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

Table 10

UACI/NPCR scores of grayscale images for different image encryption algorithms.

Images	Wu et al. [65]	Zhou et al. [66]	Hua and Zhou [67]	Zhou et al. [68]	Lan et al. [69]	Proposed
5.1.09	33.51/99.61	33.48/99.60	33.60/99.61	33.14/99.60	33.42/99.60	33.3829/99.6185
5.1.10	33.56/99.60	33.51/99.61	33.54/99.62	33.24/99.61	33.45/99.64	33.4752/99.6140
5.1.11	33.43/99.61	33.35/99.61	33.44/99.62	33.72/99.64	33.40/99.61	33.4587/99.6140
5.1.12	33.62/99.61	33.45/99.63	33.42/99.57	33.56/99.60	33.41/99.60	33.5242/99.5941
5.1.13	33.46/99.61	33.36/99.59	33.42/99.61	33.77/99.63	33.42/99.59	33.3068/99.6506
5.1.14	33.46/99.66	33.37/99.67	33.47/99.64	33.21/99.62	33.44/99.63	33.5055/99.6231
5.2.08	33.43/99.61	33.43/99.60	33.47/99.63	33.31/99.61	33.45/99.62	33.4720/99.6197
5.2.09	33.34/99.60	33.42/99.60	33.49/99.63	33.62/99.60	33.57/99.63	33.5018/99.5884
5.3.01	33.45/99.61	33.43/99.61	33.45/99.59	33.42/99.60	33.47/99.61	33.5058/99.6149
5.3.02	33.48/99.60	33.47/99.61	33.49/99.59	33.29/99.60	33.49/99.61	33.4673/99.6212
7.1.01	33.54/99.58	33.44/99.61	33.52/99.60	33.25/99.59	33.47/99.59	33.5358/99.6063
7.1.02	33.49/99.61	33.45/99.60	33.48/99.61	33.53/99.59	33.46/99.62	33.4425/99.6082
7.1.03	33.56/99.62	33.46/99.59	33.46/99.61	33.27/99.62	33.41/99.62	33.4004/99.6078
7.1.04	33.48/99.62	33.46/99.62	33.52/99.60	33.21/99.59	33.49/99.59	33.3767/99.6059
7.1.05	33.40/99.62	33.38/99.59	33.54/99.62	33.21/99.62	33.45/99.60	33.5075/99.6063
7.1.06	33.57/99.63	33.50/99.60	33.53/99.63	33.30/99.61	33.48/99.61	33.5815/99.5991
7.1.07	33.44/99.59	33.47/99.59	33.52/99.59	33.15/99.61	33.51/99.63	33.4765/99.5972
.1.08	33.48/99.62	33.45/99.61	33.57/99.61	33.26/99.60	33.44/99.59	33.5333/99.5926
7.1.09	33.41/99.62	33.40/99.61	33.52/99.62	33.23/99.58	33.43/99.61	33.4785/99.6094
7.1.10	33.52/99.61	33.47/99.61	33.53/99.60	33.59/99.61	33.49/99.60	33.4756/99.6056
7.2.01	33.48/99.61	33.47/99.62	33.50/99.62	33.42/99.63	33.50/99.61	33.4988/99.6058
Elaine.512	33.49/99.58	33.52/99.62	33.51/99.62	33.37/99.61	33.51/99.61	33.4788/99.5987
Boat.512	33.44/99.61	33.38/99.63	33.55/99.62	33.37/99.61	33.47/99.61	33.4100/99.6021
Numbers.512	33.54/99.60	33.42/99.59	33.40/99.61	33.77/99.61	33.45/99.60	33.3944/99.6151
Ruler.512	33.42/99.61	33.40/99.62	33.51/99.61	33.43/99.61	33.44/99.59	33.4249/99.6086
Gray21.512	33.47/99.62	33.40/99.60	33.39/99.60	33.36/99.60	33.50/99.61	33.4812/99.6075
Mean	33.4827/99.6104	33.4362/99.6092	33.4938/99.6100	33.3846/99.6085	33.4623/99.6095	33.4654/99.6095