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P2P technology is widely used to accelerate the file transfer, but nowadays P2P file delivery systems seldom control the file access right, so not suit the business applications' requirement. According to the features of BT file delivery system, the paper proposes a strategy on file access right control for BT P2P file delivery. The strategy only permits authorized users downloading the encrypted torrent file and decrypting the encrypted torrent file, in order to avoid unauthorized users entering the P2P overlay network to access the access limited shared file, so that the shared files' access right control is implemented in BT system.
Date of Conference: 27-29 June 2011