stegosaurus

Hide messages within image files. For enabling your inner James Bond.

preflight requirements

To install all project dependencies, use pip on the requirements.txt file:

pip3 install -r requirements.txt

Full parameters & options:

usage: stegosaurus.py [-h] [-e | -d] [-v] -s SOURCE IMAGE [-o OUTPUT FILE]
                              [-f INPUT FILE] [--input INPUT STRING]
        
        Hide messages within image files.
        
        optional arguments:
          -h, --help            show this help message and exit
          -e, --encode          Encode a string.
          -d, --decode          Decode an image.
          -v, --verbose         Enable verbose logging.
          -s SOURCE IMAGE, --source SOURCE IMAGE
                                Source image.
          -o OUTPUT FILE, --out OUTPUT FILE
                                Destination file.
          -f INPUT FILE, --file INPUT FILE
                                Filepath of data to hide.
          --input INPUT STRING  String to hide.

encoding

To encode a simple string on the command line, use the following:

./stegosaurus.py --encode -v --input "hello friends" -s heavy.png

To encode from a text file, do the following:

./stegosaurus.py --encode -v -f declaration_of_independence.txt -s heavy.png

decoding

To decode a message from an encoded file, do the following:

./stegosaurus.py --decode -s encoded.heavy.png