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Fast and Secure HMAC Function Message Authentication Protocol for Vehicular Ad Hoc Networks


Author(s):

Tushar R Vataliya , Narayan Shastri Institute Of Technology

Keywords:

Vehicular ad hoc networks (VANETs), Public Key Infrastructure (PKI), Expedite Message Authentication Protocol (EMAP)

Abstract:

Vehicular ad hoc networks (VANETs) adopt the Public Key Infrastructure (PKI) and Certificate Revocation Lists (CRLs) for their security. In any PKI system, the authentication of a received message is performed by checking if the certificate of the sender is included in the current CRL, and verifying the authenticity of the certificate and signature of the sender. In this paper, we propose an Expedite Message Authentication Protocol (EMAP) for VANETs, which replaces the time-consuming CRL checking process by an efficient revocation checking process. The revocation check process in EMAP uses a keyed Hash Message Authentication Code (HMAC), where the key used in calculating the HMAC is shared only between non revoked On-Board Units (OBUs). In addition, EMAP uses a novel probabilistic key distribution, which enables non revoked OBUs to securely share and update a secret key. EMAP can significantly decrease the message loss ratio due to the message verification delay compared with the conventional authentication methods employing CRL. By conducting security analysis and performance evaluation, EMAP is demonstrated to be secure and efficient.


Other Details:

Manuscript Id :IJSTEV1I12059
Published in :Volume : 1, Issue : 12
Publication Date: 01/07/2015
Page(s): 160-165
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