NOVEL S-BOX STRUCTURE FOR ENCRYPTION ALGORITHMS BASED ON FPGA

للكاتبين :

Mohamed. A. Ahmed, M.A Ashour 1, and Hamdy. M. Kelash 2.

1 Dept of Systems and engineering, NCRRT, Atomic Energy Authority.

2Dept. of Computer Science and Engineering Menoufiya University, Faculty of Electronic

Engineering, Egypt.

ABSTRACT

This paper presents a new architecture of S-box based on Multi-path Interconnection Network

(MIN), and then implements it on FPGA platform. The proposed MIN interconnection

technique achieves the interconnection and routing for encryption/decryption processes,

which consider the s-box for encryption/decryption works as a bidirectional unit for both

processes with very high speed. For performance evaluation, a practical comparison among

the proposed design and similar units in two famous encryption algorithms has been carried

out. The proposed design verify a significant achievement in throughput and implementation

area, the maximum throughput of proposed s-box unit improved by 219% when it works as a

bidirectional unit , and improved by 346% when it works as one way encryption / decryption

unit. This results support the usages of proposed s-box in real time applications.

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