Method and Apparatus for Media Information Access Control, and Digital Home Multimedia System

• US 20150082395A1
• Filed: 11/24/2014
• Published: 03/19/2015
• Est. Priority Date: 05/24/2012
• Status: Abandoned Application

• Current Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Inventors: Zhu, Yu, Shan, Zhenwei
• Application Number:
  US14/552,149
• Publication Number:
  US 20150082395A1
• Time in Patent Office: Days
• US Class Current: 726/4
• CPC Class Codes: H04L 12/2821 Avoiding conflicts related to the use of home appliances cryptographic protocols H04L9/00; protocols for network security H04L63/00
• CPC Class Codes: H04L 12/2838 Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths adaptations of television systems for transmission by electric cable for domestic distribution H04N7/106; hybrid transport H04L12/6418; home network arrangements specially adapted for distribution of digital video signals H04N7/24
• CPC Class Codes: H04L 2012/2849 Audio/video appliances
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources

Abstract

The present invention is applicable to the field of digital home networks and provides a method and apparatus for media information access control, and a digital home multimedia system. The method includes aggregating media information and access rights information of the media information on a first media server. The method also includes returning, to a control device that sends a media access request, a media information list which the control device has rights to access. The media information list is returned according to the aggregated media information and the aggregated access rights information of the media information. The present invention ensures security of the media information in the digital home multimedia system when the media information in the digital home multimedia system is aggregated for browsing.

Claims

1. A method for media information access control, the method comprising:

aggregating media information and access rights information of the media information on a first media server; and

according to the aggregated media information and the aggregated access rights information of the media information, returning, to a control device that sends a media access request, a media information list which the control device has rights to access.

2. The method for media information access control according to claim 1, wherein the aggregating media information and access rights information of the media information on a first media server specifically comprises:

sending a first media information acquiring request to the first media server, so that the first media server that receives the first media information acquiring request returns respectively the media information and the access rights information of the media information, wherein the media information comprises unrestricted media information and restricted media information; and

receiving and aggregating the media information and the access rights information of the media information that are returned by the first media server.

3. The method for media information access control according to claim 2, wherein the aggregating the media information and the access rights information of the media information that are returned by the first media server specifically comprises:

aggregating the media information and the access rights information of the media information that are returned by the first media server into a media information access control list.

4. The method for media information access control according to claim 3, wherein the aggregating the media information and the access rights information of the media information that are returned by the first media server into a media information access control list specifically comprises:

directly aggregating the media information and the access rights information of the media information that are returned by the first media server into the media information access control list;

or

adding, according to an identifier of the first media server, a corresponding identifier to the access rights information that is of the media information and returned by the first media server; and

then aggregating the media information returned by the first media server and the access rights information that is of the media information and added with the corresponding identifier into the media information access control list.

5. The method for media information access control according to claim 3, wherein the returning, to a control device that sends a media access request, according to the aggregated media information and the aggregated access rights information of the media information, a media information list which the control device has rights to access specifically comprises:

receiving the media access request sent by the control device; and

searching for the media information access control list according to information of the control device, and returning, to the control device, the media information list which the control device has rights to access.

6. The method for media information access control according to claim 1, wherein the media information comprises unrestricted media information and restricted media information, and wherein the aggregating media information and access rights information of the media information on a first media server specifically comprises:

aggregating unrestricted media information on the first media server; and

aggregating restricted media information, which the control device has rights to access, on the first media server.

7. The method for media information access control according to claim 6, wherein after the aggregating unrestricted media information on the first media server, the method further comprises:

receiving the media access request sent by the control device; and

when the media access request is a media access request for accessing the restricted media information, performing the aggregating restricted media information, which the control device has rights to access, on the first media server.

8. The method for media information access control according to claim 1, wherein the media information comprises unrestricted media information and restricted media information, and wherein the aggregating media information and access rights information of the media information on a first media server specifically comprises:

aggregating the unrestricted media information on the first media server; and

aggregating the restricted media information and the access rights information of the restricted media information on the first media server, or the restricted media information and the access rights information of the control device on the first media server.

9. An apparatus for media information access control, the apparatus comprising:

a media information aggregation unit, configured to aggregate media information and access rights information of the media information on a first media server; and

a media information access control unit, configured to return, to a control device that sends a media access request, according to the media information and the access rights information of the media information that are aggregated by the media information aggregation unit, a media information list which the control device has rights to access.

10. The apparatus for media information access control according to claim 9, wherein the media information aggregation unit comprises:

an acquiring request sending module, configured to send a first media information acquiring request to the first media server, so that the first media server that receives the first media information acquiring request returns respective media information and the access rights information of the media information, wherein the media information comprises unrestricted media information and restricted media information; and

a first aggregation module, configured to receive and aggregate the media information and the access rights information of the media information that are returned by the first media server.

11. The apparatus for media information access control according to claim 10, wherein the first aggregation module is specifically configured to aggregate the media information and the access rights information of the media information that are returned by the first media server into a media information access control list

12. The apparatus for media information access control according to claim 11, wherein the first aggregation module is specifically configured to directly aggregate the media information and the access rights information of the media information that are returned by the first media server into the media information access control list;

or

first add, according to an identifier of the first media server, a corresponding identifier to the access rights information that is of the media information and returned by the first media server; and

then aggregate the media information returned by the first media server and the access rights information that is of the media information and added with the corresponding identifier into the media information access control list.

13. The apparatus for media information access control according to claim 11, wherein the media information access control unit comprises:

a first media information returning module, configured to search for the media information access control list according to information of the control device, and return, to the control device that sends a media access request, the media information list which the control device has rights to access.

14. The apparatus for media information access control according to claim 9, wherein the media information aggregation unit comprises:

an unrestricted media aggregation module, configured to aggregate unrestricted media information on the first media server; and

a first restricted media aggregation module, configured to aggregate restricted media information, which the control device has rights to access, on the first media server.

15. The apparatus for media information access control according to claim 14, wherein the apparatus further comprises:

an access request determining unit, configured to determine whether a received media access request sent by the control device is a media access request for accessing the restricted media information; and

at this time, if a result of the access request determining unit is yes, the first restricted media aggregation module aggregates the restricted media information, which the control device has rights to access, on the first media server.

16. The apparatus for media information access control according to claim 9, wherein the media information comprises unrestricted media information and restricted media information, and wherein the media information aggregation unit comprises:

an unrestricted media aggregation module, configured to aggregate the unrestricted media information on the first media server; and

a second restricted media aggregation module, configured to aggregate the restricted media information and the access rights information of the restricted media information on the first media server or the restricted media information and the access rights information of the control device on the first media server.

17. The apparatus for media information access control according to claim 16, wherein the apparatus further comprises:

an access request determining unit, configured to determine whether a received media access request sent by the control device is a media access request for accessing the restricted media information;

at this time, when a result of the access request determining unit is yes, the second restricted media aggregation module aggregates the restricted media information and the access rights information of the restricted media information on the first media server or the restricted media information and the access rights information of the control device on the first media server.

18. The apparatus for media information access control according to claim 16, wherein the apparatus further comprises:

an access request determining unit, configured to determine whether a received media access request sent by the control device is a media access request for accessing the restricted media information;

if the received media access request sent by the control device is not a media access request for accessing the restricted media information, trigger only the unrestricted media aggregation module; and

if the received media access request sent by the control device is a media access request for accessing the restricted media information, trigger the unrestricted media aggregation module and the second restricted media aggregation module.

19. A media server, wherein the media server comprises the apparatus for media information access control according to claim 9.

20. A digital home multimedia system, comprising a control device and several media renderers, wherein the system further comprises a first media server and several second media servers, and

the first media server aggregates media information and access rights information of the media information on the second media server, and returns, to a control device that sends a media access request, according to the aggregated media information and the aggregated access rights information of the media information, a media information list which the control device has rights to access.