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All Journal Journal of Natural Sciences and Mathematics Research
Any Muanalifah
Universitas Islam Negeri Walisongo Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology Physics

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Algorithm Hill Cipher for Securing Arabic Text Documents Ulin Nihayah; Any Muanalifah; Aini Fitriyah
Journal of Natural Sciences and Mathematics Research Vol 3, No 2 (2017): December
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.204 KB) | DOI: 10.21580/jnsmr.2017.3.2.10950

Abstract

This research is an application of Hill Cipher cryptographic techniques in the process of encoding messages in the form of Arabic text. Hill Cipher is a classic cryptographic algorithm that uses modulo matrix and arithmetic in its application. The Arabic text used in the Hill Cipher cryptographic technique includes hijaiyyah letters ا, ب, , ي, أ, إ, ؤ, ئ, ى, ة, space , ., ،, ؟, !, and Arabic numbers 0, 1, 9, so the modulo used is                    . This study discusses the steps in encrypting messages with examples of their application in securing Arabic text documents.
The tropical version of El Gamal Encryption Any Muanalifah; Ayus Riana Isnawati; Rosalio Artes Jr.; Nurwan Nurwan
Journal of Natural Sciences and Mathematics Research Vol. 9 No. 2 (2023): December
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jnsmr.v9i2.18704

Abstract

In this paper, we consider the new version of tropical cryptography protocol, i.e the tropical version of El Gamal encryption.  We follow the ideas and modify the clasical El Gamal encryption using tropical matrices and matrix power in tropical algebra. Then we also provide a toy example for the reader’s understanding. 
Co-Authors Aini Fitriyah Ayus Riana Isnawati Nurwan Nurwan Rosalio Artes Jr. Ulin Nihayah