CN104462285B - A kind of method for secret protection of Information Mobile Service inquiry system - Google Patents
A kind of method for secret protection of Information Mobile Service inquiry system Download PDFInfo
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- CN104462285B CN104462285B CN201410699891.4A CN201410699891A CN104462285B CN 104462285 B CN104462285 B CN 104462285B CN 201410699891 A CN201410699891 A CN 201410699891A CN 104462285 B CN104462285 B CN 104462285B
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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
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2468—Fuzzy queries
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9535—Search customisation based on user profiles and personalisation
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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
- G06F21/606—Protecting data by securing the transmission between two devices or processes
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Abstract
The present invention provides a kind of method for secret protection of Information Mobile Service inquiry system, and user sets in Mobile solution software to privacy protection mode；According to privacy protection mode, fuzzy class is set by user or Mobile solution software；User sends retrieval information request by Mobile solution software to service provider, and Mobile solution software carries out obfuscation according to fuzzy class to retrieval information request, and the retrieval information request of obfuscation is sent into service provider；Service provider is handled the retrieval information request of obfuscation, and the result of information retrieval is returned into Mobile solution software；Mobile solution software is screened to the result of information retrieval, and the desired information of user is returned into user.Using the inventive method, even if retrieval information request is intercepted and captured by attacker, attacker can not also crack the original information inquiry of user easily and be intended to, and this reduces the possibility of user's whereabouts exposure, be effectively protected the inquiry privacy of user.
Description
Technical field
Field is protected the present invention relates to individual privacy, the privacy more particularly, to a kind of Information Mobile Service inquiry system is protected
Maintaining method.
Background technology
Information Mobile Service inquiry system is the necessity of the mobile terminals such as current mobile phone, tablet personal computer application, and it can be with
When gives people offer everywhere, and easily inquiry is serviced and relevent information.For example, inquiring about hospital nearby, restaurant, gas station, business
The location Based services such as field.The service of this type is exactly that the inquiry request of oneself is sent to server by user, and server is again
According to the type service and inquiry request of user, the inquiry data required for user are returned.This service is brought to user
While great convenience, there is also the incomplete defect of secret protection, attacker can intercept and capture the inquiry request content of user,
So it is possible to expose whereabouts and the place to go of user.
The content of the invention
The present invention is to overcome the incomplete defect of secret protection described in above-mentioned prior art effectively to be kept away there is provided one kind
Exempt from the method for secret protection of the Information Mobile Service inquiry system of privacy leakage.
In order to solve the above technical problems, technical scheme is as follows：
A kind of method for secret protection of Information Mobile Service inquiry system, methods described is applied to Information Mobile Service inquiry system, institute
State in Information Mobile Service inquiry system, user sends retrieval information request by Mobile solution software to service provider, and service is carried
The result of supplier's return information retrieval, the described method comprises the following steps：
S1：User sets in Mobile solution software to privacy protection mode；
S2：According to privacy protection mode, fuzzy class is set by user or Mobile solution software；
S3：User by Mobile solution software to service provider send retrieval information request, Mobile solution software according to
Fuzzy class carries out obfuscation to retrieval information request, and the retrieval information request of obfuscation is sent into service provider；
S4：Service provider is handled the retrieval information request of obfuscation, and the result of information retrieval is returned into shifting
Dynamic application software；
S5：Mobile solution software is screened to the result of information retrieval, and the desired information of user is returned into user.
In a kind of preferred scheme, the Mobile solution software is stored with local semantic ambiguity data, local semantic
Obfuscation data are divided into m classes, each class data includes n respectively1, n2..., nmIndividual data, wherein m, n1, n2..., nmFor just
Integer.
In a kind of preferred scheme, in step S3, the Mobile solution software please to retrieval information according to fuzzy class
Ask carry out obfuscation method be：Mobile solution software chooses a number of local semantic ambiguity data according to fuzzy class
It is added in retrieval information request, generation k bar retrieval information requests, k is the integer more than 1.
In a kind of preferred scheme, the privacy protection mode includes User Defined pattern, in User Defined mould
Under formula, user independently sets fuzzy class q, and Mobile solution software sets the inspection sent to service provider according to fuzzy class q
Bar number k, the k=m*q of rope information request, wherein q is positive integer.
In a kind of preferred scheme, the privacy protection mode includes system self-adaption recommendation pattern, adaptive in system
Answer under recommendation pattern, Mobile solution software sets fuzzy class q, Mobile solution software automatically according to the current network condition of user
Bar number k, the k=m*q of the retrieval information request sent to service provider are set according to fuzzy class q, wherein q is positive integer.
In a kind of preferred scheme, the privacy protection mode includes intelligent mode, under intelligent mode, Mobile solution
Both fuzzy class p and user that software is set according to user current network condition s are comprehensive to determine fuzzy class q, it is mobile should
Bar number k, the k=m*q of the retrieval information request sent to service provider, wherein q=(p* are set according to fuzzy class q with software
S)/ɑ, ɑ are constant, and p, s and q are positive integer.
In a kind of preferred scheme, methods described also includes：In step S3, the Mobile solution software is stored with history
Search record, Mobile solution software searches the retrieval information request that user sends in historical search record, if found identical
Retrieval information request, then the desired information of corresponding user is returned into user.
In a kind of preferred scheme, methods described also includes：In step S5, Mobile solution software will retrieve information request
One group of mapping relations, which is generated, with the desired information of user carries out storage to historical search record.
Compared with prior art, the beneficial effect of technical solution of the present invention is：Information Mobile Service inquiry system of the present invention it is hidden
Private guard method, Mobile solution software carries out obfuscation according to fuzzy class to retrieval information request, and by the retrieval of obfuscation
Information request is sent to service provider, even if retrieval information request is intercepted and captured by attacker, attacker can not also crack use easily
The original information inquiry in family is intended to, and this reduces the possibility of user's whereabouts exposure, the inquiry for being effectively protected user is hidden
It is private.
The method for secret protection of Information Mobile Service inquiry system of the present invention, including User Defined pattern, system self-adaption are pushed away
Pattern and intelligent mode are recommended, after the current network condition setting obfuscation of the setting or user that these three patterns can be according to user
The bar number k of information request is retrieved, balance is obtained between network data exchange amount and secret protection intensity；And in the present invention,
Mobile solution software will retrieve information request and the desired information of user generates one group of mapping relations progress storage and arrives historical search
Record, when user sends same retrieval information request again, Mobile solution software is asked without being sent to service provider,
But the desired information of corresponding user is directly returned into user, it reduce further the expense and privacy leakage of network data
Risk.
Brief description of the drawings
Fig. 1 is the local semantic ambiguity nomogram of embodiment 1.
Fig. 2 is the flow chart of the method for secret protection of the Information Mobile Service inquiry system of embodiment 1.
Fig. 3 be User Defined pattern under, the schematic diagram of system self-adaption recommendation pattern and intelligent mode.
Fig. 4 is User Defined pattern and system self-adaption recommendation pattern effect emulation figure.
Fig. 5 is the effect emulation figure of intelligent mode.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, a kind of method for secret protection of Information Mobile Service inquiry system, methods described is looked into applied to Information Mobile Service
In inquiry system, the Information Mobile Service inquiry system, user sends retrieval information by Mobile solution software to service provider please
Ask, the result of service provider return information retrieval, the Mobile solution software is stored with local semantic ambiguity data, such as schemes
Shown in 1, local semantic ambiguity data are divided into m classes, such as do shopping class, amusement and recreation class, service for life class, each class data
It is middle to include n respectively1, n2..., nmContain clothes footwear bag, Jewelry Accessories, food tea, florist's shop in individual data, class of such as doing shopping, its
Middle m, n1, n2..., nmFor positive integer, as shown in Fig. 2 the described method comprises the following steps：
S1：User sets in Mobile solution software to privacy protection mode, and privacy protection mode includes user certainly
Defining mode, system self-adaption recommendation pattern and intelligent mode.
S2：According to privacy protection mode, fuzzy class is set by user or Mobile solution software.
S3：User sends retrieval information request by Mobile solution software to service provider, and the present embodiment please with user
Ask retrieval hospital exemplified by.Mobile solution software be stored with historical search record, Mobile solution software historical search record in look into
The retrieval information request of hospital is looked for, if finding the retrieval information request of hospital, the desired information of corresponding user is returned
To user；If not finding the retrieval information request of hospital, Mobile solution software chooses a number of according to fuzzy class
Local semantic ambiguity data are added in retrieval information request, generation k bar retrieval information requests, and k is the integer more than 1, and
The retrieval information request of obfuscation is sent to service provider, as shown in figure 3, concrete mode is as follows：
Under User Defined pattern, user independently sets fuzzy class q, and Mobile solution software is set according to fuzzy class q
Bar number k, the k=m*q for the retrieval information request that service provider is sent are oriented, wherein q is positive integer；
Under system self-adaption recommendation pattern, setting is fuzzy automatically according to the current network condition of user for Mobile solution software
Grade q, Mobile solution software sets bar the number k, k=m* of the retrieval information request sent to service provider according to fuzzy class q
Q, wherein q are positive integer；
Under intelligent mode, fuzzy class p and user that Mobile solution software is set according to user current network condition s
Both are comprehensive to determine fuzzy class q, and Mobile solution software sets the retrieval information sent to service provider according to fuzzy class q
Bar number k, the k=m*q of request, wherein q=(p*s)/ɑ, ɑ is constant, and p, s and q are positive integer.
If for example, m=3, q=4, then the data of arbitrary extracting 4 in the local semantic ambiguity data of each class, wherein necessary
The hospital position inquired about comprising user, generation k bars retrieval information request, k=m*q=12, wherein except hospital position remaining 11
Bar inquiry is all pseudo- inquiry, accordingly even when retrieval information request is intercepted and captured by attacker, it is former that attacker can not also crack user easily
The information inquiry of beginning is intended to.
S4：Service provider is handled the retrieval information request of obfuscation, and the result of information retrieval is returned into shifting
Dynamic application software；
S5：Mobile solution software is screened to the result of information retrieval, by the desired information of user, the i.e. information of hospital
User is returned to, meanwhile, the retrieval information request of hospital and the information of hospital are generated one group of mapping relations by Mobile solution software
Storage is carried out to historical search record.
The method for secret protection of the present embodiment Information Mobile Service inquiry system can be estimated from the angle of comentropy, for
Methods described, the formula of comentropy is as follows：
Can abbreviation be：, wherein H represents comentropy, and k represents to retrieve the bar number of information request, figure after obfuscation
4 be User Defined pattern and system self-adaption recommendation pattern effect emulation figure, transverse axis be fuzzy class q, span 1 ~ 5,
The longitudinal axis is comentropy H.As seen from Figure 4, with the increase of fuzzy class, comentropy also increases therewith, and this illustrates to obscure
What grade determined pseudo- inquiry obscures degree, obscures that degree is higher, protecting effect of the method for secret protection to real information
Better.
Fig. 5 is the effect emulation figure of intelligent mode, and transverse axis is the fuzzy class p that user sets, span 1 ~ 5, the longitudinal axis
For comentropy H, behalf network condition, span 1 ~ 5.As seen from Figure 5, no matter under which kind of network condition s, with
The fuzzy class p of user's setting lifting, comentropy H is in increasing trend；When the fuzzy class p that user sets is definite value,
With network condition grade s rising, comentropy H also accordingly increases.With reference to this 2 points, Fig. 5 is illustrated, when user is in network rings
In the case that border is good, system voluntarily can provide more preferable secret protection to inquiry request；Conversely, when the network rings residing for user
When border is poor, system can accordingly reduce protection class, exchange the balance of search efficiency for.
The method for secret protection of the present embodiment Information Mobile Service inquiry system, Mobile solution software is according to fuzzy class to retrieval
Information request carries out obfuscation, and the retrieval information request of obfuscation is sent into service provider, even if retrieval information request
Intercepted and captured by attacker, attacker can not also crack the original information inquiry of user easily and be intended to, and this reduces user's whereabouts are sudden and violent
The possibility of dew, is effectively protected the inquiry privacy of user.
The method for secret protection of the present embodiment Information Mobile Service inquiry system, including User Defined pattern, system self-adaption
Recommendation pattern and intelligent mode, the current network condition setting obfuscation of setting or user that these three patterns can be according to user
The bar number k of information request is retrieved afterwards, and balance is obtained between network data exchange amount and secret protection intensity；And the present embodiment
In, Mobile solution software will retrieve information request and user's one group of mapping relations of desired information generation are stored history and searched
Suo Jilu, when user sends same retrieval information request again, Mobile solution software please without being sent to service provider
Ask, but the desired information of corresponding user is directly returned into user, reduce further the expense and privacy of network data
The risk of leakage.
The same or analogous part of same or analogous label correspondence；The term of position relationship is only used for showing described in accompanying drawing
Example property explanation, it is impossible to be interpreted as the limitation to this patent；Obviously, the above embodiment of the present invention is only intended to clearly illustrate this
Invention example, and it is not the restriction to embodiments of the present invention.Come for those of ordinary skill in the art
Say, can also make other changes in different forms on the basis of the above description.There is no need and unable to all
Embodiment be exhaustive.Any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc.,
It should be included within the protection domain of the claims in the present invention.
Claims (7)
1. a kind of method for secret protection of Information Mobile Service inquiry system, methods described is applied to Information Mobile Service inquiry system, described
In Information Mobile Service inquiry system, user sends retrieval information request by Mobile solution software to service provider, and service is provided
The result of square return information retrieval, it is characterised in that the described method comprises the following steps：
S1：User sets in Mobile solution software to privacy protection mode；
S2：According to privacy protection mode, fuzzy class is set by user or Mobile solution software；
S3：User sends retrieval information request by Mobile solution software to service provider, and Mobile solution software is according to fuzzy
Grade carries out obfuscation to retrieval information request, and the retrieval information request of obfuscation is sent into service provider；
S4：Service provider is handled the retrieval information request of obfuscation, and the result of information retrieval is returned into mobile answer
Use software；
S5：Mobile solution software is screened to the result of information retrieval, and the desired information of user is returned into user；
The Mobile solution software is stored with local semantic ambiguity data, and local semantic ambiguity data are divided into m classes, each
N is included in class data respectively1, n2..., nmIndividual data, wherein m, n1, n2..., nmFor positive integer.
2. the method for secret protection of Information Mobile Service inquiry system according to claim 1, it is characterised in that in step S3,
The Mobile solution software according to fuzzy class to retrieval information request carry out obfuscation method be：Mobile solution software according to
Fuzzy class is chosen a number of local semantic ambiguity data and is added in retrieval information request, generation k bar retrieval information
Request, k is the integer more than 1.
3. the method for secret protection of Information Mobile Service inquiry system according to claim 2, it is characterised in that the privacy
Protected mode includes User Defined pattern, and under User Defined pattern, user independently sets fuzzy class q, Mobile solution
Software sets bar number k, the k=m*q of the retrieval information request sent to service provider according to fuzzy class q, and wherein q is just whole
Number.
4. the method for secret protection of Information Mobile Service inquiry system according to claim 2, it is characterised in that the privacy
Protected mode includes system self-adaption recommendation pattern, under system self-adaption recommendation pattern, and Mobile solution software is worked as according to user
Preceding network condition sets fuzzy class q automatically, and Mobile solution software sets what is sent to service provider according to fuzzy class q
Bar number k, the k=m*q of information request are retrieved, wherein q is positive integer.
5. the method for secret protection of Information Mobile Service inquiry system according to claim 2, it is characterised in that the privacy
Protected mode includes intelligent mode, under intelligent mode, and the fuzzy class p and user that Mobile solution software is set according to user work as
Both preceding network condition s are comprehensive to determine fuzzy class q, and Mobile solution software is set to service provider according to fuzzy class q
Bar number k, the k=m*q of the retrieval information request of transmission, wherein q=(p*s)/ɑ, ɑ is constant, and p, s and q are positive integer.
6. the method for secret protection of Information Mobile Service inquiry system according to claim 2, it is characterised in that methods described is also
Including：In step S3, the Mobile solution software be stored with historical search record, Mobile solution software historical search record in
The retrieval information request that user sends is searched, if identical retrieval information request is found, by the desired letter of corresponding user
Breath returns to user.
7. the method for secret protection of Information Mobile Service inquiry system according to claim 6, it is characterised in that methods described is also
Including：In step S5, Mobile solution software will retrieve information request and the desired information of user generates one group of mapping relations and carried out
Store historical search record.
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| CN201410699891.4A CN104462285B (en) | 2014-11-28 | 2014-11-28 | A kind of method for secret protection of Information Mobile Service inquiry system |
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| US10362060B2 (en) * | 2015-12-30 | 2019-07-23 | International Business Machines Corporation | Curtailing search engines from obtaining and controlling information |
| CN107609419B (en) * | 2017-09-12 | 2018-11-13 | 温州大学瓯江学院 | A kind of the browsing preference method for secret protection and system of digital library user |
| CN107871086A (en) * | 2017-10-13 | 2018-04-03 | 平安科技（深圳）有限公司 | Sensitive information screen method, application server and computer-readable recording medium |
| CN109492430A (en) * | 2018-10-30 | 2019-03-19 | 江苏东智数据技术股份有限公司 | A kind of internet Keywork method for secret protection and device based on obfuscated manner |
| CN112711702A (en) * | 2019-10-25 | 2021-04-27 | 华为技术有限公司 | Recommendation method based on user privacy data, and apparatus, medium, and system thereof |
| CN111083631B (en) * | 2019-12-02 | 2020-11-03 | 兰州交通大学 | Efficient query processing method for protecting location privacy and query privacy |
| CN111092871B (en) * | 2019-12-11 | 2021-06-08 | 支付宝(杭州)信息技术有限公司 | Data sharing method and device for personal information protection and electronic equipment |
| CN111143674A (en) * | 2019-12-20 | 2020-05-12 | 深圳前海微众银行股份有限公司 | Data processing method and device |
| CN111414644B (en) * | 2020-03-18 | 2023-01-17 | 支付宝(杭州)信息技术有限公司 | Privacy protection query method based on block chain and block chain system |
| CN111737737A (en) * | 2020-06-10 | 2020-10-02 | 西北工业大学 | Privacy protection method for fine-grained position fuzzy measurement facing mobile crowd sensing |
| CN114598542A (en) * | 2022-03-21 | 2022-06-07 | 深圳市远行科技股份有限公司 | User information security processing method and device, intelligent terminal and storage medium |
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