CN103957107A - Identity authentication method and device - Google Patents
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- CN103957107A CN103957107A CN201410211657.2A CN201410211657A CN103957107A CN 103957107 A CN103957107 A CN 103957107A CN 201410211657 A CN201410211657 A CN 201410211657A CN 103957107 A CN103957107 A CN 103957107A
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Abstract
The invention discloses an identity authentication method and device which are applied to a payment terminal. The payment terminal is provided with a plurality of fingerprint sensors. The method comprises the steps that fingerprint data to be authenticated are collected by the fingerprint sensors and sent to a server, the server is triggered to search for whether a plurality of fingerprint data identical to the fingerprint data to be authenticated respectively exist, if yes, the server is further triggered to generate information that identity is successfully authenticated, the purpose that a plurality of fingerprint data collected by the fingerprint sensors on the payment terminal are used for identity authentication is achieved, and due to the fact that all the fingerprint data have large difference, safety and reliability of identity authentication through the fingerprint data can be improved.
Description
Technical field
The application relates to Technology On Data Encryption field, especially a kind of method of authentication and device.
Background technology
Identity validation technology is the technology that a kind of user data that utilizes collection is verified user identity.One of application of this technology is financial field, as when utilizing payment terminal to carry out authentication to carrying out the user of financial transaction, need to gather user's data message, and the information that this data message and user prestore is compared, thereby realize the checking to user identity.
Yet, the authentication mode of using in payment terminal at present is just collected user's account information and encrypted message, judges that whether whether this account and password identical with pre-deposit data, if, think that this user is legal, trigger the operation of withholing of bank paying equipment.
Yet account information and encrypted message are easily stolen in above-mentioned authentication mode, therefore, this auth method fail safe is poor.
Summary of the invention
In view of this, the application provides a kind of auth method and device, in order to solve the low technical problem of auth method fail safe of banking system in prior art.The technical scheme that the application provides is as follows:
An auth method, is applied to payment terminal, is provided with a plurality of fingerprint sensors in described payment terminal, and the method comprises:
When receiving fingerprint authentication instruction, obtain respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately;
Described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal;
Trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if so, trigger this server and generate the successful information of authentication.
Said method, preferred, describedly described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal comprise:
Judge whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree;
If so, described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal;
Otherwise, obtain new finger print data a plurality of to be verified, and return to carry out to judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
Said method, preferred, described payment terminal is also provided with security coprocessor; Wherein:
Described a plurality of described finger print datas to be verified are sent to the server being connected with described payment terminal simultaneously before, also comprise:
The request of send encrypting is to described server, triggers described server and returns with the payment terminal in described encryption request and identify corresponding key;
Triggering described security coprocessor is encrypted described a plurality of finger print datas to be verified according to described key.
Said method, preferred, described payment terminal is also provided with PSAM card; Wherein:
The described security coprocessor of described triggering is encrypted and comprises described a plurality of finger print datas to be verified:
Triggering described security coprocessor is encrypted described a plurality of finger print datas to be verified according to the cryptographic algorithm in described PSAM card.
Said method, preferred, described, when receiving fingerprint authentication instruction, before obtaining respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately, also comprise:
When receiving fingerprint registering instruction, obtain respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately;
When described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
The application also provides a kind of authentication means, is applied to payment terminal, is provided with a plurality of fingerprint sensors in described payment terminal, comprising:
Finger print data acquisition module to be verified, for when receiving fingerprint authentication instruction, obtains respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately;
Finger print data sending module to be verified, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal;
Whether finger print data authentication module to be verified, there are identical with finger print data to be verified described in each respectively a plurality of finger print datas for triggering this whois lookup, if so, triggers this server and generate the successful information of authentication.
Said apparatus, preferred, described finger print data sending module to be verified comprises:
Judgement submodule, for judging whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree; If so, trigger first module that bears fruit, otherwise, second module that bears fruit triggered;
First module that bears fruit, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal;
Second module that bears fruit, for obtaining new finger print data a plurality of to be verified, and returns to carry out judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
Said apparatus, preferred, described payment terminal is also provided with security coprocessor; Wherein, this device also comprises:
Finger print data encrypting module to be verified, for described a plurality of described finger print datas to be verified are sent to the server being connected with described payment terminal simultaneously before, the request of send encrypting is to described server, triggers described server and returns with the payment terminal in described encryption request and identify corresponding key;
Triggering described security coprocessor is encrypted described a plurality of finger print datas to be verified according to described key.
Said apparatus, preferred, described payment terminal is also provided with PSAM card; Wherein, described finger print data encrypting module to be verified can comprise:
PSAM card encryption submodule, is encrypted described a plurality of finger print datas to be verified for triggering the cryptographic algorithm of the described PSAM card of described security coprocessor foundation.
Said apparatus, preferred, also comprise:
Finger print data acquisition module to be stored, for when receiving fingerprint registering instruction, obtains respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately;
Finger print data memory module to be stored, for when described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
From above technical scheme, the auth method that the present embodiment provides and device, be applied to payment terminal, in this payment terminal, be provided with a plurality of fingerprint sensors, the method is sent to server by the finger print data to be verified that described a plurality of fingerprint sensors are gathered separately, trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if, and then trigger this server and generate the successful information of authentication, thereby realized, utilize a plurality of finger print datas of a plurality of fingerprint sensor collections that arrange in payment terminal to carry out authentication, owing to thering is high otherness between each finger print data, the authentication that described employing finger print data and a plurality of finger print data carry out can improve fail safe and the reliability of authentication.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of a kind of auth method embodiment mono-that Fig. 1 provides for the application;
The flow chart of a kind of auth method embodiment bis-that Fig. 2 provides for the application;
The flow chart of a kind of auth method embodiment tri-that Fig. 3 provides for the application;
The structural representation of a kind of authentication means embodiment mono-that Fig. 4 provides for the application;
The structural representation of a kind of authentication means embodiment bis-that Fig. 5 provides for the application;
The structural representation of a kind of authentication means embodiment tri-that Fig. 6 provides for the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Refer to Fig. 1, it shows the flow chart of a kind of auth method embodiment mono-that the application provides, and this embodiment is applied to payment terminal, and payment terminal is including but not limited to POS machine, in this payment terminal, be provided with a plurality of fingerprint sensors, the present embodiment specifically comprises:
Step 101: when receiving fingerprint authentication instruction, obtain respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Wherein, can be this payment terminal generate according to user's clicking operation in described fingerprint authentication instruction, and can be also other financial sectors generates as bank transaction system.When implement device corresponding to the present embodiment receives this fingerprint authentication instruction, and then obtain the finger print data that each fingerprint sensor gathers.It should be noted that, the number of described fingerprint sensor is a plurality of, can gather respectively a plurality of different finger print datas, as gathered respectively thumbprint, forefinger fingerprint and middle finger fingerprint.The finger print data getting while receiving fingerprint authentication instruction is finger print data to be verified.
It should be noted that, fingerprint sensor has respective identification, can set up corresponding relation with the fingerprint to be verified gathering separately.For example, the fingerprint sensor that is designated R1 gathers right hand forefinger, and the fingerprint sensor that is designated R2 gathers right hand middle finger.While therefore, obtaining fingerprint to be verified, can obtain the fingerprint sensor sign that this fingerprint to be verified is corresponding simultaneously.
Step 102: described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal.
Wherein, described payment terminal is connected with server, therefore described a plurality of finger print datas to be verified can be sent to this server.It should be noted that, each finger print data in described a plurality of finger print datas to be verified is made as a whole this server that is simultaneously sent to.
Step 103: trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if so, trigger this server and generate the successful information of authentication.
Wherein, triggering the mode that this server searches can think: this server is using the described a plurality of finger print datas to be verified that receive as a kind of triggering command, described payment terminal is sent to this server by described a plurality of finger print datas to be verified, can make this server carry out and search action.
In described server, can pre-storedly there be a plurality of fingerprints, in order to each finger print data to be verified in described a plurality of finger print datas to be verified that payment terminal is sent, verify.Certainly, can not limit the memory location of described a plurality of fingerprints, described a plurality of fingerprint can be stored on described server, can also be to be stored in other memory device.It should be noted that, preferred, the mode of pre-stored fingerprint can be to set up a plurality of fingerprint bases, and each fingerprint base is corresponding with a fingerprint sensor respectively.For example, the first fingerprint base is corresponding with the fingerprint sensor that is designated R1, and the second fingerprint base is corresponding with the fingerprint sensor that is designated R2.
Wherein, server need to be to the checking one by one respectively of all finger print datas in finger print data to be verified.Particularly, obtain the fingerprint sensor sign that finger print data to be verified is corresponding, at this fingerprint sensor, identify in corresponding fingerprint base and search and whether have the finger print data identical with this finger print data to be verified.It is higher that this kind searched verification mode identification efficiency.
Because finger print data can represent by characteristic point data in the general characteristic of fingerprint and/or local feature, described server can search whether there be the finger print data identical with described finger print data to be verified according to characteristic point.Particularly, obtain a finger print data in fingerprint base, each characteristic point of this finger print data is compared with each characteristic point of this finger print data to be verified respectively, obtain similar value corresponding to each characteristic point, each similar value is added to the similar value that obtains this finger print data and this finger print data to be verified.When this similar value surpasses default similar threshold value, determine that this finger print data and this finger print data to be verified is identical.
Certainly, comparing two whether identical modes of finger print data and be not limited to aforesaid way, can also be any one fingerprint comparison method in prior art.In addition, the characteristic point number of the finger print data in described fingerprint database does not limit, and its characteristic point number can be identical with finger print data to be verified, can be different from finger print data to be verified yet.
For example, finger print data to be verified is A, and A has 15 characteristic points, be respectively characteristic point 1, characteristic point 2 ... and characteristic point 15; A certain finger print data B in fingerprint base has 15 features, wherein, B characteristic point 1 is n1 with the similar value of A characteristic point 1, B characteristic point 2 is n2 with the similar value of A characteristic point 2, B characteristic point 15 is n15 with the similar value of A characteristic point 15, and n1, n2 ... n15 with value be 96%, default similar threshold value is 95%, this finger print data B is identical with this finger print data to be verified.
In addition, the successful information of described authentication can be used as the instruction that triggers third party device, as the successful information of this authentication sent to the transaction system of bank, trigger this transaction system and extract accounts information and the payment information corresponding with this identity, the operation of withholing in account information of the described payment information of foundation.Certainly, described server also can be back to this payment terminal by the successful information of authentication, so that described payment terminal shows the information being proved to be successful to user.
From above technical scheme, the auth method that the present embodiment provides is applied to payment terminal, in this payment terminal, be provided with a plurality of fingerprint sensors, the method is sent to server by the finger print data to be verified that described a plurality of fingerprint sensors are gathered separately, triggers a plurality of finger print datas to be verified of this server by utilizing and carries out authentication.Between finger print data due to different people, have natural otherness, described attribute that therefore can fingerprint carries out authentication to user, accesses to your password and the mode of account checking is compared with prior art, has higher fail safe and reliability.But in existing other field, exist and to utilize single finger print to carry out the method for authentication, but when the finger print data of storing in fingerprint base is more or fingerprint is damaged, can cause the result inaccurate.In the technical scheme that the application provides, be provided with a plurality of fingerprint sensors in payment terminal, can gather a plurality of finger print datas of user, the mode accuracy of utilizing a plurality of finger print datas to verify is higher.
It should be noted that, in said method embodiment, when server end does not find with the identical a plurality of finger print data of described each finger print data to be verified, can return to authentication failed information to described payment terminal.
The occupation mode of described payment terminal need to be placed on finger on fingerprint sensor for gathered person, and fingerprint sensor can read finger print data.But the identification susceptibility that gathered person places improper or fingerprint sensor if occur during high abnormal conditions, can not cause clear or intactly collecting finger print data to be verified.Therefore, following embodiment provides a kind of scheme of prejudging, in order to guarantee that the finger print data to be verified that is sent to server has higher integrity degree.Refer to Fig. 2, it shows the flow chart of a kind of auth method embodiment bis-that the application provides, and the present embodiment is applied to payment terminal, concrete, can comprise:
Step 201: when receiving fingerprint authentication instruction, obtain respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Step 202: judge whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree; If so, perform step 203, otherwise, execution step 204.
Wherein, in described default collection standard, including two normal terms is fingerprint number normal term and fingerprint clear degree normal term.It should be noted that, described fingerprint number is a plurality of as two, and described fingerprint clear degree can with fingerprint, whether imaging judges.Particularly, fingerprint sensor utilizes the rough line shape of finger print to generate fingerprint image, when fingerprint to be verified can form complete fingerprint image, thinks that this fingerprint to be verified meets resolution standard.
Particularly, when receiving a plurality of finger print data to be verified of described a plurality of fingerprint sensor collections, can judge whether described a plurality of finger print data to be verified meets described collection number standard and resolution standard.For example in described default collection standard, fingerprint number is two, can judge whether the fingerprint number in described a plurality of finger print data to be verified is two, and further judge whether each finger print data to be verified can form complete fingerprint image.
If the determination result is YES can perform step 203; If determining step is no, show that described a plurality of finger print data to be verified does not meet default collection standard, concrete situation can be a discontented toe line position, can also be the discontented toe line definition of one or more finger print datas to be verified, the combination of all right above-mentioned two situations.It should be noted that, when there is the second situation, the finger print data to be verified that meets fingerprint clear degree is prestored.
Step 203: described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal.
Wherein, the mode that described a plurality of finger print datas to be verified is sent to server can be by wireless modes such as the wired modes such as Ethernet or WIFI, bluetooth, GPRS, 3G or 4G.
Step 204: obtain new finger print data a plurality of to be verified, and return to carry out to judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
Wherein, the mode of obtaining new a plurality of finger print datas to be verified described in can be corresponding with the various judged result of step 202.Concrete, when the discontented toe line number standard of the finger print data to be verified gathering, prompting user all re-enters finger print data, again obtains a plurality of finger print datas that a plurality of fingerprint sensor Resurveys arrive; When the finger print data to be verified gathering meets described fingerprint number standard but the discontented toe line resolution standard of one or more finger print data, can point out user to re-enter the data that do not meet resolution standard, and by the described new finger print data a plurality of to be verified of the common composition of the finger print data to be verified that meets fingerprint clear degree prestoring.Wherein, prompting mode can be on the display screen of payment terminal, to carry out text prompt, can be also to carry out voice message to gathered person.
After again getting a plurality of finger print datas to be verified, return to carry out and judge whether new described a plurality of finger print datas to be verified meet default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard, and then described new finger print data a plurality of to be verified can be sent to the server being connected with described payment terminal.
Step 205: trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if so, trigger this server and generate the successful information of authentication.
From above technical scheme, a kind of auth method that the application provides can be realized when the finger print data to be verified gathering does not meet default collection standard, again finger print data is gathered, the finger print data to be verified that can guarantee to be sent to server is the finger print data that meets described default collection standard, thereby improve the accuracy of fingerprint recognition, improve the accuracy of identification.
Finger print data, as a kind of data for identity verification, need to have higher fail safe, therefore security coprocessor can be set in payment terminal, for the finger print data sending is encrypted.Specifically refer to Fig. 3, it shows the flow chart of a kind of personal identification method embodiment tri-that the application provides, and this embodiment specifically comprises:
Step 301: when receiving fingerprint authentication instruction, obtain respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Step 302: send the request of encryption to described server, trigger described server and return with the payment terminal in described encryption request and identify corresponding key, and trigger described security coprocessor and according to described key, described a plurality of finger print datas to be verified are encrypted.
Wherein, each payment terminal has sign, includes payment terminal sign to server in the encryption request sending, and triggers server transmission and identifies corresponding key with this payment terminal.In described security coprocessor, be provided with cryptographic algorithm, sending described a plurality of finger print datas to be verified to server, can to described a plurality of finger print datas to be verified, be encrypted according to described cryptographic algorithm and key, thereby guarantee the fail safe of described a plurality of finger print datas to be verified.Certainly, described cryptographic algorithm is any one or multiple encryption algorithms in prior art.
It should be noted that, in described payment terminal, can also be provided with PSAM card is terminal security control module, in described PSAM card, be provided with cryptographic algorithm and be connected with described security coprocessor, this step can realize by following manner: trigger described security coprocessor and according to the cryptographic algorithm in described PSAM card, described a plurality of finger print datas to be verified are encrypted.
Step 303: described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal.
Step 304: trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if so, trigger this server and generate the successful information of authentication.
It should be noted that, in described above-mentioned each embodiment of the method, server need to be verified the finger print data to be verified receiving whether have the finger print data identical with described a plurality of finger print datas to be verified in the finger print data that judgement prestores.Therefore, need pre-stored a plurality of finger print datas that have.Concrete, the process of described storage finger print data can realize in the following manner:
When receiving fingerprint registering instruction, obtain respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately.
Wherein, described fingerprint registering instruction can generate according to manual operation, when needs carry out fingerprint while prestoring, described payment terminal is clicked etc. to trigger action, thereby trigger described payment terminal and generate fingerprint registering instruction, and this instruction is sent to the final controlling element of this step, thus this final controlling element can carry out and obtain the finger print data that described a plurality of fingerprint sensor gathers separately, the finger print data of current collection is finger print data to be stored.
When described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
Wherein, described default collection standard is identical with the default collection standard in said method embodiment bis-, can comprise fingerprint number normal term and fingerprint clear degree normal term.When the definition that simultaneously meets fingerprint number standard and fingerprint when described a plurality of finger print datas to be stored meets resolution standard, the plurality of finger print data to be stored can be sent to this server.It should be noted that, described trigger action can be identical with the trigger action principle in said method embodiment mono-, when described a plurality of finger print datas to be stored are sent to after this server, described sending action can be used as a kind of triggering command, makes this server carry out the described a plurality of finger print datas to be stored of storage.
Corresponding said method embodiment mono-, the application also provides a kind of authentication means, and this application of installation, in payment terminal, is provided with a plurality of fingerprint sensors in this payment terminal.Specifically refer to Fig. 4, the structural representation that it shows this device embodiment mono-, specifically comprises: finger print data acquisition module 401 to be verified, finger print data sending module 402 to be verified and finger print data authentication module 403 to be verified.Wherein:
Described finger print data acquisition module 401 to be verified, for when receiving fingerprint authentication instruction, obtains respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Wherein, can be this payment terminal generate according to user's clicking operation in described fingerprint authentication instruction, and can be also other financial sectors generates as bank transaction system.When finger print data acquisition module 401 to be verified receives this fingerprint authentication instruction, and then obtain the finger print data that each fingerprint sensor gathers.It should be noted that, the number of described fingerprint sensor is a plurality of, can gather respectively a plurality of different finger print datas, as gathered respectively thumbprint, forefinger fingerprint and middle finger fingerprint.The finger print data getting while receiving fingerprint authentication instruction is finger print data to be verified.It should be noted that, fingerprint sensor has respective identification, can set up corresponding relation with the fingerprint to be verified gathering separately.
Described finger print data sending module 402 to be verified, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal.
Wherein, described payment terminal is connected with server, and therefore described finger print data sending module 402 to be verified can be sent to this server by described a plurality of finger print datas to be verified.It should be noted that, each finger print data in described a plurality of finger print datas to be verified is made as a whole this server that is simultaneously sent to.
Whether described finger print data authentication module 403 to be verified, there are identical with finger print data to be verified described in each respectively a plurality of finger print datas for triggering this whois lookup, if so, triggers this server and generate the successful information of authentication.
Wherein, the mode that described finger print data authentication module to be verified 403 these servers of triggering are searched can be thought: this server is using the described a plurality of finger print datas to be verified that receive as a kind of triggering command, described payment terminal is sent to this server by described a plurality of finger print datas to be verified, can make this server carry out and search action.
In described server, can pre-storedly there be a plurality of fingerprints, in order to each finger print data to be verified in described a plurality of finger print datas to be verified that payment terminal is sent, verify.Certainly, can not limit the memory location of described a plurality of fingerprints, described a plurality of fingerprint can be stored on described server, can also be to be stored in other memory device.It should be noted that, preferred, the mode of pre-stored fingerprint can be to set up a plurality of fingerprint bases, and each fingerprint base is corresponding with a fingerprint sensor respectively.For example, the first fingerprint base is corresponding with the fingerprint sensor that is designated R1, and the second fingerprint base is corresponding with the fingerprint sensor that is designated R2.
Wherein, server need to be to the checking one by one respectively of all finger print datas in finger print data to be verified.Particularly, obtain the fingerprint sensor sign that finger print data to be verified is corresponding, at this fingerprint sensor, identify in corresponding fingerprint base and search and whether have the finger print data identical with this finger print data to be verified.It is higher that this kind searched verification mode identification efficiency.
Because finger print data can represent by characteristic point data in the general characteristic of fingerprint and/or local feature, described server can search whether there be the finger print data identical with described finger print data to be verified according to characteristic point.Particularly, obtain a finger print data in fingerprint base, each characteristic point of this finger print data is compared with each characteristic point of this finger print data to be verified respectively, obtain similar value corresponding to each characteristic point, each similar value is added to the similar value that obtains this finger print data and this finger print data to be verified.When this similar value surpasses default similar threshold value, determine that this finger print data and this finger print data to be verified is identical.Certainly, comparing two whether identical modes of finger print data and be not limited to aforesaid way, can also be any one fingerprint comparison method in prior art.
In addition, the successful information of described authentication can be used as the instruction that triggers third party device, as the successful information of this authentication sent to the transaction system of bank, trigger this transaction system and extract accounts information and the payment information corresponding with this identity, the operation of withholing in account information of the described payment information of foundation.Certainly, described server also can be back to this payment terminal by the successful information of authentication, so that described payment terminal shows the information being proved to be successful to user.
From above technical scheme, the authentication means that the present embodiment provides is applied to payment terminal, think that this payment terminal can realize this auth method, in this payment terminal, be provided with a plurality of fingerprint sensors, this device is sent to server by the finger print data to be verified that described a plurality of fingerprint sensors are gathered separately, trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if, and then trigger this server and generate the successful information of authentication, thereby realized, utilize a plurality of finger print datas of a plurality of fingerprint sensor collections that arrange in payment terminal to carry out authentication, owing to thering is high otherness between each finger print data, the device of the authentication that described employing finger print data and a plurality of finger print data carry out can improve fail safe and the reliability of authentication.
Corresponding said method embodiment bis-, the application provides a kind of authentication means, specifically refer to Fig. 5, it shows the structural representation of a kind of authentication means embodiment bis-that the application provides, this application of installation is in payment terminal, concrete, can comprise: finger print data acquisition module 501 to be verified, judgement submodule 502, first bear fruit module 503, second bear fruit module 504 and finger print data authentication module 505 to be verified.Wherein:
Described finger print data acquisition module 501 to be verified, for when receiving fingerprint authentication instruction, obtains respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Described judgement submodule 502, for judging whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree; If so, trigger first module 503 that bears fruit, otherwise, second module 504 that bears fruit triggered.
Wherein, in described default collection standard, including two normal terms is fingerprint number normal term and fingerprint clear degree normal term.It should be noted that, described fingerprint number is a plurality of as two, and described fingerprint clear degree can with fingerprint, whether imaging judges.Particularly, fingerprint sensor utilizes the rough line shape of finger print to generate fingerprint image, when fingerprint to be verified can form complete fingerprint image, thinks that this fingerprint to be verified meets resolution standard.
Particularly, when judgement submodule 502 receives a plurality of finger print data to be verified of described a plurality of fingerprint sensor collections, can judge whether described a plurality of finger print data to be verified meets described collection number standard and resolution standard.For example in described default collection standard, fingerprint number is two, can judge whether the fingerprint number in described a plurality of finger print data to be verified is two, and further judge whether each finger print data to be verified can form complete fingerprint image.
If it is to trigger first module 503 that bears fruit that judgement submodule 502 judgment result is that; If determining step is no, show that described a plurality of finger print data to be verified does not meet default collection standard, concrete situation can be a discontented toe line position, can also be the discontented toe line definition of one or more finger print datas to be verified, the combination of all right above-mentioned two situations.It should be noted that, when there is the second situation, judgement submodule 502 prestores the finger print data to be verified that meets fingerprint clear degree.
Described first module 503 that bears fruit, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal.
Wherein, described first mode that module 503 is sent to server by described a plurality of finger print datas to be verified that bears fruit can be by wireless modes such as the wired modes such as Ethernet or WIFI, bluetooth, GPRS, 3G or 4G.
Described second module 504 that bears fruit, for obtaining new finger print data a plurality of to be verified, and return to carry out to judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
Wherein, described second bear fruit module 504 obtain new a plurality of finger print datas to be verified mode can with judgement submodule 502 various judged result corresponding.Concrete, when the discontented toe line number standard of the finger print data to be verified gathering, prompting user all re-enters finger print data, again obtains a plurality of finger print datas that a plurality of fingerprint sensor Resurveys arrive; When the finger print data to be verified gathering meets described fingerprint number standard but the discontented toe line resolution standard of one or more finger print data, can point out user to re-enter the data that do not meet resolution standard, and by the described new finger print data a plurality of to be verified of the common composition of the finger print data to be verified that meets fingerprint clear degree prestoring.Wherein, prompting mode can be on the display screen of payment terminal, to carry out text prompt, can be also to carry out voice message to gathered person.
After again getting a plurality of finger print datas to be verified, return to carry out and judge whether new described a plurality of finger print datas to be verified meet default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard, and then described new finger print data a plurality of to be verified can be sent to the server being connected with described payment terminal.
Whether described finger print data authentication module 505 to be verified, there are identical with finger print data to be verified described in each respectively a plurality of finger print datas for triggering this whois lookup, if so, triggers this server and generate the successful information of authentication.
It should be noted that, described finger print data authentication module 505 to be verified and described first module 503 that bears fruit is connected, described first module 503 that bears fruit is sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal, can trigger this finger print data authentication module 505 to be verified and carry out corresponding actions.
From above technical scheme, a kind of authentication means that the application provides can realize when the finger print data to be verified gathering does not meet default collection standard, again finger print data is gathered, the finger print data to be verified that can guarantee to be sent to server is the finger print data that meets described default collection standard, thereby improve the accuracy of fingerprint recognition, improve the accuracy of identification.
Corresponding said method embodiment tri-, the application also provides a kind of authentication means, and this application of installation, in payment terminal, is provided with security coprocessor in this payment terminal.Specifically refer to Fig. 6, the structural representation that it shows this device, specifically comprises: finger print data acquisition module 601 to be verified, finger print data encrypting module 602 to be verified, finger print data sending module 603 to be verified and finger print data authentication module 604 to be verified.Wherein:
Finger print data acquisition module 601 to be verified, for when receiving fingerprint authentication instruction, obtains respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately.
Finger print data sending module 602 to be verified, be used for sending the request of encryption to described server, trigger described server and return with the payment terminal in described encryption request and identify corresponding key, and trigger described security coprocessor and according to described key, described a plurality of finger print datas to be verified are encrypted.
Wherein, each payment terminal has sign, includes payment terminal sign in the encryption request that finger print data sending module 602 to be verified sends to server, triggers server transmission and identifies corresponding key with this payment terminal.In described security coprocessor, be provided with cryptographic algorithm, at finger print data sending module 603 to be verified, send described a plurality of finger print datas to be verified to server, finger print data sending module 602 to be verified can be encrypted described a plurality of finger print datas to be verified according to described cryptographic algorithm and key, thereby guarantees the fail safe of described a plurality of finger print datas to be verified.Certainly, described cryptographic algorithm is any one or multiple encryption algorithms in prior art.
It should be noted that, in described payment terminal, can also be provided with PSAM card is terminal security control module, in described PSAM card, be provided with cryptographic algorithm and be connected with described security coprocessor, this module can comprise PSAM card encryption submodule, for triggering the cryptographic algorithm of the described PSAM card of described security coprocessor foundation, described a plurality of finger print datas to be verified is encrypted.
Finger print data sending module 603 to be verified, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal.
Whether finger print data authentication module 604 to be verified, there are identical with finger print data to be verified described in each respectively a plurality of finger print datas for triggering this whois lookup, if so, triggers this server and generate the successful information of authentication.
It should be noted that, in described above-mentioned each device embodiment, server need to be verified the finger print data to be verified receiving whether have the finger print data identical with described a plurality of finger print datas to be verified in the finger print data that judgement prestores.Therefore,, on the basis of above-mentioned each device, can also comprise: finger print data acquisition module to be stored and finger print data memory module to be stored; Wherein:
Finger print data acquisition module to be stored, for when receiving fingerprint registering instruction, obtains respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately.
Described fingerprint registering instruction can generate according to manual operation, when needs carry out fingerprint while prestoring, described payment terminal is clicked etc. to trigger action, thereby trigger described payment terminal and generate fingerprint registering instruction, and this instruction is sent to the final controlling element of this step, thereby this final controlling element can be carried out and obtain the finger print data that described a plurality of fingerprint sensor gathers separately, and the finger print data of current collection is finger print data to be stored.
Finger print data memory module to be stored, for when described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
Wherein, described default collection standard is identical with the default collection standard in said method embodiment bis-, can comprise fingerprint number normal term and fingerprint clear degree normal term.When the definition that simultaneously meets fingerprint number standard and fingerprint when described a plurality of finger print datas to be stored meets resolution standard, finger print data memory module to be stored can be sent to this server by the plurality of finger print data to be stored.It should be noted that, described trigger action can be identical with the trigger action principle in said method embodiment mono-, when described a plurality of finger print datas to be stored are sent to after this server, described sending action can be used as a kind of triggering command, makes this server carry out the described a plurality of finger print datas to be stored of storage.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an auth method, is characterized in that, is applied to payment terminal, is provided with a plurality of fingerprint sensors in described payment terminal, and the method comprises:
When receiving fingerprint authentication instruction, obtain respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately;
Described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal;
Trigger this whois lookup and whether have identical with finger print data to be verified described in each respectively a plurality of finger print datas, if so, trigger this server and generate the successful information of authentication.
2. method according to claim 1, is characterized in that, describedly described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal comprise:
Judge whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree;
If so, described a plurality of finger print datas to be verified are sent to the server being connected with described payment terminal;
Otherwise, obtain new finger print data a plurality of to be verified, and return to carry out to judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
3. method according to claim 1, is characterized in that, described payment terminal is also provided with security coprocessor; Wherein:
Described a plurality of described finger print datas to be verified are sent to the server being connected with described payment terminal simultaneously before, also comprise:
The request of send encrypting is to described server, triggers described server and returns with the payment terminal in described encryption request and identify corresponding key;
Triggering described security coprocessor is encrypted described a plurality of finger print datas to be verified according to described key.
4. method according to claim 3, is characterized in that, described payment terminal is also provided with PSAM card; Wherein:
The described security coprocessor of described triggering is encrypted and comprises described a plurality of finger print datas to be verified:
Triggering described security coprocessor is encrypted described a plurality of finger print datas to be verified according to the cryptographic algorithm in described PSAM card.
5. method according to claim 1, is characterized in that, described, when receiving fingerprint authentication instruction, before obtaining respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately, also comprises:
When receiving fingerprint registering instruction, obtain respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately;
When described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
6. an authentication means, is characterized in that, is applied to payment terminal, is provided with a plurality of fingerprint sensors in described payment terminal, comprising:
Finger print data acquisition module to be verified, for when receiving fingerprint authentication instruction, obtains respectively the finger print data to be verified that described a plurality of fingerprint sensor gathers separately;
Finger print data sending module to be verified, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal;
Whether finger print data authentication module to be verified, there are identical with finger print data to be verified described in each respectively a plurality of finger print datas for triggering this whois lookup, if so, triggers this server and generate the successful information of authentication.
7. device according to claim 6, is characterized in that, described finger print data sending module to be verified comprises:
Judgement submodule, for judging whether described a plurality of finger print data to be verified meets default collection standard; Wherein, described default collection standard comprises fingerprint number and fingerprint clear degree; If so, trigger first module that bears fruit, otherwise, second module that bears fruit triggered;
First module that bears fruit, for being sent to by described a plurality of finger print datas to be verified the server being connected with described payment terminal;
Second module that bears fruit, for obtaining new finger print data a plurality of to be verified, and returns to carry out judge whether described new finger print data a plurality of to be verified meets default collection standard, until described new finger print data a plurality of to be verified meets described default collection standard.
8. device according to claim 6, is characterized in that, described payment terminal is also provided with security coprocessor; Wherein, this device also comprises:
Finger print data encrypting module to be verified, for described a plurality of described finger print datas to be verified are sent to the server being connected with described payment terminal simultaneously before, send the request of encryption to described server, trigger described server and return with the payment terminal in described encryption request and identify corresponding key, trigger described security coprocessor and according to described key, described a plurality of finger print datas to be verified are encrypted.
9. device according to claim 8, is characterized in that, described payment terminal is also provided with PSAM card; Wherein, described finger print data encrypting module to be verified can comprise:
PSAM card encryption submodule, is encrypted described a plurality of finger print datas to be verified for triggering the cryptographic algorithm of the described PSAM card of described security coprocessor foundation.
10. device according to claim 6, is characterized in that, also comprises:
Finger print data acquisition module to be stored, for when receiving fingerprint registering instruction, obtains respectively the finger print data to be stored that described a plurality of fingerprint sensor gathers separately;
Finger print data memory module to be stored, for when described a plurality of finger print datas to be stored meet default collection standard, described a plurality of finger print datas to be stored are sent to the server being connected with described payment terminal, trigger a plurality of finger print datas to be stored described in this server stores.
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| CN201410211657.2A CN103957107A (en) | 2014-05-19 | 2014-05-19 | Identity authentication method and device |
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