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Distributed Discovery of User Handles with Privacy

Paul, Thomas and Hornung, Marius and Strufe, Thorsten (2014):
Distributed Discovery of User Handles with Privacy.
Darmstadt, In: GlobeCom, [Online-Edition: https://www.informatik.tu-darmstadt.de/de/forschung/veroeffe...],
[Conference or Workshop Item]

Abstract

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, as it is suggested by the currently most successful DOSN Diaspora amongst others, we suggest a distributed discovery of users. Our discovery mechanism protects privacy of users and does not create vulnerabilities to mass collections of profiles or SPAM. The scheme adapts known techniques like DHT, indirection, and proof of knowledge, to meet the service specific requirements. A general implementation for a popular XMPP server furthermore gives proof of our concept and represents a first step towards constructing a reliable distributed social networking service with user discovery on decentralized servers, without leaking any information about its users.

Item Type: Conference or Workshop Item
Erschienen: 2014
Creators: Paul, Thomas and Hornung, Marius and Strufe, Thorsten
Title: Distributed Discovery of User Handles with Privacy
Language: English
Abstract:

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, as it is suggested by the currently most successful DOSN Diaspora amongst others, we suggest a distributed discovery of users. Our discovery mechanism protects privacy of users and does not create vulnerabilities to mass collections of profiles or SPAM. The scheme adapts known techniques like DHT, indirection, and proof of knowledge, to meet the service specific requirements. A general implementation for a popular XMPP server furthermore gives proof of our concept and represents a first step towards constructing a reliable distributed social networking service with user discovery on decentralized servers, without leaking any information about its users.

Place of Publication: Darmstadt
Divisions: DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms > Subproject C4: User-centered perspectiv
Event Title: GlobeCom
Date Deposited: 16 Jan 2015 15:58
Official URL: https://www.informatik.tu-darmstadt.de/de/forschung/veroeffe...
Identification Number: MAKI-2014-017
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