A Secure Image Encryption Algorithm Based on Rubik's Cube Principle

Table 1

Difference measures between original and encrypted images.

Image	NPCR (in %)	UACI (in %)
Lena	99.5850	28.6210
Black	99.6078	50.1931
Baboon	99.6094	27.4092
Checkerboard	99.6201	50.0233