Table 6 Comparison of computation cost (in ms) of proposed schemes with similar recent schemes.
From: Two secure authentication protocols for mitigating vulnerabilities in IoD
Schemes | \(D_j/Device_j\) | \(U_i\)/\(GWN_i\) | Server | Total (ms) |
|---|---|---|---|---|
Tanveer et al.10 | \(3T_{cmap}+2T_s+4T_h\) | \(T_{fe}+5T_{cmap}+4T_s+6T_h\) | \(3T_{cmap}+T_s+3T_h\) | 16.453 |
Irshad et al.11 | \(3T_{mp}+8T_h+1T_{pa}\) | \(T_{fe}+3T_{mp}+15T_h+T_{pa}\) | \(2T_{s}+3T_{mp}+9T_h+T_{pa}\) | 47.097 |
Zhang et al.22 | \(7T_h\) | \(10T_h\) | \(7T_h\) | 0.519 |
Gupta et al.23 | \(4T_h\) | \(7T_h\) | \(5T_h\) | 0.341 |
Choi et al.24 | \(2T_{PUF} + 13T_h\) | \(12T_h\) | \(17T_h\) | 1.077 |
Modarres and Sarbishaei26 | \(T_{PUF} +7T_h\) | \(8T_h\) | \(2T_{PUF} +11T_h\) | 0.631 |
Nyangaresi et al.27 | \(T_{PUF} +4T_{mp}+4T_h+2T_{pa}\) | – | \(5T_{mp}+5T_h+T_{pa}\) | 24.424 |
Zhang et al.9 | \(6T_h+2T_{PUF}\) | \(8T_h\) | \(6T_h\) | 0.67 |
Proposed scheme (a) | \(8T_h+2T_{PUF}\) | \(12T_h\) | \(8T_h\) | 0.848 |
Proposed scheme (b) | \(11T_h+2T_{PUF}\) | \(15T_h\) | \(12T_h\) | 1.048 |
