{"id":29022577,"url":"https://github.com/aryanchauhan1234/securechat","last_synced_at":"2026-04-05T08:35:57.892Z","repository":{"id":299075554,"uuid":"1001990883","full_name":"aryanchauhan1234/SecureChat","owner":"aryanchauhan1234","description":"SecureChat is a modern full-stack chat application built with security and privacy at its core. 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Using cutting-edge **end-to-end encryption (E2EE)**, SecureChat ensures that messages can only be read by the intended recipients — not even the server can decrypt them.\n\n---\n\n## 🚀 Features\n\n- 🔐 **End-to-End Encryption (E2EE)** using **RSA + AES Hybrid Encryption**\n- 🧑‍🤝‍🧑 Real-time 1:1 messaging\n- 🖼️ Send text and image messages\n- 🟢 Online/offline presence indicator\n- 🔒 Secure key generation and exchange per user\n- 🗑️ Ephemeral message keys – no permanent storage of private keys\n- 🧠 Smart error handling and toast notifications\n- 🌐 Cross-browser and responsive UI\n\n---\n\n## 🧰 Tech Stack\n\n**Frontend:**\n- React.js + Tailwind CSS\n- Zustand (for global state management)\n- CryptoJS (for frontend encryption logic)\n\n**Backend:**\n- Node.js + Express\n- MongoDB with Mongoose\n- Cloudinary (for image storage)\n- JSON Web Tokens (JWT) for authentication\n- IndexedDB (for local private key storage in browser)\n\n**Security:**\n- RSA (asymmetric encryption) for secure key exchange\n- AES (symmetric encryption) for efficient message encryption\n- Per-user public/private key generation\n- End-to-end encryption handled entirely on the client-side\n\n---\n\n## 🔧 Local Development Setup\n\n### Prerequisites\n\n- Node.js and npm\n- MongoDB running locally or MongoDB Atlas URI\n- Git\n\n### Clone the repository\n\n```bash\ngit clone https://github.com/your-username/SecureChat.git\ncd SecureChat\n\n### Setup .env file\n\n```js\nMONGODB_URI=...\nPORT=5001\nJWT_SECRET=...\n\nCLOUDINARY_CLOUD_NAME=...\nCLOUDINARY_API_KEY=...\nCLOUDINARY_API_SECRET=...\n\nNODE_ENV=development\n```\n\n### Build the app\n\n```shell\nnpm run build\n```\n\n### Start the app\n\n```shell\nnpm start\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faryanchauhan1234%2Fsecurechat","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Faryanchauhan1234%2Fsecurechat","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faryanchauhan1234%2Fsecurechat/lists"}