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All Journal dCartesian: Jurnal Matematika dan Aplikasi Jurnal MIPA Jurnal TIMES Vivabio : Jurnal Pengabdian Multidisiplin Jurnal Ilmiah Sains d'Cartesian: Jurnal Matematika dan Aplikasi Indonesian Journal of Intelligence Data Science (IJIDS) Jurnal Informatika dan Rekayasa Perangkat Lunak
Jullia Titaley
Sam Ratulangi University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Library & Information Science Mathematics Physics Public Health

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IMPLEMENTASI KRIPTOGRAFI AFFINE CIPHER PADA PENYANDIAN FILE TEKS Difu, Wawan; Ketaren, Eliasta; Titaley, Jullia
Jurnal TIMES Vol 14 No 1 (2025): Jurnal TIMES
Publisher : STMIK TIME

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51351/jtm.14.1.2025835

Abstract

Penelitian ini bertujuan untuk mengimplementasikan algoritma Affine Cipher dalam proses enkripsi dan dekripsi file teks, .pdf, dan .docx menggunakan dua kunci, yaitu a dan b. Metode yang digunakan dalam penelitian ini adalah Affine Cipher dalam sistem yang memungkinkan pengguna memasukkan teks langsung atau mengunggah file untuk diproses. Proses enkripsi dilakukan dengan mengubah setiap karakter dalam teks atau file menggunakan rumus Affine Cipher, sedangkan dekripsi dilakukan dengan menghitung invers modular dari kunci a untuk mengembalikan teks ke bentuk aslinya. Modifikasi dilakukan dengan menggunakan modulo 80 agar algoritma dapat mengenkripsi berbagai karakter, termasuk huruf besar, huruf kecil, angka, dan simbol. Hasil penelitian menunjukkan bahwa sistem dapat mengenkripsi dan mendekripsi teks serta file dengan benar, sesuai dengan perhitungan manual metode Affine Cipher. Pengujian dengan berbagai kombinasi kunci membuktikan bahwa sistem berfungsi dengan baik dan dapat digunakan untuk keamanan data melalui perlindungan file teks secara sederhana namun optimal.
Website-Based Integrated One-Stop Service System of the Ministry of Religious Affairs Office Jayapura Regency Using Rational Unified Process Lolombulan, Chaelsie Ribka; Titaley, Jullia; Alfonsius, Eric
Jurnal Informatika dan Rekayasa Perangkat Lunak Vol. 6 No. 1 (2025): Volume 6 Number 1 March 2025
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jatika.v6i1.76

Abstract

The public service management system at the Ministry of Religious Affairs Office, Jayapura Regency, remains reliant on manual processes, resulting in inefficiencies such as prolonged processing times, data redundancy, and challenges in tracking service requests. This study aims to design and develop a web-based Integrated One-Stop Service (IOSS) system to enhance service efficiency, accuracy, and accessibility. The Rational Unified Process (RUP) methodology was employed as the system development framework due to its structured, iterative, and flexible approach to managing the software development lifecycle. The design phase commenced with a needs analysis conducted through in-depth interviews with employees and service users to identify system requirements and existing challenges. The system design encompassed the development of an intuitive user interface prototype and a comprehensive database to support IOSS operations. System evaluation through black box and usability testing methods yielded a 100% functionality success rate and a user satisfaction score of 4.46 on a scale of 1 to 5, indicating that the system operates effectively. The findings demonstrate that the developed system significantly improves public accessibility and satisfaction with government services. This study contributes to the advancement of public service digitalization, fostering a more efficient and responsive service delivery system.
Co-Authors Adianto Pakkung Aisya Putri Alfonsius, Eric Alfrina Alfrina Alfrina, Alfrina Altien J. Rindengan Artmo Dihartomo Laweangi Benny Pinontoan Benny Pinontoan Brian Sulu Cherry Telap Cherry Telap, Cherry Chriestie E.J.C. Montolalu Chriestie E.J.C. Montolalu, Chriestie E.J.C. Chrisanty Y Tambayong Chungdinata, Stephanie Elysia Deisi Maapanawang Desty A. Tambingon Difu, Wawan Djoni Hatidja Dodisutarma Lapihu Eliasta Ketaren, Eliasta Fadhila Minabari Fernando Yosua Solar Filrissa, Shintya Gayanti Geraldi Tulung Henriette D Titaley Ibrahim, Muhammad Irfan Kadademahe, Vone K Kalfin Muchtar Kalfin Muchtar, Kalfin Kodri, Riskika Fauziah Lolombulan, Chaelsie Ribka Luther A. Latumakulita Luther Latumakulita Maapanawang, Deisi Mahardika Inra Takaendengan Mans L. Mananohas Mans L. Mananohas, Mans L. Mans Lumiu Mananohas Mans Lumiu Mananohas Mans Mananohas Mans Mananohas, Mans Minabari, Fadhila Muhammad Irfan Ibrahim NELSON NAINGGOLAN Nelson Nainggolan Pirade, Septian Putri, Aisya Repi, Christian Rindengan, Altien J. Septian Pirade Shintya Gayanti Filrissa Solar, Fernando Yosua Stephanie Elysia Chungdinata Sulu, Brian Tambayong, Chrisanty Y Tambingon, Desty A. Titaley, Henriette D Tohap Manurung Tohap Manurung Tohap Manurung Tohap Manurung Tumilaar, Rinancy Vone K Kadademahe Wajongkere, Yuanita Weku, Winsy Christo Dailan Yohanes A.R. Langi Yohanes A.R. Langi Yuanita Wajongkere