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All Journal JOURNAL OF INFORMATION SYSTEM MANAGEMENT (JOISM) Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Muhammad Agung Nugroho
Universitas Telkom
Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Engineering Public Health Social Sciences

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An Analysis Of The Spring Water Potential Utilization For Bottled Water Production In Glempang Village, Banyumas Regency: Analisis Potensi Pemanfaatan Mata Air Untuk Air Kemasan Di Desa Glempang Kabupaten Banyumas Muhammad Agung Nugroho; Rakhmad Maulidi; Eka Sahputra
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 9 No. 3 (2025): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

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Abstract

This community service activity aims to analyze the potential use of spring water for bottled water production in Glempang Village, Banyumas Regency, using the SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis method. The analysis results show that this village has great potential, supported by good water quality, a strategic location in the upstream area, high community participation, and existing infrastructure such as reservoirs. Local bottled water market opportunities and support from government programs create favorable conditions. However, there are challenges such as technical and financial limitations, inadequate infrastructure, and the threat of climate change and environmental degradation. The analysis results conclude that the development of the bottled water industry can be a model for a sustainable village economy, if managed well through strategic partnerships, capacity building, investment in appropriate technology, and a strong water quality management system.
IMPLEMENTASI GABUNGAN AES-256 DAN RSA DENGAN METODE LSB UNTUK KEAMANAN DATA Bintang Kusuma Ilham; Muhammad Fajar Sidiq; Muhammad Agung Nugroho; Trihastuti Yuniati
Journal of Information System Management (JOISM) Vol. 7 No. 2 (2026): Januari
Publisher : Universitas Amikom Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/joism.2026v7i2.2477

Abstract

Penelitian ini mengembangkan sistem keamanan data yang menggabungkan enkripsi ganda (AES-256 CBC dan RSA-2048) dengan steganografi Least Significant Bit (LSB) pada gambar PNG. Dibangun menggunakan Python dengan Tkinter, sistem ini menangani enkripsi/penyisipan, ekstraksi/dekripsi, dan evaluasi kinerja. Pengujian pada lima gambar PNG dengan ukuran teks bervariasi menunjukkan penyembunyian data yang berhasil. Rata-rata MSE adalah 0,0263730426 dan PSNR 64,3427895234 dB. Pesan asli berhasil dipulihkan sepenuhnya. Efisiensi sistem ditunjukkan oleh rata-rata waktu eksekusi 92,376 ms untuk enkripsi dan 370,392 ms untuk dekripsi, dengan penggunaan memori yang rendah. Kapasitas steganografi mendekati batas teoretis. Sistem ini terbukti efektif dalam mengamankan data teks dan memenuhi semua tujuan penelitian.
Co-Authors Bintang Kusuma Ilham Eka Sahputra Muhammad Fajar Sidiq Rakhmad Maulidi Trihastuti Yuniati