METHOD AND SYSTEM FOR IMPLEMENTING DRM FUNCTION AND ADDITIONAL FUNCTION USING DRM DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method and a system for implementing a DRM (digital rights management) function and an additional function using the DRM device.

SOLUTION: The method for implementing the DRM function and the additional function using the DRM device includes steps in which The DRM device connected to a second communication device decodes encoded contents corresponding to requested contents when a first communication device requests to play the contents, the DRM device re-encodes the contents using a session key generated beforehand, and the DRM device transmits the re-encoded contents to the first communication device via the second communication device.

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