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Method, equipment and system for performing field service

A technology for executing domains and services, applied in the field of digital rights management, which can solve problems such as processing burden, unfeasible purchase requests, and poor consumer experience for users, so as to reduce the burden and improve the consumer experience.

Active Publication Date: 2008-08-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of returning failure information after performing a purchase operation will lead to a bad consumer experience for users
Moreover, the SCE device executes a large number of infeasible purchase requests, which will also bring a processing burden to the entire system
In addition, when the LRM devices in the domain change, or DA / DEA no longer supports a certain RI, these new trust relationships cannot notify the devices in the domain in time

Method used

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  • Method, equipment and system for performing field service
  • Method, equipment and system for performing field service
  • Method, equipment and system for performing field service

Examples

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specific example

[0133] It is assumed that the SCE domain key related information is generated and managed by the domain manager DA / DEA, and the domain license RO is generated by the copyright issuer RI. There exists a rights issuer with the alias RI-001, which supports a domain manager with the alias DA-111. The SCE device establishes a user domain in DA-111, the domain name is Dom-001, and purchases digital content for the domain from RI-001. After receiving the trust relationship information request sent by the SCE device, RI-001 carries the supported information indicating the trust relationship with the domain manager in the trust relationship information response message and returns it to the SCE device, wherein the The information used to represent the trust relationship is recorded in the form of {RI ID, DA / DEA ID} and stored in the context of the copyright issuer established by the SCE device. RI-001 establishes a trust relationship with another domain manager DA-222 after one year, ...

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Abstract

The invention discloses a method for executing domain services, which includes that: a terminal device gains information expressing the trusting relationship between service entities from the service entities; the terminal device executes the domain services based on the information expressing the trusting relationship. The invention also discloses a method for update domain information, which includes that: the trusting relationship between the service entity can be determined to has changed; a terminal device gains from the service entities the terminal device uses from the service entity gain service entity expressing the trusting relationship information; the terminal device updates the information expressing the trusting relationship between service entities preserved by the local based on the information expressing the trusting relationship. At the same time the invention discloses a terminal device, a service entity and a digital copyright management system. Using the invention can improve the consumption experience of a user, lightens the processing burden of the system.

Description

technical field [0001] The invention relates to the technical field of digital rights management, in particular to a method, device and system for executing domain services. Background technique [0002] Digital Rights Management (DRM) mainly controls the use of digital content through rights restriction and content protection schemes, and protects the legitimate rights and interests of content owners. After the digital content issuer (Content Issuer, CI) encrypts the digital content, the user downloads the encrypted digital content data package to the terminal device; the copyright issuer (Rights Issuer, RI) is responsible for distributing the license corresponding to the digital content , which includes the content key and the corresponding permission, the content key is used to decrypt the digital content. The purchased digital content can only be used normally by the terminal device only if it has both the content data package (which contains the information necessary f...

Claims

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Application Information

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IPC IPC(8): G06F21/00H04L9/32H04L29/06G06F21/57
Inventor 周皓隽党沛陈大港张仁宙周志鹏黄晨
Owner HUAWEI TECH CO LTD
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