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All Journal Jurnal Edukasi dan Penelitian Informatika (JEPIN) CESS (Journal of Computer Engineering, System and Science) InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan DERIVATIF PeTeKa Jurnal Basicedu Jurnal Pro Hukum : Jurnal Penelitian Bidang Hukum Universitas Gresik Unes Law Review TECHNOBIZ : International Journal of Business JENIUS (Jurnal Ilmiah Manajemen Sumber Daya Manusia) SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Jurnal MEBIS (Manajemen dan Bisnis) Computer Science and Information Technologies Journal of Management - Small and Medium Enterprises (SME's) Jurnal Ekonomi Efektif Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) COMMENT: Journal of Community Empowerment Journals of Economics and Business Jurnal Basicedu Kybernology : Journal of Government Studies
Ade Candra, Ade
Program Studi S1 Ilmu Komputer Fasilkom – TI Universitas Sumatera Utara
Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Social Sciences Other

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Implementasi Kombinasi Caesar dan Affine Cipher untuk Keamanan Data Teks Rachmawati, Dian; Candra, Ade
JEPIN (Jurnal Edukasi dan Penelitian Informatika) Vol 1, No 2 (2015): Volume 1, No 2
Publisher : Program Studi Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (289.232 KB) | DOI: 10.26418/jp.v1i2.12587

Abstract

Petukaran data yang terjadi secara offline maupunonline sangat rentan dengan ancaman pencurian data. KombinasiCaesar dan Affine Cipher diharapkan mampu untuk menanganiisu keamanan data. Caesar Cipher bekerja denganmemanfaatkan pergeseran atau dikenal dengan shift ciphersementara Affine Cipher bekerja dengan menggunakan kunci duabuah bilangan integer. Kombinasi dua buah algoritma ini mampumengamankan data dan mengembalikan kembali ke bentukaslinya (plainteks), sehingga tidak menyebabkan integritasdatanya hilang.Kata Kunci—plainteks, cipherteks, Caesar cipher, Affinecipher.
Komparasi Metode Simple Additive Weighting dan Weighted Product dengan Kombinasi Pembobotan Atribut Information Gain Agung Prabowo; Sawaluddin Sawaluddin; Ade Candra
InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Vol 5, No 2 (2021): InfoTekJar Maret
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/infotekjar.v5i2.3657

Abstract

Pada penelitian ini menguji metode pengambilan keputusan dengan cara membandingkan metode lSimple lAdditive lWeighting (SAW) dengan lWeighted lProduct (WP) dalam hal proses pengambilan keputusan. Kemudian proses pembobotan atribut yaitu menggunakan perhitungan Information Gain untuk kedua metode tersebut. Data lyang ldigunakan lyaitu ldata lyang bersumber dari data mahasiswa aktif pada STIK-P Pembangunan Medan dalam seleksi penerima beasiswa. Data tersebut memiliki 70 data, 5 kriteria, 1 variable kelas. Hasil pembobotan atribut yang diperoleh dari perhitungan Information Gain yaitu IPK (C1) yaitu 0.361, Semester (C2) yaitu 0.029, lPenghasilan lOrang lTua (C3) yaitu 0.039, lTanggungan Orang lTua (C4) yaitu 0.012, dan Transportasi (C5) yaitu 0.027. Hasil dari pengujian dengan perhitungan metode SAW dan WP memiliki perbedaan dalam hasil perangkingan alternatif terbaik. Pada metode SAW menghasilkan A11 sebagai alternatif terbaik dengan waktu eksekusi program yaitu 0.05 detik. Sedangkan pada metode WP menghasilkan A27 sebagai alternatif terbaik dengan waktu eksekusi program yaitu 0.02 detik.
Investigating the impact of data scaling on the k-nearest neighbor algorithm Muasir Pagan; Muhammad Zarlis; Ade Candra
Computer Science and Information Technologies Vol 4, No 2: July 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/csit.v4i2.p135-142

Abstract

This study investigates the impact of data scaling techniques on the performance of the k-nearest neighbor (KNN) algorithm using ten different datasets from various domains. Three commonly used data scaling techniques, min-max normalization, Z-score, and decimal scaling, are evaluated based on the KNN algorithm's performance in terms of accuracy, precision, recall, F1-score, runtime, and memory usage. The study aims to provide insights into the applicability and effectiveness of different scaling techniques in different contexts, aid in the design and implementation of machine learning systems, and help identify the strengths and weaknesses of each technique and their suitability for specific types of data. The results show that data scaling significantly affects the performance of the KNN algorithm, and the choice of scaling method can have significant implications for practical applications. Moreover, the performance of the three scaling techniques varies across different datasets, suggesting that the choice of scaling technique should be made based on the specific characteristics of the data. Overall, this study provides a comprehensive analysis of the impact of data scaling techniques on the KNN algorithm's performance and can help practitioners and researchers in the machine learning community make informed decisions when designing and implementing machine learning systems.
Comparison AES and RC4 Algorithm for Secure Data Passed Through an URL Bagus Ajie Iswara; jeremia tarigan; sutar man; ade candra
Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) Vol 22, No 2 (2023): Agustus 2023
Publisher : PRPM STMIK TRIGUNA DHARMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53513/jis.v22i2.8400

Abstract

Keamanan pada aplikasi berbasis website merupakan hal yang harus diperhatikan, karena hal tersebut menjadi hal penting untuk menghindari terjadinya pencurian data oleh orang yang tidak bertanggung jawab. Salah satu serangan yang terjadi pada aplikasi website adalah serangan SQL Injection. Serangan SQL Injection menjadi ancaman yang terjadi diakibatkan perlindungan yang tidak diberikan pada halaman web. Serangan ini dapat terjadi ketika aplikasi web melakukan proses komunikasi data menggunakan parameter HTTP GET method dan HTTP POST method pada saat sisi klien melakukan proses transfer data dengan sisi server aplikasi web. Dalam paper ini akan membahas masalah keamanan pada aplikasi web tersebut dengan menerapkan solusi untuk membuat keamanan pada proses komunikasi data yaitu dengan menerapkan algoritma kriptografi. Salah satu algoritma kriptografi yang dapat diterapkan adalah Advance Encryption Standard (AES) dan Rivest cipher 4 (RC4).
Performance Comparison Analysis of Multi Prime RSA and Multi Power RSA Iwada Grawilser Talunohi; Ibnu Jaki Lubis; Sutarman Sutarman; Ade Candra
CESS (Journal of Computer Engineering, System and Science) Vol 8, No 2 (2023): July 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/cess.v8i2.47350

Abstract

Saat ini cukup banyak algoritma yang digunakan untuk pengamanan informasi dalam sistem atau perangkat lunak. Masing-masing algoritma tersebut memiliki tingkat waktu dalam key generate, enrkripsi dan dekripsi yang berbeda-beda. Dalam menggunakan algoritma tersebut harus mempertimbangkan waktu jika ingin menerapkan dalam suatu sistem atau perangkat lunak. Dalam penelitian ini, akan melakukan perbandingan kinerja dari dua algoritma asimetris yaitu Multi Power RSA dan Multi Prime RSA yang masing-masing merupakan varian dari RSA. Algoritma ini terdiri dari 2 kunci yaitu kunci publik dan kunci privat. Pengujian algoritma tersebut akan dilakukan dalam bahasa python. Kesimpulan yang didapat adalah algoritma Multi Prime RSA lebih cepat di bandingkan dengan Multi Power RSA dalam proses enkripsi dan dekripsi. Multi Power RSA lebih cepat dari Multi Prime RSA dalam proses key generate.Currently, quite a lot of algorithms are used to secure information in systems or software. Each of these algorithms has a different level of speed (time) in key generation, encryption and decryption. In using the algorithm must consider speed (time) if you want to implement it in a system or software. In this study, we will compare the performance of two asymmetric algorithms, namely Multi Power RSA and Multi Prime RSA, each of which is a variant of RSA. This algorithm consists of 2 keys, namely the public key and the private key. Testing the algorithm will be carried out in Python. The conclusion obtained is that the Multi Prime RSA algorithm is faster than the Multi Power RSA in the encryption and decryption process. Multi Power RSA is faster than Multi Prime RSA in the key generation process. 
Kontribusi Kepemimpinan Kepala Sekolah dan Insentif terhadap Motivasi Berprestasi Guru Candra, Ade; Sabandi, Ahmad; Syahril, Syahril; Zikri, Ahmad
Jurnal Basicedu Vol. 4 No. 3 (2020)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v4i3.379

Abstract

Penelitian ini dilakukan untuk melihat pengaruh kepemimpinan kepala sekolah dan insentif terhadap prestasi guru di SMP Negeri 1 Payakumbuh. Penelitian ini merupakan jenis penelitian kuantitatif dengan korelasi. Populasinya adalah guru-guru di SMP Negeri 1 Payakumbuh. Pengambilan sampel dilakukan dengan purpose sampling. Data penelitian berupa pengamatan terhadap prilaku kepala sekolah terhadap guru. Hasil penelitian yang diperoleh menunjukkan bahwa terdapat kontribusi antara kepemimpinan kepala sekolah dengan kinerja guru di SMP Negeri 1 Payakumbuh sebesar 8,10% dan adanya kontribusi antara insentif dengan prestasi guru di SMP Negeri 1 Payakumbuh sebesar 7,60%. Berdasarkan hasil penelitian dapat disimpulkan bahwa terlihat  pengaruh kepemimpinan kepala sekolah dan insentif terhadap prestasi guru di SMP Negeri 1 Payakumbuh.
The Effect of Giving Rewards and Punishment on Employee Performance at the Bandar Lampung State Administrative Court Restalina, Sherli; Candra, Ade
Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme Vol 6 No 2 (2024): Geographical Coverage: Indonesia, Iraq, Malaysia, and Denmark
Publisher : Institut Agama Islam Sunan Giri (INSURI) Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/scaffolding.v6i2.5908

Abstract

This research aims to test and explain the influence of rewards on employee performance, the influence of punishment on employee performance, and the influence of rewards on punishment at the Bandar Lampung State Administrative Court. The population in this study were all employees of the Bandar Lampung State Administrative Court, totaling 42 people. This research uses a quantitative approach, and the sample selection technique is carried out using a saturated sampling method because the samples used are all members of the population. The data collection technique uses a questionnaire, and measurement uses a Likert scale. The data processing and analysis technique used in this research is multiple linear regression analysis using IBM SPSS Statistics 17 software. The results of the research analysis show that there is a simultaneous correlation between reward and punishment on employee performance. Segmentally, rewards have a significant positive influence on employee performance, while punishment does not have a significant influence on employee performance.
Pengaruh Kompensasi, Motivasi Dan Profesionalisme Terhadap Loyalitas Driver PT Gojek Cabang Bandar Lampung Wahyudin, Wahyudin; Candra, Ade
Journals of Economics and Business Vol 3, No 2 (2023): Volume 3, No 2, 2023
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jeb.v3i2.407

Abstract

AbstractThis research aims to determine and test the influence of compensation, motivation and professionalism on the loyalty of PT Gojek drivers in the Bandar Lampung branch. The number of samples in this research was 100 drivers with data collection using quantitative data analysis research instruments with the aim of testing the established hypothesis. The data analysis technique used is multiple linear regression, T test, F test and coefficient of determination (R2). The results of this research show that partially the compensation and motivation variables have a significant effect, while professionalism has no effect but is not significant on the loyalty of PT Gojek drivers in the Bandar Lampung branch. Then, the variables compensation, motivation and professionalism simultaneously influence the loyalty of PT Gojek drivers at the Bandar Lampung branch. Based on the results of the analysis of the coefficient of determination (R2), an R square value of 0.410 was obtained. This shows that the variables compensation, motivation and professionalism can influence the loyalty variable with a value of 0.410 and the rest is influenced by other variables  Keywords: Compensation, Motivation, Professionalism, Loyalty.  AbstrakPenelitian ini bertujuan untuk mengetahui dan menguji pengaruh kompensasi, motivasi dan profesionalisme terhadap loyalitas driver PT Gojek cabang Bandar Lampung. Jumlah sampel dalam penelitian ini adalah sebanyak 100 driver dengan pengumpulan data menggunakan instrumen penelitian analisis data bersifat kuantitatif dengan tujuan untuk menguji hipotesis yang ditetapkan. Teknik analisis data yang digunakan ialah regresi linier berganda, uji T, uji F dan koefisien determinasi (R2). Hasil penelitian ini menunjukkan bahwa secara parsial variabel kompensasi dan motivasi berpengaruh signifikan sedangkan profesionalisme tidak berpengaruh namun tidak signifikan terhadap loyalitas driver PT Gojek cabang Bandar Lampung. Kemudian, variabel kompensasi, motivasi dan profesionalisme secara simultan berpengaruh terhadap loyalitas driver PT Gojek cabang Bandar Lampung. Berdasarkan hasil analisis koefisien determinasi (R2), diperoleh nilai R square sebesar 0,410. Hal ini menunjukkan bahwa variabel kompensasi, motivasi dan profesionalisme dapat mempengaruhi variabel loyalitas dengan nilai sebesar 0,410 dan sisanya dipengaruhi oleh variabel lain.Kata Kunci : Kompensasi, Motivasi, Profesionalisme, Loyalitas
PENGARUH PENGGUNAAN CELEBRITY ENDORSER KOMENG PADA NIAT BELI KONSUMEN (STUDI KASUS PENGGUNA SHOPEE GEN Z DI BANDAR LAMPUNG) Efendi, Nandar; Septiani, Monica; Candra, Ade
Journals of Economics and Business Vol 4, No 1 (2024): Volume 4, No 1, 2024
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jeb.v4i1.473

Abstract

A celebrity endorser is someone who is famous and uses public recognition to recommend or present products in advertisements to attract consumers' attention. Currently, many companies use the services of celebrity endorsers to promote their products or services to influence consumers purchasing intentions. Consumer intentions are used to predict future consumer behavior. The method used in the research is quantitative using 100 respondents from the people of Bandar Lampung City who are Gen Z and have used Shopee services. The SPSS 25.0 application was used in data analysis techniques by testing multiple linear regression and t-tests, to see the influence of celebrity endorsers on the purchasing intentions of Gen Z consumers. The partial research results show that celebrity endorsements influence the purchasing intentions of Gen Z consumers quite significantly. The influence of using celebrity endorser services can be seen from three dimensions, namely attractiveness, expertise, and trustworthiness. The celebrity endorser variable, the trustworthiness dimension, has a positive, but not significant, influence on consumer purchase intentions. Meanwhile, the dimensions of attractiveness and expertise have a positive and significant influence on consumer purchasing intentions, especially Gen-Z in Bandar Lampung City. The results of this research show that a celebrity endorser has a significant influence in advertising the products that clients want. This research has several limitations in the use of variables, so further research can add other variables to measure the effect of using celebrity endorsers on consumer purchase intentions.Keywords: Celebrity Endorser, Purchase Intention, Gen Z,  
Efektivitas Sistem E-Berpadu Dalam Perkara Pidana Sebagai Upaya Mewujudkan Peradilan Cepat Candra, Ade; Danil, Elwi; Elvandari, Siska; Robensyah, Andes
UNES Law Review Vol. 6 No. 3 (2024): UNES LAW REVIEW (Maret 2024)
Publisher : LPPM Universitas Ekasakti Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/unesrev.v6i3.1892

Abstract

This research aims to see the effectiveness of the E-Berpadu system which was launched by the Supreme Court through Perma Number 4 of 2020 and refined with Perma 8 of 2022. The E-Berpadu system is an application used to simplify processes in the criminal justice system. This application emerged as an initiative during the Covid-19 pandemic where everyone was encouraged to carry out activities from home. This is why this application with the E-Berpadu system is here to make things easier for the public and law enforcement officers in the criminal justice system. This research uses a normative juridical legal approach with analytical descriptive methods. The results of this research are that through the E-Berpadu system, it has provided convenience to the public and law enforcement officers in the criminal justice system. The E-Berpadu system makes it easy for law enforcement officers to access it only through their respective offices via the application.
Co-Authors Afrianto, Afrianto Agung Prabowo Ahadis, Hamartoni Al Rangga, Muhammad Rafie Anwar Fauzi B, Della Anggita Saputri Bagus Ajie Iswara Bayu Putra Pratama, Bayu Putra Destafani, Dinda Dian Rachmawati Dwi Susanto Efendi, Nandar Elwi Danil Faiza Rini Fasa, Faizal Haris Kurniawan, Haris Ibnu Jaki Lubis Intan Hamzah Iwada Grawilser Talunohi Jayadi Jayadi jeremia tarigan Monica Septiani Muasir Pagan Muhammad Zarlis Mutiara, Siska Nasichin, Mohamad Ningsih, Sevia Widya Novalia, Restiana Permatasari, Berlintina Rahma, Farah Adila Rahmadhani, Marissa Laila Rahmah, Maulidya Restalina, Sherli Robensyah, Andes Sabandi, Ahmad Salsya, Khairani Putri Sawaluddin Nasution Sembiring, Rahmat Widia Siska Elvandari sutar man Sutarman Sutarman Syahril Syahril Wahyudin Wahyudin Zikri, Ahmad