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Secure and efficient lightweight user authentication protocol for mobile cloud computing becomes a paramount concern due to the data sharing using Internet among the end users and mobile devices. Mutual authentication of a mobile user and cloud service provider is necessary for accessing of any cloud services. However, resource constraint nature of mobile devices makes this task more challenging....
In recent years, mobile devices are becoming an integrated part of our society, and this reinforces the need for security and privacy without incurring additional communication and computation costs. In this paper, we propose a new efficient privacy preserving time-key-based single sign-on (TK-SSO) authenticated key management protocol for mobile devices using elliptic curve cryptography. This allows...
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