Secure Chat Application

This project is a real-time chat application built with Node.js, Express, and Socket.io, featuring end-to-end encryption (E2EE) for secure messaging. Users can join chat rooms, send messages, and use emojis, all while ensuring that their conversations remain private and secure.

Features

• Real-time Communication: Instant messaging using WebSockets via Socket.io.
• End-to-End Encryption: Messages are encrypted on the sender's side and decrypted on the recipient's side, ensuring privacy and security.
• Public Key Exchange: Each user generates a public/private key pair, with public keys exchanged to enable encryption.
• Multiple Chat Rooms: Users can join existing chat rooms or create new ones.
• Emoji Support: Users can include emojis in their messages using an emoji picker.
• User List and Room Information: Display of current users in the chat room and the room name.

Technologies Used

• Node.js: Backend server
• Express: Web framework for Node.js
• Socket.io: Real-time communication library
• Web Cryptography API: Browser API for cryptographic operations
• HTML/CSS/JavaScript: Frontend technologies

Setup

1. Clone the repository:

git clone https://github.com/yourusername/secure-chat-app.git
cd secure-chat-app

2. Install dependencies:

npm install name

3. Start the server:

npm start

4. Open your browser and navigate to:

http://localhost:3000

Usage

1. On the home page, enter your username and select a chat room or create a new one.
2. Join the chat room and start sending encrypted messages.
3. Use the emoji picker to add emojis to your messages.
4. See a list of current users in the chat room and the room name on the sidebar.

Future Enhancements

1. User Authentication: Implementing user authentication for added security.
2. Message History: Storing and retrieving past messages.
3. File Sharing: Enabling secure file sharing between users.