Publish/subscribe networks provide an interface for publishers to perform many-to-many communication to subscribers without the inefficiencies of broadcasting. Each subscriber submits a description of the sort of content they are interested in, then the publish/subscribe system delivers any appropriate messages as they are published. Although publish/subscribe networks offer advantages over traditional web-based content delivery, they also introduce security issues. The two security problems that we solve are: ensuring that subscribers can authenticate the messages they receive from publishers, and ensuring that publishers can control who receives their content. We propose QUIP, a protocol which adds efficient authentication and encryption mechanisms to existing publish/subscribe overlay networks. The idea is to combine an efficient traitor-tracing scheme (by Tzeng and Tzeng (2001)) with a secure key management protocol. This allows publishers to restrict their messages to authorised subscribers and to add and remove subscribers without affecting the keys held by the other subscribers.
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机译:帕金森氏病(QUIP)冲动性强迫症问卷和德语水平的QUIP量表的验证
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机译:帕金森氏病(QUIP)冲动性强迫症问卷和以德语为样本的QUIP量表的验证
机译:帕金森氏病(QUIP)冲动性强迫症问卷和以德语为样本的QUIP量表的验证