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All Journal InfoTekJar (Jurnal Nasional Informatika dan Teknologi Jaringan) JURNAL MEDIA INFORMATIKA BUDIDARMA
Raja Nasrul Fuad
Institut Teknologi Medan
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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KONSEP PENYANDIAN FILE JPEG DENGAN MENGGUNAKAN METODE LSB Haikal Nando Winata; Raja Nasrul Fuad
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 1, No 2 (2017): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v1i2.78

Abstract

Steganography is a technique to hide text or messages that other people do not know the contents of the text or the secret message. Steganography technique is often used to avoid suspicion and to avoid other people desire to know the contents of the text or the secret message. Digital image is one of the most well-known media and the public by the author. Digital image acts as a medium or a text container you want to hide a secret message. Methods LSB (Least Significant Bit) that hides the bytes of text or message you want to hide into the last byte in the digital image. LSB method has the advantage of not changing the size and shape of the digital image by naked eye, text data or messages hidden can be restored without any change in size and shape
APLIKASI KEAMANAN FILE AUDIO WAV (WAVEFORM) DENGAN TERAPAN ALGORITMA RSA Raja Nasrul Fuad; Haikal Nando Winata
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 1, No 2 (2017): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v1i2.72

Abstract

The WAV file format that is widely used rough on various kinds of multimedia and gaming platforms. Ease of access and technological development with a variety of media to facilitate the exchange of information to various places. The data are important and need to be kept confidential secret for a wide range of security threats so that data can be intercepted and acknowledged by third parties during the shipping process. Of these problems led to the idea to create an application data security functions can secure the data using the RSA algorithm. The programming language is C # with Visual Studio software, the processed data is a sample each byte in WAV file, the header will be the same as that originally WAV files can be played even if the information has been withheld. RSA algorithm can be implemented into a programming language that WAV files can be processed and secured the data.
Sistem Pendukung Keputusan Pemberian Kredit Koperasi Menggunakan Metode Weighted Product Supiyandi Supiyandi; Raja Nasrul Fuad; Eko Hariyanto; Satia Larasati
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 4, No 4 (2020): Oktober 2020
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v4i4.2367

Abstract

Credit is a major part of financing economic activity. Credit is an important activity for cooperatives, because credit is a source of funds for cooperatives. Prior to commencement of lending activities, a good and thorough analysis is needed of all aspects of credit that can support the credit granting process, in order to prevent credit risks and irregularities, one of which is bad credit. Therefore it is necessary to have a system that can support decision making in providing credit. With the decision support system created, it is hoped that it can help the chairman of the cooperative in analyzing credit and reducing the level of bad credit in the cooperative. In the assessment, a good mechanism is needed, one of which can be done by using the weighted product (WP) method. The weighted product (WP) method uses multiplication to relate the attribute rating, where each attribute rating must first be ranked with the attribute weight in question. From the end result of the research conducted for the provision of credit is whether or not cooperative members deserve credit.
Co-Authors Eko Hariyanto Hadi Nasbey Haikal Nando Winata Satia Larasati