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All Journal Walisongo Journal of Information Technology
Rizki, Favian Agung
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Computer Science & IT Engineering

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Tingkat Ketergantungan (Usability) E-learning di Fakultas Saitek UIN Walisongo Semarang Mahfudh, Adzhal Arwani; Rizki, Favian Agung; Alfaza, Ahilla Salma
Walisongo Journal of Information Technology Vol 2, No 2 (2020): Walisongo Journal of Information Technology
Publisher : Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjit.2020.2.2.7172

Abstract

Utilizing technology, especially the internet to support the teaching and learning process, is what happened in the 21st century. E-learning is one of the learning innovations in the network that allows users to access material or collect assignments online. The benefits of e-learning are so numerous and can help lectures, users can access anywhere without being limited by space and time. The method used is descriptive research, which in its implementation consists of data collection, analysis and interpretation of the meaning of the data obtained. . This study aims to determine the level of usability or usability that exists on the e-leraning website of UIN WALISONGO Saintek Faculty, whether the system has been made that meets the usability criteria or not, in terms of Learnability, Efficiency, Memorability, Errors, and Satisfaction. After conducting research, the authors obtain data that e-learning meets usability criteria seen from the data in the field that is the result of the survey. So, Walisongo e-learning can be used as a support for learning effectively and efficiently.
Komparasi Waktu Algoritma RSA dengan RSA-CRT Base On Computer Wibowo, Nur Cayo Hendro; Umam, Khotibul; Khaq, Albadru Muh Izul; Rizki, Favian Agung
Walisongo Journal of Information Technology Vol 2, No 1 (2020): Walisongo Journal of Information Technology
Publisher : Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjit.2020.2.1.5402

Abstract

Cryptography is a branch of mathematics. Asymmetric algorithms such as RSA, including the type of cryptography that is more widely used to be implemented in everyday life because it has an algorithm that is not easy to be misused by others. However, the encryption and decryption process of RSA requires quite a long time. For this reason, RSA - CRT emerged. In this study a time comparison between the RSA algorithm and the RSA-CRT Base On Computer is done. The purpose of this study was to determine the execution time of the RSA-CRT algorithm using PHP.This research uses the Research and Development or R D method, with the R D method created by the product development RSA-CRT algorithm application from UIN Walisongo Semarang based on computer. Based on the data analysis, the conclusion is that although the manual calculation of the RSA-CRT algorithm takes longer than the others in this case RSA. But have a faster time when using PHP. 
Co-Authors A.A. Ketut Agung Cahyawan W Alfaza, Ahilla Salma Khaq, Albadru Muh Izul Mahfudh, Adzhal Arwani Wibowo, Nur Cayo Hendro