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Flavien 2022-11-12 16:50:10 +01:00
parent 82b59f73db
commit 076a5d447f
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docs/module.rst
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@ -28,26 +28,31 @@ Sets are used in order to select the pixels where the message will be hidden.
Python 3.10.0 (default, Oct 17 2021, 09:02:57) [GCC 11.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from stegano import lsbset
>>> from stegano.lsbset import generators
>>> from stegano import lsb
>>> from stegano.lsb import generators
# Hide a secret with the Sieve of Eratosthenes
>>> secret_message = "Hello World!"
>>> secret_image = lsbset.hide("./tests/sample-files/Lenna.png",
secret_message,
generators.eratosthenes())
>>> secret_image = lsb.hide("./tests/sample-files/Lenna.png", secret_message, generators.eratosthenes())
>>> secret_image.save("./image.png")
# Try to decode with another generator
>>> message = lsbset.reveal("./image.png", generators.fibonacci())
>>> message = lsb.reveal("./image.png", generators.fibonacci())
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/cedric/projects/Stegano/stegano/lsbset/lsbset.py", line 111, in reveal
for color in img_list[generated_number]:
IndexError: list index out of range
File "/Users/flavien/.local/share/virtualenvs/Stegano-sY_cwr69/bin/stegano-lsb", line 6, in <module>
sys.exit(main())
File "/Users/flavien/Perso/dev/Stegano/bin/lsb.py", line 190, in main
img_encoded = lsb.hide(
File "/Users/flavien/Perso/dev/Stegano/stegano/lsb/lsb.py", line 63, in hide
hider.encode_pixel((col, row))
File "/Users/flavien/Perso/dev/Stegano/stegano/tools.py", line 165, in encode_pixel
r, g, b, *a = self.encoded_image.getpixel(coordinate)
File "/Users/flavien/.local/share/virtualenvs/Stegano-sY_cwr69/lib/python3.10/site-packages/PIL/Image.py", line 1481, in getpixel
return self.im.getpixel(xy)
IndexError: image index out of range
# Decode with Eratosthenes
>>> message = lsbset.reveal("./image.png", generators.eratosthenes())
>>> message = lsb.reveal("./image.png", generators.eratosthenes())
>>> message
'Hello World!'