Data Supporting the Construction and Evaluation of a Lightweight 4-bit S-Box

The dataset includes the proposed S-box values, cryptographic property evaluation results, BIC-SAC and BIC-NL, NL, DU, SAC, LAP, BU,FBU results, hardware implementation and synthesis results, comparative results with existing lightweight S-boxes, and image-encryption evaluation results. Supporting figures, including the S-box construction flowchart, are also provided where applicable.</p><p dir="ltr">The dataset is intended to support transparency and reproducibility of the results reported in the associated research article on the construction and evaluation of a hybrid lightweight 4-bit S-box.</p>