… [70] present a conditional privacy-preserving authentication protocol based on ID-based …
approach allows hierarchical aggregation of signatures and batch verification. Their hierarchical …

… VANETs, we designed a hierarchical effective blockchain-assisted conditional privacy-preserving …
time delay and deployment costs by using hierarchical distributed VFC. Furthermore, …

… Oh, “A hierarchical privacy preserving pseudonymous authentication protocol for VANET,”
IEEE … vehicular network security, secure authentication protocols and privacy preservation. …

… Pseudonym-based authentication scheme can achieve conditional privacy preserving by
frequently changing pseudonyms for … conditional privacy and traceability for malicious users. …

… However, most of schemes [2], [26] need a large number of costly pairing operation during
the verification procedure, that is to say the pairing operations grows linearly as the number of …

… multi-factor authentication and privacy-preserving security solution for VANETs. It employs a
… one-time dynamic pseudo-identities as authentication factors. Furthermore, it eliminates the …

… Here, we propose a hybrid security and privacy preservation authentication protocol, which
manages the registered nodes by traditional PKI certificate and verifies the message by the …

… a hierarchical authentication protocol with the aim of ensuring basic security requirements
such as integrity, confidentiality… authentication scheme in VANET. The security of the designed …

… , and in this study we cryptanalyze some of the privacy preserving protocols to show that all
… hierarchical privacy preserving pseudonymous authentication protocol for the VANET. Their …

… In this paper, we propose a novel privacy-preserving authentication protocol (P2BA) …
privacypreserving authentication scheme suits for VANETs. The analysis of the security and privacy …