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All Journal Conference SENATIK STT Adisutjipto Yogyakarta Fortech : Journal of Information Technology Djtechno: Jurnal Teknologi Informasi Journal of Artificial Intelligence and Engineering Applications (JAIEA) Arcitech: Journal of Computer Science and Artificial Intelligence The Indonesian Journal of Computer Science Akademika Fortech : Journal of Information Technology
Pariyadi
Fakultas Ilmu Komputer, Universitas Nurdin Hamzah
Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Akademika

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ANALISIS KETAHANAN KOMBINASI TEKNIK KRIPTOGRAFI RAIL FENCE DAN VIGENERE CIPHER TERHADAP SERANGAN BRUTE-FORCE MENGGUNAKAN PEMROGRAMAN PYTHON: Algorithms, Kriptografi, Rail Fence cipher, Vigenere cipher, Brute-Force Rachmawati, Aulia; Anzari, Yandi; Fatih, Muhammad Damas; Pariyadi, Pariyadi
JURNAL AKADEMIKA Vol 18 No 1 (2025): Jurnal Akademika
Publisher : LP2M Universitas Nurdin Hamzah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53564/6w0a4245

Abstract

Data is an essential asset that must be protected due to its strategic role in maintaining the continuity of information systems. Therefore, data security becomes a crucial aspect in information management. One of the approaches to ensure data security is through the application of cryptographic techniques. Two commonly used classical cryptographic algorithms are the Rail Fence Cipher and the Vigenere Cipher. However, the use of a single algorithm has weaknesses, as it remains vulnerable to brute-force attacks. This study aims to combine two cryptographic methods, namely the transposition technique (Rail Fence) and the substitution technique (Vigenere), to enhance resistance against brute force attacks. The research employs an experimental method by implementing the combined algorithms using the Python programming language. Testing was conducted on three scenarios: encryption using Rail Fence, Vigenere, and their combination. The results show that the combined algorithm increases key space and produces more complex character distribution patterns, thereby improving security against brute-force attacks.
APLIKASI LAYANAN PELANGGAN BERBASIS WEB DAN MOBILE PADA PERUSAHAAN AIR MINUM: Application, Complaint, Customer Service, Mobile, Water Company Pariyadi, Pariyadi; Damas Fatih, Muhammad; Anzari, Yandi; Rachmawati, Aulia
JURNAL AKADEMIKA Vol 18 No 1 (2025): Jurnal Akademika
Publisher : LP2M Universitas Nurdin Hamzah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53564/0898pj82

Abstract

The quality of public service is a crucial factor for companies such as the Regional Water Company. The main challenges often faced are the slow handling of customer complaints, difficulty in accessing billing information, and the bureaucratic process of new connection registration. This research aims to design and build an integrated web and mobile-based customer service information system. The research method used is the Waterfall model, which includes the stages of requirements analysis, system design, implementation, and testing. The result of this research is the customer service application, which consists of three platforms: (1) A back office web for administrators, supervisors, and superadmins to manage master data, monitor, and delegate complaints and reports; (2) An Android Mobile Application for Customers, featuring online complaints, complaint tracking, new connection registration, bill checking, self-service meter reading, and news information; (3) An Android Mobile Application for Field Officers, which functions to receive and update the status of complaint work orders. The implementation of this system has successfully transformed manual business processes into digital ones, thereby increasing response speed, data transparency, and customer satisfaction one of them is PERUMDA Air Minum Tirta Mayang.      
Co-Authors Afrilianto, Robby Afrizal - Ahadi, Ahmad Husna Aminuddin, Fattachul Huda Ardiansyah ARDIANSYAH ARDIANSYAH Astari Prakasiwi, Degita Astuti , Reny darex susanto, darex Darma Putra, Soferli Degita Astari Prakasiwi, Degita Astari Della Refpriyani, Mei Djauhari, Teuku Faiza Rini Fajri Arvandi Fatih, Muhammad Damas Fery Purnama, Fery Firmansyah, Riko Fitaloka, Wulan Fitaloka, Wulan Gazali, Galli Gusrial, Rama Kurniawan, Boy Kusaini, Maulana Lailyn Puad, Lailyn Limia Budiarti, Rike Marwah, S. Maulana Syarif, Nanang Meda, Gustiara Muhammad Rinaldi Pratama Novraniar, Ghitra Novri Adhiatma, Novri Prammudya, M Alif Putra, Soferli Darma Rachmawati, Aulia Ramadani, Muhammad Reny Wahyuning Astuti Reny Wahyuning Astuti, Reny Wahyuning Rinaldi Pratama, Muhammad Sukma Puspitorini Sukma Puspitorini, Sukma Sulisno, Witbowo Sulisno, Witbowo Syarif, Nanang Maulana Tamrin Syah Tamrin Syah, Tamrin Wahyuning Astuti, Reny Windy Adriana Yandi Anzari