Abstract
In security construction of Wireless Sensor Networks(WSN),key pre-distribution scheme plays an important part.However,the shared-key discovery protocol of the present key pre-distribution schemes is lowly resilient against the smart attack,at the same time,it requires high communication and computation cost.Based on analyzing all kinds of typical shared-key discovery protocols features in detail,an Efficient and Resilient Shared-key Discovery(ERSD) protocol by using privacy homomorphism and bloom filter was proposed in this paper.Both performance and simulation results prove that the proposed protocol is better resilient against the smart attack in the condition of taking up a little communication and computation cost.
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