KR100588408B1 - System and Method for Auto-deleting Information Stored in Smart Card - Google Patents

Abstract

The present invention relates to a smart card and smart card storage information erasing system for deleting and / or initializing stored information included in an integrated circuit chip (ICC) equipped with a smart card. And deletion management storage information for managing deleted smart card storage information, and / or the automatic operation of the smart card chip operating system, card management program, and / or deletion management storage information. A smart card including a storage information deleting module for deleting and / or initializing at least one smart card storage information based on deletion information and attribute information, and automatic deletion information and / or properties additionally included in the smart card storage information. Deleting and / or saving smart card stored information via the Delete stored information module based on the information A storage information deletion system consisting of a card terminal device or the like, and a card terminal device and / or a smart card (eg, a storage information deletion module) is based on automatic deletion information and attribute information, which are additionally included in each smart card storage information. Changing attribute information of at least one smart card storage information that satisfies the automatic deletion condition, adding and / or updating the attribute information of the changed smart card storage information to the deletion management storage information; The deletion attribute is activated based on the automatic deletion information and / or attribute information additionally included in the card storage information or the deletion management storage information for managing the automatic deletion information and / or the attribute information of each smart card storage information as described above. Initializing the stored at least one smart card storage information, and the like. The.

Saved Information, Auto Delete

Description

System and Method for Auto-deleting Information Stored in Smart Card}             

1 is a simplified diagram of an open smart card platform in which a card information management module is installed.

FIG. 2 is a simplified diagram of smart card storage information that provides a function of deleting and / or initializing smart card storage information, and more specifically, illustrates a case in which the storage information deletion module is included in the deletion management storage information.

3 is a simplified diagram of a storage information deleting module for changing the attribute information of the smart card storage information to delete the smart card storage information.

4 is a simple exemplary diagram of a case where the automatic deletion information and / or attribute information is additionally included in the smart card storage information.

5 is a simple flowchart of a process of automatically deleting specific smart card storage information based on the automatic deletion information of the smart card storage information by the storage information deleting module.

6 is a simple flowchart illustrating a process of manually deleting specific smart card storage information based on the automatic deletion information of the smart card storage information by the storage information deleting module.

7 is a simple flowchart illustrating a process of initializing the smart card storage information based on the deletion information element file including the information on the deleted smart card storage information.

<Description of main parts of drawing>

100: H / W 105: COS (Chip Operating System)

110: VM (Virtual Machine) 115: Smart card storage information

120: card management program 125: stored information deletion module

The present invention relates to a method and system for automatically deleting smart card storage information, wherein the attribute of at least one smart card storage information that satisfies the automatic deletion condition based on the automatic deletion information and the attribute information additionally included in the smart card storage information is provided. Change the information, add and / or update the attribute information of the changed smart card storage information to the deletion management storage information, the automatic deletion information and / or the attribute information further included in the smart card storage information by the card terminal device, or Initializing at least one or more smart card storage information for which the deletion attribute is activated based on the automatic deletion information and / or deletion management storage information for managing the attribute information of each smart card storage information as described above.

Smart cards have a microprocessor, a card operating system (COS), a security module, a cryptographic coprocessor, and a memory to provide a set of transactions that are processed through the card terminal device. A general term for a card incorporating an integrated circuit chip (ICC), which serves as an authentication means, an approval means, and / or various information providing means.

The smart card is classified into a contact card, a contactless card, a hybrid card, and a combination card according to an interface method, and are classified according to the presence or absence of a central processing unit. It can be classified into a card and a microprocessor card, and can be classified into a single purpose card and a multipurpose card according to the application purpose of the smart card.

Recently, the smart card is a multi-purpose combination card equipped with a central processing unit, which is capable of executing a program regardless of the card manufacturer, and is aimed at an open platform that is independent of the platform and that can be installed and deleted even after the card is issued. Typical smart card open platforms include Javacard, MULTOS, Smart Card For Windows (SCFW), and SmartTEC OS.

The biggest feature of the open smart card is that after the smart card is issued from the card issuer, it is possible to post issuance of the stored information of the smart card, which is a card that has gained access to the smart card storage information. It means that the issuing authority and / or card affiliation authority and the like may include the possibility of adding, updating, and / or deleting smart card storage information previously issued to the smart card.

On the other hand, the post-issuance process of the existing smart card storage information, the card issuing agency and / or card partner institutions to promote the post-issuance to notify the customer who has a smart card, the post-issuance, the customer who possesses the smart card Access the post-issuance server on the Internet through the client equipped with the card terminal device to receive the post-issuance of the smart card storage information, or visit the card issuer and / or post-issuance agency directly to obtain the smart card storage information. As issued, the subject of the post-issuance is limited to the specific smart card storage information obtained with access.

In particular, the existing post-issuance process initializes the memory area in which the card issuing agency and / or the card affiliate institution that has obtained the access right to the specific smart card storage information is post-issued by the smart card storage information, and post-issuance to the memory area. The smart card storage information, which is to be stored, will be managed by the card issuer and / or card affiliation authority. The existing post-issuance process will be used to post-issue new smart card storage information. In that case it may be valid.

However, in a process of providing a service using a smart card, a specific smart card storage information and / or a part of the smart card storage information may be invalid. For example, in the case of smart card storage information that provides a discount coupon function, each discount coupon may include an expiration date, and the discount coupon that has passed the expiration date is no longer valid.

However, in the existing smart card and / or smart card system, the card issuer and / or card affiliation authority cannot confirm such invalid smart card storage information, or in the process even if it tries to force verification. The card issuer and / or card affiliate may not be able to manage such invalid smart card storage information because of the added cost of including the network fee since it must go through the network.

Therefore, the card issuing organization and / or the card affiliate institution collectively initializes the smart card storage information, such as after issuing new smart card storage information, in the post-issuance process for updating the smart card storage information. Post-issue new smart card storage information in accordance with the policy of the card issuer and / or card affiliate.

The existing post-issuance system as described above may be an efficient method for the card issuer and / or the card affiliate institution, but provides the service through the smart card storage information and / or the customer who receives the service through the smart card storage information. It is inefficient for franchisees, etc., and carries a fatal risk that various additional information (eg, customer relationship management information) generated during the service provision process may be damaged and / or lost by the card issuing agency and / or the card affiliate. .

An object of the present invention for resolving the above problems include the addition of automatic deletion information and attribute information to the smart card storage information to automatically delete the storage information provided in the smart card equipped with an integrated circuit chip (ICC) And / or a smart card including deletion management storage information for managing the deleted smart card storage information as described above, and a system for automatically deleting stored information using the update start information, wherein the information is automatically deleted from the stored information included in the smart card. Smart card including additional information, and delete management storage information for managing the smart card storage information automatically deleted based on the automatic deletion information and attribute information, and the automatic deletion information further included in the smart card storage information. And / or to automatically delete smart card storage information based on the Recycle Bin storage information. The card automatically deletes the stored information including a card terminal device for processing, and at the time when the card terminal device supplies power to the smart card and / or when at least one transaction occurs between the card terminal device and the smart card, etc. At least one terminal device and / or a smart card (specifically, the deletion information storage module of the deletion management storage information) that satisfies the automatic deletion condition based on the automatic deletion information and attribute information additionally included in each smart card storage information. In the process of changing the attribute information of the above smart card storage information, adding and / or updating the changed attribute information to the deletion management storage information, and changing and / or issuing the stored information of the smart card by the card terminal device. Automatic, card terminal device is added to the smart card storage information At least one smart card storage information in which a deletion attribute is activated on the basis of the first information and / or attribute information or automatic deletion information and / or deletion management storage information managing attribute information of each smart card storage information as described above. It is to provide a smart card and / or storage information automatic deletion system for automatically deleting the smart card storage information through the process of initializing the.

The present invention relates to a smart card and smart card storage information erasing system for deleting and / or initializing stored information included in an integrated circuit chip (ICC) equipped with a smart card. And deletion management storage information for managing deleted smart card storage information, and / or the automatic operation of the smart card chip operating system, card management program, and / or deletion management storage information. A smart card including a storage information deleting module for deleting and / or initializing at least one smart card storage information based on deletion information and attribute information, and automatic deletion information and / or properties additionally included in the smart card storage information. Deleting and / or saving smart card stored information via the Delete stored information module based on the information A storage information deletion system consisting of a card terminal device, and the like, and a card terminal device and / or a smart card (for example, a storage information deletion module) is used for automatic deletion information and attribute information that are additionally included in each smart card storage information. Changing attribute information of at least one smart card storage information that satisfies the automatic deletion condition on the basis of; adding and / or updating attribute information of the changed smart card storage information to deletion management storage information; The deletion attribute may be based on the automatic deletion information and / or attribute information additionally included in the smart card storage information or the deletion management storage information for managing the automatic deletion information and / or attribute information of each smart card storage information as described above. Initializing the activated at least one smart card storage information; The.

In the present invention, the smart card includes all types of Open Platform smart cards capable of post-issuance of smart card storage information, and additionally, each of the existing smart card storage information includes automatic deletion information and / or attribute information. And deletion management storage information for managing smart card storage information, and also automatic deletion information and / or attribute information of each of the smart card storage information, such as a chip operating system, a card management program, and / or deletion management storage information. And a storage information deletion module for deleting and / or initializing at least one smart card storage information.

According to the present invention, a smart card includes all types of media on which an open platform is mounted among all types of handheld based media on which ICC is mounted. For example, an ICC card with an open platform may be wirelessly formed in the form of an ICC card of a plastic card size conforming to the ISO 7810 standard, a dual slot, a dual chip, and / or a one chip. An ICC card or the like mounted on the terminal is included in the smart card of the present invention.

In the present invention, the storage information deleting module changes the attribute information additionally included in the smart card storage information according to the present invention, thereby deleting and / or initializing the smart card storage information according to the present invention. Contains program code.

According to the present invention, the storage information erasing module may be included in the chip operating system of the smart card, the card management program of the open smart card platform, or may be included as part of the deletion management storage information.

Deleting the smart card storage information using the automatic deletion information and / or attribute information in the present invention does not initialize the portion of the smart card storage information and / or smart card storage information to a null value in the smart card memory, On the basis of the automatic deletion information included in each smart card storage information, the attribute information of the invalid smart card storage information is changed to “delete property”, and a part of the smart card storage information and / or smart card storage information is It is still stored inside the smart card memory, and can be restored by changing the attribute information to “archive attributes” (equivalent to putting it in the trash on the desktop). Recoverable by changing attribute from delete to archive]

In the present invention, the initialization of the smart card storage information in which the attribute information is changed to the "delete attribute" is to change the null value in the smart card memory by replacing a part of the smart card storage information and / or the smart card storage information. And / or a part of the smart card storage information is permanently removed from the smart card memory and is not restored. The new smart card storage information may be updated to a blank area of the smart card storage information initialized as described above. [Same as Emptying the Recycle Bin on the Desktop. Not recoverable]

In the present invention, the deletion process of the smart card storage information is obtained after obtaining at least one or more approvals from card users, card issuing organizations and / or card affiliate organizations, or acquiring the deletion approval according to the policy of the card issuing institution. The card terminal device changes attribute information based on automatic deletion information of each smart card storage information through a storage information deletion module included in a chip operating system (COS) and / or a card management program of the smart card. [If the deletion management storage information is not mounted, the card terminal device directly changes the properties of each smart storage information one by one through the existing smart card operation method], and the card terminal device is mounted inside the smart card. Delete Management Saves each smart card saved information by linking with the saved information deleting module included in the saved information. Process of changing the attribute information based on the deletion information [Delete management When the storage information is mounted, when the card terminal device instructs the storage information deletion module to automatically delete the storage information deletion module, the attribute of each smart card storage information is stored. Change], or in a more advanced smart card (for example, application number: 10-2003-xxxxx, an intelligent smart card), after the card terminal device supplies power to the smart card, automatic deletion start information is added to the smart card. (E.g., current time), the storage information deletion module mounted in the smart card (e.g., chip operating system, card management program, deletion management storage information, etc.) is executed to automatically delete information of each smart card storage information. Process of changing attribute information on the basis of [In the case of an intelligent smart card, the card terminal device inputs power to the smart card, and automatically When providing the starting information (= information required for the automatic deletion module to automatically delete, not the deletion command, for example, the current time), the automatic deletion module is automatically executed, and the attribute of each smart card storage information is stored through the storage information deletion module. It can be made through the] and the like.

In the present invention, the initialization process of the smart card storage information must be obtained at least one or more of the approval of the card user, card issuer and / or card partner institutions, the card terminal device is the chip operating system (Chip Operating System; COS) of the smart card And / or initializing each smart card storage information in which the attribute information is set to “delete attribute” to a null value through a storage information deletion module included in the card management program. The device directly changes the properties of each smart storage information one by one through the existing smart card operation], the card terminal device is linked with the storage information deletion module of the delete management storage information mounted in the smart card. Initialize each smart card saved information set to “Delete attribute” with null value [If the delete management storage information is mounted, when the card terminal device instructs the storage information deletion module to automatically delete, the storage information deletion module changes the attribute of each smart card storage information], or more advanced In a smart card (for example, an application number: 10-2003-xxxxx, an intelligent smart card), if a card terminal device supplies power to a smart card, and then provides automatic initialization start information (for example, current time) to the smart card, In addition, the storage information deletion module mounted in the smart card (eg, chip operating system, card management program, deletion management storage information, etc.) is executed to initialize each smart card storage information in which the attribute information is set to “deletion attribute” to a null value. [In case of an intelligent smart card, the card terminal device inputs power to the smart card and automatically deletes start information (= If the automatic deletion module provides information necessary for the automatic deletion instead of the first command, for example, the current time, the automatic deletion module is automatically executed, and the attribute of each smart card storage information is changed through the storage information deletion module. It can be made through such.

In the present invention, the card terminal device has a function of obtaining approval from a card user, a card issuing agency, and / or a card affiliated authority to delete and / or initialize the smart card storage information previously issued to the smart card, and to the smart card. Deleting and / or initializing each smart card storage information based on the automatic deletion information of the smart card storage information previously issued to the smart card when the management storage information is not loaded, and the deletion management storage on the smart card. When the information is loaded, the smart card storage information is stored on the basis of the automatic deletion information of the smart card storage information previously issued to the smart card through the storage information deleting module of the deletion management storage information mounted on the smart card. Deleting and / or initializing, or the smart card is more advanced When the deletion management storage information is installed as a mart card, the automatic deletion module of the deletion management storage information of the smart card may provide a function for providing automatic deletion start information and / or automatic initialization start information, and the like. It is done.

In addition, the card terminal device deletes and / or initializes the smart card storage information previously issued to the smart card, and then provides the deletion result and / or the initialization result to the card issuing agency and / or the card affiliate institution through the network. It can be characterized in that it can provide a function.

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

FIG. 1 is a simplified diagram of an open smart card platform in which a card information management module 120 includes a storage information deletion module 125.

The open smart card platform has a different structure depending on the features of the language supported by the platform and the COS 105 mounted on the smart card such as Java Card, MULTOS, or SCFW. FIG. 1 generalizes a common part of the structure of each of the different open smart card platforms as described above, and the structure of the actual open smart card platform may be slightly different from that of FIG.

For example, an open smart card platform has a chip operating system mounted on a hardware composed of silicon chips as shown in FIG. 1, and a virtual machine and a card manager are mounted on top of the virtual machine. It can be generalized to a structure in which smart card storage information and the like are mounted.

The hardware 100 may include at least one computing element such as at least one microprocessor, a read only memory (ROM), a random access memory (RAM), and an electrically erasable and programmable read only memory (EEPROM) or flash as described above. And a memory element including a flash memory and the like, and are equipped with a chip on board (COB) and / or a radio frequency (RF) antenna that provides an interface with a card terminal device.

The Chip Operating System (COS) 105 is a generic term for a system program mainly loaded in ROM among the memory elements of the ICC for driving a smart card. Even though the same smart card platform is developed and used, the COS 105 mounted on the smart card may be different. In general, the COS 105 is executed the first time the smart card is booted, and communication between the smart card and the card terminal device, reading and writing data in the internal memory, user authentication, and access control of files through the card management program 120 And card program execution.

The virtual machine (VM) 110 is a program that interprets the smart card storage information 115 and interfaces it with the microprocessor through the COS 105, and uses different virtual machines for each smart card platform. For example, Java cards use the Java Virtual Machine (JVM) designed for Java, MULTOS uses the MEL Virtual Machine (MVM) designed for MEL, and SCFW for Visual Basic. Use the designed Visual Basic Virtual Machine (VBVM).

The smart card storage information 115 is a general term for stored information including a program, a program code, and / or program data that performs a unique function of providing at least one smart card service through a corresponding smart card. The smart card storage information 115 is disposed above the virtual machine 110 on an open platform, and is stored in an EEPROM and / or a flash memory among memory devices of the ICC.

The card manager 120 works with the COS 105 to control and manage access to the stored information stored in the smart card, to execute the card program included in the smart card storage information, and to execute the executed card program. It loads the RAM and performs a role such that the microprocessor operates through the virtual machine 110 and the COS 105. In addition, the card management program 120 may function as a sub-OS independent from the COS 105 according to the characteristics of the smart card platform, or the card management program 120 may be configured as part of the COS 105. It may be included.

Referring to FIG. 1 according to a preferred embodiment of the present invention, a storage information deletion module for deleting and / or initializing at least one or more smart card storage information by changing attribute information additionally included in the smart card storage information according to the present invention. 125 is included in the card management program 120.

The storage information deletion module 125 included in the card management program 120 inherits the features of the card management program 120 that controls and manages access to the storage information as it is, thereby saving each smart card storage information ( 115, access rights may be obtained, and the attribute information may be changed by accessing the smart card storage information 115.

In addition, according to another embodiment of the present invention, the storage to delete and / or initialize at least one or more smart card storage information 115 by changing the attribute information additionally included in the smart card storage information 115 in accordance with the present invention The information erasing module 125 may be included in the chip operating system 105.

The storage information erasing module 125 included in the chip operating system 105 inherits the features of the chip operating system 105 that provide a read / write function of the stored information as it is, thereby saving each smart card stored information protected by a firewall. Access authority 115 may be obtained, and the attribute information may be changed by accessing the smart card storage information 115.

In addition, according to another embodiment of the present invention, the storage to delete and / or initialize at least one or more smart card storage information 115 by changing the attribute information additionally included in the smart card storage information 115 in accordance with the present invention The information deleting module 125 may be included as part of the deletion management storage information.

The deletion information storage module 125 included as part of the deletion management storage information may not access other smart card storage information 115 protected by a firewall inside the smart card due to the smart card policy. Therefore, access rights to at least one or more smart card storage information 115 can be obtained from an external smart card (eg, a card terminal device), and the corresponding property information can be changed by accessing the smart card storage information 115. It is done.

FIG. 2 is a simplified diagram of the smart card storage information 115 that provides a deletion and / or initialization function of the smart card storage information 115. More specifically, the storage information deletion module 125 may delete management storage information 200. FIG. Is included in).

Referring to the Integrated Circuit Chip (ICC) specification, which includes ISO / IEC 7816 and / or ISO / IEC 14443, etc., the ICC may include at least one computational processing element (eg, Central Process Unit (CPU), Micro Process Unit (MPU)). , A coprocessor, and at least one memory device (eg, Read Only Memory (ROM), Random Access Memory (RAM), Electrically Erasable and Programmable Read Only Memory (EEPROM), Flash Memory (FM), etc.). And at least one of the memory devices includes a Chip Operating System (COS) for managing and operating a smart card internal resource, and at least one of the remaining memory devices for providing a smart card service. At least one or more digital information is stored.

According to a preferred embodiment of the present invention, the deletion management storage information 200 for providing a deletion and / or initialization function of the smart card storage information 115 may include at least one memory device (eg, EEPROM and And / or FM), and the structure of the memory device has a series of hierarchical structures as proposed in the ICC standard, and files on each hierarchical layer are separated by a delimiter.

Referring to the ICC standard, the smart card file structure in which the deletion management storage information 200 for providing the deletion and / or initialization function of the smart card storage information 115 is stored is one corresponding to a root file. Master file (MF), at least one dedicated file (DF) classified according to smart card services and applications, and element files storing data and / or information for smart card services. (Element File; EF) and the like. In general, a master file is a file having a root level authority among the dedicated files, and all files on the smart card file structure can be accessed through the master file, and the dedicated file is used to provide a smart card service. A file including at least one piece of information and information on element files disposed below the storage file, wherein the storage information for providing an independent smart card service on the smart card file structure includes at least one dedicated file. The element file is a file including at least one information and / or data for providing a smart card service. The storage information for providing an independent smart card service on the smart card file structure includes at least one element file. have.

For example, in the smart card file structure as shown in Fig. 2, the master file exists at the top (= root) of all dedicated files and / or element files, and the card terminal device passes through a series of security modules and at least one dedicated file and / or In order to access the element file, the master file must pass through the master file. A lower part of the master file includes an element file that provides an ATR (Answer To Reset) function for checking and recovering an error about a command input from a card terminal device. Can be.

Further, at least one dedicated file and an element file for providing at least one smart card service provided through a smart card are disposed below the master file, wherein at least one of the dedicated files includes directory information. After that, the remaining dedicated files and element files are arranged on the smart card file structure according to the type and characteristic of the smart card service provided by the smart card.

Accordingly, the deletion management storage information 200 for providing the deletion and / or initialization function of the smart card storage information is composed of a functional group such as at least one or more dedicated files and / or at least one or more element files disposed thereunder. . For example, when a smart card service provider is granted access rights to the smart card from a card issuing authority, it means that the smart card service provider is authorized to access at least one dedicated file, an element file, and the like on the smart file structure.

According to a preferred embodiment of the present invention, a smart card file structure includes at least one or more dedicated files (e.g., credit, debit, financial common network, electronic money, signature certificate, key distribution certificate, etc.) for each smart card service. At least one element file or the like disposed below is already stored as each smart card service storage information in a functional group, and the deletion management storage information proposed by the present invention is additionally mounted in the smart card file structure. It is done.

Referring to FIG. 2 according to a preferred embodiment of the present invention, the deletion management storage information 200 for providing the deletion and / or initialization function of the smart card storage information 115 may be deleted and deleted. Deletion management dedicated file 205 including basic information about the initialization function and information on at least one element file included in the storage information, and the smart card storage information 115 disposed below the dedicated file. The storage information deletion module 210 and the storage information deletion module 210 that provide a function of changing the attribute information of the smart card storage information changed to the deletion attribute by changing the attribute information of the smart card storage information 115. A deletion information element file 215 including information for 115), and an initialization information request including information for initialized smart card storage information 115; It consists of a file 220 or the like.

If the storage information deletion module 210 is not included in the deletion management storage information 200 as shown in FIG. 2, the storage information deletion module 210 is included in the card management program 115 and / or the chip operating system 105 as shown in FIG. 1. If so, the deletion management storage information 200 of FIG. 2 may include a deletion management dedicated file 205 including information on at least one element file included in the smart card storage information 115, and the storage information deletion module 210. ) The deletion information element file 215 including the information on the smart card storage information 115 changed to the deletion attribute by changing the attribute information of the smart card storage information 115, and the initialized smart card storage information 115. It may consist of an initialization information element file 220 including information on.

3 is a simplified diagram of a storage information deletion module 210 for changing the attribute information of the smart card storage information 115 to delete the smart card storage information 115.

Referring to FIG. 3, the storage information deletion module 210 is a program and / or program code that is driven by a smart card and can change attribute information based on the automatic deletion information included in the smart card storage information 115. At least one conditional statement (eg, if…, else if…, else…), or at least one or more loops (eg, for…, while…, do… while), and the like, in addition to an expression (eg, +,-, /, *), At least one logical code including an assignment (eg, a = b), and / or a pointer, and the like.

According to a preferred embodiment of the present invention, the stored information deleting module 210 is composed of an automatic deletion information extracting unit, a deleting condition checking unit, an attribute information changing unit, and a deleting information updating unit.

The automatic deletion information extraction unit of the storage information deletion module 210 acquires the access right to the at least one smart card storage information 115 by the storage information deletion module 210 (300), and as the present invention suggests. The smart card storage information 115 performs the function of extracting the automatic deletion information additionally included (305).

The deletion condition confirmation unit of the storage information deletion module 210 determines whether the storage information deletion module 210 deletes the corresponding smart card storage information 115 based on the automatic deletion information of the extracted smart card storage information 115. Characterized by performing a function to check (310). For example, when the smart card storage information 115 includes an expiration date, the smart card storage information 115 after the expiration date satisfies the automatic deletion condition.

The attribute condition changing unit of the storage information deleting module 210 extracts the attribute information of the smart card storage information 115 that the storage information deleting module 210 satisfies the deleting condition (315), and deletes the attribute information. Property ”, characterized in that it performs a function (320).

The deletion information update unit of the storage information deletion module 210 deletes the deletion information for the smart card storage information 115 changed to the deletion attribute through the attribute information changing unit of the storage information deletion module 210. In operation 325, a function of updating a file is performed.

4 is a simple exemplary diagram of a case in which the smart card storage information 115 further includes automatic deletion information and / or attribute information.

The smart card storage information 115 further including the automatic deletion information and / or the attribute information is the smart card storage information 115 that may be deleted according to the policy of the card issuing authority and / or the card association authority. For example, among the smart card storage information 115, smart card storage information 115 such as a master file and directory, a credit card, a debit card, a financial community, an electronic money, a signature certificate, a key distribution certificate, and the like cannot be deleted. On the other hand, the smart card storage information 115, such as a discount coupon, mileage points, etc. may be deleted according to the policy of the card issuing agency and / or card partner institutions that issued the smart card storage information 115.

According to a preferred embodiment of the present invention, the smart card storage information 115 further including automatic deletion information and / or attribute information may be deleted according to the policy of the card issuing agency and / or the card association authority as described above. Card storage information 115.

According to another embodiment of the present invention, even in the case of the smart card storage information 115 that cannot be deleted according to the policy of the card issuing authority and / or the card association authority, the automatic deletion information is set to the null value, and the attribute information is set to “ It can be added in the form of "permanent storage property".

More specifically, FIG. 4 illustrates a case in which the automatic deletion information and / or the attribute information are additionally included in the existing smart card storage information 115 (for example, discount coupon and mileage point storage information, etc.). The card storage information 115 may include an effective date, an effective number of times, and a time. The attribute information may include attribute information for the smart card storage information 115 that may be set to at least one attribute through a bit operation. Can be. For example, if the specific smart card storage information 115 includes an archive attribute and a writable attribute, the smart card storage information 115 may be set to a bit value of 0X81 ORed between 0X01 and 0X80.

If the attribute information includes the deletion attribute by the storage information deletion module 210, 0X02 is necessarily included in the bit value of the attribute information, and the storage information deletion module 210 is configured to store the smart card storage information 115. Code for adding and / or changing a deletion attribute to attribute information may be expressed as follows.

      btAttrbute | = 0X02;

In addition, the code for confirming whether the storage information deletion module 210 includes the above deletion property in the property information of the smart card storage information 115 may be expressed as follows.

      if (btAttrbute & 0X02 == 0X02) / * Set to delete attribute * /

If the attribute of the specific smart card storage information 115 includes the deletion attribute as described above, the information about the smart card information is added to the deletion information element file 215 of the deletion management storage information 200 and Is updated.

According to a preferred embodiment of the present invention, the process of changing the attribute information of the smart card storage information 115 by the storage information deletion module 210 occurs as described above manually or by a command of the card terminal apparatus, or The storage information deletion module 210 may be automatically generated based on the automatic deletion information of each smart card storage information 115.

For example, when the attribute information of the smart card storage information 115 is manually changed by the command of the card terminal apparatus, the process of obtaining approval of the card user, the card issuing authority, and / or the card affiliate authority for the attribute changing process may be performed. In addition, the automatic deletion attribute information of the smart card storage information 115 that is changed to the deletion attribute is ignored, and the previous attribute information includes all attributes except the permanent storage attribute.

On the other hand, when the storage information deletion module 210 automatically changes the attribute information of the smart card storage information 115 based on the automatic deletion information of each smart card storage information 115, the card user for the attribute change process, The process of obtaining approval of the card issuing authority and / or the card affiliation authority may be omitted, and the corresponding smart card storage information 115 that is changed to the deletion attribute should include valid automatic deletion attribute information, and the previous attribute information. Must contain a temporary retention attribute.

According to a preferred embodiment of the present invention, the configuration of the deletion information element file 215 of the deletion management storage information 200 may initialize the smart card storage information 115 changed by the storage information deletion module 210 to the deletion attribute. It is configured to include at least one or more information, the detailed configuration and contents are in accordance with the type of open smart card platform and the policy of the card issuer and / or card affiliate institutions.

For example, the deletion information element file includes a class ID (CID) of the smart card storage information 115 changed to a deletion attribute and a memory address and / or a memory area of the smart card storage information 115.

FIG. 5 is a simple flowchart of a process in which the storage information deletion module 210 automatically deletes specific smart card storage information 115 based on the automatic deletion information of the smart card storage information 115.

According to a preferred embodiment of the present invention, the process of automatically deleting the smart card storage information 115 is performed after the card terminal device supplies power to the smart card, and then the chip operating system 105 of the smart card and the card management program ( 115), and / or is automatically started through a process of providing automatic deletion start information recognizable by the storage information deletion module 210 included in the deletion management storage information 200 or the like.

That is, when the automatic deletion start information that can be recognized by the storage information deletion module 210 included in the smart card is provided from the card terminal device (500), the chip operating system 105 of the smart card, the card management program 115 ), And / or the storage information deletion module 210 included in the deletion management storage information 200 is automatically executed 505, and the storage information deletion module 210 automatically executed as described above is configured to automatically delete information extraction unit. Automatic deletion information included in at least one or more smart card storage information 115 included in the smart card is extracted (510).

When the automatic deletion information is extracted from the smart card storage information 115 through the above process, the storage information deletion module 210 stores at least one smart card extracted from each smart card storage information 115 through a deletion condition check unit. It is checked whether or not the information 115 is automatically deleted (515).

If the deletion condition check unit does not check whether the deletion of the at least one or more smart card storage information 115 is automatic (520), the smart card storage information 115 that can be deleted does not exist in the smart card. As such, the storage information deletion module 210 automatically terminates the process of changing the attribute of the smart card storage information 115 to the deletion attribute.

On the other hand, if the deletion condition check unit confirms whether the automatic deletion of the at least one or more smart card storage information 115 in the process (525), the attribute information changing unit is the attribute information additionally included in the at least one or more smart card storage information 115 In operation 530, a process of changing a to delete attribute is provided.

When the process of changing the smart card storage information 115 to the deletion attribute is finished, the storage information deletion module 210 deletes the information on the smart card storage information 115 changed to the deletion attribute as described above. Additional updates are made to the element file 215 (535).

According to a preferred embodiment of the present invention, the process of deleting the smart card storage information 115 by changing the attribute of the smart card storage information 115 is automatically executed by the storage information deletion module 210 as described above, In a state where the transaction between the card and the card terminal device is omitted, the card terminal device supplies power to the smart card and provides only automatic deletion start information (eg, current time).

FIG. 6 is a simple flowchart of a process in which the storage information deleting module 210 manually deletes specific smart card storage information 115 based on the automatic deletion information of the smart card storage information 115.

According to a preferred embodiment of the present invention, the step of manually deleting the smart card storage information 115 includes at least one smart card deletion command and / or automatic deletion start information after the card terminal device supplies power to the smart card. It is initiated through the process of providing. For example, when the card terminal device provides only a smart card deletion command for the specific smart card storage information 115, the automatic deletion information included in the smart card storage information 115 is ignored. On the other hand, when the card terminal device provides the deletion information and the automatic deletion start information of the at least one smart card storage information 115, the process of deleting the at least one smart card storage information 115 based on the automatic deletion start information. This is disclosed.

That is, if at least one or more smart card deletion commands and / or automatic deletion start information and the like are provided from the card terminal device to the smart card (600), the smart card is the chip operating system 105, the card management program 115, and And / or execute the storage information deletion module 210 included in the deletion management storage information 200, etc. (605), and the executed storage information deletion module 210 is included in the smart card through the automatic deletion information extraction unit. Automatic deletion information included in the at least one smart card storage information 115 is extracted (610).

When the automatic deletion information is extracted from the smart card storage information 115 through the above process, the storage information deletion module 210 may extract at least one or more smart card storage information extracted from each smart card storage information 115 through a deletion condition checking unit. In step 615, the automatic deletion is checked.

If the deletion condition check unit fails to check whether the at least one smart card storage information 115 is automatically deleted (620), the smart card storage information 115 that can be deleted does not exist in the smart card. Since the storage information deletion module 210 automatically changes the attribute of the smart card storage information 115 to the deletion attribute and terminates the deletion, the storage information deletion module 210 generates a result of deleting the smart card storage information 115 to the card terminal device. To pass.

On the other hand, if the deletion condition check unit determines whether to automatically delete the at least one or more smart card storage information 115 in the process (625), the attribute information changing unit is the attribute information additionally included in the at least one smart card storage information 115 It provides a process of changing the to the delete attribute (630).

When the process of changing the smart card storage information 115 to the deletion attribute is finished, the storage information deletion module 210 deletes the information on the smart card storage information 115 changed to the deletion attribute as described above. Additional update to element file (635).

The storage information deletion module 210 generates a result of deleting the smart card storage information 115 as a response to the command for deleting the smart card storage information 115 provided from the card terminal device to the smart card. The result of deleting the smart card storage information 115 is transmitted to the card terminal device (640).

According to the preferred embodiment of the present invention, the smart card storage information 115 deleted automatically and / or manually by the above process is deleted from the card terminal device before initialization. If provided, it can be recovered by changing the attribute information changed to the deletion attribute to the archive attribute and / or the forest retention attribute.

According to a preferred embodiment of the present invention, the smart card storage information 115 deleted automatically and / or manually by the above process may be initialized by the card terminal device. For example, in the process of updating the smart card storage information 115 of the smart card or post-issuing the new smart card storage information 115 to the smart card, the card issuing agency and / or card affiliation authority, The smart card storage information 115 deleted from the smart card storage information 115 may be initialized as a means for securing a storage space of the smart card.

7 illustrates a process of initializing the smart card storage information 115 based on the deletion information element file 215 including the information on the deleted smart card storage information 115 by the storage information deletion module 210. Simple flow chart.

According to a preferred embodiment of the present invention, in order for the card terminal device to provide an initialization command of the deleted smart card storage information 115 to the smart card, the card terminal device must obtain approval for initializing the deleted smart card storage information 115. (700).

If the card terminal device does not obtain the approval for initializing the deleted smart card storage information 115 (705), the process of initializing the deleted smart card storage information 115 is terminated.

On the other hand, if the card terminal device obtains approval for initializing the deleted smart card storage information 115 (710), the card terminal device sends an initialization command for the smart card storage information 115 changed to the deletion attribute to the card terminal device. In operation 715, the smart card executes the storage information deletion module 210 based on the initialization command for the smart card storage information 115 (720).

When the storage information deletion module 210 is executed to initialize the smart card storage information 115 as described above, the storage information deletion module 210 changes the smart card storage information changed from the deletion information element file 215 to the deletion attribute. In operation 730, the smart card storage information 115 is initialized based on the extracted smart card storage information 115.

When the process of initializing the smart card storage information 115 is finished, the storage information deletion module 210 initializes the information on the smart card storage information 115 initialized as described above. Additional updates are made (735).

According to a preferred embodiment of the present invention, the configuration of the initialization information element file 220 of the deletion management storage information 200 may include at least one or more pieces of information on the smart card storage information 115 on which the storage information deletion module 210 is initialized. It is configured to include, the detailed configuration and content is in accordance with the type of open smart card platform and the policy of the card issuer and / or card affiliate institutions.

In addition, the storage information deletion module 210 generates the smart card storage information 115 initialization result as a response to the smart card storage information 115 initialization command provided from the card terminal device to the smart card, and is generated as described above. The initialization result of the smart card storage information 115 is transmitted to the card terminal device (740).

According to the present invention, the attribute information of the at least one smart card storage information that satisfies the automatic deletion condition is changed based on the automatic deletion information and the attribute information, which are additionally included in the smart card storage information, Add and / or update the attribute information to the deletion management storage information, and the automatic deletion information and / or the attribute information further included in the smart card storage information by the card terminal device, or the automatic deletion information of each smart card storage information as described above. And / or a method and system for automatically deleting smart card stored information for initializing at least one or more smart card stored information for which the deleted attribute is activated based on the deleted management stored information for managing the attribute information.

In an existing smart card and / or smart card system, the card issuer and / or card affiliate may not be able to verify such invalid smart card storage information, or if the network is forced to verify, Overcoming the problem of adding network charges is necessary, and the card issuer and / or card affiliate can easily manage the management of such invalid smart card storage information. have.

There is an advantage of providing a method of blocking a variety of additional information (e.g., customer relationship management information) generated in the process of providing the service to the critical risk of being damaged and / or lost by the card issuing agency and / or card affiliates, etc. .

Claims (20)

It has automatic deletion information and attribute information for automatically deleting stored information stored on an integrated circuit chip (ICC), and has deletion management storage information for managing automatically deleted storage information based on the automatic deletion information and attribute information. A smart card including a storage information deleting module for deleting and / or initializing at least one storage information based on the automatic deletion information and the attribute information; And Automatically delete smart card storage information, including; card terminal device for controlling the storage information deletion module of the smart card to automatically delete and / or initialize the smart card storage information based on the automatic deletion information and / or attribute information system. The method of claim 1, wherein the stored information deleting module, An automatic deletion information extracting unit obtaining access rights to at least one smart card storage information and extracting automatic deletion information included in the smart card storage information; A deletion condition confirming unit confirming whether to delete the smart card storage information based on the automatically deleted information of the extracted smart card storage information (whether the expiration date or the like has expired); An attribute condition changing unit extracting attribute information of smart card storage information that satisfies the deletion condition and changing the attribute information to a deletion attribute; And at least one or more deletion information updating unit for updating the deletion information of the smart card storage information changed by the deletion attribute to the deletion information element file of the deletion management storage information. The method according to claim 1 or 2, wherein the stored information deleting module, And a smart card program and / or program code for deleting and / or initializing the smart card storage information by changing attribute information additionally included in the smart card storage information. The method according to claim 1 or 2, wherein the stored information deleting module, Included in the chip operating system of the smart card, or Included in the card management program of the open smart card platform, or Smart card storage information automatic deletion system, characterized in that included as part of the deletion management storage information. The method according to claim 1 or 2, wherein the stored information deleting module, At least one conditional statement (eg, if…, else if…, else…), and / or At least one loop (eg, for…, while…, do… while), and / or At least one expression (eg, +,-, /, *), and / or At least one assignment equation (eg, a = b), and / or And a logic code including at least one or more pointers. The method of claim 1, wherein the deletion management storage information, Basic information about the deletion and / or initialization of smart card storage information; A deletion management dedicated file including information on at least one element file included in the storage information; A storage information deletion module disposed under the dedicated file and providing a function of changing attribute information of the smart card storage information; A deletion information element file including information on the smart card storage information changed by the storage information deleting module by changing the attribute information of the smart card storage information to the deletion attribute; And at least one initialization information element file including information on the initialized smart card storage information. The method of claim 6, wherein the deletion information element file, And at least one class ID (CID) of the smart card storage information changed to the deletion attribute and a memory address and / or a memory area of the smart card storage information. The method of claim 1, wherein the automatic deletion information, Smart card storage information automatic deletion system, characterized in that it includes a valid date and / or the number of validity of the smart card storage information. The method of claim 1, wherein the automatic deletion, When the card terminal device supplies power to the smart card, and / or Smart card storage information automatic deletion system, characterized in that is initiated when at least one transaction occurs between the card terminal device and the smart card, The method of claim 1, wherein the deletion of the smart card storage information is performed. And attribute information of the smart card storage information and / or a portion of the smart card storage information is deleted. The method of claim 10, wherein changing attribute information of the smart card storage information and / or a portion of the smart card storage information to a deletion attribute comprises: The card terminal device directly changes the attribute of the smart storage information; The card terminal device instructs the storage information deletion module mounted in the smart card to be automatically deleted, and the storage information deletion module changes the property of the smart card storage information; Smart card storage, characterized in that for changing at least one attribute of the smart card storage information through the storage information deletion module mounted in the smart card based on the automatic deletion start information provided by the card terminal device. Information automatic deletion system. The method of claim 1, wherein the smart card, IC card, and / or Smart card storage information automatic, characterized in that it comprises at least one ICC mounted or detached to a wireless terminal in the form of a dual slot, a dual chip, and / or one chip Delete system. According to claim 1, The card terminal device, Means for obtaining approval of a card user, a card issuer, and / or a card affiliation agency to delete and / or initialize smart card storage information previously issued to the smart card; Means for deleting and / or initializing the smart card stored information based on automatic deletion information of the smart card stored information previously issued to the smart card when the smart card does not have deletion management stored information; When the deletion management storage information is mounted on the smart card, the automatic deletion information of the smart card storage information previously issued to the smart card through the storage information deletion module of the deletion management storage information mounted on the smart card is based on the information. Means for deleting and / or initializing the smart card stored information; And at least one means for providing automatic deletion start information and / or automatic initialization start information to the smart card. The card terminal apparatus according to claim 1 or 13, wherein: And deleting and / or initializing smart card storage information previously issued to the smart card, and providing the deletion result and / or the initialization result to a card issuing agency and / or a card affiliate authority through a network. Smart card storage information automatic deletion system, characterized in that. A smart card having a deletion management storage information for managing storage information, and having a storage information deletion module for deleting and / or initializing at least one storage information based on the automatic deletion information and attribute information. A smart card storage information automatic deletion method comprising a card terminal device for automatically deleting and / or initializing the smart card storage information based on deletion information and / or attribute information. At least one attribute of at least one smart card storage information that satisfies an automatic deletion condition based on the automatic deletion information and attribute information, which are added to the smart card storage information, by the card terminal device and / or the storage information deletion module mounted in the smart card. A first step of changing information; Adding and / or updating attribute information of the changed smart card storage information to deletion management storage information; And A third step of initializing, by the card terminal device, at least one or more smart card storage information for which the deletion attribute is activated based on the automatic deletion information and / or the attribute information and / or the deletion management storage information further included in the smart card storage information; How to automatically delete smart card storage information, including; The method of claim 15, And upon the deletion of the smart card storage information, obtaining the approval of the deletion of the card user, and / or the card issuing authority, and / or the card affiliation authority. The method of claim 15, wherein in the first step: Deletion of the smart card storage information, And deleting attribute information of the smart card storage information and / or a portion of the smart card storage information into a deletion attribute. 18. The method of claim 17, wherein changing attribute information of the smart card storage information and / or a portion of the smart card storage information to the deletion attribute, The card terminal device directly changes the attribute of the smart storage information; The card terminal device instructs the storage information deletion module mounted in the smart card to be automatically deleted, and the storage information deletion module changes the property of the smart card storage information; Smart card storage, characterized in that for changing at least one attribute of the smart card storage information through the storage information deletion module mounted in the smart card based on the automatic deletion start information provided by the card terminal device. How to delete information automatically. The method of claim 15, wherein in the third step, The initialization process of the smart card storage information, And automatically initializing the smart card storage information set as a deletion property to a null value. The method of claim 15, After the attribute information of the smart card storage information and / or a portion of the smart card storage information is changed to a deletion attribute, the attribute information of the smart card storage information and / or a portion of the smart card storage information is changed to a storage attribute to store the storage information. And automatically recovering the smart card stored information.

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