JP2020013212A - Portable electronic device, IC card, and issuing device - Google Patents

Abstract

To provide a portable electronic device, an IC card, and an issuing device that can restart an issuing process when the issuing process is interrupted halfway.SOLUTION: A portable electronic device according to an embodiment has a data storage unit, a final data information storage unit, a completion information storage unit, and a processing unit. The final data information storage unit stores data identification information in which a write process for storing, by a write request including data to be stored in the data storage unit and the data identification information, the data in the data storage unit was last successfully executed. The completion information storage unit stores, by the write request, completion information indicating whether or not an issuing process for storing data corresponding to an application in the data storage unit has been completed. When the completion information indicates that the issuing process has not been completed, the processing unit performs a process of transmitting the data identification information stored by the final data information storage unit.SELECTED DRAWING: Figure 3

Description

  Embodiments of the present invention relate to a portable electronic device, an IC card, and an issuing device.

  2. Description of the Related Art In recent years, portable electronic devices such as an IC card incorporating an IC (Integrated Circuit) chip have been widely used. In a conventional portable electronic device, for example, an issuance process of writing in an IC chip is executed using a write request command such as a STORE DATA command. However, in the conventional portable electronic device, if the issuance process is interrupted due to, for example, a contact failure while the issuance process is being executed by a write request command, the issuance process is restarted from the middle. And the portable electronic device is sometimes discarded.

JP 2017-72932 A

  The problem to be solved by the present invention is to provide a portable electronic device, an IC card, and an issuing device that can restart the issuing process when the issuing process is interrupted halfway.

  The portable electronic device according to the embodiment has a data storage unit, a final data information storage unit, a completion information storage unit, and a processing unit. The data storage unit stores data. The final data information storage unit includes the data received from the external device and the data identification information for identifying the data, and the data is written by the data write request from the external device requesting the data storage unit to write the data. The writing process to be stored in the data storage unit stores the data identification information that was last normally executed. The completion information storage unit stores completion information indicating whether or not an issuance process for storing data corresponding to an application in the data storage unit has been completed in response to the write request. The processing unit transmits the data identification information stored in the final data information storage unit to the external device when the completion information stored in the completion information storage unit indicates that the issuing process has not been completed. Perform the following processing.

FIG. 1 is an external view illustrating an example of an IC card according to a first embodiment. FIG. 2 is a diagram illustrating an example of a hardware configuration of the IC card according to the first embodiment. FIG. 2 is a block diagram illustrating a functional configuration example of the IC card according to the first embodiment. FIG. 4 is a diagram illustrating a data configuration example of a STORE DATA command according to the first embodiment. FIG. 3 is a diagram illustrating a data configuration example of a SELECT command according to the first embodiment. FIG. 3 is a diagram illustrating a data configuration example of a response to a SELECT command according to the first embodiment. 9 is a flowchart illustrating an example of STORE DATA command processing of the IC card according to the first embodiment. 5 is a flowchart illustrating an example of a SELECT command process of the IC card according to the first embodiment. FIG. 6 is a diagram illustrating an example of an issuing process when the IC card according to the first embodiment is normally completed. FIG. 6 is a diagram illustrating an example of an issuance process when an IC card is abnormally interrupted and an issuance restart process according to the first embodiment. FIG. 9 is a block diagram illustrating an example of a functional configuration of the IC card according to the second embodiment. FIG. 10 is a diagram illustrating an example of data in a final data information storage unit according to the second embodiment. FIG. 14 is a diagram illustrating an example of data in a completion information storage unit according to the second embodiment. FIG. 13 is a block diagram showing a functional configuration example of an IC card according to a third embodiment. 13 is a flowchart illustrating an example of STORE DATA command processing of the IC card according to the third embodiment. FIG. 11 is a block diagram showing a configuration example of an IC card issuing system according to a fourth embodiment. 13 is a flowchart illustrating an example of the operation of the issuing device according to the fourth embodiment.

  Hereinafter, a portable electronic device, an IC card, and an issuing device according to an embodiment will be described with reference to the drawings.

(First embodiment)
FIG. 1 is an external view illustrating an example of an IC card 1 according to the first embodiment. In the present embodiment, an IC card 1 will be described as an example of a portable electronic device.
As shown in FIG. 1, the IC card 1 includes an IC module 10. When the IC card 1 is a contact IC card, the IC module 10 includes the contact section 3 and an IC chip 100. The IC card 1 is formed, for example, by mounting an IC module 10 on a plastic card base PT (an example of a card body). That is, the IC card 1 includes the IC module 10 and the card base PT in which the IC module 10 is embedded. The IC card 1 can communicate with the external device 2 via the contact unit 3.

The IC card 1 receives, for example, a command (processing request) transmitted from the external device 2 via the contact unit 3, and executes processing (command processing) according to the received command. Then, the IC card 1 transmits a response (processing response) as an execution result of the command processing to the external device 2 via the contact unit 3.
Here, the external device 2 is a higher-level device that communicates with the IC card 1, and is, for example, a reader / writer device or an issuing device.

  The IC module 10 is a module that includes the contact unit 3 and the IC chip 100 and is traded in a form such as COT (Chip On Tape) in which a plurality of IC modules 10 are arranged on a tape, for example. A single IC module 10 that has been individually separated from a tape and cut off may be referred to as a COT.

The contact section 3 has terminals for various signals necessary for the operation of the IC card 1. The terminals for various signals include a terminal for receiving a power supply voltage, a clock signal, a reset signal, and the like from the external device 2 and a serial data input / output terminal (SIO terminal) for communicating with the external device 2. included.
The IC chip 100 is, for example, an LSI (Large Scale Integration) such as a one-chip microprocessor.

Next, a hardware configuration of the IC card 1 according to the present embodiment will be described with reference to FIG.
FIG. 2 is a diagram illustrating an example of a hardware configuration of the IC card 1 according to the present embodiment.
As shown in FIG. 2, the IC card 1 includes an IC module 10 including a contact section 3 and an IC chip 100. The IC chip 100 includes a UART (Universal Asynchronous Receiver Transmitter) 4, a CPU (Central Processing Unit) 5, a ROM (Read Only Memory) 6, a RAM (Random Access Memory) 7, and an EEPROM (Electrically Erasable Programmable ROM). And 8).

  The UART 4 performs serial data communication with the external device 2 via the above-described SIO terminal. The UART 4 outputs data (for example, 1-byte data) obtained by parallel-converting a serial data signal received via the SIO terminal to the internal bus BS1. The UART 4 also converts data obtained via the internal bus BS1 into serial data and outputs the data to the external device 2 via the SIO terminal. The UART 4 receives a command from the external device 2 via, for example, an SIO terminal. The UART 4 transmits a response to the external device 2 via the SIO terminal.

  The CPU 5 executes a program stored in the ROM 6 or the EEPROM 8 to perform various processes of the IC card 1. The CPU 5 executes, for example, command processing according to the command received by the UART 4 via the contact unit 3.

The ROM 6 is a non-volatile memory such as a mask ROM, for example, and stores a program for executing various processes of the IC card 1 and data such as a command table.
The RAM 7 is a volatile memory such as an SRAM (Static RAM), for example, and temporarily stores data used when performing various processes of the IC card 1.

  The EEPROM 8 is, for example, an electrically rewritable nonvolatile memory. The EEPROM 8 stores various data used by the IC card 1. The EEPROM 8 stores information used for various services (applications) using the IC card 1, for example.

Next, an example of a functional configuration of the IC card 1 according to the present embodiment will be described with reference to FIG.
FIG. 3 is a block diagram illustrating an example of a functional configuration of the IC card 1 according to the present embodiment.
As shown in FIG. 3, the IC card 1 includes a communication unit 40, a control unit 50, an AP (application) data storage unit 81, a file management information storage unit 82, a final data information storage unit 83, a completion information And a storage unit 84.
Here, each part of the IC card 1 shown in FIG. 3 is realized using the hardware of the IC card 1 shown in FIG.

  The communication unit 40 is realized by, for example, the UART 4, the CPU 5, and a program stored in the ROM 6, and transmits and receives commands and responses to and from the external device 2 via the contact unit 3, for example. That is, the communication unit 40 receives a command (processing request) requesting a predetermined process from the external device 2 and transmits a response (processing response) to the command to the external device 2.

  The AP data storage unit 81 (an example of a data storage unit) is, for example, a storage unit including the EEPROM 8, and stores various data according to the use (application) of the IC card 1. By issuing the IC card 1, the AP data storage unit 81 builds a DF (Dedicated File) corresponding to the application and an EF (Elementary File) for storing various data used in the application and data for internal control ( Secured). In each EF of the AP data storage unit 81, data is stored by, for example, a STORE DATA command in an issuing process.

  The file management information storage unit 82 includes, for example, the EEPROM 8, and stores management information (for example, directory information) for managing various files for storing data. The file management information storage unit 82 stores, for example, identification information (for example, file ID, DGI, etc.) of files and various data and physical addresses of the EEPROM 8 in association with each other. Here, “DGI” (Data Grouping Identifier) is an example of data identification information for identifying data.

  The final data information storage unit 83 is composed of, for example, the EEPROM 8. In the issuance processing, the write processing for storing data in the AP data storage unit 81 by the write command (write request) received from the external device 2 is finally completed normally. The executed DGI (data identification information) is stored. The write command here is, for example, a STORE DATA command, and details of the STORE DATA command will be described later.

  The completion information storage unit 84 includes, for example, the EEPROM 8, and stores completion information indicating whether or not the issuing process has been completed by the write command. Here, the completion information is, for example, flag information, in which “1” is stored when the issuing process is completed, and “0” is stored when the issuing process is not completed.

  The control unit 50 is realized by, for example, the CPU 5, the RAM 7, the ROM 6, or the EEPROM 8, and controls the IC card 1 comprehensively. The control unit 50 includes a file management unit 51 and a command processing unit 52.

  The file management unit 51 manages files in the AP data storage unit 81 based on management information (for example, directory information) stored in the file management information storage unit 82. For example, when executing a file access process, the file management unit 51 searches the management information stored in the file management information storage unit 82 and specifies a storage location of the file (for example, a physical address of the EEPROM 8). .

  The command processing unit 52 (an example of a processing unit) executes processing (command processing) of various commands in response to a command (processing request) transmitted from the external device 2 to the IC card 1. The command processing unit 52 executes command processing according to a command received from the external device 2 via the communication unit 40, for example. In addition, the command processing unit 52 transmits a response as a result of the command processing to the external device 2 via the communication unit 40.

The command processing unit 52 performs, for example, command processing of a STORE DATA command, which is a write command for issuing, and command processing of a SELECT command, which is a command for selecting an application (DF: Dedicated File), EF (Elementary File), and the like. Execute.
Here, first, an example of the data configuration of the STORE DATA command will be described with reference to FIG.

FIG. 4 is a diagram illustrating a data configuration example of a STORE DATA command of the IC card 1 according to the present embodiment.
As shown in this figure, the STORE DATA command (an example of a write request) has a command header and a command body. The command header has “CLA” (class byte), “INS” (instruction byte), “P1” (parameter 1), and “P2” (parameter 2). Each of "CLA", "INS", "P1", and "P2" is composed of one byte. The command body has “Lc” (data length) and “DATA” (data). “Lc” is composed of one byte, and “DATA” is data having a data length (for example, m bytes) specified by “Lc”.

  “DATA” of the STORE DATA command includes “DGI”, “DGI length”, and “DGI DATA”. Note that “DGI” is composed of 2 bytes, and “DGI length” is composed of 1 byte. “DGI DATA” is data having a data length (for example, n bytes) specified by “DGI length”.

  For example, in the example shown in FIG. 4, the STORE DATA command stores (writes) 5 bytes of data in which “DGI DATA” is “0x112233455” in the data area (EF) in which “DGI” is “0x0101”. This indicates that a processing request is sent to the IC card 1. As described above, the STORE DATA command includes the data (“DGI DATA”) to be stored in the AP data storage unit 81 and the data identification information (“DGI”).

  The STORE DATA command can specify whether or not it is the last STORE DATA command (hereinafter, referred to as a LAST STORE DATA command) by b8 (bit 8) which is the most significant bit of “P2” described above. For example, when b8 of “P2” is “1”, it indicates that it is a LAST STORE DATA command, and when b8 of “P2” is “0”, it indicates that it is not a LAST STORE DATA command.

  Returning to the description of FIG. 3, when the command processing unit 52 receives the STORE DATA command via the communication unit 40, the command processing unit 52 stores the data (DGI DATA) in the EF corresponding to the DGI in the AP data storage unit 81. . When the received STORE DATA command is not the LAST STORE DATA command (b8 of P2 is “0”), the command processing unit 52 stores the DGI included in the STORE DATA command in the final data information storage unit 83. It is stored as data identification information. That is, if the STORE DATA command does not include information indicating that the data is the last data of the issuing process, the command processing unit 52 stores the DGI included in the STORE DATA command in the final data information storage unit 83. Is stored.

When the received STORE DATA command is a LAST STORE DATA command (b8 of P2 is “1”), the command processing unit 52 stores “1” in the completion information storage unit 84. That is, when the STORE DATA command includes information indicating that the data is the last data of the issuing process, the command processing unit 52 outputs the information (“1”) indicating that the issuing process has been completed. , Is stored in the completion information storage unit 84 as completion information.
In the case where the command is the LAST STORE DATA command, the command processing unit 52 may delete the DGI stored in the final data information storage unit 83.

Next, an example of the data structure of the SELECT command will be described with reference to FIGS.
FIG. 5 is a diagram illustrating an example of a data configuration of a SELECT command of the IC card 1 according to the present embodiment.
As shown in this figure, the SELECT command (an example of a selection request) has a command header and a command body. The command header has “CLA”, “INS”, “P1”, and “P2”. The command body has "Lc" (data length of transmission data), "DATA" (transmission data), and "Le" (data length of reception data). Note that “Lc” and “Le” are each composed of 1 byte, and “DATA” is data having a data length (for example, m bytes) specified by “Lc”.

FIG. 6 is a diagram illustrating a data configuration example of a response to a SELECT command of the IC card 1 according to the present embodiment.
As shown in this figure, the response to the SELECT command has “FCI” (File Control Information) and “Status Word” (Status Information). Note that “Status Word” is composed of 2 bytes, and “FCI” is the data length specified by “Le” described above.

  “FCI” is data in a TLV format having a hierarchical structure. Here, the TLV format is a data format in which a tag (Tag), a data length (Length), and a data part (Value) are arranged.

  “FCI” is data in TLV format with a tag “0x6F”, and “FCI Template” in the data part of “FCI” is data in TLV format with tags “0x84” and “0xA5” as lower layers. Have. In addition, “FCI Proprietary Template” in the data portion having the tag “0xA5” has TLV format data with the tags “0x50” and “0xBF0C” as a lower layer.

Further, “FCI Issuer Discretionary DATA” in the data portion having the tag “0xBF0C” has TLV format data with the tag “0xDF01” as a further lower layer. In the present embodiment, the response to the SELECT command includes, in the TLV format data D1 of “0xDF01”, the DGI (the DGI stored in the final data information storage unit 83) that normally ended normally by the STORE DATA command. It is.
When the issuance process is completed (when the LAST STORE DATA command is executed), the TLV format data D1 of “0xDF01” is not included in the response of the SELECT command.

  Returning to the description of FIG. 3 again, when the command processing unit 52 receives a SELECT command for selecting an application via the communication unit 40, the command processing unit 52 converts the application (DF) corresponding to the AP identification information included in the SELECT command. select. Here, the AP identification information is identification information for identifying an application, such as a DF name and a file ID.

  When the command processing unit 52 receives the SELECT command and the completion information stored in the completion information storage unit 84 indicates that the issuing process is not completed, the command processing unit 52 stores the command in the final data information storage unit 83. A process of transmitting the DGI to the external device 2 is performed. For example, when the completion information is “0”, the command processing unit 52 transmits a response including the DGI stored in the final data information storage unit 83 as the above-described “0xDF01” TLV format data D1 to the communication unit 40. To the external device 2 via the external device.

  In addition, in response to the SELECT command for selecting an application, for example, when the completion information is “1”, the command processing unit 52 transmits a response that does not include the above-described “0xDF01” TLV format data D1 to the communication unit 40. To the external device 2 via.

Next, the operation of the IC card 1 of the present embodiment will be described with reference to the drawings.
FIG. 7 is a flowchart illustrating an example of the STORE DATA command processing of the IC card 1 according to the present embodiment.

  As shown in FIG. 7, in a state where the external device 2 and the IC card 1 are connected via the contact unit 3 and the IC card 1 is activated, the IC card 1 determines whether or not a command has been received. (Step S101). That is, the communication unit 40 of the IC card 1 determines whether or not a command has been received from the external device 2 via the UART 4. If the communication unit 40 receives the command (step S101: YES), the process proceeds to step S102. If a command has not been received (step S101: NO), the communication unit 40 returns the process to step S101 and repeats the process of step S101.

In step S102, the command processing unit 52 of the IC card 1 acquires a command. That is, the command processing unit 52 acquires a command from the communication unit 40.
Next, the command processing unit 52 determines whether or not the received command is a STORE DATA command (Step S103). The command processing unit 52 determines whether the received command is a STORE DATA command based on “CLA” and “INS” of the acquired commands. If the received command is a STORE DATA command (step S103: YES), the command processing unit 52 advances the processing to step S104. If the received command is not a STORE DATA command (step S103: NO), the command processing unit 52 advances the processing to step S109.

  In step S104, the command processing unit 52 writes “DGI DATA” (see FIG. 4) included in the STORE DATA command into the AP data storage unit 81. The command processing unit 52 refers to the file management information storage unit 82 and acquires from the file management unit 51 the start address of the EF EEPROM 8 corresponding to the acquired DGI. The command processing unit 52 stores the received data (“DGI DATA”) in order from the top address of the EEPROM 8.

  Next, the command processing unit 52 determines whether or not the received command is a LAST STORE DATA command (Step S105). The command processing unit 52 determines whether b8 of P2 of the command head of the received STORE DATA command is “1”. If the command is a LAST STORE DATA command (b8 of P2 is “1”) (step S105: YES), the command processing unit 52 advances the processing to step S108. If the LAST STORE DATA command is still received (b8 of P2 is “0”) (step S105: NO), the command processing unit 52 advances the process to step S106.

  In step S106, the command processing unit 52 stores the received DGI in the final data information storage unit 83. That is, the command processing unit 52 causes the final data information storage unit 83 to store the DGI included in the STORE DATA command as data identification information on which the STORE DATA command was last normally executed.

  Next, the IC card 1 transmits a response to the external device 2 (Step S107). That is, the command processing unit 52 generates a response including information (“Status Word”) indicating that the STORE DATA command has been normally completed, and transmits the response to the external device 2 via the communication unit 40. After the processing in step S107, the command processing unit 52 returns the processing to step S101.

  In step S108, the command processing unit 52 causes the completion information storage unit 84 to store information indicating that the issuing process has been completed. That is, the command processing unit 52 causes the completion information storage unit 84 to store “1” as the completion information. After the processing in step S108, the command processing unit 52 advances the processing to step S107, and transmits a response to the external device 2.

  In step S109, the command processing unit 52 executes another command process. Here, other command processing refers to processing of commands corresponding to “CLA” and “INS” other than the STORE DATA command.

  Next, the IC card 1 transmits a response to the external device 2 (Step S110). That is, the command processing unit 52 generates a response including the result of the command processing, and transmits the response to the external device 2 via the communication unit 40. After the processing in step S110, the command processing unit 52 returns the processing to step S101.

Next, the SELECT command processing of the IC card 1 according to the present embodiment will be described with reference to FIG.
FIG. 8 is a flowchart illustrating an example of the SELECT command processing of the IC card 1 according to the present embodiment. Here, the command processing of the SELECT command will be described for a case where an application (DF) is selected.

  As shown in FIG. 8, in a state where the external device 2 and the IC card 1 are connected via the contact unit 3 and the IC card 1 is activated, the IC card 1 determines whether or not a command has been received. (Step S201). When the communication unit 40 of the IC card 1 receives the command (step S201: YES), the processing proceeds to step S202. If a command has not been received (step S201: NO), the communication unit 40 returns the process to step S201 and repeats the process of step S201.

In step S202, the command processing unit 52 of the IC card 1 acquires a command.
Next, the command processing unit 52 determines whether or not the received command is a SELECT command (Step S203). The command processing unit 52 determines whether the received command is a SELECT command based on “CLA” and “INS” of the acquired commands. If the received command is a SELECT command (step S203: YES), the command processing unit 52 advances the processing to step S204. If the received command is not the SELECT command (step S203: NO), the command processing unit 52 advances the processing to step S208.

  In step S204, the command processing unit 52 selects an application (DF). The command processing unit 52 selects an application (DF) corresponding to the DF file ID or DF name included in the SELECT command as a currently selected file.

  Next, the command processing unit 52 determines whether or not the issuing process has been completed (Step S205). For example, the command processing unit 52 refers to the completion information stored in the completion information storage unit 84 and determines whether the completion information is “1”, thereby determining whether the issuing process is completed. Is determined. If the issuing process has been completed (the completion information is “1”) (step S205: YES), the command processing unit 52 advances the process to step S207. If the issuing process has not been completed (the completion information is “0”) (step S205: NO), the command processing unit 52 advances the process to step S206.

  In step S206, the command processing unit 52 transmits, as a response, the FCI including the last successfully completed DGI. The command processing unit 52 acquires the DGI stored in the final data information storage unit 83 as the last normally completed DGI. As shown in FIG. 6 described above, the command processing unit 52 generates a response (FCI) including the last successfully completed DGI in the TLV format data D1 of “0xDF01”, and transmits the response via the communication unit 40. To the external device 2. After the processing in step S206, the command processing unit 52 returns the processing to step S201.

  In step S207, the command processing unit 52 transmits a normal FCI as a response. That is, the command processing unit 52 generates a response (FCI) that does not include the TLV format data D1 of “0xDF01” in FIG. 6 described above, and transmits the response to the external device 2 via the communication unit 40. After the processing in step S207, the command processing unit 52 returns the processing to step S201.

  In step S208, the command processing unit 52 executes another command process. Here, other command processing refers to processing of a command corresponding to “CLA” and “INS” other than the SELECT command.

  Next, the IC card 1 transmits a response to the external device 2 (Step S209). That is, the command processing unit 52 generates a response including the result of the command processing, and transmits the response to the external device 2 via the communication unit 40. After the processing in step S209, the command processing unit 52 returns the processing to step S201.

Next, the issuing process of the IC card 1 according to the present embodiment will be described with reference to FIGS. First, with reference to FIG. 9, a description will be given of the issuance processing when the processing ends normally.
FIG. 9 is a diagram illustrating an example of an issuing process when the IC card 1 according to the present embodiment is normally completed.

As shown in FIG. 9, when the external device 2 and the IC card 1 are connected via the contact unit 3 and the IC card 1 is activated, the external device 2 first issues a SELECT command for selecting a DF. The data is transmitted to the IC card 1 (step S301).
In response to the SELECT command, the IC card 1 selects the designated DF as the DF to be issued and sends a response to the external device 2 (step S302).

Next, the external device 2 transmits a STORE DATA command (DGI_1) for writing data to DGI_1 to the IC card 1 (Step S303). In response to the STORE DATA command (DGI_1), the command processing unit 52 of the IC card 1 stores the received data in the EF of the AP data storage unit 81 corresponding to DGI_1. Further, the command processing unit 52 stores the received DGI_1 in the final data information storage unit 83.
Next, the IC card 1 transmits a response indicating that the STORE DATA command (DGI_1) has been normally completed to the external device 2 (step S304).

  Next, the external device 2 transmits a STORE DATA command (DGI_2) for writing data to DGI_2 to the IC card 1 (step S305), and the IC card 1 performs the same processing as that of step S303 for DGI_2. The response is transmitted to the external device 2 (step S306).

Such a process of writing data to the DGI specified by the STORE DATA command is repeated.
Next, the external device 2 transmits a LAST STORE DATA command (DGI_N) for writing data to DGI_N to the IC card 1 (step S307). In response to the LAST STORE DATA command (DGI_N), the command processing unit 52 of the IC card 1 stores the received data in the EF of the AP data storage unit 81 corresponding to DGI_N. Further, the command processing unit 52 causes the completion information storage unit 84 to store “1” as completion information.

  Next, the IC card 1 transmits a response indicating that the LAST STORE DATA command (DGI_N) has been normally completed to the external device 2 (step S308). This completes the issuance processing for writing the issuance information in DGI_1 to DGI_N for the IC card 1.

  Next, when the external device 2 transmits a SELECT command for selecting a DF to the IC card 1 (step S309), the IC card 1 sends a response including a normal FCI (an FCI that does not include the last completed DGI). Is transmitted to the external device 2 (step S310). In this case, the command processing unit 52 of the IC card 1 determines that the issuing process has been completed because the completion information in the completion information storage unit 84 is “1”, and sends a response including normal FCI to the external device 2. Send to

Next, with reference to FIG. 10, a description will be given of an issuance process and an issuance resumption process in the case of abnormal interruption.
FIG. 10 is a diagram illustrating an example of an issuance process and an issuance resumption process when the IC card 1 according to the present embodiment is abnormally interrupted.

In FIG. 10, the processing from step S401 to step S406 is the same as the processing from step S301 to step S306 shown in FIG. 9 described above, and a description thereof will be omitted here.
Next, the external device 2 transmits a STORE DATA command (DGI_3) for writing data to DGI_3 to the IC card 1, but it is assumed that a communication error has occurred (step S407). In this example, it is assumed that the issuing process of the IC card 1 has been interrupted due to a communication error.

  Next, when executing the issuing process again, the external device 2 first transmits a SELECT command for selecting a DF to the IC card 1 (step S408), and the IC card 1 returns a response (FCI including DGI_2). Is transmitted to the external device 2 (step S409). In this case, since the completion information in the completion information storage unit 84 is “0”, the command processing unit 52 of the IC card 1 determines that the issuing process is not completed, and the DGI_2 stored in the final data information storage unit 83 is stored. Is transmitted to the external device 2.

  Next, the external device 2 restarts transmission of the STORE DATA command from DGI_3 next to DGI_2 included in the FCI of the response. That is, the external device 2 transmits a STORE DATA command (DGI_3) for writing data to DGI_3 to the IC card 1 (step S410), and the IC card 1 transmits a response to the external device 2 (step S411).

Such a process of writing data to the DGI designated by the STORE DATA command is repeated up to DGI_N. Finally, the external device 2 transmits a LAST STORE DATA command (DGI_N) for writing data to DGI_N to the IC card 1 (step S412), and the IC card 1 transmits a response to the external device 2 (step S413). ).
In this manner, the IC card 1 of the present embodiment can restart the issuing process from the middle even if the issuing process is interrupted halfway due to an abnormality or the like.

  As described above, the IC card 1 according to the present embodiment is different from the IC card 1 (portable electronic device) in that the AP data storage unit 81 (data storage unit), the final data information storage unit 83, and the completion information storage unit 84 and a command processing unit 52 (processing unit). The AP data storage unit 81 stores data. The final data information storage unit 83 stores the data in the AP in response to a STORE DATA command (write request) including data to be stored in the AP data storage unit 81 received from the external device 2 and DGI (data identification information) for identifying the data. The write processing to be stored in the data storage unit 81 stores the DGI that was last normally executed. Here, the STORE DATA command is a data write request from the external device 2 requesting writing to the AP data storage unit 81, including the data received from the external device 2 and the DGI for identifying the data. The completion information storage unit 84 stores completion information indicating whether or not an issuance process for storing data corresponding to an application in the AP data storage unit 81 has been completed in response to a STORE DATA command. When the completion information stored in the completion information storage unit 84 indicates that the issuing process is not completed (for example, when the completion information is “1”), the command processing unit 52 (processing unit) A process of transmitting the DGI stored in the storage unit 83 to the external device 2 is performed.

  As a result, for example, when the issuing process is interrupted in the middle, the IC card 1 according to the present embodiment can know the DGI in which the writing process was normally executed last. Therefore, the IC card 1 according to the present embodiment can restart the issuance process, for example, when the issuance process is interrupted halfway. Further, in the IC card 1 according to the present embodiment, when reissuing processing is performed on a card that has failed in issuing processing, it is possible to omit the already successful issuing processing and perform issuing processing subsequent to the failed processing. The processing time of the issuing process can be reduced.

  Further, in the present embodiment, the command processing unit 52 responds to the SELECT command (selection request) for selecting the application received from the external device 2 when the completion information indicates that the issuing process is not completed (for example, , When the completion information is “0”), a process of transmitting a response including the DGI stored in the final data information storage unit 83 to the external device 2 is performed.

  As a result, the IC card 1 according to the present embodiment can know, by the SELECT command (selection request), the DGI on which the writing process was last normally executed, and obtain the DGI on which the last normally executed DGI was executed. There is no need to add a new dedicated command. In addition, the IC card 1 according to the present embodiment can acquire the last normally executed DGI by the simple technique of the SELECT command, and can improve the convenience.

In the present embodiment, the command processing unit 52 performs a process of transmitting a response not including the DGI stored in the final data information storage unit 83 to the external device 2 when the completion information indicates that the issuing process has been completed. Do.
As a result, the IC card 1 according to the present embodiment can be used as a conventional SELECT command after the issuance process has been completed normally, so that the issuance process can be interrupted without affecting the existing system. Then, the issuing process can be restarted.

  Further, in the present embodiment, when the STORE DATA command includes information indicating that the data is the last data of the issuing process (when the command is a LAST STORE DATA command), the command processing unit 52 issues the command. Information indicating that the processing has been completed is stored in the completion information storage unit 84 as completion information. When the STORE DATA command does not include information indicating that the data is the last data of the issuing process, the command processing unit 52 stores the DGI included in the STORE DATA command in the final data information storage unit 83. Is stored.

  As a result, the IC card 1 according to the present embodiment retains the last normally executed DGI by the simple method using the STORE DATA command, and determines whether or not the issuing process is completed by the simple method. can do.

In the present embodiment, when the STORE DATA command includes information indicating that the data is the last data of the issuing process, the command processing unit 52 stores the information in the final data information storage unit 83. Delete the existing DGI. Note that the command processing unit 52 may delete the data area of the final data information storage unit 83.
As a result, the IC card 1 according to the present embodiment deletes the unnecessary data or data area of the final data information storage unit 83 after the issuance process is completed, so that the memory area of the EEPROM 8 can be used more effectively. .

(Second embodiment)
Next, an IC card 1a according to a second embodiment will be described with reference to the drawings.
In the second embodiment, an example will be described in which issuance processing is performed for a plurality of applications (DFs), and the last normally executed DGI and completion information are stored for each application.

FIG. 11 is a block diagram illustrating a functional configuration example of the IC card 1a according to the second embodiment.
As shown in FIG. 11, the IC card 1a includes a communication unit 40, a control unit 50a, an AP data storage unit 81, a file management information storage unit 82, a final data information storage unit 83a, and a completion information storage unit 84a. And
Note that the external view and the hardware configuration of the IC card 1a of the present embodiment are the same as those of the first embodiment shown in FIGS. In FIG. 11, the same components as those shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted.

  The final data information storage unit 83a is composed of, for example, the EEPROM 8, and stores the last normally executed DGI (data identification information) for each application. Here, an example of data in the final data information storage unit 83a of the present embodiment will be described with reference to FIG.

FIG. 12 is a diagram illustrating an example of data in the final data information storage unit 83a according to the present embodiment.
As illustrated in FIG. 12, the final data information storage unit 83a stores “AP identification information” and “final data information” in association with each other. Here, the “AP identification information” is identification information for identifying an application, such as a DF name or a DF file ID. The “final data information” indicates the last DGI in which the above-described write processing was normally executed.
In the example shown in FIG. 12, "AP identification information" indicates that "final data information" corresponding to "XXXXXXXXX" is "0x80XX".

  Returning to the description of FIG. 11, the completion information storage unit 84a is configured by, for example, the EEPROM 8, and stores the completion information for each application. Here, an example of data in the completion information storage unit 84a of the present embodiment will be described with reference to FIG.

FIG. 13 is a diagram illustrating an example of data in the completion information storage unit 84a according to the present embodiment.
As illustrated in FIG. 13, the completion information storage unit 84a stores “AP identification information” and “completion information” in association with each other. Here, “AP identification information” is the same as in FIG. 12, and is identification information for identifying an application. “Completion information” is information indicating whether or not the issuing process has been completed by the above-described write command.

  In the example illustrated in FIG. 13, the “completion information” corresponding to the “AP identification information” corresponding to “XXXXXXXXX” is “1”, indicating that the issuing process has been completed. Further, the “completion information” corresponding to the “AP identification information” corresponding to “YYYYYYYY” is “0”, indicating that the issuing process has not been completed.

  Returning to the description of FIG. 11 again, the control unit 50a is realized by, for example, the CPU 5, the RAM 7, the ROM 6, or the EEPROM 8, and controls the IC card 1a comprehensively. The control unit 50a includes a file management unit 51 and a command processing unit 52a.

  The basic function of the command processing unit 52a is the same as that of the command processing unit 52 of the first embodiment. The command processing unit 52a is the same as that of the first embodiment except that the processing related to the final data information storage unit 83a and the completion information storage unit 84a of the STORE DATA command and the SELECT command is executed for each application.

  Next, the operation of the IC card 1a of the present embodiment will be described. The IC card 1a of the present embodiment is the same as the processing shown in FIGS. 7 and 8 except that the processing relating to the final data information storage unit 83a and the completion information storage unit 84a is executed for each application.

  In the present embodiment, in step S106 of FIG. 7, the command processing unit 52a associates the AP identification information with the received DGI (final data information) and stores it in the final data information storage unit 83a. In step S107 in FIG. 7, the command processing unit 52a stores the AP identification information and the completion information in the completion information storage unit 84a in association with each other.

  In the present embodiment, in step S206 of FIG. 8, the command processing unit 52a reads out the final data information corresponding to the AP identification information of the application selected by the SELECT command, transmits the final data information in the FCI, and transmits it as a response.

As described above, in the present embodiment, the final data information storage unit 83a associates the AP identification information for identifying the application with the DGI (data identification information) that was last normally executed in the application issuing process. Attach and remember. In response to a SELECT command (selection request) for selecting an application, when the completion information indicates that the issuing process has not been completed, the command processing unit 52a associates the completion information with the application identification information included in the SELECT command. The acquired DGI (data identification information) is acquired from the final data information storage unit 83a, and processing for transmitting a response (response) including the acquired DGI to the external device 2 is performed.
As a result, the IC card 1a according to the present embodiment can restart the issuance process for each application when the issuance process for each application is interrupted.

(Third embodiment)
Next, an IC card 1b according to a third embodiment will be described with reference to the drawings.
In the third embodiment, an example in which the final data information storage unit 83 and the completion information storage unit 84 are used as a common storage unit will be described.

FIG. 14 is a block diagram illustrating a functional configuration example of the IC card 1b according to the third embodiment.
As shown in FIG. 14, the IC card 1b includes a communication unit 40, a control unit 50b, an AP data storage unit 81, a file management information storage unit 82, and a final data information storage unit 83b.
The external view and the hardware configuration of the IC card 1b of the present embodiment are the same as those of the first embodiment shown in FIGS. In FIG. 14, the same components as those shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted.

  The final data information storage unit 83b is configured by, for example, the EEPROM 8, stores the last normally executed DGI (data identification information), and replaces the DGI when the issuance processing is completed. Information (completion information) indicating that the issuing process has been completed, such as “0x0000”, is stored.

  The control unit 50b is realized by, for example, the CPU 5, the RAM 7, the ROM 6, or the EEPROM 8, and controls the IC card 1b as a whole. The control unit 50b includes a file management unit 51 and a command processing unit 52b.

  The basic function of the command processing unit 52b is the same as that of the command processing unit 52 of the first embodiment. In the processing of the STORE DATA command, the command processing unit 52b stores the last normally executed DGI (data identification information) in the final data information storage unit 83b, and outputs the last data when the command is the LAST STORE DATA command. “0x0000” is stored in the information storage unit 83b.

  In the processing of the SELECT command, when the information stored in the final data information storage unit 83b is “0x0000”, the command processing unit 52b determines that the issuing process has been completed, and determines that the issuance processing has been completed. If the information stored in the 83b is other than “0x0000”, the information is determined to be the last normally executed DGI. Other processing of the command processing unit 52b is the same as that of the first embodiment.

Next, the operation of the IC card 1b of the present embodiment will be described.
FIG. 15 is a flowchart illustrating an example of the STORE DATA command processing of the IC card 1b of the present embodiment.
In this figure, the processing from step S501 to step S507 is the same as the processing from step S101 to step S107 shown in FIG. 7 described above, and a description thereof will be omitted here.

  In step S508, the command processing unit 52b of the IC card 1b stores “0x0000” in the final data information storage unit 83b. Here, the command processing unit 52b stores “0x0000” in the final data information storage unit 83b as completion information indicating that the issuing process has been completed.

  Further, the processing of steps S509 and S510 is the same as the processing of steps S209 and S210 shown in FIG. 7 described above, and a description thereof will be omitted here.

Also, the SELECT command processing of the IC card 1b of the present embodiment is the same as the processing shown in FIG. 8 except that the determination processing in step S205 is different, and therefore the description thereof is omitted here.
In the present embodiment, in step S205, the command processing unit 52b determines whether or not the issuing process has been completed based on whether or not the information stored in the final data information storage unit 83b is “0x0000”. That is, when the information stored in the final data information storage unit 83b is “0x0000”, the command processing unit 52b determines that the issuing process has been completed.

As described above, in the IC card 1b of the present embodiment, the final data information storage unit 83b shares the function of the above-described final data information storage unit 83 and the function of the completion information storage unit 84. That is, the command processing unit 52b determines whether or not the issuing process has been completed based on the information stored in the final data information storage unit 83b.
As a result, in the IC card 1b of the present embodiment, the memory area of the EEPROM 8 required for the completion information storage unit 84 can be saved, so that the memory area of the EEPROM 8 can be used more effectively.

(Fourth embodiment)
Next, the issuing device 20 for issuing the above-described IC card 1 (1a, 1b) and the IC card issuing system 200 will be described with reference to the drawings.
FIG. 16 is a block diagram illustrating a configuration example of the IC card issuing system 200 according to the present embodiment.
As shown in this figure, the IC card issuing system 200 includes an issuing device 20 and an IC card 1 (1a, 1b).
The issuing device 20 includes a communication unit 21, an issuance information storage unit 22, and an issuance control unit 23. The issuing device 20 is, for example, a device used by an issuer in an issuing process (issuing process).

  The communication unit 21 communicates with the communication unit 40 of the IC card 1 (1a, 1b) via the contact unit 3 of the IC card 1 (1a, 1b). The communication unit 21 transmits various commands such as a write request (STORE DATA command) for storing information in the IC card 1 (1a, 1b) to the IC card 1 (1a, 1b). In addition, the communication unit 21 receives, from the IC card 1 (1a, 1b), a response as an execution result of a process corresponding to various commands.

  The issuance information storage unit 22 stores a plurality of pieces of issuance information to be written to the IC card 1 (1a, 1b) when issuing the IC card 1 (1a). The issue information includes at least DGI (data identification information) and data (at least data corresponding to an application) to be written in a predetermined area (EF) corresponding to the DGI.

The issuance control unit 23 is, for example, a processor including a CPU and the like, and controls the issuing device 20 as a whole. The issuance control unit 23 includes an information acquisition unit 231 and an issuance processing unit 232.
The information acquisition unit 231 (an example of an acquisition unit) acquires issue information from the issue information storage unit 22.

  The issuance processing unit 232 transmits the plurality of pieces of issuance information acquired by the information acquisition unit 231 to the IC card 1 (1a, 1b) by a STORE DATA command (write request) in a predetermined order, and executes the issuance processing. The issuance processing unit 232, when receiving the DGI stored in the final data information storage unit 83 (83a, 83b) from the IC card 1 (1a, 1b) before the issuance process, , The issuance process is started from the order position based on the issuance information corresponding to the received DGI.

That is, the issuance processing unit 232 transmits the SELECT command to the IC card 1 (1a, 1b) via the communication unit 21 and issues a response to the SELECT command via the communication unit 21 before the issuance process. Receive from IC card 1 (1a, 1b). When the response includes a DGI based on the TLV format data D1 of “0xDF01” in the response, the issuance processing unit 232 starts the issuance process from the issuance information next to the issuance information corresponding to the received DGI.
Note that the issuance processing unit 232 performs the same processing as that of the external device 2 illustrated in FIGS. 9 and 10 described above as the issuance processing.

Next, the operation of the IC card issuing system 200 of the present embodiment will be described with reference to FIG.
FIG. 17 is a flowchart illustrating an example of the operation of the issuing device 20 of the present embodiment.
As shown in FIG. 17, the issue processing unit 232 of the issue device 20 first acquires a plurality of pieces of issue information from the issue information storage unit 22 (Step S601).

  Next, the issuance processing unit 232 transmits a SELECT command to the IC card 1 (1a, 1b) (Step S602). The issuance processing unit 232 transmits a SELECT command for selecting an application for which issuance processing is performed to the IC card 1 (1a, 1b) via the communication unit 21.

  Next, the issuance processing unit 232 receives a response to the SELECT command (Step S603). The issuance processing unit 232 receives, via the communication unit 21, a response to the SELECT command including the FCI.

  Next, the issuance processing unit 232 determines whether or not the final data information is included in the response (Step S604). The issuance processing unit 232 determines whether or not the FCI of the received response includes a DGI based on the TLV format data D1 of “0xDF01”. If the response includes final data information (DGI of the TLV format data D1) (step S604: YES), the issuance processing unit 232 advances the process to step S605. If the response does not include the final data information (DGI of the TLV format data D1) (step S604: NO), the issuance processing unit 232 advances the process to step S606.

  In step S605, the issuance processing unit 232 performs the issuance process from the issuance information next to the issuance information corresponding to the final data information (reception DGI). That is, the issuance processing unit 232 determines from the final data information (reception DGI) that the issuance process has been performed normally up to the final data information (reception DGI), and issues the next issuance information after the final data information (reception DGI). To start the issuing process. The issuance processing unit 232 ends the processing after the issuance processing ends.

  In step S606, the issuance processing unit 232 performs the issuance processing from the beginning of the plurality of pieces of issuance information. The issuance processing unit 232 ends the processing after the issuance processing ends.

As described above, the issuing device 20 according to the present embodiment includes the information acquisition unit 231 (acquisition unit) and the issuance processing unit 232. The information acquisition unit 231 acquires issuance information in which at least data corresponding to an application is associated with DGI (data identification information). The issuance processing unit 232 transmits the plurality of pieces of issuance information acquired by the information acquisition unit 231 to the IC card 1 (1a, 1b) by a STORE DATA command (write request) in a predetermined order, and executes the issuance processing. Further, when the issuance processing unit 232 receives the data identification information stored in the final data information storage unit 83 from the IC card 1 (1a, 1b) before the issuance processing, the issuance processing unit 232 receives the data identification information in a predetermined order. The issuing process starts from an order position based on the issuing information corresponding to the DGI (data identification information).
Thereby, the issuing device 20 according to the present embodiment has the same effect as the above-described IC card 1 (1a, 1b), and can restart the issuing process when the issuing process is interrupted halfway.

  In the above embodiments, an example in which the STORE DATA command is used as an example of a write request has been described. However, for example, another write command such as a WRITE BINARY command or a WRITE RECORD command may be used.

  Further, in each of the above embodiments, an example has been described in which the completion information indicating that the issuing process has been completed is stored in the completion information storage unit 84 (84a) by the LAST STORE DATA command. However, the present invention is not limited to this. is not. For example, when the issuing process is completed, the completion information indicating that the issuing process has been completed may be stored in the completion information storage unit 84 (84a) by a dedicated command.

  Further, in each of the above-described embodiments, an example in which DGI is used as an example of data identification information has been described, but a file ID such as EFID may be used. That is, the final data information storage unit 83 (83a, 83b) may store the last normally executed EFID.

  In each of the above embodiments, an example has been described in which the DGI stored in the final data information storage unit 83 (83a, 83b) is transmitted to the outside of the IC card 1 (1a, 1b) using a SELECT command. However, the present invention is not limited to this. The DGI stored in the final data information storage unit 83 (83a, 83b) may be transmitted to the outside by a newly added dedicated command, for example, or by using another existing command. Is also good.

  In each of the above embodiments, an example in which the IC card 1 (1a, 1b) is used as an example of a portable electronic device has been described, but the present invention is not limited to this. The portable electronic device may be, for example, an electronic device such as an IC tag that does not have a card shape.

  Further, in each of the above-described embodiments, the example in which the IC card 1 (1a, 1b) communicates with the external device 2 via the contact unit 3 has been described, but the external device is connected via the contactless interface using a coil or the like. 2 may be configured to communicate.

  Further, in each of the above embodiments, the IC card 1 (1a, 1b) includes the EEPROM 8 as a rewritable nonvolatile memory, but is not limited to this. For example, the IC card 1 (1a, 1b) may include a flash memory, a FeRAM (Ferroelectric Random Access Memory: ferroelectric memory) or the like instead of the EEPROM 8.

  In the fourth embodiment, the IC card issuing system 200 has been described as an example in which the issuing device 20 includes the issuing information storage unit 22. However, the IC card issuing system 200 may include the issuing information storage unit 22 outside the issuing device 20. You may. In this case, for example, a server device or the like that can be connected to the issuing device 20 via a network may include the issuing information storage unit 22.

  According to at least one embodiment described above, a write process for storing data in the AP data storage unit 81 is performed by a write command including data to be stored in the AP data storage unit 81 and data identification information for identifying data. The last data information storage unit 83 that stores the last normally executed data identification information, and whether or not the issuance process of storing the data corresponding to the application in the AP data storage unit 81 by the write command is completed. When the completion information storage unit 84 that stores the completion information and the completion information that is stored in the completion information storage unit 84 indicate that the issuance process is not completed, the data identification information that is stored in the final data information storage unit 83 is stored. By having the command processing unit 52 for performing a process of transmitting to the external device 2, the issuing process is interrupted halfway. In the case was, it is possible to resume the issuing process.

The above embodiment can be expressed as follows.
A data storage unit for storing data,
According to a write request including data to be stored in the data storage unit received from an external device and data identification information for identifying the data, a write process of storing the data in the data storage unit is finally normally performed. A final data information storage unit for storing the data identification information,
A completion information storage unit that stores completion information indicating whether or not an issuance process of storing data corresponding to an application in the data storage unit has been completed by the write request;
A storage unit that stores at least information on a program executable by the computer,
A hardware processor that executes a program stored in the storage unit,
The hardware processor executes the program,
When the completion information stored in the completion information storage unit indicates that the issuance process has not been completed, a process of transmitting the data identification information stored in the final data information storage unit to the external device is performed. A portable electronic device configured as follows.

A program for realizing the functions of the components included in the IC card issuing system 200 and the issuing device 20 according to the embodiment is recorded on a computer-readable recording medium, and the program recorded on the recording medium is stored in a computer system. By reading and executing, the above-described processing in each configuration included in the IC card issuing system 200 and the issuing device 20 may be performed. Here, "to make the computer system read and execute the program recorded on the recording medium" includes installing the program in the computer system. The “computer system” here includes an OS and hardware such as peripheral devices.
The “computer-readable recording medium” refers to a portable medium such as a flexible disk, a magneto-optical disk, a ROM, and a CD-ROM, and a storage device such as a hard disk built in a computer system.

  Although several embodiments of the present invention have been described, these embodiments are provided by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in other various forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and equivalents thereof.

  1, 1a, 1b IC card, 2 external device, 3 contact part, 4 UART, 5 CPU, 6 ROM, 7 RAM, 8 EEPROM, 10 IC module, 20 issuing device, 21 , 40 communication unit, 22 issue information storage unit, 23 issue control unit, 50, 50a, 50b control unit, 51 file management unit, 52, 52a, 52b command processing unit, 81 AP data storage unit , 82: File management information storage unit, 83, 83a, 83b: Final data information storage unit, 84: Completion information storage unit, 100: IC chip, 200: IC card issuing system, 231: Information acquisition unit, 232: Issuing process Part, PT ... card base material

Claims (8)

A data storage unit for storing data,
Including the data received from the external device and the data identification information for identifying the data, storing the data in the data storage unit in response to a data write request from the external device that requests writing to the data storage unit A write process, a final data information storage unit that stores the data identification information that has been normally executed last,
A completion information storage unit that stores completion information indicating whether or not an issuance process of storing data corresponding to an application in the data storage unit has been completed by the write request;
When the completion information stored in the completion information storage unit indicates that the issuance process has not been completed, a process of transmitting the data identification information stored in the final data information storage unit to the external device is performed. A portable electronic device comprising: a processing unit. The processing unit stores the final data information storage unit when the completion information indicates that the issuing process has not been completed in response to a selection request for selecting the application received from the external device. The portable electronic device according to claim 1, performing a process of transmitting a response including the data identification information to the external device. The processing unit performs a process of transmitting, to the external device, a response that does not include the data identification information stored in the final data information storage unit when the completion information indicates that the issuance process has been completed. 3. The portable electronic device according to 2. The final data information storage unit stores the application identification information for identifying the application in association with the data identification information finally normally executed in the application issuing process,
The processing unit, in response to a selection request to select the application, when the completion information indicates that the issuance processing is not completed, the processing unit is associated with the application identification information included in the selection request The portable electronic device according to claim 2, wherein the data identification information is acquired from the final data information storage unit, and a process including transmitting the response including the acquired data identification information to the external device is performed. The processing unit includes:
When the write request includes information indicating that the data is the last data of the issuance process, information indicating that the issuance process has been completed is stored as the completion information as the completion information. In the department
When the write request does not include information indicating that the data is the last data of the issuing process, the last data information storage unit stores the data identification information included in the write request. The portable electronic device according to claim 1. The processing unit, when the write request includes information indicating that the data is the last data of the issuing process, the data identification information stored in the final data information storage unit The portable electronic device according to claim 5. A data storage unit for storing data,
Including the data received from the external device and the data identification information for identifying the data, storing the data in the data storage unit in response to a data write request from the external device that requests writing to the data storage unit A write process, a final data information storage unit that stores the data identification information that has been normally executed last,
A completion information storage unit that stores completion information indicating whether or not an issuance process of storing data corresponding to an application in the data storage unit has been completed by the write request;
When the completion information stored in the completion information storage unit indicates that the issuance process has not been completed, a process of transmitting the data identification information stored in the final data information storage unit to the external device is performed. An IC module comprising: a processing unit;
An IC card comprising: a card body in which the IC module is embedded. An issuing device that issues the portable electronic device according to any one of claims 1 to 6,
At least data corresponding to the application, an acquisition unit that acquires the issuance information that is associated with the data identification information,
An issuance processing unit that transmits the plurality of pieces of the issuance information acquired by the acquisition unit to the portable electronic device by the write request in a predetermined order, and executes the issuance processing,
The issuance processing unit, before the issuance process, when the data identification information stored in the final data information storage unit is received from the portable electronic device, the received data in the predetermined order, An issuing device that starts the issuing process from an order position based on the issuing information corresponding to identification information.

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