Lightweight Security for WSN Based on Network Coding
The application of network coding has been improving the performance of Wireless Sensor Networks (WSN). Compared with previous, the security performance has been improved. But when faced with security attacks—especially eavesdroppers, the security of the WSN still needs to be improved. A Lightweight Permutation Encryption Coding (LPEC) is proposed in this chapter, which Combines with secure network coding and permutation encryption algorithm. Unlike end-to-end encryption, which encrypts the whole text, LPEC only encrypts the Local Encoding Vector (LEV), and hide it by permutation encryption. The mechanism effectively reduces the encryption complexity, and thwarts global eavesdroppers. At the same time, it improves the security performance for communication between WSN nodes.
KeywordsWSN Network coding Security performance LPEC
This work was supported by Important National Scenes & Technology Specific Projects (2010ZX03006-006), NSFC (61171176), Scientific Research Fund of Zhejiang Provincial Education Department under Grant No. Y201225956 and Natural Science Foundation of Ningbo under Grant No. 2012A610015.
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