A light and Secure Way to Encrypt Images by Shuffling and Substituting Pixels
DOI:
https://doi.org/10.58564/IJCCN.1.2.2025.9Abstract
As digital images share and store is booming, the security of digital image data has become one of the most crucial issues. A lightweight and efficient pixel shuffled and conditional substitution-based image encryption algorithm was proposed in this paper. It first shuffles pixel locations with a key-based chaotic map to increase the confusion and then substitutes pixel values to improve the diffusion. This double encryption process achieves maximal security with negligible computation, and is suitable for real-time execution or resource-limited platforms e.g., mobile systems, or IoT devices. The experimental results show that this method has strong encryption ability, low correlation, high entropy, and a good resistance against common attacks such as brute-force and statistical analysis.
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Copyright (c) 2025 Yasmine M. Khazaal, Monji Kherallah
This work is licensed under a Creative Commons Attribution 4.0 International License.
