Table 5 Cost comparison of different schemes.
From: Lightweight identity authentication and key agreement scheme for VANETs based on SSL-PUF
Scheme | Time cost for Vi | Time cost for TA | Total (us) |
|---|---|---|---|
Reference46 | 2Th + TeccMS + 2TeccM≈26,034.5 | 2Th + TeccMS + 4TeccM≈458.16 | 26,502.66 |
Reference47 | Thp + 4Th + TEnc≈3070.3 | 2TeccMS + Thp + Thtp + 4Th + TEnc≈293.65 | 3363.95 |
Reference48 | 2Thp + TeccMS≈11,110 | 3TeccMS + Th≈187.01 | 11,292 |
Reference54 | 5TeccMS + Teca + 3Tpuf + 8Th≈25,282.1 | 6TeccMS + Teca + 3Tpuf + 9Th≈310.47 | 25,592.57 |
Ours | 4Th + Tpuf + TPA + TBCHD≈703.1 | 5Th + TBCHE + TPA + Tprng≈17.53 | 720.63 |