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redoing cli

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Cédric Bonhomme 2019-12-20 00:17:10 +01:00
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1
bin/__init__.py Normal file
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106
bin/lsb.py Executable file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Stegano - Stegano is a pure Python steganography module.
# Copyright (C) 2010-2019 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: 0.8 $"
__date__ = "$Date: 2016/08/04 $"
__revision__ = "$Date: 2019/06/01 $"
__license__ = "GPLv3"
import argparse
try:
from stegano import lsb
except:
print("Install Stegano: pipx install Stegano")
from stegano import tools
def main():
parser = argparse.ArgumentParser(prog='stegano-lsb')
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.")
parser_hide.add_argument("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to hide." +
" UTF-8 (default) or UTF-32LE.")
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.")
# Shift the message to hide
parser_hide.add_argument("-s", "--shift", dest="shift", default=0,
help="Shift for the message to hide")
# 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("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to reveal." +
" UTF-8 (default) or UTF-32LE.")
parser_reveal.add_argument("-o", dest="secret_binary",
help="Output for the binary secret (Text or any binary file).")
# Shift the message to reveal
parser_reveal.add_argument("-s", "--shift", dest="shift", default=0,
help="Shift for the reveal")
arguments = parser.parse_args()
if arguments.command == 'hide':
if arguments.secret_message != None:
secret = arguments.secret_message
elif arguments.secret_file != None:
secret = tools.binary2base64(arguments.secret_file)
img_encoded = lsb.hide(arguments.input_image_file, secret,
arguments.encoding, int(arguments.shift))
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':
secret = lsb.reveal(arguments.input_image_file, arguments.encoding,
int(arguments.shift))
if arguments.secret_binary != None:
data = tools.base642binary(secret)
with open(arguments.secret_binary, "wb") as f:
f.write(data)
else:
print(secret)

170
bin/lsbset.py Executable file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Stegano - Stegano is a pure Python steganography module.
# Copyright (C) 2010-2019 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: 0.7 $"
__date__ = "$Date: 2016/03/18 $"
__revision__ = "$Date: 2019/06/04 $"
__license__ = "GPLv3"
import inspect
import crayons
try:
from stegano import lsbset
from stegano.lsbset import generators
except:
print("Install stegano: pipx install Stegano")
from stegano import tools
import argparse
class ValidateGenerator(argparse.Action):
def __call__(self, parser, args, values, option_string=None):
valid_generators = [generator[0] for generator in inspect.getmembers(
generators, inspect.isfunction)]
# Verify that the generator is valid
generator = values[0]
if generator not in valid_generators:
raise ValueError("Unknown generator: %s" % generator)
# Set the generator_function arg of the parser
setattr(args, self.dest, values)
def main():
parser = argparse.ArgumentParser(prog='stegano-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.")
parser_hide.add_argument("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to hide." +
" UTF-8 (default) or UTF-32LE.")
# Generator
parser_hide.add_argument("-g", "--generator", dest="generator_function",
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_hide.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the 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("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to reveal." +
" UTF-8 (default) or UTF-32LE.")
parser_reveal.add_argument("-g", "--generator", dest="generator_function",
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_reveal.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the 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[0]
except AttributeError:
print('You must specify the name of a generator.')
parser.print_help()
exit(1)
try:
if (arguments.generator_function[0] == "LFSR"):
# Compute the size of the image for use by the LFSR generator if needed
tmp = tools.open_image(arguments.input_image_file)
size = tmp.width * tmp.height
tmp.close()
arguments.generator_function.append(size)
if (len(arguments.generator_function) > 1):
generator = getattr(generators, arguments.generator_function[0])(
*[int(e) for e in arguments.generator_function[1:]])
else:
generator = getattr(generators, arguments.generator_function[0])()
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,
int(arguments.shift))
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,
int(arguments.shift))
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':
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__))

168
bin/stegano-lsb-set
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@ -1,168 +0,0 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Stegano - Stegano is a pure Python steganography module.
# Copyright (C) 2010-2019 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: 0.7 $"
__date__ = "$Date: 2016/03/18 $"
__revision__ = "$Date: 2019/06/04 $"
__license__ = "GPLv3"
import inspect
import crayons
try:
from stegano import lsbset
from stegano.lsbset import generators
except:
print("Install stegano: pipx install Stegano")
from stegano import tools
import argparse
parser = argparse.ArgumentParser(prog='stegano-lsb-set')
subparsers = parser.add_subparsers(help='sub-command help', dest='command')
class ValidateGenerator(argparse.Action):
def __call__(self, parser, args, values, option_string=None):
valid_generators = [generator[0] for generator in inspect.getmembers(
generators, inspect.isfunction)]
# Verify that the generator is valid
generator = values[0]
if generator not in valid_generators:
raise ValueError("Unknown generator: %s" % generator)
# Set the generator_function arg of the parser
setattr(args, self.dest, values)
# 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.")
parser_hide.add_argument("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to hide." +
" UTF-8 (default) or UTF-32LE.")
# Generator
parser_hide.add_argument("-g", "--generator", dest="generator_function",
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_hide.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the 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("-e", "--encoding", dest="encoding",
choices=tools.ENCODINGS.keys(), default='UTF-8',
help="Specify the encoding of the message to reveal." +
" UTF-8 (default) or UTF-32LE.")
parser_reveal.add_argument("-g", "--generator", dest="generator_function",
action=ValidateGenerator,
nargs='*', required=True, help="Generator (with optional arguments)")
parser_reveal.add_argument("-s", "--shift", dest="shift",
default=0, help="Shift for the 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[0]
except AttributeError:
print('You must specify the name of a generator.')
parser.print_help()
exit(1)
try:
if (arguments.generator_function[0] == "LFSR"):
# Compute the size of the image for use by the LFSR generator if needed
tmp = tools.open_image(arguments.input_image_file)
size = tmp.width * tmp.height
tmp.close()
arguments.generator_function.append(size)
if (len(arguments.generator_function) > 1):
generator = getattr(generators, arguments.generator_function[0])(
*[int(e) for e in arguments.generator_function[1:]])
else:
generator = getattr(generators, arguments.generator_function[0])()
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,
int(arguments.shift))
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,
int(arguments.shift))
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':
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__))

3
pyproject.toml
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@ -30,7 +30,8 @@ include = [
]
[tool.poetry.scripts]
stegano-lsb = "bin:steganolsb"
stegano-lsb = "bin.lsb:main"
stegano-lsb-set = "bin.lsbset:main"
# stegano-lsb-set = "bin.stegano-lsb-set"
# stegano-red = "bin.stegano-red"
# stegano-steganalysis-parity = "bin.stegano-steganalysis-parity"