A CIPHER PROPOSAL BASED ON A NOVEL TRIGONOMETRIC CHAOTIC MAP

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dc.contributor.authorUMER NAWAZ
dc.date.accessioned2025-09-25T10:09:58Z
dc.date.available2025-09-25T10:09:58Z
dc.date.issued2023
dc.description.abstractIn the ever-evolving digital era, the sharing of information has become commonplace across numerous platforms and channels. However, this widespread exchange also exposes data to potential vulnerabilities and threats. To counteract such risks, the implementation of a cipher algorithm becomes imperative. Modern ciphers utilize substitution boxes to introduce chaos and fortify data security. In this study, a unique substitution box is constructed utilizing trigonometric functions. To assess the effectiveness of the substitution box, its properties are thoroughly evaluated. Additionally, a novel block cipher is introduced, utilizing the substitution box to encrypt 128 bits of data. The cipher consists of 16 encryption rounds and necessitates a 128-bit key for executing multiple operations. Each round involves the generation of a distinct key for encryption purposes. Comprising four primary functions and a pre-function, the cipher incorporates the designed substitution box to offer substantial complexity, thus ensuring a high level of encryption standard through its chaotic behavior. To validate the efficiency of the proposed cipher, the constructed substitution box undergoes meticulous evaluation using various metrics, while the cipher itself is extensively tested. The obtained results unequivocally demonstrate that the proposed cipher outperforms traditional ciphers, significantly enhancing data security. Furthermore, the proposed cipher exhibits scalability and can be tailored to specific requirements, thereby offering versatility in its application.
dc.identifier.urihttps://escholar.umt.edu.pk/handle/123456789/6935
dc.language.isoen
dc.publisherUMT, Lahore
dc.titleA CIPHER PROPOSAL BASED ON A NOVEL TRIGONOMETRIC CHAOTIC MAP
dc.typeThesis
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