Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption

Table 14

Performance of the proposed encryption algorithm.

Process	Key generation	Random permutation	S-box substitution	XOR diffusion
Time (s)	0.0192	0.2426	0.1880	0.0378
Total time (s)	0.4876
Speed (Mb/s)	12.9