2021
DOI: 10.11591/ijeecs.v23.i1.pp431-437
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An improved vigener algorithm based on circular-left-shift key and MSB binary for data security

Abstract: Cryptography is a significant study area at present since it can be vital to protect exceedingly sensitive and secret information from illegal fraud during network transmission. One of the basic cryptographic algorithms is the Vigenere cipher, which is a very easy encryption method to be used as an alternative to Caesar cipher for encrypting the text of the message. In this paper, we enhance the Vigenere algorithm and propose a new method by shifting the key in each message to prevent repeating the messages. A… Show more

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