Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption

Table 15

Comparative study of encryption algorithm speed.

Work	Permutation	Substitution	Diffusion	S (Mb/s)
Reference [2]	√	—	√	0.2
Reference [3]	—	√	√	9.6
Reference [4]	—	—	√	3.4
Reference [7]	—	—	√	13.52
Reference [8]	√	—	√	2.4
Proposed algorithm	√	√	√	12.9