@clduab11/gemini-flow/tests/a2a/compliance/security-penetration.test.ts

Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.

/**
 * A2A Security Penetration Tests
 * Comprehensive security testing for A2A communication protocol endpoints
 */

import {
  A2AComplianceTestSuite,
  A2ATestDataBuilder,
  A2ATestUtils,
  MockAgent,
  MockA2AMessageBus,
  A2AMessage,
  A2AResponse,
  A2AErrorCode
} from './test-harness';
import { performance } from 'perf_hooks';

// Security test configuration
const SECURITY_CONFIG = {
  MAX_ATTACK_DURATION: 30000,    // 30 seconds max attack duration
  BRUTE_FORCE_ATTEMPTS: 100,     // 100 attempts for brute force
  PAYLOAD_SIZE_LIMIT: 10485760,  // 10MB payload limit
  RATE_LIMIT_THRESHOLD: 100,     // 100 req/sec rate limit
  ENCRYPTION_KEY_SIZE: 256,      // 256-bit encryption
  SESSION_TIMEOUT: 300000,       // 5 minutes session timeout
  MAX_CONCURRENT_SESSIONS: 1000  // 1000 concurrent sessions
};

// Attack types
enum AttackType {
  BRUTE_FORCE_AUTH = 'brute_force_auth',
  INJECTION_ATTACK = 'injection_attack',
  REPLAY_ATTACK = 'replay_attack',
  MAN_IN_MIDDLE = 'man_in_middle',
  DOS_ATTACK = 'dos_attack',
  PRIVILEGE_ESCALATION = 'privilege_escalation',
  DATA_EXFILTRATION = 'data_exfiltration',
  CRYPTOGRAPHIC_ATTACK = 'cryptographic_attack',
  SESSION_HIJACKING = 'session_hijacking',
  BUFFER_OVERFLOW = 'buffer_overflow'
}

// Vulnerability categories
enum VulnerabilityType {
  AUTHENTICATION = 'authentication',
  AUTHORIZATION = 'authorization',
  INPUT_VALIDATION = 'input_validation',
  SESSION_MANAGEMENT = 'session_management',
  CRYPTOGRAPHY = 'cryptography',
  ERROR_HANDLING = 'error_handling',
  LOGGING_MONITORING = 'logging_monitoring',
  CONFIGURATION = 'configuration'
}

describe('A2A Security Penetration Tests', () => {
  let testSuite: SecurityPenetrationTestSuite;

  beforeEach(async () => {
    testSuite = new SecurityPenetrationTestSuite();
    await testSuite.setup();
  });

  afterEach(async () => {
    await testSuite.teardown();
  });

  describe('Authentication Security Tests', () => {
    it('should prevent brute force authentication attacks', async () => {
      const bruteForceTest = await testSuite.runBruteForceAttack({
        targetAgent: testSuite.securityAgents[0].id,
        attempts: SECURITY_CONFIG.BRUTE_FORCE_ATTEMPTS,
        credentialList: [
          'admin:admin',
          'root:root',
          'agent:password',
          'test:test',
          'guest:guest'
        ],
        rateLimitBypass: false
      });

      expect(bruteForceTest.attackBlocked).toBe(true);
      expect(bruteForceTest.accountLocked).toBe(true);
      expect(bruteForceTest.alertsTriggered).toBeGreaterThan(0);
      expect(bruteForceTest.successfulAttempts).toBe(0);
      expect(bruteForceTest.detectionLatency).toBeLessThan(5000); // < 5 seconds
      
      console.log(`Brute Force Attack Results:
        Attempts: ${bruteForceTest.totalAttempts}
        Blocked: ${bruteForceTest.attackBlocked}
        Detection Time: ${bruteForceTest.detectionLatency}ms
        Alerts: ${bruteForceTest.alertsTriggered}`);
    });

    it('should validate agent certificate authentication', async () => {
      const certTest = await testSuite.runCertificateValidationTest({
        validCertificate: testSuite.generateValidCertificate(),
        invalidCertificates: [
          testSuite.generateExpiredCertificate(),
          testSuite.generateSelfSignedCertificate(),
          testSuite.generateRevokedCertificate(),
          testSuite.generateMalformedCertificate()
        ]
      });

      expect(certTest.validCertAccepted).toBe(true);
      expect(certTest.invalidCertsRejected).toBe(4);
      expect(certTest.certificateChainValidated).toBe(true);
      expect(certTest.revocationCheckPerformed).toBe(true);
      expect(certTest.cryptographicValidation).toBe(true);
    });

    it('should prevent credential stuffing attacks', async () => {
      const credentialStuffingTest = await testSuite.runCredentialStuffingAttack({
        credentialDatabase: await testSuite.loadBreachedCredentials(),
        targetAgents: testSuite.securityAgents.slice(0, 3),
        concurrentAttempts: 50,
        distributedAttack: true
      });

      expect(credentialStuffingTest.attackMitigated).toBe(true);
      expect(credentialStuffingTest.suspiciousPatternDetected).toBe(true);
      expect(credentialStuffingTest.geoLocationBlocking).toBe(true);
      expect(credentialStuffingTest.behaviorialAnalysisTriggered).toBe(true);
    });

    it('should handle authentication bypass attempts', async () => {
      const bypassTest = await testSuite.runAuthenticationBypassTest([
        { method: 'sql_injection', payload: "'; DROP TABLE agents; --" },
        { method: 'ldap_injection', payload: '*)(uid=*))(|(uid=*' },
        { method: 'null_byte_injection', payload: 'admin\x00' },
        { method: 'parameter_pollution', payload: 'user=admin&user=guest' },
        { method: 'header_manipulation', payload: { 'X-Forwarded-User': 'admin' } }
      ]);

      expect(bypassTest.allBypassAttemptsFailed).toBe(true);
      expect(bypassTest.inputSanitizationEffective).toBe(true);
      expect(bypassTest.parameterValidationStrict).toBe(true);
      expect(bypassTest.headerValidationSecure).toBe(true);
    });
  });

  describe('Authorization Security Tests', () => {
    it('should prevent privilege escalation attacks', async () => {
      const privilegeEscalationTest = await testSuite.runPrivilegeEscalationTest({
        lowPrivilegeAgent: testSuite.securityAgents[0].id,
        targetPrivileges: ['admin', 'system', 'root'],
        escalationMethods: [
          'role_manipulation',
          'permission_inheritance',
          'group_membership_tampering',
          'token_elevation',
          'capability_bypass'
        ]
      });

      expect(privilegeEscalationTest.escalationPrevented).toBe(true);
      expect(privilegeEscalationTest.accessControlsEnforced).toBe(true);
      expect(privilegeEscalationTest.privilegeValidationStrict).toBe(true);
      expect(privilegeEscalationTest.unauthorizedAccessBlocked).toBe(true);
    });

    it('should validate role-based access control (RBAC)', async () => {
      const rbacTest = await testSuite.runRBACValidationTest({
        roles: ['agent', 'coordinator', 'administrator', 'monitor'],
        resources: [
          'mcp__claude-flow__agent_spawn',
          'mcp__claude-flow__swarm_init',
          'mcp__claude-flow__memory_usage',
          'mcp__claude-flow__performance_report'
        ],
        crossRoleAttempts: true,
        roleHierarchyTest: true
      });

      expect(rbacTest.properAccessControl).toBe(true);
      expect(rbacTest.crossRoleAccessDenied).toBe(true);
      expect(rbacTest.roleHierarchyEnforced).toBe(true);
      expect(rbacTest.leastPrivilegeCompliance).toBe(true);
    });

    it('should prevent horizontal privilege escalation', async () => {
      const horizontalEscalationTest = await testSuite.runHorizontalPrivilegeEscalationTest({
        agentA: testSuite.securityAgents[0].id,
        agentB: testSuite.securityAgents[1].id,
        attemptedAccess: [
          'access_other_agent_data',
          'modify_other_agent_config',
          'execute_on_behalf_of_other',
          'read_other_agent_logs'
        ]
      });

      expect(horizontalEscalationTest.crossAgentAccessDenied).toBe(true);
      expect(horizontalEscalationTest.identityValidationStrict).toBe(true);
      expect(horizontalEscalationTest.resourceIsolationEffective).toBe(true);
    });

    it('should validate attribute-based access control (ABAC)', async () => {
      const abacTest = await testSuite.runABACValidationTest({
        attributes: {
          user: ['role', 'clearance_level', 'department'],
          resource: ['classification', 'owner', 'category'],
          environment: ['time', 'location', 'network_zone'],
          action: ['read', 'write', 'execute', 'delete']
        },
        policies: testSuite.generateABACPolicies(),
        contextualTests: true
      });

      expect(abacTest.attributeBasedControlEffective).toBe(true);
      expect(abacTest.contextualAccessEnforced).toBe(true);
      expect(abacTest.policyEvaluationAccurate).toBe(true);
      expect(abacTest.dynamicAttributeHandling).toBe(true);
    });
  });

  describe('Input Validation Security Tests', () => {
    it('should prevent injection attacks', async () => {
      const injectionTest = await testSuite.runInjectionAttackTest({
        payloads: {
          sql: ["'; DROP TABLE agents; --", "1' OR '1'='1", "UNION SELECT * FROM secrets"],
          nosql: ['{"$ne": null}', '{"$gt": ""}', '{"$regex": ".*"}'],
          command: ['$(rm -rf /)', '`cat /etc/passwd`', '; ls -la /'],
          ldap: ['*)(uid=*))(|(uid=*', '(&(uid=admin)(password=*)'],
          xpath: ["' or '1'='1", "//user[username/text()='' or '1'='1']"],
          template: ['{{7*7}}', '${7*7}', '#{7*7}'],
          deserialization: ['rO0ABXNyABNqYXZhLnV0aWwuSGFzaHRhYmxl']
        },
        targetParameters: ['agentId', 'parameters', 'toolName', 'metadata']
      });

      expect(injectionTest.allInjectionsPrevented).toBe(true);
      expect(injectionTest.inputSanitizationEffective).toBe(true);
      expect(injectionTest.parameterizedQueriesUsed).toBe(true);
      expect(injectionTest.outputEncodingProper).toBe(true);
    });

    it('should handle malformed message payloads', async () => {
      const malformedPayloadTest = await testSuite.runMalformedPayloadTest([
        { type: 'oversized', size: SECURITY_CONFIG.PAYLOAD_SIZE_LIMIT * 2 },
        { type: 'deeply_nested', depth: 1000 },
        { type: 'circular_reference', payload: testSuite.createCircularReference() },
        { type: 'invalid_json', payload: '{"invalid": json}' },
        { type: 'null_bytes', payload: 'data\x00injection' },
        { type: 'unicode_overflow', payload: testSuite.generateUnicodeOverflow() },
        { type: 'binary_data', payload: testSuite.generateBinaryPayload() }
      ]);

      expect(malformedPayloadTest.payloadValidationStrict).toBe(true);
      expect(malformedPayloadTest.sizeValidationEnforced).toBe(true);
      expect(malformedPayloadTest.structureValidationRobust).toBe(true);
      expect(malformedPayloadTest.errorHandlingSecure).toBe(true);
    });

    it('should validate protocol compliance strictly', async () => {
      const protocolComplianceTest = await testSuite.runProtocolComplianceAttackTest([
        { violation: 'missing_required_fields', message: { id: '123' } },
        { violation: 'invalid_message_type', message: { type: 'INVALID' } },
        { violation: 'malformed_correlation_id', message: { correlationId: '../../../etc/passwd' } },
        { violation: 'invalid_timestamp', message: { timestamp: -1 } },
        { violation: 'unauthorized_fields', message: { adminOverride: true } }
      ]);

      expect(protocolComplianceTest.strictValidationEnforced).toBe(true);
      expect(protocolComplianceTest.unauthorizedFieldsRejected).toBe(true);
      expect(protocolComplianceTest.malformedMessagesBlocked).toBe(true);
    });

    it('should prevent buffer overflow attacks', async () => {
      const bufferOverflowTest = await testSuite.runBufferOverflowTest({
        targetFields: ['agentId', 'toolName', 'parameters'],
        overflowPayloads: [
          'A'.repeat(65536),  // 64KB overflow
          'B'.repeat(1048576), // 1MB overflow
          testSuite.generatePatternOverflow(),
          testSuite.generateFormatStringOverflow()
        ],
        memoryCorruptionTests: true
      });

      expect(bufferOverflowTest.overflowsPrevented).toBe(true);
      expect(bufferOverflowTest.boundaryValidationStrict).toBe(true);
      expect(bufferOverflowTest.memoryProtectionActive).toBe(true);
      expect(bufferOverflowTest.safeStringHandling).toBe(true);
    });
  });

  describe('Session Management Security Tests', () => {
    it('should prevent session hijacking attacks', async () => {
      const sessionHijackingTest = await testSuite.runSessionHijackingTest({
        validSession: await testSuite.establishValidSession(),
        hijackingMethods: [
          'session_id_prediction',
          'session_fixation',
          'session_sidejacking',
          'cross_site_request_forgery',
          'man_in_the_middle'
        ]
      });

      expect(sessionHijackingTest.hijackingPrevented).toBe(true);
      expect(sessionHijackingTest.sessionIdSecure).toBe(true);
      expect(sessionHijackingTest.sessionValidationStrict).toBe(true);
      expect(sessionHijackingTest.csrfProtectionActive).toBe(true);
    });

    it('should handle session fixation attacks', async () => {
      const sessionFixationTest = await testSuite.runSessionFixationTest({
        attackerControlledSession: 'FIXED_SESSION_ID_123',
        victimAgent: testSuite.securityAgents[0].id,
        fixationMethods: [
          'url_parameter_injection',
          'meta_tag_injection',
          'hidden_form_field',
          'cookie_injection'
        ]
      });

      expect(sessionFixationTest.fixationPrevented).toBe(true);
      expect(sessionFixationTest.sessionRegenerationForced).toBe(true);
      expect(sessionFixationTest.sessionValidationEnhanced).toBe(true);
    });

    it('should enforce session timeout policies', async () => {
      const sessionTimeoutTest = await testSuite.runSessionTimeoutTest({
        idleTimeout: SECURITY_CONFIG.SESSION_TIMEOUT,
        absoluteTimeout: SECURITY_CONFIG.SESSION_TIMEOUT * 3,
        concurrentSessionLimit: SECURITY_CONFIG.MAX_CONCURRENT_SESSIONS,
        gracefulLogoutTest: true
      });

      expect(sessionTimeoutTest.idleTimeoutEnforced).toBe(true);
      expect(sessionTimeoutTest.absoluteTimeoutEnforced).toBe(true);
      expect(sessionTimeoutTest.concurrentSessionsLimited).toBe(true);
      expect(sessionTimeoutTest.gracefulCleanupPerformed).toBe(true);
    });

    it('should validate session token security', async () => {
      const tokenSecurityTest = await testSuite.runSessionTokenSecurityTest({
        tokenEntropy: SECURITY_CONFIG.ENCRYPTION_KEY_SIZE,
        tokenRotation: true,
        secureTransmission: true,
        tokenStorage: 'secure'
      });

      expect(tokenSecurityTest.entropyStrength).toBeGreaterThanOrEqual(256);
      expect(tokenSecurityTest.predictabilityLow).toBe(true);
      expect(tokenSecurityTest.tokenRotationActive).toBe(true);
      expect(tokenSecurityTest.secureStorageImplemented).toBe(true);
    });
  });

  describe('Cryptographic Security Tests', () => {
    it('should validate encryption implementation', async () => {
      const encryptionTest = await testSuite.runEncryptionValidationTest({
        algorithms: ['AES-256-GCM', 'ChaCha20-Poly1305'],
        keySize: SECURITY_CONFIG.ENCRYPTION_KEY_SIZE,
        ivRandomness: true,
        paddingOracle: false
      });

      expect(encryptionTest.strongEncryptionUsed).toBe(true);
      expect(encryptionTest.keyManagementSecure).toBe(true);
      expect(encryptionTest.ivSecurelyGenerated).toBe(true);
      expect(encryptionTest.paddingOracleVulnerable).toBe(false);
    });

    it('should prevent cryptographic attacks', async () => {
      const cryptoAttackTest = await testSuite.runCryptographicAttackTest([
        { attack: 'birthday_attack', target: 'hash_function' },
        { attack: 'rainbow_table', target: 'password_hash' },
        { attack: 'timing_attack', target: 'signature_verification' },
        { attack: 'side_channel', target: 'key_operations' },
        { attack: 'weak_randomness', target: 'nonce_generation' }
      ]);

      expect(cryptoAttackTest.birthdayAttackResistant).toBe(true);
      expect(cryptoAttackTest.rainbowTableResistant).toBe(true);
      expect(cryptoAttackTest.timingAttackResistant).toBe(true);
      expect(cryptoAttackTest.sideChannelResistant).toBe(true);
      expect(cryptoAttackTest.strongRandomnessUsed).toBe(true);
    });

    it('should validate key exchange security', async () => {
      const keyExchangeTest = await testSuite.runKeyExchangeSecurityTest({
        protocol: 'ECDH',
        curve: 'P-256',
        forwardSecrecy: true,
        authenticationRequired: true
      });

      expect(keyExchangeTest.protocolSecure).toBe(true);
      expect(keyExchangeTest.forwardSecrecyProvided).toBe(true);
      expect(keyExchangeTest.authenticationStrong).toBe(true);
      expect(keyExchangeTest.keyDerivationSecure).toBe(true);
    });

    it('should handle certificate validation attacks', async () => {
      const certValidationTest = await testSuite.runCertificateValidationAttackTest([
        { attack: 'certificate_pinning_bypass', method: 'proxy_injection' },
        { attack: 'weak_signature_algorithm', cert: testSuite.generateWeakSignatureCert() },
        { attack: 'certificate_chain_manipulation', cert: testSuite.generateChainManipulationCert() },
        { attack: 'hostname_verification_bypass', cert: testSuite.generateHostnameMismatchCert() }
      ]);

      expect(certValidationTest.pinningBypassPrevented).toBe(true);
      expect(certValidationTest.weakSignaturesRejected).toBe(true);
      expect(certValidationTest.chainManipulationDetected).toBe(true);
      expect(certValidationTest.hostnameVerificationStrict).toBe(true);
    });
  });

  describe('Denial of Service (DoS) Tests', () => {
    it('should handle volumetric DoS attacks', async () => {
      const volumetricDoSTest = await testSuite.runVolumetricDoSTest({
        requestRate: SECURITY_CONFIG.RATE_LIMIT_THRESHOLD * 10, // 10x normal rate
        duration: 30000, // 30 seconds
        sourceIPs: testSuite.generateAttackerIPs(100),
        payloadSize: 1024 * 1024 // 1MB payloads
      });

      expect(volumetricDoSTest.attackMitigated).toBe(true);
      expect(volumetricDoSTest.rateLimitingEffective).toBe(true);
      expect(volumetricDoSTest.serviceAvailability).toBeGreaterThan(0.95);
      expect(volumetricDoSTest.legitimateTrafficPreserved).toBe(true);
    });

    it('should handle application-layer DoS attacks', async () => {
      const appLayerDoSTest = await testSuite.runApplicationLayerDoSTest([
        { attack: 'slowloris', connectionTime: 60000 },
        { attack: 'slow_post', uploadRate: 1 }, // 1 byte per second
        { attack: 'hash_collision', payload: testSuite.generateHashCollisionPayload() },
        { attack: 'xml_bomb', payload: testSuite.generateXMLBombPayload() },
        { attack: 'billion_laughs', payload: testSuite.generateBillionLaughsPayload() }
      ]);

      expect(appLayerDoSTest.slowlorisBlocked).toBe(true);
      expect(appLayerDoSTest.slowPostBlocked).toBe(true);
      expect(appLayerDoSTest.hashCollisionPrevented).toBe(true);
      expect(appLayerDoSTest.xmlBombBlocked).toBe(true);
      expect(appLayerDoSTest.billionLaughsBlocked).toBe(true);
    });

    it('should handle resource exhaustion attacks', async () => {
      const resourceExhaustionTest = await testSuite.runResourceExhaustionAttackTest({
        memoryExhaustion: { targetMB: 1024, rampDuration: 10000 },
        cpuExhaustion: { targetPercent: 100, duration: 15000 },
        diskExhaustion: { targetMB: 100 },
        fileDescriptorExhaustion: { targetCount: 10000 },
        threadExhaustion: { targetCount: 1000 }
      });

      expect(resourceExhaustionTest.memoryProtectionActive).toBe(true);
      expect(resourceExhaustionTest.cpuThrottlingEffective).toBe(true);
      expect(resourceExhaustionTest.diskQuotaEnforced).toBe(true);
      expect(resourceExhaustionTest.fdLimitEnforced).toBe(true);
      expect(resourceExhaustionTest.threadPoolProtected).toBe(true);
    });

    it('should handle distributed DoS (DDoS) attacks', async () => {
      const ddosTest = await testSuite.runDDoSAttackTest({
        botnetSize: 1000,
        coordinatedAttack: true,
        attackVectors: ['volumetric', 'protocol', 'application'],
        geographicDistribution: true,
        adaptiveAttack: true
      });

      expect(ddosTest.ddosDetected).toBe(true);
      expect(ddosTest.trafficAnalysisEffective).toBe(true);
      expect(ddosTest.botnetIdentified).toBe(true);
      expect(ddosTest.adaptiveDefenseActive).toBe(true);
      expect(ddosTest.upstreamMitigationTriggered).toBe(true);
    });
  });

  describe('Data Protection and Privacy Tests', () => {
    it('should prevent data exfiltration attacks', async () => {
      const dataExfiltrationTest = await testSuite.runDataExfiltrationTest({
        sensitiveData: testSuite.generateSensitiveData(),
        exfiltrationMethods: [
          'bulk_data_request',
          'incremental_extraction',
          'steganographic_hiding',
          'dns_tunneling',
          'covert_channels'
        ],
        dataLossPreventionActive: true
      });

      expect(dataExfiltrationTest.exfiltrationPrevented).toBe(true);
      expect(dataExfiltrationTest.anomalyDetectionTriggered).toBe(true);
      expect(dataExfiltrationTest.dataClassificationEffective).toBe(true);
      expect(dataExfiltrationTest.accessPatternsMonitored).toBe(true);
    });

    it('should validate data encryption at rest and in transit', async () => {
      const dataEncryptionTest = await testSuite.runDataEncryptionValidationTest({
        transitEncryption: true,
        restEncryption: true,
        keyRotation: true,
        dataClassification: ['public', 'internal', 'confidential', 'restricted']
      });

      expect(dataEncryptionTest.transitEncryptionStrong).toBe(true);
      expect(dataEncryptionTest.restEncryptionCompliant).toBe(true);
      expect(dataEncryptionTest.keyManagementSecure).toBe(true);
      expect(dataEncryptionTest.classificationBasedProtection).toBe(true);
    });

    it('should handle privacy compliance requirements', async () => {
      const privacyComplianceTest = await testSuite.runPrivacyComplianceTest({
        regulations: ['GDPR', 'CCPA', 'HIPAA'],
        dataSubjectRights: ['access', 'rectification', 'erasure', 'portability'],
        consentManagement: true,
        dataMinimization: true
      });

      expect(privacyComplianceTest.gdprCompliant).toBe(true);
      expect(privacyComplianceTest.ccpaCompliant).toBe(true);
      expect(privacyComplianceTest.hipaaCompliant).toBe(true);
      expect(privacyComplianceTest.dataSubjectRightsSupported).toBe(true);
    });
  });

  describe('Security Monitoring and Logging Tests', () => {
    it('should validate security event logging', async () => {
      const loggingTest = await testSuite.runSecurityLoggingTest({
        eventTypes: [
          'authentication_failure',
          'authorization_denied',
          'suspicious_activity',
          'security_policy_violation',
          'data_access_anomaly'
        ],
        logIntegrity: true,
        logRetention: true,
        logCorrelation: true
      });

      expect(loggingTest.comprehensiveLogging).toBe(true);
      expect(loggingTest.logIntegrityProtected).toBe(true);
      expect(loggingTest.logTamperingDetected).toBe(false);
      expect(loggingTest.correlationEffective).toBe(true);
    });

    it('should validate intrusion detection capabilities', async () => {
      const intrusionDetectionTest = await testSuite.runIntrusionDetectionTest({
        attackSimulations: [
          AttackType.BRUTE_FORCE_AUTH,
          AttackType.INJECTION_ATTACK,
          AttackType.DOS_ATTACK,
          AttackType.PRIVILEGE_ESCALATION
        ],
        realTimeDetection: true,
        behavioralAnalysis: true,
        machineLearning: true
      });

      expect(intrusionDetectionTest.realTimeDetectionEffective).toBe(true);
      expect(intrusionDetectionTest.falsePositiveRate).toBeLessThan(0.05);
      expect(intrusionDetectionTest.detectionLatency).toBeLessThan(5000);
      expect(intrusionDetectionTest.behavioralAnomaliesDetected).toBe(true);
    });

    it('should validate incident response capabilities', async () => {
      const incidentResponseTest = await testSuite.runIncidentResponseTest({
        incidentTypes: ['security_breach', 'data_leak', 'system_compromise'],
        responseAutomation: true,
        escalationProcedures: true,
        forensicCapabilities: true
      });

      expect(incidentResponseTest.incidentDetected).toBe(true);
      expect(incidentResponseTest.responseTimeAcceptable).toBe(true);
      expect(incidentResponseTest.containmentEffective).toBe(true);
      expect(incidentResponseTest.evidencePreserved).toBe(true);
    });
  });

  describe('Vulnerability Assessment', () => {
    it('should conduct comprehensive vulnerability scan', async () => {
      const vulnerabilityAssessment = await testSuite.runVulnerabilityAssessment();

      expect(vulnerabilityAssessment.criticalVulnerabilities).toBe(0);
      expect(vulnerabilityAssessment.highRiskVulnerabilities).toBeLessThan(5);
      expect(vulnerabilityAssessment.overallSecurityScore).toBeGreaterThan(90);
      expect(vulnerabilityAssessment.complianceScore).toBeGreaterThan(95);
      
      console.log(`Vulnerability Assessment Results:
        Critical: ${vulnerabilityAssessment.criticalVulnerabilities}
        High Risk: ${vulnerabilityAssessment.highRiskVulnerabilities}
        Medium Risk: ${vulnerabilityAssessment.mediumRiskVulnerabilities}
        Low Risk: ${vulnerabilityAssessment.lowRiskVulnerabilities}
        Security Score: ${vulnerabilityAssessment.overallSecurityScore}/100`);
    });

    it('should validate security best practices compliance', async () => {
      const bestPracticesTest = await testSuite.runSecurityBestPracticesTest();

      expect(bestPracticesTest.owaspTop10Compliance).toBeGreaterThan(95);
      expect(bestPracticesTest.cisControlsCompliance).toBeGreaterThan(90);
      expect(bestPracticesTest.nistFrameworkCompliance).toBeGreaterThan(88);
      expect(bestPracticesTest.iso27001Compliance).toBeGreaterThan(85);
    });

    it('should measure security posture metrics', async () => {
      const securityPosture = await testSuite.measureSecurityPosture();

      expect(securityPosture.defenseInDepthScore).toBeGreaterThan(85);
      expect(securityPosture.zeroTrustMaturity).toBeGreaterThan(80);
      expect(securityPosture.threatDetectionCapability).toBeGreaterThan(90);
      expect(securityPosture.incidentResponseReadiness).toBeGreaterThan(88);
    });
  });
});

/**
 * Security Penetration Test Suite Implementation
 */
class SecurityPenetrationTestSuite extends A2AComplianceTestSuite {
  public securityAgents: MockAgent[] = [];
  private attackSimulator: AttackSimulator;
  private securityValidator: SecurityValidator;
  private vulnerabilityScanner: VulnerabilityScanner;

  protected async setup(): Promise<void> {
    await super.setup();
    await this.setupSecurityEnvironment();
  }

  private async setupSecurityEnvironment(): Promise<void> {
    // Create security-hardened agents
    for (let i = 0; i < 5; i++) {
      const agent = A2ATestDataBuilder.createAgent(
        `security-agent-${i}`,
        'security-test',
        ['security', 'authentication', 'authorization', 'encryption'],
        [
          'mcp__claude-flow__security_scan',
          'mcp__claude-flow__health_check',
          'mcp__claude-flow__agent_list'
        ]
      );
      
      this.securityAgents.push(agent);
      this.messageBus.registerAgent(agent);
    }

    this.attackSimulator = new AttackSimulator(this.securityAgents, this.messageBus);
    this.securityValidator = new SecurityValidator(this.securityAgents, this.messageBus);
    this.vulnerabilityScanner = new VulnerabilityScanner();
  }

  async runBruteForceAttack(config: BruteForceConfig): Promise<BruteForceResult> {
    const startTime = performance.now();
    let successfulAttempts = 0;
    let alertsTriggered = 0;
    let accountLocked = false;
    let attackBlocked = false;

    for (let i = 0; i < config.attempts; i++) {
      const credentials = config.credentialList[i % config.credentialList.length];
      const [username, password] = credentials.split(':');

      try {
        const authMessage = A2ATestDataBuilder.createMessage({
          toolName: 'mcp__claude-flow__agent_authenticate',
          parameters: { username, password },
          target: { type: 'single', agentId: config.targetAgent }
        });

        const response = await this.messageBus.send(authMessage);
        
        if (response.success) {
          successfulAttempts++;
        } else if (response.error?.code === A2AErrorCode.AUTHORIZATION_FAILED) {
          if (response.error.message.includes('account locked')) {
            accountLocked = true;
          }
          if (response.error.message.includes('rate limited')) {
            attackBlocked = true;
          }
        }

        // Check for security alerts
        if (i > 5 && !response.success) {
          alertsTriggered++;
        }

        // Small delay between attempts
        await new Promise(resolve => setTimeout(resolve, 100));

      } catch (error) {
        attackBlocked = true;
        break;
      }
    }

    const detectionLatency = alertsTriggered > 0 ? 5000 : 0; // Mock detection time

    return {
      totalAttempts: config.attempts,
      successfulAttempts,
      accountLocked,
      attackBlocked,
      alertsTriggered,
      detectionLatency
    };
  }

  async runVulnerabilityAssessment(): Promise<VulnerabilityAssessmentResult> {
    const vulnerabilities = await this.vulnerabilityScanner.scanAll();
    
    return {
      criticalVulnerabilities: vulnerabilities.filter(v => v.severity === 'critical').length,
      highRiskVulnerabilities: vulnerabilities.filter(v => v.severity === 'high').length,
      mediumRiskVulnerabilities: vulnerabilities.filter(v => v.severity === 'medium').length,
      lowRiskVulnerabilities: vulnerabilities.filter(v => v.severity === 'low').length,
      overallSecurityScore: Math.max(0, 100 - vulnerabilities.length * 2),
      complianceScore: this.calculateComplianceScore(vulnerabilities),
      remediationPlan: this.generateRemediationPlan(vulnerabilities)
    };
  }

  generateValidCertificate(): string {
    return 'VALID_CERT_MOCK';
  }

  generateExpiredCertificate(): string {
    return 'EXPIRED_CERT_MOCK';
  }

  generateSelfSignedCertificate(): string {
    return 'SELF_SIGNED_CERT_MOCK';
  }

  generateRevokedCertificate(): string {
    return 'REVOKED_CERT_MOCK';
  }

  generateMalformedCertificate(): string {
    return 'MALFORMED_CERT_MOCK';
  }

  private calculateComplianceScore(vulnerabilities: Vulnerability[]): number {
    const criticalDeduction = vulnerabilities.filter(v => v.severity === 'critical').length * 10;
    const highDeduction = vulnerabilities.filter(v => v.severity === 'high').length * 5;
    const mediumDeduction = vulnerabilities.filter(v => v.severity === 'medium').length * 2;
    
    return Math.max(0, 100 - criticalDeduction - highDeduction - mediumDeduction);
  }

  private generateRemediationPlan(vulnerabilities: Vulnerability[]): RemediationItem[] {
    return vulnerabilities.map(vuln => ({
      vulnerability: vuln.id,
      priority: vuln.severity,
      estimatedEffort: this.estimateRemediationEffort(vuln),
      recommendations: this.generateRecommendations(vuln)
    }));
  }

  private estimateRemediationEffort(vulnerability: Vulnerability): string {
    const effortMap = {
      'critical': 'high',
      'high': 'medium',
      'medium': 'low',
      'low': 'minimal'
    };
    return effortMap[vulnerability.severity] || 'unknown';
  }

  private generateRecommendations(vulnerability: Vulnerability): string[] {
    return [`Fix ${vulnerability.type}`, `Update security controls`, `Implement monitoring`];
  }

  async runTests(): Promise<void> {
    console.log('Running A2A Security Penetration Tests...');
  }
}

/**
 * Supporting Classes for Security Testing
 */
class AttackSimulator {
  constructor(
    private agents: MockAgent[],
    private messageBus: MockA2AMessageBus
  ) {}

  async simulateAttack(type: AttackType, config: any): Promise<AttackResult> {
    switch (type) {
      case AttackType.BRUTE_FORCE_AUTH:
        return this.simulateBruteForce(config);
      case AttackType.DOS_ATTACK:
        return this.simulateDoSAttack(config);
      default:
        throw new Error(`Unsupported attack type: ${type}`);
    }
  }

  private async simulateBruteForce(config: any): Promise<AttackResult> {
    return {
      attackType: AttackType.BRUTE_FORCE_AUTH,
      success: false,
      detected: true,
      mitigated: true,
      timeToDetection: 5000
    };
  }

  private async simulateDoSAttack(config: any): Promise<AttackResult> {
    return {
      attackType: AttackType.DOS_ATTACK,
      success: false,
      detected: true,
      mitigated: true,
      timeToDetection: 3000
    };
  }
}

class SecurityValidator {
  constructor(
    private agents: MockAgent[],
    private messageBus: MockA2AMessageBus
  ) {}

  async validateSecurityControls(): Promise<SecurityValidationResult> {
    return {
      authenticationStrong: true,
      authorizationStrict: true,
      inputValidationRobust: true,
      outputEncodingSecure: true,
      sessionManagementSecure: true,
      cryptographyStrong: true,
      errorHandlingSecure: true,
      loggingComprehensive: true
    };
  }
}

class VulnerabilityScanner {
  async scanAll(): Promise<Vulnerability[]> {
    // Mock vulnerability scan results
    return [
      {
        id: 'INFO-001',
        type: 'information_disclosure',
        severity: 'low' as const,
        description: 'Minor information disclosure in error messages'
      }
    ];
  }
}

// Supporting interfaces
interface BruteForceConfig {
  targetAgent: string;
  attempts: number;
  credentialList: string[];
  rateLimitBypass: boolean;
}

interface BruteForceResult {
  totalAttempts: number;
  successfulAttempts: number;
  accountLocked: boolean;
  attackBlocked: boolean;
  alertsTriggered: number;
  detectionLatency: number;
}

interface VulnerabilityAssessmentResult {
  criticalVulnerabilities: number;
  highRiskVulnerabilities: number;
  mediumRiskVulnerabilities: number;
  lowRiskVulnerabilities: number;
  overallSecurityScore: number;
  complianceScore: number;
  remediationPlan: RemediationItem[];
}

interface Vulnerability {
  id: string;
  type: string;
  severity: 'critical' | 'high' | 'medium' | 'low';
  description: string;
}

interface RemediationItem {
  vulnerability: string;
  priority: string;
  estimatedEffort: string;
  recommendations: string[];
}

interface AttackResult {
  attackType: AttackType;
  success: boolean;
  detected: boolean;
  mitigated: boolean;
  timeToDetection: number;
}

interface SecurityValidationResult {
  authenticationStrong: boolean;
  authorizationStrict: boolean;
  inputValidationRobust: boolean;
  outputEncodingSecure: boolean;
  sessionManagementSecure: boolean;
  cryptographyStrong: boolean;
  errorHandlingSecure: boolean;
  loggingComprehensive: boolean;
}