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All Journal Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) SITEKIN: Jurnal Sains, Teknologi dan Industri InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING JMM (Jurnal Masyarakat Mandiri) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Nasional Komputasi dan Teknologi Informasi Data Science: Journal of Computing and Applied Informatics JURNAL MUTIARA AKUNTANSI bit-Tech JATI (Jurnal Mahasiswa Teknik Informatika) Community Development Journal: Jurnal Pengabdian Masyarakat Ihsan: Jurnal Pengabdian Masyarakat Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Indonesian Journal of Education, Social Sciences and Research (IJESSR) Jurnal Fibonaci: Jurnal Pendidikan Matematika Jurnal Ilmiah Wahana Pendidikan Djtechno: Jurnal Teknologi Informasi INCODING: Journal of Informatics and Computer Science Engineering Proceeding International Seminar of Islamic Studies Bulletin of Information Technology (BIT) J-Intech (Journal of Information and Technology) Jurnal Pengabdian Pada Masyarakat Indonesia (JPPMI) sudo Jurnal Teknik Informatika Hello World Jurnal Pengabdian Masyarakat Gemilang (JPMG) Blend Sains Jurnal Teknik Wahana Factory Jurnal Industri, Manajemen dan Rekayasa Sistem Industri QISTINA: Jurnal Multidisiplin Indonesia Jurnal Multidisiplin Teknologi dan Arsitektur Indonesian Journal of Education and Development Research Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Journal of Accounting Law Communication and Technology Journal of Citizen Research and Development Journal of Education Transportation and Business Al'Adzkiya International of Computer Science and Information Technology Journal
Ramadhani, Fanny
Universitas Negeri Medan
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Journal : Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE)

 1 
Combination of Hybrid Cryptography In One Time Pad (OTP) Algorithm And Keyed-Hash Message Authentication Code (HMAC) In Securing The Whatsapp Communication Application Fanny Ramadhani; Umaya Ramadhani; Lutfi Basit
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 1, No 1 (2020)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (356.559 KB) | DOI: 10.30596/jcositte.v1i1.4359

Abstract

Whatsapp is a cross-platform messaging application that allows us to exchange messages without SMS fees, because WhatsApp uses the same internet data package for email, web browsing, and more. The WhatsApp application reportedly has improved the security system of applications that are end to end encryption (E2EE). This proves that the WhatsApp manager paid considerable attention to privacy and security issues for its users. In addition, it also implies an important matter where business actors have begun to realize that the application of cryptographic services is part of a very promising business strategy or even determines the present and future consequences. The consequence of implementing E2EE is the description encryption process that takes place at the application layer (OSI layer). Cryptography is a study that studies methods to send messages in secret (that is, encrypted or disguised) so that only the intended recipient of the message can decode and read the message. For this reason, cirptography is one method that can implement E2EE on whatsapp. One Time Pad (OTP) is a type of symmetry algorithm, each key is only used for one message. If the key is random (cannot be reproduced) and only used once, then the algorithm is perfectly safe. The MAC (Message Authentication Code) is an identifier to prove the authenticity of a document obtained by using meaningless messages obtained from processing some of the contents of the document using a private key.
Implementation of Mail Server Based Of Squirrelmail Using Virtualization Technology at Universitas Muhammadiyah Sumatera Utara Fanny Ramadhani; Rangga Mahara Miko; Nurul Sasti Diningsih; Muhammad Habib
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 2, No 2 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v2i2.7841

Abstract

Server virtualization technology is the use of one physical machine by several server operating systems. The design and implementation of this mail server was built using Debian.5 as the base operating system server. The design and implementation of mail servers is built using the dns server, web server and mail server / squirrelmail, configured using the help of the virtualbox application as a server. DNS (Domain Name System) is a system that stores information about host names and domain names in the form of scattered databases (distributed databases) on a computer network, for example the Internet. The application used to handle the delivery of mail messages is the mail server. This mail server always receives messages from e-mail clients that the user uses, or maybe from other e-mail servers. Web mail functions to send and view e-mail messages through a web browser. The squirrelmail configuration is done by running the conf.pl: $ / var / www / wemail / config / conf.pl script. Exchange Server services include: Directory Service, Simple Mail Transfer Protocol (SMTP), Post Office Protocol (POP3), IMAP (Internet Message Access Protocol), Complementary Services, System Attendants. For Mail Server Delivery Process can be seen in number5.2. 
Implementation Of Combinatorial in Determining Password Technology Fanny Ramadhani; Elza Ahmad; M. Fahri Fahroza; Ayu Syahfitri; Dimas Fadhlurohhman
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 2, No 1 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v2i1.6526

Abstract

In the era of the Industrial Revolution 4.0, the use of technology has increased rapidly in less than 1 century, so that the use of technology has become a common need of society today. At this time, Users who use this technology even store personal or digitally important things such as storing important documents, personal information, even storing digital wallets or other things that are related to the user's confidentiality. so that to maintain the confidentiality of these things from other users, security is needed that can protect all the contents of the data that we have in this technology so that not just anyone can access things that are important in using this technology.
The Application of Informatics Logic in The Importation of Goods From Outside to Indonesia Dian Damayanti; Muhammad Ridho; Zaki Zain; Jailani Arsad; Fanny Ramadhani
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 2, No 1 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v2i1.6527

Abstract

Logic is a method or technique that was created to examine the accuracy of reasoning and study the principles of correct reasoning and conclusion. Logic is also called "the calculus of computer science" because logic plays an important role in the field of computer science. Not only that, the role of calculus. (mathematics) is equally important for the sciences in the fields of science, economics and also in everyday life. In this study is to provide rules for making decisions on the problem of the number of imported goods entering Indonesia. The method used by the author to complete the research This is using the truth table of the problems to be solved, calculus of propositions, problems to be solved, Studying things from research in general and various methods of solving, the writer also looks for written sources. The definition of a proposition or statement is a declarative sentence that has exactly one truth value. namely: "True" (T) or u "False" (F). Proposition calculus is a method for calculating using propositions / sentences. In proposition calculus reviewed is the value of a declarative sentence (TRUE / FALSE). Logical operations contain a collection of operations that include negation, conjunction disjunction, implication, and bi implication.
Implementation of the Selection Sort Algorithm to Sort Data in PHP Programming Language Indah Purnama Sari; Al-Khowarizmi Al-Khowarizmi; Fanny Ramadhani; Oris Krianto Sulaiman
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 4, No 1 (2023)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v4i1.14362

Abstract

The role of algorithms in software or programming is very important, so it is necessary to understand the basic concept of the algorithm. The sorting algorithm is, selection sort (sorting by selecting) is the process of sorting data according to certain rules so that they are ordered regularly. Sorting data consisting of some criteria have priority where the data is sorted by language PHP programming that provides the sort function to sort array datain ascending or descending order from smallest to largest. The sort function is sort data from smallest to largest digit or last letter of letters first each word prioritizes letters then numbers if the data is in that table data consists of a mixture of numbers and letters. The method used is searching the smallest element of the array and swaps it with the element in the first position, then this algorithm repeats the same thing again, namely looking for elements in second position, The process that will result from this system continues until all array elements successfully sorted.
Co-Authors Abadi Simanullang, Paskah Ade Amelia, Tasya Ade Setiawan Adhi Guna, Ekin Advis Ambrosius Sitohang, Yuda Afiati Nasution, Nadrah Africano, Fernando Afrrahman S. Effendi, Ali Agung Wijaya, Agung Agus Waruwu, Stefen Ahmad Rahmatika Al Hamidy Al Kautsar, Muhammad Zidane Al Khowarizmi Alby Savana HSB, Muhammad Alfin, Muhammad Amalia, Sisti Nadia Amanah, Fadilla Ambarwati, Nilasari Eka Amelia Br Siregar, Ririn Amelia Vega S. Meliala, Ruth Ananda Hafika, Rizky Ananta, Willy Pramudia Andika Maulana, Sandy Andy Satria Apandi, Khairul Aprilia, Adinda Putri Arnita Arnita Arnita Arnita Asri Angel Tumanggor Asro Harahap, Fatimah Audy Priscilia, Selfi Audy Priscillia, Selfi Aulia, Windy Ayu Sekar Ayu Syahfitri Ayu, Silvana Oyasi Azima Lubis, Fauzan Azmi Lubis, Fauzan Baehaqi br.Hutagalung, Fhadillah Budi Akbar, Muhammad Bush Henrydunan, John Daulay, Parhan Dedy Kiswanto Defiyanti, Aqilah Diah Retno Wahyuningrum Dian Damayanti Dian Septiana Dicky Apdilah Dimas Fadhlurohhman Dimas Prayoga Dina Aulia Djasmayena, Selvia Dly, Revidamurti Dobry Sianipar, Freyro Drilanang, Mhd Ilyasyah Dwi Zahra Putri, Raisya Elza Ahmad Erlangga, Farizi Evanthe, Hansel Evelyn Keisha Silalahi Fadilah, Putri Maulidina Fahmi Sagala, Khairul Farezi, Nazwar Fatma Hutagalung Fatma Sari Hutagalung Fauzan, M Rosyid Fauzan, Rosyid Fayadhilah, Muhammad Apta Fhadillah, Fhadillah Fitra, Muhammad Rizki Andrian Fransiska Sihombing, Esra Giovanni, Teuku Muhammad Hafiz, Alfin Haikal Al Majid, Muhammad Hapzi Ali Harahap, Fatimah Asro Hasan, Afrizal Hermawan Syahputra Hidayat, Muhammad Ferdiansyah Hidayatul Arifin, Muhammad Husna Batubara, Shabrina Hutagalung, Fatma Sari Ichwanul Muslim Karo Karo Impana Manik, Kristin Indah Purnama Sari Indriani.S, Dechy Deswita Insan Pratama Siagian, Raihan Irya Shakila Syukron, Ananda Islamia, Aulia Ismail Hanif Batubara Iwan Agi Berutu Jailani Arsad John Pardamean Hutabarat, Felix Juliana Silalahi, Feby Khildan Rifail Azis Khoiriah, Najwatul Latifah Hasibuan, Najwa Listia, Hijka Lubis, Muhammad Ghafur Rahman Lutfi Basit M. Fahri Fahroza Manurung, Asrar Aspia Mardiana Mardiana Maulana, Raihan Maulida Surbakti, Nurul Mei Lammi Malau Mhd. Basri Mufit, Muhammad Ilham Muhammad Habib Muhammad Naufal Musyafa Muhammad Ridho Muhammad Ridho Muhammad Rizki Alfahri Muslim Sinaga, Rizal Nadia Amalia, Sisti Nadrah Afiati Nasution Najwa Latifa Hasibuan Nasution, Nadrah Afiati Nico Pasaribu, Michael Nst, M. Fahri Fahroza Nurul Maulida Surbakti Nurul Sasti Diningsih Oktavia, Grace Oktaviani, Nadya Sisil Oris Krianto Sulaiman Pahlawan, Riza Pebiana Putri, Fahra Permata Putri Pasaribu, Yohanna Pipit Putri Hariani MD Prana Walidin, Adamsyach Pratama, Ega Prihatin Ningsih Sagala Putra Paskah Halawa, Sovantri Putra, Samuel Anaya Putri Harliana Putri Sartika Putri Tasya Agustina Raffi Akbar, Muhammad Rahma, Aulya Raihan Insan Pratama Siagan Ramadhan Manik, Albert Ramadhani, Sigi Pegi Ramadhani, Umaya Rangga Mahara Miko Ravindra Singh Richi, Alfina Rizki Andrian Fitra, Muhammad Rizki, Widya Selia Rushainy, Siti Raisha Sadion Tumpal Damanik Sagala, Khairul Fahmi Said . Iskandar salamah salamah Salamah Salamah Salsabila Zahra, Salsabila Sapta Warman Zai, Tri Siagian, Angel Agasari Siallagan, Sanri Yuliana Simbolon, Agata Putri Handayani Sinaga, Elya Juni Arta siti wulandari Sitompul, Dicky Sambora Sitorus, Rizki Risdah Situngkir, Silvia Wulandari Sri Dewi Sri Dewi Sri Dewi Steviana Viviola Wicesti Nasution Sumita Wardani Surianto, Stacyana Jesika Susanto, Raoul Syahri, Alfin Tanjung, Muhammad Raffi Akbar Todo Simanjuntak Trimuliani, Diva Tymoty Hutabarat, Peter Wahyu Pratama, Rangga Wahyudi, Rizky Wardaniah, Sabina Warjaya, Angga Yazid Noor, Muhammad Zai, Tri Sapta Warman Zaki Zain Zulfahrizan, Atta