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Journal Articles Optics Letters Year : 2010

"Dual encryption scheme of images using polarized light"

Ayman Alfalou
Christian Brosseau

Abstract

We propose and analyze a dual encryption/decryption scheme, motivated by recent interest in polarization encoding. Compared to standard optical encryption methods, which are based on phase and amplitude manipulation, this encryption procedure relying on Mueller-Stokes formalism provides large flexibility in the key encryption design. The effectiveness of our algorithm is discussed, thanks to a numerical simulation of the polarization encryption/decryption procedure of a 256 gray-level image. Of additional special interest is the immunity of this encryption algorithm to brute force attacks
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Dates and versions

hal-00666893 , version 1 (06-02-2012)

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Ayman Alfalou, Christian Brosseau. "Dual encryption scheme of images using polarized light". Optics Letters, 2010, 35 (13), pp.2185-2187. ⟨10.1364/OL.35.002185⟩. ⟨hal-00666893⟩
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