Privacy of information is one of the most important and unavoidable issues in our digitally advance era. A huge amount of information transmitted over different servers and networking protocols. The sphere of digitally advanced world is tied with information in different forms of facilitations, which includes online banking systems, ecommerce and many more. Providing the ease of access, anything online makes our confidential information open to different threats. Therefore, to enjoy ease of access and at the same time secure our digital information from theft, we need a robust information security system. In this article, we have designed a novel and an efficient security system, which provides secrecy to our digital information. The designed encryption scheme is fundamentally a combination of chaos and nonlinear confusion components. We have developed a new mechanism of adding confusion, namely S₈ permutation of double affine transformation to construct 40320 new substitution boxes (S-boxes) having nonlinearity 112 from a single S-box. Moreover, nonlinear Lorenz dynamical system is utilized to select any three S-boxes from 40320 newly generated nonlinear components. To add diffusion in our proposed algorithm, we have utilized Chirikov discrete iterative map. The excellence of an offered digital image encryption has been examined and evaluated with standard benchmarks. The simulation results reveal that the quality of the image encryption passes all these tests and is comparable to current benchmarks.

信息隐私是我们数字化时代最重要和不可避免的问题之一。通过不同的服务器和网络协议传输的大量信息。数字先进世界的领域与不同形式的便利化信息联系在一起，其中包括在线银行系统、电子商务等等。由于易于访问，任何在线内容都使我们的机密信息容易受到不同威胁。因此，为了方便访问并同时保护我们的数字信息免遭盗窃，我们需要一个强大的信息安全系统。在本文中，我们设计了一种新颖且高效的安全系统，可为我们的数字信息提供保密。设计的加密方案基本上是混沌和非线性混淆组件的组合。双仿射变换的S ₈排列以从单个 S-box 构造 40320 个具有非线性 112 的新替换框（S-box）。此外，利用非线性洛伦兹动力学系统从40320个新生成的非线性分量中选择任意三个S-box。为了在我们提出的算法中添加扩散，我们使用了 Chirikov 离散迭代图。所提供的数字图像加密的卓越性已经过标准基准测试和评估。仿真结果表明，图像加密的质量通过了所有这些测试，并且与当前的基准测试相当。