面向安全高效轻量级图像加密的高非线性S盒的混沌驱动设计
Chaos-driven design of highly nonlinear S-boxes for secure and efficient lightweight image encryption.
摘要(中文译文)
替换盒（S盒）是一种非线性组件，在现代对称密码中提供混淆并增强抗密码分析能力。由于轻量级加密（LWE）系统需要在最小化计算开销的同时实现高度安全性，我们提出了一种混沌驱动的构造方法，利用逻辑斯蒂映射的置换来生成高度非线性的S盒，从而创建双射且统计随机化的替换模式。我们使用标准指标对所提出S盒的密码学强度进行了广泛评估，包括非线性度（NL）、严格雪崩准则（SAC）、比特独立性准则（BIC）、平衡性、差分近似概率（DAP）和线性近似概率（LAP）。我们所提出的S盒实现了112.75的平均非线性度以及非常接近理想阈值的SAC/BIC值，展现出与现有S盒相比具有竞争力的性能。为证明实际适用性，我们将所提出的S盒集成到图像加密方案中，统计分析证实其具有接近理想的熵和可忽略的像素相关性，展现出对统计攻击和差分攻击的强抵抗力。此外，我们所提出的方案在比传统方法更少的轮数内达到了相当的安全水平，从而提升了计算效率和吞吐量，使其适用于实时和资源受限的多媒体安全应用。
Abstract
Substitution boxes (S-boxes) are a type of nonlinear component which provides confusion and robustness to cryptanalysis in modern symmetric ciphers. Due to the requirements of lightweight encryption (LWE) systems to achieve a high degree of security while minimizing computational overhead, we propose chaos-driven constructions of highly nonlinear S-boxes using permutations of the logistic map to create bijective and statistically randomized substitution patterns. We have extensively evaluated the cryptographic strength of our proposed S-box using standard metrics, including Nonlinearity (NL), Strict Avalanche Criteria (SAC), Bit Independence Criteria (BIC), Balancedness, Differential Approximation Probability (DAP), and Linear Approximation Probability (LAP). Our proposed S-box has demonstrated competitive performance with existing S-boxes by achieving average nonlinearity values of 112.75 and SAC/BIC values very close to ideal thresholds. To demonstrate practical applicability, we have integrated the proposed S-box into an image encryption scheme, where statistical analyses confirm near ideal entropy and negligible pixel correlation, demonstrating strong resistance to both statistical and differential attacks. Additionally, our proposed scheme has achieved comparable levels of security within a smaller number of rounds than traditional methods, thus enhancing both computational efficiency and throughput, making it suitable for real-time and resource-constrained multimedia security applications.
如何引用
AMA
Lal Said, Fahad Sameer Alshammari, Majid Khan. Chaos-driven design of highly nonlinear S-boxes for secure and efficient lightweight image encryption.. Scientific reports. 2026; doi:10.1038/s41598-026-58835-x.
APA
Lal Said, Fahad Sameer Alshammari, Majid Khan (2026). Chaos-driven design of highly nonlinear S-boxes for secure and efficient lightweight image encryption.. Scientific reports. https://doi.org/10.1038/s41598-026-58835-x
GB/T 7714
Lal Said, Fahad Sameer Alshammari, Majid Khan. Chaos-driven design of highly nonlinear S-boxes for secure and efficient lightweight image encryption.[J]. Scientific reports, 2026 doi:10.1038/s41598-026-58835-x.
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