DEVICE AND METHOD FOR PREVENTING DRM HACKING USING CENTRAL DRM LICENSE MANAGEMENT SERVER

摘要

Purpose a: device and a kind of method; for preventing from being arranged to protect digital content to pass through one illegal DRM Hacker Program of detection using DRM (digital rights management) hacker of a central DRM permission management server; an alert message is sent to a program actuator; it notifies the DRM permission management servers of user information, terminates a DRM player. Construction: a licensed-in separator (121) separates content playback correlation license and DRM Hacker Program information from the license awarding by a DRM license issue servers (110). The encrypted content by the DRM independent packagings permitted based on content playback is decrypted/is played the part of in one playback role (130). One Hacker Program information of encryption/decryption unit point (124) encrypts/decrypts Hacker Program information. Hacker Program information stores the Hacker Program information of (123) storage encryption. When Hacker Program is found, the Hacker Program monitoring monitoring operation of the Hacker Program by detecting a content player sends playback termination signal to content player (129), transmitting subscriber information to DRM license issue servers.