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All Journal TIN: TERAPAN INFORMATIKA NUSANTARA
llham Aditya Pratama
Universitas Teknologi Yogyakarta, Daerah Istimewa Yogyakarta
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Rancang Bangun Purwarupa Sistem Pewarisan Aset Digital Berbasis Dead Man's Switch Dengan Enkripsi AES-256 llham Aditya Pratama; Sutarman Sutarman; Muhammad Zakariyah
TIN: Terapan Informatika Nusantara Vol 7 No 5 (2026): October 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v7i5.11258

Abstract

Digital assets may become inaccessible to heirs when their owners die or experience emergencies. This study develops a web- and mobile-based digital inheritance prototype integrating a Dead Man’s Switch (DMS), server-side AES-256 encryption, and folder-based access control. Development followed the Waterfall model and Unified Modeling Language (UML), using Laravel for the RESTful API backend, React Native for the interface, MySQL as the database, and a cron job to check inactivity every minute. Users perform periodic check-ins; once the time limit expires, the account status changes to released and access is processed according to heirs’ permissions. Email notifications contain a download link valid for three days and a One-Time Password (OTP) for heir authentication. Black-box testing of eight functional scenarios showed that all scenarios operated as expected. Across 25 repetitions of the access-release scenario, emails arrived 4–12 seconds after the time limit was reached. Testing was limited to functionality and notification timing; load testing, penetration testing, and user evaluation were not conducted. The prototype integrates activity monitoring, data protection, and controlled cross-platform access, but does not replace a legally valid will. Further security validation and user evaluation are needed before the system is used to manage high-value digital assets.
Co-Authors Muhammad Zakariyah Sutarman Sutarman