| 摘要 |
PURPOSE: A method for forming the CRS(Certification Remote System) to protect digital CONSTITUTION: A contents executing application equipped with the certification key, which is generated/stored/combined/encoded in the CRS based on the information collected when a user is registered, is installed to the user terminal(N610). When the user executes the application provided from the CRS or an environment of the user is changed, the previously stored certification is verified. When the user requests the contents, the certification key is transmitted to the user by encoding the certification key to the contents in real-time based on the previously stored user information. The contents transmitted through the CRS are decoded/played in the user terminal(N710).
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