Research Article
[Retracted] Medical Image Encryption Based on 2D Zigzag Confusion and Dynamic Diffusion
| Metrics | HC | VC | Dc | NPCR (%) | UACI (%) | Entropy | Keyspace |
| Banu et al. [5] | 0.0019 | 0.0034 | 0.0018 | 99.68 | 33.47 | 7.998 | 10128 | Liu et al. [11] | 0.0069 | 0.0216 | 0.0039 | 99.60 | 33.44 | 7.99929 | < 2128 | Kumar et al. [12] | 0.0860 | 0.0240 | 0.0204 | 99.14 | 32.54 | 4.7453 | 1060 | Lakshmi et al. [36] | 0.0037 | −0.0038 | 0.0006 | 99.6 | 33.41 | 7.99 | 10112 | Chai et al. [39] | −0.0293 | 0.0079 | −0.0160 | 99.60 | 33.42 | 7.9991 | 1098 | Banu et al. [49] | 0.00163 | 0.00225 | 0.00065 | 99.6067 | 33.47 | 7.9976 | 10206 | Rajagopalan et al. [50] | 0.0098 | 0.0051 | −0.0013 | — | — | 7.9972 | >2128 | Proposed | 0.0014 | 7.2233 e− 4 | 0.0002 | 98.536 | 32.10 | 7.9993 | 10120 |
|
|