JP5280402B2 - Application download method and system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an application download method and system thereof for switching an application download destination to an IC card or an IC card function server according to a place where the application is used. <P>SOLUTION: An application download server 30 predetermines places where an application is used, an IC card 10 only or both the IC card 10 and an IC card function server 50. Then, the application download server compares the size of IC card free memory space with the application size to determine which one of the two, the IC card 10 or the IC card function server 50, executes a download. Furthermore, the application download server sets information of either a terminal 20 or the IC card function server 50 for a command transmission destination information of an application download command, and transmits the information to an IC card command router 40 so as to have the application download command transferred according to the transmission destination information. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

  The present invention provides a server (hereinafter referred to as an “IC card function server”) capable of executing the same application as the IC card on the network, separately from the IC card, and the applications are distributed and arranged on the IC card and the IC card function server. In addition, the present invention relates to an application download method for appropriately selecting an application mounting destination according to an IC card usage scene, and a system thereof.

  Conventionally, single-function IC cards have been the mainstream, but in recent years, multi-application type IC cards capable of mounting a plurality of applications on an IC card have been put into practical use and are becoming widespread. As a multi-application type IC card system, the Global Platform specification is an industry standard.

  A multi-application type IC card stores program codes and data of a plurality of applications in the memory of the IC card, but the memory size of a general IC card is as small as about 32 KB to 64 KB, and only a few applications are mounted. Can not.

  On the other hand, the usage scene (use destination) of an IC card may not be connected to a network, such as payment of a bus fee, and an application used for such a service is an IC card. Need to be mounted on.

  In the conventional IC card operation method, if memory is insufficient when a new application is installed, (1) a method of deleting an installed application from the IC card and installing a new application, or (2) another IC A method has been adopted in which a card is prepared and a new application is installed. A product developed by Nippon Telegraph and Telephone Corporation (NTT) is an example of a product that provides a function for loading (downloading) an application to an IC card when the IC card is operated by the methods (1) and (2) above. (For example, refer nonpatent literature 1).

“Information and Communication Glossary NICE (Network-based IC Card Environment)”, March 17, 2008 report, Nippon Telegraph and Telephone Corporation, [online], [May 6, 2010 search], Internet <http: / /www.ntt-review.jp/yougo/word.php?word_id=1447>

  Regarding the method of operating an IC card described in Non-Patent Document 1, the method (1) has a problem that it is necessary to replace the application depending on the usage scene, which takes time for the user. In the case of the method 2), there is a problem in that convenience is lowered because the user needs to use different IC cards depending on the usage scene.

  IC card memory increase can be considered as a solution to these problems, but in reality, there is a limitation due to the size of the IC chip (it is necessary to package functions such as the CPU, memory, and communication function in a chip size of about 3 mm square. Therefore, the amount of memory cannot be easily added as in a personal computer (PC).

  In the future, applications used in public services and private services are increasing, and it is desired to solve the above problems.

  An object of the present invention is to provide an IC card function server that can execute the same application as an IC card on a network, separately from the IC card, and to distribute the applications on the IC card and the IC card function server and to use the IC card. An object of the present invention is to provide an application download method and system for appropriately selecting an application installation destination according to a scene.

  In the present invention, a server capable of executing the same application as an IC card is prepared on a network, the applications are distributed and arranged on the IC card and the IC card function server, and the IC card and the IC card function server are virtually one. A system that operates as an IC card is constructed, and IC card applications are distributed and stored in the IC card and the IC card function server. The IC card function server is a server on the network. When an application on the IC card function server is used, a terminal (PC) is connected to the network. In particular, the present invention makes it possible to distribute applications in an IC card and an IC card function server, and to select an application mounting destination appropriately according to the usage scene of the IC card.

  That is, in the usage scene of the IC card, there is a case where the terminal (fare box) is not connected to the network as in the case of payment of the bus fee, and not all applications are operable on the IC card function server. An application used for such a service needs to be mounted on an IC card.

  On the other hand, an application used in a service on the premise that a terminal (PC) is connected to a network, such as payment in e-commerce, may be installed on either an IC card or an IC card function server. It will be.

  As described above, it is necessary to appropriately select the application mounting destination according to the usage scene of the IC card, but in the conventional technology, the application mounting destination is appropriately selected according to the usage scene of the IC card application. In order to solve the problem that the function to be performed has not been realized, in the present invention, in the application download system in which the IC card and the IC card function server virtually operate as one IC card, the application usage scene (use destination) Thus, a system having a function of switching the application download destination to the IC card or the IC card function server is constructed. Thereby, it becomes possible to appropriately download the application to the IC card or the IC card function server.

That is, the application download method of the present invention is an application download system configured by distributing and executing an application executable on an IC card on an IC card function server. An application download method for switching to an IC card or the IC card function server,
The application download system includes an IC card command router, an IC card, a terminal responsible for communication between the IC card and the application download server, an IC card function server, and an application download server having an application download function. And
The application download server determines in advance whether the application uses only the IC card for each application, or both the IC card and the IC card function server, and further, through the terminal, Compare the IC card free memory size acquired from the IC card with the application size, which is the memory size required to load the program code and data of the application for downloading to the IC card or the IC card function server, An application download command which is a command for determining which of the IC card or the IC card function server is to download an application and downloading the application Information on either the terminal or the IC card function server is set in the command transmission destination information, and the IC card identification number for identifying the IC card and the command transmission destination information are set together with the application download command in the IC To the card command router,
The IC card command router causes the application download command to be transferred according to the transmission destination information so that either the IC card or the IC card function server can execute the download of the application. It is characterized by.

In the application download method of the present invention,
(A) The terminal is identified by the application download server via the terminal, with an IC card identification number for identifying the IC card from the IC card and information on the IC card free memory size of the IC card. Terminal IDs to be acquired, search for and obtain application IDs from a predetermined first database unit using the IC card identification number as a key, and send a list of the application IDs to the terminal of the terminal ID Steps,
(B) The application ID selected by the terminal of the IC card by the terminal is transmitted to the application download server together with the terminal ID and the IC card identification number information. And steps to
(C) Using the application ID as a key by the application download server, the application download size assigned in advance according to the application size, application substance, and usage destination of the application corresponding to the application ID from the first database unit As a result of searching for and obtaining information of an execution environment identifier indicating information of the IC card or the IC card function server as a result of the comparison of the execution environment identifier, the IC card free memory size, and the application size , In the command transmission destination information of the application download command that is a command for downloading the application, information of either the terminal or the IC card function server is set, Transmitting serial IC card identification number and the command transmission destination information to the IC card command router,
(D) When the IC card command router indicates that the destination information indicates the terminal with the terminal ID, the application download command is transmitted to the terminal, and the destination information is the IC card function server. Sending the IC card identification number and the application download command to the IC card function server,
(E) The application download command is executed by the terminal or the IC card function server that acquires the application download command, and a response indicating the execution result is transmitted to the application download server via the IC card command router. And steps to
(F) sending a message to the terminal that the download process is completed by the application download server;
It is characterized by including.

In the application download method of the present invention,
The step (C)
When the execution environment identifier is the IC card free memory size ≧ application size for the application for the IC card, the terminal ID of the terminal is set in the command transmission destination information, and the IC card identification number and Transmitting the command destination information to the IC card command router;
When the execution environment identifier is the IC card free memory size <application size for the IC card application, a message indicating that the memory is insufficient is sent to the terminal;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size ≧ the application size, the terminal ID of the terminal is set in the command transmission destination information Transmitting the IC card identification number and the command transmission destination information to the IC card command router;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size is smaller than the application size, the IC card function server is addressed to the command transmission destination information. And sending the IC card identification number and the command transmission destination information to the IC card command router;
It is characterized by including.

Furthermore, the application download system of the present invention is configured by distributing and executing applications executable on an IC card on an IC card function server, and the application download destination is the IC card or the IC card according to the application usage destination. An application download system for switching to a function server,
The application download system includes an IC card command router, an IC card, a terminal responsible for communication between the IC card and the application download server, an IC card function server, and an application download server having an application download function,
The application download server determines in advance whether the application uses only the IC card for each application, or both the IC card and the IC card function server, and further, through the terminal, Compare the IC card free memory size acquired from the IC card with the application size, which is the memory size required to load the program code and data of the application for downloading to the IC card or the IC card function server, An application download command frame which is a command for determining whether the IC card or the IC card function server is to download an application and downloading the application. Information of either the terminal or the IC card function server is set in the transmission destination information, and the IC card identification number for identifying the IC card and the command transmission destination information together with the application download command are set in the IC Means to send to the card command router,
The IC card command router is configured to transfer the application download command in accordance with the transmission destination information so that either the IC card or the IC card function server can execute the download of the application. It is characterized by having.

Furthermore, in the application download system of the present invention,
(A) The application download server identifies the terminal through the terminal by identifying an IC card identification number for identifying the IC card from the IC card and information on an IC card free memory size of the IC card. Terminal IDs to be acquired, search for and obtain application IDs from a predetermined first database unit using the IC card identification number as a key, and send a list of the application IDs to the terminal of the terminal ID Having means,
(B) The terminal transmits one application ID of the list of application IDs selected by the user of the IC card to the application download server together with the terminal ID and the information of the IC card identification number. Means to
(C) The application download server uses the application ID as a key, and downloads an application preassigned from the first database unit according to the application size, application entity, and usage destination of the application corresponding to the application ID. As a result of searching for and obtaining information of an execution environment identifier indicating information of the IC card or the IC card function server as a result of the comparison of the execution environment identifier, the IC card free memory size, and the application size , Information on either the terminal or the IC card function server is set in command transmission destination information of an application download command that is a command for downloading the application, and the I And means for transmitting said command transmission destination information and the card identification number to the IC card command router,
(D) When the transmission destination information indicates that the terminal with the terminal ID is the destination, the IC card command router transmits the application download command to the terminal, and the transmission destination information is the IC card function server. Means for transmitting the IC card identification number and the application download command to the IC card function server,
(E) The terminal or the IC card function server that acquires the application download command executes the application download command, and sends a response indicating the execution result to the application download server via the IC card command router. Means to
(F) The application download server has means for transmitting a message to the effect that download processing has been completed to the terminal.
It is characterized by that.

Furthermore, in the application download system of the present invention,
The means (C)
When the execution environment identifier is the IC card free memory size ≧ application size for the application for the IC card, the terminal ID of the terminal is set in the command transmission destination information, and the IC card identification number and Means for transmitting the command destination information to the IC card command router;
Means for transmitting, to the terminal, a message indicating that memory is insufficient when the execution environment identifier is the IC card free memory size <application size, for the application for the IC card;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size ≧ the application size, the terminal ID of the terminal is set in the command transmission destination information Means for transmitting the IC card identification number and the command transmission destination information to the IC card command router;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size is smaller than the application size, the IC card function server is addressed to the command transmission destination information. Means for transmitting the IC card identification number and the command transmission destination information to the IC card command router;
It is characterized by having.

  In a system in which an IC card and an IC card function server operate virtually as a single IC card, a system having a function of switching an application download destination to an IC card or an IC card function server according to an application use scene is provided. Thus, it is possible to appropriately download the application to the IC card and the IC card function server.

It is the schematic of the application download system of one Example by this invention. It is a figure which shows the structure of the 1st database part in the application download system of one Example by this invention. It is a figure which shows the structure of the 2nd database part in the application download system of one Example by this invention. It is an operation | movement flowchart of the application download system of one Example by this invention. It is an operation | movement flowchart of an IC card and a terminal in the application download system of one Example by this invention. It is an operation | movement flowchart of the IC card function server in the application download system of one Example by this invention.

  Hereinafter, an application download system according to an embodiment of the present invention will be described. The application download method according to the present invention will become clear from the description of the application download system of the present embodiment.

〔System configuration〕
FIG. 1 is a schematic diagram of an application download system according to an embodiment of the present invention. 2 and 3 are diagrams showing the configuration of the database unit in the application download system according to the embodiment of the present invention. The application download system 100 according to the present embodiment is an IC card 10 owned by a user, a terminal 20 that provides a function for connecting the IC card 10 to a network, and a server that operates on the network. An IC card function server 50 that provides the above functions, an application download server 30 that is managed by the card issuer and has a function of downloading an application to the IC card 10 or the IC card function server 50, and an IC card corresponding to the application to be downloaded An IC card command router 40 that provides a function of switching a transmission destination of commands (application download commands) to the IC card 10 or the IC card function server 50 is provided.

(IC card)
The IC card 10 stores in advance an IC card identification number as an ID for uniquely identifying the IC card 10 and information on the IC card free memory size. The information on the IC card identification number and the IC card free memory size is stored in advance. And a function of executing an application download in response to an IC card command (application download command) received via the terminal 20 (including a function of transmitting a response of the execution result to the terminal 20). And have. The IC card free memory size is a free memory size for storing application program code and data.

(Terminal)
The terminal 20 holds in advance a terminal ID as an ID for uniquely identifying the terminal 20 and is registered in advance in the application download system 100 of the present embodiment. The terminal 20 is connected to an IC card reader / writer (not shown), and obtains an IC card identification number and IC card free memory size information from the IC card 10, a terminal ID, an IC card identification number, and an IC A function of transmitting information on the card free memory size to the application download server 30; a function of receiving a message transmitted from the application download server 30; an IC card identification number and an IC card command transmitted from the IC card command router 40 ( A function of receiving an application download command), a function of transmitting an IC card command (application download command) to the IC card 10 via a connected reader / writer, and an IC card identifier transmitted from the IC card command router 40. Number, has a function of receiving the IC card command (application download command), the terminal ID, IC card identification number, and a function of transmitting to the IC card command router 40 response.

(IC card function server)
The IC card function server 50 includes a command input / output function unit 501, an application loading function unit 502, and a second database unit 503.

  The command input / output function unit 501 has a function of receiving an IC card identification number and an IC card command (application download command), a function of transmitting a response to the IC card command router 40, and an application of the IC card command (application download command). And a function for sending to the on-board function unit 502.

  The application mounting function unit 502 stores the function of receiving an IC card command (application download command) and the second database unit 503 as a combination of an IC card identification number, an application ID, and an application entity (program code and data). Holding function.

(Application download server)
The application download server 30 acquires the application ID from the first database 301 using the terminal ID transmitted from the terminal 20, the function of receiving the IC card identification number and the IC card free memory size, and the IC card identification number as keys. A function, a function of transmitting a list of application IDs to the terminal 20, a function of receiving a terminal ID, an IC card identification number and an application ID (selected by the user) transmitted from the terminal 20, and an application ID as a key The function of acquiring application information (application size, application entity, and execution environment identifier) from the first database unit 301 is compared with information on the IC card free memory size and application size, and the destination information is determined according to the execution environment identifier. “IC A function for setting a "mode" or "IC card function server", a function for transmitting command transmission destination information to the IC card command router 40, a terminal ID, an IC card identification number, an IC card command ( A function of transmitting an application download command), a function of receiving an IC card identification number and a response (execution result) transmitted from the IC card command router 40, and a function of transmitting a message to the terminal 20. The application information is composed of a combination of an application size, an application entity, and an execution environment identifier, and is registered in advance in the database (# 1-2) in the first database unit 301.

(IC card command router)
The IC card command router 40 has a function of receiving a terminal ID, an IC card identification number 40a and an IC card command (application download command) transmitted from the application download server 30, and command transmission destination information transmitted from the application download server 30. And the IC card command (application download command) transmitted from the application download server 30 to the terminal 20 or the IC card function server 50 based on the command transmission destination information (the transmission destination based on the transmission destination information 40b) A function to transmit an IC card identification number and an IC card command to the terminal 20, and an IC card command (application download command) to the IC card. It has a function of transmitting to the function server 50, and a function of transmitting the response of the IC card identification number and the IC card command (application download command) to the application download server 30.

  Next, the operation of the application download system according to an embodiment of the present invention will be described. FIG. 3 is a diagram showing an operation flow of the application download system according to the embodiment of the present invention.

[System operation]
The user inserts the IC card 10 into an IC card reader / writer connected to the terminal 20 (step S1).

  The terminal 20 acquires information on the IC card identification number and the IC card free memory size from the IC card 10 (step S2). The IC card identification number is an ID for uniquely identifying an IC card, and is assumed to be stored in the IC card 10 in advance. The IC card free memory size is a free memory size for storing application program code and data.

  The terminal 20 transmits information on the terminal ID, the IC card identification number, and the IC card free memory size to the application download server 30 (step S3). The terminal ID is an ID that uniquely identifies the terminal 20 and is registered in the terminal 20 in advance.

  Hereinafter, a procedure for downloading an application for the IC card 10 will be described.

  The application download server 30 acquires the application ID from the first database unit 301 (see the database (# 1-1) shown in FIG. 2) using the IC card identification number as a key (step S4). The acquired application ID is an identifier of the IC card application that can be downloaded to the IC card with the IC card identification number, and is registered in the database (# 1-1) in the first database unit 301 in advance. And The IC card identification number and application ID stored in the database (# 1-1) have a one-to-n relationship (the number of applications stored in the IC card function server 50). Subsequently, the application download server 30 transmits a list of application IDs acquired from the database (# 1-1) in the first database unit 301 to the terminal 20 having the terminal ID.

  The terminal 20 displays the acquired application ID list on the screen (step S5). When the user selects one of the application IDs from the list of application IDs by using a device such as a keyboard and mouse of the terminal 20, the terminal 20 uses the terminal ID, the IC card identification number (acquired), and the usage. The application ID selected by the user is transmitted to the application download server 30.

  The application download server 30 acquires application information from the first database unit 301 (see the database (# 1-2) shown in FIG. 2) using the application ID as a key (step S6). The application information is composed of a set of an application size, an application entity, and an execution environment identifier. It is assumed that the application information is registered in advance in the database (# 1-2) in the first database unit 301.

  The application size is a memory size necessary for mounting application program code and data. The application entity is a program code and data that can be executed by the IC card and the IC card function server 50. As the execution environment identifier, one of the following is set for each application.

(1) Application that operates only with the IC card 10 (2) Application that operates with either the IC card or the IC card function server 50

  For example, the above (1) is an application used in a service in which a terminal (fare box) is not connected to a network, such as a bus fee payment service, and the above (2) is a terminal, such as payment in e-commerce. There are applications that are used in services on the assumption that (PC) is connected to a network, and an execution environment identifier is associated with each application in order to identify these applications.

  With this execution environment identifier, it becomes possible to select the IC card 10 or the IC card function server 50 as the download destination of the application according to the usage scene.

  The application download server 30 compares the acquired IC card free memory size and application size information, and executes the following processing according to the acquired execution environment identifier.

(1) For an application whose execution environment identifier is “operating with only the IC card 10”, when “IC card free memory size ≧ application size”, the application download server 30 includes “terminal” of the terminal 20 in the command transmission destination information. ID ”is set, and the IC card identification number and command transmission destination information are transmitted to the IC card command router 40.

(2) For an application whose execution environment identifier is “operating with only the IC card 10”, when “IC card free memory size <application size”, the application download server 30 sends an error (memory shortage) message to the terminal 20 Send to. The terminal 20 displays the received message on the screen, and the download process is completed.

(3) For an application whose execution environment identifier is “operated by both IC card 10 and IC card function server 50”, when “IC card free memory size ≧ application size”, the application download server 30 sends the command transmission destination The “terminal ID” of the terminal 20 is set in the information, and the IC card identification number and command transmission destination information are transmitted to the IC card command router 40.

(4) For an application whose execution environment identifier is “operated by both IC card 10 and IC card function server 50”, when “IC card free memory size <application size”, the application download server 30 sends the command transmission destination “IC card function server” is set in the information, and the IC card identification number and command transmission destination information are transmitted to the IC card command router 40.

  The IC card command router 40 receives the IC card identification number and the command transmission destination information from the application download server 30. When the command transmission destination information is “terminal ID”, the “terminal” is used as the transmission destination information corresponding to the IC card identification number. When “ID” is set and the command transmission destination information is “IC card function server”, “IC card function server” is set as transmission destination information corresponding to the IC card identification number (step S7).

  The application download server 30 transmits the IC card identification number and the IC card command (application download command) to the IC card command router 40 (step S8). The application download command is given an application ID and an application entity as arguments.

  The IC card command router 40 executes the following processing according to the destination information (terminal ID or IC card function server) of the IC card command (application download command) set in the IC card identification number (step S9).

(1) When the destination information is “terminal ID”, an IC card command (application download command) is transmitted to the terminal 20 corresponding to the terminal ID.
(2) When the destination information is “IC card function server”, an IC card identification number and an IC card command (application download command) are transmitted to the IC card function server.

  The terminal 20 (and the IC card 10) or the IC card function server 50 executes the received IC card command (application download command) and transmits a response to the IC card command router 40 (steps S10 and S11).

  The application download procedure for the terminal 20 (and the IC card 10) will be described later with reference to FIG. The application download procedure for the IC card function server will be described later with reference to FIG.

  The IC card command router 40 transmits the IC card identification number and the response (of the application download command) to the application download server 30 (step S12).

  The application download server 30 transmits a message “application download complete” to the terminal 20 (step S13). The terminal 20 displays the received message on the screen, and the download process is completed.

  The application download procedure for the terminal 20 (and the IC card 10) will be described with reference to FIG.

  The terminal 20 that has received the IC card command (application download command) transmitted from the IC card command router 40 executes processing in the following procedure (step S21).

  The terminal 20 transmits an IC card command (application download command) to the IC card 10 via the connected reader / writer (step S22).

  The IC card 10 executes the received IC card command (application download command) (step S23).

  After completing the execution of the IC card command (application download command), the IC card 10 transmits an execution result (response) to the terminal 20 (step S24).

  The terminal 20 transfers the execution result (response) to the IC card command router 40 (step S25).

  Next, an application download procedure for the IC card function server will be described with reference to FIG.

  The IC card function server 50 that has received the IC card identification number and the IC card command (application download command) transmitted from the IC card command router 40 uses the command input / output function unit 501 to execute the IC card identification number and the IC card command (application). Download command) is received (step S31).

  The command input / output function unit 501 passes the IC card command (application download command) to the application mounting function unit 502 (step S32).

  The application mounting function unit 502 acquires the application ID and the application entity (program code and data) from the IC card command (application download command), and sends the IC card identification number to the database (# 2-1) in the second database unit 503. The application ID and the application entity (program code and data) are stored as a set (step S33).

  An execution result (response) of database storage is transmitted from the application loading function unit 502 to the command input / output function unit 501 (step S34).

  The command input / output function unit 501 transmits the execution result (response) to the IC card command router 40 (step S35).

  According to the present invention, when an application for an IC card is downloaded, the download destination of the application can be appropriately switched to the IC card or the IC card function server.

  For example, an application used in a service in which a terminal (fee box) is not connected to the network, such as a bus fee payment service, downloads the application to an “IC card”, and a terminal (PC ) Is used for services that are premised on being connected to the network, if there is free memory required to install the application on the IC card, download it to the "IC card" and free memory on the IC card. Can be downloaded to the “IC card function server”.

  According to the present invention, an IC card function server capable of executing the same application as the IC card on the network is prepared separately from the IC card, and the applications are distributed and arranged on the IC card and the IC card function server. Since an application mounting destination can be appropriately selected according to the scene and downloaded, it is useful for a multi-application IC card.

DESCRIPTION OF SYMBOLS 10 IC card 20 Terminal 30 Application download server 40 IC card command router 50 IC card function server 100 Application download system 301 1st database part 501 Command input / output function part 502 Application loading function part 503 2nd database part

Claims (6)

In an application download system configured by distributing and executing applications executable on an IC card on an IC card function server, the application download destination is switched to the IC card or the IC card function server according to the application usage destination. An application download method,
The application download system includes an IC card command router, an IC card, a terminal responsible for communication between the IC card and the application download server, an IC card function server, and an application download server having an application download function. And
The application download server determines in advance whether the application uses only the IC card for each application, or both the IC card and the IC card function server, and further, through the terminal, Compare the IC card free memory size acquired from the IC card with the application size, which is the memory size required to load the program code and data of the application for downloading to the IC card or the IC card function server, An application download command which is a command for determining which of the IC card or the IC card function server is to download an application and downloading the application Information on either the terminal or the IC card function server is set in the command transmission destination information, and the IC card identification number for identifying the IC card and the command transmission destination information are set together with the application download command in the IC To the card command router,
The IC card command router causes the application download command to be transferred according to the transmission destination information so that either the IC card or the IC card function server can execute the download of the application. An application download method characterized by the above. The application download method according to claim 1,
(A) The terminal is identified by the application download server via the terminal, with an IC card identification number for identifying the IC card from the IC card and information on the IC card free memory size of the IC card. Terminal IDs to be acquired, search for and obtain application IDs from a predetermined first database unit using the IC card identification number as a key, and send a list of the application IDs to the terminal of the terminal ID Steps,
(B) The application ID selected by the terminal of the IC card by the terminal is transmitted to the application download server together with the terminal ID and the IC card identification number information. And steps to
(C) Using the application ID as a key by the application download server, the application download size assigned in advance according to the application size, application substance, and usage destination of the application corresponding to the application ID from the first database unit As a result of searching for and obtaining information of an execution environment identifier indicating information of the IC card or the IC card function server as a result of the comparison of the execution environment identifier, the IC card free memory size, and the application size , In the command transmission destination information of the application download command that is a command for downloading the application, information of either the terminal or the IC card function server is set, Transmitting serial IC card identification number and the command transmission destination information to the IC card command router,
(D) When the IC card command router indicates that the destination information indicates the terminal with the terminal ID, the application download command is transmitted to the terminal, and the destination information is the IC card function server. Sending the IC card identification number and the application download command to the IC card function server,
(E) The application download command is executed by the terminal or the IC card function server that acquires the application download command, and a response indicating the execution result is transmitted to the application download server via the IC card command router. And steps to
(F) sending a message to the terminal that the download process is completed by the application download server;
An application download method comprising: The application download method according to claim 2,
The step (C)
When the execution environment identifier is the IC card free memory size ≧ application size for the application for the IC card, the terminal ID of the terminal is set in the command transmission destination information, and the IC card identification number and Transmitting the command destination information to the IC card command router;
When the execution environment identifier is the IC card free memory size <application size for the IC card application, a message indicating that the memory is insufficient is sent to the terminal;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size ≧ the application size, the terminal ID of the terminal is set in the command transmission destination information Transmitting the IC card identification number and the command transmission destination information to the IC card command router;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size is smaller than the application size, the IC card function server is addressed to the command transmission destination information. And sending the IC card identification number and the command transmission destination information to the IC card command router;
An application download method comprising: An application download system configured by distributing applications executable on an IC card to an IC card function server, and switching an application download destination to the IC card or the IC card function server according to a use destination of the application. ,
The application download system includes an IC card command router, an IC card, a terminal responsible for communication between the IC card and the application download server, an IC card function server, and an application download server having an application download function,
The application download server determines in advance whether the application uses only the IC card for each application, or both the IC card and the IC card function server, and further, through the terminal, Compare the IC card free memory size acquired from the IC card with the application size, which is the memory size required to load the program code and data of the application for downloading to the IC card or the IC card function server, An application download command frame which is a command for determining whether the IC card or the IC card function server is to download an application and downloading the application. Information of either the terminal or the IC card function server is set in the transmission destination information, and the IC card identification number for identifying the IC card and the command transmission destination information together with the application download command are set in the IC Means to send to the card command router,
The IC card command router is configured to transfer the application download command in accordance with the transmission destination information so that either the IC card or the IC card function server can execute the download of the application. An application download system comprising: In the application download system according to claim 4,
(A) The application download server identifies the terminal through the terminal by identifying an IC card identification number for identifying the IC card from the IC card and information on an IC card free memory size of the IC card. Terminal IDs to be acquired, search for and obtain application IDs from a predetermined first database unit using the IC card identification number as a key, and send a list of the application IDs to the terminal of the terminal ID Having means,
(B) The terminal transmits one application ID of the list of application IDs selected by the user of the IC card to the application download server together with the terminal ID and the information of the IC card identification number. Means to
(C) The application download server uses the application ID as a key, and downloads an application preassigned from the first database unit according to the application size, application entity, and usage destination of the application corresponding to the application ID. As a result of searching for and obtaining information of an execution environment identifier indicating information of the IC card or the IC card function server as a result of the comparison of the execution environment identifier, the IC card free memory size, and the application size , Information on either the terminal or the IC card function server is set in command transmission destination information of an application download command that is a command for downloading the application, and the I And means for transmitting said command transmission destination information and the card identification number to the IC card command router,
(D) When the transmission destination information indicates that the terminal with the terminal ID is the destination, the IC card command router transmits the application download command to the terminal, and the transmission destination information is the IC card function server. Means for transmitting the IC card identification number and the application download command to the IC card function server,
(E) The terminal or the IC card function server that acquires the application download command executes the application download command, and sends a response indicating the execution result to the application download server via the IC card command router. Means to
(F) The application download server has means for transmitting a message to the effect that download processing has been completed to the terminal.
An application download system characterized by that. The application download system according to claim 5, wherein
The means (C)
When the execution environment identifier is the IC card free memory size ≧ application size for the application for the IC card, the terminal ID of the terminal is set in the command transmission destination information, and the IC card identification number and Means for transmitting the command destination information to the IC card command router;
Means for transmitting, to the terminal, a message indicating that memory is insufficient when the execution environment identifier is the IC card free memory size <application size, for the application for the IC card;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size ≧ the application size, the terminal ID of the terminal is set in the command transmission destination information Means for transmitting the IC card identification number and the command transmission destination information to the IC card command router;
When the execution environment identifier is an application for both the IC card and the IC card function server and the IC card free memory size is smaller than the application size, the IC card function server is addressed to the command transmission destination information. Means for transmitting the IC card identification number and the command transmission destination information to the IC card command router;
An application download system comprising:

Images