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Social networks provide users with solutions to manage and acquire social connections in the modern society. Since users of a social network can make a new friendship even when they are not meeting physically, there should be a mechanism enabling them to securely verify identity of each other. One such mechanism is to check if there are enough number of common friends, relying on the friendships established...
Decentralized Online Social Networks (DOSN) seek to increase their users' privacy by removing centralized data storage and control. Their lack of usability and competitive features has severely hindered their success. Even a privacy preserving user discovery, which seems paramount for a social networking service, so far has not been implemented. Aiming at a hybrid architecture of decentralized servers,...
There are many kinds of social networks in existence. To our best knowledge, there is no effort on how to construct a social network jointly from different parties. Thus, there is a need for a proper protocol to both make a collaborative social network feasible between different parties and ensure privacy. We propose a series of protocols to create and interact with a privacy preserving collaborative...
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