SERVER, CLIENT, AND METHOD FOR VERIFYING DATA INTEGRITY IN P2P-BASED NETWORK

摘要

A server apparatus for verifying data integrity in a P2P-based network includes: a metadata file creating unit for creating a metadata file; a metadata verification file creating unit for creating a metadata verification file for verifying the integrity of the metadata file; an electronic signing unit for electronically signing the metadata verification file; a metadata verification file integrity checking unit for checking the integrity of the digitally signed metadata verification file; and a controller for creating the metadata verification file for verifying the integrity of the metadata file, and transmitting the metadata file and the metadata verification file by using a P2P-based protocol.