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All Journal SMATIKA JPM (Jurnal Pemberdayaan Masyarakat) Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Rainstek : Jurnal Terapan Sains dan Teknologi BIMASAKTI KOPEMAS Informasi interaktif : jurnal informatika dan teknologi informasi Smatika Jurnal : STIKI Informatika Jurnal
Akhmad Zaini
Universitas PGRI Kanjuruhan Malang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Implementasi Virtual Reality Counseling Berbasis Metaverse untuk Meningkatkan Keterampilan Konseling Guru Bimbingan Konseling Kota Malang Imam Ariffudin; Ajeng Intan Nur Rahmawati; Akhmad Zaini
Jurnal Pemberdayaan Masyarakat Vol 10 No 1 (2025): Mei
Publisher : Direktorat Penelitian dan Pengabdian kepada Masyarakat (DPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/jpm.v10i1.11014

Abstract

This community service program aims at enhancing the counseling skills of vocational school guidance and counseling teachers (MGBK) in Malang through the implementation of Virtual Reality (VR) technology based on the metaverse. Initial survey results indicated that most BK teachers faced difficulties in utilizing digital technology, especially VR, and continued to manage counseling services using conventional methods. These challenges affected the effectiveness of service documentation and the comfort of the counseling environment. The program was carried out in four main stages: socialization, training, mentoring, and evaluation. This approach allowed counseling sessions to be conducted online in a flexible way. BK teachers were trained to use konse-link.com as a platform for managing counseling services, including appointment scheduling, documentation, and conducting sessions within a virtual environment. Evaluation results showed significant improvement on teachers’ understanding and skills in using VR and LMS platforms, along with an increase in the frequency of services provided. Student responses were also positive; they reported feeling more comfortable, open, and supported in expressing their concerns through virtual counseling approaches. This program is expected to serve as a sustainable solution for improving the quality of guidance and counseling services in vocational schools, in line with technological developments in education.
ANALISIS PERBANDINGAN PERFORMA GALOIS COUNTER MODE (GCM) PADA AES DAN CAMELLIA UNTUK ENKRIPSI DAN DEKRIPSI DATA Usman Hidayatulloh Sidiq; Akhmad Zaini; Danang Aditya Nugraha
Informasi Interaktif : Jurnal Informatika dan Teknologi Informasi Vol 11 No 2 (2026): Jurnal Informasi Interaktif
Publisher : Program Studi Informatika Fakultas Teknik Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Digital data security has become a critical necessity in tandem with the increasing threats to information confidentiality and integrity in the modern era. The Advanced Encryption Standard (AES) and Camellia are to internationally standardized block cipher algorithms with equivalent security levels but distinct internal structures. The Substitution-Permutation Network (SPN) in AES and the Feistel Network in Camellia result in different performance characteristics. The lack of comprehensive research comparing both algorithms in Galois Counter Mode (GCM) using multithreading and hardware acceleration parameters serves as the background for this study. This research aims to compare the performance of AES and Camellia in GCM based on parameters including key size, file size, mode of operation, multithreading, and hardware acceleration. The implementation was conducted using the Java programming language and the BouncyCastle library. The result indicate that AES is superior, exhibiting a 30% higher processing rate. Multithreading efficiency is optimal at 2 threads but decreases at 8 threads due to thread management overhead. Hardware acceleration yields varied impacts, such as accelerating encryption time and slowing down the decryption time for AES. Overall, AES demonstrates superior performance, whereas Camellia remains competitive under specific conditions.
Co-Authors Abdul Aziz Ajeng Intan Nur Rahmawati Ali Mahmud Da Frosa, Bibiana Danang Aditya Nugraha Diana Pungki Endi Sarwoko Enike Dwi Kusumawati Heri Santoso Heri Santoso Hestiningtyas Yuli Pratiwi Imam Ariffudin Kadek Dwi Hendratma Gunawan Kinta Ramayanti Moh Ahsan Muhammad Nur Hudha Nur Hikmah Nurul Ain Pieter Sahertian Rizka Laela Saputri Ramadhanti Rohman, Ahmad Zainur Salsabila Kholifahtun Nisa’ Sudi Dul Aji Sulistyanto, Muhammad Priyono Tri Usman Hidayatulloh Sidiq Windy Syarifudin