Privacy Vault - Photo & Video

## Your Digital Privacy Guardian

Privacy Vault is a professional-grade private file management application designed specifically for iOS. It employs military-grade AES-GCM encryption technology to provide bank-level security protection for your sensitive files.

## Core Functions

### Military-Grade File Encryption

* AES-GCM Encryption Algorithm: Military-grade encryption standard using a 256-bit key.

* PBKDF2-SHA256 Key Derivation: 100,000 iterations to ensure password security.

* Random Salt Generation: Generates a 32-byte random salt for each encryption, preventing rainbow table attacks.

* Individual File Passwords: Each file can have an independent password for double protection.

### Multiple Unlocking Methods

* Face ID / Touch ID: Biometric unlocking.

* Numeric Password: Supports strong password strategy verification.

* Smart Authentication: Automatically selects the best unlocking method based on device capabilities.

### Comprehensive File Management

* Multi-Format Support: Supports all formats including images, videos, documents, and audio.

* Folder Management: Create, rename, move, and delete folders.

* Batch Operations: Batch encryption, decryption, move, and rename.

* Smart Search: Multi-condition search and tag system.

### Convenient Import Function

* File Import: Supports importing all file types.

* **Photo Import:** Batch import of multiple photos and videos.

* **Photo Import:** Directly capture and save photos to the vault.

* **Keep Original Names:** Automatically preserves original filenames.

### Secure Preview System

* **Encrypted File Preview:** Preview encrypted content by entering a password.

* **Multi-Format Support:** Preview images, videos, PDFs, and audio.

* **Temporary Decryption:** Automatically cleans up temporary files after previewing.

* **QuickLook Integration:** System-level preview experience.

### NAS Network Storage Support

* **Multi-Protocol Support:** Supports three mainstream network storage protocols: SMB, FTP, and WebDAV.

* **Quick Connection:** One-click connection to home NAS, enterprise file servers, and cloud storage services.

* **Secure Transfer:** Supports encrypted connections (SMB encryption, FTP over SSL/TLS, HTTPS).

* **File Synchronization:** Supports downloading files from the NAS to the local vault or uploading encrypted files to the NAS.

* **Online Browsing:** Directly browse NAS files and preview them without downloading.

* **Password Management:** Automatically saves connection passwords to the Keychain for security and convenience.

* **Multi-Server Management:** Supports simultaneous connection to multiple NAS devices. Server Switching, Fast

### Personalization

* Theme System: Multiple preset themes and custom colors

* Interface Enhancement: Modern UI design, smooth animations

* Storage Monitoring: Real-time disk space usage

* Statistics: File count, encryption status statistics

## Security Features

* Local Storage: All data is stored locally, never uploaded to third-party servers

* Sandbox Protection: Strictly adheres to iOS sandbox security mechanisms

* Memory Protection: Sensitive data is immediately cleared after use

* Background Lock: App automatically locks for protection when entering the background

## Applicable Scenarios

* Personal Privacy: Protection of private photos, videos, and documents

* Business Documents: Encryption of contracts, agreements, and financial statements

* Learning Materials: Management of important notes, certificates, and documents

* Creative Works: Protection of design drafts, code, and creative documents

## Why Choose Us

* Professional-Grade Encryption: Uses bank-grade AES-GCM encryption algorithm

* Multiple Protections: Biometric identification, digital passwords

* User-Friendly: Modern interface, simple and intuitive operation

* Privacy First: Local storage, never uploaded to third-party servers

* Continuous updates: Regular updates and continuous optimization of the user experience.