CN110706100A - Block chain authentication method capable of guaranteeing privacy and simultaneously realizing openness and transparency - Google Patents
Block chain authentication method capable of guaranteeing privacy and simultaneously realizing openness and transparency Download PDFInfo
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- CN110706100A CN110706100A CN201910774752.6A CN201910774752A CN110706100A CN 110706100 A CN110706100 A CN 110706100A CN 201910774752 A CN201910774752 A CN 201910774752A CN 110706100 A CN110706100 A CN 110706100A
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Abstract
The invention relates to a block chain authentication method capable of guaranteeing privacy and being public and transparent. The method comprises the following steps: step 1, generating a corresponding transaction document for each transaction; step 2, the transaction system server generates a hash code for each transaction document, and uploads the hash code, the name of the transaction server and the transaction time to a root hash authentication system to form an effective hash code; step 3, when the transaction document is authenticated, the transaction document to be authenticated is converted into a hash code to be authenticated by using a hash algorithm APP, and the hash code is uploaded to a root hash authentication system; step 4, in the root hash authentication system, carrying out validity authentication on the hash code to be authenticated; and 5, the root hash authentication system returns the authentication result to the hash algorithm APP. The root hash authentication system does not store the transaction document, and only stores the effective hash code. The hash code can not reversely calculate the transaction document, and any party except the transaction parties can not obtain the transaction document, so that the privacy of the transaction parties is ensured.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a transparent block chain authentication method capable of guaranteeing privacy.
Background
Transaction information made via the internet needs to be recorded in a database for future querying and authentication. However, the content of such transaction information should not be open to the public or to unrelated third parties. Therefore, in the current internet era, it is urgently required to be able to verify and guarantee transaction privacy.
The block chain technology (Blockchain) uses technologies such as distributed data storage and a consensus mechanism, provides ideas and schemes for establishing trust relationships in a decentralized mode, and attracts wide attention of numerous industries. The block chain is a centralization shared general ledger which combines data blocks into a specific data structure in a chain mode according to a time sequence and is ensured in a cryptographic mode to be not falsifiable and not forged, and data which is simple in safe storage, has a precedence relationship and can be verified in a system can be safely stored.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a block chain authentication method which ensures privacy and is public and transparent by using a block chain technology. The invention respectively processes the transaction function and the authentication function, each transaction document generates a corresponding hash code, the transaction document of the user is kept at the user end, and only the hash code is uploaded to the root hash authentication system for future verification and query; since the hash code cannot be inverted, the information can be privacy protected.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a block chain authentication method for guaranteeing privacy and simultaneously realizing public transparency comprises the following steps:
step 1, when a transaction is generated, the information of the transaction forms a corresponding transaction document, and a transaction user and a transaction system server participating in the transaction respectively store the transaction document;
step 2, the transaction system server generates a unique hash code according to each transaction document and uploads the hash code to a root hash authentication system; meanwhile, uploading the name of the transaction server and the transaction time in the transaction document corresponding to the hash code to a root hash authentication system to form an effective hash code;
step 3, when the transaction document needs to be authenticated, converting the transaction document to be authenticated into a hash code to be authenticated by using a hash algorithm APP at the user side, and uploading the hash code to be authenticated to a root hash authentication system for authentication;
step 4, in the root hash authentication system, carrying out validity authentication on the uploaded hash code to be authenticated: matching the hash code to be authenticated with the valid hash code, if the matched valid hash code is not found, judging that the root hash authentication system is invalid, and returning to be invalid; if the matched effective hash code is found, the transaction system is judged to be effective, and corresponding transaction time and the name of the transaction system server are returned;
and 5, the root hash authentication system returns the authentication result to the hash algorithm APP of the user side, and the validity of the transaction document can be determined through the hash algorithm APP.
On the basis of the above technical solution, in step 1, the transaction system server is a transaction system server based on a block chain.
On the basis of the above technical solution, in step 1, the transaction information includes a transaction server name, transaction time, balance and other related transaction information.
On the basis of the above technical scheme, in step 1, a transaction document database is arranged in the transaction system server and is responsible for storing and maintaining transaction detailed information in the transaction document.
On the basis of the technical scheme, the transaction document database comprises a plurality of independent transaction document sub-databases used for storing transaction documents of different transaction types.
On the basis of the above technical solution, in step 2, the hash code is generated by a hash algorithm operation.
On the basis of the above technical solution, the HASH algorithm is specifically a HASH256 algorithm or a HASH512 algorithm.
On the basis of the technical scheme, the hash algorithm APP is an open-source hash code algorithm APP.
On the basis of the technical scheme, the root hash authentication system comprises a hash code storage database and a hash code authentication part;
the hash code storage database is used for storing the effective hash codes;
the hash code authentication part is used for calling the effective hash code in the hash code storage database when the validity authentication of the hash code to be authenticated is required, and performing matching authentication on the hash code to be authenticated and the called effective hash code.
On the basis of the technical scheme, the hash code storage database comprises a plurality of independent hash code sub-databases with synchronous contents.
The block chain authentication method capable of guaranteeing privacy and simultaneously being public and transparent has the following beneficial effects:
1. the hash code is public, and the transaction document is generated into the hash code through calculation by an existing hash algorithm.
2. The root hash authentication system does not store transaction documents, only has hash codes uploaded by a transaction system server, transaction server names and transaction time, and is completely public and transparent.
3. Only the two parties using the transaction document can obtain the original text of the transaction document. The transaction document of the user is kept at the user side and is completely kept secret, and the hash code is uploaded to the root hash system at the user side through the hash algorithm APP for authentication.
4. The hash code can not reversely calculate the original transaction document, so that except for two transaction parties, any person including a root hash authentication system can not know the specific content of the transaction document, thereby ensuring the privacy of transaction related parties.
Drawings
The invention has the following drawings:
FIG. 1 is a block flow diagram of a method of the present invention;
fig. 2 is a schematic structural diagram of a root hash authentication system according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the block chain authentication method for guaranteeing privacy and simultaneously disclosing transparency according to the present invention includes the following steps:
step 1, when a transaction is generated, the information of the transaction forms a corresponding transaction document, and a transaction user and a transaction system server participating in the transaction respectively store the transaction document;
step 2, the transaction system server generates a unique hash code according to each transaction document and uploads the hash code to a root hash authentication system; meanwhile, uploading the name of the transaction server and the transaction time in the transaction document corresponding to the hash code to a root hash authentication system to form an effective hash code;
step 3, when the transaction document needs to be authenticated, converting the transaction document to be authenticated into a hash code to be authenticated by using a hash algorithm APP at the user side, and uploading the hash code to be authenticated to a root hash authentication system for authentication;
step 4, in the root hash authentication system, carrying out validity authentication on the uploaded hash code to be authenticated: matching the hash code to be authenticated with the valid hash code, if the matched valid hash code is not found, judging that the root hash authentication system is invalid, and returning to be invalid; if the matched effective hash code is found, the transaction system is judged to be effective, and corresponding transaction time and the name of the transaction system server are returned;
and 5, the root hash authentication system returns the authentication result to the hash algorithm APP of the user side, and the validity of the transaction document can be determined through the hash algorithm APP.
On the basis of the above technical solution, in step 1, the transaction system server is a transaction system server based on a block chain.
On the basis of the above technical solution, in step 1, the transaction information includes a transaction server name, transaction time, balance and other related transaction information.
On the basis of the above technical scheme, in step 1, a transaction document database is arranged in the transaction system server and is responsible for storing and maintaining transaction detailed information in the transaction document.
On the basis of the technical scheme, the transaction document database comprises a plurality of independent transaction document sub-databases used for storing transaction documents of different transaction types.
On the basis of the above technical solution, in step 2, the hash code is generated by a hash algorithm operation.
On the basis of the above technical solution, the HASH algorithm is specifically a HASH256 algorithm or a HASH512 algorithm.
On the basis of the technical scheme, the hash algorithm APP is an open-source hash code algorithm APP.
On the basis of the technical scheme, the root hash authentication system comprises a hash code storage database and a hash code authentication part;
the hash code storage database is used for storing the effective hash codes;
the hash code authentication part is used for calling the effective hash code in the hash code storage database when the validity authentication of the hash code to be authenticated is required, and performing matching authentication on the hash code to be authenticated and the called effective hash code.
On the basis of the technical scheme, the hash code storage database comprises a plurality of independent hash code sub-databases with synchronous contents.
In the actual authentication process, the transaction related party can download the existing open-source hash algorithm APP to the user side.
The root hash authentication system does not store transaction documents, only has hash codes uploaded by a transaction system server, transaction server names and transaction time, and is completely public and transparent.
In the whole authentication process, only the transaction related party can obtain the transaction document. The transaction document of the user is kept at the user side and is completely kept secret, and the hash code is uploaded to the root hash system at the user side through the hash algorithm APP for authentication. The hash code can not reversely calculate the original transaction document, so that except for two transaction parties, any person including a root hash authentication system can not know the specific content of the transaction document, thereby ensuring the privacy of transaction related parties.
Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A block chain authentication method for guaranteeing privacy and simultaneously realizing public transparency is characterized by comprising the following steps:
step 1, when a transaction is generated, the information of the transaction forms a corresponding transaction document, and a transaction user and a transaction system server participating in the transaction respectively store the transaction document;
step 2, the transaction system server generates a unique hash code according to each transaction document and uploads the hash code to a root hash authentication system; meanwhile, uploading the name of the transaction server and the transaction time in the transaction document corresponding to the hash code to a root hash authentication system to form an effective hash code;
step 3, when the transaction document needs to be authenticated, converting the transaction document to be authenticated into a hash code to be authenticated by using a hash algorithm APP at the user side, and uploading the hash code to be authenticated to a root hash authentication system for authentication;
step 4, in the root hash authentication system, carrying out validity authentication on the uploaded hash code to be authenticated: matching the hash code to be authenticated with the valid hash code, if the matched valid hash code is not found, judging that the root hash authentication system is invalid, and returning to be invalid; if the matched effective hash code is found, the transaction system is judged to be effective, and corresponding transaction time and the name of the transaction system server are returned;
and 5, the root hash authentication system returns the authentication result to the hash algorithm APP of the user side, and the validity of the transaction document can be determined through the hash algorithm APP.
2. The method according to claim 1, wherein in step 1, the transaction system server is a blockchain-based transaction system server.
3. The method for guaranteeing privacy while disclosing transparent blockchain authentication as claimed in claim 1, wherein in step 1, the information of the transaction includes a transaction server name and a transaction time.
4. The block chain authentication method for ensuring privacy and simultaneously disclosing transparency as claimed in claim 1, wherein in step 1, a transaction document database is provided in the transaction system server and is responsible for storing and maintaining transaction detail information in the transaction document.
5. The method of claim 4, wherein the transaction document database comprises a plurality of independent transaction document sub-databases for storing transaction documents of different transaction types.
6. The privacy-preserving, public-transparent blockchain authentication method as claimed in claim 1, wherein in step 2, the hash code is generated by a hash algorithm operation.
7. The privacy-preserving, public-transparent blockchain authentication method of claim 6, wherein the HASH algorithm is specifically a HASH256 algorithm or a HASH512 algorithm.
8. The privacy-preserving, public-transparent blockchain authentication method according to claim 1, wherein the hash algorithm APP is an open-source hash code algorithm APP.
9. The privacy-preserving, public-transparent blockchain authentication method of claim 1, wherein the root hash authentication system includes a hash code storage database and a hash code authentication portion;
the hash code storage database is used for storing the effective hash codes;
the hash code authentication part is used for calling the effective hash code in the hash code storage database when the validity authentication of the hash code to be authenticated is required, and performing matching authentication on the hash code to be authenticated and the called effective hash code.
10. The method of claim 9, wherein the hash code storage database comprises a plurality of separate hash code sub-databases with synchronized content.
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Cited By (1)
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| CN112181700A (en) * | 2020-09-22 | 2021-01-05 | 中国建设银行股份有限公司 | Fault transaction isolation method and device |
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