mirror of
https://github.com/cedricbonhomme/Stegano.git
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128 lines
3.9 KiB
Python
128 lines
3.9 KiB
Python
#!/usr/bin/env python
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# Stegano - Stegano is a pure Python steganography module.
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# Copyright (C) 2010-2025 Cédric Bonhomme - https://www.cedricbonhomme.org
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#
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# For more information : https://github.com/cedricbonhomme/Stegano
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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__author__ = "Cedric Bonhomme"
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__version__ = "$Revision: 0.7 $"
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__date__ = "$Date: 2016/03/18 $"
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__revision__ = "$Date: 2019/06/04 $"
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__license__ = "GPLv3"
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try:
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from stegano import wav
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except Exception:
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print("Install stegano: pipx install Stegano")
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import argparse
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from stegano import tools
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def main():
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parser = argparse.ArgumentParser(prog="stegano-lsb")
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subparsers = parser.add_subparsers(
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help="sub-command help", dest="command", required=True
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)
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# Subparser: Hide
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parser_hide = subparsers.add_parser("hide", help="hide help")
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# Original audio
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parser_hide.add_argument(
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"-i",
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"--input",
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dest="input_audio_file",
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required=True,
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help="Input audio file.",
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)
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parser_hide.add_argument(
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"-e",
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"--encoding",
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dest="encoding",
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choices=tools.ENCODINGS.keys(),
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default="UTF-8",
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help="Specify the encoding of the message to hide."
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" UTF-8 (default) or UTF-32LE.",
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)
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group_secret = parser_hide.add_mutually_exclusive_group(required=True)
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# Non binary secret message to hide
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group_secret.add_argument(
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"-m", dest="secret_message", help="Your secret message to hide (non binary)."
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)
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# Binary secret message to hide
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group_secret.add_argument(
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"-f", dest="secret_file", help="Your secret to hide (Text or any binary file)."
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)
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# Audio containing the secret
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parser_hide.add_argument(
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"-o",
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"--output",
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dest="output_audio_file",
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required=True,
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help="Output audio containing the secret.",
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)
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# Subparser: Reveal
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parser_reveal = subparsers.add_parser("reveal", help="reveal help")
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parser_reveal.add_argument(
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"-i",
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"--input",
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dest="input_audio_file",
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required=True,
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help="Input audio file.",
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)
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parser_reveal.add_argument(
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"-e",
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"--encoding",
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dest="encoding",
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choices=tools.ENCODINGS.keys(),
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default="UTF-8",
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help="Specify the encoding of the message to reveal."
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" UTF-8 (default) or UTF-32LE.",
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)
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arguments = parser.parse_args()
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if arguments.command == "hide":
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if arguments.secret_message is not None:
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secret = arguments.secret_message
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elif arguments.secret_file != "":
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secret = tools.binary2base64(arguments.secret_file)
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wav.hide(
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input_file=arguments.input_audio_file,
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message=secret,
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encoding=arguments.encoding,
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output_file=arguments.output_audio_file
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)
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elif arguments.command == "reveal":
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try:
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secret = wav.reveal(
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encoded_wav=arguments.input_audio_file,
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encoding=arguments.encoding
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)
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except IndexError:
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print("Impossible to detect message.")
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exit(0)
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if arguments.secret_binary is not None:
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data = tools.base642binary(secret)
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with open(arguments.secret_binary, "wb") as f:
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f.write(data)
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else:
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print(secret)
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