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Updated application documentation and website homepage to include ASN.1 Validation

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2025-08-27 13:25:26 -04:00
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SECURITY.md
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## 🛡️ Security Overview
SecureBit.chat is built with security-first principles and implements **military-grade security** with 12-layer protection system. We take security vulnerabilities seriously and appreciate responsible disclosure from the security community.
SecureBit.chat is built with security-first principles and implements **military-grade security** with 18-layer protection system. We take security vulnerabilities seriously and appreciate responsible disclosure from the security community.
**Current Security Status:** 🔒 **MAXIMUM SECURITY (Stage 4)** - Exceeds government-grade communication standards
**Current Security Status:** 🔒 **MAXIMUM SECURITY (Stage 5)** - Exceeds government-grade communication standards with complete ASN.1 validation
## 🔒 Enhanced Security Features (Stage 4)
## 🔒 Enhanced Security Features (Stage 5)
### Multi-Layer Cryptographic Implementation
- **Key Exchange:** ECDH P-384 (NIST recommended curve) with non-extractable keys
@@ -40,16 +40,27 @@ SecureBit.chat is built with security-first principles and implements **military
- **Multi-stage Validation:** Step-by-step validation with automatic rollback on failures
- **Production Security Logging:** Environment-aware logging with data sanitization
### 🔐 ASN.1 Complete Structure Validation (NEW)
- **Complete ASN.1 DER Parser:** Full structural validation of all cryptographic keys
- **OID Validation:** Algorithm and curve verification (P-256/P-384 only)
- **EC Point Format Verification:** Uncompressed format 0x04 validation
- **SPKI Structure Validation:** Element count and type checking
- **Key Size Limits:** 50-2000 bytes to prevent DoS attacks
- **BIT STRING Validation:** Ensuring unused bits are 0
- **Fallback Support:** P-384 to P-256 compatibility
- **High-Risk Vulnerability Fix:** Prevents keys with valid headers but modified data
## 🚨 Supported Versions
| Version | Security Level | Supported |
| ------- | -------------- | ------------------ |
| 4.1.x | MILITARY-GRADE | ✅ Yes (15 layers)|
| 4.02.x | MILITARY-GRADE | ✅ Yes (18 layers)|
| 4.01.x | MILITARY-GRADE | ✅ Yes (15 layers)|
| 4.0.x | MAXIMUM | ✅ Yes (12 layers)|
| 3.x.x | HIGH | ⚠️ Limited |
| < 3.0 | BASIC | ❌ No |
**Recommendation:** Upgrade to 4.1.x immediately for military-grade security protection.
**Recommendation:** Upgrade to 4.02.x immediately for complete ASN.1 validation and military-grade security protection.
## 📋 Reporting a Vulnerability
@@ -97,14 +108,15 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
### Internal Security Measures
- **Code Review:** All cryptographic code reviewed by multiple developers
- **Security Testing:** Comprehensive 12-layer security test suite
- **Security Testing:** Comprehensive 18-layer security test suite
- **Dependencies:** Regular security updates for all dependencies
- **Vulnerability Testing:** Automated testing for all 12 security layers
- **Vulnerability Testing:** Automated testing for all 18 security layers
- **ASN.1 Validation:** Complete structural validation of all cryptographic keys
## 📊 Security Architecture (Stage 4)
## 📊 Security Architecture (Stage 5)
```
12-Layer Security Architecture:
18-Layer Security Architecture:
├── Layer 1: Enhanced Authentication (ECDSA P-384 + SHA-384)
├── Layer 2: Key Exchange (ECDH P-384, non-extractable keys)
├── Layer 3: Metadata Protection (AES-256-GCM + 64-byte salt)
@@ -116,7 +128,13 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
├── Layer 9: Message Chunking (Random delays + sizes)
├── Layer 10: Fake Traffic Generation (Invisible decoy messages)
├── Layer 11: Enhanced Rate Limiting (Cryptographic verification)
└── Layer 12: Perfect Forward Secrecy (5-minute key rotation)
├── Layer 12: Perfect Forward Secrecy (5-minute key rotation)
├── Layer 13: Mutex Framework (Race condition protection)
├── Layer 14: Secure Key Storage (WeakMap isolation)
├── Layer 15: Production Logging (Data sanitization)
├── Layer 16: ASN.1 Validation (Complete key structure verification)
├── Layer 17: OID Validation (Algorithm and curve verification)
└── Layer 18: EC Point Validation (Format and structure verification)
```
### Security Metrics
@@ -125,25 +143,27 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
- **Forward Secrecy:** Complete (automatic key rotation)
- **Traffic Analysis Protection:** Maximum (6-layer obfuscation)
- **Attack Surface:** Minimal (P2P, no central servers)
- **Key Validation:** Complete ASN.1 DER parsing and validation
- **Structural Security:** Full PKCS compliance for all operations
## 🛠️ Security Best Practices for Users
### For Maximum Security:
1. **Verify Authenticity:** Always verify out-of-band codes (enhanced 6-digit format)
2. **Use Official Source:** Only use https://SecureBit.chat
3. **Keep Updated:** Use version 4.0.x for maximum security
3. **Keep Updated:** Use version 4.02.x for complete ASN.1 validation
4. **Secure Environment:** Use updated browsers on secure devices
5. **Lightning Wallets:** Use reputable Lightning wallets (Alby, Zeus, etc.)
6. **Monitor Security Status:** Check for "MAXIMUM SECURITY" indicator in chat
### Security Indicators:
- ✅ **Green Shield:** MAXIMUM SECURITY (Stage 4) active
- 🟡 **Yellow Shield:** HIGH SECURITY (Stage 3)
- ✅ **Green Shield:** MAXIMUM SECURITY (Stage 5) active
- 🟡 **Yellow Shield:** HIGH SECURITY (Stage 3-4)
- 🔴 **Red Shield:** Security issues detected
### Red Flags:
- ❌ Verification codes don't match
- ❌ Security level below Stage 4
- ❌ Security level below Stage 5
- ❌ Unusual connection behavior
- ❌ Requests for private keys or seed phrases
- ❌ Unofficial domains or mirrors
@@ -153,7 +173,7 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
### Scope
**In Scope:**
- ✅ Cryptographic implementation flaws in any of the 12 layers
- ✅ Cryptographic implementation flaws in any of the 18 layers
- ✅ WebRTC security issues
- ✅ Authentication bypass attempts
- ✅ Input validation vulnerabilities
@@ -162,6 +182,9 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
- ✅ Perfect Forward Secrecy implementation
- ✅ Anti-fingerprinting bypass techniques
- ✅ Fake traffic detection methods
- ✅ ASN.1 validation bypass attempts
- ✅ Key structure manipulation attacks
- ✅ OID validation bypass techniques
**Out of Scope:**
- ❌ Social engineering attacks
@@ -178,10 +201,20 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
- **Legal Compliance:** Follow all applicable laws
- **Respect Privacy:** Don't attempt to break active encrypted sessions
## 🔄 Recent Security Updates (Version 4.0)
## 🔄 Recent Security Updates (Version 4.02)
### Major Security Enhancements:
- ✅ **Implemented 12-layer security architecture**
- ✅ **Implemented 18-layer security architecture**
- ✅ **Added complete ASN.1 DER parser for key validation**
- ✅ **Enhanced key security with OID and EC point verification**
- ✅ **Fixed high-risk vulnerability in key structure validation**
- ✅ **Added SPKI structure validation and element checking**
- ✅ **Implemented key size limits to prevent DoS attacks**
- ✅ **Added BIT STRING validation ensuring unused bits are 0**
- ✅ **Enhanced fallback support from P-384 to P-256**
### Previous Enhancements (Version 4.01):
- ✅ **Implemented 15-layer security architecture**
- ✅ **Added Perfect Forward Secrecy with automatic key rotation**
- ✅ **Enhanced MITM protection with ECDSA signatures**
- ✅ **Implemented traffic obfuscation (fake traffic, padding, chunking)**
@@ -195,27 +228,35 @@ We maintain a hall of fame for security researchers who help improve SecureBit.c
- 🔧 **Resolved message processing conflicts**
- 🔧 **Improved security layer error handling**
- 🔧 **Enhanced session validation**
- 🔧 **Complete rewrite of validateKeyStructure() method**
## 📚 Security Resources
### Technical Documentation:
- [12-Layer Security Architecture](docs/SECURITY-ARCHITECTURE.md)
- [18-Layer Security Architecture](docs/SECURITY-ARCHITECTURE.md)
- [Cryptographic Implementation](docs/CRYPTOGRAPHY.md)
- [P2P Security Model](docs/P2P-SECURITY.md)
- [Lightning Integration Security](docs/LIGHTNING-SECURITY.md)
- [Traffic Obfuscation Guide](docs/TRAFFIC-OBFUSCATION.md)
- [ASN.1 Validation Guide](docs/ASN1-VALIDATION.md)
### External Resources:
- [WebRTC Security Guide](https://webrtc-security.github.io/)
- [Web Crypto API Best Practices](https://www.w3.org/TR/WebCryptoAPI/)
- [Lightning Network Security](https://lightning.network/lightning-network-paper.pdf)
- [NIST Cryptographic Standards](https://csrc.nist.gov/)
- [RFC 5280 - X.509 Certificate Structure](https://tools.ietf.org/html/rfc5280)
- [RFC 5480 - Elliptic Curve Subject Public Key Information](https://tools.ietf.org/html/rfc5480)
### Security Verification:
```bash
# Verify current security status in browser console:
webrtcManager.getSecurityStatus()
# Expected: { stage: 4, securityLevel: 'MAXIMUM', activeFeatures: 12 }
# Expected: { stage: 5, securityLevel: 'MAXIMUM', activeFeatures: 18 }
# Verify ASN.1 validation status:
cryptoManager.getASN1ValidationStatus()
# Expected: { enabled: true, parser: 'DER', validation: 'complete' }
```
## 📞 Contact Information
@@ -226,16 +267,18 @@ webrtcManager.getSecurityStatus()
## 🏅 Security Achievements
SecureBit.chat v4.0 provides:
- **🥇 Military-Grade Security:** 12-layer protection system
SecureBit.chat v4.02 provides:
- **🥇 Military-Grade Security:** 18-layer protection system
- **🥇 Government-Level Encryption:** Triple AES-256-GCM + P-384 ECDH/ECDSA
- **🥇 Perfect Forward Secrecy:** Complete with automatic key rotation
- **🥇 Traffic Analysis Protection:** Maximum with 6-layer obfuscation
- **🥇 Zero-Trust Architecture:** No central points of failure
- **🥇 Complete ASN.1 Validation:** Full structural verification of all cryptographic keys
- **🥇 PKCS Compliance:** Complete adherence to cryptographic standards
**Security Rating: MAXIMUM** - Exceeds most government and military communication standards.
**Security Rating: MAXIMUM** - Exceeds most government and military communication standards with complete key structure validation.
---
*This security policy is reviewed and updated quarterly. Last updated: January 14, 2025*
*Security implementation verified and tested as of Version 4.0*
*This security policy is reviewed and updated quarterly. Last updated: January 15, 2025*
*Security implementation verified and tested as of Version 4.02.442*