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Electronic sensors can benefit many industrial applications, such as automotive engineering. But they have to be protected from attacks and falsifications. The new joint project “sensIC”aims to integrate printed electronics and silicon components directly into products in order to secure sensors. At the Karlsruhe Institute of Technology (KIT), researchers are developing a central component for this: printed safety circuits with special hardware-based functions, so-called Physical Unclonable Functions (PUFs). The Federal Ministry of Research is funding sensIC with a total of 2.9 million euros. The industrial partners are investing a further 1.35 million euros in the project.
In electrically powered vehicles, they monitor the temperature of the batteries in order to optimize their service life and performance; in plants in the chemical and pharmaceutical industries, they monitor the operating status of passive components in order to detect errors immediately: Electronic sensors can reduce costs and improve reliability in many applications and enable new functions. Their use is particularly important when substances such as drinking water or food, oil or gas are transported through pipelines and a trustworthy supply and distribution chain must be guaranteed. Sensors can help to detect manipulations immediately. But sensors that convert physical states into data streams are themselves exposed targets for attacks and falsifications. How can sensors and sensor data be effectively protected? Information security in these applications is currently based primarily on software algorithms. But no software is perfect. Therefore, we also have to ensure safety with the hardware, explains Professor Jasmin Aghassi-Hagmann, head of the research groupLow Power Electronics with Advanced Materials at the Institute for Nanotechnology (INT) at KIT. Additive processes that create two- and three-dimensional components layer by layer are particularly suitable for this. With the help of such components, we can retrofit safety functions without having to hand over the design to the manufacturer. “Therefore, we also have to ensure safety with the hardware, explains Professor Jasmin Aghassi-Hagmann, head of the research groupLow Power Electronics with Advanced Materials at the Institute for Nanotechnology (INT) at KIT. Additive processes that create two- and three-dimensional components layer by layer are particularly suitable for this. With the help of such components, we can retrofit safety functions without having to hand over the design to the manufacturer. “Therefore, we also have to ensure safety with the hardware, explains Professor Jasmin Aghassi-Hagmann, head of the research groupLow Power Electronics with Advanced Materials at the Institute for Nanotechnology (INT) at KIT. Additive processes that create two- and three-dimensional components layer by layer are particularly suitable for this. With the help of such components, we can retrofit safety functions without having to hand over the design to the manufacturer. “