Research Article
[Retracted] An Anonymous Signature-Based Authentication and Key Agreement Scheme for Vehicular Ad Hoc Networks
Table 3
Communication cost For relevant Schemes.
| Schemes | Single vehicle user verification (bits) | vehicle user verification (bits) |
| Zhou et al. | | | Kumar et al. | | | Wu et al. | | | Qi et al. | | | Proposed scheme | | |
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