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All Journal Teknikom: Teknologi Informasi, Ilmu Komputer dan Manajemen
Herman Kabetta
STMIK Widya Utama
Computer Science & IT Economics, Econometrics & Finance Mathematics

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Implementasi REST API pada Aplikasi Panduan Kepaskibraan Berbasis Android Amin Rulloh; Dewi Erla Mahmudah; Herman Kabetta
Jurnal Teknologi Informasi, Ilmu Komputer dan Manajemen Vol 1 No 2 (2017): Teknikom Vol. 1 No. 2 Tahun 2017
Publisher : LPPM STMIK Widya Utama

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Abstract

Application trends that require developers to create apps that can make content up-to-date whenever accurately makes developers search for methods that can make that happen. With the RESTful web service technology, applications now can connect to the global network. With the notation format support from JSON, result from data will be faster to load in the application and allows developers to recognize the resulting objects. First, creating a database to store content that supports apps. Then create the controller that is used for each API call on each required content. After that the app on the android device is made with the support of several libraries, namely Volley for calling API and HTML-TextView to convert content data in HTML format into TextView format on android device. This research has resulted that REST can be applied in this Guidance Application
Analisis Kompleksitas Waktu Algoritma Kriptografi Elgamal dan Data Encryption Standard Herman Kabetta
Jurnal Teknologi Informasi, Ilmu Komputer dan Manajemen Vol 1 No 1 (2017): Teknikom Vol. 1 No. 1 Tahun 2017
Publisher : LPPM STMIK Widya Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (431.329 KB)

Abstract

ElGamal as an asymmetric key cryptography system and Data Encryption Standard (DES) as a symmetric key cryptography system, both of algorithms will be compared using the time complexity analysis and computer simulation. The result of time analysis shows a different complexity for both algorithms, there is quadratic complexity for ElGamal Algorithm and Linear Complexity for DES algorithm. Input that is used by ElGamal algorithm is the private key, while for DES algorithm is the plaintext’s size. Based on result of simulation using a computer program, it shows a significant timing differences, ElGamal’s time execution is longer than DES. This is caused by differences of arithmetic operations that is used by each algorithms.
Co-Authors Amin Rulloh Dewi Erla Mahmudah