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Channel signature authentication for secure optical communications

机译:安全光通信的频道签名认证

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Security in optical communications has been recently a concern due primarily of the vast amount and the sensitivity of information that a single fiber carries. It is generally accepted that data security is encrypted by the end-user and that the optical network is not easy to tap as it was with wired networks. However, the sophistication of eavesdroppers has increased and if an optical link is accessed, then the encryption code of data can be broken with the use of supercomputers. In addition to data eavesdropping, eavesdroppers may access the link for malicious attacks, or for transmitting erroneous data by mimicking a source. Therefore, it is important that the receiver has the means and intelligence to recognize the signature of the source and the optical channel so that when the link is tapped, the receiver recognizes it and it alerts the network management or it triggers a data rerouting process. In fact, an optical channel, including source, fiber and optical components, has its own optical parameters that constitute a signature. These parameters are the result of linear and non-linear phenomena that affect the quality characteristics of the optical signal and which can not be mimicked. Therefore, the understanding of optical parameters that define the optical channel signature is very critical. In this paper we provide an analysis of the factors affecting the signal quality and thus they constitute the signature of the optical channel, we model the optical channel and demonstrate via simulations that small parametric variation affect the signature of the channel. As a result, monitoring the signal parameters leads to source and channel authentication whereas detecting the parametric variability of channel deducts channel degradation or tapping.
机译:光学通信中的安全性最近是主要的,主要是由于单纤维带来的信息的大量和信息的敏感性。通常接受数据安全性通过最终用户加密,并且光网络不容易挖掘,因为它与有线网络一起使用。但是,窃听者的复杂性增加了,如果访问光链路,则可以使用超级计算机的使用可以破坏数据加密码。除了数据窃听时,窃听者还可以访问恶意攻击的链接,或者通过模拟源来传输错误数据。因此,重要的是,接收器具有识别源和光通道的签名的装置和智能,以便在连接链路时,接收器识别它,并且它警告网络管理或触发数据重新路由处理。事实上,光通道,包括源极,光纤和光学组件,具有构成签名的自己的光学参数。这些参数是线性和非线性现象的结果,其影响光信号的质量特性,并且不能模仿。因此,了解定义光学信道签名的光学参数非常关键。在本文中,我们提供了影响信号质量的因素的分析,因此它们构成了光学通道的签名,我们模拟了光通道,并通过模拟显示小的参数变化影响信道的签名。结果,监视信号参数导致源和信道认证,而检测通道的参数可变性缩小或攻丝。

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