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

Bahram Rashidi

Articles in Press, Accepted Manuscript, Available Online from 20 June 2022

  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