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Journal articles on the topic 'Hill cipher'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Sreeja and Kumar Sharma Mohit. "Advanced Encryption Standard (AES) and Hill Cipher: A Comparative Study." International Journal of Innovative Science and Research Technology 7, no. 12 (2023): 1983–85. https://doi.org/10.5281/zenodo.7553080.

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From ancient time onwards encryption techniques are used to alter plain text in to cryptic text, to protect privacy of the message and also to ensure the security of the message. Various algorithms are used for encryption and its sole purpose is to ensure the privacy of the message. The objective of this research article is to decipher and compare the traditional encryption technique Hill Cipher and modern encryption method, the AES. Hill Cipher and AES are part of the symmetric encryption meaning that encryption and decryption process uses the same key and in both Hill Cipher and AES Algorith

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Haryono, Wasis. "Comparison Encryption of How to Work Caesar Cipher, Hill Cipher, Blowfish and Twofish." Data Science: Journal of Computing and Applied Informatics 4, no. 2 (2020): 100–110. http://dx.doi.org/10.32734/jocai.v4.i2-4004.

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Security is the level of confidentiality of data stored using cryptography. There are many ways you can do to improve security. In this study, the writer will use a method by encrypting the database with the Caesar Cipher Algorithm, Hill Cipher and Blowfish. Caesar Cipher, Hill Cipher and Blowfish are part of the symmetric algorithm, which means that the encryption and decryption process have the same key. The encryption and decryption process in Caesar Cipher, Hill Cipher and Blowfish Algorithms each has one key. algorithm encryption techniques using symmetric passwords have 2 types, namely b

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Wijayanti, Dian Eka. "BEBERAPA MODIFIKASI PADA ALGORITMA KRIPTOGRAFI AFFINE CIPHER." Journal of Fundamental Mathematics and Applications (JFMA) 1, no. 2 (2018): 64. http://dx.doi.org/10.14710/jfma.v1i2.19.

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Affine Cipher Cryptography Technique is one of the techniques in classical cryptography which is quite simple so it is very vulnerable to cryptanalysis. Affine cipher's advantage is having an algorithm that can be modified with various techniques. The modifications that can be made to Affine Cipher is to combine Affine cipher's algorithm with other ciphers, replace Affine cipher's key with various functions and matrices and expand the space for plaintext and ciphertexts on Affine cipher. Affine cipher can also be applied to the stream cipher as a keystream generator. This research discusses se

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Pan, Yining. "The Scope of Application of Letter Frequency Analysis in Substitution Cipher." Journal of Physics: Conference Series 2386, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2386/1/012015.

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Abstract Since its inception, substitution ciphers have been a popular type of cipher, and over time, academics have studied them in an effort to discover patterns that will allow them to be broken. They created it because substitution ciphers are a reasonably simple type of cipher. Through a survey of the literature, this paper investigates the encryption and decryption of three sub-types of monoalphabetic ciphers: shift cipher, affine cipher, and random substitution cipher. Letter frequency analysis is the foundation of the primary decryption technique. After that, two sub-kinds of monoalpha

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Sukma Achriadi, Hardisal, Asmaidi, and M. Sulthan Hanafi. "Encryption and Description of RGB Values in Images Using the Hill Chiper Algorithm." Jurnal Inotera 9, no. 1 (2024): 48–52. http://dx.doi.org/10.31572/inotera.vol9.iss1.2024.id282.

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Information security related to computer use cannot be separated from cryptography. Hill cipher is an application of modulo arithmetic in cryptography. This cryptography technique uses a square matrix as the key used to carry out encryption and decryption. This cryptographic technique was created with the intention of being able to create ciphers (codes) that cannot be broken using frequency analysis techniques. Hill Cipher does not replace each of the same letters in the plaintext with other letters that are the same in the ciphertext because it uses matrix multiplication as a basis for encry

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Mihaylov, Deyan. "Cryptography and Cryptanalysis in MS EXCEL." Mathematics and Informatics LXV, no. 1 (2022): 53–71. http://dx.doi.org/10.53656/math2022-1-4-kri.

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This paper provides implementations of three well-known ciphers – Caesar Cipher, Vigenere Cipher and Hill Cipher in Microsoft Excel. It is shown how the ciphers can be broken by using Brute-force Attack, Frequency Analysis Attack and Known-plaintext Attack. For the purpose of the cryptanalysis the relative occurrence frequencies of the letters and the index of coincidence (κ ) in Bulgarian language are determined. The classical Frequency Analysis Attack is modified using the cross-correlation between frequencies of letters in the natural language and the cipher text. Modular matrix operations

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Pandey, Ashish. "TRANSPOLY HILL CIPHER — AN IMPROVEMENT OVER TRADITIONAL HILL CIPHER." International Journal of Advanced Research in Computer Science 9, no. 1 (2018): 276–78. http://dx.doi.org/10.26483/ijarcs.v9i1.5206.

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Nugraha, Yuniardi Wahyu, Thresye Thresye, and Oni Soesanto. "MODIFIKASI HILL CIPHER DENGAN MENGGUNAKAN MATRIKS KUNCI ORTHOGONAL DAN TRANSPOSITION SUBSTITUTION LEFT RIGHT SHIFT (TSLRS)." EPSILON: JURNAL MATEMATIKA MURNI DAN TERAPAN 17, no. 1 (2023): 133. http://dx.doi.org/10.20527/epsilon.v17i1.9232.

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Matrix is a collection of components arranged in rows and columns, concept of a matrix can be used in solving a problem related to cryptography. A mathematician named Lester Hill created a polyalphabetic cryptographic system called the Hill Cipher. Hill cipher is an algorithm that in its process uses a matrix with size (a × a) as the key matrix. The classic Hill Cipher has the disadvantage that the operation used is not complicated. In this study, the classic Hill Cipher will be modified by using an orthogonal matrix as the key matrix, as well as adding several other operations such as transpo

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Mujaddid, Azzam, and Sumarsono Sumarsono. "A Modifying of Hill Cipher Algorithm with 3 Substitution Caesar Cipher." Proceeding International Conference on Science and Engineering 1 (October 31, 2017): 157–63. http://dx.doi.org/10.14421/icse.v1.294.

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The hill cipher algorithm has the uniqueness of using matrix multiplication in the process where the key used is a matrix that has weaknesses in the process of encryption and decryption. In this paper will be modified to the encryption process with caesar cipher substitution. The principle of the hill cipher algorithm using the multiplication of the 2x2 key matrix of keys is enhanced through process modification lies in the combination of initial character determination using the substitution of 3 caesar ciphers. From the results of this modification can be seen that the more the number of cha

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Tuasikal, Abdul Rauf, Dolly Indra, and Farniwati Fattah. "Analisis Perbandingan Known Plaintext dan Chosen Plaintext Pada Metode Hill Chiper." Buletin Sistem Informasi dan Teknologi Islam 1, no. 1 (2020): 1–5. http://dx.doi.org/10.33096/busiti.v1i1.514.

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Hill Cipher yang merupakan polyalphabetic cipher dapat dikategorikan sebagai block cipher karena teks yang akan diproses akan dibagi menjadi blok-blok dengan ukuran tertentu. Setiap karakter dalam satu blok akan saling mempengaruhi karakter lainnya dalam proses enkripsi dan dekripsinya, sehingga karakter yang sama tidak dipetakan menjadi karakter yang sama pula. Hill Cipher merupakan salah satu algoritma kriptografi kunci simetris. Algoritma Hill Cipher menggunakan matriks berukuran m x m sebagai kunci untuk melakukan enkripsi dan dekripsi. Dasar teori matriks yang digunakan dalam Hill Cipher

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G., Rekha, and Srinivas V. "A NOVEL APPROACH IN HILL CIPHER CRYPTOGRAPHY." INTERNATIONAL JOURNAL OF MATHEMATICS AND COMPUTER RESEARCH 11, no. 06 (2023): 3503–5. https://doi.org/10.5281/zenodo.8095252.

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Cryptography plays a vital role in securing sensitive information in various domains. Hill cipher, a classic encryption technique, has been widely used for its simplicity and effectiveness. However, the original Hill cipher is susceptible to certain attacks due to its limited key space and vulnerable characteristics. In this study, we propose an enhanced version of the Hill cipher called the “Block Hill Cipher” that overcomes the limitations of the original algorithm while preserving its fundamental principles. To increase the safety and effectiveness of the encryption process, the

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Beddolo, Chaeril Anwar, Arman, and Herdi Budiman. "KRIPTOGRAFI HILL CIPHER MENGGUNAKAN MATRIKS FIBBONACCI." Jurnal Matematika Komputasi dan Statistika 4, no. 3 (2025): 790–800. https://doi.org/10.33772/jmks.v4i3.105.

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Era digital telah membuat informasi online menjadi bagian integral dari kehidupan sehari-hari, tetapi masalah keamanan data telah meningkat. Teknik Kriptografi Hill Cipher dan Fibonacci dapat digunakan untuk enkripsi dan dekripsi data. Penelitian ini menjelaskan penerapan dan kekuatan dari Matriks Fibonacci sebagai kunci dalam enkripsi dan dekripsi pesan dalam Kriptografi Hill Cipher. Penelitian ini membahas tentang algoritma Kriptografi Hill Cipher, pembentukan Matriks Fibonacci, kelayakan matriks Fibonacci, menentukan algoritma enkripsi dan dekripsi, menilai kualitas cipherteks dari hasil en

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S. Vani Shree. "Encryption and Decryption of Data Using Edge Bimagic Mean Labeling and Hill Cipher Technique." Advances in Nonlinear Variational Inequalities 28, no. 6s (2025): 53–63. https://doi.org/10.52783/anvi.v28.4118.

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In the past few decades, a technology for encrypting and decrypting messages using the hill cipher crypto system and graph labeling technique has emerged. While considering two symmetric cipher types namely substitution cipher and transposition cipher, Hill cipher is a type of substitution cipher used for encrypting a group of letter. In this research, a labeling concept namely Edge Bimagic Mean Labeling has been introduced and it is substantiated for the ladder related graphs. The encryption process and the decryption process of a text using Hill cipher are also analyzed by making use of the

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Febrianto, Erla Rizky, and Eko Adi Sarwoko. "Kriptografi Citra Digital Menggunakan Algoritma Hill Cipher Dan Affine Cipher Berbasis Android." JURNAL MASYARAKAT INFORMATIKA 10, no. 2 (2019): 11–21. http://dx.doi.org/10.14710/jmasif.10.2.31495.

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Perkembangan teknologi saat ini mengakibatkan semakin mudah pertukaran informasi. Citra merupakan data yang bersifat informatif, bahkan mengandung informasi penting bagi sebagian pihak. Keamanan terhadap kerahasiaan informasi atau data dari citra harus terjaga dan terjamin keasliannya sehingga tidak terjadi penyalahgunaan informasi oleh pihak yang tidak bertanggung jawab. Pada penelitian tugas akhir ini membahas tentang kriptografi citra digital menggunakan algoritma Hill Cipher dan Affine Cipher berbasis Android. Algoritma Hill Cipher dipilih karena salah satu dari algoritma kriptografi klasi

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Ginting, Victor Saputra. "Penerapan Algoritma Vigenere Cipher dan Hill Cipher Menggunakan Satuan Massa." Jurnal Teknologi Informasi 4, no. 2 (2020): 241–46. http://dx.doi.org/10.36294/jurti.v4i2.1365.

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Abstract – Technological developments in data security systems to ensure the confidentiality of data information has developed rapidly. To maintain the confidentiality of data information, there are sciences in development such as steganography and cryptography. The application is carried out not only for one data security technique but also by combining or modifying algorithms. This study aims to create a data security system by implementing a modified vigenere cipher and hill cipher algorithm. The results of this research are in the form of The encryption process using combined methods such

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Agusfrianto, Fakhry Asad, Lukita Ambarwati, and Yudi Mahatma. "Modifikasi algoritma Hill cipher dengan matriks kunci berupa matriks ketetanggaan." Majalah Ilmiah Matematika dan Statistika 23, no. 2 (2023): 106. http://dx.doi.org/10.19184/mims.v23i2.36346.

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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

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Omar, Fatma, and Fatema Soleman. "The Hill Cipher For Arabic Letters By Rectangular Matrix Key." مجلة الجامعة الأسمرية 9, no. 4 (2024): 237–48. https://doi.org/10.59743/jau.v9i4.2103.

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Hill Cipher is one of the symmetric key algorithms in cryptography, we discussed Encryption and decryption for the alphabet Arabic by Hill cipher encryption and descriptions using the invertible matrix as a key. In this study, we introduce a new method on the Hill Cipher for the alphabet Arabic using a rectangular matrix as a key.

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Sari, Nindy Devita, and Dony Arius. "Modifikasi Algoritma Hill Cipher dengan Tabel Periodik Unsur Kimia Menggunakan Kode Nomor Operator Seluler di Indonesia." Jurnal Teknologi Informasi 4, no. 2 (2020): 202–7. http://dx.doi.org/10.36294/jurti.v4i2.1339.

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Abstract - The exchange of information through the virtual world has various benefits as an example of fast time estimation, physical distance, and unlimited space limit. But in such activities can also pose a security risk in confidential information. This remote information exchange demands security for the confidentiality of information exchanged. One way of hiding messages in a shipment is to convert data into one that is not understood by encoding and insertion using cryptographic techniques. One of the cryptographic techniques for text encoding is the Hill Cipher algorithm. The Hill Ciph

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Vera Wijaya. "Aplikasi Algritma Hill Cipher Pada Data Citra." Jurnal Armada Informatika 4, no. 1 (2020): 309–12. https://doi.org/10.36520/jai.v4i1.39.

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Permasalahan dalam sistem ini adalah bagaimana mengimplementasikan kriptografi citra digital dengan menggunakan metoda Hill Chiper sehingga dapat menjamin keamanan dari gambar digital tersebut dari pihak-pihak yang tidak berhak untuk mengetahuinya atau melakukan perubahan dalam citra digital tersebut. Kriptografi citra digital ini dirancang menggunakan metode Hill Chiper diimplementasikan dengan bahasa pemograman Visual Studio. Metode Hill Chiper ini merupakan metode Hill Cipher merupakan salah satu algoritma kriptografi kunci simetris. Algoritma Hill Cipher menggunakan matriks berukuran m x m

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Gobburi Rekha. "Encryption and Decryption using Hill Cipher and Integral Transforms." Communications on Applied Nonlinear Analysis 31, no. 6s (2024): 143–52. http://dx.doi.org/10.52783/cana.v31.1173.

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We know that Hill Cipher is one of the regular methods that is used in cryptography for encryption and decryption of data using modular arithmetic under different modulus. Moreover, we have seen results using some integral transforms like Laplace transforms, Aboodh transforms and many more. This paper extracts the result of dual encryption and decryption with a combination of Hill Cipher and few integral transforms. Introduction: In many circumstances, the sender wants to keep the message private from the public or from unauthorized users. Here, we combine Hill Cipher with Laplace and Kamal tr

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As Saidah, Muthiah, Aggry Saputra, and Zulkipli Zulkipli. "Enhanced Data Security Using 5x5 Hill Cipher with Modular 53." Jurnal Bangkit Indonesia 13, no. 2 (2024): 1–6. http://dx.doi.org/10.52771/bangkitindonesia.v13i2.323.

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This research presents an optimized approach to the Hill Cipher encryption and decryption algorithm using a 5x5 matrix and modular 53 arithmetic. The traditional Hill Cipher, a well-known symmetric key algorithm, typically utilizes smaller matrices and modular arithmetic, which may not provide sufficient security for contemporary applications. By expanding the key matrix to a 5x5 structure and adopting a larger modulus of 53, the complexity and security of the cipher are significantly enhanced. The study details the methodology for constructing and implementing the 5x5 key matrix, as well as t

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Hamrul, Heliawati, Awaldi Awaldi, Suhardi Suhardi, and Adi Heri. "STEGANOGRAFI BERBASIS CITRA DIGITAL UNTUK MENYEMBUNYIKAN DATA MENGGUNAKAN KOMBINASI MULTI BIT LSB DENGAN HILL CIPHER." D'computare: Jurnal Ilmiah Teknologi Informasi dan Ilmu Komputer 12, no. 2 (2022): 10–18. http://dx.doi.org/10.30605/dcomputare.v12i2.47.

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Penelitian ini bertujuan menghasilkan Steganografi berbasis citra digital menggunakan kombinasi Hill Chipper dan Least Significant Bit untuk pengamanan data. Tahapan penelitian terdiri atas mengidentifikasi masalah, kemudian melakukan studi literatur berkaitan dengan masalah penelitian. Lalu melakukan pengumpulan data atau sampel yang akan diteliti. Sampel yang diteliti adalah pesan atau data berbentuk teks dan cover image (citra penampung) dalam bentuk file.JPEG. Dilanjutkan dengan merancang dan mengimplementasi metode menggunakan sampel yang telah ditentukan. Pada tahap akhir dilakukan pengu

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Ramadhani, Argia Putri, Nanda Putri Tami, Asih Lestari, and Moh Erkamim. "Layered security model through integration of Vigenere and Hill Cipher in digital message encryption." Journal of Information System and Application Development 2, no. 2 (2024): 144–56. http://dx.doi.org/10.26905/jisad.v2i2.14005.

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The rapid development of digitalization has a significant impact on data and information protection. One approach to protecting data and information is through the use of cryptography. The research aims to combine the use of Vigenere and Hill Cipher algorithms in modeling to maintain the security and confidentiality of digital messages. The focus of this research is on the process of encrypting digital text messages. The layered security in this study takes advantage of the advantages of each algorithm. The combination of the two is designed to increase the complexity of encryption and reduce

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Handoko, Lekso Budi, and Abdussalam Abdussalam. "Text Security Using Vigenere Cipher and Hill Cipher." Bit (Fakultas Teknologi Informasi Universitas Budi Luhur) 19, no. 1 (2022): 37. http://dx.doi.org/10.36080/bit.v19i1.1790.

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Hassan, A., A. Garko, S. Sani, U. Abdullahi, and S. Sahalu. "Combined Techniques of Hill Cipher and Transposition Cipher." Trends Journal of Sciences Research 1, no. 1 (2023): 57–64. http://dx.doi.org/10.31586/jml.2023.822.

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Yudantiar, Mayang Arinda, Purwanto Purwanto, and Sri Winarno. "Keyword Security Implementation Based on Hill Cipher Optimized Using Genetic Algorithms." International Journal of Artificial Intelligence & Robotics (IJAIR) 5, no. 2 (2023): 44–53. http://dx.doi.org/10.25139/ijair.v5i2.6907.

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In the process of exchanging data and information, the most important task is to maintain data and information security and reach out to interested parties. One way this can be achieved is through encryption, a process better known as cryptography. Cryptography can scramble messages so that, even if intercepted, the message cannot be immediately read. One example of an encryption algorithm is the Hill Cipher. The Hill Cipher uses an m-by-m-sized matrix as the key for the encryption and decryption process, making it a challenging algorithm to crack. The key provided for the Hill Cipher encrypti

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Deolika, Agatha. "Modifikasi Metode Hill Cipher dan Vernam Cipher Mengunakan Kode Administrasi dan Pajak." Jurnal Teknologi Informasi 4, no. 2 (2020): 224–27. http://dx.doi.org/10.36294/jurti.v4i2.1345.

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Abstract - Access to information in the current era is easily accessible and can be accessed anywhere and anytime. Our data can be accessed in public or confidential, for confidential data the very need for security is taken or manipulated by parties who are not responsible. One way to support data is by disguising data to codes that cannot be done using cryptography. In cryptography that contains many algorithms, this study combines the Hill cipher and Vernam Cipher methods that facilitate using the state administration code and Tax. The results of this study are the hill cipher conversion me

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Siahaan, Andysah Putera Utama. "Dynamic Key Matrix of Hill Cipher Using Genetic Algorithm." International Journal of Advances in Applied Sciences 6, no. 4 (2017): 313. http://dx.doi.org/10.11591/ijaas.v6.i4.pp313-318.

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The matrix in Hill Cipher was designed to perform encryption and decryption. Every column and row must be inserted by integer numbers. But, not any key that can be given to the matrix used for the process. The wrong determinant result cannot be used in the process because it produces the incorrect plaintext when doing the decryption after the encryption. Genetic algorithms offer the optimized way to determine the key used for encryption and decryption on the Hill Cipher. By determining the evaluation function in the genetic algorithm, the key that fits the composition will be obtained. By impl

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Rasudin, Rasudin, Zulfan Zulfan, and Pobi Rizki. "ANALISIS PERBANDINGAN KEAMANAN KRIPTOGRAFI KLASIK PADA ALGORITMA SECURE HILL CIPHER BERBASIS KODE ASCII DAN MONOALPHABETIC." Jurnal Teknologi Terapan and Sains 4.0 3, no. 1 (2022): 729. http://dx.doi.org/10.29103/tts.v3i1.9411.

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Masalah keamanan dan kerahasiaan merupakan salah satu aspek penting dari suatu data,pesan dan informasi. Pengirim suatu pesan, data dan informasi yang sangat penting membutuhkan tingkat keamanan yang tinggi. Kriptografi merupakan sebuah ilmu yang mempelajari tentang proses pengamanan data. Secure Hill Cipher merupakan algoritma modifikasi dari algoritma Hill Cipher yang ditemukan pada tahun 1929 oleh L.S. Hill yang merupakan algoritma kriptografi klasik simetris yang sangat terkenal berbasis transformasi matriks. Tujuan dari penelitian ini adalah untuk dapat melihat perbandingan kemanan dari p

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Gobburi Rekha. "Some Results of Data Encryption and Decryption using Euler’s Totient Function." Communications on Applied Nonlinear Analysis 31, no. 5s (2024): 440–48. http://dx.doi.org/10.52783/cana.v31.1063.

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In this paper, we discuss about the Hill Cipher cryptosystem, the RSA public-key cryptosystem, developed by Rivest, Shamir, Adleman for text encoding and decoding. To encrypt and decrypt the message, we use the Euler Phi-function, congruences, and matrix multiplication. Further, we employ two keys for coding and decoding. Introduction: In present, computer networks, internet and mobile communications are important and inevitable part of our society and security of information from hackers is a big task. One of the most widely used applications for information security is Cryptography. Usually

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Nihayah, Ulin, Any Muanalifah, and Aini Fitriyah. "Algorithm Hill Cipher for Securing Arabic Text Documents." Journal of Natural Sciences and Mathematics Research 3, no. 2 (2017): 247–51. http://dx.doi.org/10.21580/jnsmr.2017.3.2.10950.

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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.

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Permata Dewi, Novita, David J. M. Sembiring, Raheliya BR. Ginting, and Meiliyani BR. Ginting. "Pengamanan Data dengan Kriptografi Hibrida Algoritma Hill Cipher dan Algoritma Luc Serta Steganografi Chaotic Lsb." Jurnal Health Sains 3, no. 2 (2022): 341–61. http://dx.doi.org/10.46799/jsa.v3i2.389.

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Data yang bersifat rahasia biasanya memuat informasi penting, memiliki nilai yang tinggi dan tidak seharusnya diketahui oleh sembarang pihak, seperti data tentang bisnis, politik dan lainnya. Hal ini memicu munculnya usaha-usaha untuk mengetahui keberadaan dan isi informasi dari pihak yang tidak bertanggungjawab. Pada penelitian ini dilakukan pengamanan data dengan teknik kritografi hibrida dengan mengkombinasikan algoritma Hill Cipher dan LUC. Kunci Algoritma Hill Cipher akan diamankan oleh Algoritma LUC. Pesan asli (plaintext) dienkripsi dengan Hill Cipher. Sedangkan untuk pendistribusian ku

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Ro'uf, Ikhsan Abdul, Mukhammad Solikhin, Lita Wulandari Aeli, Andi Daniah Pahrany, and Irmatul Hasanah. "IMPLEMENTASI MATRIKS ATAS GELANGGANG Z_p⨁Z_q⨁Z_r PADA KRIPTOGRAFI CIPHER HILL." Jurnal Kajian Matematika dan Aplikasinya (JKMA) 4, no. 1 (2023): 15. http://dx.doi.org/10.17977/um055v4i12023p15-23.

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Cryptography is a method for securing data or information from data leaks. In cryptography, there are two important processes, namely, the encryption and decryption processes. Encryption is the process of changing plaintext into ciphertext using certain keys and algorithms, while decryption is the process of changing ciphertext into plaintext using keys and algorithms that match the encryption. There is a cryptosystem that is well known, namely Cipher Hill. Cipher Hill uses a square matrix for the encryption and decryption process. In this research, an mxn-sized matrix will be used over the Di

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Pratiwi, Putri Nisa, and Sisilia Sylviani. "Implementasi Matriks Skew-symmetric dalam Metode Kriptografi Affine-Hill Cipher." Mathematical Sciences and Applications Journal 4, no. 1 (2023): 40–45. http://dx.doi.org/10.22437/msa.v4i1.28864.

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The concept of cryptography is widely used to reduce data security threats along with developments in information technology. Affine Cipher is an example of classic cryptography that utilizes modular operations and shifts on characters. On the other hand, Hill Cipher method is more dependent on matrix operations. The combination of the two methods, Affine-Hill Cipher, creates a more complex and superior method in terms of security. In this research, we utilize a square skew-symmetric matrix with an order corresponds to the secret key to construct the key matrix. The encryption and decryption p

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Sujarwo, Sujarwo. "Key analysis of the hill cipher algorithm (Study of literature)." Jurnal Mandiri IT 12, no. 3 (2024): 135–41. http://dx.doi.org/10.35335/mandiri.v12i3.250.

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The security of the data (message) sent is very important in maintaining the confidentiality of the message. Many algorithms can be used to secure messages. Among them is the Hill Cipher algorithm. The Hill Cipher algorithm is a classic cryptographic algorithm. This algorithm uses a square matrix key. In connection with the Hill Cipher algorithm key, this literature aims to examine the matrix that can be used as a key in the encryption and decryption process in the Hill Cipher algorithm. In this literature, we take a square matrix of order 3x3 and use 36 characters (A-Z, 0-9). To produce ciphe

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Siregar, Muhaimi Rizki, Heri Santoso, and Aidil Halim Lubis. "Kombinasi Algoritma Beaufort Chiper dan Hill Chiper Dalam Mengamankan File Dokumen Berbasis Mobile." JISTech (Journal of Islamic Science and Technology) 9, no. 2 (2024): 146. https://doi.org/10.30829/jistech.v9i2.22633.

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Penelitian ini bertujuan untuk mengamankan suatu file dokumen yang memiliki informasi yang bersifat rahasia atau pribadi. Sehingga dibutuhkan suatu sistem yang dapat digunakan untuk mengamankan file dokumen sehingga tidak dapat diakses oleh orang lain yang tidak berkepentingan. Pengamanan file dokumen dilakukan menggunakan kombinasi algoritma beaufort cipher dan hill cipher. Beaufort cipher adalah salah satu varian dari vigenèrecipher di mana cara melakukan enkripsi dan dekripsi hampir sama dengan melakukan enkripsi dan dekripsi pada vigenèrecipher. HillCipher merupakan salah satu algoritma kr

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B, Ananda Priya, Gnanachandra P, and Seenivasan M. "AI-Driven Innovations in Cryptography: Enhancing Key Generation and Security." E3S Web of Conferences 399 (2023): 08001. http://dx.doi.org/10.1051/e3sconf/202339908001.

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In this paper, we introduce a novel approach for securing confidential data through a symmetric key cryptographic algorithm called the modified Hill Cipher by utilizing rhotrices. We provide a step-by-step procedure to implement this method and elucidate the process through an example. The modified Hill Cipher technique uses AI to generate key rhotrix and incorporates the use of rhotrices and rhotrix algebra to encrypt plain text and decrypt cipher text.

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Haj, Mais, and Mohammad Qatawneh. "Parallel Hill Cipher Encryption Algorithm." International Journal of Computer Applications 179, no. 19 (2018): 16–24. http://dx.doi.org/10.5120/ijca2018916326.

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Sylviani, Sisilia, and Fahmi Candra Permana. "PENGGUNAAN MATRIKS ORDO 7X4 DAN HILL CIPHER DALAM MODIFIKASI METODE PLAYFAIR CIPHER." Jurnal Edukasi dan Sains Matematika (JES-MAT) 10, no. 1 (2024): 41–54. http://dx.doi.org/10.25134/jes-mat.v10i1.9191.

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Artikel ini membahas tentang modifikasi Playfair Cipher dan penggabungan dengan Hill cipher. Modifikasi Playfair Cipher dilakukan dengan mengubah matriks playfair 5x5 menjadi matriks 7x4 dimana disertakan simbol “*” dan “#”. Matriks 7x4 ini membuat korespondensi satu ke satu antara plaintext dan ciphertext yang membuat proses enkripsi dan dekripsi jauh lebih mudah dan tidak menimbulkan keambiguan. Teks lebih tidak mudah terbaca saat muncul simbol-simbol ini dalam ciphertext. Setelah dilakukan enkripsi dengan metode playfair, selanjutnya akan diteruskan dengan metode hill cipher dengan bilangan

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Osemwegie, Omoruyi, Okereke Chinonso, Okokpujie Kennedy, Noma-Osaghae Etinosa, Okoyeigbo Obinna, and John Samuel. "Evaluation of the quality of an image encrytion scheme." TELKOMNIKA Telecommunication, Computing, Electronics and Control 17, no. 6 (2020): 2968–74. https://doi.org/10.12928/TELKOMNIKA.v17i6.10488.

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Encryption systems have been developed for image viewing applications using the Hill Cipher algorithm. This study aims to evaluate the image encryption quality of the Hill Cipher algorithm. Several traditional metrics are used to evaluate the quality of the encryption scheme. Three of such metrics have been selected for this study. These include, the Colour Histogram, the Maximum Deviation (comparing the original image) and the Entropy Analysis of the encrypted image. Encryption quality results from all three schemes using a variety of images show that a plain Hill Cipher approach gives a good

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Sholahudin, Dani Maulana, and Asmunin Asmunin. "Implementasi Algoritma Hill Cipher untuk Proses Enkripsi dan Dekripsi Citra Berwarna dengan Modifikasi Padding." Journal of Informatics and Computer Science (JINACS) 1, no. 04 (2020): 228–34. http://dx.doi.org/10.26740/jinacs.v1n04.p228-234.

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Abstrak— Teknologi digital yang berkembang menciptakan kemudahan untuk mengakses data digital misalnya foto yang telah disimpan dalam komputer. Namun di sisi lain perkembangan teknologi juga menimbulkan sebuah peluang kepada tindak kejahatan di dunia maya untuk mencuri data, mengubah data atau merusak data. Informasi yang penting akan menjadi sebuah masalah apabila jatuh di tangan orang yang salah dan tidak bertanggung jawab. Kriptografi sudah lama di pakai untuk keamanan data salah satunya adalah hill cipher. Pada penelitian ini penulis mencoba untuk membuat aplikasi keamanan data gambar deng

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Maxrizal, Maxrizal. "Hill Cipher Cryptosystem over Complex Numbers." Indonesian Journal of Mathematics Education 2, no. 1 (2019): 9. http://dx.doi.org/10.31002/ijome.v2i1.1217.

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The Hill Cipher cryptosystem is a symmetry key cryptosystem. This cryptosystem uses the concept of integer over modulo p. This cryptosystem uses a matrix K as a secret key. We must choose the key matrix K which has an inverse in modulo p. This secret key matrix will be used by the sender and recipient of the message to encrypt and descript the message. For this reason, this paper will discuss the generalization of Hill Cipher using matrices over complex numbers. Calculation of determinants and inverses of the matrix K will adopt a system of determinant and inverse calculations on Hill Cipher.

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Noviyanti. P and Mira. "Analisa Algoritma Kriptografi Klasik Caesar Cipher Viginere Cipher dan Hill Cipher – Study Literature." Journal of Information Technology 2, no. 1 (2022): 23–30. http://dx.doi.org/10.46229/jifotech.v2i1.387.

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Proses ekripsi dan deskripsi suatu pesan merupakan pihak ketiga yang disebut kriptografi. Kriptografi adalah teknik untuk mentransfer informasi secara aman antara dua pihak tanpa diintervensi oleh elemen eksternal. Proses pengaman informasi dapat dilakukan dengan beberapa algoritma kriptografi yang tersedia. Algoritma kriftografi terdiri dari dua era yaitu, algoritma klasik dan algoritma modern. Algoritma klasik pada umumnya digunakan pada jaman dulu dengan hanya menggunakan metode subtitusi dan permutasi. Sedangkan algoritma modern adalah algoritma yang dapat dikenali, dibaca dan dimengerti o

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Ahmad, Shish, DR Mohd Rizwan beg, Dr Qamar Abbas, Jameel Ahmad, and Syed Mohd Atif. "Comparative Study between Stream Cipher and Block Cipher using RC4 and Hill Cipher." International Journal of Computer Applications 1, no. 25 (2010): 15–21. http://dx.doi.org/10.5120/465-770.

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Rauf, Budi Wijaya. "Kombinasi Steganografi Bit Matching dan Kriptografi Playfair Cipher, Hill Cipher dan Blowfish." Jurnal Teknologi Informasi 4, no. 2 (2020): 228–33. http://dx.doi.org/10.36294/jurti.v4i2.1346.

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Abstract - To secure data, cryptographic techniques are needed, but many cryptographic methods are vulnerable that require attacks. But not with the Blowfish method which includes a symmetric key algorithm that has the same key to encrypt and decrypt data. The blowfish algorithm is a block cipher and until now. Blowfish is still superior in the field of strength endurance will receive attacks from outside by people who are not responsible. In this study, a test will be carried out to see the time used to make a suitable steganographic combination and to combine several cryptographic methods su

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FARIDAH BINTI YUNOS, Nur Aqilah Fakhira Binti Ayub, Nurul Fatin Atiqa Binti Mohammad Rasyidi, and Muhammad Asyraf Bin Asbullah. "Self-Invertible Key on Cipher Polygraphic Polyfunction with Eigen Matrix based IMIE." Applied Mathematics and Computational Intelligence (AMCI) 13, no. 3 (2024): 13–25. http://dx.doi.org/10.58915/amci.v13i3.344.

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Hill Cipher’s System and its modifications are still practiced mainly in sending a secret message involving images. One drawback that the recipient of the message is trying to overcome is to get the decryption key from the cipher text to plain text during the decryption process. Previous studies have proven that using self-invertible keys can reduce the computation cost to obtain this key. This paper generates a self-invertible matrix based on Integer-Entry Matrix with all Integer Eigenvalues (IMIE). Subsequently, we executed it into Cipher Polygraphic Polyfunction Cryptosystem and observed th

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Queency, Aurillya, and Sisilia Sylviani. "Aplikasi Modifikasi Algoritma Vigenere Cipher dan Hill Cipher Menggunakan Konversi Suhu." Mathematical Sciences and Applications Journal 4, no. 1 (2023): 13–20. http://dx.doi.org/10.22437/msa.v4i1.28858.

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Cryptography is a method used to maintain the confidentiality of messages and data. Modifications or combinations of algorithms can be made to make the process of cracking secret messages more difficult than just one algorithm. This research aims to apply a combination of modified Vigenere Cipher algorithm, modified Hill Cipher algorithm, and temperature conversion equations to maintain a messageâ€™s confidentiality. By determining one plaintext and the required keys, the encryption and decryption process uses a modified Vigenere Cipher algorithm, a modified Hill Cipher algorithm, and all temp

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Lindawati, Lindawati, Irma Salamah, Asriyadi Asriyadi, and Mohammad Fadhli. "SISTEM PERSEDIAAN SLOT PARKIR DENGAN PENGAMAN DATA BERBASIS ARDUINO." Jurnal Digit 9, no. 2 (2020): 122. http://dx.doi.org/10.51920/jd.v9i2.113.

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Penelitian ini merancang suatu sistem pendeteksi ketersediaan slot parkir dengan pengaman data yang berbasis arduino. Pengaman data yang digunakan adalah dengan menggunakan metode kriptografi dalam bentuk algoritma hill cipher. Teknik algoritma hill cipher ini menggunakan sebuah matriks persegi sebagai kunci yang digunakan untuk melakukan enkripsi dan dekripsi. Cara kerja sistem ketersediaan slot parkir, dimulai dari proses perangkat lunak yang telah di rancang. Lalu sensor akan menginisialisasikan input output pada arduino mega. Selanjutnya, apabila pengendara pada pintu masuk melakukan tag k

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Abdullah, Alharith A., Rifaat Khalaf, and Mustafa Riza. "A Realizable Quantum Three-Pass Protocol Authentication Based on Hill-Cipher Algorithm." Mathematical Problems in Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/481824.

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A realizable quantum three-pass protocol authentication based on Hill-cipher algorithm is presented by encoded and decoded plaintext using classical Hill-cipher algorithm. It is shown that the encoded message transferred to the particles called quantum state where we assumed that a photon is used as a qubit and after the encoded message is transferred into photons, the polarization of each photon is rotated by an angleθj, which is chosen randomly for each qubit. The sender and receiver agree over a Hill-cipher key, the encryption occurs by utilization of the quantum three-pass protocol (QTPP),

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Hidayatuloh, Kamil, Yustantina Yustantina, and Kusmadi Kusmadi. "PERBANDINGAN METODE STREAM CIPHER DAN HILL CIPHER DALAM KEAMANAN DATA." Infotronik : Jurnal Teknologi Informasi dan Elektronika 6, no. 1 (2021): 27. http://dx.doi.org/10.32897/infotronik.2021.6.1.647.

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Keamanan data atau informasi menjadi topik yang selalu diperbincangkan khalayak ramai, kerahasiaan data dan informasi menjadi hal yang sangat penting untuk dijaga. Tetapi Kejahatan cyber makin sering kita dengar di media masa. Pelaku kejahatan memanfaatkan celah keamanan yang terdapat dalam sistem, untuk dimasuki dan dilakukan manipulasi sebuah data atau informasi. Kriptografi saat ini menjadi salah satu solusi yang banyak diminati karena sudah terbukti bisa mengamankan data dan informasi secara efektif. Bahkan, kriptografi sudah ada di dalam kehidupan kita saat ini, mulai dari transaksi di me

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