mirror of
https://github.com/cedricbonhomme/Stegano.git
synced 2025-05-12 17:18:30 +02:00
128 lines
4.5 KiB
Python
Executable file
128 lines
4.5 KiB
Python
Executable file
#!/usr/bin/env python
|
|
#-*- coding: utf-8 -*-
|
|
|
|
# Stéganô - Stéganô is a basic Python Steganography module.
|
|
# Copyright (C) 2010-2017 Cédric Bonhomme - https://www.cedricbonhomme.org
|
|
#
|
|
# For more information : https://github.com/cedricbonhomme/Stegano
|
|
#
|
|
# 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 <http://www.gnu.org/licenses/>
|
|
|
|
__author__ = "Cedric Bonhomme"
|
|
__version__ = "$Revision: 0.6 $"
|
|
__date__ = "$Date: 2016/03/18 $"
|
|
__revision__ = "$Date: 2016/08/04 $"
|
|
__license__ = "GPLv3"
|
|
|
|
import crayons
|
|
|
|
try:
|
|
from stegano import lsbset
|
|
from stegano.lsbset import generators
|
|
except:
|
|
print("Install stegano: sudo pip install Stegano")
|
|
|
|
from stegano import tools
|
|
|
|
import argparse
|
|
parser = argparse.ArgumentParser(prog='lsb-set')
|
|
subparsers = parser.add_subparsers(help='sub-command help', dest='command')
|
|
|
|
# Subparser: Hide
|
|
parser_hide = subparsers.add_parser('hide', help='hide help')
|
|
# Original image
|
|
parser_hide.add_argument("-i", "--input", dest="input_image_file",
|
|
required=True, help="Input image file.")
|
|
|
|
# Generator
|
|
parser_hide.add_argument("-g", "--generator", dest="generator_function",
|
|
required=True, help="Generator")
|
|
|
|
group_secret = parser_hide.add_mutually_exclusive_group(required=True)
|
|
# Non binary secret message to hide
|
|
group_secret.add_argument("-m", dest="secret_message",
|
|
help="Your secret message to hide (non binary).")
|
|
# Binary secret message to hide
|
|
group_secret.add_argument("-f", dest="secret_file",
|
|
help="Your secret to hide (Text or any binary file).")
|
|
|
|
# Image containing the secret
|
|
parser_hide.add_argument("-o", "--output", dest="output_image_file",
|
|
required=True, help="Output image containing the secret.")
|
|
|
|
|
|
# Subparser: Reveal
|
|
parser_reveal = subparsers.add_parser('reveal', help='reveal help')
|
|
parser_reveal.add_argument("-i", "--input", dest="input_image_file",
|
|
required=True, help="Input image file.")
|
|
parser_reveal.add_argument("-g", "--generator", dest="generator_function",
|
|
required=True, help="Generator")
|
|
parser_reveal.add_argument("-o", dest="secret_binary",
|
|
help="Output for the binary secret (Text or any binary file).")
|
|
|
|
|
|
# Subparser: List generators
|
|
parser_list_generators = subparsers.add_parser('list-generators',
|
|
help='list-generators help')
|
|
|
|
arguments = parser.parse_args()
|
|
|
|
if arguments.command != 'list-generators':
|
|
try:
|
|
arguments.generator_function
|
|
except AttributeError:
|
|
print('You must specify the name of a generator.')
|
|
parser.print_help()
|
|
exit(1)
|
|
|
|
try:
|
|
generator = getattr(generators, arguments.generator_function)()
|
|
except AttributeError as e:
|
|
print("Unknown generator: {}".format(arguments.generator_function))
|
|
exit(1)
|
|
|
|
if arguments.command == 'hide':
|
|
if arguments.secret_message != None:
|
|
secret = arguments.secret_message
|
|
elif arguments.secret_file != "":
|
|
secret = tools.binary2base64(arguments.secret_file)
|
|
|
|
img_encoded = lsbset.hide(arguments.input_image_file, secret, generator)
|
|
try:
|
|
img_encoded.save(arguments.output_image_file)
|
|
except Exception as e:
|
|
# If hide() returns an error (Too long message).
|
|
print(e)
|
|
|
|
elif arguments.command == 'reveal':
|
|
try:
|
|
secret = lsbset.reveal(arguments.input_image_file, generator)
|
|
except IndexError:
|
|
print("Impossible to detect message.")
|
|
exit(0)
|
|
if arguments.secret_binary != None:
|
|
data = tools.base642binary(secret)
|
|
with open(arguments.secret_binary, "w") as f:
|
|
f.write(data)
|
|
else:
|
|
print(secret)
|
|
|
|
elif arguments.command == 'list-generators':
|
|
import inspect
|
|
all_generators = inspect.getmembers(generators, inspect.isfunction)
|
|
for generator in all_generators:
|
|
print('Generator id:')
|
|
print(' {}'.format(crayons.green(generator[0], bold=True)))
|
|
print('Desciption:')
|
|
print(' {}'.format(generator[1].__doc__))
|