SecureBitChat/securebit-chat
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**What Changed:**

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- **Removed:** All libsodium dependencies and PAKE-based authentication
- **Replaced With:** ECDH + DTLS + SAS triple-layer security system
- **Impact:** Eliminates complex PAKE implementation in favor of standardized protocols

**Security Benefits:**
- ✅ **Simplified Architecture** - Reduced attack surface
- ✅ **Standards Compliance** - RFC-compliant protocols
- ✅ **Better Maintenance** - Native Web Crypto API usage
- ✅ **Enhanced Security** - Triple-layer defense system

**New Features:**
- **Elliptic Curve Diffie-Hellman** using P-384 (secp384r1)
- **Cryptographically secure** key pair generation
- **Perfect Forward Secrecy** with session-specific keys
- **MITM resistance** requiring knowledge of both private keys
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lockbitchat
2025-09-04 17:25:01 -04:00
parent 0d029f5d39
commit e2316f6557
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doc/SECURITY-ARCHITECTURE.md
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# SecureBit.chat Security Architecture
# SecureBit.chat Security Architecture v4.02.985
## 🛡️ Overview
SecureBit.chat implements a revolutionary **18-layer security architecture** that provides military-grade protection for peer-to-peer communications. This document details the technical implementation of our security system, which exceeds most government and enterprise communication standards.
SecureBit.chat implements a revolutionary **18-layer security architecture** with ECDH + DTLS + SAS authentication that provides military-grade protection for peer-to-peer communications. This document details the technical implementation of our security system, which exceeds most government and enterprise communication standards.
**Current Implementation:** Stage 5 - Maximum Security
**Security Rating:** Maximum (ASN.1 Validated)
**Security Rating:** Maximum (ECDH + DTLS + SAS)
**Active Layers:** 18/18
**Threat Protection:** Comprehensive (MITM, Traffic Analysis, Replay Attacks, Session Hijacking, Race Conditions, Key Exposure, DTLS Race Conditions, Memory Safety, Use-After-Free, Key Structure Manipulation)