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All Journal SULIWA: Jurnal Multidisiplin Teknik, Sains, Pendidikan dan Teknologi JIKUM: Jurnal Ilmu Komputer
Muhammad Fauzul
Universitas Malikussaleh, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering

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Analisis Penggunaan Hash Function dan Digital Signature pada Sistem Keamanan Informasi Arya Bagas Saika; Muhammad Fauzul; Alif Akbar Rafsanjani; Rizky Hajriani Nasution; Marsha Ramadhani
JIKUM: Jurnal Ilmu Komputer Vol. 2 No. 2 (2026): JIKUM: Jurnal Ilmu Komputer, November 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v2i2.183

Abstract

Information security is a critical issue in the development of modern information systems due to increasing threats such as data manipulation, forgery, and unauthorized access. This study aims to analyze the use of hash functions and digital signatures as cryptographic mechanisms to ensure data integrity, authentication, and non-repudiation in information security systems. The research method used is a literature review by analyzing scientific journals related to the implementation of hash functions and digital signature algorithms in various information systems. The results show that hash functions play an important role in maintaining data integrity, while digital signatures provide assurance of authenticity and accountability of data transmission. The combination of hash functions and digital signatures is proven to significantly enhance the security of information systems and reduce the risk of data tampering and security breaches.
PENGARUH PERSEPSI KEMUDAHAN DAN PERSEPSI MANFAAT TERHADAP MINAT MAHASISWA MENGGUNAKAN QRIS SEBAGAI ALAT PEMBAYARAN DIGITAL Muhammad Fauzul; Taufiq Taufiq
SULIWA: Jurnal Multidisiplin Teknik, Sains, Pendidikan dan Teknologi Vol. 3 No. 3 (2026): SULIWA: Jurnal Multidisiplin Teknik, Sains, Pendidikan dan Teknologi, Nopember
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/suliwa.v3i3.361

Abstract

The Quick Response Code Indonesian Standard (QRIS) has become a national digital payment standard, and university students are among its most active potential users. This study examines the effect of perceived ease of use and perceived usefulness on students’ intention to use QRIS based on the Technology Acceptance Model. A quantitative survey design was applied, and data were collected through an online questionnaire with a five-point Likert scale from 66 active students of Universitas Malikussaleh who had used QRIS, selected by purposive sampling. The data were analysed using validity and reliability tests, classical assumption tests, and multiple linear regression. All items were valid and all variables were reliable. Perceived ease of use had a positive and significant effect on intention to use QRIS (p = 0.002), and so did perceived usefulness (p = 0.019). Simultaneously, both variables had a significant effect (F = 25.483; p < 0.001) and explained 43.0% of the variance in intention to use, with perceived ease of use as the dominant factor. However, the effect of perceived usefulness was not significant when heteroscedasticity-robust standard errors were applied, so this result should be interpreted with caution.
Co-Authors Alif Akbar Rafsanjani Arya Bagas Saika Marsha Ramadhani Rizky Hajriani Nasution Taufiq Taufiq