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Stegosaurus

Travis (.org)

A steganographic binary generation tool

The goal of stegosaurus is to be able to hide data in various binary forms:

  • images,
  • sound files,
  • etc.

Should work with all image types, though only tested with bmp/jpg/png.

NOTE: When embedding with a non-bitmap cover, you should specify the output with a bitmap-type extension (i.e. png or bmp). Due to lossy compression with jpg files, your data will be unrecoverable since this tool only does LSB at the moment.

Requirements

Besides the rust toolchain, which is only necessary for building, you will need the following installed on your system:

  • openssl

Example usage

Here is an example of embedding plain text in a png file. Note that the message will be encrypted before being embedded.

$ echo "super secret message" | ./stegosaurus embed --cover ~/png-files-download-6.png --output innocuous.png
passphrase: 
confirm:

$ ./stegosaurus extract --cover innocuous.png --output message.txt

$ cat message.txt
super secret message

Roadmap

  • Support for sound files (.wav files only)
  • Add more steganographic methods (e.g. customizing how many LSBs).
  • Probably more to come

Development

Build using cargo build, and run tests with cargo test

License

Copyright (C) 2018 Martin Fracker, Jr.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.