Description

Stepic is a Python module and command line tool for hiding arbitrary data within images by slightly modifying the colors (steganography).

Installation

On a Debian-based linux distribution, you can install stepic as follows:

$ sudo aptitude install python-stepic

Usage: stepic [options]

--version: show program's version number and exit
-h, --help: show this help message and exit
--debug: Show debug information
-d, --decode: given an image, write out the hidden data file
-e, --encode: given an image and data file, write out a new image file with the data hidden in it
-f FORMAT, --format=FORMAT: output image format (PNG recommended, defaults to input format)
-i FILE, --image-in==FILE: read in image FILE for decoding or encoding
-t FILE, --data-in==FILE: read in data FILE for encoding
-o FILE, --out==FILE write out to FILE, data when decoding, image when encoding