Understanding Visual Cryptography 📸

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Visual cryptography

Visual cryptography is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that decryption becomes a mechanical operation that does not require a computer.One of the best-known techniques has been credited to Moni Naor and Adi Shamir, who developed it in 1994.

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https://www.youtube.com/watch?v=-vnkiu8xwVc