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Title: Optical asymmetric cryptography using a three-dimensional space-based model
Authors: Chen, W. 
Chen, X. 
Keywords: Asymmetric cryptography
optical image encryption
space-based model
Issue Date: Jul-2011
Source: Chen, W.,Chen, X. (2011-07). Optical asymmetric cryptography using a three-dimensional space-based model. Journal of Optics 13 (7) : -. ScholarBank@NUS Repository.
Abstract: In this paper, we present optical asymmetric cryptography combined with a three-dimensional (3D) space-based model. An optical multiple-random-phase-mask encoding system is developed in the Fresnel domain, and one random phase-only mask and the plaintext are combined as a series of particles. Subsequently, the series of particles is translated along an axial direction, and is distributed in a 3D space. During image decryption, the robustness and security of the proposed method are further analyzed. Numerical simulation results are presented to show the feasibility and effectiveness of the proposed optical image encryption method. © 2011 IOP Publishing Ltd.
Source Title: Journal of Optics
ISSN: 20408978
DOI: 7/075404
Appears in Collections:Staff Publications

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