---

name: security-validation-checklist description: Guides security validation checklist: Signal protocol security, encryption standards, authentication patterns, data protection. Use when validating security, reviewing security implementations, or ensuring security compliance.

Security Validation Checklist

Security Components

Authentication Security

• Secure authentication implemented (OAuth 2.0)
• Token security validated
• Session management secure
• Password hashing validated (SHA-256)

Encryption Security

• Signal protocol encryption validated
• Key management secure
• Data encryption at rest
• Data encryption in transit

Access Control

• User authentication required
• Role-based access control
• Permission checks in place
• Data access restrictions enforced

Privacy Protection

• Personal data anonymized
• No PII in logs
• Secure data storage
• GDPR compliance verified

Validation Pattern

Copy/// Security Validator
/// 
/// Validates security implementations
class SecurityValidator {
  /// Validate authentication security
  Future<SecurityResult> validateAuthenticationSecurity() async {
    // Check password hashing
    final passwordHash = sha256.convert(utf8.encode('test'));
    final isPasswordHashingValid = passwordHash.bytes.length == 32;
    
    // Check session management
    final isSessionManagementValid = await _checkSessionManagement();
    
    // Check token security
    final isTokenSecurityValid = await _checkTokenSecurity();
    
    return SecurityResult(
      isCompliant: isPasswordHashingValid && 
                   isSessionManagementValid && 
                   isTokenSecurityValid,
      details: 'Authentication security validation',
    );
  }
  
  /// Validate encryption security
  Future<SecurityResult> validateEncryptionSecurity() async {
    // Check Signal protocol implementation
    // Check key management
    // Check encryption at rest
    // Check encryption in transit
  }
}

Security Checklist

Authentication

• OAuth 2.0 implementation
• Secure token storage
• Session expiration
• Password hashing (SHA-256)

Encryption

• Signal protocol validated
• Key rotation implemented
• Secure key storage
• End-to-end encryption

Access Control

• Authentication required
• Role-based permissions
• Data access restrictions
• Audit logging

Privacy

• Data anonymization
• No PII in logs
• Secure storage
• GDPR compliance

Reference

• lib/core/services/security_validator.dart - Security validation service
• test/security/ - Security test suite
• docs/security/ - Security documentation