KR20090072433A - Interactive television based of electronic commerce service method and system using smart card - Google Patents

Abstract

An interactive television based electronic commerce service method using a smart card and a system thereof are provided to supply a smart card to a subscription terminal for an interactive television service, thereby enabling users to conveniently perform login of shopping malls through one smart card. Membership information transmitted from a shopping mall server corresponding to a specific shopping mall broadcasting channel is recorded in a smart card. A membership list information screen including a list of users subscribed to the shopping mall of the specific shopping mall broadcast channel is displayed through search of membership information stored in the smart card. Login to the shopping mall server is requested by checking a selected user among users included in the membership list information(S90). Authentication necessary for login is performed by the membership information(S160).

Description

Bidirectional TV based e-commerce service method and system using smart card {INTERACTIVE TELEVISION BASED OF ELECTRONIC COMMERCE SERVICE METHOD AND SYSTEM USING SMART CARD}

The present invention relates to a method and system for interactive TV based electronic commerce service using a smart card.

Currently, PC-based online transactions are exploding with the increase of the Internet population, and recently, attempts to provide TV-based e-commerce (hereinafter referred to as T-commerce) services in the IPTV environment to provide more convenient services at home and abroad In various ways.

Unlike the Internet environment, T-commerce is composed of an IPTV broadcasting station that has a certain qualification and has a shopping mall connected with a product that provides product information through a broadcasting program or a data channel through the IPTV broadcasting station.

Accordingly, the consumer purchases the goods according to the product information delivered through the TV broadcast, and the order information according to the goods purchase is T-commerce of the IPTV station through the reverse data channel (return path) from the set-top box installed in the consumer's home. It is delivered to the server, and is delivered to the corresponding merchandise sales shopping mall associated with the broadcasting station, and the goods are delivered and post-processed through the shopping mall. At this time, the shopping mall pays the broadcast platform fee to the broadcasting station, and the goods paid by the customer are delivered to the shopping mall through PG or VAN.

Here, it is expected that the shopping mall will want to manage customer CRM such as customers' tastes and preferred products, as well as simple purchase / delivery, and will continue to maintain customers by providing reward points for product purchases.

However, in such an IPTV-based T-commerce environment, the linkage between the broadcasting station and each shopping mall provides an independent shopping mall screen transmitted through a data channel regardless of broadcasting, or a broadcasting program that is provided based on its own channel even when linked with broadcasting. Or, since it is provided by a method such as linked with a program being broadcast in a third party channel, difficulty in acquiring, sharing and managing customer information between shopping malls operating in the same IPTV platform occurs.

In addition, considering the reality that IPTV set-tops are installed by generations and shared among families, only information about the entire household members can be extracted, not individual CRM when managing customers based on the set-top phone number or address. There is a problem.

The present invention was devised to solve the above problems, and has a smart card capable of providing an e-commerce service to a plurality of users in a two-way TV service subscriber terminal, and provides a specific shopping mall through membership applet information stored in the smart card. It is an object of the present invention to provide a method and system for an interactive TV-based e-commerce service using a smart card, which allows individual members to issue membership, log in authentication, and manage reward points according to product purchase.

According to an aspect of a two-way TV-based e-commerce service method using a smart card according to the present invention for achieving the above object, (a) a particular of a plurality of shopping mall broadcast channels transmitted in a multicast manner from the interactive TV headend Joining to a shopping mall broadcasting channel; (b) recording membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel to a smart card according to a request for issuing a membership of one of the plurality of users; (c) searching for membership information stored in the smart card according to the user's specific product purchase request and displaying a membership list information screen including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel; (d) requesting a login to the shopping mall server by checking a user selected from the users included in the membership list information; And (e) performing authentication necessary for login by using the membership information stored in the smart card in cooperation with the shopping mall server.

In the step (b), the membership information recorded in the smart card may include a shopping mall ID corresponding to the specific shopping mall broadcasting channel, a name of the user, a user ID assigned from the shopping mall server, and the assigned user ID. And a shopping mall guide key generated using the membership master key of the shopping mall of the specific shopping mall broadcasting channel, a user password, and point information of the user.

After the step (e), when the user purchases a specific product in the shopping mall of the specific shopping mall broadcasting channel, the membership information stored in the smart card in cooperation with the shopping mall server according to the point update request from the shopping mall server. (F) increasing or subtracting the points.

The step (b) may include: (b1) collecting user information according to the user's request for membership; (b2) when the collected user information is transmitted to the shopping mall server and receives membership information from the TYVLDAF server, cooperating with the interactive TV headend to perform authentication for recording the membership information on the smart card; (b3) receiving the user password; (b4) recording the input user password and membership information received from the shopping mall server on the smart card.

The step (e) may include: (e1) generating MAC_CL information using a random number R transmitted from the shopping mall server and a shopping mall derivation key of membership information stored in the smart card; (e2) transmitting the MAC_CL information generated by the smart card to the shopping mall server to perform authentication necessary for login.

Step (d) may include: (d1) identifying a user selected from the users included in the membership list information; (d2) checking the input password; (d3) requesting a login to the shopping mall server.

In addition, according to an aspect of the method for providing an e-commerce service in the interactive TV headend according to the present invention for achieving the above object, (a) transmitting a shopping mall channel broadcast transmitted from a plurality of shopping mall operators in a multicast manner step; (b) transmitting customer information transmitted from the interactive TV service subscriber terminal to the shopping mall server corresponding to the shopping mall broadcasting channel to which the interactive TV service subscriber terminal is joined; (c) transmitting membership information generated and transmitted by the shopping mall server to the interactive TV service subscriber station; (d) cooperating with a smart card provided in the interactive TV service subscriber terminal to perform authentication necessary for recording the membership information on the smart card.

In the step (b), the customer information transmitted to the shopping mall server includes a customer name, social security number, address information.

In the step (c), the membership information transmitted to the interactive TV service subscriber terminal is generated using the customer name, the customer ID assigned from the shopping mall server, the assigned customer ID and the membership master key of the shopping mall. The shopping mall guide key and point information are included.

Step (d) may include: (d1) generating MAC_HE information by using an arbitrary random number (R) transmitted from the interactive TV service subscriber station and an induction key generated when issuing the smart card; (d2) transmitting the generated MAC_HE information to the interactive TV service subscriber station to perform authentication necessary for recording the membership information on the smart card.

Meanwhile, according to an aspect of an interactive TV service subscriber terminal providing an electronic commerce service to a plurality of users according to the present invention for achieving the above object, a plurality of shopping mall broadcasting channels transmitted in a multicast manner from an interactive TV headend A broadcast processing module for receiving and outputting a shopping mall broadcast by joining to a specific shopping mall broadcast channel; A smart card for recording membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel according to a user's request for membership issuance; And search for membership list information stored in the smart card according to the user's specific product purchase request, output membership list information including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel, and include the membership list information in the membership list information. It checks the selected user among the user to request the login to the shopping mall server, and in cooperation with the shopping mall server includes an electronic commerce module for performing the authentication required for the login using the membership information stored in the smart card.

The membership information recorded in the smart card includes a shopping mall ID corresponding to the specific shopping mall broadcasting channel, a name of the user, a user ID assigned from the shopping mall server, the assigned user ID, and a shopping mall of the specific shopping mall broadcasting channel. And a shopping mall guide key generated using the membership master key of the user, a user password input through the electronic commerce module, and point information of the user.

The e-commerce module sends MAC_CL information generated by using a random number R transmitted from the shopping mall server and a shopping mall induction key of membership information stored in the smart card to the shopping mall server when a login request is made to the shopping mall server. Send and perform the authentication required for login.

The e-commerce module, in response to a point update request from the shopping mall server when the user purchases a specific product in the shopping mall of the specific shopping mall broadcasting channel, points of the membership information stored in the smart card in cooperation with the shopping mall server. To increase or decrease.

When the specific user is selected from the users included in the membership list information, the e-commerce module requests the input of a password and requests the login to the shopping mall server by checking the input password.

In addition, according to an aspect of the interactive TV headend system for providing an e-commerce service according to the present invention for achieving the above object, broadcast transmission for transmitting a shopping mall channel broadcast transmitted from a plurality of shopping mall operators in a multicast manner server; The customer information transmitted from the interactive TV service subscriber terminal is transmitted to the shopping mall server corresponding to the shopping mall broadcasting channel joined with the interactive TV service subscriber terminal, and the membership information generated in the shopping mall is transmitted to the interactive TV service subscriber terminal. An interactive TV e-commerce gateway; And a smart card management server cooperating with a smart card provided in the interactive TV service subscriber terminal to perform an authentication process necessary for recording the membership information on the smart card.

The smart card management server transmits the random number (R) transmitted from the interactive TV service subscriber terminal and MAC_HE information generated by using an induction key generated when issuing the smart card to the interactive TV service subscriber terminal. The authentication process required to record membership information on the smart card is performed.

Meanwhile, according to an aspect of a computer-readable medium recording a program for realizing a function of providing an e-commerce service to a plurality of users in an interactive TV service subscriber terminal according to the present invention for achieving the above object, ( a) joining a specific shopping mall broadcast channel among a plurality of shopping mall broadcast channels transmitted in a multicast manner from an interactive TV headend; (b) recording, on a smart card, membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel according to a request for issuing a membership of one of the plurality of users; (c) searching for membership information stored in the smart card according to the user's specific product purchase request and displaying a membership list information screen including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel; (d) a function of requesting to log in to the shopping mall server by checking a user selected from users included in the membership list information; And (e) a computer-readable medium having recorded thereon a program for realizing a function of performing authentication required for login by using the membership information stored in the smart card in cooperation with the shopping mall server.

According to the present invention, by providing a smart card capable of providing an e-commerce service to a plurality of users to the interactive TV service subscriber terminal, a plurality of users can conveniently log in to a plurality of shopping malls through the same smart card. In particular, since they log in by their family members, they can fundamentally block access to privacy-related information such as purchases made by others.

In addition, the shopping mall can identify customer information mounted on the same smart card so that reward points and customer management according to product purchase can be performed on an individual or family basis. Particularly, in the case of sharing the same master key through an alliance between shopping malls, Since it is possible to provide a federation point service that can be used in various affiliated stores as well as online, it is possible to provide a more flexible and diverse service than managing membership information in individual shopping malls.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a diagram showing the configuration of an e-commerce service system using a smart card in an interactive TV system according to an embodiment of the present invention.

As shown in FIG. 1, the e-commerce service system of the present invention includes a plurality of shopping malls 10, a set-top box having an IPTV headend 20 interworking with a plurality of shopping malls 10, and a smart card 35. 30) and the TV 40.

The plurality of shopping malls 10 are linked with the IPTV headend 20 to transmit different shopping mall broadcasts to the IPTV headend 20.

The IPTV headend 20 is a system for transmitting different shopping mall broadcasts transmitted from a plurality of shopping malls 10 in a multicast manner, and includes an IPTV e-commerce gateway 21, a return pass server 22, and a smart device. A card management server 23 and a broadcast delivery system 24.

The IPTV e-commerce gateway 21 is interlocked with a plurality of shopping malls 10 to transmit customer information transmitted from the set-top box 30 to a shopping mall server corresponding to a shopping mall channel broadcast being watched by an IPTV service subscriber, and generated in the shopping mall. The membership information transmitted is transmitted to the set top box 30.

Return pass server 22 is a set-top box (30) for information related to issuing a membership of a user watching a specific shopping mall broadcast, login using the issued membership information, and increase / decrease points according to the purchase of a product logged in a specific shopping mall In response thereto, the information returned from the set-top box 30 is transmitted to the specific shopping mall through the IPTV e-commerce gateway 21.

The smart card management server 23 performs an authentication process required to record membership information generated and transmitted in the shopping mall in the smart card 35 in cooperation with the smart card 35 provided in the set top box 30.

That is, the smart card management server 23 uses the random number R transmitted from the set-top box 30 and the MAC_HE information generated using the induction key generated when the smart card 35 is issued to the set-top box 30. By performing the authentication process required to record the membership information in the smart card 35 by transmitting.

The broadcast transmission system 24 transmits shopping mall channel broadcasts transmitted from a plurality of shopping mall operators in a multicast manner.

The set-top box 30 receives a channel broadcast selected by the IPTV service subscriber from among a plurality of channel broadcasts transmitted from the IPTV headend 20 in a multicast manner and outputs it to the TV 40.

In particular, the set-top box 30 is provided with a smart card 35 for issuing membership in a shopping mall channel broadcast that the subscriber of the IPTV service is watching, logging in to purchase a specific product, and increasing / deducting points according to the product purchase after logging in. Provide e-commerce services to users of.

FIG. 2 is a diagram illustrating an internal system configuration of a shopping mall in the e-commerce service system of FIG. 1.

As shown in FIG. 2, the internal system 10 of the shopping mall includes a customer information DB 11, a customer management system 12, a product management system 13, a delivery management system 14, and an order processing. A system 15, a membership management system 16, and a customer authentication system 17 are included.

The customer information DB 11 transmits the customer information (name, social security number, address, etc.) collected in the set-top box 30 through the IPTV headend 20 in response to a request for issuing a membership of an IPTV service subscriber watching a specific shopping mall broadcast. Take it and save it.

The customer management system 12 manages customer information stored in the customer information DB 11, and when a user logged in to a shopping mall purchases a specific product, the customer management system 12 stores and increases the purchase history information of the customer who purchased the specific product. The point P to be subtracted is calculated.

The product management system 13 manages various product contents provided from the shopping mall and manages product purchase history information purchased by a plurality of users who log in to the shopping mall in connection with the customer management system 12.

The delivery management system 14 registers and manages delivery information when a user who logs in to a shopping mall in connection with the product management system 13 requests a purchase by purchasing a specific product.

The order processing system 15 performs order processing for a specific product requested for delivery by the user in connection with the delivery management system 14.

The membership management system 16 allocates a customer ID corresponding to the received customer information when receiving the customer information transmitted from the set-top box 30 according to a request for issuing a membership of an IPTV service subscriber who is watching a specific shopping mall broadcast.

In addition, the membership management system 16 receives and confirms the point processing result that is increased or subtracted from the smart card 35 provided in the set-top box 30 through the IPTV headend 20.

The customer authentication system 17 generates a shopping mall induction key for membership issuance using the customer ID assigned by the membership management system 16 and the membership master key of the shopping mall, and generates the shopping mall induction key and the customer name and customer ID. The information is transmitted to the set-top box 30 through the IPTV head end 20.

In particular, in the case of sharing the same master key through a partnership between a plurality of shopping malls 10 interlocked with the IPTV headend 20 in Figure 1 of the association point service available at various merchants, such as happy points or OK cashback Since the federation point can be used not only online but also at other offline affiliates that share a master key, it is possible to provide more flexible and various services than managing membership information in individual shopping malls.

3 is a diagram illustrating an internal configuration of a set-top box in the e-commerce service system of FIG.

As shown in FIG. 3, the set-top box 30 of the present invention includes a network interface unit 31, a broadcast processing module 32, an IPTV e-commerce module 33, a smart card controller 34, It is configured to include a smart card 35.

The network interface unit 31 is a module for performing network interfacing with the IPTV headend 20. The network interface unit 31 receives a channel broadcast transmitted from the IPTV headend 20, issues a membership of a specific shopping mall of an IPTV service subscriber, and issues membership. It transmits and receives information related to login of a specific shopping mall using information and increase / deduction of points according to purchase of a specific product of a user logged in a specific shopping mall.

The broadcast processing module 32 joins a specific shopping mall channel broadcast among a plurality of shopping mall channel broadcasts transmitted from the IPTV headend 20 in a multicast manner, and receives the joined specific shopping mall channel broadcast to output to the TV 40. do.

The IPTV e-commerce module 33 includes a list of users subscribed to the shopping mall of a specific shopping mall broadcasting channel by searching for membership list information stored in the smart card 35 when a specific product purchase request of an IPTV service subscriber who is watching a specific shopping mall is requested. Print membership list information.

In addition, the IPTV e-commerce module 33, when a specific user is selected among the users included in the membership list information, requests the input of a password, checks the input password, requests a login to the shopping mall server, and cooperates with the shopping mall server. Authentication required for login is performed using the membership information stored in the smart card 35.

That is, the IPTV e-commerce module 33 uses the random number R transmitted from the shopping mall server and the MAC_CL information generated by using the shopping mall induction key of the membership information stored in the smart card 35 when requesting a login to the shopping mall server. Sends to the shopping mall server and performs authentication required for login.

In addition, when the user purchases a specific product in a shopping mall of a specific shopping mall channel broadcast, the IPTV e-commerce module 33 may register membership information stored in the smart card 35 in cooperation with the shopping mall server according to a request for updating a point from the shopping mall server. Increase or decrease the point of.

The smart card controller 34 is a module for controlling a smart card, and includes a smart card control module 34a for controlling the smart card 35 and a smart card reader 34b for reading the smart card 35. It is configured to include.

The smart card 35 records the membership information transmitted from the shopping mall server corresponding to the specific shopping mall broadcasting channel in the membership applet 35a according to the request for issuing a membership of the IPTV service subscriber. Here, the membership information recorded in the membership applet 35a includes a shopping mall ID, a customer name, a customer ID and password, a shopping mall induction key, and customer point information.

4 is a diagram illustrating a shopping mall membership issuing process of an interactive TV service subscriber according to an embodiment of the present invention, and FIG. 5 is an example of a login screen displayed on a TV screen when a purchase request is generated by a specific shopping mall membership issuer. 6 is a diagram illustrating an example of membership applet information for each shopping mall stored in a membership applet of a smart card.

As shown, when the shopping mall broadcasts provided from the plurality of shopping malls 10 are transmitted to the IPTV headend 20 (S10), the IPTV headend 20 transmits the transmitted shopping mall broadcasts in a multicast manner ( S20).

Subsequently, the broadcast processing module 32 of the IPTV service subscriber terminal 30 joins (S30) a specific channel broadcast according to a user's request, and the joined channel broadcast is transmitted to the IPTV service subscriber terminal 30 through a router. In operation S40, the user may watch a specific shopping mall broadcast through the TV.

Subsequently, the IPTV service subscriber station 30 determines whether a purchase request is generated by selecting a purchase button displayed on a shopping mall channel broadcasting screen currently being viewed by pressing a specific button provided on the remote controller (S50).

If it is determined that the purchase request is generated by the user, the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30 inquires the applet information stored in the membership applet 35a of the smart card 35 ( S60) to display the login screen (S70). In this case, as shown in FIG. 5, the log-in screen displayed includes a name list of the customers subscribed to the specific shopping mall and a new subscription menu.

Subsequently, the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30 determines whether the user requests a membership issue by pressing a new subscription menu on the login screen (S80).

If it is determined that the membership is requested from the user, the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30 provides a customer information input window to collect customer information (name, social security number, address, etc.) input by the user. In operation S90, the collected customer information is transmitted to the shopping mall corresponding to the specific shopping mall broadcasting channel that the user is watching through the IPTV headend 20 (S100).

Accordingly, the membership management system 16 of the shopping mall 10 receiving the customer information allocates a customer ID corresponding to the transmitted customer information, and the customer authentication system 17 assigns the assigned customer ID and membership master key of the shopping mall. By using the shopping mall induced key is generated (S110).

Subsequently, the customer authentication system 17 of the shopping mall 10 transmits the membership issue information (name, shopping mall induction key, customer ID) to the IPTV service subscriber terminal 30 through the IPTV headend 20 (S120). In the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30, the smart card 35 provided in the IPTV service subscriber terminal 30 requests a shopping mall induction key and a customer ID write request.

Accordingly, the smart card 35 of the IPTV service subscriber terminal 30 generates a random number (R) (S130), the generated random number (R) through the IPTV e-commerce module 33 The IPTV headend 20 is transmitted (S140).

Subsequently, the smart card management server 23 of the IPTV headend 20 uses a smart card guide key for the IPTV service generated when the smart card is issued and an arbitrary random number R transmitted from the IPTV service subscriber terminal 30. The MAC_HE is generated (S150) and transmitted to the smart card 35 provided in the IPTV service subscriber terminal 30 (S160).

When the smart card 35 of the IPTV service subscriber terminal 30 receives the MAC_HE from the smart card management server 23 of the IPTV headend 20, the derived key and the random number R of the issued smart card are received. By using the generated MAC_CL (S170).

Subsequently, the smart card 35 of the IPTV service subscriber terminal 30 compares MAC_HE and MAC_CL transmitted from the smart card management server 23 of the IPTV headend 20 to determine whether they are the same (S180).

As a result of determination, when MAC_HE and MAC_CL have the same value, the IPTV service subscriber station 30 receives a customer PIN number input by the user by providing a customer PIN number input window (S190).

Subsequently, in the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30, membership information (customer ID, name, shopping mall induction key, customer PIN number) is recorded in the membership applet of the smart card 35 (S200). . At this time, in the membership applet of the smart card 35, membership information is recorded for each shopping mall as shown in FIG.

Meanwhile, the IPTV headend 20 does not transmit membership issuance information (name, shopping mall induction key, customer ID) to the IPTV service subscriber terminal 30 in the customer authentication system 17 of the shopping mall 10 in step S120. It can be transmitted to the smart card management server 23, in this case the smart card management server 23 of the IPTV headend 20 to the smart card 35 provided in the IPTV service subscriber terminal 30 to the shopping mall guide key, The customer ID write request is made. Hereinafter, since the process of S130 and below is the same as the above description, detailed description thereof will be omitted.

7 is a diagram illustrating a login process of a specific shopping mall membership subscriber according to an embodiment of the present invention.

As shown in FIG. 7, when shopping mall broadcasts provided from the plurality of shopping malls 10 are transmitted to the IPTV headend 20 (S10), the IPTV headend 20 multicasts the transmitted shopping mall broadcasts. Will be transmitted (S20).

Subsequently, the broadcast processing module 32 of the IPTV service subscriber terminal 30 joins (S30) a specific channel broadcast in response to a user's request, and the joined channel broadcast is sent to the IPTV service subscriber terminal 30 through a router. In operation S40, the user may watch a specific shopping mall broadcast through the TV.

Subsequently, the IPTV service subscriber station 30 determines whether a purchase request is generated by selecting a purchase button displayed on a shopping mall channel broadcasting screen currently being viewed by pressing a specific button provided on the remote controller (S50).

If it is determined that the purchase request is generated by the user, the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30 inquires the applet information stored in the membership applet 35a of the smart card 35 ( S60) to display the login screen (S70). In this case, as shown in FIG. 5, the log-in screen displayed includes a name list of a customer who has subscribed to a specific shopping mall and a new subscription menu.

When the purchase request customer selects his / her name from the login screen displayed on the TV screen and inputs a PIN number (S80), the input PIN number is entered in the IPTV e-commerce module 33 of the IPTV service subscriber terminal 30. If it matches the PIN number corresponding to the selected name, the client ID is transmitted to the specific shopping mall through the IPTV headend 20 to make a login request (S90).

Upon receiving the login request from the IPTV service subscriber terminal 30, the customer authentication system 17 of the specific shopping mall generates an arbitrary random number R (S100) and performs the IPTV service subscriber terminal 30 through the IPTV headend 20. Is transmitted (S110).

Accordingly, the IPTV service subscriber terminal 30 transmits the random number R transmitted from the customer authentication system 17 of the specific shopping mall to the smart card 35, and the smart card 35 provides the shopping mall induction key and the like. A random random number R is used to generate MAC_CL (S120).

Subsequently, the IPTV service subscriber station 30 transmits the MAC_CL generated by the smart card 35 to a specific shopping mall through the IPTV headend 20 (S130).

When receiving the MAC_CL from the IPTV service subscriber terminal 30 in the customer authentication system 17 of the specific shopping mall, MAC_SH is generated using the shopping mall induction key corresponding to the customer ID and an arbitrary random number R (S140).

Subsequently, the customer authentication system 17 of the specific shopping mall determines whether the MAC_CL and MAC_SH values transmitted from the IPTV service subscriber terminal 30 are the same (S150), and if the MAC_CL and MAC_SH have the same value, the login authentication (S160). Will be

8 is a diagram illustrating a point increase / deduction process through a specific product purchase process after login of a specific shopping mall membership subscriber according to an embodiment of the present invention.

As shown in FIG. 8, a user whose login is normally authenticated in a specific shopping mall purchases a desired product in a specific shopping mall (S10).

The customer management system 12 of the specific shopping mall stores the purchase history information of the customer who purchased the specific product and calculates a point P to increase or subtract (S20).

Subsequently, the customer authentication system 17 of the specific shopping mall requests a point update request S30 to the IPTV service subscriber terminal 30 through the IPTV headend 20.

The IPTV service subscriber station 30 generates a random number R according to a point update request from a specific shopping mall (S40), and transmits it to the specific shopping mall through the IPTV headend 20 (S50).

Accordingly, the customer authentication system 17 of the shopping mall generates MAC_SH using the shopping mall inducing key and a random random number R (S60).

Subsequently, in the customer authentication system 17 of the shopping mall, the generated MAC_SH and the calculated increase or decrease point P are transmitted to the smart card 35 of the IPTV service subscriber terminal 30 through the IPTV headend 20 (S70). )

When the smart card 35 of the IPTV service subscriber terminal 30 receives the MAC_SH and the calculated increase or deduction point P from the customer authentication system 17 of the specific shopping mall, the smart card 35 receives the shopping mall induction key and a random random number R. By using the MAC_CL is generated (S80).

Subsequently, the smart card 35 of the IPTV service subscriber terminal 30 determines whether the MAC_SH and the MAC_CL transmitted from the customer authentication system 17 of the specific shopping mall have the same value (S90), so that the MAC_SH and the MAC_CL have the same value. In the case of increasing or decreasing the transmitted point by (S100).

The IPTV service subscriber station 30 transmits the increased or deducted point processing result to the specific shopping mall through the IPTV headend 20 (S110), and the membership management system 16 of the specific shopping mall increases or deducts the point processing result. The result is confirmed (S120).

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

1 is a view showing the configuration of an e-commerce service system using a smart card in an interactive TV system according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an internal system configuration of a shopping mall in the e-commerce service system of FIG. 1.

3 is a view showing the internal configuration of the set-top box in the e-commerce service system of FIG.

4 is a diagram illustrating a shopping mall membership issuing process of an interactive TV service subscriber according to an embodiment of the present invention.

5 is a diagram illustrating an example of a login screen displayed on a TV screen when a purchase request is generated by a specific shopping mall membership issuer.

6 is a diagram illustrating an example of membership applet information for each shopping mall stored in a membership applet of a smart card.

7 is a diagram illustrating a login process of a specific shopping mall membership subscriber according to an embodiment of the present invention.

8 is a diagram illustrating a point increase / deduction process through a specific product purchase process after login of a specific shopping mall membership subscriber according to an embodiment of the present invention.

Claims (18)

A method of providing an e-commerce service to a plurality of users in an interactive TV service subscriber terminal, (a) joining a specific shopping mall broadcast channel among a plurality of shopping mall broadcast channels transmitted in a multicast manner from an interactive TV headend; (b) recording membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel to a smart card according to a request for issuing a membership of one of the plurality of users; (c) searching for membership information stored in the smart card according to the user's specific product purchase request and displaying a membership list information screen including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel; (d) requesting a login to the shopping mall server by checking a user selected from the users included in the membership list information; And (e) performing authentication necessary for login by using the membership information stored in the smart card in cooperation with the shopping mall server; E-commerce method in a two-way TV service subscriber terminal comprising a. The method according to claim 1, In step (b), Membership information recorded in the smart card, A shopping mall ID corresponding to the specific shopping mall broadcasting channel, a name of the user, a user ID assigned from the shopping mall server, the assigned user ID, and a membership master key of the shopping mall of the specific shopping mall broadcasting channel. Shopping mall induction key, user password and point information of the user E-commerce method in a two-way TV service subscriber terminal comprising a. The method according to claim 2, (f) after the step (e), when the user purchases a specific product in a shopping mall of the specific shopping mall broadcasting channel, the smart card stored in the smart card in cooperation with the shopping mall server according to a point update request from the shopping mall server. Increasing or subtracting points for membership information E-commerce method in a two-way TV service subscriber terminal further comprising. The method according to claim 2, In step (b), (b1) collecting user information according to the user's membership issuance request; (b2) when the collected user information is transmitted to the shopping mall server and receives membership information from the shopping mall server, cooperating with the interactive TV headend to perform authentication for recording the membership information on the smart card; (b3) receiving the user password; (b4) recording the input user password and membership information received from the shopping mall server on the smart card; E-commerce method in a two-way TV service subscriber terminal comprising a. The method according to claim 2, In step (e), (e1) generating MAC_CL information using a random number R transmitted from the shopping mall server and a shopping mall induction key of membership information stored in the smart card; (e2) transmitting the MAC_CL information generated from the smart card to the shopping mall server to perform authentication necessary for login; E-commerce method in a two-way TV service subscriber terminal comprising a. The method according to claim 1, In step (d), (d1) checking a user selected from the users included in the membership list information; (d2) checking the input password; (d3) requesting login to the shopping mall server E-commerce method in a two-way TV service subscriber terminal comprising a. A method of providing an e-commerce service in an interactive TV headend, (a) transmitting a shopping mall channel broadcast transmitted from a plurality of shopping mall operators in a multicast manner; (b) transmitting customer information transmitted from the interactive TV service subscriber terminal to the shopping mall server corresponding to the shopping mall broadcasting channel to which the interactive TV service subscriber terminal is joined; (c) transmitting membership information generated and transmitted by the shopping mall server to the interactive TV service subscriber station; (d) cooperating with a smart card provided in the interactive TV service subscriber station to perform authentication necessary for recording the membership information on the smart card; E-commerce service providing method in the interactive TV headend comprising a. The method according to claim 7, In step (b), Customer information transmitted to the shopping mall server, Customer Name, Social Security Number, and Address Information E-commerce service providing method in a two-way TV headend comprising a. The method according to claim 8, In the step (c), Membership information transmitted to the interactive TV service subscriber station, Shopping mall induction key and point information generated using the customer name, the customer ID assigned from the shopping mall server, the assigned customer ID and the membership master key of the shopping mall E-commerce service providing method in a two-way TV headend comprising a. The method according to claim 7, In step (d), (d1) generating MAC_HE information by using an arbitrary random number (R) transmitted from the interactive TV service subscriber station and an induction key generated when issuing the smart card; (d2) transmitting the generated MAC_HE information to the interactive TV service subscriber station to perform authentication necessary for recording the membership information on the smart card; E-commerce service providing method in a two-way TV headend comprising a. An interactive TV service subscriber terminal providing an e-commerce service to a plurality of users, A broadcast processing module for receiving and outputting a corresponding shopping mall broadcast by joining a specific shopping mall broadcasting channel among a plurality of shopping mall broadcasting channels transmitted in a multicast manner from an interactive TV headend; A smart card for recording membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel according to a user's request for membership issuance; And Search for membership list information stored in the smart card according to the user's specific product purchase request, output membership list information including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel, and include the membership list information in the membership list information. An e-commerce module for checking a selected user among the registered users and requesting login to the shopping mall server and performing authentication necessary for login using the membership information stored in the smart card in cooperation with the shopping mall server Interactive TV service subscriber terminal comprising a. The method according to claim 11, Membership information recorded in the smart card, A shopping mall ID corresponding to the specific shopping mall broadcasting channel, a name of the user, a user ID assigned from the shopping mall server, the assigned user ID, and a membership master key of the shopping mall of the specific shopping mall broadcasting channel. A shopping mall induction key, a user password input through the e-commerce module and point information of the user Interactive TV service subscriber terminal comprising a. The method according to claim 12, The e-commerce module, Authentication required for login by transmitting MAC_CL information generated by using a random number R transmitted from the shopping mall server and a shopping mall induction key of membership information stored in the smart card when the login server is requested to log in to the shopping mall server. To do Interactive TV service subscriber terminal, characterized in that. The method according to claim 12, The e-commerce module, When the user purchases a specific product in the shopping mall of the specific shopping mall broadcasting channel, the point of the membership information stored in the smart card is increased or subtracted in cooperation with the shopping mall server according to a point update request from the shopping mall server. Interactive TV service subscriber terminal, characterized in that. The method according to claim 11, The e-commerce module, When a specific user is selected among the users included in the membership list information, requesting input of a password and confirming the input password request a login to the shopping mall server. Interactive TV service subscriber terminal, characterized in that. An interactive TV headend system for providing e-commerce services, A broadcast transmission server for transmitting shopping mall channel broadcasts transmitted from a plurality of shopping mall operators in a multicast manner; The customer information transmitted from the interactive TV service subscriber terminal is transmitted to the shopping mall server corresponding to the shopping mall broadcasting channel joined with the interactive TV service subscriber terminal, and the membership information generated in the shopping mall is transmitted to the interactive TV service subscriber terminal. An interactive TV e-commerce gateway; And Smart card management server for performing the authentication process required to record the membership information to the smart card in cooperation with the smart card provided in the interactive TV service subscriber terminal Interactive TV headend system for providing an e-commerce service comprising a. The method according to claim 16, The smart card management server, The random information R transmitted from the two-way TV service subscriber terminal and the MAC_HE information generated by using the induction key generated when the smart card is issued are transmitted to the two-way TV service subscriber terminal to transmit the membership information to the smart card. Performing the authentication process required to record Interactive TV headend system for providing an e-commerce service, characterized in that. (a) joining a specific shopping mall broadcast channel among a plurality of shopping mall broadcast channels transmitted in a multicast manner from an interactive TV headend; (b) recording, on a smart card, membership information transmitted from a shopping mall server corresponding to the specific shopping mall broadcasting channel according to a request for issuing a membership of one of the plurality of users; (c) searching for membership information stored in the smart card according to the user's specific product purchase request and displaying a membership list information screen including a list of users subscribed to the shopping mall of the specific shopping mall broadcasting channel; (d) a function of requesting to log in to the shopping mall server by checking a user selected from users included in the membership list information; And (e) a function of performing authentication required for login by using the membership information stored in the smart card in cooperation with the shopping mall server; A computer readable medium having recorded a program for realizing the problem.

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