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Novel Substitution Box Architectural Synthesis for Lightweight Block Ciphers | IEEE Journals & Magazine | IEEE Xplore

Novel Substitution Box Architectural Synthesis for Lightweight Block Ciphers


Our paper describes the architectural synthesis of S-box for lightweight block ciphers. Lightweight ciphers are excellent for securing resource-constrained devices with l...

Abstract:

This letter proposes three novel substitution box (S-box) architectures for lightweight block ciphers. The proposed S-box architectures are based on the Boolean decomposi...Show More

Abstract:

This letter proposes three novel substitution box (S-box) architectures for lightweight block ciphers. The proposed S-box architectures are based on the Boolean decomposition to achieve the design tradeoffs. Absorption of the Terminal Nodes property, positive Davio expansion, and Shannon decomposition are explored for the three S-box architectures. The proposed S-box variants are included in the SPN layer of the Midori-64 block cipher to validate their utility for a lightweight cipher. Also, to demonstrate the generality of the proposed logic decomposition approaches, the proposed work is expanded to the composite field architectures for the S-box of AES-128. Compared with state-of-the-art designs, the proposed designs exhibit a reduction of 66%, 36%, and 21% for energy, delay, and power metrics.
Our paper describes the architectural synthesis of S-box for lightweight block ciphers. Lightweight ciphers are excellent for securing resource-constrained devices with l...
Published in: IEEE Embedded Systems Letters ( Volume: 16, Issue: 2, June 2024)
Page(s): 90 - 93
Date of Publication: 27 February 2023

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