Research Article
Sound-Proximity: 2-Factor Authentication against Relay Attack on Passive Keyless Entry and Start System
Table 2
FN and FP for the Euclidean distance.
| | 1 s | 2 s | 3 s | 4 s | 5 s |
| 1 | 0.00/1.00 | 0.00/1.00 | 0.00/1.00 | 0.00/1.00 | 0.00/1.00 | 10 | 0.39/0.77 | 0.00/1.00 | 0.07/1.00 | 0.02/1.00 | 0.00/1.00 | 20 | 0.95/0.03 | 0.11/0.92 | 0.94/0.96 | 0.25/0.99 | 0.00/1.00 | 30 | 0.99/0.00 | 0.97/0.01 | 0.98/0.06 | 0.65/0.76 | 0.16/0.85 | 40 | 0.99/0.00 | 0.99/0.00 | 0.98/0.01 | 0.93/0.35 | 0.76/0.15 | 50 | 0.99/0.00 | 0.99/0.00 | 0.99/0.00 | 0.98/0.07 | 0.95/0.00 | 60 | 0.99/0.00 | 1.00/0.00 | 0.99/0.00 | 0.98/0.01 | 0.98/0.00 | 70 | 0.99/0.00 | 1.00/0.00 | 1.00/0.00 | 0.99/0.00 | 0.99/0.00 | 80 | 1.00/0.00 | 1.00/0.00 | 1.00/0.00 | 0.99/0.00 | 0.99/0.00 |
|
|