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Lightweight Cryptographic S-Boxes Based on Efficient Hardware Structures for Block Ciphers

Bahram Rashidi

Volume 15, Issue 1 , January 2023, , Pages 137-151

https://doi.org/10.22042/isecure.2022.275268.646

Abstract
  In this paper, we present four low-cost substitution boxes (S-boxes) including two 4-bit S-boxes called S1 and S2 and two 8-bit S-boxes called SB1 and SB2, which are suitable for the development of lightweight block ciphers. The 8-bit SB1 S-box is constructed based on four 4-bit S-boxes, multiplication ...  Read More