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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Salah Abokhatwa

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Open access Sep 2026

Parallel Bit-Level Image Encryption Using a Two-Dimensional Sine-Coupled Map and Josephus Scrambling

This paper presents a parallel bit-level image-encryption scheme based on a two-dimensional sine-coupled chaotic map, a plaintext-dependent SHA-256 key-derivation step, Josephus-based bit scrambling, and feedback diffusion. The image is divided into high- and low-order bit groups, which are scrambled using chaotic sequ...

K. El Hadad, Salah Abokhatwa · 0 citations

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