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The QISDD-SDK represents a revolutionary approach to data protection that goes beyond traditional encryption. By implementing quantum-inspired principles, we create data that actively defends itself, providing unprecedented security for fintech applications.

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QISDD-SDK: Quantum-Inspired Security Data Defense

License: MIT Node.js Version TypeScript Security

🚀 What is QISDD?

QISDD (Quantum-Inspired Security Data Defense) is a revolutionary data protection SDK that uses quantum-inspired principles to secure sensitive data. Unlike traditional encryption, QISDD creates quantum "superposition" states that automatically defend against unauthorized access by:

  • 🔒 Multi-State Protection: Creates multiple encrypted versions of your data
  • 🛡️ Observer Effect Defense: Automatically transforms or destroys data when hackers try to access it
  • ⚡ Real-time Threat Blocking: Stops SQL injection, ransomware, phishing, and zero-day attacks
  • 🔐 Zero-Knowledge Proofs: Verify data properties without revealing the data itself
  • 🌐 Blockchain Audit: Immutable security event logging

📋 Table of Contents

  1. Quick Start
  2. Project Architecture
  3. How QISDD Works
  4. Installation & Setup
  5. Usage Examples
  6. Interactive Demo
  7. Dashboard & Monitoring
  8. API Reference
  9. Security Features
  10. Development Guide
  11. Testing
  12. Deployment
  13. Troubleshooting

🚀 Quick Start

1. Clone and Setup

# Clone the repository
git clone https://github.com/minowau/QISDD-SDK.git
cd QISDD-SDK/Qisdd-sdk

# Install dependencies
npm install
npx lerna bootstrap

# Build all packages
npm run build

2. Run Interactive Demo

# Navigate to core package
cd packages/core

# Run the interactive security demo
npx ts-node src/interactive-security-demo.ts

3. Start Dashboard & API

# Terminal 1: Start API server
cd apps/demo-api
npx ts-node src/server.ts

# Terminal 2: Start dashboard
cd apps/dashboard  
npm start

4. Open Dashboard

Navigate to: http://localhost:3001

  • Click "🔒 Protect My Data" to add sensitive data
  • Click "💀 Simulate Hacker Attack" to see threats being blocked
  • Monitor real-time security metrics

🏗️ Project Architecture

QISDD-SDK/
├── 📁 Documents_Projects/          # Documentation & specs
│   ├── README.md                   # This file
│   ├── technicalspecification.md  # Technical details
│   ├── mvprequirements.md         # MVP requirements
│   └── roadmap.md                 # Development roadmap
│
├── 📁 Qisdd-sdk/                  # Main SDK workspace
│   ├── 📁 packages/               # Core SDK packages
│   │   ├── 📁 core/              # Main QISDD logic
│   │   │   ├── src/
│   │   │   │   ├── quantum/       # Quantum-inspired components
│   │   │   │   ├── crypto/        # Encryption & ZK proofs
│   │   │   │   ├── security/      # Threat simulation & protection
│   │   │   │   └── complete-integration-example.ts
│   │   │   └── tests/             # Test suites
│   │   ├── 📁 blockchain/         # Smart contracts
│   │   ├── 📁 fintech/           # Financial integrations
│   │   └── 📁 cli/               # Command-line tools
│   │
│   ├── 📁 apps/                  # Applications
│   │   ├── 📁 dashboard/         # React monitoring dashboard
│   │   ├── 📁 demo-api/         # Demo API server
│   │   └── 📁 examples/         # Usage examples
│   │
│   └── 📁 docs/                 # Additional documentation

🔬 How QISDD Works

1. Quantum-Inspired Protection

// Traditional encryption (vulnerable)
const encrypted = encrypt(sensitiveData, key);
// ❌ If key is compromised, data is exposed

// QISDD quantum-inspired protection
const protected = await qisdd.protectData(sensitiveData, {
  superpositionStates: 3,        // Multiple encrypted versions
  observerEffect: true,          // Auto-transform on unauthorized access
  entanglement: ['user_id'],     // Link protection to user context
  degradationStrategy: 'poison'  // Return fake data to attackers
});
// ✅ Even if one state is compromised, data remains secure

2. Observer Effect Defense

When someone tries to access protected data:

graph TD
    A[Access Request] --> B{Valid Credentials?}
    B -->|Yes| C[Return Real Data]
    B -->|No| D[Quantum Observer Effect Triggered]
    D --> E{Threat Analysis}
    E -->|Low Risk| F[Return Degraded Data]
    E -->|Medium Risk| G[Return Poisoned Data]
    E -->|High Risk| H[Collapse Data & Alert]
Loading

3. Multi-Layer Security

  1. Context Analysis: IP, device, behavior patterns
  2. Trust Scoring: Real-time threat assessment
  3. Quantum States: Multiple encrypted versions
  4. Observer Effect: Automatic response to threats
  5. Blockchain Audit: Immutable security logs

💻 Installation & Setup

Prerequisites

# Required versions
node --version    # >= 16.0.0
npm --version     # >= 8.0.0
git --version     # >= 2.25.0

Full Installation

# 1. Clone repository
git clone https://github.com/minowau/QISDD-SDK.git
cd QISDD-SDK/Qisdd-sdk

# 2. Install dependencies (all packages)
npm install
npx lerna bootstrap

# 3. Build all packages
npm run build

# 4. Run tests to verify installation
npm test

# 5. Install CLI globally (optional)
cd packages/cli
npm install -g

Environment Configuration

# Create environment file
cp .env.example .env

# Edit configuration
nano .env
# .env file
NODE_ENV=development
PORT=3000
API_KEY=your-api-key-here
BLOCKCHAIN_NETWORK=polygon-mumbai
REDIS_URL=redis://localhost:6379
DATABASE_URL=postgresql://user:pass@localhost:5432/qisdd

📚 Usage Examples

1. Basic Data Protection

import { QISDDIntegratedClient } from '@qisdd/core';

// Initialize client
const qisdd = new QISDDIntegratedClient({
  enableCrypto: true,
  enableLogging: true,
  enableAuditing: true
});

// Protect sensitive data
const result = await qisdd.protectData({
  customerName: "John Doe",
  creditCard: "4532-1234-5678-9012",
  balance: 50000
});

console.log('Data protected:', result.id);
console.log('Quantum states created:', result.superpositions);

2. Secure Data Access

// Access with valid credentials
const data = await qisdd.observeData(result.id, {
  userId: 'user123',
  purpose: 'account_lookup',
  environment: 'production'
});

console.log('Retrieved data:', data.data);
console.log('Trust score:', data.metadata.trustScore);

3. Zero-Knowledge Verification

// Verify properties without revealing data
const verification = await qisdd.computeOnProtectedData(
  'balance_check',
  [result.id],
  { threshold: 10000 }
);

console.log('Balance >= $10,000:', verification.result); // true/false
// Actual balance never revealed!

4. Financial Integration Example

import { QISDDFintech } from '@qisdd/fintech';

const fintech = new QISDDFintech();

// Protect customer KYC data
const kycProtection = await fintech.protectKYCData({
  ssn: '123-45-6789',
  income: 75000,
  creditScore: 720
});

// Verify eligibility without exposing data
const eligible = await fintech.verifyLoanEligibility(
  kycProtection.id,
  { minIncome: 50000, minCreditScore: 650 }
);

🎮 Interactive Demo

Command-Line Demo

# Navigate to core package
cd packages/core

# Run interactive demo
npx ts-node src/interactive-security-demo.ts

Demo Features:

  • ✅ Protects 5 types of sensitive data (financial, medical, personal, business)
  • ✅ Simulates real hacker attacks (SQL injection, ransomware, phishing, DDoS, zero-day)
  • ✅ Shows QISDD blocking 90%+ of attacks in real-time
  • ✅ Demonstrates quantum states, encryption, and ZK proofs

Interactive Testing

import { QISDDInteractiveTester } from '@qisdd/core';

const tester = new QISDDInteractiveTester();

// Protect your own data
await tester.protectMyData(
  'My Credit Cards',
  'Card: 4532-1234-5678-9012, CVV: 123',
  'financial'
);

// Simulate attacks on your data
const attackResult = tester.simulateHackerAttack();
console.log(`Blocked ${attackResult.summary.blockedCount} attacks!`);

// Check protection status
tester.getProtectionStatus();

📊 Dashboard & Monitoring

Start Dashboard

# Terminal 1: API Server
cd apps/demo-api
npx ts-node src/server.ts
# Server running on http://localhost:3002

# Terminal 2: Dashboard
cd apps/dashboard
npm start  
# Dashboard available at http://localhost:3001

Dashboard Features

🔒 Protect My Data

  • Interactive modal to add sensitive data
  • Choose protection level: Basic, Enhanced, Quantum
  • Real-time threat blocking during protection
  • Live quantum state creation

💀 Simulate Hacker Attack

  • Coordinated attack simulation
  • Multiple threat types: SQL injection, ransomware, phishing, DDoS
  • Real-time defense visualization
  • Success rate metrics

📈 Live Metrics

  • Data Protected: Total items secured
  • Active Quantum States: Real-time quantum protection
  • Threats Mitigated: Attacks blocked
  • Compliance Score: Security effectiveness

🔍 Security Intelligence

  • Real-time threat detection
  • Attack pattern analysis
  • Response time monitoring
  • Blockchain audit trail

🔧 API Reference

Core Protection API

POST /api/protect-data

{
  "name": "Customer Data",
  "content": "Sensitive information here",
  "type": "financial"
}

Response:

{
  "success": true,
  "dataId": "QISDD_1234567890_abc123",
  "protectionLevel": "quantum",
  "quantumStatesCreated": 3,
  "threatsBlocked": 2,
  "protectionTime": 245
}

POST /api/simulate-attack

{}

Response:

{
  "success": true,
  "attacks": [
    {
      "name": "SQL Injection",
      "blocked": true,
      "responseTime": 89,
      "reason": "Quantum defense detected malicious pattern"
    }
  ],
  "summary": {
    "totalAttacks": 5,
    "blockedCount": 4,
    "successRate": 80
  }
}

SDK Methods

protectData(data, policy?)

const result = await qisdd.protectData(
  { sensitive: "data" },
  {
    enableCrypto: true,
    enableSuperposition: true,
    trustThreshold: 0.8
  }
);

observeData(id, credentials)

const data = await qisdd.observeData(
  'data-id',
  { 
    userId: 'user123',
    purpose: 'analytics' 
  }
);

computeOnProtectedData(operation, dataIds, params?)

const result = await qisdd.computeOnProtectedData(
  'aggregate_sum',
  ['id1', 'id2', 'id3'],
  { includeMetrics: true }
);

🛡️ Security Features

Threat Protection

Threat Type Detection Method Response
SQL Injection Pattern analysis Block + Log
Ransomware File behavior monitoring Quarantine + Alert
Phishing Context analysis Degrade data quality
DDoS Rate limiting Throttle + Block
Zero-day Anomaly detection Analyze + Respond
Insider Threats Behavior analysis Monitor + Restrict

Protection Levels

Basic Protection

  • Single encryption layer
  • Basic access logging
  • Simple context checking

Enhanced Protection

  • 2 quantum states
  • Advanced threat detection
  • Zero-knowledge proofs
  • Real-time monitoring

Quantum Protection

  • 3+ quantum states
  • Full observer effect
  • Entanglement protection
  • Blockchain auditing
  • APT defense

Compliance Support

  • GDPR: Right to erasure, data portability
  • HIPAA: Healthcare data protection
  • PCI DSS: Payment card security
  • SOX: Financial audit trails
  • ISO 27001: Information security management

👨‍💻 Development Guide

Project Structure

packages/core/src/
├── quantum/
│   ├── superposition.ts          # Multi-state data management
│   ├── observer-effect.ts        # Automatic threat response
│   ├── entanglement.ts          # Data relationship protection
│   └── measurement.ts           # Data access & observation
│
├── crypto/
│   ├── homomorphic.ts           # SEAL encryption
│   ├── zkp.ts                   # Zero-knowledge proofs
│   └── key-management.ts        # Cryptographic keys
│
├── security/
│   ├── threat-simulator.ts      # Attack simulation
│   ├── simple-demo.ts          # Interactive demo
│   └── collector.ts            # Metrics collection
│
└── complete-integration-example.ts  # Main SDK client

Adding New Features

1. Create New Protection Strategy

// packages/core/src/defense/custom-strategy.ts
export class CustomDefenseStrategy {
  async detectThreat(context: AccessContext): Promise<ThreatLevel> {
    // Implement threat detection logic
  }
  
  async respondToThreat(threat: ThreatLevel): Promise<DefenseAction> {
    // Implement response strategy
  }
}

2. Add to Integration Client

// packages/core/src/complete-integration-example.ts
import { CustomDefenseStrategy } from './defense/custom-strategy';

export class QISDDIntegratedClient {
  private customDefense: CustomDefenseStrategy;
  
  constructor(config: QISDDConfig) {
    this.customDefense = new CustomDefenseStrategy(config.customConfig);
  }
}

3. Write Tests

// packages/core/tests/custom-strategy.test.ts
describe('CustomDefenseStrategy', () => {
  it('should detect high-risk threats', async () => {
    const strategy = new CustomDefenseStrategy();
    const threat = await strategy.detectThreat(suspiciousContext);
    expect(threat.level).toBe('high');
  });
});

Contributing Guidelines

  1. Fork the repository
  2. Create feature branch: git checkout -b feature/amazing-feature
  3. Write tests for new functionality
  4. Ensure all tests pass: npm test
  5. Commit changes: git commit -m 'Add amazing feature'
  6. Push to branch: git push origin feature/amazing-feature
  7. Open Pull Request

🧪 Testing

Run All Tests

# Run complete test suite
npm test

# Run tests with coverage
npm run test:coverage

# Run specific package tests
cd packages/core
npm test

Test Categories

Unit Tests

# Test individual components
npm run test:unit

# Test specific file
npx jest quantum/superposition.test.ts

Integration Tests

# Test component interactions
npm run test:integration

# Test API endpoints
npm run test:api

Security Tests

# Test threat detection
npm run test:security

# Run attack simulations
npx ts-node tests/security/attack-simulation.ts

Performance Tests

# Load testing
npm run test:load

# Benchmark encryption performance
npm run test:crypto-performance

Manual Testing Scenarios

Scenario 1: Data Protection

# 1. Protect sensitive data
curl -X POST http://localhost:3002/api/protect-data \
  -H "Content-Type: application/json" \
  -d '{"name":"Test Data","content":"Sensitive info","type":"personal"}'

# 2. Verify protection worked
# Check dashboard at http://localhost:3001

# 3. Simulate attack
curl -X POST http://localhost:3002/api/simulate-attack

Scenario 2: Unauthorized Access

// 1. Create protected data
const protected = await qisdd.protectData(sensitiveData);

// 2. Try unauthorized access (should fail/return fake data)
const result = await qisdd.observeData(protected.id, invalidCredentials);

// 3. Verify security response
expect(result.success).toBe(false);
expect(result.data).not.toEqual(sensitiveData);

🚀 Deployment

Development Environment

# Start all services locally
npm run dev

# Services will be available at:
# - Dashboard: http://localhost:3001
# - API: http://localhost:3002  
# - WebSocket: ws://localhost:3002/api/events

Docker Deployment

# Build Docker images
docker-compose build

# Start services
docker-compose up -d

# View logs
docker-compose logs -f qisdd-api

Kubernetes Deployment

# Apply Kubernetes manifests
kubectl apply -f k8s/

# Check deployment status
kubectl get pods -n qisdd

# View service endpoints
kubectl get services -n qisdd

Production Checklist

  • Environment variables configured
  • SSL certificates installed
  • Database backups configured
  • Monitoring & alerting setup
  • Load balancer configured
  • Security scanning completed
  • Performance testing passed
  • Disaster recovery plan tested

🔧 Troubleshooting

Common Issues

Installation Problems

# Error: Node version incompatible
nvm install 18
nvm use 18

# Error: Lerna bootstrap fails
npm install -g lerna
rm -rf node_modules package-lock.json
npm install
npx lerna bootstrap

# Error: Build fails
npm run clean
npm run build

Runtime Issues

# Error: Port already in use
lsof -ti:3001 | xargs kill -9  # Kill process on port 3001
lsof -ti:3002 | xargs kill -9  # Kill process on port 3002

# Error: Permission denied
sudo chown -R $(whoami) .
chmod +x scripts/*.sh

# Error: Database connection
# Check if PostgreSQL is running
brew services start postgresql

Demo Not Working

# 1. Verify all dependencies installed
cd packages/core && npm install
cd ../../apps/dashboard && npm install
cd ../demo-api && npm install

# 2. Build packages
npm run build

# 3. Start services in order
# Terminal 1:
cd apps/demo-api && npx ts-node src/server.ts

# Terminal 2:  
cd apps/dashboard && npm start

# 4. Check browser console for errors

Dashboard Shows "Simulated Mode"

This means the dashboard can't connect to the API server.

# 1. Verify API server is running
curl http://localhost:3002/api/health

# 2. Check API server logs
cd apps/demo-api
npx ts-node src/server.ts

# 3. Verify correct port in dashboard
# File: apps/dashboard/src/components/WorkingQISDDDashboard.tsx
# Look for: http://localhost:3002/api/metrics/core

Debug Mode

# Enable debug logging
export DEBUG=qisdd:*
npm start

# View detailed logs
tail -f logs/qisdd.log

# Enable performance monitoring
export NODE_ENV=development
export QISDD_PERFORMANCE_TRACKING=true

Getting Help

  • 📚 Documentation: Check /docs folder for detailed guides
  • 💬 Issues: Open GitHub issue with reproduction steps
  • 📧 Support: Contact the development team
  • 🔍 Logs: Check application logs in /logs directory

📈 Performance Optimization

Recommended Hardware

minimum:
  cpu: 2 cores
  memory: 4GB RAM
  storage: 10GB SSD
  
recommended:
  cpu: 4+ cores
  memory: 8GB+ RAM  
  storage: 50GB+ SSD
  network: 1Gbps+

production:
  cpu: 8+ cores
  memory: 16GB+ RAM
  storage: 100GB+ NVMe SSD
  network: 10Gbps+

Performance Tuning

// config/performance.ts
export const performanceConfig = {
  quantum: {
    maxConcurrentStates: 10,
    stateRotationInterval: 300000, // 5 minutes
    cacheEnabled: true
  },
  crypto: {
    threadPoolSize: 4,
    batchSize: 100,
    hardwareAcceleration: true
  },
  api: {
    rateLimiting: 1000, // requests per minute
    connectionPoolSize: 20,
    timeout: 30000 // 30 seconds
  }
};

🤝 Community & Support

Contributing

We welcome contributions! Please see our Contributing Guide for details.

License

This project is licensed under the MIT License - see the LICENSE file for details.


🚀 What's Next?

Roadmap

  • Q3 2025: Production-ready v1.0 release
  • Q4 2025: Multi-cloud deployment support
  • Q1 2026: AI-powered threat prediction
  • Q2 2026: Mobile SDK (iOS/Android)

Get Started Today!

  1. Star this repository ⭐
  2. Clone and run the demo
  3. Explore the interactive dashboard
  4. Integrate QISDD into your applications
  5. Join our community

🔒 Protect your data with quantum-inspired security. Try QISDD today!


Last updated: July 20, 2025 Version: 1.0.0 Maintained by: QISDD Development Team

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The QISDD-SDK represents a revolutionary approach to data protection that goes beyond traditional encryption. By implementing quantum-inspired principles, we create data that actively defends itself, providing unprecedented security for fintech applications.

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