A Hyperchaotic Color Image Encryption Algorithm and Security Analysis

Table 1

Adjacent element correlation.

Correlation Coefficient	Horizontal	Vertical	Diagonal
Plaintext	0.9372	0.9458	0.9681
Ciphertext	0.0013	0.0015	-0.0024
Ciphertext [17]	-0.0102	0.0076	-0.0153
Ciphertext [18]	0.0129	0.0065	0.0013
Ciphertext [19]	0.0034	0.0050	0.0056
Ciphertext [20]	0.0173	-0.0112	-0.0125