KR20090092488A - Method for Accessing Dynamic Split RFID Memory, RFID Tag, RFID Terminal and Recording Medium - Google Patents

Abstract

A method for accessing dynamic division RFID memory to prevent a violation of privacy intrusion, an RFID tag, an RFID terminal and a recording medium are provided to store RFID code information and more than one forward/backward logistics activity information by dynamically dividing/reconstructing RFID tag memory. A memory area is divided into three areas. Second memory configuration information and third memory configuration information are stored in a first memory area. A fixed data code is stored In the second memory area(610). In the second memory area, a writing function is deactivated. In the third memory area, a variable data code is stored(625). A hash code corresponding to the stored variable data code as described above is generated(630). The generated hash code as described above is stored in the first memory area. After the fixed data code and hash code are connected, the connected code as described above is stored in the storage medium(635).

Description

Dynamically divided RFID access method, its RFID tag, and RFID terminal and recording medium therefor {Method for Accessing Dynamic Split RFID Memory, RFID Tag, RFID Terminal and Recording Medium}

The present invention is characterized by dividing the memory area into a first memory area for storing memory configuration information, a second memory area for storing fixed data codes, and a third memory area for storing variable data codes; Storing the second memory configuration information and the third memory configuration information in the memory area, storing the fixed data code in the second memory area, deactivating a write function, and storing the variable data code in the third memory area. Storing and generating a hash code corresponding to the stored variable data code in a first memory area; and storing the hash code in association with the fixed data code and the hash code in a storage medium. It's about the approach.

With the recent standardization of RFID (Radio Frequency Identification) standards, the logistics / distribution sector, which was managed through bar codes, is expected to be more precisely automated based on RFID tags and high-performance information processing systems.

However, the current standard for the information stored in the RFID tag is defined to comply with the Electronic Product Code (EPC) system or the ISO / IEC 15963 code system, wherein the RFID code system includes only an RFID code in one RFID tag memory. As it defines to store, it contains a difficult problem to manage forward logistics or reverse logistics through a single RFID tag.

In the future, when the RFID tag is activated, problems such as invasion of privacy due to the RFID tag may arise.

An object of the present invention for solving the above problems is divided into a first memory area for storing the memory configuration information, a second memory area for storing the fixed data code, and a third memory area for storing the variable data code, A memory unit for storing a hash code corresponding to a variable data code stored in the third memory area in the first memory area, a command for accessing the variable data code from an RFID terminal, and a variable data code stored in the third memory area; The receiver receives a corresponding hash code and compares the received hash code with a hash code stored in the first memory area, and if the hash code matches, the RFID terminal is connected to the third memory area. The present invention provides an RFID tag having a memory access controller for processing to access.

A memory access method included in an RFID tag according to the present invention includes a first memory area storing memory configuration information, a second memory area storing fixed data codes, and a third data storing variable data codes. Dividing into a memory area, storing second memory configuration information and third memory configuration information in the first memory area, storing fixed data codes in the second memory area, and deactivating a write function. Storing a variable data code in the third memory area, generating and storing a hash code corresponding to the stored variable data code in a first memory area, and linking the fixed data code and the hash code to a storage medium. Characterized in that it comprises a step of storing.

Memory access method provided in the RFID tag according to the present invention, when reading the variable data code stored in the third memory area, the step of identifying a fixed data code stored in the second memory area, and associated with the storage medium Checking a hash code associated with the fixed data code, checking whether a hash code stored in the first memory area matches the identified hash code, and if the hash code matches, the third memory And processing the variable data code stored in the area to be read.

The memory access method included in the RFID tag according to the present invention includes the steps of: checking the fixed data code stored in the second memory area when adding / updating and storing the variable data code stored in the third memory area; Identifying a hash code associated with the fixed data code in association with a storage medium, checking whether a hash code stored in the first memory area matches the identified hash code, and if the hash code matches, Adding / updating and storing the variable data code stored in the third memory area; generating and storing a hash code corresponding to the variable data code stored in the third memory area and storing the variable data code in the first memory area; And associating the data code with the hash code so as to be stored on the storage medium. The features.

The memory access method included in the RFID tag according to the present invention may further include dividing the memory area further including an Nth (N> = 4) memory area and Nth (N> = 4) in the first memory area. And storing the memory configuration information.

In the memory access method provided in the RFID tag according to the present invention, the memory configuration information, memory address information including one or more start address information and end address information of the memory area, and for authenticating the reconfiguration authority of the memory; And at least one memory reconfiguration authentication information.

In the memory access method included in the RFID tag according to the present invention, the memory configuration information may further include write deactivation information for the second memory area.

In the memory access method provided in the RFID tag according to the present invention, the fixed data code comprises an RFID code.

In the memory access method provided in the RFID tag according to the present invention, the variable data code is characterized in that it comprises one or more forward logistics activity information and one or more reverse logistics activity information.

On the other hand, it includes a computer-readable recording medium recording a program for executing a memory access method provided in the above-described RFID tag.

Meanwhile, an RFID tag according to the present invention is divided into a first memory area storing memory configuration information, a second memory area storing fixed data codes, and a third memory area storing variable data codes. A memory unit for storing a hash code corresponding to the variable data code stored in the third memory area in a first memory area, a command for accessing the variable data code from an RFID terminal, and a variable data code stored in the third memory area The receiving unit receives a hash code and compares the received hash code with a hash code stored in the first memory area, and if the hash code matches, the RFID terminal accesses the third memory area. And a memory access control unit for processing.

On the other hand, an RFID tag having a memory divided into a first memory area for storing memory configuration information, a second memory area for storing fixed data code, and a third memory area for storing variable data code, The RFID terminal for wireless communication includes a code transmitter for transmitting a fixed data code read from the RFID tag to an authentication server operating a storage medium for storing the fixed data code and the hash code corresponding to the variable data code. A code receiving unit which receives a hash code stored in a storage medium in association with the fixed data code from the authentication server, and an access right obtaining unit which transmits the hash code to the RFID tag to obtain an access right to the variable data code It is characterized by comprising.

On the other hand, an RFID tag having a memory divided into a first memory area for storing memory configuration information, a second memory area for storing fixed data code, and a third memory area for storing variable data code, The RFID terminal for wireless communication includes a code transmitter for transmitting a fixed data code read from the RFID tag to an authentication server operating a storage medium for storing the fixed data code and the hash code corresponding to the variable data code. A code receiver configured to receive a hash code stored in a storage medium in association with the fixed data code from the authentication server; and when the variable data code is read from the RFID tag, hash the read variable data code to generate a hash code. Compare the generated hash code with the received hash code to read the variable data code. And a code authentication unit for authenticating the validity of the card.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the present invention.

In addition, preferred embodiments of the present invention to be carried out below are provided in each system functional configuration to efficiently describe the technical components constituting the present invention, or system functions that are commonly provided in the technical field to which the present invention belongs. The configuration will be omitted, and described mainly on the functional configuration to be additionally provided for the present invention. If those skilled in the art to which the present invention pertains, it will be able to easily understand the function of the components that are conventionally used among the omitted functional configuration not shown below, and also the configuration omitted as described above The relationship between the elements and the components added for the present invention will also be clearly understood.

In addition, the following examples will be used to appropriately modify, integrate, or separate the terminology so that those skilled in the art to which the present invention pertains may clearly understand the present invention. The present invention is by no means limited thereto. In other words, each means constituting the present invention is a server (or terminal) provided on the system shown in the following embodiments, or a predetermined functional configuration provided in at least one or more servers (or terminals), or at least It may be an association of at least two or more functional components provided in one or more servers (or terminals). In addition, the server (or terminal) shown in the following embodiment is shown to include at least two or more functional components for achieving the technical features of the present invention for convenience, the functional component shown in the server (or terminal) Matched with the above-described means may be provided in two or more different servers (or terminals) according to the role and function of each functional component and the corresponding server (or terminal) operator (or operator), whereby the present invention is not limited No.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a diagram illustrating a functional configuration of an RFID tag 100 having a fixed data code and a variable data code according to an embodiment of the present invention.

In more detail, FIG. 1 is a method for implementing a functional configuration of an RFID tag 100 having a fixed data code and a variable data code in an RFID tag 100 conforming to at least one RFID standard. Those skilled in the art will be able to infer various implementation methods of the RFID tag 100 having the fixed data code and the variable data code by referring to and / or modifying the present invention. It includes all the inferred implementation method, and is not limited to the implementation method shown in FIG.

Referring to FIG. 1 according to an embodiment of the present invention, the RFID tag 100 having the fixed data code and the variable data code transmits and receives (or supplies an energy source (power source)) a radio frequency signal with an RFID reader in a frequency band. A memory configuration information area for storing one or more information (or data), a memory configuration information area for storing memory configuration information for the memory area, and a read-only memory for storing fixed data code information. A memory unit 120 which is dynamically partitioned and reconfigured into an area, a read / write memory area storing variable data code information, and a radio frequency signal received through the antenna unit 140 as a digital signal corresponding to an RFID communication protocol. A receiving unit 125 which is converted and provided to the control unit 105, a response signal corresponding to the digital signal received through the receiving unit 125, or A response signal dynamically generated by the fisherman 105 or a response signal corresponding to the response data extracted from the memory 120 is converted into a radio frequency signal corresponding to an RFID communication protocol and transmitted through the antenna unit 140. Controlling the overall function of the RFID tag 100 in response to the transmitter 130 and at least one or more RFID standards, and reading a digital signal received through the receiver 125 and generating a response signal corresponding thereto. Or a control unit 105 for extracting response data for generating the response signal from the memory unit 120 to control a unique function of the RFID tag 100.

In addition, when the RFID tag 100 is a passive type, the RFID tag 100 generates a power from the radio frequency signal received by the antenna unit 140 to supply the power supply unit 135 to the RFID tag 100 Characterized in that further comprises, if the RFID tag 100 is active, the RFID tag 100 is further provided with a battery unit (not shown) that accumulates power to be supplied to the RFID tag 100 Characterized in that made.

The antenna unit 140 is activated through a radio frequency signal transmitted from the RFID reader when the RFID tag 100 enters (or approaches a radio frequency field) of an RFID reader. A signal including a signal or information (or data) is received (or applied) to the receiving unit 125, or a signal containing a response signal or information (or data) to the RFID reader via the radio frequency signal Characterized in that to send.

According to an embodiment of the present invention, when the RFID tag 100 is a passive type, the antenna unit 140 receives energy (eg, an analog signal of radio frequency) included in a radio frequency signal transmitted from the RFID reader. By providing (or applying) to the power supply unit 135, it is characterized in that to supply the energy source (or power) required to operate the RFID tag 100.

In the case of the passive RFID tag 100, the power supply unit 135 generates a power corresponding to an energy field around the RFID reader using an analog signal of a radio frequency provided (or applied) through the antenna unit 140. It is characterized in that for supplying to the receiver 125, the transmitter 130 and the control unit 105 provided in the RFID tag 100, the power source 135 generates the power is a coil of the RFID reader It includes at least one or more of the magnetic coupling (Magnetic Coupling) using the magnetic field of the alternating current flowing in the flow, the electrostatic coupling (Electrostatic Coupling) using the electrostatic energy or the Inductive Coupling (Inductive Coupling) method using the induced energy.

If one of ordinary skill in the art to which the present invention pertains, the power supply unit 135 provided in the passive RFID tag 100 generates power from the radio frequency signal and supplies it to the RFID tag 100 Or, the battery unit provided in the active RFID tag 100 will be familiar with the technical features of supplying power to the RFID tag 100, a detailed description thereof will be omitted for convenience.

The receiver 125 is a demodulator for converting a radio frequency signal provided (or applied) through the antenna unit 140 into a digital signal, and is provided (or applied) through the antenna unit 140. Demodulating a frequency signal to receive a digital signal from the RFID reader including a command or data corresponding to at least one RFID communication protocol to provide to the control unit 105.

The antenna unit 130 transmits a response signal of the digital signal received through the receiver 125 or a digital signal generated or extracted (eg, extracted from the memory unit 120) in the RFID tag 100. A modulator converting into a radio frequency signal for transmission to the RFID reader through 140, when a digital signal is received through the receiver 125, corresponding to at least one predefined RFID communication protocol To generate a response signal corresponding to the response data to the RFID reader through the antenna unit 140 to generate a radio frequency signal, or dynamically generated in response to at least one RFID communication protocol by the controller 105 Response data (or the controller 105 from the memory unit 120 in response to at least one RFID communication protocol predefined) The extracted response data is generated as a radio frequency signal to transmit to the RFID reader through the antenna unit 140, and the generated radio frequency signal to the RFID reader through the antenna unit 140 It is characterized by providing.

Those skilled in the art to which the present invention pertains, preferred technical features of the receiver 125 having a radio frequency demodulation function and preferred technical features of the transmitter 130 having a radio frequency modulation function Since it may be familiar or easily inferred, the detailed description thereof will be omitted for convenience.

The memory unit 120 is a generic term for a nonvolatile memory device included in the RFID tag 100, and provides a read function by the controller 105 or a read / write function by the controller 105. When the memory provides only a read function by the controller 105, the memory includes a read only memory (ROM) memory element, and the memory is configured to perform a read / write function by the controller 105. If provided, it comprises a write once read many (WORM) or write many (WM) memory device.

Referring to the RFID related standard, the memory unit 120 may include one or more RFID code areas (eg, TID or EPC), a user data area, and one or more reserved areas.

According to the present invention, the memory unit 120 including the memory area includes a memory configuration information area for storing memory configuration information for the memory area, a read-only memory area for storing fixed data code information, and variable data. And dynamic partition reconfiguration to include at least one read / write memory area for storing code information.

The memory configuration information area preferably includes a memory area for storing memory configuration information of the memory area of the memory unit 120.

The memory configuration information may include memory address information including one or more start addresses and end addresses of the read-only memory area, or at least one start address and end address of the read / write memory area. It is preferable.

The memory configuration information may further include memory reconfiguration authentication information for authenticating a right to dynamically divide and reconfigure the memory area of the memory unit 120.

The memory configuration information may further include code identifier information for identifying a fixed data code system stored in the read-only memory area.

The memory configuration information may further include write deactivation information for activating only a read function for the read-only memory area and deactivating a write function.

The memory configuration information may further include last write address information in which variable data code information is stored on the read / write memory area.

The memory configuration information may further include memory address system information for storing variable data code information in the read / write memory area.

The memory address system information may include forward address system information for recording variable data code information from a lower memory address on the read / write memory area.

Alternatively, the memory address system information may include reverse address system information for recording variable data code information from a high memory address on the read / write memory area.

Alternatively, the memory address system information may include bidirectional address system information in which any one of variable data code information is recorded from a low memory address and other information is recorded from a high memory address.

The read only memory area preferably comprises a read only memory area for storing one or more fixed data code information.

Here, the fixed data code information preferably includes RFID code information including one or more EPC codes of the EPC global and ISO codes defined in ISO.

The fixed data code information may be defined in various ways according to the RFID tag 100 application field and available data range. To identify the fixed data code information, the memory configuration information may be stored in the read-only memory area. It is preferable to include the code identifier information for.

The fixed data code information stored in the read-only memory area is stored in the memory unit 120 and is maintained until the end of forward logistic activity (or reverse logistic activity) stored in the read / write memory area. desirable. Accordingly, the read-only memory area is preferably allocated as a read-only memory area. For this purpose, the memory configuration information includes write deactivation information for activating only a read function for the second memory area and deactivating a write function. It is desirable to.

According to the exemplary embodiment of the present invention, when the fixed data code information is requested from the RFID reader according to the RFID operation procedure, the fixed data code information stored in the read-only memory area may include response data to be responded to the RFID reader. The fixed data code information may include a fixed data code including at least one code system of an electronic product code (EPC) system, an ISO / IEC 15963 code system, a UID system, or a user defined code system. It is preferable to make.

The read / write memory area preferably comprises a read / write memory area for storing variable data code information.

Here, the variable data code information may include forward logistics activity information such as production, distribution, and sale of the article to which the RFID tag 100 is attached, or of the article to which the RFID tag 100 is attached. It is desirable to include reverse logistics activity information such as recovery, distribution, and disposal.

According to an embodiment of the present invention, when requesting variable data code information from an RFID reader according to an RFID operation procedure, at least one variable data code information stored in the read / write memory area includes response data to be responded to the RFID reader. It is preferable.

According to the exemplary embodiment of the present invention, the arrangement order and number of the memory configuration information area, the read-only memory area and the read / write memory area, and the capacity of each memory area may vary according to the intention of those skilled in the art. Can be modified.

When the controller 105 is provided with a program execution function, the memory unit 120 stores at least one program code (or program data) executed through the controller 105.

According to an embodiment of the present invention, the program code is preferably provided with a function of reading a digital signal received corresponding to at least one or more RFID communication protocols through the receiving unit 125, and also corresponds to the program code. Preferably, the program data includes at least one or more of the referenced data for reading the digital signal.

In addition, the program code is preferably provided with a function for verifying the validity of the digital signal received in response to at least one or more RFID communication protocol through the receiving unit 125 (for example, the function of checking the checksum). Do.

In addition, the program code is based on a state of the RFID tag 100 based on a power supply state of the RFID tag 100 or a digital signal received corresponding to at least one RFID communication protocol through the receiver 125. , READY, ARBITRATE, REPLY, ACKNOWLEDGED, OPEN, SECURED, KILLED, etc.).

The program code may be configured to extract fixed data codes corresponding to at least one response data to be responded to the RFID reader among fixed data code information on the memory map, or at least one or more recording data received from the RFID reader. Is preferably provided in a specific data area on the memory map.

The controller 105 controls a function defined in the RFID tag 100 according to an operation procedure of the RFID tag 100 corresponding to at least one RFID standard, and specifically controls the receiver 125. Thereby converting the radio frequency signal received from the RFID reader to the antenna unit 140 into a digital signal corresponding to at least one or more RFID communication protocols in the receiving unit 125, and reading the digital signal to correspond to the digital signal. A function of performing a control function, or generating a response signal corresponding to the received digital signal, or extracting response data for generating the response signal from the memory unit 120, or the transmitting unit 130 By converting the generated response signal into a radio frequency signal to the RFID unit through the antenna unit 140 To provide a function such as sending to the features.

According to an exemplary embodiment of the present invention, the control unit 105 preferably includes control logic for performing the above control function.

According to another exemplary embodiment of the present invention, the control unit 105 preferably includes a program execution function for performing the control function as described above, and the control unit 105 includes at least one processor (or It is desirable to have at least one processor and execution memory (e.g., random access memory (RAM), etc.).

According to the present invention, the controller 105, in association with the RFID reader, a memory configuration information area for storing the memory configuration information for the memory area of the memory unit 120, and a read-only memory for storing fixed data code information An area and a read / write memory area storing variable data code information, and controlling to store second memory configuration information and third memory configuration information in the first memory area when the memory area is divided; And storing the fixed data code information in the second memory area, wherein the memory configuration controller 115 controls the write function of the second memory area to be deactivated.

The RFID tag 100 is manufactured according to an RFID-related standard, and when the memory of the RFID tag 100 manufactured according to the RFID standard is first dynamically divided and reconfigured, the memory configuration controller 115 is configured to perform the RFID tag 100. A memory configuration information area for receiving memory reconfiguration information from an RFID reader for dynamically dividing and reconfiguring a memory of the memory; and storing memory configuration information for a memory area of the memory unit 120 according to the memory reconfiguration information; And dynamically reconfigure the data into a read-only memory area for storing code information and a read / write memory area for storing variable data code information.

According to an embodiment of the present disclosure, the memory configuration controller 115 may include a first memory area configured to store memory configuration information of a memory area of the memory unit 120 according to memory reconfiguration information received from the RFID reader; It is preferable to reconfigure and dynamically divide into a second memory area storing fixed data code information and a third memory area storing variable data code information.

In addition, the memory configuration control unit 115 may further divide the memory area further including an Nth (N> = 4) memory area according to the memory reconfiguration information received from the RFID reader. It is not limited.

According to another exemplary embodiment of the present invention, the memory configuration controller 115 stores memory configuration information and fixed data code information of a memory area of the memory unit 120 according to memory reconfiguration information received from the RFID reader. It is possible to dynamically divide and reconfigure the first memory area into a second memory area storing variable data code information, and the present invention is not limited thereto.

In addition, the memory configuration control unit 115 may further divide the memory area further including an Nth (N> = 3) memory area according to the memory reconfiguration information received from the RFID reader. It is not limited.

According to another exemplary embodiment of the present invention, the memory configuration controller 115 may include the first memory configuration controller 115 in response to the memory reconfiguration information received from the RFID reader. A first memory area for storing memory configuration information, first fixed data code information and one or more first variable data code information for the first fixed data code information, and Nth (N> = 2) memory configuration information and a first memory area; N (N> = 2) storing N (N> = 2) fixed data code information and one or more N (N> = 2) variable data code information for the N (N> = 2) fixed data code information 2) Dynamic partitioning and reconstruction into memory regions is possible, and the present invention is not limited thereby.

One of ordinary skill in the art, in addition to the memory dynamic partition reconstruction method described above, at least one memory configuration information area, at least one read-only memory area for storing fixed data code information, variable data code information Various implementation methods for dynamically dividing and reconfiguring the memory of the RFID tag 100 including one or more read / write memory regions to store may be inferred, and the present invention includes all the inferred implementation methods. It is characterized by.

According to an embodiment of the present invention, the memory configuration controller 115 may include a start address and an end address of the first memory area, a start address and an end address of the second memory area, or a start address of the third memory area. By storing memory address information including at least one end address in a memory configuration information area for storing memory configuration information among the reconfigured memory areas, it is preferable to dynamically divide and reconfigure the memory of the RFID tag 100. .

In addition, the memory configuration control unit 115 reconstructs the memory reconfiguration authentication information for authenticating the authority to dynamically repartition and reconfigure the memory area after the first dynamic partitioning of the memory of the RFID tag 100. It is preferable to further store in the memory configuration information area for storing the memory configuration information, and in the case of re-partitioning and reconfiguring the memory area, after the memory reconstruction authority is authenticated through the memory reconfiguration authentication information after It is preferable that m (m> = 2) order dynamic partition memory reconstruction processing is performed.

In addition, the memory configuration controller 115 may include code identifier information for identifying a fixed data code system stored in a reconfigured memory area (= read-only memory area) of the reconstructed memory area. It is preferable to further store in the memory configuration information area which stores the memory configuration information among the reconstructed memory areas.

In addition, the memory configuration control unit 115 stores the memory address system information of the memory area (= read / write memory area) storing variable data code information among the reconstructed memory areas, and stores the memory configuration information of the reconstructed memory area. It is preferable to further store in the memory configuration information area to be stored.

Here, the memory address system information includes forward address system information for recording variable data code information from a low memory address, or reverse address system information for recording variable data code information from a high memory address, or variable It is preferable that any one of the data code information includes bidirectional address system information which records from the low memory address and the other information from the high memory address.

According to an embodiment of the present invention, after the memory area of the memory unit 120 is dynamically divided and reconstructed, the memory area of the memory unit 120 is reconfigured to store fixed data code information among the reconstructed memory areas (= read-only memory area). When the fixed data code information is stored, the memory configuration controller 115 stores write deactivation information for the memory area reconfigured to store the fixed data code information, and stores memory configuration information among the reconfigured memory areas. It is desirable to store more in.

According to an embodiment of the present invention, after the memory area of the memory unit 120 is dynamically partitioned and reconfigured, the memory area of the reconstructed memory area is variable to a memory area (= read / write memory area) storing variable data code information. When the data code information is stored, the memory configuration control unit 115 stores the last write address information including the memory address information last stored in the memory area storing the variable data code information, and stores the memory configuration information among the reconstructed memory areas. It is preferable to further store in the memory configuration information area.

According to an embodiment of the present invention, the fixed data code stored in the read-only memory area generally includes open data that can be read through a general-purpose RFID reader, such as an RFID code, The stored variable data code may store sensitive data that may cause a privacy violation or a security problem, and it is necessary to authenticate access rights to the read / write memory area.

According to an exemplary embodiment of the present invention, when the variable data code stored in the read / write memory area includes sensitive data that may cause a privacy violation or a security problem, the memory configuration controller 115 may change the variable data. After storing code information in the read / write memory area, hash the variable data code stored in the read / write memory area through a predetermined hash function to generate a hash code, and generate the hash code into the RFID reader. It is preferable to treat so as to provide.

In addition, when the hash code is generated, the memory configuration controller 115 may store the generated hash code in the memory configuration information area.

According to another embodiment of the present invention, when the RFID terminal having the RFID reader is provided with a function of generating a hash code for the variable data code, the memory configuration controller 115 is stored in the read / write memory area. It may be omitted that the variable data code is hashed through a predetermined hash function to generate a hash code and provide the hash code to the RFID reader, and the present invention is not limited thereto.

According to the present invention, the control unit 105 controls to respond to the RFID reader by extracting the fixed data code information from the read-only memory area when the read request of the fixed data code from the RFID reader, When the write request of the code, the fixed data code write request is controlled to reject, and when the read request of the variable data code information from the RFID reader, by extracting the variable data code information from the read / write memory area Control to respond to the RFID reader, perform a series of RFID write authentication procedures when requesting to write the variable data code information, and control to record new variable data code information in the read / write memory area. It characterized by having a memory access control unit 110 to It is done.

After the memory of the RFID tag 100 is dynamically divided and reconfigured by the memory configuration controller 115, and if a read of a fixed data code is requested from the RFID reader, the memory access controller 110 configures the memory configuration. And extracting the fixed data code information from the read-only memory area by referring to the fixed data code system stored in the information area, and processing the extracted fixed data code information as response data to control the response to the RFID reader. .

If writing of the fixed data code is requested from the RFID reader, the memory access control unit 110 controls to reject writing of the fixed data code with reference to the write deactivation information stored in the memory configuration information area.

In addition, when reading the variable data code information is requested from the RFID reader, the memory access control unit 110 refers to the memory address system information and the last write address information stored in the memory configuration information area from the read / write memory area. And extracting the variable data code information, and processing the extracted variable data code information as response data to control the response to the RFID reader.

If writing of the variable data code information is requested from the RFID reader, the memory access control unit 110 performs a series of RFID write authentication procedures, and then memory address system information and last write address information stored in the memory configuration information area. The new variable data code information is controlled to be written in the read / write memory area with reference to the following, and then the last write address information is updated.

According to an exemplary embodiment of the present invention, when the variable data code stored in the read / write memory area includes sensitive data that may cause a privacy violation or a security problem, the memory access control unit 110 may change the variable data. After storing code information in the read / write memory area, hash the variable data code stored in the read / write memory area through a predetermined hash function to generate a hash code, and generate the hash code into the RFID reader. It is preferable to treat so as to provide.

In addition, when the hash code is generated, the memory access control unit 110 preferably stores the generated hash code in the memory configuration information area.

According to another embodiment of the present invention, when the RFID terminal having the RFID reader is provided with a function of generating a hash code for the variable data code, the memory access control unit 110 is stored in the read / write memory area. It may be omitted that the variable data code is hashed through a predetermined hash function to generate a hash code and provide the hash code to the RFID reader, and the present invention is not limited thereto.

According to the present invention, when the variable data code stored in the read / write memory area includes sensitive data which may cause a privacy infringement problem or a security problem, the memory access control unit 110 may read the RFID data from the RFID reader. Upon request to read the variable data code information stored in the read / write memory area, receives a hash code for the variable data code information stored in the read / write memory area from the RFID reader through the receiving unit 125, Hash the variable data code stored in the read / write memory area through a predetermined hash function to generate a hash code, and compare the received hash code with the generated hash code to read the write / write memory area. Authenticate access to the variable data code stored in the It said, if the access to the variable data, the authentication code, characterized in that the process to extract the variable data codes stored in the read / write memory area is provided to the RFID reader.

According to another exemplary embodiment of the present invention, when a hash code for the variable data code stored in the read / write memory area is pre-generated and stored in the memory configuration information area, the memory access control unit 110 is configured to store the hash code from the RFID reader. Upon request to read the variable data code information stored in a read / write memory area, receive a hash code for the variable data code information stored in the read / write memory area from the RFID reader, and receive the received hash code and the It is possible to authenticate the RFID reader accessing the variable data code stored in the read / write memory area by comparing the hash codes stored in the memory configuration information area, whereby the present invention is not limited.

2 is a diagram illustrating a memory configuration of an RFID tag 100 dynamically reconfigured according to an embodiment of the present invention.

2 shows a memory configuration information area storing memory configuration information of the memory area, a read-only memory area storing fixed data code information, and a memory of the RFID tag 100 shown in FIG. , Which illustrates a memory configuration dynamically reconfigured into a read / write memory area for storing variable data code information, and a person skilled in the art may refer to and / or modify the present invention. Various implementation methods for the memory configuration of the dynamically segmented reconfigured RFID tag 100 may be inferred, but the present invention includes all the implementation methods inferred, and only with the implementation method shown in FIG. The technical features are not limited.

Referring to (a) of FIG. 2, the memory area of the dynamically segmented and reconfigured RFID tag 100 includes a first memory area for storing memory configuration information of the memory area of the memory unit 120 and fixed data. And a second memory area for storing code information, and a third memory area for storing variable data code information, and further comprising an N (N> = 4) memory area according to the intention of those skilled in the art. It is preferable.

Referring to (b) of FIG. 2, the memory area of the dynamically segmented and reconfigured RFID tag 100 includes a memory configuration information area and a fixed data code for storing memory configuration information of the memory area of the memory unit 120. It is preferable to include a first memory area for storing information and a second memory area for storing variable data code information, and further comprising an N (N> = 3) memory area according to the intention of a person skilled in the art. desirable.

Referring to (c) of FIG. 2, the memory area of the dynamically segmented and reconfigured RFID tag 100 is fixed to a memory configuration information area that stores memory configuration information of a read-only memory area of the memory unit 120. And a first memory area for storing data code information, a memory configuration information area for storing memory configuration information for the read / write memory area, and a second memory area for storing variable data code information. According to the intention of the person skilled in the art, it is preferable to further comprise an N (N> = 3) memory region.

Referring to (d) of FIG. 2, the memory area of the dynamically segmented reconfigured RFID tag 100 may include a first memory configured to store first memory configuration information of a first read-only memory area of the memory unit 120. And a first memory area including a memory configuration information area, a first read-only memory area storing fixed data code information, and a first read / write memory area storing variable data code information. According to the intention, it is preferable to further include an N (N> = 2) memory area.

Those skilled in the art will be able to infer various implementation methods for dynamically dividing and reconfiguring the memory area of the RFID tag 100 in addition to the memory configuration described above. It is characterized by including all the implementation methods inferred.

3 is a diagram illustrating an operation process of the RFID tag 100 for dynamically dividing and reconfiguring a memory according to an exemplary embodiment of the present invention.

In more detail, FIG. 3 illustrates a method for storing memory configuration information of a memory of the RFID tag 100 according to the memory reconfiguration information when receiving the memory reconfiguration information from the RFID tag 100 shown in FIG. A diagram illustrating a process of dynamically dividing and reconfiguring a memory configuration information area into a read-only memory area storing fixed data code information and a read / write memory area storing variable data code information. Those skilled in the art will be able to infer various implementation methods for the operation process of the RFID tag 100 by dynamically dividing and reconfiguring the memory by referring to and / or modifying the drawing 3. It is made to include all the implementation methods inferred, the technical features are not limited only to the implementation method shown in FIG. Should you.

Referring to FIG. 3, the RFID tag 100 shown in FIG. 1 connects wireless communication with an RFID reader provided in an RFID terminal for dynamically dividing and reconfiguring the RFID tag 100 memory. It is checked whether memory reconfiguration information for the RFID tag 100 memory is received through the RFID reader (300).

Here, the memory reconfiguration information may include information about the number and location of memory regions of at least one memory configuration information region, a read-only memory region, and a read / write memory region to dynamically divide and reconfigure the memory of the RFID tag 100. It is preferable to comprise.

The memory reconfiguration information may include memory configuration information to be stored in a memory configuration information area of the memory area to be dynamically partitioned and reconfigured, wherein the memory configuration information includes one or more read-only memory area information and read / write information. It is preferable to include memory area information.

According to an embodiment of the present invention, the memory reconfiguration information may include at least one memory address information including at least one start address information and at least one end address information of each memory area, and at least one memory reconfiguration authentication information for authenticating a right to reconfigure the memory. It is preferable to comprise.

The memory reconfiguration information may further include code identifier information for identifying an RFID code system stored in the read-only memory region, or write deactivation information for the read-only memory margin region.

The memory reconfiguration information may further include memory address system information for storing variable data code information in the read / write memory area, and the memory address system information may include a variable memory having low variable data code information. It contains forward address system information that records from an address, or contains reverse address system information that records variable data code information from a high memory address, or the information of any one of the variable data code information is written from a low memory address and is different. The information preferably includes bidirectional address system information that records from a high memory address.

If the memory reconfiguration information is received (305), the RFID tag 100 is configured to replace the memory area of the RFID tag 100 with at least one memory configuration information area and at least one read-only memory area according to the received memory reconfiguration information. In operation 310, the data is dynamically divided into one or more read / write memory regions.

The memory configuration information area preferably includes a memory area for storing memory configuration information of the memory area of the memory unit 120.

The memory configuration information may include memory address information including one or more start addresses and end addresses of the read-only memory area, or at least one start address and end address of the read / write memory area. It is preferable.

The memory configuration information may further include memory reconfiguration authentication information for authenticating a right to dynamically divide and reconfigure the memory area of the memory unit 120.

The memory configuration information may further include code identifier information for identifying an RFID code system stored in the read-only memory area.

The memory configuration information may further include write deactivation information for activating only a read function for the read-only memory area and deactivating a write function.

The memory configuration information may further include last write address information in which variable data code information is stored on the read / write memory area.

The memory configuration information may further include memory address system information for storing variable data code information in the read / write memory area.

The memory address system information may include forward address system information for recording variable data code information from a lower memory address on the read / write memory area.

Alternatively, the memory address system information may include reverse address system information for recording variable data code information from a high memory address on the read / write memory area.

Alternatively, the memory address system information may include bidirectional address system information in which any one of variable data code information is recorded from a low memory address and other information is recorded from a high memory address.

The read only memory area preferably comprises a read only memory area for storing one or more fixed data code information.

Here, the fixed data code information preferably includes RFID code information including one or more EPC codes of the EPC global and ISO codes defined in ISO.

The fixed data code information may be variously defined by the RFID code system according to the RFID tag 100 application field and available data range. To identify the fixed data code information, the memory configuration information may be defined for the read-only memory area. It is preferable to include code identifier information.

The fixed data code information stored in the read-only memory area is stored in the memory unit 120 and is maintained until the end of forward logistic activity (or reverse logistic activity) stored in the read / write memory area. desirable. Accordingly, the read-only memory area is preferably allocated as a read-only memory area. For this purpose, the memory configuration information includes write deactivation information for activating only a read function for the second memory area and deactivating a write function. It is desirable to.

According to the exemplary embodiment of the present invention, when the fixed data code information is requested from the RFID reader according to the RFID operation procedure, the fixed data code information stored in the read-only memory area may include response data to be responded to the RFID reader. The fixed data code information includes an RFID code including at least one code system of an electronic product code (EPC) system, an ISO / IEC 15963 code system, a UID system, or a user defined code system. It is preferable.

The read / write memory area preferably comprises a read / write memory area for storing variable data code information.

Here, the variable data code information may include forward logistics activity information such as production, distribution, and sale of the article to which the RFID tag 100 is attached, or of the article to which the RFID tag 100 is attached. It is desirable to include reverse logistics activity information such as recovery, distribution, and disposal.

According to an embodiment of the present invention, when requesting variable data code information from an RFID reader according to an RFID operation procedure, at least one variable data code information stored in the read / write memory area includes response data to be responded to the RFID reader. It is preferable.

According to the exemplary embodiment of the present invention, the arrangement order and number of the memory configuration information area, the read-only memory area and the read / write memory area, and the capacity of each memory area may vary according to the intention of those skilled in the art. Can be modified.

If the memory area of the RFID tag 100 is divided into one or more memory configuration information areas, one or more read-only memory areas, and one or more read / write memory areas (315), the RFID tag 100 may store the memory configuration information. The memory reconfiguration information is stored in an area (320) and the fixed data code information to be stored in the read-only memory area is received through the RFID reader (325).

If the fixed data code information is received (330), the RFID tag 100 stores the received fixed data code information in the read-only memory area, and deactivates writing of the read-only memory area (335). ).

In addition, the RFID tag 100 checks whether variable data code information (eg, basic forward logistics information related to production) to be stored in the read / write memory area is received through the RFID reader (340), and if the variable data When code information is received (345), the RFID tag 100 stores the received variable data code information in the read / write memory area, and writes the last write to the read / write memory area in the memory configuration information area. The address information is stored (350).

4 is a diagram illustrating a functional configuration of an RFID terminal 410 which dynamically divides and reconfigures a memory of an RFID tag 495 according to an exemplary embodiment of the present invention.

In more detail, FIG. 4 is a functional configuration diagram of a dedicated RFID terminal 410 having an external RFID reader 473. For convenience, an additional function configuration corresponding to the type and additional functions of the RFID terminal 410 is omitted for convenience. However, those skilled in the art to which the present invention pertains, various RFID terminal 410 (for example, RFID terminal 410) for dynamically partitioning and reconfiguring the memory of the RFID tag 495 with reference to FIG. ) Can easily be inferred from the configuration of a desktop computer or a notebook performing a function, or a mobile communication terminal or a wireless data communication terminal or a portable internet terminal performing an RFID terminal 410 function. It is clear that this is not limiting.

Referring to FIG. 4, the RFID terminal 410 basically includes a control unit 415, a memory unit 425, an RFID interface 420, a screen output unit 445, a key input unit 440, and a communication unit 435. It is made to include, and comprises a power supply unit 430 for supplying power to the RFID terminal 410.

The controller 415 controls the overall operation of the RFID terminal 410 in function configuration, manages the flow of information or data between components, and dynamically divides and reconfigures the memory of the RFID tag 495. Characterized in that it controls the function of the components provided in the RFID terminal 410.

The control unit 415 is a hardware bus that inputs and outputs at least one or more processors including a Central Processing Unit (CPU) / Micro Processing Unit (MPU), an execution memory (for example, a register or a random access memory (RAM)), and data. And a bus to be loaded from the recording medium into the execution memory to perform a characteristic function of dynamically dividing and reconfiguring the memory of the RFID tag 495 by software. A program recorded on a recording medium provided in the RFID terminal 410 so as to dynamically divide and reconfigure the memory of the RFID tag 495, including a program routine or program data that is arithmetic processed by A component for processing the functional configuration in software is shown in the control unit 415.) Characterized in that where the lure.

The memory unit 425 is a program routine (or code) or program data (for example, information or data input and output when an operation by the program routine (or code) is performed) for controlling the overall operation of the RFID terminal 410. A general term of non-volatile memory for storing the memory, including at least one or more storage means, including hardware EEPROM (Electrically Erasable and Programmable Read Only Memory) or FM (Flash Memory) or HDD (Hard Disk Drive) The program routine required for the control unit 415 to perform a control function and program data (for example, data input or output for the program routine to perform a function) are stored.

According to an embodiment of the present invention, the memory unit 425 stores memory reconfiguration information for dynamically dividing and reconfiguring the memory of the RFID tag 495 shown in FIG. When the memory reconfiguration information is received from the server (or device) on the communication network at the time of memory reconfiguration of 495, it may be omitted that the memory reconfiguration information is stored in the memory unit 425, thereby limiting the present invention. Not.

Here, the memory reconfiguration information may include information on the number and location of memory regions of at least one memory configuration information region, a read-only memory region, and a read / write memory region to dynamically divide and reconfigure the memory of the RFID tag 495. It is preferable to comprise.

The memory reconfiguration information may include memory configuration information to be stored in a memory configuration information area of the memory area to be dynamically partitioned and reconfigured, wherein the memory configuration information includes one or more read-only memory area information and read / write information. It is preferable to include memory area information.

According to an embodiment of the present invention, the memory reconfiguration information may include at least one memory address information including at least one start address information and at least one end address information of each memory area, and at least one memory reconfiguration authentication information for authenticating a right to reconfigure the memory. It is preferable to comprise.

The memory reconfiguration information may further include code identifier information for identifying an RFID code system stored in the read-only memory region, or write deactivation information for the read-only memory margin region.

The memory reconfiguration information may further include memory address system information for storing variable data code information in the read / write memory area, and the memory address system information may include a variable memory having low variable data code information. It contains forward address system information that records from an address, or contains reverse address system information that records variable data code information from a high memory address, or the information of any one of the variable data code information is written from a low memory address and is different. The information preferably includes bidirectional address system information that records from a high memory address.

According to an embodiment of the present invention, the memory unit 425 may store fixed data code information to be stored in the read-only memory area after the memory area of the RFID tag 495 is dynamically divided and reconfigured. When the fixed data code information is received from a server (or a device) on the communication network, the storing of the fixed data code information in the memory unit 425 may be omitted, and the present invention is not limited thereto.

The screen output unit 445 is a liquid crystal display (LCD) or a CRT (LCD) by the controller 415 in the process of the RFID terminal 410 performs a function of dynamically dividing and reconfiguring the memory of the RFID tag 495 Cathode Ray Tube) outputs at least one or more information or data that is predefined or is defined in real time to be output to the screen output device including a, through a predefined screen interface, the screen output unit 445 is In conjunction with the screen output device performs a function of the screen output means provided in the RFID terminal 410.

The screen output unit 445 may include at least one or more key data input through the key input unit 440 while the RFID terminal 410 performs a function of dynamically dividing and reconfiguring the memory of the RFID tag 495. Or at least one or more information (or data) extracted from the memory unit 425 by the RFID terminal 410 to dynamically divide and reconfigure the memory of the RFID tag 495, or the RFID terminal 410 At least one or more information (or data) transmitted and received through the communication unit 435 to dynamically divide and reconfigure the memory of the RFID tag 495, or the RFID terminal 410 dynamically stores the memory of the RFID tag 495. And outputting the information (or data) corresponding to the operation result to perform the division and reconstruction to the screen output device.

The key input unit 440 may include at least one or more number keys or character keys in the process of the RFID terminal 410 dynamically dividing and reconfiguring the memory of the RFID tag 495. Characterized in that at least one or more information or data that is predefined or is defined in real time to be input from a key input device, including a function key (Function Key), etc. The key input unit 440 is In conjunction with a key input device performs the function of the key input means provided in the RFID terminal 410.

The communication unit 435 connects at least one communication channel with a server (or device) on a network in the process of the RFID terminal 410 dynamically dividing and reconfiguring the memory of the RFID tag 495. The communication channel may be a network communication channel connecting the RFID terminal 410 and a server (or device) on a network through at least one wired or wireless network, or the RFID terminal 410 and a cable communication terminal (or server). At least one cable communication channel for connecting through a cable, or at least one short-range communication channel for connecting the RFID terminal 410 and the short-range device through at least one or more short-range communication means.

According to an embodiment of the present invention, the network communication channel is TCP / IP (Transmission Control) according to a characteristic according to a network type for connecting the RFID terminal 410 and the server (or device) or a communication protocol defined in the network. A wired network communication channel including at least one or more of a protocol / Internet protocol based Internet network, a No. 7 network, a private network (for example, a value-added communication network or a financial common network), or a mobile communication network based on code division multiple access (CDMA), And a wireless network communication channel including at least one of a wireless data communication network and a portable internet network.

In addition, the cable communication channel is RS (Recommended Standard) -232c, RS-485, USB (Universal Serial Bus) according to the cable type and communication protocol connecting the RFID terminal 410 and the cable communication terminal (or server) It includes a serial communication channel comprising at least one or a wireless network communication channel including at least one or more parallel communication channels such as LPT.

In addition, the near field communication channel may include infrared ray communication, radio frequency (RF) communication, and Bluetooth according to a type of a near field communication means and a communication protocol for connecting the RFID terminal 410 and the cable communication terminal (or server). It includes a short-range wireless communication channel including at least one of (BlueTooth), Wireless LAN (Wireless LAN), Wi-Fi (Wi-Fi), UWB (Ultra Wide Band system).

The RFID interface 420 may be configured to interface with the RFID reader 473, and the RFID reader 473 may receive the RFID information received from the at least one RFID tag 495 to the RFID terminal 410, or Alternatively, the RFID terminal 410 may provide at least one or more RFID related commands or information to be provided to the RFID tag 495 to the RFID reader 473.

According to an embodiment of the present invention, when the RFID reader 473 is externally provided as shown in FIG. 4, the RFID interface 420 may communicate at least one or more of the network communication channel, cable communication channel, or short range communication channel. It is desirable to interface with the RFID reader 473 through a channel.

According to another embodiment of the present invention, when the RFID reader 473 is provided in the RFID terminal 410 in a built-in manner, the RFID interface 420 may include a data bus or a printed circuit board (PCB) circuit. It is preferable to interface with the RFID reader 473 through.

The RFID reader 473 includes an electronic circuit that emits or receives radio waves toward at least one RFID tag 495, and an antenna that emits or receives radio waves of a specific frequency to the RFID tag 495 in association with the electronic circuit. And a microcontroller that extracts and checks data by reading a signal received from the RFID tag 495, and the functional configuration of the RFID reader 473 shown in FIG. An RFID reader 473 that interacts with at least one RFID tag 495 via a wireless interface defined in ISO / IEC 18000 series, and interacts with the RFID terminal 410 via the RFID interface 420. It will be appreciated that the functional configuration of the RFID reader 473 for achieving the present invention is not limited to the case of FIG.

Referring to FIG. 4, the RFID reader 473 transmits and receives a radio frequency signal of a radio frequency band defined in ISO / IEC 18000 series (or supplies an energy source (power) to the RFID tag 495). Converting the information or data provided from the RIFD terminal through the antenna unit 490, the interface unit 475 for interfacing information or data with the RFID terminal 410, and the interface unit 475. The transmitter 480 to transmit through the antenna unit 490 and the radio frequency signal received through the antenna unit 490 to digital signals to convert the RFID terminal 410 through the interface unit 475. It comprises a receiving unit 477 and a power supply unit 485 for supplying the power required to operate the RFID reader 473 is provided.

According to the exemplary embodiment of the present invention, the power supply unit 485 may be supplied with power from the power supply unit 430 of the RFID terminal 410, or may be supplied with a separate power supply different from the RFID terminal 410. Do.

When the RFID tag 495 enters (or is close to) a radio frequency region around the RFID reader 473, the antenna unit 490 may provide the antenna tag 490 through the air interface defined in the ISO / IEC 18000 series. The radio frequency signal transmitted from the RFID reader 473 transmits a signal including an active signal or information (or data), or the radio frequency requested by the transmitter 480 to be transmitted to the RFID tag 495. It is characterized by transmitting a signal or receiving a radio frequency signal from the RFID tag 495.

The interface unit 475 receives information or data to be included in the radio frequency signal transmitted from the RFID terminal 410 to the RFID tag 495 through the antenna unit 490 or the antenna unit 490. It is characterized in that to perform the interface function for providing the RFID terminal 410 with information or data corresponding to the digital signal included in the radio frequency signal received from the RFID tag 495 through.

According to the exemplary embodiment of the present invention, when the RFID reader 473 interfaces with the RFID terminal 410 as an external type as shown in FIG. 4, the interface unit 475 may be configured as the network communication channel or the cable communication channel. Or interface with the RFID interface 420 of the RFID terminal 410 through at least one communication channel among short-range communication channels. As another embodiment, the RFID reader 473 may be embedded in the RFID terminal ( When interfacing with 410, the interface unit 475 may include a data bus or a printed circuit board (PCB) circuit.

The transmitter 480 is a modulator for converting a radio frequency signal for transmitting a digital signal to the RFID tag 495 through the antenna unit 490, and the RFID unit through the interface unit 475. When information or data to be provided from the terminal 410 to the RFID tag 495 is provided, or it is determined to transmit a signal to the RFID tag 495 by an internal logic circuit, the digital corresponding to the information or data A signal or a digital signal corresponding to the determination result is converted into a radio frequency signal and transmitted through the antenna unit 490.

The receiver 477 is a demodulator for converting a radio frequency signal received through the antenna unit 490 into a digital signal, and demodulates a digital signal by demodulating the radio frequency signal received through the antenna unit 490. It generates and provides the information or data corresponding to the digital signal to the RFID terminal 410 through the interface unit 475.

Referring to FIG. 4, the RFID terminal 410 checks memory reconfiguration information of the memory area of the RFID tag 495 to dynamically divide and reconfigure the memory area of the RFID tag 495. A memory reconstruction processor for dynamically dividing and reconstructing a memory of the RFID tag 495 by providing a confirmation unit 450 and the identified memory reconfiguration information to the RFID tag 495 through the RFID reader 473 ( 455, and when reconfiguring the memory of the pre-reconstructed RFID tag 495, memory reconstruction authentication for authenticating a memory reconstruction right for reconfiguring the memory of the RFID tag 495. It is characterized by further comprising a portion 460.

When the memory reconfiguration information is stored in the memory unit 425 according to an exemplary embodiment of the present invention, the information checking unit 450 may be configured to dynamically divide and reconfigure a memory area of the RFID tag 495. The memory unit 425 dynamically divides the memory of the RFID tag 495 and checks memory reconstruction information to be reconstructed.

According to another exemplary embodiment of the present invention, when the memory reconfiguration information is not stored in the memory unit 425 and the memory reconfiguration information is stored in a storage medium 405 on a communication network, the memory area of the RFID tag 495. In order to dynamically divide and reconfigure the information, the information confirming unit 450 is connected to the communication unit 435 to manage the memory of the RFID tag 495 from a server (or device) that manages and operates the storage medium 405. Is dynamically divided to check memory reconstruction information to be reconstructed.

When the memory reconstruction information to be reconfigured by dynamically dividing the memory of the RFID tag 495 is confirmed by the information confirming unit 450, the memory reconstruction processing unit 455 transmits the identified memory reconstruction information to the RFID reader ( 473 to the RFID tag 495 to dynamically divide and reconfigure the memory of the RFID tag 495.

According to an embodiment of the present invention, the memory reconstruction processing unit 455 transmits a memory reconstruction command including the memory reconfiguration information to the RFID tag 495 through the RFID reader 473, thereby transmitting the RFID tag 495. Memory is reconfigured according to the memory reconfiguration information.

When the memory of the RFID tag 495 is reconfigured, the memory reconfiguration authentication unit 460 is authenticated to validate the validity through memory reconfiguration authentication information stored in the memory configuration information area of the RFID tag 495. By providing data to the RFID tag 495 through the RFID reader 473, the reconfiguration authority for the memory of the RFID tag 495 is authenticated, and when the memory reconfiguration authority is authenticated, The memory reconstruction processor 455 reconstructs the RFID tag 495 memory according to the identified memory reconfiguration information.

According to an exemplary embodiment of the present invention, when dynamic segmentation reconfiguration of the RFID tag 495 memory is performed, if the fixed data code information is not stored in the read-only memory area of the RFID tag 495 memory, the read-only memory area may be Preferably, the write function is activated.

Referring to FIG. 4, the RFID terminal 410 identifies fixed data code information to be stored in a read-only memory area of the reconstructed memory after the memory of the RFID tag 495 is dynamically divided and reconstructed. And a fixed data recorder 463 which provides the identified fixed data code information to the RFID tag 495 through the RFID reader 473 and stores and records the read data in the read-only memory. After the fixed data code information is written to the read-only memory, the write function of the read-only memory is deactivated.

After the memory of the RFID tag 495 is dynamically divided and reconstructed by the memory reconstruction processing unit 455, the fixed data recording unit 463 is associated with the memory unit 425 (or a fixed data code on a communication network). Receiving recording target fixed data code information from an information management server (or device), confirming fixed data code information to be stored in a read-only memory area of the reconstructed memory, and converting the identified fixed data code information into the RFID reader ( It is provided to the RFID tag 495 through 473, and stored and recorded in the read-only memory.

According to the exemplary embodiment of the present invention, when the RFID tag 495 is not equipped with a write deactivation function after writing the fixed data code information, the fixed data recording unit 463 issues the write deactivation command to the fixed data code information. It is preferable that the write function of the read-only memory is deactivated by further transmitting or providing a write deactivation command after writing the fixed data code information to the RFID tag 495 through the RFID reader 473.

Referring to FIG. 4, the RFID terminal 410 identifies basic variable data code information to be stored in a read / write memory area of the reconstructed memory after the memory of the RFID tag 495 is dynamically divided and reconstructed. And a variable data recorder 465 which provides the identified basic variable data code information to the RFID tag 495 through the RFID reader 473 and stores and records the read / write memory in the read / write memory. After the basic variable data code information is written to the read / write memory, the last write address information of the read / write memory is stored in the memory configuration information area.

After the memory of the RFID tag 495 is dynamically partitioned and reconstructed by the memory reconstruction processing unit 455, the variable data recording unit 465 confirms the basic variable data code information, and the identified basic variable data. Code information is provided to the RFID tag 495 through the RFID reader 473, and stored and recorded in the read / write memory.

Referring to FIG. 4, when the variable data code is stored in the read / write memory area of the RFID tag 495, the RFID terminal 410 may store the variable data code information stored in the read / write memory area. A code for storing the hash code check unit 467 to identify the corresponding hash code and the fixed hash code stored in the read-only memory area of the RFID tag 495 and storing the stored code in the storage medium 405. It is characterized by comprising a storage unit 470.

According to an exemplary embodiment of the present disclosure, when the variable data code is stored in a read / write memory area of the RFID tag 495, the hash code checker 467 may store the RFID through the RFID reader 473. Preferably, the tag 495 receives a hash code generated by hashing the variable data code information stored in the read / write memory area through a predetermined hash function.

According to another exemplary embodiment of the present invention, when the variable data code is stored in a read / write memory area of the RFID tag 495, the hash code checker 467 stores the variable data code in the read / write memory area. It is preferable to generate a hash code by hashing the variable data code information through a predetermined hash function.

When the hash code corresponding to the variable data code information stored in the read / write memory area is confirmed by the hash code check unit 467, the code storage unit 470 read-only the memory of the RFID tag 495. Check the fixed data code stored in the area, and transmits the identified hash code and the fixed data code stored in the read-only memory area of the RFID tag 495 through the communication unit 435 to the authentication server 400 on the communication network The hash code and the fixed data code are stored in a storage medium 405 managed by the authentication server 400 in association with each other.

According to another embodiment of the present invention, the code storage unit 470 checks the fixed data code stored in the read-only memory area of the RFID tag 495, and the memory unit 425 provided in the RFID terminal 410. ) Can be stored in association with the identified hash code and a fixed data code stored in a read-only memory area of the RFID tag 495, whereby the present invention is not limited thereto.

5 is a diagram illustrating a process of dynamically dividing and reconfiguring an RFID tag 495 memory according to an exemplary embodiment of the present invention.

In more detail, FIG. 5 illustrates a process of dynamically dividing and reconfiguring the memory of the RFID tag 495 illustrated in FIG. 1 in the RFID terminal 410 illustrated in FIG. 4. Those skilled in the art will be able to infer various implementation methods for dynamically dividing and reconfiguring the RFID tag 495 memory by referring to and / or modifying the drawing of FIG. It is made including all the implementation methods that are, the technical features are not limited only to the implementation method shown in FIG.

Referring to FIG. 5, the RFID terminal 410 connects the wireless communication with the RFID tag 495 shown in FIG. 1 through an RFID reader 473 (500), and if the RFID tag 495 and the RFID terminal When the wireless communication between the wireless communication is connected (505), the RFID terminal 410 checks and reads the memory configuration information of the wirelessly connected RFID tag 495 to determine whether the memory of the RIFD tag is first reconfigured (510). ).

If the memory of the RIFD tag is not initially reconfigured (for example, when the memory of the RIFD tag is reconfigured) (515), the RFID terminal 410 is connected to the RFID tag 495 through the RFID reader 473. (520), and if the memory reconfiguration authority of the RFID tag 495 is authenticated (525), the RFID terminal 410 confirms the memory reconfiguration information for the RFID tag (495). (530).

On the other hand, when the memory of the RIFD tag is reconfigured (515), the RFID terminal 410 checks the memory reconfiguration information for the RFID tag (495) (530).

Here, the memory reconfiguration information may include information on the number and location of memory regions of at least one memory configuration information region, a read-only memory region, and a read / write memory region to dynamically divide and reconfigure the memory of the RFID tag 495. It is preferable to comprise.

The memory reconfiguration information may include memory configuration information to be stored in a memory configuration information area of the memory area to be dynamically partitioned and reconfigured, wherein the memory configuration information includes one or more read-only memory area information and read / write information. It is preferable to include memory area information.

According to an embodiment of the present invention, the memory reconfiguration information may include at least one memory address information including at least one start address information and at least one end address information of each memory area, and at least one memory reconfiguration authentication information for authenticating a right to reconfigure the memory. It is preferable to comprise.

The memory reconfiguration information may further include code identifier information for identifying an RFID code system stored in the read-only memory region, or write deactivation information for the read-only memory margin region.

The memory reconfiguration information may further include memory address system information for storing variable data code information in the read / write memory area, and the memory address system information may include a variable memory having low variable data code information. It contains forward address system information that records from an address, or contains reverse address system information that records variable data code information from a high memory address, or the information of any one of the variable data code information is written from a low memory address and is different. The information preferably includes bidirectional address system information that records from a high memory address.

If the memory reconfiguration information for the RFID tag 495 is confirmed (535), the RFID terminal 410 provides the confirmed memory reconfiguration information to the RFID tag 495 through the RFID reader 473 The memory area of the RFID tag 495 is dynamically partitioned according to the memory reconfiguration information to be reconfigured (540), and correspondingly, the RFID tag 495 is processed through the process shown in FIG. The memory area of 495 is dynamically divided and reconstructed.

6 is a diagram showing an information recording process in a dynamic segment reconstructed RFID tag 495 memory according to an embodiment of the present invention.

In detail, FIG. 6 illustrates a case in which the memory of the RFID tag 495 shown in FIG. 1 is dynamically partitioned and reconfigured through the memory reconstruction process shown in FIG. A process of writing fixed data code information in a read-only memory area of a memory, or writing basic variable data code information in the read / write memory area, the person having ordinary skill in the art to which the present invention pertains. However, the present invention may infer various implementation methods for the information writing process in the dynamic segment reconstructed RFID tag 495 memory by referring to and / or modifying the present invention, but the present invention includes all the implementation methods inferred from the above. The technical features of the present invention are not limited only to the implementation method shown in FIG.

Referring to FIG. 6, after the memory of the RFID tag 495 illustrated in FIG. 1 is dynamically partitioned and reconfigured through the memory reconstruction process illustrated in FIG. 5, the RFID terminal 410 performs the RFID tag 495. Check the fixed data code information to be stored in the read-only memory area of the memory (600), and if the fixed data code information is confirmed (605), the RFID terminal 410 via the RFID reader 473 The tag 495 provides the identified fixed data code information and stores the determined fixed data code information in the read-only memory area, and deactivates the write function of the read-only memory area (610).

In addition, the RFID terminal 410 confirms basic variable data code information to be stored in a read / write memory area of the RFID tag 495 memory (615), and if the basic variable data code information is confirmed (620), The RFID terminal 410 provides the identified basic variable data code information to the RFID tag 495 through the RFID reader 473 and stores the identified basic variable data code information in the read / write memory area and stores the read / write memory area of the read / write memory area. The last write address information is stored (625).

Thereafter, the RFID terminal 410 checks the hash code for the variable data code information stored in the read / write memory area of the RFID tag 495 (630).

According to an exemplary embodiment of the present invention, the RFID terminal 410 uses a predetermined hash function to store the variable data code information stored in the read / write memory area from the RFID tag 495 through the RFID reader 473. It is desirable to receive a hash code generated by hashing through.

According to another exemplary embodiment of the present invention, the RFID terminal 410 may generate a hash code by hashing the variable data code information stored in the read / write memory area through a preset hash function.

In addition, the RFID terminal 410 stores the identified hash code and a fixed data code stored in a read-only memory area of the RIFD tag in a storage medium 405 in operation 635.

According to the embodiment of the present invention, the RFID terminal 410 transmits the identified hash code and the fixed data code stored in the read-only memory area of the RFID tag 495 to the authentication server 400 on the communication network. The hash code and the fixed data code may be stored in a storage medium 405 managed by the authentication server 400 in association with each other.

According to another embodiment of the present invention, the RFID terminal 410 stores the identified hash code in association with the fixed data code stored in the read-only memory area of the RFID tag 495 in the memory unit 425. It is possible that the present invention is not limited thereby.

7 is a diagram illustrating a functional configuration of an RFID terminal 710 accessing a variable data code storage area of an RFID tag 795 memory which is dynamically partitioned and reconfigured according to an embodiment of the present invention.

In more detail, FIG. 7 shows a memory configuration information area for storing memory configuration information about a memory, such as the RFID tag 795 shown in FIG. 1, a read-only memory area for storing fixed data code information, and variable data. When accessing the RFID tag 795 having a memory unit 725 dynamically divided into a read / write memory area storing code information, the read / write memory area is based on a fixed data code stored in the read-only memory area. The functional configuration of the RFID terminal 710 accessing by authenticating the access authority for the variable data code stored in the present invention, and those skilled in the art to which the present invention belongs, reference and / or modification of the Figure 7 It will be possible to infer various implementation methods for the RFID terminal 710, but the present invention includes all the implementation methods inferred It becomes, to which the technical feature that is not limited to the exemplary method shown in the figure 7.

Referring to FIG. 7, the RFID terminal 710 basically includes a control unit 715, a memory unit 725, an RFID interface 720, a screen output unit 745, a key input unit 740, and a communication unit 735. It is made to include, and comprises a power supply unit 730 for supplying power to the RFID terminal 710, a detailed description thereof will be referred to Figure 4.

Referring to FIG. 7, the RFID terminal 710 may include an authentication processor 750 for authenticating an access right to the RIFD tag illustrated in FIG. 1 in association with the authentication server 700 illustrated in FIG. 4; When authenticating the access right to the RFID tag 795, a code transmitter 755 transmitting the fixed data code read from the RFID tag 795 through the RFID reader 773 and the fixed server from the authentication server. A code receiving unit 760 for receiving a hash code stored in the storage medium 705 in association with a data code, and an access right for transmitting the hash code to the RFID tag 795 to obtain access to the variable data code. It is characterized by comprising an acquisition unit 763.

The authentication processing unit 750 is the RFID terminal (710) by the RFID terminal (710) through the terminal-server mutual verification for transmitting and receiving and authenticating the terminal verifier and the server verifier for the authentication server 700 shown in FIG. 795) to authenticate the right to access.

Those skilled in the art to which the present invention pertains, in addition to the above-described implementation method, the authentication processing unit 750 various implementation methods for authenticating the right to access the RFID tag 795 by the RFID terminal 710. (E.g., ID / PW authentication) may be inferred, and the present invention is characterized by including all the inferred implementation methods.

When the access right to the RFID tag 795 is authenticated, the RFID terminal 710 reads a fixed data code from the RFID tag 795 through the RFID reader 773, and through the RFID reader 773. After the fixed data code is read, when the variable data code is to be read from the RFID tag 795, the code transmitter 755 transmits the read fixed data code to the authentication server 700.

According to another exemplary embodiment of the present invention, the RFID terminal 710 may read the fixed data code from the RFID tag 795 through the RFID reader 773 without access authority to the RFID tag 795 without authentication. In this case, when the variable data code is to be read from the RFID tag 795, after the access authority authentication of the RFID tag 795 through the authentication processor 750 is performed, the code transmitter 755 is read fixed. It is possible to transmit a data code to the authentication server 700.

When the RFID terminal 710 is authorized to access the RFID tag 795, the authentication server 700 checks the hash code associated with the fixed data code received from the storage medium 705. And transmits to the RFID terminal 710, and correspondingly, the code receiving unit 760 receives a hash code stored in the storage medium 705 in association with the fixed data code from the authentication server 700. .

According to another exemplary embodiment of the present invention, when the fixed data code and the hash code are cooperatively stored in the memory unit 725, the code receiving unit 760 is connected to the fixed data code from the memory memory unit 725. It is possible to receive a hash code.

Thereafter, the access right obtaining unit 763 transmits the received hash code to the RFID tag 795, and correspondingly, the RFID tag 795 is configured for a variable data code stored in the read / write memory area. After generating a hash code or checking a hash code stored in the memory configuration information area, the RIFD terminal accesses the variable data code by comparing the generated (or confirmed) hash code with the received hash code. Characterized in that the authentication.

Referring to FIG. 7, when a variable data code is read from the RFID tag 795, a hash code is generated by hashing the variable data code read from the RFID tag 795, and the generated hash code and the received data are hashed. It further comprises a code authentication unit 765 for comparing the hash code to authenticate the validity of the read variable data code.

According to an embodiment of the present invention, the RFID tag 795 (regardless of the access right authentication for the variable data code) may be used to verify the variable data code in the RFID terminal 710. In the case of transmitting the variable data code, a hash code may be further included in the variable data code. In this case, the code authentication unit 765 compares the read hash code with the received hash code. It is possible to authenticate the validity of the read variable data code.

Referring to FIG. 7, when the variable data code is stored in the read / write memory area of the RFID tag 795, the RFID terminal 710 may store the variable data code information stored in the read / write memory area. A code for storing the hash code check unit 767 for confirming a corresponding hash code and the fixed data code stored in the read-only memory area of the RFID tag 795 and storing the stored hash code in the storage medium 705. It is characterized by comprising a storage unit 770.

According to an embodiment of the present invention, when the variable data code is stored in a read / write memory area of the RFID tag 795, the hash code checking unit 767 uses the RFID reader 773 to read the RFID data. The tag 795 may receive a hash code generated by hashing the variable data code information stored in the read / write memory area through a predetermined hash function.

According to another exemplary embodiment of the present invention, when the variable data code is stored in a read / write memory area of the RFID tag 795, the hash code checker 767 stores the variable data code in the read / write memory area. It is preferable to generate a hash code by hashing the variable data code information through a predetermined hash function.

When the hash code corresponding to the variable data code information stored in the read / write memory area is confirmed by the hash code confirming unit 767, the code storage unit 770 read-only memory of the RFID tag 795. Check the fixed data code stored in the area, and transmits the identified hash code and the fixed data code stored in the read-only memory area of the RFID tag 795 through the communication unit 735 to the authentication server 700 on the communication network In addition, the hash code and the fixed data code are stored in the storage medium 705 managed by the authentication server 700 in association with each other.

According to another exemplary embodiment of the present invention, the code storage unit 770 checks the fixed data code stored in the read-only memory area of the RFID tag 795, and the memory unit 725 provided in the RFID terminal 710. ) Can be stored in association with the identified hash code and a fixed data code stored in a read-only memory area of the RFID tag 795, whereby the present invention is not limited thereto.

8 is a diagram illustrating a process of reading a variable data code from an RFID tag 795 according to an embodiment of the present invention.

In more detail, FIG. 8 receives a hash code from the authentication server 700 through authentication of the access right of the RFID tag 795 through the authentication server 700 in the RFID terminal 710 illustrated in FIG. The process of reading the variable data code from the RFID tag 795 by authenticating an access right to the variable data code stored in the RFID tag 795 through the hash code is shown. Those skilled in the art will be able to infer various implementation methods for reading a variable data code from the RFID tag 795 by referring to and / or modifying the drawing of FIG. It is made to include all the implementation methods, the technical features are not limited only to the implementation method shown in FIG.

Referring to FIG. 8, the RFID terminal 710 illustrated in FIG. 7 obtains an access right to the RFID tag 795 through the authentication server 700 (800).

If the access right to the RFID tag 795 is obtained (805), the RFID terminal 710 reads a fixed data code from the RFID tag 795 via the RFID reader 773 (810), In order to read the variable data code included in the RFID tag 795, the read fixed data code is transmitted to the authentication server 700 on the communication network (820). The authentication server 700 corresponds to a storage medium ( In step 705, the hash code associated with the fixed data code is identified and transmitted to the RFID terminal 710 (825).

According to another exemplary embodiment of the present invention, when the access right for the RFID tag 795 is not obtained in the process of reading the fixed data code, the RFID terminal 710 accesses the RFID tag 795. After pre-authenticating the authority, it is preferable to transmit the read fixed data code to the authentication server 700.

Thereafter, the RFID terminal 710 transmits the hash code to the RFID tag 795 through the RFID reader 773 (830), and correspondingly, the RFID tag 795 corresponds to the read / write memory area. A hash code for the variable data code stored in the generated data is generated or the hash code stored in the memory configuration information area is checked (835).

Thereafter, the RFID tag 795 authenticates the access right to the variable data code by comparing the generated (or confirmed) hash code with the hash code received through the RFID reader 773 (840).

If the access right for the variable data code is not authenticated (845), the RFID tag 795 generates access right authentication error information for the variable data code and the RFID terminal (773) through the RFID reader (773). And transmits to 710.

On the other hand, if the access right for the variable data code is authenticated (845), the RFID tag 795 extracts the variable data code information from the read / write memory area and the RFID terminal (773) through the RFID reader (773). And transmits to 710.

9 illustrates a process of verifying a variable data code read from an RFID tag 795 according to an embodiment of the present invention.

In detail, FIG. 9 illustrates a case where the RFID terminal 710 illustrated in FIG. 7 reads the variable data code from the RFID tag 795 through the variable data code reading process illustrated in FIG. 8. Regarding the process of authenticating the read variable data code through a hash code at 710, a person having ordinary knowledge in the art to which the present invention pertains refers to the RFID tag by referring to and / or modifying the figure 9. Although various implementation methods for the process of verifying the variable data code read from 795 may be inferred, the present invention includes all the implementation methods inferred above, and only the implementation method shown in FIG. The technical features are not limited.

Referring to FIG. 9, when a variable data code is read from the RFID tag 795 through the variable data code reading process illustrated in FIG. 8, the RFID terminal 710 is received through the RFID reader 773. A hash code is generated by hashing a variable data code (900), and the validity of the variable data code is authenticated (905) by comparing the generated hash code with the hash code received from the authentication server 700.

If the validity of the variable data code is not authenticated (910), the RFID terminal 710 discards the variable data code through the RFID reader 773 (915).

On the other hand, if the validity of the variable data code is authenticated (910), the RFID terminal 710 performs information processing on the variable data code read through the RFID reader 773 (925).

According to the present invention, by dynamically dividing and reconfiguring the RFID tag memory to store RFID code information and one or more forward logistics information and one or more reverse logistics information in one RFID tag, Integrate all areas of forward logistics including production, distribution and sale of goods with the RFID tag and reverse logistics including recovery, distribution and disposal of the goods, as well as the identification of goods through a single RFID tag. There is an advantage to manage.

According to the present invention, when information that may cause privacy in addition to RFID code information is stored in one RFID tag by dynamically dividing and reconfiguring the RFID tag memory, the RFID tag may be configured as an RFID tag through authentication of access rights to the privacy infringement information. There is an advantage in preventing the invasion of privacy.

1 is a diagram illustrating a functional configuration of an RFID tag having a fixed data code and a variable data code according to an embodiment of the present invention.

2 is a diagram illustrating a memory configuration of an RFID tag dynamically partitioned according to an embodiment of the present invention.

3 is a diagram illustrating an operation process of an RFID tag for dynamically dividing and reconfiguring a memory according to an exemplary embodiment of the present invention.

4 is a diagram illustrating a functional configuration of an RFID terminal for dynamically dividing and reconfiguring a memory of an RFID tag according to an exemplary embodiment of the present invention.

5 is a diagram illustrating a process of dynamically dividing and reconfiguring an RFID tag memory according to an exemplary embodiment of the present invention.

FIG. 6 is a diagram illustrating an information recording process in an RFID segment memory having been dynamically partitioned according to an embodiment of the present invention.

FIG. 7 is a diagram illustrating a functional configuration of an RFID terminal accessing a variable data code storage area of an RFID tag memory dynamically reconfigured according to an embodiment of the present invention.

8 is a diagram illustrating a process of reading a variable data code from an RFID tag according to an embodiment of the present invention.

9 is a diagram illustrating a process of verifying a variable data code read from an RFID tag according to an embodiment of the present invention.

<Description of main parts of drawing>

100: RFID tag 105: control unit

110: memory access control unit 115: memory configuration control unit

120: memory section 125: receiving section

130: transmitting unit 135: power supply unit

140: antenna unit

Claims (12)

In the memory access method provided in the RFID tag, Dividing the memory area into a first memory area storing memory configuration information, a second memory area storing fixed data codes, and a third memory area storing variable data codes; Storing second memory configuration information and third memory configuration information in the first memory area; Storing a fixed data code in the second memory area and deactivating a write function; And Storing a variable data code in the third memory area, generating a hash code corresponding to the stored variable data code, and storing the hash code in the first memory area; And storing the fixed data code and the hash code in association with the storage data in a storage medium. The method of claim 1, When reading the variable data code stored in the third memory area, Identifying a fixed data code stored in the second memory area; Identifying a hash code associated with the fixed data code in association with the storage medium; Checking whether a hash code stored in the first memory area matches the identified hash code; And if the hash code matches, processing the variable data code stored in the third memory area to be read. The method of claim 1, In the case where the variable data code stored in the third memory area is added / updated and stored, Identifying a fixed data code stored in the second memory area; Identifying a hash code associated with the fixed data code in association with the storage medium; Checking whether a hash code stored in the first memory area matches the identified hash code; If the hash code matches, adding / updating and storing the variable data code stored in the third memory area; Generating a hash code corresponding to the variable data code stored in the third memory area and storing the hash code in the first memory area; And And processing the fixed data code and the hash code in association with the fixed data code to be stored in a storage medium. The method of claim 1, Dividing the memory area further including an Nth (N> = 4) memory area; And And storing the Nth (N> = 4) memory configuration information in the first memory area. The method of claim 1, wherein the memory configuration information, And at least one memory address information including at least one start address information and at least one end address information of a memory area, and at least one memory reconfiguration authentication information for authenticating a right to reconfigure the memory. . The method of claim 1, wherein the memory configuration information, And the write deactivation information for the second memory area. The method of claim 1, wherein the fixed data code, A dynamic segmented RFID memory access method comprising an RFID code. The method of claim 1, wherein the variable data code, And at least one forward logistics activity information and at least one backward logistics activity information. A computer-readable recording medium having recorded thereon a program for executing the method of claim 1. A first memory area for storing memory configuration information, a second memory area for storing fixed data codes, and a third memory area for storing variable data codes, wherein the first memory area stores memory configuration information. A memory unit which stores a hash code corresponding to the stored variable data code; A receiving unit for receiving a command for accessing a variable data code from an RFID terminal and a hash code corresponding to the variable data code stored in the third memory area; A memory access control unit configured to compare the received hash code with a hash code stored in the first memory area and to match the hash code, and to process the RFID terminal to access the third memory area if the hash code matches. RFID tag, characterized in that made by. An RFID terminal wirelessly communicating with an RFID tag having a memory divided into a first memory area storing memory configuration information, a second memory area storing fixed data codes, and a third memory area storing variable data codes. In A code transmitter for transmitting a fixed data code read from the RFID tag to an authentication server operating a storage medium for storing the fixed data code and the hash code corresponding to the variable data code; A code receiving unit receiving a hash code stored in a storage medium in association with the fixed data code from the authentication server; And an access right obtaining unit which transmits the hash code to the RFID tag to obtain access right to the variable data code. An RFID terminal wirelessly communicating with an RFID tag having a memory divided into a first memory area storing memory configuration information, a second memory area storing fixed data codes, and a third memory area storing variable data codes. In A code transmitter for transmitting a fixed data code read from the RFID tag to an authentication server operating a storage medium for storing the fixed data code and the hash code corresponding to the variable data code; A code receiving unit receiving a hash code stored in a storage medium in association with the fixed data code from the authentication server; When a variable data code is read from the RFID tag, a hash code is generated by hashing the read variable data code, and the validity of the read variable data code is verified by comparing the generated hash code with the received hash code. RFID authentication terminal; comprising a.