CN107135079A - Electronic document verification method, equipment and system - Google Patents
Electronic document verification method, equipment and system Download PDFInfo
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- CN107135079A CN107135079A CN201710520337.9A CN201710520337A CN107135079A CN 107135079 A CN107135079 A CN 107135079A CN 201710520337 A CN201710520337 A CN 201710520337A CN 107135079 A CN107135079 A CN 107135079A
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- Prior art keywords
- electronic document
- verified
- query
- information
- public key
- Prior art date
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Classifications
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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
- H04L9/3247—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 involving digital signatures
- H04L9/3249—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 involving digital signatures using RSA or related signature schemes, e.g. Rabin scheme
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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
- H04L9/3236—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 using cryptographic hash functions
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
Abstract
The purpose of the application is to provide a kind of scheme of electronic document checking, query facility obtains the Query Information including at least electronic document to be verified in the program, then inquired about to the storage device for storing electronic document original text still to be tested, determine electronic document to be verified, then electronic document to be verified and electronic signature to be verified are sent into checking equipment to be verified, checking equipment calculates its hash summaries according to the electronic document to be verified got, public key to be tested is calculated according to hash summaries and the electronic signature, then the public key to be tested is inquired about in the public key of storage, if inquiring, it can then determine that the electronic document passes through checking, represent that the electronic document is mutually corresponding with the electronic signature, the electronic document is authentic and valid and not tampered.
Description
Technical field
The application is related to areas of information technology, more particularly to the scheme that a kind of electronic document is verified.
Background technology
With the development of ecommerce, the commercial document such as contract, agreement between transaction agent is increasing with electronics
Form occurs, because the modification of electronic document is more convenient compared to traditional document made of paper, therefore a wherein side for transaction is real
The electronic document that border is taken is likely to be the electronic document for the content that was maliciously tampered, it is also possible to be that third party falsely uses transaction separately
The electronic document that the name of one side is signed, therefore how electronic document is verified, judge whether electronic document truly has
Effect has become an e-commerce field urgent problem to be solved.
Apply for content
The purpose of the application is to provide a kind of scheme of electronic document checking, to solve how to enter electronic document
The problem of row checking.
To achieve the above object, this application provides a kind of electronic document verification method in checking equipment, the checking
Equipment is stored with the public key of electronic document associated user, and this method includes：
Electronic document to be verified and electronic signature to be verified are obtained from query facility；
The electronic document to be verified according to getting calculates its hash summaries, is made a summary according to the hash and described
Electronic signature calculates public key to be tested；
The public key to be tested is inquired about in the public key of storage, and when inquiring the public key to be tested, determines the electronics
Document passes through checking.
Further, the checking end equipment is also stored with the identity information of electronic document associated user, wherein, the body
There are mapping relations in part information and the public key of the electronic document associated user；
This method also includes：
When inquiring the public key to be tested, the identity of the electronic document associated user is determined according to the mapping relations
Information.
The embodiment of the present application provides a kind of electronic document verification method in query facility, and methods described includes：
Query Information is obtained, wherein, Query Information includes the electronic signature of electronic document to be verified；
Inquire about the electronic document to be verified to storage device, and receive from the storage device inquire described in treat
The electronic document of checking；
The electronic document to be verified and electronic signature to be verified are sent to checking equipment, so that the checking equipment
According to the electronic document to be verified got and electronic signature to be verified, the result is determined.
Further, the Query Information also includes other index informations；
The electronic document to be verified is inquired about to storage device, including：
The storage address of the electronic document to be verified is determined according to other described index informations, based on the storage
The electronic document to be verified is inquired about in location to storage device.
Further, the Query Information also includes encrypted message；
The electronic document to be verified that storage device is returned is received, including：
The encrypted electronic document to be verified that storage device is returned is received, according to the encrypted message to the encryption
Electronic document is decrypted, and obtains the electronic document to be verified.
Further, the Query Information also includes authority information, wherein, the authority information represents the query facility
User obtain data restricted information.
Further, Query Information is obtained, including：
The Query Information is obtained by way of scanning Quick Response Code.
The embodiment of the present application also provides a kind of electronic document verification method in storage device, and the storage device is stored with
Sign electronically corresponding electronic document, and methods described includes：
Inquiry request based on query facility, determines the electronic document to be verified, wherein, the inquiry request includes
Electronic signature to be verified；
The electronic document to be verified is sent to the query facility.
Another aspect based on the application, additionally provides a kind of checking equipment verified for electronic document, the equipment
Including：
Memory module, the public key for storing electronic document associated user,
Communication module, for obtaining electronic document to be verified and electronic signature to be verified from query facility；
Verification process module, for calculating its hash summaries according to the electronic document to be verified got, according to
The hash summaries and the electronic signature calculate public key to be tested, and inquire about the public key to be tested in the public key of storage, and
When inquiring the public key to be tested, determine that the electronic document passes through checking.
Further, the memory module, is additionally operable to store the identity information of electronic document associated user, wherein, it is described
There are mapping relations in identity information and the public key of the electronic document associated user；
The verification process module, is additionally operable to, when inquiring the public key to be tested, institute be determined according to the mapping relations
State the identity information of electronic document associated user.
Present invention also provides a kind of query facility verified for electronic document, the equipment includes：
Input module, for obtaining Query Information, wherein, Query Information includes the electronics label of electronic document to be verified
Name；
Communication module, for inquiring about the electronic document to be verified to storage device, and is received from the storage device
The electronic document to be verified inquired, and send the electronic document to be verified and to be verified to checking equipment
Electronic signature, so that the checking equipment is according to the electronic document to be verified got and electronic signature to be verified,
Determine the result.
Further, the Query Information also includes other index informations；
The communication module, the storage for determining the electronic document to be verified according to other described index informations
Location, the electronic document to be verified is inquired about based on the storage address to storage device.
Further, the Query Information also includes encrypted message；
The communication module, the encrypted electronic document to be verified for receiving storage device return, according to described
The encrypted electronic document is decrypted encrypted message, obtains the electronic document to be verified.
Further, the Query Information also includes authority information, wherein, the authority information represents the query facility
User obtain data restricted information.
Further, the input module, for obtaining the Query Information by way of scanning Quick Response Code.
Present invention also provides a kind of storage device verified for electronic document, the equipment includes：
Memory module, for storing the corresponding electronic document of electronic signature；
Communication module, the inquiry request for receiving query facility, and send described to be verified to the query facility
Electronic document, wherein, the inquiry request include electronic signature to be verified；
Query processing module, the electronic document to be verified is determined for the inquiry request based on query facility.
In addition, present invention also provides a kind of system verified for electronic document, the system is set including foregoing checking
Standby, query facility and storage device.
Compared with prior art, this application provides a kind of scheme of electronic document checking, query facility is obtained in the program
The Query Information including at least electronic document to be verified is taken, is then set to the storage for storing electronic document original text still to be tested
It is standby to be inquired about, electronic document to be verified is determined, then electronic document to be verified and electronic signature to be verified is sent
Verified to checking equipment, checking equipment calculates its hash summaries, root according to the electronic document to be verified got
Public key to be tested is calculated according to hash summaries and the electronic signature, the public key to be tested is then inquired about in the public key of storage,
If inquiring, it can determine that the electronic document, by checking, represents that the electronic document is mutually corresponding with the electronic signature, should
Electronic document is authentic and valid and not tampered.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 verifies the schematic diagram of system for a kind of electronic document that the embodiment of the present application is provided；
Fig. 2 is process chart when the embodiment of the present application realizes electronic document checking；
Fig. 3 is the principle schematic that the embodiment of the present application realizes electronic document checking；
The schematic diagram of each equipment in a kind of electronic document checking system that Fig. 4 provides for the embodiment of the present application；
The schematic diagram for another equipment for realizing electronic document checking that Fig. 5 provides for the embodiment of the present application；
Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment
The application is described in further detail below in conjunction with the accompanying drawings.
In one typical configuration of the application, terminal, the equipment of service network include one or more processors
(CPU), input/output interface, network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media, can be by any side
Method or technology realize that information is stored.Information can be computer-readable instruction, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only storage
(ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc (CD-
ROM), digital versatile disc (DVD) or other optical storages, magnetic cassette tape, magnetic disk storage or other magnetic storages
Equipment or any other non-transmission medium, the information that can be accessed by a computing device available for storage.
Fig. 1 shows that a kind of electronic document that the embodiment of the present application is provided verifies the schematic diagram of system, and the system includes
Verify equipment 110, storage device 120 and query facility 130.In actual scene, the checking equipment and storage device can be with
As service end, it can be multiple physical equipments that it, which is implemented, and it can be independent deployment for example to verify equipment and storage device
Server either server cluster or checking equipment and storage device can also be realized by physical equipment, for example
It is deployed in same server or server cluster.Query facility 130 is as client, and it can be all kinds of use that it, which is implemented,
Family terminal, such as mobile phone, tablet personal computer, PC.
The system can realize the checking of electronic document, and the handling process of its verification method is as shown in Fig. 2 including following place
Manage step：
Step S201, query facility obtains Query Information.Because in actual scene, the original text of electronic document may be related to
And the information of some secrecy, and inquiry should not be directly disclosed to, such as commercial contract is secret due to the business for being related to contract parties
Close and unsuitable external disclosure, due to being that the hash summary computations based on electronic document are obtained in the electronic signature of electronic document
Arrive, therefore the information of these need for confidentiality will not be included, therefore the electronic signature of electronic document can be disclosed to inquiry, with
For inquiring and authenticating.
Query Information has comprised at least the electronic signature of electronic document to be verified, and query facility is grasped according to the input of user
Work can get the original text of electronic document.In actual scene, it is possible to use the mode of scanning Quick Response Code obtains to be verified
Electronic document, i.e., generate Quick Response Code by the original text of electronic document, and user passes through mobile phone or other terminal device scans two dimensions
After code, you can parse the textual content of electronic document to be verified.In addition, the Quick Response Code bag described in the embodiment of the present application
Include but be not limited to the black and white Quick Response Code of rectangle, color 2 D code or other any special-shaped codes that can be used in carrying information, example
Such as fingerprint code, circular code, fan-shaped code.
Step S202, query facility inquires about electronic document to be verified to storage device.Due to being stored with storage device
Electronic signature to be verified can be directly included in electronic document, the inquiry request that query facility is sent, and with the work that signs electronically
Inquired about for a kind of index information, it is possible thereby to inquire the electronic document to be verified.
In addition, the Query Information can also include other index informations.Now, query facility is inquired about to storage device
During the electronic document to be verified, first depositing for the electronic document to be verified can be determined according to other index informations
Address is stored up, the storage address is then based on and inquires about the electronic document to be verified to storage device.
For example, other index informations can represent to look into for the information such as addressing information or index number, addressing information
The storage address of electronic document to be verified is ask, under different application scenarios, the storage address can be different contents, example
Such as in following scene, if the number of servers as storage device of actual deployment only has one, then all electronics texts
Book is stored in this server, then address (such as IP of the storage device can be pre-configured with query facility
Location, port numbers etc.), when query facility needs to be inquired about, then it can directly read the address, you can determine storage device
Address, now the storage address of electronic document is the store path in the storage device, based on the store path, storage device
Can quick positioning electronic document, read and feed back to query facility.
And under another scene, the number of servers as storage device of actual deployment might have it is multiple, it is necessary to
Inquire electronic document to be verified to there may be present in any one server, if each server has different ground
Location, then query facility needs to obtain the address of the server where electronic document to be verified before transmitting, just can be suitable
Profit completes inquiry.Thus, the content of the storage address of electronic document can be the electronic document in the entire system globally
Location, i.e., include the store path of the address and electronic document of storage device in the storage device simultaneously.
Moreover, above-mentioned addressing information can also be the addressing system in the distributed network system (DNS) of decentralization, such as block
Decentralization addressing system in chain.
Step S203, storage device receives inquiry request from query facility.
Step S204, storage device is based on the inquiry request, determines the electronic document to be verified.Because storage is set
Electronic document corresponding with the electronic signature in inquiry request is stored in standby, then regard electronic signature to be verified as retrieval
Condition, can inquire the corresponding electronic document of electronic signature to be verified.Or, it can also be inquired based on other retrieval information
The electronic document to be verified needed.
Step S205, storage device sends the electronic document to be verified to query facility.In actual scene, storage
During the electronic document that equipment is sent a query to the query facility, first electronic document can be encrypted, to query facility
The electronic document after encryption is sent, so that the transmission process of electronic document is safer.
Step S206, query facility receives the electronic document to be verified that storage device is returned.If storage device pair
Electronic document is encrypted, then what is now received is encrypted electronic document, if desired obtains normal electronic document, then needs
The encrypted electronic document is decrypted.In the process, it is necessary to the encrypted message for decryption be used, the application's
In a kind of embodiment, the encrypted message can be carried in the Query Information that query facility is got, when query facility is received
During encrypted electronic document, it can be decrypted with it, further increase security.
In another embodiment of the application, authority information can also be further included in Query Information.The authority letter
Breath can represent that the user of the query facility obtains the restricted information of data, and the user of query facility refers to currently used inquiry
Equipment carries out the inquiry of electronic document checking, can be made a distinction by information such as account number, the user names of the user.Limitation letter
Breath refer to user for query facility from storage device or checking equipment obtain data when some restrictive conditions, including look into
Ask the one of which of restrictive condition or a variety of combinations such as number of times, query time, the content for the data that can be got.Example
Such as, can be " same account can only obtain the relevant information of 3 electronic documents ", " can only be daily 9:00~17：During 00 work
Section obtains data " or " electronic signature for being merely able to get electronic document " etc..
Step S207, query facility sends the electronic document to be verified and electronics label to be verified to checking equipment
Name, so that the checking equipment is according to the electronic document to be verified and the electronic signature to be verified got, it is determined that
The result.
Step S208, checking equipment obtains electronic document to be verified and electronic signature to be verified from query facility.
Step S209, checking equipment calculates its hash summaries according to the electronic document to be verified got, according to
The hash summaries and the electronic signature calculate public key to be tested.Verify that equipment can be to be verified by hash (Hash) algorithm
Electronic document in calculate hash summary, wherein, hash algorithm should use with generation electronic signature hash message digest phases
Same algorithm, such as any one existing algorithm, such as MD5, SHA1., can be further after hash summaries are calculated
Public key to be tested is calculated with reference to the electronic signature of the electronic document to be verified received.
Step S210, checking equipment inquires about the public key to be tested in the public key of storage, because public key can be identified as only
One and do not have repeatability, when inquiring the public key to be tested, you can determine the electronic document pass through checking.Verify equipment
In be at least stored with the public key of electronic document associated user, public keys of these storages can be used for inquiry as the database of inquiry
Obtained public key to be tested is calculated, if in all public keys of storage, having inquired public key to be tested, then the electronics text can be determined
Book is by checking, and it is authentic and valid to represent the electronic document, i.e., electronic document to be verified in Query Information is not tampered with.Should
Checking equipment need to preserve individual or the public key information of legal person of sealed contract electronic document, such as existing ca authentication mechanism.
In actual scene, consideration for privacy reasons may be without the specific of signatory in the original text of electronic document
Identity information, if inquiry needs to learn the actual signatory of some electronic documents in commercial activity, thus the application is implemented
Example further provides following scheme, that is, verifies that end equipment can also be stored with the identity information of electronic document associated user, its
In, there are mapping relations in the identity information and the public key of the electronic document associated user.Thus, inquire it is described to be tested
During public key, the identity information of the electronic document associated user is determined according to the mapping relations.For example, in foregoing scene,
Electronic document can be the contract signed in many ways, and its electronic document associated user can be a wherein side signatory for the contract,
Thus user can pass through the signatory of the Pubic-Key search that calculates to electronic document while the electronic document of checking.
The result is fed back to query facility by step S211, checking equipment.In actual scene, query facility is fed back to
The result in the content that includes can be pre-set according to the demand of practical application scene, for example represent what is be verified
The result can be the information of " by checking ", can also inquire corresponding public key, or can also be and inquire
Corresponding signatory's identity information etc..In addition, the content that includes of the result can when receiving every time after Query Information,
Authority information in Query Information is determined.If for example, whether regulation " is merely able to get by checking in authority information
Prompting ", then query facility is merely able to get the judged result for verifying whether to pass through, if if in authority information regulation " can only
Enough get the identity information of electronic document signatory ", then the result that query facility is got is " the label of the electronic document
Administration person is XXX " (being verified), or " electronic document is without corresponding informance " (checking do not pass through).
Fig. 3 shows the checking principle of electronic document proof scheme in the embodiment of the present application, and the figure has shown that the application is real
Apply the possibility that the proof scheme of example offer is realized in technical principle., it is necessary to which two keys come in rivest, shamir, adelman
It is encrypted and decrypted, the two keys are public key (i.e. public key, public-key cryptography) and private key (i.e. private key, private
Have key), each user has respective public key and private key.RSA, DSA, ECDSA scheduling algorithm can be utilized in actual scene
Generate key.
And the hash summaries of the electronic document can be obtained by carrying out hash calculating to electronic document, use electronic document related
After hash summaries are encrypted the private key of user, the electronic signature of the electronic document can be obtained.Based on hash algorithm
Characteristic, if after being distorted to the original text of electronic document, then re-starting hash and calculating and will be unable to obtain identical hash to pluck
Will, it is impossible to obtain identical electronic signature.And storage device is stored with original in the embodiment of the present application electronic document (i.e. not by
The electronic document distorted) and electronic signature, it is as shown in the table：
| Index number | Electronic document | Electronic signature |
| 1 | Document1 | Signature1 (hash1+ private keys 1) |
| 2 | Document2 | Signature2 (hash2+ private keys 2) |
| 3 | Document3 | Signature3 (hash3+ private keys 3) |
| 4 | Document4 | Signature4 (hash4+ private keys 4) |
User can input electronic signature to be verified in query facility, whether to judge the electronic signature to be verified
It is corresponding with the electronic document in storage device.Query facility can use other index informations such as index number 3 or electronics
Signature Signature3 is inquired about in storage device, and the original text that can inquire electronic document to be verified is
Document3, then storage device return to Query Result Document3 to query facility.In actual scene, if storage device
In do not have store Document3 relative recording, then can return to the Query Result not found.
Query facility sends electronic document Document3 and Query Result Signature3 to be verified to checking equipment
Middle to be verified, verification process is：Hash calculating is carried out to Document3 using identical algorithm and obtains its hash summaries, if
User can input electronic document to be verified in query facility and not be modified, then its hash calculated summaries must be
Hash3, then can calculate correct public key 3, and then searched whether in checking equipment by Signature3 and hash3
Be stored with public key 3, then can determine whether the electronic document to be verified that query facility is sent is tampered.If electronics to be verified
Document is tampered with, then its hash calculated summaries will not be necessarily hash3, therefore pass through Signature3 and the hash
Summary can not also calculate correct public key 3, the public key now calculated be can not find in the public key of checking equipment storage, therefore
It can determine that electronic document to be verified is tampered with.
By taking the key that ECDSA algorithms are generated as an example, the process that it generates signature is as follows：
1st, select an elliptic curve Ep (a, b), and elliptic curve basic point G；
2nd, selection private cipher key dA (dA<N, n are G rank), calculate public-key cryptography=dAG using basic point G；
3rd, a random integers k (k is produced<N), k × G=(x1,y1)；
4th, r=x1, s=(hash+rdA)/k, hash is the correlation made a summary with the hash of electronic document here；
5th, r and s is as electronic signature, if r and s one of them be 0, performed again since the 3rd step.
It follows that electronic signature can be designated following form：
In the embodiment of the present application, checking equipment can utilize the above-mentioned principle of ECDSA algorithms, be plucked by electronic signature and hash
When calculating the public key of electronic document associated user to be verified, specific calculating process is as follows：
SkG=hashG+rdAG
If storing the identity information of electronic document associated user in checking equipment, signatory's title of such as contract,
There are mapping relations in identity information and the public key of contract signatory, as shown in the table：
Thus, the public key calculated is inquired about in checking equipment by searching, electronic document associated user can also be determined
Identity information, checking equipment can return to the information such as " being verified ", public key or electronic document signatory's identity to query facility.
In the electronic document checking system that the embodiment of the present application is provided, checking equipment 110, storage device 120 and inquiry are set
Standby 130 structure is as shown in Figure 4.Verify that equipment 110 includes memory module 111, communication module 112 and verification process module 113.
Memory module 111 is used for the public key for storing electronic document associated user, and communication module 112 is used to obtain to be verified from query facility
Electronic document and electronic signature to be verified, verification process module 113 is used for according to the electronics to be verified that gets
Document calculates its hash summaries, and public key to be tested is calculated according to hash summaries and the electronic signature, and in the public affairs of storage
The public key to be tested is inquired about in key, and when inquiring the public key to be tested, determines that the electronic document passes through checking.
Further, memory module 111 is additionally operable to store the identity information of electronic document associated user, wherein, the body
There are mapping relations in part information and the public key of the electronic document associated user；And the verification process module 113 is additionally operable to
When inquiring the public key to be tested, the identity information of the electronic document associated user is determined according to the mapping relations.
Storage device 120 includes memory module 121, communication module 122 and query processing module 123, wherein, memory module
121 are used to store the corresponding electronic document of electronic signature, and communication module 122 is used to receive electronics text to be verified from query facility
Book, and the electronic document to be verified is sent to the query facility, wherein, the Query Information includes electricity to be verified
Son signature.Query processing module 123 is used to inquire about the electronic document to be verified in the electronic document of the storage, it is determined that
The electronic document to be verified.
Query facility 130 includes input module 131 and communication module 132, wherein, input module 131 is used to obtain at least
The Query Information of electronic document to be verified is included, communication module 132 is used to inquire about the electronics to be verified to storage device
Document, and the electronic document to be verified of storage device return is received, and send described to be verified to checking equipment
Electronic document and electronic signature to be verified so that the checking equipment according to the electronic document to be verified got and
Electronic signature to be verified, determines the result.
In one embodiment of the application, the Query Information can also include other index informations, now, described logical
Letter module 132 can be used for the address that the storage end equipment is determined according to other described index informations, and according to the address
The electronic document to be verified is sent to storage end equipment.
In another embodiment of the application, the Query Information also includes encrypted message, now, the communication module
132 are used to receive the encrypted electronic document to be verified that storage device is returned, according to the encrypted message to the encryption
Electronic document is decrypted, and obtains the electronic document to be verified.
In addition, the Query Information can also include authority information, wherein, the authority information represents the query facility
User obtain data restricted information.
Further, the input module can be obtained when obtaining Query Information by way of scanning Quick Response Code.
In summary, query facility obtains the Query Information including at least electronic document to be verified in the program, then
Inquired about to the storage device for storing electronic document original text still to be tested, determine electronic document to be verified, then will treat
The electronic document of checking and electronic signature to be verified are sent to checking equipment and verified, checking equipment is according to the institute got
State electronic document to be verified and calculate its hash summaries, public key to be tested is calculated according to hash summaries and the electronic signature,
Then the public key to be tested is inquired about in the public key of storage, if inquiring, can determine that the electronic document passes through checking, table
Show that the electronic document is mutually corresponding with the electronic signature, the electronic document is authentic and valid and not tampered.
In addition, the part of the application can be applied to computer program product, such as computer program instructions, when its quilt
When computer is performed, by the operation of the computer, it can call or provide according to the present processes and/or technical scheme.
And the programmed instruction of the present processes is called, it is possibly stored in fixed or moveable recording medium, and/or pass through
Broadcast or the data flow in other signal bearing medias and be transmitted, and/or be stored in the calculating run according to programmed instruction
In the working storage of machine equipment.Here, one embodiment of the application includes an equipment as shown in Figure 5, the equipment bag
The memory 510 for storing computer program instructions and the processor 520 for execute program instructions are included, wherein, when the meter
When calculation machine programmed instruction is by the computing device, side of the equipment operation based on foregoing multiple embodiments according to the application is triggered
Method and/or technical scheme, so as to realize query facility, storage device or the function of verifying equipment.
It should be noted that the application can be carried out in the assembly of software and/or software and hardware, for example, can adopt
Realized with application specific integrated circuit (ASIC), general purpose computer or any other similar hardware device.In one embodiment
In, the software program of the application can realize above step or function by computing device.Similarly, the software of the application
Program (include related data structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory, magnetic or
CD-ROM driver or floppy disc and similar devices.In addition, some steps or function of the application can employ hardware to realize, for example,
As coordinating with processor so as to performing the circuit of each step or function.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present application is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the application.Any reference in claim should not be considered as to the claim involved by limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (17)
1. a kind of electronic document verification method in checking equipment, wherein, the checking equipment is stored with, and electronic document is related to be used
The public key at family, this method includes：
Electronic document to be verified and electronic signature to be verified are obtained from query facility；
The electronic document to be verified according to getting calculates its hash summaries, according to hash summaries and the electronics
Signature calculation public key to be tested；
The public key to be tested is inquired about in the public key of storage, and when inquiring the public key to be tested, determines the electronic document
Pass through checking.
2. according to the method described in claim 1, wherein, the checking end equipment is also stored with the body of electronic document associated user
Part information, wherein, there are mapping relations in the identity information and the public key of the electronic document associated user；
This method also includes：
When inquiring the public key to be tested, the identity for determining the electronic document associated user according to the mapping relations is believed
Breath.
3. a kind of electronic document verification method in query facility, wherein, methods described includes：
Query Information is obtained, wherein, Query Information includes the electronic signature of electronic document to be verified；
The electronic document to be verified is inquired about to storage device, and inquire described to be verified is received from the storage device
Electronic document；
Send the electronic document to be verified and electronic signature to be verified to checking equipment so that the checking equipment according to
The electronic document to be verified got and electronic signature to be verified, determine the result.
4. method according to claim 3, wherein, the Query Information also includes other index informations；
The electronic document to be verified is inquired about to storage device, including：
The storage address of the electronic document to be verified is determined according to other described index informations, based on the storage address to
Storage device inquires about the electronic document to be verified.
5. method according to claim 3, wherein, the Query Information also includes encrypted message；
The electronic document to be verified that storage device is returned is received, including：
The encrypted electronic document to be verified that storage device is returned is received, according to the encrypted message to the encrypted electronic
Document is decrypted, and obtains the electronic document to be verified.
6. method according to claim 3, wherein, the Query Information also includes authority information, wherein, the authority letter
Breath represents that the user of the query facility obtains the restricted information of data.
7. the method according to any one of claim 3 to 6, wherein, Query Information is obtained, including：
The Query Information is obtained by way of scanning Quick Response Code.
8. a kind of electronic document verification method in storage device, wherein, the storage device electronic signature that is stored with is corresponding
Electronic document, methods described includes：
Inquiry request based on query facility, determines the electronic document to be verified, wherein, the solicited message includes to be tested
The electronic signature of card；
The electronic document to be verified is sent to the query facility.
9. a kind of checking equipment verified for electronic document, wherein, the equipment includes：
Memory module, the public key for storing electronic document associated user,
Communication module, for obtaining electronic document to be verified and electronic signature to be verified from query facility；
Verification process module, for calculating its hash summaries according to the electronic document to be verified got, according to described
Hash makes a summary and the electronic signature calculates public key to be tested, and inquires about in the public key of storage the public key to be tested, and is looking into
When asking the public key to be tested, determine that the electronic document passes through checking.
10. equipment according to claim 9, wherein, the memory module is additionally operable to store electronic document associated user's
Identity information, wherein, there are mapping relations in the identity information and the public key of the electronic document associated user；
The verification process module, is additionally operable to, when inquiring the public key to be tested, the electricity be determined according to the mapping relations
The identity information of Ziwen book associated user.
11. a kind of query facility verified for electronic document, wherein, the equipment includes：
Input module, for obtaining Query Information, wherein, Query Information includes the electronic signature of electronic document to be verified；
Communication module, is looked into for inquiring about the electronic document name to be verified to storage device, and being received from the storage device
The electronic document to be verified ask, and send the electronic document to be verified and electricity to be verified to checking equipment
Son signature, so that the checking equipment is according to the electronic document to be verified got and electronic signature to be verified, really
Determine the result.
12. equipment according to claim 11, wherein, the Query Information also includes other index informations；
The communication module, the storage address for determining the electronic document to be verified according to other described index informations,
The electronic document to be verified is inquired about to storage device based on the storage address.
13. equipment according to claim 11, wherein, the Query Information also includes encrypted message；
The communication module, the encrypted electronic document to be verified for receiving storage device return, according to the password
The encrypted electronic document is decrypted information, obtains the electronic document to be verified.
14. equipment according to claim 11, wherein, the Query Information also includes authority information, wherein, the authority
Information represents that the user of the query facility obtains the restricted information of data.
15. the equipment according to any one of claim 11 to 14, wherein, the input module, for passing through scanning two
The mode of dimension code obtains the Query Information.
16. a kind of storage device verified for electronic document, wherein, the equipment includes：
Memory module, for storing the corresponding electronic document of electronic signature；
Communication module, the inquiry request for receiving query facility, and send the electricity to be verified to the query facility
Ziwen book, wherein, the inquiry request includes electronic signature to be verified；
Query processing module, the electronic document to be verified is determined for the inquiry request based on query facility.
17. a kind of system verified for electronic document, wherein, the system includes：
Checking equipment as claimed in claim 1 or 2；
Query facility as any one of claim 3 to 7；
Storage device as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520337.9A CN107135079A (en) | 2017-06-30 | 2017-06-30 | Electronic document verification method, equipment and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710520337.9A CN107135079A (en) | 2017-06-30 | 2017-06-30 | Electronic document verification method, equipment and system |
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| CN107135079A true CN107135079A (en) | 2017-09-05 |
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| CN201710520337.9A Pending CN107135079A (en) | 2017-06-30 | 2017-06-30 | Electronic document verification method, equipment and system |
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| CN112039677A (en) * | 2020-11-05 | 2020-12-04 | 飞天诚信科技股份有限公司 | Method and system for code scanning operation processing based on server |
| CN113537984A (en) * | 2018-06-26 | 2021-10-22 | 创新先进技术有限公司 | Content verification method and device based on block chain and electronic equipment |
| CN113761578A (en) * | 2021-09-10 | 2021-12-07 | 马治国 | Document true checking method based on block chain |
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