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All Journal Jurnal Edukasi dan Penelitian Informatika (JEPIN) Journal of Information Systems Engineering and Business Intelligence InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Sinkron : Jurnal dan Penelitian Teknik Informatika International Journal of Artificial Intelligence Research Language Literacy: Journal of Linguistics, Literature, and Language Teaching IJISTECH (International Journal Of Information System & Technology) KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) JURNAL TEKNOLOGI DAN ILMU KOMPUTER PRIMA (JUTIKOMP) Jurnal Mantik TRIDARMA: Pengabdian Kepada Masyarakat (PkM) REMIK : Riset dan E-Jurnal Manajemen Informatika Komputer Journal of Computer Networks, Architecture and High Performance Computing Jurnal Akuntansi, Manajemen dan Ilmu Ekonomi (JASMIEN) IJISTECH Journal of Applied Data Sciences Yayasan Cita Cendikiawan Al Khwarizmi Brilliance: Research of Artificial Intelligence Jurnal Minfo Polgan (JMP) Jurnal Masyarakat Indonesia Prioritas : Jurnal Pengabdian Kepada Masyarakat Data Sciences Indonesia (DSI) International Journal of Multidisciplinary Sciences and Arts Jurnal Manajemen Dan Akuntansi Medan Journal of Computer Science and Research Deli Sains Informatika JATAED: Journal of Appropriate Technology for Agriculture, Environment, and Development PERFECT: Journal of Smart Algorithms Jurnal Sistem Informasi Komputer
Muhammad Khoiruddin Harahap
Politeknik Ganesha Medan, Indonesia
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Journal : IJISTECH (International Journal Of Information System

 1 
The Authenticity of Image using Hash MD5 and Steganography Least Significant Bit Nurul Khairina; Muhammad Khoiruddin Harahap; Juanda Hakim Lubis
IJISTECH (International Journal of Information System and Technology) Vol 2, No 1 (2018): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.327 KB) | DOI: 10.30645/ijistech.v2i1.13

Abstract

A creation can be considered as belonging to someone if they have a valid proof. An original creation that have been changed for certain purposes will definitely eliminate proof of ownership of the creation. A hash function is one method used to test the authenticity of data, while steganography is one method used to maintain the security of confidential data from outside parties. In this study, the Hash MD5 method will be combined with the Least Significant Bit method to test the authenticity of an image. The purpose of testing the authenticity is to find out the truth of ownership of a creation, in this case, we are testing the image. The results of this test are the status of an image that will be declared valid or invalid. Measurement of validity depends on whether there is a similarity between the value of the Hash that has been implanted and the value of the Hash obtained during the test. If the tested image has the same Hash value, then the image will be declared valid, but instead ai image is declared invalid if the image has been modified or ownership status has been changed. From the result of testing the authenticity with several images, it can prove that the combination of the Hash MD5 method with LSB has a good level of security and suitable to authenticity testing.
Generating Mersenne Prime Number Using Rabin Miller Primality Probability Test to Get Big Prime Number in RSA Cryptography Dicky Apdilah; Nurul Khairina; Muhammad Khoiruddin Harahap
IJISTECH (International Journal of Information System and Technology) Vol 1, No 1 (2017): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.912 KB) | DOI: 10.30645/ijistech.v1i1.1

Abstract

Cryptography RSA method (Rivest - Shamir - Adelman) require large-scale primes to obtain high security that is in greater than or equal to 512, in the process to getting the securities is done to generation or generate prime numbers greater than or equal to 512. Using the Sieve of Eratosthenes is needed to bring up a list of small prime numbers to use as a large prime numbers, the numbers from the result would be combined, so the prime numbers are more produced by the combination Eratosthenes. In this case the prime numbers that are in the range 1500 < prime <2000, for the next step the result of the generation it processed by using the Rabin - Miller Primarily Test. Cryptography RSA method (Rivest - Shamir - Adleman) with the large-scale prime numbers would got securities or data security is better because the difficulty to describe the RSA code gain if it has no RSA Key same with data sender.
Co-Authors . Zulfan AA Sudharmawan, AA Abdul Samad Adidtya Perdana, Adidtya Aditya, Vikra Afriani, Dina Amir Mahmud Husein Amir Mahmud Husein, Amir Mahmud Amir Mahmud Husein, Mawaddah Harahap, Amir Amsar Yunan Amsar, Amsar Anugreni, Fera Ariany, Vince Arie Budiansyah Aritonang, Romulo P. Atabiq, Fauzun Ayesha Muazzam Candra, Rudi Arif Clawdia, Jhessica Dian Pratiwi, Aulya Dicky Apdilah Diding Kusnady Dimas Sasongko Dina Afriani Eko Pramono Epi, Yus Erwinsyah Sipahutar Evan Afri Evan Afri Fachrul Rozi Lubis Ferdy Riza Firnanda, Ary Ginting, Rico Imanta Handayani, Saskia Hantono Hantono Haris Lubis, Abdul Hariyanti, Irma Herry Setiawan Herry Setiawan Ilham, Dirja Nur Indra Surya, Indra Indra, Jamaludin Intan Maulina, Intan Jannah, Dina Miftahul Jhessica Clawdia Juanda Hakim Lubis Khairuman Khairuman Man Kurniadi, Sepri Lubis, Fachrul Rozi Maharina, Maharina Maqfirah Mhd. Zulfansyuri Siambaton Miza, Khairul Mohammed Saad Talib Muhammad Hamza Muhammad Rian Almadani Mursidah natasha, Syarifah fadillah Natasya, Syarifah Fadillah Novita, Hilda Yulia Nurmala Sridewi Nursila Nursila Nursila, Nursila Nurul Khairina Nurul Khairina Nurul Khairina Pania, Sadri Paryono, Tukino Patel , Hrishitva Permata, Riski Surya Rina Rina Rizki, Lutfi Trisandi Rizky, Muharratul Mina Rosihana, Riscki Elita S.SE,MM, Yanti Salsa Dilah Cicilia Putri Sandi Pratama Saputra, Devi Satria Sihabudin Sihabudin, Sihabudin Surya Hendraputra Syifa Setiawan, Muhammad Afdhalu Talib, Mohammed Saad Urmila, Tasya Wahyudi Lubis Xu, Chlap Min Zhu, Kong Huang Zonyfar, Candra