CN107222312B - Asset digitalization method based on block chain technology - Google Patents
Asset digitalization method based on block chain technology Download PDFInfo
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- CN107222312B CN107222312B CN201710471545.4A CN201710471545A CN107222312B CN 107222312 B CN107222312 B CN 107222312B CN 201710471545 A CN201710471545 A CN 201710471545A CN 107222312 B CN107222312 B CN 107222312B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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Abstract
The invention discloses an asset digitalization method based on a block chain technology.A user of asset digitalization registers a block chain wallet account on a block chain gateway system or the block chain system by himself to obtain a wallet account of a public key and a private key pair; the asset representation standard preparation can be based on the existing standards such as asset industry standards or asset industry standards; asset abstract coding is carried out on the asset representation content through an asset coding abstract algorithm, so that asset related asset coding technology is realized; broadcasting the digital transaction record through a private key, submitting the digital transaction record to a blockchain system supporting digital assets through an asset gateway, and waiting for confirmation of the blockchain; and the block chain system supporting the digital assets receives the asset digitalization request of the asset gateway, and performs asset digitalization behavior record and asset holding record at each node of the whole network to realize the digitalization of the assets in the block chain.
Description
Technical Field
The invention relates to the technical field of asset digitization, in particular to an asset digitization method based on a block chain technology.
Background
The existing asset digitization technology mainly comprises the following methods:
1) a centralized organization asset digitization scheme, asset registration by unification, and asset digitization schemes recorded by a center;
2) the asset digitalization scheme of the distributed environment based on the universal unique identification code forms the asset digitalization scheme of the distributed environment through elements such as network addresses, machine time, machine characteristics and the like.
The main defects of the existing asset digitization technology are as follows:
1) high cost of centrally registered assets
The existing assets uniformly registered by various mechanisms and organizations need a center with complete functions to register the assets, the reliable operation of the center needs to be ensured, the asset registration cost is high, and the maintenance cost is increased progressively according to the quantity of the assets;
2) central registration is only applicable to single systems
The center registered assets are only suitable for asset circulation in a single system, are not suitable for multiple systems and system cooperation among the multiple systems, and the cooperation of the multiple centers needs a new asset center;
3) universal unique identification code divorced asset content
The universal unique identification code is a unique identification code generated by factors such as network, machine, time and the like, has no semantic relation with the asset, and is separated from the asset content.
Disclosure of Invention
The technical problem to be solved by the present invention is to solve the above-mentioned deficiencies of the prior art, and to provide an asset digitization method based on the blockchain technology.
In order to solve the technical problems, the invention adopts the technical scheme that:
the asset digitalizing method based on the block chain technology comprises the following steps:
1) creating an asset gateway, and generating random information by a digital asset user by using an asset gateway random system to form a private key;
2) deriving a public key from the private key by an asymmetric encryption algorithm;
3) calculating the hash value of the public key by using a hash function, and taking part of bytes of the hash value of the public key as a check value;
4) adding a prefix before a check value of the public key hash value to form an intermediate address;
5) carrying out code conversion on the intermediate address to form a wallet address as an account of the wallet;
6) coding the normalized asset content, and performing normalization processing on the asset content coding through an asset gateway;
7) setting prefixes for the normalized asset codes to distinguish different digital assets, and simultaneously splicing to form an intermediate asset code;
8) taking partial bytes of the intermediate asset code as a check value;
9) using a BASE58 encoding alphabet, and performing BASE58 conversion according to the prefix of the intermediate asset encoding and the check value of the intermediate asset encoding to generate a final version of the digital asset encoding;
10) making an asset digitization request in an asset gateway by using a wallet account, wherein the digitization content comprises an asset code, an asset issuer and an asset quantity, and submitting the request to a blockchain system;
11) the block chain system carries out parameter verification on the digital request, and the verification content comprises the validity of the asset digital coding;
12) and all nodes of the block chain system carry out asset digital recording in the ledger of each node through a consensus mechanism, and simultaneously return the result of the asset digital request to the asset gateway.
Further, distinguishing before the asset content is coded; the old assets are coded according to the original asset coding standard and the corresponding asset coding content; the new asset encodes the asset newly according to the existing asset encoding standard.
Further, when the asset digitization request is carried out in the asset gateway, the asset gateway signs the digitization request by using a private key, collects a signature value, request content and a public key, and forms a transaction serial number comprising the asset digitization request and the requested transaction content.
Further, the blockchain system also verifies the validity of the request signature during parameter verification.
Further, the asset digitization user and a third party perform asset digitization condition query through an asset gateway through an asset digitization transaction serial number; and the block chain system inquires the corresponding asset digitization situation and returns the digitization result to the inquiry user of the asset gateway.
Further, when the asset content is encoded, the asset content is encoded by using the digest function SHA 256. The technical scheme shows that the invention has the following advantages: the digital assets are generated by an algorithm, and any digital asset user can generate own digital assets and is not repeated; the digital asset code is generated without a third-party server or a third-party library, and a digital asset user can generate the code according to the coding rule: the digital asset code is generated by digital asset content instead of a self-increment code of a third-party system and the like, and the digital asset code is coded, can be identified and can be self-interpreted; the generation of the digital asset code depends on the digital content, and different digital asset codes can be generated as long as the digital asset contents are different, without processing the digital asset standard; the digital asset code storage can be stored in one asset gateway or a plurality of asset gateways, and the digital asset codes stored among the plurality of asset gateways do not conflict.
Detailed Description
The digital asset coding method of the invention, the whole system includes the following components: the system comprises a blockchain system supporting digital assets, an asset representation standard, an asset coding abstract algorithm and a blockchain gateway system.
The method mainly comprises the following steps: the asset gateway creates a wallet, prepares an asset characterization standard, converts an asset coding digest, submits an asset digitization request, confirms the asset digitization request, and queries for the asset digitization.
1. Asset gateway creation wallet
1) Creating an asset gateway, and generating random information by a digital asset user by using an asset gateway random system to form a private key;
2) deriving a public key from the private key by an asymmetric encryption algorithm;
3) calculating the hash value of the public key by using a hash function, and taking part of bytes of the hash value of the public key as a check value;
4) adding a prefix before a check value of the public key hash value to form an intermediate address;
5) carrying out code conversion on the intermediate address to form a wallet address;
2. asset characterization standard preparation
The preparation of the asset characterization standard can be performed based on the existing standards such as the asset industry standard or the asset industry standard, for example, the book is the ISBN standard, and the characterization can be performed according to national or international industry standards.
The old asset codes the assets according to the original asset coding standard and the corresponding asset coding content, and the new asset codes the assets according to the existing asset coding standard; registering asset code representation through an asset gateway; and carrying out asset coding normalization through the hash coding of the asset gateway, wherein the old and new states only indicate whether the coding standard is used, the coding standard of the old state is still used, the old state is considered as the coding standard, and the new state uses the coding standard.
3. Asset coding digest conversion
The asset coding abstract algorithm is used for carrying out asset abstract coding on the asset representation content, so that the asset coding technology related to assets is realized, and meanwhile, the coding result does not need to be stored in any system and does not need to be registered and stored by a center.
Generating a digital asset content digest for the normalized digital asset using a hash digest algorithm SHA 256; setting prefixes for the digital asset content abstracts, and distinguishing different digital assets, and simultaneously splicing to form intermediate asset codes; calculating an intermediate coding abstract (the algorithm can be SHA256), and taking the first four bytes as check values; and generating a final version of the digital asset code according to the prefix of the intermediate asset code, the check value of the intermediate asset code and the hash content of the digital asset code by using the BASE58 encoding alphabet.
4. Asset digitization request submission
The method includes the steps of digitizing assets in an asset gateway using the created wallet, broadcasting the digitized transaction records through a private key and submitting the digitized transaction records through the asset gateway into a blockchain system supporting the digital assets, waiting for confirmation of the blockchain, digitizing the content including asset code, asset issuer, asset quantity, and submitting a request into the blockchain system.
When an asset digitization request is made in the asset gateway, a private key is used for signing the digitization request, and the asset gateway collects a signature value, request content and a public key to form transaction serial numbers including the asset digitization request and the requested transaction content.
5. Asset digitized request validation
And the block chain system supporting the digital assets receives the asset digitalization request of the asset gateway, and performs asset digitalization behavior record and asset holding record at each node of the whole network to realize the digitalization of the assets in the block chain.
And the blockchain system carries out parameter verification on the digital request, the verification content comprises the validity of a request signature and the validity of an asset digital code, all nodes of the blockchain system carry out asset digital recording in an account book of each node through a consensus mechanism, and simultaneously, the result of the asset digital request is returned to an asset gateway.
6. Asset digitized query
The asset digitization user and the third party inquire the asset digitization condition through the asset gateway through the asset digitization transaction serial number; and the block chain system inquires the corresponding asset digitization situation and returns the digitization result to the inquiry user of the asset gateway.
In summary, the present invention has the following advantages
1. Solving asset coding dependency problem
The block chain realizes the de-center of the asset code on the digital asset code through the cryptographic technology, and the asset code only depends on the asset and does not depend on the content outside the asset.
2. Solving the problem that asset centric registration relies on a single center
The block chain discloses and synchronizes the digitization of the assets in the whole network through a decentralization technology and the whole network consensus, so that the assets are completely decentralized, and the asset does not depend on a single center for maintenance.
3. Solving the problem of asset-centric registration denial-of-service attacks
The block chain realizes the distribution of the whole network, each node is the node for registering the assets, each node stores the asset digital record, holds the asset digital content, and solves the problem of denial of service attack of the traditional centralized registration.
4. Solving problem of independent asset coding and asset itself
The traditional asset coding technology based on the universal identification code cannot correlate the asset with the asset coding, the coding of the asset is semantically free, and the asset coding description needs to be carried out by a third-party system in an asset system.
5. Solve the problem of dual consumption of assets
The traditional asset registering or storing technology cannot solve the problem of dual consumption of assets. The asset digitization scheme based on the block chain guarantees the non-double consumption of the assets through the consensus mechanism of the block chain, and the problem of disordered accounts after the assets are digitized is solved.
6. Solving the problem of digital non-transparency of assets
In the centralized registration scheme, the result query of the common user on the asset digitization is limited by a centralized mechanism, the asset digitization cannot be queried, and the asset digitization behavior cannot be supervised. Through the asset digitization of the block chain, the checking of the whole network asset number is realized based on the characteristics of the block chain that the block chain is open and transparent, and the problem that the asset digitization is not transparent is solved.
7. Solve the problem of digital account checking of assets
In the traditional processes of asset registration and digitization, the digitization of assets is divided into two links of digitized transaction and digitized clearing, account comparison needs to be carried out on the two links based on the cutting of the two links, and the two links are combined together by a system based on a block chain, so that the unification of digitization and clearing is realized, and the problem of account checking is avoided.
Claims (6)
1. A method for digitalizing assets based on a block chain technology comprises the following steps:
1) creating an asset gateway, and generating random information by a digital asset user by using an asset gateway random system to form a private key;
2) deriving a public key from the private key by an asymmetric encryption algorithm;
3) calculating the hash value of the public key by using a hash function, and taking part of bytes of the hash value of the public key as a check value;
4) adding a prefix before a check value of the public key hash value to form an intermediate address;
5) carrying out code conversion on the intermediate address to form a wallet address as an account of the wallet;
6) coding the normalized asset content, and performing normalization processing on the asset content coding through an asset gateway;
7) setting prefixes for the normalized asset codes to distinguish different digital assets, and simultaneously splicing to form an intermediate asset code;
8) taking partial bytes of the intermediate asset code as a check value;
9) using a BASE58 encoding alphabet, and performing BASE58 conversion according to the prefix of the intermediate asset encoding and the check value of the intermediate asset encoding to generate a final version of the digital asset encoding;
10) making an asset digitization request in an asset gateway by using a wallet account, wherein the digitization content comprises an asset code, an asset issuer and an asset quantity, and submitting the request to a blockchain system;
11) the block chain system carries out parameter verification on the digital request, and the verification content comprises the validity of the asset digital coding;
12) and all nodes of the block chain system carry out asset digital recording in the ledger of each node through a consensus mechanism, and simultaneously return the result of the asset digital request to the asset gateway.
2. The method of claim 1, wherein the method further comprises: differentiating before encoding the asset content; the old assets are coded according to the original asset coding standard and the corresponding asset coding content; the new asset encodes the asset newly according to the existing asset encoding standard.
3. The method of claim 2, wherein the step of digitizing the assets comprises: when an asset digitization request is made in the asset gateway, a private key is used for signing the digitization request, and the asset gateway collects a signature value, request content and a public key to form transaction serial numbers including the asset digitization request and the requested transaction content.
4. The method of claim 3, wherein: the blockchain system also verifies the validity of the request signature at the time of parameter verification.
5. The method of claim 4, wherein the method further comprises: the asset digitization user and the third party inquire the asset digitization condition through the asset gateway through the asset digitization transaction serial number; and the block chain system inquires the corresponding asset digitization situation and returns the digitization result to the inquiry user of the asset gateway.
6. The method of claim 1, wherein the method further comprises: in encoding the asset content, the digest function SHA256 is used for encoding.
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