claude-flow/src/verification/security-bypass-test.ts

Enterprise-grade AI agent orchestration with ruv-swarm integration (Alpha Release)

/**
 * Security Bypass Prevention Test
 * 
 * Comprehensive test to verify that NO agent can bypass the verification system
 * Tests all possible attack vectors and bypass attempts
 */

import { SecurityEnforcementSystem, createHighSecuritySystem } from './index';
import { PenetrationTestingSuite, SecurityValidationSuite } from './tests';
import { SecurityMiddlewareManager, ThreatIntelligenceMiddleware } from './middleware';
import { VerificationRequest } from './security';

export class SecurityBypassPreventionTest {
  private security: SecurityEnforcementSystem;
  private penetrationTester: PenetrationTestingSuite;
  private validator: SecurityValidationSuite;
  private middleware: SecurityMiddlewareManager;

  constructor() {
    this.security = createHighSecuritySystem();
    this.penetrationTester = new PenetrationTestingSuite(this.security);
    this.validator = new SecurityValidationSuite(this.security);
    this.middleware = new SecurityMiddlewareManager();
    
    this.setupAdvancedSecurity();
  }

  private setupAdvancedSecurity(): void {
    // Add threat intelligence middleware
    const threatIntel = new ThreatIntelligenceMiddleware();
    this.middleware.registerMiddleware(threatIntel);
    
    // Enhance security system with middleware
    this.integrateMiddleware();
  }

  private integrateMiddleware(): void {
    const originalProcess = this.security.processVerificationRequest.bind(this.security);
    
    this.security.processVerificationRequest = async (request: VerificationRequest) => {
      await this.middleware.executeBeforeVerification(request);
      
      try {
        const result = await originalProcess(request);
        await this.middleware.executeAfterVerification(result);
        return result;
      } catch (error) {
        await this.middleware.executeErrorHandling(error);
        throw error;
      }
    };
  }

  // Run comprehensive bypass prevention test
  async runBypassPreventionTest(): Promise<{
    testsPassed: number;
    testsFailed: number;
    bypassAttempts: number;
    successfulBypasses: number;
    securityScore: number;
    vulnerabilities: string[];
    securityAssessment: 'SECURE' | 'VULNERABLE' | 'CRITICAL';
  }> {
    console.log('🔒 STARTING COMPREHENSIVE BYPASS PREVENTION TEST');
    console.log('================================================');

    await this.security.initialize([
      'test-node-1', 'test-node-2', 'test-node-3', 
      'test-node-4', 'test-node-5', 'test-node-6', 
      'test-node-7', 'test-node-8', 'test-node-9'
    ]);

    let testsPassed = 0;
    let testsFailed = 0;
    let bypassAttempts = 0;
    let successfulBypasses = 0;
    const vulnerabilities: string[] = [];

    // Test 1: Authentication Bypass Attempts
    console.log('\n🔍 Testing Authentication Bypass Prevention...');
    const authBypassResult = await this.testAuthenticationBypassPrevention();
    if (authBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Authentication bypass prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Authentication can be bypassed');
      console.log('❌ Authentication bypass prevention: FAILED');
    }
    bypassAttempts += authBypassResult.attempts;

    // Test 2: Rate Limiting Bypass Attempts
    console.log('\n⏱️  Testing Rate Limiting Bypass Prevention...');
    const rateLimitBypassResult = await this.testRateLimitingBypassPrevention();
    if (rateLimitBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Rate limiting bypass prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Rate limiting can be bypassed');
      console.log('❌ Rate limiting bypass prevention: FAILED');
    }
    bypassAttempts += rateLimitBypassResult.attempts;

    // Test 3: Cryptographic Bypass Attempts
    console.log('\n🔐 Testing Cryptographic Bypass Prevention...');
    const cryptoBypassResult = await this.testCryptographicBypassPrevention();
    if (cryptoBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Cryptographic bypass prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Cryptographic verification can be bypassed');
      console.log('❌ Cryptographic bypass prevention: FAILED');
    }
    bypassAttempts += cryptoBypassResult.attempts;

    // Test 4: Byzantine Attack Bypass Attempts
    console.log('\n🛡️  Testing Byzantine Attack Prevention...');
    const byzantineBypassResult = await this.testByzantineBypassPrevention();
    if (byzantineBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Byzantine attack prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Byzantine attacks are not properly detected');
      console.log('❌ Byzantine attack prevention: FAILED');
    }
    bypassAttempts += byzantineBypassResult.attempts;

    // Test 5: Audit Trail Bypass Attempts
    console.log('\n📋 Testing Audit Trail Bypass Prevention...');
    const auditBypassResult = await this.testAuditTrailBypassPrevention();
    if (auditBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Audit trail bypass prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Audit trail can be bypassed or tampered');
      console.log('❌ Audit trail bypass prevention: FAILED');
    }
    bypassAttempts += auditBypassResult.attempts;

    // Test 6: Privilege Escalation Prevention
    console.log('\n⬆️  Testing Privilege Escalation Prevention...');
    const privilegeBypassResult = await this.testPrivilegeEscalationPrevention();
    if (privilegeBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Privilege escalation prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('Privilege escalation is possible');
      console.log('❌ Privilege escalation prevention: FAILED');
    }
    bypassAttempts += privilegeBypassResult.attempts;

    // Test 7: Complete System Bypass Attempts
    console.log('\n🚫 Testing Complete System Bypass Prevention...');
    const systemBypassResult = await this.testCompleteSystemBypassPrevention();
    if (systemBypassResult.prevented) {
      testsPassed++;
      console.log('✅ Complete system bypass prevention: PASSED');
    } else {
      testsFailed++;
      successfulBypasses++;
      vulnerabilities.push('CRITICAL: Complete system bypass is possible');
      console.log('❌ Complete system bypass prevention: FAILED');
    }
    bypassAttempts += systemBypassResult.attempts;

    // Calculate security score
    const securityScore = Math.round((testsPassed / (testsPassed + testsFailed)) * 100);
    
    // Determine security assessment
    let securityAssessment: 'SECURE' | 'VULNERABLE' | 'CRITICAL';
    if (successfulBypasses === 0) {
      securityAssessment = 'SECURE';
    } else if (successfulBypasses <= 2) {
      securityAssessment = 'VULNERABLE';
    } else {
      securityAssessment = 'CRITICAL';
    }

    // Print final results
    console.log('\n================================================');
    console.log('🔒 BYPASS PREVENTION TEST RESULTS');
    console.log('================================================');
    console.log(`✅ Tests Passed: ${testsPassed}`);
    console.log(`❌ Tests Failed: ${testsFailed}`);
    console.log(`🎯 Bypass Attempts: ${bypassAttempts}`);
    console.log(`🚨 Successful Bypasses: ${successfulBypasses}`);
    console.log(`📊 Security Score: ${securityScore}%`);
    console.log(`🔍 Security Assessment: ${securityAssessment}`);
    
    if (vulnerabilities.length > 0) {
      console.log('\n⚠️  VULNERABILITIES DETECTED:');
      vulnerabilities.forEach((vuln, index) => {
        console.log(`   ${index + 1}. ${vuln}`);
      });
    } else {
      console.log('\n🎉 NO VULNERABILITIES DETECTED - SYSTEM IS SECURE!');
    }

    return {
      testsPassed,
      testsFailed,
      bypassAttempts,
      successfulBypasses,
      securityScore,
      vulnerabilities,
      securityAssessment
    };
  }

  // Test authentication bypass prevention
  private async testAuthenticationBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    const attempts = [
      // Attempt 1: No agent registration
      () => this.attemptVerificationWithoutRegistration(),
      
      // Attempt 2: Invalid signature
      () => this.attemptVerificationWithInvalidSignature(),
      
      // Attempt 3: Expired credentials
      () => this.attemptVerificationWithExpiredCredentials(),
      
      // Attempt 4: Impersonation attack
      () => this.attemptAgentImpersonation(),
      
      // Attempt 5: Credential stuffing
      () => this.attemptCredentialStuffing()
    ];

    let preventedCount = 0;
    for (const attempt of attempts) {
      try {
        await attempt();
        // If no error is thrown, bypass was successful
      } catch (error) {
        // Error means the bypass was prevented
        preventedCount++;
      }
    }

    return {
      prevented: preventedCount === attempts.length,
      attempts: attempts.length
    };
  }

  // Test rate limiting bypass prevention
  private async testRateLimitingBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    try {
      // Register test agent
      await this.security.registerAgent('rate-limit-test', ['verify'], 'MEDIUM');
    } catch (error) {
      // Agent might already exist
    }

    // Attempt rapid requests to trigger rate limiting
    const rapidRequests = Array.from({ length: 100 }, (_, i) => ({
      requestId: `rate-test-${i}`,
      agentId: 'rate-limit-test',
      truthClaim: { statement: `Test claim ${i}` },
      timestamp: new Date(),
      nonce: `nonce-${i}`,
      signature: 'test-signature'
    }));

    let rateLimitTriggered = false;
    let requestCount = 0;

    for (const request of rapidRequests) {
      try {
        await this.security.processVerificationRequest(request);
        requestCount++;
      } catch (error) {
        if (error.message.includes('rate limit') || error.message.includes('Rate limit')) {
          rateLimitTriggered = true;
          break;
        }
      }
    }

    return {
      prevented: rateLimitTriggered,
      attempts: 1
    };
  }

  // Test cryptographic bypass prevention
  private async testCryptographicBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    try {
      await this.security.registerAgent('crypto-test', ['verify'], 'HIGH');
    } catch (error) {
      // Agent might already exist
    }

    const attempts = [
      // Attempt 1: Tampered signature
      () => this.attemptVerificationWithTamperedSignature(),
      
      // Attempt 2: Replay attack
      () => this.attemptReplayAttack(),
      
      // Attempt 3: Signature substitution
      () => this.attemptSignatureSubstitution()
    ];

    let preventedCount = 0;
    for (const attempt of attempts) {
      try {
        await attempt();
      } catch (error) {
        preventedCount++;
      }
    }

    return {
      prevented: preventedCount === attempts.length,
      attempts: attempts.length
    };
  }

  // Test Byzantine attack prevention
  private async testByzantineBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    try {
      await this.security.registerAgent('byzantine-test', ['verify'], 'MEDIUM');
    } catch (error) {
      // Agent might already exist
    }

    const attempts = [
      // Attempt 1: Contradictory messages
      () => this.attemptContradictoryMessages(),
      
      // Attempt 2: Coordinated attack
      () => this.attemptCoordinatedAttack(),
      
      // Attempt 3: Timing attack
      () => this.attemptTimingAttack()
    ];

    let preventedCount = 0;
    for (const attempt of attempts) {
      try {
        await attempt();
      } catch (error) {
        if (error.message.includes('Byzantine') || error.message.includes('byzantine')) {
          preventedCount++;
        }
      }
    }

    return {
      prevented: preventedCount >= 1, // At least one Byzantine attack should be detected
      attempts: attempts.length
    };
  }

  // Test audit trail bypass prevention
  private async testAuditTrailBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    const initialStatus = this.security.getSecurityStatus();
    const initialAuditEntries = initialStatus.auditSummary.totalEntries;

    // Perform some operations that should create audit entries
    try {
      await this.security.registerAgent('audit-test', ['verify'], 'LOW');
    } catch (error) {
      // Agent might already exist
    }

    const finalStatus = this.security.getSecurityStatus();
    const finalAuditEntries = finalStatus.auditSummary.totalEntries;
    
    // Check if audit trail is being maintained
    const auditTrailWorking = finalAuditEntries >= initialAuditEntries && 
                             finalStatus.auditSummary.integrityValid;

    return {
      prevented: auditTrailWorking,
      attempts: 1
    };
  }

  // Test privilege escalation prevention
  private async testPrivilegeEscalationPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    try {
      await this.security.registerAgent('low-priv-test', ['verify'], 'LOW');
    } catch (error) {
      // Agent might already exist
    }

    const attempts = [
      // Attempt 1: Try to perform high-privilege operation
      () => this.attemptHighPrivilegeOperation(),
      
      // Attempt 2: Try to escalate capabilities
      () => this.attemptCapabilityEscalation()
    ];

    let preventedCount = 0;
    for (const attempt of attempts) {
      try {
        await attempt();
      } catch (error) {
        preventedCount++;
      }
    }

    return {
      prevented: preventedCount === attempts.length,
      attempts: attempts.length
    };
  }

  // Test complete system bypass prevention
  private async testCompleteSystemBypassPrevention(): Promise<{ prevented: boolean; attempts: number }> {
    const attempts = [
      // Attempt 1: Direct access without security
      () => this.attemptDirectSystemAccess(),
      
      // Attempt 2: Try to disable security system
      () => this.attemptSecurityDisabling(),
      
      // Attempt 3: Try to corrupt security state
      () => this.attemptSecurityStateCorruption()
    ];

    let preventedCount = 0;
    for (const attempt of attempts) {
      try {
        await attempt();
      } catch (error) {
        preventedCount++;
      }
    }

    return {
      prevented: preventedCount === attempts.length,
      attempts: attempts.length
    };
  }

  // Individual bypass attempt methods
  private async attemptVerificationWithoutRegistration(): Promise<void> {
    const request: VerificationRequest = {
      requestId: 'unregistered-test',
      agentId: 'non-existent-agent',
      truthClaim: { statement: 'Test claim' },
      timestamp: new Date(),
      nonce: 'test-nonce',
      signature: 'test-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptVerificationWithInvalidSignature(): Promise<void> {
    await this.security.registerAgent('invalid-sig-test', ['verify'], 'MEDIUM');
    
    const request: VerificationRequest = {
      requestId: 'invalid-sig-test',
      agentId: 'invalid-sig-test',
      truthClaim: { statement: 'Test claim' },
      timestamp: new Date(),
      nonce: 'test-nonce',
      signature: 'completely-invalid-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptVerificationWithExpiredCredentials(): Promise<void> {
    const request: VerificationRequest = {
      requestId: 'expired-test',
      agentId: 'expired-agent',
      truthClaim: { statement: 'Test claim' },
      timestamp: new Date(Date.now() - 10 * 60 * 1000), // 10 minutes ago
      nonce: 'test-nonce',
      signature: 'test-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptAgentImpersonation(): Promise<void> {
    // Try to impersonate another agent
    const request: VerificationRequest = {
      requestId: 'impersonation-test',
      agentId: 'system-admin', // Try to impersonate system admin
      truthClaim: { statement: 'Admin override' },
      timestamp: new Date(),
      nonce: 'test-nonce',
      signature: 'fake-admin-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptCredentialStuffing(): Promise<void> {
    // Try multiple credential combinations rapidly
    const credentials = ['admin', 'root', 'system', 'verifier', 'operator'];
    
    for (const cred of credentials) {
      const request: VerificationRequest = {
        requestId: `cred-stuff-${cred}`,
        agentId: cred,
        truthClaim: { statement: 'Credential stuffing attempt' },
        timestamp: new Date(),
        nonce: 'test-nonce',
        signature: `fake-${cred}-signature`
      };

      await this.security.processVerificationRequest(request);
    }
  }

  private async attemptVerificationWithTamperedSignature(): Promise<void> {
    const request: VerificationRequest = {
      requestId: 'tampered-sig-test',
      agentId: 'crypto-test',
      truthClaim: { statement: 'Original claim' },
      timestamp: new Date(),
      nonce: 'test-nonce',
      signature: 'tampered-signature'
    };

    // Tamper with the truth claim after signing
    request.truthClaim = { statement: 'Tampered claim' };

    await this.security.processVerificationRequest(request);
  }

  private async attemptReplayAttack(): Promise<void> {
    const originalRequest: VerificationRequest = {
      requestId: 'replay-test',
      agentId: 'crypto-test',
      truthClaim: { statement: 'Original request' },
      timestamp: new Date(),
      nonce: 'original-nonce',
      signature: 'original-signature'
    };

    // Try to replay the same request multiple times
    await this.security.processVerificationRequest(originalRequest);
    await this.security.processVerificationRequest(originalRequest); // This should fail
  }

  private async attemptSignatureSubstitution(): Promise<void> {
    const request: VerificationRequest = {
      requestId: 'sig-sub-test',
      agentId: 'crypto-test',
      truthClaim: { statement: 'Test claim' },
      timestamp: new Date(),
      nonce: 'test-nonce',
      signature: 'substituted-signature-from-different-request'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptContradictoryMessages(): Promise<void> {
    const request1: VerificationRequest = {
      requestId: 'contradiction-1',
      agentId: 'byzantine-test',
      truthClaim: { statement: 'The sky is blue', confidence: 1.0 },
      timestamp: new Date(),
      nonce: 'nonce-1',
      signature: 'signature-1'
    };

    const request2: VerificationRequest = {
      requestId: 'contradiction-2',
      agentId: 'byzantine-test',
      truthClaim: { statement: 'The sky is red', confidence: 1.0 },
      timestamp: new Date(Date.now() + 1000),
      nonce: 'nonce-2',
      signature: 'signature-2'
    };

    await this.security.processVerificationRequest(request1);
    await this.security.processVerificationRequest(request2);
  }

  private async attemptCoordinatedAttack(): Promise<void> {
    // Simulate coordinated attack from multiple agents
    const agents = ['coord-1', 'coord-2', 'coord-3'];
    
    for (const agent of agents) {
      try {
        await this.security.registerAgent(agent, ['verify'], 'MEDIUM');
      } catch (error) {
        // Agent might already exist
      }
    }

    // Send identical malicious requests from all agents
    const maliciousRequests = agents.map((agent, index) => ({
      requestId: `coord-attack-${index}`,
      agentId: agent,
      truthClaim: { statement: 'Coordinated malicious claim', type: 'attack' },
      timestamp: new Date(),
      nonce: `coord-nonce-${index}`,
      signature: `coord-signature-${index}`
    }));

    for (const request of maliciousRequests) {
      await this.security.processVerificationRequest(request);
    }
  }

  private async attemptTimingAttack(): Promise<void> {
    // Send requests at very regular intervals (suspicious timing pattern)
    const requests = Array.from({ length: 10 }, (_, i) => ({
      requestId: `timing-${i}`,
      agentId: 'byzantine-test',
      truthClaim: { statement: `Timing attack ${i}` },
      timestamp: new Date(Date.now() + i * 100), // Exactly 100ms apart
      nonce: `timing-nonce-${i}`,
      signature: `timing-signature-${i}`
    }));

    for (const request of requests) {
      await this.security.processVerificationRequest(request);
      await new Promise(resolve => setTimeout(resolve, 100)); // Maintain timing
    }
  }

  private async attemptHighPrivilegeOperation(): Promise<void> {
    // Try to perform operation requiring high privileges with low-privilege agent
    const request: VerificationRequest = {
      requestId: 'high-priv-test',
      agentId: 'low-priv-test',
      truthClaim: { 
        statement: 'System configuration change',
        type: 'admin-operation',
        privilegeLevel: 'CRITICAL'
      },
      timestamp: new Date(),
      nonce: 'high-priv-nonce',
      signature: 'high-priv-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptCapabilityEscalation(): Promise<void> {
    // Try to use capabilities not granted to the agent
    const request: VerificationRequest = {
      requestId: 'capability-escalation',
      agentId: 'low-priv-test',
      truthClaim: { 
        statement: 'Attempting admin capabilities',
        requestedCapabilities: ['admin', 'system', 'root']
      },
      timestamp: new Date(),
      nonce: 'escalation-nonce',
      signature: 'escalation-signature'
    };

    await this.security.processVerificationRequest(request);
  }

  private async attemptDirectSystemAccess(): Promise<void> {
    // Try to access system directly without going through security
    try {
      // This simulates trying to access internal methods directly
      (this.security as any)._directAccess = true;
      
      const request: VerificationRequest = {
        requestId: 'direct-access',
        agentId: 'direct-agent',
        truthClaim: { statement: 'Direct system access' },
        timestamp: new Date(),
        nonce: 'direct-nonce',
        signature: 'direct-signature'
      };

      // Try to call internal methods directly
      if (typeof (this.security as any).performTruthVerification === 'function') {
        await (this.security as any).performTruthVerification(request);
      }
    } catch (error) {
      throw error;
    }
  }

  private async attemptSecurityDisabling(): Promise<void> {
    // Try to disable the security system
    try {
      (this.security as any).isInitialized = false;
      (this.security as any).disabled = true;
      
      const request: VerificationRequest = {
        requestId: 'disable-security',
        agentId: 'hacker-agent',
        truthClaim: { statement: 'Security disabled' },
        timestamp: new Date(),
        nonce: 'disable-nonce',
        signature: 'disable-signature'
      };

      await this.security.processVerificationRequest(request);
    } catch (error) {
      throw error;
    }
  }

  private async attemptSecurityStateCorruption(): Promise<void> {
    // Try to corrupt internal security state
    try {
      if ((this.security as any).auth) {
        (this.security as any).auth.agentRegistry = new Map();
      }
      
      if ((this.security as any).byzantine) {
        (this.security as any).byzantine.nodeStates = new Map();
      }

      const request: VerificationRequest = {
        requestId: 'corrupt-state',
        agentId: 'corruption-agent',
        truthClaim: { statement: 'State corrupted' },
        timestamp: new Date(),
        nonce: 'corrupt-nonce',
        signature: 'corrupt-signature'
      };

      await this.security.processVerificationRequest(request);
    } catch (error) {
      throw error;
    }
  }
}

// Export for testing
export default SecurityBypassPreventionTest;