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A novel chaotic image encryption system for color images based Arnold cat map and efficient pixel shuffling
, M. Viswanatham
Published in International Journal of Pharmacy and Technology
2016
Volume: 8
   
Issue: 2
Pages: 13353 - 13361
Abstract
Image encryption is one of the most essential and crucial part in the process to prevent various security attacks. Chaotic methods are widely used in the latest encryption system for their variegated property. Encryption process is carried out by using Arnold cat map and chaotic shuffling process using magic matrix. The color component are decomposed individually with the help of Arnold cat map to perform the scrambling process this process is said to be permutation stage, then the shuffled elements are integrated by using pseudo-random keys. In this project we introduce a new Chaotic shuffling procedure using magic matrix to increase the randomness and complexity, which is efficient from existing methods and also makes encryption is much faster than others. Here encryption is done for color images and as well as medical images. The outcome of this encryption process will result in Image cipher. The decryption is done in the inverse method with the use of the key. Security tests and various performance analysis like Histogram analysis, NPCR and UACI analysis, key space analysis, PSNR analysis are carried out to prove that the proposed algorithm is efficient. © 2016, International Journal of Pharmacy and Technology. All rights reserved.
About the journal
JournalInternational Journal of Pharmacy and Technology
PublisherInternational Journal of Pharmacy and Technology
ISSN0975766X