CN112230941B - Java Card package and application program installation method and tool - Google Patents
Java Card package and application program installation method and tool Download PDFInfo
- Publication number
- CN112230941B CN112230941B CN202011001354.XA CN202011001354A CN112230941B CN 112230941 B CN112230941 B CN 112230941B CN 202011001354 A CN202011001354 A CN 202011001354A CN 112230941 B CN112230941 B CN 112230941B
- Authority
- CN
- China
- Prior art keywords
- package
- checking
- class
- data structure
- analyzing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000004458 analytical method Methods 0.000 claims description 27
- 238000012795 verification Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
- G06F8/315—Object-oriented languages
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
- G06F8/42—Syntactic analysis
- G06F8/427—Parsing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Stored Programmes (AREA)
Abstract
The Java Card package, the application program installation method and the tool are used for analyzing and constructing the package and the class during downloading and installation, and storing the package and the class in a nonvolatile storage device, so that the application program can be directly loaded into a memory during starting, and the program starting or switching time is effectively saved; meanwhile, through the arrangement of the hardware abstraction layer, the adaptability to various hardware communication interfaces is improved. Compared with the prior art, the method has the advantages of high starting or switching speed of the specific application program, support of diversification of communication interfaces and the like.
Description
Technical Field
The invention relates to the technical field of embedded computers, in particular to a Java Card package, an application program installation method and a tool.
Background
A large number of mobile devices or embedded devices are embedded with security chips or modules, and Java Card virtual machine technology is widely adopted in such security chips or modules in order to improve the development efficiency of application programs.
In the current Java Card virtual machine technology system, CAP (converted applet) files generated by an application program need to be communicated with an installation tool running on a security chip or module through a downloading tool running on a development platform or a mass production platform (usually a PC), and after CAP files are obtained and subjected to authority verification and version check, the CAP files are downloaded into the security chip or module supporting the Java Card virtual machine technology. But the application downloaded in this way requires a longer time at start-up; and when the application program needs to be switched in some services, a certain time is also spent, and in some application scenes with requirements on the program starting time and the switching efficiency, the application requirements cannot be met;
on the other hand, the Java Card virtual machine system is applied to the smart Card before the security chip or module is not popularized, and the communication interface is a 7816-3 standard multi-definition interface, which is single when facing the current diverse application requirements.
Disclosure of Invention
The present disclosure provides a Java Card package and an application program installation method and tool, which can shorten the starting or switching time of a Java Card virtual machine program.
The present disclosure provides a Java Card package and an application program installation method, comprising the following steps:
acquiring a CAP file;
the CAP file is analyzed step by step, checking and checking are carried out on the package and the application programs in the package, and under the condition that the checking and checking pass, data structures of the package and the class in the package are constructed and stored;
and after the checking and verification are passed, allowing the current package and the application programs in the package to be installed or updated, and after the installation or the update is completed, updating the information records of the installed package and the application programs.
Optionally, the step-by-step parsing the CAP file, checking and checking the package and the application program in the package, and under the condition that the checking and checking pass, constructing and storing the current package and the data structure of the class in the package, which specifically comprises the following steps:
analyzing and obtaining general information of a current packet, and checking the packet;
if the checking and checking pass, a packet structure body is established, relevant information is stored, and the information analysis and checking of the application program are entered;
if the verification of the application program is passed or the application program is not contained in the package, carrying out subsequent analysis to complete the acquisition of the structure information of the package and the class; gradually constructing and perfecting a data structure body of the package and the class according to the acquired structure information of the package and the class in the process;
the package and class structures are stored in a nonvolatile hardware memory device.
Optionally, the data structure of the package and class can be directly loaded into the runtime memory space when the application program runs, and directly obtain the byte code and the operand of the function to be executed according to the address content in the data structure.
Optionally, the installation method further comprises the following steps:
after the package in the current CAP file and the application program in the package are installed or updated, the current CAP file is deleted to save the storage space.
The present disclosure also provides a Java Card package and an application installation tool, including:
the data communication module is used for acquiring the CAP file;
the file analysis module is configured to analyze the CAP file, extract checking and checking information in the CAP file and send the checking and checking information to the application management module, and construct and store a data structure of a package in the CAP file and a class in the package under the condition that the checking and checking of the application management module are passed;
and the application management module is configured to check and verify the package in the CAP file and the application programs in the package, allow the package and the application programs in the package to be installed or updated after the check and verification are passed, and update the information records of the installed package and the application programs after the installation or the update is completed.
Optionally, the file parsing module includes:
the analysis unit is configured to gradually analyze the CAP file, extract checking and checking information and send the checking and checking information to the application management module, and then perform subsequent analysis after the checking and checking of the application management module are passed, so as to complete the acquisition of the structural information of the package and the class;
and a structure body constructing unit configured to construct a data structure body of the package and the class according to the structure information of the package and the class acquired by the analyzing unit and store the data structure body in the nonvolatile hardware storage device when the inspection and verification of the application management module is passed.
Optionally, the data structure of the package and class can be directly loaded into the runtime memory space when the program runs, and directly obtain the byte code and the operand of the function to be executed according to the address content in the data structure.
Optionally, the application management module is further configured to delete the original CAP file after the installation or update of the application program in the current package and the package is completed, so as to save the storage space.
Optionally, the installation tool further includes a hardware abstraction layer, and the data communication module communicates with various hardware communication interfaces by calling the communication interfaces provided by the hardware abstraction layer.
Optionally, the communication interface type supported by the hardware abstraction layer comprises 7816-3, SWP, I 2 C, SPI, and PCIe.
According to the Java Card package, the application program installation method and the application program installation tool, the package and the class are analyzed and constructed during downloading and installation, and the package and the class are stored in the nonvolatile storage device, so that the application program can be directly loaded into the memory during starting, and the program starting or switching time is effectively saved; meanwhile, through the arrangement of the hardware abstraction layer, the adaptability to various hardware communication interfaces is improved. Compared with the prior art, the beneficial effects of the present disclosure are: (1) the starting or switching speed of the application program is high; (2) the class analysis and construction work is carried out after the checking and verification are passed, so that the waste of system resources is avoided; (3) support the diversification of communication interfaces.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
FIG. 1 shows a flowchart of an exemplary embodiment parsing a CAP file;
FIG. 2 is a diagram illustrating a data structure of a package and class formed by parsing a CAP file in accordance with an exemplary embodiment;
fig. 3 shows a schematic diagram of the composition of an installation tool of an exemplary embodiment.
Detailed Description
Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present disclosure are illustrated in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
An exemplary Java Card package and application program installation method includes the steps of:
step 1, acquiring CAP files to be installed.
Step 2, analyzing the obtained CAP file step by step, checking and checking the installation authority, version and the like of the CAP file, and constructing and storing data structures of the package in the CAP file and the class in the package under the condition that the checking and checking pass.
The data structure body is a data structure which can be directly used by the Java Card virtual machine in the execution stage of the application program and does not need analysis and analysis. The storage of the data structures is preferably stored in a non-volatile hardware storage device, such as Flash.
And 3, allowing installation or updating of the current package and the application programs in the package after the checking and the verification are passed, and updating the information records of the installed package and the application programs after the installation or updating is completed.
Therefore, the exemplary embodiment effectively improves the efficiency of initializing and starting the application program by analyzing and constructing the data structure body which can be directly used by the Java Card virtual machine in the execution stage of the application program when the file is downloaded, shortens the response time of the application program to external commands when the application program is started, shortens the switching time between the application programs running on the Java Card virtual machine, improves the efficiency of the whole system, and can meet the requirements of clients on the starting and running efficiency.
In an exemplary embodiment, the detailed flow of step 2 is shown in fig. 1, and includes the following steps:
step 2.1, analyzing a Header component to obtain general information of the package, such as names and the like;
step 2.2, checking and checking the installation authority, version and the like of the package, if the checking and checking pass, establishing a data structure body of the package, storing related information, and entering the later analysis, otherwise, ending the analysis of the current package;
step 2.3, analyzing the Directory component to obtain the data size of other components;
step 2.4, if the Applet component exists, analyzing the Applet component, acquiring the content of the installation function, checking and checking the installation authority, version and the like of the application program in the component, if the checking and checking pass, entering the later analysis, otherwise, ending the analysis of the current package;
if not, skipping the step;
step 2.5, analyzing the Class assembly and establishing a data structure basic framework of the Class;
step 2.6, analyzing a Method component, and filling the type, the number of parameters, the required stack and the local variable space size of the Method into a data structure body of the class;
step 2.7, analyzing the Static Field component, and filling variables related to the class into the data structure of the class;
step 2.8, storing the ConstantPool and ReferenceLocation component data into a hardware storage device, and updating the hardware address into a data structure body of the packet, wherein the hardware address refers to the address in the hardware storage device;
step 2.9, analyzing the Descriptor component, writing the bytecodes of the method into the hardware storage device, and updating the hardware address of the method into the data structure body of the class;
and 2.10, writing the data structures of the package and the class into a hardware storage device so that the application program can directly read the memory when running.
A schematic diagram of the data structure of the package and class formed by parsing the CAP file according to the present exemplary embodiment is shown in fig. 2.
Preferably, the method further comprises the step of deleting the current package after the current package and the application program in the package are installed or updated.
As shown in fig. 3, the Java Card virtual machine installation tool according to the exemplary embodiment includes:
and a data communication module: the CAP file is used for communicating with a download tool on a development platform or a mass production platform to obtain the CAP file;
and a file analysis module: the system is used for analyzing the acquired CAP files according to various CAP file formats, providing the CAP files for an application management module to check and check, forming a data structure which can be directly used by a Java Card virtual machine in an application program execution stage without analysis and analysis under the condition that the check and the check pass, and storing the data structure in a nonvolatile hardware storage module such as Flash;
and an application management module: the method is used for managing the information such as the identification of the installed package and the application program and the corresponding storage address, checking and checking the information of the package or the application program in the CAP file, judging whether the information can be installed or updated, and the like. If the check passes, the current package and the application in the package are allowed to be installed.
The present exemplary installation tool is capable of running in a Java Card virtual machine system that satisfies the definition of Java Card 3 Platform Virtual Machine Specification,Classic Edition, satisfies the functions defined by the relevant specifications, and complies with the restrictions set forth by the specifications.
As a preferred solution, the exemplary installation tool further includes a hardware abstraction layer, and the data communication module invokes a communication interface of the hardware abstraction layer to obtain the CAP file.
By configuring the hardware abstraction layer, the data communication module is capable of supporting, but not limited to, the following hardware interface types for data transmission: 7816-3, SWP, I 2 C. SPI, PCIe. Providing a hardware abstraction layer, so that the Java Card virtual machine installation tool can add new hardware interface codes according to the requirements of an abstraction layer interface according to the requirements of actual hardware so as to support a new hardware interface.
The application management module is also used for deleting the CAP file and timely releasing system resources after the current package and the application program in the package are installed or updated.
According to the installation method and the installation tool obtained in the mode, the data are analyzed and processed in the installation stage to form a specific data structure, the specific data structure is stored, and the specific data structure is directly loaded into the memory for use when the program is required to be executed, so that the time required by class loading and data initialization is reduced, the response speed of the initial stage of program execution is improved, and the time for switching among programs is reduced;
meanwhile, the abstraction of the bottom hardware is realized, and the abstraction of the bottom hardware communication interface is included, so that the adopted hardware interface can be configured according to the hardware communication interface of the actually used safety chip or safety module, or the software code of the hardware communication interface can be added according to the requirement of hardware interface abstraction, and the hardware communication interface is convenient to be transplanted to different hardware platforms.
The foregoing technical solutions are merely exemplary embodiments of the present invention, and various modifications and variations can be easily made by those skilled in the art based on the application methods and principles disclosed in the present invention, not limited to the methods described in the foregoing specific embodiments of the present invention, so that the foregoing description is only preferred and not in a limiting sense.
Claims (6)
1. A Java Card package and an application program installation method comprise the following steps:
acquiring a CAP file;
analyzing the acquired CAP files step by step according to various CAP file formats, checking and checking, forming a packet which can be directly used by a Java Card virtual machine in an application program execution stage without analysis and a data structure body of the class in the packet under the condition that the checking and checking pass, and storing the packet in a nonvolatile hardware storage module; the data structures of the package and the class in the package can be directly loaded into a memory space in the running process when an application program runs, and byte codes and operands of functions to be executed can be directly obtained according to the address content in the data structures; the method specifically comprises the following steps:
step 2.1, analyzing a Header component to obtain general information of the package;
step 2.2, checking and checking the installation authority and version of the package, if the checking and checking pass, establishing a data structure body of the package, storing related information, and entering the later analysis, otherwise, ending the analysis of the current package;
step 2.3, analyzing the Directory component to obtain the data size of other components;
step 2.4, if the Applet component exists, analyzing the Applet component, acquiring the content of the installation function, checking and checking the installation authority and version of the application program in the component, if the checking and checking pass, entering the later analysis, otherwise, ending the analysis of the current package; skipping this step if an Applet component does not exist;
step 2.5, analyzing the Class assembly and establishing a data structure basic framework of the Class;
step 2.6, analyzing a Method component, and filling the type, the number of parameters, the required stack and the local variable space size of the Method into a data structure body of the class;
step 2.7, analyzing the Static Field component, and filling variables related to the class into the data structure of the class;
step 2.8, storing the ConstantPool and ReferenceLocation component data into a hardware storage device, and updating the hardware address into a data structure body of the packet, wherein the hardware address refers to the address in the hardware storage device;
step 2.9, analyzing the Descriptor component, writing the bytecodes of the method into the hardware storage device, and updating the hardware address of the method into the data structure body of the class;
step 2.10, writing the data structure of the package and the class into a hardware storage device so that the application program can directly read the memory when running;
and after the checking and verification are passed, allowing the current package and the application programs in the package to be installed or updated, and after the installation or the update is completed, updating the information records of the installed package and the application programs.
2. The Java Card package and application installation method as claimed in claim 1, further comprising the steps of:
after the package in the current CAP file and the application program in the package are installed or updated, the current CAP file is deleted to save the storage space.
3. A Java Card package and application installation tool for applying the method of any one of claims 1-2, comprising:
the data communication module is used for acquiring the CAP file;
the file analysis module is used for gradually analyzing the acquired CAP files according to various CAP file formats, checking and checking, forming a packet and a data structure body of the packet, which can be directly used by the Java Card virtual machine in the execution stage of the application program without analysis and analysis, under the condition that the checking and checking pass, and storing the packet and the data structure body in the packet in the nonvolatile hardware storage module; the data structures of the package and the class in the package can be directly loaded into a memory space in the running process when an application program runs, and byte codes and operands of functions to be executed can be directly obtained according to the address content in the data structures; the method specifically comprises the following steps:
step 2.1, analyzing a Header component to obtain general information of the package;
step 2.2, checking and checking the installation authority and version of the package, if the checking and checking pass, establishing a data structure body of the package, storing related information, and entering the later analysis, otherwise, ending the analysis of the current package;
step 2.3, analyzing the Directory component to obtain the data size of other components;
step 2.4, if the Applet component exists, analyzing the Applet component, acquiring the content of the installation function, checking and checking the installation authority and version of the application program in the component, if the checking and checking pass, entering the later analysis, otherwise, ending the analysis of the current package; skipping this step if an Applet component does not exist;
step 2.5, analyzing the Class assembly and establishing a data structure basic framework of the Class;
step 2.6, analyzing a Method component, and filling the type, the number of parameters, the required stack and the local variable space size of the Method into a data structure body of the class;
step 2.7, analyzing the Static Field component, and filling variables related to the class into the data structure of the class;
step 2.8, storing the ConstantPool and ReferenceLocation component data into a hardware storage device, and updating the hardware address into a data structure body of the packet, wherein the hardware address refers to the address in the hardware storage device;
step 2.9, analyzing the Descriptor component, writing the bytecodes of the method into the hardware storage device, and updating the hardware address of the method into the data structure body of the class;
step 2.10, writing the data structure of the package and the class into a hardware storage device so that the application program can directly read the memory when running;
and the application management module is used for allowing the installation or updating of the current package and the application programs in the package after the checking and the verification are passed, and updating the information records of the installed package and the application programs after the installation or updating is completed.
4. The Java Card package and application installation tool of claim 3, wherein the application management module is further configured to delete the original CAP file after the installation or update of the application in the current package and package is completed, to save storage space.
5. The Java Card package and application installation tool as claimed in claim 3, wherein said installation tool further comprises a hardware abstraction layer, said data communication module communicates with various hardware communication interfaces by calling a communication interface provided by said hardware abstraction layer.
6. The Java Card package and application installation tool according to claim 5, wherein the communication interface types supported by the hardware abstraction layer include 7816-3, SWP, I 2 C, SPI, and PCIe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001354.XA CN112230941B (en) | 2020-09-22 | 2020-09-22 | Java Card package and application program installation method and tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001354.XA CN112230941B (en) | 2020-09-22 | 2020-09-22 | Java Card package and application program installation method and tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112230941A CN112230941A (en) | 2021-01-15 |
| CN112230941B true CN112230941B (en) | 2024-03-29 |
Family
ID=74108041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011001354.XA Active CN112230941B (en) | 2020-09-22 | 2020-09-22 | Java Card package and application program installation method and tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112230941B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114995843B (en) * | 2022-08-03 | 2022-10-18 | 紫光同芯微电子有限公司 | Method and device for downloading and storing program package component |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023885A (en) * | 2010-12-17 | 2011-04-20 | 北京握奇数据系统有限公司 | Method and system for storing bytecode of JCRE (Java card run time environment) |
| CN102184374A (en) * | 2011-03-24 | 2011-09-14 | 北京握奇数据系统有限公司 | Method and device for downloading file based on Java intelligent card |
| WO2013097544A1 (en) * | 2011-12-31 | 2013-07-04 | 飞天诚信科技股份有限公司 | Method for smart card to process cap file |
| CN103677778A (en) * | 2012-09-18 | 2014-03-26 | 北京中电华大电子设计有限责任公司 | Method for analyzing Classref constant of CAP file |
| CN103914326A (en) * | 2014-04-21 | 2014-07-09 | 飞天诚信科技股份有限公司 | Method and device for efficiently updating JAVA instruction |
| CN103955395A (en) * | 2014-04-28 | 2014-07-30 | 飞天诚信科技股份有限公司 | Method and device for efficient object management |
| CN106020920A (en) * | 2016-05-11 | 2016-10-12 | 广州新诚芯信息科技有限公司 | Preprocessing method and system for JCVM interpreter |
| CN108985756A (en) * | 2017-06-05 | 2018-12-11 | 华为技术有限公司 | SE application processing method, user terminal and server |
| CN109445807A (en) * | 2017-08-28 | 2019-03-08 | 腾讯科技（深圳）有限公司 | Realize the method, apparatus and computer readable storage medium of application program update |
| CN109857385A (en) * | 2018-12-24 | 2019-06-07 | 四川长虹电器股份有限公司 | Application file packaging method, installation method and starting method |
| CN110008134A (en) * | 2019-04-18 | 2019-07-12 | 上海计算机软件技术开发中心 | A kind of Java card standard API method for testing security |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7165246B2 (en) * | 2003-01-16 | 2007-01-16 | Sun Microsystems, Inc. | Optimized representation of data type information in program verification |
-
2020
- 2020-09-22 CN CN202011001354.XA patent/CN112230941B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023885A (en) * | 2010-12-17 | 2011-04-20 | 北京握奇数据系统有限公司 | Method and system for storing bytecode of JCRE (Java card run time environment) |
| CN102184374A (en) * | 2011-03-24 | 2011-09-14 | 北京握奇数据系统有限公司 | Method and device for downloading file based on Java intelligent card |
| WO2013097544A1 (en) * | 2011-12-31 | 2013-07-04 | 飞天诚信科技股份有限公司 | Method for smart card to process cap file |
| CN103677778A (en) * | 2012-09-18 | 2014-03-26 | 北京中电华大电子设计有限责任公司 | Method for analyzing Classref constant of CAP file |
| CN103914326A (en) * | 2014-04-21 | 2014-07-09 | 飞天诚信科技股份有限公司 | Method and device for efficiently updating JAVA instruction |
| CN103955395A (en) * | 2014-04-28 | 2014-07-30 | 飞天诚信科技股份有限公司 | Method and device for efficient object management |
| CN106020920A (en) * | 2016-05-11 | 2016-10-12 | 广州新诚芯信息科技有限公司 | Preprocessing method and system for JCVM interpreter |
| CN108985756A (en) * | 2017-06-05 | 2018-12-11 | 华为技术有限公司 | SE application processing method, user terminal and server |
| CN109445807A (en) * | 2017-08-28 | 2019-03-08 | 腾讯科技（深圳）有限公司 | Realize the method, apparatus and computer readable storage medium of application program update |
| CN109857385A (en) * | 2018-12-24 | 2019-06-07 | 四川长虹电器股份有限公司 | Application file packaging method, installation method and starting method |
| CN110008134A (en) * | 2019-04-18 | 2019-07-12 | 上海计算机软件技术开发中心 | A kind of Java card standard API method for testing security |
Non-Patent Citations (2)
| Title |
|---|
| A Java Card Virtual Machine Design Based on Off-card/On-card Co-design Pre-processing;Jiaxin Hong等;《CCF National Conference on Computer Engineering and Technology》;第11–21页 * |
| Java智能卡解析优化方法;张大伟等;《北京航空航天大学学报》;第35卷(第1期);第78-81页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112230941A (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104793946B (en) | Dispositions method and system are applied based on cloud computing platform | |
| CN105657191B (en) | Application increment upgrading method and system based on Android system | |
| CN109614165B (en) | Multi-version parallel operation method and device for COM (component object model) component | |
| US7913265B2 (en) | Method of loading software with an intermediate object oriented language in a portable device | |
| CN110597531B (en) | Distributed module upgrading method and device and storage medium | |
| US8949821B2 (en) | Cap file for the personalization of a java application | |
| CN101840332B (en) | Data processing method, device and system of JAVA intelligent card | |
| CN108228077B (en) | Storage area management method, operation method, device, equipment and readable medium | |
| CN115982784B (en) | Method and device for calling function by WebAsssembly module | |
| KR101502977B1 (en) | A personal token having enhanced abilities for delivering HTML data | |
| CN111651169B (en) | Block chain intelligent contract operation method and system based on web container | |
| CN112230941B (en) | Java Card package and application program installation method and tool | |
| KR102097644B1 (en) | How to manage packages within secure elements | |
| CN112256249A (en) | Method and equipment for expanding Android system function and computer storage medium | |
| US6779732B2 (en) | Method and apparatus for linking converted applet files | |
| CN106802805B (en) | Application service management method and device suitable for server management | |
| CN110806891B (en) | Method and device for generating software version of embedded device | |
| CN111625225A (en) | Program specified data output method and device | |
| CN116954752A (en) | Differentiated system configuration and loading method and device and computer equipment | |
| CN116107623A (en) | Software development method and device and electronic equipment | |
| CN115934203A (en) | Dynamic so loading method, storage medium and electronic equipment | |
| CN107092601B (en) | Resource file construction method, resource file application method and device | |
| CN110502354B (en) | Java intelligent card and calling method of application program interface thereof | |
| US20050183081A1 (en) | Installation of a compiled program, particularly in a chip card | |
| WO2019157891A1 (en) | Application installation method and application installer generating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |