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All Journal Journal of Physical Activity and Sports (JPAS) Coreid Journal
Faturohman, Ahmad
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Humanities Computer Science & IT Education Public Health Social Sciences Other

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MENINGKATKAN KETERAMPILAN SERVIS BAWAH PERMAINAN BOLA VOLI MELALUI STRATEGI PEMBELAJARAN BERDIFERENSIASI PESERTA DIDIK KELAS X SMK N 7 SEMARANG Faturohman, Ahmad; Hadi, Husnul
Journal of Physical Activity and Sports (JPAS) Vol. 5 No. 3 (2024)
Publisher : YLPK Mahardhika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53869/jpas.v5i3.258

Abstract

The purpose of this study is to improve student learning outcomes, especially the psychomotor aspect, namely lower service skills in volleyball games in class X of SMK Negeri 7 Semarang. Differentiated learning methods are used in this study. This class action research involved 36 students in class X of SMK Negeri 7 Semarang. The source of data for learning outcomes is an evaluation carried out at the end of each learning cycle and findings from teachers who teach physical education subjects in class X. Instrument to collect data through observation. documentation and tools for assessing under-service skills. Qualitative descriptive forms are used to analyze research data. documentation and tools for assessing under-service skills. Qualitative descriptive forms are used to analyze research data. The stages of data presentation include data reduction, data appearance, and conclusion drawn. The data triangulation method is used to test the validity of the data. The results of the study showed that class X students who used differentiated learning had better volleyball serving skills. In the pre-cycle, the completeness of the students' scores was 41.67%, increased to 69,44% in the first cycle, and increased again to 80,56% in the second cycle. The average score before the action was 67, but it increased to 84 in cycle II. Therefore, the research has been successful. Class X students of SMK Negeri 7 Semarang have improved their bottom service skills in volleyball games by using differentiated learning strategies.
Multi-Layer PHP Source Code Protection Model Using Encoding with Integrity Hashing and Anti-Reverse Engineering Sarmuni, Sarmuni; Rumdani, Suhaeri; Rosdiana, Anna; Khaeroni, Khaeroni; Faturohman, Ahmad; Sujianto, Devid; Rifki, Deden
CoreID Journal Vol. 4 No. 1 (2026): March 2026
Publisher : CV. Generasi Intelektual Digital

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60005/coreid.v4i1.150

Abstract

Unprotected PHP source code is vulnerable to reverse engineering, piracy, and illegal modifications. This research aims to design and develop a multi-layer PHP source code protection model that combines obfuscation techniques, multi-layer encoding, AES-256 encryption, and hashing mechanisms with anti-tamper capabilities to maintain code confidentiality and integrity. The system is also equipped with auto-restore features and panic notification via Telegram Bot that automatically restores original files and sends security warnings when illegal changes are detected. The methodology used is Research and Development (R&D), with stages including literature review, system design, prototype development, security experiments, and performance benchmarking. The expected results show that the multi-layer model can hinder reverse engineering, accurately detect file changes, and provide rapid responses via auto-restore and Telegram notifications, significantly improving PHP source code security compared to conventional encoders. The security experiments demonstrated superior protection against deobfuscation attacks, with benchmark results showing acceptable performance overhead (an average execution-time increase of 15-20ms, a CPU load increase of 8-12%, and a memory usage increase of 5-8 MB) compared to commercial encoders.
Co-Authors Husnul Hadi Khaeroni, Khaeroni Rifki, Deden Rosdiana, Anna Rumdani, Suhaeri Sarmuni, Sarmuni Sujianto, Devid