Table 9.

Comparison of encryption or dcryption time (EDT) of 8-bit gray level images for different image sizes.

Image Size (M × N)	Ref. [39]	Ref. [40]	Ref. [43]	Ref. [44]	Proposed System
64 × 64	0.07	0.03	0.19	0.61	0.02
128 × 128	0.19	0.08	0.29	2.17	0.06
256 × 256	0.46	0.18	6.01	7.73	0.22
512× 512	1.88	0.97	35.59	31.59	0.85
1024 × 1024	3.62	2.94	253.88	169.21	3.11