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http://dx.doi.org/10.5392/JKCA.2021.21.06.001

Hybrid Blockchain Design to Improve the Security of Education Administration Information System  

Son, Ki-Bong (금오공과대학교 컴퓨터공학과)
Son, Min-Young (금오공과대학교 컴퓨터공학과)
Kim, Young-Hak (금오공과대학교 컴퓨터공학과)
Publication Information
The Journal of the Korea Contents Association / v.21, no.6, 2021 , pp. 1-11 More about this Journal
Abstract
The Neis System is a system integrating administrative information that was operated in elementary and secondary schools in Korea. Currently, this system is operated by a central server method and contains school administration information and important educational information of students. Among student information, the student life record contains important information for a student to advance to a higher level institution, but problems such as information leakage or manipulation may occur due to malicious attacks. In this paper, we propose a hybrid blockchain system that combines the server and blockchain technology managed by the existing Neis system. The proposed system records the query information of the database in a block when student information is accessed. When a request for correction of student information or issuance of a certificate is received, the query of the blockchain, the information in the database, and the student's key value are checked to determine whether the information has been leaked or manipulated, and only if the data is normal, the request for revision of the record is performed. This process is more secure than the existing central server because it checks the manipulation of data through the blockchain. The proposed system was implemented on the Ethereum platform, and the query information of the blockchain was experimentally verified using smart contracts. This study contributes to enhancing the reliability of the Nice system by strengthening the security against forgery and alteration of student data by combining the existing Nice system with a block chain.
Keywords
Neis System; Blockchain; Ethereum;
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