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 a

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

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0132] The following is a specific example in which the terminal device obtains from the copyright issuer the information used to indicate the trust relationship between the copyright issuer and the domain manager:

[0133] It is assumed that the SCE domain key related information is generated and managed by the domain manager DA / DEA, and the copyright issuer RI generates the domain license RO. There is a copyright issuer with the alias RI-001, and the copyright issuer supports the domain manager with the alias DA-111. The SCE device establishes a user domain on DA-111, the domain name is Dom-001, and purchases digital content for this domain from RI-001. After receiving the trust relationship information request sent by the SCE device, RI-001 carries the supported information used to indicate the trust relationship with the domain manager in the trust relationship information response message, and returns it to the SCE device, where the The information used to indicate the trust ...

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PUM

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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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