Data Management

Distributed and Secure Access Control in P2P Databases

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Executive Summary

The intent of Peer Data Management Systems (PDMS) is to share as much data as possible. However, in many applications leveraging sensitive data, users demand adequate mechanisms to restrict the access to authorized parties. In this paper, the authors study a distributed access control model, where data items are stored, queried and authenticated in a totally decentralized fashion. The contribution focuses on the design of a comprehensive framework for access control enforcement in PDMS sharing secure data, which blends policy rules defined in a declarative language with distributed key management schemes.

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