test_steg.py
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__author__ = 'chunk'
import numpy as np
import pylab as P
import pylab as plt
from .. import mjpeg
from ..msteg.steganography import LSB, F3, F4, F5
from ..common import *
package_dir = os.path.dirname(os.path.abspath(__file__))
timer = Timer()
sample = [[7, 12, 14, -12, 1, 0, -1, 0],
[6, 5, -10, 0, 6, 0, 0, 0],
[0, 6, -5, 4, 0, -1, 0, 0],
[0, -3, 0, 1, -1, 0, 0, 0],
[-3, 5, 0, 0, 0, 0, 0, 0],
[2, -1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0]]
sample_key = [46812L, 20559L, 31360L, 16681L, 27536L, 39553L, 5427L, 63029L, 56572L, 36476L, 25695L, 61908L, 63014L,
5908L, 59816L, 56765L]
txtsample = [116, 104, 105, 115, 32, 105, 115, 32, 116, 111, 32, 98, 101, 32, 101, 109, 98, 101, 100, 101, 100, 46, 10]
def test_F3():
f3test = F3.F3()
f3test.embed_raw_data(os.path.join(package_dir, "../res/50c488a2b163ca8a1f52da6022f03.jpg"), os.path.join(package_dir, "../res/toembed"),
os.path.join(package_dir, "../res/steged.jpg"))
f3test.extract_raw_data(os.path.join(package_dir, "../res/9aa4919175e2d379596fa9947f2e9.jpg"),
os.path.join(package_dir, "../res/extracted"))
def test_F5():
f5test = F5.F5(sample_key, 1)
f5test.embed_raw_data(os.path.join(package_dir, "../res/50c488a2b163ca8a1f52da6022f03.jpg"), os.path.join(package_dir, "../res/toembed2"),
os.path.join(package_dir, "../res/steged.jpg"))
f5test.extract_raw_data(os.path.join(package_dir, "../res/steged.jpg"),
os.path.join(package_dir, "../res/extracted"))
if __name__ == '__main__':
# f3test = F3.F3()
# f3test = F4.F4(sample_key)
f3test = F5.F5(sample_key, 1)
# f3test.embed_raw_data("res/test3.jpg", "res/embeded", "res/steged.jpg")
f3test.embed_raw_data("res/thulib2.jpg", "res/lena64gray.jpg", "res/steged.jpg")
# f3test2 = F4.F4(sample_key)
f3test.extract_raw_data("res/steged.jpg", "res/extracted.jpg")
print f3test.get_key()
# f5test = F5.F5(sample_key, 1)
pass