Method and device for accurate charging in digital copyright management

A technology of digital copyright management and copyright, applied in computer security devices, electronic digital data processing, data processing applications, etc., can solve problems such as user billing, improve accuracy, avoid loss of interests, and improve fairness and rationality Effect

Active Publication Date: 2007-05-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] The present invention provides a method for realizing accurate billing in digital rights management, so as to solve the problem in the prior art that users are billed without obtaining consumption rights of digital content

Method used

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  • Method and device for accurate charging in digital copyright management
  • Method and device for accurate charging in digital copyright management
  • Method and device for accurate charging in digital copyright management

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] In this embodiment, the process of obtaining a copyright object is taken as an example to describe in detail.

[0079] Referring to Figure 4, the process for the device to obtain the copyright object is as follows:

[0080] Messages between the device and the rights issuer are transmitted via the Hypertext Transfer Protocol (HTTP), and the transport layer is based on the Transmission Control Protocol (TCP).

[0081] 1. The device sends a rights object acquisition request message (ROAP-RORequest message) to the rights issuer, requesting to obtain a rights object (RO). This message is the first message sent by the 2-pass rights object acquisition protocol. The parameters of the RORequest message are shown in Table 1:

[0082] Table I

[0083] ROAP-RORequest

Parameter

Mandatory / Optional

Device ID

M

Domain ID

O

RI IDs

M

Device Nonce

M

Request Time

...

Embodiment 2

[0137] In this embodiment, the process of joining a domain is taken as an example for detailed description.

[0138] Messages between the device and the rights issuer are transmitted via the Hypertext Transfer Protocol (HTTP), and the transport layer is based on the Transmission Control Protocol (TCP).

[0139] Referring to Figure 7, the process of joining a device to a domain is as follows:

[0140] 1. The device sends a join domain request message (ROAP-JoinDomainRequest message) to the copyright issuer. This message is the first message of the 2-pass domain join protocol, and only supports the request to join a single domain. The parameters included in the JoinDomainRequest message are shown in Table 4.

[0141] Table four

[0142] ROAP-JoinDomainRequest

Parameter

Mandatory / Optional

Device ID

M

RI IDs

M

Device Nonce

M

Request Time

M

Domain Identifier

...

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PUM

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Abstract

The invention discloses an accurate charging method in digital copyright management, the information containing the copyright object is transmitted to the device by the copyright issuing system; said device transmits the copyright object obtaining confirming information to the copyright issuing system when the signature of the information and the copyright issuer certificate are validated successfully and the OCSP responses the state of copyright issuer certificate is active; and the copyright issuing system actuates the charging function when receiving the copyright object confirming information. The invention also discloses terminal equipment and copyright issuing system.

Description

technical field [0001] The invention relates to digital rights management technology, in particular to a method and device for realizing accurate billing in digital rights management. Background technique [0002] OMA Digital Rights Management (DRM) enables content providers to specify how media objects are consumed, and the DRM system is independent of the media object format and specific operating system / runtime system. The media objects controlled by DRM can be various contents, such as games, ringtones, images, music clips, video clips, streaming media, etc.; content providers can grant corresponding copyrights to users for each media object. The content is distributed in an encryption-protected manner, and users must purchase the copyright to use the protected content on the device. [0003] The protected content can be delivered to the device in any way, such as air interface, local connection, removable media, etc.; but the copyright object can only be controlled and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00G06Q30/00H04L29/06G06F21/10G06Q20/00
CPCH04L63/0823G06Q20/123H04L2463/101H04L2463/102H04L63/10G06F2221/0706G06F21/10G06Q20/145G06Q20/12G06F21/1012
Inventor 张剑宇陈东航
Owner HUAWEI TECH CO LTD
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