Table 2 Validation status and results on cuckoo filter
From: SD2PA: a fully safe driving and privacy-preserving authentication scheme for VANETs
| Result case | Positive filter | Negative filter | Validity of \( \gamma \) |
|---|---|---|---|
| 1 | Yes | No | Valid |
| 2 | No | Yes | Invalid |
| 3 | No | No | Waiting mode |
| 4 | Yes | Yes | False query |