A Chaotic Cryptosystem for Images Based on Henon and Arnold Cat Map

Table 6

Difference rates of two encrypted images with slight change in a parameter.

Parameter	Initial value	Changed value	Encrypted images difference rate
	6	7	99.59%
	2	1	99.60%
	2	1	99.62%
	12345678	12345679	99.58%
	87654321	87654320	99.62%
	12345	12346	99.63%
	67890	67891	99.60%
	1.21000001	1.21	99.59%
	0.36000001	0.36	99.60%