Chaotic Lightweight Cryptosystem for Image Encryption

Table 4

Comparison of computational complexity in time (s).

Parameter	Janakiraman et al. [14], 128 × 128	Bisht et al. [20], areal color 170 × 170	Proposed method, lena 256 × 256	Yousif et al. [27], lena 512 × 512	Liu et al. [30], lena 512 × 512	Gupta et al. [31], lena 256 × 256	Lin and Wu [33], lena 512 × 512	Proposed method, lena 512 × 512
Encryption time (s)	—	34.4626	2.227	—	109.887853	0.0114	3.7944	9.5097
Decryption time (s)	—	—	1.7223	—	—	—	—	7.4552
Total time (s)	0.17815	—	3.9492	5.39	—	—	—	16.9648