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A Trust Based Mutual Authentication and Data Encryption Scheme for MANET Security

A Trust Based Mutual Authentication and Data Encryption Scheme for MANET Security

Mansoor Ihsan Martin Hope
Emerging Technologies in Computing: Second International Conference, iCETiC 2019, London, UK, August 19–20, 2019, Proceedings
International Conference for Emerging Technologies in Computing: iCETiC 2019 (London, United Kingdom, 19/08/2019–21/08/2019)
14/07/2019
: https://doi.org/10.1007/978-3-030-23943-5_7
MANET are self-configurable wireless network where the nodes do not have fixed infrastructure, no centralized mechanism, nodes are fully cooperative, highly mobile and dynamic. There is no inherent security between the nodes for secure communication and data exchange. One of the huge security challenges is authentication of nodes in such environment in general and peer communicating nodes in particular where nodes are communicating for the first time. The proposed scheme presents a novel solution to authenticate peer nodes (source and destination) with no prior trust and security associations. As no pre-established trust exists before the MANET is initialized therefore, in MANET, nodes present a huge challenge of authenticating communicating peer nodes. The proposed scheme provides a solution to authenticate the sending and receiving nodes using trust based scheme as the sender and receiver doesn’t have first-hand information about these trust values as they could be at the opposite end. Thus, the trust is calculated by nodes for all their neighbours and is send to peer communicating nodes when requested before peer nodes initiate communication. We refer to this process as authentication through trust. Lastly, to ensure end to end data encryption, the mutual trust scheme is combined with Diffie-Hellman Elliptic Curve DHEC Key Exchange. This allows nodes pair to exchange data securely by using shared secret keys to encrypt data.

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