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We propose RBLA2, a Bi-directional RPROB-based Location Anonymizer system for location-based services. Our proposed system provides location privacy not only when users are forwarding requests to location-based services but also when these services deliver messages to the users using two similarly structured components that are based on a RPROB framework and global dummy generation. The system overcomes...
We propose a binomial-mix-based location anonymizer system with global dummy generation to protect user location privacy in location-based services in the face of attacks from a global active adversary and even with untrusted location-based service providers. Our proposed system overcomes the disadvantages of high latency in general-purpose mix-net systems when they are applied to location-based services,...
We propose RPROB, an infinite family of anonymous communication systems, each of which corresponds to a binomial mix. Any instance of RPROB provides resistance against global active adversary with capabilities to monitor every external activity, to delay and to create messages in the system. Our proposal is to solve the limitation of APROB channel that concerns only global delaying adversary. Experimental...
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