A Combination of Hill CIPHER-LSB in RGB Image Encryption

Megantara, Rama Aria; Rafrastara, Fauzi Adi; Mahendra, Syafrie Naufal

doi:10.22219/kinetik.v4i3.785

Cited by 3 publications

(3 citation statements)

References 17 publications

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“…Having tested a combination of Hill Cipher algorithm to encrypt text messages and LSB algorithm to hide text messages into image media [15,16], the trial proved that by combining Hill Cipher and LSB algorithms can increase security without damaging image media. However, these trials need to be carried out more in-depth development by increasing the algorithm from two levels to three levels.…”

Section: Introductionmentioning

confidence: 99%

Message Hiding Using the Least Significant Bit Method with Shifting Hill Cipher Security

Mahendra,

Budiman

2023

JAIS

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Technological developments go hand in hand with advances in digital messaging. In protecting the confidentiality of the message, it is necessary to double secure the data. This security can be done with a combination of steganography and cryptographic techniques. Steganography algorithm which is a technique for hiding messages well, one of which is Least Significant Bit (LSB). The LSB algorithm is a simple method because it only converts the value of the last bit in a message with the inserted message bit, which is a convenience of the LSB algorithm, but it becomes vulnerable to message theft attacks if not combined with other algorithms for security. So it is necessary to increase security. This research developed a combination method of LSB algorithm for steganography technique with Hill Cipher algorithm for cryptographic technique, Hill Cipher was developed with shifting (shifting) 2 (two) characters. With the development of this method, hackers will find it difficult to crack messages, and is expected to improve the performance of the algorithm in affecting image quality and travel time in running the algorithm. The results of this study will be tested using several evaluation tools MSE, PSNR, BER, CER, AE, and Entropy. With the development of this method, hackers will find it difficult to decipher messages, and from the results of this experiment has been able to improve the performance of the algorithm in maintaining image quality and can shorten travel time in running the algorithm.

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Section: Introductionmentioning

confidence: 99%

Message Hiding Using the Least Significant Bit Method with Shifting Hill Cipher Security

Mahendra,

Budiman

2023

JAIS

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“…Information security is an important aspect that needs to be considered in building a system [10]. As the main gate of the system, has gaps and vulnerabilities, including sending and receiving the payload from the server as plain text, because it should be encrypted in sending the payload to maintain the payload's anonymity [11,12,13]. Security in the authentication process needs to be improved to deal with cyberattacks such as data sniffing, cross-site scripting (XSS), and man-in-the-middle attacks [14].…”

Section: Introductionmentioning

confidence: 99%

Block-hash of blockchain framework against man-in-the-middle attacks

Riadi

Umar

Busthomi

et al. 2021

regist. j. ilm. teknol. sist. inf.

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Payload authentication is vulnerable to Man-in-the-middle (MITM) attack. Blockchain technology offers methods such as peer to peer, block hash, and proof-of-work to secure the payload of authentication process. The implementation uses block hash and proof-of-work methods on blockchain technology and testing is using White-box-testing and security tests distributed to system security practitioners who are competent in MITM attacks. The analyisis results before implementing Blockchain technology show that the authentication payload is still in plain text, so the data confidentiality has not minimize passive voice. After implementing Blockchain technology to the system, white-box testing using the Wireshark gives the result that the authentication payload sent has been well encrypted and safe enough. The percentage of security test results gets 95% which shows that securing the system from MITM attacks is relatively high. Although it has succeeded in securing the system from MITM attacks, it still has a vulnerability from other cyber attacks, so implementation of the Blockchain needs security improvisation.

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“…Penelitian oleh Agustini dkk yang melakukan pengabungan onoalphabetic cipher dan Vigenere cipher dengan menerapkan key enkripsi sebanyak dua key[11]. Penelitian oleh Megantara dkk yang melakukan kombinasi algoritma Hill Cipher dengan LSB Cipher dalam mengamankan RGB image dengan proses membuat sistem penentuan pilihan panjang karakter pesan yang terdiri dari 32, 64 dan 128 karakter, yang kemudian dienkripsikan kembali oleh Hill Cipher[17]. Penelitian oleh Megantara dkk yang melakukan peningkatan kompleksitas pengaman pesan dengan super enkrpsi yang dirancanag menggunakan PHP native dengan algoritma Hill Cipher dan Transposisi kolom untuk memudahkan proses enkripsi deskripsi[21].…”

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Analisa Algoritma Kriptografi Klasik Caesar Cipher Viginere Cipher dan Hill Cipher – Study Literature

Noviyanti.¹,

Mira

2022

JIfoTech

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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 oleh komputer yang menghasilkan angka 0 dan 1 atau biasa disebut data biner. Tujuan analisis untuk mengetahui perkembangan keamanan dan kompleksitas algoritma klasik standar dan algoritma klasik dengan modifikasi.

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A Combination of Hill CIPHER-LSB in RGB Image Encryption

Cited by 3 publications

References 17 publications

Message Hiding Using the Least Significant Bit Method with Shifting Hill Cipher Security

Message Hiding Using the Least Significant Bit Method with Shifting Hill Cipher Security

Block-hash of blockchain framework against man-in-the-middle attacks

Analisa Algoritma Kriptografi Klasik Caesar Cipher Viginere Cipher dan Hill Cipher – Study Literature

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