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Java smart card and calling method of application program interface of Java smart card

An application program interface and application program technology, applied in the field of smart cards, can solve the problems that Java smart card applications cannot be downloaded and used, Java smart card applications cannot be run, and the ability to develop and run Java smart card applications cannot be satisfied.

Active Publication Date: 2019-11-26
HENGBAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the capacity of the smart card chip, the number of APIs implemented in the Java smart card operating system is limited. Therefore, the Java smart card operating system may not be able to meet the capabilities of Java smart card application development and operation, such as algorithms and related APIs, performance, etc.
[0004] In order to avoid that the Java smart card operating system cannot meet the development and operation of Java smart card applications, so when developing Java smart card applications, it is necessary to confirm the requirements of Java smart card application development and the interface implementation of Java smart card operating systems to avoid the development of Java smart card applications. The smart card application is using an interface not yet implemented in the Java Smart Card OS, or to upgrade an interface implemented in the Java Smart Card OS
[0005] If the Java smart card application development requirements and the interface implementation of the Java smart card operating system are not confirmed during the development of the Java smart card application program, the Java smart card application program will not be able to run, resulting in the inability to download and use the Java smart card application program

Method used

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  • Java smart card and calling method of application program interface of Java smart card
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  • Java smart card and calling method of application program interface of Java smart card

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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0024] see figure 1 , figure 1 It is a schematic diagram of the Java smart card application package and the Java smart card provided by the embodiment of the present application;

[0025] The Java smart card application program package provided by this application includes: Java smart card application program and user application program interface.

[0026] Wherein, the Java smart card application program can be developed according to the Java smart card API provided by the Java smart card operating system. As an example, Java smart c...

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Abstract

The invention relates to the technical field of smart cards, and especially relates to a Java smart card. The Java smart card comprises a Java intelligent card operating system, a Java smart card application program special interface provided by the Java smart card operating system, a safe storage area of a hardware area of the Java smart card and a user interface management module running in theJava smart card operating system. And the Java smart card application program downloaded to the Java smart card enables the user interface management module to run and download the user application program interface stored in the secure storage area by calling the special interface of the Java smart card application program. According to the Java smart card provided by the invention, a Java smartcard application program can call an interface which is required by a user and is developed by the user through a special interface of the Java smart card application program. Therefore, even if the interface implementation of the Java smart card operating system is not confirmed before the application program is developed, the Java smart card application program can be downloaded and used, and the lack of functions of the Java smart card operating system is made up.

Description

technical field [0001] The application relates to the technical field of smart cards, in particular to a Java smart card and a calling method of an application program interface thereof. Background technique [0002] A Java smart card application is an application developed based on the Java language and running on a smart card operating system that supports the Java smart card virtual machine. Like Java applications, it has the advantages of using natural language, easy development, one-time compilation, and multi-platform operation. [0003] In the Java smart card operating system, it is necessary to provide a large number of APIs (Application Program Interface, Application Programming Interface) for Java smart card application development to meet different usage scenarios and requirements. However, due to the limitation of the capacity of the smart card chip, the number of APIs implemented in the Java smart card operating system is limited. Therefore, the Java smart card ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/54G06K19/077
CPCG06F9/547G06K19/07701
Inventor 何碧波尤洪松
Owner HENGBAO
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