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Real-Time Secure/Unsecure Video Latency Measurement/Analysis with FPGA-Based Bump-in-the-Wire Security

机译：实时安全/不安全视频时延测量/分析基于FPGA的线内安全性

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With the growth of the internet of things (IoT), many challenges like information security and privacy, interoperability/standard, and regulatory and legal issues are arising. This work focused on the information security issue, which is one of the primary challenges faced by connected systems that needs to be resolved without impairing system behaviour. Information, which is made available on the Internet by the things, varies from insensitive information (e.g., readings from outdoor temperature sensors) to extremely sensitive information (e.g., video stream from a camera) and needs to be secured over the Internet. Things which utilise cameras as a source of information pertain to a subclass of the IoT called IoVT (internet of video things). This paper presents secured and unsecured video latency measurement results over the Internet for a marine ROV (remotely operated vehicle). A LabVIEW field programmable gate arrays (FPGAs)-based bump-in-the-wire (BITW) secure core is used to provide an AES (advanced encryption standard)-enabled security feature on the video stream of an IoVT node (ROV equipped with a live-feed camera). The designed LabVIEW-based software architecture provides an option to enable/disable the AES encryption for the video transmission. The latency effects of embedding encryption on the stream with real-time constraints are measured and presented. It is found that the encryption mechanism used does not greatly influence the video feedback performance of the observed IoVT node, which is critical for real-time secure video communication for ROV remote control and piloting. The video latency measurement results are taken using 128, 256 and 512 bytes block lengths of AES for both H.264 and MJPEG encoding schemes transmitted over both TCP and UDP transmission protocols. The latency measurement is performed in two scenarios (i.e., with matching equipment and different equipment on either end of the transmission).
机译：随着物联网（IoT）的发展，出现了许多挑战，例如信息安全和隐私，互操作性/标准以及法规和法律问题。这项工作的重点是信息安全问题，这是需要在不损害系统性能的情况下解决的连接系统所面临的主要挑战之一。物联网在互联网上提供的信息从不敏感的信息（例如，室外温度传感器的读数）到极其敏感的信息（例如，来自摄像机的视频流），都需要通过Internet进行保护。利用相机作为信息源的事物属于物联网的子类，称为IoVT（视频事物的互联网）。本文介绍了针对海上ROV（远程操作车辆）的安全和不安全视频延迟测量结果。基于LabVIEW现场可编程门阵列（FPGA）的线内即插即用（BITW）安全核心用于在IoVT节点（装有ROV的ROV）的视频流上提供启用AES（高级加密标准）的安全功能。实况拍摄的相机）。设计的基于LabVIEW的软件体系结构提供了启用/禁用视频传输的AES加密的选项。测量并显示了在实时约束下将加密嵌入流中的延迟效果。发现使用的加密机制不会极大地影响所观察到的IoVT节点的视频反馈性能，这对于ROV远程控制和引航的实时安全视频通信至关重要。针对通过TCP和UDP传输协议传输的H.264和MJPEG编码方案，使用AES的128、256和512字节块长来获取视频延迟测量结果。延迟测量是在两种情况下执行的（即在传输的任一端使用匹配的设备和不同的设备）。

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