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| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| Parent folder | |||
| README.md | 2025-12-29 | 5.5 kB | |
| SecureBit.chat v4.7.53 - Desktop Edition Release source code.tar.gz | 2025-12-29 | 31.4 MB | |
| SecureBit.chat v4.7.53 - Desktop Edition Release source code.zip | 2025-12-29 | 32.8 MB | |
| Totals: 3 Items | 64.2 MB | 0 | |
Major Release: Desktop Applications Now Available!
We're excited to announce the release of SecureBit.chat v4.7.53 with full support for native desktop applications on Windows, macOS, and Linux!
What's New
Desktop Edition (v4.7)
Native desktop applications are now available for all major platforms:
- Windows 10/11 - NSIS Installer (x64)
- macOS 11+ - Universal App (Intel + Apple Silicon)
- Linux - AppImage (Universal, amd64)
Key Features:
- Built with Tauri v2 - Lightweight, secure, and performant
- Native system integration (notifications, system tray, auto-start)
- Offline support - Works without internet connection
- Multi-window support - Multiple conversation windows
- Improved performance - Native code execution for crypto operations
- Lower resource usage compared to Electron-based apps
Bug Fixes & Improvements
- Fix: Prevent encryption key loss and IndexedDB connection errors
- Fix: Disable timer-based key rotation for Double Ratchet mode
- Fix: Auto-reinitialize encryption keys when missing but ECDH available
- Fix: Preserve active keys during periodic cleanup in ratchet sessions
- Fix: IndexedDB "database closing" errors with connection checking
- Improvement: Individual transactions per queue item to prevent race conditions
- Improvement: Enhanced message text wrapping in chat interface
- Improvement: Better error handling and recovery mechanisms
Security Enhancements
- ECDH + DTLS + SAS System - Triple-layer security verification
- ASN.1 Full Structure Validation - Complete key structure verification
- Enhanced MITM Protection - Multi-layer defense system
- Secure Key Storage - WeakMap-based isolation
- Production-Ready Logging - Data sanitization and privacy protection
- HKDF Key Derivation - RFC 5869 compliant key separation and derivation
Version Information
- Web Version: v4.7.53
- Desktop Apps: v0.1.0 (Beta)
- Release Date: December 2024
- Status: Production (Web), Beta (Desktop)
Updated Roadmap
Current Status
- v4.5 - Enhanced Security Edition (Released)
- v4.7 - Desktop Edition (Current)
- v5.0 - Mobile Edition (Q1 2026)
- v5.5 - Quantum-Resistant Edition (Q2 2026)
- v6.0 - Group Communications (Q4 2026)
- v6.5 - Decentralized Network (2027)
- v7.0 - AI Privacy Assistant (2028+)
Getting Started
Web Version
Visit https://securebit.chat/ to use the web version in your browser.
Desktop Apps
- Download from securebit-desktop releases
- Install on your platform:
- Windows: Run
.exeinstaller - macOS: Open
.zip, drag app to Applications - Linux: Make executable:
chmod +x SecureBit.Chat_*.AppImage, then run - Launch and start secure communication!
Security
All SecureBit applications share the same open-source cryptographic core:
- Repository: securebit-core
- License: Apache License 2.0
- Language: Rust (memory-safe)
- Auditable: 100% of cryptographic operations
Security Features:
- 18-Layer Military Security
- ECDH + DTLS + SAS triple-layer verification
- Perfect Forward Secrecy
- End-to-End Encryption
- Zero-Knowledge Architecture
- Complete ASN.1 validation
Platform Availability
| Platform | Status | Version |
|---|---|---|
| Web Browser | ✅ Production | v4.7.53 |
| Windows Desktop | ✅ Beta | v0.1.0 |
| macOS Desktop | ✅ Beta | v0.1.0 |
| Linux Desktop | ✅ Beta | v0.1.0 |
| iOS Mobile | 🔄 In Development | Coming Q1 2026 |
| Android Mobile | 🔄 In Development | Coming Q1 2026 |
Bug Reports
Found a bug? Please report it:
- Security Issues: SecureBitChat@proton.me
Acknowledgments
Thank you to all contributors, testers, and the community for making this release possible!
Special thanks to:
- Tauri Team - For the excellent desktop framework
- Rust Crypto Community - For cryptographic primitives
- WebRTC Community - For P2P technology
- All Contributors - Code, testing, and feedback
Resources
- Web App: https://securebit.chat/
- Desktop Apps: Download
- Security Core: securebit-core
- GitHub: securebit-chat
Support the Project
If you find SecureBit.chat useful, please consider:
- Star the repository - GitHub
- Report bugs - Help us improve
- Improve documentation - Help others
- Spread the word - Share with privacy advocates
Made with 🔒 for privacy advocates worldwide
Copyright © 2025-2026 SecureBit Team. All rights reserved.
