Visual Cryptography Scheme for Gray Scale Images based on Intensity Division

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Provided by: Inpressco
Topic: Security
Format: PDF
Broadly speaking a term cryptography used to secure and hide the original information of a message from the unauthorized users. First time used to encrypt a plaintext into cipher text where a key was associated at the time of encryption to change original content into some other form i.e. decrypted message. And same key was used to decrypt that message into original form. In the modern communication era, people begin to transmit huge digital and multimedia information through the public network. During the transmission, most important thing is to secure data, for which a different kind of cryptography used, known as Visual Cryptography Scheme (VCS).
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