KR100985577B1 - Rf-id tag, system for purchasing service by using rf-id tag and method thereof - Google Patents

Abstract

The present invention provides a service purchase information from an RF-ID interface unit for receiving service purchase information from an RF-ID tag, a service purchase information processing unit for authenticating the validity of the service purchase information, and a server corresponding to the service purchase information whose validity has been authenticated. It includes a control unit receiving a corresponding service. Accordingly, by authenticating the service purchase information and using the authenticated service purchase information for the service purchase, there is an excellent effect that the service user can conveniently and securely purchase the service.

RFID, Content Purchase, Certification

Description

Service purchase system using RF-ID tag and RF-ID tag, and method thereof {RF-ID TAG, SYSTEM FOR PURCHASING SERVICE BY USING RF-ID TAG AND METHOD THEREOF}

The present invention relates to a system and a method for purchasing a service using a radio frequency identification tag (RFD) tag, an RDF tag, and more particularly, to purchase a service associated with an RF-ID tag including purchase information. The present invention relates to a service purchase system using the RF-ID tag, the RF-ID tag, and a method thereof.

The RF-ID technology is well known as a means of recognizing a person or object carrying a wireless tag, typically without a physical contact, within a short distance of about 1 meter. Applications of this technology include tagging animals such as pet dogs, cows, and sheep, locating people in dangerous areas such as offshore drilling stations, and merchandise at retail and logistics levels. Include tracing. They form the basic mechanism for a very convenient form of interaction between a system and a person or device.

Recently, the RDF-ID tag is linked to not only tangible goods but also services such as intangible content, so that digital content reproduction systems equipped with the RF-ID processing system can purchase paid service goods such as content and movie tickets. do.

However, according to the conventional service purchase method using the RF-ID tag, the RF-ID tag provides only the demo content information without providing the content purchase information. Accordingly, it takes a long time to communicate online with a separate server for purchase and download of content, does not provide authentication function of purchase information, and determines whether to purchase immediately after the digital content playback system acquires demo content information. There was a problem to be done.

Accordingly, an object of the present invention is to provide content information, right information, purchase information, and the like in an RF-ID tag, thereby enhancing the convenience of purchasing a service product such as content, and ensuring RF. A service purchase system using a -ID tag and an RF-ID tag and a method thereof are provided.

Service acquisition system according to an embodiment of the present invention for achieving the above object, RF-ID interface for receiving service purchase information from the RF-ID tag; A service purchase information processing unit which authenticates validity of the service purchase information; And a controller configured to receive a service corresponding to the service purchase information from a server corresponding to the service purchase information for which the validity is authenticated.

The apparatus may further include a transceiver for transmitting and receiving data to and from the server, wherein the controller receives the service by performing a payment operation on the server through the transceiver.

Here, the storage unit for storing the service purchase information authenticated by the service purchase information processing unit; further includes.

In this case, the transmission and reception unit for transmitting and receiving data with an external device further includes, wherein the control unit, the service purchase information stored in the storage unit to the external device through the transmission and reception unit, payment from the external device to the server Allows you to perform an action.

The apparatus may further include a service reproducing unit which reproduces and outputs the provided service and displays an authentication failure when authentication of the service purchase information fails.

The apparatus may further include an input unit for receiving a reading command for the RF-ID tag, a payment command for the service, and a playback command.

At this time, the service purchase information processing unit obtains the signature information and checks whether the signature information has been tampered with or not, by using a certificate in the terminal.

The service purchase information may include at least one of information indicating a service characteristic, information indicating a right to a service, information indicating a payment method, and authentication information ensuring the validity of the service purchase information itself.

According to another embodiment of the present invention, an RF-ID tag includes a receiver; A transmitter; A storage unit storing service purchase information for validity authentication and service use; And a tag controller which transmits the service purchase information to the RF-ID reader through the transmitter to receive the validity authentication and the service purchase when the service purchase information request signal is received through the receiving unit.

In this case, the service purchase information includes at least one of information indicating a service characteristic, information indicating a right for a service, information indicating a payment method, and authentication information for ensuring the validity of the service purchase information itself.

According to an embodiment of the present invention, a service purchase method includes: authenticating a service purchase information provided from an RF-ID tag in the RF-ID reader; And receiving, by the RF-ID reader, a service corresponding to the service purchase information from a server corresponding to the service purchase information for which the validity is authenticated.

In this case, requesting the service purchase information for the RF-ID tag, detecting the service purchase information from the RF signal received from the RF-ID tag;

In the receiving of the service, a payment operation is performed on the server to receive the service.

Here, storing the service purchase information of the validity authentication; further includes.

The method may further include transmitting the stored service purchase information to an external device, so that the external device may perform a payment operation on the server.

In this case, if authentication for the service purchase information fails, displaying the fact that the authentication failure; further includes.

In addition, the step of authenticating the validity of the service purchase information, obtains the signature information and confirms whether or not the signature information is tampered with, or other information by using a certificate in the terminal.

Here, the service purchase information includes at least one of information indicating a service characteristic, information indicating a right to a service, information indicating a payment method, and authentication information to guarantee the validity of the service purchase information itself.

The service purchase system and the method using the RF-ID tag and the RF-ID tag of the present invention authenticate service purchase information and utilize the authenticated service purchase information for service purchase, so that a service user can conveniently and securely purchase a service. Has an excellent effect to make.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

1 is an operation flowchart showing a service purchase method using an RF-ID tag according to an embodiment of the present invention.

First, the RF-ID reader acquires service purchase information CPRI from the RF-ID tag (S110). Here, the RDF-ID reader is a system that provides a service purchase function using the RDF-ID tag, and means any device capable of mounting the RF-ID processing function such as a mobile phone, a PDA, a notebook computer, and the like. In addition, the service purchase information may include, but is not limited to, processing module related information CRPI_Global, content information Content_info, authorization information Right_info, payment information Purse_info, and the like.

The service purchase information CPRI will be described in detail as follows.

The processing module related information CRPI_Global of the service purchase information CPRI may include a version CRPI_ver (eg, 1.0 version) of the service purchase information, an identifier (CRPI_ID) set by the creator of the service purchase information, The update URL of the service purchase information module (CRPI_URL) in relation to the validity period (CRPI_valid_period) of the service purchase information (for example, March 31, 2005) and the validity period (CRPI_valid_period) of the service purchase information. The RDF-ID reader may compare a version (Version) of the service purchase information processing module held by the RDF-ID reader with a version (CRPI_ver) of the obtained service purchase information and process the service purchase information. If the version of the module is low, get a newer version of the service purchase information processing module from the renewal URL (for example, www.matrix.com/CRPI) or a higher version of service purchase information (CPRI). It can be provided for the processing. Further, the validity period of the service purchase information CPRI is set by the service purchase information creator, and when the validity period of the service purchase information CPRI has passed, the version of the service purchase information processing module is set to the service purchase information CPRI. Service purchase information processing module may not be able to process service purchase information (CPRI).

The content information (Content_info) of the service purchase information (CPRI) may include a content identifier (Content_ID), a content type (Content_Class) (for example, a movie, music, music video, etc.) set by a content producer, and a content name ( Content_Name) (e.g., matrix, once, loved you, etc.), Content_Specification (e.g., 212 minutes running time, image size 640 * 288, audio type MP3, frame rate 25Frame / sec, etc.) It may include.

Meanwhile, the right information Info_right in the service purchase information CPRI may include a right range (eg, a playback right, a preview right), a right price (Right_Unit), etc. 100 won, 500 won per 10 times, and the like, and Digital Rights Management (DRM) for managing rights (eg, MS Media Player 9.0). At this time, it is desirable to confirm in advance whether the DRM managing the authority is processable.

In addition, payment information Purchase_info of the service purchase information CPRI includes payment method Purchasing (for example, credit card payment, mobile phone payment, etc.), payment authorization (Purchase_Auth) (for example, digital signature (Digital_Sig). ), No authentication (None, etc.), payment invoice (Purchase_Invoice) (e.g., email, short message (SMS), URL, no transfer, etc.), payment URL (e.g., www.matrix.com/content) and the like. Here, payment authentication (Purchase_Auth) or payment invoice transmission method (Purchase_Invoice) may be different according to the payment method (Purchase_Method).

Furthermore, the service purchase information CPRI includes service purchase information CPRI validity authentication information CPRI_validity, so that the contents of the payment method and the processing module can be authenticated. The service purchase information (CPRI) validity authentication information (CPRI_validity) is a validation method (validation_method) to be used (for example, a public key infrastructure (PKI), keyed-hash message authentication code (HMAC), etc.) It may include a verification parameter (Validation_parameter) indicating, etc., a signature value (Validation_value) for guaranteeing the reliability of the overall service purchase information (CPRI).

Thereafter, the RF-ID reader authenticates the validity of the service purchase information (CPRI) obtained from the RF-ID tag (S120). Here, the validity authentication method may use PKI, HMAC, etc. according to the validity authentication information CPRI_validity, but is not limited thereto. In addition, if the validity of the service purchase information (CPRI) is not authenticated, the process is terminated. At this time, the service purchase information (CPRI) obtained from the RF-ID tag before ending the process may indicate that it is not valid (S150), but is not limited thereto.

Thereafter, the RF-ID reader determines whether a service purchase request has been input from the user of the RF-ID reader (S130).

If the service purchase request is input, the service is obtained from the server by performing a payment operation (S140). On the other hand, if the service purchase request is not input, and repeats the step (S130) of determining whether or not the service purchase request from the user of the RF-ID reader.

2 is a flowchart illustrating a service purchase method using an RF-ID tag according to another embodiment of the present invention.

First, the RF-ID reader acquires service purchase information CPRI from the RF-ID tag (S210).

Thereafter, the RF-ID reader authenticates the validity of the service purchase information (CPRI) obtained from the RF-ID tag (S220). Here, if the validity of the service purchase information (CPRI) is not authenticated, the process ends. At this time, the service purchase information (CPRI) obtained from the RF-ID tag before ending the process may indicate that it is not valid (S260), but is not limited thereto.

Thereafter, the RF-ID reader stores the service purchase information CPRI whose validity is authenticated in the storage unit in the RF-ID reader (S230). Here, the storage of the service purchase information CPRI whose validity is certified may include the concept of temporary storage.

Thereafter, the RF-ID reader determines whether a service purchase request has been input from the user of the RF-ID reader (S240).

If the service purchase request is input, the service is obtained from the server by performing a payment operation (S250). On the other hand, if the service purchase request is not input, and repeats the step (S240) to determine whether the service purchase request from the user of the RF-ID reader. That is, since the user of the RF-ID reader can use the pre-stored service purchase information (CPRI) at any time, the timing for the service purchase can be adjusted as desired.

3 is an operation flowchart showing a service purchase method using an RF-ID tag according to another embodiment of the present invention.

First, the RF-ID reader acquires service purchase information CPRI from the RF-ID tag (S310).

Thereafter, the RF-ID reader authenticates the validity of the service purchase information (CPRI) obtained from the RF-ID tag (S320). Here, if the validity of the service purchase information (CPRI) is not authenticated, the process ends. At this time, the service purchase information (CPRI) obtained from the RF-ID tag before ending the process may indicate that it is not valid (S350), but is not limited thereto.

Thereafter, the RF-ID reader stores the service purchase information CPRI whose validity is authenticated in the storage unit in the RF-ID reader (S330). Here, the storage of the service purchase information CPRI whose validity is certified may include the concept of temporary storage.

Thereafter, the RDF-ID reader transfers the service purchase information CPRI whose validity has been previously stored to another device (S340). Herein, other devices include not only all devices capable of mounting the RF-ID processing function such as mobile phones, PDAs, and notebook computers, but all devices which do not have the RF-ID processing functions but can communicate with the server to purchase a service (for example, , A desktop computer with communication capabilities, etc.).

On the other hand, a device connected to the server by a low-cost communication means (for example, high-speed wired Internet, etc.) among other devices that received the service purchase information (CPRI) can obtain the service through the following process. Here, the content is described as an example of the service, but this is only an example for convenience and the present invention is not limited thereto.

First, a device to obtain a service requests demo content data to a server side using service purchase information CPRI. Here, the demo content information is information for requesting demo content data which is a part of the content, and is information that allows the RF-ID reader to be provided with a part of the content so that it can determine whether to purchase the content. Thereafter, the server transmits the demo content data to the device side at the request of the device. Thereafter, the device plays the demo content data received from the server so that the user can decide whether to purchase. If the user decides to purchase the content, the device requests the server side for rights and payment information (Right and Purchase Info). On the other hand, if the user decides not to purchase the content, the process ends. Thereafter, the device receives the rights and payment information (Right and Purchase Info) from the server, and performs a payment operation with reference to the rights and payment information (Right and Purchase Info). Finally, the device receives the desired content from the server as the payment operation is completed. In other words, acquiring service validation information (CPRI) and authenticating the validity is inexpensive user interface means (e.g., small display and small keypad) connected to the server and expensive communication means (e.g. cellular communication, etc.). Service purchase information (CPRI) is connected to the server via a low-cost communication means (e.g., high-speed wired Internet, etc.) and has excellent user interface means (e.g., a large monitor and keyboard). By performing the content purchase operation by transferring to another device having the same), it is possible to reduce the communication cost due to the service purchase and download, and to facilitate the purchase procedure.

In addition, a device connected to the server through expensive communication means (for example, cellular communication, etc.) among other devices that receive the service purchase information CPRI may acquire a service through the following process. Here, the content is described as an example of the service, but this is only an example for convenience and the present invention is not limited thereto.

First, a device to obtain a service determines whether a service purchase request based on previously received service purchase information (CPRI) has been input. If a service purchase request is input, content is obtained from a server by performing a payment operation. On the other hand, if a service purchase request is not entered, the process ends.

4 is a block diagram showing a service purchase system 400 using an RF-ID tag according to an embodiment of the present invention. The service purchase system 400 using the RF-ID tag of the present invention is an RF-ID. The interface unit 410, an input unit 420, a control unit 430, a service purchase information processing unit 440, a storage unit 450, a service reproducing unit 460, and a transceiver 470 are included.

The RF-ID interface unit 410 receives a signal transmitted from an RF-ID tag or transmits a transmission request signal for tag data stored in the tag under the control of the controller 430. To this end, the RF-ID interface unit 410 may include an antenna, a modulation and demodulation circuit.

In addition, the input unit 420 receives a predetermined command from the user, and serves to transmit the received predetermined command to the control unit 430. The user can input various commands by pressing various buttons provided on the portable device main body or inputting a voice signal. Specifically, a reading command, a payment command, a service reproducing command, or the like for the RF-ID tag can be input.

Meanwhile, when a reading command is input through the input unit 420, the controller 430 controls the RF-ID interface unit 410 to transmit a transmission request signal for tag data stored in a tag, and the tag data is a service. In the case of purchase information, the service purchase information is transmitted to the service purchase information processing unit 440. When a payment command is input through the input unit 420, the controller 430 performs a payment operation for a service provided by the server through the transceiver 470, and receives service data from the transceiver 470 to reproduce the service. The unit 460 processes the file to be reproduced, and outputs the processed service data to the service reproducing unit 460. The controller 430 may read and drive the service purchase information processing module from the storage 450.

In addition, the service purchase information processing unit 440 receives the service purchase information from the control unit 430, drives a service purchase information processing module to authenticate the validity of the service purchase information, and validates the service purchase information that has been validated. It serves to output to the storage unit 450.

Meanwhile, the storage unit 450 receives and stores valid service purchase information from the service purchase information processing unit 440, and provides the stored service purchase information to the controller 430 under the control of the controller 430. The service purchase information processing module stores the service purchase information processing module and updates the stored service purchase information processing module under the control of the service purchase information processing unit 440 or the control unit 430.

In addition, the service reproducing unit 460 receives and reproduces service data (for example, content, etc.) processed by the control unit 430 and plays a role of outputting audio and video that can be viewed by a user. Here, the service reproducing unit 460 may display the fact to the user when the validity of the service purchase information is problematic.

On the other hand, the transceiver 470, under the control of the control unit 430, transmits the payment data according to the payment command to the service providing server, receives the service data from the service providing server and delivers to the control unit 430 Do it.

FIG. 5 is a block diagram illustrating an RF-ID tag 500 according to an embodiment of the present invention. The RF-ID tag 500 of the present invention includes a receiver 510, a tag controller 520, and a storage unit. 530 and a transmitter 540.

The receiver 510 receives a service purchase information request signal transmitted from an external reader and transmits the received service purchase information request signal to the tag controller 520. Here, the receiver 510 may be implemented as an antenna coil. Accordingly, when the electromagnetic wave is received from the external reader, the induced current may be generated and supplied to the tag controller 520.

In addition, when the tag control unit 520 receives the service purchase information request signal through the receiver 510, the tag control unit 520 receives the service purchase information from the storage unit 530 and transmits the service purchase information to the transmitter 540.

The storage unit 530 stores the service purchase information and provides the stored service purchase information to the tag control unit 520 under the control of the tag control unit 520. Here, the detailed description of the service purchase information (CPRI) has already been described with reference to FIG. 1 and will be omitted for convenience.

In addition, the transmitter 540 receives the service purchase information from the tag control unit 520 and transmits the input service purchase information to an external reader.

6 is a signal flow diagram illustrating a service purchase method using an RF-ID tag according to the present invention. The method of the present invention will be described in detail with reference to FIGS. 1 to 6 as follows.

First, the RF-ID tag 500 receives the service purchase information CPRI in response to a request of the RF-ID reader function-containing device 400 which is a service purchase system using the RF-ID tag. 400 and transmits (S610).

Thereafter, the service purchase information processing unit 440 in the device 400 including the RFID reader function checks the validity of the service purchase information CPRI (S620).

Thereafter, the controller 430 in the apparatus 400 including the RFID reader function determines whether a service purchase request is input from the user of the RFID reader via the input unit 420 (S630).

If the service purchase request is input through the input unit 420, the control unit 430 in the apparatus 400 including the RDF-ID reader function performs the payment operation according to the service purchase information CPRI and the user's selection. Then, the payment data is transmitted to the server 600 (S640).

Thereafter, the server 600 transmits the service to the apparatus 400 with the RFID reader function in response to the payment data (S650).

7 is a signal flow diagram illustrating a service purchase method using an RF-ID tag according to the present invention. The method of the present invention will be described in detail with reference to FIGS. 1 to 5 and 7 as follows.

First, the RF-ID tag 500 receives the service purchase information CPRI according to a request of the RF-ID reader function-containing device 400, which is a service purchase system using the RF-ID tag. 400) (S710).

Subsequently, the service purchase information processing unit 440 in the apparatus 400 including the RFID reader function checks the validity of the service purchase information CPRI (S720).

Thereafter, the service purchase information processing unit 440 in the apparatus 400 including the RF-ID reader function stores the service purchase information CPRI whose validity is authenticated in the storage unit 450 in the RF-ID reader storage unit. (S730).

Thereafter, the controller 430 in the apparatus 400 with the RFID reader function determines whether a service purchase request has been input from the user of the RFID reader via the input unit 420 (S740).

If the service purchase request is input through the input unit 420, the control unit 430 in the device 400 including the RDF-ID reader function may receive the service purchase information CPRI and the user provided from the storage unit 450. The payment operation is performed according to the selection of, and the payment data is transmitted to the server 600 (S750).

Thereafter, the server 600 transmits the service to the apparatus 400 with the RFID reader function in response to the payment data (S760).

8 is a signal flow diagram illustrating a service purchase method using an RF-ID tag according to the present invention. Referring to FIGS. 1 to 5 and 8, the method of the present invention will be described in detail as follows.

First, the device 400 with the RDF-ID reader function acquires the service purchase information CPRI from the RDF-ID tag 500 through the RF-ID interface unit 410 (S810).

Thereafter, the service purchase information processing unit 440 in the apparatus 400 including the RFID reader function authenticates the validity of the service purchase information CPRI acquired from the RFID tag 500 (S820).

Thereafter, the service purchase information processing unit 440 in the apparatus 400 including the RF-ID reader function stores the service purchase information CPRI whose validity is authenticated in the storage unit 450 in the RF-ID reader storage unit. (S830).

Subsequently, the apparatus 400 with the RDF-ID reader function does not include the first RF-ID reader function through the transceiver 470 through the service purchase information CPRI whose validity has been previously stored in the storage 450. Transfer to device 800 (S840). Here, the device 800 with / without the first RF-ID reader function mainly includes all devices that do not have the RF-ID processing function but can communicate with the server to purchase a service (for example, a desktop computer equipped with a communication function). Etc.), but are not limited to this, and may be any device capable of mounting the RF-ID processing function such as a mobile phone, a PDA, a notebook computer, and the like. In particular, the device 800 with / without the first RDF-ID reader function may be a device connected to the server 600 by low-cost communication means (for example, high-speed wired Internet, etc.). Here, the content is described as an example of the service, but this is only an example for convenience and the present invention is not limited thereto. The service may include a paid service such as a movie ticket.

Thereafter, the device 800 including the first RF-ID reader function that has received the service purchase information CPRI sends demo content data to the server 600 side using the service purchase information CPRI. Request (S850).

Thereafter, the server 600 transmits the demo content data to the device 800 with the first RF-ID reader function according to the request of the device with the first RF-ID reader function 800 (S852).

After that, the device 800 with the first RDF-ID reader function reproduces the demo content data received from the server 600 through the service reproducing unit 460 so that the user can determine whether to purchase or not (S854). .

If the user decides to purchase the content (S856), the device 800 including the first RDF-ID reader function requests authority and payment information (Right and Purchase Info) from the server 600 (S858). On the other hand, if the user decides not to purchase the content, the process ends.

Thereafter, the device 800 with the first RDF-ID reader function receives the authority and payment information (Right and Purchase Info) from the server 600 (S860), and the authority and payment information (Right and Purchase Info). A payment operation is performed by referring to S862.

Finally, the first RF-ID reader function-containing device 800 receives the desired content from the server 600 as the payment operation is completed (S864).

9 is a signal flow diagram illustrating a service purchase method using an RF-ID tag according to the present invention. Hereinafter, the method of the present invention will be described in detail with reference to FIGS. 1 to 5 and 9.

First, the device 400 with the RDF-ID reader function acquires the service purchase information CPRI from the RDF-ID tag 500 through the RF-ID interface unit 410 (S910).

Thereafter, the service purchase information processing unit 440 in the apparatus 400 including the RFID reader function authenticates the validity of the service purchase information CPRI acquired from the RFID tag 500 (S920).

Thereafter, the service purchase information processing unit 440 in the apparatus 400 including the RF-ID reader function stores the service purchase information CPRI whose validity is authenticated in the storage unit 450 in the RF-ID reader storage unit. (S930).

Subsequently, the device 400 with the RDF-ID reader function does not include the second RF-ID reader function through the transceiver 470 through the service purchase information CPRI whose validity has been previously stored in the storage 450. Transfer to device 900 (S940). Here, the device 900 with / without the second RDF-ID reader function does not mainly have the RF-ID processing function, but any device that can purchase a service by communicating with a server (for example, a desktop computer equipped with a communication function). Etc.), but are not limited to this, and may be any device capable of mounting the RF-ID processing function such as a mobile phone, a PDA, a notebook computer, and the like. In particular, the device 900 with / without the second RF-ID reader function may be a device connected to the server 600 by expensive communication means (for example, cellular communication).

First, a user of the device 900 with / without the second RDF-ID reader function who wants to acquire a service purchases the service by the service purchase information CPRI previously received from the device with the RDF-ID reader function 400. Determine (S950).

If the user of the device 900 with / without the second RDF-ID reader function determines to purchase a service, content is obtained from the server 600 by performing a payment operation (S960) (S970). On the other hand, if a service purchase request is not entered, the process ends. Here, the content is described as an example of the service, but this is only an example for convenience and the present invention is not limited thereto. The service may include a paid service such as a movie ticket.

While the above has been shown and described with respect to preferred embodiments of the present invention, the present invention is not limited to the above-described certain embodiments, it is usually in the art to which the invention belongs without departing from the spirit of the invention claimed in the claims. Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

1 is a flowchart illustrating a service purchase method using an RDF-ID tag according to an embodiment of the present invention;

2 is a flowchart illustrating a service purchase method using an RDF-ID tag according to another embodiment of the present invention;

3 is a flowchart illustrating a service purchase method using an RDF-ID tag according to another embodiment of the present invention;

4 is a block diagram showing a service purchase system using an RF-ID tag according to an embodiment of the present invention;

5 is a block diagram showing an RF-ID tag according to an embodiment of the present invention, and

6 to 9 are signal flowcharts illustrating a service purchase method using the RF-ID tag according to the present invention.

Explanation of symbols on the main parts of the drawings

410: RF-ID interface unit 420: input unit

430 control unit 440 service purchase information processing unit

450: storage unit 460: service playback unit

470: transceiver

Claims (18)

An RF-ID interface unit for receiving service purchase information from an RF-ID tag; A service purchase information processing unit which authenticates validity of the service purchase information; And, And a controller configured to receive a service corresponding to the service purchase information from a server corresponding to the service purchase information for which the validity is verified. And the service purchase information processing unit obtains signature information from the received service purchase information and checks whether the signature information has been tampered with using a pre-stored certificate. The method of claim 1, Further comprising: a transceiver for transmitting and receiving data with the server; The control unit, the service purchase system, characterized in that the service is provided by performing a payment operation to the server through the transceiver. The method of claim 1, And a storage unit for storing the service purchase information authenticated by the service purchase information processing unit. The method of claim 3, Further comprising: a transceiver for transmitting and receiving data with an external device, And the control unit transmits the service purchase information stored in the storage unit to the external device through the transceiver, so that the external device can perform a payment operation on the server. The method of claim 1, And a service reproducing unit for reproducing and outputting the provided service, and displaying an authentication failure when the authentication for the service purchase information fails. The method of claim 1, And an input unit for receiving a reading command for the RF-ID tag, a payment command for the service, and a reproducing command. delete The method according to any one of claims 1 to 6, The service purchase information, And at least one of information indicating a service characteristic, information indicating a right to a service, information indicating a payment method, and authentication information ensuring the validity of the service purchase information itself. Receiving unit; A transmitter; A storage unit storing service purchase information for validity authentication and service use; And, When the service purchase information request signal is received through the receiving unit, the tag control unit for transmitting the service purchase information to the RF-ID reader through the transmitting unit, so that the validity authentication and service purchase can be made in the RF-ID reader; RF-ID tag containing. 10. The method of claim 9, The service purchase information, And at least one of information indicating service characteristics, information indicating authority for a service, information indicating a payment method, and authentication information for ensuring the validity of the service purchase information itself. In the service purchase method using an RF-ID reader, Authenticating, at the RF-ID reader, validity of service purchase information provided from an RF-ID tag; And, And receiving, by the RF-ID reader, a service corresponding to the service purchase information from a server corresponding to the service purchase information for which the validity is authenticated. Validating the service purchase information, Obtaining signature information from the provided service purchase information and confirming whether the signature information is tampered with using a pre-stored certificate. The method of claim 11, Requesting the service purchase information with respect to the RF-ID tag, and detecting the service purchase information from the RF signal received from the RF-ID tag. The method of claim 11, The step of receiving the service, And receiving the service by performing a payment operation on the server. The method of claim 11, And storing the service purchase information of which the validity is authenticated. The method of claim 14, And transmitting the stored service purchase information to an external device, so that the external device can perform a payment operation for the server. The method of claim 11, And if the authentication for the service purchase information fails, displaying the authentication failure. delete The method according to any one of claims 11 to 16, The service purchase information, And at least one of information indicating a service characteristic, information indicating a right to a service, information indicating a payment method, and authentication information to guarantee the validity of the service purchase information itself.

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