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18 lines
469 B
Python
18 lines
469 B
Python
from PIL import Image
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img = Image.open('steg100.png')
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strbit1 = ''
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for y in range(0, img.size[1], 19):
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for x in range(0, img.size[0], 19):
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r = img.getpixel((x, y))
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strbit1 += str(r & 1)
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strbit2 = ''
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for y in range(171, 171 + 19):
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for x in range(171, 171 + 19):
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a = img.getpixel((x, y))
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strbit2 += str(a & 1)
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xored = ''.join(str(int(A) ^ int(B)) for A, B in zip(strbit1, strbit2))
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print ''.join(chr(int(xored[i:i + 8], 2)) for i in range(0, len(xored), 8))
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