CN-116193423-B - Scheme for realizing satellite card by eSIM

Abstract

The application relates to a scheme for realizing a satellite card by using an eSIM (electronic subscriber identity Module) mechanism. The function of cellular and satellite one-card module card can also be realized. The new satellite profile structure and data encryption mode can be used for transmitting satellite software and data to the SIM card by using the profile format and data encryption mode provided by the application, so as to complete remote download management of the satellite SIM card software and data. The method and the device simultaneously support the cellular code number and the satellite code number, reserve the cellular configuration function area of the original profile, and newly add the configuration area of the satellite software and the data, namely, the cellular code number and the satellite code number are configured into a unified profile and downloaded into the SIM card. The profile is downloaded once, so that the SIM card can support the functions of two code numbers of a cellular and a satellite.

Inventors

• GAO LAN
• YAN NAN
• GENG YAN

Assignees

• 芯安微众(上海)微电子技术有限公司

Dates

Publication Date

20260505

Application Date

20230329

Claims (8)

1. 1. The method for packaging the satellite profile structure is characterized in that a mode configuration area is packaged in the satellite profile, and the mode configuration area comprises the following steps: the satellite software area is used for storing satellite software and comprises a satellite network access parameter storage module, a satellite authentication module and a security algorithm module; The satellite data area is used for storing satellite parameters, and the satellite parameters stored in the satellite data area comprise a card number, constellation parameters, an access authentication key and an encryption and decryption key; the satellite software area and the satellite data area are arranged in the mode configuration area in a partitioning mode.
2. 2. The method for encapsulating a satellite profile structure according to claim 1, wherein the satellite software stored in the satellite software area is executable binary code converted from code compilation.
3. 3. The method of claim 1, wherein the satellite parameters stored in the satellite data area are stored in plaintext form.
4. 4. The method of claim 1, wherein the remote download management system for the satellite profile is configured with an encryption and decryption mechanism synchronously when the mode configuration area is encapsulated.
5. 5. The method of claim 4, wherein the encryption and decryption mechanism performs encryption and decryption tasks based on parameters for data decryption and a satellite data decryption module.
6. 6. The method according to claim 5, wherein the satellite data decryption module is deployed in the satellite software area, and the parameters for data decryption are stored in the satellite data area.
7. 7. A remote download management method of a SIM satellite card is characterized in that the method adopts a profile format of the satellite profile structure encapsulation method according to any one of claims 1-3, and satellite software and satellite data are written in.
8. 8. A method for managing remote downloading of a SIM satellite card, wherein the method uses a profile format of the satellite profile structure encapsulation method according to any one of claims 4 to 6, and writes in satellite software including decryption software and decrypted satellite data.

Description

Scheme for realizing satellite card by eSIM Technical Field The disclosure relates to the technical field of satellite communication, in particular to a new structure of a satellite profile, an encryption and decryption structure of the satellite profile, a SIM satellite card, a satellite communication method thereof and electronic equipment. Background ESIM, an Embedded-SIM, referred to herein as eSIM, is a GSMA defined eSIM product technology. As shown in fig. 1 of the drawings, the mechanism principle of the eSIM is schematically shown. The principle of eSIM is that certain basic functions are implemented in the card. And carrying all cellular network access data through a profile format by the code number management platform, and downloading the data into the SIM card. The SIM card analyzes and stores all data in the profile to realize a complete cellular card function. Using this technique, the cellular code number can be downloaded from the platform onto an eSIM empty card. And supports multiple cellular cards. However, at present, only one cellular card can be used at the same time. This is because GSMA defines data storage formats, authentication methods, etc., which are applicable only to network parameters of cellular systems that are already in common use. The method can not support the new addition of other new network algorithms, encryption algorithms and new data storage formats, and the cellular parameters and authentication keys stored in the profile are clear, can only be encrypted on a downloading platform, and can not meet the current service scene requirements. The method comprises the following steps: Such as the cellular profile format shown in fig. 2. In the current eSIM mechanism, only various types of data that are cellular into the network are encapsulated into cellular profile and downloaded into the SIM card. The content transmitted through the profile is only cellular data, and cannot support the upgrading of cellular related processing software, such as cellular authentication algorithm upgrading and encryption algorithm upgrading. This is because the cellular data stored in the profile is plaintext, including the access authentication key, PIN code, network parameters, etc., and the plaintext data of the profile can only be encrypted on the code number download platform. For a virtual operator who has code data but uses a third party downloading platform, in order to download the code into the SIM, the code and other parameter plaintext is provided for the third party downloading platform, and the risk of revealing the data storage by the third party is very unsafe. Disclosure of Invention In order to solve the problems, the application provides a new structure of a satellite profile, an encryption and decryption structure of the satellite profile, a SIM satellite card, a satellite communication method thereof and electronic equipment. In one aspect of the present application, a new structure of a satellite profile is provided, including a mode configuration area encapsulated in the satellite profile, where the mode configuration area includes: the satellite software area is used for storing satellite software; The satellite data area is used for storing satellite parameters; the satellite software area and the satellite data area are arranged in the mode configuration area in a partitioning mode. As an alternative embodiment of the present application, preferably, the satellite software stored in the satellite software area is executable binary code converted from code compilation. As an alternative embodiment of the present application, preferably, the satellite software area includes the following functional modules: the system comprises a satellite network access parameter storage module, a satellite authentication module and a security algorithm module. As an alternative embodiment of the present application, preferably, the satellite parameters stored in the satellite data area include: card number, constellation parameter, network access authentication key and encryption and decryption key. As an alternative embodiment of the present application, preferably, the satellite parameters stored in the satellite data area are stored in a clear text form. In another aspect of the present application, a satellite profile encryption and decryption structure is provided, including: The new structure of the satellite profile; And the new structure of the satellite profile is synchronously configured with an encryption and decryption mechanism when the mode configuration area is packaged. As an optional implementation manner of the present application, preferably, when the encryption and decryption mechanism performs the encryption and decryption task, the encryption and decryption mechanism is implemented based on parameters for data decryption and a satellite data decryption module; As an alternative embodiment of the present application, preferably, the satellite data decryption