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IoT Authentication System Using Blockchain and TOTP

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2020, 25(2), pp.113-122
  • DOI : 10.9708/jksci.2020.25.02.113
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : December 26, 2019
  • Accepted : January 20, 2020
  • Published : February 28, 2020

Ho-Gyun Kim 1,  SOON-HO JUNG 1

1부경대학교

Accredited

ABSTRACT

In this paper, we propose the terminal authentication system using blockchain and TOTP(Time-based One-time Password Algorithm) to sustain a continuous authentication between user device and service device. And we experiment this system by using door-lock as a terminal of IoT(Internet of Things). In the future, we can apply this result to several devices of IoT for convenience and security. Although IoT devices frequently used everyday require convenience and security at the same time, it is difficult for IoT devices having features of the low-capacity and light-weight to apply the existing authentication technology requiring a high amount of computation. Blockchain technology having security and integrity have been used as a storage platform, but its authentication cannot be performed when the terminal cannot access any network. We show the method to solve this problem using Blockchain and TOPT.

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This paper was written with support from the National Research Foundation of Korea.
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