Abstract
In this paper we present a secure broadcast scheme for wireless sensor networks. The proposed scheme provides data confidentiality, data authentication, data integrity, and data freshness with low overhead and simple operation. Since it allows delayed and lost packets, the secure broadcast is supported. Furthermore, it eliminates the requirement of frequent key renewal to overcome a special limitation of the stream ciphers. Due to the simplicity, efficiency, and security, the proposed scheme is a competitive solution to provide secure broadcast in wireless sensor networks.
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