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StegaMe: Encrypts or decrypts STDIN to STDOUT using steganography.

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Description

This program is a steganographical tool with encryption using a passphrase. It takes the STDIN and either encrypts it into a given image and outputs to STDOUT or decrypts out to STDOUT.

The tool scrambles the bits, encrypts them and stores them in the least significant bits of the colors in each pixel. The pixels that aren't affected gets random bits as noise to hide the fact that anything has been changed.

How to use

Prerequisites:

python3
python3-setuptools

Prerequisites (python3 modules):

os
sys
select
hashlib
random
argparse
getpass
curses
enum
io
PIL
Crypto
Crypto.Cipher

Install it (using python3-setuptools):

git clone https://github.com/z0noxz/stegame
cd stegame
./setup.py install

Encrypt a secret message and hide it inside photo.png:

stegame photo.png < secret.txt > encrypted.png

Decrypt and retrive the message from encrypted.png:

stegame -d < encrypted.png > decrypted.txt

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