Locked Image Tool (lockedimg)

lockedimg is a simple command-line utility for encrypting and decrypting images with password protection. This tool supports various image formats and saves encrypted files with a .lockedimg extension, which can be decrypted with the correct password.

Features

• Encrypt and decrypt image files using AES-256 encryption.
• Supports common image file formats: .jpg, .jpeg, .png, .bmp, .gif, .ico, .bruh, .jfif, .svg, and .lockedimg.
• Optional deletion of encrypted files after decryption.

Requirements

• OpenSSL library is required for encryption and decryption functionality.
• A C compiler such as GCC.

Compilation (for devs)

Compile the project using make:

make

This will produce an executable named lockedimg.

Installation

Download the latest zip archive from the releases tab, extract it and run ./lockedimg

Usage

lockedimg <action> <image file path> <password> [--no-deletion]

Parameters

• <action>: Choose between encrypt or decrypt.
• <image file path>: Path to the image file.
• <password>: Password for encryption or decryption.
• --no-deletion: Optional. Prevents deletion of the encrypted file after decryption.

Examples

Encrypt an image

lockedimg encrypt image.jpg mypassword123

Decrypt an image without deletion

lockedimg decrypt image.jpg.lockedimg mypassword123 --no-deletion

Help

Run the following for help information:

lockedimg --help

Cleanup (for devs)

To remove the executable and object files:

make clean

License

Apache-2.0 License