CN106022775A - File signature method and system based on block chains - Google Patents
File signature method and system based on block chains Download PDFInfo
- Publication number
- CN106022775A CN106022775A CN201610319200.2A CN201610319200A CN106022775A CN 106022775 A CN106022775 A CN 106022775A CN 201610319200 A CN201610319200 A CN 201610319200A CN 106022775 A CN106022775 A CN 106022775A
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- CN
- China
- Prior art keywords
- file
- signature
- block chain
- signed
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Abstract
The invention belongs to the technical field of block chains and provides a file signature method based on block chains. The method comprises steps of: both parties sign a file required to be signed by using a terminal; performing Hash operation on the file signed by the two parties to obtain a Hash value; and embedding the Hash value and file signature information into the block chains. The invention provides a file signature system based on block chains. The file signature system comprises a file signature module and a block chain block. The file signature module is used by the two parties for signing the file required to be signed by using the terminal. The block chain block is used for performing Hash operation on the file signed by the two parties to obtain the Hash value and embedding the Hash value and file signature information into the block chains. The method and the system may sign the file by using the terminal anywhere anytime, is low in cost, efficient in operation, safe in contract, and trusted by clients, and has incomparable availability and law enforceability.
Description
Technical field
The present invention relates to block chain technical field, a kind of file signature method and system based on block chain.
Background technology
Block chain is a kind of novel decentration agreement, can store digital cash transaction or other data safely, and information can not
Forge and distort, can automatically perform intelligence contract, it is not necessary to the examination & verification of any centralization mechanism.
The signature of traditional contracts or attach one's signature to a document, be all first contract or file are drawn up after print, then in printing
Sign at good signatures on documents.This there is problems in that first, must have printer and paper.The second, sign when needs
File not at signer time, signature behavior will be obstructed, and this, for busy people, urgent thing, has delayed file
Time of signature, easily cause loss.
Summary of the invention
It is an object of the invention to the shortcoming for prior art, propose a kind of file signature method based on block chain, including:
Both sides are signed on the file needing signature by terminal；
The file with both sides' signature is carried out Hash operation, it is thus achieved that cryptographic Hash；
Described cryptographic Hash, file signature information are embedded in block chain.
Preferably, described file signature information includes file time of signature, file signer.
Preferably, described both sides are by terminal handwritten signature on the file needing signature.
Preferably, being further comprised the steps of: before signature on the file needing signature by terminal described step both sides need to
File to be signed is saved in service end.
Preferably, wherein first party is after the complete name of file good sign needing signature, and the file having signed name is sent to second party
The file of the described complete name of first party label is signed；
The file with both sides' signature, after the described complete name of file good sign, is sent to described first party by described second party, meanwhile,
File cryptographic Hash, the file signature information the described both sides of having signed are embedded in block chain.
Preferably, described in further comprising the steps of: after cryptographic Hash, file signature information are embedded in block chain by described step
After first party receives the file with both sides' signature, on described block chain, whether inquiry has the file cryptographic Hash of both sides' signature
Exist, if it does, confirm that file is signed successfully.
Preferably, before described confirmation file is signed successfully, described file signature information is generated identification code, and by described identification
Code has on the file page of both sides' signature described in being added on.
Preferably, described identification code is Quick Response Code or three-dimension code or bar code.
Preferably, described identification code be added on described in there is the header of the file page or the footer of handwritten signature.
Preferably, described terminal is mobile phone or computer or flat board or other touch panel device.
For solving above-mentioned technical problem, the present invention also been proposed a kind of file signature system based on block chain and includes that file is signed
Module, block chain module, described file signature module is signed by terminal for both sides on the file needing signature, described
Block chain module is for carrying out Hash operation to the file with both sides' signature, it is thus achieved that cryptographic Hash, and by described cryptographic Hash, literary composition
Part signature information is embedded in block chain.
Preferably, also including validating that module signed by file, described confirmation file signature module is for by looking on block chain
Inquiry has whether the file cryptographic Hash of both sides' signature exists, if it does, confirm that file is signed successfully.
Preferably, also including identification code generation module, described identification code generation module is signed for having both sides on block chain
Name file cryptographic Hash in the presence of, file is signed information generate identification code, and described identification code is added on have both sides signature
The file page on.
The most also include storing file module to be signed, described store file module to be signed for the file of signature will be needed to protect
Presence service end.
Preferably, described file signature information includes file time of signature, file signer.
Preferably, described terminal is mobile phone or computer or flat board or other touch panel device.Or computer,
Or flat board or other touch panel device.
Or computer or flat board or other touch panel device.
Preferably, described both sides are by terminal handwritten signature on the file needing signature.
Preferably, described identification code is Quick Response Code or three-dimension code or bar code.
Preferably, described identification code be added on described in there is the header of the file page or the footer of handwritten signature.
According to present invention file signature based on block chain method and system, break traditions signature custom, it is not necessary to paper, printing
Machines etc., are signed documents by terminal whenever and wherever possible, thus cost more save, work more efficient.
Owing to the file signature method and system based on block chain of the present invention have employed block chain technology, block chain is a kind of new
Type decentration agreement, can store digital cash transaction or other data safely, and information can not be forged and distort, so closing
More trust with safer, client, and have impayable availability and enforceability.
Accompanying drawing explanation
Fig. 1 is the file signature method flow chart in an embodiment based on block chain according to the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail, it is necessary to it is pointed out here that, detailed description below
It is served only for the present invention is further detailed, it is impossible to be interpreted as limiting the scope of the invention, the technology in this field
The present invention can be made some nonessential improvement and adjustment according to foregoing invention content by personnel.
According to present invention file signature based on block chain method and system, break traditions signature custom, it is not necessary to paper, printing
Machines etc., are signed documents by terminal whenever and wherever possible.
As it is shown in figure 1, according to the file signature method based on block chain of the present invention, including:
S110, will need signature file be saved in service end.
When the file needing signature is saved in service end, it is necessary first to logged in by the custom system of signature platform, step on first
Land person needs to carry out identity registration and i.e. registers, and such as individual, needs to fill in name, identification card number, mailbox, cell-phone number etc.,
Required item is set according to practical situation.The most such as enterprise, needs to fill in enterprise name, Institution Code, contact method etc., also
It is to set required item according to practical situation.When succeeding in registration, the custom system of signature platform can distribute PKI with private to registrant
Key.PKI is exactly identifier register person's ID in this platform, private key may be used for logging in.Described signature platform is exactly
The user platform of file signature method based on the block chain research and development according to the present invention.
Logging in signature platform after succeeding in registration, it would be desirable to the file of signature is saved in service end, this document is entered by notice signer
Row signature.
S120, both sides are signed on the file needing signature by terminal.
Wherein first party is by terminal after the complete name of file good sign needing signature, the file having signed name is sent to second party and exists
Sign on the file of the described complete name of first party label.Wherein, terminal can be mobile phone or computer or flat board and other
Touch panel device.The file having signed name is sent to second party by first party, and when sending, it is right to select in signature platform
The ID of side or cell-phone number or identity card etc. realize sending.File is always in store in service end, in this technology
Scheme sends and shows recipient and impart the authority can signed on this document.This document often does once-through operation, all can be
Service end preserves portion.User can also set transmission and not only give this document operating right to the other side, and by this document
Sending portion and arrive the other side, the other side can store voluntarily, in order to enterprises or personal management.
After second party receives the message needing file signature, second party is signed on described file, after having signed name, will have double
The file of side's signature is sent to described first party, meanwhile, the file that the described both sides of having sign is carried out Hash operation, it is thus achieved that
Cryptographic Hash, and cryptographic Hash, file signature information are embedded in block chain.In like manner, when sending, can be at signature platform
The ID of the middle the other side of selection or cell-phone number or identity card etc. realize sending.User can also set transmission not only to
The other side gives this document operating right, and this document is sent portion and arrives the other side, and the other side can store voluntarily, in order to enterprise
Portion or personal management in the industry.
File signature information is the information of relevant signature this document, and including time of signature, signer etc., file signature information is pressed
User needs to set.
S130 confirms that file is signed successfully.
After first party receives the file with both sides' signature, on described block chain, inquiry has the file cryptographic Hash of both sides' signature
Whether exist, if it does, described file signature information is generated identification code, and have described in described identification code is added on double
After on the file page of side's signature, confirm that file is signed successfully.I.e. in this whole signature process, service end is preserved altogether
4 files, are file to be signed respectively, have the file of first party signature, have the file of both sides' signature, have double
Sign and have the file of identification code in side.Described identification code be Quick Response Code or three-dimension code or bar code or other, described
Identification code has the header of the file page or the footer of handwritten signature described in being added on.User is by scanning recognition code i.e.
The concrete signer in road and time of signature.
The file signature method based on block chain of the present invention, each document has independent completion digitized record of the audit.Conclude
Contract Independent Audit, meets judicial evidence collection record.It is suitable for " contract law of the People's Republic of China ", " People's Republic of China's electricity
Son commercial affairs method ", " People's Republic of China's law of electronic signature " specification.
According to the file signature system based on block chain of the present invention, including file signature module, block chain module, confirm literary composition
Part is signed module, identification code generation module, is stored file module to be signed.
Store file module to be signed for the file needing signature is saved in service end.
File signature module is signed by terminal for both sides on the file needing signature.Specific as follows:
Wherein first party is by terminal after the complete name of file good sign needing signature, the file having signed name is sent to second party and exists
Sign on the file of the described complete name of first party label.Wherein, terminal can be mobile phone or computer or flat board and other
Touch panel device.The file having signed name is sent to second party by first party, and when sending, it is right to select in signature platform
The ID of side or cell-phone number or identity card etc. realize sending.File is always in store in service end, in this technology
Scheme sends and shows recipient and impart the authority can signed on this document.This document often does once-through operation, all can be
Service end preserves portion.User can also set transmission and not only give this document operating right to the other side, and by this document
Sending portion and arrive the other side, the other side can store voluntarily, in order to enterprises or personal management.
Block chain module for have both sides signature file carry out Hash operation, it is thus achieved that cryptographic Hash, and by described cryptographic Hash,
File signature information is embedded in block chain.Specific as follows:
After second party receives the message needing file signature, second party is signed on described file, after having signed name, will have double
The file of side's signature is sent to described first party, meanwhile, the file that the described both sides of having sign is carried out Hash operation, it is thus achieved that
Cryptographic Hash, and cryptographic Hash, file signature information are embedded in block chain.In like manner, when sending, can be at signature platform
The ID of the middle the other side of selection or cell-phone number or identity card etc. realize sending.User can also set transmission not only to
The other side gives this document operating right, and this document is sent portion and arrives the other side, and the other side can store voluntarily, in order to enterprise
Portion or personal management in the industry.
Confirm whether file signature module is existed for the file cryptographic Hash by inquiry on block chain with both sides' signature, as
Fruit exists, and confirms that file is signed successfully.
File, in the presence of the file cryptographic Hash on block chain with both sides' signature, is signed information by identification code generation module
Generate identification code, and described identification code is added on the file page with both sides' signature.Described identification code be Quick Response Code or
Person's three-dimension code or bar code or other, described identification code be added on described in have handwritten signature the file page header or
Person's footer.User i.e. may know that concrete signer and time of signature by scanning recognition code.
Claims (10)
1. a file signature method based on block chain, it is characterised in that: including:
Both sides are signed on the file needing signature by terminal；
The file with both sides' signature is carried out Hash operation, it is thus achieved that cryptographic Hash；
Described cryptographic Hash, file signature information are embedded in block chain.
File signature method based on block chain the most according to claim 1, it is characterised in that: described file signature information
Including file time of signature, file signer.
File signature method based on block chain the most according to claim 1, it is characterised in that: described both sides pass through terminal
Handwritten signature on the file needing signature.
File signature method based on block chain the most according to claim 1, it is characterised in that: lead to described step both sides
Cross terminal to further comprise the steps of: before signature on the file needing signature and the file signed will be needed to be saved in service end.
File signature method based on block chain the most according to claim 4, it is characterised in that: further comprise the steps of: wherein
The file having signed name, after the complete name of file good sign needing signature, is sent to second party in the described complete name of first party label by first party
Sign on file；
The file with both sides' signature, after the described complete name of file good sign, is sent to described first party by described second party, meanwhile,
File cryptographic Hash, the file signature information the described both sides of having signed are embedded in block chain.
File signature method based on block chain the most according to claim 1 or 5, it is characterised in that: will in described step
Cryptographic Hash, file signature information further comprises the steps of: described first party after being embedded in block chain and receives the file with both sides' signature
After, on described block chain inquiry have both sides signature file cryptographic Hash whether exist, if it does, confirm file sign into
Merit.
File signature method based on block chain the most according to claim 6, it is characterised in that: described confirmation file is signed
Before success, described file signature information is generated identification code, and there is described in being added on by described identification code the file page of both sides' signature
On face.
File signature method based on block chain the most according to claim 7, it is characterised in that: described identification code is two dimension
Code or three-dimension code or bar code.
File signature method based on block chain the most according to claim 7, it is characterised in that: described identification code is added on
The header of the described file page with handwritten signature or footer.
File signature method based on block chain the most according to claim 1, it is characterised in that: described terminal be mobile phone,
Or computer or flat board or other touch panel device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319200.2A CN106022775A (en) | 2016-05-13 | 2016-05-13 | File signature method and system based on block chains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319200.2A CN106022775A (en) | 2016-05-13 | 2016-05-13 | File signature method and system based on block chains |
Publications (1)
| Publication Number | Publication Date |
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| CN106022775A true CN106022775A (en) | 2016-10-12 |
Family
ID=57100409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610319200.2A Pending CN106022775A (en) | 2016-05-13 | 2016-05-13 | File signature method and system based on block chains |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487801A (en) * | 2016-11-03 | 2017-03-08 | 江苏通付盾科技有限公司 | Information Authentication method and device based on block chain |
| CN106504008A (en) * | 2016-10-24 | 2017-03-15 | 中山大学 | A kind of fair contract signature method based on block chain |
| CN106960165A (en) * | 2017-03-13 | 2017-07-18 | 广东网金控股股份有限公司 | It is a kind of that the method that electronic contract is conutersigned in many ways is realized based on the intelligent contract of block chain |
| CN107832624A (en) * | 2017-10-25 | 2018-03-23 | 济南浪潮高新科技投资发展有限公司 | A kind of visualization signature system and method based on block chain |
| CN108011945A (en) * | 2017-11-30 | 2018-05-08 | 公安部第三研究所 | A kind of cloud evidence obtaining process record method and system based on block chain |
| CN108304710A (en) * | 2018-02-11 | 2018-07-20 | 安云印(天津)大数据科技有限公司 | A kind of E-seal signature method of the involvement identity authentication function based on block chain |
| CN108614878A (en) * | 2018-04-27 | 2018-10-02 | 腾讯科技（深圳）有限公司 | protocol data management method, device, storage medium and system |
| WO2018201797A1 (en) * | 2017-05-03 | 2018-11-08 | 上海点融信息科技有限责任公司 | Block chain-based distributed storage |
| CN108898289A (en) * | 2018-06-13 | 2018-11-27 | 鹰投（上海）海洋科技发展有限公司 | Project completion management system and its implementation based on block chain |
| CN109409122A (en) * | 2018-09-13 | 2019-03-01 | 远光软件股份有限公司 | File memory method and its electronic equipment, storage medium |
| CN109583994A (en) * | 2018-11-06 | 2019-04-05 | 珠海市视微网络科技有限公司 | A kind of operating method for entering B2B2C mall system |
| CN109756341A (en) * | 2018-12-05 | 2019-05-14 | 新华三技术有限公司 | Electronic signature method and device |
| CN110268678A (en) * | 2017-02-14 | 2019-09-20 | 科因普拉格株式会社 | The method by the login of the authentication proxy user based on PKI and the server using it using intelligent contract and block chain database |
| CN110362969A (en) * | 2018-06-12 | 2019-10-22 | 腾讯科技（深圳）有限公司 | A kind of resource rights check method, apparatus and equipment |
| CN110532238A (en) * | 2019-08-19 | 2019-12-03 | 广州华旻信息科技有限公司 | Contract management system and method based on block chain technology |
| CN110826091A (en) * | 2018-08-14 | 2020-02-21 | 珠海金山办公软件有限公司 | File signature method and device, electronic equipment and readable storage medium |
| CN110830257A (en) * | 2018-08-14 | 2020-02-21 | 珠海金山办公软件有限公司 | File signature method and device, electronic equipment and readable storage medium |
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| CN111783158A (en) * | 2020-07-06 | 2020-10-16 | 杭州天谷信息科技有限公司 | Method for guaranteeing safety of electronic contract |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504008A (en) * | 2016-10-24 | 2017-03-15 | 中山大学 | A kind of fair contract signature method based on block chain |
| CN106504008B (en) * | 2016-10-24 | 2017-12-29 | 中山大学 | A kind of fair contract signature method based on block chain |
| CN106487801B (en) * | 2016-11-03 | 2019-10-11 | 江苏通付盾科技有限公司 | Information Authentication method and device based on block chain |
| CN106487801A (en) * | 2016-11-03 | 2017-03-08 | 江苏通付盾科技有限公司 | Information Authentication method and device based on block chain |
| CN110268678B (en) * | 2017-02-14 | 2022-06-07 | 科因普拉格株式会社 | PKI-based login method for authentication agent user and server using same |
| CN110268678A (en) * | 2017-02-14 | 2019-09-20 | 科因普拉格株式会社 | The method by the login of the authentication proxy user based on PKI and the server using it using intelligent contract and block chain database |
| CN106960165A (en) * | 2017-03-13 | 2017-07-18 | 广东网金控股股份有限公司 | It is a kind of that the method that electronic contract is conutersigned in many ways is realized based on the intelligent contract of block chain |
| WO2018201797A1 (en) * | 2017-05-03 | 2018-11-08 | 上海点融信息科技有限责任公司 | Block chain-based distributed storage |
| CN107832624A (en) * | 2017-10-25 | 2018-03-23 | 济南浪潮高新科技投资发展有限公司 | A kind of visualization signature system and method based on block chain |
| CN108011945A (en) * | 2017-11-30 | 2018-05-08 | 公安部第三研究所 | A kind of cloud evidence obtaining process record method and system based on block chain |
| CN108304710A (en) * | 2018-02-11 | 2018-07-20 | 安云印(天津)大数据科技有限公司 | A kind of E-seal signature method of the involvement identity authentication function based on block chain |
| CN108614878B (en) * | 2018-04-27 | 2023-01-10 | 腾讯科技（深圳）有限公司 | Protocol data management method, device, storage medium and system |
| CN108614878A (en) * | 2018-04-27 | 2018-10-02 | 腾讯科技（深圳）有限公司 | protocol data management method, device, storage medium and system |
| CN110362969A (en) * | 2018-06-12 | 2019-10-22 | 腾讯科技（深圳）有限公司 | A kind of resource rights check method, apparatus and equipment |
| CN108898289A (en) * | 2018-06-13 | 2018-11-27 | 鹰投（上海）海洋科技发展有限公司 | Project completion management system and its implementation based on block chain |
| CN110830257A (en) * | 2018-08-14 | 2020-02-21 | 珠海金山办公软件有限公司 | File signature method and device, electronic equipment and readable storage medium |
| CN110826091A (en) * | 2018-08-14 | 2020-02-21 | 珠海金山办公软件有限公司 | File signature method and device, electronic equipment and readable storage medium |
| CN109409122B (en) * | 2018-09-13 | 2022-08-16 | 远光软件股份有限公司 | File storage method, electronic device and storage medium |
| CN109409122A (en) * | 2018-09-13 | 2019-03-01 | 远光软件股份有限公司 | File memory method and its electronic equipment, storage medium |
| CN109583994A (en) * | 2018-11-06 | 2019-04-05 | 珠海市视微网络科技有限公司 | A kind of operating method for entering B2B2C mall system |
| CN109756341A (en) * | 2018-12-05 | 2019-05-14 | 新华三技术有限公司 | Electronic signature method and device |
| CN109756341B (en) * | 2018-12-05 | 2022-03-11 | 新华三技术有限公司 | Electronic signature method and device |
| CN111724155A (en) * | 2019-03-22 | 2020-09-29 | 北京沃东天骏信息技术有限公司 | Electronic contract management method and device |
| CN110532238A (en) * | 2019-08-19 | 2019-12-03 | 广州华旻信息科技有限公司 | Contract management system and method based on block chain technology |
| CN111783158A (en) * | 2020-07-06 | 2020-10-16 | 杭州天谷信息科技有限公司 | Method for guaranteeing safety of electronic contract |
| CN111783158B (en) * | 2020-07-06 | 2024-01-09 | 杭州天谷信息科技有限公司 | Method for guaranteeing security of electronic contract |
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