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As an emerging network, Delay Tolerant Mobile Sensor Network (DTMSN) is susceptible to be attacked because of its limited resources and intermittent connectivity. Though authentication technology is usually used to prevent network from attacks, it is a challenging work in delay tolerant circumstance. In this paper, a node mutual authentication scheme based(More)
Key management is challenging in wireless sensor networks (WSNs). Most existing key management schemes mainly consider using symmetric cryptosystems in homogeneous sensor network, but they often do not provide a satisfied storage performance and cause large overhead in establishing shared keys for all pairs of neighbor sensors. In this paper, we propose a(More)
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