The security in VANETs is improvised with the
involvement of Public Key Infrastructure (PKI) and Certificate
Revocation List (CRL) through message authentication. The
neighborhood vehicles are tracked and are authenticated with
EMAP. In EMAP, Certificates and signature matches with the
CRL are used in checking and verifying the authenticity of any
PKI system. Time consumption in checking the CRL is relatively
less in EMAP because hash tables are used for searching process.
Keys shared with the non revoked On-Board Units (OBUs) are
used in Hashed Message Authentication Code (HMAC) for
revocation checking process. End to end delay and message loss
ratio is reduced here and thus the security and efficiency of
VANETs are enhanced in EMAP. In EMAP, CRL checking
process is improved by an efficient revocation checking process
using a fast and secure HMAC function. EMAP is suitable not
only for VANETs but also for any network employing a PKI
system and also reduces the authentication delay.
Published In : IJCAT Journal Volume 2, Issue 1
Date of Publication : 31 January 2015
Pages : 15 - 20
Figures :04
Tables : --
Publication Link :Advance EMAP for Vehicular Ad Hoc Network
Ms. R. Prashanthi : is an B.Tech student of Perunthalaivar
Kamarajar Institute of Engineering and Technology (PKIET)-
Karaikal. She is currently pursuing her UG in Information
Technology.
Vehicular networks
communication security
message authentication
certificate revocation
This paper have created security structural engineering for
VANET frameworks, going for an answer that is both
complete and down to earth. This paper have examined
the issue deliberately, recognizing threats and models of
ill-disposed conduct and in addition security and
protection prerequisites that are applicable to the
VANETs.
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