CN108269062A - Electronic contract production method, device, equipment and medium based on H5 - Google Patents
Electronic contract production method, device, equipment and medium based on H5 Download PDFInfo
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Abstract
The present invention discloses a kind of electronic contract production method, device, equipment and medium based on H5.The electronic contract production method based on H5 includes:It obtains electronic contract and makes request, the electronic contract makes request and includes electronic contract ID;Based on the electronic contract ID, electronic contract template corresponding with the electronic contract ID is obtained;The electronic contract template includes treaty content frame and signature blocks, and the signature blocks are associated with the signature plug-in unit based on H5;Using the signature plug-in unit, electronic signature to be verified is obtained;The electronic signature to be verified is verified, obtains target electronic signature.Based on target electronic signature and the treaty content frame, target electronic contract is obtained.The electronic contract production method based on H5 can make both parties need not rely upon electronic third-party Contract Signing platform when signing electronic contract, be conducive to promoting the use of for electronic contract.
Description
Technical field
The present invention relates to electronic transaction technical field more particularly to a kind of electronic contract production method based on H5, device,
Equipment and medium.
Background technology
With the rapid development of information age, electronic contract is directly signed by network, the signature of papery contract is avoided, exchanges
With the trouble of the process of preservation, it is increasingly becoming the attractive developing direction of e-commerce field.The signature of electronic contract needs at present
It wants both parties that electronic contract is uploaded to electronic third-party Contract Signing platform, is capped by electronic third-party Contract Signing platform
Stamped signature, to complete the signing of contract so that the use of electronic contract has limitation.Also, Current electronic contract signs process
Operating system (uses in such as smart mobile phone used by terminal device of the signature plug-in unit of use with uploading electronic signature
Android system or ios systems) match, therefore, each operating system is both needed to develop a set of corresponding signature operation,
In both sides or multi-party users signature electronic contract, corresponding signature plug-in unit need to be called to be handled respectively so that electronic contract
That signs is less efficient, is unfavorable for promoting the use of for electronic contract.
Invention content
The embodiment of the present invention provides a kind of electronic contract production method, device, equipment and medium based on H5, to solve to work as
The signature of preceding electronic contract has limitation, is unfavorable for the problem of promoting the use of of electronic contract.
In a first aspect, the embodiment of the present invention provides a kind of electronic contract production method based on H5, including:
It obtains electronic contract and makes request, the electronic contract makes request and includes electronic contract ID;
Based on the electronic contract ID, electronic contract template corresponding with the electronic contract ID is obtained;The electronics closes
Include treaty content frame and signature blocks with template, the signature blocks are associated with the signature plug-in unit based on H5;
Using the signature plug-in unit, electronic signature to be verified is obtained;
The electronic signature to be verified is verified, obtains target electronic signature;
Based on target electronic signature and the treaty content frame, target electronic contract is obtained.
Second aspect, the embodiment of the present invention provide a kind of electronic contract producing device based on H5, which is characterized in that packet
It includes:
Electronic contract makes request module, makes request for obtaining electronic contract, the electronic contract makes request bag
Include electronic contract ID;
Electronic contract template acquisition module for being based on the electronic contract ID, obtains corresponding with the electronic contract ID
Electronic contract template;The electronic contract template includes treaty content frame and signature blocks, and the signature blocks are with being based on
The signature plug-in unit association of H5;
Electronic signature acquisition module to be verified for using the signature plug-in unit, obtains electronic signature to be verified;
Target electronic signature acquisition module for being verified to the electronic signature to be verified, obtains target electronic label
Name;
Target electronic contract acquisition module for being based on the target electronic signature and the treaty content frame, obtains
Target electronic contract.
The third aspect, the embodiment of the present invention provide a kind of terminal device, including memory, processor and are stored in described
In memory and the computer program that can run on the processor, the processor are realized when performing the computer program
The step of electronic contract production method based on H5.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Matter is stored with computer program, and the electronic contract making side based on H5 is realized when the computer program is executed by processor
The step of method.
In electronic contract production method provided in an embodiment of the present invention based on H5, device, equipment and medium, pass through acquisition
Electronic contract makes request, and the electronic contract ID made based on electronic contract in request obtains corresponding electronic contract template, with
It makes the user do not need to make electronic contract manually, improves the producing efficiency of electronic contract.Electronic contract template includes treaty content frame
Frame and signature blocks, signature blocks are associated with the signature plug-in unit based on H5.Later, using the signature plug-in unit based on H5, acquisition is treated
Verification electronic signature improves the rendering speed of electronic signature.Electronic signature to be verified is verified again, obtains target electronic label
Name, so that the safety higher of target electronic signature.Finally, based on the conjunction filled in target electronic signature and treaty content frame
Same content obtains target electronic contract so that the making of electronic contract and signature process are simple and convenient.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow chart of the electronic contract production method based on H5 provided in the embodiment of the present invention 1.
Fig. 2 is a specific schematic diagram of step S40 in Fig. 1.
Fig. 3 is a specific schematic diagram of step S41 in Fig. 2.
Fig. 4 is a specific schematic diagram of step S42 in Fig. 2.
Fig. 5 is a specific schematic diagram of step S422 in Fig. 4.
Fig. 6 is another flow chart of the electronic contract production method based on H5 provided in the embodiment of the present invention 1.
Fig. 7 is the functional block diagram of the electronic contract producing device based on H5 provided in the embodiment of the present invention 2.
Fig. 8 is a schematic diagram of the terminal device provided in the embodiment of the present invention 4.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1 shows the flow chart of the electronic contract production method based on H5 in the present embodiment.The electronic contract based on H5
Production method can be applicable on terminal device, for completing electronic contract manufacturing process, it can be achieved that without electronic contract is uploaded
Stamped signature is capped to electronic third-party Contract Signing platform, you can the autonomous signature for completing electronic contract.In the present embodiment, terminal is set
Standby including but not limited to smart mobile phone.Terminal device is associated with server.It as shown in Figure 1, should the electronic contract system based on H5
Include the following steps as method:
S10:It obtains electronic contract and makes request, electronic contract makes request and includes electronic contract ID.
Wherein, it is for the request of triggering terminal equipment making electronic contract that electronic contract, which makes request,.Electronic contract ID
Be referred specifically in step S10 for the mark of unique identification electronic contract template user's selection electronic contract template it is corresponding
Mark.In the present embodiment, Classification Management is carried out to electronic contract in the form of grading list on the making interface of electronic contract,
For example, insurance contract includes contract of property insurance and contract of life insurance etc., user to be facilitated to select to use, user experience is promoted
Degree.
S20:Based on electronic contract ID, electronic contract template corresponding with electronic contract ID, electronic contract template packet are obtained
Treaty content frame and signature blocks are included, signature blocks are associated with the signature plug-in unit based on H5.
Specifically, server can be previously stored with and the corresponding electronic contract template of all types of electronic contracts, the electronics
Contract template includes treaty content frame and signature blocks.Wherein, treaty content frame refers to need to fill out in electronic contract template
The region of treaty content is filled, contracting parties, subject matter of a contract object, contract place, contract term can be shown on treaty content frame
With the contract terms such as liability for breach of contract.Signature blocks refer in electronic contract template for the region of signature electronic signature.Wherein,
The contents such as specific contract term, contracting parties and contract place, user can independently set as needed in treaty content frame
It puts.Signature blocks of the electronic module for signing mane according to the type setting different number of electronic contract template, for example, in deal contract
The electronic signature of both sides is needed, therefore two signature blocks need to be configured;The contract of gift only needs the electronic signature of a side, therefore
A signature blocks need to be configured.Signature plug-in unit based on H5 refers to the electric signing tools made based on H5.Due to H5 (browsers
Environment) it can be applicable in android and ios systems so that using the terminal device (smart mobile phone) of android and ios systems
The signature plug-in unit based on H5 electronics can be used, without selecting respectively and the corresponding signature plug-in unit of its operating system.
Further, show electronic contract list on the making interface of electronic contract, user can also use pull or
The mode for clicking selection exports electronic contract making request, easy to operate to choose the electronic contract template to be made, enhancing
User experience.
In the present embodiment, the database of server is inquired by electronic contract ID, obtains electricity corresponding with electronic contract ID
Sub- contract template so that user can directly invoke pre-stored electronic contract template, utilizes electronic contract template construct electricity
Sub- contract is conducive to improve the producing efficiency of electronic contract.It is closed it is to be appreciated that can be stored in database but be not limited to dealing
The electronic contracts template such as same, the contract of gift, loan contract, the contract of lease of property, contract for construction project, contract of transportation and contract of brokerage,
User can be by changing or adding the contents of specific contract terms in electronic contract template, to obtain in the contract of user's needs
Hold.
S30:Using signature plug-in unit, electronic signature to be verified is obtained.
Wherein, electronic signature to be verified is the electronic signature input by user for being verified.Specifically, user can point
Hit the signature blocks in electronic contract template, you can triggering is signed with the associated signature plug-in unit of signature blocks, which inserts
Part includes signature region and save button, and user clicks the save button in signature plug-in unit, you can make signature when signing completion
Plug-in unit obtains the electronic signature of user's preservation by the method that the acquisition carried in canvas elements is signed, which treats
Verification electronic signature.
Further, signature plug-in unit is developer in advance on the terminal devices such as smart mobile phone or tablet using shared
The signature plug-in unit that the canvas of H5 (browser environment) makes.The canvas elements of HTML5 are in webpage using JavaScript
The front end element of upper drawing image has the advantages that rendering speed is fast, resources occupation rate is low.In the present embodiment, due to H5 (browsings
Device environment) can be applicable in android and ios systems so that using android and ios systems terminal device (including but not
The smart mobile phone of limit in this present embodiment) the signature plug-in unit based on H5 can be used, so that developer need not develop two sets
Electronic signature plug-in unit can be adapted to the purpose of two kinds of systems (android and ios).
S40:Electronic signature to be verified is verified, obtains target electronic signature.
Wherein, target electronic signature refers to verify, and acquired when being verified electronic signature to be verified
Electronic signature.In the present embodiment, verification is carried out to electronic signature to be verified and includes authentication, to determine whether user's sheet
People improves the safety of target electronic signature, then the verification by third-party authentication, further improves the safety of electronic signature
Property.
S50:Based on target electronic signature and treaty content frame, target electronic contract is obtained.
Specifically, by target electronic that step S40 is got signature be filled into in the signature blocks of electronic contract template,
Treaty content is filled into accordingly in the treaty content frame of electronic contract template, to obtain target electronic contract.Wherein, it closes
With content be according to meet signature concrete condition input content, including contracting parties, subject matter of a contract object, the contract time,
The contents such as contract place, contract value and liability for breach of contract.Specifically, if can be set on the treaty content frame of electronic contract template
Dry acquiescence contract terms.It, can be by being filled in treaty content frame when user adjusts acquiescence contract terms as the case may be
Specific treaty content, to complete working out for specific contract.It is to be appreciated that on the treaty content frame of electronic contract template
After filling treaty content, target electronic signature is filled on the region reserved in corresponding signature blocks, you can complete target
The signature of electronic contract makes the manufacturing process high degree of automation of electronic contract, is conducive to improve the producing efficiency of electronic contract.
In the present embodiment, request is made by obtaining electronic contract, which makes request and includes electronic contract ID,
Corresponding electronic contract template is obtained based on electronic contract ID, to make the user do not need to make electronic contract manually, improves electronics
The producing efficiency of contract.Electronic contract template includes treaty content frame and signature blocks, signature blocks and the signature based on H5
Plug-in unit is associated with.Later, using the signature plug-in unit based on H5, electronic signature to be verified is obtained, improves the rendering speed of electronic signature.
The double verification of authentication and third-party authentication is carried out to electronic signature to be verified again, target electronic signature is obtained, so that mesh
Mark the safety higher of electronic signature.Finally, it based on the treaty content filled in target electronic signature and treaty content frame, obtains
Take target electronic contract so that the making of electronic contract and signature process are simple and convenient, are conducive to the popularization and application of electronic contract.
In a specific embodiment, as shown in Fig. 2, in step S40, i.e., electronic signature to be verified is verified, obtained
Target electronic is taken to sign, is specifically comprised the following steps:
S41:Authentication is carried out to electronic signature to be verified, obtains original electronic signature.
Wherein, original electronic signature is to carry out authentication, and pass through when institute in authentication to electronic signature to be verified
The electronic signature of acquisition.Specifically, server can to electronic signature carry out authentication, with judge this it is to be verified electronic signature be
No is user's signed.If the electronic signature to be verified is user's signed, which is made
For original electronic signature.If the electronic signature to be verified is not user's signed, prompting message is sent to the signature electricity
The corresponding terminal of user of sub- contract allows the user to the progress of first time understanding contract signature.
S42:Original electronic signature is sent to Third Party Authentication mechanism, obtains Third Party Authentication mechanism to original electron label
The target electronic signature that name is verified.
Wherein, target electronic signature is to carry out third-party authentication to original electronic signature, and obtained when being verified
Electronic signature.Third Party Authentication mechanism is the certification authority other than contracting parties, is able to verify that contracting parties' is true
Real legal identity prevents deceptive information, contract of guarantee party's interests to the full extent.Specifically, to electronics label to be verified
When name carries out authentication, if verification determines electronic signature to be verified as user's signed, original electronic signature is obtained, and
Original electronic signature is sent to Third Party Authentication mechanism, original electronic signature is verified with obtaining Third Party Authentication mechanism
Target electronic signature.
Further, when being signed a contract using target electronic, server can also be according to Digital Time-stamp skill
The time that art reading is signed a contract.Wherein.It the time and content integrity that timestamp valid certificates electronic contract generates, can solve
The certainly content of electronic contract and the problems such as the time is easily artificially distorted, evidential effect is low and party's quoting is difficult, according to《China
People's republic's law of electronic signature》Pertinent regulations, be capped timestamp electronic message (i.e. electronic contract) can be used as have
The legal argument of effect achievees the purpose that " undeniable " or " resisting denying ", to enhance the legal effect of electronic contract.
In the present embodiment, authentication is carried out to electronic signature to be verified, user is verified as in the verification electronic contract
When I signs, using the electronic signature to be verified as original electronic signature, and original electronic signature is sent to third party and is recognized
Mechanism is demonstrate,proved, the target electronic verified to obtain Third Party Authentication mechanism to original electronic signature is signed.By to be tested
Card electronic signature carries out the double verification of authentication and third-party authentication, obtains target electronic signature so that target electronic label
The safety higher of name.
In a specific embodiment, electronic contract makes request and further includes User ID.Wherein, User ID is for identifying
The unique mark of user.As shown in figure 3, in step S41, i.e., authentication is carried out to electronic signature to be verified, obtain original electricity
Son signature, specifically comprises the following steps:
S411:Obtain historical electronic signature corresponding with User ID.
Historical electronic signature refers to the electronic signature that the electronic signature track of multi collect user is formed.Specifically, it takes
Business device prestores historical electronic signature associated with User ID, and history electricity corresponding with User ID is found based on User ID
Son signature.In the present embodiment, user is registered on the terminal device in advance, and what then collection of server signed electronically several times adopts
After sample data, signature character is therefrom extracted, and database will be stored in after feature encryption, to obtain historical electronic signature.
S412:To historical electronic signature and original electronic signature carry out feature extraction, respectively obtain history signature character and
Original signature feature.
Specifically, the process that feature extraction is carried out to original electronic signature is as follows:Original electronic signature is carried out first pre-
Processing obtains the first electronic signature.Wherein, pretreatment is to the continuity point in original electronic signature mutually in the same time, with a point
It substitutes, all the points can specifically be carried out average operation is taken to obtain.Then again by electric by first by independent variable of the time
The terminal of every unicursal of son signature is connected with the starting point of next stroke, and the coordinate of formation is virtual coordinates point, then comprising virtual
The original electronic signature of coordinate points can be expressed as the spatial spreading coordinate point sequence { D of constant durationx(t),Dy(t),Dz
(t) }, wherein, Dx(t) be pen tip movement t moment in rectangular coordinate system X-direction coordinate, Dy(t) it is pen tip movement at right angle
The coordinate of t moment, D in coordinate system Y directionz(t) it is the pressure series of vertical direction.To Dx(t),Dy(t),Dz(t) it does respectively
It differentiates, obtains vx(t),vy(t),vz(t),Ax(t),Ay(t),Az(t) six sending out signals, wherein, vx(t) it is that right angle is sat
Velocity component in mark system X-direction, vy(t) it is velocity component A in rectangular coordinate system Y directionx(t) in X-direction
Accelerating velocity component, Ay(t) it is the accelerating velocity component in Y direction.vz(t) it is the velocity component on pressure direction, Az(t)
For the component of acceleration on pressure direction.According to vx(t),vy(t),Ax(t),Ay(t), it uses Formula further calculates the speed of the presentation direction of pen tip movement
V (t), angular speedIt is characterized as with obtaining original signature
The extraction process of history signature character is identical with the extraction process of original signature feature, to avoid repeating, herein not
It repeats one by one.
S413:History signature character and the Euclidean distance of original signature feature are calculated using Euclidean distance algorithm, obtained special
Levy similarity.
Wherein, Euclidean distance (euclidean metric, also known as euclidean metric) refers to two points in m-dimensional space
Between actual distance or vector natural length (i.e. the distance of the point to origin).Any two n-dimensional vector a (Xi1,
Xi2,...,Xin) and b (Xj1,Xj2,...,Xjn) Euclidean distanceWherein, history signature character
Availability vector a (Xi1,Xi2,...,Xin) represent, original signature feature availability vector b (Xj1,Xj2,...,Xjn) represent, Da,bTable
Show characteristic similarity.Specifically, by calculating the Euclidean distance of history signature character and original signature feature, to obtain feature phase
Like degree, calculating process is simple and convenient.
S414:If characteristic similarity reaches default similarity, original electronic signature is obtained.
Wherein, default similarity is to pre-set to correspond to same user needs for evaluating two electronic signature aspects and reach
Similarity.In the present embodiment, which may be configured as 0.5, and the characteristic similarity that even step S413 is got reaches
To 0.5, then to be verified sign electronically is determined as the electronic signature of user's signed, then made the electronic signature to be verified
For original electronic signature.If the characteristic similarity that step S413 is got is not up to 0.5, prompting message is sent to corresponding end
End.
In a specific embodiment, as shown in figure 4, in step S42, i.e., original electronic signature is sent to third party and recognized
Mechanism is demonstrate,proved, the target electronic that Third Party Authentication mechanism verifies original electronic signature is obtained and signs, specifically include following step
Suddenly:
S421:Original electronic signature is calculated using md5-challenge, obtains first information abstract.
Wherein, first information abstract is that original electronic signature is carried out to calculate acquired consolidate using md5-challenge
The character string of measured length.Information-abstract (message-digest algorithm, hereinafter referred to as MD) algorithm is exactly arbitrarily long
Input bit string be changing into regular length output string a kind of function, be generally used for generate informative abstract and encryption key etc.
Information.In the present embodiment, using the 5th version of MD algorithms, i.e. MD5 algorithms, MD5 has the characteristics that safe so that user
Information is not easy to reveal, and protects privacy of user.Wherein, refer to will be without regular length using md5-challenge for first information abstract
Raw bytes string be converted to the character string of regular length (128 binary systems) the i.e. first information and make a summary.
S422:First information abstract is encrypted using RSA cryptographic algorithms, obtains encrypted original electronic signature,
And encrypted original electronic signature is sent to Third Party Authentication mechanism.
Wherein, RSA cryptographic algorithms are current most powerful and most common public key encryption algorithms, it can resist mesh
Before until known most cryptographic attacks, it is safe, generally using public key encryption, the mode of private key decryption.This implementation
In example, first information abstract is encrypted using RSA Algorithm, obtains encrypted original electronic signature, and will be encrypted
Original electronic signature is sent to Third Party Authentication mechanism and is authenticated, to ensure the safety of original electronic signature.
S423:The target electronic signature that Third Party Authentication mechanism is sent is obtained, target electronic signature is Third Party Authentication machine
The electronic signature that structure to encrypted original electronic signature obtain after verification processing.
Wherein, target electronic signature is that Third Party Authentication mechanism is verified, and the electricity accessed when being verified
Son signature.Specifically, server can obtain the target electronic signature that Third Party Authentication mechanism is verified, so that server is based on
Target electronic signature completes the making of target electronic contract.
Specifically, the verification process of Third Party Authentication mechanism is as follows:Third Party Authentication system docking receives encrypted original
Begin to sign electronically and (public key that RSA Algorithm acquisition can be used in the present embodiment is decrypted) is decrypted, after obtaining decryption
Original electronic signature, then using the md5-challenge identical with step S422 to the original electronic signature after decryption into
Row calculates, and obtains the second informative abstract.Finally the first information is made a summary and is compared with the second informative abstract, if the two is identical,
It is then verified, obtains corresponding target electronic signature.
In the present embodiment, original electronic signature is calculated using md5-challenge, obtains first information abstract,
Then first information abstract is encrypted using RSA Algorithm, obtains encrypted original electronic signature, and by encrypted original
Begin to sign electronically and be sent to Third Party Authentication mechanism, to ensure the safety of original electronic signature.Finally, Third Party Authentication is obtained
Mechanism carries out the target electronic obtained after verification processing to encrypted original electronic signature and signs, so that the target got
The safety of electronic signature.
In a specific embodiment, as shown in figure 5, in step S422, i.e., made a summary using RSA Algorithm to the first information into
Row encryption, obtains encrypted original electronic signature, specifically comprises the following steps:
S4221:Based on two random prime numbers, median is obtained.
Wherein, prime number refers to other than it can be expressed as the product of own and 1, it is impossible to be expressed as any other two it is whole
The integer of several products.Specifically, by generating two random prime numbers at random, multiplication behaviour then is carried out to two random prime numbers
Make, obtain median.It is to be appreciated that two random prime numbers are calculated using middle-value calculating formula n=pq, wherein, n
For median, p, q represent random prime numbers respectively.
S4222:Two random prime numbers are calculated using Euler's function calculation formula, obtain Euler's function value, wherein
Euler's function calculation formula is f=(p-1) (q-1), and p, q represent random prime numbers respectively, and f is Euler's function value.
Specifically, two random prime numbers are subtracted 1 respectively and obtains two differences, multiplication fortune then is carried out to two differences again
Calculate, obtain product, that is, Euler's function value, it is possible to understand that ground, using Euler's function calculation formula f=(p-1) (q-1) to two with
Machine prime number is calculated, and obtains Euler's function value, wherein, p, q represent random prime numbers respectively, and n is median, and f is Euler's function
Value.
S4223:It is arbitrary to choose and the relatively prime random number of Euler's function value.
Specifically, a random number relatively prime with Euler's function value is arbitrarily chosen, that is, chooses a random number relatively prime with f
E, and 1<e<f(n).In the present embodiment, random () function can be used and obtain random number e.Wherein, random functions are to be used for
The function of the random number between one [0, num-1] is returned to, wherein num is advance customized integer.
S4224:Random number and Euler's function value are handled using inverse element calculation formula, obtain inverse element, wherein, inverse element
Calculation formula is d ≡ e-(1modp-1)(q-1)), d expression inverse elements, e expression random numbers.
Specifically, using inverse element calculation formula de ≡ 1mod (p-1) (q-1) to random number and Euler's function value at
Reason, to obtain inverse element.Wherein, d represents inverse element, and e represents random number, mod for modulo operation i.e. just using 1 pair of Euler's function value into
Row complementation provides technical support for subsequently first information abstract is encrypted.
S4225:First information abstract is encrypted based on inverse element and median, obtains encrypted original electron label
Name.
Specifically, using formula U ≡ MdModn asks for private key, wherein, U is private key, and d is inverse to be obtained in step 4224
Member, n are the median that step S4221 is obtained, and M makes a summary for the first information.Using formula C ≡ MeModn asks for public key, wherein, C
For private key, e is the random number obtained in step 4223, and n is the median that step S4221 is obtained, and M makes a summary for the first information.This
It in embodiment, is encrypted using private key U, is decrypted using public key C.
In the present embodiment, first information abstract is encrypted using RSA cryptographic algorithms, obtains encrypted original electron
Signature, and encrypted original electronic signature is sent to Third Party Authentication mechanism and is authenticated, to ensure original electronic signature
Safety.
In a specific embodiment, before step S10, as shown in fig. 6, should the electronic contract production method based on H5
Further include step S60:Electronic contract template is created, the electronic contract template is associated with electronic contract ID, to be based on the electricity
Sub- contract ID obtains corresponding electronic contract template.Step S60 specifically comprises the following steps:
S61:Obtain electronic contract template request to create, electronic contract template request to create include electronic contract ID and/or
Electronic contract title.
Wherein, electronic contract template request to create is the request for creating electronic contract template.Electronic contract ID is to use
It is corresponding that user's electronic contract template to be created is referred specifically in the mark of unique identification electronic contract template, step S61
Mark.Contract title refers to user's corresponding title of electronic contract template to be created.It is to be appreciated that electronic contract ID
It is consistent with the electronic contract ID in step S10.In the present embodiment, contract type includes but not limited to deal contract, gifts
The electronic contracts template such as contract, loan contract, the contract of lease of property, contract for construction project, contract of transportation and contract of brokerage, disclosure satisfy that
The different demands of user promote user experience.
S62:According to electronic contract ID and/or electronic contract title, the electronic contract page is obtained, the electronic contract page includes
Treaty content frame and signature blocks.
Specifically, according to electronic contract ID and/or electronic contract title, searching data library, to obtain the electronic contract page,
Module division is carried out to electronic page, to obtain treaty content frame and signature blocks.Then contract content frame is set and closed
With form and the contract terms of filling acquiescence.Wherein, the contract terms of acquiescence include but not limited to《Contract law》Specified in must
Need clause, such as validity of contract.Contractual format includes but not limited to font, paragraph and line-spacing of electronic contract etc..This implementation
In example, the contract terms of acquiescence can also be modified or add as needed, to meet the needs of users.
S63:The link of the signature plug-in unit based on H5 is jumped to signature blocks establishment, to obtain electronic contract template.
Specifically, the link of the signature plug-in unit based on H5 is jumped to signature blocks establishment, in order to the subsequent calls electricity
When sub- contract template makes electronic contract, the signature blocks in the electronic contract template can be made to show electronic signature interface, so as to
Electronic signature to be verified is inputted in the electronic signature interface in user, to realize that electronic contract making provides basis.
In the present embodiment, calling is made for Subsequent electronic contract by being pre-created electronic contract template, so that electronics closes
In same manufacturing process, all clauses of the electronic contract template being pre-created without drafting electronic contract can be directly invoked
Content can be based on calling partial content in electronic contract template, and input the contract of specific contract on treaty content frame
Content, you can realize that electronic contract makes, help to save electronic contract Production Time, reduce workload, improve working efficiency.
It should be understood that the size of the serial number of each step is not meant to the priority of execution sequence, each process in above-described embodiment
Execution sequence should determine that the implementation process without coping with the embodiment of the present invention forms any limit with its function and internal logic
It is fixed.
Embodiment 2
Fig. 7 is shown and the electronic contract based on H5 correspondingly of the electronic contract production method based on H5 in embodiment 1
The functional block diagram of producing device.It is obtained as shown in fig. 7, being somebody's turn to do the electronic contract producing device based on H5 and including electronic contract making request
Modulus block 10, electronic contract template acquisition module 20, electronic signature acquisition module 30 to be verified, target electronic signature acquisition module
40th, target electronic contract acquisition module 50 and electronic contract template creation module 60.Wherein, electronic contract makes acquisition request mould
Block 10, electronic contract template acquisition module 20, it is to be verified electronic signature acquisition module 30, target electronic signature acquisition module 40,
The realization function of target electronic contract acquisition module 50 and electronic contract template creation module 60 and the electricity based on H5 in embodiment 1
The corresponding step of sub- contract production method corresponds, and is repeated to avoid, the present embodiment is not described in detail one by one.
Electronic contract makes acquisition request module 10, makes request for obtaining electronic contract, electronic contract makes request
Including electronic contract ID.
Electronic contract template acquisition module 20 for being based on electronic contract ID, obtains electronics corresponding with electronic contract ID
Contract template.Electronic contract template includes treaty content frame and signature blocks, and signature blocks are closed with the signature plug-in unit based on H5
Connection.
Electronic signature acquisition module 30 to be verified, for using plug-in unit of signing, obtaining electronic signature to be verified.
Target electronic signature acquisition module 40 for being verified to electronic signature to be verified, obtains target electronic signature.
Target electronic contract acquisition module 50 for being based on target electronic signature and treaty content frame, obtains target electricity
Sub- contract.
Preferably, target electronic signature acquisition module 40 includes original electronic signature acquiring unit 41 and target electronic is signed
Acquiring unit 42.
Original electronic signature acquiring unit 41 for carrying out authentication to electronic signature to be verified, obtains original electron
Signature.
Target electronic is signed acquiring unit 42, for original electronic signature to be sent to Third Party Authentication mechanism, obtains the
The target electronic that tripartite certification authority verifies original electronic signature is signed.
Electronic contract makes request and further includes User ID.
Preferably, original electronic signature acquiring unit 41 includes historical electronic signature acquiring unit 411, signature character extraction
Unit 412, characteristic similarity acquiring unit 413 and original electronic signature acquiring unit 414.
Historical electronic signature acquiring unit 411, for obtaining historical electronic signature corresponding with User ID.
Signature character extraction unit 412, for carrying out feature extraction to historical electronic signature and original electronic signature, respectively
Obtain history signature character and original signature feature.
Characteristic similarity acquiring unit 413, for calculating history signature character and original signature using Euclidean distance algorithm
The Euclidean distance of feature obtains characteristic similarity.
Original electronic signature acquiring unit 414 if reaching default similarity for characteristic similarity, obtains original electron label
Name.
Target electronic signature acquiring unit 42 includes first information abstract and obtains subelement 421, first information abstract encryption
Subelement 422 and target electronic signature obtain subelement 423.
First information abstract obtains subelement 421, based on being carried out using md5-challenge to original electronic signature
It calculates, obtains first information abstract.
First information abstract encryption sub-unit operable 422, for first information abstract to be encrypted using RSA cryptographic algorithms,
Encrypted original electronic signature is obtained, and encrypted original electronic signature is sent to Third Party Authentication mechanism.
Target electronic signature obtains subelement 423, for obtaining the target electronic signature of Third Party Authentication mechanism transmission, mesh
Mark electronic signature is the electronic signature that Third Party Authentication mechanism to encrypted original electronic signature obtain after verification processing.
Preferably, first information abstract encryption sub-unit operable 422 includes median acquisition subelement 4221, Euler's function value obtains
Subelement 4222, random number is taken to obtain subelement 4223, inverse element acquisition subelement 4224 and encrypted original electronic signature to obtain
Take subelement 4225.
Median obtains subelement 4221, for being based on two random prime numbers, obtains median.
Euler's function value obtains subelement 4222, based on being carried out using Euler's function calculation formula to two random prime numbers
It calculates, obtains Euler's function value, wherein Euler's function calculation formula is f=(p-1) (q-1), and p, q represent random prime numbers respectively, and f is
Euler's function value.
Random number obtains subelement 4223, for arbitrary selection and the relatively prime random number of Euler's function value.
Inverse element obtains subelement 4224, for being handled using inverse element calculation formula random number and Euler's function value,
Obtain inverse element.Wherein, inverse element calculation formula is de ≡ 1mod (p-1) (q-1), and d represents inverse element, and e represents random number.
Encrypted original electronic signature obtains subelement 4225, makes a summary for being based on inverse element and median to the first information
It is encrypted, obtains encrypted original electronic signature.
Preferably, it is somebody's turn to do the electronic contract producing device based on H5 and further includes electronic contract template creation module 60, for creating
Build electronic contract template.
Electronic contract template creation module 60 includes electronic contract template request to create acquiring unit 61, the electronic contract page
Acquiring unit 62 and electronic contract template acquiring unit 63.
Electronic contract template request to create acquiring unit 61, for obtaining electronic contract template request to create, electronic contract
Template request to create includes electronic contract ID and/or electronic contract title.
Electronic contract page acquiring unit 62, for according to electronic contract ID and/or electronic contract title, obtaining electronics and closing
The same page.The electronic contract page includes treaty content frame and signature blocks.
Electronic contract template acquiring unit 63, for jumping to the chain of the signature plug-in unit based on H5 to signature blocks establishment
It connects, to obtain electronic contract template.
Embodiment 3
The present embodiment provides a computer readable storage medium, computer journey is stored on the computer readable storage medium
Sequence realizes the electronic contract production method based on H5 in embodiment 1 when the computer program is executed by processor, to avoid weight
Multiple, which is not described herein again.Alternatively, the electronic contract based on H5 in embodiment 2 is realized when the computer program is executed by processor
The function of each module/unit, repeats, which is not described herein again to avoid in producing device.
Embodiment 4
Fig. 8 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 8, the terminal of the embodiment is set
Standby 80 include:Processor 81, memory 82 and it is stored in the computer journey that can be run in memory 82 and on processor 81
Sequence 83.Processor 81 realizes the step of electronic contract production method based on H5 in embodiment 1, example when performing computer program 83
Step S10 to S50 as shown in Figure 1.Alternatively, processor 81 is realized in embodiment 2 when performing computer program 83 based on H5's
The function of each module/unit of electronic contract producing device, such as the function of module 10 to 60 shown in Fig. 7.
Illustratively, computer program 83 can be divided into one or more module/units, one or more mould
Block/unit is stored in memory 82, and is performed by processor 81, to complete the present invention.One or more module/units can
To be the series of computation machine program instruction section that can complete specific function, the instruction segment is for describing computer program 83 at end
Implementation procedure in end equipment 80.For example, computer program 83 can be divided into electronic contract make acquisition request module 10,
Electronic contract template acquisition module 20, electronic signature acquisition module 30 to be verified, target electronic signature acquisition module 40, target electricity
Sub- contract acquisition module 50 and electronic contract template creation module 60, each module concrete function as described in Example 2, differ herein
One repeats.
Terminal device 80 can be the computing devices such as desktop PC, notebook, palm PC and cloud server.Eventually
End equipment may include, but be not limited only to, processor 81, memory 82.It will be understood by those skilled in the art that Fig. 8 is only eventually
The example of end equipment 80 does not form the restriction to terminal device 80, can include than illustrate more or fewer components or
Combine certain components or different components, for example, terminal device can also include input-output equipment, network access equipment,
Bus etc..
Alleged processor 81 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
Memory 82 can be the internal storage unit of terminal device 80, such as the hard disk or memory of terminal device 80.It deposits
Reservoir 82 can also be the plug-in type hard disk being equipped on the External memory equipment of terminal device 80, such as terminal device 80, intelligence
Storage card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card)
Deng.Further, memory 82 can also both include the internal storage unit of terminal device 80 or including External memory equipment.It deposits
Reservoir 82 is used to store computer program and other programs and data needed for terminal device.Memory 82 can be also used for temporarily
When store the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work(
Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion
The all or part of function of description.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated module/unit realized in the form of SFU software functional unit and be independent product sale or
In use, it can be stored in a computer read/write memory medium.Based on such understanding, the present invention realizes above-mentioned implementation
All or part of flow in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It can include:Any entity of the computer program code or device, recording medium, USB flash disk, mobile hard disk, magnetic can be carried
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It is it should be noted that described
The content that computer-readable medium includes can carry out appropriate increasing according to legislation in jurisdiction and the requirement of patent practice
Subtract, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although with reference to aforementioned reality
Example is applied the present invention is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to aforementioned each
Technical solution recorded in embodiment modifies or carries out equivalent replacement to which part technical characteristic;And these are changed
Or replace, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of electronic contract production method based on H5, which is characterized in that including:
It obtains electronic contract and makes request, the electronic contract makes request and includes electronic contract ID;
Based on the electronic contract ID, electronic contract template corresponding with the electronic contract ID is obtained;The electronic contract mould
Plate includes treaty content frame and signature blocks, and the signature blocks are associated with the signature plug-in unit based on H5;
Using the signature plug-in unit, electronic signature to be verified is obtained;
The electronic signature to be verified is verified, obtains target electronic signature;
Based on target electronic signature and the treaty content frame, target electronic contract is obtained.
2. the electronic contract production method based on H5 as described in claim 1, which is characterized in that described to the electricity to be verified
Son signature is verified, obtains target electronic signature, including:
Authentication is carried out to the electronic signature to be verified, obtains original electronic signature;
The original electronic signature is sent to Third Party Authentication mechanism, obtains the Third Party Authentication mechanism to the original electricity
The target electronic signature that son signature is verified.
3. the electronic contract production method based on H5 as claimed in claim 2, which is characterized in that the electronic contract makes please
It asks and further includes User ID;
It is described that authentication is carried out to the electronic signature to be verified, it obtains original electronic signature and includes:
Obtain historical electronic signature corresponding with User ID;
Feature extraction is carried out to historical electronic signature and original electronic signature, obtains history signature character and original label respectively
Name feature;
The history signature character and the Euclidean distance of the original signature feature are calculated using Euclidean distance algorithm, obtain feature
Similarity;
If the characteristic similarity reaches default similarity, original electronic signature is obtained.
4. the electronic contract production method based on H5 as claimed in claim 2, which is characterized in that described by the original electron
Signature is sent to Third Party Authentication mechanism, obtains the mesh that the Third Party Authentication mechanism verifies the original electronic signature
Mark electronic signature, including:
Original electronic signature is calculated using md5-challenge, obtains first information abstract;
First information abstract is encrypted using RSA cryptographic algorithms, obtains encrypted original electronic signature, and will add
Original electronic signature after close is sent to Third Party Authentication mechanism;
The target electronic signature that Third Party Authentication mechanism is sent is obtained, the target electronic signature is the Third Party Authentication mechanism
The electronic signature for encrypted original electronic signature obtain after verification processing.
5. the electronic contract production method based on H5 as claimed in claim 4, which is characterized in that described to use RSA Algorithm pair
The first information abstract is encrypted, and obtains encrypted original electronic signature, including;
Based on two random prime numbers, median is obtained;
Two random prime numbers are calculated using Euler's function calculation formula, obtain Euler's function value, wherein Euler's letter
Number calculation formula is f=(p-1) (q-1), and p, q represent the random prime numbers respectively, and f is Euler's function value;
It is arbitrary to choose and the relatively prime random number of the Euler's function value;
The random number and the Euler's function value are handled using inverse element calculation formula, obtain inverse element;Wherein, inverse element meter
Calculation formula is de ≡ 1mod (p-1) (q-1), and d represents inverse element, and e represents the random number;
First information abstract is encrypted based on the inverse element and the median, obtains encrypted original electron label
Name.
6. the electronic contract production method based on H5 as described in claim 1, which is characterized in that in the acquisition electronic contract
Before the step of making request, the electronic contract production method based on H5 further includes:Create electronic contract template;
The establishment electronic contract template, including:
Electronic contract template request to create is obtained, the electronic contract template request to create includes electronic contract ID and/or electronics
Contract title;
According to the electronic contract ID and/or electronic contract title, the electronic contract page is obtained;The electronic contract page includes
Treaty content frame and signature blocks;
The link of the signature plug-in unit based on H5 is jumped to signature blocks establishment, to obtain the electronic contract template.
7. a kind of electronic contract producing device based on H5, which is characterized in that including:
Electronic contract makes request module, makes request for obtaining electronic contract, the electronic contract makes request and includes electricity
Sub- contract ID;
Electronic contract template acquisition module for being based on the electronic contract ID, obtains electricity corresponding with the electronic contract ID
Sub- contract template;The electronic contract template include treaty content frame and signature blocks, the signature blocks with based on H5's
Plug-in unit of signing is associated with;
Electronic signature acquisition module to be verified for using the signature plug-in unit, obtains electronic signature to be verified;
Target electronic signature acquisition module for being verified to the electronic signature to be verified, obtains target electronic signature;
Target electronic contract acquisition module for being based on the target electronic signature and the treaty content frame, obtains target
Electronic contract.
8. the electronic contract producing device based on H5 as claimed in claim 7, which is characterized in that the electronics based on H5 closes
It is further included with producing device:Electronic contract template creation module, for creating electronic contract template;
The electronic contract template creation module includes:
Electronic contract template request to create acquiring unit, for obtaining electronic contract template request to create, the electronic contract mould
Plate request to create includes electronic contract ID and/or electronic contract title;
Electronic contract page acquiring unit, for according to the electronic contract ID and/or electronic contract title, obtaining electronic contract
The page;The electronic contract page includes treaty content frame and signature blocks;
Electronic contract template acquiring unit, for jumping to the link of the signature plug-in unit based on H5 to signature blocks establishment,
To obtain the electronic contract template.
9. a kind of terminal device, including memory, processor and it is stored in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 6 when performing the computer program
Described in any one the step of electronic contract production method based on H5.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In realization electronic contract system based on H5 as described in any one of claim 1 to 6 when the computer program is executed by processor
The step of making method.
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CN109741016A (en) * | 2018-12-17 | 2019-05-10 | 平安国际融资租赁有限公司 | Electron contract method, apparatus, computer equipment and storage medium |
CN109615342A (en) * | 2019-01-02 | 2019-04-12 | 深圳壹账通智能科技有限公司 | Electronic contract signature, electronic contract template configuration method and apparatus |
CN109615343A (en) * | 2019-01-03 | 2019-04-12 | 深圳壹账通智能科技有限公司 | Electronic contract generation method, device, computer equipment and storage medium |
CN110221864A (en) * | 2019-04-24 | 2019-09-10 | 深圳法大大网络科技有限公司 | Electronic document signs method, apparatus and terminal device, storage medium |
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