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Android-Based Cryptography Applications Using The Rail Fence Cipher Algorithm Raden Diky Zailani; Khairil Khairil; Abdussalam Al Akbar
Jurnal Media Computer Science Vol 2 No 2 (2023): Juli
Publisher : Fakultas Ilmu Komputer Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v2i2.4569

Abstract

Android-based cryptographic applications using the rail fence cipher algorithm are made using the Java programming language (AndroidStudio), the PHP programming language (JSON File Web Service) and the MySQL database. This application has a url link for storing PHP files and message data in the database, while the url link is http://railfencecipher.my.id/. An Android-based cryptographic application using the rail fence cipher algorithm has been uploaded to Google Playstore by entering the rail keyword fence cipher. An android-based cryptographic application using the rail fence cipher algorithm can be used to assist communication between the two parties, both the sender and the recipient of the message. In addition, this application has implemented a rail fence cipher algorithm that is used to maintain the confidentiality of the message stored in the application's database. The records in the message body column in the database are in random form, therefore they cannot be read. This of course makes the application maintain the confidentiality of the messages sent, because there is a process of scrambling (encryption) of the message. Based on the results of the tests that have been carried out, the functionality of the android-based cryptographic application using the rail fence cipher algorithm runs well as expected and the message sent between the recipient and the sender is kept confidential because the message is encrypted.
Designing A Computer Network Monitoring System With Sms Notification Using The Dude Riki Irawansyah; Khairil Khairil; Rizka Tri Alinse
Jurnal Media Computer Science Vol 3 No 1 (2024): Januari
Publisher : Fakultas Ilmu Komputer Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v3i1.5327

Abstract

One system that can monitor networks with notifications in the form of SMS is using The Dude. This network monitoring system with SMS Notification aims to enable network admins to know the condition of the network wherever they are.In monitoring the network, the dude can do it based on the IP address entered, the dude is open source, that is, it is one of the software or tools built into the proxy, in the installation process the dude does not require a large storage space. When monitoring the Dude's network, the indicator will display green, which is on and red, which is off. To monitor the Dude's network, it will be based on the IP Address of each device connected to the network.The Dude can carry out network monitoring on the SMA N 6 South Bengkulu computer network in the form of notifications of devices being on or off. The results of the monitoring will be sent in the form of a notification to the admin's cellphone in the form of an SMS. To send an SMS notification, the dude takes +/- 2 minutes. The time for sending this SMS notification is calculated based on the condition of the device being on or off until the notification is received or received. on HP.