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All Journal Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Edukasi dan Penelitian Informatika (JEPIN) Register: Jurnal Ilmiah Teknologi Sistem Informasi EMITTER International Journal of Engineering Technology JOIN (Jurnal Online Informatika) Jurnal Teknologi dan Sistem Komputer Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Informatika Wikrama Parahita : Jurnal Pengabdian Masyarakat Informatics for Educators and Professional : Journal of Informatics CogITo Smart Journal Techno Nusa Mandiri : Journal of Computing and Information Technology Jurnal Komtika (Komputasi dan Informatika) Jurnal Teknoinfo Jurnal Sisfokom (Sistem Informasi dan Komputer) Jurnal Informatika Global Journal of Information Systems and Informatics IT (INFORMATIC TECHNIQUE) JOURNAL JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Jurnal Tekinkom (Teknik Informasi dan Komputer) JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran Jurnal PkM (Pengabdian kepada Masyarakat) Abdiformatika: Jurnal Pengabdian Masyarakat Informatika Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) Jurnal Teknologi Informasi Pena Dimas: Jurnal Pengabdian Masyarakat ORAHUA : Jurnal Pengabdian Kepada Masyarakat Jurnal Komtika (Komputasi dan Informatika)
Dwi Yuny Sylfania
ISB Atma Luhur
Religion Aerospace Engineering Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Pengamanan Pesan E-Complaint Fasilitas dan Kinerja Civitas Akademika Menggunakan Algoritma RSA Sylfania, Dwi Yuny; Juniawan, Fransiskus Panca; Laurentinus, Laurentinus; Hengki, Hengki
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 9 No 6: Desember 2022
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2022965388

Abstract

Keluhan merupakan suatu bentuk pengaduan yang muncul karena ketidakpuasan produk atau layanan perusahaan.  ISB Atma Luhur tidak terlepas dari adanya keluhan mengenai fasilitas kampus, serta kinerja dosen dan karyawan.  Meskipun keluhan identik dengan hal negatif dan sulit ditangani, namun harus diselesaikan karena menyangkut kredibilitas perusahaan.  Kebanyakan mahasiswa memilih untuk tidak melaporkan keluhan, khususnya mengenai kinerja dosen dan karyawan, karena takut terjadi kebocoran pada keluhan yang disampaikan.  Hal tersebut bisa mengakibatkan pengurangan nilai akademik dan pelayanan yang buruk ketika mengurus administrasi perkuliahan.  Penggunaan teknik kriptografi dengan algoritma RSA dijadikan sebagai solusi untuk mencegah kebocoran pesan.  Kriptografi digunakan untuk menerjemahkan pesan ke dalam bentuk kode sehingga isi pesan sebenarnya tidak dapat diketahui secara langsung.  Pemilihan RSA sebagai algoritma kriptografi karena sulitnya pemfaktoran bilangan prima dalam pembuatan kunci.  Pemfaktoran tersebut akan menghasilkan kunci publik untuk proses enkripsi pesan, dan kunci privat untuk proses dekripsi pesan.  Proses enkripsi menghasilkan ciphertext dan proses dekripsi menghasilkan plaintext.  Pengujian brute force menghasilkan bahwa dengan panjang kunci sebesar 24 bit, maka waktu yang dibutuhkan untuk menemukan kunci privat sebanyak 16.777.216 adalah selama 16,77 detik/106 percobaan. Berdasarkan pengujian tersebut, peluang untuk menemukan kunci privat yang tepat membutuhkan waktu yang lama, sehingga kebocoran pesan pada aplikasi e – complaint dapat dicegah dengan baik. AbstractA grievance is a complaint that arises because of the emergence of the company's products or services. ISB Atma Luhur is inseparable from complaints about campus facilities and the performance of lecturers and employees. Because complaints can be company problems, so must be correct. Most students choose not to report their grievances, especially regarding lecturers and employees, for fear of leaks in the complaints submitted. However, it can decrease academic grades and poor service when taking care of lecture administration. This study proposes the application of cryptography, which converts messages into code, so the actual message is not known. The use of cryptographic techniques with the RSA algorithm is used as a solution to prevent message leakage. The choice of RSA as a cryptographic algorithm is due to the difficulty of factoring prime numbers in key generation. This factoring will generate a public key for the message encryption process and a private key for the message decryption process. The encryption process produces ciphertext, and the decryption process produces plaintext. Brute force testing results that with a key length of 24 bits, the time required to find the private key of 16,777,216 is 16.77 seconds/106 attempts. Based on these tests, the opportunity to find the right private key in a long time so that there is no message on the e-complaint application can result in good. 
Implementation of Finding Shortest Route for Pharmacy Location Using A-star Algorithm Juniawan, Fransiskus Panca; Sylfania, Dwi Yuny; Agrina, Dini
JOIN (Jurnal Online Informatika) Vol 4 No 1 (2019)
Publisher : Department of Informatics, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/join.v4i1.296

Abstract

The number of pharmacies in the Pangkalpinang City has increased rapidly. This is directly proportional to the needs of the people of Pangkalpinang City to fulfill the health needs, buy medicine or divert doctor's prescriptions. This is a debate for people who do not know the location of pharmacies in this city. Practically, people can just go to a pharmacy with a location that far from user location, even though there is a pharmacy near the user. This is because there is no pharmacy information location in the Pangkalpinang City. To solve this problem, proposed a system that can display the location of all pharmacies in the Pangkalpinang City. In addition, the system can search the shortest path from the user's location to the nearest pharmacy location around using the A * algorithm. This algorithm was chosen because its advantages that are able to produce optimal solutions according to the expected heuristic functions. The results of the testing are that the system can optimize and be able to search the shortest path from the user's location to the nearest pharmacy.
Implementasi Aplikasi Monitoring Nilai dan Kegiatan Siswa Berbasis Android dengan Metode Prototype Juniawan, Fransiskus Panca; Sylfania, Dwi Yuny; Rian Chrisna Putra, Rendy; Sulaiman, Rahmat
Jurnal Komtika (Komputasi dan Informatika) Vol 5 No 1 (2021)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/komtika.v5i1.5119

Abstract

The number of smartphone and internet users in Indonesia is currently very large. This is become the basis for the use and development of mobile-based applications for the advantage of education. However, not all High Schools in Indonesia have a mobile-based system. Another problem is that most of them still use conventional methods in implementing teaching and learning activities, and reporting learning outcomes to parents. This is also still the case at SMA Negeri 1 Pangkalanbaru, Bangka Tengah. This problem is what we want to raise and solve by developing applications that can solve these problems. The research was developed using the Prototype method which consists of stages of Data Collection, Rapid Planning, Prototype Design, and Prototype Testing. By using the UML tool, results are obtained in the form of parents who can monitor grades, school information, and school announcements. In addition, students can take attendance online, register for extracurricular activities, and view announcements. From the testing results it is known that the system performance is running well as it should.
Co-Authors Agrina, Dini Agusti, Leny Agustina Heryati Akhiat Akhiat Ali, Firman Aqilla Fadiya Haya Assobry, Muhammad Habib Carissa, Fihan Chrisna Putra, Rendy Rian David Wijaya Dehan Permata Sari Deriza Nabilah Fitria Desri Yulanda Dian Novianto Dwi Yana Ayu Andini Fernandy Ricardo Antonius Fransiskus Panca Juniawan Fransiskus Panca Juniawan Fransiskus Panca Juniawan Fransiskus Panca Juniawan Fransiskus Panca Juniawan Fransiskus Panca Juniawan Hamidah . Harrizki Arie Pradana Harrizki Arie Pradana Hengki Hengki Iski Zaliman Juniawan, Fransiskus Panca Kgs. M. Faizal Laurentinus, Laurentinus Lukas Tommy Marini Marini Martadinata, A. Taqwa Megawati - Melati Suci Mayasari, Melati Suci Muhammad Intan Arfies Nadila Fasya Anggraeni Nayla, Adinda Nurhayati Nurhayati Perkasa, Eza Budi Pradana, Harrizki Arie Rahmat Sulaiman Rendy Septia Adiputra Risnina Wafiqoh Robbi Rahim Sammy Lazuardi Ginanjar Sandy Gautama Sujono Syahputra, Razen Umar Faruq Vista Yohanes Setiawan Japriadi