fz0x1/Stegano
1
0
Fork 0
mirror of https://github.com/cedricbonhomme/Stegano.git synced 2025-06-28 03:06:14 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Management of unicode. It would be perfect to manage ASCII and unicode in the same time (so 8 bits to 32 bits caracters).

Browse source
This commit is contained in:
Cédric Bonhomme 2017-03-13 09:34:43 +01:00
parent e803386361
commit 6ad140bdfb
No known key found for this signature in database
GPG key ID: A1CB94DE57B7A70D
4 changed files with 12 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

4
stegano/lsb/lsb.py
View file

@ -106,9 +106,9 @@ def reveal(input_image_file):
if img.mode == 'RGBA':
pixel = pixel[:3] # ignore the alpha
for color in pixel:
buff += (color&1)<<(7-count)
buff += (color&1)<<(31-count)
count += 1
if count == 8:
if count == 32:
bitab.append(chr(buff))
buff, count = 0, 0
if bitab[-1] == ":" and limit == None:

4
stegano/lsbset/lsbset.py
View file

@ -104,9 +104,9 @@ def reveal(input_image_file, generator):
generated_number = next(generator)
# color = [r, g, b]
for color in img_list[generated_number]:
buff += (color&1)<<(7-count)
buff += (color&1)<<(31-count)
count += 1
if count == 8:
if count == 32:
bitab.append(chr(buff))
buff, count = 0, 0
if bitab[-1] == ":" and limit == None:

3
stegano/tools.py
View file

@ -57,7 +57,8 @@ def a2bits_list(chars: str) -> List[str]:
>>> "".join(a2bits_list("Hello World!"))
'010010000110010101101100011011000110111100100000010101110110111101110010011011000110010000100001'
"""
return [bin(ord(x))[2:].rjust(8,"0") for x in chars]
#return [bin(ord(x))[2:].rjust(8,"0") for x in chars]
return [bin(ord(x))[2:].rjust(32,"0") for x in chars]
def bs(s: int) -> str:
"""Converts an int to its bits representation as a string of 0's and 1's.