| Issue |
E3S Web Conf.
Volume 601, 2025
The 3rd International Conference on Energy and Green Computing (ICEGC’2024)
|
|
|---|---|---|
| Article Number | 00002 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/e3sconf/202560100002 | |
| Published online | 16 January 2025 | |
A new cryptosystem based on an enhanced Vigenere cipher incorporating large SBoxes
1 MATSI Laboratory, ESTO, Mohammed First University, Oujda, Morocco
2 LSIA Laboratory, FST, Sidi Mohamed Ben Abdellah University, Fez, Morocco
* Corresponding author: hamid.elbourakkadi.d23@ump.ac.ma
The present paper explains the development of an innovative cryptographic system designed to encrypt color images at the pixel level. This technique relies on a significant enhancement of the conventional Vigenere method, incorporating the implementation of two large substitution tables generated from the widely used chaotic maps in cryptography. The system integrates new confusion/diffusion functions, governed by binary decision vectors of pseudorandom values. Simulations conducted on an arbitrary selection of images from a database demonstrate that our system can withstand all known attacks.
Key words: S-box / Enhanced Vigenere function / confusion / diffusion
© The Authors, published by EDP Sciences, 2025
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