SYSTEM AND METHOD FOR PREVENTING ILLEGAL DUPLICATION

摘要

A system for preventing an illegal copy and a method thereof are provided. A mobile device divides a hash value of a stored file into the data of a predetermined size. The mobile device codes the divided data and configures transmitting data by additionally inputting serial numbers to each coded data. A management server confirms the serial numbers by decoding the transmitting data and confirms the hash value of the file based on the confirmed serial numbers. The management server limits file usage by comparing the confirmed hash value with a stored standard hash value. [Reference numerals] (10) Communication network;(100) Mobile device;(110) Storage unit;(111) Hash value calculating unit;(112) Hash value dividing unit;(113) First encoding unit;(114) Data constructing unit;(115) Second encoding unit;(120) Memory unit;(130,220) Transceiving unit;(200) Management server;(210) Hash value storage unit;(230) First decoding unit;(240) Second decoding unit;(250) Data combination unit;(260) Hash value comparing unit;(270) Control unit;(AA) Execution file;(BB) Client