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Open AccessArticle

A Novel Method for Constructing the S-Box Based on Spatiotemporal Chaotic Dynamics

1
City Institute, Dalian University of Technology, Dalian 116600, China
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School of Information Science & Technology, Xiamen University Tan Kah Kee College, Xiamen University Zhangzhou Campus, Zhangzhou 363105, China
3
Information Science & Technology College, Dalian Maritime University, Dalian 116026, China
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Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(12), 2650; https://doi.org/10.3390/app8122650
Received: 5 November 2018 / Revised: 7 December 2018 / Accepted: 11 December 2018 / Published: 17 December 2018
A novel construction method for a random S-box by using the spatiotemporal nonlinear chaotic system is proposed. The chaotic sequences of the spatiotemporal chaotic system are applied to construct an initial S-box. Then, the permutation operation between independent chaotic sequences is performed to shuffle the elements of the S-box randomly. In comparisons with the former schemes, the results of the performance analysis indicate that the obtained S-box has a better output bit independence criterion and a stronger ability to resist linear password attacks. It also has a high dimensional feature due to the spatiotemporal chaotic dynamical behaviors. The proposed scheme holds superior cryptographic features. View Full-Text
Keywords: chaos; S-box; coupled map lattices; non-adjacent coupled map lattices chaos; S-box; coupled map lattices; non-adjacent coupled map lattices
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Liu, L.; Zhang, Y.; Wang, X. A Novel Method for Constructing the S-Box Based on Spatiotemporal Chaotic Dynamics. Appl. Sci. 2018, 8, 2650.

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