Mobility

Neighborhood Prediction Based Decentralized Key Management for Mobile Wireless Networks

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Executive Summary

The wireless data collected in mobile environments provides tremendous opportunities to build new applications in various domains such as vehicular ad hoc networks and mobile social networks. Storing the data decentralized in wireless devices brings major advantages over centralized ones. In this work, to facilitate effective access control of the wireless data in the distributed data storage, the authors propose a fully decentralized key management framework by utilizing a cryptography-based secret sharing method. The secret sharing method splits the keys into multiple shares and distributes them to multiple nodes. However, due to node mobility, these key shares may not be available in the neighborhood when they are needed for key reconstruction.

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