File: README.md

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README.md

File:	`README.md`
Role:	Documentation
Content type:	`text/markdown`
Description:	Documentation
Class:	PHP Crypt Image Encode message inside an image with steganography
Author:	By Rafal Janisz
Last change:
Date:	5 years ago
Size:	`1,197 bytes`

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imagecrypt

Steganography is the art of hiding information in plain image. This project is PHP implementation of this idea and you can hide / fetch plain text from image in bmp or png format.

Requirements

PHP >= 7.1
A GD extension
(optional) PHPUnit to run tests.

Install

Via Composer:

$ composer require ravjanisz/imagecrypt

Usage

// add instance
use Rav\ImageCrypt\ImageCrypt;

// pass directory and filename
$crypt = new ImageCrypt(__DIR__ . '/files', 'glass.png');
//prepare string to crypt in image
$string = 'ImageCrypt';
//crypt string and save to new file
$crypt->crypt($string, 'glassSaved.png');

//decrypt from file
$decrypt = new ImageCrypt(__DIR__ . '/files', 'glassSaved.png');
//get decrypted message or get exception
$string = $decrypt->decrypt();
echo $string;