CN113810898B - 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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- CN113810898B CN113810898B CN202110919709.1A CN202110919709A CN113810898B CN 113810898 B CN113810898 B CN 113810898B CN 202110919709 A CN202110919709 A CN 202110919709A CN 113810898 B CN113810898 B CN 113810898B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006854 communication Effects 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000012795 verification Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 230000006870 function Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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Classifications
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
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 system for writing the number 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 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 code, 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. The method and the device do not need the chip to configure the temporary seed number, and can remotely write the number to the chip by means of the communication function of the user terminal, so that the number writing flow is simplified, and the number writing efficiency is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a number writing system, method, and apparatus integrated with a SIM card chip.
Background
The current mainstream SIM card comprises a traditional plug card and an eSIM card, wherein the eSIM card has smaller volume, is more suitable for complex application scenes such as humidity, high temperature, corrosion, vibration and the like, and is rapidly developed in the industry of the Internet of things. However, the eSIM card is an entity card, and problems exist in the application process:
1. the lifetime of the internet of things terminal is limited by the lifetime of the card entity. Although the performance of the eSIM card is greatly improved, in more complex application scenarios, the physical card is scrapped once the terminal is damaged.
2. The cost is high. The eSIM card is an entity card which is embedded in the terminal of the Internet of things to participate in the patch production of the terminal of the Internet of things, and card manufacturers need to manage card stock, so that the production period is long and the cost is high.
3. The internet of things terminal is usually a dumb terminal, does not have communication capabilities such as Bluetooth and WiFi, and is generally provided with a seed number in an eSIM card, and remote number writing is realized by adopting a mode of presetting the seed number, so that the number writing business process is complex.
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 a SIM card chip, including a user terminal and a SIM card management end;
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 code, 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.
In some embodiments, the number writing system integrated with the SIM card chip further includes a SIM card manufacturing 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;
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 side is further configured to establish a data resource pool in the database.
In some embodiments, the user terminal is further configured to obtain client identity information and send the client identity information to the SIM card management end;
the SIM card management end is also used for opening a corresponding SIM download interface according to the client identity information.
In some embodiments, the SIM card manufacturing side 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 the card manufacturing data, wherein the SIM card management end stores the secret key of the encryption algorithm.
In some embodiments, the SIM card management end communicates with the user terminal using an internet security protocol, and the SIM card management end performs bidirectional identity 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 the bidirectional identity authentication verification.
In some embodiments, the SIM card managing end is further configured to return the 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, which is applied to the user terminal in the first aspect;
the number writing method integrated with the SIM card chip comprises the following steps of:
acquiring an electronic identification number of the chip through the communication interface;
uploading the electronic identification number to the SIM card management end 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;
at least one of the programs, when executed by at least one of the processors, causes the at least one of the processors to implement the method for writing numbers integrated with a SIM card chip as described in the first aspect above.
The technical scheme of the invention has at least one of the following advantages or beneficial effects: the chip is connected with the user terminal through the communication interface, the user terminal obtains the electronic identification number of the chip, verification of the chip is achieved 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 SIM card chip number writing system integrated with the SIM card does not need to configure temporary seed numbers on the chip, and can remotely write numbers on the chip by means of the communication function of the user terminal, so that the number writing process is simplified, and the number writing efficiency is improved.
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 present application should not be construed as limitations on the present application, but rather as many other embodiments as possible without inventive faculty to those skilled in the art, are intended to be within the scope 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 to be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with one another 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 present application.
Before further describing embodiments of the present application in detail, the terms and expressions that are referred to in the embodiments of the present application are described, and are suitable for the following explanation.
ICCID: (Integrate circuit card identity) the integrated circuit card identification number, i.e. the SIM card number, corresponds to the identity card of the mobile phone number. ICCID is a unique identification number of an IC card, and is composed of 20 bits of characters, and the coding format is as follows: XXXX 0MFSS YYGXX XXXXXX.
IMSI: (IMSI, international Mobile Subscriber Identity) international mobile subscriber identity, is an identity that is not repeated in all cellular networks for distinguishing between different subscribers in the cellular network. The handset sends the IMSI to the network in a 64-bit field. The IMSI can be used to query the home location register (HLR, home Location Register) or visitor location register (VLR, visitor Location Register) for subscriber information.
Ki code: key identifier is a Key for encrypting data transfer 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 simultaneously, a random variable is generated after a series of system safety authentication messages, the encryption operation is compared with the memory data of the mobile phone by using an A3 algorithm, and the network access is permitted after the identity is confirmed to be correct. The Ki length used in GSM is 16bytes, which is equivalent to 128bits, and the Ki cannot be read by a user without special decoding program, so that the security is extremely high, and the user does not need to worry about the worry of fraudulent calling.
IPsec: (Internet Protocol Security), which is a protocol packet, protects the network transport protocol family (a collection of interrelated protocols) of the IP protocol by encrypting and authenticating packets of the IP protocol.
CA certificate: the CA certificate is a certificate issued by the CA. The CA certificate, i.e. the digital certificate, contains the identity information of the certificate owner, the signature of the CA authority, the public and private keys. The identity information is used for proving the identity of the certificate holder; the CA signature is used for guaranteeing 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 a SIM card chip, and referring to FIG. 1, the number writing system comprises a user terminal and a SIM card management end. 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 may be a computer, and the chip is embedded in the internet of things device, where the internet of things device is connected to a USB interface of the computer, so that the computer reads the eID code of the chip, that is, the electronic identification code. The user inputs account number and password on the computer and logs in the SIM card management end, thereby completing the communication connection between the computer and the SIM card management end. 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 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. 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, returning SIM card data to the user terminal, and returning verification failure information to the computer so as to remind the user terminal to reinitiate the number writing application.
It should be noted that one user terminal may be provided with a plurality of communication interfaces, and read the electronic identification numbers of a plurality of chips at the same time, and complete verification on the plurality of chips online, so as to implement batch remote number writing and improve number writing efficiency.
It should be noted that, if the chip is embedded in the internet of things device having 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 includes a SIM card manufacturing 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. The SIM card management end is used for acquiring card making data and storing the card making data into the database.
Specifically, the SIM card manufacturing end is configured to generate card manufacturing data in batches, where the card manufacturing data includes ICCID, IMSI, ki, OPC and other authentication data for network access. The SIM card making end sends the card making 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 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 pool of data resources 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, a data resource pool is established 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 the data resources of different clients.
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 managing end. The SIM card management end is also used for opening a corresponding SIM download interface according to the client identity information. Specifically, a data resource pool is established by the clients, the client data are distinguished, and corresponding SIM download interfaces are opened according to the identity information of the accessed clients, so that the remote number writing requirements of multiple clients are met.
In some embodiments, the SIM card manufacturing side 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 SIM card management end stores the secret key of the encryption algorithm.
Specifically, in order to improve the security of data transmission between the SIM card manufacturing end and the SIM card management end, a symmetric encryption algorithm may be used to encrypt the card manufacturing data, where the SIM card management end and the SIM card manufacturing end negotiate 32 sets of encryption keys in advance, and the keys are preset in the SIM card manufacturing end and the SIM card management end. The SIM card making end encrypts the card making 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 management end communicates with the user terminal using an internet security protocol, and performs bidirectional identity 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 the bidirectional identity authentication verification.
In some embodiments, the SIM card managing end is further configured to return the 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 to ensure the safety of data encryption storage and encryption transmission. The CA certificate server can realize the online issuing of the CA certificate of the terminal of the internet of things embedded with the chip. The chip realizes remote number writing through the user terminal, the whole process of the SIM card data is invisible, and the safety of the data is improved. The user terminal is connected with the SIM card management end through IPsec to complete CA certificate on-line downloading, SIM card data downloading, installing and activating.
In some embodiments, the chip of the embodiments of the present application adopts a communication chip that can pass EAL4+ security authentication, and the SIM card application is stored in a security area dedicated to the communication chip, and runs in a security core or a security area, and has remote number writing capability. The hardware of the Internet of things equipment reserves a communication chip serial port, is interconnected with a production line computer through the USB serial port, and realizes SIM card data downloading by means of the communication capability of the production line computer. The same Internet of things equipment supports multiple downloads, and one computer supports the number writing operation of multiple Internet of things equipment. In addition, in general, the cost of the internet of things device on the chip is controlled, 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 lightweight SIM card application can be transplanted in a security core or a security area of a communication chip, and has strong universality.
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 end for identity verification to obtain the SIM card data.
Step S230, the SIM card data is written 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 method for writing numbers integrated with the SIM card chip of the above embodiment.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (6)
1. The number writing system integrated with the 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 for communicating with the chip, and is used for acquiring the electronic identification code of the chip through the communication interface and sending the electronic identification code to the SIM card management end;
the SIM card management end is used for receiving the electronic identification code, verifying the chip according to the electronic identification code, 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;
the number writing system integrated with the SIM card chip further comprises an SIM card manufacturing end;
the SIM card manufacturing end is used for generating card manufacturing data and sending the card manufacturing data; the card making data comprise network access authentication data, and the network access authentication data are used for verifying the chip;
the SIM card manufacturing end is also used for encrypting the card manufacturing data by adopting an encryption algorithm to obtain a data transmission packet and sending the data transmission packet;
the SIM card management end is also used for receiving the data transmission packet, decoding the data transmission packet by adopting a secret key of the encryption algorithm to obtain card making data, and storing the card making data in a database, wherein the encryption algorithm is a symmetric encryption algorithm, the SIM card management end stores the secret key of the encryption algorithm, and the SIM card management end and the SIM card making end adopt the same secret key;
the SIM card management end performs bidirectional identity authentication with the chip according to the electronic identification code and the card making data, and returns SIM card data to the user terminal when the chip completes the bidirectional identity authentication verification;
the SIM card management end also comprises a physical encryption machine and a CA certificate server, wherein the physical encryption machine is used for storing data of the SIM card management end, and the CA certificate server is used for issuing a CA certificate to a chip of the user terminal;
the SIM card management end is also used for establishing a data resource pool in the database, and the data resource pool is used for distinguishing card making data of different clients; the user terminal is also used for acquiring the identity information of the client and sending the identity information to the SIM card management end;
the SIM card management end is also used for opening a corresponding SIM download interface according to the client identity information.
2. The SIM card chip integrated number writing system of claim 1, wherein the SIM card managing terminal communicates with the user terminal using an internet security protocol.
3. The SIM card chip integrated number writing system of claim 1, wherein the SIM card managing terminal is further configured to return the CA certificate of the chip to the user terminal when the chip completes bidirectional authentication verification.
4. The system of 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.
5. A method for writing numbers integrated with a SIM card chip, which is characterized by being applied to the user terminal of the system for writing numbers integrated with a SIM card chip as set forth in claim 1;
the number writing method integrated with the SIM card chip comprises the following steps of:
acquiring an electronic identification code of the chip through the communication interface;
uploading the electronic identification code to the SIM card management end so that the SIM card management end performs bidirectional identity verification according to the electronic identification code and card manufacturing data to obtain SIM card data;
acquiring customer identity information and sending the customer identity information to the SIM card management end so that the SIM card management end opens a corresponding SIM download interface according to the customer identity information, wherein the SIM download interface is used for acquiring card making data of different customers;
and writing the SIM card data into the chip through the communication interface.
6. A number writing device integrated with a SIM card chip, comprising:
at least one processor;
at least one memory for storing at least one program;
at least one of the programs, when executed by at least one of the processors, causes the at least one of the processors to implement the method for writing a number integrated with a SIM card chip as claimed in claim 5.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN113810898A CN113810898A (en) | 2021-12-17 |
| CN113810898B true CN113810898B (en) | 2024-03-12 |
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