CN110990808B - Notarization number shaking method based on block chain - Google Patents

Notarization number shaking method based on block chain Download PDF

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CN110990808B
CN110990808B CN201911148562.XA CN201911148562A CN110990808B CN 110990808 B CN110990808 B CN 110990808B CN 201911148562 A CN201911148562 A CN 201911148562A CN 110990808 B CN110990808 B CN 110990808B
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shaking
number shaking
initiator
information
notarization
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CN110990808A (en
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李伟
梁秀波
李启雷
尹可挺
邱炜伟
章人威
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Hangzhou Qulian Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/64Protecting data integrity, e.g. using checksums, certificates or signatures
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C15/00Generating random numbers; Lottery apparatus

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Abstract

The invention discloses a block chain-based notarization number shaking method, which comprises the following steps: (1) the number shaking initiator performs real-name authentication; (2) introducing a data notarization party; (3) the data notarization party verifies the shaking number information and the rules uploaded by the shaking number initiator by means of a notarization system; (4) and if the audit is not passed, closing the shaking number. Otherwise, the rocker information and rules will be stored as the upper chain. The number shaking initiator can shake the number, and the number shaking process executes the number shaking operation based on the cryptology characteristics of the block chain and the open random algorithm. (5) And uploading the number shaking result information to a notarization system for the data notarization party to verify. The notarization number shaking method has the characteristics of low cost, time and labor saving and full disclosure.

Description

Notarization number shaking method based on block chain
Technical Field
The invention relates to a number shaking method and a notarization method, in particular to a notarization number shaking method based on a block chain.
Background
The block chain is originated from the smart bitcoin in China, is used as the bottom layer technology of the bitcoin, is essentially a decentralized database, and refers to a technical scheme for collectively maintaining a reliable database in a decentralized and distrust manner. The block chain technology is a technical scheme which does not depend on a third party and carries out storage, verification, transmission and communication of network data through self distributed nodes. At present, due to the shortage of various resources, a random drawing mode is often needed to realize reasonable allocation of the resources in the market. Such as the distribution of rare items such as cars, houses, and parking spaces. The random algorithm is used for realizing transparent convenience, random extraction is realized by combining the cryptology characteristic of the block chain, and meanwhile, the application scene is fixed on the ground by virtue of the notarization public characteristic of the block chain, and the reliability of the ground is ensured by virtue of dual standards due to the real-name authentication service of a third-party platform. For similar scenes, some notarization number shaking methods exist in the existing market, but the limitations and unreliability of too concentrated number shaking results, unverifiable number shaking processes, extra labor cost and credit cost and the like exist, so that the so-called notarization number shaking is not notarized. Therefore, a notarization shaking method based on block chains is produced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a block chain-based notarization number shaking method, which combines the cryptographic knowledge of the number shaking and the block chain and doubly guarantees the fairness and reliability of the scene of the number shaking by using the block chain and a data notarization system.
The purpose of the invention is realized by the following technical scheme: a notarization number shaking method based on a block chain specifically comprises the following steps:
s1: the number shaking initiator performs real-name authentication in a number shaking system and selects a number shaking rule;
s2: the shaking system verifies whether the shaking initiator qualifies as a shaking: if the number shaking initiator has the number shaking qualification, uploading the number shaking information, the number shaking rule and the real name information of the initiator to a notarization system, and if the number shaking initiator does not have the number shaking qualification, rejecting the number shaking application of the initiator;
s3: the notarization system audits the number shaking information and the number shaking rules uploaded by the number shaking initiator: and if the number shaking information and the number shaking rule are not approved, directly closing the number shaking, recording the reason of not approved on the block chain, and simultaneously feeding back the reason to the number shaking initiator. And if the number shaking information and the number shaking rules uploaded by the number shaking initiator are approved, the number shaking information and the number shaking rules are uploaded to the block chain for permanent storage, and corresponding block chain transaction addresses are generated and displayed on the notarization system.
S4: number shaking initiator carries out number shaking: in the number shaking process, the hash of the current block height and the highest block and the timestamp of the current system are used as index values of a seed generator of a random algorithm TWO _ CMRES _ SELECT to generate a random number set to generate a number shaking result, and the number shaking result cannot be modified;
s5: after the number shaking is finished, the number shaking result information is uploaded to a notarization system for a data notarization party to examine and verify, and the examination result is recorded on a block chain, wherein if the examination and verification are passed, the number shaking information, the number shaking result and the like are uploaded to the block chain, meanwhile, a corresponding transaction address is returned and displayed on the notarization system, and the notarization system provides a digital notarization certificate for the number shaking result; and if the auditing result is not passed, providing no notarization operation and certification.
Further, the method for the shaking number system to verify whether the shaking number initiator is qualified to shake number is as follows: and judging whether the identity information filled by the number shaking initiator is subjected to real-name authentication in the system, if so, continuously judging whether the number shaking initiator is in a blacklist provided by the data number shaking system, and if not, indicating that the number shaking initiator is qualified. And if the identification number is in a blacklist provided by the identification number shaking system, requiring the identification number shaking initiator to return to the identification number shaking system for real-name authentication, and recording the process on the block chain.
Further, real name authentication requires providing the real name and identification card or passport number information of the originating person who shakes the number.
Further, the step S3 includes that the notary system verifies the real-name information of the serial number initiator, and if the notary system already has the real-name information of the serial number initiator, the real-name fails; and the number shaking information uploaded at the same time comprises the theme of the number shaking, the type and the number of resources to be allocated to the number shaking and the participant information of the number shaking.
Further, the index value in step S4 is obtained by the following method:
(1) obtaining index value data 1: performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the current block height, performing calculation processing on the obtained result by using an MD5 algorithm, and performing molar remainder calculation to obtain an index value data 1;
(2) obtaining index value data 2: and performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the hash of the highest block, performing calculation processing on the obtained result by using an MD5 algorithm, performing molar remainder calculation to obtain an index value data2, comparing the obtained index value data2 with the data1, returning the index value data2 if the obtained result is not equal to the hash of the highest block, and reducing the index value data2 by 1 to jump to an MD5 algorithm calculation processing tangent point to start execution until the obtained result is not equal to the data1 and returning the index value data 2.
Further, in step S5, the number shaking result includes the middle-signed information and the supplementary information of the number shaking resource, and the number shaking information, the number shaking result, and the public certificate information may be queried in the corresponding blockchain browser according to the transaction hash.
Compared with the prior art, the invention has the following beneficial effects:
(1) the high reliability of the random algorithm; the random algorithm is a TWO _ CMRES _ SELECT algorithm, the TWO _ CMRES _ SELECT is based on a most random CMR variant in all reversible sub-cycle generators, is irreversible and is provided with TWO sub-cycle generators, and compared with the existing random number algorithm, the random number algorithm has stronger randomness and unpredictability and is more highly reliable.
(2) Reliability and non-repeatability of random seeds; the two seed index values are generated in the following manner: the method comprises the steps of firstly, carrying out summation calculation on a nanosecond timestamp of a current system and a current thread Id, carrying out exclusive OR calculation on an obtained result and the current block height, calculating and processing the obtained result by using an MD5 algorithm, and carrying out molar remainder calculation to obtain an index value data 1; and secondly, performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the hash of the highest block, performing calculation processing on the obtained result by using an MD5 algorithm, performing molar remainder calculation to obtain an index value data2, comparing the obtained index value data2 with the data1, returning the index value data2 if the obtained result is not equal to the hash of the highest block, and reducing the index value data2 by 1 to jump to an MD5 algorithm calculation processing tangent point to start execution until the obtained result is not equal to the data1 result and returning the index value data 2.
(3) Less human and credit costs; the method is completely executed on line, data and processes can be completely checked, extra labor cost investment is not needed, great worry and labor are saved, and the effects of reassurance, credibility and reliability are really achieved.
Drawings
FIG. 1 is a flow chart of a block chain based notary number shaking method of the present invention.
Detailed Description
The block chain-based notarization shaking method of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a flowchart of a block chain-based notarization number shaking method of the present invention, which specifically includes the following steps:
s1: the number shaking initiator performs real-name authentication in a number shaking system and selects a number shaking rule;
s2: the method for verifying whether the shaking number initiator has the qualification of shaking number by the shaking number system comprises the following steps: and judging whether the identity information filled by the number shaking initiator is subjected to real-name authentication in the system, wherein the real-name authentication needs to provide the real name and the identity card or passport number information of the number shaking initiator. And if the number shaking initiator is authenticated with the real name, continuously judging whether the number shaking initiator is in a blacklist provided by the data number shaking system, and if the number shaking initiator is not in the blacklist provided by the number shaking system, indicating that the number shaking initiator is qualified. And if the identification number is in a blacklist provided by the identification number shaking system, requiring the identification number shaking initiator to return to the identification number shaking system for real-name authentication, and recording the process on the block chain.
If the number shaking initiator has the number shaking qualification, random number shaking information, number shaking rules and real name information of the initiator are uploaded to a notarization system, and if the number shaking initiator does not have the number shaking qualification, the number shaking application of the initiator is refused.
S3: the notarization system audits the number shaking information and the number shaking rules uploaded by the number shaking initiator: and if the number shaking information and the number shaking rule are not approved, directly closing the number shaking, recording the reason of not approved on the block chain, and simultaneously feeding back the reason to the number shaking initiator. And if the number shaking information and the number shaking rules uploaded by the number shaking initiator are approved, the number shaking information and the number shaking rules are uploaded to the block chain for permanent storage, and corresponding block chain transaction addresses are generated and displayed on the notarization system.
The notarization system also comprises the verification of the real-name information of the number shaking initiator, if the real-name information of the number shaking initiator exists in the notarization system, the real-name fails; and the number shaking information uploaded at the same time comprises the theme of the number shaking, the type and the number of resources to be allocated to the number shaking and the participant information of the number shaking.
S4: number shaking initiator carries out number shaking: the number shaking process uses the hash of the current block height and the highest block and the timestamp of the current system as the index value of the seed generator of the random algorithm TWO _ CMRES _ SELECT, and the number shaking result generated by generating the random number set is not modifiable. The TWO _ CMRES is based on the most random CMR variant of all reversible sub-cycle generators and is irreversible and provided with TWO sub-cycle generators, compared with the algorithm adopted by the existing random numbers, the TWO-way CMRES has stronger randomness and unpredictability, and a new method is provided for random number taking.
The index value is obtained by the following method:
(1) obtaining index value data 1: performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the current block height, performing calculation processing on the obtained result by using an MD5 algorithm, and performing molar remainder calculation to obtain an index value data 1;
(2) obtaining index value data 2: and performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the hash of the highest block, performing calculation processing on the obtained result by using an MD5 algorithm, performing molar remainder calculation to obtain an index value data2, comparing the obtained index value data2 with the data1, returning the index value data2 if the obtained result is not equal to the hash of the highest block, and reducing the index value data2 by 1 to jump to an MD5 algorithm calculation processing tangent point to start execution until the obtained result is not equal to the data1 and returning the index value data 2.
And finally, taking the current timestamp generated by the system as a random seed, and generating a random number by the TWO _ CMRES algorithm with data1 and data 2. Data1, data2 is generated using the block height of the latest block and the randomness and unpredictability of the block hash to obtain a completely random irreversible random number.
S5: after the number shaking is finished, the number shaking result information is uploaded to a notarization system for a data notarization party to examine and verify, and the examination result is recorded on a block chain, wherein if the examination and verification are passed, the number shaking information, the number shaking result and the like are uploaded to the block chain, meanwhile, a corresponding transaction address is returned and displayed on the notarization system, and the notarization system provides a digital notarization certificate for the number shaking result; and if the auditing result is not passed, providing no notarization operation and certification. The shaking information comprises the middle signer information and the supplementary delivery information of the shaking resources, and the information of the shaking, the shaking result and the public certificate information can be inquired in the corresponding block chain browser according to the transaction hash. Real name authentication requires providing information such as the actual name and identification card or passport number of the originating person who shakes the number.
Examples
Taking the example that a vehicle management wants to issue a license plate number shaking, a number shaking initiator needs to issue number shaking activity information in a notarization number shaking system 2, before the activity information is issued, the number shaking system 21 needs to verify the number shaking qualification of the vehicle management, when the number shaking system 21 receives identity information filled by a number shaking initiator, whether the initiator is authenticated in the number shaking system by real name is checked, if the initiator is authenticated by real name, whether the number shaking initiator is in a blacklist stored in the number shaking system 21 is judged, if the initiator is authenticated by real name, the initiator is directly cancelled to the number shaking qualification, and number shaking application is refused. And if the current state is not in the blacklist, the subsequent flow is normally carried out. If the initiator is checked not to be authenticated by the real name, returning a message to the initiator to perform real name authentication in the number shaking system. After the verification is successful, the notarization system 22 receives the number shaking activity information provided by the vehicle management system and verifies the secondary number shaking activity information, the verification content can include the rule of number shaking, the theme of the number shaking, whether the information of the number shaking initiator is consistent with the previous information or not, and the like, after the verification is passed, the feedback information is sent to the number shaking system 21, the vehicle management system starts to shake the number after receiving the feedback information passing the verification, wherein the random method used in the number shaking process is generated by calculation of a TWO _ CMRES algorithm, the random number is generated by the algorithm, the related information of the corresponding participant is obtained, the generated middle signature information is sent to the notarization system 22, the notarization system 22 confirms the middle signature information, after no error is confirmed, a digital notarization certificate is issued, the middle signature information is recorded on a block chain, wherein the middle signature information comprises the number shaking result and the number shaking information issued by the vehicle management system, if the number shaking result is incorrect, if the signed number is not satisfactory, if one of the signed participants is not qualified for a shake, etc., then notarization system 22 will not issue a digital notarization certificate, but the shake results and shake information are still recorded on the blockchain. The shaking result comprises the middle signer information and the supplementary delivery information of the shaking resource, and the information of the shaking, the shaking result and the public certificate information can be inquired in the corresponding blockchain browser according to the transaction hash.

Claims (5)

1. A notarization number shaking method based on a block chain is characterized by comprising the following steps:
s1: the number shaking initiator performs real-name authentication in a number shaking system and selects a number shaking rule;
s2: the shaking system verifies whether the shaking initiator qualifies as a shaking: if the number shaking initiator has the number shaking qualification, uploading the number shaking information, the number shaking rule and the real name information of the initiator to a notarization system, and if the number shaking initiator does not have the number shaking qualification, rejecting the number shaking application of the initiator;
s3: the notarization system audits the number shaking information and the number shaking rules uploaded by the number shaking initiator: if the number shaking information and the number shaking rule are not approved, the number shaking is directly closed, and the reason why the number shaking information and the number shaking rule are not approved is recorded on the block chain and simultaneously fed back to the number shaking initiator; if the shaking information and the shaking rules uploaded by the shaking initiator are approved, the shaking information and the shaking rules are uploaded to the block chain for permanent storage, and corresponding block chain transaction addresses are generated and displayed on the notarization system;
s4: number shaking initiator carries out number shaking: in the number shaking process, the hash of the current block height and the highest block and the timestamp of the current system are used as index values of a seed generator of a random algorithm TWO _ CMRES _ SELECT to generate a random number set to generate a number shaking result, and the number shaking result cannot be modified;
the index value is obtained by the following method:
(1) obtaining index value data 1: performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the current block height, performing calculation processing on the obtained result by using an MD5 algorithm, and performing molar remainder calculation to obtain an index value data 1;
(2) obtaining index value data 2: performing summation calculation on the nanosecond timestamp of the current system and the current thread Id, performing exclusive OR calculation on the obtained result and the hash of the highest block, performing calculation processing on the obtained result by using an MD5 algorithm, performing molar remainder calculation to obtain an index value data2, comparing the obtained index value data2 with the data1, returning the index value data2 if the obtained result is not equal to the hash of the highest block, and reducing the index value data2 by 1 to jump to an MD5 algorithm calculation processing tangent point to start execution until the obtained result is not equal to the data1 result and returning the index value data 2;
s5: after the number shaking is finished, the number shaking result information is uploaded to a notarization system for a data notarization party to examine and verify, and the examination result is recorded on a block chain, wherein if the examination and verification are passed, the number shaking information and the number shaking result are uploaded to the block chain, meanwhile, a corresponding transaction address is returned and displayed on the notarization system, and the notarization system provides a digital notarization certificate for the number shaking result; and if the auditing result is not passed, providing no notarization operation and certification.
2. The notary number shaking method of claim 1, wherein the method for the number shaking system to verify whether the number shaking initiator qualifies as a number shaking is: judging whether the identity information filled by the number shaking initiator is subjected to real-name authentication in the system, if so, continuously judging whether the number shaking initiator is in a blacklist provided by a data number shaking system, and if not, indicating that the number shaking initiator is qualified; and if the identification number is in a blacklist provided by the identification number shaking system, requiring the identification number shaking initiator to return to the identification number shaking system for real-name authentication, and recording the process on the block chain.
3. The notary numbering process of claim 2 wherein real-name authentication entails providing the actual name and identification card or passport number information of the number-shaking initiator.
4. The notary number shaking method of claim 1, wherein step S3 further comprises the notary system verifying the real-name information of the number shaking initiator, if the notary system already has the real-name information of the number shaking initiator, the real-name fails; and the number shaking information uploaded at the same time comprises the theme of the number shaking, the type and the number of resources to be allocated to the number shaking and the participant information of the number shaking.
5. The notarization number shaking method according to claim 1, wherein the number shaking result in step S5 includes the middle signer information and the supplementary delivery information of the number shaking resource, and the number shaking information, the number shaking result and the notarization information are queried in the corresponding blockchain browser according to the transaction hash.
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