Journal
PEER-TO-PEER NETWORKING AND APPLICATIONS
Volume 8, Issue 6, Pages 1070-1081Publisher
SPRINGER
DOI: 10.1007/s12083-014-0285-z
Keywords
Wireless sensor networks; Authentication; Anonymity; Unlinkability; Privacy
Funding
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1078]
- Major national ST program [2011ZX03005-002]
- National Natural Science Foundation of China [U1135002, 61100230, 61100233, 61202389, 61202390, 61372075]
- Natural Science Basic Research Plan in Shaanxi Province of China [2012JQ8043, 2012JM8030]
- Fundamental Research Funds for the Central Universities [JB140302, K5051203015]
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User authentication with unlinkability is one of the corner stone services for many security and privacy services which are required to secure communications in wireless sensor networks (WSNs). Recently, Xue et al. proposed a temporal-credential-based mutual authentication and key agreement scheme for WSNs, and claimed that their scheme achieves identity and password protection, and the resiliency of stolen smart card attacks. However, we observe that Xue et al.'s scheme is subject to identity guessing attack, tracking attack, privileged insider attack and weak stolen smart card attack. In order to fix the drawbacks, we propose an enhanced authentication scheme with unlinkability. Additionally, the proposed scheme further cuts the computational cost. Therefore, the proposed scheme not only remedies its security flaws but also improves its performance. It is more suitable for practical applications of WSNs than Xue et al.'s scheme.
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