gifshuffle: Gifshuffle (GIF colourmap steganography)
gifshuffle:
gifshuffle: The program gifshuffle is used  to conceal messages in GIF images by
gifshuffle: shuffling the colourmap, which  leaves  the image  visibly unchanged
gifshuffle: gifshuffle   works   with   all  GIF images,  including  those  with
gifshuffle: transparency and animation, and in addition provides compression and
gifshuffle: encryption of the concealed message.
gifshuffle:
gifshuffle:
gifshuffle:
gifshuffle: