steghide
Steganography tool for JPEG, BMP, WAV and AU file formats. More information: https://github.com/StefanoDeVuono/steghide.
- Embed data in a PNG image, prompting for a passphrase:
steghide embed --coverfile {{path/to/image.png}} --embedfile {{path/to/data.txt}}
- Extract data from a WAV audio file:
steghide extract --stegofile {{path/to/sound.wav}}
- Display file information, trying to detect an embedded file:
steghide info {{path/to/file.jpg}}
- Embed data in a JPEG image, using maximum compression:
steghide embed --coverfile {{path/to/image.jpg}} --embedfile {{path/to/data.txt}} --compress {{9}}
- Get the list of supported encryption algorithms and modes:
steghide encinfo
- Embed encrypted data in a JPEG image, e.g. with Blowfish in CBC mode:
steghide embed --coverfile {{path/to/image.jpg}} --embedfile {{path/to/data.txt}} --encryption {{blowfish|...}} {{cbc|...}}