Research on Lightweight Mutual Authentication for the Product Authorization Chain

Table 4

The comparison of computational complexity.

Scheme	Registration phase	Login phase	Authentication phase	Total
Wang et al.’s [4]
Wen and Li’s [5]
Chang et al.’s [6]
Kumari et al.’s [7]
Wang et al.’s [11]
Kaul and Awasthi’s [8]
Ours