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Article
An improved user authentication and key agreement scheme for roaming service in ubiquitous network
Up till now, numerous authentication and key agreement schemes have been proposed for ubiquitous networks. Recently, Arshad and Rasoolzadegan also proposed an authentication and key agreement scheme for ubiqui...
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Article
Towards secure and efficient user authentication scheme using smart card for multi-server environments
Two user authentication schemes for multi-server environments have been proposed by Tsai and Wang et al., respectively. However, there are some flaws existing in both schemes. Therefore, a new scheme for impro...
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Chapter and Conference Paper
A New Proxy Electronic Voting Scheme Based on Proxy Signatures
Electronic voting (e-voting) is used to solve the problems of traditional paper-based voting and to lower costs. So far, many researchers have offered their secure e-voting systems. However, the existing schem...
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Article
Neural-network-based robust adaptive control for a class of nonlinear systems
In this study, a robust adaptive control (RAC) system is developed for a class of nonlinear systems. The RAC system is comprised of a computation controller and a robust compensator. The computation controller...
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Article
Ein aufgerolltes Kapillarviskosimeter für Blut