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All Journal Jurnal Simantec Jurnas Nasional Teknologi dan Sistem Informasi JOIV : International Journal on Informatics Visualization JIKO (Jurnal Informatika dan Komputer) JURNAL PengaMAS Digital Zone: Jurnal Teknologi Informasi dan Komunikasi Jurnal Sistem Cerdas Building of Informatics, Technology and Science Jurnal Abdimas Mandiri Jurnal Ilmiah Ilmu dan Teknologi Rekayasa Jurnal Pengabdian UNDIKMA Jurnal ABDIMAS (Pengabdian kepada Masyarakat) UBJ International Journal of Global Operations Research Green Intelligent Systems and Applications JURNAL POLI-TEKNOLOGI J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Journal of Computer Engineering, Electronics and Information Technology Power Elektronik : Jurnal Orang Elektro In Search (Informatic, Science, Entrepreneur, Applied Art, Research, Humanism)
Deden Pradeka
Universitas Pendidikan Indonesia
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Design and Build an Assessment Platform by Inserting Moodle-Based Cryptographic Methods Pradeka, Deden; Adiwilaga, Anugrah; Agustini, Devi Aprianti Rimadhani; Suheryadi, Adi; Nuriman, Rizki
Jurnal Nasional Teknologi dan Sistem Informasi Vol 9 No 3 (2023): Desember 2023
Publisher : Departemen Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v9i3.2023.264-270

Abstract

The use of digital platforms in the learning process is increasing, especially in the context of assessment activities. In this context, it is essential to realize that digital platforms can be subject to attack or fraud by irresponsible parties. It is due to the presence of sensitive data and/or restricted to a limited number of authorized persons. Therefore, the protection of data and its security in using digital platforms is very important. To enhance this layer of security in data protection, cryptographic methods play a crucial role in maintaining information security. By applying cryptographic methods to learning platforms for assessment purposes, we can increase the security and integrity of the data involved in the assessment process. This research aims to produce a plugin that can be used on a Moodle-based Learning Management System (LMS). This plugin will provide an additional activity in the form of an assessment activity with an essay exam type. When this plugin is used, all questions and answers will be encrypted into text that is difficult to understand by unauthorized parties when an attack attempt occurs. In this way, the learning platform for assessment purposes can safeguard and protect data from access by irresponsible parties.
PELATIHAN MULTIMEDIA BERBASIS GAME SEBAGAI ALTERNATIF MEDIA PEMBELAJARAN PADA GURU DI KABUPATEN PANGANDARAN Munawir, Munawir; Adiwilaga, Anugrah; Suteddy, Wirmanto; Agustini, Devi Aprianti Rimadhani; Pradeka, Deden; Putra, Muhammad Taufik Dwi; Septiana, Asyifa Imanda
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Publisher : LPPM UNIVERSITAS KHAIRUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/pengamas.v6i3.7037

Abstract

Kegiatan Pengapdian ini bertujuan untuk menginvestigasi dan mengimplementasikan multimedia berbasis game sebagai alternatif media pembelajaran untuk guru di Kabupaten Pangandaran. Media interaktif ini dirancang menggunakan Microsoft PowerPoint yang dikemas dalam bentuk game, dengan harapan dapat meningkatkan efektivitas dan keterlibatan guru dalam proses pembelajaran. Metodologi penelitian melibatkan tahap desain, pengembangan, implementasi, dan evaluasi. Desain multimedia didasarkan pada prinsip-prinsip pembelajaran yang menarik dan berfokus pada penyampaian materi dengan pendekatan yang interaktif. Proses pengembangan melibatkan pemilihan konten yang relevan dengan kebutuhan guru di Kabupaten Pangandaran dan penyesuaian elemen-elemen game agar sesuai dengan kebutuhan pembelajaran. Implementasi media interaktif dilakukan melalui pelatihan kepada sejumlah guru sebagai kelompok uji coba. Evaluasi dilakukan dengan mengumpulkan data dari kuesioner pra dan pasca kegiatan. Analisis data dilakukan untuk mengukur tingkat keefektifan, keterlibatan, dan respons guru terhadap media pembelajaran berbasis game. Hasilnya rata-rata 75% setuju bahwa penggunaan power point sebagai media pembelajaran bermanfaat dalam meningkatkan semangat siswa, memudahkan penyampaian materi juga memudahkan siswa dalam memahami materi. Respon positif setalah kegiatan pelatihan dari peserta tercermin bahwa 90% dari mereka bersemangat untuk mencoba membuat media pembelajaran berbasis PowerPoint sesuai dengan yang diajarkan dalam pelatihan, serta menggunakannya dalam proses pembelajaran dan sebanyak 86% peserta menyatakan bahwa pelatihan berhasil meningkatkan kemampuan mereka, terutama dalam pembuatan media pembelajaran interaktif. Hasil penelitian diharapkan dapat memberikan pemahaman lebih dalam tentang potensi penggunaan multimedia berbasis game dalam konteks endidikan guru di Kabupaten Pangandaran. Implikasi praktis penelitian ini diharapkan dapat meningkatkan minat dan motivasi guru untuk memanfaatkan teknologi multimedia dalam proses pembelajaran, sehingga mendukung peningkatan kualitas endidikan di daerah tersebut
Implementation of Least Significant Bit Steganography with Caesar Cipher Layout Dvorak web-based Kurnia, Ridhwan Nadif; Pradiptha, Al Diras; Permana, Muhammad Fajar Jati; Dipradja, Kimberly Alfa; Afrizal, Rizki; Pradeka, Deden; Khaerunnisa, Zahra
Jurnal Simantec Vol 14, No 1 (2025): Jurnal Simantec Desember 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/simantec.v14i1.28794

Abstract

Secure data communication is an essential requirement in the digital age, especially in the exchange of confidential information. One of the main problems is the potential for eavesdropping by unauthorised parties who can access open messages. To overcome this, this research aims to develop a website-based system that combines the Least Significant Bit (LSB) method steganography technique and the Caesar cipher method cryptography with the Dvorak keyboard layout to increase data security. The research method used is prototype method with the stages of concept formulation, prototype design, and continuous evaluation. The system was tested by inserting the word ‘TEKKOM’ into a digital image and measuring the quality using Mean Squared Error (MSE) and Peak Signal-to-Noise Ratio (PSNR). The test results show an MSE value of 0.0001466049 and PSNR of 86.47 dB, which means that the visual quality of the image does not decrease significantly and the message is successfully inserted and extracted without errors. The Dvorak keyboard layout adds a layer of security through uncommon input patterns, making it difficult for outsiders to analyse. Thus, the system is able to provide a secure, efficient, and practical solution for web-based information hiding without the need for a database and is still user-friendly.Keywords: Dvorak, Steganography, Caesar Cipher, Least Significant Bit, Website
Co-Authors Abdullah Muadz Nadzir Azhar Abdurrahman, Hammam Adi Suheryadi Adiwilaga, Anugrah Afrizal, Rizki Agus Juhana Ahdini, Allifia Alfarisi, Farhan Siddiq Ana Rahma Yuniarti Andhika R, Muhammad Auriel, Muhammad Deandy Zahran Vierdansyah Devi Aprianti Rimadhani Agustini Dhimaz Purnama Adjhi DIAN ANGGRAINI Dipradja, Kimberly Alfa Farisi, Farhan Siddiq Al Fauziah, Rahmah Fitriyani , Anisa Ghalbin Al Ghafiqi Graha Prakarsa Hendriyana Hendriyana Humaira, Syifa Aqila Ikhsaniyah, Najwa Jorgha Akram Aryandi Kartikasari, Ria Yuliani Khaerunnisa, Zahra Khoir, Farhan Ramadhan Kurnia, Ridhwan Nadif M. Ridwan Sutisna Manurung, Ferdinand Aprillian Maulana, Rajih Nibras Muhammad Azfa Faadhilah Muhammad Azmi Nugraha Muhammad Fahmi Pratama Muhammad Rizal Hanafi Munawir Munawir Munawir Munawir Nugraha, Wildan Tisna Surya Nuriman, Rizki Pararta, Muhammad Salam Permana, Muhammad Fajar Jati Pradana, Hilmil Pradiptha, Al Diras Putra, Muhammad Taufik Dwi Rizki Nuriman Sadik, Jafar Salman Abdul Jabbaar Wiharja Saragi, Muhammad Salam Pararta Septiana, Asyifa Imanda Suheryadi, Adi Sundari, Firda Rosela Syifaul Fuada Wiharja, Salman Wirmanto Suteddy Yahya Aliman Aidil Basith Zuhairmawan, Muhammad Tiar