CN113342854A - Method and system for generating unique ID of mobile equipment - Google Patents
Method and system for generating unique ID of mobile equipment Download PDFInfo
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- CN113342854A CN113342854A CN202110685757.9A CN202110685757A CN113342854A CN 113342854 A CN113342854 A CN 113342854A CN 202110685757 A CN202110685757 A CN 202110685757A CN 113342854 A CN113342854 A CN 113342854A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24553—Query execution of query operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2282—Tablespace storage structures; Management thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/73—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by creating or determining hardware identification, e.g. serial numbers
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- 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 discloses a method and a system for generating a unique ID of mobile equipment, wherein the method comprises the following steps: acquiring a plurality of fixed data of the mobile equipment, wherein the fixed data are fixed codes stored in the mobile equipment; uploading the plurality of fixed data to a server, and intercepting the coded data of the appointed digit of each fixed data by the server; splicing the intercepted coded data to generate a device unique ID with a fixed number of bits, returning the device unique ID, and storing the device unique ID in a plurality of storage paths of the mobile device; the server acquires the fixed data and stores the corresponding unique ID of the equipment in a plurality of key value pair lists in a key value pair mode; and bidirectionally inquiring key names in the plurality of key-value pair lists for inquiring the unique ID of the equipment and updating the fixed data. The method and the system carry out data search by constructing a plurality of key value pair lists at the server side, and can ensure the persistence of the unique ID by adopting a bidirectional inquiry and updating mode.
Description
Technical Field
The invention relates to the field of Internet equipment identification, in particular to a method and a system for generating a unique ID of mobile equipment.
Background
At present, the unique ID of the mobile phone equipment is used as a mobile phone identity identification mark, and is particularly important in scenes such as advertisement statistics, user portrait establishment and the like. And the modification of the latest mobile phone system is limited, the android device forbids the acquisition of related rights, and the apple device tightens the advertisement tracking privacy policy, so that the unique ID of the device cannot be acquired. Most of the current alternative schemes are complex and have low success rate; therefore, a durable and reliable unique device identification scheme is needed to meet the requirement. In the era of mobile internet, the mobile phone has a default device unique identifier, and different schemes for acquiring the unique ID by different mobile phone devices are different. The user can generate the unique ID of the equipment by acquiring the information provided by the mobile phone system; or on the basis of the prior art, partial hardware data of the mobile phone are mixed to generate the unique identifier of the equipment. Android devices typically take either the system provided field IMEI or the three-way library field OAID. The apple device generally combines the user history data accumulated by the three-party platform to realize attribution by means of the generation thought of the system field IDFA. However, the above prior art has the following disadvantages: (1) with the upgrade of the system version of the mobile phone, the device unique ID provided by the mobile phone is more and more difficult to acquire, and even is prohibited from acquiring. (2) The mixed data scheme is difficult to ensure the uniqueness of the generation, and the problem that a plurality of pieces of equipment information obtain the same equipment information exists. (3) The generated device ID cannot be persisted, and the user ID data is lost if there is an uninstalled App or cache/garbage information is cleared. (4) Each large manufacturer realizes data attribution by means of data of the large manufacturer, and various schemes are independent from each other, information is not passed, and closed-loop data cannot be realized.
Disclosure of Invention
One of the purposes of the present invention is to provide a method and a system for generating a unique ID of a mobile device, where the method and the system obtain multiple sets of device-specific data in the mobile device, and perform numerical interception and assembly on the specific data, where the specific data includes a unique identification code for verifying a mobile device, and is used to construct a unique ID, and the unique ID can avoid the problem of the same device information in a mixed data construction scheme, and meet the effect that different mobile devices can obtain unique IDs even if data is unavailable due to different data attribution schemes, and has wide applicability.
The invention also aims to provide a method and a system for generating the unique ID of the mobile equipment, wherein the method and the system carry out data search in a mode of constructing a plurality of key value pair lists at a server side, and can ensure the persistence of the unique ID in a mode of bidirectional query and update.
Another object of the present invention is to provide a method and system for generating a unique ID of a mobile device, which uses a blondi filter to find an accurate ID in a server, thereby avoiding the problem of inaccurate identification due to data comparison.
Another object of the present invention is to provide a mobile device unique ID generation method and system, which converts acquired fixed data into a binary queue, thereby allowing the unique ID to be rapidly queried.
To achieve at least one of the above objects, the present invention further provides a mobile device unique ID generation method, comprising the steps of:
acquiring a plurality of fixed data of the mobile equipment, wherein the fixed data are fixed codes stored in the mobile equipment;
uploading the plurality of fixed data to a server, and intercepting the coded data of the appointed digit of each fixed data by the server;
splicing the intercepted coded data to generate a device unique ID with a fixed number of bits, returning the device unique ID, and storing the device unique ID in a plurality of storage paths of the mobile device;
the server acquires the fixed data and stores the corresponding unique ID of the equipment in a plurality of key value pair lists in a key value pair mode;
and bidirectionally inquiring key names in the plurality of key-value pair lists for inquiring the unique ID of the equipment and updating the fixed data.
According to one preferred embodiment of the present invention, when acquiring the fixed data of the mobile terminal, determining the system type carried by the mobile terminal, and if the system type is an android system, acquiring the fixed data of the mobile device includes: os _ type, brand, model, device _ id, imei, oaid, rom _ capacity, system _ rom _ name; if the loading is the IOS system, the obtained fixed data comprises the following data: os _ type, bridge, model, device _ id, idfa, simulate _ idfa, rom _ capacity, body _ memory.
According to another preferred embodiment of the present invention, the method for generating the device unique ID includes: and after the fixed data are obtained, MD5 encryption is carried out on each fixed data, the encryption result of each fixed data is obtained, and the coded data of the front fixed number of bits is intercepted.
According to a preferred embodiment of the present invention, the encoded data intercepted after encrypting each fixed data is converted into binary encoded data, and the binary encoded data is spliced in a preset sorting manner according to the type of the fixed data, so as to obtain the unique ID of the device of the binary encoding.
According to another preferred embodiment of the present invention, the server queries the device unique IDs stored in the plurality of storage paths of the mobile device, and if the device unique IDs do not exist, searches the device unique ID stored in the server itself, and returns the device unique ID searched by the server to the mobile device.
According to another preferred embodiment of the present invention, the list of key-value pairs comprises: the reported mobile equipment information is a second key value pair list with the key name key and the equipment unique ID as the key value, and the reported mobile equipment information is a first key value pair list with the equipment unique ID as the key value and the key name key.
According to another preferred embodiment of the present invention, the second key-value pair list is searched according to the mobile device information reported by the mobile device, the device unique ID stored in the second key-value pair list is obtained, and a bloom filter is used to check and determine whether the device unique ID stored in the second key-value pair list of the server is consistent.
According to another preferred embodiment of the present invention, the first key-value pair list is searched according to the device unique ID reported by the mobile device, the mobile device information stored in correspondence with the first key-value pair list is obtained, and if the mobile device information changes, the changed mobile device information is updated in the corresponding key value of the first key-value pair list.
To achieve at least one of the above objects, the present invention further provides a mobile device unique ID generation system, which stores and applies the above mobile device unique ID generation method.
The present invention further provides a computer-readable storage medium that employs and stores the above-described mobile device unique ID generation system.
Drawings
Fig. 1 is a flowchart illustrating a method for generating a unique ID of a mobile device according to the present invention.
FIG. 2 shows a schematic of a bloom filter of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1-2, the present invention provides a method and a system for generating a unique ID of a mobile device, which can solve the problem of stability and persistence of the unique ID in the existing mobile device, and the specific method is as follows:
the server configures capture parameters for capturing specific fixed data from the mobile device, where it is to be noted that the fixed data is relatively fixed encoded data configured for a system or an apparatus of the mobile device itself, and the types of the fixed data stored in different devices are different due to different systems installed in the different devices, for example, the fixed data stored in the android system includes: os _ type, brand, model, device _ id, imei, oaid, rom _ capacity, system _ rom _ name; 8 fixed data, these 8 fixed data are the main data that can be used to identify the mobile device, and for example, the fixed data of the IOS system includes: the method comprises the steps of obtaining at least 2 of 8 data as data to be coded to carry out coding of a unique ID of a device, wherein the data comprises os _ type, bridge, model, device _ ID, idfa, simulate _ idfa, rom _ capacity and body _ memory. It should be noted that device _ ID in the 8 pieces of fixed data is fixed data that is possessed by two embarkation systems, and when data coding is performed in the present invention, data in the device _ ID field must be coded into the device unique ID, where the device _ ID data includes: the method comprises the steps of obtaining imei when the value of oaid is null, obtaining UUID if the value of imei is null, and generating a random character string if the value of UUID is null, so that no matter what fixed data is carried by the mobile equipment, different mobile equipment can be identified as unique IDs.
It should be noted that, the MD5 is used for encrypting after the 8 fixed data are obtained, the server of the present invention obtains the 8 encrypted fixed data and then converts the 8 encrypted fixed data into binary data, encodes the first 16 bits of data of each fixed data binary, and then splices the binary data of each fixed data, where the splicing mode may be performed according to a preset splicing sequence rule, for example, the following field sequence may be used for splicing: os _ type, brand, model, device _ id, imei, oaid, rom _ capacity, system _ rom _ name; eventually forming a 128-bit device unique ID. Wherein if the identified partial field is empty, the field identification is set to 0000, wherein the device _ id field cannot be identified as 0000. Therefore, the unique ID of the equipment can effectively ensure the uniqueness of the identification data.
And after the server calculates and acquires the unique ID of the equipment, a first key value pair list and a second key value queue list are constructed, and the unique ID of the equipment and the information of the mobile equipment reported from the client are respectively stored in the first key value pair list and the second key value queue list of the server in a key value pair mode. And in the second key-value pair list, the reported mobile equipment information is a key name key, and the equipment unique ID is a key value and is stored in the second key-value pair list. And the unique ID of the equipment is used as a key name key, and the reported mobile equipment information is used as a key value and is stored in the first key value pair list. The server returns the generated device unique ID to the mobile device and stores the device unique ID in a plurality of designated storage paths, wherein the storage paths comprise: the device application cache path, the device internal storage application path, and the device external storage path. For improving the probability of success of identification of the mobile device unique ID. The mobile device may be identified even if the corresponding APP in the device is deleted.
When the unique device ID is stored in the mobile device, the reported mobile device information and the stored unique device ID are uploaded to the server together in the next interaction process with the server, and the server performs bidirectional query on the reported mobile device information and the unique device ID to find whether the unique device ID is consistent or not and update the reported mobile device information. It should be noted that, when the server obtains the device unique ID reported by the mobile device, the server searches the first key value pair list through the device unique ID, and after matching the same key name, searches the key value stored under the key name, where the key value is the mobile device information, and if the same key name exists, it indicates that the search is successful, and determines whether the mobile device information reported under the corresponding device unique ID is consistent with the stored mobile device information, and if the same key name exists, it is not in storage, and if not, it updates the reported mobile device information in the key value under the device unique ID key name. It should be noted that the mobile device information includes the above 8 fixed data and other interactive data. In the actual process, the device unique IDs stored in the multiple storage paths in the mobile phone need to be searched, and as long as the device unique ID exists in one storage path, the device unique ID is further bound with the mobile device information and uploaded. And when the unique ID of the equipment is not inquired by all the storage paths, the unique ID of the equipment is inquired and obtained according to the reported mobile equipment information, and the unique ID of the equipment is returned to the appointed storage path of the mobile equipment again for storage. Thereby avoiding the problem that the unique ID of the mobile phone is lost due to the operation of the mobile phone.
In order to solve the problem that the unique device ID is not matched in the updating process of the mobile device, the invention further adopts a bidirectional query updating mode to store the unique device ID which is queried and stored in the server corresponding list. Specifically, the method comprises the following steps: after the device information reported by the mobile device is acquired, the device information stored in the first key value pair list is searched through the device unique ID reported at the same time, 8 pieces of the fixed data md5 acquired from the reported device information are encrypted and converted into binary data, 16-bit data codes before the binary data are intercepted are spliced according to a preset splicing rule to generate an updated device unique ID, the updated device unique ID is used for inquiring the device unique ID stored in the second key value pair list by adopting a bloom filter, if the updated device unique ID can be inquired in the second key value pair list, the device unique ID is directly used, and if the updated device unique ID does not exist, the device information reported by the mobile device and the device unique ID are acquired again for data updating and storing.
The method for searching for the unique device through bloom filtering is mainly implemented by adopting a bitmap method, please refer to fig. 2, wherein a bloom filter can set the size of bitmap arrays, each bitmap array has only two states, namely 0 and 1, each bitmap array occupies one position, when the bitmap arrays are set to be 128, 128 independent hash functions can be generated, each hash function maps one bitmap array, when the device unique ID is input into the bloom filter, whether the states of all bitmap arrays are 1 or not is calculated, if all bitmap arrays are 1, it is indicated that the same device unique ID exists in a second key-value pair list, and if at least one bitmap array has a value not 1, the corresponding device unique ID does not exist in the second key-value pair list, and the device unique ID generation and storage need to be restarted.
In particular, according to the embodiments of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. The computer program, when executed by a Central Processing Unit (CPU), performs the above-described functions defined in the method of the present application. It should be noted that the computer readable medium mentioned above in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wire segments, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless section, wire section, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It will be understood by those skilled in the art that the embodiments of the present invention described above and illustrated in the drawings are given by way of example only and not by way of limitation, the objects of the invention having been fully and effectively achieved, the functional and structural principles of the present invention having been shown and described in the embodiments, and that various changes or modifications may be made in the embodiments of the present invention without departing from such principles.
Claims (10)
1. A method for generating a unique ID for a mobile device, the method comprising the steps of:
acquiring a plurality of fixed data of the mobile equipment, wherein the fixed data are fixed codes stored in the mobile equipment;
uploading the plurality of fixed data to a server, and intercepting the coded data of the appointed digit of each fixed data by the server;
splicing the intercepted coded data to generate a device unique ID with a fixed number of bits, returning the device unique ID, and storing the device unique ID in a plurality of storage paths of the mobile device;
the server acquires the fixed data and stores the corresponding unique ID of the equipment in a plurality of key value pair lists in a key value pair mode;
and bidirectionally inquiring key names in the plurality of key-value pair lists for inquiring the unique ID of the equipment and updating the fixed data.
2. The method according to claim 1, wherein when acquiring the fixed data of the mobile device, determining a system type installed on the mobile device, and if the fixed data of the mobile device is an android system, acquiring the fixed data of the mobile device comprises: os _ type, brand, model, device _ id, imei, oaid, rom _ capacity, system _ rom _ name; if the loading is the IOS system, the obtained fixed data comprises the following data: os _ type, bridge, model, device _ id, idfa, simulate _ idfa, rom _ capacity, body _ memory.
3. The method of claim 1, wherein the method for generating the device unique ID comprises: and after the fixed data are obtained, MD5 encryption is carried out on each fixed data, the encryption result of each fixed data is obtained, and the coded data of the front fixed number of bits is intercepted.
4. The method as claimed in claim 3, wherein the encoded data intercepted after encrypting each fixed data is converted into binary encoded data, and the binary encoded data is spliced in a preset sorting manner according to the type of the fixed data, so as to obtain the device unique ID of the binary encoding.
5. The method as claimed in claim 1, wherein the server queries the device unique IDs stored in the plurality of storage paths of the mobile device, searches for the device unique ID stored in the server if the device unique ID does not exist, and returns the device unique ID searched by the server to the mobile device.
6. The method of claim 1, wherein the list of key-value pairs comprises: the reported mobile equipment information is a second key value pair list with the key name key and the equipment unique ID as the key value, and the reported mobile equipment information is a first key value pair list with the equipment unique ID as the key value and the key name key.
7. The method as claimed in claim 6, wherein the second key-value pair list is searched according to mobile device information reported by the mobile device, the device unique IDs stored in the second key-value pair list are obtained, and a bloom filter is used to check and determine whether the device unique IDs stored in the second key-value pair list of the server are consistent.
8. The method as claimed in claim 6, wherein the first key-value pair list is searched according to a device unique ID reported by a mobile device, the mobile device information correspondingly stored in the first key-value pair list is obtained, and if the mobile device information changes, the changed mobile device information is updated to the corresponding key value of the first key-value pair list.
9. A mobile device unique ID generation system that stores and applies a mobile device unique ID generation method of any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium applies and stores a mobile device unique ID generation system of claim 9.
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| WO2023061320A1 (en) * | 2021-10-15 | 2023-04-20 | 维沃移动通信有限公司 | Device identifier counterfeiting prevention method and apparatus, and electronic device |
| CN113900907A (en) * | 2021-11-17 | 2022-01-07 | 杭州推啊网络科技有限公司 | Mapping construction method and system |
| CN113900907B (en) * | 2021-11-17 | 2024-01-30 | 杭州推啊网络科技有限公司 | Mapping construction method and system |
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