WO2012048605A1

WO2012048605A1 - Digital television terminal and method for using internet protocol television service thereof

Info

Publication number: WO2012048605A1
Application number: PCT/CN2011/079102
Authority: WO
Inventors: 陈敬海; 范建国; 谢俊杰
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-10-14
Filing date: 2011-08-30
Publication date: 2012-04-19
Also published as: CN102036112B; CN102036112A

Abstract

The present invention provides a digital television terminal and a method for using an IPTV service thereof. The method comprises: after booting, detecting whether a digital television terminal has a smart card; reading a network configuration parameter stored in the smart card if it is detected that the smart card exists; and obtaining a network address required by a digital television terminal IPTV service according to a network address access manner corresponding to a network address access manner flag bit of the network configuration parameter. According to the present invention, the network configuration parameter and IPTV service parameter are stored in the smart card, the network address is obtained by reading information stored in the smart card, and service authentication is implemented, so as to enter an IPTV service management platform, thereby avoiding the problem caused by parameter input through a remote control. Furthermore, when multiple users share a digital television terminal, only the smart card needs to be changed, and meanwhile starting up without any smart card is also allowed, thereby improving versatility and application flexibility of the digital television terminal.

Description

Method for using digital television terminal and its internet protocol television service

The present invention relates to the field of Internet Protocol Television (IPTV) service technologies, and in particular, to a digital television terminal and a method for using the same. Background technique

At present, when the IPTV service is installed and used, the telecommunications installer or the user needs to use the remote controller to input the network configuration information of the IPTV service and the IPTV service related parameters to the digital television terminal. After receiving the information input by the user, the digital television terminal stores the information in the local flash memory (Flash). When the digital television terminal starts up again, the network configuration information, the IPTV service related parameters, and the like are read out from the Flash, and the network is accessed and performed. After the service is authenticated, it accesses the IPTV service management platform.

However, the above method has the following problems: inputting network configuration information, service related parameters, etc. through the remote controller, the input speed is slow, and error is easy; when multiple users need to use the same digital television terminal together, each user is reused again. Digital TV terminals need to re-enter their business-related parameters, because currently each digital TV terminal can only save one user's relevant parameters; in particular, when the digital TV terminal fails and needs to be replaced, it will also face the need to re-enter the network configuration. Problems such as information; Due to the differences in service authentication of different operators, service authentication through digital TV terminals makes the versatility of digital TV terminals more restricted. Summary of the invention

In view of this, the main object of the present invention is to provide a digital television terminal and a method for using the same, and realize flexible use of the digital television terminal.

In order to achieve the above object, the technical solution of the present invention is achieved as follows:

A method for IPTV service of a digital television terminal, the method comprising: After the power is turned on, detecting whether the digital television terminal has a smart card;

When the smart card is detected, the network configuration parameter pre-stored in the smart card is read; and the IPTV service of the digital television terminal is obtained according to the network address access mode corresponding to the network address access mode flag of the network configuration parameter. The required network address.

Further, the method further includes: storing network configuration parameters in the smart card in advance. Further, the method further includes: pre-storing the IPTV service parameter in the smart card; and correspondingly, after acquiring the network address required for the IPTV service of the digital television terminal, the method further includes:

And reading an IPTV service management platform address and a service account of the IPTV service parameter pre-stored in the smart card, and sending a user service authentication request to the IPTV service management platform according to the IPTV service management platform address;

Receiving, by the IPTV service management platform, parameters returned according to the user service authentication request, and sending parameters required for service authentication to the smart card;

The smart card runs a service authentication algorithm, and sends the obtained service authentication value to the IPTV service management platform through the digital television terminal.

Further, the smart card running service authentication algorithm specifically includes: using a service password of the IPTV service parameter pre-stored in the smart card as an encryption key, and performing encryption calculation on parameters required for the received service authentication.

Further, the method further includes: storing the network configuration parameter and the IPTV service parameter in a flash memory;

Correspondingly, after the detecting whether the smart card exists, the method further includes: when detecting that the smart card does not exist, reading the network address access mode flag stored by the Flash.

Further, the network address required to obtain the IPTV service of the digital television terminal according to the network address access mode corresponding to the network address access mode flag is:

When the network address access mode flag corresponding to the network address access mode is static IP Reading the pre-stored or flash-stored IP address in the smart card as a required network address;

When the network address access mode corresponding to the network address access mode flag is Dynamic Host Setup Protocol (DHCP) and does not require authentication, the dynamic IP address is obtained from the network side as the required network address;

When the network address access mode corresponding to the network address access mode flag is dynamic DHCP and requires authentication, the DHCP user name and password stored in the smart card or stored in the flash card are read and authenticated. When the authentication is passed, the dynamic IP address is obtained from the network side as the required network address;

When the network address access mode corresponding to the network address access mode flag is a point-to-point protocol (PPPoE) on the Ethernet, the pre-stored or flash-stored PPPoE user name and password in the smart card are read. And the authentication is performed. When the authentication is passed, the dynamic IP address is obtained through the asymmetric digital subscriber loop (ADSL) dialing method as the required network address.

A digital television terminal, the digital television terminal includes: a smart card control unit, a detection unit, and a network address acquisition unit;

a detecting unit, configured to detect whether the smart card control unit has a smart card after being turned on; and a network address obtaining unit, configured to read a pre-stored network configuration parameter in the smart card when the smart card is detected; and according to the network configuration The network address access mode corresponding to the network address access mode flag of the parameter, and the network address required for the IPTV service of the digital television terminal is obtained.

Further, the smart card is configured to store network configuration parameters and IPTV service parameters. Correspondingly, the digital television terminal further includes a service authentication unit, configured to read an IPTV service of the IPTV service parameters pre-stored in the smart card. And managing the platform address and the service account, and sending a user service authentication request to the IPTV service management platform according to the address of the IPTV service management platform; and returning the service returned by the IPTV service management platform according to the user service authentication request The parameters required for authentication are sent to the smart card;

The smart card is specifically configured to run a service authentication algorithm, and send the obtained service authentication value to the IPTV service management platform by using a service authentication unit.

Further, the smart card is specifically configured to use the service password of the IPTV service parameter stored in advance as an encryption key, and perform encryption calculation on the parameters required for the received service authentication, to obtain a service authentication value.

Further, the digital television terminal further includes a Flash, configured to store the network configuration parameter and the IPTV service parameter;

Correspondingly, the network address obtaining unit is configured to: when the detecting unit detects that the smart card control unit does not have a smart card, read the network address access mode flag stored by the flash.

Further, the network address obtaining unit is configured to: when the network address access mode corresponding to the network address access mode flag bit is a static IP address, read the pre-stored or flash-stored IP address in the smart card. The address is the required network address; when the network address access mode corresponding to the network address access mode flag is dynamic DHCP and does not require authentication, the dynamic IP address is obtained from the network side as the required network address; When the network address access mode corresponding to the network address access mode flag bit is dynamic DHCP and needs to be authenticated, the DHCP user name and password stored in the smart card or stored in the flash card are read and authenticated, and the authentication is performed. When passing, the dynamic IP address is obtained from the network side as the required network address; when the network address access mode corresponding to the network address access mode flag is PPPoE, the pre-stored or flash in the smart card is read. The stored PPPoE user name and password are authenticated. When the authentication is passed, the ADSL dial-up method is obtained. Dynamic IP address as required network address.

The invention stores the network configuration parameters and the IPTV service related parameters on the smart card, and the digital television terminal obtains the network address by reading the information stored by the smart card, runs the service authentication algorithm through the smart card, implements service authentication, and then accesses the IPTV. Business management platform, avoiding communication The problem of slow speed and error caused by the input parameters of the remote control, and when multiple users share a digital TV terminal, only need to replace their respective smart cards, and the digital TV terminal is still compatible with the startup mode without the smart card, so that Digital TV terminals are more versatile and more flexible. DRAWINGS

1 is a schematic structural diagram of a frame of a digital television terminal according to the present invention;

2 is a schematic diagram of a file system structure of an STB-SIM card in an IPTV service according to the present invention; FIG. 3 is a schematic flow chart of an embodiment of a method for using an IPTV service of a digital television terminal according to the present invention;

4 is a schematic flowchart of an authentication embodiment of an IPTV service of a digital television terminal according to the present invention; and FIG. 5 is a schematic structural diagram of a digital television terminal according to the present invention. detailed description

The basic idea of the present invention is: after booting, detecting whether a smart card control unit of the digital television terminal has a smart card; when detecting the presence of the smart card, reading a network configuration parameter pre-stored in the smart card; according to the network configuration parameter The network address access mode corresponding to the network address access mode flag bit, and the network address required for the IPTV service of the digital television terminal is obtained.

The present invention will be further described in detail below with reference to the accompanying drawings.

The network configuration parameters and IPTV service related parameters of the previous digital TV terminal are directly stored in the Flash of the digital TV terminal. After the digital TV terminal is powered on, the corresponding network configuration parameters and IPTV service parameters are directly read from the Flash configuration partition. , complete and access and certification of the IPTV service management platform. FIG. 1 is a schematic diagram showing the structure of a digital television terminal provided by the present invention. As shown in FIG. 1, storing network configuration parameters and IPTV service related parameters to a smart card. The digital television terminal 10 detects that the smart card control unit 11 has a smart card, and realizes the access and authentication of the IPTV service management platform and other information by reading and writing the smart card; The compatibility of the digital TV terminal of the smart card, when the digital television terminal 10 does not detect the smart card, obtains information such as network configuration parameters and IPTV service related parameters from the original flash memory 15 configuration partition, and realizes access to the IPTV service management platform. Storage of authentication, and other information.

In the embodiment of the present invention, the smart card may be a Subscriber Identity Module (SIM) card, and the SIM card is a smart chip card with a processor. The following describes the architecture of the SIM card:

1, structure and type

The SIM card includes: central processing unit CPU, program memory (ROM), working memory (RAM), data memory (EPROM or EEPROM or Flash), serial communication unit and encryption unit.

In actual use, SIM cards usually have two categories that have the same function but different forms:

1) ID-1 SIM, card type SIM card (commonly known as big card), size 54mm*35mm, the same size as credit card, this form of SIM card conforms to IC card International Organization for Standardization / International Electrotechnical Commission ISO/IEC 7816- 1,2 (ISO/IEC 7816-1, 2) standard, similar to IC cards;

2) Plug-in SIM, embedded SIM card (commonly known as small card), whose size is only 25mm* 15mm, is a card that is semi-permanently loaded into mobile devices. For example, the SIM card of the mobile phone user application in the mobile device is For embedded SIM cards.

2, stored data

The data stored in the SIM card can be divided into four categories:

1) Fixedly stored data: This type of data is written by the operator's SIM card center before the card is sold, such as International Mobile Subscriber Identity (IMEI), Authentication Key (KI), authentication and encryption algorithms.

In the present invention, the service password stored in the SIM card can be protected by an authentication key (KI). The storage, authentication and encryption algorithms are used to migrate the service authentication algorithm in the original digital television terminal.

2) Temporarily stored data about the network: such as Location Area Identifier (LAI), Mobile Subscriber Temporary Identifier (TMSI), public telephone network code that is prohibited from access.

3) Related business codes: such as personal identification number (PIN), unlock code (PUK), billing rate, etc.

4) Phone Book: This is the phone number that mobile devices such as mobile phone users can enter at any time. 3, electrical interface

SIM cards generally have 8 contacts, usually mobile devices such as digital TV terminals, which require 6 of them, as defined in Table 1:

Table 1

4, electrical characteristics and transmission protocol

The SIM card is powered by an external device such as a digital TV terminal. The electrical signal and transmission protocol need to be consistent with ISO/IEC 7816-3 (ISO/IEC 7816-3). Asynchronous half-duplex characters are used in the protocol. The transmission protocol, which adopts multiple sampling decisions for each bit of data, improves the anti-interference ability of the interface, and is based on the error detection and retransmission mechanism of the character frame, thereby greatly improving the efficiency.

In the embodiment of the present invention, the parameters pre-stored by the smart card of the digital television terminal include network configuration parameters and IPTV service related parameters;

The network configuration parameters include: a network address access mode flag, a static IP address parameter, a Dynamic Host Configuration Protocol (DHCP) parameter, and a Point-to-Point Protocol over Ethernet protocol. , PPPoE ) Parameters, etc.

The network address access mode corresponding to the network address access mode flag includes: static IP, dynamic DHCP, and no authentication, dynamic DHCP, authentication, and PPPoE. The static IP address parameters include: IP address, mask, and gateway. The domain name system (DNS) address, etc.; the DHCP parameters include: DHCP username and password; PPPoE parameters include: PPPoE user name and password.

The IPTV service related parameters include: IPTV service management platform address, service account number, and service password.

The software characteristic of the SIM card of the digital television terminal in the present invention is extended on the basis of the file system of the SIM card of the mobile terminal, such as a mobile phone, so that it can support the IPTV service. Preferably, the digital television terminal in the present invention can be a set top box ( Set Top Box, STB), STB's smart card is STB-SIM card at this time; STB-SIM card can use new microcontroller and memory management structure to enhance its processing function.

The file system of the STB-SIM card is shown in Figure 2. Each rectangular box in Figure 2 represents a file, which mainly includes MF (Master File), DF (Dedicated File) and EF (Elementary File) ₀ MF. Think of it as a root directory, DF is the folder, EF is the specific application file in the folder. In the actual operation, before selecting all EFs, you must select the DF of these EFs, and all choose to use the file identifier. The file identifiers include: 3F: main file; 7F: first layer special file; 5F: second layer special file; 2F: basic file under the main file; 6F: basic file under the first layer special file; 4F: Basic files under the second layer of special files, etc.

The file consists of a header for the internal management of the SIM card and an optional body. The header information includes the structure and attributes of the file, which can be obtained by using the GET RESPONSE or STATUS command, which is fixed during the management phase, and the body of the file includes the data for the file.

The file storage in the STB-SIM card of the embodiment of the present invention is specifically referred to FIG. 2, and the text in FIG. 2 is bold. The rectangular box represents the file used by it. It uses only one layer of DF, that is, the first layer of dedicated file 7F. All IPTV files of IPTV are stored in the first layer of DFIPTV ( 7FD1 ); six are added under DFIPTV. Related EF files:

EFNETWORK (6F01): Network address access mode flag, including static IP, DHCP (no authentication required), DHCP (requires authentication), PPPoE, etc.

EFSIPA (6F02): Static IP address parameters, including IP, mask, gateway, DNS address, etc.

EFPPPoE (6F03): PPPoE parameters, including PPPoE user name, password, etc.

EFDHCP (6F04): DHCP parameters, including DHCP username, password, etc.

EFSMPA (6F05): IPTV service management platform address;

EFISNM (6F06): Business account for IPTV.

FIG. 3 is a flow chart showing an embodiment of a method for using an IPTV service of a digital television terminal according to the present invention. As shown in FIG. 3, the embodiment includes the following steps:

Step 101: After the digital television terminal is powered on, it is detected whether the smart card control unit has a smart card, if yes, step 103 is performed; otherwise, step 102 is performed;

When the user needs to use the IPTV service, the smart card can be inserted into the smart card control unit, where the smart card stores the network configuration parameters of the user, the IPTV service related parameters, and the like, and the smart card control unit reads the information stored by the smart card through the C7 contact of the smart card. The meaning of the smart card contacts can be referred to Table 1.

The process of specifically detecting whether the smart card exists is as follows: When the smart card is a large card, the card position of the digital television terminal has a card tray. At this time, the digital television terminal can mechanically detect whether the smart card control unit has a smart card. The card has two contacts at the high and low levels, and the smart card control unit is connected to the high level contact. When the smart card is not inserted, the two contacts are in the closed state, and the digital television terminal detects that the smart card control unit is low. Signal, determining that there is no smart card; when the smart card is inserted, the two contacts are separated, and the digital television terminal detects that the smart card control unit is a high level signal, and determines that there is a smart card; When the smart card is a small card, the digital television terminal detects whether the smart card control unit has a smart card by reading the smart card data: the smart card control unit connects the C7 contact of the smart card, and the digital television terminal continuously performs the multiple times through the smart card control unit. The data reading operation, if no data is read, determines that there is no smart card, otherwise it is determined to exist; preferably, the digital television terminal can perform the operation of reading data three times in succession.

Step 102: The digital television terminal starts in a manner that does not have a smart card, reads network configuration parameters saved in the local Flash, and obtains a network address required for the IPTV service according to the network address access mode flag in the network configuration parameter.

Specifically, when the network address access mode corresponding to the network address access mode flag is static IP, the IP address stored in the flash is read as the required network address;

When the network address access mode corresponding to the network address access mode flag is dynamic DHCP and does not require authentication, obtain a dynamic IP address from the network side as a required network address; when the network address access mode flag When the network address access mode corresponding to the bit is dynamic DHCP and authentication is required, the DHCP user name and password stored in the flash are read and authenticated. When the authentication is passed, the dynamic IP address is obtained from the network side as the required network address. ;

When the network address access mode corresponding to the network address access mode flag is PPPoE, the PPPoE user name and password stored in the flash are read and authenticated, and when the authentication is passed, the asymmetric digital subscriber loop is adopted. Asymmetric Digital Subscriber Line, ADSL) dials the way to obtain the dynamic IP address as the required network address.

Step 103: When detecting the presence of the smart card, the digital television terminal reads the network configuration parameter pre-stored in the smart card;

In this step, the digital television terminal specifically reads the network address access mode flag of the network configuration parameter pre-stored in the smart card, where the network address access mode corresponding to the network address access mode flag bit includes a static IP address, Dynamic DHCP does not require authentication, dynamic DHCP, and requires authentication and PPPoE; Specifically, when the network address access mode corresponding to the network address access mode flag read by the digital television terminal is a static IP, step 104 is performed; when the network address access mode flag corresponding to the network address access mode is dynamic When DHCP is required and authentication is required, step 105 is performed. When the network address access mode corresponding to the network address access mode flag is dynamic DHCP and authentication is not required, step 106 is performed; when the network address access mode flag bit corresponds to the network address When the access mode is PPPoE, go to step 107.

Step 104, the digital television terminal reads the pre-stored IP address in the smart card as the network address required for the IPTV service, and then proceeds to step 109;

Step 105: The digital television terminal reads the pre-stored DHCP username and password in the smart card, and performs authentication. When the authentication is passed, step 106 is performed. Otherwise, the process ends.

Step 106, the digital television terminal obtains the dynamic IP address from the network side as the network address required for the IPTV service, and performs step 109;

Step 107: The digital television terminal reads the pre-stored PPPoE user name and password in the smart card, and performs authentication. When the authentication is passed, step 108 is performed. Otherwise, the process ends.

Step 108: The digital television terminal obtains the dynamic IP address as the network address required for the IPTV service by using the ADSL dialing method, and performs step 109;

Step 109: The digital television terminal saves the network configuration parameter to the local flash memory to be compatible with the startup mode when the smart card does not exist;

Step 110: The digital television terminal enters a service authentication process.

FIG. 4 is a schematic flowchart showing an authentication embodiment of an IPTV service of a digital television terminal according to the present invention. As shown in FIG. 4, the embodiment includes the following steps:

Step 1: After the digital television terminal obtains the network address required for the IPTV service, and reads the IPTV service management platform address and the service book in the IPTV service parameter pre-stored in the smart card, the digital television terminal also has the IPTV service parameter. IPTV service management platform The address and business account are saved to the local Flash to be compatible with the startup mode when the smart card does not exist. Generally, for security reasons, the service password in the IPTV service related parameters is not allowed to be read from the smart card, and thus is not locally saved. When the digital television terminal starts up in the absence of the smart card, the user is required. Enter their business password information.

Step 2: After receiving the read information of the digital television terminal, the smart card returns the stored IPTV service management platform address and the service account to the digital television terminal;

Step 3: The digital television terminal sends a user service authentication request to the IPTV service management platform by using an HTTP Get (Get) method in the Hyper Text Transfer Protocol (HTTP) according to the address of the IPTV service management platform, which is also called user authentication. Request

In this step, the user authentication request includes parameters such as a service account.

Step 4: The IPTV service management platform randomly generates parameters required by the service authentication algorithm. Specifically, the Encry Token field is one of parameters required by the service authentication algorithm.

Step 5: The IPTV service management platform returns the parameters required by the service authentication algorithm to the digital television terminal in the form of an HTTP response;

Steps 6-7, the digital television terminal receives the parameters required by the service authentication algorithm returned by the IPTV service management platform, and sends the parameters required for the service authentication to the smart card;

Preferably, the digital television terminal can form the parameter string required for the obtained service authentication into a parameter string, and send the parameter string to the smart card in the form of a parameter string;

In this step, the parameters required for service authentication include: digital TV terminal ID, user account, MAC address, Encry Token field, etc.; for example: The parameter string of the required parameters can be as follows: Random+"$"+EncryToken+"$ "+UserID+"$"+STBID+"$"+IP+"$"+MAC+"$"+ Reserved+"$"+ "CTC,,.

Step 8~9, the smart card runs a pre-stored service authentication algorithm, and uploads the calculated service authentication value, that is, the authentication string, to the digital television terminal;

Specifically, the smart card uses the service password of the IPTV service parameter stored in advance as an encryption key, and performs encryption calculation on the parameter string of the parameter required for the received service authentication, and the obtained service is obtained. The authentication value is the authentication string and is uploaded to the digital TV terminal.

Step 10: The digital television terminal uploads the authentication string to the IPTV service management platform by using a HTTP (Post) request.

Steps 11 to 12, the IPTV service management platform verifies the received authentication string. When the received authentication string is the same as the service authentication value calculated by the IPTV service management platform, the authentication is passed. At the time, the successful result of the authentication is returned in the form of an HTTP response.

Fig. 5 shows a detailed structural diagram of the digital television terminal of the present invention. As shown in Fig. 5, the digital television terminal 10 includes a smart card control unit 11, a detecting unit 12, and a network address obtaining unit 13. The detecting unit 12 is configured to detect whether the smart card control unit 11 has a smart card after the digital television terminal 10 is powered on. The network address obtaining unit 13 is configured to read a pre-stored network in the smart card when detecting the presence of the smart card. And configuring a parameter; and obtaining a network address required for the IPTV service of the digital television terminal 10 according to the network address access mode corresponding to the network address access mode flag of the network configuration parameter.

Further, the smart card is configured to store network configuration parameters and IPTV service parameters. Correspondingly, the digital television terminal 10 further includes a service authentication unit 14 for reading an IPTV service parameter pre-stored in the smart card. The service management platform address and the service account, and sending a user service authentication request to the IPTV service management platform 20 according to the address of the IPTV service management platform; and returning the service returned by the IPTV service management platform 20 according to the user service authentication request The parameters required for the authentication are sent to the smart card. The smart card is specifically configured to run the service authentication algorithm, and the obtained service authentication value is sent to the IPTV service management platform 20 through the service authentication unit 14.

Further, the smart card is specifically configured to use the service password of the IPTV service parameter stored in advance as an encryption key, and perform encryption calculation on the parameters required for the received service authentication to obtain a service authentication value. Further, the digital television terminal 10 further includes a flash memory 15 for storing the network configuration parameters and IPTV service parameters.

Correspondingly, the network address obtaining unit 13 is specifically configured to read the network address access mode flag stored in the flash memory 15 when the detecting unit 12 detects that the smart card control unit 11 does not have a smart card.

Further, the network address obtaining unit 13 is specifically configured to: when the network address access mode corresponding to the network address access mode flag is static IP, read the pre-stored or flash 15 stored in the smart card. The IP address is used as the required network address; when the network address access mode corresponding to the network address access mode flag is dynamic DHCP and does not require authentication, the dynamic IP address is obtained from the network side as the required network address; When the network address access mode corresponding to the network address access mode flag is dynamic DHCP and authentication is required, the DHCP user name and password stored in the smart card or stored in the flash memory 15 are read and authenticated. When the authentication is passed, the dynamic IP address is obtained from the network side as the required network address; when the network address access mode corresponding to the network address access mode flag is PPPoE, the pre-stored in the smart card is read. Or the flash port 15 stores the PPPoE username and password, and performs authentication. When the authentication is passed, the ADSL dialer is used. Required to obtain a dynamic IP address as a network address.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Industrial applicability

The invention stores the network configuration parameters and the IPTV service related parameters on the smart card, and the digital television terminal obtains the network address by reading the information stored by the smart card, runs the service authentication algorithm through the smart card, implements service authentication, and then accesses the IPTV. The business management platform avoids the problems of slow speed and error-prone caused by inputting parameters through the remote controller, and when multiple users share a digital television terminal, only need to replace their respective smart cards, and the digital television terminal is still compatible. The way the smart card is activated makes the digital TV terminal more versatile and more flexible.

Claims

Claim

A method for digital television terminal internet protocol television IPTV service, characterized in that the method comprises:

After the power is turned on, detecting whether the digital television terminal has a smart card;

2. The method according to claim 1, wherein the method further comprises: pre-storing network configuration parameters in the smart card.

The method according to claim 1, wherein the method further comprises: pre-storing IPTV service parameters in the smart card;

Correspondingly, after the network address required for the IPTV service of the digital television terminal is obtained, the method further includes:

The method according to claim 3, wherein the smart card running service authentication algorithm is: using a service password of an IPTV service parameter pre-stored in the smart card as an encryption key, and receiving the service authentication office The required parameters are encrypted.

The method according to any one of claims 1 to 4, wherein the method further comprises: Storing the network configuration parameters and IPTV service parameters in a flash memory;

The method according to claim 5, wherein the network address required for acquiring the IPTV service of the digital television terminal according to the network address access mode corresponding to the network address access mode flag is:

When the network address access mode corresponding to the network address access mode flag is static IP, the pre-stored or flash-stored IP address in the smart card is read as a required network address;

When the network address access mode corresponding to the network address access mode flag is the dynamic host setting protocol DHCP and does not require authentication, the dynamic IP address is obtained from the network side as the required network address;

When the network address access mode corresponding to the network address access mode flag is a point-to-point protocol PPPoE on the Ethernet, the pre-stored or flash-stored PPPoE user name and password in the smart card are read and performed. Authentication: When the authentication is passed, the dynamic IP address is obtained as the required network address through the ADSL dialing method of the asymmetric digital subscriber loop.

A digital television terminal, comprising: a smart card control unit, a detecting unit, and a network address obtaining unit;

a detecting unit, configured to detect whether the smart card control unit has a smart card after being turned on; and a network address obtaining unit, configured to read a pre-stored network configuration parameter in the smart card when the smart card is detected; and according to the network configuration Parameter network address access mode The network address access mode corresponding to the location, and the network address required for the IPTV service of the digital television terminal is obtained.

The digital television terminal according to claim 7, wherein the smart card is configured to store network configuration parameters and IPTV service parameters;

Correspondingly, the digital television terminal further includes a service authentication unit, configured to read an IPTV service management platform address and a service account of the IPTV service parameter pre-stored in the smart card, and according to the address of the IPTV service management platform, Sending, by the IPTV service management platform, a user service authentication request, and sending, by the IPTV service management platform, parameters required for service authentication returned by the user service authentication request to the smart card;

The digital television terminal according to claim 8, wherein the smart card is specifically configured to use a service password of an IPTV service parameter stored in advance as an encryption key, and is required for authenticating the received service. The parameters are encrypted and calculated to obtain the service authentication value.

The digital television terminal according to claim 8, wherein the digital television terminal further comprises a Flash, configured to store the network configuration parameter and the IPTV service parameter;

The digital television terminal according to any one of claims 7 to 10, wherein the network address obtaining unit is specifically configured to: when the network address access mode flag bit corresponds to a network address access mode When the IP address is static IP, the IP address pre-stored or stored in the smart card is read as the required network address; when the network address access mode flag corresponding to the network address access mode is dynamic DHCP and not When authentication is required, the dynamic IP address is obtained from the network side as the required network address; when the network address access mode flag is corresponding to the network When the network access mode is dynamic DHCP and authentication is required, the DHCP user name and password stored in the smart card or stored in the smart card are read and authenticated. When the authentication is passed, the dynamic IP address is obtained from the network side. If the network address access mode corresponding to the network address access mode flag is PPPoE, the PPPoE user name and password stored in the smart card or stored in the flash card are read and authenticated. When the authentication is passed, the dynamic IP address is obtained through the ADSL dialing method as the required network address.