SecurityFull Stack
Secure Chat v2
End-to-end encrypted messaging application. Server has zero knowledge of message content.
Built a secure real-time chat application with end-to-end encryption. Messages are encrypted on the client before transmission — the server stores only ciphertext and has no access to plaintext content. Implements secure key exchange and real-time delivery.
Key Points
- Server-side zero-knowledge: only ciphertext stored and transmitted
- End-to-end encryption with client-side key management
- Real-time message delivery via WebSockets
Tech Stack
EncryptionWebSocketsReal-time messagingKey exchange