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Desain dan Implementasi Aplikasi Steganografi Dual Mode Berbasis Java untuk Menyembunyikan Pesan Teks dan Gambar Sundari, Siti; Vazira, Mauliza; Fitri, Monica Annisa; Hafizah, Hafizah
JIKUM: Jurnal Ilmu Komputer Vol. 2 No. 2 (2026): JIKUM: Jurnal Ilmu Komputer, November 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v2i2.201

Abstract

Steganography is a method of protecting information by hiding secret messages within a carrier medium, making their presence difficult for others to detect. This research aims to design and build a Java-based dual-mode steganography application that can hide text messages within text (text-to-text) and image messages within text (text-to-image). This application was created using the Java programming language with an object-oriented programming approach, and utilizes the Base64 encoding technique as a means of embedding data. The research methods applied included requirements analysis, system design, implementation, and application testing. The test results demonstrated that this application can effectively hide and extract text messages and images, while using a password as an additional layer of security. We hope this application can be a practical solution for maintaining the confidentiality of digital data, while also serving as a useful steganography learning tool for students.
AKTIVITAS ANTIJAMUR FRAKSI DAUN MANGKOKAN (Polyscias scutellaria) TERHADAP JAMUR TRICHOPHYTON RUBRUM Rury Trisa Utami; Sri Hainil; Hesti Marliza; Hafizah, Hafizah
Nusantara Hasana Journal Vol. 5 No. 10 (2026): Nusantara Hasana Journal, March 2026
Publisher : Yayasan Nusantara Hasana Berdikari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59003/nhj.v5i10.1922

Abstract

One of the natural ingredients that are often used as medicinal plants is mangkokan leaves (Polyscias scutellaria). Mangkokan leaves have the potential as an antifungal. Trichophyton rubrum is a fungus that infects human skin. The purpose of this study was to determine the antifungal activity of mangkokan leaf fractions (Polyscias scutellaria) against Trichophyton rubrum fungi. Fractionation was carried out using the liquid-liquid method using n-hexane, ethyl acetate and ethanol-water solvents. Testing was carried out using the disc paper diffusion method. The concentration of the fraction extract used was 600 µg/disk. The results showed that of the three fractions of mangkokan leaves (Polyscias scutellaria), the ethyl acetate fraction and the ethanol-water fraction had antifungal activity, while the n-hexane fraction did not have antifungal activity. Based on the research that has been done, it can be concluded that the fraction of mangkokan leaves (Polyscias scutellaria) has antifungal activity against Trichophyton rubrum fungus. Of the three fractions tested, the ethanol-water fraction has the highest antifungal activity with an average inhibition zone of 11.3 mm against Trichophyton rubrum fungus, the ethyl acetate fraction has an inhibition zone with an average of 4.5 mm while the n-hexane fraction has no inhibition zone. The three fractions have been compared with ketoconazole 30 µg/disk as a positive control and 10% DMSO as a negative control. From the comparison of fraction measurements against the positive control, the ethanol-water fraction is included in the strong category and the ethyl acetate fraction is included in the weak category.
Co-Authors Abdullah, Murad Hameed ahmad arifin Almaisarah, Almaisarah Amri, Elvianti Andayani, Geci Anisah, Ariyun Annisa Mahfuzah ANNISA SAYYID Ansoriah, Latifah Al APRIYANTI WIDIANSYAH Ardiah, Eliza Putri Arfah, Yenni Astuti - Asyahri, Yusuf Atika Zahra Maulida Aulia Arief Nasution Aziz, Al’ Azizi, Fadli Azwar Ananda Baitika Arfah, Syahrina Decenni Amelia Denok Tri Hardiningsih Dewi, Afni Ratna Dewi, Zulfiana SKM Dian Hartanti Dwiyanthi, Sheilla Eko Priyo Purnomo Eldin Maulana Esa Indah Ayu, Esa Indah Farhana, Husna Fitri, Monica Annisa Gamiarsih, Antika Hafizah Hafizah Hairul Amin Hesti Marliza Ibermarza, Ibermarza Ifan Iskandar Indah Putry Yeni Juwita Kusuma Dewi, Juwita Kusuma Ken Azzura Fernando Khairani, Indah Khairina, Nadia Khairunnisya, Khairunnisya Kirana, Andi Chandra Lukman Hakim Lutfah Auliya Karnama M. Imamuddin Mariyadi mariyadi Miftahurrahma, Miftahurrahma Mudjiran Mudjiran MUHAMMAD ILHAM Ningrum, Desy Tya Maya Ninuk Lustyantie Noviardila, Iska Nur Abda Qolbu, Ledy Thalia Nurhizrah Gistituati Nuruddin, Nuruddin Pohan, Nadhiva Nurhaliza Putri, Yulia Rizky Rahayu, Indah Dwi Rajagukguk, Frederik Rudy Sentosa Redhana Aulia Ridhah, Habibatur Rifi Hamdani Lubis, Rifi Hamdani Rika Widianita Rila Rahma Mulyani Rini Simamora, Indah Anda Rizqia, Rizqia Romdani, Romdani Rury Trisa Utami Rusdinal, Rusdinal Saputra, Rahmat Sari, Atika Pratama Sari, Evin Noviana Sarip, Moh. Siti Sundari Sri Hainil SRI RAHAYU Sulvianti, Arifah Suzan, Raihanah Syafi’i, Indra Syahputra, Yopi Hendro Tugiono, Tugiono Tumanggor, Imelda Anastasya Carolima ujati, Pinjung Vazira, Mauliza Vevi Sunarti Widiansyah , Apriyanti Wiseza , Fitria Carli Yafi Velyan Mahyudi Yanti Yanti Yeni Widowaty Yusri, Hilman Zahra Nur Amalina Zougira, Hikmah