Stegnography

This is a Python CLI Tool for steganography that uses LSB (Least Significant Bit) technique to hide data in images and audio files.

Usage

1. Clone the repository

git clone https://github.com/myselfaryan/Stegnography.git

2. Use the CLI Tool

$ cd steg

# Conceal data in a file
$ python3 cli.py conceal <data_file> <input_file> <output_file>

# Conceal data in a file taken from stdin
$ python3 cli.py conceal <input_file> <output_file> -

# Extract data from a file
$ python3 cli.py reveal <input_file> <output_file>

# Extract data from a file and print it to stdout
$ python3 cli.py reveal <input_file> -

3. Example Usage

# Conceal data in an image file
$ python3 cli.py conceal test.txt ../tests/images/halle.png shakey_halle.png

# Conceal data in an image file taken from stdin
$ python3 cli.py conceal - ../tests/images/halle.png shakey_halle.png

# Extract data from an image file
$ python3 cli.py reveal shakey_halle.png output.txt

# Extract data from an image file and print it to stdout
$ python3 cli.py reveal shakey_halle.png -

# Conceal data in an audio file
$ python3 cli.py conceal test.txt ../tests/audio/bach_standard.wav shakey_bach.wav

# Conceal data in an audio file taken from stdin
$ python3 cli.py conceal - ../tests/audio/bach_standard.wav shakey_bach.wav

# Extract data from an audio file
$ python3 cli.py reveal shakey_bach.wav output.txt

# Extract data from an audio file and print it to stdout
$ python3 cli.py reveal shakey_bach.wav -

4. Some Advanced Usage

# Conceal a secret message in an image file using GPG
$ echo "This is A Secret Message" | gzip | gpg -c --passphrase "password" | python3 cli.py conceal - ../tests/images/halle.png shakey_halle.png

# Extract a secret message from an image file using GPG
$ python3 cli.py reveal shakey_halle.png - | gpg -d --passphrase "password" | gzip -d