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All Journal JURNAL MEDIA INFORMATIKA BUDIDARMA
Rosmini Rosmini
STMIK PPKIA Tarakanita Rahmawati, Tarakan
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Perpaduan Algoritma Kriptografi Atbash dan Autokey Cipher dalam Mengamankan Data Muhammad Fadlan; Rosmini Rosmini; Haryansyah Haryansyah
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 5, No 3 (2021): Juli 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v5i3.3019

Abstract

Data security is an important thing that must be done in the cyber era. The use of various kinds of digital technology in helping various human activities needs to be balanced with adequate data security. One of the ways that can be used in securing data is through cryptography. Atbash cipher is one of the cryptographic techniques used in securing data. However, this algorithm has a weakness because it only uses the process of reversing the position of the characters to be secured. This study proposes a cryptographic model that can maximize data security from the atbash cipher. The proposed model is a combination of the atbash cipher with the autokey cipher. The tests carried out on the proposed model have a 100% success rate, meaning that the encrypted message resulting from the proposed encryption process has been successfully restored to its original form through the proposed decryption process. The results of this study indicate that the atbash cipher cryptographic algorithm, combined with the autokey cipher algorithm can produce an encrypted message that is more difficult to crack.
Implemantasi Case Based Reasoning (CBR) Untuk Pengembangan Sistem Pakar Diagnosa Penyakit Gigi Rosmini Rosmini; Ummi Syafiqoh; Asmah Asmah
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 7, No 3 (2023): Juli 2023
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v7i3.6261

Abstract

Dental disease is a condition that can interfere with the teeth in carrying out their functions properly. Dental disease in humans ranks first on the list of the top 10 diseases that most people complain about in Indonesia. Dental disease can affect anyone of any age and gender. Dental disease initially does not cause problems and if allowed to continue can become a big problem. Dental disease has almost similar symptoms, therefore an expert system application is needed that can help diagnose dental disease so that you can get the right treatment before the dental disease develops into a more serious disease. The Case Based Reasoning (CBR) method is a method for solving problems by remembering the same/similar (similar) events that have occurred in the past then using that knowledge/information to solve new problems or in other words solve problems by dealing with solutions. - solutions that have been used. The results of the CBR method test resulted in a diagnosis of dental and oral disease with a similarity rate of 82%. So this method can be used to diagnose dental disease experienced by patients, thereby helping specialist doctors make decisions in disease management.
Co-Authors Asmah Asmah Haryansyah Haryansyah MUHAMMAD FADLAN Ummi Syafiqoh