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Design of Embedded Security Controller Based on Client Authentication Utilizing User Movement Information

사용자의 이동정보를 활용한 클라이언트 인증 기반의 임베디드 보안 컨트롤러 설계

  • Hong, Suk-Won (University of Gyeongnam Geochang Ademic Afairsoffice)
  • 홍석원 (경남도립거창대학 교무처 기획평가팀)
  • Received : 2019.11.21
  • Accepted : 2020.03.20
  • Published : 2020.03.28

Abstract

A smart key has been used in a variety of embedded environments and there also have been attacks from a remote place by amplifying signals at a location of a user. Existing studies on defence techniques suggest multiple sensors and hash functions to improve authentication speed; these, however, increase the electricity usage and the probability of type 1 error. For these reasons, I suggest an embedded security controller based on client authentication and user movement information improving the authentication method between a controller and a host device. I applied encryption algorithm to the suggested model for communication using an Arduino board, GPS, and Bluetooth and performed authentication through path analysis utilizing user movement information for the authentication. I found that the change in usability was nonsignificant when performing actions using the suggested model by evaluating the time to encode and decode. The embedded security controller in the model can be applied to the system of a remote controller for a two-wheeled vehicle or a mobile and stationary host device; in the process of studying, I found that encryption and decryption could take less then 100ms. The later study may deal with protocols to speed up the data communication including encryption and decryption and the path data management.

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