CN107302433A - Method of calibration, verification server and the user terminal of electronic signature - Google Patents
Method of calibration, verification server and the user terminal of electronic signature Download PDFInfo
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- CN107302433A CN107302433A CN201610235185.3A CN201610235185A CN107302433A CN 107302433 A CN107302433 A CN 107302433A CN 201610235185 A CN201610235185 A CN 201610235185A CN 107302433 A CN107302433 A CN 107302433A
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- handwritten signature
- user terminal
- exercise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
Abstract
The present invention discloses a kind of method of calibration of electronic signature, verification server and user terminal, the handwritten signature that the carrying personally identifiable information that user sends for an item is received by verifying server is asked, so that user terminal obtains a handwritten signature interface, the handwritten signature interface is based on for the corresponding handwritten signature of item offer for user；Receive handwritten signature for the item and the associated data of the personally identifiable information that user terminal is sent, the checking sample for the handwritten signature associated with the personally identifiable information that extraction has been preserved；Calculate the handwritten signature and the similarity of the checking sample extracted；If the similarity calculated is more than the first predetermined threshold value, the handwritten signature of the item is directed to by the user；Or：If the similarity calculated is less than or equal to first predetermined threshold value, refuse the handwritten signature that the user is directed to the item；The beneficial effect signed electronically with automatic Verification.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of method of calibration of electronic signature,
Verify server and user terminal.
Background technology
With the popularization made constant progress with intelligent terminal of science and technology, people more and more work
It will be carried out with life dependent on intelligent terminal, so as to improving operating efficiency and work and life
Convenience, brings easily and easily experiences.For example, needing many of user's signature
Field, most of unit completes signature by the way of electronic signature, i.e.,：In intelligent terminal
It is upper using electronic signature by the way of, come replace it is traditional in papery by the way of handwritten signature.
The digital picture of electronic signature not written signature, it is similar to handwritten signature or electronics
Seal, is the signature by cryptographic technique to the electronic form of electronic document；Electronic signature is referred to：
It is electronically contained in electronic message, appended to be used to recognize signer's identity and show that signer recognizes
Can wherein content data.Therefore, be to the verification of electronic signature current industry faced it is main
One of problem.During actual electronic signature, generally there is user and sign image or word
It is not the situation of required target text, existing processing mode is that electronic signature is used
The mode of manual examination and verification is verified, and this verification mode wastes time and energy, waste of resource.
The content of the invention
In view of the foregoing, it is necessary to which a kind of method of calibration of electronic signature, verification server are provided
And user terminal, it is intended to the purpose of automatic Verification electronic signature is reached, the verification of electronic signature is improved
Efficiency, economizes on resources.
The invention discloses a kind of method of calibration of electronic signature, comprise the following steps：
A, verification server receive the carrying personally identifiable information that user sends for an item
Handwritten signature is asked so that user terminal obtains a handwritten signature interface, and the hand is based on for user
Write signature interface and provide corresponding handwritten signature for the item；
The handwritten signature for the item that B, reception user terminal are sent is believed with the personal identification
The associated data of breath, extracts the handwritten signature that is associated with the personally identifiable information preserved and tests
Demonstrate,prove sample；
C, the similarity for calculating the handwritten signature and the checking sample extracted；
If D, the similarity calculated are more than the first predetermined threshold value, it is directed to by the user
The handwritten signature of the item；Or：If the similarity calculated is less than or equal to described
First predetermined threshold value, then refuse the handwritten signature that the user is directed to the item.
Preferably, it is described so that user terminal obtain a handwritten signature interface include：
Verify server and send handwritten signature interface to the user terminal, control the user terminal
Show the handwritten signature interface；Or,
Verify server and send interface generation information to the user terminal, control the user terminal
The electronic signature application program of operation automatically generates a handwritten signature interface.
Preferably, the method for calibration of the electronic signature is before step A, in addition to：
A1, verification server receive the electronic signature for the carrying personally identifiable information that user terminal is sent
User's registration is asked so that user terminal obtains the parameter setting interface of handwritten signature, for user's base
In the parameter setting interface, the checking sample of the corresponding handwritten signature of electronic signature is set；
A2, the handwritten signature that is associated with the personally identifiable information for receiving user terminal generation are tested
Sample is demonstrate,proved, and preserves the associated data of the personally identifiable information and the checking sample.
Preferably, the handwritten signature that the user terminal generation is associated with the personally identifiable information
Sample is verified, including：
D1, based on the corresponding personally identifiable information of user, user terminal receives user's handwriting input
The qualified exercise sample of handwritten signature；
Whether D2, the quantity for recording and analyzing the qualified exercise sample received are equal to default hand
Write exercise number of times；Wherein, the default handwriting exercise number of times is the natural number more than 1；
If D3, the quantity for analyzing the qualified exercise sample of receive described are equal to default handwriting exercise
Number of times, then according to all qualified exercise samples received, generation is closed with the personally identifiable information
The checking sample of the handwritten signature of connection；Or, if analyzing the qualified exercise sample received
Quantity be less than the default handwriting exercise number of times, then repeat step D1, D2 and D3.
Preferably, the step D1 includes：
D11, based on the corresponding personally identifiable information of user, it is hand-written defeated that user terminal receives user
During the corresponding first exercise sample of the handwritten signature that enters, prompting selection interface is sent, user is pointed out
Whether described first of selection receiving input practises sample；
If user's selection does not receive first exercise sample, return and perform step D11；If
User's selection receives first exercise sample, then performs following steps：
D12, using described first exercise sample as benchmark practise sample, receiving use every time
During the exercise sample to be verified of family handwriting input, the exercise sample to be verified is practiced with the benchmark
Practise sample and carry out Sample Similarity calculating；
If D13, the Sample Similarity calculated are more than the second predetermined threshold value, school is treated into reception
Exercise sample is tested as qualified exercise sample；Or, if the Sample Similarity calculated be less than or
Equal to the second predetermined threshold value, then the exercise sample to be verified received is deleted.
Corresponding to a kind of method of calibration of electronic signature disclosed above, the invention also discloses one
Verification server is planted, the verification server is applied to the verification side of electronic signature described above
Method；Wherein, the verification server includes：
Receiving module, for receiving the carrying personally identifiable information that user sends for an item
Handwritten signature is asked so that user terminal obtains a handwritten signature interface, and the hand is based on for user
Write signature interface and provide corresponding handwritten signature for the item；
Extraction module, handwritten signature for the item and institute for receiving user terminal transmission
State the associated data of personally identifiable information, extract being associated with the personally identifiable information of having preserved
The checking sample of handwritten signature；
Computing module, for calculating the handwritten signature and the similarity of the checking sample extracted；
Correction verification module, if being more than the first predetermined threshold value for the similarity calculated, passes through
The user is directed to the handwritten signature of the item；Or：If the similarity calculated be less than or
Person is equal to first predetermined threshold value, then refuses the handwritten signature that the user is directed to the item.
Preferably, the receiving module is additionally operable to：
Handwritten signature interface is sent to the user terminal, hand described in the user terminal displays is controlled
Write signature interface；Or,
Interface generation information is sent to the user terminal, the electronics of the user terminal operation is controlled
Signature application program automatically generates a handwritten signature interface.
Preferably, the verification server also includes：
Registering modules, the electronic signature of the carrying personally identifiable information for receiving user terminal transmission
User's registration is asked so that user terminal obtains the parameter setting interface of handwritten signature, for user's base
In the parameter setting interface, the checking sample of the corresponding handwritten signature of electronic signature is set；
Memory module, the hand associated with the personally identifiable information for receiving user terminal generation
The checking sample of signature is write, and preserves the incidence number of the personally identifiable information and the checking sample
According to.
Corresponding to a kind of method of calibration of electronic signature disclosed above, the invention also discloses one
User terminal is planted, the user terminal is applied to the method for calibration of electronic signature described above；
Wherein, the user terminal includes：
Input module, for based on the corresponding personally identifiable information of user, receiving user's handwriting input
Handwritten signature qualified exercise sample；
Processing module, whether the quantity of the qualified exercise sample received for recording and analyzing
Equal to default handwriting exercise number of times；Wherein, the default handwriting exercise number of times is the natural number more than 1；
Generation module, if being equal in advance for the quantity for analyzing the qualified exercise sample received
If handwriting exercise number of times, then according to all qualified exercise samples received, generation and the individual
The checking sample of the handwritten signature of identity information association.
Preferably, the input module includes：
Tip element, for based on the corresponding personally identifiable information of user, user terminal to receive use
During the corresponding first exercise sample of the handwritten signature of family handwriting input, prompting selection interface is sent,
Prompt the user whether that selection receives first exercise sample of input；
Computing unit, if receiving first exercise sample for user's selection, by described the
One exercise sample practises sample as benchmark, and the to be verified of user's handwriting input is being received every time
When practising sample, the exercise sample to be verified and benchmark exercise sample are subjected to sample similar
Degree is calculated；
Dispensing unit, presets if being more than second for the Sample Similarity that the computing unit is calculated
Threshold value, then regard the exercise sample to be verified of reception as qualified exercise sample；Or, if the meter
The Sample Similarity that calculation unit is calculated is less than or equal to the second predetermined threshold value, then deletes and receive
The exercise sample to be verified.
A kind of method of calibration of electronic signature of the present invention, verification server and user terminal can reach
Following beneficial effect：
The carrying personally identifiable information that user sends for an item is received by verifying server
Handwritten signature is asked so that user terminal obtains a handwritten signature interface, and the hand is based on for user
Write signature interface and provide corresponding handwritten signature for the item；Receive the pin that user terminal is sent
Handwritten signature and the associated data of the personally identifiable information to the item, extract what is preserved
The checking sample of the handwritten signature associated with the personally identifiable information；Calculate the handwritten signature with
The similarity of the checking sample extracted；If the similarity calculated is more than the first default threshold
Value, then be directed to the handwritten signature of the item by the user；Or：If the phase calculated
It is less than or equal to first predetermined threshold value like degree, then refuses the hand that the user is directed to the item
Write signature；The beneficial effect signed electronically with automatic Verification, improves the verification effect of electronic signature
Rate, has saved corresponding resource.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the embodiment for the method for calibration that the present invention signs electronically；
Fig. 2 is the schematic flow sheet of the another embodiment for the method for calibration that the present invention signs electronically；
During Fig. 3 is the method for calibration that signs electronically of the present invention, the ginseng of the handwritten signature of user terminal displays
Number sets a kind of interface schematic diagram of embodiment at interface；
During Fig. 4 is the method for calibration that signs electronically of the present invention, user terminal generation Handwritten signature verfication sample
A kind of schematic flow sheet of this embodiment；
During Fig. 5 is the method for calibration that signs electronically of the present invention, the one of step S50 in embodiment described in Fig. 4
Plant the schematic flow sheet of embodiment；
Fig. 6 is a kind of block diagram of embodiment of present invention verification server；
Fig. 7 is the block diagram of the another embodiment of present invention verification server；
Fig. 8 is a kind of block diagram of embodiment of user terminal of the present invention；
During Fig. 9 is user terminal of the present invention, a kind of implementation of input module 210 in embodiment described in Fig. 8
The block diagram of mode.
Realization, functional characteristics and the advantage of purpose of the embodiment of the present invention will in conjunction with the embodiments, with reference to attached
Figure is described further.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, limit is not used to
The fixed present invention.
The invention provides a kind of method of calibration of electronic signature, it is intended to reaches automatic Verification electronics label
The purpose of name, improves the verification efficiency of electronic signature, economizes on resources.As shown in figure 1, present invention electricity
The method of calibration of son signature may be implemented as the step S10-S40 of description：
Step S10, verification server receive the carrying personal identification letter that user sends for an item
The handwritten signature request of breath so that user terminal obtains a handwritten signature interface, and institute is based on for user
State handwritten signature interface and provide corresponding handwritten signature for the item；
In the embodiment of the present invention, what verification server one user of reception sent is directed to an item
Handwritten signature request, for example, user pass through it is hand-written in the operation interface that is shown on user terminal
Button triggering of signing is asked for some file or for the triggering handwritten signature such as process affairs
Ask；And the corresponding personally identifiable information of the user is carried in above-mentioned handwritten signature request, for example,
Name, post, job number, identification number of the user etc..The embodiment of the present invention is corresponding to user
The particular content of personally identifiable information is not limited, as long as can be true according to above-mentioned personally identifiable information
Recognize the user.
Verification server receives the handwritten signature request of the carrying personally identifiable information of user's transmission
Afterwards, control user terminal obtains a handwritten signature interface, so that user is based on above-mentioned handwritten signature
Interface inputs corresponding handwritten signature for the item.User is based on the above-mentioned of user terminal displays
Handwritten signature interface, the corresponding handwritten signature of handwriting input.User terminal obtains user and is based on display
The handwritten signature that is inputted of above-mentioned handwritten signature interface, and the above-mentioned handwritten signature that user is inputted
The associated data of personally identifiable information corresponding with user is sent to verification server.
In a preferred embodiment of the invention, verification server can pass through the following two kinds mode control
User terminal processed obtains corresponding handwritten signature interface：
One way in which is：Verify server and send handwritten signature interface, control to user terminal
The above-mentioned handwritten signature interface that the user terminal displays verification server is sent；Another way is：
Verify server and send interface generation information to user terminal, user terminal receives verification server
After the above-mentioned interface generation information sent, information, the electricity of user terminal operation are generated based on the interface
Son signature application program automatically generates corresponding handwritten signature interface.
Step S20, receive handwritten signature for the item and the individual that user terminal is sent
The associated data of identity information, extracts the hand-written label associated with the personally identifiable information preserved
The checking sample of name；
Verification server receives the hand-written label inputted for above-mentioned item user of user's transmission
Name, and handwritten signature personally identifiable information corresponding with user associated data；Based on reception
The corresponding personally identifiable information of user arrived, the personal identification letter that verification whois lookup has been preserved
The checking sample of the corresponding handwritten signature of breath, and the above-mentioned personally identifiable information found is corresponding
The checking sample extraction come out.
In a preferred embodiment of the invention, the corresponding handwritten signature of the personally identifiable information
Checking sample can only have one；For different concrete application fields, the personal identification letter
Ceasing the checking sample of corresponding handwritten signature can also have multiple.
Step S30, the similarity for calculating the handwritten signature and the checking sample extracted；
If step S40, the similarity calculated are more than the first predetermined threshold value, pass through the user
For the handwritten signature of the item；Or：If the similarity calculated is less than or equal to
First predetermined threshold value, then refuse the handwritten signature that the user is directed to the item.
After the checking sample for extracting handwritten signature corresponding to the personally identifiable information of user, verification
Server calculates the similar of the handwritten signature of the checking sample input corresponding with user extracted
Degree, and the above-mentioned similarity calculated is compared with corresponding first predetermined threshold value；If calculating
The above-mentioned similarity gone out is more than the first predetermined threshold value, then verifies server upper by being directed to the user
State the handwritten signature of item；If the above-mentioned similarity calculated is less than or equal to the first predetermined threshold value,
Then refuse the handwritten signature that the user is directed to above-mentioned item.
In embodiments of the present invention, the size of above-mentioned first predetermined threshold value can be directed to according to user
Different items are set；If pre- by first for example, the security required by above-mentioned item is higher
If the value of threshold value is set to higher numerical value, such as 99%；If the safety required by above-mentioned item
Property it is general, then the value of the first predetermined threshold value is set to general numerical value, such as 95%；If on
The security stated required by item is relatively low, then is set to the value of above-mentioned first predetermined threshold value relatively low
Numerical value, such as 90%.The embodiment of the present invention is not done to the specific value of above-mentioned first predetermined threshold value
It is specific to limit.
The method of calibration that the present invention signs electronically receives user for an item by verifying server
The handwritten signature request of the carrying personally identifiable information of transmission so that user terminal obtains a hand-written label
Name interface, the handwritten signature interface is based on for the corresponding hand-written label of item offer for user
Name；Receive handwritten signature for the item and the personally identifiable information that user terminal is sent
Associated data, extract the checking of the handwritten signature associated with the personally identifiable information preserved
Sample；Calculate the handwritten signature and the similarity of the checking sample extracted；If calculating
The similarity is more than the first predetermined threshold value, then the handwritten signature of the item is directed to by the user；
Or：If the similarity calculated is less than or equal to first predetermined threshold value, refuse
The user is directed to the handwritten signature of the item；The beneficial effect signed electronically with automatic Verification,
The verification efficiency of electronic signature is improved, corresponding resource has been saved.
In the method for calibration signed electronically based on the description of embodiment described in Fig. 1, the present invention, verification clothes
When business device receives the electronic signature user's registration request of user terminal triggering, receive and preserve the note
The personally identifiable information of the corresponding user of volume request and the checking sample of handwritten signature.
As shown in Fig. 2 " step of the method for calibration of the invention signed electronically in embodiment described in Fig. 1
S10, verification server receive the hand-written of the carrying personally identifiable information that user sends for an item
Signature request so that user terminal obtains a handwritten signature interface, the hand-written label are based on for user
Name interface provides corresponding handwritten signature for the item " before, in addition to step S11-S12：
Step S11, verification server receive the electronics for the carrying personally identifiable information that user terminal is sent
User's registration of signing request so that user terminal obtains the parameter setting interface of handwritten signature, for
Family sets the checking sample of the corresponding handwritten signature of electronic signature based on the parameter setting interface；
In the embodiment of the present invention, verification server receives the electronic signature user of user terminal transmission
Registration request, carries the personally identifiable information of user, example in electronic signature user's registration request
Name, post, job number, the identification number of such as user；Electronic signature user's registration request
Triggering mode includes but is not limited to：User is based on the registration in the operation interface shown on user terminal
Button is sent；Wherein, the generating mode of the operation interface of user terminal displays includes but not limited
In：After user terminal access verification server, send described from verification server to user terminal
Operation interface, the operation interface sent based on verification server, the above-mentioned behaviour of user terminal displays
Make interface；Or, after user clicks on the electronic signature application program that operation user terminal is loaded,
The operation interface is generated by the electronic signature application program.
Verification server receives the electronic signature user's registration request of above-mentioned carrying personally identifiable information
When, verification server sends handwritten signature parameter setting interface to user terminal, and user terminal is received
The above-mentioned parameter setting interface that server is sent is verified, and shows that above-mentioned parameter sets interface；Or,
Verify server and send parameter setting interface generation information to user terminal, user terminal receives school
The above-mentioned parameter for testing server transmission sets interface to generate after information, based on parameter setting interface life
Into information, the electronic signature application program of user terminal operation automatically generates corresponding handwritten signature ginseng
Number sets interface.Interface shown in Fig. 3 is a kind of embodiment party at above-mentioned handwritten signature parameter setting interface
Formula, sets interface, user can set handwriting exercise number of times based on the above-mentioned parameter that Fig. 3 is shown；Root
The handwriting exercise number of times set according to user, user terminal generation Handwritten signature verfication sample, and will be raw
Into above-mentioned Handwritten signature verfication sample and the personally identifiable information of user be associated so that will be upper
The associated data for stating Handwritten signature verfication sample and the personally identifiable information is sent to verification service
Device.
Step S12, the handwritten signature associated with the personally identifiable information for receiving user terminal generation
Checking sample, and preserve the personally identifiable information with it is described checking sample associated data.
Verify server and receive the above-mentioned Handwritten signature verfication sample that user terminal is sent, and will be hand-written
Signature verification sample, the personally identifiable information of user corresponding with above-mentioned Handwritten signature verfication sample,
And the associated data of above-mentioned checking sample and above-mentioned personally identifiable information is preserved in the lump, for follow-up
When receiving the handwritten signature for carrying personally identifiable information, by of the handwritten signature of acquisition and preservation
The checking sample of people's identity information association carries out similarity-rough set.
The method of calibration that the present invention signs electronically receives taking for user terminal transmission by verifying server
Electronic signature user's registration request with personally identifiable information so that user terminal obtains handwritten signature
Parameter setting interface, be based on the parameter setting interface for user and the corresponding hand of electronic signature be set
Write the checking sample of signature；Receive the hand associated with the personally identifiable information of user terminal generation
The checking sample of signature is write, and preserves the incidence number of the personally identifiable information and the checking sample
According to；Improve the convenience of electric signing verification.
In the method for calibration signed electronically based on the description of embodiment described in Fig. 1 and Fig. 2, the present invention,
User terminal generates the process of Handwritten signature verfication sample, can be described using embodiment described in Fig. 4
Technical scheme.
As shown in figure 4, in the method for calibration that the present invention signs electronically, user terminal generation handwritten signature
Checking sample may be implemented as the step S50-S80 of description：
Step S50, based on the corresponding personally identifiable information of user, it is hand-written defeated that user terminal receives user
The qualified exercise sample of the handwritten signature entered；
In the embodiment of the present invention, user can be corresponding based on personally identifiable information login user terminal
Sign electronically application program, so that based on the corresponding personally identifiable information of user, user terminal is received
The corresponding qualified exercise sample of handwritten signature of user's handwriting input.
In a preferred embodiment of the invention, for above-mentioned qualified exercise sample, user terminal can
Qualified exercise is defaulted as with all exercise sample standard deviations that can distinguish the user terminal itself
Sample.Or, based on the Permission Levels of above-mentioned personally identifiable information, user terminal is specifically defined white silk
Practise the criterion of acceptability of sample.Specific requirement of the embodiment of the present invention to above-mentioned qualified exercise sample is not done
Limit.
Whether step S60, the quantity for recording and analyzing the qualified exercise sample received are equal in advance
If handwriting exercise number of times；
If the quantity for analyzing the qualified exercise sample received is equal to default handwriting exercise
Number, then perform step S70；If the quantity for analyzing the qualified exercise sample received is less than institute
Default handwriting exercise number of times is stated, then returns and performs step S50；
All qualified exercise samples that step S70, basis are received, generation is believed with the personal identification
Cease the checking sample of the handwritten signature of association.
The quantity for the above-mentioned qualified exercise sample that user terminal record is received, and analyze above-mentioned qualified
Whether the quantity of exercise sample has reached default handwriting exercise number of times；For example, the behaviour shown based on Fig. 3
Make interface, the exercise number of times that user is set is 5, then the above-mentioned qualified white silk that user terminal analysis is received
Whether the quantity for practising sample has reached 5.In the embodiment of the present invention, in order to improve user's handwritten signature
Stability, it is the natural number more than 1 to set default handwriting exercise number of times.
The quantity of qualified exercise sample of the user terminal based on user's input received by record,
If the quantity for analyzing the qualified exercise sample received is equal to default handwriting exercise number of times,
According to all qualified exercise samples received, it is hand-written that generation is associated with the personally identifiable information
The checking sample of signature.If user terminal analyzes the quantity of the qualified exercise sample received
Less than the default handwriting exercise number of times, then above-mentioned steps S50 and step S60 are repeated, until
The quantity of above-mentioned qualified exercise sample reaches default handwriting exercise number of times.
In a preferred embodiment of the invention, user terminal can be by all handwritten signatures
The characteristic parameter of qualified exercise sample is fitted, and generates the checking sample of handwritten signature；For example,
Using the fit approach of characteristic parameter, multiple reference values of same characteristic parameter are averaged, it is maximum
With minimum reference value as deviation, so as to be fitted the checking sample for obtaining handwritten signature.
Further, in a preferred embodiment of the invention, in order to prevent user's handwritten signature
Unstability, and then cause the difference of different handwritten signatures exercise samples excessive, influence hand-written label
The Similarity Measure error of name, as shown in figure 5, in the method for calibration that the present invention signs electronically, Fig. 4
In the embodiment " step S50, based on the corresponding personally identifiable information of user, user terminal is received
The qualified exercise sample of the handwritten signature of user's handwriting input ", may be implemented as steps as described below
S510-S530：
Step S510, based on the corresponding personally identifiable information of user, user terminal receives user's hand
Write input handwritten signature it is corresponding first exercise sample when, send prompting selection interface, point out
Whether user selects the first exercise sample for receiving to input；
If user's selection does not receive first exercise sample, return and perform step S510；If
User's selection receives first exercise sample, then performs steps as described below S520-S530：
Step S520, using described first exercise sample as benchmark practise sample, receiving every time
To user's handwriting input exercise sample to be verified when, by exercise sample and the base to be verified
Quasi- exercise sample carries out Sample Similarity calculating；
If step S530, the Sample Similarity calculated are more than the second predetermined threshold value, by reception
Exercise sample to be verified is used as qualified exercise sample；Or, if the Sample Similarity calculated is less than
Or equal to the second predetermined threshold value, then delete the exercise sample to be verified received.
In embodiments of the present invention, the size of above-mentioned second predetermined threshold value can be corresponding according to user
Authority that personally identifiable information possesses is set；If for example, the corresponding personally identifiable information of user
The authority possessed is higher, then the value of the second predetermined threshold value is set to higher numerical value, for example
99%；If the authority that the corresponding personally identifiable information of user possesses is general, by the second default threshold
The value of value is set to general numerical value, such as 95%；If the corresponding personally identifiable information institute of user
The authority possessed is relatively low, then the value of above-mentioned second predetermined threshold value is set into relatively low numerical value, example
Such as 90%.Certainly, above-mentioned second predetermined threshold value and the first default threshold described in embodiment described in Fig. 1
The value of value, can be the same or different, and the embodiment of the present invention is to above-mentioned second predetermined threshold value
Specific value is also not specifically limited.
The method of calibration that the present invention signs electronically is based on the corresponding personal identification of user by user terminal
Information, receives the qualified exercise sample of the handwritten signature of user's handwriting input；Record and analyze reception
Whether the quantity of the qualified exercise sample arrived is equal to default handwriting exercise number of times；Connect if analyzing
The quantity of the qualified exercise sample received is equal to default handwriting exercise number of times, then basis is received
All qualified exercise samples, generate the checking of handwritten signature associated with the personally identifiable information
Sample；Or, if the quantity for analyzing the qualified exercise sample received is less than described preset
Handwriting exercise number of times, then repeat correspondence step；With raising user's Handwritten signature verfication sample
The beneficial effect of stability, reduces the calculation error of handwritten signature similarity, improves electronics label
The accuracy of name checking.
Corresponding to the description of embodiment described in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention is also provided
A kind of verification server, the verification server is applied to one described by any of the above-described embodiment
Plant the method for calibration of electronic signature；As shown in fig. 6, present invention verification server includes：Receiving module
110th, extraction module 120, computing module 130 and correction verification module 140；Wherein：
Receiving module 110, for receiving the carrying personally identifiable information that user sends for an item
Handwritten signature request so that user terminal obtains a handwritten signature interface, is based on for user described
Handwritten signature interface provides corresponding handwritten signature for the item；
In the embodiment of the present invention, the receiving module 110 of verification server receives what a user sent
For the handwritten signature request of item, for example, user passes through the operation that is shown on user terminal
Handwritten signature button triggering on interface is triggered for some file or for process affairs etc.
Handwritten signature is asked；And the corresponding personal identification letter of the user is carried in above-mentioned handwritten signature request
Breath, for example, the name of the user, post, job number, identification number etc..The embodiment of the present invention pair
The particular content of the corresponding personally identifiable information of user is not limited, as long as according to above-mentioned personal identification
Information is able to confirm that out the user.
Receiving module 110 receives the handwritten signature request of the carrying personally identifiable information of user's transmission
Afterwards, control user terminal obtains a handwritten signature interface, so that user is based on above-mentioned handwritten signature
Interface inputs corresponding handwritten signature for the item.User is based on the above-mentioned of user terminal displays
Handwritten signature interface, the corresponding handwritten signature of handwriting input.User terminal obtains user and is based on display
The handwritten signature that is inputted of above-mentioned handwritten signature interface, and the above-mentioned handwritten signature that user is inputted
The associated data of personally identifiable information corresponding with user is sent to verification server.
In a preferred embodiment of the invention, receiving module 110 can pass through the following two kinds mode control
User terminal processed obtains corresponding handwritten signature interface：
One way in which is：Receiving module 110 sends handwritten signature interface, control to user terminal
The above-mentioned handwritten signature interface that the user terminal displays verification server is sent；Another way is：
Receiving module 110 sends interface generation information to user terminal, and user terminal receives verification server
After the above-mentioned interface generation information sent, information, the electricity of user terminal operation are generated based on the interface
Son signature application program automatically generates corresponding handwritten signature interface.
Extraction module 120, for receive user terminal transmission handwritten signature for the item and
The associated data of the personally identifiable information, what extraction had been preserved associates with the personally identifiable information
Handwritten signature checking sample；
Extraction module 120 receives the hand-written label inputted for above-mentioned item user of user's transmission
Name, and handwritten signature personally identifiable information corresponding with user associated data；Based on reception
The corresponding personally identifiable information of user arrived, extraction module 120 searches the personal identification letter preserved
The checking sample of the corresponding handwritten signature of breath, and the above-mentioned personally identifiable information found is corresponding
The checking sample extraction come out.
In a preferred embodiment of the invention, the corresponding handwritten signature of the personally identifiable information
Checking sample can only have one；For different concrete application fields, the personal identification letter
Ceasing the checking sample of corresponding handwritten signature can also have multiple.
Computing module 130, it is similar to the checking sample of extraction for calculating the handwritten signature
Degree；
Correction verification module 140, if being more than the first predetermined threshold value for the similarity calculated, leads to
Cross the handwritten signature that the user is directed to the item；Or：If the similarity calculated is less than
Or equal to first predetermined threshold value, then refuse the handwritten signature that the user is directed to the item.
Extraction module 120 extracts the checking of the handwritten signature corresponding to the personally identifiable information of user
After sample, computing module 130 calculates the hand-written of the checking sample extracted input corresponding with user
The similarity of signature, the above-mentioned similarity that correction verification module 140 calculates computing module 130 with it is corresponding
The first predetermined threshold value be compared；If the above-mentioned similarity that computing module 130 is calculated is more than first
Predetermined threshold value, then correction verification module 140 pass through to the user be directed to above-mentioned item handwritten signature；If meter
The above-mentioned similarity that calculation module 130 is calculated is less than or equal to the first predetermined threshold value, then correction verification module
140 refuse the handwritten signature that the user is directed to above-mentioned item.
In embodiments of the present invention, the size of above-mentioned first predetermined threshold value can be directed to according to user
Different items are set；If pre- by first for example, the security required by above-mentioned item is higher
If the value of threshold value is set to higher numerical value, such as 99%；If the safety required by above-mentioned item
Property it is general, then the value of the first predetermined threshold value is set to general numerical value, such as 95%；If on
The security stated required by item is relatively low, then is set to the value of above-mentioned first predetermined threshold value relatively low
Numerical value, such as 90%.The embodiment of the present invention is not done to the specific value of above-mentioned first predetermined threshold value
It is specific to limit.
Present invention verification server is by receiving the carrying personal identification that user sends for an item
The handwritten signature request of information so that user terminal obtains a handwritten signature interface, is based on for user
The handwritten signature interface provides corresponding handwritten signature for the item；Receive user terminal hair
The handwritten signature for the item sent and the associated data of the personally identifiable information, are extracted
The checking sample of the handwritten signature associated with the personally identifiable information preserved；Calculate described hand-written
Signature and the similarity of the checking sample extracted；If the similarity calculated is more than first
Predetermined threshold value, then be directed to the handwritten signature of the item by the user；Or：If calculating
The similarity is less than or equal to first predetermined threshold value, then refuses the user for the thing
The handwritten signature of item；The beneficial effect signed electronically with automatic Verification, improves electronic signature
Efficiency is verified, corresponding resource has been saved.
Corresponding to the description of embodiment described in Fig. 6, as shown in fig. 7, present invention verification server is also wrapped
Include：Registering modules 150 and memory module 160；Wherein：
Registering modules 150, the electronics label of the carrying personally identifiable information for receiving user terminal transmission
Name user's registration request so that user terminal obtains the parameter setting interface of handwritten signature, for user
The checking sample of the corresponding handwritten signature of electronic signature is set based on the parameter setting interface；
In the embodiment of the present invention, the Registering modules 150 of verification server receive user terminal transmission
The user's registration that signs electronically request, carries the individual of user in electronic signature user's registration request
Identity information, such as the name of user, post, job number, identification number；The electronic signature is used
The triggering mode of family registration request includes but is not limited to：User is based on the operation shown on user terminal
Registration button on interface is sent；Wherein, the generation side of the operation interface of user terminal displays
Formula includes but is not limited to：After user terminal access verification server, by the registration of verification server
Module 150 sends the operation interface to user terminal, the operation sent based on verification server
Interface, user terminal displays aforesaid operations interface；Or, click on operation user terminal dress in user
After the electronic signature application program of load, the operation interface is generated by the electronic signature application program.
The electronic signature user's registration that Registering modules 150 receive above-mentioned carrying personally identifiable information please
When asking, Registering modules 150 send handwritten signature parameter setting interface to user terminal, and user terminal connects
The above-mentioned parameter setting interface that verification server is sent is received, and shows that above-mentioned parameter sets interface；Or
Person, Registering modules 150 send parameter setting interface to user terminal and generate information, and user terminal is received
The above-mentioned parameter sent to verification server sets interface to generate after information, based on parameter setting circle
Face generates information, and the electronic signature application program of user terminal operation automatically generates corresponding hand-written label
Name parameter setting interface.Interface shown in Fig. 3 is real for the one kind at above-mentioned handwritten signature parameter setting interface
Mode is applied, interface is set based on the above-mentioned parameter that Fig. 3 is shown, user can set handwriting exercise number of times；
The handwriting exercise number of times set according to user, user terminal generation Handwritten signature verfication sample, and will
The above-mentioned Handwritten signature verfication sample of generation and the personally identifiable information of user are associated, so that will
The associated data of above-mentioned Handwritten signature verfication sample and the personally identifiable information, which is sent to verification, to be serviced
Device.
Memory module 160, for receiving associating with the personally identifiable information for user terminal generation
The checking sample of handwritten signature, and preserve the personally identifiable information and associated with the checking sample
Data.
The memory module 160 for verifying server receives the above-mentioned Handwritten signature verfication that user terminal is sent
Sample, and by Handwritten signature verfication sample, corresponding with above-mentioned Handwritten signature verfication sample user
The associated data of personally identifiable information and above-mentioned checking sample and above-mentioned personally identifiable information is in the lump
Preserve, for it is subsequently received carrying personally identifiable information handwritten signature when, by the hand-written of acquisition
The checking sample associated with the personally identifiable information preserved of signing carries out similarity-rough set.
Present invention verification server is by receiving the electricity for carrying personally identifiable information that user terminal is sent
Son signature user's registration request so that user terminal obtains the parameter setting interface of handwritten signature, supplies
User sets the checking sample of the corresponding handwritten signature of electronic signature based on the parameter setting interface；
The checking sample of the handwritten signature associated with the personally identifiable information of user terminal generation is received,
And preserve the associated data of the personally identifiable information and the checking sample；Improve electronic signature
The convenience of checking.
Description based on Fig. 6 and embodiment illustrated in fig. 7, present invention also offers a kind of user terminal,
The user terminal possesses the repertoire of the user terminal described by any of the above embodiment；Such as Fig. 8
Shown, user terminal of the present invention includes：Input module 210, processing module 220 and generation module 230；
Wherein：
Input module 210, for based on the corresponding personally identifiable information of user, receiving user hand-written defeated
The qualified exercise sample of the handwritten signature entered；
In the embodiment of the present invention, user can be corresponding based on personally identifiable information login user terminal
Sign electronically application program, so that based on the corresponding personally identifiable information of user, user terminal it is defeated
Enter the corresponding qualified exercise sample of handwritten signature that module 210 receives user's handwriting input.
In a preferred embodiment of the invention, for above-mentioned qualified exercise sample, input module 210
All exercise sample standard deviations that the user terminal itself can be distinguished can be defaulted as qualified white silk
Practise sample.Or, based on the Permission Levels of above-mentioned personally identifiable information, input module 210 is specifically fixed
The criterion of acceptability of justice exercise sample.Specific requirement of the embodiment of the present invention to above-mentioned qualified exercise sample
Do not limit.
Processing module 220, received for recording and analyzing it is described it is qualified exercise sample quantity be
It is no to be equal to default handwriting exercise number of times；Wherein, the default handwriting exercise number of times is the nature more than 1
Number；
Generation module 230, if being equal to for the quantity for analyzing the qualified exercise sample received
Default handwriting exercise number of times, then according to all qualified exercise samples received, generate and described
The checking sample of the handwritten signature of people's identity information association.
Processing module 220 records the quantity of the above-mentioned qualified exercise sample received, and analyzes above-mentioned conjunction
Whether the quantity of lattice exercise sample has reached default handwriting exercise number of times；For example, shown based on Fig. 3
Operation interface, user set exercise number of times be 5, then processing module 220 analyze receive it is above-mentioned
Whether the quantity of qualified exercise sample has reached 5.It is hand-written in order to improve user in the embodiment of the present invention
The stability of signature, processing module 220 sets default handwriting exercise number of times to be the natural number more than 1.
The number of qualified exercise sample of the processing module 220 based on user's input received by record
Amount, if the quantity for analyzing the qualified exercise sample received is equal to default handwriting exercise number of times,
Then generation module 230 is according to all qualified exercise samples received, and generation is believed with the personal identification
Cease the checking sample of the handwritten signature of association.If processing module 220 analyzes receive described qualified
The quantity for practising sample is less than the default handwriting exercise number of times, then by input module 210 and processing mould
Block 220 repeats corresponding operation, until it is above-mentioned it is qualified exercise sample quantity reach it is default hand-written
Practise number of times.
In a preferred embodiment of the invention, the generation module 230 of user terminal can be by institute
The characteristic parameter for having the qualified exercise sample of handwritten signature is fitted, and generates the checking of handwritten signature
Sample；For example, fit approach of the generation module 230 using characteristic parameter, by same characteristic parameter
Multiple reference values are averaged, and minimum and maximum reference value obtains hand-written as deviation so as to be fitted
The checking sample of signature.
Further, in a preferred embodiment of the invention, as shown in figure 9, implementing described in Fig. 8
In example, the input module 210 of user terminal includes：Tip element 211, computing unit 212
With dispensing unit 213；Wherein：
Tip element 211, for based on the corresponding personally identifiable information of user, user terminal to be received
During the corresponding first exercise sample of the handwritten signature of user's handwriting input, prompting selection interface is sent,
Prompt the user whether that selection receives first exercise sample of input；
Computing unit 212, will be described if receiving first exercise sample for user's selection
First exercise sample practises sample as benchmark, and school is treated receive user's handwriting input every time
When testing exercise sample, the exercise sample to be verified is subjected to sample phase with benchmark exercise sample
Calculated like degree；
Dispensing unit 213, if it is pre- to be more than second for the Sample Similarity that the computing unit is calculated
If threshold value, then the exercise sample to be verified of reception is regard as qualified exercise sample；Or, if described
The Sample Similarity that computing unit is calculated is less than or equal to the second predetermined threshold value, then deletes and receive
The exercise sample to be verified arrived.
In embodiments of the present invention, the size of above-mentioned second predetermined threshold value can be corresponding according to user
Authority that personally identifiable information possesses is set；If for example, the corresponding personally identifiable information of user
The authority possessed is higher, then the value of the second predetermined threshold value is set to higher numerical value, for example
99%；If the authority that the corresponding personally identifiable information of user possesses is general, by the second default threshold
The value of value is set to general numerical value, such as 95%；If the corresponding personally identifiable information institute of user
The authority possessed is relatively low, then the value of above-mentioned second predetermined threshold value is set into relatively low numerical value, example
Such as 90%.Certainly, above-mentioned second predetermined threshold value and the first default threshold described in embodiment described in Fig. 1
The value of value, can be the same or different, and the embodiment of the present invention is to above-mentioned second predetermined threshold value
Specific value is also not specifically limited.
User terminal of the present invention is by based on the corresponding personally identifiable information of user, receiving user hand-written
The qualified exercise sample of the handwritten signature of input；Record and analyze the qualified exercise sample received
Whether this quantity is equal to default handwriting exercise number of times；If analyzing the qualified exercise received
The quantity of sample is equal to default handwriting exercise number of times, then according to all qualified exercise samples received,
Generate the checking sample of the handwritten signature associated with the personally identifiable information；Or, if analyzing
The quantity of the qualified exercise sample received is less than the default handwriting exercise number of times, then repeats
Perform correspondence step；With the beneficial effect for improving user's Handwritten signature verfication Almost Sure Sample Stability, drop
The low calculation error of handwritten signature similarity, improves the accuracy of electric signing verification.
It should be noted that herein, term " comprising ", "comprising" or any other band
There is nonexcludability to cover the word of meaning, its effect is to show to include process, the side of a series of key elements
Method, article or system not only include those key elements, but also other including being not expressly set out
Key element, or also include for this process, method, article or the intrinsic key element of system.
In the absence of more restrictions, the key element limited by sentence "including a ...", not
Excluding will also in the presence of in addition identical in the process including the key element, method, article or system
Element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that
Above-described embodiment method can add the mode of required general hardware platform to realize by software, certainly
Can also the former be more preferably embodiment by hardware, but in many cases.Based on such reason
Solution, the part that technical scheme substantially contributes to prior art in other words can be with
The form of software product is embodied, and the computer software product is stored in a storage medium (such as
ROM/RAM, magnetic disc, CD) in, including some instructions are make it that a station terminal equipment (can
To be mobile phone, computer, server, or network equipment etc.) perform each embodiment of the invention
Described method.
The preferred embodiments of the present invention are the foregoing is only, its scope of the claims is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using description of the invention and accompanying drawing content, directly
Or other related technical fields are used in indirectly, similarly it is included in the patent protection model of the present invention
In enclosing.
Claims (10)
1. a kind of method of calibration of electronic signature, it is characterised in that comprise the following steps：
A, verification server receive the carrying personally identifiable information that user sends for an item
Handwritten signature is asked so that user terminal obtains a handwritten signature interface, and the hand is based on for user
Write signature interface and provide corresponding handwritten signature for the item；
The handwritten signature for the item that B, reception user terminal are sent is believed with the personal identification
The associated data of breath, extracts the handwritten signature that is associated with the personally identifiable information preserved and tests
Demonstrate,prove sample；
C, the similarity for calculating the handwritten signature and the checking sample extracted；
If D, the similarity calculated are more than the first predetermined threshold value, it is directed to by the user
The handwritten signature of the item；Or：If the similarity calculated is less than or equal to described
First predetermined threshold value, then refuse the handwritten signature that the user is directed to the item.
2. the method as described in claim 1, it is characterised in that described so that user terminal is obtained
One handwritten signature interface includes：
Verify server and send handwritten signature interface to the user terminal, control the user terminal
Show the handwritten signature interface；Or,
Verify server and send interface generation information to the user terminal, control the user terminal
The electronic signature application program of operation automatically generates a handwritten signature interface.
3. method as claimed in claim 1 or 2, it is characterised in that the verification of the electronic signature
Method before step A, in addition to：
A1, verification server receive the electronic signature for the carrying personally identifiable information that user terminal is sent
User's registration is asked so that user terminal obtains the parameter setting interface of handwritten signature, for user's base
In the parameter setting interface, the checking sample of the corresponding handwritten signature of electronic signature is set；
A2, the handwritten signature that is associated with the personally identifiable information for receiving user terminal generation are tested
Sample is demonstrate,proved, and preserves the associated data of the personally identifiable information and the checking sample.
4. method as claimed in claim 3, it is characterised in that the user terminal generation and institute
The checking sample of the handwritten signature of personally identifiable information association is stated, including：
D1, based on the corresponding personally identifiable information of user, user terminal receives user's handwriting input
The qualified exercise sample of handwritten signature；
Whether D2, the quantity for recording and analyzing the qualified exercise sample received are equal to default hand
Write exercise number of times；Wherein, the default handwriting exercise number of times is the natural number more than 1；
If D3, the quantity for analyzing the qualified exercise sample of receive described are equal to default handwriting exercise
Number of times, then according to all qualified exercise samples received, generation is closed with the personally identifiable information
The checking sample of the handwritten signature of connection；Or, if analyzing the qualified exercise sample received
Quantity be less than the default handwriting exercise number of times, then repeat step D1, D2 and D3.
5. method as claimed in claim 4, it is characterised in that the step D1 includes：
D11, based on the corresponding personally identifiable information of user, it is hand-written defeated that user terminal receives user
During the corresponding first exercise sample of the handwritten signature that enters, prompting selection interface is sent, user is pointed out
Whether described first of selection receiving input practises sample；
If user's selection does not receive first exercise sample, return and perform step D11；If
User's selection receives first exercise sample, then performs following steps：
D12, using described first exercise sample as benchmark practise sample, receiving use every time
During the exercise sample to be verified of family handwriting input, the exercise sample to be verified is practiced with the benchmark
Practise sample and carry out Sample Similarity calculating；
If D13, the Sample Similarity calculated are more than the second predetermined threshold value, school is treated into reception
Exercise sample is tested as qualified exercise sample；Or, if the Sample Similarity calculated be less than or
Equal to the second predetermined threshold value, then the exercise sample to be verified received is deleted.
6. one kind verification server, the verification server is applied to any one of claim 1 to 5 institute
The method of calibration of the electronic signature of description；Characterized in that, the verification server includes：
Receiving module, for receiving the carrying personally identifiable information that user sends for an item
Handwritten signature is asked so that user terminal obtains a handwritten signature interface, and the hand is based on for user
Write signature interface and provide corresponding handwritten signature for the item；
Extraction module, handwritten signature for the item and institute for receiving user terminal transmission
State the associated data of personally identifiable information, extract being associated with the personally identifiable information of having preserved
The checking sample of handwritten signature；
Computing module, for calculating the handwritten signature and the similarity of the checking sample extracted；
Correction verification module, if being more than the first predetermined threshold value for the similarity calculated, passes through
The user is directed to the handwritten signature of the item；Or：If the similarity calculated be less than or
Person is equal to first predetermined threshold value, then refuses the handwritten signature that the user is directed to the item.
7. server is verified as claimed in claim 6, it is characterised in that the receiving module is also
For：
Handwritten signature interface is sent to the user terminal, hand described in the user terminal displays is controlled
Write signature interface；Or,
Interface generation information is sent to the user terminal, the electronics of the user terminal operation is controlled
Signature application program automatically generates a handwritten signature interface.
8. verification server as claimed in claims 6 or 7, it is characterised in that the verification service
Device also includes：
Registering modules, the electronic signature of the carrying personally identifiable information for receiving user terminal transmission
User's registration is asked so that user terminal obtains the parameter setting interface of handwritten signature, for user's base
In the parameter setting interface, the checking sample of the corresponding handwritten signature of electronic signature is set；
Memory module, the hand associated with the personally identifiable information for receiving user terminal generation
The checking sample of signature is write, and preserves the incidence number of the personally identifiable information and the checking sample
According to.
9. a kind of user terminal, the user terminal is applied to described by any one of claim 1 to 5
Electronic signature method of calibration；Characterized in that, the user terminal includes：
Input module, for based on the corresponding personally identifiable information of user, receiving user's handwriting input
Handwritten signature qualified exercise sample；
Processing module, whether the quantity of the qualified exercise sample received for recording and analyzing
Equal to default handwriting exercise number of times；Wherein, the default handwriting exercise number of times is the natural number more than 1；
Generation module, if being equal in advance for the quantity for analyzing the qualified exercise sample received
If handwriting exercise number of times, then according to all qualified exercise samples received, generation and the individual
The checking sample of the handwritten signature of identity information association.
10. user terminal as claimed in claim 9, it is characterised in that the input module includes：
Tip element, for based on the corresponding personally identifiable information of user, user terminal to receive use
During the corresponding first exercise sample of the handwritten signature of family handwriting input, prompting selection interface is sent,
Prompt the user whether that selection receives first exercise sample of input；
Computing unit, if receiving first exercise sample for user's selection, by described the
One exercise sample practises sample as benchmark, and the to be verified of user's handwriting input is being received every time
When practising sample, the exercise sample to be verified and benchmark exercise sample are subjected to sample similar
Degree is calculated；
Dispensing unit, presets if being more than second for the Sample Similarity that the computing unit is calculated
Threshold value, then regard the exercise sample to be verified of reception as qualified exercise sample；Or, if the meter
The Sample Similarity that calculation unit is calculated is less than or equal to the second predetermined threshold value, then deletes and receive
The exercise sample to be verified.
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| CN201610235185.3A CN107302433A (en) | 2016-04-15 | 2016-04-15 | Method of calibration, verification server and the user terminal of electronic signature |
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| CN201610235185.3A CN107302433A (en) | 2016-04-15 | 2016-04-15 | Method of calibration, verification server and the user terminal of electronic signature |
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| CN110889685A (en) * | 2019-11-18 | 2020-03-17 | 中国银行股份有限公司 | Service execution method and device based on signature recognition |
| CN111049659A (en) * | 2019-12-17 | 2020-04-21 | 中国银行股份有限公司 | Service verification method, device and system based on handwritten signature recognition |
| CN111049659B (en) * | 2019-12-17 | 2023-05-12 | 中国银行股份有限公司 | Service verification method, device and system based on handwriting signature recognition |
| CN112102908A (en) * | 2020-09-22 | 2020-12-18 | 合肥易康达医疗卫生信息科技有限公司 | Credible cloud signature method for electronic medical record |
| CN112733645A (en) * | 2020-12-30 | 2021-04-30 | 平安科技（深圳）有限公司 | Handwritten signature verification method and device, computer equipment and storage medium |
| CN112733645B (en) * | 2020-12-30 | 2023-08-01 | 平安科技（深圳）有限公司 | Handwritten signature verification method, handwritten signature verification device, computer equipment and storage medium |
| CN112686648A (en) * | 2021-01-31 | 2021-04-20 | 重庆渝高科技产业(集团)股份有限公司 | Electronic signature management method and system for auditing signature files |
| CN112686648B (en) * | 2021-01-31 | 2024-01-30 | 重庆渝高科技产业(集团)股份有限公司 | Electronic signature management method and system for auditing signature file |
| CN114500237A (en) * | 2022-01-05 | 2022-05-13 | 北京世格电讯科技有限公司 | Communication method and system |
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