论文标题
使用来自多个散射层的Speckle的光学通信增强了保密
Enhanced Secrecy in Optical Communication using Speckle from Multiple Scattering Layers
论文作者
论文摘要
我们通过测量两层之间产生的中间斑点的相关性来研究带有两个散射层的光学通信系统的保密，以掩盖发件人和接收器。二进制消息被调制为空间形状的波前，并且散射层的大量传输模式使许多不相关的事件波前发送相同的消息，从而使攻击者难以拦截或解释该消息，从而增加了秘密。我们收集50,000种中间斑点模式，并使用Kolmogorov-Smirnov（K-S）测试分析其相关分布。我们使用K均值和分层无监督分类算法搜索进一步的相关性。我们发现中间斑点与消息之间没有相关性，这表明无法进行中间人的攻击。此方法与任何数字加密方法兼容，并且适用于光学无线通信（OWC）中的编码。
We study the secrecy of an optical communication system with two scattering layers, to hide both the sender and receiver, by measuring the correlation of the intermediate speckle generated between the two layers. The binary message is modulated as spatially shaped wavefronts, and the high number of transmission modes of the scattering layers allows for many uncorrelated incident wavefronts to send the same message, making it difficult for an attacker to intercept or decode the message and thus increasing secrecy. We collect 50,000 intermediate speckle patterns and analyze their correlation distribution using Kolmogorov-Smirnov (K-S) test. We search for further correlations using the K-Means and Hierarchical unsupervised classification algorithms. We find no correlation between the intermediate speckle and the message, suggesting a person-in-the-middle attack is not possible. This method is compatible with any digital encryption method and is applicable for codifications in optical wireless communication (OWC).
