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All Journal Information Technology and Telematics Dinamik Bulletin of Electrical Engineering and Informatics JUSIFO : Jurnal Sistem Informasi Suhuf Jurnal Teknoinfo Jurnal Sisfokom (Sistem Informasi dan Komputer) Jurnal Teknik Informatika UNIKA Santo Thomas KACANEGARA Jurnal Pengabdian pada Masyarakat J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Tekno Kompak Jurnal Teknologi Dan Sistem Informasi Bisnis Jurnal Informatika dan Rekayasa Perangkat Lunak Jurnal Pengabdian Masyarakat Bumi Raflesia JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Jurnal Rekayasa Industri (JRI) Jurnal Tunas Infotek : Jurnal Informatika dan Teknologi Dinamika Informatika: Jurnal Ilmiah Teknologi Informasi J-SAKTI (Jurnal Sains Komputer dan Informatika) Bulletin of Information Technology (BIT) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Masyarakat Intimas (Jurnal INTIMAS): Inovasi Teknologi Informasi Dan Komputer Untuk Masyarakat Duta Abdimas: Jurnal Pengabdian Masyarakat Jurnal Pendidikan Indonesia (Japendi) Jurnal Pengabdian Pada Masyarakat ITIJ Journal of Innovative and Creativity Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Masyarakat Berkarya: Jurnal Pengabdian dan Perubahan Sosial Servis : Jurnal Pengabdian dan Layanan kepada Masyarakat
Eko Nur Wahyudi
Universitas Stikubank
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Pemanfaatan Gemini AI untuk Kreasi Konten Visual Promosi UMKM Kota Semarang Rara Sriartati Redjeki; Eko Nurwahyudi; Purwatiningtyas Purwatiningtyas; Budi Hartono; Theresi Dwiati Wismarini
Masyarakat Berkarya : Jurnal Pengabdian dan Perubahan Sosial Vol. 2 No. 4 (2025): November : Masyarakat Berkarya : Jurnal Pengabdian dan Perubahan Sosial
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/karya.v2i4.2240

Abstract

This community service activity stems from a core challenge faced by Micro, Small, and Medium Enterprises (MSMEs) in Semarang City: the difficulty in consistently producing high-quality promotional visual content, primarily due to budget constraints and the lack of professional design skills. This condition severely hampers their competitiveness in the digital marketplace. The main goal of this activity was to enhance the technical capability of MSME participants in using Gemini AI as a multimodal model to generate professional, ready-to-use visual assets, thereby achieving significant cost and time production efficiency. The solution offered was a hands-on training focusing on Prompt Engineering defined as the art of formulating detailed commands to control the AI's output. The activity was conducted through an intensive workshop and case study mentorship for 25 MSME actors. The evaluation results demonstrated a highly significant increase in competence. The participants' average cognitive score drastically rose from 48.5% on the pre-test to 87.9% on the post-test, proving the successful mastery of Prompt Engineering. Applied results showed that participants were able to produce product visual assets with an average quality of 87.5%. Participant satisfaction reached 95.0%, especially concerning the indicators of cost and time efficiency. This activity successfully democratized design, empowering MSMEs to be self-sufficient in content production, and tangibly strengthening their brand identity and competitiveness across digital platforms.
Adopsi Generator Kunci Euler Number dan Pembangkit Kunci Blum Blum Shub untuk Meningkatkan Confidentiality Level pada Extended Vigenere Ardhianto, Eka; Redjeki, Rara Sriartati; Supriyanto, Edy; Murti, Hari; Wahyudi, Eko Nur
Infotek: Jurnal Informatika dan Teknologi Vol. 7 No. 1 (2024): Infotek : Jurnal Informatika dan Teknologi
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jit.v7i1.21512

Abstract

Algoritma Vigenere merupakan model algoritma enkripsi yang masih dikembangkan dalam bidang keamanan informasi saat ini. Salah satu aspek yang dianggap penting dalam bidang keamanan informasi adalah kerahasiaan. Masalah pencapaian kerahasiaan pesan atau informasi yang tinggi sangat penting dalam bidang keamanan informasi. Extended Vigenere dikenal sebagai evolusi dari Vigenere yang menerapkan lebih banyak set karakter. Salah satu pengembangan algoritma Vigenere adalah dengan memodifikasi generator kunci yang digunakan. Eksperimen ini bertujuan untuk menguji pengaruh kerahasiaan informasi pada penggunaan generator kunci Blum Blum Shub (BBS) dan nomor Euler yang diterapkan pada Extended Vigenere. Metode pembangkitan kunci BBS dan nomor Euler digunakan secara berurutan. Sebagai metrik pengukuran, perhitungan entropi dari keluaran Extended Vigenere digunakan. Hasil yang diperoleh berupa peningkatan kerahasiaan informasi yang signifikan dengan nilai entropy achievement lebih dari 79% dari entropy optimum.
Pendekatan Holistik Dalam Penciptaan Logo Produk Melalui Integrasi Socio-Technical Systems dan Design Thinking Retnowati, Retnowati; Anjarsari, Vici Tiara; Wahyudi, Eko Nur; Mukti, Artin Bayu; Hardiyanti, Widhian
Jurnal Pendidikan Indonesia Vol. 6 No. 1 (2025): Jurnal Pendidikan Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/japendi.v6i1.1568

Abstract

Penelitian ini mengintegrasikan pendekatan Socio-Technical Systems (STS) dan Design Thinking untuk menciptakan logo produk minuman herbal yang holistik dan sesuai dengan kebutuhan pengguna. Proses desain dimulai dengan tahap Empathize untuk memahami preferensi visual, nilai-nilai konsumen, dan kebutuhan informasi tentang produk alami. Tahap berikutnya melibatkan pengembangan konsep kreatif melalui brainstorming di tahap Ideate, diikuti dengan pembuatan prototipe yang diuji dalam berbagai media pada tahap Prototype. Pengujian logo dilakukan menggunakan System Usability Scale (SUS) untuk mengukur kegunaan dan kepuasan pengguna terhadap logo yang dihasilkan. Hasil penelitian menunjukkan bahwa integrasi STS dan Design Thinking secara efektif menghasilkan logo yang relevan secara estetika, fungsional, dan diterima oleh audiens target. Pendekatan ini dapat digunakan dalam proyek desain lain yang memerlukan keseimbangan antara elemen sosial dan teknis.
Peningkatan Kapasitas Pendamping UMKM dalam Menjaga Kerahasiaan Data Pribadi Klien pada Komunitas Aurum First Sunrise di Surakarta Jawa Tengah Wahyudi, Eko Nur; Handoko, Widiyanto Tri; Lestariningsih, Endang
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2026): Februari: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v6i1.7393

Abstract

This community service activity aimed to enhance the security and efficiency of halal certification mentoring services at the Aurum First Sunrise community in Surakarta. The main challenge faced by the partner was the risk of sensitive SME data leakage such as ID cards, recipes, and supply chain information, due to the lack of an adequate document security mechanism. The core solution implemented was Technology Implementation in the form of a Cryptographically-based Document Management Information sistem (utilizing the Light Weight PDAC algorithm) integrated with digital access rights management and user Training. Evaluation demonstrated successful implementation, evidenced by an increase in the average satisfaction of SMEs regarding data security to 97.8%, confirming enhanced trust. Furthermore, digitalization successfully improved the efficiency of the mentoring team, reflected by a satisfaction score of 85.0%. In conclusion, this service successfully transformed the partner into a secure, efficient, and credible mentoring institution, significantly supporting SMEs in accessing halal certification.
Co-Authors . Narwati Adi Suryanto Adi, Triatmojo Agus Prasetyo Utomo Ali Maskur Andreantoni, Jefry Arief Jananto Arief Susanto Artin Bayu Mukti Azhari, Andi Budi Hartono budi hartono Cahyono, Taufik Dwi Cici Suhartini Dwi Agus Diartono Dwi Budi Santoso Edy Supriyanto Edy Supriyanto Edy Supriyanto Eka Ardhianto Endang Lestariningsih Fatkhul Amin Fitika Andraini Hardiyanti, Widhian Hari Murti Hari Murti Heribertus Yulianton Herny Februariyanti Herny Februariyanti Hersatoto Listiyono Imam Husni Al Amin Jati Sasongko Wibowo Kristophorus Hadiono Kurniawan, Harnanda Cahya LUKITO, ADAM Mardi Siswo Utomo Mohamad Ali Muhammad A.R. Hidayat Novita Mariana P Purwatiningtyas Purwatiningtyas Purwatiningtyas Purwatiningtyas Purwatiningtyas Purwatiningtyas Purwatiningtyas, P R. Soelistijadi Radyanto, Mohammad Riza Rara Sri Artati Redjeki Retnowati Retnowati Retnowati Retnowati Retnowati Reza Haris Alfikri Rizal, Ansar Sariyun Naja Anwar Setyawan Wibisono Sri Mulyani Sri Mulyani Sugiyamto Sugiyamto, Sugiyamto Sulastri Sunardi Sunardi Suparmanto, Lulut Taufiq Dwi Cahyono Teguh Khristianto Theresi Dwiati Wismarini Theresia Dwiati Wismarini Veronica Lusiana Vici Tiara Anjarsari Wahrudin, Wahrudin Widianto Tri Handoko Widiyanto Tri Handoko Wismarini, Th Dwiati Wiwien Hadikurniawati Yohanes Suhari Yunus Anis Yunus Anis, Yunus Ziana, Liana Rahma Zuly Budiarso