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All Journal Jurnal Ilmiah Teknik Informatika dan Komunikasi Saturnus: Jurnal Teknologi dan Sistem Informasi
Laila Ali Putri
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Computer Science & IT Electrical & Electronics Engineering

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Pengaruh Kuat Arus Listrik terhadap Medan Magnet di Sekitar Kawat Lurus Berarus Adelyna Oktavia Nasution; M. Wira Adhitya; Nazhiful Abid; Sazwani Ardhia Sahira; Laila Ali Putri
Jurnal Ilmiah Teknik Informatika dan Komunikasi Vol. 5 No. 1 (2025): Maret-Juni : Jurnal Ilmiah Teknik Informatika dan Komunikasi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juitik.v5i1.1286

Abstract

The results of this study aim to investigate the significant impact of electric currents on the magnetic fields surrounding a straight wire conducting current. This phenomenon is a result of the relationship between electric current and magnetic fields, making it a primary focus of scientific research in the field of physics. The method used in this research is descriptive quantitative, with a thorough analysis of the magnetic effects produced by copper wire applied to iron nails. This study found that the intensity of the magnetic field is very high when the number of copper wire turns reaches 20 turns, resulting in an increase in the attracted nails to 10 nails. This shows that the addition of the number of turns affects the magnetic strength in influencing ferromagnetic objects. This research provides a clear depiction of the relationship between electric current and magnetic fields.
Design Of A Transaction Data Security System In A Bouqet Sales Application Using An Aes Algorithm Ibnu Rusydi; Laila Ali Putri; Maria Ulfa
Saturnus: Jurnal Teknologi dan Sistem Informasi Vol. 4 No. 1 (2026): Januari : Saturnus: Jurnal Teknologi dan Sistem Informasi
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/saturnus.v4i1.1422

Abstract

This research presents the development of a transaction data protection mechanism for a bouquet sales application by utilizing the Advanced Encryption Standard (AES) algorithm. The rapid growth of digital commerce has led to an increase in online transactions, which in turn raises serious concerns regarding the security of sensitive transaction data. Information such as customer identities, order details, delivery addresses, and payment data are vulnerable to unauthorized access, data leakage, and manipulation if not properly secured. To address these issues, this study applies the AES-128 encryption algorithm using a 128-bit secret key to secure transaction data before it is stored in the system database. The encryption process follows the standard AES workflow, including key expansion, initial transformation, multiple encryption rounds, and a final transformation stage. Decryption is restricted exclusively to authorized users who possess the correct encryption key. The research methodology includes system analysis, AES integration into the application, and functional testing of the encryption and decryption processes. Data integrity is validated by comparing the original plaintext with the decrypted output, while system performance is evaluated based on processing time and decryption accuracy. Experimental results indicate that the average encryption and decryption time remains under 10 milliseconds per transaction, without affecting system performance. The findings confirm that AES-128 effectively enhances transaction data confidentiality and integrity in the bouquet sales application
Co-Authors Adelyna Oktavia Nasution Ibnu Rusydi M. Wira Adhitya Maria Ulfa Nazhiful Abid Sazwani Ardhia Sahira