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Primary-secondary card authentication method under digital television bidirectional network environment

A digital TV and two-way network technology, applied to color TV parts, TV system parts, TVs, etc., can solve problems that affect user viewing experience and increase hardware costs of set-top boxes, so as to protect interests, facilitate implementation, and increase Effect of hardware cost

Inactive Publication Date: 2010-12-08
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the former method will affect the user's viewing experience, while the latter method will increase the hardware cost of the set-top box

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The loopback output interface of the host is connected with the input interface of the sub-machine through a coaxial cable, and the Ethernet interface of the host and the sub-machine is connected with the network interface of the user's home through the RJ45 network cable; the network interface is connected with the front end of the digital TV through a network channel.

[0015] The main steps of the authentication scheme are as follows:

[0016] 1. Registration certification:

[0017] 1) The main unit and the sub-unit are pre-registered with the operator when purchasing, including the IC card number and serial number of the bound master-child card, the purchased program package and price and other information, and the registration information will be saved in the digital TV front-end system; A host can be bound to one sub-machine or several sub-machines. If the user needs to add a sub-machine or replace the original host or sub-machine in the future, he must re-registe...

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Abstract

The invention relates to a digital television authentication technique, and in particular provides a novel method for authenticating a primary card and a secondary card in a bilateral network environment of a digital television. The method comprises the following steps that: a, after a host computer and a slave computer are started, the host computer and the slave computer send the serial number and the international mobile equipment identity (IMEI) of the primary card and the serial number and the IMEI of the secondary card to the front end of the digital television through a network channelrespectively; b, the front end of the digital television inquiries registration information of the primary card and the secondary card in a database, if the received serial number and the IMEI of theprimary card and the serial number and the IMEI of the secondary card are matched with the registration information, the authentication is successful, otherwise, the authentication fails; c, the front end of the digital television transmits the authentication result back to the master computer through the network channel; and d, if the authentication is successful, the master computer sends a PDKsingly transmitted to the secondary card of the master computer at the front end of the digital television to the slave computer. The method not only does not influence the use of a user, but also does not increase the hardware cost of a set-top box; besides, the method is convenient to implement and can protect the benefits of operators to the utmost extent.

Description

technical field [0001] The invention relates to digital television authentication technology. Background technique [0002] The existing digital TV services are basically a set-top box plus ordinary TV mode. Users use the set-top box to receive digital signals, convert them into analog signals and then transmit them to the TV. At the same time, they pay a certain viewing fee every month. As more and more families start to own a second TV set, the problem of "multiple TV sets in one household" is unavoidable. There are two set-top boxes in the user's family. If they both pay the same viewing fee, it will increase the user's burden, which is not conducive to the expansion of digital TV services; if only charging the viewing fee of one set-top box, it will damage the interests of operators. The mother and daughter card function of the set-top box solves this problem to a certain extent. There are two set-top boxes in the user's family, one as the host and one as the slave, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/16H04N5/00H04N21/266H04N21/441
Inventor 胡皓刘贤洪任飞
Owner SICHUAN CHANGHONG ELECTRIC CO LTD