CN107832907A - Students ' behavior information authentication system based on block chain technology - Google Patents
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Abstract
The invention discloses a kind of students ' behavior information authentication system based on block chain technology, using its distributed frame, trust automatic foundations, anti-tamper, anti-counterfeiting, can trace the features such as, solve the damage of students ' behavior information support material or the problems such as Information Authentication cost height, efficiency caused by losing are low and security can not ensure.The system is made up of block chain technology modules, registration/login module, information issuing module, signal auditing module, information sending module, inquiring and authenticating module, more complete student performance behavioural information chain can be formed, and unified interface service is externally provided.The system drastically increases the cumbersome operating efficiency such as card and verification certainly such as student, school administration, mechanism of enterprises and institutions on the basis of the validity and reliability of students ' behavior Information Authentication is ensured, reduces the cost of human resources of students ' behavior maintenance of information.
Description
Technical field
The invention belongs to educate to deposit card field, and in particular to a kind of students ' behavior Information Authentication system based on block chain technology
System.Present invention can apply in archive of student information management, realize efficient, authoritative, reliable students ' behavior Information Authentication.
Background technology
With the development of China's educational undertaking, the method for overall qualities test and appraisal is carried out to university student gradually to deeper, wider
Level development, each colleges and universities gradually forming using science, method rationally, applicable to the Morally, intelligently, physically and aestheticly of student, energy etc. just
Formulate a series of quantizating index and detailed rules for the implementation in face.Mechanism of enterprises and institutions is not concerned only with student when recruiting graduating university student simultaneously
Achievement at school ranking, its behavior expression in school is focused more on, for example whether there is unlawful practice, if participated in and action
Related activity, if obtain scholarship etc..
Total marks of the examination are still to evaluate the leading indicator of student at this stage, and student's student's conduct behavior is assert more
It is to be completed by way of authoritative institution issues proof more.Some Universities are carried out on students ' behavior Information Authentication problem
Different degrees of exploration, major way are the student's conduct behaviors that student is stored by establishing an integrated system.This is
System places one's entire reliance upon the credibility of manager, and the general Intranet that only provides uses, and lacks the interface for externally providing service.
In the case, the student's conduct for the acquisition student that employing unit can not be quick, credible, inexpensive, so that can not
Accurately judge the overall qualities and ability of student, mechanism of enterprises and institutions may finally occur and miss outstanding personnel, Ontario Scholar obtains
The service to match less than ability therewith and chance.The appearance of block chain technology enable this problem high efficiency, low cost
Solve.
The content of the invention
Refer to the attached drawing 1, the present invention design the students ' behavior information authentication system based on block chain technology, including block chain
Technology modules, registration/login module, signal auditing module, information issuing module, information sending module and inquiring and authenticating module.
Using the distributed frame of block chain technology, establish and trust, be not easy to distort, the characteristic such as can trace, ensureing students ' behavior information
On the basis of the validity and reliability of checking, it is cumbersome from card to drastically increase student, school administration, mechanism of enterprises and institutions etc.
With the operating efficiency such as examine, reduce the cost of human resources of students ' behavior maintenance of information.
Refer to the attached drawing 2, present system overall flow figure comprise the following steps：
1. behavior expression information is issued school administration by student, by the authenticity of its msu message.
2. if the information is untrue, refuse student requests；If the information truth, being written to local data base, return
Student ID is to student.
3. school administration generates op_return_data1 after the information is carried out into Hash, elliptic curve processing, and will
It is written in block chain.
4. block chain returns to transaction number tx_id to school administration.
5. block chain returns to transaction number tx_id to student.
6. student issues transaction number tx_id and student ID in the enterprises and institutions' machine for needing to be verified in school behavior expression to student
Structure.
7. mechanism of enterprises and institutions using transaction number tx_id inquired about from block chain corresponding to record information.
8. if there is transaction number tx_id record information in block chain, return to op_return_data1；Otherwise illustrate
In the absence of the record, then mistake is returned.
9. mechanism of enterprises and institutions reads concrete behavior information using student ID from school's database, and is breathed out using identical
Uncommon, elliptic curve carries out processing generation op_return_data2 to behavioural information.
10. compare op_return_data1 and op_return_data2；If identical, student's student's conduct is proved
Behavioural information is credible；It is if it is different, then insincere.
Beneficial effects of the present invention are as follows：
1. the students ' behavior Information Authentication agreement based on block chain technology is endorsed independent of the credit of manager, and is utilized
Credit relationship constructed by block chain technology, so as to improve checking authority and reliability.
2. student provides to mechanism of enterprises and institutions and proved in school behavior expression, it is only necessary to provides the student ID of oneself and transaction is compiled
Number tx_id.Prove without carrying out student's conduct behavior by way of making out a certificate, so as to save student and school administration
Human resources consume.
3. being far above the income after distorting due to distorting the cost in write-in block chain, rationality attacker can abandon attacking
Hit, and then the result for carrying out behavior expression Information Authentication to student by system has reliability.
4. the distributed frame of block chain technology causes school administration not need centralized maintenance student in school behavior table
Existing information；And managed and safeguarded by disposing node in block chain.Ensure that students ' behavior shows by mechanism of knowing together between node
The uniformity of information, prevent malice from distorting or the generation of cheating.
5. the students ' behavior Information Authentication agreement based on block chain technology has unified checking interface, tested so as to simplify
Flow is demonstrate,proved, improves verification efficiency.
Brief description of the drawings
Fig. 1 is the application system component module；
Fig. 2 is the application system overall flow figure；
Fig. 3 is the application system integrated stand composition；
Fig. 4 is the application system function module figure；
Fig. 5 is the application signal auditing block flow diagram；
Fig. 6 is the application information issuing module flow chart；
Fig. 7 is the application information sending module flow chart；
Fig. 8 is the application inquiring and authenticating block flow diagram；
Embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing, it is specific as follows.
Referring to the drawings 3, the integrated stand composition of present system can be divided into three levels, specific as follows：
1. view layer：The interface element of user is mainly opened using HTML, CSS3, JS, JQuery and Bootstrap
Hair, input and output logic are developed using AJAX and JS.
2. key-course：Key-course is the primary layers of the system, and multiple subsystems form the system, and between different role
Authority it is different, so the service logic of the system is extremely complex, while some functions need multiple subsystems to coordinate to realize.
3. data Layer：On the storage mode of data, the system has used two servers to ensure that system can be normal
Due function is realized, is home server and Gcoin servers respectively.Wherein the operation related to block chain all passes through
Gcoin servers are completed.
Referring to the drawings 4, the functional block diagram of present system can be divided into：
Gcoin block chain modules
1. produce key：Pseudorandom number generator is handled by SHA256 in Gcoin block chains and produces the production private of root seed
Key, the public key corresponding to the private key is generated by elliptic curve.Each corresponding public key of private key, private key are used for the sender that signs
Transaction Information, public key are used for producing transaction address.
2. produce address：Generated public key, which is encoded, using Base58Check produces transaction address.
3. it is traded：Process of exchange is divided into transaction creation and common recognition reaches two stages.In the transaction creation stage, lead to
The interface for crossing the offer of Gcoin blocks chain is created.Transaction form mainly include initiate transaction address, receive transaction address,
5 parameters such as color_id values, dealing money and op_return_data, wherein op_return_data are used for being stored in block
Students ' behavior information in chain.Regulation op_return_data values are up to 128KB, i.e. 64 Chinese characters in Gcoin.In order to more
With increasing effect using op_return_data space size and meanwhile strengthen security, it is of the invention first to carry out students ' behavior information
Hash, then it is stored in by the character string obtained after elliptic curve cryptography.If transaction creation success, return to transaction raw_tx；
Otherwise null value is returned.Signature function signall (x, y) is provided in Gcoin block chains is to sender's trading signature, wherein x
Raw_tx values, y refer to the private key for initiating dealer.In the common recognition stage, Gcoin block chains provide broadcast transaction interface, in Gcoin
Node verification signature validity, and digging ore deposit is carried out using proof of work mechanism.Reach common understanding and pack when transaction and generate block
Afterwards, Gcoin blocks chain returns to transaction number tx_id, can be inquired in Gcoin block chains in corresponding transaction by tx_id values
Hold, i.e., op_return_data values can be got by tx_id values.
4. interface service：Gcoin blocks chain can be used with JSON form store transaction information under Python：['
Vout'] [- 1] [' scriptPubKey'] [' asm'] .split () [- 1] function acquisition op_return_data.
Registration/login module
1. registration：Whole system is realized using Python, uses Flask frameworks.Realize that registration needs to use Flask
In SQLAlchemy extension classes.It can realize by call method that come operating database it can be supported by SQLAlchemy
Multiple types of data storehouse running background.To ensure database security, present system uses Python
Generate_password_hash and check_password_hash methods in werkzeug.security storehouses realize production
Raw ciphertext and checking ciphertext.
2. log in：It can be easy to manage user conversation process by using Flask_Login storehouses, realize and log in related work(
Can, specifically include：The ID for using system instantly is stored in a session, and such user realizes and momentarily logins and move back
Go out；The view that can not be accessed before login by conversation management control user；Processing allows intractable " remembeing me " function of people.
Login management in Flask_Login can improve user's application and the correlation function to cooperate, such as can realize from one
Individual ID loads user；Jump page of user etc. is controlled after user logs in.User_loader letters in Flask-Login
It is several to load user object according to the ID stored in session.One user object Similar integral UserMixin attribute and side
Method, including is_authenticated, is_active, is_anonymous, get_id () etc..Only needed in Flask-Login
Remember=True is passed to the function of login_user i.e. achievable " remembeing me ".
Referring to the drawings 5, signal auditing module workflow is described as follows：
Submit behavioural information：Student enters behavioural information after certification logs in and submits interface, as requested will editor
Good behavior expression information submits to home server.
Administrative department audits：School administration system manager can check the row that student submits after certification logs in
For performance information.Then the behavior expression information submitted is audited according to actual conditions.If being consistent with actual conditions, examination ＆ verification passes through
And behavior information is written on Gcoin block chains, otherwise audit and do not send what is be not inconsistent with actual conditions by and to student
Prompting.
Check auditing result：Student checks auditing result by refresh page., can be at this after system manager audits
New data are inserted in ground server.Often refresh a page, a corresponding data will be read again from home server.
Referring to the drawings 6, information issuing module workflow is as follows：
Write block chain：System manager, by rear, students ' behavior information is written in examination ＆ verification students ' behavior information
In Gcoin block chains.Idiographic flow：It is first according to Gcoin transaction forms and creates a transaction, then calls Gcoin block chains
Module interface function is realized transaction broadcast and confirmed, the transaction reached common understanding finally is got into some block and is linked to Gcoin
Block chain.
Obtain transaction number：After students ' behavior information is successfully written to block chain, transaction number tx_id can be produced.
By calling Gcoin block chain module interfaces to obtain transaction number.
Result visualization：The transaction number of acquisition is written in home server, and is shown in students ' behavior information and carries
Interface and school administration system manager audit interface.
Referring to the drawings 7, information sending module workflow is as follows：
Transmission/receive capabilities：Realize and transaction number, student ID are sent to mechanism of enterprises and institutions.Idiographic flow：Student passes through
Checking signs in the transmission page, mechanism of input enterprises and institutions IP address, port numbers, enterprises and institutions' organization names, transaction number tx_id and
The information such as student ID.Then the communication pattern of lasting, two-way, the long connection of WebSocket protocol realizations is called, meets that message is sent out
The high real-time demand sent/received, i.e., student side is established by handshake method first and connected with the WebSocket at enterprises and institutions ends,
Then onMessage the and postMessage methods in WebSocket are called to realize that message sends and connect with dual channel mode
Receive.The information such as the transaction number sended over and student ID can be checked by being logged in mechanism of enterprises and institutions by checking.
Referring to the drawings 8, inquiring and authenticating module workflow is as follows：
Block chain transaction record is inquired about：Gcoin block chains call according to the transaction number tx_id sent in mechanism of enterprises and institutions
Op_return_data1 in the interface polls block chain that module provides.
Students ' behavior information inquiry：Home server interface polls are called according to the student ID sent by mechanism of enterprises and institutions
Raw behavioural information, and processing generation op_ is carried out to behavioural information using identical hash function, elliptic curve cryptography
return_data2。
Students ' behavior information checking：Compare whether op_return_data1 and op_return_data2 unanimously completes student
Behavioural information checking procedure.
Above description is only an instantiation of present aspect, does not form any limitation of the invention.It is familiar with this area
Technical staff may carry out modifications and changes in form and details after present invention and principle is understood.Therefore, it is of the invention
Above-described embodiment, all any modification, equivalent and improvement made within the principle and spirit of the present invention etc. are not limited to,
It is included within protection scope of the present invention.
Claims (7)
1. the students ' behavior information authentication system based on block chain technology is characterised by：Block chain storage student in school behavior table
Existing, its middle school student's shows in school behavior expression, the both outstanding representation including student, the also violation including student, including：
(1) block chain technology modules：Key is produced, address, transaction is produced, interface service is provided.
(2) registration/login module：Realize registration/login feature of student, janny and mechanism of enterprises and institutions.
(3) signal auditing module：Student submits behavioural information, student to check auditing result, school administration examination ＆ verification.
(4) information issuing module：Write block chain, obtain transaction number (tx_id).
(5) information sending module：Student's sending function, enterprises and institutions' authorities function.
(6) inquiring and authenticating module：Students ' behavior information inquiry, the inquiry of block chain transaction record, students ' behavior information checking.
2. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In block chain technology modules, Gcoin blocks chain is used to produce key by SHA256 for Floor layer Technology platform；Pass through
Public key caused by Base58Check coding elliptic curves obtains transaction address；By JSON forms storage by initiation transaction address,
Receive 5 transaction address, color_id values, dealing money and op_return_data values fields and construct a transaction, wherein op_
Return_data sizes are 128KB, i.e. 64 Chinese characters, deposit the character after Hash, elliptic curve cryptography processing, fully
It make use of op_return_data size while strengthen confidentiality；Interacted by providing interface service with other functional modules.
3. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In registration/login module, by the SQLAlchemy extension classes in Flask frameworks, multiple types of data storehouse running background is supported；
Pass through the generate_password_hash and check_password_hash in Python werkzeug.security storehouses
Method, which is realized, produces ciphertext and checking ciphertext；Pass through Flask_Login library management user conversation processes.
4. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In signal auditing module, there is provided two kinds of operation-roles of student and system manager.Student after login, the behavior table that will be editted
Existing information submits to school administration；Auditing result can be viewed after system manager audits.System manager logs in
Afterwards, the authenticity to be released news according to actual conditions examination ＆ verification student.If being consistent with actual conditions, call described in claim 5
Information issuing module；Otherwise the prompting printed words not being inconsistent with actual conditions are sent to student.
5. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In information issuing module, by calling the trading function in the block chain technology modules described in claim 2, it will audit what is passed through
In students ' behavior performance information write-in Gcoin block chains.By calling carrying in the block chain technology modules described in claim 2
Transaction number tx_id is obtained for interface service, and is presented on keeper and audits after interface and student login on interface.
6. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In information sending module, the transaction number tx_id acquired described in claim 5, student ID are sent to mechanism of enterprises and institutions.
After login, the page of presentation is to send the student information of information and corresponding transaction to the mechanism of enterprises and institutions to mechanism of enterprises and institutions
Numbering tx_id.
7. the students ' behavior information authentication system according to claim 1 based on block chain technology, it is characterised in that：It is described
In inquiring and authenticating module, students ' behavior information inquiry is carried out by inputting student ID and transaction number tx_id, is existed according to student ID
Corresponding students ' behavior information is read in local data base；Block chain according to transaction number tx_id calls claim 2
Interface service is provided in technology modules and reads block information.By local data base middle school student behavioural information by identical Hash,
After elliptic curve cryptography processing compared with read block information.If consistent, students ' behavior information is verified；
Otherwise, then verify and do not pass through.
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