KR100860408B1 - Method and Apparatus for signaling with smart card using wireless communication - Google Patents

Abstract

The present invention relates to a method for performing signal processing with a smart card, and in particular, in order to easily perform signal processing with a smart card using wireless communication without replacing the smart card in the smart card reader of the terminal, When a request including a card command is received, it is encrypted and transmitted to the smart card reader through wireless communication, the smart card reader decrypts the encrypted work request and then delivers it to the smart card, and the smart card is transferred to the work request. When a task request response message including a result of performing the required task is delivered to the smart card reader, the smart card reader encrypts it again and delivers it to the wireless transmitter / receiver through wireless communication, and the wireless transmitter / receiver Cancer Received Through Wireless Communication Network The decrypted work request response message is decrypted and provided to the terminal.

Smart Card, Terminal, Encryption, Reader

Description

Method for performing signal processing with smart card using wireless communication and device therefor {Method and Apparatus for signaling with smart card using wireless communication}

1 is an overall system configuration for performing signal processing with a smart card using wireless communication according to an embodiment of the present invention;

2 is a block diagram illustrating the structure of a smart card reader for performing signal processing with a smart card using wireless communication according to another embodiment of the present invention;

3 is a block diagram illustrating a structure of a wireless transmitting / receiving device for performing signal processing with a smart card using wireless communication according to another embodiment of the present invention.

4 is a flowchart illustrating a process of performing signal processing with a smart card through wireless communication using a smart card reader according to another embodiment of the present invention;

5 is a flowchart illustrating a process of performing signal processing with a smart card using wireless communication using a wireless transmitter / receiver according to another embodiment of the present invention;

6 is a block diagram illustrating a procedure of one terminal performing signal processing with one smart card using wireless communication according to another embodiment of the present invention; and

FIG. 7 is a flowchart illustrating a key generation method for data encryption and integrity checking between a smart card reader and a wireless transceiver according to another embodiment of the present invention.

The present invention relates to a method for performing signal processing with a smart card, and in particular, wireless communication that can easily perform signal processing with one smart card in two or more terminals even if the smart card is not removed and moved to the smart card reader of another terminal. It relates to a method for performing signal processing with a smart card using.

A smart card is an IC (Integrated Circuit) card in the form of a credit card that can store and compute various digital information by embedding a central processing unit and various memory devices. It consists of read only memory (RAM), random access memory (RAM), electrically erasable and programmable read only memory (EEPROM), or flash memory, and acts as a small computer without input and output devices.

The entire system for providing a service using a smart card includes a smart card, a smart card terminal equipped with a host application, a smart card reader for communication connection between a smart card and a card terminal, a server providing the service, and a smart card terminal and a server. It includes a network for communication connection.

The smart card is equipped with a smart card application in the smart card application area on the IC chip. The smart card reader transmits an APDU (Application Protocol Data Unit) packet corresponding to the smart card command from the smart card terminal to the smart card. The smart card and the smart card terminal are connected by transmitting an APDU packet corresponding to the smart card response from the card to the smart card terminal. Accordingly, the host application transmits a smart card command to at least one smart card application mounted on the smart card through an APDU packet, and receives the smart card response generated by the smart card application in response to the smart card response. To handle the mission.

Conventional smart card readers are attached to smart card terminals or wired to the terminals. At this time, when the user needs to move the smart card to another smart card terminal occurs, according to the prior art unavoidably remove the smart card from the smart card reader attached to the terminal to the smart card reader attached to the other terminal Because of the need to move, there has been a problem that each smart card must be moved to a smart card reader attached to another terminal in order to use one smart card in multiple terminals.

In addition, in the case of using two or more smart cards in one terminal, according to the prior art, there is a problem that a smart card to be used is removed from an existing smart card from a smart card reader attached to the terminal.

A first object of the present invention for solving the above problems is a method that can easily perform signal processing with one smart card in two or more terminals even without removing the smart card and moving to a smart card reader of another terminal It is to provide a device for.

It is also a second object of the present invention to provide a method and an apparatus for easily performing signal processing with a smart card without replacing two or more smart cards in the terminal.

In order to achieve the object of the present invention as described above, a method for performing signal processing with a smart card using the wireless communication of the present invention,

A1 step of receiving a smart card command transmitted from a terminal from a wireless transmitter / receiver connected to the terminal through a wireless communication network;

A a2 step of decrypting the smart card command received in the a1 step with a security key;

A3 step of transmitting the decrypted smart card command to the smart card and receiving a smart card response thereto;

A4 step of encrypting the smart card response received in the step a3 with a security key; And,

And step a5 of transmitting the smart card response encrypted in the step a4 to the terminal through a wireless communication network.

In addition, in order to achieve the object of the present invention as described above, a method for performing signal processing with a smart card using the wireless communication of the present invention,

A first step in which the wireless transmitter / receiver receives a smart card command from a terminal;

Retrieving information about the smart card and encrypting the smart card command with a security key;

A third step of sending the encrypted smart card command to a corresponding smart card through a wireless communication network, and receiving a smart card response from the smart card reader;

And a fourth step of decrypting the smart card response received in the third step with a security key and transmitting the same to the terminal.

In addition, in order to achieve the object of the present invention as described above, the smart card reader of the present invention,

A control unit for providing a smart card command received through a wireless communication network to a smart card and controlling signal processing associated with a process of sending a smart card response to the smart card command through a wireless communication network;

A wireless transmitting / receiving unit performing data transmission and reception through a wireless communication network;

A wired interface for transmitting and receiving data through a wired communication network; And,

It comprises a smart card interface that connects between the smart card and the smart card reader.

In addition, in order to achieve the object of the present invention as described above, the wireless transmitting / receiving device of the present invention,

A wireless transmitting / receiving unit which is responsible for transmitting and receiving data with a smart card reader through a wireless communication network;

A wired interface in charge of data transmission and reception with a terminal through a wired communication network; And,

I / O control module and authentication algorithm that manages the wireless transmission / receiving unit and wired interface, and performs security related tasks such as encryption or decryption by using security key to perform communication data protection during wireless communication. It is configured to include a control unit including a security module.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing in detail the operating principle of the preferred embodiment of the present invention, if it is determined that the detailed description of the related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. The same reference numerals are used for parts having similar functions and functions throughout the drawings.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

In addition, the term module described herein refers to a unit for processing a specific function or operation, which may be implemented in hardware or software, or a combination of hardware and software.

1 is an overall system configuration diagram for performing signal processing with a smart card using wireless communication according to an exemplary embodiment of the present invention, and is a view for explaining the correlation between the components of the system. .

Referring to FIG. 1, the system includes a mobile communication terminal 110, a personal terminal 120, a smart card reader 200, a smart card 300, and a wireless transmitter / receiver 400.

The mobile communication terminal 110 is a small and lightweight wireless communication device so that an individual can carry it anytime and anywhere, such as a mobile phone or a PDA, and the personal terminal 120 is a personal user such as a personal computer (PC) or a network terminal. An apparatus that provides an environment in which an application can be performed to execute a desired task, and generates a smart card command for requesting at least one smart card application mounted in an application area of the smart card 300 to perform a specific task, and The smart card application runs to receive the smart card response it generates. At this time, one or two or more terminals using one smart card may exist, and one or two or more smart cards may be used by one terminal.

The smart card reader 200 is connected to the smart card in a form capable of transmitting and receiving data, and receives the smart card command from the mobile communication terminal 110 or the personal terminal 120 through a wireless communication network to the smart card 300. The smart card response of the smart card 300 to the smart card command is received and sent to the mobile communication terminal 110 or the personal terminal 120 through a wireless communication network. In this case, although the smart card reader 200 transmits and receives data through the personal terminal 120 and the wireless communication network, the smart card reader 200 and the personal terminal 120 in a preferred embodiment applicable to the present invention. The data communication method that can be performed between the terminals is not limited to wireless communication, but may be applied to a case of communicating through a wired communication network such as a universal serial bus (USB) or a serial connection.

The wireless transmitter / receiver 400 transmits a smart card command sent from the mobile communication terminal 110 or the personal terminal 120 to the smart card 300 to the smart card reader 300 through a wireless communication network. The smart card response transmitted from the smart card reader 300 through the wireless communication network is provided to the mobile communication terminal 110 or the personal terminal 120. To this end, the wireless transmitter / receiver 400 is preferably connected to the smart card connection terminal of the mobile communication terminal 110 or personal terminal 120. In this case, the wireless transmitting / receiving unit 400 may be attached to or included in the mobile communication terminal 110 or the personal terminal 120, or may be separated as a separate device.

In a preferred embodiment applicable to the present invention, the wireless communication network between the smart card reader 200 and the wireless transmitter / receiver 400 may transmit information such as signal, code, video, audio, etc. through radio waves instead of wires. Any method that can be communicated can be used any method that can be easily conceived by those skilled in the art to which the present invention pertains. For example, radio frequency communication, Bluetooth communication, or ZigBee may be mentioned.

When the smart card 300 receives the smart card command transmitted from the mobile communication terminal 110 or the personal terminal 120 through the smart card reader 200, the smart card is mounted on the smart card 300 An application processes the smart card command to generate a smart card response, and then transmits it to the mobile communication terminal 110 or the personal terminal 120 through the smart card reader 200.

2 is a block diagram illustrating a structure of a smart card reader for performing signal processing with a smart card using wireless communication according to another embodiment of the present invention.

Referring to FIG. 2, the smart card reader 200 includes a controller 210, a wireless transmitter / receiver 220, a wired interface 230, a power supply 240, and a smart card interface 250. In this case, although the smart card reader 200 is shown in communication with one smart card 300, the smart card reader 200 according to an embodiment of the present invention is two or more at the same time Each may be connected to and communicate with the different smart card 300.

The control unit 210 provides a smart card command received through the wireless communication network to the smart card 300, and controls the signal processing associated with the process of sending a smart card response to the smart card command through the wireless communication network As a component for the following, the reader chip 211, the security module 212, and an input / output control module (I / O control module) 213 are configured. The reader chip 211 reads packet data exchanged with the smart card 300 through the smart card interface 250, and the security module 212 performs communication data protection when performing authentication algorithms and performing wireless communication. Security-related operations such as encryption or decryption are performed using the security key, and the I / O control module 213 manages the wireless transmitter / receiver 220 and the wired interface 230. In this case, the security key used in the security module 212 is a smart card reader and the wireless transmitter / receiver mutually to encrypt or decrypt data transmitted and received between the smart card reader 200 and the wireless transmitter / receiver 400. It creates and stores each secure tunnel through authentication.

In a preferred embodiment applicable to the present invention, when the smart card reader 200 is connected to two or more different smart cards at the same time to perform data communication, the controller 210 may be configured to include the plurality of smart cards. The method may further perform a function of selecting a corresponding smart card to process the received smart card command.

The wireless transmitter / receiver 220 and the wired interface 230 are in charge of a process in which the smart card reader 200 performs data communication with a mobile communication terminal or a user terminal. That is, the wireless transmitter / receiver 220 is responsible for data transmission and reception through a wireless communication network such as radio frequency communication, Bluetooth communication, or ZigBee, and the wired interface 230 is a general-purpose serial bus. It is responsible for data transmission and reception through wired communication network such as (USB) or serial connection.

The smart card interface 250 transmits an APDU (Application Protocol Data Unit) packet corresponding to a smart card command to the smart card 300, and receives an APDU packet corresponding to a smart card response from the smart card 300. It connects between the smart card 300 and the smart card reader 200 through the process. In this case, although the smart card interface 250 is illustrated as one in communication with the smart card in FIG. 2, the smart card reader 200 according to an embodiment of the present invention has two or more smart card interfaces ( 250 may be connected to different smart cards to perform data communication.

3 is a block diagram illustrating a structure of a wireless transmitting / receiving device for performing signal processing with a smart card using wireless communication according to another embodiment of the present invention.

Referring to FIG. 3, the wireless transmitter / receiver 400 includes a controller 410, a wireless transmitter / receiver 420, and a wired interface 430. The wireless transmitter / receiver 400 according to an embodiment of the present invention performs data communication with a terminal such as a mobile communication terminal or a user terminal through a wired interface 430, and uses a smart card reader and a wireless transmitter / receiver 420. Perform data communication via

The control unit 410 performs an input / output (I / O) control module 412 managing the wireless transmission / reception unit 420 and the wired interface 430 and the authentication algorithm and to perform communication data protection when performing wireless communication. It includes a security module 411 in charge of security-related tasks such as encryption or decryption using a security key. At this time, the security key used in the security module 411 is the wireless transmitter / receiver and the smart card reader mutually in order to encrypt or decrypt data transmitted and received between the wireless transmitter / receiver 400 and the smart card reader 200. It creates and stores each secure tunnel through authentication.

In a preferred embodiment applicable to the present invention, the control unit 410 is a smart card provided from the mobile communication terminal or a personal terminal when two or more smart cards that can be used by the mobile communication terminal or personal terminal Identification information about the smart card to perform the operation according to the command can be collected.

The wireless transmitter / receiver 420 is responsible for data transmission and reception with a smart card reader through a wireless communication network such as radio frequency communication, Bluetooth communication, or ZigBee, and wired interface 430. Is responsible for data transmission and reception with a mobile communication terminal or a user terminal through a wired communication network such as a universal serial bus (USB) or a serial connection. In this case, the wired interface 430 is connected to a smart card connection terminal of the mobile communication terminal or personal terminal, receives a smart card command generated by the mobile communication terminal or personal terminal, and transfers the corresponding smart card response. It is desirable to provide a communication terminal or a personal terminal.

In a preferred embodiment applicable to the present invention, the wireless transmitting / receiving unit 400 may be attached to or included in the mobile communication terminal or personal terminal, or may be separately present as a separate device.

4 is a flowchart illustrating a process of performing signal processing with a smart card through wireless communication using a smart card reader according to another embodiment of the present invention.

Referring to FIG. 4, first, the smart card reader receives a smart card command sent from a mobile communication terminal or a personal terminal (hereinafter referred to as a 'terminal') from a wireless transmitter / receiver connected to the terminal through a wireless communication network. Receive (S100).

When the smart card command is received through the step S100, it is checked whether the terminal that has sent the smart card command is a legitimate user (S101). This is a process of checking whether the terminal that has sent the smart card command has the right authority to perform a specific task using the smart card. If it is determined in step S101 that the terminal is not a legitimate user, the procedure is performed. Quit.

If it is confirmed through the step S101 that the user is a legitimate user decrypts the smart card command with a security key (S102). The security key is generated and stored while the smart card reader and the wireless transmitter / receiver form a secure tunnel through a mutual authentication process in order to encrypt or decrypt data transmitted and received between the smart card reader and the wireless transmitter / receiver. It is.

In this case, when there are two or more smart cards that can be used by the terminal, the method may further include retrieving identification information regarding the smart card to perform the operation according to the smart card command between steps S101 and S102. have.

Next, the smart card command decrypted through the step S103 is transferred to the corresponding smart card determined based on the information retrieved in the step S102 (S104), and a smart card response is received (S105). The smart card response is an execution result value of the smart card application for the smart card command.

After the smart card response is received through step S105, the terminal searches for information on the terminal to receive the smart card response (S106), and then encrypts the smart card response with a security key and transmits it to the terminal (S107). At this time, step S107 is performed using the same wireless communication network as when receiving the smart card command in step S100.

5 is a flowchart illustrating a process of performing signal processing with a smart card using wireless communication in a wireless transmitter / receiver according to another embodiment of the present invention.

Referring to FIG. 5, first, a wireless transmitter / receiver receives a smart card command from a terminal (S200). In this case, the wireless transmitter / receiver is a wireless transmitter / receiver connected to the terminal, and in particular, it is preferably directly connected to the smart card connection unit of the terminal.

When the smart card command is received through the step S200, it is checked whether the terminal is a legitimate user of the smart card to perform the smart card command (S201). The step S201 is a process of confirming whether the terminal that has sent the smart card command has a right to use the smart card. If it is determined in step S201 that the user is not a legitimate user, the procedure ends.

When the terminal is a legitimate user who uses the smart card through step S201, the terminal searches for information on the smart card (S202), encrypts the smart card command with a security key (S203), and then establishes a wireless communication network. The encrypted smart card command is sent to the corresponding smart card (S204). At this time, in step S204, the encrypted smart card command is transmitted to the smart card reader connected to the smart card through the wireless communication network.

Next, when the wireless transmitting / receiving unit receives a smart card response from the smart card reader through a wireless communication network (S205), the user connected to the wireless transmitting / receiving unit sends a smart card response to the legitimate user of the smart card. Check whether or not (S206). The step S206 is a process of confirming whether the terminal has a right to use the smart card or is a smart card response to the smart card command sent from the terminal. If so, the procedure is terminated.

If it is determined through the step S206 that the user is a legitimate user, by searching for information on the smart card to perform the smart card command (S208), and decrypts the smart card response with a security key (S208), the terminal (S209)

FIG. 6 is a block diagram illustrating a procedure in which one terminal performs signal processing with one smart card using wireless communication according to another embodiment of the present invention. At this time, a secure tunnel 500 is formed between the wireless transmitter / receiver 400 and the smart card reader 200 to protect messages transmitted and received wirelessly.

Referring to FIG. 6, first, the wireless transmitter / receiver 400 receives a job request from a terminal 100 such as a mobile communication terminal or a user terminal (S400). The job request is a request for a specific job to one or more smart card applications embedded in the smart card 300, and includes a corresponding smart card command.

The wireless transmitter / receiver 400 receiving the work request encrypts the work request (S401), and then transmits the work request to the smart card reader 200 through wireless communication (S402). In this case, the wireless transmitter / receiver may generate a message authentication code (MAC) for integrity check and transmit the MAC to the smart card reader 200 together with the work request.

The smart card reader 200 having received the encrypted work request according to the step S402 decrypts the encrypted work request (S403), and then transfers the encrypted work request to the smart card 300 (S404). In this case, when the MAC is included in the work request received in step S403, the integrity check may be performed through the MAC.

The smart card 300 performs the necessary work according to the transferred work request (S405), and then transmits a work request response message including the result value to the smart card reader 200 (S406).

In step S406, the smart card reader 200 that receives the work request response message from the smart card 300 encrypts the work request response message (S407), and wirelessly transmits / receives the receiver 400 through wireless communication. Transfer to (S408). In this case, the smart card reader 200 may generate a MAC for integrity check and transmit the MAC to the wireless transmitter / receiver 400 together with the response message.

Next, the wireless transmitter / receiver 400 decrypts the encrypted work request response message received through the wireless communication network (S409), and provides it to the terminal 100. In this case, when the MAC is included in the response message received in step S409, the integrity check may be performed through the MAC.

7 is a flowchart illustrating a key generation method for data encryption and integrity checking between a smart card reader and a wireless transceiver according to another embodiment of the present invention.

Referring to FIG. 7, the wireless transmitter / receiver 400 and the smart card reader 200 may be previously issued a key necessary for authentication (S500). In this case, the key may be issued and stored and managed when the wireless transmitter / receiver 400 and the smart card reader 200 are manufactured. In this case, when the wireless transmitter / receiver 400 is attached to a terminal, a software or hardware module that is in charge of storing, security and management of at least one required for the authentication may be installed or attached to the terminal.

The wireless transmitter / receiver 400 and the smart card reader 200, which have received the key for authentication through the step S500, perform an authentication algorithm with each other before starting the wireless communication (S501). In the preferred embodiment applicable to the present invention, if the authentication algorithm is an authentication method that can provide security between devices communicating over a wireless network, those skilled in the art will readily appreciate. Any method that one can think of can be used. For example, cryptographic algorithms such as message digest algorithm 5 (MD5), Data Encryption Standard (DES), Rivest-Shamir-Adelman (RSA), digital signature algorithm (DSA), or Transport Layer Security (TLS), Authentication and Key Agreement. Mutual authentication algorithms such as In this case, the mutual authentication algorithm can provide a higher level of security since the wireless transmitter / receiver and the wireless smart card reader authenticate each other.

As a result of determining the result of the authentication algorithm performed through the step S501 (S502, S503), if it is determined that the authentication has failed, the authentication failure process is performed and the procedure is stopped (504), if the authentication is successful, the wireless transmitter / receiver A security key for protecting the wireless communication between the 400 and the smart card reader 200 is generated (S505). At this time, the security key generation step of step S505 is carried out through the same algorithm on the wireless transmitter / receiver 400 and the smart card reader 200, respectively, the same security key is generated so that the wireless transmitter / receiver 400 and smart Each is stored in the card reader 200.

After the security key is generated through step S505, data transmitted and received between the wireless transmitter / receiver 400 and the smart card reader 200 is encrypted and decrypted through the security key, and data integrity is checked (S506). ). That is, since a secure tunnel is formed between the wireless transmitter / receiver and the wireless smart card reader, all data transmitted and received after successful authentication can be safely protected from an external attack.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those skilled in the art.

According to the present invention, when two or more terminals perform signal processing with one smart card, even if a smart card used in one terminal is to be used in another terminal, the smart card reader of another terminal is removed by removing the smart card from the existing terminal. It is possible to easily signal processing one smart card in two or more terminals without moving to.

In addition, when performing signal processing with two or more smart cards in one terminal, even if a new smart card is to be used, the signal processing can be easily performed without removing the existing smart card and replacing it with a new smart card. Can be.

Claims (20)

A first step of receiving a key necessary for authentication in advance and performing an authentication operation with a wireless transmitter / receiver to be connected to a terminal through the key required for authentication; A second step of, if the authentication operation is successfully performed, generating and storing a security key therein for protecting wireless communication with the wireless transmitter / receiver; Receiving a smart card command generated by the terminal and transmitted wirelessly after being encrypted by the wireless transmitter / receiver; A fourth step of decrypting the smart card command received in the third step with the security key; Transmitting a smart card command decrypted through the fourth step to the smart card, and then receiving a smart card response thereto; And Encrypting the smart card response received in the fifth step with the security key, and then performing signal processing with the smart card using wireless communication of the smart card reader, the sixth step of transmitting to the wireless transmitter / receiver wirelessly. Way. delete The method of claim 1, And the terminal further comprises means for the storage, security, and management of the keys required for the authentication. The method for signal processing with a smart card using wireless communication of a smart card reader. The method of claim 1, The first step includes message digest algorithm 5 (MD5), Data Encryption Standard (DES), Rivest-Shamir-Adelman (RSA), digital signature algorithm (DSA), Transport Layer Security (TLS), and Authentication and Key Agreement (AKA). A method for performing signal processing with a smart card using wireless communication of a smart card reader, characterized in that the authentication operation with the wireless transmitter / receiver is performed through any one authentication algorithm selected from among them. The method of claim 1, When the smart card command is received between the third step and the fourth step, it is determined whether the terminal that has sent the smart card command is a legitimate user, and the terminal that has sent the smart card command is identified using the smart card. A method of performing signal processing with a smart card using wireless communication of a smart card reader, characterized by further comprising: checking whether there is a legitimate right to perform a task. The method of claim 1, Retrieving identification information about a smart card to perform an operation according to the smart card command, when there are two or more smart cards available to the terminal between the fourth and fifth steps. And performing signal processing with the smart card using wireless communication of the smart card reader. Receiving a key necessary for authentication and performing an authentication operation with a smart card reader through the key required for authentication; A second step of, if the authentication operation is successfully performed, generating and storing a security key therein for protecting wireless communication with the smart card reader; Receiving a smart card command from the terminal; A fourth step of identifying the smart card reader corresponding to the smart card command and encrypting the smart card command through the security key corresponding to the identified smart card reader; A fifth step of wirelessly sending the encrypted smart card command to the identified smart card reader and wirelessly receiving a smart card response thereto; The smart card using the wireless communication of the wireless transmitter / receiver comprising a sixth step of decrypting the smart card response received in the fifth step with the security key corresponding to the identified smart card reader to the terminal; And a signal processing method. delete The method of claim 7, wherein And the terminal further comprises means for the storage, security, and management of the keys required for the authentication. The method for signal processing with a smart card using wireless communication of a wireless transmitter / receiver. The method of claim 7, wherein The first step includes message digest algorithm 5 (MD5), Data Encryption Standard (DES), Rivest-Shamir-Adelman (RSA), digital signature algorithm (DSA), Transport Layer Security (TLS), and Authentication and Key Agreement (AKA). A method for performing signal processing with a smart card using wireless communication of a wireless transmitter / receiver, characterized in that the authentication operation with the smart card reader is performed through any authentication algorithm selected from among them. The method of claim 7, wherein When the smart card command is received between the third step and the fourth step, it is determined whether the terminal that has sent the smart card command is a legitimate user, and the terminal that has sent the smart card command is identified using the smart card. A method for performing signal processing with a smart card using wireless communication of a wireless transmitter / receiver, further comprising: checking whether there is a legitimate authority to perform a task. A control unit for providing a smart card command received through a wireless communication network to a smart card and controlling signal processing associated with a process of sending a smart card response to the smart card command through a wireless communication network; A wireless transmitting / receiving unit which forms a wireless communication network with at least one wireless / transceiver connected to at least one terminal and performs data transmission / reception; A wired interface for performing data transmission and reception by forming a wired communication network with at least one terminal; And, It includes a smart card interface for connecting between the smart card and the control unit, The control unit, A reader chip that reads packet data to and from a smart card through the smart card interface; Issuing a key required for authentication in advance, performs an authentication operation with the wireless transmitter / receiver using the key required for authentication, and performs a security-related task of encrypting or decrypting data through a security key during wireless communication. Security module; And, And an input / output control module for managing and controlling input / output operations of the wireless transmission / reception unit and the wired interface. delete The method of claim 12, The security module is a smart card reader, characterized in that for storing the security key generated while the smart card reader and the wireless transmitter / receiver form a security tunnel through mutual authentication. The method of claim 12, And at least two smart card interfaces. A wireless transmitter / receiver configured to form a wireless communication network with at least one smart card reader to perform data transmission and reception; A wired interface for performing data transmission and reception by forming a wired communication network with at least one terminal; And, Sending a smart card command sent from the terminal to the smart card reader through a wireless communication network, and receives a smart card response to the smart card command through the wireless communication network to transmit to the terminal A control unit for controlling, The control unit, Security for performing a security operation for encrypting or decrypting data through a security key during wireless communication by receiving a key required for authentication in advance, performing an authentication operation with the smart card reader using the key required for authentication. module; And, And an input / output control module configured to manage and control input / output operations of the wireless transmitter / receiver and the wired interface. delete The method of claim 16, The security module is characterized in that the smart card reader and the wireless transmitter and receiver stores a security key generated while forming a security tunnel through mutual authentication. The method of claim 16, The wired interface is connected to a smart card connection terminal of a mobile communication terminal or a personal terminal, receives a smart card command generated by the mobile communication terminal or a personal terminal, and sends a corresponding smart card response to the mobile communication terminal or a personal terminal. Wireless transmitter and receiver characterized in that it provides. The method of claim 16, A wireless transmitter / receiver characterized in that it is attached to or included in a terminal or is present separately as a separate device.

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