JP4081667B2 - IC card reader - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an IC card reader of an automated device such as an automatic cash transaction apparatus using an IC card.
[0002]
[Prior art]
When a conventional IC card reader receives an execution command for repeatedly executing a search for a status byte designated by the main control unit from the main control unit, the conventional IC card reader executes the execution command, and ISO / IEC7816 from the IC card. Read the status bytes SW1 to SW2 described in the last 2 bytes of the READ RECORD response specified in -4, and when the specified status byte is found, all of the values obtained by executing the execution command to the main control unit Data is returned as a response (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-256442 (page 3-4 [0019]-[0027], FIG. 3)
[0004]
[Problems to be solved by the invention]
However, unlike the status byte described in the specified position, the conventional technology described above is recorded in such a format because the response data from the IC card has an indefinite position of information to be read. When reading information, for example, account information of a customer's transaction card necessary for transactions in an automated teller machine, the response from the IC card is returned to the main control unit each time, and the main control unit searches for necessary information There is a problem that the number of times of communication between the main control unit and the IC card reader increases, and it takes time to read the IC card.
[0005]
In addition, even if the response by the execution command of the conventional example is used, all the data obtained by the execution is returned, so the necessary information is again the account information from all the data returned by the main control unit. And the like need to be retrieved and read, and the reading process takes time.
Further, since all data is returned as a response, the amount of data increases, and there is a problem that it takes time for data communication.
[0006]
The present invention has been made in order to solve the above-described problems, and can read a time required for a reading process for reading necessary information from an IC card even if the position of data to be read is indefinite. An object is to provide an apparatus.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides an IC card reader that reads a file recorded in a recording unit of an IC card through communication with a main control unit, and repeats a registration number in advance corresponding to the registration number. have created a read execution command, the undefined information positions of data to be read, when reading from the files comprising a plurality of records having data objects divided into tag field and a data length field and a data field, The interpreter execution command with the registration number and the designation information to be searched from the main control unit is received, the data object of the record is sequentially read by the repeated read execution command , and the read data object The parameter described in the tag field is the parameter of the specified information. If the existence of the layered data object is described in the tag field, reading the layered data object described in the data field is repeated, and the read data When it is determined that the parameter of the tag field of the object matches the parameter of the designation information, the data object is returned to the main control unit as an interpreter execution response.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of an IC card reader according to the present invention will be described below with reference to the drawings.
FIG. 1 is a flowchart showing an embodiment of the present invention, and FIG. 2 is a block diagram showing an automatic teller machine according to the embodiment.
[0009]
In FIG. 2, 1 is a host computer installed in the center of a financial institution, and through an automatic cash transaction apparatus 2 as an automated device installed in a bank branch or the like and a communication line such as a dedicated line or a telephone line. Connected and manage customer accounts.
Reference numeral 3 denotes a main control unit of the automatic teller machine 2, which is connected to the host computer 1 through a communication line by the communication unit 4, and controls each part in the automatic teller machine 2 to control the transaction and data. It also controls communications.
[0010]
Reference numeral 5 denotes a storage unit that stores a program executed by the main control unit 3, a processing result by the main control unit 3, and the like.
Reference numeral 6 denotes a customer operation unit, which is composed of a combination of a display screen such as a CRT or LCD and a touch panel, etc., and displays a transaction selection screen, a screen for prompting a customer's treatment, etc. Accept input.
[0011]
7 is a card processing unit, a card insertion slot for inserting an IC card, which is a customer transaction card, a conveyance path for conveying the inserted IC card, and file data recorded in the recording unit of the conveyed IC card. Are constituted by an IC card reading device 8 for reading the information, a printer for printing a transaction statement, and the like.
As shown in FIG. 3, the IC card reader 8 has an IC card reading function for transmitting a command for transmitting data recorded in the recording unit to the IC card and receiving a response from the IC card. A card reading unit 8a, a card control unit 8b for controlling the communication and the like, and a card storage unit 8c for storing a program executed by the card control unit 8b are provided.
[0012]
The IC card reader 8 may be any device having an IC card reading function, and even if it has both a writing function, a magnetic card reading head or writing head. May be included at the same time.
A passbook processing unit 9 reads and writes the contents recorded in the magnetic stripe of the customer's passbook inserted from the passbook insertion port, and records the transaction contents in the customer's passbook.
[0013]
Reference numeral 10 denotes a banknote deposit / withdrawal unit that accepts banknotes inserted by customers, discriminates, counts and stores them, and discharges banknotes to be paid out to customers.
Reference numeral 11 denotes a coin deposit / withdrawal unit that accepts coins input by a customer, discriminates, counts and stores them, and discharges coins to be paid to the customer.
FIG. 4 is an explanatory diagram showing the file structure of the IC card according to the embodiment, and shows the structure of the file recorded in the recording unit of the IC card.
[0014]
In the example of FIG. 4, the file has four records, and one record has a data object divided into three fields of T, L, and V.
T is a field that describes a tag indicating the type of data recorded in the data field V of the data object. For example, in the data field V, a magnetic card as a transaction card for customer account information such as a bank name and an account number is recorded. There are descriptions such as when data corresponding to the data recorded in the magnetic stripe (hereinafter referred to as magnetic stripe data) is included, or when the data structure of the data field V is hierarchized. It is stipulated in ISO / IEC7816-6, the Zenginkyo specification, etc.
[0015]
L is a field describing the data length, and the length of the data described in the data field V is described.
The numbers shown in the record numbers (1) to (4) are subscripts indicating that, for example, T1 is the tag T of the record number (1).
In the data object of record number (1) shown in FIG. 4, it is described that there is a data object layered in the data field V1 in the tag T1, and the tag T11, the data length L11, Two data objects composed of a data field V11 describing only data and a tag T12, a data length L12, and a data field V12 describing only data are layered and recorded.
[0016]
Note that three or more data objects may be recorded in a hierarchical manner.
The data object of record number (2) is composed of a tag T2, a data length L2, and a data field V2 describing only data. The same applies to the record number (3) and the record number (4).
[0017]
As described above, in the data object having the record format TLV, it is determined that the data is described in the order of the tag T, the data length L, and the data field V, but what is recorded in what byte of the data field V? In the file of the IC card recording section, there is a hierarchical data field in which a data object in which the record format is described as TLV exists in the data field V1 as in the record number (1). Data objects having a data field V2 describing only data such as V1 and record number (2) are recorded together.
[0018]
Note that, for the sake of explanation, the record numbers are given to the respective data objects in the order of arrangement, but the record numbers are not described in the actual data object.
The operation of the above configuration will be described.
In the card storage unit 8c of the IC card reading device 8 of the card processing unit 7 according to the present embodiment, an interpreter registration command from the main control unit 3 receives a registration number and an execution command such as a reading process corresponding to the registration number. A registration area is reserved for registration.
[0019]
In the following, the present embodiment will be described with reference to the flowchart shown in FIG.
First, pre-processing will be described.
The main control unit 3 of the automatic teller machine 2 reads the IC card repeatedly, starting from the record number (1) and increasing the record number in order until the tag T specified by the parameter is found repeatedly. An interpreter registration command in which a registration number is attached to the execution command is transmitted to the IC card reader 8.
[0020]
The card control unit 8b of the IC card reader 8 that has received this stores the repeated read execution command of the interpreter registration command in the registration area of the card storage unit 8c in association with the registration number, and the end of registration as an interpreter registration response. Transmission to the main control unit 3 ends the registration.
Thus, a repeated reading execution command corresponding to the registration number is registered in advance in the IC card reader 8.
[0021]
Note that execution commands for a plurality of other processes are also registered in the registration area, and these execution commands are configured to be rewritable according to instructions from the main control unit 3.
The IC card reading process will be described below.
When the automatic teller machine 2 starts dealing with a customer and the customer inserts an IC card, which is a transaction card, into the card processing unit 7, the main control unit 3 that has detected this detects customer account information as necessary information. In order to acquire the described magnetic stripe data, a command for instructing a reading operation of the IC card, a registration number of a repeated reading execution command used for executing the reading process, and a tag T “5F61” as designation information to be searched for An interpreter execution command composed of parameters is transmitted to the IC card reader 8.
[0022]
The tag T “5F61” is the description content of the tag T defined in the Zenginkyo specification as indicating that the data described in the data field V1 is magnetic stripe data.
The card control unit 8b of the IC card reading device 8 that has received the interpreter execution command extracts the registration number from the interpreter execution command, reads the repeated reading execution command registered in the card storage unit 8c corresponding to the registration number, The read execution command is repeatedly executed with “5F61” extracted from the parameter as the designated tag T.
[0023]
That is, the card control unit 8b creates a READ RECORD command composed of the class byte CLA, the instruction byte INS, the parameter byte P1, the parameter byte P2, and Le indicating the data length returned from the IC card, and the card reading unit 8a To the IC card.
Note that “01H” indicating the record number (1) is described in the parameter P1 of the READ RECORD command.
[0024]
The IC card that has received the READ RECORD command recognizes that the data requested by “01H” described in the parameter P1 is the record number (1), and records the record number (1 from the file shown in FIG. 4 of the recording unit). ) Tag T1 “7F60”, data length L1, and data field V1 are extracted.
[0025]
Then, “9000” indicating that data extraction has been normally performed as the status bytes SW1 to SW2 is added to this to create a READ RECORD response, which is transmitted to the card reading unit 8a.
The card control unit 8b that has received the READ RECORD response by the card reading unit 8a reads the tag T1 and compares it with the designated tag T to determine the mismatch.
[0026]
At this time, the card control unit 8b recognizes that the data field V1 is hierarchized because the tag T1 is “7F60”, and reads the tag T11 described at the top of the data field V1. When T11 also does not match the specified tag T, the tag T12 described next to the data field V11 is read with reference to the data length L11, the same determination is performed, and the data to be read is stored in the data field V1. After confirming that the data length L1 has been reached, it is recognized that the tag T “5F61” does not exist anywhere in the data object with the record number (1), and the process proceeds to the next step.
[0027]
If there are more data objects in the data field V1 or if the data structure is further hierarchized, the tag T of the data object recorded in the data field V1 until the data length L1 is reached in the same manner as described above. Is compared with the designated tag T for determination.
The card control unit 8b that has proceeded to the next step creates a READ RECORD command in which “02H” indicating the record number (2) is described in the parameter P1 and the record number is incremented by 1 in accordance with the repeated reading execution command. Similarly, the data is transmitted again to the IC card.
[0028]
In the same manner as described above, the IC card extracts a data object consisting of the tag T2 “5F61”, the data length L2, and the data field V2 of the record number (2), and adds “9000” as the status bytes SW1 to SW2 thereto. A RECORD response is created and transmitted to the card reading unit 8a.
The card control unit 8b that has received the READ RECORD response reads the tag T2 “5F61” and compares it with the designated tag T “5F61” to determine a match.
[0029]
The card control unit 8b that has determined that the tag T matches matches the record number (2) that is the data object in which the tag T matches the response indicating that it is a reply to the interpreter execution command transmitted to the main control unit 3. An interpreter execution response with a data object attached is created and transmitted to the main control unit 3 of the automatic teller machine 2.
[0030]
Upon receiving the interpreter execution response, the main controller 3 reads the customer's bank name, account number, etc., ends the IC card reading process, and continues the transaction with the customer.
Since the subsequent operation of the automatic teller machine 2 is the same as that of the normal automatic teller machine 2, the description thereof is omitted.
[0031]
In the case of the READ RECORD response of the record number (1) from the above IC card, when there is a tag that matches the tag T specified in the tag T of the hierarchical data object in the data field V1, At that time, the interpreter execution response is transmitted to the main control unit 3 in the same manner as described in the case of the record number (2).
[0032]
In this case, the interpreter execution response to be transmitted to the main control unit 3 may be attached with the data object with the record number (2), and the data object with the matching tag T in the hierarchical data object You may make it attach only.
As described above, in the present embodiment, the IC card reader executes a repeated read execution command registered in advance by an interpreter execution command from the main control unit, and a data object having designation information from a file on the IC card. By searching, even if the position of the data to be read is indefinite, the number of communication between the main control unit and the IC card reader can be reduced, and the time for reading the IC card can be shortened. Can do.
[0033]
In addition, since the processing performed by the IC card reader is registered in the IC card reader in advance, it is not necessary to create an execution command for the read processing each time the IC card is read. The reading process can be made more efficient.
Furthermore, by attaching only the data object in which necessary information is described in the interpreter execution response returned by the IC card reader, the amount of data to be transferred can be reduced and the time required for communication can be shortened. At the same time, the necessary data can be retrieved once, and the time required for the IC card reading process for obtaining necessary information can be shortened.
[0034]
In the above embodiment, the reading process of the magnetic stripe data has been described as an example of the reading process of the IC card. However, the reading process of other data such as biometric information data for personal authentication is similarly performed. It can be carried out.
The pre-processing has been described in which the main control unit transmits an interpreter registration command of a processing command to the IC card reader in advance so as to be rewritable, but a plurality of processing commands are registered in the card storage unit of the IC card reader as registration numbers. The effect of the present invention is not impaired even if the corresponding fixed registration is performed and the reading process is executed in the same manner as in the above embodiment.
[0035]
In the above-described embodiment, the automatic cash transaction apparatus is described as an example of the automatic apparatus. However, the automatic apparatus to which the present invention is applied is not limited to the automatic cash transaction apparatus, and an unmanned contract machine, a multimedia terminal, an automatic ticket machine, Any automated device using an IC card such as an unmanned ticket gate or vending machine may be used.
[0036]
【The invention's effect】
As described above, according to the present invention, the IC card reader executes the repeated read execution command registered in advance by the interpreter execution command from the main control unit, and searches for the data object having the specified information from the IC card file. As a result, even when the position of data to be read is indefinite, the number of communications between the main control unit and the IC card reader can be reduced, and the time for reading the IC card can be reduced. The effect is obtained.
[Brief description of the drawings]
FIG. 1 is a flowchart showing an embodiment of the present invention. FIG. 2 is a block diagram showing an automatic teller machine according to the embodiment. FIG. 3 is a block diagram showing an IC card reader according to the embodiment. Showing the file structure of an IC card in the form of
DESCRIPTION OF SYMBOLS 1 Host computer 2 Automatic cash transaction apparatus 3 Main control part 4 Communication part 5 Storage part 6 Customer operation part 7 Card processing part 8 IC card reader 8a Card reading part 8b Card control part 8c Card storage part 9 Passbook processing part 10 Banknote entry / exit Money part 11 Coin deposit and withdrawal part

Claims (1)

In an IC card reader that reads a file recorded in a recording unit of an IC card by communication with a main control unit,
Register the registration number and the repeated execution command in advance corresponding to the registration number ,
When reading information whose position of data to be read is indefinite from the file consisting of a plurality of records having a data object divided into a tag field, a data length field, and a data field ,
Receiving an interpreter execution command with the registration number and the designation information to be searched from the main control unit;
The data object of the record is sequentially read by the repeated reading execution command , and the parameter described in the tag field of the read data object is inconsistent with the parameter of the designation information, and the tag field has a hierarchy. If the existence of the data object is described, the reading of the hierarchical data object described in the data field is repeated,
An IC card reader characterized in that, when it is determined that the tag field parameter of the read data object matches the parameter of the specified information, the data object is returned to the main control unit as an interpreter execution response. .

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