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Journal : Jurnal CoreIT

Kriptografi Simetris Menggunakan Algoritma Vigenere Cipher Amrulloh, Arif; Ujianto, EIH
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 5, No 2 (2019): Desember 2019
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (617.403 KB) | DOI: 10.24014/coreit.v5i2.8674

Abstract

Keamanan informasi pada sebuah aplikasi sangatlah penting, sistem keamanan sangat diperlukan pada sebuah aplikasi karena di sebagian perusahaan atau bahkan di suatu negara membutuhkan keamanan informasi , dan informasi penting yang tidak boleh di akses oleh sembarangan penerima pesan harus di amankan. Untuk megamankan informasi tersebut dibutuhkan suatu algoritma yang dapat menyamarkan pesan penting agar tidak bisa dibaca oleh pihak yang tidak memiliki hak untuk menerima informasi tersebut. Kriptografi merupakan salah satu cara yang bisa digunakan untuk memproteksi pengiriman data, data yang dikirim akan dirubah menjadi kode tertentu  dan hanya bisa dibuka oleh penerima yang memiliki kunci untuk merubah kode itu kembali sehingga kerahasian pesan atau informasi tetap dapat dijaga, dan untuk mempermudah pemrosesan data diperlukan sebuah aplikasi, aplikasi kriptografi berbasis web bisa dibangun dan digunakan untuk mempermudah pemrosesan data, selain itu aplikasi berbasis web dapat di akses dari mana saja.
Web-Based General Affair Information System Using Prototyping Method Amrulloh, Arif; Saintika, Yudha
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 8, No 1 (2022): June 2022
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (517.505 KB) | DOI: 10.24014/coreit.v8i1.17029

Abstract

Abstract. Operations are one of the main activities in the company; almost all companies have a General Affairs (GA) section that takes care of all household and operational matters. The bigger the company, the more complex the problems faced. To overcome these problems, the role of technology is needed. In today's digital era, many technologies can be used to assist companies in administrative activities, one of which is a website-based application. Website-based applications have advantages over desktop applications because users only need a browser to access the application. This research will build a web-based general affairs administration system using the prototype method. The prototype is a method that requires the developer's interaction with the client so that it can overcome the incompatibility between the system developer and the client. Tests are carried out using black-box testing techniques focusing on checking system functionality. The results of tests conducted by 26 respondents show that the system built is 100% feasible and meets expectations. 
Sistem Pencarian Similaritas Judul Tugas Akhir Menggunakan Metode TF-IDF Amrulloh, Arif; Adam, Ipam Fuaddina
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 7, No 2 (2021): Desember 2021
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (657.03 KB) | DOI: 10.24014/coreit.v7i2.14917

Abstract

The final project is a compulsory subject that must be completed by students to get a degree according to the level of higher education taken. Often students or final project supervisors find it difficult to find out whether the title of the proposed final project has been researched before or not. To avoid the title of the final project being the same as the research that has been done previously, a solution is needed, a system for finding the similarity of the title of the final project can be used as a solution to this problem. Many methods can be used for the problem of finding similarity or similarity of data. One method that is often used is TF-IDF which works by calculating the weights. In this research, a system for finding the similarity of the title of the final project will be built by applying the TF-IDF method. The results of the TF-IDF trial with a final project title of 384 data found that the final project title had similarities based on keywords as many as 99 data. The use of the TF-IDF method can be used as a solution for lecturers and students in determining the title of the final project.
Geographic Segmentation using Application Programming Interface (API) Geolocation on E-Marketplace Development Arif Amrulloh; Yudha Saintika
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 9, No 1 (2023): June 2023
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (703.085 KB) | DOI: 10.24014/coreit.v9i1.19434

Abstract

Purbalingga is one of the regencies in the province of Central Java with many muffler artisans and is the largest exhaust producer in Indonesia. In this study, the development of an e-marketplace application will be carried out by implementing a geolocation Application Programming Interface (API). The geolocation API is used to detect the location of visitors so that price differences can be made based on the visitor's country. The system development method used is Rapid Application Development (RAD). The RAD method is used because application development can be done in a relatively fast time. At the system design stage, the Unified Modeling Language (UML) is used as a visual model to facilitate the application development. The final result of this research is an e-marketplace application that specifically sells exhaust products and accessories. The test results were carried out in 6 different locations with details of 4 countries of Indonesia, one country of Malaysia, and one country of Saudi Arabia. Other prices were obtained according to the location of the visitor's country.