智能电网上基于增强型约翰逊噪声的信息安全密钥分配
Information theoretically secure, enhanced Johnson noise based key distribution over the smart grid with switched filters
摘要：
我们介绍了一个协议，可重构的过滤器系统，以创建非重叠的单回路在智能电网中的基尔霍夫定律约翰逊（类）噪声安全密钥分发系统的实现。该协议是有效的一维放射状网络（链状电力线），这是典型的电力公司和客户之间的配电网络。分析了协议的速度（所需的步骤数）与网格大小的关系。当适当推广时，这样的系统有可能在任意几何尺寸的智能电网上实现无条件安全的密钥分发。
英文摘要：
We introduce a protocol with a reconfigurable filter system to create non-overlapping single loops in the smart power grid for the realization of the Kirchhoff-Law-Johnson-(like)-Noise secure key distribution system. The protocol is valid for one-dimensional radial networks (chain-like power line) which are typical of the electricity distribution network between the utility and the customer. The speed of the protocol (the number of steps needed) versus grid size is analyzed. When properly generalized, such a system has the potential to achieve unconditionally secure key distribution over the smart power grid of arbitrary geometrical dimensions.
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