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[tor-dev] Crux: Privacy-preserving statistics for Tor


Hello,

I would like to introduce our project "Crux", which enables the computation of privacy preserving statistics on sensitive data.
The project was developed at University College London (UCL) by me, in close collaboration with George Danezis.

"Crux" was designed with Tor hidden services in mind (in accordance withÂthisÂTor Tech Report), but it can be applied on various kinds of data (given an appropriate parser).

It supports three statistics (i.e. mean, median, variance) and its threat model is compatible Tor's (see technical document below).
Currently, we don't have a parser specific for the data collected by the Tor relays, but we plan to keep adding functionality.

The source code can be found here:Âhttps://github.com/mavroudisv/Crux
The theoretical background, threat model, security argument and technical details can be found here:Âlink


Ideas, comments, feedback much appreciated!

Vasilis

--Â
Vasilios Mavroudis
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