CN113342854B - Method and system for generating unique ID of mobile equipment - Google Patents

Method and system for generating unique ID of mobile equipment Download PDF

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Publication number
CN113342854B
CN113342854B CN202110685757.9A CN202110685757A CN113342854B CN 113342854 B CN113342854 B CN 113342854B CN 202110685757 A CN202110685757 A CN 202110685757A CN 113342854 B CN113342854 B CN 113342854B
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unique
mobile device
key value
fixed data
value pair
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CN113342854A (en
Inventor
梁友
梁殊炜
郭鹏
吴瑞
刘尖学
周思遥
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Hangzhou Tuia Network Technology Co ltd
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Hangzhou Tuia Network Technology Co ltd
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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
    • 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
    • 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
    • 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
    • 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 device, wherein the fixed data are fixed codes stored in the mobile device; uploading the fixed data to a server, and intercepting coded data with specified digits of each fixed data by the server; splicing the intercepted encoded data to generate a device unique ID with a fixed bit number, 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 two-way inquiring key names in the plurality of key value pair lists, wherein the key names are used for inquiring the unique ID of the equipment and updating fixed data. According to the method and the system, the data searching is carried out in a mode of constructing a plurality of key value pair lists at the server side, and the durability of the unique ID can be ensured by adopting a mode of bidirectional inquiry and updating.

Description

Method and system for generating unique ID of mobile equipment
Technical Field
The present invention relates to the field of internet device identification, and in particular, to a method and system for generating a unique ID of a mobile device.
Background
At present, the unique ID of the mobile phone equipment is used as a mobile phone identity identification, and is particularly important in the scenes of advertisement statistics, user portrait establishment and the like. Limited to the modification of the latest mobile phone system, android devices prohibit related rights acquisition, and apple devices tighten advertisement tracking privacy policies, resulting in failure to acquire device unique IDs. Most of the current alternatives are complex and have low success rate; there is therefore a need for a durable, reliable device unique identification scheme to meet the needs. In the mobile interconnection age, the mobile phone has a default device unique identifier, and different mobile phone devices acquire unique ID schemes. The user can generate a device unique ID by acquiring information provided by a mobile phone system; or on the basis of the prior art, the hardware data of the mobile phone part is mixed to generate the unique identification of the equipment. Android devices typically take the system provided field IMEI or the three-party library field OAID. Apple devices typically implement attribution by combining user history data accumulated by the three-party platform with the idea of generating the system field IDFA. However, the above prior art has the following drawbacks: (1) As mobile phone system versions are promoted, device unique IDs provided by mobile phones are increasingly difficult to obtain, and even are prohibited from being obtained. (2) The mixed data scheme has the problems that the generated uniqueness is difficult to ensure, and a plurality of pieces of equipment information obtain the same equipment information. (3) The generated device ID cannot be persisted, and the user ID data is lost when there is an uninstall App or the cache/garbage is cleared. (4) Each manufacturer realizes data attribution by means of own data, various schemes are mutually independent, information is not communicated, and data closed loop cannot be realized.
Disclosure of Invention
One of the purposes of the invention is to provide a method and a system for generating a unique ID of a mobile device, which acquire a plurality of groups of fixed data of the mobile device, intercept and assemble the fixed data, wherein the fixed data contains a unique identification code for verifying the mobile device, and the unique ID is used for constructing the unique ID, so that the problem of the same device information in a mixed data construction scheme can be avoided, the effect that different mobile devices can acquire the unique ID due to data failure caused by different data attribution schemes is satisfied, and the method and the system have wide applicability.
The invention further aims to provide a method and a system for generating the unique ID of the mobile equipment, which are used for searching data by constructing a plurality of key value pair lists at a server end and ensuring the durability of the unique ID by adopting a bidirectional inquiry and updating mode.
Another object of the present invention is to provide a method and a system for generating a unique ID of a mobile device, which use bloom filter to find an accurate ID in a server, so as to avoid the problem of inaccurate identification caused by data comparison.
Another object of the present invention is to provide a method and system for generating a unique ID of a mobile device, which converts acquired fixed data into a binary queue so that the unique ID can be rapidly queried.
In order 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 device, wherein the fixed data are fixed codes stored in the mobile device;
uploading the fixed data to a server, and intercepting coded data with specified digits of each fixed data by the server;
splicing the intercepted encoded data to generate a device unique ID with a fixed bit number, 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 two-way inquiring key names in the plurality of key value pair lists, wherein the key names are used for inquiring the unique ID of the equipment and updating fixed data.
According to one preferred embodiment of the present invention, when obtaining the fixed data of the mobile terminal, determining the system type carried by the mobile terminal, if the system type is an android system, obtaining the fixed data of the mobile device includes: os_type, brand, model, device_id, imei, oaid, rom_capability, system_rom_name; if the mount is an IOS system, the obtained fixed data includes: os_type, brand, model, device_id, idfa, size_idfa, rom_capability, 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, carrying out MD5 encryption on each fixed data, obtaining an encryption result of each fixed data, and intercepting the coded data with the fixed digits before.
According to a preferred embodiment of the present invention, the encrypted and intercepted encoded data of each fixed data is converted into binary encoded data, and the binary encoded data is spliced according to the fixed data types in a preset ordering manner, so as to obtain the unique ID of the binary encoded device.
According to another preferred embodiment of the present invention, the server queries the device unique IDs stored in a plurality of storage paths of the mobile device, if not, searches the device unique IDs stored by the server itself, and returns the device unique IDs searched by the server to the mobile device.
According to another preferred embodiment of the present invention, the key-value pair list includes: the reported mobile equipment information is a key name key, the equipment unique ID is a second key value pair list of the key value, and the equipment unique ID is a first key value pair list of 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 under the second key value pair list is obtained, and the bloom filter is adopted to check and determine whether the device unique ID stored under 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 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.
In order to achieve at least one of the above objects, the present invention further provides a mobile device unique ID generation system that stores and applies the above-described mobile device unique ID generation method.
The present invention further provides a computer-readable storage medium that applies and stores a mobile device unique ID generation system as described above.
Drawings
Fig. 1 is a schematic flow chart of a method for generating a unique ID of a mobile device according to the present invention.
FIG. 2 shows a schematic representation of a bloom filter of the present invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention 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 will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" 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, where the method and the system can solve the problem of stability and durability of the unique ID in the existing mobile device, and the specific method is as follows:
the server side configures capturing parameters for capturing specific fixed data from the mobile device side, and it should be noted that the fixed data configures relatively fixed coding data for a system or a device of the mobile device, and because the systems carried by different devices are different, the types of the stored fixed data are different, for example, the fixed data stored by the android system include: os_type, brand, model, device_id, imei, oaid, rom_capability, system_rom_name;8 pieces of fixed data, the 8 pieces of fixed data being main data that can be used to identify the identity of the mobile device, for example, the fixed data of the IOS system includes: in a preferred embodiment of the present invention, at least 2 of 8 data are obtained as data to be encoded to perform encoding of a device unique ID, and the above 8 fixed data are encoded at the same time, so that the uniqueness of the data can be effectively guaranteed. The device_id is fixed data in two mounting systems among the above 8 fixed data, and when the data is encoded, the present invention must encode the data in the device_id field into the device unique ID, wherein the device_id data includes: oaid, imei and UUID, when oaid is null, the value imei is given, if imei is null, the value UUID is given, and if UUID is null, a random string is generated, so that no matter what kind of fixed data is carried by the mobile device, it can be ensured that different mobile devices are identified as unique IDs.
It should be noted that, after the above 8 pieces of fixed data are obtained, MD5 encryption is adopted, and the server obtains the above 8 pieces of encrypted fixed data and then converts the encrypted 8 pieces of fixed data into binary data, and encodes the first 16 bits of data of each piece of fixed data, and then splices the binary data of each piece of fixed data, where the manner of splicing can be performed according to a preset splicing order rule, for example, the following field order can be adopted for splicing: os_type, brand, model, device_id, imei, oaid, rom_capability, 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. The above-described device unique ID can effectively secure the uniqueness of the identification data.
After the server calculates and acquires the unique device ID, a first key value pair list and a second key value queue list are constructed, and the unique device ID and the mobile device information 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 which is stored in the second key value pair list. And the mobile equipment information reported by taking the equipment unique ID as a key name key is stored in the first key value pair list as a key value. The server returns the generated device unique ID to the mobile device and stores the device unique ID in a plurality of appointed storage paths, wherein the storage paths comprise: the device applies the cache path, stores the application path inside the device, and stores the path outside the device. For improving the probability of success in identifying a unique ID of a mobile device. The mobile device can be identified even if the corresponding APP in the device is deleted.
After the device unique ID is stored in the mobile device, uploading the reported mobile device information and the device unique ID stored in the server together in the next interaction process with the server, and performing bidirectional inquiry on the reported mobile device information and the device unique ID by the server to find out whether the device unique 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, searches the key value stored under the key name after the same key name is matched, the key value is mobile device information, if the same key name exists, the key value indicates that the search is successful, and judges whether the mobile device information reported under the corresponding device unique ID is consistent with the stored mobile device information, if the mobile device information is consistent with the stored mobile device information, the mobile device information is not stored, and if the mobile device information is inconsistent with the stored mobile device information, the reported mobile device information is updated in the key value under the key name of the device unique ID. It should be noted that, the mobile device information includes the above 8 pieces of fixed data and other interactive data. In the actual process, the unique device IDs stored in a plurality of storage paths in the mobile phone are required to be searched, and if the unique device ID exists in one storage path, the unique device ID is further bound with the mobile device information for uploading. And when all the storage paths do not inquire the unique ID of the equipment, inquiring and acquiring the unique ID of the equipment according to the information of the reported mobile equipment, and returning the unique ID of the equipment 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 of the mobile device is not matched in the updating process, the invention further adopts a bidirectional inquiry updating mode to store the unique device ID which is inquired and stored in the corresponding list of the server. Specifically: after acquiring the device information reported by the mobile device, searching the device information stored in the first key value pair list through the device unique ID reported at the same time, encrypting 8 pieces of the fixed data md5 acquired from the reported device information, converting the encrypted fixed data md5 into binary data, splicing the data codes of 16 bits before the binary data are intercepted according to a preset splicing rule, generating an updated device unique ID, wherein the updated device unique ID queries 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 queried in the second key value pair list, directly using the device unique ID, and if the updated device unique ID does not exist, re-acquiring the device information reported by the mobile device and the device unique ID for data updating and storing.
The method for searching the unique device by bloom filtering is mainly implemented by adopting a bitmap method, please refer to fig. 2, wherein the bloom filter can set the size of bitmap arrays, each bitmap array has only 0 and 1 states, each bitmap array occupies one position, 128 independent hash functions can be generated when the bitmap arrays are set to 128, 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 is calculated, if all bitmap arrays are 1, the condition that the same device unique ID exists in a second key value pair list is indicated, if the value of at least one bitmap array is not 1, the corresponding device unique ID does not exist in the second key value pair list, and the generation and the storage of the device unique ID need to be restarted.
In particular, according to embodiments of the present disclosure, the processes described above with reference to 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 shown in the flowcharts. In such embodiments, the computer program may be downloaded and installed from a network via a communication portion, and/or installed from a removable medium. The above-described functions defined in the method of the present application are performed when the computer program is executed by a Central Processing Unit (CPU). It should be noted that the computer readable medium described 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 can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. 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 context of this document, 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 the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. 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, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowcharts 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 shown in the drawings are merely illustrative and not restrictive of the current invention, and that this invention has been shown and described with respect to the functional and structural principles thereof, without departing from such principles, and that any modifications or adaptations of the embodiments of the invention may be possible and practical.

Claims (8)

1. A method for generating a unique ID of a mobile device, the method comprising the steps of:
acquiring a plurality of fixed data of the mobile device, wherein the fixed data are fixed codes stored in the mobile device;
uploading the fixed data to a server, and intercepting coded data with specified digits of each fixed data by the server;
splicing the intercepted encoded data to generate a device unique ID with fixed digits, 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;
bidirectional inquiring key names in a plurality of key value pair lists, wherein the key names are used for inquiring the unique ID of the equipment and updating fixed data;
in the second key value pair list, the reported mobile equipment information is a key name key, the equipment unique ID is a key value which is stored in the second key value pair list, and the reported mobile equipment information is a key value which is stored in the first key value pair list by taking the equipment unique ID as the key name key;
searching the second key value pair list according to mobile equipment information reported by mobile equipment, acquiring equipment unique IDs stored under the second key value pair list, searching and judging whether the equipment unique IDs stored under the second key value pair list of a server are consistent by adopting a bloom filter, calculating whether all bitmap array states are 1 when the equipment unique IDs are input into the bloom filter, and if all bitmap arrays are 1, indicating that the same equipment unique IDs exist in the second key value pair list.
2. The method for generating a unique ID of a mobile device according to claim 1, wherein when obtaining fixed data of the mobile device, determining a system type carried by the mobile device, and if the system is an android system, obtaining the fixed data of the mobile device includes: os_type, brand, model, device_id, imei, oaid, rom_capability, system_rom_name, and if the mount is an IOS system, the fixed data acquired includes: os_type, brand, model, device_id, idfa, size_idfa, rom_capability, body_memory.
3. The method for generating a unique ID of a mobile device according to claim 1, wherein the method for generating a unique ID of a device comprises: and after the fixed data are obtained, carrying out MD5 encryption on each fixed data, obtaining an encryption result of each fixed data, and intercepting the coded data with the fixed digits before.
4. A method for generating a unique ID of a mobile device according to claim 3, wherein the encrypted and intercepted encoded data of each fixed data is converted into binary encoded data, and the binary encoded data are spliced in a preset ordering manner according to the fixed data type, so as to obtain the unique ID of the binary encoded device.
5. The method for generating a mobile device unique ID according to claim 1, wherein the server searches for device unique IDs stored in a plurality of storage paths of the mobile device, and if the device unique IDs do not exist, searches for the device unique IDs stored in the server itself, and returns the device unique IDs searched by the server to the mobile device.
6. The method for generating a mobile device unique ID according to claim 1, wherein the first key value pair list is searched according to a device unique ID reported by a mobile device, mobile device information stored in the first key value pair list is obtained, and if the mobile device information changes, the changed mobile device information is updated in a corresponding key value of the first key value pair list.
7. A mobile device unique ID generation system which stores and applies a mobile device unique ID generation method according to any one of the preceding claims 1-6.
8. A computer readable storage medium, wherein the computer readable storage medium applies and stores a mobile device unique ID generation system as claimed in claim 7.
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CN113518146B (en) * 2021-09-14 2021-12-03 云账户技术(天津)有限公司 Method and device for acquiring mobile terminal information
CN113923190B (en) * 2021-09-15 2023-11-28 北京达佳互联信息技术有限公司 Equipment identification jump identification method and device, server and storage medium
CN113901417B (en) * 2021-10-09 2024-01-30 中原银行股份有限公司 Mobile device fingerprint generation method and readable storage medium
CN113938878A (en) * 2021-10-15 2022-01-14 维沃移动通信有限公司 Equipment identifier anti-counterfeiting method and device and electronic equipment
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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CN109743160A (en) * 2018-12-20 2019-05-10 深圳市任子行科技开发有限公司 Prevent the Android device unique identification acquisition methods and device of Hook falsification
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