Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Blockchain-based IoT Authentication techniques for DDoS Attacks

  • Choi, Wonseok (School of Computer Science and Engineering, Kyungpook National University) ;
  • Kim, Sungsoo (Department of Aeronautical Software Engineering, Kyungwoon University)
  • Received : 2019.07.02
  • Accepted : 2019.07.26
  • Published : 2019.07.31
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Abstract

In the IoT(Internet of Things) environment, various devices are utilized and applied for different sites. But attackers can access easy to IoT systems, and try to operate DDoS(Distributed Denial-of-Service) attacks. In this paper, Sensor nodes, Cluster heads, and Gateways operates lightweight mutual authentication each others. Since authenticated sensor nodes and cluster heads only send transactions to Gateways, proposed techniques prevent DDoS attacks. In addition, the blockchain system contains secure keys to decrypt data from sensor nodes. Therefore, attackers can not decrypt the data even if the data is eavesdropped.

Keywords

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Fig. 1. Registration Protocol

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Fig. 2. Authentication Protocol

Table 1. Notations

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Table 2. Security Comparision

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