Cryptographic Web Application | Python, HTML, CSS, JavaScript

Cryptographic Web Application — Presentation Script

This is a full-stack Cryptographic Web Application designed to handle secure data processing and storage. The core purpose of the platform is to bridge the gap between complex cryptographic theory and practical, user-friendly implementation. It provides an intuitive interface for users to secure sensitive data using industry-standard protocols.

On the backend, I built the core cryptographic engine using Python and the PyCryptodome library. This allowed me to securely implement two primary types of encryption:

Symmetric Encryption: It utilizes AES (the global gold standard for data security), alongside DES and Triple DES (3DES) to demonstrate how legacy systems evolve into modern, secure protocols.

Asymmetric Encryption: It integrates the RSA algorithm, managing public and private key pairs for secure data exchange.

Data Integrity (Hashing): Beyond standard encryption, the application includes hashing functionalities, which are crucial for secure password storage and ensuring data hasn't been tampered with.

The frontend was built from scratch using HTML, CSS, and JavaScript. The goal here was to create a highly interactive and clean UI. JavaScript handles the dynamic state changes on the client side—like switching instantly between encryption and decryption modes—ensuring the user experience is smooth, responsive, and error-free.

Ultimately, this project highlights my ability to take complex backend security concepts, implement them properly via Python, and deliver them through a secure, responsive, and well-designed web interface.