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Multi-signatures enable a group of signers to jointly generate a short and efficiently verifiable signature on a common message. They are commonly used in proof-of-stake and permissioned blockchains, ...
Image Encryption by Pixel Property Separation
Pixel Property Separation Image Encryption Cryptanalytic Error Avalanche Effect
2009/6/11
Pixels in an image are essentially constituted of two properties, position and colour. Pixel Property Separation, a radically different
approach for Symmetric-key image encryption, separates these pr...
Visual Cryptography Schemes with Optimal Pixel Expansion
Visual cryptography Pixel expansion
2008/11/21
A visual cryptography scheme encodes a black & white secret image
into n shadow images called shares which are distributed to the n participants.
Such shares are such that only qualified subsets of ...