ISSN ONLINE(2320-9801) PRINT (2320-9798)

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Research Article Open Access

Hill Cipher Modifications: A Detailed Review

Abstract

Secured communication of information is important across the globe. Cryptography is one of the methods to attain security of information. The Hill cipher (HC) is one of the famous and known symmetric encryption algorithm based on linear matrix transformation. Hill Cipher has several advantages such as masquerading letter frequencies of the plaintext and high throughput. Despite the ease and speed of the Hill Cipher, the original Hill Cipher is no longer used due to the vulnerability against known plaintext-ciphertext attack. So to enhance security of Hill cipher various methods are proposed by different researchers. This paper aims to present review of various techniques used for Hill Cipher modification to improve performance of Hill Cipher in data security.

Narendra B. Parmar, Kirit R. Bhatt

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