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Added command line for lsb-s.py.

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cedricbonhomme 2010-10-05 18:46:43 +02:00
parent c9417bddd0
commit ae93079b99
2 changed files with 26 additions and 16 deletions
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40
lsb-s.py
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@ -5,10 +5,12 @@ __author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.1 $" __version__ = "$Revision: 0.1 $"
__date__ = "$Date: 2010/10/01 $" __date__ = "$Date: 2010/10/01 $"
import tools import sys
from PIL import Image from PIL import Image
import tools
def hide(img, message): def hide(img, message):
""" """
Hide a message (string) in an image with the Hide a message (string) in an image with the
@ -104,19 +106,27 @@ def reveal_slow(img):
if __name__ == '__main__': if __name__ == '__main__':
# Point of entry in execution mode # Point of entry in execution mode.
original_image_file = "./pictures/free.png" from optparse import OptionParser
encoded_image_file = "./pictures/free_enc.png" parser = OptionParser()
secret_message = "Avec la technique LSB (Least Significant Bit) l'oeil humain (un normal ;-)) ne voit plus la difference" parser.add_option("-i", "--input", dest="input_image_file",
with open("./Portishead_-_Deep_Water.ogg_b64.txt", "r") as f: help="Image file")
secret_message = f.read() parser.add_option("-o", "--output", dest="output_image_file",
help="Image file")
parser.add_option("-s", "--secret", dest="secret",
help="Your secret (Message, Image, Music or any binary file.)")
parser.set_defaults(input_image_file = './pictures/Lenna.png',
output_image_file = './pictures/Lenna_enc.png',
secret = 'Hello World!')
img1 = Image.open(original_image_file) (options, args) = parser.parse_args()
img_encoded = hide(img1, secret_message)
if img_encoded:
# Save it if sys.argv[1] == "hide":
img_encoded.save(encoded_image_file) img = Image.open(options.input_image_file)
# Test it img_encoded = hide(img, options.secret)
img2 = Image.open(encoded_image_file) img_encoded.save(options.output_image_file)
print reveal(img2)
if sys.argv[1] == "reveal":
img = Image.open(options.input_image_file)
print reveal(img)

2
steganalysis-statistics.py
View file

@ -35,7 +35,7 @@ def steganalyse(img):
return dict_colours.keys()[:30], most_common return dict_colours.keys()[:30], most_common
if __name__ == '__main__': if __name__ == '__main__':
# Point of entry in execution mode # Point of entry in execution mode.
original_image_file = "./pictures/montenach.png" original_image_file = "./pictures/montenach.png"
encoded_image_file = "./pictures/montenach_enc.png" encoded_image_file = "./pictures/montenach_enc.png"
original_image_file_steganalysed = "./pictures/montenach_steganalysed.png" original_image_file_steganalysed = "./pictures/montenach_steganalysed.png"