• The Journal of the Korea Contents Association
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• v.6 no.4
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• pp.29-37
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• 2006

The intellectual property system was very important to the past industrial society. It is so important to the 21C information age. It is a leading role to developing these information society. Not only the digital content control but the technology of program source code for the intellectual property is so much mean to international competition. On occurring disputation property, we have to prove the fact, there is a problem to show the original source code. In this paper, we simulate the digital licence for program source code to prevent the infringement of copyright and the tipping-off information.