Steganana

Steganana is a little project that had to be done individually during a semester at CSUMB. Its purpose is very simple: hide some content inside an image, without this content actually being visible to the user.

Steganana is actually a simple class, but a sample wrapper is given to simplify its use, as well as providing a console tool.

Dependencies

• python 2.7 or higher
• PIL (or Pillow)

Installation

Installation is a breath: all that's needed is a simple git clone

git clone https://github.com/Mandor53/Steganana

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Console usage

Help

python main.py --help

Encoding a given string

python main.py path/to/inputimage.png --encode "this is my sample text" --output path/to/output.png

If not provided, the output path will be output.png inside the active directory

Encoding the content of a file

python main.py path/to/inputimage.png --encode "path/to/inputcontent.txt" --output path/to/output.png

Decoding the content encoded in an image

python main.py path/to/encodedimage.png

Decode and pipe output

Sometimes, you might want to be able to only get the actual decoded content, and not all the verbose stuff Steganana outputs

python main.py path/to/encodedimage.png --silent > output.txt

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Class usage

Import the class

from src.Steganana import Steganana

Create a new instance of the class

stegananaInstance = Steganana("path/to/inputimage.png", True)

Encode a given string

stegananaInstance.encode("I want to encode this string", False, "path/to/output.png")

Encode a given file

stegananaInstance.encode("path/to/inputcontent.txt", True, "path/to/output.png")

Decode an image

print(stegananaInstance.decode())