An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

Table 12

Analysis results of chosen-plaintext attacks.

Index	Lena	Baboon	Pepper	Ideal values
NPCR (%)	99.6087	99.6072	99.6109	99.6094
UACI (%)	33.4586	33.4572	33.4592	33.4635