Importance

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Abstract

The present invention proposes a method for providing the user with the customized DRM software by the service provider, wherein a universal DRM system is installed and operated in said service provider, and a standard DRM software template is as well stored in said service provider, when the user makes a request for customizing DRM software to the service provider, a customized DRM software is generated from the standard DRM software template and a universal Rights Object of this use is generated; then the customized DRM software and the universal Rights Object are sent to this user. The customized DRM software operates in the user's system containing at least one client and server. A client utilizes the information associated with said one client to decrypt a customized Rights Object which is associated with the protected content and directed to said one client when it is about to access the protected file within the system; and accesses the protected file according to the decrypted customized Rights Object; wherein said customized Rights Object is generated according to the customized Rights Object template of the user's customized DRM software. A new service conception is therefore realized, that is, operators/service providers provide SMEs with “DRM service” to safely manage their proprietary files. Under such service, a layered DRM structure is accomplished, that is, the customized DRM software is protected by the universal DRM system and universal Rights Object operated by the service provider. In addition, the customized DRM software is produced by tailoring the standard DRM software template, it is small and light weight.

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First Claim