CN113810898A - Number writing system, method and device integrated with SIM card chip - Google Patents
Number writing system, method and device integrated with SIM card chip Download PDFInfo
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- CN113810898A CN113810898A CN202110919709.1A CN202110919709A CN113810898A CN 113810898 A CN113810898 A CN 113810898A CN 202110919709 A CN202110919709 A CN 202110919709A CN 113810898 A CN113810898 A CN 113810898A
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- 230000006854 communication Effects 0.000 claims abstract description 39
- 238000012795 verification Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000006870 function Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/069—Authentication using certificates or pre-shared keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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Abstract
The invention discloses a number writing system, method and device integrated with a SIM card chip, and relates to the technical field of communication. The number writing system integrated with the SIM card chip comprises a user terminal and an SIM card management end; the user terminal is provided with a communication interface which is communicated with the chip and is used for acquiring the electronic identification number of the chip through the communication interface and sending the electronic identification number to the SIM card management end; the SIM card management end is used for receiving the electronic identification number, verifying the chip according to the electronic identification number, and returning SIM card data to the user terminal when the chip passes the verification; and the user terminal is also used for receiving the SIM card data from the SIM card management end and writing the SIM card data into the chip through the communication interface. According to the method and the device, the chip is not required to be configured with the temporary seed number, the chip can be remotely written with the help of the communication function of the user terminal, the number writing process is simplified, and the number writing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a number writing system, a number writing method and a number writing device integrated with an SIM card chip.
Background
Currently, mainstream SIM cards include traditional plug cards and eSIM cards, wherein the eSIM card has a smaller volume, is more suitable for complex application scenarios such as moisture, high temperature, corrosion, vibration, and the like, and has been rapidly developed in the internet of things industry. However, the eSIM card is an entity card, and there are problems in the application process:
1. the life of the terminal of the internet of things is limited by the life of the card entity. Although the performance of the eSIM card is greatly improved, in a more complicated application scenario, the entity card is discarded once the terminal is damaged.
2. The cost is high. The eSIM card is a solid card and is embedded in the terminal of the Internet of things to participate in the production of the paster of the terminal of the Internet of things, card manufacturers need to manage card stock, the production period is long, and the cost is high.
3. The internet of things terminal is mostly dumb terminal generally, does not possess communication capabilities such as bluetooth, wiFi, generally adopts preset seed number in the eSIM card, adopts the mode of presetting seed number to realize long-range writing number, consequently, the business flow of writing number is complicated.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present invention provides a number writing system, method and device integrated with a SIM card chip, which can simplify the number writing process and improve the number writing efficiency.
In a first aspect, an embodiment of the present invention provides a number writing system integrated with an SIM card chip, including a user terminal and an SIM card management end;
the user terminal is provided with a communication interface communicated with the chip and used for acquiring the electronic identification number of the chip through the communication interface and sending the electronic identification number to the SIM card management end;
the SIM card management end is used for receiving the electronic identification number, verifying the chip according to the electronic identification number, and returning SIM card data to the user terminal when the chip passes the verification;
and the user terminal is also used for receiving the SIM card data from the SIM card management end and writing the SIM card data into the chip through the communication interface.
In some embodiments, the number writing system integrated with the SIM card chip further comprises a SIM card making end;
the SIM card manufacturing end is used for generating card manufacturing data and sending the card manufacturing data, wherein the card manufacturing data comprises network access authentication data;
and the SIM card management end is used for acquiring the card making data and storing the card making data in a database.
In some embodiments, the SIM card managing terminal is further configured to establish a data resource pool in the database.
In some embodiments, the user terminal is further configured to obtain customer identity information and send the customer identity information to the SIM card management terminal;
and the SIM card management end is also used for opening a corresponding SIM downloading interface according to the customer identity information.
In some embodiments, the SIM card manufacturing end is further configured to encrypt the card manufacturing data by using an encryption algorithm to obtain a data transmission packet, and send the data transmission packet;
the SIM card management end is further used for receiving the data transmission packet, and decoding the data transmission packet by using the secret key of the encryption algorithm to obtain the card making data, wherein the secret key of the encryption algorithm is stored in the SIM card management end.
In some embodiments, the SIM card management terminal communicates with the user terminal using an internet security protocol, performs bidirectional authentication with the chip according to the electronic identification number and the card making data, and returns SIM card data to the user terminal when the chip completes bidirectional authentication verification.
In some embodiments, the SIM card management terminal is further configured to return a CA certificate of the chip to the user terminal when the chip completes bidirectional authentication verification.
In some embodiments, the chip is embedded in an internet of things device, the communication interface is a USB interface, and the user terminal is connected to the internet of things device through the USB interface.
In a second aspect, an embodiment of the present invention further provides a number writing method integrated with a SIM card chip, and is applied to the user terminal in the first aspect;
the number writing method integrated with the SIM card chip comprises the following steps:
acquiring the electronic identification number of the chip through the communication interface;
uploading the electronic identification number to the SIM card management terminal for identity verification to obtain SIM card data;
and writing the SIM card data into the chip through the communication interface.
In a third aspect, an embodiment of the present invention further provides a number writing device integrated with a SIM card chip, including:
at least one processor;
at least one memory for storing at least one program;
when at least one of the programs is executed by at least one of the processors, the at least one of the processors implements the number writing method integrated with the SIM card chip as described in the first aspect.
The technical scheme of the invention at least has one of the following advantages or beneficial effects: the chip is connected with the user terminal through the communication interface, the user terminal obtains an electronic identification number of the chip, the chip is verified between the SIM card management end and the user terminal according to the electronic identification number, and when the chip passes the verification, the SIM card management end returns SIM card data to the user terminal, so that the user terminal writes the SIM card data into the chip. The integrated SIM card chip number writing system does not need the temporary seed number of chip configuration, can remotely write the number to the chip by means of the communication function of the user terminal, simplifies the number writing process and improves the number writing efficiency.
Drawings
Fig. 1 is a schematic diagram of a number writing system integrated with a SIM card chip according to an embodiment of the present invention;
fig. 2 is a flowchart of a number writing method integrated with a SIM card chip according to an embodiment of the present invention.
Detailed Description
The embodiments described in the embodiments of the present application should not be construed as limiting the present application, and all other embodiments that can be obtained by a person skilled in the art without making any inventive step shall fall within the scope of protection of the present application.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
Before further detailed description of the embodiments of the present application, terms and expressions referred to in the embodiments of the present application will be described, and the terms and expressions referred to in the embodiments of the present application will be used for the following explanation.
ICCID: the integrated circuit card identification number (SIM card number) is equivalent to the identification card of the mobile phone number. The ICCID is a unique identification number of the IC card, and is composed of 20-bit characters, and the coding format is as follows: XXXXXXX 0MFSS YYGXXXXXX.
IMSI: the (IMSI, International Mobile Subscriber Identity) is an Identity that is used to distinguish between different subscribers in a cellular network and is not repeated in all cellular networks. The handset sends the IMSI to the network in a 64-bit field. The IMSI may be used to query a Home Location Register (HLR) or Visitor Location Register (VLR) for subscriber information.
Ki code: key identifier is a secret Key for encrypted data transmission between the SIM card and the operator. The encryption mode of GSM is a digital encryption operation called comp-128, when the system is verified, Ki and IMSI are used at the same time, a series of system security authentication messages are passed to generate random variables, the encryption operation is carried out by using A3 algorithm to compare with the mobile phone memory data, and when the identity is confirmed to be correct, the network access is permitted. The length of Ki used by GSM is 16bytes, which is equivalent to 128bits, if the Ki is not read by a special decoding program, the user can not read the Ki, the security is extremely high, and the user does not need to worry about the possibility of stolen calling.
IPsec: internet Protocol Security is a Protocol packet that protects the network transport Protocol suite (a collection of interrelated protocols) of the IP Protocol by encrypting and authenticating packets of the IP Protocol.
And (3) CA certificate: the CA certificate is a certificate issued by the CA. A CA certificate, i.e., a digital certificate, contains identity information of the owner of the certificate, the signature of the CA authority, a public key, and a private key. The identity information is used for proving the identity of the certificate holder; the CA signature is used for ensuring the authenticity of the identity; the public key and the private key are used for encryption and decryption in the communication process, so that the safety of communication information is ensured.
The embodiment of the invention provides a number writing system integrated with an SIM card chip, which comprises a user terminal and an SIM card management terminal with reference to figure 1. The user terminal is provided with a communication interface for communicating with the chip and is used for acquiring the electronic identification number of the chip through the communication interface and sending the electronic identification number to the SIM card management end. The SIM card management end is used for receiving the electronic identification number, verifying the chip according to the electronic identification number, and returning SIM card data to the user terminal when the chip passes the verification. The user terminal is also used for receiving the SIM card data from the SIM card management end and writing the SIM card data into the chip through the communication interface.
Specifically, the user terminal can be a computer, the chip is embedded into the internet of things device, and the internet of things device is connected to a USB interface of the computer, so that the computer reads an eID code of the chip, namely, the electronic identification code. And the user inputs an account number and a password on the computer and logs in the SIM card management end, so that the communication connection between the computer and the SIM card management end is completed. The computer can be connected to the SIM card management end by adopting IPsec so as to improve the security of the number writing process.
And the SIM card management end verifies the chip according to the electronic identification number, returns the SIM card data to the user terminal when the chip passes the verification, and registers the SIM card data and the electronic identification number of the chip in the SIM card management end. And after receiving the SIM card data, the user terminal writes the SIM card data into the chip through the USB interface. And when the chip fails to pass the verification, SIM card data is returned to the user terminal, and verification failure information is returned to the computer to remind the user terminal to reinitiate the number writing application.
It should be noted that one user terminal may have multiple communication interfaces, read the electronic identification numbers of multiple chips, and complete the verification of multiple chips on line, thereby realizing batch remote number writing and improving the number writing efficiency.
It should be noted that, if the chip is embedded in the internet of things device with the bluetooth function, the communication interface of the user terminal may also be a bluetooth communication interface. If the chip is embedded in the internet of things device capable of transmitting radio frequency signals, the communication interface of the user terminal can also be an NFC communication interface.
In some embodiments, the number writing system integrated with the SIM card chip further comprises a SIM card making end. And the SIM card manufacturing end is used for generating card manufacturing data and sending the card manufacturing data, wherein the card manufacturing data comprises network access authentication data. And the SIM card management end is used for acquiring card making data and storing the card making data into a database.
Specifically, the SIM card manufacturing end is configured to generate card manufacturing data in batch, where the card manufacturing data includes ICCID, IMSI, Ki, OPC, and the like used for network access authentication data. And the SIM card manufacturing end sends the card manufacturing data to a database of the SIM card management end for storage. When the user terminal initiates a number writing application, the SIM card management terminal can directly acquire the network access authentication data in the database so as to verify the chip.
In some embodiments, the SIM card manager is further configured to establish a data resource pool in the database. Specifically, after receiving the card making data, the SIM card management terminal stores the card making data by adopting a custom template. And then establishing a data resource pool in the database, wherein the data resource pool is used for carrying out full life cycle management on the received data such as the electronic identification number, the ICCID and the like, and the data resource pool is also used for distinguishing data resources of different customers.
In some embodiments, the user terminal is further configured to obtain the subscriber identity information and send the subscriber identity information to the SIM card manager. The SIM card management end is also used for opening a corresponding SIM downloading interface according to the customer identity information. Specifically, a data resource pool is established by each client, data of each client is distinguished, and a corresponding SIM downloading interface is opened according to the identity information of the accessed client, so that the remote number writing requirement of multiple clients is met.
In some embodiments, the SIM card manufacturing end is further configured to encrypt the card manufacturing data by using an encryption algorithm to obtain a data transmission packet, and send the data transmission packet. The SIM card management end is also used for receiving the data transmission packet, and decoding the data transmission packet by adopting the secret key of the encryption algorithm to obtain card making data, wherein the secret key of the encryption algorithm is stored in the SIM card management end.
Specifically, in order to improve the data transmission security between the SIM card manufacturing end and the SIM card managing end, the card manufacturing data may be encrypted by using a symmetric encryption algorithm, and the SIM card managing end and the SIM card manufacturing end negotiate 32 sets of encryption keys in advance, where the keys are preset in the SIM card manufacturing end and the SIM card managing end. And the SIM card manufacturing end encrypts the card manufacturing data according to the secret key to obtain a data transmission packet, and the data transmission packet is sent to the SIM card management end through the CN2 network. And the SIM card management end decrypts the data transmission packet by adopting the same secret key to obtain card making data.
In some embodiments, the SIM card managing terminal communicates with the user terminal using an internet security protocol, performs bidirectional authentication with the chip according to the electronic identification number and the card making data, and returns the SIM card data to the user terminal when the chip completes the bidirectional authentication verification.
In some embodiments, the SIM card management terminal is further configured to return a CA certificate of the chip to the user terminal when the chip completes bidirectional authentication verification.
Specifically, the SIM card management end comprises a physical encryption machine and a CA certificate server, wherein the physical encryption machine is deployed in a cloud resource pool machine room and is connected with a cloud host through a private network, so that the safety of data encryption storage and encryption transmission is ensured. The CA certificate server can realize the online issue of the Internet of things terminal CA certificate embedded with the chip. The chip realizes remote number writing through the user terminal, and SIM card data is invisible in the whole process, so that the data security is improved. And the user terminal is connected with the SIM card management end through IPsec to complete the online downloading of the CA certificate, the data downloading of the SIM card, the installation and the activation.
In some embodiments, the chip of the embodiment of the present application adopts a communication chip capable of passing EAL4+ security authentication, and the SIM card application is stored in a secure area dedicated to the communication chip, runs in a secure kernel or a secure area, and has a remote number writing capability. The serial port of a communication chip is reserved in the hardware of the Internet of things equipment, the Internet of things equipment is interconnected with a production line computer through a USB serial port, and the SIM card data downloading is realized by means of the communication capacity of the production line computer. The same Internet of things equipment supports multiple downloads, and one computer simultaneously supports the number writing operation of a plurality of Internet of things equipment. In addition, under a normal condition, the cost of the chip is controlled by the internet of things device, the storage resource of the chip is generally tense, and the SIM card application adopts a lightweight SIM card application, namely, the SIM card application only keeps the functions of network access authentication and remote number writing. The application of the lightweight SIM card can be transplanted to a security core or a security area of a communication chip, and the universality is strong.
The embodiment of the invention also provides a number writing method integrated with the SIM card chip, and referring to FIG. 2, the number writing method integrated with the SIM card chip is applied to the user terminal of the embodiment. The number writing method integrated with the SIM card chip includes, but is not limited to, step S210, step S220, and step S230.
Step S210, the electronic identification number of the chip is obtained through the communication interface.
Step S220, the electronic identification number is uploaded to the SIM card management terminal for identity verification to obtain SIM card data.
And step S230, writing the SIM card data into the chip through the communication interface.
In a third aspect, an embodiment of the present invention further provides a number writing device integrated with a SIM card chip, including:
at least one processor;
at least one memory for storing at least one program;
when at least one program is executed by at least one processor, at least one processor is enabled to realize the number writing method integrated with the SIM card chip of the above embodiment.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (10)
1. A number writing system integrated with an SIM card chip is characterized by comprising a user terminal and an SIM card management end;
the user terminal is provided with a communication interface communicated with the chip and used for acquiring the electronic identification number of the chip through the communication interface and sending the electronic identification number to the SIM card management end;
the SIM card management end is used for receiving the electronic identification number, verifying the chip according to the electronic identification number, and returning SIM card data to the user terminal when the chip passes the verification;
and the user terminal is also used for receiving the SIM card data from the SIM card management end and writing the SIM card data into the chip through the communication interface.
2. The SIM card chip integrated numbering system according to claim 1, further comprising a SIM card making terminal;
the SIM card manufacturing end is used for generating card manufacturing data and sending the card manufacturing data, wherein the card manufacturing data comprises network access authentication data;
and the SIM card management end is used for acquiring the card making data and storing the card making data in a database.
3. The SIM card chip integrated number writing system of claim 2, wherein the SIM card management terminal is further configured to suggest a data resource pool in the database.
4. The number writing system integrated with the SIM card chip according to claim 3, wherein the user terminal is further configured to obtain customer identity information and send the customer identity information to the SIM card management terminal;
and the SIM card management end is also used for opening a corresponding SIM downloading interface according to the customer identity information.
5. The number writing system integrated with the SIM card chip according to claim 2, wherein the SIM card manufacturing end is further configured to encrypt the card manufacturing data by using an encryption algorithm to obtain a data transmission packet, and send the data transmission packet;
the SIM card management end is further used for receiving the data transmission packet, and decoding the data transmission packet by using the secret key of the encryption algorithm to obtain the card making data, wherein the secret key of the encryption algorithm is stored in the SIM card management end.
6. The number writing system integrated with the SIM card chip of claim 4, wherein the SIM card managing terminal communicates with the user terminal using an internet security protocol, the SIM card managing terminal performs bidirectional authentication with the chip according to the electronic identification number and the card manufacturing data, and returns SIM card data to the user terminal when the chip completes bidirectional authentication verification.
7. The number writing system of claim 6, wherein the SIM card management terminal is further configured to return a CA certificate of the chip to the user terminal when the chip completes the bidirectional authentication verification.
8. The number writing system integrated with the SIM card chip as claimed in claim 1, wherein the chip is embedded in an internet of things device, the communication interface is a USB interface, and the user terminal is connected to the internet of things device through the USB interface.
9. A number writing method integrated with a SIM card chip, characterized by being applied to the user terminal of claim 1;
the number writing method integrated with the SIM card chip comprises the following steps:
acquiring the electronic identification number of the chip through the communication interface;
uploading the electronic identification number to the SIM card management terminal for identity verification to obtain SIM card data;
and writing the SIM card data into the chip through the communication interface.
10. A number writing device integrated with a SIM card chip is characterized by comprising:
at least one processor;
at least one memory for storing at least one program;
when at least one of the programs is executed by at least one of the processors, the at least one of the processors implements the number writing method integrated with a SIM card chip according to claim 9.
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| CN202110919709.1A CN113810898B (en) | 2021-08-11 | 2021-08-11 | Number writing system, method and device integrated with SIM card chip |
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| CN202110919709.1A CN113810898B (en) | 2021-08-11 | 2021-08-11 | Number writing system, method and device integrated with SIM card chip |
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