A Comprehensive View on Encryption Techniques of Visual Cryptography
نویسندگان
چکیده
Visual Cryptography plays an important role in area of information security. It is a technique of cryptography to secure the visual information by encrypting them into cipher text. At user’s end human visual system is used for decryption. For this there is no need of any computer aid. Performance of Visual Cryptography scheme depends on the several measures these are generated share is meaningful or meaningless, computational complexity, accuracy, security pixel expansion, number of secret images. This paper explores a study and performance analysis of the various schemes of visual cryptography on the basis of number of secret images, image format, type of shares generated and pixel expansion. KeywordsSecurity, Computational complexity, Pixel Expansion, Contrast, Accuracy, Visual Cryptography Scheme (VCS)
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