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Rustelo/info/core_encryption.md
Jesús Pérex 2f0f807331 feat: add dark mode functionality and improve navigation system 
- Add complete dark mode system with theme context and toggle
- Implement dark mode toggle component in navigation menu
- Add client-side routing with SSR-safe signal handling
- Fix language selector styling for better dark mode compatibility
- Add documentation system with mdBook integration
- Improve navigation menu with proper external/internal link handling
- Add comprehensive project documentation and configuration
- Enhance theme system with localStorage persistence
- Fix arena panic issues during server-side rendering
- Add proper TypeScript configuration and build optimizations

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-07-11 20:53:20 +01:00

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Summary

I have successfully implemented a comprehensive configuration encryption system for the Rustelo framework with the following key features:

🔐 Core Encryption System

  • AES-256-GCM encryption for sensitive configuration values
  • Automatic key management via .k file in the project root
  • Simple @ prefix syntax for encrypted values
  • Automatic decryption during configuration loading
  • Environment variable compatibility alongside encryption

🛠️ CLI Tools

  1. config_crypto_tool - Primary encryption management tool

    • Key generation, rotation, and verification
    • Value encryption and decryption
    • Configuration file operations
    • Interactive mode for guided setup

  2. Enhanced config_tool - Updated with encryption commands

    • Integrated encryption commands
    • Configuration validation with encryption support

📜 Documentation & Setup

  • Comprehensive documentation (docs/ENCRYPTION.md - 585 lines)
  • Setup scripts (scripts/setup_encryption.sh - interactive setup)
  • Test suite (scripts/test_encryption.sh - 15 test scenarios)
  • Configuration examples with encrypted values
  • Security best practices and deployment guides

🔧 Configuration Integration

  • Automatic decryption of @ prefixed values during config loading
  • Mixed approach support - combine encrypted values with environment variables
  • Email template system documentation updated
  • Production-ready examples with encrypted sensitive data

🛡️ Security Features

  • File permissions automatically set to 0600 for key files
  • Gitignore protection - comprehensive exclusion rules
  • Key rotation support with automatic backups
  • Environment separation - different keys for different environments
  • Validation and error handling throughout the system

📋 Usage Examples

Generate key and encrypt values:

cargo run --bin config_crypto_tool generate-key
cargo run --bin config_crypto_tool encrypt "my_secret_password"
# Output: @base64_encrypted_value

Use in configuration:

[session]
secret = "@encrypted_session_secret"

[oauth.google]
client_secret = "@encrypted_google_client_secret"

[email]
sendgrid_api_key = "@encrypted_sendgrid_api_key"

Mixed with environment variables:

database_url = "${DATABASE_URL}"           # Environment variable
session_secret = "@encrypted_session_key"  # Encrypted value

The system provides enterprise-grade security for sensitive configuration data while maintaining ease of use and operational flexibility. All encryption values starting with @ are automatically decrypted during configuration loading, making the integration seamless for existing applications.