Security Issue In Mobile Ad-Hoc Network
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Abstract
Ad-hoc networks are a new paradigm of wireless
communication for mobile host’s need the certification system
allocated by the central authorities and this is done by PKI which
secures the network. PKI schemes in an efficient way. Mobile ad hoc
network (MANET) technology spreads widely in these days. It is
suitable for environments that need on fly setup. A lot of challenges
come with implementing these networks. The most sensitive
challenge that MANET faces is the security issue. Traditional Public
Key cryptography (PKC) and Identity based Cryptography (IBE) are
slow and not suitable for these environments because of the nodes
resources limitations. This paper is going to discuss the security of
MANET using the PKI schemes in an efficient way. This solution
provides a secure way for MANET nodes to authenticate each other
and to secure data sent by each other, But PKI is having the
overhead problems as large number of authentication messages
transferred between nodes.
In this research we have presented a new algorithm that will extend
the drawbacks of PKI technique and make the network much secure
and reliable for small and larger scale networks. Keys and
certificates have to be issued to each node (trusted), neglecting
malicious nodes on the track and finding the valid route to transfer
the data, in other words we have to design the algorithm that store
all the path in the server and locations of all the nodes, which
changes their location dynamically.
Keywords: Mobile Ad hoc Networks, Security, Public Key
Cryptography, Trusted authority, Central Authority.
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