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All Journal International Journal of Electrical and Computer Engineering Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Semantik ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Syntax Literate: Jurnal Ilmiah Indonesia Charity : Jurnal Pengabdian Masyarakat Prosiding Konferensi Nasional PKM-CSR Jurnal Nasional Teknik Elektro dan Teknologi Informasi eProceedings of Engineering Jurnal Rekayasa elektrika
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Journal : Jurnal Nasional Teknik Elektro dan Teknologi Informasi

 1 
Implementasi Sistem Keamanan Presensi Berbasis Kode QR Menggunakan Algoritma RSA dan Hash Arif Indra Irawan; Iman Hedi Santoso; Istikmal; Maya Rahayu
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 13 No 1: Februari 2024
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v13i1.4395

Abstract

The quick response (QR) code-based attendance application contributes to reducing paper usage and attendance input errors. However, in its implementation process, the QR-code-based attendance at a Bandung school demonstrates weaknesses. Absent students can fake their attendance for themselves or friends. This type of attack is known as fake QR code generation. This research proposes a security authentication system using the Rivest–Shamir–Adleman (RSA) encryption algorithm and the secure hash algorithm 1 (SHA-1) to secure QR code-based attendance applications from fake QR code generation attacks. The RSA algorithm encrypts QR code data to maintain privacy, while the SHA-1 algorithm ensures data integrity. Based on this method, the mutual authentication process between the QR code data generated by the student and the attendance reading application by the teacher can be established. The results obtained from a series of tests showed that the security system in the student attendance recording application that had been implemented at Madrasah Aliyah (MA) Al-Mukhlishin could detect and prevent fake QR code generation attacks. The test was conducted by changing the impact of the key length on RSA-1024 bits and RSA-2048 bits. The results showed that in RSA-1024 bits, energy consumption of 0.14 J and time of 1.66 s is more efficient than that in RSA-2048 bits, with energy consumption of 0.19 J and time of 2.09 s. Interestingly, if a higher level of security is required, the key length should be increased at the expense of some energy and time efficiency.
Co-Authors Adit Kurniawan Aditya Karyadi Kusuma Aji, Bernadus Bayu Prasetyo Anggita Yaumil Istiana Arif Indra Irawan Bagus Aditya Erna Sri Sugesti Favian Dewanta Habib Al Ghani Hendrawan Hendrawan Hirwandi Agusnam Iman Hedi Santoso Indrarini Dyah Irawati Julana, Fathur Alfarisi Kemas M L Leanna Vidya Yovita Malldi Saesar Maya Rahayu Muhammad Faza Izzaturrahman Nugroho Muhammad Hasan PUTRA SUJARWO, MUHAMMAD AKBAR IBNU FARHAN Raden Bagus Nurhadi Wibowo Ratna M Rendy Munadi Ridha M N Sandy Purniawan Satria Utama Sofia Naning Hertiana Sugondo Hadiyoso Syafaat Deha Syifa Aulia Sakira Nur Rahman Tengku A R Tody A W Tody Ariefianto Wibowo Yuliant S