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Journal : INFORMAL: Informatics Journal

Analisis Forensik Rekayasa Dokumen Digital dengan Metode NIST Arizona Firdonsyah; Danur Wijayanto
INFORMAL: Informatics Journal Vol 7 No 2 (2022): Informatics Journal (INFORMAL)
Publisher : Faculty of Computer Science, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/isj.v7i2.31198

Abstract

Digital Forensics is one of the technological fields contained many sub-fields that can assist technically in collecting digital evidence to be presented in a trial in accordance with applicable law. The example of digital forensics sub-field is Image Forensics, which aims to digitally collect and look for evidentiary facts in determining the authenticity of an image or document that contained images. Various criminal and pornographic cases involving image files are still happening nowadays, therefore forensics on images as evidence is an important key to assist the court in making decisions. This research examines the authenticity of documents in the form of digital letters using National Institute of Standard and Technology (NIST) method by applying the forensic ELA (Error Level Analysis). Several previous researches have proven that the forensic ELA is able to detect modifications that have been made to images. Differences with previous researches and this research are the authors also checked the metadata of the images before performing the ELA examination using Fotoforensics. The results of the analysis shows a high level of consistency in the images and writings due to the accumulation of white dots in several places such as in headers, logos, header’s writings, text contents, footnotes, and signatures.
Implementasi SSL untuk Keamanan Data pada Sistem Inventaris Mufreni, Sadr Lufti; Wijayanto, Danur; Maryani, Sri
INFORMAL: Informatics Journal Vol 9 No 1 (2024): INFORMATICS JOURNAL (INFORMAL)
Publisher : Faculty of Computer Science, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/isj.v9i1.40398

Abstract

The issue of data security and confidentiality of communications on the network is one of the most important aspects. Data security in the Inventory System is currently not completely safe; this is because the Inventory System has not implemented client and server communication security. Secure Socket Layer (SSL) is one of the efforts that can be made to prevent illegal attacks. This study applied the SSL method, in which SSL acted as a data security protocol in client and server communication networks. The purpose of this research was to implement SSL in order to improve data security in the Inventory System at Sanggar Tari Natya Lakshita. The process of observing and analyzing the data security of the Inventory System was carried out using Wireshark tools. The results showed that the implementation of SSL in the Inventory System was successful; this was evidenced by the results of observing and analyzing the data packets captured by Wireshark; the data was not easy to read. The success rate of doing 3 trials, namely logging in, inputting and deleting the data packet, was 100% encrypted.