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Method and apparatus for linking converted applet files

A sub-component, computer technology, applied in the field of smart cards, can solve problems such as time-consuming

Inactive Publication Date: 2007-02-28
施蓝姆伯格技术管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the time-consuming problem of performing the link processing of CAP files in EEPROM, and improve the service life of EEPROM, the device and method for effectively linking CAP files that minimize the number of times written into EEPROM of the present invention are proposed

Method used

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  • Method and apparatus for linking converted applet files
  • Method and apparatus for linking converted applet files
  • Method and apparatus for linking converted applet files

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Embodiment Construction

[0021] In general, the present invention relates to smart cards and methods wherein the smart card can be configured to receive computer code such as a converted applet file with unresolved references in the file and resolve these unresolved references to allow writing to EEPROM the least number of times.

[0022] In the description and drawings, the same components will be given the same reference numerals.

[0023] Figure 1 shows a representative smart card. The smart card 100 is about the size of a credit card and includes a module 105 having conductive connectors 110 that interface with a microprocessor 115 having an integrated memory component that interfaces with a terminal to typically provide working Power supply and electrical transmission of data between the terminal and the smart card. Other embodiments of the smart card may not include the conductive connector 110 . These "connectorless" smart cards can exchange information and receive power through a short-rang...

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Abstract

A smart card (100) which includes a non-volatile read / write memory (230), a resolve buffer (505), a processor (205) connected to the memory (230) and the resolve buffer (505), and an installer module (210) configured to cause the processor (205) to receive computer code having unresolved references into the memory (230), and further configured to cause the processor (205) to perform a method for resolving unresolved references. The method including steps for copying the contents of the memory (230) into the resolve buffer (505), detecting unresolved references in the computer code, determining the resolved reference for each of the detected unresolved references, updating the contents of the resolve buffer (505) with the resolved references, and replacing the contents of the memory (230) with the contents of the resolve buffer (505).

Description

technical field [0001] The present invention relates generally to the field of smart cards, and more particularly to an improved smart card and a method for resolving unresolved references in converted applet files loaded in the smart card. Background technique [0002] Most customers are familiar with and have used credit cards, debit cards, automated teller machine (ATM) cards, stored value cards, and the like. However, for many transactions, the current trend is to move away from these types of cards and to use a device commonly referred to as a "smart card". A smart card is a plastic, credit card-sized card that includes electronics (a chip) embedded in most of the card's plastic. Smart cards use an embedded microprocessor and memory elements within a chip rather than just an embedded magnetic strip that stores information. [0003] Because smart cards have a chip, they can be programmed to operate in a variety of different capabilities, such as stored value cards, cre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/38G06F9/445G07F7/10
CPCG06Q20/35765G06F9/44521G06Q20/367G06Q20/341G06Q20/3552G07F7/1008
Inventor 克希雷布迪·克里什纳蒂姆·威尔金森扬尼克·伯里安
Owner 施蓝姆伯格技术管理有限公司
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