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All Journal IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Coding: Jurnal Komputer dan Aplikasi ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Building of Informatics, Technology and Science Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Journal of Computer System and Informatics (JoSYC) Jurnal Sistem Komputer dan Informatika (JSON) Jurnal Teknologi Informatika dan Komputer Jurnal Computer Science and Information Technology (CoSciTech) KLIK: Kajian Ilmiah Informatika dan Komputer JIKTI : Jurnal Ilmiah Komputer Terapan dan Informasi Jurnal Media Informasi Teknologi Mekongga: Jurnal Pengabdian Masyarakat Media of Computer Science
Kasliono Kasliono
Universitas Tanjungpura
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Medicine & Pharmacology Public Health Social Sciences Other

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Journal : media of computer science

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Implementation of Blockchain Technology for Securing Data Point Transactions in an IoT-Based Waste Sorting System Naufal Raihan Elriza; Kasliono Kasliono; Hirzen Hasfani
Media of Computer Science Vol. 2 No. 2 (2025): December 2025
Publisher : CV. Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mcs.v2i2.249

Abstract

An Internet of Things (IoT) based waste sorting device awards points to users who dispose of waste through it, as long as the user is registered in the system. However, despite these benefits, this system is vulnerable to various forms of cybercrime. One such challenge is the rise of data manipulation and cyberattacks such as sql injection and threats from internal parties (Insider Threats). This research aims to secure point data transactions in an Internet of Things (IoT) based waste sorting system integrated with blockchain technology to improve security in recording user point data. Tests were conducted to ensure that point data sent from IoT devices were successfully recorded on the blockchain network permanently and verified through transaction hashes in etherscan and to prevent sql Injection and Insider Threat attacks in attempts to illegally alter data. The results of the data transmission test to the blockchain network, which was carried out 30 times, showed that each transaction was successfully recorded and provided a transaction hash. In addition, the attack test, which was carried out 30 times, each attack resulted in a notification with the text “[PERINGATAN] Terjadi Percobaan Pengubahan Poin " in red. Using the blockchain network, both attacks failed to alter user points
Implementation of the Advanced Encryption Standard (AES) Algorithm on Access Code QR Codes in a Smart Door System Ihsan Azhar Rhamadan; Kasliono; Syamsul Bahri
Media of Computer Science Vol. 2 No. 2 (2025): December 2025
Publisher : CV. Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mcs.v2i2.258

Abstract

This research aims to design a smart door system based on QR codes with increased security using the AES-256-CBC algorithm. With AES-256-CBC encryption, the access code data sent from the device to the server is no longer in plaintext form, making it more secure from Man-in-the-Middle (MitM) attacks such as sniffing. The system utilizes ESP32-CAM to read QR codes and NodeMCU ESP32 to encrypt access data using a key hashed with SHA-256 and a 16-byte IV before being sent to the server for verification. Performance testing shows that the average delay increased from 66.4 ms to 67.46 ms after AES implementation, with a maximum value of 82 ms which is still in accordance with the TIPHON standard. On the throughput side, without AES the average is only 5.23 kbps due to shorter data, while with AES it increases to 7.30 kbps with a peak of 8 kbps due to the longer ciphertext size. The response time test recorded an average of 3830.76 ms and a maximum of 6086 ms, spanning the process from sending the code to opening the solenoid. Despite variations due to internet connection quality, delay spikes do not significantly impact system performance, indicating that the system remains secure and stable for IoT-based access control.
Co-Authors Abang Muhammad Sayudi Hamzah Adi Kurnia Asrofa, Muhammad Dito Chasandra Puspitasari Cucu Suhery Cucu Suhey Dwi Marisa Midyanti Edi Suharmono Erniajan, Yunita Fauzi, Muhammad Dzulfikar Hafiz Muhardi Halawa, Yasman Hirzen Hasfani Ihsan Azhar Rhamadan Ikhwan Ruslianto Irma Nirmala Kartika Sari Kesuma Wijaya, Uray Syaziman Laksono Kurnianggoro Linda Linda Marisa Midyanti, Dwi Meriani, Risca Mislaini Mislaini Muhammad Dito Asrofa Naufal Raihan Elriza Niken Candraningrum Ponco Sunarko Povi Povi Povi, Povi Qomarullah, Yusdi Rahmi Hidayati Rai, Randi Rajawali Rajawali Risca Meriani Riski Arasyid Riski Arasyid ROKOIYE, SITI Sabuna, Sasridarti Tari Sejahtera Suci Pania, Tika Suhardi Suhardi Suharmono, Edi Syamsul Bahri Syamsul Bahri Syamsul Bahri Tedy Rismawan Tri Handayani Uray Ristian Wahyono Wahyono Wahyu Sri Mulyani Youngky, Youngky