steganograph

Description:

steganograph

Steganograph #

Steganograph is a Dart library which supports hiding mesages in images using Least Significant Bit steganography.
Install 🚀 #
In the pubspec.yaml of your Flutter/Dart project, add the following dependency:
dependencies:
steganograph: ^2.0.0
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Import the package in your project 📥 #
import 'package:steganograph/steganograph.dart';
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Embed messages 🔏 #
// this returns an image file with the resulting image unaltered
// except now it has some secret embedded message
File? stegoImageFile = await Steganograph.cloak(
image: File('sample_image.jpg'),
message: 'Some secret message',
outputFilePath: 'result.png',
);
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Or
Uint8List? stegoImageBytes = await Steganograph.cloakBytes(
imageBytes: Uint8List(...), // cover image byte array
message: 'Some secret message',
outputFilePath: 'result.png',
);
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Extract embedded messages 📨 #
String? message = await Steganograph.uncloak(File('result.png'));

// Or

String? message = await Steganograph.uncloakBytes(stegoImageBytes);
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Supported image formats 🗂 #
Currently, you can embed messages in:

PNG
JPEG
WebP
BMP
GIF
ICO
PNM
PSD

Contributions 🫱🏾‍🫲🏼 #
Feel free to contribute to this project.
If you find a bug or want a feature, but don't know how to fix/implement it, please fill an issue.
If you fixed a bug or implemented a feature, please send a pull request.