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From information security point of view embedded devices are the elements of complex systems operating in a potentially hostile environment. Therefore development of embedded devices is a complex task that often requires expert solutions. The complexity of the task of developing secure embedded devices is caused by various types of threats and attacks that may affect the device, as well as that in practice security of embedded devices is usually considered at the final stage of the development process in the form of adding additional security features. The paper proposes a design technique and its application that will facilitate development of secure and energy-efficient embedded devices. The technique organizes the search for the best combinations of security components on the basis of solving an optimization problem. The efficiency of the proposed technique is demonstrated by development of a room …