WO2017076258A1

WO2017076258A1 - Smart card and application downloading method thereof

Info

Publication number: WO2017076258A1
Application number: PCT/CN2016/104063
Authority: WO
Inventors: 刘勇
Original assignee: 国民技术股份有限公司
Priority date: 2015-11-03
Filing date: 2016-10-31
Publication date: 2017-05-11
Also published as: TW201719395A; CN107005284A

Abstract

The present invention relates to a smart card and application downloading method thereof. The smart card comprises: a master control module, used to load and operate a Java virtual machine, and to store and install an application program received via a Bluetooth channel; a Bluetooth module, used to connect with a mobile smart terminal and perform a data communication. The present invention addresses the current problem of the lack of a device-card channel between the mobile smart terminal and the telecommunication smart card by adding a Bluetooth function to a telecommunication smart card capable of supporting multiple applications as an application download channel between the mobile smart terminal and the telecommunication smart card.

Description

Smart card and method for downloading the same

Technical field

The present invention relates to the field of mobile communications, and more particularly to a multi-application smart card and a method of downloading the same.

Background technique

The mobile communication technology has achieved rapid development in the past few decades. However, the existing mobile intelligent terminal does not open the application download interface of the terminal communication baseband module and the smart card, and the mobile terminal cannot download and install the smart card application through the baseband module of the terminal. As a result, the user cannot dynamically download and delete the application in the smart card.

Therefore, there is a need for a technology that can solve the problem of a card channel between a mobile smart terminal and a smart card.

Summary of the invention

The inventors of the present invention conducted active research and proposed a smart card with Bluetooth function to solve the problem of the card channel between the mobile intelligent terminal and the smart card.

According to an aspect of the present invention, a multi-application smart card is provided, comprising: at least one main control module for loading and running a Java virtual machine, storing and installing an application received through a Bluetooth channel; at least one Bluetooth module for Connecting to the mobile intelligent terminal for data communication; and at least one telecommunications module for providing and calculating associated telecommunication network access parameters.

Through the technical solution of the present invention, by implementing the Bluetooth function on the telecom smart card supporting multiple applications, the applet application is downloaded through the Bluetooth channel, thereby solving the problem of the card channel between the current terminal and the smart card.

DRAWINGS

1 is a block diagram of a telecommunications SIM smart card system in accordance with the present invention.

2 is a block diagram of an SD smart card system in accordance with the present invention.

3 is a flow diagram of a smart card application download in accordance with the present invention.

4 is a detailed flow chart of a smart card applet application download in accordance with an embodiment of the present invention.

detailed description

The principles and features of the present invention are described in the following with reference to the accompanying drawings.

First, it should be noted that the mobile intelligent terminal device mentioned in the present invention refers to a mobile device that can access a telecommunication communication network and can perform voice and data communication, and the smart card mentioned in the present invention may be a telecommunication SIM smart card. It can also be an SD smart card. The telecom SIM smart card has a standard telecom 7816 communication interface, which supports telecom functions, while the space capacity and performance can meet the needs of other application services. The SD smart card has an SD communication interface, and the space capacity and performance can meet the needs of other application services. Smart card application business needs can be electronic cash applications, e-wallet applications, Shenzhen Tong applications, and so on. Of course, those skilled in the art should understand that the smart card is not limited to the above-mentioned telecommunication SIM smart card and SD smart card, and the application service requirements of the smart card are not limited to the above applications, as long as the smart card capable of performing the operation of the present invention and the applications that can be implemented by the smart card are It is included in the scope of the invention.

The telecommunication SIM smart card system and the SD smart card system will be described below in FIGS. 1 and 2, respectively. Those skilled in the art will appreciate that other smart card systems can operate in a similar structure.

As shown in FIG. 1, the telecommunications SIM smart card system includes at least one mobile intelligent terminal 100 and at least one telecommunication SIM smart card 200.

Further, the mobile intelligent terminal 100 includes at least one first main control module 103, at least one Bluetooth module 101, and at least one baseband module 104. The first main control module 103 is for controlling data communication between the Bluetooth module 101 and the baseband module 104. The Bluetooth module 101 is used to search for Bluetooth devices and initiate connection and data interaction. The baseband module 104 is used to power the telecommunications smart card and access the telecommunications network.

The Bluetooth module 101 can support one version or several versions of the Bluetooth specification developed by the Bluetooth standard organization, and can also support all versions of the current Bluetooth standard organization, such as Bluetooth protocol V2.1, Bluetooth protocol V2.3, Bluetooth protocol V3.0. , Bluetooth protocol V4.0, Bluetooth protocol V4.1, etc. In addition, the Bluetooth module 101 supports the master mode.

Further, the telecommunications SIM smart card 200 includes at least one second main control module 203, at least one Bluetooth module 202, and at least one telecommunications module 201. The Bluetooth module 202 is mainly used for mobile smart terminals. Connection and data communication. The telecommunications module 201 is primarily used to provide and calculate relevant telecommunications network access parameters. The main control module 203 is mainly used to load and run the Java virtual machine, store and install the applet application received through the Bluetooth channel.

The second main control module 203 is provided with a Java virtual machine, wherein the Java virtual machine supports downloading, deleting, and the like of the multi-application applet. The main control module 203 is further configured to control data transmission and reception of the Bluetooth module, analysis of the data format of the Bluetooth protocol, and Bluetooth protocol data packet. The resolution of the Bluetooth data format includes data integrity check, processing of format fields, and extraction of data content. Bluetooth data adds data headers, data format fields, check fields, etc. according to the definition of the Bluetooth protocol. In addition, the second main control module 203 is further configured to control the telecommunications module 201 to implement data interaction with the mobile terminal.

Similar to the Bluetooth module 101, the Bluetooth module 202 can support one version or several versions of the Bluetooth specification developed by the Bluetooth standard organization, and can also support all versions of the current Bluetooth standard organization, such as the Bluetooth protocol V2.1 and the Bluetooth protocol V2.3. , Bluetooth protocol V3.0, Bluetooth protocol V4.0, Bluetooth protocol V4.1, etc. In addition, the Bluetooth module 202 supports the slave mode.

The telecommunications module 201 has a standard telecommunications 7816 communication interface, supports telecommunications application functions, and has space capacity and performance to meet other application business needs.

During the application downloading process, the mobile intelligent terminal 100 selects and transmits the primary security domain of the Java virtual machine through the Bluetooth channel, and then the telecommunication SIM smart card 200 returns the ID of the primary security domain, and the mobile intelligent terminal 100 sets the acquired primary security domain ID value.

Then, the mobile smart terminal 100 performs channel authentication with the telecommunication SIM smart card 200 through the Bluetooth channel, and after the channel authentication passes, the applet application download is started.

The mobile smart terminal 100 sends an applet application installation operation instruction through the Bluetooth channel. After the installation instruction is successfully executed, the applet application ID is selected and the personalized instruction of the applet application is executed, thereby completing the applet application download.

As described above, by having the Bluetooth function on the telecom SIM smart card supporting multiple applications, the effect that the mobile smart terminal downloads the applet application to the telecommunication SIM smart card through the Bluetooth channel can be realized.

As shown in FIG. 2, the SD smart card system includes at least one mobile smart terminal 600 and at least one SD smart card 700.

The mobile intelligent terminal 600 includes at least one first main control module 603, at least one Bluetooth module 601, and at least one interface module 604. The main control module 603 is used to control the Bluetooth module 601 and the interface module 604 data communication. The Bluetooth module 601 is used to search for Bluetooth devices and initiate connection and data interaction. The interface module 604 is used to power the SD smart card.

The SD smart card 700 includes at least one second main control module 703 and at least one Bluetooth module 702. The Bluetooth module 702 is mainly used for connection and data communication with a mobile intelligent terminal. The second main control module 703 is mainly used to load and run the Java virtual machine, store and install the applet application received through the Bluetooth channel.

The system is similar to the above-mentioned telecommunication SIM smart card system, except that the above-mentioned telecommunication SIM smart card has a telecommunication function and the SD smart card in the system does not have a telecommunication function. The other main control modules and Bluetooth modules are the same as the main control modules and Bluetooth modules in the above system, and therefore will not be described here.

During the application downloading process, the mobile smart terminal 600 selects and transmits the primary security domain of the Java virtual machine through the Bluetooth channel, and then the SD smart card 700 returns the ID of the primary security domain, and the mobile intelligent terminal 100 sets the acquired primary security domain ID value.

Then, the mobile smart terminal 600 performs channel authentication with the SD smart card 700 through the Bluetooth channel, and starts the applet application download after the channel authentication is passed.

The mobile smart terminal 600 sends an applet application installation operation instruction through the Bluetooth channel. After the installation instruction is successfully executed, the applet application ID is selected and the personalized instruction of the applet application is executed, thereby completing the applet application download.

As described above, by having the Bluetooth function on the SD smart card, the effect of the mobile smart terminal downloading the applet application to the SD smart card through the Bluetooth channel can be realized.

3 is a flow chart of a method of smart card application downloading in accordance with the present invention.

As shown in FIG. 3, the method for downloading a smart card application according to the present invention includes the following steps: the mobile intelligent terminal sends a command to select a primary security domain to the smart card; the smart card returns a primary security domain ID to the mobile intelligent terminal; and the mobile intelligent terminal sends a channel to the smart card. Authentication command; smart card performs channel authentication; in the case of successful channel authentication, the mobile intelligent terminal sends an application download instruction to the smart card; the smart card issues the download result; in the case of successful download, the mobile intelligent terminal sends an application installation instruction to the smart card; and the smart card Publish the installation results.

As shown in FIG. 4, in 301, the telecommunications smart card 200 is powered up, then in 302, the telecommunications smart card 200 performs system resource and Bluetooth interface initialization, and then in 303, the telecommunications smart card 202 is in a state to receive the primary security domain command.

When it is desired to download the applet application, in 401, the mobile smart terminal 100 transmits an instruction to select the primary security domain to the telecommunications smart card 200 via the Bluetooth channel. At 304, the telecommunications smart card 200 returns the primary security domain ID to the mobile intelligent terminal 100. Then, in 402, the mobile smart terminal 100 receives and sets the primary security domain ID value returned by the telecommunications smart card end 200.

The value of the primary security domain ID returned may be the same as the ID value of the smart terminal, or may not be set.

Next, in 403, the mobile smart terminal 100 transmits a channel authentication command to the telecommunications smart card 200 through the Bluetooth channel. At 305, the telecommunications smart card 200 confirms the channel authentication result. If the authentication is successful, then at 404, the mobile smart terminal 100 sends an applet download command to the telecommunications smart card 200 over the Bluetooth channel. Next at 306, the telecommunications smart card 200 issues an applet download result.

The channel authentication instruction may be an instruction or an interactive instruction set. The Applet download instruction consists of a series of data instructions.

After the mobile smart terminal 100 successfully downloads the applet, in 405, the mobile smart terminal 100 transmits an applet installation instruction to the telecommunications smart card 200 through the Bluetooth channel to perform installation of the currently downloaded applet. Then in 307, the telecommunications smart card 200 issues the applet installation results.

Next, after the Applet installation is successful, in 407, the mobile smart terminal 100 transmits an ID of the currently installed applet to the telecommunications smart card 200 through the Bluetooth channel. After the telecommunications smart card 200 selects the applet ID successfully in 309, in 408, the mobile smart terminal 100 transmits the personalized applet's personalized instruction to the telecommunications smart card 200 via the Bluetooth channel. After the telecommunications smart card 200 completes the execution of the personalized instruction, the current applet download and installation is completed.

The personalized instruction 408 can be an instruction or a set of instructions.

As described above, the telecommunication smart card of the present invention has a Bluetooth function, so that the Bluetooth channel is used as an application download channel between the mobile intelligent terminal and the telecommunication smart card, thereby completing the applet application downloading process of the telecommunication smart card through the Bluetooth channel.

The invention solves the problem of lack of a card channel between a mobile intelligent terminal and a telecommunication smart card by adding a Bluetooth function on a telecommunication smart card supporting multiple applications as an application download channel between the mobile intelligent terminal and the telecommunication smart card.

It should be noted that the various embodiments described above with reference to the accompanying drawings are only to illustrate the invention and not to limit the scope of the invention, and those of ordinary skill in the art should understand that without departing from the spirit and scope of the invention Modifications or equivalents to the invention are intended to be included within the scope of the invention. In addition, unless the context indicates otherwise, words in the singular include plural and vice versa. Another In addition, all or a portion of any embodiment can be used in combination with all or a portion of any other embodiment, unless otherwise stated.

Claims

A smart card, characterized in that the smart card comprises:

a Bluetooth module for connecting to a mobile intelligent terminal and performing data communication to form a Bluetooth channel;

A main control module for loading and running a Java virtual machine, storing and installing an application received through the Bluetooth channel.
The smart card according to claim 1, wherein the smart card further comprises:

A telecommunications module for providing and calculating associated telecommunications network access parameters.
A method for downloading an application by using the smart card according to claim 1 or 2, wherein the smart card communicates with a mobile intelligent terminal, wherein the method comprises the following steps:

The smart card establishes a Bluetooth channel with the smart terminal;

The smart card performs channel authentication;

The smart terminal does not download data to the smart card in a stored manner.
The method of claim 3 wherein said channel authentication comprises:

The mobile intelligent terminal sends a selection primary security domain instruction to the smart card through the Bluetooth channel;

Transmitting, by the smart card, the primary security domain ID to the mobile intelligent terminal by using the Bluetooth channel;

Transmitting, by the mobile intelligent terminal, a channel authentication instruction to the smart card by using the Bluetooth channel;

The smart card performs channel authentication.
The method of claim 3 or 4, wherein said downloading data comprises:

In the case that the channel authentication is successful, the mobile intelligent terminal sends an application download instruction to the smart card through the Bluetooth channel;

The smart card issues a download result;

In case the download is successful, the mobile intelligent terminal sends an application installation instruction to the smart card through the Bluetooth channel;

The smart card issues an installation result.
The method of claim 4 wherein said channel authentication command comprises a finger Order or interactive instruction set.
The method of claim 5 wherein said download instruction consists of a series of data instructions.