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CITADEL: A Content Protection Architecture for Decentralized Peer-to-Peer File Sharing Systems
 

Summary: CITADEL: A Content Protection Architecture for Decentralized
Peer-to-Peer File Sharing Systems
Paul Judge and Mostafa Ammar
College of Computing, Georgia Institute of Technology, Atlanta, GA 30332
{judge,ammar}@cc.gatech.edu
Abstract--There is an increased interest, by content creators and
owners, in content protection systems that provide the ability to con-
trol or restrict the content that can be shared on peer-to-peer file
sharing systems. Some content protection systems have been pro-
posed for centralized peer-to-peer systems (such as Napster) where
a central authority controls all indexing and querying. These sys-
tems cannot be applied to decentralized peer-to-peer systems since
they rely on a central server. Also, such systems limit the ability
of end-users to effectively share content and can make the peer-to-
peer distribution model resemble a client-server model in many re-
spects. In this paper, we propose CITADEL, a novel content protec-
tion architecture designed to operate in decentralized peer-to-peer
systems (such as Gnutella). CITADEL enforces a range of protec-
tion policies while maintaining an open peer-to-peer distribution
model. CITADEL builds a protected file sharing environment over

  

Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology

 

Collections: Computer Technologies and Information Sciences