KR20070052092A - System and method for preventing forgery of rfid tag - Google Patents

Abstract

The present invention relates to a system and method for preventing forgery of an RFID tag such that only an authenticated RFID reader can receive a tag unique code value of the RFID tag.

The system of the present invention comprises: an RFID reader for storing a RFID reader authentication password value for receiving a tag unique code value of an RFID tag and transmitting the password value to the RFID tag; An RFID tag storing a password value and a tag unique code value for the RFID reader authentication and transmitting the tag unique code value to the RFID reader when the password value received from the RFID reader and the password value stored therein match; There are technical features to include.

Description

System and Method for Preventing Forgery of RFID Tag

1 is a network diagram for explaining the present invention,

2 is a configuration diagram of an RFID tag according to an embodiment of the present invention;

3 is a configuration diagram of an RFID reader according to an embodiment of the present invention;

4 is a configuration diagram of an authentication server according to an embodiment of the present invention;

5 is a flowchart illustrating an RFID reader authentication process according to an embodiment of the present invention;

6 is a flowchart illustrating an RFID reader authentication process according to another embodiment of the present invention;

7 is a flowchart illustrating a process of acquiring product information of an RFID reader according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: RFID Tag 200: RFID Reader

300: authentication server 400: product information server

The present invention relates to a system and method for preventing forgery of an RFID tag, wherein only an authenticated RFID reader receives a tag unique code value of the RFID tag, and the RFID reader transmits product information on the tag unique code value to a server on a network. The present invention relates to a system and method for preventing forgery and tampering of an RFID tag, and for preventing a forgery of an RFID tag so that a consumer can check the authenticity and origin information of a corresponding article.

The RFID system, which is expected to be the technol- ogy of the future ubiquitous era, is a wireless recognition system.It has superior remote recognition and superior permeability compared to the existing wireless recognition system. The field of application is also very diverse.

Currently, standards for RFID tags vary according to frequency bands, and many security algorithms are applied in the standards related to smart tags of 13.56 MHz. Philips Manipair and Sony's Pelican are two technologies that use a protocol that greatly enhances security.

On the other hand, the RFID of 900MHz band using UHF band is ISO 18000-6D, but EPC Global's standard technology is the standard for item management such as logistics distribution, and the reader adopting the protocol can read and re-encode the code value. There is a problem that forgery / modulation is easy because it can be.

In addition, there is a problem that the consumer is not reliable with respect to whether or not the origin and the information on the tag attached to the forgery / forgery easily.

Accordingly, the present invention is to solve the above disadvantages and problems of the prior art, to prevent the forgery / tampering of the RFID tag through security / authentication through the network, to ensure that the product can be safely identified, It is an object of the present invention to provide a system and method for preventing forgery of an RFID tag that enables the authenticity and origin information of the article to be trusted.

An object of the present invention is an IC chip for storing a unique code value of a tag and a password value for reader authentication; An antenna for communicating with an RFID reader; And determining whether the password value received from the RFID reader and the password value stored in the IC chip are matched through the antenna, and if so, the unique code value of the tag stored in the IC chip to the RFID reader through the antenna. A reader authentication unit for transmitting; It is achieved by an RFID tag that includes.

In addition, the object of the present invention is an antenna for communication with the RFID tag; A memory for storing a RFID reader authentication password value for receiving a tag unique code value of the RFID tag; When a password value stored in the memory is transmitted to the RFID tag through the antenna, and a signal including the tag unique code value is transmitted from the RFID tag that authenticates the RFID reader using the transmitted password value, A tag information reading unit which reads a unique code value of the tag from a transmitted signal; It is achieved by an RFID reader comprising a.

In addition, the object of the present invention is an antenna for communication with the RFID tag attached to a specific product; A tag information reading unit that reads a tag unique code value from a signal generated from an RFID tag through the antenna; An output unit for outputting information of the product to which the RFID tag is attached based on the tag unique code value; A communication unit for communicating with an authentication server on a network that provides product information with a corresponding RFID tag based on the tag unique code value; A product information acquisition unit which transmits the read tag unique code value to the authentication server through the communication unit and outputs the corresponding product information on a tag unique code value through the output unit when the corresponding product information about the tag unique code value is received from the authentication server; It is achieved by an RFID reader comprising a.

In addition, the above object of the present invention and the communication unit for communication with the RFID reader; A reader database for storing reader ID information and password values for the plurality of RFID readers; Reader authentication unit for authenticating the RFID reader by using the reader ID information received from a specific RFID reader and the information of the reader database, and if the authentication is successful, the reader authentication unit for transmitting a password value to the authenticated RFID reader through the communication unit ; It is achieved by the authentication server on the network comprising a.

In addition, the object of the present invention is the step A-1 of the RFID reader transmits the password value stored in the internal memory to the RFID tag; The RFID tag determines whether the password value stored in the internal IC chip matches the password value received from the RFID reader, and if the password value matches, the unique code value of the tag embedded in the IC chip is determined. A-2 step of transmitting to; It is achieved by a method for preventing forgery of an RFID tag comprising a.

In addition, the above object of the present invention is an authentication server on a network in which an RFID reader reads a tag unique code value from an RFID tag attached to a specific product, and provides the tag unique code value with product information for each RFID tag unique code value. A-1 step of transmitting to; A second step of the authentication server transmitting the product information on the tag unique code value to the RFID reader; A-3 step of the RFID reader outputs the product information received from the authentication server; It is achieved by a method for preventing forgery of an RFID tag comprising a.

Details of the above object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood from the following detailed description based on the accompanying drawings.

First, Figure 1 is a network configuration for explaining the present invention.

As shown in FIG. 1, a system for preventing forgery of an RFID tag according to the present invention includes an RFID tag 100 having a unique code value of a tag and an RFID reader for reading a tag unique code value of the RFID tag 100. 200), an authentication server 300 for communicating with the RFID reader 200 through a wired / wireless network to perform RFID reader authentication, password provision, product information, and the like, to the tag unique code value. It includes a product information server 400 for providing product information for.

In the present invention, the RFID tag 100 transmits its own unique code value only to the authenticated RFID reader 200, and for this purpose, stores separate password information for authentication of the RFID reader 200, and the RFID The reader 200 transmits a password to the RFID tag 100 to determine whether the RFID tag 100 matches a password received from the reader 200 to authenticate the reader 200, and authenticates The unique code value is transmitted to the reader 200.

The RFID reader 200 may access the authentication server 300 through a wired / wireless network and obtain a password for the authentication from the authentication server 300 at boot time. At this time, the RFID reader 200 transmits its ID to the authentication server 300, the authentication server 300 authenticates the reader 200 through the received ID, and the password to the authenticated reader 200 Send it.

Accordingly, the RFID reader 200 has password information only when it is authenticated by the authentication server 300, and the RFID tag 100 transmits a tag unique code value only to a valid RFID reader 200 having a password. .

In addition, in the present invention, the RFID reader 200 uses a RFID tag 100 so that a consumer can check information about authenticity of a product, and the like, and a tag unique code value read from the RFID tag 100. Encrypt and transmit it to the authentication server 300, and the authentication server 300 obtains product information (image, manufacturer information, country of origin information, product serial number information, etc.) for the corresponding code value from the product information server 400; Transmit to the RFID reader 200. In addition, the RFID reader 200 outputs the product information received from the authentication server 300 through a screen, so that the consumer can have confidence in the product.

The configuration of the RFID tag 100, the RFID reader 200, and the authentication server 300 which are schematically described with reference to FIG. 1 will be described in more detail with reference to FIGS. 2 to 4 as follows.

2 is a configuration diagram of an RFID tag according to an embodiment of the present invention, FIG. 3 is a configuration diagram of an RFID reader according to an embodiment of the present invention, and FIG. 4 is a configuration diagram of an authentication server according to an embodiment of the present invention.

As illustrated in FIG. 2, the RFID tag 100 of the present invention generally includes, in addition to the antenna 120 for communication between the IC chip 110 and the RFID reader in which the tag unique code values constituting the tag are stored. The reader authentication unit 130 further includes.

The IC chip 110 stores the password for authenticating the reader using a password. The password is recorded on the IC chip 110 at the time of supply of the tag or at the time of encoding for input of the tag unique code, and the password information is assigned from the authentication server 300 or after having been previously recorded on the IC chip 110. It is registered with the authentication server 300.

The reader authentication unit 130 determines whether the password value received from the RFID reader 200 through the antenna 120 matches the password value stored in the IC chip 110, and if it matches, the IC chip ( The unique code value of the tag stored in the 110 is transmitted to the RFID reader 200 through the antenna 120.

Next, the RFID reader 200 of the present invention, as shown in Figure 3, the antenna 210 for communication with the RFID tag 100, the reader ID and / or the unique number (ESN), password value of the mobile communication module Memory 220 for storing the information, an output unit 230 for outputting the product information, and a communication unit 240 for communicating with the authentication server 300 on the network. Here, the communication unit 240 may be a wired communication means or a wireless communication means such as a mobile communication module.

The RFID reader 200 includes a password obtaining unit 250, a product information obtaining unit 270, an encryption unit 280, and a tag information reading unit 260 as a processor.

The password obtaining unit 250 transmits reader ID information stored in the memory 220 to the authentication server 300 and authenticates the RFID reader 200 using the reader ID. It receives the password value from the and stores in the memory 220.

Here, the reader ID may be a unique number (ESN) of the mobile communication module, and may be reader identification information that is separate from the unique number (ESN) of the mobile communication module. In addition, the reader ID and / or the unique number (ESN) of the mobile communication module may be encrypted in advance and stored in the memory 220, and the encryption unit before the RFID reader 200 transmits to the authentication server 300. 280 may be used for direct encryption.

On the other hand, in order to enhance security, the memory 220 may store both a reader ID for authenticating the authentication server 300 and a unique number (ESN) of the mobile communication module. In this case, the password obtaining unit 250 Receives the first authentication by transmitting the unique number (ESN) of the mobile communication module to the authentication server 300, if the first authentication is made, and transmits the reader ID to the authentication server 300 to perform a second authentication I can receive it. At this time, the order may be changed so that the first authentication may be performed by the reader ID, the second authentication may be performed by the unique number (ESN) of the mobile communication module, or both information may be transmitted in a batch.

Next, the tag information reading unit 260 transmits the password value stored in the memory 220 to the RFID tag 100 through the antenna 210 and uses the transmitted password value to read the RFID reader 200. When a signal including a tag unique code value is transmitted from the RFID tag 100 that has authenticated), the unique code value of the tag is read from the transmitted signal, and the encryption unit 280 The encryption is transmitted through the product information acquisition unit 270.

In this case, the tag information reading unit 260 directly extracts the product serial number information from the code value and outputs it through the output unit 230 before encrypting the tag unique code value. You can also compare the printed serial number to check the authenticity.

The product information acquisition unit 270 transmits the encrypted tag unique code value to the authentication server 300 through the communication unit 240, and the product information on the tag unique code value is transmitted from the authentication server 300. When it is received, it is output through the output unit 230.

Next, the authentication server 300 of the present invention, as shown in Figure 4, the communication unit 310 for communication with the RFID reader 200, the unique number (ESN) information of the reader ID / mobile communication module for reader authentication And a reader database 320 that stores password information, a reader authentication unit 330, a product information providing unit 340, and a decryption unit 350.

The reader authentication unit 330 authenticates the RFID reader 200 using the reader ID information received from the specific RFID reader 200 and the information of the reader database 320, and if the authentication is successful, the reader authentication unit 330 It is responsible for transmitting the password value to the RFID reader 200 authenticated through the communication unit 310.

In this case, when an encrypted reader ID received from the RFID reader 200 or an unique number (ESN) of the encrypted mobile communication module is received, the decryption unit 350 decrypts the encrypted information to verify the reader authentication unit 330. To provide.

When the product information providing unit 340 receives a tag unique code value of a specific RFID tag 100 from the RFID reader 200, the product information providing unit 340 provides a product information server 400 that provides product information on the corresponding tag unique code value. Obtain product information and transmit it to the RFID reader 200. If the tag unique code value is received after being encrypted, it is decrypted through the decryption unit 350.

The method for preventing RFID tag forgery in the above-described system of the present invention will be described sequentially with reference to FIGS. 5 to 7.

First, FIG. 5 is a flowchart illustrating an RFID reader authentication process according to an embodiment of the present invention, and FIG. 6 is a flowchart illustrating an RFID reader authentication process according to another embodiment of the present invention.

As shown in FIG. 5, the RFID reader 200 transmits the encrypted reader ID to the authentication server 300 on the network at step S102. Then, the authentication server 300 decrypts the encrypted reader ID again and compares it with the reader ID information stored in the reader database 320 to authenticate it (S103).

If the RFID reader stores an unencrypted reader ID, the RFID reader may be encrypted and transmitted, or may transmit the reader ID in an unencrypted state. In the latter case, the authentication server 300 will omit the decryption process and authenticate.

Next, if it is authenticated that the reader has a legitimate right, the RFID reader 200 transmits a password value to the RFID reader 200 to read the code value of the RFID tag 100 having the read authority. (S104).

In this way, the RFID reader 200 having obtained the password value stores the corresponding password value in the internal memory 220 (S105), and subsequently reads the RFID unique value of the RFID tag 100 into the RFID tag 100. The stored password value is transmitted, and the RFID tag 100 transmits its own tag unique code value to the RFID reader 200 when the password values match.

Next, FIG. 6 illustrates an embodiment in which the RFID reader 200 communicates with the authentication server 300 using the mobile communication module, and the RFID reader 200 identifies the unique number (ESN) and ID of the mobile communication module. Authenticate using

That is, the RFID reader 200 transmits the ESN of its mobile communication module to the authentication server 300 at boot (S201), and the authentication server 300 stores the ESN information stored in the reader database 320. The first authentication is determined by determining whether the received ESN coincides with the received ESN (S203). When the first authentication is successfully performed, the reader ID is requested to the RFID reader 200 (S204).

Accordingly, when the RFID reader 200 transmits the encrypted reader ID to the authentication server 300 (S205), the authentication server 300 performs second authentication using the decrypted reader ID (S206) and the authentication is performed. If successful, the password value is transmitted to the RFID reader 200 (S207). Upon receiving the password value, the RFID reader 200 stores the password value in the memory 220 (S208).

The ESN information and the reader ID are matched and stored in the reader database 320, and the authentication server 300 should determine whether the leader ID matched with the ESN matches the received leader ID during the second authentication.

Meanwhile, in the drawing, although the first authentication is performed by the ESN and the second authentication is performed by the reader ID, the order may be changed or may be simultaneously performed, and the ESN information is also encrypted and transmitted, and the authentication server 300 does this. You can also decrypt and authenticate.

Next, FIG. 7 is a flowchart illustrating a process of acquiring product information of an RFID reader according to an embodiment of the present invention.

As shown in FIG. 5, the RFID reader 200 storing the password value by the process as shown in FIG. 5 or 6 may read the stored password value into the tag 100 to read the tag unique code value of the RFID tag 100. It transmits (S301).

The RFID tag 100 determines whether the password value stored in the RFID tag and the password value received from the RFID reader 200 match (S302), and if the RFID tag 100 matches, the RFID tag 100 recorded in the IC chip 110 of the RFID tag 100. The tag unique code value is transmitted to the RFID reader 200 (S303).

The RFID reader 200 receiving the tag unique code value compares the product unique number in the product with the number extracted from the tag to check the authenticity of the product from the tag unique code value (serial number). Extract and store and / or output (S304).

At this time, the RFID reader 200 extracts and stores the product unique number in step S304, and then outputs the stored product unique number together in the product information display step S311, which will be described later. You can also extract the number and print it out immediately. And, when the RFID reader 200 directly extracts the product unique number, in step S309 to be described later, the product information server 400 only the product information except the product unique number to the RFID reader 200 through the authentication server 300 You may deliver it.

In addition, the step S304 may be omitted, in this case, in step S309 to be described later, the product information server 400 must deliver the product information including the product unique number to the RFID reader 200 through the authentication server 300. something to do.

Next, the RFID reader 200 encrypts the tag unique code value (S305) and transmits it to the authentication server 300 (S306), and the authentication server 300 decrypts it (S307) to the product information server 400. Request the corresponding product information by transmitting to (S308).

The product information server 400 transmits detailed information (image, manufacturer, country of origin, product unique number, etc.) of the product for the corresponding tag unique code value to the authentication server 300 (S309), and the authentication server 300. The received product information is transmitted to the RFID reader 200 (S310).

The RFID reader 200 displays the received product information on a screen, etc. (S311), so that the consumer can check the product information.

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above should be understood as illustrative and not restrictive in all aspects. Should be. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

Therefore, according to the system and method for preventing forgery of the RFID tag of the present invention, only the authorized RFID reader can read the information of the tag, and the RFID reader provides the information about the unique code value of the tag to the authentication server on the network. By bringing in, not only the tampering / modulation of the RFID tag by any reader can be prevented, the product can be safely identified, and the consumer can trust the authenticity and origin information of the article.

Claims (47)

An IC chip for storing a unique code value of a tag and a password value for reader authentication; An antenna for communicating with an RFID reader; And It is determined whether the password value received from the RFID reader and the password value stored in the IC chip are matched through the antenna, and if they match, the unique code value of the tag stored in the IC chip is transmitted to the RFID reader through the antenna. A leader authentication unit; RFID tag for preventing the forgery of the RFID tag, comprising a. An antenna for communicating with an RFID tag; A memory for storing a RFID reader authentication password value for receiving a tag unique code value of the RFID tag; When a password value stored in the memory is transmitted to the RFID tag through the antenna, and a signal including the tag unique code value is transmitted from the RFID tag that authenticates the RFID reader using the transmitted password value, A tag information reading unit which reads a unique code value of the tag from a transmitted signal; RFID reader for preventing forgery of the RFID tag, comprising a. The method of claim 2, The ID information of the RFID reader is stored in the memory, The RFID reader, A communication unit for communicating with an authentication server on a network for providing a password value to an authenticated RFID reader; A password obtaining unit which transmits the reader ID information stored in the memory to the authentication server through the communication unit, and receives the password value from the authentication server that authenticates the RFID reader using the reader ID and stores the password value in the memory; RFID reader for preventing the forgery of the RFID tag further comprises. The method of claim 3, The communication unit is a mobile communication module, The reader ID is an RFID reader for preventing forgery of an RFID tag, characterized in that the unique number (ESN) of the mobile communication module. The method according to claim 3 or 4, The memory stores an encrypted reader ID, The password obtaining unit RFID reader for preventing the forgery of the RFID tag, characterized in that for transmitting the encrypted reader ID to the authentication server. The method according to claim 3 or 4, The RFID reader, Further comprising an encryption unit for encrypting the reader ID, The password obtaining unit, RFID reader for preventing the forgery of the RFID tag, characterized in that for transmitting the encryption ID through the encryption unit to the authentication server. The method of claim 3, The communication unit is a mobile communication module, The memory stores the unique number (ESN) of the mobile communication module and a separate reader ID, The password obtaining unit, Sends the unique number (ESN) and the reader ID of the mobile communication module to the authentication server, and receives the password value from the authentication server that authenticates the RFID reader using the unique number and reader ID of the mobile communication module. RFID reader for preventing forgery of an RFID tag, characterized in that stored in the memory. The method of claim 3, The communication unit is a mobile communication module, The memory stores the unique number (ESN) of the mobile communication module and a separate reader ID, The password obtaining unit, Transmitting the unique number (ESN) of the mobile communication module to the authentication server, and when the primary authentication using the unique number of the mobile communication module is performed by the authentication server, transmitting the reader ID to the authentication server, RFID reader for preventing the forgery of the RFID tag, characterized in that for receiving the password value from the authentication server for the second authentication of the RFID reader using the reader ID and stored in the memory. The method according to claim 7 or 8, The memory stores the encrypted reader ID and the unique number (ESN) of the encrypted mobile communication module, The password obtaining unit, the RFID reader for preventing the forgery of the RFID tag, characterized in that for transmitting the encrypted reader ID and the unique number (ESN) of the encrypted mobile communication module to the authentication server. The method of claim 9, The RFID reader, Further comprising an encryption unit for encrypting the reader ID and the unique number (ESN) of the mobile communication module, The password obtaining unit encrypts the reader ID stored in the memory and the unique number of the mobile communication module through the encryption unit and transmits the encrypted RFID tag to the authentication server. An antenna for communicating with an RFID tag attached to a specific product; A tag information reading unit that reads a tag unique code value from a signal generated from an RFID tag through the antenna; An output unit for outputting information of the product to which the RFID tag is attached based on the tag unique code value; A communication unit for communicating with an authentication server on a network that provides product information with a corresponding RFID tag based on the tag unique code value; A product information acquisition unit which transmits the read tag unique code value to the authentication server through the communication unit and outputs the corresponding product information on a tag unique code value through the output unit when the corresponding product information about the tag unique code value is received from the authentication server; RFID reader for preventing forgery of the RFID tag, comprising a. The method of claim 11, The tag information reading unit, RFID reader for preventing the forgery of the RFID tag, characterized in that for extracting the serial number information of the product from the read unique tag value and output through the output unit. The method according to claim 11 or 12, wherein The RFID reader, Further comprising an encryption unit for encrypting the tag unique code value, And the product information obtaining unit encrypts the read tag unique code value through the encryption unit and transmits the encrypted tag unique code value to the authentication server. A communication unit for communicating with an RFID reader; A reader database for storing reader ID information and password values for the plurality of RFID readers; Reader authentication unit for authenticating the RFID reader by using the reader ID information received from a specific RFID reader and the information of the reader database, and if the authentication is successful, the reader authentication unit for transmitting a password value to the authenticated RFID reader through the communication unit ; Authentication server on the network for preventing the forgery of the RFID tag comprising a. The method of claim 14, The authentication server, A decryption unit to decrypt an encrypted reader ID received from the RFID reader and provide the decrypted reader ID to the reader authentication unit; Authentication server on the network for preventing the forgery of the RFID tag further comprises. The method according to claim 14 or 15, And a reader ID stored in the reader database is the mobile communication module unique number (ESN) of the RFID reader having a mobile communication module. The method of claim 14, The reader database stores the unique number (ESN) information and the separate reader ID information of the mobile communication module for the plurality of RFID readers having the mobile communication module. The reader authentication unit, RFID reader for preventing forgery of an RFID tag, characterized in that the RFID reader is authenticated using the unique number (ESN) information, the reader ID information, and the information of the reader database received from the RFID reader. The method of claim 17, The reader authentication unit, Firstly authenticating the RFID reader using the unique number (ESN) of the mobile communication module received from the RFID reader, and requesting reader ID information from the RFID reader when the first authentication is successfully performed. And secondly authenticating the RFID reader using the received reader ID, and transmitting a password value to the RFID reader when the second authentication is successfully performed. The method of claim 17 or 18, The authentication server, A decryption unit for decrypting an encrypted reader ID received from the RFID reader and an unique number (ESN) of an encrypted mobile communication module, and providing the decrypted reader ID and the unique number (ESN) of the mobile communication module to the reader authentication unit; Authentication server on the network for preventing the forgery of the RFID tag further comprises. A product information server for storing product information on a plurality of products to which an RFID tag is attached with a tag unique code value of an RFID tag attached to a corresponding product; An authentication server for obtaining product information on a corresponding tag unique code value from the product information server and providing the RFID to the RFID reader when a tag unique code value of a specific RFID tag is received from an RFID reader; System for preventing the forgery of the RFID tag, comprising a. The method of claim 20, The authentication server, A communication unit for communicating with the RFID reader; When the tag unique code value of a specific RFID tag is received from the RFID reader, the tag unique code value is transmitted to the product information server to request product information, and the product information matched with the corresponding tag unique code value from the product information server. A product information providing unit for transmitting the received information to the RFID reader through the communication unit; System for preventing the forgery of the RFID tag, comprising a. The method of claim 21, The authentication server, A decrypting unit for decrypting an encrypted tag unique code value received from the RFID reader and transferring the decrypted tag unique code value to the product information providing unit; The system for preventing forgery of an RFID tag, further comprising. A system that allows only an authenticated RFID reader to receive a tag unique code value of an RFID tag. An RFID reader for storing a RFID reader authentication password value for receiving a tag unique code value of the RFID tag and transmitting the password value to the RFID tag; An RFID tag storing a password value and a tag unique code value for the RFID reader authentication and transmitting the tag unique code value to the RFID reader when the password value received from the RFID reader and the password value stored therein match; System for preventing the forgery of the RFID tag, comprising a. The method of claim 23, wherein The system, An authentication server on the network that receives the reader's ID information from the RFID reader, authenticates the reader and provides the password value to an authenticated RFID reader; More, The RFID reader, Storing the reader ID information in an internal memory, transmitting the reader ID information to the authentication server, and receiving the password value from the authentication server that authenticated the RFID reader using the reader ID and storing it in the memory. A system for preventing counterfeit of an RFID tag. The method of claim 24, The RFID reader includes a mobile communication module for communicating with the authentication server through a mobile communication network, wherein the reader ID is an unique number (ESN) of the mobile communication module. The method of claim 24, The RFID reader, And a mobile communication module for communicating with the authentication server through a mobile communication network, storing a unique number (ESN) and a separate reader ID information of the mobile communication module, and storing the unique number (ESN) of the mobile communication module. Transmits the reader ID to the authentication server when a reader ID is requested from the authentication server. The authentication server, Primary authentication using the unique number (ESN) of the mobile communication module received from the RFID reader, if the primary authentication is successful, request the reader ID to the RFID reader, the reader ID received from the RFID reader A system for preventing forgery of an RFID tag, characterized in that for transmitting the password value after the second authentication of the RFID reader. A system for allowing an RFID reader to obtain and output product information on a tag unique code value of an RFID tag from a server on a network, An authentication server for providing product information on the tag unique code value to the RFID reader when a tag unique code value of a specific RFID tag is received from the RFID reader; An RFID reader that reads a tag unique code value of an RFID tag attached to a specific product, sends it to the authentication server to request product information, and outputs product information received from the authentication server; System for preventing the forgery of the RFID tag, comprising a. The method of claim 27, The RFID reader, And a tag unique code value of the RFID tag attached to the specific product, and directly extracts and outputs serial number information of the product from the code value. The method of claim 27 or 28, The RFID reader encrypts the tag unique code value and transmits it to the authentication server. And the authentication server decrypts the encrypted tag unique code value and transmits product information on the code value to the RFID reader. A-1 step of the RFID reader to transmit the password value stored in the internal memory to the RFID tag; The RFID tag determines whether the password value stored in the internal IC chip matches the password value received from the RFID reader, and if the password value matches, the unique code value of the tag embedded in the IC chip is determined. A-2 step of transmitting to; Method for preventing the forgery of the RFID tag comprising a. The method of claim 30, Before step A-1, A step B-1 of transmitting, by the RFID reader, reader ID information stored in the internal memory to an authentication server on a network for providing a password value to an authenticated RFID reader; Step B-2 of the authentication server authenticating the RFID reader using the reader ID and transmitting a password value to the RFID reader if authentication is successful; Step B-3 of storing the password value received from the authentication server by the RFID reader in the internal memory; Method for preventing the forgery of the RFID tag comprising a. The method of claim 31, wherein In step B-1, And the RFID reader transmits the reader ID when booting is performed. 33. The method of claim 31 or 32, In step B-1, The RFID reader transmits an encrypted reader ID, In step B-2, And the authentication server decrypts the encrypted reader ID to perform authentication. The method of claim 33, wherein Step B-1, Encrypting, by the RFID reader, a reader ID stored in an internal memory; The RFID reader transmitting the encrypted reader ID; Method for preventing the forgery of the RFID tag comprising a. The method of claim 30, The RFID reader includes a mobile communication module for communicating with the authentication server through a mobile communication network, Before step A-1, Step B-1 of the RFID reader transmitting the unique number (ESN) information of the mobile communication module to the authentication server; Step B-2, wherein the authentication server first authenticates the RFID reader using the unique number (ESN) of the mobile communication module, and requests the reader ID from the RFID reader if authentication is successful; Step B-3 of the RFID reader transmitting the reader ID information stored in the internal memory; Step B-4 of the authentication server secondly authenticating the RFID reader using the reader ID, and if the authentication is successfully performed, transmits a password value to the first and second authenticated RFID readers; Step B-5 of storing the password value received from the authentication server by the RFID reader in the internal memory; Method for preventing the forgery of the RFID tag comprising a. 36. The method of claim 35 wherein In step B-1, When the RFID reader is booted, a method for preventing forgery of an RFID tag, characterized in that for transmitting unique number (ESN) information of the mobile communication module. The method of claim 35 or 36, In step B-1, The RFID reader transmits the unique number (ESN) information of the encrypted mobile communication module, In step B-2, And the authentication server decrypts an encrypted unique number (ESN) of the encrypted mobile communication module to perform primary authentication. The method of claim 37, Step B-1, Encrypting, by the RFID reader, unique number (ESN) information of a mobile communication module; Transmitting unique number (ESN) information of the encrypted mobile communication module; Method for preventing the forgery of the RFID tag, characterized in that made of. The method of claim 35 or 36, In step B-3, The RFID reader transmits an encrypted reader ID, In step B-4, And the authentication server decrypts the encrypted reader ID to perform secondary authentication. The method of claim 39, Step B-3, Encrypting, by the RFID reader, unique number (ESN) information of a mobile communication module; Transmitting unique number (ESN) information of the encrypted mobile communication module; Method for preventing the forgery of the RFID tag, characterized in that made of. The method of claim 30, After the step A-2, The RFID reader reads a tag unique code value from the RFID tag attached to a specific product and transmits the tag unique code value to an authentication server on a network providing product information for each RFID tag unique code value Step 1; Step C-2 of the authentication server transmitting the product information on the tag unique code value to the RFID reader; Step C-3 of the RFID reader outputting product information received from the authentication server; Method for preventing the forgery of the RFID tag comprising a. Step A-1, wherein the RFID reader reads a tag unique code value from an RFID tag attached to a specific product and transmits the tag unique code value to an authentication server on a network providing product information for each RFID tag unique code value. Wow; A second step of the authentication server transmitting the product information on the tag unique code value to the RFID reader; A-3 step of the RFID reader outputs the product information received from the authentication server; Method for preventing the forgery of the RFID tag comprising a. The method of claim 42, wherein Step A-1, Extracting, by the RFID reader, serial number information of a product from the tag unique code value and outputting the serial number information of the product through the output unit; Transmitting the tag unique code value to the authentication server; Method for preventing the forgery of the RFID tag comprising a. The method of claim 42, wherein Step A-1, Extracting and storing serial number information of a product from the tag unique code value read by the RFID reader; Transmitting the tag unique code value to the authentication server; Including; In step A-3, And the RFID reader outputs the product information received from the authentication server together with the stored product serial number information. The method of claim 42, wherein Step A-1, The RFID reader reading a tag unique code value from the RFID tag; Encrypting the read tag unique code value; Transmitting the encrypted RFID tag unique code value to the authentication server; Including; In step A-2, Decrypting, by the authentication server, the encrypted tag unique code value; Transmitting product information on the decrypted tag unique code value to the RFID reader; Method for preventing the forgery of the RFID tag, characterized in that made of. The method of claim 42, wherein In step A-2, Transmitting, by the authentication server, the tag unique code value to a product information server that matches and stores product information about a plurality of products with a tag unique code value of an RFID tag attached to the corresponding product; Sending, by the product information server, product information on the tag unique code value to the authentication server; Transmitting, by the authentication server, the received product information to the RFID reader; Method for preventing the forgery of the RFID tag comprising a. The method according to any one of claims 42 to 46, Before step A-1, Step B-1 of the RFID reader transmitting the password value stored in the internal memory to the RFID tag; The RFID tag determines whether the password value stored in the internal IC chip matches the password value received from the RFID reader, and if the password value matches, the unique code value of the tag embedded in the IC chip is determined. Step B-2 to transmit to; Method for preventing the forgery of the RFID tag comprising a.

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