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All Journal Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang JPM: JURNAL PENGABDIAN MASYARAKAT Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer
Nolan Efranda
Universitas Maritim Raja Ali Haji (UMRAH)
Aerospace Engineering Humanities Astronomy Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Transportation Other

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OPTIMALISASI ENKRIPSI FILE MENGGUNAKAN ALGORITMA AES-256 BERBASIS WEB DENGAN INTEGRASI KOMPRESI ADAPTIF Muhammad Irvai; Nolan Efranda
BETRIK Vol. 15 No. 03 (2024): Jurnal Ilmiah BETRIK : Besemah Teknologi Informasi dan Komputer
Publisher : PPPM Institut Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36050/bp5jnf08

Abstract

Penelitian ini bertujuan untuk mengoptimalkan enkripsi file berbasis web menggunakan algoritma AES-256 dengan integrasi kompresi adaptif. Masalah utama yang dihadapi adalah kecepatan enkripsi dan pengurangan ukuran file yang akan dikenkripsi serta file bisa retas atau dibaca oleh user lain. Proses enkripsi menggunakan algoritma AES-256 seringkali mempengaruhi ukuran file yang besar, sehingga membutuhkan waktu lebih lama untuk diproses dan mengurangi efisiensi pengiriman. Oleh karena itu, penelitian ini mengusulkan metode integrasi kompresi adaptif pada proses enkripsi untuk mengurangi ukuran file sebelum enkripsi dilakukan, sehingga meningkatkan kecepatan pengolahan tanpa mengorbankan tingkat keamanan. Model alur yang digunakan adalah metode scrum. Sistem ini diimplementasikan menggunakan teknologi berbasis website dan diuji dengan berbagai jenis file untuk menganalisis performa waktu enkripsi, ukuran file setelah kompresi, serta tingkat keamanan yang dihasilkan. Hasil penelitian menunjukkan bahwa integrasi kompresi adaptif dapat mempercepat proses enkripsi dan mengurangi ukuran file hingga 40% tanpa menurunkan kualitas enkripsi. Pengujian terhadap keamanannya juga menunjukkan bahwa algoritma AES tetap memberikan tingkat perlindungan yang sangat baik terhadap data yang dienkripsi. Penelitian ini mengintegrasikan kompresi adaptif pada algoritma AES-256 dalam enkripsi file berbasis web dapat meningkatkan efisiensi sistem, baik dari segi waktu proses maupun pengurangan ukuran file, sekaligus mempertahankan tingkat keamanan yang optimal.
Optimalisasi Pemanfaatan Teknologi Augmented Reality Dalam Pengembangan Bahan Ajar Untuk Meningkatkan Kualitas Pembelajaran Sekolah Rifaldi Herikson; Berta Erwin Slam; Feri Irawan; Nolan Efranda
JPM: Jurnal Pengabdian Masyarakat Vol. 6 No. 4 (2026): April 2026
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v6i4.2885

Abstract

The rapid development of information technology has driven a transformation in the field of education toward digital and interactive learning. One of the innovations with great potential to support the learning process is Augmented Reality (AR) technology, which can combine virtual elements with the real world in real time to create a more immersive learning experience. This Community Service Program (PKM) was carried out by the Faculty of Engineering and Maritime Technology (FTTK) of Raja Ali Haji Maritime University (UMRAH) at SD Negeri 012 Tanjungpinang Kota, with the aim of improving digital literacy and enhancing teachers’ ability to develop AR-based teaching materials. The methods used included introducing the concept of AR, conducting training on creating interactive learning media using simple devices, and providing assistance in implementing them in the classroom. The results of the program showed an increase in participants’ understanding of AR concepts, basic skills in developing AR-based media, and greater motivation among teachers to integrate technology into the learning process. This activity also raised awareness of the importance of digital innovation in improving the quality of elementary education in Tanjungpinang City. Overall, this training contributed to strengthening an educational ecosystem that is adaptive to technological developments and served as an effective collaboration model between higher education institutions and elementary schools.
Revitalization of museum collections through augmented reality to improve interactive educational services Fortia Magfira; Marisha Pertiwi; Nolan Efranda; Feri Irawan; Rifaldi Herikson; Berta Erwin Slam; Sepli Yandri; Euis Ammelia; Basyaruddin Ismail
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol. 11 No. 1 (2026): February 2026
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v11i1.16546

Abstract

Museums play an important role in preserving cultural heritage; however, limited interactive media can reduce visitor engagement and understanding. The Sultan Sulaiman Badrul Alamsyah Museum faces a similar challenge, particularly the absence of digital visualization for exclusive collections that are rarely exhibited. This community service activity aims to revitalize museum collections through the use of digital technology and Augmented Reality (AR), while also strengthening the capacity of museum staff in delivering technology-based educational services. The implementation method included socialization, training, and mentoring on the use of an AR application for museum staff and students of SMAN 1 Tanjungpinang as educational users, involving a total of 25 participants. The evaluation was conducted descriptively through direct observation and simple questionnaires to assess user understanding, operational skills, and responses to the use of AR technology. The results show that eight exclusive museum collections were successfully digitized into 3D models and integrated into an Android-based AR application. After the intervention, museum staff demonstrated improved capability in operating and utilizing the AR application as an interactive educational medium. The application shows strong potential for sustainable use as part of museum services and for supporting educational activities and school visits.
Co-Authors Basyaruddin Ismail Berta Erwin Slam Berta Erwin Slam Euis Ammelia Feri Irawan Feri Irawan Fortia Magfira Marisha Pertiwi Muhammad Irvai Rifaldi Herikson Rifaldi Herikson Sepli Yandri