Securing Digital Images Using visual Cryptography
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2015, Vol 2, Issue 12
Abstract
Visual cryptography technique allows the visual information to be encrypted in such a way that their decryption can be performed by human visual system. Security has become an inseparable issue as Information Technology is ruling the world now. Cryptography in the study of mathematical techniques related aspects of information security such as confidentialities, data security, entity authentication, but it is not only the means of providing information security, rather one of the techniques. Visual cryptography can be applied for copy right for images, access control to user images ,visual authentication and identification any kind images of images like(normal or digital).Visual cryptography is a new technique which provides information security which user simple algorithm unlike the complex, computationally intensive algorithms used in other techniques like traditional cryptography. This technique allows visual information (pictures, text, etc)to be encrypted in such a way that their decryption can be performed by the human visual system, without any complex cryptographic algorithms. This technique encrypts a secret image into shares such that stacking sufficient number of shares reveals the secret image. Shares are visually presented in transparencies.
Authors and Affiliations
Kirti P. Sahare
Keywords
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