Encrypt App (React + Node.js)

A full-stack application built with React (Vite) on the front-end and Node.js/Express with MongoDB on the back-end. Encrypt app was created as a university project for cybersecurity course and its goal is to show how end-to-end encryption can be used in modern web apps. This service allows users to register/login, generate encrypted messages for another users and decrypt massages addressed to them.

Features

• User registration & authentication (JWT)
• Find user by his username
• Encrypt message for selected user using his public key
• Decrypt message, that were encrypted for you, using private key that stores in sessionStorage

Live Demo

• https://encryption-app-six.vercel.app/

Tech Stack

• Frontend: React, Vite, React Router, Tailwind CSS, Context API, Axios, openpgp
• Backend: Node.js, Express, MongoDB (Mongoose), JWT, bcrypt
• Deployment: Vercel (frontend), Render (backend)

Project Structure

weather-app-react/
├── client/         # React frontend
└── server/         # Express backend

Getting Started

Backend

cd server
npm install
npm run dev

Frontend

cd client
npm install
npm run dev