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All Journal Jurnal Matematika UNAND Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam InPrime: Indonesian Journal Of Pure And Applied Mathematics Majalah Ilmiah Matematika dan Statistika (MIMS) Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Jurnal Eurekamatika Journal of Fundamental Mathematics and Applications (JFMA) Prosiding Seminar Nasional Pengabdian Kepada Masyarakat JMT (Jurnal Matematika dan Terapan)
Mahatma, Yudi
Universitas Negeri Jakarta
Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Industrial & Manufacturing Engineering Mathematics Physics Public Health Other

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Journal : Majalah Ilmiah Matematika dan Statistika (MIMS)

 1 
Modifikasi algoritma Hill cipher dengan matriks kunci berupa matriks ketetanggaan Agusfrianto, Fakhry Asad; Ambarwati, Lukita; Mahatma, Yudi
Majalah Ilmiah Matematika dan Statistika Vol. 23 No. 2 (2023): Majalah Ilmiah Matematika dan Statistika
Publisher : Jurusan Matematika FMIPA Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/mims.v23i2.36346

Abstract

Cryptography is one of the parts in mathematics, especially applied mathematics. Cryptography is the science that studies how to secure information that we don't want others to know about the information we have. Based on the development of the times, cryptography is divided into two consisting of classical cryptography and modern cryptography. In this paper, the focus of discussion is on classical cryptography. Furthermore, there are many kinds of classical cryptographic algorithms, such as the Caesar cipher algorithm, the Playfair cipher algorithm, the Vigenere cipher algorithm, and the Hill Cipher algorithm. The focus of discussion in this paper is on the Hill cipher algorithm. The modifications made to the Hill cipher algorithm lie in its key matrix. In this paper, it will be shown how to encrypt and decrypt the message we want to send using the Hill cipher algorithm with the matrix being a adjacency matrix. In which case, the adjacency matrix itself is obtained from the representation of the graph. It is hoped that this algorithm can avoid crypt attacks, especially on ciphertext only-attack.Keywords: Hill cipher algorithm, cryptography, adjacency matrix, plaintext, ciphertextMSC2020: 94A60
Co-Authors Agusfrianto, Fakhry Asad Agustine, Debby Andita Sulistyaningrum Annisaa Prima Hayati Binastya Anggara Sekti Bintang Sirius Dea Febriliana Fajri Debby Agustine Debby Agustine Faisal Nur Cahya Fakhry Asad Agusfrianto Fitriani Fitriani Ibnu Hadi Ibnu Hadi Lorensya Lorensya Lukita Ambarwati Lukita Ambarwati Muhammad Eka Suryana Muhammad Julian Nadilla Okta Permitasari Pratiwi, Rifa Khairunnisa Sandrina Widya Andani Siti Rohmah Rohimah Sudarwanto, Sudarwanto Syarifah Ayu Angela Tiara Nabila Vera Maya Santi Widyanti Rahayu Wiraningsih, Eti Dwi Zainati, Dini