Blockchain-based IoT Authentication techniques for DDoS Attacks

Wonseok Choi; Kim Sung soo

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2019, 24(7), pp.87-91
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

Wonseok Choi ¹, Kim Sung soo ²

¹경북대학교
²경운대학교

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

Authentication Protocol, Blockchain, IoT, DDoS
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