🛡️ Military-Grade Secure Messaging Application

A state-of-the-art, military-grade secure messaging system implementing advanced cryptographic protocols, AI-powered intrusion detection, Tor anonymization, and comprehensive forensics resistance.

🚀 Features Implemented

🔒 1. Signal Protocol Encryption (Best-in-Class)

• X3DH Key Agreement: Perfect forward secrecy with ephemeral keys
• ChaCha20-Poly1305: Authenticated encryption with associated data (AEAD)
• Digital Signatures: Ed25519 for message authentication and non-repudiation
• Key Rotation: Automatic key rotation every 10 messages for forward secrecy
• Deniability: Cryptographic deniability features

💥 2. Self-Destructing Messages (Tamper-Proof)

• Memory-Only Storage: Messages never written to disk
• Automatic Destruction: Messages destroy after reading or timeout
• Secure Memory Wiping: Multiple-pass memory overwriting
• Access Limiting: One-time read with immediate destruction
• Tamper Detection: Integrity verification with immediate destruction on tampering

🧅 3. Tor Integration (Metadata Resistance)

• Hidden Service: Automatic .onion address generation
• Traffic Obfuscation: Message padding and timing delays
• Circuit Rotation: Automatic Tor circuit changes for anonymity
• Dummy Traffic: Background noise generation
• Ephemeral Identities: Session-based aliases with automatic rotation

🔑 4. Multi-User Key Management

• Per-User Keypairs: Individual cryptographic identities
• QR Code Sharing: Secure key exchange via QR codes
• Fingerprint Verification: Manual key verification process
• Trust Management: Trust levels and verification status
• Key Rotation: Automated key rotation for forward secrecy

🤖 5. AI Intrusion Detection System

• Behavioral Analysis: Machine learning-based user behavior modeling
• Anomaly Detection: Real-time detection of suspicious patterns
• Network Threat Detection: IP reputation, rate limiting, attack pattern recognition
• System Monitoring: Resource usage and process monitoring
• Automated Response: Automatic blocking and alerting on threats

📡 6. Flask Signals Security System

• Event Monitoring: Comprehensive security event logging
• Threat Detection: Real-time pattern analysis
• Automated Actions: Emergency procedures and countermeasures
• Signal-Based Architecture: Decoupled security event handling

🛡️ 7. Advanced Security Hardening

• Logging Suppression: Complete logging elimination
• Forensics Resistance: Anti-forensics and memory protection
• Anti-Debugging: Process monitoring and debugger detection
• Memory Protection: Secure memory allocation and wiping
• Emergency Protocols: Panic button and emergency wipe

🏗️ Architecture

┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐
│   Frontend      │────│   Flask App     │────│ Security Layer  │
│                 │    │                 │    │                 │
│ • Matrix UI     │    │ • Route Handler │    │ • Crypto Engine │
│ • QR Scanner    │    │ • Session Mgmt  │    │ • Key Manager   │
│ • Status Board  │    │ • Security      │    │ • Memory Mgmt   │
└─────────────────┘    └─────────────────┘    └─────────────────┘
         │                       │                       │
         └───────────────────────┼───────────────────────┘
                                 │
    ┌─────────────────┬──────────┼──────────┬─────────────────┐
    │                 │          │          │                 │
┌───▼───┐    ┌────────▼─┐    ┌───▼────┐  ┌──▼──┐    ┌────────▼─┐
│ Tor   │    │ AI IDS   │    │Signals │  │ DB  │    │Hardening │
│       │    │          │    │        │  │     │    │          │
│•Hidden│    │•Behavior │    │•Events │  │•Mem │    │•Anti-    │
│ Svc   │    │ Analysis │    │•Threats│  │Only │    │ Forensics│
│•Obfus │    │•Anomaly  │    │•Actions│  │•Wipe│    │•Debug    │
└───────┘    └──────────┘    └────────┘  └─────┘    └──────────┘

🔧 Installation & Setup

Prerequisites

# Python 3.8+
python --version

# Tor (for anonymization)
# macOS: brew install tor
# Ubuntu: sudo apt-get install tor
# Install Tor from https://www.torproject.org/

Quick Start

# Clone and navigate
git clone <repository>
cd Manogna

# Install dependencies
pip install -r requirements.txt

# Run the application
python app.py

Production Deployment

# For maximum security
export FLASK_ENV=production
export PYTHONWARNINGS=ignore

# Disable logging
export WERKZEUG_RUN_MAIN=true

# Run with hardening
python -c "from app import app_instance; app_instance.run(debug=False, host='127.0.0.1')"

🎯 Usage Guide

1. User Registration

1. Navigate to /register
2. Create unique User ID and optional alias
3. Save generated QR code and fingerprint
4. Share QR code with trusted contacts only

2. Sending Secure Messages

1. Go to /send_message
2. Enter recipient's User ID
3. Compose message (max 5000 chars)
4. Set self-destruct timer (1-60 minutes)
5. Share generated secure link via secure channel

3. Reading Messages

1. Open secure link (one-time use)
2. Message displays for 10 seconds
3. Automatic destruction after viewing
4. No recovery possible

4. System Monitoring

1. Visit /status for real-time dashboard
2. Monitor threat levels and system status
3. View Tor connection and AI analysis
4. Access emergency controls

🔐 Security Features Detail

Cryptographic Implementation

• Signal Protocol: X3DH + Double Ratchet
• Encryption: ChaCha20-Poly1305 AEAD
• Signatures: Ed25519 digital signatures
• Key Derivation: PBKDF2 with 100,000+ iterations
• Random Generation: Cryptographically secure random

Memory Security

• Secure Allocation: Memory locking where possible
• Multiple Overwrites: 3-pass random + specific patterns
• Garbage Collection: Forced GC with noise injection
• Stack Protection: Anti-debugging and memory obfuscation

Network Security

• Tor Hidden Service: .onion address generation
• Traffic Analysis Resistance: Padding + timing delays
• IP Anonymization: Exit node rotation
• SSL/TLS: End-to-end encryption over Tor

AI Security

• Behavioral Modeling: User pattern learning
• Threat Classification: Multi-stage threat detection
• Automated Response: Real-time blocking and alerts
• False Positive Reduction: Machine learning optimization

⚠️ Security Warnings

CRITICAL SECURITY NOTICES

1. 🔑 Key Management

   • Private keys are generated locally and never transmitted
   • Loss of QR code/fingerprint means permanent loss of access
   • Verify fingerprints in person when possible

2. 🔒 Message Security

   • Messages are destroyed after reading - no recovery possible
   • Self-destruct timers are enforced - plan accordingly
   • Screenshot/copy protection enabled in browser

3. 🌐 Network Security

   • Always use Tor Browser for maximum anonymity
   • Verify .onion address authenticity
   • Avoid using on compromised networks

4. 💻 System Security

   • Run on dedicated, hardened systems when possible
   • Disable swap/hibernate to prevent memory dumps
   • Use full disk encryption

5. 🛡️ Operational Security

   • Treat this as classified system
   • Monitor for surveillance/forensics tools
   • Have emergency wipe procedures ready

🔧 Configuration

Environment Variables

export FLASK_SECRET_KEY="your-256-bit-secret"
export TOR_SOCKS_PORT="9050"
export MAX_MESSAGE_SIZE="5000"
export DEFAULT_TTL_MINUTES="5"

Security Levels

# Maximum Security (Default)
SECURITY_LEVEL = "MAXIMUM"
LOGGING_ENABLED = False
FORENSICS_RESISTANCE = True
AI_MONITORING = True

# High Security
SECURITY_LEVEL = "HIGH"
LOGGING_ENABLED = False
FORENSICS_RESISTANCE = True
AI_MONITORING = True

# Development (NOT for production)
SECURITY_LEVEL = "DEV"
LOGGING_ENABLED = True
FORENSICS_RESISTANCE = False
AI_MONITORING = False

🧪 Testing

Security Testing

# Run security tests
python -m pytest tests/security/

# Test encryption
python tests/test_crypto.py

# Test memory wiping
python tests/test_memory.py

# Test AI detection
python tests/test_ai_ids.py

Penetration Testing

• Test with OWASP ZAP
• Network analysis with Wireshark
• Memory analysis with Volatility
• Static analysis with Bandit

📊 Performance

Benchmarks

• Message Encryption: <50ms for 5KB message
• Key Generation: <100ms for full keypair
• Memory Wipe: <10ms for 1MB block
• Tor Circuit: 3-15 seconds for new circuit
• AI Analysis: <20ms per request

Resource Usage

• RAM: 50-100MB baseline + message storage
• CPU: Low usage, spikes during crypto operations
• Network: Minimal overhead with Tor
• Storage: Zero persistent storage (memory only)

🔍 Troubleshooting

Common Issues

1. Tor Connection Failed

# Check Tor service
sudo systemctl status tor

# Manual Tor start
tor --SocksPort 9050 --ControlPort 9051

2. Message Not Decrypting

• Verify recipient has correct keys
• Check session establishment
• Ensure message hasn't expired

3. AI False Positives

• Check system resource usage
• Verify no security tools running
• Adjust threat sensitivity

4. Memory Issues

• Monitor system RAM usage
• Check for memory leaks
• Increase swap (temporary only)

🚨 Emergency Procedures

Emergency Memory Wipe

# Via web interface
POST /emergency_wipe

# Manual trigger
python -c "from app import app_instance; app_instance.memory_manager.emergency_wipe()"

Forensics Detection Response

1. Immediate memory wipe initiated
2. All sessions terminated
3. Tor circuits rotated
4. System lockdown activated

Compromise Response

1. Execute emergency wipe
2. Rotate all keys
3. Change Tor identity
4. Investigate breach vector

📋 Legal & Compliance

Legal Notice

This software implements military-grade cryptography and security measures. Usage may be restricted in certain jurisdictions. Users are responsible for compliance with local laws and regulations.

Export Controls

This software may be subject to export control regulations. Review applicable laws before international distribution.

Disclaimer

This software is provided for educational and research purposes. The authors are not responsible for misuse or legal violations.

🤝 Contributing

Security Contributions

• All security issues should be reported privately
• Include proof-of-concept for vulnerabilities
• Coordinate disclosure timeline

Development Guidelines

• All code must pass security review
• Cryptographic changes require expert review
• Performance impact must be documented

📜 License

Classified Security Software License

This software contains military-grade security implementations. Use is restricted to authorized personnel only. See LICENSE file for full terms.

📞 Support

Security Issues

• Report via encrypted email only
• Include system configuration
• Provide reproduction steps

General Support

• Check documentation first
• Review troubleshooting section
• Contact maintainers via secure channels

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⚠️ REMEMBER: This is military-grade security software. Treat all operations as classified and maintain strict operational security at all times.

🔐 "Security through obscurity is no security at all. Security through mathematics is absolute."