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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Jurnal Teknik Kimia USU Maspari Journal Jurnal Teknik Mesin Jurnal Dimensi Animal Production : Indonesian Journal of Animal Production Jurnal SOLMA Jurnal Biologi Tropis Jurnal Basicedu Voices of English Language Education Society Jurnal Riset Informatika Jurnal Medika Malahayati JISIP: Jurnal Ilmu Sosial dan Pendidikan Jurnal Surya BIMIKI (Berkala Ilmiah Mahasiswa Ilmu Keperawatan Indonesia) International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) MEANS (Media Informasi Analisa dan Sistem) Jurnal Kesehatan Tambusai Jurnal Riset dan Inovasi Pembelajaran Nusantara Hasana Journal DIKSI: Jurnal Kajian Pendidikan dan Sosial Binawan Student Journal Civil Officium: Journal of Empirical Studies on Social Science Abiwara : Jurnal Vokasi Administrasi Bisnis Jurnal Locus Penelitian dan Pengabdian Jurnal Teknik Kimia USU Kolaborasi Jurnal Pengabdian Masyarakat Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Basicedu JoEELE SEIKAT: Jurnal Ilmu Sosial, Politik dan Hukum Journal of Artificial Intelligence and Digital Business Jurnal Keperawatan Profesional (KEPO) JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Keperawatan Jurnal Pustaka Keperawatan Jurnal Akademik Pengabdian Masyarakat Journal of Geographical Sciences and Education Jurnal Kesehatan Jurnal Keperawatan Mandira Cendikia (JKMC) Frasa: Jurnal Keilmuan Bahasa, Sastra dan Pengajarannya Tafani PLENARY HEALTH : Jurnal Kesehatan Paripurna Journal of Nursing and Health Science Balance: Jurnal Ekonomi
Ayu Pratiwi, Ayu
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Veterinary Other

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Journal : Jurnal Riset Informatika

 1 
IMPLEMENTATION OF RSA ASYMMETRIC CRYPTOGRAPHY USING GPG AND KLEOPATRA FOR SCHOOL DATA SECURITY Pratiwi, Ayu; Tahir, Muhlis; Nawafilillah; Almas Alvaradis, Ach
Jurnal Riset Informatika Vol. 7 No. 3 (2025): Juni 2025
Publisher : Kresnamedia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34288/jri.v7i3.360

Abstract

Digital transformation drives the need for reliable data security systems to protect sensitive information from unauthorized access. This study aims to implement and analyze the use of the RSA cryptographic algorithm based on GPG (GNU Privacy Guard) software and the Kleopatra interface in securing school data. The research method employed is descriptive experimentation with a qualitative approach, conducted at SMK Al-Aziziyah Kwanyar in April 2025. The simulation includes RSA key pair generation, public key exchange, encryption and decryption of school digital data, and digital signature testing. The results indicate that the encryption process using the public key and decryption using the private key are effective and secure. The use of Kleopatra has proven to facilitate key management and cryptographic processes visually. This study emphasizes that the combination of RSA, GPG, and Kleopatra is a practical and efficient solution for data protection in educational environments and can serve as a reference for other institutions in implementing asymmetric cryptography-based digital data security.
Wattpad User Satisfaction Analysis Using System Usability Scale (SUS) Method Dellia, Prita; Pratiwi, Ayu; Nawafilillah; Adela Sapitri, Tania; Izzaturrahmah, Annis
Jurnal Riset Informatika Vol. 7 No. 3 (2025): Juni 2025
Publisher : Kresnamedia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34288/jri.v7i3.364

Abstract

Wattpad is an app that you can use to read, write, share, and comment on stories from various genres, such as romance, horror, fantasy, and more. This app is in high demand, especially by young people, because of its ease of use and provides many interesting stories for free. In this study, the author wants to find out how easy and convenient the Wattpad application is to be used by its users. For this reason, the System Usability Scale (SUS) method is used, which is a measurement tool commonly used to assess the usability of a system or application. Researchers collected data by distributing a questionnaire via Google Forms to 50 people who used Wattpad. The results of the questionnaire showed that the average SUS score obtained was 72.2. This value is included in the "C" category with the label "Good". This means that in general, Wattpad is considered quite good and comfortable to use. However, the results of the study also show that there are still some things that can be improved, such as feature clarity, fixes if the app crashes, and the number of ads that appear in the free version. If these shortcomings are addressed, then Wattpad can become even better and more fun for its users to use.
Co-Authors Abesha, Muhammad Bagas Adela Sapitri, Tania ADELIA, PUTRI Aeny, Nurul Agatha, Titania Puela Aisy, Syifaa’ur Rahmanil Alfackri, Rizal Alimuddin, Muhammad Ilham Alkhinaya, Imelzsa Alluthfiyah, Isfa Almas Alvaradis, Ach Amaliah, Salsabila Fathihah Amaliah Amelia, Devita Andardinata, Ady Andi, Feri Arabela, Shakila Arbi, Mokhram Ari Arifin, Siti Rahma Ariyani, Amra Arum, Naiya Giska Fauzhia Sekar Asriati Asriati, Asriati Asti Dipayanti, Ni made Bintang Saputri, Tegar Catur Fatchu Ukhriyawati Chantika, Faradila Cintika, Sara Famelia Deviany Diel, M. Martono Dini Anggraini, Dini Dwiputri, Aurra Amalia Edmaningsih, Yunike Eka Yusnaldi Elfita . Ervin Nora Susanti, Ervin Nora Febrianti, Divani Widya Feerzet Achmad Firli Martanti, Siti Fitri, Nurwijaya Gandhi Sutjahjo Geryana Suantara, I Putu Ryan Gustina, Devi Hadi Pranoto Hajar, Qurban Hanyfania, Aulia Rahma Hapsari, Fahira Noviantika Dwi Haratua Tiur Maria Silitonga Haryadi, Andri Hidayanti, E. Ida Hidayat, Mario I G.L. Oka I N.S. Sutarpa, I N.S. I Nyoman Sumerta Miwada Isfahani, Rizki Islamy, Sofyan Izzaturrahmah, Annis Joko Priyana Karantina, Wa Ode Yessi Kusumastuti, Nurry Ayuningtyas Kusumawardani, Anggilia Lasni Maryanah, Maryanah Masita, Masita Maylani, Jamiatun Melati Mentari Mentari, Mentari Miftahul Aini, Intan Mohungo, Yolanda Muharam, Muharam Mukhamad Saeful Mukti, Audy Desaela Junia Najwa, Ifa Aulia Nasoetion, Panisean Nasrudienullah, Muhammad Ikhsan Nawafilillah Nengsih, Resti Aulia Nova Mardiana, Nova Noviyanto, Alfian Nur Aprilia, Elisha Nurliza, Tiara Panca Dewi Purwati, Panca Panida, I Kadek Dwi Jendra Permata, Mastura Poernomo, Baby Prastiwi, Nurmalyta Dwi Pratiwi, Elsa Prita Dellia Puspita, Bella Putri, Hamida Ramadhan , Ahmad Farid Ratnasari, Febi Reni Yuniarti Reskawati, Shindy Ainun Rina Puspita Sari Riris Aryawati Rizki Eka Putra, Rizki Eka Rohmanur Aziz, Rohmanur RR. Ella Evrita Hestiandari Santoso, Adjie Sapitri, Tania Adela Saputra, Muhammad Dio Sari, Desja Air Sari, Fariezta Sari, Indri Sari, Mira Permata Sholihah, Ifah Niya Sari Singgih, Rahadi Pratomo Sri Langgeng Ratnasari Suci Rahayu SUHARTO Suhartono Sukamto, Ika Sumiyarsi Sulaeman Sulaeman Tahir, Muhlis Ulpatami, Niken Wahyu Saputri, Laila Wardani, Dian Wiris Woro Wayan Sayang Yupardhi Wicaksono, Anggun Widayati Widayati Wijaya, Maruf Ajisaka Winarni, Lastri Mei Yuliana Yuliana yusyanah, yusyanah Ziliwu, Sandra Zuliani, Nopita