Distributed privacy-preserving transparency logging
Proceedings of the 12th ACM workshop on Workshop on privacy in the electronic society
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In this paper we present a scheme for building a logging-trail for processes related to eGovernment services. A citizen can reconstruct the trail of such a process and verify its status if he is the subject of that process. Reconstruction is based on hand-overs, special types of log events, that link data stored by multiple logging servers, which are not necessarily trusted. Our scheme is privacy-friendly in the sense that only the authorised subject, i.e. the citizen, can link the different log entries related to one specific process. The scheme is also auditable; it allows logging servers to show that they behave according to a certain policy.