Visual Cryptography is a graphical form of information concealing. In a 2-out-of-2 Visual Cryptography Scheme a dealer will "split" a secret image into two shares, print the shares onto separate transparencies and hand them to the participants to the scheme. If the two participants come together, they'll be able to reveal the secret image without a computer, perfectly superimposing the transparencies they own. Analyzing a single share, no one will be able to obtain any information considering the secret image no matter the computing or the analyzing power. In an Extended Visual Cryptography Scheme, both the secret image and the shares are meaningful images like a landscape, a building or a beautiful girl, hiding the very intention to conceal a secret. PyEvcs is a command line Python application allowing you to experiment with Extended Visual Cryptography Schemes for "natural" continuous tone images.

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Categories

Cryptography

License

GNU General Public License version 2.0 (GPLv2)

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Additional Project Details

Operating Systems

Linux, Server Operating Systems, BSD, Windows

Intended Audience

Information Technology, Science/Research, Education, Developers, End Users/Desktop, Security

Programming Language

Python

Related Categories

Python Cryptography Software

Registered

2011-12-31