stega-saurus

A CLI to perform steganography

Installation

pip install stega-saurus-py

Usage

Command help

View help and available commands for the stega CLI

python -m stega --help

View command help, in this case textimg and it's sub commands

python -m stega textimg --help

giving output

Usage: stega textimg [OPTIONS] COMMAND [ARGS]...

  Stega-saurus text image steganography

Options:
  --version
  --help     Show this message and exit.

Commands:
  decode  Decode a message from an image
  encode  Encode a message using an image output as a PNG

that lists the textimg command's sub commands encode and decode.

View a sub command's help e.g. the encode sub command of textimg

python -m stega textimg encode --help

producing the output with full sub command usage

Usage: stega textimg encode [OPTIONS] IN_IMAGE_PATH OUT_IMAGE_PATH MSG

  Encode a message using an image output as a PNG

Arguments:
  IN_IMAGE_PATH   Original image path to use in encoding  [required]
  OUT_IMAGE_PATH  Output image path to encode the message into (file
                  extension ignored, image will be a png)  [required]
  MSG             Message to encode in to the image  [required]

Options:
  --help  Show this message and exit.

Text image steganography

Encode a message in an image, outputting the result as a png

python -m stega textimg encode ~/Desktop/inimg.jpg ~/Desktop/outimg.png "Your secret message goes here"

This command will produce output that contains a key that will need to be used to decode the message from the png image

stega-saurus text image steganography encode
Encoding...
Done encoding
Decode key: cj

To decode the message from the image above run the textimg decode command and decode key

python -m stega textimg decode ~/Desktop/outimg.png cj

outputting the encoded message

stega-saurus text image steganography decode
Decoding...
Done decoding
Encoded message:
Your secret message goes here