Dynamic S-BOX using Chaotic Map for VPN Data Security
Kashif Ishaq, Khwaja Ahmad Hassan, Yahya Tauqeer Bhatti

TL;DR
This paper introduces a novel dynamic S-Box based on a chaotic map to enhance the security of symmetric encryption algorithms like AES by increasing unpredictability and resistance to cryptanalytic attacks.
Contribution
It proposes a new chaotic map for generating dynamic S-Boxes and provides a comprehensive security and performance analysis compared to existing S-Boxes.
Findings
The proposed S-Box shows high nonlinearity and strong avalanche properties.
It demonstrates improved resistance to cryptanalytic attacks.
Performance metrics indicate competitive security features.
Abstract
A dynamic SBox using a chaotic map is a cryptography technique that changes the SBox during encryption based on iterations of a chaotic map, adding an extra layer of confusion and security to symmetric encryption algorithms like AES. The chaotic map introduces unpredictability, non-linearity, and key dependency, enhancing the overall security of the encryption process. The existing work on dynamic SBox using chaotic maps lacks standardized guidelines and extensive security analysis, leaving potential vulnerabilities and performance concerns unaddressed. Key management and the sensitivity of chaotic maps to initial conditions are challenges that need careful consideration. The main objective of using a dynamic SBox with a chaotic map in cryptography systems is to enhance the security and robustness of symmetric encryption algorithms. The method of dynamic SBox using a chaotic map…
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Taxonomy
TopicsChaos-based Image/Signal Encryption · Cryptographic Implementations and Security · Coding theory and cryptography
