CN110555297B - Method and system for managing certificates through block chain - Google Patents
Method and system for managing certificates through block chain Download PDFInfo
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- CN110555297B CN110555297B CN201810558437.5A CN201810558437A CN110555297B CN 110555297 B CN110555297 B CN 110555297B CN 201810558437 A CN201810558437 A CN 201810558437A CN 110555297 B CN110555297 B CN 110555297B
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/33—User authentication using certificates
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
- G06F21/46—Structures or tools for the administration of authentication by designing passwords or checking the strength of passwords
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
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Abstract
The invention discloses a method for managing certificates through a block chain, which comprises issuing certification, issuing certificates and reading certificates, wherein the issuing certification comprises establishment of institution accounts and certificate type addition, the issuing certificates comprise establishment of holder accounts, block chain processing and completion of newly-added certificate issuance, and the reading certificates comprise information verification and private key decryption The data is easy to leak.
Description
Technical Field
The invention belongs to the field of block chains, and particularly relates to a method and a system for managing certificates through a block chain.
Background
The certificate is one of essential articles for daily life, when the certificate is required to be used in more and more scenes, a good management method does not exist as a certificate carrier, and a traditional physical carrier is inconvenient to carry, easy to lose and easy to counterfeit; in order to solve the problems, a plurality of schemes for digitizing the entity card exist on the world, but due to the endless hacker events and malicious information leakage events, people worry about the digitized certificate data hosting organization; in order to further solve the problem, the certificate is digitized and stored on local equipment, so that the problem of easy carrying and counterfeiting is solved, but the certificate is still easy to lose; such problems generally exist in various document scenes, such as birth certificates, identity cards, student certificates, admission certificates, graduation certificates, marriage certificates, admission certificates, house property certificates, driving certificates, professional qualifications, professional examination certificates and the like; how to make these certificates portable, not easy to lose and not easy to counterfeit without trusteeship to a third party is an urgent problem to be solved.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for managing certificates through a blockchain, which uses a consensus mechanism in the blockchain technology to perform certificate issuance, archiving and access control on the chain, and comprises the following steps:
(1) the issuing authentication specifically comprises the following steps:
(1.1) creating an institution account: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through the account through a certificate issuing manager, the added information of the issuer is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether digital signature validity and institution credit codes are repeated through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after the transaction is completed, the steps are repeated to create more institution accounts;
(1.2) certificate type addition: adding certificate type information to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, then driving the transaction into a block through a block forging device, and repeating the steps to add more certificate types after the transaction is completed;
(2) issuing certificates, comprising the following steps:
(2.1) creating a holder account: creating a holder account on the block chain through an account manager, reserving a private key, filling in newly added certificate holder information through a certificate issuing manager, and encrypting the filling-in information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
(2.2) Block chain processing: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
(2.3) completing the issuance of the new certificate: repeating the above steps to issue more certificates;
(3) reading the certificate specifically comprises the following steps:
(3.1) information verification: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
(3.2) private key decryption: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
Further, the issuing agency information in step (1.1) includes an agency name, an agency credit code, and an agency digital signature.
Further, the certificate type information in the step (1.2) comprises a certificate name, a certificate type code and a certificate template code.
Further, the certificate holder information in the step (2.1) comprises a name, a certificate number and a certificate validity period.
The invention also provides a system for managing the certificates through the block chain, which comprises an issuing authentication module, a certificate issuing module and a certificate reading module, wherein the issuing authentication module is further divided into a creation institution account sub-module and a certificate type adding sub-module;
the work flow of the establishment account submodule is as follows: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through the account through a certificate issuing manager, the added information of the issuer is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether digital signature validity and institution credit codes are repeated through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after the transaction is completed, the steps are repeated to create more institution accounts;
the workflow of the certificate type adding submodule is as follows: adding certificate type information to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, then driving the transaction into a block through a block forging device, and repeating the steps to add more certificate types after the transaction is completed;
the certificate issuing module is further divided into a holder account creating sub-module, a block chain processing sub-module and a certificate issuing sub-module;
the work flow of creating the holder account submodule is as follows: creating a holder account on the block chain through an account manager, reserving a private key, filling in newly added certificate holder information through a certificate issuing manager, and encrypting the filling-in information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
the work flow of the block chain processing submodule is as follows: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
the work flow for completing the new certificate issuing submodule is as follows: repeating the above steps to issue more certificates;
the evidence reading module is further divided into an information verification sub-module and a private key decryption sub-module;
the work flow of the information verification submodule is as follows: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
the working process of the private key decryption submodule is as follows: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
Further, the issuer information in the workflow of the create institution account submodule includes an institution name, an institution credit code, and an institution digital signature.
Further, the certificate type information in the workflow of the certificate type adding sub-module includes a certificate name, a certificate type code, and a certificate template code.
Further, the certificate holder information in the workflow of the sub-module for creating the holder account comprises a name, a certificate number and a certificate validity period.
The method has the advantages that the effects of protecting the privacy of the certificate data and preventing the certificate data from being lost easily without the need of third-party trusteeship are realized, and the problems that the certificate is easy to lose and the data is easy to leak are solved.
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FIG. 1 is a schematic flow diagram of the process of the present invention;
fig. 2 is a schematic diagram of the system of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The embodiment provides a method for managing certificates through a block chain, which is characterized in that issuing, archiving and access control of the certificates are performed on the chain by utilizing a consensus mechanism of a block chain technology.
In this embodiment, the certificate issuing manager has two core modules, which are an institution management module and a certificate management module, respectively, wherein the institution management module is used for managing an institution issuing the certificate and verifying and archiving the digital signature of the institution issuing the certificate; the certificate management module is used for managing the types of certificates which can be issued by an organization and verifying the certificates. The embodiment is also used for managing the access authority of the certificate through the certificate access controller, wherein the certificate access controller comprises two core modules, a certificate data management module and an access authentication module. The certificate data manager is used for establishing an encryption relationship between the certificate data and private keys of an issuer and a holder, and preventing the data from being restored and leaked in a single direction; the access authentication module is used for using the access rights of the holder and the issuer so as to obtain the complete data of the certificate data.
As shown in fig. 1, the specific process of this embodiment is as follows:
(1) the issuing authentication specifically comprises the following steps:
(1.1) creating an institution account: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through a certificate issuing manager by using the account, the information comprises an institution name, an institution credit code and an institution digital signature, the added issuer information is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether the digital signature is repeated with the institution credit code through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after the transaction is completed, the steps are repeated to create more institution accounts;
(1.2) certificate type addition: adding certificate type information including certificate names, certificate type codes and certificate template codes to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, driving the transaction into blocks through a block forging device, and repeating the steps to add more certificate types after the transaction is completed;
(2) issuing certificates, comprising the following steps:
(2.1) creating a holder account: creating a holder account on the block chain through an account manager, reserving a private key, filling new certificate holder information including a name, a certificate number and a certificate validity period through a certificate issuing manager, and encrypting the filling information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
(2.2) Block chain processing: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
(2.3) completing the issuance of the new certificate: repeating the above steps to issue more certificates;
(3) reading the certificate specifically comprises the following steps:
(3.1) information verification: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
(3.2) private key decryption: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
As shown in fig. 2, the present embodiment provides a system for managing certificates through a blockchain, which includes an issuing certification module, a certificate issuing module, and a certificate reading module, wherein the issuing certification module is further divided into a creator account sub-module and a certificate type adding sub-module;
the work flow of the establishment account submodule is as follows: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through a certificate issuing manager by using the account, the information comprises an institution name, an institution credit code and an institution digital signature, the added issuer information is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether the digital signature is repeated with the institution credit code through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after the transaction is completed, the steps are repeated to create more institution accounts;
the workflow of the certificate type adding submodule is as follows: adding certificate type information including certificate names, certificate type codes and certificate template codes to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, driving the transaction into blocks through a block forging device, and repeating the steps to add more certificate types after the transaction is completed;
the certificate issuing module is further divided into a holder account creating sub-module, a block chain processing sub-module and a certificate issuing sub-module;
the work flow of creating the holder account submodule is as follows: creating a holder account on the block chain through an account manager, reserving a private key, filling new certificate holder information including a name, a certificate number and a certificate validity period through a certificate issuing manager, and encrypting the filling information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
the work flow of the block chain processing submodule is as follows: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
the work flow for completing the new certificate issuing submodule is as follows: repeating the above steps to issue more certificates;
the evidence reading module is further divided into an information verification sub-module and a private key decryption sub-module;
the work flow of the information verification submodule is as follows: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
the working process of the private key decryption submodule is as follows: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention, so that the changes and modifications made by the claims and the specification of the present invention should fall within the scope of the present invention.
Claims (8)
1. A method for managing certificates through a blockchain, comprising the steps of:
(1) the issuing authentication specifically comprises the following steps:
(1.1) creating an institution account: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through the account through a certificate issuing manager, the added information of the issuer is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether digital signature validity and institution credit codes are repeated through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after completion, the institution account creating step is repeated to create more institution accounts;
(1.2) certificate type addition: adding certificate type information to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, then, driving the transaction into a block through a block forging device, and repeating the step of adding the certificate type to add more certificate types after the transaction is completed;
(2) issuing certificates, comprising the following steps:
(2.1) creating a holder account: creating a holder account on the block chain through an account manager, reserving a private key, filling in newly added certificate holder information through a certificate issuing manager, and encrypting the filling-in information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
(2.2) Block chain processing: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
(2.3) completing the issuance of the new certificate: repeating the above steps to issue more certificates;
(3) reading the certificate specifically comprises the following steps:
(3.1) information verification: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
(3.2) private key decryption: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
2. The method of managing certificates through a blockchain as claimed in claim 1, wherein said issuer information in step (1.1) includes an institution name, an institution credit code, an institution digital signature.
3. The method of managing certificates through a blockchain as claimed in claim 1, wherein said certificate type information in step (1.2) includes a certificate name, a certificate type code, a certificate template code.
4. The method of claim 1, wherein the certificate holder information in step (2.1) includes name, certificate number, certificate expiration date.
5. A system for managing certificates through a block chain comprises an issuing authentication module, a certificate issuing module and a certificate reading module, wherein the issuing authentication module is further divided into a creation institution account sub-module and a certificate type adding sub-module;
the work flow of the establishment account submodule is as follows: an institution account is created through an account manager, a private key is reserved, information of an issuer is added through the account through a certificate issuing manager, the added information of the issuer is converted into block chain transaction through the certificate issuing manager, the transaction is submitted to a block chain through a transaction manager, the block chain checks whether digital signature validity and institution credit codes are repeated through the transaction manager, the block chain types the transaction into blocks through a block forging device, and after completion, the workflow of creating an institution account sub-module is repeated to create more institution accounts;
the workflow of the certificate type adding submodule is as follows: adding certificate type information to the created institution account through a certificate issuing manager, converting the certificate type information into block chain transaction, submitting the transaction to a block chain through a transaction manager, checking whether the certificate type codes in the institution are repeated through the block chain through the transaction manager, then driving the transaction into a block through a block forging device, and repeating the work flow of a certificate type adding sub-module to add more certificate types after the completion;
the certificate issuing module is further divided into a holder account creating sub-module, a block chain processing sub-module and a certificate issuing sub-module for completing the newly increased certificate issuing;
the work flow of creating the holder account submodule is as follows: creating a holder account on the block chain through an account manager, reserving a private key, filling in newly added certificate holder information through a certificate issuing manager, and encrypting the filling-in information by the certificate holder through the certificate issuing manager by using the private key of the certificate holder;
the work flow of the block chain processing submodule is as follows: the certificate issuing manager converts encrypted data of a newly added holder into block chain transaction, an organization signs the block chain transaction by using an organization digital certificate through the certificate issuing manager, the block chain transaction is submitted to a block chain through a transaction manager, the block chain checks whether a certificate number in the certificate type in the organization is repeated through the transaction manager, and the block chain types the transaction into a block through a block forging device;
the work flow for completing the new certificate issuing submodule is as follows: repeating the above steps to issue more certificates;
the evidence reading module is further divided into an information verification sub-module and a private key decryption sub-module;
the work flow of the information verification submodule is as follows: reading a transaction from the block chain through the transaction manager, extracting certificate data in the transaction, and verifying whether a signature mechanism of information is consistent with an issuing mechanism through the certificate access controller;
the working process of the private key decryption submodule is as follows: the certificate holder uses the private key of the certificate access controller to decrypt the certificate data, if decryption fails, the certificate data access fails, if decryption succeeds, the certificate data is restored to original visual data through the certificate access controller, and certificate reading is completed.
6. The system for managing certificates via a blockchain as claimed in claim 5, wherein said issuer information in the workflow of the create institution accounts submodule includes an institution name, an institution credit code, and an institution digital signature.
7. The system for managing certificates through a blockchain as claimed in claim 5, wherein the certificate type information includes a certificate name, a certificate type code, and a certificate template code in the workflow of the certificate type addition submodule.
8. The system for managing certificates via a blockchain as claimed in claim 5, wherein said certificate holder information includes name, certificate number, certificate expiration date in the workflow of the create holder account submodule.
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