CN116233225A - Position information determining method, device, server and storage medium - Google Patents

Position information determining method, device, server and storage medium Download PDF

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Publication number
CN116233225A
CN116233225A CN202211684677.2A CN202211684677A CN116233225A CN 116233225 A CN116233225 A CN 116233225A CN 202211684677 A CN202211684677 A CN 202211684677A CN 116233225 A CN116233225 A CN 116233225A
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China
Prior art keywords
node
user account
private key
information
target service
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CN202211684677.2A
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Chinese (zh)
Inventor
李朝霞
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China United Network Communications Group Co Ltd
Unicom Digital Technology Co Ltd
Unicom Cloud Data Co Ltd
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China United Network Communications Group Co Ltd
Unicom Digital Technology Co Ltd
Unicom Cloud Data Co Ltd
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Priority to CN202211684677.2A priority Critical patent/CN116233225A/en
Publication of CN116233225A publication Critical patent/CN116233225A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention provides a method, a device, a server and a storage medium for determining position information, which relate to the technical field of Internet, and the method comprises the following steps: acquiring a position determination request; encrypting the account identifier of the user account based on the second public key, generating first encrypted information, and broadcasting the first encrypted information to at least one node; receiving second encryption information sent by the second node, and decrypting the second encryption information based on the first private key to obtain service data when the user account performs target service in M time intervals; determining effective position information based on a plurality of moments and the address of the target service performed by the user account at each moment; in the case that the location information of the MDN in the M time intervals includes the valid location information, the location information of the MDN in the M time intervals is determined as the location information of the user account.

Description

Position information determining method, device, server and storage medium
Technical Field
The present invention relates to the field of internet technologies, and in particular, to a method, an apparatus, a server, and a storage medium for determining location information.
Background
Currently, a server may acquire location information of a terminal and then determine the location information of the terminal as location information of a user who uses the terminal.
However, in the above method, since one terminal may be used by a plurality of users or one user may use a plurality of terminals, a manner in which the server determines the location information of one terminal as the location information of the user using the terminal may be inaccurate, and the location information of the user may not be effectively determined.
Disclosure of Invention
The invention provides a method, a device, a server and a storage medium for determining position information, which solve the technical problems that the mode of determining the position information of a certain terminal as the position information of a user using the terminal by the server in the related technology may be inaccurate and the position information of the user may not be effectively determined.
In a first aspect, the present invention provides a location information determining method, including: obtaining a position determination request, wherein the position determination request comprises an account identifier of a user account, a mobile user directory number MDN corresponding to the user account and position information of the MDN in M time intervals, and the position determination request is used for requesting to determine the position information of the user account, and M is an integer greater than or equal to 1; encrypting the account identifier of the user account based on a second public key, generating first encrypted information, and broadcasting the first encrypted information to at least one node, wherein the second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to the same blockchain; receiving second encryption information sent by the second node, and decrypting the second encryption information based on a first private key to obtain service data when the user account performs a target service in the M time intervals, wherein the service data comprises a plurality of moments and addresses of the user account performing the target service at each moment in the plurality of moments, the target service is used for verifying the identity of the user account, and the first private key is a private key included in the first node; determining effective position information based on the plurality of moments and the address of the target service performed by the user account at each moment; and determining the position information of the MDN in the M time intervals as the position information of the user account under the condition that the position information of the MDN in the M time intervals comprises the effective position information.
Optionally, the plurality of time instants includes a first time instant, and determining the valid location information based on the plurality of time instants and the address of the target service performed by the user account at each time instant specifically includes: determining network equipment corresponding to the first moment and a first address, wherein the first address is an address of the user account for performing the target service at the first moment, and the network equipment is used for providing service for a terminal corresponding to the user account; determining that the valid location information includes location information of the network device.
Optionally, the above location information determining method further includes: generating a first digest based on the first encrypted information; encrypting the first abstract based on the first private key to generate a first private key signature; the first private key signature is broadcast to the at least one node.
Optionally, the above location information determining method further includes: receiving a second private key signature sent by the second node; decrypting the second private key signature based on the second public key to obtain a third abstract; and generating a fourth digest based on the second encrypted information; the decrypting process is performed on the second encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals, specifically including: and under the condition that the fourth abstract is the same as the third abstract, decrypting the second encrypted information based on the first private key to obtain service data when the user account performs target service in M time intervals.
In a second aspect, the present invention provides a location information determining method, including: receiving first encryption information sent by a first node, and decrypting the first encryption information based on a second private key to obtain an account identifier of a user account, wherein the second private key is a private key included in the second node; determining service data of the user account when performing a target service in M time intervals based on the account identification of the user account, wherein the service data comprises a plurality of moments and an address of the user account for performing the target service at each moment in the plurality of moments, the target service is used for verifying the identity of the user account, and M is an integer greater than or equal to 1; and encrypting service data of the user account when the user account performs target service in M time intervals based on the first public key, generating second encryption information, and broadcasting the second encryption information to the first node and other nodes, wherein the other nodes are nodes except the second node in at least one node, and the first node and the at least one node belong to the same blockchain.
Optionally, the above location information determining method further includes: receiving a first private key signature sent by the first node; decrypting the first private key signature based on the first public key to obtain a first abstract; and generating a second digest based on the first encrypted information; the decrypting processing is performed on the first encrypted information based on the second private key to obtain the account identifier of the user account, and the method specifically comprises the following steps: and under the condition that the second abstract is the same as the first abstract, decrypting the first encrypted information based on the second private key to obtain the account identifier of the user account.
Optionally, the above location information determining method further includes: generating a third digest based on the second encrypted information; encrypting the third abstract based on the second private key to generate a second private key signature; broadcasting the second private key signature to the first node and the other nodes.
In a third aspect, the present invention provides a position information determining apparatus, comprising: the device comprises an acquisition module, a processing module, a receiving module and a determining module; the acquisition module is used for acquiring a position determination request, wherein the position determination request comprises an account identifier of a user account, an MDN corresponding to the user account and position information of the MDN in M time intervals, the position determination request is used for requesting to determine the position information of the user account, and M is an integer greater than or equal to 1; the processing module is used for carrying out encryption processing on account identification of the user account based on a second public key, generating first encryption information and broadcasting the first encryption information to at least one node, wherein the second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to the same blockchain; the receiving module is configured to receive second encrypted information sent by the second node, and decrypt the second encrypted information based on a first private key, so as to obtain service data when the user account performs a target service in the M time intervals, where the service data includes multiple times and an address of the user account performing the target service at each of the multiple times, the target service is used to verify an identity of the user account, and the first private key is a private key included in the first node; the determining module is used for determining effective position information based on the plurality of moments and the address of the target service performed by the user account at each moment; the determining module is further configured to determine, as the location information of the user account, the location information of the MDN in the M time intervals if the location information of the MDN in the M time intervals includes the valid location information.
Optionally, the plurality of time instants includes a first time instant, and the determining module is specifically configured to determine a network device corresponding to both the first time instant and a first address, where the first address is an address where the user account performs the target service at the first time instant, and the network device is configured to provide a service for a terminal corresponding to the user account; the determining module is specifically configured to determine that the valid location information includes location information of the network device.
Optionally, the processing module is further configured to generate a first digest based on the first encryption information; the processing module is further used for conducting encryption processing on the first abstract based on the first private key to generate a first private key signature; the processing module is further configured to broadcast the first private key signature to the at least one node.
Optionally, the receiving module is further configured to receive a second private key signature sent by the second node; the processing module is further used for decrypting the second private key signature based on the second public key to obtain a third abstract; and generating a fourth digest based on the second encrypted information; the processing module is specifically further configured to decrypt the second encrypted information based on the first private key when the fourth digest is the same as the third digest, so as to obtain service data when the user account performs the target service in M time intervals.
In a fourth aspect, the present invention provides a position information determining apparatus, comprising: the device comprises a receiving module, a determining module and a processing module; the receiving module is used for receiving first encrypted information sent by a first node, and decrypting the first encrypted information based on a second private key to obtain an account identifier of a user account, wherein the second private key is a private key included in the second node; the determining module is used for determining service data when the user account performs a target service in M time intervals based on the account identification of the user account, wherein the service data comprises a plurality of moments and addresses of the user account for performing the target service at each moment in the plurality of moments, the target service is used for verifying the identity of the user account, and M is an integer greater than or equal to 1; the processing module is configured to encrypt service data of the user account when performing the target service in M time intervals based on the first public key, generate second encrypted information, and broadcast the second encrypted information to the first node and other nodes, where the other nodes are nodes in at least one node except the second node, and the first node and the at least one node belong to a same blockchain.
Optionally, the receiving module is further configured to receive a first private key signature sent by the first node; the processing module is further used for decrypting the first private key signature based on the first public key to obtain a first abstract; and generating a second digest based on the first encrypted information; the processing module is specifically configured to decrypt the first encrypted information based on the second private key to obtain an account identifier of the user account when the second digest is the same as the first digest.
Optionally, the processing module is further configured to generate a third digest based on the second encryption information; the processing module is further used for conducting encryption processing on the third abstract based on the second private key to generate a second private key signature; the processing module is further configured to broadcast the second private key signature to the first node and the other nodes.
In a fifth aspect, the present invention provides a server comprising: a processor and a memory configured to store processor-executable instructions; wherein the processor is configured to execute the instructions to implement any of the optional position information determination methods of the first aspect described above, or to implement any of the optional position information determination methods of the second aspect described above.
In a sixth aspect, the present invention provides a computer readable storage medium having instructions stored thereon that, when executed by a server, enable the server to perform any one of the optional location information determination methods of the first aspect or any one of the optional location information determination methods of the second aspect.
In the embodiment of the invention, a first node may acquire a location determination request, where the location determination request includes an account identifier of a user account, an MDN corresponding to the user account, and location information of the MDN in M time intervals, then, based on a second public key, encrypt the account identifier of the user account to generate first encrypted information, and broadcast the first encrypted information to at least one node, where after receiving second encrypted information sent by the second node, the first node may decrypt the second encrypted information based on a first private key to obtain service data when the user account performs a target service in M time intervals, where the service data includes a plurality of moments and an address of the user account performing the target service at each moment in the plurality of moments, then, the first node may determine effective location information based on the plurality of moments and the address of the user account performing the target service at each moment, where the location information of the MDN in the M time intervals includes the effective location information, where the location information of the MDN in the M time intervals includes the MDN, and where the location information of the user account in the M time intervals includes the location information may be determined as the location information of the user account in the M time intervals. In the invention, because the target service is used for verifying the identity of the user account, the first node can determine the address of the target service as the effective position information based on the plurality of moments and each moment of the user account in the plurality of moments, and because the effective position information is the position information of the user account, when the position information of the MDN in M time intervals comprises the position information of the user account, the first node determines the position information of the MDN in the M time intervals as the position information of the user account, thereby improving the accuracy of determining the position information of the user account.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a diagram illustrating a network architecture of a blockchain system according to an embodiment of the present invention;
fig. 2 is a flow chart of a method for determining location information according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for determining location information according to an embodiment of the present invention;
fig. 4 is a flowchart of another method for determining location information according to an embodiment of the present invention;
fig. 5 is a flowchart of another method for determining location information according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a location information determining apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another location information determining apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another location information determining apparatus according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another location information determining apparatus according to an embodiment of the present invention.
Detailed Description
The method, the device, the server and the storage medium for determining the position information provided by the embodiment of the invention are described in detail below with reference to the accompanying drawings.
The terms "first" and "second" and the like in the description and the drawings of the present application are used for distinguishing between different objects and not for describing a particular sequential order of objects, e.g., a first node and a second node, etc. are used for distinguishing between different nodes and not for describing a particular sequential order of nodes.
Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the embodiments of the present invention, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present invention is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The term "and/or" as used herein includes the use of either or both of these methods.
In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more.
The following explains some concepts related to a location information determining method, a device, a server and a storage medium provided in the embodiments of the present invention.
Based on the description in the background art, since in the related art, a manner in which the server determines the location information of a certain terminal as the location information of the user using the terminal may be inaccurate, the location information of the user may not be effectively determined. Based on this, the embodiment of the present invention provides a method, an apparatus, a server, and a storage medium for determining location information, where the target service is used to verify the identity of the user account, so that the first node may determine, based on the multiple times and the address of the user account for performing the target service at each of the multiple times, as valid location information, and since the valid location information is location information of the user account, in a case where the location information of the MDN in M time intervals includes location information of the user account, the first node determines the location information of the MDN in the M time intervals as location information of the user account, which may improve accuracy of determining the location information of the user account.
The method, the device, the server and the storage medium for determining the position information provided by the embodiment of the invention can be applied to a blockchain system, and as shown in fig. 1, the blockchain system can comprise a node 101, a node 102 and a node 103. In general, in practical application, the connection between the above devices or service functions may be a wireless connection, and for convenience and intuitiveness, a connection relationship between the devices is shown by a solid line in fig. 1, where each node in the blockchain system may broadcast encryption information to other nodes.
Optionally, in the embodiment of the present invention, the above node 101, node 102, and node 103 may be independent devices, or may be a server integrated with functions of a blockchain node, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, network acceleration services (content delivery network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms. In the embodiment of the present invention, the node 101 may be a first node or a second node, and the embodiment of the present invention is not limited to the number of nodes in the blockchain system.
In the application scenario of determining location information, when a first node obtains an identifier of a user account, a corresponding MDN of the user account, and location information of the MDN in M time intervals, the location information of the user account may be encrypted based on a second public key to generate first encrypted information, then the first encrypted information is broadcast to at least one node, after the first node receives second encrypted information sent by the second node, the second encrypted information may be decrypted based on a first private key to obtain service data of the user account when performing a target service in M time intervals, then valid location information is determined based on a plurality of moments and addresses of the user account for performing the target service at each moment in the plurality of moments, and when the location information of the MDN in the M time intervals includes the valid location information, the location information of the MDN in the M time intervals is determined as the location information of the user account.
The method for determining location information provided by the embodiment of the present invention is fully described below from the perspective of interaction of each device in the blockchain system in conjunction with the blockchain system shown in fig. 1, so as to illustrate a process in which the second node determines, based on the identity of the user account, service data of the target service performed by the user account in M time intervals, and the first node determines effective location information based on the multiple times and the address of the target service performed by the user account at each of the multiple times.
As shown in fig. 2, the method for determining location information provided by the embodiment of the present invention may include S101-S108.
S101, a first node acquires a position determination request.
The location determining request comprises an account identifier of the user account, an MDN corresponding to the user account and location information of the MDN in M time intervals, wherein the location determining request is used for requesting to determine the location information of the user account, and M is an integer greater than or equal to 1.
It will be appreciated that the identity of the user account is used to identify the identity of the user account, for example, the identity of the user account may be the identification card number of the user account, the passport number of the user account, or the name of the user account.
It should be understood that the location information corresponding to the MDN in the last M time intervals may also be understood as location information of a location where the terminal device corresponding to the MDN has reached (or passed) when carrying (or using) the MDN in the last M time intervals.
It may be understood that the terminal device corresponding to the MDN may be a terminal device used by the user account, or may be a terminal device used by the other user, where the location determining request is used to request to determine whether the location information of the MDN in the M time intervals is the location information of the user account in the M time intervals.
Alternatively, a time interval may be one day, the M may be 14, and the first node may query the MDN corresponding to the user account, and the user account carries the location information of the location reached by the MDN within the 14 days.
Alternatively, the first node may be a node of a railway system.
Alternatively, the first node may accept a location determination request sent by the terminal, or may accept a location determination request sent by another node, for example, a location determination request sent by an operator node.
S102, the first node encrypts the account identifier of the user account based on the second public key, generates first encrypted information, and broadcasts the first encrypted information to at least one node.
The second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to the same blockchain.
It will be appreciated that the second node includes a second public key and a second private key, and that after the first node encrypts and broadcasts a piece of information using the second public key to the blockchain system, the second node may decrypt the piece of information based on the second private key and obtain the piece of information.
It is to be appreciated that the first node can send the first encryption information in a broadcast message into a blockchain such that at least one node in the blockchain can obtain the first encryption information.
Optionally, the first node may store a first algorithm, where the first algorithm is an algorithm agreed in advance by the first node and the second node, and when the first node needs to send information to the second node, the first node may use the second public key and the first algorithm to encrypt the information to be sent, so as to obtain the encrypted information.
Alternatively, the second node may be a node of a banking system.
Alternatively, the first node and the at least one node may also belong to the same federation chain.
In an alternative implementation manner, the first node may further send a data acquisition request to the second node, where the data acquisition request includes the first encrypted data, and the data acquisition request is used to request to acquire service data of the user account in M time intervals.
S103, the second node receives the first encrypted information sent by the first node, and decrypts the first encrypted information based on the second private key to obtain the account identifier of the user account.
Wherein the second private key is a private key included in the second node.
Optionally, the second node also stores a first algorithm, and the second node may decrypt the first encrypted information sent by the first node based on the second algorithm and a second public key.
S104, the second node determines service data of the user account when the user account performs the target service in M time intervals based on the account identification of the user account.
The service data comprises a plurality of moments and addresses of the target service of the user account at each moment in the moments, the target service is used for verifying the identity of the user account, and M is an integer greater than or equal to 1.
It should be understood that, since the target service is used to verify the identity of the user account, when the user account performs the target service, it is explained that the user account is using the terminal device corresponding to the user account at this time, and at this time, the location information of the terminal device corresponding to the user account is the location information of the user account.
Optionally, the target service may be a payment service, where the target service includes face verification information of the user account.
It can be understood that the service data of the target service may also be understood as full message information of the user account when the target service is performed, where the full message information includes a time, a source address, and a destination address of the full message information, and the specific source address is an IP address of a terminal device corresponding to the user account.
It should be understood that the user account may perform multiple target services in the M time intervals, and the service data of the target service may be multiple pieces of full message information, where each piece of full message information includes a time, a source address and a destination address.
S105, the second node encrypts service data of the user account when the user account performs the target service in M time intervals based on the first public key, generates second encryption information, and broadcasts the second encryption information to the first node and other nodes.
Wherein the other nodes are nodes of the at least one node except the second node, and the first node and the at least one node belong to the same blockchain.
It should be appreciated that the first public key is a public key included in the first node.
It will be appreciated that the second node will send the second encryption information in a broadcast message into the blockchain so that at least one node in the blockchain can obtain the second encryption information.
S106, the first node receives the second encrypted information sent by the second node, and decrypts the second encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals.
The service data comprises a plurality of moments and addresses of the target service of the user account at each moment in the moments, the target service is used for verifying the identity of the user account, and the first private key is a private key included in the first node.
It can be understood that the first private key is a private key corresponding to the first public key, and because the second node encrypts the service data of the user account when performing the target service in M time intervals based on the first public key to obtain the second encrypted information, and the first public key is a public key included in the first node, the first node can decrypt the second encrypted information based on the first private key to obtain the service data of the user account when performing the target service in M time intervals.
And S107, the first node determines effective position information based on a plurality of moments and the address of the target service performed by the user account at each moment.
In connection with the above description of the embodiments, it should be understood that, since the target service is used to verify the identity of the user account, when the user account performs the target service, it is explained that the user account is using the terminal device corresponding to the user account at this time, the first node may determine the location information of the terminal device corresponding to the user account as the location information of the user account, and since the address where the service user account performs the target service at each time includes a source address and a destination address, the source address is the address of the terminal device corresponding to the user account, and therefore, the first node may determine the valid location information based on the multiple times and the address where the user account performs the target service at each time.
S108, when the position information of the MDN in the M time intervals comprises the effective position information, the first node determines the position information of the MDN in the M time intervals as the position information of the user account.
It may be understood that, when the location information of the MDN in the M time intervals includes the valid location, the location information of the MDN in the M time intervals includes the location information of the user account, at this time, the first node may determine that the location information of the MDN in the M time intervals is the location information of the user account that carries the MDN in the M time intervals, and determine the location information of the MDN in the M time intervals is the location information of the user account.
When the position information of the MDN at the first time is the same as the position information of the user account at the second time, the position information of the MDN in the M time intervals is indicated to include the position information of the user account at the second time, wherein the first time and the second time are the times in the M time intervals, and the time difference between the first time and the second time is less than or equal to a time difference threshold.
Alternatively, the time difference threshold may be 1 hour.
In an implementation manner of the embodiment of the present invention, the location information of the MDN in the M time intervals may be beijing, and the valid location information may be latitude and longitude information, and when the beijing includes the latitude and longitude information, the first node may determine that the location information of the MDN in the M time intervals includes the valid location information.
In an implementation manner of the embodiment of the present invention, the location determining request may include a plurality of MDNs and location information of each MDN in M time intervals, that is, the user account corresponds to the plurality of MDNs, where the first node may determine whether the location information of each MDN in the M time intervals includes the valid location information.
In the embodiment of the present invention, a first node may acquire a location determination request, where the location determination request includes an account identifier of a user account, an MDN corresponding to the user account, and location information of the MDN in M time intervals, then, encrypt the account identifier of the user account based on a second public key to generate first encrypted information, and broadcast the first encrypted information to at least one node, where after receiving second encrypted information sent by the second node, the first node may decrypt the second encrypted information based on a first private key to obtain service data when the user account performs a target service in M time intervals, where the service data includes a plurality of times and an address of the user account performing the target service at each time interval, then, the first node may determine effective location information based on the plurality of times and the address of the user account performing the target service at each time interval, where the location information of the MDN in the M time intervals includes the effective location information, and indicate that the location information of the MDN in the M time intervals includes the location information of the user account may determine the location information in the M time intervals as the user account location information. In the invention, because the target service is used for verifying the identity of the user account, the first node can determine the address of the target service as the effective position information based on the plurality of moments and each moment of the user account in the plurality of moments, and because the effective position information is the position information of the user account, when the position information of the MDN in M time intervals comprises the position information of the user account, the first node determines the position information of the MDN in the M time intervals as the position information of the user account, thereby improving the accuracy of determining the position information of the user account.
In an implementation manner of the embodiment of the present invention, the plurality of time instants includes a first time instant, and in conjunction with fig. 2, as shown in fig. 3, the first node determines valid location information based on the plurality of time instants and an address of the target service performed by the user account at each time instant, which may specifically include S1071-S1072.
S1071, the first node determines network devices corresponding to both the first time and the first address.
The first address is an address of the user account for performing the target service at the first time, and the network device is used for improving service for a terminal corresponding to the user account.
It may be understood that the address of the user account performing the target service at the first moment may also be understood as routing information of the target service, where the network device is an access network device when the user account performs the target service at the first moment, where the network device is configured to provide network services for a terminal corresponding to the user account.
Optionally, the network device may be a base station or a router, and specifically, when the user account uses a 4G or 5G network when the user account performs the target service at the first time, the network device is a base station that provides a network server for the terminal, and when the user account uses a wireless network when the user account performs the target service at the first time, the network device is a router.
It should be understood that the first address is an IP address, the first node may store information of a terminal device corresponding to the IP address at each time in the M time intervals, and the first node may determine, based on the first time and the first address, a terminal device of the user account, and an identifier of an access network device to which the terminal device is connected at the first time.
S1072, the first node determines that the valid location information includes location information of the network device.
In the embodiment of the present invention, the first node stores latitude and longitude information of each of the plurality of base stations and location information of each of the plurality of routers, and the first node may determine location information of the network device based on the identifier of the network device, and determine the location information of the network device as location information of the user account at the first moment.
It may be understood that the valid location information is location information that has been reached by the user account in the M time intervals, where the valid location information may include a plurality of location information, and the first node may determine that the valid location includes location information of the network device.
It will be appreciated that the first node may determine location information of a plurality of network devices based on the traffic data and then determine the location information of the plurality of network devices as the valid location information.
Referring to fig. 2, as shown in fig. 4, the method for determining location information provided in the embodiment of the present invention further includes S109-S113.
S109, the first node generates a first abstract based on the first encryption information.
It is understood that the first node may generate a first digest based on a digest algorithm and the first encryption information.
It should be appreciated that the digest algorithm is a digest algorithm that is pre-agreed with the second node.
S110, the first node encrypts the first abstract based on the first private key to generate a first private key signature.
It can be understood that, because the first encrypted information is generated by encrypting the first node based on the second public key, the second node can decrypt the first encrypted information based on the second public key, and cannot determine that the first encrypted information is the first encrypted information sent by the first node, at this time, the first node can encrypt the first digest based on the first private key to generate the first private key signature.
It should be understood that the first private key signature may also be understood as a signature of the first node, and the second node may decrypt the first private key signature based on the first public key to determine that the first private key signature is the signature of the first node.
S111, the first node broadcasts a first private key signature to at least one node.
S112, the second node receives the first private key signature sent by the first node.
S113, the second node decrypts the first private key signature based on the first public key to obtain a first abstract; and generating a second digest based on the first encrypted information.
It can be understood that the second node decrypts the first private key signature based on the first public key to obtain the first digest, which indicates that the first digest is the digest sent by the first node, and the second node successfully verifies the identity of the first node.
In connection with the above description of the embodiments, the first node broadcasts the first encrypted information to the at least one node, it being understood that the second node may also obtain the first encrypted information and generate a second digest for the first encrypted information based on the digest algorithm.
Continuing to refer to fig. 4, the second node decrypts the first encrypted information based on the second private key to obtain the account identifier of the user account, which specifically includes S1031.
S1031, under the condition that the second abstract is the same as the first abstract, decrypting the first encrypted information based on the second private key to obtain the account identifier of the user account.
It should be understood that, when the second digest is the same as the first digest, the first encrypted information is described as the encrypted information sent by the first node, and at this time, the second node may decrypt the first encrypted information based on the second private key to obtain the account identifier of the user account.
In the embodiment of the invention, the first node encrypts the account identifier of the user account based on the second public key to obtain the first encrypted information, encrypts the first abstract based on the first private key, and can determine that the second node can encrypt the first abstract based on the first public key to determine that the first abstract is the abstract of the first node, and the second node generates the second abstract based on the first encrypted information, so that the first encrypted information can be determined to be the encrypted information sent by the second node, and the security of the encrypted information transmission can be ensured.
Referring to fig. 2, as shown in fig. 5, the method for determining location information provided in the embodiment of the present invention further includes S114 to S118.
And S114, the second node generates a third abstract based on the second encryption information.
It is appreciated that the second node may generate a third digest based on the pre-agreed digest algorithm and the first encryption information.
And S115, the second node encrypts the third abstract based on the second private key to generate a second private key signature.
It should be appreciated that the second private key signature may also be understood as a signature of the second node, and the first node may decrypt the second private key signature based on the second public key to determine that the second private key signature is the signature of the second node.
And S116, the second node broadcasts the second private key signature to the first node and other nodes.
It should be understood that the other node is a node other than the second node of the at least one node.
S117, the first node receives a second private key signature sent by the second node.
S118, the first node decrypts the second private key signature based on the second public key to obtain a third abstract; and generating a fourth digest based on the second encryption information.
It can be understood that the first node decrypts the second private key signature based on the second public key to obtain the third digest, which indicates that the third digest is the digest sent by the second node, and the first node successfully verifies the identity of the second node.
In connection with the above description of the embodiments, the second node broadcasts the second encrypted information to the other nodes, it being understood that the first node may also obtain the second encrypted information and generate a fourth digest for the second encrypted information based on the digest algorithm.
Continuing to refer to fig. 5, the first node decrypts the second encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals, specifically including S1061.
S1061, under the condition that the fourth abstract is the same as the third abstract, the first node decrypts the second encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals.
It should be understood that, when the fourth digest is the same as the third digest, the second encrypted information is illustrated as encrypted information sent by the second node, and at this time, the first node may decrypt the first encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals.
The embodiment of the invention can divide the functional modules of the server and the like according to the method example, for example, each functional module can be divided corresponding to each function, and two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present invention, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.
In the case of dividing the respective functional modules with the respective functions, fig. 6 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment, and as shown in fig. 6, the position information determining apparatus 20 may include: an acquisition module 201, a processing module 202, a receiving module 203, and a determining module 204.
An obtaining module 201, configured to obtain a location determination request, where the location determination request includes an account identifier of the user account, an MDN corresponding to the user account, and location information of the MDN in M time intervals, where the location determination request is used to request determining location information of the user account, and M is an integer greater than or equal to 1.
The processing module 202 is configured to encrypt the account identifier of the user account based on a second public key, generate first encrypted information, and broadcast the first encrypted information to at least one node, where the second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to a same blockchain.
The receiving module 203 is configured to receive second encrypted information sent by the second node, and decrypt the second encrypted information based on a first private key, so as to obtain service data when the user account performs a target service in the M time intervals, where the service data includes a plurality of moments and an address of the user account performing the target service at each of the plurality of moments, the target service is used to verify an identity of the user account, and the first private key is a private key included in the first node.
A determining module 204, configured to determine valid location information based on the multiple moments and the address of the target service performed by the user account at each moment.
The determining module 204 is further configured to determine, when the location information of the MDN in the M time intervals includes the valid location information, the location information of the MDN in the M time intervals as the location information of the user account.
Optionally, the plurality of moments includes a first moment.
The determining module 204 is specifically configured to determine a network device corresponding to the first time and a first address, where the first address is an address where the user account performs the target service at the first time, and the network device is configured to provide a service for a terminal corresponding to the user account.
The determining module 204 is specifically configured to determine that the valid location information includes location information of the network device.
Optionally, the processing module 202 is further configured to generate a first digest based on the first encryption information.
The processing module 202 is further configured to encrypt the first digest based on the first private key, and generate a first private key signature.
The processing module 202 is further configured to broadcast the first private key signature to the at least one node.
Optionally, the receiving module 203 is further configured to receive a second private key signature sent by the second node.
The processing module 202 is further configured to decrypt the second private key signature based on the second public key to obtain a third digest; and generating a fourth digest based on the second encrypted information.
The processing module 202 is specifically further configured to decrypt the second encrypted information based on the first private key to obtain service data when the user account performs the target service in M time intervals when the fourth digest is the same as the third digest.
In the case of using an integrated unit, fig. 7 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment. As shown in fig. 7, the position information determining apparatus 30 may include: a processing module 301 and a communication module 302. The processing module 301 may be used for controlling and managing the operation of the position information determining apparatus 30. The communication module 302 may be used to support communication of the location information determining device 30 with other entities. Alternatively, as shown in fig. 7, the location information determining device 30 may further include a storage module 303 for storing program codes and data of the location information determining device 30.
Wherein the processing module 301 may be a processor or a controller. The communication module 302 may be a transceiver, a transceiver circuit, a communication interface, or the like. The storage module 303 may be a memory.
When the processing module 301 is a processor, the communication module 302 is a transceiver, and the storage module 303 is a memory, the processor, the transceiver, and the memory may be connected through a bus. The bus may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The buses may be divided into address buses, data buses, control buses, etc.
In the case of dividing the respective functional modules with the respective functions, fig. 8 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment, as shown in fig. 8, the position information determining apparatus 40 may include: a receiving module 401, a determining module 402 and a processing module 403.
The receiving module 401 is configured to receive the first encrypted information sent by the first node, and decrypt the first encrypted information based on a second private key, to obtain an account identifier of the user account, where the second private key is a private key included in the second node.
A determining module 402, configured to determine, based on an account identifier of the user account, service data when the user account performs a target service in M time intervals, where the service data includes a plurality of moments and an address of the user account performing the target service at each of the plurality of moments, and the target service is used to verify an identity of the user account, and M is an integer greater than or equal to 1.
The processing module 403 is configured to encrypt service data of the user account when performing the target service in M time intervals based on the first public key, generate second encrypted information, and broadcast the second encrypted information to the first node and other nodes, where the other nodes are nodes in at least one node except the second node, and the first node and the at least one node belong to the same blockchain.
Optionally, the receiving module 401 is further configured to receive a first private key signature sent by the first node.
The processing module 403 is further configured to decrypt the first private key signature based on the first public key to obtain a first digest; and generating a second digest based on the first encrypted information.
The processing module 403 is specifically configured to decrypt the first encrypted information based on the second private key to obtain an account identifier of the user account when the second digest is the same as the first digest.
Optionally, the processing module 403 is further configured to generate a third digest based on the second encryption information.
The processing module 403 is further configured to encrypt the third digest based on the second private key, and generate a second private key signature.
The processing module 403 is further configured to broadcast the second private key signature to the first node and the other nodes.
In the case of using an integrated unit, fig. 9 shows a schematic diagram of one possible configuration of the position information determining apparatus involved in the above-described embodiment. As shown in fig. 9, the position information determining apparatus 50 may include: a processing module 501 and a communication module 502. The processing module 501 may be used to control and manage the actions of the position information determining apparatus 50. The communication module 502 may be used to support communication of the location information determining device 50 with other entities. Alternatively, as shown in fig. 9, the location information determining apparatus 50 may further include a storage module 503 for storing program codes and data of the location information determining apparatus 50.
Wherein the processing module 501 may be a processor or a controller. The communication module 502 may be a transceiver, a transceiver circuit, a communication interface, or the like. The storage module 503 may be a memory.
Where the processing module 501 is a processor, the communication module 502 is a transceiver, and the storage module 503 is a memory, the processor, the transceiver, and the memory may be connected by a bus. The bus may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The buses may be divided into address buses, data buses, control buses, etc.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using a software program, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present invention are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber terminal line (Digital Subscriber Line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers, data centers, etc. that can be integrated with the medium. The usable medium may be a magnetic medium (e.g., a floppy Disk, a hard Disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (16)

1. A method of determining location information, applied to a first node, the method comprising:
acquiring a position determination request, wherein the position determination request comprises an account identifier of a user account, a mobile user directory number MDN corresponding to the user account and position information of the MDN in M time intervals, and the position determination request is used for requesting to determine the position information of the user account, and M is an integer greater than or equal to 1;
encrypting the account identifier of the user account based on a second public key, generating first encryption information, and broadcasting the first encryption information to at least one node, wherein the second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to the same blockchain;
Receiving second encryption information sent by the second node, and decrypting the second encryption information based on a first private key to obtain service data when the user account performs a target service in the M time intervals, wherein the service data comprises a plurality of moments and addresses of the target service performed by the user account at each moment in the plurality of moments, the target service is used for verifying the identity of the user account, and the first private key is the private key included in the first node;
determining effective position information based on the plurality of moments and the address of the target service performed by the user account at each moment;
and determining the position information of the MDN in the M time intervals as the position information of the user account in the case that the position information of the MDN in the M time intervals comprises the valid position information.
2. The method according to claim 1, wherein the plurality of times includes a first time, the determining effective location information based on the plurality of times and an address of the target service performed by the user account at each time includes:
Determining network equipment corresponding to the first moment and a first address, wherein the first address is an address of the user account for performing the target service at the first moment, and the network equipment is used for providing service for a terminal corresponding to the user account;
and determining that the effective position information comprises the position information of the network equipment.
3. The position information determination method according to claim 1, characterized in that the method further comprises:
generating a first digest based on the first encryption information;
encrypting the first abstract based on the first private key to generate a first private key signature;
broadcasting the first private key signature to the at least one node.
4. A position information determination method according to any one of claims 1-3, characterized in that the method further comprises:
receiving a second private key signature sent by the second node;
decrypting the second private key signature based on the second public key to obtain a third abstract; and generating a fourth digest based on the second encryption information;
the decrypting the second encrypted information based on the first private key to obtain service data of the user account when performing the target service in M time intervals includes:
And under the condition that the fourth abstract is the same as the third abstract, decrypting the second encrypted information based on the first private key to obtain service data when the user account performs target service in M time intervals.
5. A method of determining location information, applied to a second node, the method comprising:
receiving first encryption information sent by a first node, and decrypting the first encryption information based on a second private key to obtain an account identifier of a user account, wherein the second private key is a private key included in the second node;
determining service data of the user account when performing a target service in M time intervals based on the account identification of the user account, wherein the service data comprises a plurality of moments and addresses of the user account for performing the target service at each moment in the plurality of moments, the target service is used for verifying the identity of the user account, and M is an integer greater than or equal to 1;
and encrypting service data of the user account when the user account performs target service in M time intervals based on a first public key, generating second encryption information, and broadcasting the second encryption information to the first node and other nodes, wherein the other nodes are nodes except the second node in at least one node, and the first node and the at least one node belong to the same blockchain.
6. The position information determination method according to claim 5, characterized in that the method further comprises:
receiving a first private key signature sent by the first node;
decrypting the first private key signature based on the first public key to obtain a first abstract; and generating a second digest based on the first encrypted information;
the decrypting the first encrypted information based on the second private key to obtain an account identifier of the user account comprises:
and under the condition that the second abstract is the same as the first abstract, decrypting the first encrypted information based on the second private key to obtain the account identifier of the user account.
7. The position information determination method according to claim 5, characterized in that the method further comprises:
generating a third digest based on the second encrypted information;
encrypting the third abstract based on the second private key to generate a second private key signature;
broadcasting the second private key signature to the first node and the other nodes.
8. The position information determining device is characterized by comprising an acquisition module, a processing module, a receiving module and a determining module;
The acquisition module is used for acquiring a position determination request, wherein the position determination request comprises an account identifier of a user account, a mobile user directory number MDN corresponding to the user account and position information of the MDN in M time intervals, the position determination request is used for requesting to determine the position information of the user account, and M is an integer greater than or equal to 1;
the processing module is used for conducting encryption processing on account identification of the user account based on a second public key, generating first encryption information and broadcasting the first encryption information to at least one node, wherein the second public key is a public key included in a second node, the second node is one of the at least one node, and the first node and the at least one node belong to the same blockchain;
the receiving module is configured to receive second encrypted information sent by the second node, and decrypt the second encrypted information based on a first private key, so as to obtain service data when the user account performs a target service in the M time intervals, where the service data includes multiple moments and an address of the user account performing the target service at each of the multiple moments, the target service is used to verify an identity of the user account, and the first private key is a private key included in the first node;
The determining module is used for determining effective position information based on the plurality of moments and the address of the target service performed by the user account at each moment;
the determining module is further configured to determine, when the location information of the MDN in the M time intervals includes the valid location information, the location information of the MDN in the M time intervals as the location information of the user account.
9. The location information determining apparatus of claim 8, wherein the plurality of time instants includes a first time instant,
the determining module is specifically configured to determine a network device corresponding to both the first time and a first address, where the first address is an address where the user account performs the target service at the first time, and the network device is configured to provide a service for a terminal corresponding to the user account;
the determining module is specifically configured to determine that the valid location information includes location information of the network device.
10. The position information determining apparatus according to claim 8, wherein,
the processing module is further configured to generate a first digest based on the first encryption information;
The processing module is further used for conducting encryption processing on the first abstract based on the first private key to generate a first private key signature;
the processing module is further configured to broadcast the first private key signature to the at least one node.
11. The position information determining apparatus according to claim 8, wherein,
the receiving module is further configured to receive a second private key signature sent by the second node;
the processing module is further configured to decrypt the second private key signature based on the second public key to obtain a third digest; and generating a fourth digest based on the second encryption information;
and the processing module is specifically further configured to decrypt the second encrypted information based on the first private key when the fourth digest is the same as the third digest, so as to obtain service data when the user account performs the target service in M time intervals.
12. The position information determining device is characterized by comprising a receiving module, a determining module and a processing module;
the receiving module is used for receiving first encrypted information sent by a first node, and decrypting the first encrypted information based on a second private key to obtain an account identifier of a user account, wherein the second private key is a private key included in the second node;
The determining module is configured to determine service data when the user account performs a target service in M time intervals based on an account identifier of the user account, where the service data includes a plurality of moments and an address of the user account performing the target service at each of the plurality of moments, and the target service is used to verify an identity of the user account, and M is an integer greater than or equal to 1;
the processing module is configured to encrypt service data of the user account when performing the target service in M time intervals based on a first public key, generate second encrypted information, and broadcast the second encrypted information to the first node and other nodes, where the other nodes are nodes in at least one node except the second node, and the first node and the at least one node belong to a same blockchain.
13. The location information determining apparatus according to claim 12, wherein,
the receiving module is further configured to receive a first private key signature sent by the first node;
the processing module is further configured to decrypt the first private key signature based on the first public key to obtain a first digest; and generating a second digest based on the first encrypted information;
The processing module is specifically configured to decrypt the first encrypted information based on the second private key to obtain an account identifier of the user account when the second digest is the same as the first digest.
14. The location information determining apparatus according to claim 12, wherein,
the processing module is further configured to generate a third digest based on the second encryption information;
the processing module is further configured to encrypt the third digest based on the second private key, and generate a second private key signature;
the processing module is further configured to broadcast the second private key signature to the first node and the other nodes.
15. A server, the server comprising:
a processor;
a memory configured to store the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the location information determining method of any of claims 1-4 or to implement the location information determining method of any of claims 5-7.
16. A computer readable storage medium having instructions stored thereon, which, when executed by a server, enable the server to perform the location information determination method of any one of claims 1-4 or the location information determination method of any one of claims 5-7.
CN202211684677.2A 2022-12-27 2022-12-27 Position information determining method, device, server and storage medium Pending CN116233225A (en)

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Application Number Priority Date Filing Date Title
CN202211684677.2A CN116233225A (en) 2022-12-27 2022-12-27 Position information determining method, device, server and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211684677.2A CN116233225A (en) 2022-12-27 2022-12-27 Position information determining method, device, server and storage medium

Publications (1)

Publication Number Publication Date
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