KR20030093168A - Smart card having a minimum battery to upgrade COS reliability and Performance - Google Patents

Smart card having a minimum battery to upgrade COS reliability and Performance Download PDF

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KR20030093168A
KR20030093168A KR1020030081933A KR20030081933A KR20030093168A KR 20030093168 A KR20030093168 A KR 20030093168A KR 1020030081933 A KR1020030081933 A KR 1020030081933A KR 20030081933 A KR20030081933 A KR 20030081933A KR 20030093168 A KR20030093168 A KR 20030093168A
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cos
card
smart card
code
terminal
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이창환
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이창환
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0702—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
    • G06K19/0704—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery the battery being rechargeable, e.g. solar batteries
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/14—Payment architectures specially adapted for billing systems

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Abstract

PURPOSE: A smart card embedded with a minimum charging device for improving the stability and the process time of a COS(Card Operating System) is provided to improve the process speed related to a transaction process when payment or other transaction is processed by the smart card, to reduce the complexity for a part related to the process on the COS, and to increase reliability of the COS. CONSTITUTION: When the smart card(10) having a thin film typed charging device(12) is not contacted with a terminal, the system is operated by the charged power, and an interrupt is generated and informed to the COS. Thus, the system reliability is enhanced by securing the job consistency of the COS. A code of the COS is coded after classifying into a terminal dependent code and a self-processing code. If the process is performed over a constant part by the system, the rest part is processed by the charged power. Thus, the process speed is improved.

Description

카드운영시스템 안정성 및 처리시간 개선을 위한 최소한의 충전 장치가 내장된 스마트카드{Smart card having a minimum battery to upgrade COS reliability and Performance}Smart card having a minimum battery to upgrade COS reliability and Performance}

대부분의 접촉식 또는 비접촉식 스마트카드는 외부에서 전원 및 클럭을 인가 받아서 동작하며, 거래 처리 시간은 프로세스 및 카드운영체제의 성능과 DATA 처리량에 따라서 달라진다. 빠른 처리시간을 요구하는 지불 시스템에서는 카드와 단말기간의 처리 시간을 0.5초 이내로 요구하기도 한다. 대표적인 예가 도로공사의 통행료 전자 지불 결재 시스템이다.Most contact or contactless smart cards operate from external sources of power and clock, and transaction processing time depends on the performance and data throughput of the process and card operating system. Payment systems that require faster turnaround times may require less than half a second between card and terminal. A representative example is the road toll payment system.

대단히 빠른 처리 시간 및 고도의 보안성을 요구하는 전자지불 시스템에서 카드와 단말기간의 처리 시간은 대단히 중요한 문제이며, 이를 개선하기 위하여 여러 가지 방법을 사용한다. 하드웨어 암호화 모듈의 추가, 마이크로프로세스의 처리 용량의 증가, 카드와 단말기간의 I/O 속도의 개선 등이 좋은 예이다.In an electronic payment system requiring very fast processing time and high security, the processing time between the card and the terminal is a very important problem, and various methods are used to improve it. Adding hardware encryption modules, increasing the processing capacity of the microprocessor, and improving the I / O speed between the card and the terminal are good examples.

카드운영시스템의 내부 구조를 분석하면, 단말기와의 통신이 반드시 필요한 코드 부분이 있는 반면에 내부적으로 처리되어야 할 코드 부분도 존재한다. 예를 들자면, 거래 로그의 기록이나, 특정 변수들의 갱신 등이 이에 속한다. 만약 마지막 거래로그를 카드 내부에 기록하고 있는 도중에 단말기와의 접촉이 끊어진다면 카드운영시스템은 지불 처리를 완료하지 못하고 단말기는 재 거래를 수행하게 된다. 대부분의 전자화폐에서는 거래 중단에 따른 대책으로 거래복구 프로토콜 규약을 명시하고 있다. 하지만 이에 따른 부가적 처리 시간과 전체 지불 결재 시스템의 복잡성은 당연히 증가된다.When analyzing the internal structure of the card operating system, there is a code part that must be processed internally while there is a code part that must be processed internally. For example, the recording of transaction logs or the updating of certain variables. If contact with the terminal is lost while the last transaction log is being recorded in the card, the card operating system does not complete the payment process and the terminal performs retransaction. Most electronic money specifies trade recovery protocol protocol as a countermeasure against suspension of transactions. However, the additional processing time and complexity of the overall payment system is of course increased.

카드운영체제는 단말기와의 접촉이 끊어짐으로서 생기는 시스템의 신뢰성적인 문제점들을 해결하기 위하여 여러 가지 방법을 사용한다. 하지만 가장 확실한 방법은 접속이 끊어질 때, 이에 따른 부가적인 처리 절차를 수행할 수 있다면, 시스템의 신뢰성을 높일 수 있다.The card operating system uses various methods to solve the reliability problems of the system caused by the loss of contact with the terminal. However, the most obvious method is to increase the reliability of the system if it can perform additional processing when the connection is lost.

상기와 같은 문제점을 고려하여 이루어진 본 발명은 약 0.1 ~ 0.2초 정도의 스마트카드 하드웨어 구동에 필요한 충전 용량을 가지는 초소형 박막형 충전 장치를 스마트카드 일정 부분에 추가한다. 스마트카드는 단말기에서 카드로 전원이 공급됨과 동시에 충전에 들어간다. 스마트카드의 마이크로프로세서는 단말기와 접속 차단 시 충전된 전원을 사용함과 동시에 인터럽트를 발생시켜 카드운영시스템에 신속하게 알려준다. 카드운영시스템은 인터럽트가 발생한 시점에서 충전 용량과 현재 지불 처리 진행율을 검토한다. 충전 용량과 진행율은 카드운영시스템의 진행정도에 따라서 저절로 산출되게 카드운영시스템을 구성한다. 만약 충전 용량과 남아있는 처리 절차를 비교하여 주어진 시간 내에 처리가 가능하다면 카드운영시스템은 나머지 처리를 진행한다. 이를 위하여 카드운영시스템은 지불처리절차를 단말기와 상호 의존적인 코드 부분과 내부적으로 처리 가능한 코드 부분으로 구분하며, 내부적으로 처리 가능한 코드 부분은 만약 접속 단락 시 추후 처리 가능하도록 카드운영시스템의 뒤쪽에 코드를 배치한다. 만약 주어진 시간 내에 처리가 불가능하다고 판단된다면 카드운영시스템은 자신의 신뢰성에 영향을 미칠 수 있는 부분에 대한 처리 작업을 신속하게 수행한다.The present invention has been made in consideration of the above problems and adds an ultra-thin thin film type charging device having a charging capacity required for driving a smart card hardware of about 0.1 to 0.2 seconds to a certain portion of a smart card. The smart card is charged with power from the terminal to the card. The smart card's microprocessor notifies the card operating system by generating an interrupt while using charged power when disconnecting from the terminal. The card operating system examines the charge capacity and the current payment processing progress at the time of the interrupt. The charging capacity and the progress rate constitute the card operating system to be calculated by itself according to the progress of the card operating system. If the charging capacity is compared with the remaining processing procedure and processing is possible within a given time, the card operating system proceeds with the remaining processing. To this end, the card operating system divides the payment processing procedure into a code part interdependent with the terminal and an internally processable code part, and the internally processable code part is coded at the back of the card operating system so that it can be processed later in the event of a connection short circuit. Place it. If it is determined that the processing is not possible within a given time, the card operating system promptly performs the processing for the part that may affect its reliability.

도 1은 본 발명인 충전장치를 가진 스마트카드의 구조를 보인 정면도1 is a front view showing the structure of the smart card with the present inventors charging device

도 2는 본 발명의 처리 흐름을 나타내는 순서도2 is a flow chart showing the processing flow of the present invention.

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

10 : 스마트카드 11 : 스마트카드 CPU10: smart card 11: smart card CPU

12 : 충전 장치 13 : RF 안테나12: charging device 13: RF antenna

본 발명을 설명하기 위한 첨부도면 도 1은 본 발명의 충전장치를 내장한 스마트카드의 모습을 나타낸 하드웨어적인 블록도이며, 도 2는 본 발명의 처리 흐름 절차를 개략적으로 나타낸 블록도이다.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a hardware block diagram showing a state of a smart card incorporating a charging device of the present invention, and FIG. 2 is a block diagram schematically showing a processing flow procedure of the present invention.

참고로 스마트카드란 마이크로 프로세서와 메모리를 내장하고 있어서 카드 내에서 정보의 저장과 처리가 가능한 카드로서, 외부와의 통신 방법에 따라 접촉면(contact)을 통하는 접촉식 카드와 ,내장되어 있는 안테나를 이용하여 무선주파수를 통하여 통신하는 비접촉식 카드로 구분되며, 카드의 경우 카드 판독기(card reader)의 슬롯에 카드를 삽입하는 방식으로, 비접촉식 카드의 경우에는 비접촉식 카드판독기의 부근에 가져다 대는 방식으로 정보의 교환이 이루어진다.For reference, a smart card is a microprocessor and a memory that can store and process information in the card. The smart card uses a contact card and a built-in antenna through a contact according to an external communication method. The card is classified into a contactless card that communicates via radio frequency.In the case of a card, a card is inserted into a slot of a card reader, and in the case of a contactless card, information is exchanged by bringing it into the vicinity of a contactless card reader. This is done.

스마트카드에는 전지가 내장되어 있지 않으며, 전력은 판독기에 의해 외부로부터 제공되며, 메모리는 전압이 제공되지 않아도 내용을 유지할 수 있는 EEPROM(Electrically Erasable and Programmable Read Only Memory )을 사용하는 것이 일반적이다.Smart cards do not have a built-in battery, power is supplied from the outside by the reader, and memory typically uses EEPROM (Electrically Erasable and Programmable Read Only Memory), which maintains its contents even when no voltage is supplied.

본 발명은 첨부 도면 도 2에서 보는 바와 같이, 스마트카드와 단말기가 연결되는 단계(S10)에서는 충전장치(도1의 12)는 단말기의 전원으로 충전을 시작한다. 이 때 COS는 충전용량을 대표할 타이머 변수를 0으로 초기화한 후 타이머를 가동한다. COS는 전체 시스템을 자체 처리 가능한 코드 부분과 단말기와 상호 협조 가능한 코드 부분으로 분류하여 COS를 작성할 때 자체 처리가 가능한 코드는 전체 시스템의 뒷 부분에 배치시킨다. 예를 들자면, 거래로그의 기록이나 파일에 레코드 기록, 특정 변수의 갱신과 같은 내용이 여기에 속한다. COS는 이 후 지불 처리 절차를 수행한다.(S20) 만약 접속차단으로 인터럽트가 발생(S50)하지 않는다면 COS는 정상 동작 완료된다. 하지만 사용자나 단말기의 이상으로 단말기와의 접속차단이 발생한다면 스마트카드의 마이크로프로세스는 접속차단 인터럽트를 발생(S50)시키며, 처리 흐름을 인터럽트 서비스루틴(S60)으로 넘겨준다. 인터럽트 서비스 루틴은 충전 타이머에 기초한 충전 용량과 현 시스템 진행 상황을 검토한다(S70) 현재의 충전 수준과 시스템 진행 상황에서 처리 완료가 가능하다면 나머지 코드 부분을 수행하여 지불 처리를 완료한다.(S90) 만약 불가능하다면, 시스템 신뢰성에 영향을 미칠 수 있는 최소한의 코드 부분만을 수행(S100)한 후 최대한 빠른 시간 내에 시스템을 종료한다.As shown in Figure 2 of the present invention, the smart card and the terminal is connected (S10) in the charging device (12 of FIG. 1) starts charging with the power of the terminal. At this time, the COS initializes the timer variable to represent the charging capacity to 0 and starts the timer. COS classifies the entire system into self-processing code parts and code parts that can cooperate with the terminal. When COS is written, self-processing code is placed at the back of the whole system. For example, such as recording a transaction log, writing a record to a file, or updating a specific variable. The COS then performs a payment processing procedure (S20). If the interruption does not occur (S50) due to disconnection, the COS is completed. However, if the connection with the terminal occurs due to an error of the user or the terminal, the microprocessor of the smart card generates an interrupt connection interrupt (S50), and passes the processing flow to the interrupt service routine (S60). The interrupt service routine examines the charge capacity based on the charge timer and the current system progress (S70). If the processing can be completed at the current charge level and the system progress, the remaining code part is executed to complete the payment process (S90). If it is impossible, the system is terminated as soon as possible after performing only the smallest code part that may affect system reliability (S100).

본 발명은 COS 작성에 있어서 효율적 소스 코드 분류가 중요하며, 크게 3가지 영역으로 분류할 수 있다. 충전율이 낮아서 시스템을 가동할 수 없는 충전 초기 단계와, 전원 차단 시 처리해야 할 코드 부분을 수행할 수 있는 충전 중기 단계와 단말기가 없어도 마지막 처리가 가능한 충전 말기 단계로 나눌 수 있다. 충전 초기 단계에서는 시스템이 순간적으로 전원이 차단되어도 상관없는 처리 절차 부분만 집중적으로 배치하며, 충전 중기 단계에서는 단말기와 상호 의존적인 처리 절차 부분을 집중적으로 배치하며, 충전 말기 단계에서는 단말기 없이 처리 흐름을 완료할 수 있는 코드 부분을 배치한다. COS는 단말기와의 접속 차단 시, 차단된 시점을 3가지 단계 중 어디에 속하는지 판단한 후 각 단계에 맞는 행동을 취하게 한다.In the present invention, efficient source code classification is important in COS preparation, and it can be classified into three areas. It can be divided into the initial stage of charging, which can not operate the system due to the low charging rate, the middle stage of charging to carry out the code portion to be processed when the power is cut off, and the final stage of charging, which can be processed without the terminal. In the initial stage of charging, the system concentrates on only the processing procedure parts that may be temporarily disconnected from the system.In the middle stage of the charging stage, the processing stages interdependent with the terminal are concentrated. Place a piece of code that can complete. When the COS is disconnected from the terminal, the COS determines which of the three stages the blocked point belongs to and then takes action according to each stage.

상기와 같이 되는 본 발명은 스마트카드로 지불 및 기타 거래 처리시 거래 처리와 관련된 처리 속도를 개선할 수 있으며, 전자지불시스템에서 재처리와 관련된 부분에 대해서는 시스템의 복잡성을 감소시키며, 카드운영체제의 신뢰성을 증가시킬 수 있는 효과를 갖는다.The present invention as described above can improve the processing speed related to transaction processing when processing payments and other transactions with smart cards, reduce the complexity of the system for the part related to reprocessing in the electronic payment system, the reliability of the card operating system Has the effect of increasing.

Claims (1)

도1과 같은 박막형 충전장치를 가진 스마트카드 시스템에서 단말기와의 접속 단락 시 충전된 전원으로 시스템을 가동함과 동시에 인터럽트를 발생시켜 카드운영시스템에 통보함으로서 카드 운영시스템의 작업의 연속성을 확보하여 시스템의 신뢰성을 향상시키며, 카드운영시스템의 코드를 단말기 의존적 코드와 자체 처리 가능한 코드 부분으로 분류하여 코딩함으로서 일정 부분 이상 시스템 처리가 진행된 경우 충전된 전원만으로 나머지 부분을 수행하게 하여 처리 속도를 개선하는 방법In the smart card system having the thin film type charging device as shown in FIG. 1, the system is operated by the charged power when a short circuit is connected to the terminal and an interrupt is generated to notify the card operating system to secure the continuity of the card operating system. It improves the reliability of the card and classifies the code of the card operating system into the terminal-dependent code and the code that can be processed by itself, and improves the processing speed by performing the remaining part only by the charged power when the system processing is over a certain part.
KR1020030081933A 2003-11-19 2003-11-19 Smart card having a minimum battery to upgrade COS reliability and Performance KR20030093168A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10817767B2 (en) 2018-09-19 2020-10-27 Kabushiki Kaisha Toshiba IC card and portable electronic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10817767B2 (en) 2018-09-19 2020-10-27 Kabushiki Kaisha Toshiba IC card and portable electronic device

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