CN103906039A - Method and device for preventing leakage of mobile phone numbers - Google Patents
Method and device for preventing leakage of mobile phone numbers Download PDFInfo
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- CN103906039A CN103906039A CN201210578286.2A CN201210578286A CN103906039A CN 103906039 A CN103906039 A CN 103906039A CN 201210578286 A CN201210578286 A CN 201210578286A CN 103906039 A CN103906039 A CN 103906039A
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Abstract
The invention discloses a method and device for preventing the leakage of mobile phone numbers. The method includes: according to preset segmentation rules, mobile phone numbers to be protected are segmented into N number segments; a mapping table that each of the N number segments corresponds to is inquired, thereby obtaining a mapping value that each of the N number segments corresponds to; the digit of the mapping value that each of the N number segments corresponds to is equal to the digit of the numbers of the number segments; and the obtained mapping value that each of the N number segments corresponds to is combined to be privacy-removing numbers of the mobile phone numbers to be protected. The method and device in the invention performs segmentation processing on the mobile phone numbers to obtain the mobile phone mapping values of the same digit, overcomes the problem that the digit is changed after existing mobile phone numbers are encrypted, and provides a method for privacy-removing processing of the mobile phone numbers in the circumstance of not changing the length of the mobile phone numbers, and balance adjustment can be performed between decoding costs and influence of the size of the mapping table on operating performance of a system.
Description
Technical field
The present invention relates to field of information security technology, relate in particular to a kind of method and apparatus that prevents that phone number from revealing.
Background technology
At present, in operation analysis system, can carry out data analysis excavation and Knowledge Discovery by the creation data information to magnanimity.Traditional data analysis digging technology, in finding knowledge, has brought threat also to the privacy of data, wherein just comprises client's phone number information.
Occur that at present some go privacy processing method for phone number.These methods convert phone number A to phone number A ' by data replacement algorithm or DEA etc., and A ' has lost phone number characteristic.After going privacy to process, can reach to a certain extent the object of protection customer privacy, go privacyization data after treatment also can meet data operation simultaneously.
But existing phone number goes privacy methods to have following defect: the mapping value content after encrypting by cryptographic algorithm can change compared with original text length, generally can be elongated, can make like this data warehouse storage become large, increase cost.
Summary of the invention
In order to solve the above-mentioned defect existing in prior art, the present invention proposes a kind of method and device that prevents that phone number from revealing, and can, under the condition of storage that does not increase data warehouse, generate and remove privacy phone number.
One aspect of the present invention, provides a kind of method that prevents that phone number from revealing, and comprises the following steps:
According to default chopping rule, phone number to be protected is divided into N number segment, described N is more than or equal to 1 and be less than or equal to the positive integer of phone number figure place;
Inquire about respectively each the corresponding mapping table in a described N number segment, obtain each the corresponding mapping value in a described N number segment; Wherein, in each the corresponding mapping table in a described N number segment, store: the number of number segment and the unique corresponding relation of mapping value, and the figure place of described mapping value equals the number length of number segment;
What each the corresponding mapping value in described N the number segment obtaining was combined as to described phone number to be protected removes privacy number.
What the embodiment of the present invention proposed prevents the method that phone number is revealed, and is the mobile phone mapping value of phone number being carried out to segment processing and obtains identical figure place.Thereby make up the problem that can cause figure place to change after existing phone number is encrypted, the method for carrying out phone number in phone number length situation and go privacy processing not changing is provided.And the benefit of phone number segment processing is, can between the size of decoding cost and mapping table is on the impact of system performance, carry out balanced adjustment.
As technique scheme preferably, inquire about respectively each the corresponding mapping table in a described N number segment, the step that obtains each the corresponding mapping value in a described N number segment comprises:
Inquire about respectively the mapping table that each in a described N number segment is corresponding, have identical version number, obtain each the corresponding mapping value in a described N number segment, wherein, at least one in each the corresponding mapping value in a described N number segment comprises described version number.In this scheme, go privacy number to there is version number, can conveniently manage and switch version, improve fail safe.
As technique scheme preferably, described method also comprises: will described in go privacy number to change version, described described step of going privacy number to change version is comprised:
Described in extraction, go to the version number comprising in privacy number;
According to default chopping rule, will described in go privacy number to be divided into N mapping value section, described N is more than or equal to 1 and be less than or equal to the integer of phone number figure place;
Inquire about respectively each mapping table corresponding to corresponding, described version number in described N mapping value section, obtain each the corresponding number in described N mapping value section;
Inquire about respectively each corresponding, target version this shop the is corresponding mapping table in described N mapping value section, obtain the corresponding new mapping value of each corresponding number in described N mapping value section;
Each corresponding new mapping value in described N the number segment obtaining is combined as to change and removes privacy number after version.
This scheme provides the method that changes version, can directly will go privacy number to be updated to redaction from current version, need not reduce processing.
As technique scheme preferably, described basis is preset chopping rule, the step that phone number to be protected is divided into N number segment comprises:
Phone number to be protected is divided into two number segments, and wherein, first four of described phone number to be protected is in described two number segments one, and latter seven of described phone number to be protected is another in described two number segments.
This programme is to consider the optimal segmentation mode of decoding after cost and system performance equilibrium.
Another aspect of the present invention, provides a kind of device that prevents that phone number from revealing, and comprising:
Segmentation module, for according to default chopping rule, is divided into N number segment by phone number to be protected, and described N is more than or equal to 1 and be less than or equal to the positive integer of phone number figure place;
Enquiry module, for inquiring about respectively each corresponding mapping table of a described N number segment, obtains each the corresponding mapping value in a described N number segment; Wherein, in each the corresponding mapping table in a described N number segment, store: the number of number segment and the unique corresponding relation of mapping value, and the figure place of described mapping value equals the number length of number segment;
Privacy number module is gone in generation, removes privacy number for what each the corresponding mapping value of described N number segment obtaining is combined as to described phone number to be protected.
As technique scheme preferably, described enquiry module also for:
Inquire about respectively the mapping table that each in a described N number segment is corresponding, have identical version number, obtain each the corresponding mapping value in a described N number segment, wherein, at least one in each the corresponding mapping value in a described N number segment comprises described version number.
As technique scheme preferably, described device also comprises and changes version module, for:
Described in extraction, go to the version number comprising in privacy number;
According to default chopping rule, will described in go privacy number to be divided into N mapping value section, described N is more than or equal to 1 and be less than or equal to the integer of phone number figure place;
Mapping table corresponding to version number of notifying that described enquiry module inquires about respectively that each in described N mapping value section is corresponding, comprising in privacy number, obtains each the corresponding number in described N mapping value section; Inquire about respectively each corresponding, target version this shop the is corresponding mapping table in described N mapping value section, obtain the corresponding new mapping value of each corresponding number in described N mapping value section;
Each corresponding new mapping value in described N the number segment obtaining is combined as to change and removes privacy number after version.
As technique scheme preferably, described segmentation module is used for:
Phone number to be protected is divided into two number segments, and wherein, first four of described phone number to be protected is in described two number segments one, and latter seven of described phone number to be protected is another in described two number segments.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in write specification, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the method that prevents phone number leakage of preferred embodiment of the present invention proposition;
Fig. 2 is the flow chart of the method that prevents phone number leakage of the present invention's one specific embodiment proposition;
Fig. 3 is the flow chart of the version updating in preventing of proposing of another specific embodiment of the present invention method that phone number reveals;
Fig. 4 is the structural representation of the device that prevents phone number leakage of preferred embodiment of the present invention proposition;
Fig. 5 be the present invention one specific embodiment propose prevent phone number reveal device in the mutual flow chart of each module.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of method that prevents that phone number from revealing that the preferred embodiment of the present invention proposes, comprises the following steps:
Step S11: according to default chopping rule, phone number to be protected is divided into N number segment, described N is more than or equal to 1 and be less than or equal to the positive integer of phone number figure place;
Step S12: inquire about respectively each the corresponding mapping table in a described N number segment, obtain each the corresponding mapping value in a described N number segment; Wherein, in each the corresponding mapping table in a described N number segment, store: the number of number segment and the unique corresponding relation of mapping value, and the figure place of described mapping value equals the number length of number segment;
Step S13: what each the corresponding mapping value in described N the number segment obtaining was combined as to described phone number to be protected removes privacy number.
What the embodiment of the present invention proposed prevents the method that phone number is revealed, and is the mapping value of phone number being carried out to segment processing and obtains identical figure place, and mapping value is combined as to privacy number.Make up the problem that can cause figure place to change after existing phone number is encrypted, the method for carrying out phone number in phone number length situation and go privacy processing not changing is provided.And the benefit of phone number segment processing is, can between the size of decoding cost and mapping table is on the impact of system performance, carry out balanced adjustment.
Below, the method that phone number is revealed that prevents by specific embodiment, the present invention being proposed is elaborated.
As shown in Figure 2, in this embodiment, default chopping rule is specific embodiment one: using phone number to be protected front 4 as number section, using phone number to be protected rear 7 as number segment.And the going of generation has version information in privacy number.The method can comprise the following steps:
Step S21: generate number section mapping table.
In this step, for the number section of different phone numbers generates corresponding number section mapping value, and the corresponding relation that records number section and number section mapping value is kept in mapping table, thereby generates number section mapping table.
Wherein, the method that generates number section mapping value for different number sections is: for a number segment, generate at random mapping value predetermined number, three numeral compositions, and be the version number that each mapping value is distributed one digit number; Then, respectively by predetermined number, that comprise version number to each version number and the mapping value combination producing corresponding with version number, the number section mapping value corresponding with described number section only.Consider that current phone number first place is all 1, therefore the first place of number section mapping value is made as to version number, latter three is the mapping value of three numeral compositions corresponding to this version number.
For example, for number section " 1386 ", 8 of random generations, the mapping value that formed by three numerals: 123,756,987,624,369,875,852,634, then, 2-9 is distributed to respectively to 8 mapping value as version number, the number section mapping value that version number and 8 of mapping value combination producings are comprised to version number: 2123,3756,4987,5624,6369,7875,8852,9261, wherein, first of each number section mapping value is version number, and latter three is the random mapping value generating.
The mapping value of the same version number of different number sections is kept in a mapping table.Therefore, for number section, to the mapping table that should have 8 to there is different editions number.
Certainly, multiple versions also can be set, only generate a mapping table for number section.
The benefit that the mapping table of multiple versions is set is, when going in situation that privacy number may be cracked of existing version, can be rapidly for going privacy number to change version, and without regenerating mapping table.
Preferably, three numerals of above-mentioned composition mapping value are unduplicated three numerals preferably, improve and decode difficulty.
Step S22: generate number segment mapping table.
In this step, for the number segment of different phone numbers generates corresponding number segment mapping value, and and the corresponding relation that records number segment and number segment mapping value be kept in mapping table, thereby generate number segment mapping table.
While generating number segment mapping value, can adopt exhaustive compute mode, by any seven unduplicated numerals carry out exhaustive after, distribute to respectively each number segment as number segment mapping value, make number segment and number segment mapping value there is each other unique corresponding relation.
Because seven bit digital after exhaustive may be just identical with numeral and numeric sorting in number segment, therefore, preferably, during by the exhaustive number assigned section of seven figure places, preferably guarantee that itself and number segment are inconsistent.
In the time that the number section mapping table in step S21 has multiple version, number segment mapping table also should correspondingly generate multiple versions, with corresponding with number section.The method that generates the number segment mapping table of multiple versions is to repeat the step of a number segment mapping table of above-mentioned generation.
Those skilled in the art will appreciate that the sequencing of above-mentioned two steps indefinite, can also carry out simultaneously.
In other embodiments of the invention, can, not by phone number segmentation (when N=1), also phone number can be divided into more than three sections or three sections.
In the embodiment of the present invention, the figure place of number section and number segment is selected mainly based on following consideration:
Consider and decode cost and system performance equilibrium, using after phone number 7 as a number segment, like this, 7 powers that the operand while generating mapping table is 10, like this, the size of mapping table exhaustive cost little on systematic function impact and while decoding is larger.First 4 of remaining phone number does number section.
Carry out in advance after step S21 and step S22, just there is number section mapping table and number segment mapping table, wherein stored each number section, mapping value corresponding to number segment difference.In the time that needs go privacy to process to certain phone number to be protected, carry out following steps.
Step S23: using phone number to be protected front four as number section, using described phone number to be protected rear seven as number segment.
Step S24: inquiry number section mapping table, obtains number section mapping value corresponding with the number section of described phone number to be protected, that 4-digit number forms.
In the time that number section mapping table has version number, before this step, also should specify the version number of the mapping table that will inquire about, also can set at random the version number of the mapping table that will inquire about.
Step S25: enquiry number section mapping table, obtains number segment mapping value corresponding with the number segment of described phone number to be protected, that seven bit digital form.
In the time that number mapping table has version number, can inquire about corresponding number mapping table according to the version number of the version number of the mapping table that will inquire about of above-mentioned appointment or the random mapping table that will inquire about of setting.
The sequencing of above-mentioned steps 24 and step 25 indefinite can also be carried out simultaneously.
Step S26: what described number section mapping value and number segment mapping value were combined as to described phone number to be protected removes privacy number.
For example, for phone number A (13861392328), obtain by step S24 the number section mapping value " 9261 " that version number corresponding to number section " 1386 " is 9, the number segment mapping value " 3728103 " that is 9 by version number corresponding to step S25 acquisition number segment " 1392328 ".Therefore, the privacy number that goes after combination is " 92613728103 ".Can find out, go privacy number to lose phone number feature, in the situation that illegally obtaining or exposing, can reach protection phone number, prevent the object that phone number is revealed.
In the present embodiment, the length of removing privacy number of generation is identical with phone number, and has added therein version information, is convenient to the version change that carries out to removing privacy number.
As shown in Figure 3, when having obtained the going after privacy number of phone number to be protected, while needing to go privacy number to carry out version change, this method that prevents that phone number from revealing can also comprise the following steps specific embodiment two:
Step S31: the version number comprising in privacy number is gone in extraction;
Step S32: will described in go privacy number to be divided into: the number mapping value sections of front 4 numeral compositions, the number mapping value sections of rear 7 numeral compositions;
Step S33: number section mapping table corresponding to version number that query steps 31 is extracted, obtains the corresponding number section of number mapping value section;
Step S34: the number section mapping table that query aim version number is corresponding, the new number section mapping value of acquisition number section correspondence;
Step S35: number segment mapping table corresponding to version number that query steps 31 is extracted, obtains the corresponding number segment of number mapping value section;
Step S36: the number section mapping table that query aim version number is corresponding, obtains new number segment mapping value corresponding to number segment;
Step S37: new number section mapping value and new number segment mapping value are combined as to change and remove privacy number after version.
The execution sequence that above-mentioned steps S33-step S34 and step S35-step S36 do not limit can be carried out simultaneously.
The present embodiment has been realized: under the scene of switching at version, by going version information in privacy number to identify fast the mapping table version of current use, then obtain former phone number according to the mapping table of current use, obtain the mapping value of the target version of former phone number according to the mapping table of target version, realized version map function fast.
Correspondingly, the present invention proposes a kind of device that prevents that phone number from revealing, and as shown in Figure 4, comprising:
Preferably, described enquiry module 402 also for:
Inquire about respectively the mapping table that each in a described N number segment is corresponding, have identical version number, obtain each the corresponding mapping value in a described N number segment, wherein, at least one in each the corresponding mapping value in a described N number segment comprises described version number.
Preferably, described device also comprises change version module, for:
Described in extraction, go to the version number comprising in privacy number;
According to default chopping rule, will described in go privacy number to be divided into N mapping value section, described N is more than or equal to 1 and be less than or equal to the integer of phone number figure place;
Mapping table corresponding to version number of notifying that described enquiry module 402 inquires about respectively that each in described N mapping value section is corresponding, comprising in privacy number, obtains each the corresponding number in described N mapping value section; Inquire about respectively each corresponding, target version this shop the is corresponding mapping table in described N mapping value section, obtain the corresponding new mapping value of each corresponding number in described N mapping value section;
Each corresponding new mapping value in described N the number segment obtaining is combined as to change and removes privacy number after version.
Preferably, described segmentation module 401 for:
Phone number to be protected is divided into two number segments, and wherein, first four of described phone number to be protected is in described two number segments one, and latter seven of described phone number to be protected is another in described two number segments.
Specifically to implement two-part method in one as example, in conjunction with Fig. 5, illustrate phone number to be protected and be converted into privacy number, and carry out the idiographic flow of version change below:
Step 1, submits to segmentation module by phone number;
Step 2, segmentation module proposes the request of 7 corresponding number segment mapping value after the request of inquiry mobile phone number front 4 corresponding number section mapping value and inquiry mobile phone number to enquiry module;
Step 3, enquiry module is inquired about respectively corresponding number section mapping value and number segment mapping value;
Step 4, enquiry module is to removing privacy number generation module output Query Result;
Step 6, goes privacy number need to carry out version change, submits to and goes privacy number to changing version module;
Step 7, changes version module and sends inquiry current version and go number section mapping value in privacy number and target version number section mapping value corresponding to number segment mapping value and the request of number segment mapping value;
Step 8, enquiry module inquiry current version goes number section mapping value and corresponding target version number section mapping value and the number segment mapping value of number segment mapping value in privacy number;
Step 9, enquiry module returns to Query Result to changing version module;
Step 10, that changes that version module generates redaction removes privacy number.
The present invention has made up the problem that can cause figure place to change after existing data encryption technology application is encrypted for phone number.And go privacy number in the situation that data space does not change, except original contents, also comprised version information, be conducive to the version management of privacy number.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (8)
1. prevent the method that phone number is revealed, it is characterized in that, comprise the following steps:
According to default chopping rule, phone number to be protected is divided into N number segment, described N is more than or equal to 1 and be less than or equal to the positive integer of phone number figure place;
Inquire about respectively each the corresponding mapping table in a described N number segment, obtain each the corresponding mapping value in a described N number segment; Wherein, in each the corresponding mapping table in a described N number segment, store: the number of number segment and the unique corresponding relation of mapping value, and the figure place of described mapping value equals the number length of number segment;
What each the corresponding mapping value in described N the number segment obtaining was combined as to described phone number to be protected removes privacy number.
2. method according to claim 1, is characterized in that, inquires about respectively each the corresponding mapping table in a described N number segment, and the step that obtains each the corresponding mapping value in a described N number segment comprises:
Inquire about respectively the mapping table that each in a described N number segment is corresponding, have identical version number, obtain each the corresponding mapping value in a described N number segment, wherein, at least one in each the corresponding mapping value in a described N number segment comprises described version number.
3. method according to claim 2, is characterized in that, described method also comprises: will described in go privacy number to change version, describedly go privacy number to change the step of version to comprise by described:
Described in extraction, go to the version number comprising in privacy number;
According to default chopping rule, will described in go privacy number to be divided into N mapping value section, described N is more than or equal to 1 and be less than or equal to the integer of phone number figure place;
Inquire about respectively each mapping table corresponding to corresponding, described version number in described N mapping value section, obtain each the corresponding number in described N mapping value section;
Inquire about respectively each corresponding, target version this shop the is corresponding mapping table in described N mapping value section, obtain the corresponding new mapping value of each corresponding number in described N mapping value section;
Each corresponding new mapping value in described N the number segment obtaining is combined as to change and removes privacy number after version.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described basis is preset chopping rule, and the step that phone number to be protected is divided into N number segment comprises:
Phone number to be protected is divided into two number segments, and wherein, first four of described phone number to be protected is in described two number segments one, and latter seven of described phone number to be protected is another in described two number segments.
5. prevent the device that phone number is revealed, it is characterized in that, comprising:
Segmentation module, for according to default chopping rule, is divided into N number segment by phone number to be protected, and described N is more than or equal to 1 and be less than or equal to the positive integer of phone number figure place;
Enquiry module, for inquiring about respectively each corresponding mapping table of a described N number segment, obtains each the corresponding mapping value in a described N number segment; Wherein, in each the corresponding mapping table in a described N number segment, store: the number of number segment and the unique corresponding relation of mapping value, and the figure place of described mapping value equals the number length of number segment;
Privacy number module is gone in generation, removes privacy number for what each the corresponding mapping value of described N number segment obtaining is combined as to described phone number to be protected.
6. device according to claim 5, is characterized in that, described enquiry module also for:
Inquire about respectively the mapping table that each in a described N number segment is corresponding, have identical version number, obtain each the corresponding mapping value in a described N number segment, wherein, at least one in each the corresponding mapping value in a described N number segment comprises described version number.
7. device according to claim 6, is characterized in that, described device also comprises change version module, for:
Described in extraction, go to the version number comprising in privacy number;
According to default chopping rule, will described in go privacy number to be divided into N mapping value section, described N is more than or equal to 1 and be less than or equal to the integer of phone number figure place;
Mapping table corresponding to version number of notifying that described enquiry module inquires about respectively that each in described N mapping value section is corresponding, comprising in privacy number, obtains each the corresponding number in described N mapping value section; Inquire about respectively each corresponding, target version this shop the is corresponding mapping table in described N mapping value section, obtain the corresponding new mapping value of each corresponding number in described N mapping value section;
Each corresponding new mapping value in described N the number segment obtaining is combined as to change and removes privacy number after version.
8. according to the device described in any one in claim 5-7, it is characterized in that, described segmentation module is used for:
Phone number to be protected is divided into two number segments, and wherein, first four of described phone number to be protected is in described two number segments one, and latter seven of described phone number to be protected is another in described two number segments.
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| CN107835073A (en) * | 2017-12-15 | 2018-03-23 | 卫盈联信息技术（深圳）有限公司 | The encryption and decryption method of multiple digital bits number and encryption, decryption server |
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| CN109711189A (en) * | 2018-12-19 | 2019-05-03 | 上海晶赞融宣科技有限公司 | Data desensitization method and device, storage medium, terminal |
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