CN110110532A - A kind of method and system based on block chain technical notes achievement - Google Patents
A kind of method and system based on block chain technical notes achievement Download PDFInfo
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Abstract
The invention discloses a kind of method and system based on block chain technical notes achievement, wherein this method comprises: the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；Total marks of the examination information is stored in achievement block by block chain network；For block chain network according to the name and student number of the affiliated User of total marks of the examination, the exclusive public key for transferring User encrypts achievement block；Block chain network sends transaction request to User end；User end receives the exclusive private key of student's input, and exclusive private key is sent to block chain network；Block chain network is decrypted achievement block by private key；The total marks of the examination information stored in achievement block is sent to User end by block chain network.By means of the invention it is possible to which making the record of student performance can not be tampered, and enhance the storage security of track record.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of method based on block chain technical notes achievement and it is
System.
Background technique
The total marks of the examination of student are all standard of the measurement student to mastery of knowledge degree all the time, and all in the class
Raw achievement all teacher on hand, charting is generally made on computers, or Table Printing is come out, is recorded on paper,
But it often occur the problem that the modification of fraction achievement, achievement number are carried out by teacher since center power is excessive in this way
According to being easily lost, it cannot achieve the effect that permanent storage data, achievement data storage are dangerous, the above problem causes student's
The record of total marks of the examination is easy to be tampered, and stores dangerous.
Summary of the invention
The present invention provides a kind of method and system based on block chain technical notes achievement, can make the record of student performance
It can not be tampered, and enhance the storage security of track record.
According to an aspect of the invention, there is provided a kind of method based on block chain technical notes achievement, including it is following
Step: the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；Wherein, the total marks of the examination letter
Name and student number of the breath comprising total marks of the examination, the affiliated User of the total marks of the examination；The block chain network by it is described examination at
Achievement information is stored in achievement block；Name and of the block chain network according to the affiliated User of the total marks of the examination
Number, the exclusive public key for transferring User encrypts the achievement block；The block chain network is sent out to User end
Send transaction request；The User end receives the exclusive private key of student's input, and the exclusive private key is sent to the area
Block chain network；The block chain network is decrypted the achievement block by the exclusive private key；The block chain network
The total marks of the examination information stored in the achievement block is sent to the User end.
Preferably, before the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network,
This method is further comprising the steps of: teacher's user terminal and User end send connection request to block chain network；Wherein, institute
State the name and student number of name and work number and student that connection request includes teacher；The block chain network receives the connection
Request, and block chain address is distributed to teacher's user terminal and the User end, so that the block chain network and institute
State teacher's user terminal and User end successful connection.
Preferably, after the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network,
And before the total marks of the examination information is stored in achievement block by the block chain network, this method further includes following step
Rapid: the block chain network generates the exclusive public affairs of the User according to the name and student number of the affiliated User of total marks of the examination
Key and exclusive private key；The exclusive private key of the User is sent to the User end by the block chain network.
Preferably, the User end receives the exclusive private key of student's input, and the exclusive private key is sent to institute
After stating block chain network, this method is further comprising the steps of: the User end receives the exclusive number label of student's input
Name, and the exclusive digital signature is sent to the block chain network；The block chain network verifying exclusive number label
Whether name matches with the exclusive private key；If it is, executing the block chain network by the exclusive private key to described
The step of achievement block is decrypted.
Preferably, the total marks of the examination information stored in the achievement block is sent to the student by the block chain network
After user terminal, this method is further comprising the steps of: the achievement that the User end receives student's input modifies application, and will
The achievement modification application is sent to the block chain network；Wherein, the achievement modification application includes topic and the Shen of erroneous judgement
The achievement that please be modify；Achievement modification application is sent to the teacher for propagating above-mentioned student examination achievement by the block chain network
User terminal；Teacher's user terminal receives the achievement suggestion for revision of teacher's input, and if being sent to the achievement suggestion for revision
Dry evaluation user terminal；Wherein, the achievement suggestion for revision includes modification reason, modification content and modified achievement；It is described
Teacher's user terminal receives the agreement suggestion for revision that several described evaluation user terminals are sent, and sends modification instruction to the block
Chain network；The block chain network responds the modification and instructs, to the examination of the above-mentioned student stored in the achievement block at
Achievement is modified.
According to another aspect of the present invention, a kind of system based on block chain technical notes achievement is additionally provided, including
Teacher's user terminal, block chain network, User end:
Wherein, teacher's user terminal includes: achievement radio unit, the total marks of the examination information broadcast for inputting teacher
In block chain network；Wherein, the total marks of the examination information includes the name of total marks of the examination, the affiliated User of the total marks of the examination
And student number；
Wherein, the block chain network includes: achievement storage unit, for the total marks of the examination information to be stored in achievement
In block；Achievement encryption unit transfers User for the name and student number according to the affiliated User of the total marks of the examination
Exclusive public key the achievement block is encrypted；Transaction transmission unit, for sending transaction request to User end；
Wherein, the User end includes: private key acquiring unit, for receiving the exclusive private key of student's input, and will
The exclusive private key is sent to the block chain network；
The block chain network further include: achievement decryption unit is used for through the exclusive private key to the achievement block
It is decrypted；Achievement transmission unit is used for the total marks of the examination information stored in the achievement block to be sent to the student
Family end.
Preferably, teacher's user terminal further include: the first transmission unit, in the achievement radio unit by teacher
Before the total marks of the examination information of input is broadcasted in block chain network, connection request is sent to block chain network；Wherein, the company
Connect the name and work number that request includes teacher；
The User end further include: the second transmission unit, for teacher is inputted in the achievement radio unit
Before the broadcast of total marks of the examination information is in block chain network, connection request is sent to block chain network；Wherein, the connection request
Name and student number including student；
The block chain network further include: connection unit, the connection request sent for receiving first transmission unit
The connection request sent with second transmission unit, and block chain is distributed to teacher's user terminal and the User end
Address, so that the block chain network and teacher's user terminal and User end successful connection.
Preferably, the block chain network further include: code key generation unit, in the achievement radio unit by teacher
After the total marks of the examination information of input is broadcasted in block chain network, according to the name of the affiliated User of total marks of the examination and
Number, generate the exclusive public key and exclusive private key of the User；Private key transmission unit, for by the exclusive private key of the User
It is sent to the User end；It executes the achievement storage unit again the total marks of the examination information is stored in achievement block
The step of.
Preferably, the User end further include: signature transmission unit is learned for receiving in the private key acquiring unit
The exclusive private key of raw input, and after the exclusive private key is sent to the block chain network, receive the exclusive of student's input
Digital signature, and the exclusive digital signature is sent to the block chain network；
The block chain network further include: authentication unit, for verify the exclusive digital signature whether with it is described exclusive
Private key matches；The achievement decryption unit, be specifically used for when the authentication unit verify the exclusive digital signature with it is described
When exclusive private key matches, the achievement block is decrypted by the exclusive private key.
Preferably, the User end further include: the first application transmission unit, being used for will in the achievement transmission unit
The total marks of the examination information stored in the achievement block is sent to after the User end, and the achievement for receiving student's input is repaired
Change application, and achievement modification application is sent to the block chain network；Wherein, the achievement modification application includes erroneous judgement
Topic and application modification achievement；
The block chain network further include: the second application transmission unit, for achievement modification application to be sent to biography
Broadcast teacher's user terminal of above-mentioned student examination achievement；
Teacher's user terminal further include: suggestion for revision transmission unit, for receiving the achievement suggestion for revision of teacher's input,
And the achievement suggestion for revision is sent to several evaluation user terminals；Wherein, the achievement suggestion for revision include modification reason,
Modify content and modified achievement；Instruction sending unit is modified, for receiving the same of several evaluation user terminals transmissions
Meaning suggestion for revision, and modification instruction is sent to the block chain network；
The block chain network further include: achievement modifies unit, for responding the modification instruction, to the achievement block
The total marks of the examination of the above-mentioned student of middle storage are modified.
Compared with prior art, beneficial effects of the present invention are as follows:
Through the invention, the total marks of the examination of student can be broadcasted in block chain network and are stored in specific by teacher first
In achievement block, the exclusive public key that block chain network can transfer the student encrypts achievement block, while can also be to
Transaction request is sent in hair tonic, and student can be solved achievement block using the private key of oneself after receiving the transaction request
The close achievement for checking oneself.Academics and students have the block chain address of oneself in the present invention, and block chain network can be according to
Raw student number and name generates the exclusive public key and exclusive private key of the student, and such teacher broadcasts achievement in block chain network
It is just encrypted later with public key, so that teacher can not modify to achievement, enhances decentralization performance, each student's
Achievement is all saved in specific block, will not there is a situation where loss of data, and the achievement in block needs student private
It can just be checked after key decryption, improve the safety of achievement storage.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In attached drawing:
Fig. 1 is a kind of flow chart of method based on block chain technical notes achievement according to an embodiment of the present invention；
Fig. 2 is a kind of structural block diagram of system based on block chain technical notes achievement according to an embodiment of the present invention；
Fig. 3 is the flow chart of the according to embodiments of the present invention one another method based on block chain technical notes achievement；
Fig. 4 is the flow chart of according to embodiments of the present invention two another method based on block chain technical notes achievement.
Specific embodiment
Below in conjunction with attached drawing of the present invention, technical solution of the present invention is described, but described embodiment is only
A part of the embodiment of the present invention, based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of method based on block chain technical notes achievement, Fig. 1 is real according to the present invention
A kind of flow chart of method based on block chain technical notes achievement of example is applied, as shown in Figure 1, comprising the following steps:
Step S101: the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；Wherein, it examines
Try the name and student number that performance information includes total marks of the examination, the affiliated User of the total marks of the examination；
Step S102: total marks of the examination information is stored in achievement block by block chain network；
Step S103: block chain network transfers User according to the name and student number of the affiliated User of total marks of the examination
Exclusive public key achievement block is encrypted；
Step S104: block chain network sends transaction request to User end；
Step S105: User end receives the exclusive private key of student's input, and exclusive private key is sent to block link network
Network；
Step S106: block chain network is decrypted achievement block by exclusive private key；
Step S107: the total marks of the examination information stored in achievement block is sent to User end by block chain network.
In implementation process, before step S101, teacher's user terminal and User end are sent to block chain network
Connection request；Wherein, connection request includes the name and work number and the name and student number of student of teacher；Block chain network receives
Connection request, and block chain address is distributed to teacher's user terminal and User end, so that block chain network and teacher's user terminal
With the successful connection of User end.
After step slol and before step S102, block chain network is according to the affiliated User of total marks of the examination
Name and student number generate the exclusive public key and exclusive private key of the User；Block chain network is by the exclusive private of the User
Key is sent to User end.
After step S105, User end receives the exclusive digital signature of student's input, and by exclusive digital signature
It is sent to block chain network；Block chain network verifies whether exclusive digital signature matches with exclusive private key；If it is, executing
The step of block chain network is decrypted achievement block by exclusive private key.
After step S107, the achievement that User end receives student's input modifies application, and achievement is modified and is applied
It is sent to block chain network；Wherein, achievement modification application includes the topic of erroneous judgement and the achievement of application modification；Block chain network will
Achievement modification application is sent to the teacher's user terminal for propagating above-mentioned student examination achievement；Teacher's user terminal receive teacher input at
Achievement suggestion for revision, and achievement suggestion for revision is sent to several evaluation user terminals；Wherein, achievement suggestion for revision includes that modification is former
Cause, modification content and modified achievement；Teacher's user terminal receives the agreement suggestion for revision that several evaluation user terminals are sent, and
Modification instruction is sent to block chain network；Block chain network response modification instruction, to the above-mentioned student's stored in achievement block
Total marks of the examination are modified.
Through the above steps, after teacher broadcasts the total marks of the examination of student into block chain network, block chain network
Specific achievement block can be generated to store the total marks of the examination of student, ensure that student examination achievement data will not in this way
It loses, while block chain encrypts achievement block, so that teacher can not go modification total marks of the examination again, enhances data not
Can tamper, also improve achievement storage safety.
The embodiment of the invention also provides a kind of systems based on block chain technical notes achievement, are based on for realizing above-mentioned
The method of block chain technical notes achievement.
Fig. 2 is a kind of structural block diagram of system based on block chain technical notes achievement according to an embodiment of the present invention, such as
Shown in Fig. 2, which includes teacher's user terminal 10, block chain network 20, User end 30:
Wherein, teacher's user terminal 10 includes: achievement radio unit 101, and the total marks of the examination information for inputting teacher is wide
It broadcasts in block chain network 20；Wherein, total marks of the examination information includes the name of total marks of the examination, the affiliated User of the total marks of the examination
And student number；
Wherein, block chain network 20 includes: achievement storage unit 201, for total marks of the examination information to be stored in achievement area
In block；Achievement encryption unit 202 transfers User for the name and student number according to the affiliated User of total marks of the examination
Exclusive public key encrypts achievement block；Transaction transmission unit 203, for sending transaction request to User end 30；
Wherein, User end 30 includes: private key acquiring unit 301, for receiving the exclusive private key of student's input, and will
Exclusive private key is sent to block chain network 20；
Block chain network 20 further include: achievement decryption unit 204, for being solved by exclusive private key to achievement block
It is close；Achievement transmission unit 205, the total marks of the examination information for will store in achievement block are sent to User end 30.
For a kind of system based on block chain technical notes achievement, teacher's user terminal 10 further include: the first transmission unit
102, for before total marks of the examination information that achievement radio unit 101 inputs teacher is broadcasted in block chain network 20, to
Block chain network 20 sends connection request；Wherein, connection request includes the name and work number of teacher；
User end 30 further include: the second transmission unit 302, for teacher is inputted in achievement radio unit 101
Before the broadcast of total marks of the examination information is in block chain network 20, connection request is sent to block chain network 20；Wherein, connection request
Name and student number including student；
Block chain network 20 further include: connection unit 206, for receiving the connection request of the first transmission unit 102 transmission
The connection request sent with the second transmission unit 302, and block chain address is distributed to teacher's user terminal 10 and User end 30,
So that block chain network 20 and 30 successful connection of teacher's user terminal 10 and User end.
For a kind of system based on block chain technical notes achievement, block chain network 20 further include: code key generation unit
207, for after total marks of the examination information that achievement radio unit 101 inputs teacher is broadcasted in block chain network 20, root
According to the name and student number of the affiliated User of total marks of the examination, the exclusive public key and exclusive private key of the User are generated；Private key hair
Unit 208 is sent, for the exclusive private key of the User to be sent to User end 30；Achievement storage unit 201 is executed again
Total marks of the examination information is stored in the step in achievement block.
For a kind of system based on block chain technical notes achievement, User end 30 further include: signature transmission unit
303, for receiving the exclusive private key of student's input in private key acquiring unit 301, and exclusive private key is sent to block chain network
After 20, the exclusive digital signature of student's input is received, and exclusive digital signature is sent to block chain network 20；
Block chain network 20 further include: authentication unit 209, for verify exclusive digital signature whether with exclusive private key phase
Match；Achievement decryption unit 204, specifically for leading to when authentication unit 209 verifies exclusive digital signature and exclusive private key matches
Exclusive private key is crossed achievement block is decrypted.
For a kind of system based on block chain technical notes achievement, User end 30 further include: the first application is sent
Unit 304, for the total marks of the examination information stored in achievement block to be sent to User end 30 in achievement transmission unit 205
Later, the achievement for receiving student's input modifies application, and achievement modification application is sent to block chain network 20；Wherein, achievement
Modification application includes the topic of erroneous judgement and the achievement of application modification；
Block chain network 20 further include: the second application transmission unit 210, for achievement modification application to be sent to propagation
State teacher's user terminal 10 of student examination achievement；
Teacher's user terminal 10 further include: suggestion for revision transmission unit 103, for receiving the achievement modification meaning of teacher's input
See, and achievement suggestion for revision is sent to several evaluation user terminals；Wherein, achievement suggestion for revision includes modification reason, modification
Content and modified achievement；Instruction sending unit 104 is modified, the agreement modification sent for receiving several evaluation user terminals
Opinion, and modification instruction is sent to block chain network 20；
Block chain network 20 further include: achievement modifies unit 211, instructs for response modification, to storing in achievement block
The total marks of the examination of above-mentioned student modify.
It should be noted that a kind of system based on block chain technical notes achievement described in Installation practice corresponds to
Above-mentioned embodiment of the method, concrete implementation process had carried out detailed description in embodiment of the method, no longer superfluous herein
It states.
In order to keep technical solution of the present invention and implementation method clearer, below in conjunction with preferred embodiment in fact
Existing process is described in detail.
Embodiment one
Method the present embodiment provides another kind based on block chain technical notes achievement, as shown in figure 3, Fig. 3 is according to this
The flow chart of another method based on block chain technical notes achievement of inventive embodiments one, comprising the following steps:
Step S301: teacher's user terminal and User end send connection request to block chain network；
In the embodiment of the present invention, above-mentioned connection request includes the name and work number and the name and student number of student of teacher；
As an alternative embodiment, teacher's user terminal and User end need and block chain network establishes connection
Relationship can just receive and send messages, and realize that data are synchronous, after teacher's user terminal establishes a connection with block chain network, teacher client
The permission of broadcast message in the oriented block chain network of end；
Step S302: block chain network receives above-mentioned connection request, and gives teacher's user terminal and User end distribution area
Block chain address, so that block chain network and teacher's user terminal and the successful connection of User end；
Step S303: the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；
In the embodiment of the present invention, above-mentioned total marks of the examination information includes total marks of the examination, the affiliated User of the total marks of the examination
Name and student number；
Step S304: block chain network generates student use according to the name and student number of the affiliated User of total marks of the examination
The exclusive public key and exclusive private key at family；
In the embodiment of the present invention, block chain network can be using the name of student and student number as specific block chain address, often
A address can and can be only generated the private key and public key of corresponding 64 byte, i.e. the distinctive exclusive public key of the student and exclusive
Private key；Artificial compiled code make block chain network generate student private key and public key complete code it is as shown below:
Step S305: the exclusive private key of the User is sent to User end by block chain network；
Step S306: total marks of the examination information is stored in achievement block by block chain network；
As an alternative embodiment, block chain network will add automatically when receiving the total marks of the examination of teacher's broadcast
Add a block, which contains the block chain address, the total marks of the examination of student, the cryptographic Hash of block, father's block Hash of the teacher
Value etc., the information of the block of block chain is mainly build and block body, block structure (block size of 4 bytes, the block of 80 bytes
Head, the number of transaction of 1~9 byte, the transaction data of variable-size), block head (version number of 4 bytes, the father of 32 bytes
Block cryptographic Hash, the merkle root of 32 bytes, the timestamp of 4 bytes, the difficulty target of 4 bytes, the Nonce of 4 bytes)；
The total marks of the examination data of student are stored in achievement block by the embodiment of the present invention, and the examination of each student at
Achievement data have individual block to be stored, and allow for that total marks of the examination data are not easy to lose in this way, improve data storage
Safety；
Step S307: block chain network transfers User according to the name and student number of the affiliated User of total marks of the examination
Exclusive public key achievement block is encrypted；
In the embodiment of the present invention, it may insure to store total marks of the examination number within a block by carrying out encryption to achievement block
According to safety, once total marks of the examination data storage within a block after once can not be distorted, This prevents teachers to student
Total marks of the examination the case where modifying, effective decentralization；
The complete code that artificial compiled code encrypts public key to block is as shown below:
Step S308: block chain network sends transaction request to User end；
Step S309: User end receives the exclusive private key of student's input, and exclusive private key is sent to block link network
Network；
Step S310: User end receives the exclusive digital signature of student's input, and exclusive digital signature is sent to
Block chain network；
In the embodiment of the present invention, exclusive digital signature is made using the exclusive private key received in User end, this number
Signature can represent the identity information of student, name and student number including student, and exclusive digital signature is sent to block by student
The identity of itself can be proved in chain network, so as to achievement block successful decryption；
Step S311: block chain network verifies whether exclusive digital signature matches with exclusive private key；If it is, executing
Step S312~step S313；If not, thening follow the steps S309；
In the embodiment of the present invention, verify whether exclusive digital signature matches with exclusive private key by block chain network, it can
To know clearly whether the user of decryption achievement block is User belonging to the total marks of the examination of village school in achievement block, when
Block chain network verifies exclusive digital signature and matches with exclusive private key, then what explanation will decrypt achievement block is exactly achievement block
User belonging to the total marks of the examination of middle storage, then block chain network will be using the exclusive private key that student sends to achievement area
Block is decrypted；When block chain network verifies exclusive digital signature and exclusive private key mismatch, then explanation will decrypt achievement block
Be not User belonging to the total marks of the examination that are stored in achievement block, block chain network can be sent out to User end at this time
Send trivial solution confidential information, prompt user's input exclusive digital signature be it is wrong, correct exclusive digital signature can be replaced
Operation is decrypted again；
Step S312: block chain network is decrypted achievement block by exclusive private key；
In the embodiment of the present invention, the complete code that artificial compiled code makes achievement block decrypted is as shown below:
Step S313: the total marks of the examination information stored in achievement block is sent to User end by block chain network.
Embodiment two
The present embodiment provides another methods based on block chain technical notes achievement, as shown in figure 4, Fig. 4 is according to this
The flow chart of method of another of inventive embodiments two based on block chain technical notes achievement, comprising the following steps:
Step S401: teacher's user terminal and User end send connection request to block chain network；
In the embodiment of the present invention, above-mentioned connection request includes the name and work number and the name and student number of student of teacher；
As an alternative embodiment, teacher's user terminal and User end need and block chain network establishes connection
Relationship can just receive and send messages, and realize that data are synchronous, after teacher's user terminal establishes a connection with block chain network, teacher client
The permission of broadcast message in the oriented block chain network of end；
Step S402: block chain network receives above-mentioned connection request, and gives teacher's user terminal and User end distribution area
Block chain address, so that block chain network and teacher's user terminal and the successful connection of User end；
Step S403: the total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；
In the embodiment of the present invention, above-mentioned total marks of the examination information includes total marks of the examination, the affiliated User of the total marks of the examination
Name and student number；
Step S404: block chain network generates student use according to the name and student number of the affiliated User of total marks of the examination
The exclusive public key and exclusive private key at family；
In the embodiment of the present invention, block chain network can be using the name of student and student number as specific block chain address, often
A address can and can be only generated the private key and public key of corresponding 64 byte, i.e. the distinctive exclusive public key of the student and exclusive
Private key；Artificial compiled code make block chain network generate student private key and public key complete code it is as shown below:
Step S405: the exclusive private key of the User is sent to User end by block chain network；
Step S406: total marks of the examination information is stored in achievement block by block chain network；
As an alternative embodiment, block chain network will add automatically when receiving the total marks of the examination of teacher's broadcast
Add a block, which contains the block chain address, the total marks of the examination of student, the cryptographic Hash of block, father's block Hash of the teacher
Value etc., the information of the block of block chain is mainly build and block body, block structure (block size of 4 bytes, the block of 80 bytes
Head, the number of transaction of 1~9 byte, the transaction data of variable-size), block head (version number of 4 bytes, the father of 32 bytes
Block cryptographic Hash, the merkle root of 32 bytes, the timestamp of 4 bytes, the difficulty target of 4 bytes, the Nonce of 4 bytes)；
The total marks of the examination data of student are stored in achievement block by the embodiment of the present invention, and the examination of each student at
Achievement data have individual block to be stored, and allow for that total marks of the examination data are not easy to lose in this way, improve data storage
Safety；
Step S407: block chain network transfers User according to the name and student number of the affiliated User of total marks of the examination
Exclusive public key achievement block is encrypted；
In the embodiment of the present invention, it may insure to store total marks of the examination number within a block by carrying out encryption to achievement block
According to safety, once total marks of the examination data storage within a block after once can not be distorted, This prevents teachers to student
Total marks of the examination the case where modifying, effective decentralization；
The complete code that artificial compiled code encrypts public key to block is as shown below:
Step S408: block chain network sends transaction request to User end；
Step S409: User end receives the exclusive private key of student's input, and exclusive private key is sent to block link network
Network；
Step S410: User end receives the exclusive digital signature of student's input, and exclusive digital signature is sent to
Block chain network；
In the embodiment of the present invention, exclusive digital signature is made using the exclusive private key received in User end, this number
Signature can represent the identity information of student, name and student number including student, and exclusive digital signature is sent to block by student
The identity of itself can be proved in chain network, so as to achievement block successful decryption；
Step S411: block chain network verifies whether exclusive digital signature matches with exclusive private key；If it is, executing
Step S412~step S418；If not, thening follow the steps S409；
In the embodiment of the present invention, verify whether exclusive digital signature matches with exclusive private key by block chain network, it can
To know clearly whether the user of decryption achievement block is User belonging to the total marks of the examination of village school in achievement block, when
Block chain network verifies exclusive digital signature and matches with exclusive private key, then what explanation will decrypt achievement block is exactly achievement block
User belonging to the total marks of the examination of middle storage, then block chain network will be using the exclusive private key that student sends to achievement area
Block is decrypted；When block chain network verifies exclusive digital signature and exclusive private key mismatch, then explanation will decrypt achievement block
Be not User belonging to the total marks of the examination that are stored in achievement block, block chain network can be sent out to User end at this time
Send trivial solution confidential information, prompt user's input exclusive digital signature be it is wrong, correct exclusive digital signature can be replaced
Operation is decrypted again；
Step S412: block chain network is decrypted achievement block by exclusive private key；
In the embodiment of the present invention, the complete code that artificial compiled code keeps achievement block decrypted is as shown below:
Step S413: the total marks of the examination information stored in achievement block is sent to User end by block chain network；
Step S414: the achievement that User end receives student's input modifies application, and achievement modification application is sent to
Block chain network；
In the embodiment of the present invention, above-mentioned achievement modification application includes the topic of erroneous judgement and the achievement of application modification；Student exists
Check after total marks of the examination that student can send achievement into block chain network if it find that total marks of the examination have the place of erroneous judgement
Modification application；
Step S415: achievement modification application is sent to the teacher user for propagating above-mentioned student examination achievement by block chain network
End；
Step S416: teacher's user terminal receives the achievement suggestion for revision of teacher's input, and achievement suggestion for revision is sent to
Several evaluation user terminals；
In the embodiment of the present invention, above-mentioned achievement suggestion for revision includes modification reason, modification content and modified achievement；?
In block chain network, the data stored within a block can not be tampered, only when nodes most in block chain network
Opinion it is all consistent when could be modified, so teacher checked student achievement modification application after, if it is considered to student
The suggestion for revision of proposition is correctly, then to solicit the opinion of other evaluations teacher, if it is considered to the suggestion for revision that student proposes is
Mistake, then it can will refute opinion and be sent in block chain network, the opinion of refuting of teacher is sent to by block chain network again
Student, wherein the correct option and student of refuting the erroneous judgement topic that opinion includes student's proposition fill in the answer on paper
Error reason；
Step S417: teacher's user terminal receives the agreement suggestion for revision that several evaluation user terminals are sent, and sends modification
It instructs to block chain network；
In the embodiment of the present invention, each evaluation user terminal of several evaluation user terminals, which is sent, agrees to suggestion for revision,
It could illustrate having identical ideas for several evaluations teacher, just meet the condition to total marks of the examination data modification in block at this time, this
When teacher can be sent into block chain network modification instruction so that the total marks of the examination number that block chain network will store in achievement block
According to modifying；
Step S418: block chain network responds above-mentioned modification instruction, the examination to the above-mentioned student stored in achievement block
Achievement is modified.
In the embodiment of the present invention, block chain network can send to the student after the total marks of the examination for having modified student and mention
Show information, to prompt the total marks of the examination after student's query modification.
In summary, through the foregoing embodiment, teacher can broadcast the total marks of the examination of student in block chain network first
And be stored in specific achievement block, the exclusive public key that block chain network can transfer the student encrypts achievement block,
Transaction request can be also sent to the student simultaneously, student can utilize the private key of oneself will after receiving the transaction request
The achievement for checking oneself is decrypted in achievement block.Academics and students have the block chain address of oneself, and block in the present invention
Chain network can generate the exclusive public key and exclusive private key of the student according to the student number and name of student, and such teacher broadcasts achievement
It is just encrypted with public key after in block chain network, so that teacher can not modify to achievement, enhances decentralization
Performance, the achievement of each student are saved in specific block, will not there is a situation where loss of data, and in block at
Achievement can just be checked after needing student to be decrypted with private key, improve the safety of achievement storage；In addition, student to achievement block into
The identity for also needing to verify oneself when row decryption by exclusive digital signature, ensures that total marks of the examination data in this way
Safety；In addition, student after checking total marks of the examination if it find that total marks of the examination are wrong, can propose modification application,
After obtaining the opinion of consistent same modification achievement of multiple evaluation teachers, block chain network just can be to the total marks of the examination of the student
It modifies, thus effectively raises decentralization performance, also ensure the authenticity of student examination achievement.
Claims (10)
1. a kind of method based on block chain technical notes achievement, which comprises the following steps:
The total marks of the examination information that teacher's user terminal inputs teacher is broadcasted in block chain network；Wherein, the total marks of the examination letter
Name and student number of the breath comprising total marks of the examination, the affiliated User of the total marks of the examination；
The total marks of the examination information is stored in achievement block by the block chain network；
The block chain network transfers the exclusive of User according to the name and student number of the affiliated User of the total marks of the examination
Public key encrypts the achievement block；
The block chain network sends transaction request to User end；
The User end receives the exclusive private key of student's input, and the exclusive private key is sent to the block link network
Network；
The block chain network is decrypted the achievement block by the exclusive private key；
The total marks of the examination information stored in the achievement block is sent to the User end by the block chain network.
2. the method according to claim 1, wherein the total marks of the examination that teacher's user terminal inputs teacher are believed
It is further comprising the steps of before breath broadcast is in block chain network:
Teacher's user terminal and User end send connection request to block chain network；Wherein, the connection request includes old
The name and work number of teacher and the name and student number of student；
The block chain network receives the connection request, and distributes block to teacher's user terminal and the User end
Chain address, so that the block chain network and teacher's user terminal and User end successful connection.
3. according to the method described in claim 2, it is characterized in that, the total marks of the examination that teacher's user terminal inputs teacher are believed
After breath broadcast is in block chain network and the total marks of the examination information is stored in achievement block by the block chain network
Before, further comprising the steps of:
The block chain network generates the exclusive public affairs of the User according to the name and student number of the affiliated User of total marks of the examination
Key and exclusive private key；
The exclusive private key of the User is sent to the User end by the block chain network.
4. according to the method described in claim 3, it is characterized in that, the User end receives the exclusive private of student's input
Key, and after the exclusive private key is sent to the block chain network, it is further comprising the steps of:
The User end receives the exclusive digital signature of student's input, and the exclusive digital signature is sent to the area
Block chain network；
The block chain network verifies whether the exclusive digital signature matches with the exclusive private key；
If it is, executing the step of block chain network is decrypted the achievement block by the exclusive private key.
5. according to the method described in claim 4, it is characterized in that, the block chain network will store in the achievement block
Total marks of the examination information is sent to after the User end, further comprising the steps of:
The achievement that the User end receives student's input modifies application, and achievement modification application is sent to the area
Block chain network；Wherein, the achievement modification application includes the topic of erroneous judgement and the achievement of application modification；
Achievement modification application is sent to the teacher's user terminal for propagating above-mentioned student examination achievement by the block chain network；
Teacher's user terminal receives the achievement suggestion for revision of teacher's input, and the achievement suggestion for revision is sent to several
Evaluate user terminal；Wherein, the achievement suggestion for revision includes modification reason, modification content and modified achievement；
Teacher's user terminal receives the agreement suggestion for revision that several described evaluation user terminals are sent, and sends modification instruction extremely
The block chain network；
The block chain network responds the modification and instructs, to the total marks of the examination of the above-mentioned student stored in the achievement block into
Row modification.
6. a kind of system based on block chain technical notes achievement, which is characterized in that including teacher's user terminal, block chain network,
User end:
Wherein, teacher's user terminal includes:
Achievement radio unit, the total marks of the examination information for inputting teacher are broadcasted in block chain network；Wherein, the examination
Performance information includes the name and student number of total marks of the examination, the affiliated User of the total marks of the examination；
Wherein, the block chain network includes:
Achievement storage unit, for the total marks of the examination information to be stored in achievement block；
Achievement encryption unit transfers User for the name and student number according to the affiliated User of the total marks of the examination
Exclusive public key encrypts the achievement block；
Transaction transmission unit, for sending transaction request to User end；
Wherein, the User end includes:
The exclusive private key for receiving the exclusive private key of student's input, and is sent to the block chain by private key acquiring unit
Network；
The block chain network further include:
Achievement decryption unit, for the achievement block to be decrypted by the exclusive private key；
Achievement transmission unit, for the total marks of the examination information stored in the achievement block to be sent to the User end.
7. system according to claim 6, which is characterized in that teacher's user terminal further include:
First transmission unit, the total marks of the examination information for inputting teacher in the achievement radio unit are broadcasted in block link network
Before in network, connection request is sent to block chain network；Wherein, the connection request includes the name and work number of teacher；
The User end further include:
Second transmission unit, the total marks of the examination information for inputting teacher in the achievement radio unit are broadcasted in block link network
Before in network, connection request is sent to block chain network；Wherein, the connection request includes the name and student number of student；
The block chain network further include:
Connection unit, for receiving the connection request that first transmission unit is sent and the company that second transmission unit is sent
Connect request, and distribute block chain address to teacher's user terminal and the User end so that the block chain network with
Teacher's user terminal and User end successful connection.
8. system according to claim 7, which is characterized in that the block chain network further include:
Code key generation unit, the total marks of the examination information for inputting teacher in the achievement radio unit are broadcasted in block link network
After in network, according to the name and student number of the affiliated User of total marks of the examination, the exclusive public key of the User and exclusive is generated
Private key；
Private key transmission unit, for the exclusive private key of the User to be sent to the User end；Execute again it is described at
The total marks of the examination information is stored in the step in achievement block by achievement storage unit.
9. system according to claim 8, which is characterized in that the User end further include:
It signs transmission unit, for receiving the exclusive private key of student's input in the private key acquiring unit, and by the exclusive private
Key is sent to after the block chain network, receives the exclusive digital signature of student's input, and the exclusive digital signature is sent out
It send to the block chain network；
The block chain network further include:
Authentication unit, for verifying whether the exclusive digital signature matches with the exclusive private key；
The achievement decryption unit is specifically used for verifying the exclusive digital signature and the exclusive private key when the authentication unit
When matching, the achievement block is decrypted by the exclusive private key.
10. system according to claim 9, which is characterized in that the User end further include:
First application transmission unit, the total marks of the examination information for will be stored in the achievement block in the achievement transmission unit
It is sent to after the User end, the achievement for receiving student's input modifies application, and the achievement is modified application and is sent
To the block chain network；Wherein, the achievement modification application includes the topic of erroneous judgement and the achievement of application modification；
The block chain network further include:
Second application transmission unit, for achievement modification application to be sent to the teacher's use for propagating above-mentioned student examination achievement
Family end；
Teacher's user terminal further include:
Suggestion for revision transmission unit is sent for receiving the achievement suggestion for revision of teacher's input, and by the achievement suggestion for revision
User terminal is evaluated to several；Wherein, the achievement suggestion for revision includes modification reason, modification content and modified achievement；
Instruction sending unit is modified, the agreement suggestion for revision sent for receiving several described evaluation user terminals, and send and repair
Change instruction to the block chain network；
The block chain network further include:
Achievement modifies unit, instructs for responding the modification, to the examination of the above-mentioned student stored in the achievement block at
Achievement is modified.
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Application publication date: 20190809 |