StepSteg
A simple Stenography tool used to encode data within the LSB of PNG pixel data, as well as extract hidden data from within PNG files.
Dependencies
This program requires the PIL Librarie to run.
You can install PIL using pip as shown below:
pip install PIL
Command-line
> python stepSteg.py -h
usage: stepSteg.py encrypt [-h] -i <image> (-d <message> | -D <file>) [-o output]
stepSteg.py extract [-h] -i <image> [-o output]
stepSteg.py ([-h] | [--help] | [--version])
Hide data within an image!
positional arguments:
{encrypt,extract}
Arguments:
-h, --help show this help message and exit
-v, --version show program's version number and exit
> python stepSteg.py encrypt -h
usage: stepSteg.py encrypt [-h] -i <image> (-d <message> | -D <file>) [-o output]
Arguments:
-h, --help show this help message and exit
-i <image> Carrier file (.png Image)
-d <message> Data to be hidden (String)
-D <file> data to be hidden (file)
-o [output] Output filename
> python stepSteg.py extract -h
usage: stepSteg.py extract [-h] -i <image> [-o output]
Arguments:
-h, --help show this help message and exit
-i <image> Carrier file (.png Image)
-o [output] Output filename
Hide message/file:
> python stepSteg.py encrypt -i demo.png -d "I am a hidden message" -o hasSecretMsg.png
[+] Hiding data in: demo.png
[+] Output: hasSecretMsg.png
> python stepSteg.py encrypt -i demo.png -D hiddenFile.zip -o hasSecretFile.png
[+] Hiding data in: demo.png
[+] Output: hasSecretFile.png
Extract message/file:
> python stepSteg.py extract -i hasSecretMsg.png
[+] Data Extracted:
I am a hidden message
> python stepSteg.py extract -i hasSecretFile.png -o output.zip
[+] Data Extracted:
[+] Written to file: output.zip
License
This software is MIT-Licensed.