Securing Visual Cryptographic Shares using Public KEY
A(k,n)-thresholdvisualcryptographyschemeisproposedtoencodeasecretimageintonshadowimages,whereanykormoreofthemcanvisuallyrecoverthesecretimage,butanyk−1orfewerofthemgainnoinformationaboutit.Thedecodingprocessofavisualcryptographyscheme,whichdiffersfromtraditionalsecretsharing,doe
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