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how to perform encryption in images using RSA?
i want to encrypt an image using RSA algorithm.Is it possible?.If so how is it.please anyone help me fast.

mehr als 12 Jahre vor | 0 Antworten | 0

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which version of matlab contains imread2 command?
i want to know which version will support imread2 and what is its difference from normal imread?

mehr als 12 Jahre vor | 1 Antwort | 0

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i have to take a block B1(2x3) in the alpha image corresponding to a block B2 in the binarized image.then select first 2 pixels in B1 in the raster scan order and replace their values with two new values.
this is to embed shares from shamir schemein the alpha channel added image

mehr als 12 Jahre vor | 0 Antworten | 0

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i want to implement shamir secret scheme.i have prime no. as p=17,d,and c1 of secret scheme algorithm.with this how i implement qi=F(xi)=(d+c1xi)mod p for i=1,...,6
shamir scheme is part of my project,from which shares of the binarized image should be produced and embed in the alpha channel

mehr als 12 Jahre vor | 1 Antwort | 0

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i want to divide a grayscale image into 2*3 block and in each individual block i have to perform xor of 3 pixel each and concatenate the two xored value.Can anyone help me please????????????/
i trie with blockproc .but its not correctly processing

mehr als 12 Jahre vor | 1 Antwort | 0

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