Chat-Nat (formerly E2EE with ECDH)

An implementation of E2EE (End-to-End Encryption) using the ECDH (Elliptic Curve Diffie Hellman) key exchange

This is the E2EE used in a webapp built using the MERN stack.

Installation

• Navigate to the backend folder using cd backend
• Install the node packages required for backend using npm i
• Either install MongoDB locally, or use MongoDB Atlas, and create a database on it
• Open another terminal
• Navigate to the frontend folder using cd frontend
• Install the node packages required for frontend using npm i

Configuration

Create a file named .env in the backend directory as follows:

DB_URL="<URL to the database>"
LOGIN_KEY="<a random string>"

Running the program

• While still in the backend directory, run the index.js file using node index.js
• In the other terminal, while in the frontend directory, run npm start to start React
• Now, the backend should be running at http://localhost:5000/, and the frontend at http://localhost:3000