Shareeda, Mahmood Arif Lafta Al
(2022)
An Efficient Framework Of Identity-based Conditional Privacy-preserving Authentication For Vehicular Ad Hoc Networks.
PhD thesis, Universiti Sains Malaysia.
Abstract
Vehicular ad hoc networks (VANETs) have become increasingly common in recent
years due to their critical role in the field of intelligent transportation by supporting
Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications. The security and
privacy of VANET are of the utmost importance due to the use of an open wireless
communication medium where messages are exchanged in the plain text allowing attackers
to intercept, tamper, replay, and delete them. To address these issues, several
researcher have been proposed schemes in VANET. The taxonomy of existing schemes
is as follows. Public key infrastructure-based conditional privacy-preserving authentication
(PKI-CPPA), group signatures-based conditional privacy-preserving authentication
(GS-CPPA), and identity-based conditional privacy-preserving authentication
(ID-CPPA) schemes. This thesis aims to propose an efficient framework identity-based
conditional privacy-preserving authentication (EID-CPPA) based on elliptic curve cryptography
to secure communication in VANETs. The proposed EID-CPPA framework
comprises four main phases namely System Initialization, Joining, Broadcasting Massages
and Updated Parameter. The first phase is System Initialization, where the
Trusted Authority (TA) is responsible to generate and preload the public and private
keys into each Road-Side Unit (RSU) located on single domain to reduce the size of
Certificate Revocation List (CRL)
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