Table 7 Results for encryption using AES S-box in different noisy environments
From: A highly nonlinear S-box based on a fractional linear transformation
Images | Entropy | Contrast | Correlation | Energy | Homog. |
|---|---|---|---|---|---|
Encryption at \(\sigma =25\) | 7.1438 | 7.4417 | 0.0047 | 0.0159 | 0.3921 |
Encryption at \(\sigma =50\) | 7.0705 | 7.3104 | 0.0033 | 0.0162 | 0.3933 |
Encryption at \(\sigma =75\) | 7.0475 | 7.124 | 0.0017 | 0.0178 | 0.4023 |