🔐 ZKShare - Zero-Knowledge File Sharing Platform

A secure, privacy-focused file sharing platform with end-to-end encryption using zero-knowledge architecture. Deployed with Kubernetes and automated CI/CD.

🌟 Features

• Zero-Knowledge Encryption: Files are encrypted client-side with RSA-OAEP-2048 and AES-256-GCM
• Public Link Sharing: Share files via password-protected public links with download limits
• Secure File Sharing: Share encrypted files with other users
• Dark Mode: Persistent theme preference with light/dark mode toggle
• Real-time Notifications: WebSocket-based notification system
• Usage Tracking: Monitor storage usage and file statistics
• Key Backup Management: Secure backup and recovery of encryption keys
• Responsive UI: Modern, mobile-friendly interface built with React and Tailwind CSS
• Kubernetes Deployment: Production-ready container orchestration
• CI/CD Pipeline: Automated builds and deployments with GitHub Actions

🏗️ Architecture

Backend (Go Microservices)

• API Gateway (Port 8000): Routes requests to appropriate services
• Auth Service (Port 8001): User authentication and JWT management
• File Service (Port 8002): File upload, download, and storage
• Metadata Service (Port 8003): File metadata and sharing management
• Subscription Service (Port 8004): User subscription management
• Notification Service (Port 8005): Real-time notifications via WebSocket

Frontend (React)

• React 19 with Vite
• Tailwind CSS for styling
• shadcn/ui component library
• Client-side encryption with Web Crypto API
• Dark mode with persistent localStorage