Steganography

Simple PHP implementation of Steganography (Hiding a hidden message within an image)

Requirements

• PHP5.4+

Installation

Update your composer.json and run composer update

{
    "require": {
        "kzykhys/steganography": "dev-master"
    }
}

Usage

Put your message into an image

<?php

require __DIR__ . '/vendor/autoload.php';

$processor = new KzykHys\Steganography\Processor();
$image = $processor->encode('/path/to/image.jpg', 'Message to hide'); // jpg|png|gif

// Save image to file
$image->write('/path/to/image.png'); // png only

// Or outout image to stdout
$image->render();

Extract message from an image

<?php

require __DIR__ . '/vendor/autoload.php';

$processor = new KzykHys\Steganography\Processor();
$message = $processor->decode('/path/to/image.png');

echo $message; // "Message to hide"

License

The MIT License

Author

Kazuyuki Hayashi (@kzykhys)