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Securing Images Using Chaotic-based Image Encryption Cryptosystem

Abdalwhab A. Alkher; Hazem M. El-Bakry; Said M. Fathalla
Given the rapid evolution in imaging and communication techniques, images become very important data transmitted over public networks type. Therefore, a fast and secure encryption system for high-resolution images is a tremendous demand. In this paper, a novel encryption system is proposed to secure images on the basis of Arnold Catmap. In the First, Arnold cat map system is used to scramble the positions of image pixels. Then, chaotic map is used to generate pseudorandom image for substitution. The statistical analysis was performed on the proposed encryption algorithm demonstrating superior confusion and deployment of its properties, which strongly resist statistical attacks. Coefficients of correlation between adjacent pixels showed that correlation between pixels of the encrypted image has significantly decreased. It is noted that the number of pixels of the image encoded drops significantly which indicates that the proposed system can thwart correlation attacks.
Select Volume / Issues:
Year:
2016
Type of Publication:
Article
Keywords:
Cryptosystem; Arnold CATMAP; Pseudorandom Image
Journal:
IJECCE
Volume:
7
Number:
2
Pages:
113-115
Month:
March
ISSN:
2249-071X
Hits: 1059

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