NPCR (理论值：99.6094)

UACI (理论值：33.4635)

密钥

Lena

Rice

Lena

Rice

$x_1+{10}^{-14}$

99.6162

99.6292

33.5089

33.4203

$y_1+{10}^{-14}$

99.6025

99.5995

33.5256

33.4905

$a_1+{10}^{-14}$

99.6101

99.6132

33.4997

33.3594

$b_1+{10}^{-14}$

99.6017

99.5987

33.4685

33.6001

$x_2+{10}^{-14}$

99.6010

99.6284

33.5063

33.5401

$y_2+{10}^{-14}$

99.6078

99.6048

33.4926

33.5559

$a_2+{10}^{-14}$

99.5827

99.5949

33.5126

33.4921

$b_2+{10}^{-14}$

99.6124

99.5789

33.5685

33.4337