Untraceable secret credentials: trust establishment with privacy

@article{Bussard2004UntraceableSC,
  title={Untraceable secret credentials: trust establishment with privacy},
  author={Laurent Bussard and Yves Roudier and Refik Molva},
  journal={IEEE Annual Conference on Pervasive Computing and Communications Workshops, 2004. Proceedings of the Second},
  year={2004},
  pages={122-126}
}
There is generally no a priori trust relationship among entities interacting in pervasive computing environments which makes it necessary to establish trust from scratch. This task becomes extremely challenging when it is simultaneously necessary to protect the privacy of the actors involved. We show how trust can be based on previous interactions yet remain unlinkable to any previous event or any specific entity. A solution based on group blind signatures is proposed that relies on credentials… CONTINUE READING
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