منابع مشابه
DP5: A Private Presence Service
Users of social applications like to be notified when their friends are online. Typically, this is done by a central server keeping track of who is online and offline, as well as of all of the users’ “buddy lists”, which contain sensitive information. We present DP5, a cryptographic service that implements online presence indication in a privacy-friendly way. DP5 allows clients to register thei...
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AnoNotify is a service for private, timely and low-cost online notifications. We present the design and security arguments behind AnoNotify, as well as an evaluation of its cost. AnoNotify is based on mixnetworks, Bloom filters and shards. We present a security definition and security proofs for AnoNotify. We then discuss a number of applications, including notifications for incoming messages i...
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This paper presents a novel private presence protocol, referred to as MP3, where the service provider does not have any knowledge of the social graph of its users. In prior work, a private presence protocol, referred to as DP5, was presented. However, the size of the presence database in this protocol grows rapidly as the number of users increases; this limits its scalability and increases its ...
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This paper describes a virtual private network (VPN) management service developed to support IP-based multi-media teleservices in the ACTS project Prospect. The service is targeted for an open service market with multiple competing and co-operating providers. It provides end-to-end connection management in a heterogeneous network infrastructure with many owners and many network and management t...
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This paper describes the presence service, which is located in the IP multimedia subsystem. This service allows making many applications for different groups of people. The paper describes differences between a network without the service and with the service. The biggest change is an increased number of transmitted messages. The presence uses some part of the IP multimedia subsystem control la...
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ژورنال
عنوان ژورنال: Proceedings on Privacy Enhancing Technologies
سال: 2015
ISSN: 2299-0984
DOI: 10.1515/popets-2015-0008