A Chaotic Clifford Attacker Map-based Image Encryption in Double Random Phase Encoding
Sahil Kalra, Vikash Siwach, Poonam Redhu, . Vandna
Current Journal of Applied Science and Technology · pp. 41–53 · Published 31 Oct 2022
10.9734/cjast/2022/v41i383978Abstract
Encryption is the most useful technique used for the security of data during storage and transmission. A well-known encryption scheme called Double Random Phase encoding was introduced by Refregier and Javidi. But due to its linear nature, this scheme has been proven vulnerable against Known plaintext and chosen plaintext attacks. Here in this paper, we propose a chaotic map-based nonlinear encryption scheme that enhances the security of the DRPE encryption scheme for images. Clifford attacker is a non-linear chaotic map that has four parameters and two initial values. This map is highly sensitive to these values. Therefore, these parameters and initial values work as extra secret keys. MATLAB simulation shows that the proposed technique enhances the security level of the DRPE and at the same time has a better immunity to noise and occlusion attacks.
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