CN104573661A - Fingerprint data processing method and device - Google Patents
Fingerprint data processing method and device Download PDFInfo
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- CN104573661A CN104573661A CN201510016537.1A CN201510016537A CN104573661A CN 104573661 A CN104573661 A CN 104573661A CN 201510016537 A CN201510016537 A CN 201510016537A CN 104573661 A CN104573661 A CN 104573661A
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Abstract
The invention discloses a fingerprint data processing method and device. The fingerprint data processing method comprises the steps that a fingerprint image is collected by a fingerprint module; the fingerprint module processes the fingerprint image to obtain a fingerprint template; the fingerprint module sends the fingerprint template to a smart card through a terminal, and fingerprint comparison is conducted by the smart card according to the fingerprint template. By means of the fingerprint data processing method and device, the problem of insecurity of the smart card caused by fingerprint identification is solved, and the effect of improving the security of the smart card is achieved.
Description
Technical field
The present invention relates to fingerprint recognition field, in particular to a kind of data processing method and device of fingerprint.
Background technology
Along with fingerprint identification technology is more and more ripe, also start to develop to different application scenarioss, apply from early stage fingerprint attendance machine, door access machine, fingerprint verification instrument, fingerprint collecting etc., start to be extended to integrated fingerprint recognition technology on the mobile device such as mobile phone, flat board, but this kind of application is more or gather fingerprint characteristic is kept in equipment or sets up authentication center, cause the depositing of fingerprint characteristic data, the transmitting procedure of characteristic all exists risk.
Such as, be applied in the fingerprint identification technology of smart card, that the fingerprint template gathered in advance is preserved within a smart card, then fingerprint template is sent on fingerprint POS machine, by the fingerprint of fingerprint POS machine collection site user, obtain another one template, fingerprint POS machine is compared to these two fingerprint templates, utilize the comparison result of two fingerprint templates owner that whether authentication of users is smart card.
When utilizing said method to carry out fingerprint recognition checking, the fingerprint template prestored within a smart card is needed to be issued on fingerprint POS machine, compare in fingerprint POS machine, this just causes fingerprint template easily to be revealed after being issued to fingerprint POS machine, reduces the security of smart card.
Causing smart card unsafe problem when verifying for utilizing fingerprint in prior art, not yet proposing effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is the data processing method and the device that provide a kind of fingerprint, causes smart card unsafe problem during to solve in prior art and to utilize fingerprint template to verify.
To achieve these goals, according to an aspect of the embodiment of the present invention, a kind of data processing method of fingerprint is provided.Data processing method according to fingerprint of the present invention comprises: fingerprint module gathers fingerprint image; Described fingerprint module processes described fingerprint image, obtains fingerprint template; Described fingerprint template is sent to smart card by terminating machine by described fingerprint module, and wherein, described smart card carries out fingerprint comparison according to described fingerprint template.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of data processing equipment of fingerprint.Data processing equipment according to fingerprint of the present invention comprises: collecting unit, gathers fingerprint image for controlling fingerprint module; Processing unit, processing described fingerprint image for controlling described fingerprint module, obtaining fingerprint template; Transmitting element, by terminating machine, described fingerprint template is sent to smart card for controlling described fingerprint module, wherein, described smart card carries out fingerprint comparison according to described fingerprint template.
According to inventive embodiments, fingerprint module gathers fingerprint image; Fingerprint module processes fingerprint image, obtains fingerprint template; Fingerprint template is sent to smart card by terminating machine by fingerprint module, and wherein, smart card carries out fingerprint ratio according to fingerprint template.Pass through above-described embodiment, because fingerprint module gathers fingerprint image and the template that takes the fingerprint, after fingerprint template is sent to smart card, the comparison of fingerprint image is carried out by smart card, avoid and from smart card, to issue the fingerprint template that fingerprint template causes reveal, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving smart card.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the data processing method of fingerprint according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the fingerprint register according to the embodiment of the present invention;
Fig. 3 is the schematic diagram of the fingerprint comparison according to the embodiment of the present invention; And
Fig. 4 is the schematic diagram of the data processing equipment of fingerprint according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiments provide a kind of data processing method of fingerprint.The data processing method of this fingerprint can be used in fingerprint acquisition system, and this fingerprint acquisition system comprises fingerprint module and terminating machine.Fingerprint module is used for gathering fingerprint image, and fingerprint characteristic is treated to fingerprint template, by terminating machine, fingerprint template is sent to smart card, carries out fingerprint recognition and comparison by smart card.By this data processing method, fingerprint recognition and comparison can be carried out within a smart card, avoid and from smart card, to issue the fingerprint template that fingerprint template causes reveal, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving fingerprint authentication.IC-card in the present embodiment can be bank card, medical insurance card, insurance card, medical card, transportation card, I.D. etc., and terminating machine can be POS, PC etc.
Fig. 1 is the process flow diagram of the data processing method of fingerprint according to the embodiment of the present invention.As shown in Figure 1, the data processing method of this fingerprint comprises the steps:
Step S102, fingerprint module gathers fingerprint image.
Step S104, fingerprint module processes fingerprint image, obtains fingerprint template.
Step S106, fingerprint template is sent to smart card by terminating machine by fingerprint module, and wherein, smart card carries out fingerprint comparison according to fingerprint template.
Fingerprint template and terminating machine can be two parts be separated, fingerprint module can gather fingerprint image, after collecting fingerprint image, carry out data processing to fingerprint image, obtain fingerprint template, fingerprint template can be used for carrying out user's registration or fingerprint comparison, therefore, fingerprint template, after obtaining fingerprint template, is sent to terminating machine by fingerprint module, by terminating machine, fingerprint template is sent to smart card.Wherein, terminating machine is connected with fingerprint module, is also provided with smart card reader module, after terminating machine receives the fingerprint template of fingerprint module transmission, fingerprint template is written in smart card, preserves fingerprint template by smart card or utilize fingerprint template to carry out fingerprint comparison.
Pass through above-described embodiment, because fingerprint module gathers fingerprint image and the template that takes the fingerprint, after fingerprint template is sent to smart card, the comparison of fingerprint image is carried out by smart card, avoid and from smart card, to issue the fingerprint template that fingerprint template causes reveal, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving fingerprint authentication.
Alternatively, the data processing method of this fingerprint obtains after fingerprint template sends to smart card, and smart card can carry out user's registration according to fingerprint template, can also carry out fingerprint comparison according to fingerprint template.
Preferably, when carrying out user and registering, in order to improve the accuracy processing the fingerprint template obtained, multiple fingerprint image can be gathered, synthesize fingerprint template by multiple fingerprint image, namely fingerprint module collection fingerprint image comprises: fingerprint module gathers multiple fingerprint images of same fingerprint, and fingerprint module processes fingerprint image, obtain fingerprint template to comprise: the fingerprint characteristic extracting multiple fingerprint image, obtain multiple fingerprint characteristic; Synthesis process is carried out to multiple fingerprint characteristic, obtains fingerprint template.
As shown in Figure 2, fingerprint template gathers many pieces of fingerprint images, carries out data processing to many pieces of fingerprint images, obtains multiple fingerprint characteristic, these fingerprint characteristics is carried out synthesis process, obtains fingerprint template.Fingerprint template is sent to terminating machine by fingerprint module, by IC-card module for reading and writing, fingerprint template is write smart card after the communication module of terminating machine receives fingerprint module.Particularly, after fingerprint template is sent to smart card by terminating machine by fingerprint module, this data processing method also comprises: when carrying out fingerprint register, and smart card preserves fingerprint template.
Preferably, in order to ensure the security of fingerprint template in the process of write smart card, be encrypted the fingerprint template generated, namely fingerprint template sends to smart card to comprise by terminating machine by fingerprint module: be encrypted fingerprint template; Fingerprint template after encryption is sent to terminating machine, and wherein, the fingerprint template after encryption is sent to smart card by terminating machine.No matter be that fingerprint template is sent in the process of terminating machine, or fingerprint template is sent in the process of smart card, because fingerprint template is the template of encryption, is not easy to be revealed, ensure that the security of fingerprint template.Particularly, hash algorithm can be adopted, RSA, SMR scheduling algorithm is encrypted fingerprint template.
Preferably, when carrying out fingerprint comparison, in order to ensure that fingerprint template is not revealed, after fingerprint template is sent to smart card by terminating machine by fingerprint module, data processing method also comprises: smart card receives the fingerprint template to be compared from terminating machine; Smart card obtains the fingerprint template stored; The fingerprint template of smart card to fingerprint template to be compared and storage is compared.
As shown in Figure 3, identical with the fingerprint collecting process of fingerprint register, gather fingerprint image by fingerprint module, and the fingerprint characteristic taken the fingerprint in image by fingerprint module, i.e. fingerprint template to be compared.Fingerprint characteristic to be compared is sent to terminating machine, wherein, terminating machine, by fingerprint template write smart card to be compared, is compared by smart card, the fingerprint template of smart card to fingerprint template to be compared and storage is compared, and the comparison result obtained returns to terminating machine by smart card.
Pass through above-described embodiment, fingerprint module can gather fingerprint image, and fingerprint image is processed, the method identical with fingerprint register can be adopted the process of fingerprint collecting and fingerprint image is carried out when carrying out fingerprint comparison, different is, after carrying out Finger print characteristic abstract when carrying out fingerprint comparison, can directly sending to smart card as fingerprint template to be compared as fingerprint template the fingerprint characteristic of extraction, gathering multiple fingerprint image during without the need to registering and the step of synthesis process.Namely, fingerprint module can carry out fingerprint collecting during fingerprint register, fingerprint collecting during fingerprint comparison can also be carried out, after fingerprint template is registered to smart card, the template to be compared of fingerprint template and the collection of preserving in smart card can be utilized within a smart card to compare, obtain comparison result.Because above-mentioned comparison process completes within a smart card, and fingerprint template is in encrypted state in transmitting procedure, therefore, the leakage that fingerprint comparison process all avoids fingerprint characteristic is collected from fingerprint template, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving fingerprint authentication.
The embodiment of the present invention additionally provides a kind of data processing equipment of fingerprint.This device can realize its function by computing machine.It should be noted that, the data processing equipment of the fingerprint of the embodiment of the present invention may be used for the data processing method performing the fingerprint that the embodiment of the present invention provides, and the data processing equipment of the fingerprint that the data processing method of the fingerprint of the embodiment of the present invention also can be provided by the embodiment of the present invention performs.
Fig. 4 is the schematic diagram of the data processing equipment of fingerprint according to the embodiment of the present invention.As shown in Figure 4, the data processing equipment of this fingerprint comprises: collecting unit 10, processing unit 30 and transmitting element 50.
Collecting unit 10 gathers fingerprint image for controlling fingerprint module;
Processing unit 30 processes fingerprint image for controlling fingerprint module, obtains fingerprint template;
Fingerprint template is sent to smart card for controlling fingerprint module by terminating machine by transmitting element 50, and wherein, smart card carries out fingerprint comparison according to fingerprint template.
Fingerprint template and terminating machine can be two parts be separated, fingerprint module can gather fingerprint image, after collecting fingerprint image, carry out data processing to fingerprint image, obtain fingerprint template, fingerprint template can be used for carrying out user's registration or fingerprint comparison, therefore, fingerprint template, after obtaining fingerprint template, is sent to terminating machine by fingerprint module, by terminating machine, fingerprint template is sent to smart card.Wherein, terminating machine is connected with fingerprint module, is also provided with smart card reader module, after terminating machine receives the fingerprint template of fingerprint module transmission, fingerprint template is written in smart card, preserves fingerprint template by smart card or utilize fingerprint template to carry out fingerprint comparison.
Pass through above-described embodiment, because fingerprint module gathers fingerprint image and the template that takes the fingerprint, after fingerprint template is sent to smart card, the comparison of fingerprint image is carried out by smart card, avoid and from smart card, to issue the fingerprint template that fingerprint template causes reveal, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving fingerprint authentication.
Alternatively, obtaining after fingerprint template sends to smart card, smart card can carry out user's registration according to fingerprint template, can also carry out fingerprint comparison according to fingerprint template.
Preferably, when carrying out user and registering, in order to improve the accuracy processing the fingerprint template obtained, multiple fingerprint image can be gathered, synthesize fingerprint template by multiple fingerprint image, namely collecting unit is also for gathering multiple fingerprint images of same fingerprint by fingerprint module, and processing unit comprises: extraction module, for extracting the fingerprint characteristic of multiple fingerprint image, obtain multiple fingerprint characteristic; Synthesis module, for carrying out synthesis process to multiple fingerprint characteristic, obtains fingerprint template.
As shown in Figure 2, fingerprint template gathers many pieces of fingerprint images, carries out data processing to many pieces of fingerprint images, obtains multiple fingerprint characteristic, these fingerprint characteristics is carried out synthesis process, obtains fingerprint template.Fingerprint template is sent to terminating machine by fingerprint module, by IC-card module for reading and writing, fingerprint template is write smart card after the communication module of terminating machine receives fingerprint module.Particularly, data processing equipment also comprises: storage unit, after by terminating machine fingerprint template being sent to smart card at fingerprint module, when carrying out fingerprint register, controlling smart card and preserving fingerprint template.
Preferably, in order to ensure the security of fingerprint template in the process of write smart card, be encrypted the fingerprint template generated, namely transmitting element comprises: encrypting module, for being encrypted fingerprint template; Sending module, for the fingerprint template after encryption is sent to terminating machine, wherein, the fingerprint template after encryption is sent to smart card by terminating machine.
No matter be that fingerprint template is sent in the process of terminating machine, or fingerprint template is sent in the process of smart card, because fingerprint template is the template of encryption, is not easy to be revealed, ensure that the security of fingerprint template.Particularly, hash algorithm can be adopted, RSA, SMR scheduling algorithm is encrypted fingerprint template.
Preferably, when carrying out fingerprint comparison, in order to ensure that fingerprint template is not revealed, data processing equipment also comprises: receiving element, after by terminating machine fingerprint template being sent to smart card at fingerprint module, when carrying out fingerprint comparison, control the to be compared fingerprint template of smart card reception from terminating machine; Acquiring unit, obtains for controlling smart card the fingerprint template stored; Comparing unit, compares for controlling the fingerprint template of smart card to fingerprint characteristic to be compared and storage.
As shown in Figure 3, identical with the fingerprint collecting process of fingerprint register, gather fingerprint image by fingerprint module, and the fingerprint characteristic taken the fingerprint in image by fingerprint module, i.e. fingerprint template to be compared.Fingerprint characteristic to be compared is sent to terminating machine, wherein, terminating machine, by fingerprint template write smart card to be compared, is compared by smart card, the fingerprint template of smart card to fingerprint template to be compared and storage is compared, and the comparison result obtained returns to terminating machine by smart card.
Pass through above-described embodiment, fingerprint module can gather fingerprint image, and fingerprint image is processed, the method identical with fingerprint register can be adopted the process of fingerprint collecting and fingerprint image is carried out when carrying out fingerprint comparison, different is, after carrying out Finger print characteristic abstract when carrying out fingerprint comparison, can directly sending to smart card as fingerprint template to be compared as fingerprint template the fingerprint characteristic of extraction, gathering multiple fingerprint image during without the need to registering and the step of synthesis process.Namely, fingerprint module can carry out fingerprint collecting during fingerprint register, fingerprint collecting during fingerprint comparison can also be carried out, after fingerprint template is registered to smart card, the template to be compared of fingerprint template and the collection of preserving in smart card can be utilized within a smart card to compare, obtain comparison result.Because above-mentioned comparison process completes within a smart card, and fingerprint template is in encrypted state in transmitting procedure, therefore, the leakage that fingerprint comparison process all avoids fingerprint characteristic is collected from fingerprint template, improve the security of fingerprint comparison, solve when utilizing fingerprint to verify and cause the unsafe problem of smart card, reach the effect of the security improving fingerprint authentication.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, mobile terminal, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a data processing method for fingerprint, is characterized in that, comprising:
Fingerprint module gathers fingerprint image;
Described fingerprint module processes described fingerprint image, obtains fingerprint template;
Described fingerprint template is sent to smart card by terminating machine by described fingerprint module, and wherein, described smart card carries out fingerprint comparison according to described fingerprint template.
2. data processing method according to claim 1, is characterized in that,
Fingerprint module gathers fingerprint image and comprises:
Described fingerprint module gathers multiple fingerprint images of same fingerprint,
Described fingerprint module processes described fingerprint image, obtains fingerprint template and comprises:
Extract the fingerprint characteristic of described multiple fingerprint image, obtain multiple fingerprint characteristic;
Synthesis process is carried out to described multiple fingerprint characteristic, obtains described fingerprint template.
3. data processing method according to claim 1, is characterized in that, described fingerprint template sends to smart card to comprise by terminating machine by described fingerprint module:
Described fingerprint template is encrypted;
Fingerprint template after encryption is sent to described terminating machine, and wherein, the fingerprint template after described encryption is sent to described smart card by described terminating machine.
4. data processing method according to claim 1, is characterized in that, after described fingerprint template is sent to smart card by terminating machine by described fingerprint module, described data processing method also comprises:
When carrying out fingerprint register, described smart card preserves described fingerprint template.
5. data processing method according to claim 1, is characterized in that, after described fingerprint template is sent to smart card by terminating machine by described fingerprint module, described data processing method also comprises:
When carrying out fingerprint comparison, described smart card receives the fingerprint template to be compared from described terminating machine;
Described smart card obtains the fingerprint template stored;
The fingerprint template of described smart card to described fingerprint module to be compared and described storage is compared.
6. a data processing equipment for fingerprint, is characterized in that, comprising:
Collecting unit, gathers fingerprint image for controlling fingerprint module;
Processing unit, processing described fingerprint image for controlling described fingerprint module, obtaining fingerprint template;
Transmitting element, by terminating machine, described fingerprint template is sent to smart card for controlling described fingerprint module, wherein, described smart card carries out fingerprint comparison according to described fingerprint template.
7. data processing equipment according to claim 6, is characterized in that,
Described collecting unit also for being gathered multiple fingerprint images of same fingerprint by described fingerprint module,
Described processing unit comprises: extraction module, for extracting the fingerprint characteristic of described multiple fingerprint image, obtains multiple fingerprint characteristic; Synthesis module, for carrying out synthesis process to described multiple fingerprint characteristic, obtains described fingerprint template.
8. data processing equipment according to claim 6, is characterized in that, described transmitting element comprises:
Encrypting module, for being encrypted described fingerprint template;
Sending module, for the fingerprint template after encryption is sent to described terminating machine, wherein, the fingerprint template after described encryption is sent to described smart card by described terminating machine.
9. data processing equipment according to claim 6, is characterized in that, described data processing equipment also comprises:
Storage unit, after by terminating machine described fingerprint template being sent to smart card at described fingerprint module, when carrying out fingerprint register, controlling described smart card and preserving described fingerprint template.
10. data processing equipment according to claim 6, is characterized in that, described data processing equipment also comprises:
Receiving element, after by terminating machine described fingerprint template being sent to smart card at described fingerprint module, when carrying out fingerprint comparison, controlling described smart card and receiving fingerprint template to be compared from described terminating machine;
Acquiring unit, obtains for controlling described smart card the fingerprint template stored;
Comparing unit, compares for controlling the fingerprint template of described smart card to described fingerprint template to be compared and described storage.
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| CN201510016537.1A CN104573661A (en) | 2015-01-13 | 2015-01-13 | Fingerprint data processing method and device |
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| CN201510016537.1A CN104573661A (en) | 2015-01-13 | 2015-01-13 | Fingerprint data processing method and device |
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