.
• Responsive web interface for inputting the key and plaintext.
• Decryption of ciphertext back to plaintext.
• Modern and visually appealing design.

Technologies Used

• HTML5
• CSS3
• JavaScript

Usage

1. Input a key and plaintext into the designated fields.
2. Click the "Encrypt" button to generate the ciphertext.
3. Optionally, click the "Decrypt" button to decrypt the ciphertext back to plaintext.

Setup

1. Clone the repository to your local machine.
2. Open the index.html file in your web browser.
3. Ensure that your browser supports JavaScript.

Credits

This project was developed by Md. Manzurul Alam (niloy104).