A Provably Secure, Efficient and Flexible Authentication Scheme for Ad hoc Wireless Sensor Networks

A Provably Secure, Efficient and Flexible Authentication Scheme for Ad hoc Wireless Sensor Networks
Smart card-based authentication scheme for heterogeneous ad hoc wireless sensor network. This scheme is very efficient since it employs only hash function and XOR operation. However, we found that Turkanovic et al.’s scheme is vulnerable to impersonation attack with node capture, stolen smart card attack, sensor node spoofing attack, stolen verifier attack, and fails to ensure backward secrecy. We propose an efficient scheme to overcome all those weaknesses. Moreover, an advanced scheme is proposed, which provides perfect forward secrecy without much modification from the first proposed scheme.

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