Design of Anonymity-Preserving User Authentication and Key Agreement Protocol for Ubiquitous Computing Environments
The spread of mobile devices, PDAs and sensors enabled the construction of ubiquitous computing environments, transforming regular physical spaces into “Smart space” augmented with intelligence and enhanced with services. However, the deployment of this computing paradigm in real-life is disturbed by poor security, particularly, the lack or proper authentication, authorization and key management techniques. Also, it is very important not only to find security measures but also to preserve user privacy in ubiquitous computing environment. In this paper, we propose efficient user authentication and key agreement protocol with anonymity for the privacy-preserving for ubiquitous computing environments. Our scheme is suitable for distributed environments with the computational constrained devices by using MAC-based security association token.
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