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General Information
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2014 Vol.6(5): 346-350 ISSN: 1793-8236
DOI: 10.7763/IJET.2014.V6.724

A Highly Parallel Area Efficient S-Box Architecture for AES Byte-Substitution

Mostafa Abd-El-Barr and Altaf Al-Farhan
 Abstract—The performance of the S-Box represents an important factor in the overall performance of the AES cryptography systems. It affects the speed, area, and the power consumption of the AES. In attempts to improve the performance of the S-box byte substitution a number of techniques were presented in the literature. In this paper, we classify the S-box byte substitution optimization techniques as those based on hardware, software, and combined hardware/software. We then move on to propose a new highly parallel and area-efficient S-box architecture for AES byte substitution. We also conduct a performance analysis and comparison of the proposed architecture with those achieved by existing techniques. The comparison shows that the proposed architecture outperforms the existing techniques in terms of speed and area.

Index Terms—Cryptography, advanced encryption standard (AES), s-box byte substitution, parallel s-box architecture, efficient s-box.

The authors are with the Department of Information Science, College of Computing Sciences and Engineering (CCSE), Kuwait University, Kuwait (e-mail: mostafa.abdelbarr@gmail.com, eng.altaf@hotmail.com).


Cite: Mostafa Abd-El-Barr and Altaf Al-Farhan, "A Highly Parallel Area Efficient S-Box Architecture for AES Byte-Substitution," International Journal of Engineering and Technology vol. 6, no. 5, pp. 346-350, 2014.

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