<!DOCTYPE html> <html> <head> <title>Web-based Encryption Tool</title> <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/crypto-js.min.js"></script> </head> <body> <h1>Web-based Encryption Tool</h1> <label for="plaintext">Plaintext:</label> <br> <textarea id="plaintext" rows="5" cols="50"></textarea> <br> <label for="key">Encryption Key:</label> <br> <input type="text" ...
