A Chaos-Based Substitution Box (S-Box) Design with Improved Differential Approximation Probability (DP)

Khan, M.A. and Ali, A. and Jeoti, V. and Manzoor, S. (2018) A Chaos-Based Substitution Box (S-Box) Design with Improved Differential Approximation Probability (DP). Iranian Journal of Science and Technology - Transactions of Electrical Engineering, 42 (2). pp. 219-238.

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Abstract

Substitution box is a vital and the only nonlinear component of modern encryption algorithm. S-box is introduced as a confusion component to resist against differential cryptanalysis. Chaos-based encryption is well liked because it exhibits similarity like cryptography. However, chaotic S-boxes possess high maximum differential approximation probability, measured using difference distribution table (DDT) for differential cryptanalysis. Therefore, this paper reports a systematic design methodology to generate chaotic S-box utilizing DDT and that can be used in multimedia encryption algorithms. DDT within the design loop is used to optimize differential approximation probability. The proposed S-box shows very low differential approximation probability as compared to other chaos-based S-box designed recently, while maintaining good cryptographic properties and high value of linear approximation probability. The strength of the proposed cryptographically strong S-box is vetted in the practical implementation of multimedia encryption. © 2018, Shiraz University.

Item Type: Article
Impact Factor: cited By 0
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 01 Aug 2018 03:12
Last Modified: 01 Aug 2018 03:12
URI: http://scholars.utp.edu.my/id/eprint/21555

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