124 lines
4.7 KiB
Markdown
124 lines
4.7 KiB
Markdown
# SecureBit.chat v4.5.22
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<div align="center">
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**World's first P2P messenger with ECDH + DTLS + SAS security and military-grade cryptography**
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[](https://github.com/SecureBitChat/securebit-chat/releases/latest)
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[](https://securebitchat.github.io/securebit-chat/)
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[](https://opensource.org/licenses/MIT)
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[🚀 Try Now](https://securebitchat.github.io/securebit-chat/) • [📖 Documentation](#-quick-start) • [🔒 Security](#-security) • [🤝 Contribute](#-contributing)
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</div>
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---
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## 🚧 Project Update: Transition to Desktop & Mobile Versions
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The **web version of SecureBit.chat** will remain available and stable,
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but **no major updates** are planned in the near future.
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We are now focusing on developing **next-generation desktop and mobile applications** powered by **Tauri v2**,
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bringing new features that will be **fully backward-compatible** with the current web version:
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- **Offline communication** via LoRa & mesh networking
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- **Improved encryption performance** with native crypto modules
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- **Cross-platform synchronization** between devices
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- **Local secure storage & hardware key integration**
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These new builds will enable true **serverless communication** even under restricted or offline conditions.
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If you appreciate our mission to build **decentralized, censorship-resistant communication**,
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please **support the project by starring it on GitHub** — your support helps development and visibility!
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👉 [⭐ Star SecureBit.chat on GitHub](https://github.com/SecureBitChat/securebit-chat)
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---
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## 🎯 Overview
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SecureBit.chat is a revolutionary peer-to-peer messenger that prioritizes your privacy with military-grade encryption. No servers, no registration, no data collection - just pure, secure communication.
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### Key Features
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- 🔐 **19-Layer Military Security** - ECDH + DTLS + SAS verification
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- 🌐 **Pure P2P Architecture** - No servers, truly decentralized
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- 📱 **Progressive Web App** - Install like a native app
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- 📂 **Secure File Transfer** - End-to-end encrypted P2P file sharing
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- 🔔 **Smart Notifications** - Browser alerts only when away
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- 🎭 **Complete Anonymity** - Zero data collection, no registration
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---
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## ✨ What's New in v4.5.22
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### fix: prevent encryption key loss and IndexedDB connection errors
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- Disable timer-based key rotation for Double Ratchet mode
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- Auto-reinitialize encryption keys when missing but ECDH available
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- Preserve active keys during periodic cleanup in ratchet sessions
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- Fix IndexedDB "database closing" errors with connection checking
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- Add individual transactions per queue item to prevent race conditions
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### 🛡️ Security Enhancements
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- **ECDH + DTLS + SAS System** - Triple-layer security verification
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- **ASN.1 Full Structure Validation** - Complete key structure verification
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- **Enhanced MITM Protection** - Multi-layer defense system
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- **Secure Key Storage** - WeakMap-based isolation
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- **Production-Ready Logging** - Data sanitization and privacy protection
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- **HKDF Key Derivation** - RFC 5869 compliant key separation and derivation
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---
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## 🗺️ Roadmap
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**Current: v4.5.22** - Browser Notifications & Code Cleanup ✅
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**Next Releases:**
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- **v4.5 (Q2 2025)** - Mobile & Desktop Apps
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- Native mobile applications (iOS/Android)
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- **Tauri v2 desktop clients (Windows/macOS/Linux)**
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- Push notifications and cross-device sync
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- **v5.0 (Q4 2025)** - Quantum-Resistant Edition
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- CRYSTALS-Kyber post-quantum key exchange
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- SPHINCS+ post-quantum signatures
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- Hybrid classical + post-quantum schemes
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---
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## 🤝 Contributing
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We welcome contributions! Here's how:
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1. Fork the repository
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2. Create feature branch: `git checkout -b feature/amazing-feature`
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3. Commit changes: `git commit -m "Add amazing feature"`
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4. Push to branch: `git push origin feature/amazing-feature`
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5. Open Pull Request
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If you support the mission — **please star the repo!**
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[⭐ Star SecureBit.chat on GitHub](https://github.com/SecureBitChat/securebit-chat)
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---
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<div align="center">
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**SecureBit.chat Security Team**
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*Committed to protecting your privacy with military-grade security*
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**Report vulnerabilities:** SecureBitChat@proton.me
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---
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**Latest Release: v4.5.22** - Browser Notifications & Code Cleanup
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[🚀 Try Now](https://securebitchat.github.io/securebit-chat/) • [⭐ Star on GitHub](https://github.com/SecureBitChat/securebit-chat)
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</div>
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