CN112105020B - Cloud SDK system of film sticking card and operation method thereof - Google Patents

Cloud SDK system of film sticking card and operation method thereof Download PDF

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Publication number
CN112105020B
CN112105020B CN202010895318.6A CN202010895318A CN112105020B CN 112105020 B CN112105020 B CN 112105020B CN 202010895318 A CN202010895318 A CN 202010895318A CN 112105020 B CN112105020 B CN 112105020B
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card
film
sdk
cloud
terminal application
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CN112105020A (en
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闵晓琼
段义军
李晓国
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Shanghai Fangfutong Technology Service Co ltd
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Shanghai Fangfutong Technology Service Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04Key management, e.g. using generic bootstrapping architecture [GBA]

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a cloud terminal SDK system of a film sticking card, which comprises terminal equipment, the film sticking card and an SDK background system, wherein the SDK background system comprises: a user database management module; a key management module; the film card cloud SDK background server; the terminal device includes: the BIP channel management module is used for receiving and transmitting channel management instructions with the film card cloud SDK background server; the BIP data transceiver module is used for transmitting transaction instructions with the film card cloud SDK background server; the film card cloud end SDK is used for interacting information with a film card cloud end SDK background server; the film sticking card comprises: the event management module is used for processing the channel management instruction; and the film card data receiving and transmitting module is used for transmitting transaction instructions and exchanging information with the film card application. The invention also discloses an operation method of the cloud SDK system. The invention solves the problem that the application on the limited terminal accesses the film sticking card.

Description

Cloud SDK system of film sticking card and operation method thereof
Technical Field
The invention relates to the technical field of communication, in particular to a cloud SDK (Software Development Kit ) system of a film sticking card and an operation method thereof.
Background
The film sticking card is used as a hardware carrier and matched with a terminal application program to provide a shield-like function for the application program, and the function is widely used in application systems such as mobile banking, SIMeID (one of the public security national network electronic identity (eID)), and the like. In the process of using the film-sticking card, a user needs to communicate with the film-sticking card through a terminal application program. The film sticking card is attached to a SIM (subscriber identity module) card and then placed into a mobile phone card slot, and is linked with a contact on the film sticking card through a contact on the mobile phone card slot so as to further carry out contact type data transmission.
The SIM card is similar to the role of SE from the perspective of the handset OS. The Operating System (OS) on the handset has some restrictions on third party applications communicating with SE (sticker/SIM), and different handset OS's there are also differences in the restrictions. The IOS system of the current apple mobile phone does not allow the third party application program to directly communicate with SE; in android mobile systems, a few mobile phones have this limitation.
Disclosure of Invention
The invention aims to provide a cloud SDK system of a film sticking card and an operation method thereof, which solve the problem that the application on a terminal is limited to access the film sticking card at present.
The technical scheme for achieving the purpose is as follows:
the cloud end SDK system of the film sticking card comprises terminal equipment, the film sticking card and an SDK background system, wherein,
the SDK background system comprises:
a user database management module for managing the mobile phone number of the user and the card number of the film-sticking card;
a key management module for managing session keys; and
the film card cloud SDK background server is connected with the user database management module and the key management module;
the terminal device includes:
a BIP channel management module for receiving and transmitting channel management instructions between a BIP (Bearer Independent Protocol) protocol and the cloud SDK background server of the film-sticking card;
the BIP data transceiver module is used for transmitting transaction instructions through between the BIP protocol and the film card cloud SDK background server; and
the terminal application calls the film card cloud SDK and interacts information with the film card cloud SDK background server;
the film sticking card comprises:
the event management module is connected with the BIP channel management module and is used for processing channel management instructions; and
and the film card data receiving and transmitting module is used for transmitting transaction instructions through the BIP data receiving and transmitting module and exchanging information with the film card application.
Preferably, the terminal device is a mobile phone.
Preferably, the film sticking card leaves the factory and is internally provided with an ip (internet protocol) address and a port of the SDK background system, and a corresponding background system master key.
Preferably, after the terminal application background of the terminal device has been accessed to the eID system, the terminal application background of the terminal device accesses the eID background and the patch card cloud SDK background server through an IDSP (eID network identity service mechanism) and an IDSO (network identity operation mechanism, which are connected to an eID issuing center and an eID network identity mechanism), and the terminal device further includes a SIMeID SDK;
when the terminal application background of the terminal equipment is not connected to the eID system, the terminal application background adopts a mode that the film card cloud end SDK directly communicates with the film card cloud end SDK background server, or adopts a mode that the terminal application background communicates with the film card cloud end SDK background server.
The operation method based on the cloud SDK system provided by the invention comprises the following steps:
when the terminal application background is accessed into the eID system, the terminal application invokes the SIMeID SDK and interacts with the eID background through the IDSP and IDSO network to complete the corresponding eID function; in the process, when the terminal application judges that interaction with the film sticking card is needed, the terminal application calls the film sticking card cloud end SDK and interacts with a film sticking card cloud end SDK background server through the network of IDSP and IDSO;
when the terminal application background is not connected to the eID system, and the terminal application judges that interaction with the film card is needed, the terminal application calls the film card cloud end SDK and directly interacts with a film card cloud end SDK background server, or the terminal application calls the film card cloud end SDK and indirectly interacts with the film card cloud end SDK background server through the terminal application background.
Preferably, the interaction process of the terminal application calling the film card cloud SDK and the film card cloud SDK background server comprises the following steps: BIP channel binding, session key negotiation and data transparent transmission.
Preferably, the BIP channel binding includes:
the terminal application initiates a binding operation to a film card cloud SDK background server, and transmits a mobile phone number of a user or a card number of the film card;
the film card cloud SDK background server judges whether the current terminal application background is accessed into an eID system, if so, a user database management module is checked according to the mobile phone number or the card number of the film card, whether the user has an eID function opening is confirmed, if not, error information is returned to the terminal application, and the processing is finished; otherwise, the next step is carried out; when the film card cloud SDK background server judges that the current terminal application background is not connected with the eID system, the user does not need to confirm whether the eID function is opened or not, and the next step is directly carried out;
the film card cloud SDK background server judges whether the mobile phone number or the card number of the film card is sent by the terminal application, if the mobile phone number is the mobile phone number, the corresponding card number of the film card is inquired through the user database management module;
the film card cloud SDK background server checks whether the BIP link of the film card exists through the card number of the film card, if not, error information is returned to the terminal application, and the processing is finished; otherwise, performing a session key negotiation step;
the session key negotiation includes: the film card cloud SDK background server negotiates with the film card to generate a session key, and synchronizes the session key to a terminal application, and the terminal application is successfully bound with the SDK background system and a BIP channel of the film card;
the data transparent transmission comprises:
the terminal application encrypts a data message to be transmitted to the film card by using the session key and calculates MAC (Message Authentication Codes, message authentication code);
the terminal application calls the cloud end SDK of the film card, and the encrypted data message with the MAC is transmitted to a background server of the cloud end SDK of the film card through an IDSP and IDSO network or through direct connection or background indirect connection;
the cloud end SDK background server of the film sticking card uses BIP link to transmit the data message to the film sticking card;
the film card data receiving and transmitting module checks whether the data message is correct or not, if the data message is checked to be incorrect, error information is fed back to the film card cloud SDK background server, and the processing is finished; otherwise, continuing the next step;
the film card data receiving and transmitting module distributes the data message to the corresponding film card application to further analyze and process the message;
after the application processing of the film sticking card is finished, returning information to the film sticking card data receiving and transmitting module;
the film card data receiving and transmitting module carries out package processing on data returned by the film card application, encrypts and calculates MAC, and then invokes BIP link to send the data to the film card cloud SDK background server;
the film card cloud SDK background server returns a film card response message to the terminal application;
and the terminal application performs checksum decryption on the response message and processes the response message.
The beneficial effects of the invention are as follows: the invention enables the application on the terminal with limit to access the film sticking card through effective structure and logic design, and is convenient and effective.
Drawings
FIG. 1 is a block diagram of a cloud SDK system of a film card of the present invention;
fig. 2 is a schematic diagram of an eID access of the cloud SDK system of the present invention;
fig. 3 is a schematic diagram of the cloud SDK system of the present invention without eID access, but the application side requires indirect connection with the SDK background through the application background;
fig. 4 is a schematic diagram of a cloud SDK system of the present invention without access to eID, directly connected to the SDK background through a film card;
FIG. 5 is a schematic diagram of BIP in the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The purpose of BIP specification definition is to make the remote application server of the operator convenient for downloading, updating and upgrading functions of STK application on SIM card, and the principle is as follows in fig. 5.
Referring to fig. 1-4, the cloud SDK system of the film card of the present invention includes a terminal device, a film card, and an SDK background system. The SDK background system comprises: the system comprises a user database management module 11, a key management module 12 and a film card cloud SDK background server 13. The terminal device comprises: BIP channel management module 21, BIP data transceiver module 22, pad pasting card high in the clouds SDK 23. The pad pasting card includes: an event management module 31 and a film card data transceiver module 32. In this embodiment, the terminal device is a mobile phone.
The user database management module 11 is used for managing the mobile phone number of the user and the card number of the film-coated card. The key management module 12 is used to manage session keys. The film card cloud SDK background server 13 is connected with the user database management module 11 and the key management module 12.
The BIP channel management module 21 utilizes the BIP protocol to send and receive channel management instructions to and from the film card cloud SDK background server 13. The BIP data transceiver module 22 utilizes the BIP protocol to transmit transaction instructions with the film card cloud SDK background server 13. The film card cloud SDK 23 is called by the terminal application and interacts information with the film card cloud SDK background server 13.
The event management module 31 is connected to the BIP channel management module 21, and is configured to process channel management instructions. The film card data transceiver module 32 and the BIP data transceiver module 22 perform transaction instruction transparent transmission and exchange information with the film card application.
After the terminal application background of the terminal equipment is accessed to the eID system, the terminal application background of the terminal equipment is accessed to the eID background and the film card cloud SDK background server through the IDSP and IDSO networks; the terminal device also includes a SIMeID SDK.
When the terminal application background of the terminal equipment is not connected to the eID authentication system, the terminal application background does not need to communicate with the film card cloud SDK background server through IDSP and IDSO, but adopts a mode that the film card cloud SDK directly communicates with the film card cloud SDK background server, or adopts a mode that the film card cloud SDK is connected with the terminal application background and communicates with the film card cloud SDK background server through the terminal application background.
The film sticking card leaves the factory and is internally provided with an ip address and a port of a cloud SDK background, and a corresponding background system master key is simultaneously arranged in the film sticking card and used for verifying whether the card is counterfeit. The SIMeID function is opened from the user to the counter, and after the SIMeID function is successfully opened, the mobile phone number of the user and the card number data of the film-sticking card are synchronized to the user database management module 11 of the SDK background system. The user takes the film sticking card and sticks the film sticking card to the mobile phone for starting. After the film sticking card detects that the mobile phone is started, an APDU (application protocol data unit) instruction defined by BIP specification is called to open a BIP channel. The BIP channel is successfully opened, and a card number is sent to the SDK background system on the film-sticking card; and the SDK background system verifies that the instruction sent by the film sticking card is correct through the system master key, if the instruction is correct, BIP link establishment is successful, otherwise, the instruction fails.
The terminal application provider applies for accessing the SIMeID system; assigning an APP ID to an application provider; the application provider develops terminal applications, and accesses the SIMeID SDK and the film card cloud SDK provided by the IDSP.
The operation method based on the cloud SDK system provided by the invention comprises the following steps: when the terminal application background is accessed into the eID system, the terminal application invokes the SIMeID SDK and interacts with the eID background through the IDSP and IDSO network to complete the corresponding eID function; in the process, when the terminal application judges that interaction with the film card is needed (for example, when eID signature is needed by using an eID certificate on the film card), the terminal application calls the film card cloud SDK and interacts with a film card cloud SDK background server through the network of IDSP and IDSO, and the interaction process comprises the following steps: BIP channel binding, session key negotiation and data transparent transmission.
When the terminal application background is not connected to the eID system, and the terminal application judges that interaction with the film card is needed, the terminal application calls the film card cloud end SDK and directly interacts with a film card cloud end SDK background server, or the terminal application calls the film card cloud end SDK and indirectly interacts with the film card cloud end SDK background server through the terminal application background.
Wherein, BIP channel binds, include:
1) The terminal application initiates a binding operation to a film card cloud SDK background server, and transmits a mobile phone number of a user or a card number of the film card;
2) The film card cloud SDK background server judges whether the current terminal application background is accessed into an eID system, if so, the user database management module is checked according to the mobile phone number or the card number of the film card, whether the user has an eID function opening is confirmed, if not, error information is returned to the terminal application, the user is prompted to firstly open the eID function, and the processing is finished; otherwise, the next step is carried out; when the film card cloud SDK background server judges that the current terminal application background is not connected with the eID system, the user does not need to confirm whether the eID function is opened or not, and the next step is directly carried out;
3) The film card cloud SDK background server judges whether the mobile phone number or the card number of the film card is sent by the terminal application, if the mobile phone number is the mobile phone number, the corresponding card number of the film card is inquired through the user database management module;
4) The film card cloud SDK background server checks whether BIP links of the film card exist through the card number of the film card, if not, error information is returned to the terminal application, a user is prompted to open BIP functions in an STK application menu of the mobile phone, and the processing is finished; and otherwise, performing a session key negotiation step.
Session key negotiation, comprising: the film card cloud SDK background server negotiates with the film card to generate a session key, and synchronizes the session key to the terminal application, and the terminal application is successfully bound with the SDK background system and the BIP channel of the film card.
Data transparent transmission, comprising:
1) The terminal application encrypts and MAC calculates a data message to be transmitted to the film sticking card by using the session key;
2) The terminal application calls the cloud end SDK of the film card, and the encrypted data message with the MAC is transmitted to a background server of the cloud end SDK of the film card through an IDSP and IDSO network or through direct connection or background indirect connection;
3) The cloud end SDK background server of the film sticking card uses BIP link to transmit the data message to the film sticking card;
4) The film card data receiving and transmitting module checks whether the data message is correct or not, if the data message is checked to be incorrect, error information is fed back to the film card cloud SDK background server, and the processing is finished; otherwise, continuing the next step;
5) The film card data receiving and transmitting module distributes the data message to the corresponding film card application to further analyze and process the message;
6) After the application processing of the film sticking card is finished, returning information to the film sticking card data receiving and transmitting module;
7) The film card data receiving and transmitting module carries out package processing on data returned by the film card application, encrypts and calculates MAC, and then invokes BIP link to send the data to the film card cloud SDK background server;
8) The film card cloud SDK background server returns a film card response message to the terminal application;
9) The terminal application performs checksum decryption on the response message and further performs subsequent logic processing of other functions.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.

Claims (7)

1. The cloud end SDK system of the film sticking card comprises terminal equipment and the film sticking card, and is characterized by also comprising an SDK background system, wherein,
the SDK background system comprises:
a user database management module for managing the mobile phone number of the user and the card number of the film-sticking card;
a key management module for managing session keys; and
the film card cloud SDK background server is connected with the user database management module and the key management module;
the terminal device includes:
the BIP channel management module is used for receiving and transmitting channel management instructions between the BIP protocol and the film card cloud SDK background server;
the BIP data transceiver module is used for transmitting transaction instructions through between the BIP protocol and the film card cloud SDK background server; and
the terminal application calls the film card cloud SDK and interacts information with the film card cloud SDK background server;
the film sticking card comprises:
the event management module is connected with the BIP channel management module and is used for processing channel management instructions; and
the film card data receiving and transmitting module is used for carrying out transaction instruction transparent transmission with the BIP data receiving and transmitting module and exchanging information with the film card application;
the BIP protocol is a stand-alone transport protocol.
2. The cloud SDK system of the film card of claim 1, wherein the terminal device is a mobile phone.
3. The cloud SDK system of the patch card of claim 1, wherein the patch card is shipped from the factory with an ip address and port of the SDK backend system and with a corresponding backend system master key.
4. The cloud SDK system of the patch card of claim 1, wherein, after the terminal application background of the terminal device has been accessed to the eID system, the terminal application background of the terminal device accesses the eID background and the cloud SDK background server of the patch card through the network of IDSP and IDSO, and the terminal device further comprises a SIMeID SDK;
when the terminal application background of the terminal equipment is not connected to the eID system, the terminal application adopts a mode that the film card cloud end SDK directly communicates with the film card cloud end SDK background server, or adopts a mode that the terminal application background communicates with the film card cloud end SDK background server.
5. An operation method based on the cloud end SDK system of claim 4, comprising:
when the terminal application background is accessed into the eID system, the terminal application invokes the SIMeID SDK and interacts with the eID background through the IDSP and IDSO network to complete the corresponding eID function; in the process, when the terminal application judges that interaction with the film sticking card is needed, the terminal application calls the film sticking card cloud end SDK and interacts with a film sticking card cloud end SDK background server through the network of IDSP and IDSO;
when the terminal application background is not connected to the eID system, and the terminal application judges that interaction with the film card is needed, the terminal application calls the film card cloud end SDK and directly interacts with a film card cloud end SDK background server, or the terminal application calls the film card cloud end SDK and indirectly interacts with the film card cloud end SDK background server through the terminal application background.
6. The operation method according to claim 5, wherein the terminal application invokes an interaction process between the film card cloud SDK and the film card cloud SDK background server, comprising: BIP channel binding, session key negotiation and data transparent transmission.
7. The method of operation of claim 6, wherein the BIP channel bonding comprises:
the terminal application initiates a binding operation to a film card cloud SDK background server, and transmits a mobile phone number of a user or a card number of the film card;
the film card cloud SDK background server judges whether the current terminal application background is accessed into an eID system, if so, a user database management module is checked according to the mobile phone number or the card number of the film card, whether the user has an eID function opening is confirmed, if not, error information is returned to the terminal application, and the processing is finished; otherwise, the next step is carried out; when the film card cloud SDK background server judges that the current terminal application background is not connected with the eID system, the user does not need to confirm whether the eID function is opened or not, and the next step is directly carried out;
the film card cloud SDK background server judges whether the mobile phone number or the card number of the film card is sent by the terminal application, if the mobile phone number is the mobile phone number, the corresponding card number of the film card is inquired through the user database management module;
the film card cloud SDK background server checks whether the BIP link of the film card exists through the card number of the film card, if not, error information is returned to the terminal application, and the processing is finished; otherwise, performing a session key negotiation step;
the session key negotiation includes: the film card cloud SDK background server negotiates with the film card to generate a session key, and synchronizes the session key to a terminal application, and the terminal application is successfully bound with the SDK background system and a BIP channel of the film card;
the data transparent transmission comprises:
the terminal application encrypts and MAC calculates a data message to be transmitted to the film sticking card by using the session key;
the terminal application calls the cloud end SDK of the film card, and the encrypted data message with the MAC is transmitted to a background server of the cloud end SDK of the film card through an IDSP and IDSO network or through direct connection or background indirect connection;
the cloud end SDK background server of the film sticking card uses BIP link to transmit the data message to the film sticking card;
the film card data receiving and transmitting module checks whether the data message is correct or not, if the data message is checked to be incorrect, error information is fed back to the film card cloud SDK background server, and the processing is finished; otherwise, continuing the next step;
the film card data receiving and transmitting module distributes the data message to the corresponding film card application to further analyze and process the message;
after the application processing of the film sticking card is finished, returning information to the film sticking card data receiving and transmitting module;
the film card data receiving and transmitting module carries out package processing on data returned by the film card application, encrypts and calculates MAC, and then invokes BIP link to send the data to the film card cloud SDK background server;
the film card cloud SDK background server returns a film card response message to the terminal application;
and the terminal application performs checksum decryption on the response message and processes the response message.
CN202010895318.6A 2020-08-31 2020-08-31 Cloud SDK system of film sticking card and operation method thereof Active CN112105020B (en)

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