A Novel Construction of Substitution Box Involving Coset Diagram and a Bijective Map

Table 12

Comparison of MLC for proposed S-box over different S-boxes.

S-boxes	Entropy	Contrast	Correlation	Energy	Homogeneity
Pepper image
Plaintext	7.5909	0.2760	0.9383	0.1288	0.9024
Proposed	7.9532	8.5155	0.0079	0.0174	0.4100
AES	7.9211	7.5509	0.0554	0.0202	0.4662
Ullah et al. [24]	7.9823	8.6727	−0.0043	0.0173	0.4076
Skipjack	7.7561	7.7058	0.1205	0.0239	0.4708
Khan et al. [25]	7.9562	8.3129	0.0103	0.0180	0.4219
Belazi	7.9233	8.1423	−0.0112	0.0286	0.4648
Baboon image
Plaintext	7.1273	0.7179	0.6782	0.1025	0.7669
Proposed	7.9551	8.5267		0.0174	.4088
AES	7.2531	7.5509	0.0554	0.0202	0.4662
Prime	6.9311	7.6236	0.0855	0.0202	0.4640
Xyi	7.2531	8.3108	0.0417	0.0196	0.4533
Skipjack	7.2531	7.7058	0.1025	0.0193	0.4689
Khan et al. [25]	7.9612	8.1213	−0.0512	0.0210	0.4011
Belazi	7.9252	8.0391	0.0119 0	.02219	0.4428