https://github.com/amatofrancesco99/steganography

A java application in order to apply steganography to images, using threads.
https://github.com/amatofrancesco99/steganography

steganography thread

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A java application in order to apply steganography to images, using threads.

• Host: GitHub
• URL: https://github.com/amatofrancesco99/steganography
• Owner: Amatofrancesco99
• License: mit
• Created: 2021-07-14T12:59:04.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2021-07-17T13:54:55.000Z (almost 4 years ago)
• Last Synced: 2025-01-23T03:44:36.727Z (3 months ago)
• Topics: steganography, thread
• Language: Java
• Homepage:
• Size: 124 KB
• Stars: 1
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Steganography

An application in order to apply steganography to images, using threads.

[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/Amatofrancesco99/Steganography/blob/main/LICENSE) 

![Java](https://img.shields.io/badge/Backend-Java-red) 

![Swing](https://img.shields.io/badge/Frontend-Java_Swing-green)

## Meaning

Steganography is the practice of concealing a message within another message or a physical object.

In computing/electronic contexts, a computer file, message, image, or video is concealed within another file, message, image, or video.

The word steganography comes from Greek _steganographia_, which combines the words _steganós (στεγανός)_, meaning _"covered or concealed"_, and _graphia (γραφή)_ meaning _"writing"_.

With **least significant bit** steganography, the approach revolves around changing the least significant bit of each pixel's RGB values to match a corresponding bit in the message we want to encode. This way, the change is so small that the encoded image won't be noticably naked-eye different from the original.

## Usage

The application has a graphical user interface, which is developed with [_Java Swing_](https://www.javatpoint.com/java-swing).

If you choose: 

 - `ENCODE` you can apply steganography to an image (hide the message). You have to:

   - choose the image on which steganography will be applied;

   - insert the name of the steganographed image;

   - add the _hidden message_. 

   - all steganographed images will be saved by default in [steganographedImages](https://github.com/Amatofrancesco99/Steganography/tree/main/steganographedImages) folder

- `DECODE` you can read the message from a steganographed image.

## How to run this project

1. Download the [.jar file ](https://github.com/Amatofrancesco99/Steganography/blob/main/runnable/Steganography.jar)

2. You can also fork and then clone this project in your own device

3. Open the terminal/command prompt

4. Create a directory called _"steganographedImages"_, in the same folder where the downloaded _.jar_ file is located

5. Run the .jar file: 

    5.1.  If your own device is based on MACOs or Linux run this command, **moving in the same _.jar_ directory** 

         java -jar [.jar file path]

    5.2.  Instead, if you have a Windows device **run the _.jar_ as an administrator**