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CSF_ACW_1
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Fixed bit shift error

This commit is contained in:
devoalda 2023-05-19 17:03:39 +08:00
parent 21544969fb
commit 570f26e4f4
2 changed files with 7 additions and 5 deletions
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12
lsb.py
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@ -45,12 +45,13 @@ class img_steg:
print("[+] Decoding...")
image = cv2.imread(self.image_name) # read image
binary_data = ""
bit_to_hide = self.bit_to_hide - 1
for row in image:
for pixel in row:
r, g, b = self.to_bin(pixel)
binary_data += r[self.bit_to_hide]
binary_data += g[self.bit_to_hide]
binary_data += b[self.bit_to_hide]
binary_data += r[bit_to_hide]
binary_data += g[bit_to_hide]
binary_data += b[bit_to_hide]
# Split by 8 bits
all_bytes = [binary_data[i: i + 8] for i in range(0, len(binary_data), 8)]
# Convert from bits to characters
@ -77,7 +78,8 @@ class img_steg:
print("[*] Encoding Data...")
# Convert bit to hide position
bit_to_hide = 2 - self.bit_to_hide
# bit_to_hide = 2 - self.bit_to_hide
bit_to_hide = self.bit_to_hide - 1
data_index = 0
binary_secret_data = self.to_bin(secret_data) # Convert data to binary
data_len = len(binary_secret_data) # size of data to hide
@ -119,7 +121,7 @@ def main():
image_name = input("Enter name of image to decode: ")
bit_to_hide = int(input("Enter bit to hide (1-8): "))
decoded_data = img_steg(image_name, bit_to_hide).decode()
print("Decoded Data:", decoded_data)
print("Decoded Data:", decoded_data) # Still returns special chars and ==== at the end
if __name__ == "__main__":