METHOD AND DATA SHARING SYSTEM IN PEER TO PEER ENVIRONMENT
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The present invention relates to the method and data sharing system which establishes an access right for data to share in pure or hybrid P2P environment and thus decides to open and share the data in accordance with which whether a recipient peer has the access right or not, thereby protecting the data from the access of the unspecified public and preventing the data from spreading in an improper manner. Also, since the existence of the data is not open to recipients with no having access right, the method and data sharing system according to the present invention has an effect of protecting the copyright and privacy of a data provider.