Extended AES algorithm with custom encryption for government-level classified messages

ISSN: 22783075
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Abstract

The paper is primarily concerned with the data security issues faced while sending the data over the network. The issues are can be avoided with the proposed algorithm: Extended AES Algorithm with Custom Configurable Encryption. The added layer of security is based on the Caesar Cipher encryption algorithm. Although the algorithm is highly vulnerable to a few attacks, our modifications in the algorithm are tailor made to deny those attacks completely. The user has no idea that Caesar cipher is being used. Moreover, the key is changed for every word in the message, thus removing the vulnerability to frequency analysis attack. This layer will give some added protection to the underlying AES algorithm, which is already very secure. In today’s electronic age, the importance of digital cryptography in securing electronic data transactions is unquestionable. Every day, users electronically generate and communicate a large volume of information with others. This information includes medical, financial and legal files; automatic and Internet banking; phone conversations, pay-per-view television and other e-commerce transactions as well as military information and some top-secret government intel. To meet these requirements, Advanced Encryption Standard (AES) for encryption of electronic data can be used. Governments prefer using AES for encryption of classified messages. Although no major attack on AES has been discovered yet, it is presumed that AES might have been broken without the attack being known to us. Thus, an added layer is used to make it safer.

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APA

Dasgupta, S., & Das, P. (2019). Extended AES algorithm with custom encryption for government-level classified messages. International Journal of Innovative Technology and Exploring Engineering, 8(8), 2526–2531.

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