Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
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This Author published in this journals
All Journal Informatics Management, Engineering and Information System Journal Majalah Bisnis & IPTEK
Eti Rahmawati
STMIK Mardira Indonesia, Bandung
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Library & Information Science Other

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Implementation of Aes Algorithm with Data Encryption on Student Attendance for Information Security at One of The Vocational High Schools in Bandung Ika Tariska; Rohmat Nur Ibrahim; Dani Rohpandi; Eti Rahmawati
Majalah Bisnis & IPTEK Vol. 19 No. 1 (2026): Majalah Bisnis & IPTEK
Publisher : Pusat Penelitian dan Pengabdian Pada Masyarakat (P3M) STIE Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55208/bistek.v19i1.05

Abstract

This study addresses the vulnerabilities of digital attendance systems in educational institutions, particularly regarding data security. Many existing systems allow unauthorized access and manipulation due to inadequate security measures. The objective of this research is to enhance data security in the student attendance system at a vocational high school in Bandung by implementing the Advanced Encryption Standard (AES-256) algorithm. Utilizing the Waterfall methodology, the study follows a structured approach through the phases of analysis, design, implementation, and testing. Sensitive data, such as student identification numbers and attendance records, are encrypted using the AES algorithm before being stored in the database. The results reveal that the encrypted data remains secure as ciphertext and is inaccessible without the appropriate decryption key. Importantly, the implementation of the encryption does not compromise the system's performance. Overall, this study contributes valuable insights into enhancing data security measures for digital attendance systems, offering a robust solution that protects sensitive information while maintaining functionality.
Optimization Of Delivery Routes Using The Bellman-Ford Algorithm: A Study Of A Shipping Company Reinalda Renis Wati Halawa; Jajat Sudrajat; Nanang Suciyono; Eti Rahmawati
Informatics Management, Engineering and Information System Journal Vol. 3 No. 2 (2025): Informatics Management, Engineering and Information System Journal
Publisher : LPPM STMIK Mardira Indonesia

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Abstract

This study focuses on enhancing the delivery routes for a logistics firm, a courier and logistics service provider, which is undergoing rapid expansion in Indonesia.  The substantial rise in delivery volume has presented numerous challenges, particularly regarding route efficiency.  Inefficient routes result in time wastage, increased operational expenses, and reduced client satisfaction due to delivery delays. This research employs the Bellman-Ford Algorithm, recognized for its capacity to handle graphs with negative weights and efficiently determine the shortest paths.  This algorithm was selected for its ability to provide precise solutions in complex scenarios, such as within the vast and dynamic delivery network of the logistics firm.  This method is implemented through the creation of a web-based application designed to optimize delivery routes in real-time. The application is expected to reduce both time and delivery expenses while simultaneously enhancing customer satisfaction through the timely arrival of items.  This research significantly advances the disciplines of logistics and information technology by presenting a novel strategy for resolving operational issues in the courier sector.  This study provides practical insights for the logistics industry while also contributing to the scholarly literature on delivery route optimization.
Co-Authors Dani Rohpandi Ika Tariska Jajat sudrajat Nanang Suciyono Reinalda Renis Wati Halawa Rohmat Nur Ibrahim