Why Lockdown?

Secure your sensitive notes with AES-256-GCM encryption. Perfect for journals, passwords, financial info, or any private content you want to protect.

Key Features:

• 🔐 Military-grade encryption - AES-256-GCM with PBKDF2
• 🎨 Beautiful UI - Elegant lock overlays and modern password prompts
• ⚡ Blazing fast - Instant lock/unlock operations
• 📁 Flexible - Lock individual files or entire folders
• 🔑 Root password - Optional master password for all files

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Installation

From Community Plugins (Recommended)

1. Open Settings → Community Plugins
2. Click Browse and search for "Lockdown"
3. Click Install, then Enable

Manual Installation

1. Download the latest release from GitHub Releases
2. Extract main.js, manifest.json, and styles.css to your vault's .obsidian/plugins/lockdown/ folder
3. Reload Obsidian (Cmd/Ctrl + R or restart the app)
4. Enable the plugin in Settings → Community Plugins → Enable "Lockdown"

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Quick Start

Lock a File

1. Open any note
2. Cmd/Ctrl + P → "Lock current file"
3. Enter password

Unlock a File

1. Click locked file
2. Click "Unlock" button
3. Enter password

Use Root Password (Optional)

Cmd/Ctrl + P → "Set root password"

All future locks will use this master password.

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Features

Security

• AES-256-GCM encryption
• PBKDF2-SHA512 key derivation (1M iterations)
• Zero plain-text password storage
• Session timeout for auto-locking

Functionality

• Lock individual files
• Lock entire folders
• Change file passwords
• Bulk unlock operations
• Automatic backups

User Interface

• Beautiful lock overlay
• Password strength indicator
• File explorer indicators
• Status bar integration
• Locked files manager

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Configuration

Settings → Lockdown

Setting	Description	Default
Lock Icon	Icon for locked files	🔒
Use Encryption	Enable AES-256 encryption	✅
Show Status Bar	Display lock status	✅
Show File Explorer Indicators	Lock icons in sidebar	✅
Session Timeout	Auto-lock after inactivity (min)	0 (off)
Enable Backup	Backup before encryption	✅

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Security

Encryption Details

• Algorithm: AES-256-GCM
• Key Derivation: PBKDF2-SHA512 (1,000,000 iterations)
• Salt: 128-bit random per file
• IV: 96-bit random per encryption

What's Encrypted?

✅ All file content and metadata
❌ File names and folder structure

⚠️ Important

If you forget your password, your data is unrecoverable. There are no backdoors or password recovery mechanisms.

Best Practices:

• Use strong, memorable passwords (12+ characters)
• Consider a password manager for root password
• Keep backups of important files

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Commands

Command	Description
Lock current file	Lock the active note
Unlock current file	Unlock the active note
Toggle lock	Lock/unlock current note
Set root password	Set master password
Change password	Change file's password
Lock folder	Lock entire folder
Unlock folder	Unlock entire folder
Show locked files manager	Manage all locked files
Unlock all files	Bulk unlock

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Building from Source

git clone https://github.com/Rynaro/lockdown.git
cd lockdown
npm install
npm run build

Development mode:

npm run dev

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Contributing

Contributions are welcome! Please read CONTRIBUTING.md for guidelines.

Quick Contribution Guide

1. Fork the repository
2. Create feature branch: git checkout -b feature/amazing-feature
3. Commit changes: git commit -m 'Add amazing feature'
4. Push: git push origin feature/amazing-feature
5. Open Pull Request

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Roadmap

• Biometric unlock
• Sync integration
• Custom keyboard shortcuts
• Multi-language support
• Inline encrypted blocks

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License

MIT License - see LICENSE for details.

TL;DR: Free to use, modify, and distribute.

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Acknowledgments

• Obsidian Team - For the amazing platform
• Contributors - Everyone who helps improve Lockdown
• You - For trusting Lockdown with your sensitive notes

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