[Retracted] Medical Image Encryption Based on 2D Zigzag Confusion and Dynamic Diffusion

Table 13

Test results of the sequences generated by the chaotic system with FIPS 140-2 test suite.

FIPS 140-2 test	Theoretical value	2D-SLMM	2D-HSM	Proposed in equation (4)
Mono bit test	9,725–10,725	10,888	10,033	10,001
Poker test	2.16–46.17	466.4896	481.6930	12.9664
Run test of length 1 for ‘0’	2,315 - 2,685	2874	3665	3285
Run test of length 1 for ‘1’	2,315 - 2,685	4227	3684	3261
Run test of length 2 for ‘0’	1,114 - 1,386	1372	1772	1384
Run test of length 2 for ‘1’	1,114 - 1,386	1813	1778	1389
Run test of length 3 for ‘0’	527–723	682	909	653
Run test of length 3 for ‘1’	527–723	1093	972	642
Run test of length 4 for ‘0’	240–384	414	500	318
Run test of length 4 for ‘1’	240–384	487	554	327
Run test of length 5 for ‘0’	103–209	221	291	150
Run test of length 5 for ‘1’	103–209	333	324	144
Run test of length 6 for ‘0’	103–209	158	173	78
Run test of length 6 for ‘1’	103–209	181	195	75
Longest run test	26	15	15	12