Patent ID: 8719956
Filing Date: 2014-05-06
Classification: G06F,H04L

Abstract:
1. A method for moving a license between Secure Removable Media (SRM), comprising: initiating, by a Digital Rights Management (DRM) agent on a device, a process of moving a license from a SRM agent of a first SRM connected to the device to a SRM agent of a second SRM connected to the device; obtaining, by the DRM agent, the license from the SRM agent of the first SRM, and after obtaining the license from the SRM agent of the first SRM, setting, by the DRM agent, the license obtained by the DRM agent from the SRM agent of the first SRM to a forwarding state locally for the DRM agent based on the initiating, by the DRM agent, the process of moving the license from the SRM agent of the first SRM to the SRM agent of the second SRM, the forwarding state indicating that the license is to be moved to the SRM agent of the second SRM and the license not being available to the DRM agent for consuming contents by the device; deducting, by the DRM agent, a moving permissions number in state information of the license by one; sending, by the DRM agent, a license installation request message to the SRM agent of the second SRM, wherein the license installation request message comprises the license, and wherein the step of deducting is performed by the DRM agent only once in the process of moving the license from the SRM agent of the first SRM to the SRM agent of the second SRM.