feat: comprehensive security fixes for critical vulnerabilities
BREAKING CHANGES: - Enhanced logging system with comprehensive data sanitization - Atomic key generation with race condition protection - Strengthened mutex system implementation - Complete IV reuse prevention system - Secured global API with multi-layer protection - Enhanced memory management with secure wiping - Improved error handling without information disclosure Security Fixes: • CRITICAL: Fix logging system data leakage - Add comprehensive pattern detection (hex, base64, base58, base32) - Implement entropy-based sensitive data detection - Add suspicious character distribution analysis - Emergency disable logging on security violations - Reduce production logging to errors only • CRITICAL: Resolve race conditions in key generation - Implement atomic state checks within mutex protection - Add proper waiting mechanism for concurrent operations - Validate key generation results before assignment - Add operation timeouts and error recovery • HIGH: Strengthen mutex system implementation - Replace silent failures with proper error propagation - Add comprehensive mutex system validation - Implement authorized emergency unlock mechanisms - Enhanced timeout handling with state consistency - Add mutex diagnostics and recovery systems • HIGH: Complete IV reuse prevention system - Implement comprehensive IV collision detection - Add entropy validation for generated IVs - Track IV usage across sessions with cleanup - Detect suspicious patterns and weak RNG - Emergency mode activation on security violations • HIGH: Secure global API exposure - Multi-layer protection with Proxy-based access control - Block internal property access attempts - Implement API replacement monitoring and restoration - Add method interception protection - Comprehensive global namespace monitoring • HIGH: Enhanced memory management - Implement secure memory wiping for all data types - Multiple overwrite passes (random, zeros, ones) - Secure cleanup of cryptographic materials - Force garbage collection where available - Track and validate memory cleanup operations • HIGH: Improve error handling security - Categorize errors by security sensitivity - Generate safe error messages without internal details - Track error frequency for security monitoring - Implement secure error message mapping Additional Security Enhancements: • Add DTLS ClientHello race condition protection • Implement enhanced SecureKeyStorage with encryption • Add comprehensive IV tracking and validation systems • Create emergency mode systems for security violations • Enhance cryptographic validation and state management • Add extensive security diagnostics and monitoring Performance & Reliability: • Optimize mutex usage to reduce contention • Improve error recovery mechanisms • Add comprehensive system validation • Enhanced debugging and diagnostic capabilities • Better resource cleanup and management
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