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Fuzzy extractor provides key generation from biometrics and other noisy data. The generated key is seamlessly usable for any cryptographic applications because its information entropy is sufficient for security. Biometric authentication offers natural and passwordless user authentication in various systems where fuzzy extractors can be used for biometric information security. Typically, a biometric...
With the development of ARM (Advanced RISC Machines) microprocessor embedded system, a method of graphical programming software development is more and more important. The system consists of PC graphical programming software, USB program transmitter and ARM development platform. It is mainly used for developing of graphic software. It can program conveniently through the graphical way, and can perform...
Wireless sensor networks 〈WSNs〉 always have to face the dilemma between limited battery energy and large quantity of data transmission. Breaking data stream into blocks has proved to be an effective way to increase the utilization of the network. However, there is still potential improvement to be achieved to fuse the redundant information, which can be intra-frame or inter-frame. In this article,...
Flex Ray is a new communication protocol standard for future automotive applications that provides time determinism, flexibility and fault-tolerance. It consists of a time-triggered Static Segment and an event-triggered Dynamic Segment in a single communication cycle. The scheduling of tasks in the ECU and messages in the Flex Ray bus can affect each other. Design of the task/message scheduling is...
A focus of recent research activities in cooperative communication is the medium access control (MAC). However, few are from the perspective of energy consumption. In this paper, a novel and generalized energy model for cooperative MAC protocol called CoopMAC, which is a representation of MAC protocols in cooperative transmission, is proposed and its efficacy has been shown. Compared with the previous...
The purpose of the Diffie-Hellman protocol is to enable two users to exchange a secret key securely that can then be used for subsequent encryption of messages. The protocol itself is limited to exchange of the keys. But because of having no entity authentication mechanism, Diffie-Hellman protocol is easily attacked by the man-in-the-middle attack and impersonation attack in practice. In this paper,...
In wireless networks, mutual interference prevents wireless devices from correctly receiving packages from others and becomes one of the challenges in the design of protocols for wireless networks. Spatial-reuse time division multiple access (STDMA) has been used to cope with this problem. In this scheme, links are assigned to several time slots and in each slot all the links can transmit simultaneously...
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