Table 5 Comparison of MLC for new S-box and different S-boxes
From: A highly nonlinear S-box based on a fractional linear transformation
Images | Entropy | Contrast | Correlation | Energy | Homog. |
|---|---|---|---|---|---|
Plain image | 7.4451 | 0.2100 | 0.9444 | 0.1455 | 0.9084 |
AES | 7.2531 | 7.5509 | 0.0554 | 0.0202 | 0.4662 |
APA | 7.2264 | 8.1195 | 0.1473 | 0.0183 | 0.4676 |
Gray | 7.2301 | 7.5283 | 0.0586 | 0.0203 | 0.4623 |
Skipjack | 7.2214 | 7.7058 | 0.1025 | 0.0193 | 0.4689 |
Xyi | 7.2207 | 8.3108 | 0.0417 | 0.0196 | 0.4533 |
RP | 7.2035 | 7.6236 | 0.0855 | 0.0202 | 0.4640 |
New | 7.2415 | 7.4568 | 0.0785 | 0.0223 | 0.4731 |