A Novel Security Methodology for Smart Grids: A Case Study of Microcomputer-Based Encryption for PMU Devices

Table 4

Comparing the ENT test results of the proposed method with different works.

	Arithmetic mean	Entropy	Correlation	Chi-square	Monte Carlo
y (8)	127.3353	7.9985	−0.0051725	253.6648	3.1396
					Error = −0.00062338)
z (16)	127.1994	7.9985	0.0031184	265.2769	3.149
					Error = 0,0023713
u (8)	127.322	7.9985	0.0030067	262.594	3.1383
					Error = −0,0010512
(16)	127.3249	7.9985	−0.00061494	252.6899	3.1352
					Error = −0,0020291
Stoyanov and Kordov [49]	127.5013	7.9975	−0.000147	—	3.140569
					Error = 0.03
Seetharam and Rhee [50]	122.885	7.7133	−0.058927	—	3.088126
					Error = 1.70
Akhshani et al. [51]	127.7714	7.9999	0.000108	255.19	3.14062
					Error = 0.031