套件：gifshuffle（2.0-1 以及其他的）

Steganography program to gif images

gifshuffle is a program that allows one to hide encrypted messages within images in GIF format. Its use in security can be considered in the forensics field. Cryptography students can also benefit from this program is considering its applicability in steganography.

Used to conceal messages in GIF images by shuffling the colourmap, which leaves the image visibly unchanged. gifshuffle works with all GIF images, including those with transparency and animation, and in addition provides compression and encryption of the concealed message.

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