CN111950684A - Thin film smart card and starting method and communication method based on thin film smart card - Google Patents
Thin film smart card and starting method and communication method based on thin film smart card Download PDFInfo
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- CN111950684A CN111950684A CN202010789169.5A CN202010789169A CN111950684A CN 111950684 A CN111950684 A CN 111950684A CN 202010789169 A CN202010789169 A CN 202010789169A CN 111950684 A CN111950684 A CN 111950684A
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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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
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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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07715—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being used to indicate that the record carrier is active, e.g. a blinking light to indicate that the record carrier is busy communicating with a secondary device or busy computing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a thin film smart card, which is pasted on an SIM card and inserted into a mobile phone card slot along with the SIM card; the VCC port, the GND port and the RST port of the thin film smart card and the VCC port, the GND port and the RST port of the SIM card are connected with the VCC port, the GND port and the RST port of the mobile phone card slot together; an IO1 port of the thin film smart card is connected with an IO port of the mobile phone card slot; the CLK1 port of the thin film smart card is connected with the CLK port of the mobile phone card slot; an IO2 port of the thin film smart card is connected with an IO port of the SIM card; the CLK2 port of the thin film smart card is connected to the CLK port of the SIM card. Under the condition of not influencing the normal use of a user, a single hardware safety unit is provided for a terminal application program on the mobile phone. The invention also provides a starting method and a communication method based on the thin film intelligent card, and communication between the mobile phone and the SIM and the thin film intelligent card is effectively realized.
Description
Technical Field
The invention relates to a thin film smart card for a mobile phone.
Background
Smart phones have become essential devices for everyone, each content service provider develops corresponding applications on the smart phones, and the smart phones are used by a large number of users, and the open platform of the smart phones provides convenience for loading, installing and uninstalling various applications, and users can conveniently install and use various application programs on the smart phones, and the open platform of the smart phones brings convenience for the users and brings security risks, especially the security solution provided by the open platform of the smart phones, such as mobile banking and smart phone platforms, cannot meet the requirements of operators such as banks, needs to be externally connected with an independent security unit to provide security assurance for the applications, and currently, audio keys, bluetooth and OTP tokens (one-time password tokens) are widely used by keys, and can provide security assurance for the applications, but independent of the mobile phone, the user needs to carry the hardware with him and is inconvenient to use, so a security unit capable of being embedded in the smart phone is needed.
Disclosure of Invention
The invention aims to provide a thin film smart card which is attached to a Subscriber Identity Module (SIM) card and provides a hardware security unit independent of the SIM card for terminal application programs (including but not limited to client apps, h5 applications and the like) on a mobile phone without influencing the normal use of the SIM card function by a user.
The invention also provides a starting method and a communication method based on the thin film intelligent card, which effectively realize the communication between the mobile phone and the SIM and the thin film intelligent card and realize the safety management of the user key.
The technical scheme for realizing the purpose is as follows:
a thin film smart card is pasted on an SIM card and is inserted into a mobile phone card slot together with the SIM card;
the VCC port of the thin film smart card and the VCC port of the SIM card are connected with the VCC port of the mobile phone card slot together;
the GND port of the thin film smart card and the GND port of the SIM card are connected with the GND port of the mobile phone card slot together;
the RST port of the thin film smart card and the RST port of the SIM card are connected with the RST port of the mobile phone card slot together;
an IO1 port of the thin film smart card is connected with an IO port of the mobile phone card slot;
the CLK1 port of the thin film smart card is connected with the CLK port of the mobile phone card slot;
an IO2 port of the thin film smart card is connected with an IO port of the SIM card;
the CLK2 port of the thin film smart card is connected with the CLK port of the SIM card.
Preferably, the thin film smart card implements different functions or a combination of functions according to the user's needs, including but not limited to the following functions and combinations of functions:
SIM card function of the film card;
the function of the thin film shield;
the SIM card function of the film card + the function of the film shield.
Preferably, the functions of the thin film shield include, but are not limited to: CFCA certificate function, SIMeID (a kind of electronic identity identifier (eID)) function, and other functions of encrypting and protecting data of a user or authenticating and identifying the identity of the user by using various symmetric encryption methods or asymmetric encryption methods and various digest algorithms.
Preferably, the SIM card includes, but is not limited to, SIM, UIM, RUIM, USIM, UICC.
Preferably, the method comprises the following steps: and the instruction filtering module is used for judging the functions or the function combinations of the current thin film smart card and judging the APDU instructions sent by the mobile phone according to the functions or the function combinations.
The starting method based on the thin film intelligent card comprises the following steps:
step S11, the mobile phone powers on the film smart card and the SIM card;
step S12, judging whether the SIM card function on the current film card is activated, if so, the film smart card directly sends the film card ATR to the mobile phone, and entering step S13; if the SIM card function on the film card is not activated, the film smart card receives the SIM card ATR uploaded by the SIM card and forwards the SIM card ATR to the mobile phone, and the step S14 is entered;
step S13, the mobile phone issues a PPS command to the film smart card, the film smart card processes the PPS command and sends a PPS response to the mobile phone, and the process is finished;
step S14, the film smart card receives the PPS instruction of the mobile phone and forwards the PPS instruction to the SIM card;
step S15, the film smart card and the SIM card complete the PPS interaction, and simultaneously the film smart card sends a PPS response to the mobile phone according to the actual needs, the result of the PPS rate negotiation between the film smart card and the SIM card and the result of the PPS rate negotiation between the film smart card and the mobile phone can be the same or different, and the process is finished.
The communication method based on the thin film smart card comprises the following steps:
step S21, the film smart card receives the APDU command of the mobile phone and judges whether the SIM card function on the film card is activated; if activated, go to step S22; otherwise, the flow proceeds to step S23;
step S22, the thin film smart card processes the APDU command and returns the processing result to the mobile phone, and the process is finished;
step S23, the film smart card judges whether the APDU command is a dual-card switching command, if yes, the step S22 is returned; if not, the thin film smart card further judges whether the APDU command is the function of the thin film shield, if so, the step S22 is returned to; if not, the thin film smart card forwards the APDU instruction to the SIM card, the SIM card processes the APDU instruction, and returns the processing result to the mobile phone through the thin film smart card.
The invention has the beneficial effects that: the invention solves the problem that a user does not need to separately carry a safety hardware module, and simultaneously solves the safety guarantee of an application program on a mobile phone, and discloses a film-packaged film intelligent card which can be pasted on a user SIM card and put into an SIM card slot of the mobile phone together, wherein the film intelligent card realizes the communication adaptation between the mobile phone and the SIM card, and simultaneously loads applications such as a CFCA (electronic authentication service) certificate, an eID (electronic identity identifier) and the like in the film card.
Drawings
FIG. 1 is a schematic diagram of the connection of the thin film smart card of the present invention with a SIM card and a mobile phone card slot;
FIG. 2 is a flow chart of a thin film smart card based booting method of the present invention;
fig. 3 is a flow chart of the thin film smart card-based communication method of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1, the thin film smart card of the present invention is attached to a SIM card and inserted into a mobile phone card slot together with the SIM card.
The mobile phone card slot is provided with a VCC port, a GND port, a RST port, a CLK port, an IO port, a VPP port, a C4 port and a C8 port. Referring specifically to fig. 1, the contact functions of the thin film smart card are as follows:
TABLE 1
In addition to the above contact function, the thin film smart card additionally adds a second IO port (IO2) and a second CLK port (CLK2) for interaction with the SIM card. To distinguish from IO2 and CLK2, the contact C7(I/O) is abbreviated as IO1, and the contact C3(CLK) is abbreviated as CLK 1.
The VCC port of the thin film smart card and the VCC port of the SIM card are connected with the VCC port of the mobile phone card slot together, so that the mobile phone can provide power input for the thin film smart card and the SIM card through the VCC port simultaneously.
The GND port of the thin film smart card and the GND port of the SIM card are connected with the GND port of the mobile phone card slot together, so that the mobile phone can provide ground reference voltage for the thin film smart card and the SIM card through the GND ports at the same time.
The RST port of the thin film smart card and the RST port of the SIM card are connected with the RST port of the mobile phone card slot together, so that the mobile phone can input reset signals to the thin film smart card and the SIM card through the RST ports at the same time.
The IO1 port of the thin film smart card is connected with the IO port of the mobile phone card slot, so that the mobile phone and the thin film smart card can carry out serial data input/output;
the CLK1 port of the thin film smart card is connected with the CLK port of the mobile phone card slot, so that the mobile phone can provide independent clock signal input for the thin film smart card through the CLK port;
an IO2 port of the thin film smart card is connected with an IO port of the SIM card, so that the thin film smart card can carry out serial data input/output with the SIM card;
the CLK2 port of the thin film smart card is connected with the CLK port of the SIM card, so that the thin film smart card can provide independent clock signal input for the SIM card, and the signal input can be consistent with or inconsistent with the clock signal provided by the mobile phone to the thin film smart card.
The thin film smart card can realize different functions or a combination of a plurality of functions according to the requirements of users, including but not limited to the following functions and combinations: SIM card function of the film card; the function of the thin film shield; the SIM card function of the film card + the function of the film shield;
the functions of the thin film shield include, but are not limited to, a CFCA certificate function, a SIMeID shield function, and other functions of encrypting and protecting data of a user or authenticating and identifying the identity of the user by using various symmetric encryption methods or asymmetric encryption methods and various digest algorithms.
The SIM card, which generally refers to a smart card of a mobile phone, includes but is not limited to SIM, UIM (access network system identifier), RUIM (removable subscriber identity module), USIM (universal subscriber identity module), uicc (universal Integrated Circuit card), and the like.
The thin film smart card is internally provided with an instruction filtering module used for judging the function or the function combination of the current thin film smart card and judging an APDU (application protocol data unit) instruction sent by the mobile phone according to the function or the function combination.
A hardware safety unit independent of the SIM card is provided for terminal application programs (including but not limited to client apps, h5 applications and the like) on the mobile phone without influencing the normal use of the SIM card function by a user. The method has the advantages that the independent SIM card communication function is realized, the function that a user only has one SIM card in one original card slot can be added into the function that one card slot can have two SIM cards, and the user can conveniently determine and switch the currently used SIM card function on the thin film smart card or the original SIM card function; meanwhile, the function of the film shield similar to the internet banking UKey can be realized, and the difference is that the film shield can be conveniently inserted into a mobile phone card slot to be used at any time without being additionally carried about like the internet banking UKey. The functions on the thin film smart card are SIM card, shield, or SIM card + shield, which can be supported by the thin film smart card depending on the needs of the user.
Referring to fig. 2, the booting method based on the thin film smart card of the present invention includes the following steps:
step S11, the mobile phone powers on the film smart card and the SIM card, that is: the power-up block of the thin film smart card is reduced to the RST signal.
Step S12, judging whether the SIM card function on the film card is activated, if so, the film smart card directly sends film card ATR (answer to reset) to the mobile phone, and entering step S13; if the SIM card function on the film card is not activated, the film smart card receives the SIM card ATR uploaded by the SIM card and forwards the SIM card ATR to the mobile phone, and the step S14 is entered;
step S13, the mobile phone issues a PPS command to the film smart card, the film smart card processes the PPS (protocol and parameter selection) command, sends a PPS response to the mobile phone, and enters the flow of receiving the APDU command after the completion;
step S14, the film smart card receives the PPS instruction of the mobile phone and forwards the PPS instruction to the SIM card;
step S15, the film smart card and the SIM card complete the PPS interaction, and simultaneously the film smart card sends a PPS response to the mobile phone according to actual needs, the PPS rate negotiation result between the film smart card and the SIM card and the PPS rate negotiation result between the film smart card and the mobile phone can be the same or different, namely, the film smart card can automatically control the communication with the mobile phone and the communication with the SIM card to have different rates, and the process is finished. Entering the flow of receiving APDU command.
Referring to fig. 3, the communication method based on the thin film smart card of the present invention includes the following steps:
step S21, the film smart card receives the APDU command of the mobile phone and judges whether the SIM card function on the film card is activated; if activated, go to step S22; otherwise, the flow proceeds to step S23;
step S22, the thin film smart card processes the APDU command and returns the processing result to the mobile phone, and the process is finished;
step S23, the film smart card judges whether the APDU command is a dual-card switching command, if yes, the step S22 is returned; if not, the thin film smart card further judges whether the APDU command is the function of the thin film shield, if so, the step S22 is returned to; if not, the thin film smart card forwards the APDU instruction to the SIM card, the SIM card processes the APDU instruction, and returns the processing result to the mobile phone through the thin film smart card.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (7)
1. A thin film smart card is characterized in that the thin film smart card is pasted on an SIM card and is inserted into a mobile phone card slot along with the SIM card;
the VCC port of the thin film smart card and the VCC port of the SIM card are connected with the VCC port of the mobile phone card slot together;
the GND port of the thin film smart card and the GND port of the SIM card are connected with the GND port of the mobile phone card slot together;
the RST port of the thin film smart card and the RST port of the SIM card are connected with the RST port of the mobile phone card slot together;
an IO1 port of the thin film smart card is connected with an IO port of the mobile phone card slot;
the CLK1 port of the thin film smart card is connected with the CLK port of the mobile phone card slot;
an IO2 port of the thin film smart card is connected with an IO port of the SIM card;
the CLK2 port of the thin film smart card is connected with the CLK port of the SIM card.
2. The thin-film smart card of claim 1, wherein the thin-film smart card implements different functions or combinations of functions according to the user's needs, including but not limited to the following functions and combinations of functions:
SIM card function of the film card;
the function of the thin film shield;
the SIM card function of the film card + the function of the film shield.
3. The thin-film smart card of claim 2, wherein the thin-film shield functions include, but are not limited to: a CFCA certificate function, a SIMeID shield function, and other functions for performing encryption protection on data of a user or performing authentication and identification on the identity of the user by using various symmetric encryption methods or asymmetric encryption methods and various digest algorithms.
4. The thin film smart card of claim 1, wherein said SIM card includes, but is not limited to, SIM, UIM, RUIM, USIM, UICC.
5. The thin-film smart card of claim 1, comprising: and the instruction filtering module is used for judging the functions or the function combinations of the current thin film smart card and judging the APDU instructions sent by the mobile phone according to the functions or the function combinations.
6. A method for booting the thin film smart card according to claim 2, comprising:
step S11, the mobile phone powers on the film smart card and the SIM card;
step S12, judging whether the SIM card function on the current film card is activated, if so, the film smart card directly sends the film card ATR to the mobile phone, and entering step S13; if the SIM card function on the film card is not activated, the film smart card receives the SIM card ATR uploaded by the SIM card and forwards the SIM card ATR to the mobile phone, and the step S14 is entered;
step S13, the mobile phone issues a PPS command to the film smart card, the film smart card processes the PPS command and sends a PPS response to the mobile phone, and the process is finished;
step S14, the film smart card receives the PPS instruction of the mobile phone and forwards the PPS instruction to the SIM card;
step S15, the film smart card and the SIM card complete the PPS interaction, and simultaneously the film smart card sends a PPS response to the mobile phone according to the actual needs, the result of the PPS rate negotiation between the film smart card and the SIM card and the result of the PPS rate negotiation between the film smart card and the mobile phone can be the same or different, and the process is finished.
7. A communication method based on the thin film smart card of claim 2, comprising:
step S21, the film smart card receives the APDU command of the mobile phone and judges whether the SIM card function on the film card is activated; if activated, go to step S22; otherwise, the flow proceeds to step S23;
step S22, the thin film smart card processes the APDU command and returns the processing result to the mobile phone, and the process is finished;
step S23, the film smart card judges whether the APDU command is a dual-card switching command, if yes, the step S22 is returned; if not, the thin film smart card further judges whether the APDU command is the function of the thin film shield, if so, the step S22 is returned to; if not, the thin film smart card forwards the APDU instruction to the SIM card, the SIM card processes the APDU instruction, and returns the processing result to the mobile phone through the thin film smart card.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789169.5A CN111950684A (en) | 2020-08-07 | 2020-08-07 | Thin film smart card and starting method and communication method based on thin film smart card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789169.5A CN111950684A (en) | 2020-08-07 | 2020-08-07 | Thin film smart card and starting method and communication method based on thin film smart card |
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| CN111950684A true CN111950684A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010789169.5A Pending CN111950684A (en) | 2020-08-07 | 2020-08-07 | Thin film smart card and starting method and communication method based on thin film smart card |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937591A (en) * | 2010-08-20 | 2011-01-05 | 武汉天喻信息产业股份有限公司 | Financial film smart card |
| CN102004629A (en) * | 2010-11-23 | 2011-04-06 | 北京握奇数据系统有限公司 | Method, device and paster card for forwarding control |
| CN102255999A (en) * | 2011-03-09 | 2011-11-23 | 北京道通天下信息科技有限责任公司 | Method for determining communication protocol between terminal and smart card and expansion card |
| CN102663484A (en) * | 2012-03-26 | 2012-09-12 | 恒宝股份有限公司 | Foil card apparatus capable of realizing application protocol expansion and method for processing command data domain |
| CN207354637U (en) * | 2017-06-09 | 2018-05-11 | 深圳达闼科技控股有限公司 | Terminal |
-
2020
- 2020-08-07 CN CN202010789169.5A patent/CN111950684A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937591A (en) * | 2010-08-20 | 2011-01-05 | 武汉天喻信息产业股份有限公司 | Financial film smart card |
| CN102004629A (en) * | 2010-11-23 | 2011-04-06 | 北京握奇数据系统有限公司 | Method, device and paster card for forwarding control |
| CN102255999A (en) * | 2011-03-09 | 2011-11-23 | 北京道通天下信息科技有限责任公司 | Method for determining communication protocol between terminal and smart card and expansion card |
| CN102663484A (en) * | 2012-03-26 | 2012-09-12 | 恒宝股份有限公司 | Foil card apparatus capable of realizing application protocol expansion and method for processing command data domain |
| CN207354637U (en) * | 2017-06-09 | 2018-05-11 | 深圳达闼科技控股有限公司 | Terminal |
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