Abstract
<p>This paper proposes an attendance system for increasing the security based on Shamir Secret Share algorithm. The use of RFID devices for classroom attendance is still vulnerable to certain attacks. Students usually make use of existing loopholes for prohibited things, such as forged attendance. Shamir Secret Share is a security method based on the Secure Multiparty Computation (SMC) concept. The SMC guarantees not only the confidentiality of external attacks but also of each member in the secure system. In the attendance scenario using Shamir Secret Share, a student and a lecturer must do tapping at the same time; otherwise, the secret that opens the lock for attendance at that class will not be opened. To realize this system, this paper uses two RFID modules, each of which is connected to one nodeMCU microcontroller. Both systems are connected to a database where the Shamir Shared Secret calculation is performed. Some experiment has been implemented for proving the concept. The result shows that some scenarios of fraud in RFID based attendance can be prevented.</p>
Highlights
All non-mobile phone devices that are connected to the Internet can be classified as the Internet of Things
With the presence of IoT technology, many companies or offices use the technology to improve their used facilities [1][2], one of which is the use of RFID Cards
Based on the problem statement, which is a vulnerability in classroom attendance based on RFID Cards, this paper aims to increase the security of an RFID-based classroom attendance system with Shamir Secret Share
Summary
The security system provided by RFID can be used for a variety of things, such as user attendance, as well as door lock securities. The case which will be discussed here is about the attendance system in classrooms. Classroom attendance is the main condition for students to get good academic results. In this case, the use of attendance with RFID is quite effective and efficient because it can uniquely identify a person based on the Card entered [4]. Each student has an RFID that has been given by the campus to tap attendance in class, using a unique code that stores the student's own identity by using a UID (Unique Identifier) code that distinguishes students from one another. The use of RFID is only limited to UID storage, so the RFID is said to be still not safe
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