Secure File Encryptor

A secure command-line tool for file encryption and decryption using AES-256-GCM with Argon2 key derivation.

Features

• 🔐 AES-256-GCM encryption
• 🗝️ Argon2 password hashing
• 🔄 HKDF key derivation
• ✅ File integrity verification
• 📝 Detailed error messages

Installation

cargo install secure-file-encryptor

Usage

Encrypt a file:

secure-file-encryptor --file secret.txt --password mysecretpassword --encrypt

Decrypt a file:

secure-file-encryptor --file secret.txt.encrypted --password mysecretpassword

Security Features

• Uses AES-256-GCM for authenticated encryption
• Argon2 for secure password hashing
• Unique salt for each encryption
• File integrity verification
• Secure random nonce generation

License

MIT License