Cooperatively securing network coding against pollution attacks with incentive mechanism

  • Authors:
  • Yichao Xu;Kouichi Sakurai

  • Affiliations:
  • Kyushu University, Motooka, Nishi-ku, Fukuoka, Japan;Kyushu University, Motooka, Nishi-ku, Fukuoka, Japan

  • Venue:
  • Proceedings of the 6th International Conference on Ubiquitous Information Management and Communication
  • Year:
  • 2012

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Abstract

The availability of network system with network coding can suffer from malicious nodes intentionally corrupt the encoded packets. The situation will get even worse when there are selfish nodes that are unwilling to take the measure of security mechanism. In such situation, selfish nodes should be motivated to follow the protocol, and malicious nodes need to be detected. We integrate an efficient Homomorphic MAC with a lightweight non-repudiation transmission protocol which can not only detect the corrupted packets but also locate the malicious nodes. In order to deal with the selfish behavior, we propose an incentive scheme which can encourage the nodes to follow the protocol faithfully and detect the pollution attacks. In addition, we analyze the relationship between security and parameters of the protocol, which can help to choose the better parameters the system requires. From the evaluated results, we can see that our design can effectively defense against pollution attacks in the system with network coding with high security and good performance.