ISSN 2278-9723
 

Technical Note 
. 2018; 6(1): 7-11


A chaos based image encryption algorithm using Shimizu- Morioka system

Yakubu H. J., Aboiyar T..

Abstract
Recent research on image encryption schemes has focused on chaotic systems in order to meet the demand for real-time secure image
transmission over the Internet. In this paper, we propose a new image encryption scheme based on Shimizu-Morioka chaotic system.
The scheme consists of two stages: the confusion (mixing) stage and the diffusion stage. In the confusion stage, we utilized the rich chaotic
properties of the Shimizu-Morioka chaotic system by solving the system N timeís steps using Eulerís method and scrambled the
positions of the pixel values of the image using the randomness of the solutions obtained from the chaotic system. In the diffusion stage,
we generate N (where N is the size of image per colour) random integer numbers that is non-periodic and performed MOD and bitXOR
operations on the shuffled image using the random numbers to obtain encrypted (diffused) image. The proposed algorithm is tested on a
standard RGB image that is of size 256x256 and is stored with TIFF file format. Performance analysis on the proposed scheme such as
the statistical analysis and the sensitivity analysis show that the proposed encryption scheme is reliable and strong enough to withstand
different attacks.

Key words: Chaos: Cryptosystem: Equilibrium Point: Image Encryption: Shimizu-Morioka System.


 
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Pubmed Style

J. YH, T. A. A chaos based image encryption algorithm using Shimizu- Morioka system. . 2018; 6(1): 7-11.


Web Style

J. YH, T. A. A chaos based image encryption algorithm using Shimizu- Morioka system. http://www.ijccts.org/?mno=302643577 [Access: December 16, 2018].


AMA (American Medical Association) Style

J. YH, T. A. A chaos based image encryption algorithm using Shimizu- Morioka system. . 2018; 6(1): 7-11.



Vancouver/ICMJE Style

J. YH, T. A. A chaos based image encryption algorithm using Shimizu- Morioka system. . (2018), [cited December 16, 2018]; 6(1): 7-11.



Harvard Style

J., Y. H. & T., . A. (2018) A chaos based image encryption algorithm using Shimizu- Morioka system. , 6 (1), 7-11.



Turabian Style

J., Yakubu H., and Aboiyar T.. 2018. A chaos based image encryption algorithm using Shimizu- Morioka system. International Journal of Communication and Computer Technologies, 6 (1), 7-11.



Chicago Style

J., Yakubu H., and Aboiyar T.. "A chaos based image encryption algorithm using Shimizu- Morioka system." International Journal of Communication and Computer Technologies 6 (2018), 7-11.



MLA (The Modern Language Association) Style

J., Yakubu H., and Aboiyar T.. "A chaos based image encryption algorithm using Shimizu- Morioka system." International Journal of Communication and Computer Technologies 6.1 (2018), 7-11. Print.



APA (American Psychological Association) Style

J., Y. H. & T., . A. (2018) A chaos based image encryption algorithm using Shimizu- Morioka system. International Journal of Communication and Computer Technologies, 6 (1), 7-11.





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