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All Journal International Journal of Electrical and Computer Engineering Jurnal INKOM Jurnal Teknik Elektro Jurnal Teknologi Informasi dan Ilmu Komputer International Journal of Advances in Intelligent Informatics Sistemasi: Jurnal Sistem Informasi
Basuki, Akbari Indra
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Computer Science & IT Electrical & Electronics Engineering Engineering

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Journal : International Journal of Electrical and Computer Engineering

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Privacy-preserving reservation model for public facilities based on public Blockchain Basuki, Akbari Indra; Rosiyadi, Didi; Susanto, Hadi; Setiawan, Iwan; Salim, Taufik Ibnu
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 4: August 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i4.pp4418-4429

Abstract

Ensuring fairness in the utilization of government-funded public facilities, such as co-working spaces, sports fields, and meeting rooms, is imperative to accommodate all citizens. However, meeting these requirements poses a significant challenge due to the high costs associated with maintaining digital infrastructure, employee wages, and cybersecurity expenses. Fortunately, Blockchain smart contracts present an economical and secure solution for managing digital infrastructure. They offer a pay-per-transaction schema, immutable transaction records, and role-based data updates. Despite these advantages, public blockchains raise concerns about data privacy since records are publicly readable. To address this issue, this study proposes a privacy-preserving mechanism for public facilities' reservation systems. The approach involves encrypting the reservation table with fully-homomorphic encryption (FHE). By employing FHE with binary masking and polynomial evaluation, the reservation table can be updated without decrypting the data. Consequently, citizens can discreetly book facilities without revealing their identities and eliminating the risk of overlapping schedules. The proposed system allows anyone to verify reservations without disclosing requested data and table contents. Moreover, the system operates autonomously without the need for human administration, ensuring enhanced user privacy.
Co-Authors Aciek Ida Wuryandari Baihaqi, Muhammad Aldi Fauzi Ahmad Muda Firdaus, Halim Galura Muhammad Suranegara Hadi Susanto Horng, Shi Jinn Iwan Setiawan Oka Mahendra Prasetyo, Heri Rosiyadi, Didi Rosiyadi, Didi Salim, Taufik Ibnu Sidiq, Muhammad Fajar Ulfa, Husnul