Privacy-preserving resource evaluation in social networks

F. Buccafurri, Lidia Fotia, G. Lax
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引用次数: 16

Abstract

In new generation social networks, we expect that the demand of tools allowing the user to effectively control privacy, without relying on the provider trustworthiness, will be more and more increasing. A lot of precious information is currently released by users with no privacy control whenever they evaluate resources, which, for example, is done in Facebook through the “Like Button”. A mechanism allowing the user to express her preferences fully preserving her privacy is thus desired, especially if it is able to protect user privacy also in case of untrustworthy social network provider. In this paper, we propose a solution to this problem, based on a DHT-based P2P social network and on a cryptographic protocol relying on partially blind digital signatures. The protocol is shown to be a solution to the trade-off between feasibility and security, since it guarantees the needed security requirements without including the complex features of existing e-voting systems.
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社交网络中的隐私保护资源评估
在新一代的社交网络中,我们预计对允许用户有效控制隐私的工具的需求将越来越多,而不依赖于提供商的可信度。目前,用户在评估资源时,很多宝贵的信息都是在没有隐私控制的情况下发布的,比如在Facebook上,用户通过“喜欢”按钮来评估资源。因此,需要一种允许用户表达其偏好并充分保护其隐私的机制,特别是如果它能够在不值得信任的社交网络提供商的情况下保护用户隐私。在本文中,我们提出了一种基于dht的P2P社交网络和基于部分盲数字签名的加密协议的解决方案。该协议被证明是可行性和安全性之间权衡的解决方案,因为它保证了所需的安全需求,而不包括现有电子投票系统的复杂功能。
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