kzykhys/steganography

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

Maintainers

Package info

github.com/kzykhys/Steganography

pkg:composer/kzykhys/steganography

Statistics

Installs: 9 663

Dependents: 0

Suggesters: 0

Stars: 89

Open Issues: 3

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Aikido package health analysis

dev-master 2014-01-24 17:50 UTC

Requires

MIT d60fdf365679a1ed5dcca6e3a4741df245c16bd6

  • Kazuyuki Hayashi <hayashi.woop@valnur.net>

steganography

This package is not auto-updated.

Last update: 2026-02-24 08:50:18 UTC

README

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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)