Table 8 Performance comparison of computation costs among related protocols in authentication phase
Time complexity | Time complexity in unit of \({T}_{MUL}\) | |
|---|---|---|
Liao [16] | \(10T_{PM} + 4T_{PA}\) | \([12000 + 20]T_{MUL}\) |
Alamr [3] | \(9T_{PM} + 2T_{PA}\) | \([10800 + 10]T_{MUL}\) |
Sowjanya [19] | \(9T_{PM} + 2T_{H}\) | \([10800]T_{MUL}\) |
Dang [21] | \(8T_{PM} + 9T_{H}\) | \([9600]T_{MUL}\) |
Proposed scheme | \(6T_{PM} + 4T_{H}\) | \([7200]T_{MUL}\) |