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As cyber-physical systems (CPS) build a foundation for visions such as the Internet of Things (IoT) or Ambient Assisted Living (AAL), their communication security is crucial so they cannot be abused for invading our privacy and endangering our safety. In the past years many communication technologies have been introduced for critically resource-constrained devices such as simple sensors and actuators...
In this paper we describe a common problem when it comes to mutual authentication of devices in smart environments. Basically, there exist two approaches. In the brokered approach, two parties authenticate with the help of a common trusted party. However, this often introduces a single point of failure. The alternative approach lets the devices authenticate with each other directly, usually by exchanging...
What visions of technologies such as the Internet of Things (IoT), Pervasive Computing (PC) or Ambient Intelligence (AI) have in common is that they employ a very high amount of critically resource-constrained devices. This of course raises a whole set of new security challenges. Instead of proposing another middleware for IoT, PC or AI, and presenting a security approach for it we focus on existing,...
Usually, safety and robustness are considered as the most important issues when designing and developing smart and wireless eHealth systems for ambient support of patients and physicians. However, information security is an indispensable design criterion due to the sensitive and critical nature of aggregated information from eHealth applications. Therefore, preventing undesired information leaks and...
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