Layered security model through integration of Vigenere and Hill Cipher in digital message encryption
DOI:
https://doi.org/10.26905/jisad.v2i2.14005Keywords:
cryptography, Vigenere Chiper, Hill Chiper, layered security, digital messageAbstract
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. This study aims to combine the use of the Vigenere and Hill Cipher algorithms in modeling to maintain the security and confidentiality of digital messages. The focus of this study is on the encryption process of digital messages in the form of text. Layered security in this study utilizes the advantages of each algorithm. The combination of these two algorithms is designed to increase encryption complexity and reduce vulnerability to cryptanalysis attacks. The encryption process begins by using the Vigenere Cipher to encrypt the initial message, then the results are re-encrypted using the Hill Cipher. The results of the study show that this layered security model can improve data security and make it difficult for unauthorized parties to crack it. The combination of the Vigenere and Hill Cipher algorithms can be an alternative layered security for digital message encryption in an effort to protect information and data from security threats in the digital era.
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