CN112712452A - Approval information processing method and device based on block chain - Google Patents
Approval information processing method and device based on block chain Download PDFInfo
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Abstract
The application provides an approval information processing method and device based on a block chain, and belongs to the technical field of block chains. The method comprises the following steps: determining a current process node in the process of executing the process; under the condition that historical approval information of historical process nodes is obtained from a block chain network, obtaining current approval information obtained when the current process nodes execute corresponding processes; and uploading the current approval information to the block chain network. In the application, the authentication center acquires historical approval information from the block chain and uploads the current approval information to the block chain network, so that the approval information can be shared in the block chain, the integrity of the data of each block chain link point is ensured by adopting the characteristic of no centralization of the block chain network, and the transparency of an approval result is realized.
Description
Technical Field
The present application relates to the field of blockchain technologies, and in particular, to a method and an apparatus for processing approval information based on a blockchain.
Background
The procedure of legal action should be handled for some persons. When the transfer is handed over in successive times, the transfer department should fill in the examination and approval certificate and add the official seal to transfer along with the case; the receiving department should note the receiving time on the examination and approval certificate, fill the legal case handling starting and ending period in the litigation stage, and send to the third node in time after adding official seal. And the third node transacts the examination and approval procedures by the examination and approval certificate.
In the process of initiating the examination and approval procedure by the first node, the second node, the fourth node and the third node only need to know the examination and approval conditions of personnel in time, so that the examination and approval main body can be changed, and the embarrassment situation that a receiving unit refuses to receive cases due to the fact that the cases are made of different materials and the like after the transfer unit conducts examination and approval can be avoided.
At present, the examination and approval mode is that a first node adopts a letter examination and approval mode to carry out examination and approval, an examination and approval certificate is sent to a second node and a third node, the second node sends a received examined and approved letter to the first node and the third node after receiving the examination and approval letter, and the third node sends a letter for confirming the receiving and approval to the first node and the second node after receiving the received examined and approved letter. However, in the above approval mode, the approval procedure is circulated in each target mechanism, and the overall approval data is opaque, so that effective supervision of the approval data cannot be realized.
Disclosure of Invention
An object of the embodiments of the present application is to provide an approval information processing method and apparatus based on a block chain, so as to solve the problem that approval data is not transparent. The specific technical scheme is as follows:
in a first aspect, a block chain-based approval information processing method is provided, where the method includes:
determining a current process node in the process of executing the process;
under the condition that historical approval information of historical process nodes is obtained from a block chain network, obtaining current approval information obtained when the current process nodes execute corresponding processes;
and uploading the current approval information to the block chain network.
Optionally, before obtaining current approval information obtained when the current process node executes the corresponding process, the method further includes:
verifying the identity information of the current process node;
and under the condition that the identity information of the current process node passes the verification, executing the step of obtaining the current approval information when the current process node executes the corresponding process.
Optionally, the identity information verification of the current process node includes;
acquiring the attribute of the current process node;
and under the condition that the attribute of the current process node is determined to be the target attribute, determining that the identity information of the current process node passes the verification.
Optionally, the historical approval information includes a digital signature, and after the historical approval information of the historical process node is acquired from the blockchain network, the method further includes:
verifying the digital signature of the historical process node through public key information;
and under the condition that the digital signature passes the verification, determining that the identity information of the historical process node passes the verification, and executing the step of acquiring the current approval information obtained when the current process node executes the corresponding process.
Optionally, the current approval information includes verification signature information, and the uplink of the current approval information to the blockchain network includes:
acquiring verification signature information after the current process node verifies the digital signature;
and uplink the verification signature information to the block chain network.
Optionally, the current approval information includes audit process information, and the uplink of the current approval information to the blockchain network includes:
obtaining auditing process information corresponding to the current process node, wherein the auditing process information is information for auditing the process by a mechanism represented by the current process node;
and uploading the audit process information to the block chain network.
Optionally, after determining a current flow node in the flow execution process, the method further includes:
judging whether the current process node is a process starting node or not;
if so, skipping to the step of acquiring the current process node to execute the corresponding process to obtain the current approval information; alternatively, the first and second electrodes may be,
judging whether the current process node is a process end node or not;
if so, when the historical approval information of the historical process node is acquired, ending the process.
In a second aspect, an approval information processing apparatus based on a blockchain is provided, the apparatus including:
the determining module is used for determining the current process node in the process of executing the process;
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring current approval information obtained when a current process node executes a corresponding process under the condition that the historical approval information of the historical process node is acquired from a block chain network;
and the uploading module is used for uploading the current approval information to the block chain network.
In a third aspect, an electronic device is provided, which includes a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete communication with each other through the communication bus;
a memory for storing a computer program;
a processor for implementing any of the method steps described herein when executing the program stored in the memory.
In a fourth aspect, a computer-readable storage medium is provided, having stored thereon a computer program which, when being executed by a processor, carries out any of the method steps.
The embodiment of the application has the following beneficial effects:
the embodiment of the application provides an approval information processing method based on a block chain, which comprises the following steps: the authentication center determines a current process node in the process of executing the process, acquires current approval information obtained when the current process node executes a corresponding process under the condition of acquiring historical approval information of the historical process node from the blockchain network, and links the current approval information to the blockchain network. In the application, the authentication center acquires historical approval information from the block chain and uploads the current approval information to the block chain network, so that the approval information can be shared in the block chain, the integrity of the data of each block chain link point is ensured by adopting the characteristic of no centralization of the block chain network, and the transparency of an approval result is realized.
Of course, not all of the above advantages need be achieved in the practice of any one product or method of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a block chain-based approval information processing structure in an embodiment of the present application;
FIG. 2 is a block chain structure in the present application;
FIG. 3 is a block chain network functional structure diagram according to an embodiment of the present application;
fig. 4 is a flowchart of a method for processing approval information based on a blockchain according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of an approval system provided by an embodiment of the present application;
fig. 6 is a flowchart of a block chaining approval based method according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of initiating an approval by a first node according to an embodiment of the present application;
fig. 8 is a schematic diagram of initiating an approval by a second node according to an embodiment of the present application;
fig. 9 is a schematic diagram of initiating approval by a third node according to an embodiment of the present application;
FIG. 10 is an overall system diagram provided by an embodiment of the present application;
fig. 11 is a schematic structural diagram of an approval information processing apparatus based on a block chain according to an embodiment of the present application;
fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, reference is made to "one embodiment" which describes a subset of all possible embodiments, but it is understood that "one embodiment" describes the same subset or a different subset of all possible embodiments, and may be combined with each other without conflict.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing embodiments of the invention only and is not intended to be limiting of the invention.
Before further detailed description of the embodiments of the present invention, terms and expressions referred to in the embodiments of the present invention are described, and the terms and expressions referred to in the embodiments of the present invention are applicable to the following explanations.
(1) Transactions (transactions), equivalent to the computer term "Transaction," include operations that need to be committed to a blockchain network for execution and do not refer solely to transactions in the context of commerce, which embodiments of the present invention follow in view of the convention in blockchain technology that colloquially uses the term "Transaction.
For example, a deployment (deployment) transaction is used to install a specified smart contract to a node in a blockchain network and is ready to be invoked; the Invoke (Invoke) transaction is used to append records of the transaction in the blockchain by invoking the smart contract and to perform operations on the state database of the blockchain, including update operations (including adding, deleting, and modifying key-value pairs in the state database) and query operations (i.e., querying key-value pairs in the state database).
(2) A Block chain (Blockchain) is a storage structure for encrypted, chained transactions formed from blocks (blocks).
(3) A Blockchain Network (Blockchain Network) incorporates new blocks into a set of nodes of a Blockchain in a consensus manner.
(4) Ledger (legger) is a general term for blockchains (also called Ledger data) and state databases synchronized with blockchains. Wherein, the blockchain records the transaction in the form of a file in a file system; the state database records the transaction in the blockchain in the form of different types of Key (Key) Value pairs for supporting quick query of the transaction in the blockchain.
(5) Intelligent Contracts (Smart Contracts), also known as chain codes (chaincodes) or application codes, are programs deployed in nodes of a blockchain network, and the nodes execute the intelligent Contracts called in received transactions to update or query key-value data of a state database.
(6) Consensus (Consensus), a process in a blockchain network, is used to agree on transactions in a block among a plurality of nodes involved, the agreed block is to be appended to the end of the blockchain, and the mechanisms for achieving Consensus include Proof of workload (PoW, Proof of Work), Proof of rights and interests (PoS, Proof of equity (DPoS), Proof of right of stock (DPoS), Proof of Elapsed Time (PoET, Proof of Elapsed Time), and so on.
An exemplary application of the block chain network according to the embodiment of the present invention is described below, as shown in fig. 1, fig. 1 is a schematic diagram of an approval information processing system based on a block chain according to the embodiment of the present invention, and includes a block chain network 101, a consensus node 102, an authentication center 103, a service entity 104, a client node 104-1, a service entity 105, and a client node 105-1, which are described below:
the type of blockchain network 101 is flexible and may be any of a public chain, a private chain, or a federation chain, for example. Taking a public link as an example, electronic devices such as a user terminal and a server of any service agent can access the blockchain network 101 without authorization; taking a federation chain as an example, an electronic device (e.g., a terminal/server) under the jurisdiction of a service entity after obtaining authorization may access the blockchain network 101, and at this time, become a client node in the blockchain network 101.
In some embodiments, the client node 104 may act as a mere watcher of the blockchain network 101, i.e., provides functionality to support a business entity to initiate a transaction (e.g., for uplink storage of data or querying of data on a chain), and may be implemented by default or selectively (e.g., depending on the specific business requirements of the business entity) for the functions of the consensus node 102 of the blockchain network 101, such as a ranking function, a consensus service, and an accounting function, etc. Therefore, the data and the service processing logic of the service subject can be migrated to the blockchain network 101 to the maximum extent, and the credibility and traceability of the data and service processing process are realized through the blockchain network 101.
Consensus nodes in blockchain network 101 receive transactions submitted from different business entities, such as client node 104-1 of business entity 104 shown in fig. 1, perform the transactions to update the ledger or query the ledger, and various intermediate or final results of performing the transactions may be returned for display in client node 104-1 of business entity 104.
For example, client node 104-1 may subscribe to events of interest in blockchain network 101, such as transactions occurring in a particular organization/channel in blockchain network 101, and corresponding transaction notifications are pushed by consensus node 102 to client node 104-1, thereby triggering corresponding business logic in client node 104-1.
As an example of a block chain, as shown in fig. 2, fig. 2 is a schematic structural diagram of a block chain in a block chain network 101 according to an embodiment of the present invention, where a header of each block may include hash values of all transactions in the block and also include hash values of all transactions in a previous block, a record of a newly generated transaction is filled in the block and is added to a tail of the block chain after being identified by nodes in the block chain network, so as to form a chain growth, and a chain structure based on hash values between blocks ensures tamper resistance and forgery prevention of transactions in the block.
An exemplary functional architecture of a blockchain network provided by the embodiment of the present invention is described below, as shown in fig. 3, fig. 3 is a schematic functional architecture diagram of a blockchain network 101 provided by the embodiment of the present invention, and includes an application layer 301, a consensus layer 302, a network layer 303, a data layer 304, and a resource layer 305, which are described below:
the application layer 301 encapsulates various services that the blockchain network can implement, including tracing, crediting, and verifying transactions.
The consensus layer 302 encapsulates the functions of the mechanism by which the nodes 102 in the blockchain network 101 agree on a block (i.e., a consensus mechanism), transaction management, and ledger management. The consensus mechanism comprises consensus algorithms such as POS, POW and DPOS, and the pluggable consensus algorithm is supported. The transaction management is used for verifying the digital signature carried in the transaction received by the node 101, verifying the identity information of the service body 104, and determining whether the service body has the authority to perform the transaction (reading the relevant information from the service body identity management) according to the identity information; for the service agents authorized to access the blockchain network 101, the service agents all have digital certificates issued by the certificate authority, and the service agents sign the submitted transactions by using private keys in the digital certificates of the service agents, so that the legal identities of the service agents are declared. The ledger administration is used to maintain blockchains and state databases. For the block with the consensus, adding the block to the tail of the block chain; executing the transaction in the acquired consensus block, updating the key-value pairs in the state database when the transaction comprises an update operation, querying the key-value pairs in the state database when the transaction comprises a query operation and returning a query result to the client node of the business entity. Supporting query operations for multiple dimensions of a state database, comprising: querying the chunk based on the chunk sequence number (e.g., hash value of the transaction); inquiring the block according to the block hash value; inquiring a block according to the transaction serial number; inquiring the transaction according to the transaction serial number; inquiring account data of a business main body according to an account (serial number) of the business main body; and inquiring the block chain in the channel according to the channel name.
The network layer 303 encapsulates the functions of a point-to-point (P2P, point) network protocol, a data propagation mechanism and a data verification mechanism, an access authentication mechanism, and service agent identity management.
The P2P network protocol implements communication between nodes 102 in the blockchain network 101, the data propagation mechanism ensures propagation of transactions in the blockchain network 101, and the data verification mechanism implements reliability of data transmission between the nodes 102 based on cryptography methods (e.g., digital certificates, digital signatures, public/private key pairs); the access authentication mechanism is used for authenticating the identity of a service subject added to the block chain network 101 according to an actual service scene, and endowing the service subject with the authority of accessing the block chain network 101 when the authentication is passed; the business entity 104 identity management is used to store the identity of the business entity 104 that is allowed to access the blockchain network 101, as well as the permissions (e.g., the types of transactions that can be initiated).
The resource layer 305 encapsulates the computing, storage, and communication resources that implement each node 102 in the blockchain network 101.
The embodiment of the application provides an approval information processing method based on a block chain, which can be applied to a certificate authority and is used for executing circulation of approval results among a plurality of mechanisms.
The following describes in detail an approval information processing method based on a block chain according to an embodiment of the present application with reference to a specific embodiment, and as shown in fig. 4, the specific steps are as follows:
step 401: and determining the current process node in the process of executing the process.
The process approval process needs to pass through a plurality of process nodes, so that the authentication center firstly determines the current process node in the process of process execution, and performs the following operation on the current process node under the condition that the current process node is determined to be an intermediate node.
Illustratively, the process of the online approval process includes a first node, a second node, a third node and a fourth node, where the first node is a process starting node, the fourth node is a process ending node, other nodes are intermediate nodes, and the authentication center first determines that the current process node is an intermediate node.
Step 402: and under the condition of acquiring the historical approval information of the historical process nodes from the blockchain network, acquiring the current approval information obtained when the current process nodes execute corresponding processes.
The node for executing the process before the current process node is a historical process node, the historical process node uploads the historical approval information to the block chain network, after the current process node acquires the historical approval information of the historical process node from the block chain network, the current process node executes the corresponding process to obtain the current approval information, and the authentication center acquires the current approval information of the current process node.
Illustratively, the current process node is a second node, the historical process node is a first node, the first node uploads the examination and approval record information in the examination and approval process to the blockchain network, the second node acquires the examination and approval record information of the first node from the blockchain network, and then the second node continues to execute the examination and approval process to obtain examination and approval confirmation information.
Step 403: and linking the current approval information to the block chain network.
And after obtaining the current approval information of the current process node, the authentication center links the current approval information to the block chain network, so that other process nodes positioned behind the current process node in the process of executing the process can obtain the current approval information and process the current approval information.
For example, the second node links the approval confirmation information to the blockchain network, and then the third node and the fourth node may acquire the approval confirmation information, implement effective supervision on the approval confirmation information, and also perform processing such as verification and signature on the approval confirmation information.
In the embodiment of the application, the authentication center acquires historical approval information from the block chain and uploads the current approval information to the block chain network, so that the approval information can be shared in the block chain, the integrity of the data of each block chain link point is ensured by adopting the characteristic of no centralization of the block chain network, and the transparency of an approval result is realized.
As an optional implementation manner, after determining a current flow node in the flow execution process, the method further includes: judging whether the current process node is a process starting node or not; if so, skipping to the step of obtaining the current approval information when the current process node executes the corresponding process.
If the authentication center confirms that the current process node is a process starting node, no historical process node exists before the process starting node, and no historical approval information exists, the authentication center obtains the current approval information when the current process node executes the corresponding process, and then the current approval information is linked to the block chain network.
Illustratively, the first node is a process starting node in an online approval process, and the authentication center acquires approval record information of the first node and then uploads the approval record information to the blockchain network.
As an optional implementation manner, after determining a current flow node in the flow execution process, the method further includes: judging whether the current process node is a process end node or not; if so, ending the process when the historical approval information of the historical process node is acquired.
If the authentication center confirms that the current process node is a process end node, no process node exists after the process end node, the process end node plays a role in supervision and does not need to upload approval information to the block chain network, when the authentication center determines that the historical approval information of the historical process node is obtained, the supervision effect of the process end node is completed, and the process is ended.
Illustratively, the fourth node is a process end node in the process of the online approval process, the previous node of the fourth node is a third node that needs to upload approval information, and when the authentication center confirms that the fourth node acquires the approval record information of the third node, indicating that the supervision action of the fourth node is completed, the online approval process is ended.
As an optional implementation manner, before obtaining current approval information obtained when the current process node executes the corresponding process, the method further includes: verifying the identity information of the current process node; and under the condition that the identity information of the current process node passes the verification, executing the step of obtaining the current approval information when the current process node executes the corresponding process.
Before the authentication center acquires the current approval information obtained when the current process node executes the corresponding process, the identity information of the current process node needs to be verified, and the current approval information obtained when the current process node executes the corresponding process is acquired only when the identity information of the current process node passes verification, so that the security of the current approval information uploading block chain is ensured, and malicious acquisition is prevented.
Specifically, the authentication of the identity information comprises; acquiring the attribute of the current process node; and under the condition that the attribute of the current process node is determined to be the target attribute, determining that the identity information of the current process node passes the verification.
The authentication center acquires the attribute of the current process node, wherein the attribute can be in the industry field, and when the authentication center determines that the attribute of the current process node is the target attribute, the authentication center indicates that the current process node is correct, and the identity information of the current process node passes the verification.
Illustratively, when the current flow node is the second node, the authentication center acquires the domain to which the second node belongs, and the authentication center determines that the domain to which the second node belongs is the target domain, it indicates that the identity information of the second node passes the verification.
Specifically, the certificate authority receives public key information sent by the third node, acquires a prestored certificate chain of the third node from the blockchain network, matches the public key information of the third node in the certificate chain with the public key information sent by the third node, and determines that the third node really belongs to the target organization node if matching is successful.
As an optional implementation manner, the historical approval information includes a digital signature, and after the historical approval information of the historical process node is acquired from the blockchain network, the method further includes: verifying the digital signature of the historical process node through public key information; and under the condition that the digital signature passes the verification, determining that the identity information of the historical process node passes the verification, and executing the step of acquiring the current approval information obtained when the current process node executes the corresponding process.
The historical approval information uploaded to the block chain by the historical process nodes comprises the digital signatures of the historical process nodes, the digital signatures need to be verified through public key information in the historical process nodes after the digital signatures are obtained by the current process nodes, the digital signatures are determined to be verified under the condition that the digital signatures are verified, the verification signature information is obtained after the digital signatures are verified by the current process nodes, and the verification signature information of the current process nodes is linked to the block chain network by the authentication center.
As an optional implementation manner, the current approval information includes audit flow information, and the uplink of the current approval information to the blockchain network includes: obtaining auditing process information corresponding to a current process node, wherein the auditing process information is information for auditing a process by an organization represented by the current process node; and uploading the audit process information to the block chain network.
In the process of executing the current process node, the mechanism where the current process node is located needs to check the process to obtain check process information, and the current process node also uploads the check process information of the mechanism to the block chain network for supervision of the current process node by other process nodes.
The method is described in detail below with a blockchain based approval.
The block chain-based approval system provided by the embodiment of the application comprises an authentication center and a block chain network with a plurality of target mechanism nodes, wherein in the process of executing an approval process, the authentication center acquires identity information of the target nodes, and links data information which is sent by the target nodes and used in the approval process to the block chain network under the condition that the target nodes belong to the target mechanism nodes, and the block chain network broadcasts the received data information to the target mechanism nodes.
Fig. 5 is a schematic diagram of an approval system. The block chain link points comprise a first node, a second node, a third node and a fourth node, and an online examination and approval service system is built according to the block chain nodes. The four target mechanisms involved in the approval process are as follows: the method comprises the steps that a first node, a second node, a fourth node and a third node are used for accessing four target mechanisms into a block chain network according to the safety specification of a target backbone network to form the first node, the second node, the fourth node and the third node, and then based on the four target mechanism nodes, an examination and approval system based on a block chain is built through CA authentication of the block chain nodes and distributed data storage characteristics and is respectively deployed in private networks of the four mechanisms. The target organization nodes are connected via a peer-to-peer (P2P) network. In the system, a completely decentralized system architecture is adopted, so that the transparency, the efficiency and the credibility of the approval data information can be ensured.
The embodiment of the application also provides an approval method based on the block chain, which can be applied to a certificate authority and used for executing an approval process among a plurality of target mechanisms.
The block chain based approval method provided in the embodiments of the present application will be described in detail below with reference to specific embodiments, as shown in fig. 6, the specific steps are as follows:
step 601: and acquiring the identity information of the target node corresponding to the executive party in the approval process.
In the embodiment of the application, a plurality of target mechanism nodes construct a block chain network, and the block chain network is used for sharing data information in an approval process on a block chain. Illustratively, the target organization comprises a first node, a second node, a fourth node and a third node, and the four target organizations access the block chain network according to the security specification of the target backbone network to form four block chain nodes.
In the process of performing the approval, if the target entity wants to upload the data information to the blockchain, identity verification is performed on the authentication center, specifically, identity verification may be performed through a Certificate Authority (CA), and the authentication center obtains the identity information of the target node to which the data information is to be uploaded.
Step 602: and receiving data information sent by the target node under the condition that the target node is determined to be the target mechanism node according to the identity information of the target node.
The data information is used in an approval process, and the target mechanism node is a node in a block chain network.
The certification center receives data information sent by a target node through identity information of a CA (Certificate Authority) target node if the target node is verified to belong to the target mechanism node and the verification is indeed an approval initiated by the target mechanism node; if the authentication center verifies that the target node is not the target mechanism node, the approval process is not initiated by the target mechanism node, and the authentication center cannot receive the data information sent by the target node.
As an optional implementation manner, the process of determining that the target node belongs to the plurality of target mechanism nodes according to the identity information of the target node is as follows:
each target node has corresponding target public key information, the target nodes send the target public key information to the authentication center, and the authentication center receives the target public key information sent by the target nodes. Optionally, the authentication center obtains identity information of a target object for performing an approval operation, and if the authentication center determines that the target object belongs to the target node, the authentication center obtains target public key information of the target node. The identity information of the target object may be information that can uniquely identify the identity of the target object, such as the name, the identification card number, or the employee id card of the target object.
Illustratively, the target node is a first node, a worker in the first node inputs his/her name on the authentication center, and the authentication center queries that the worker really belongs to the first node, and then the authentication center obtains the target public key information of the first node.
The target node prestores a certificate chain in the blockchain network, wherein the certificate chain contains the real public key information of the target node. And the authentication center acquires the certificate chain of the target node from the block chain network according to the intelligent contract.
And the certification center acquires the public key information in the certificate chain, matches the public key information in the certificate chain with the target public key information, and determines whether the target node is the target organization node according to the matching result. If the certification center determines that the public key information of the target node in the certificate chain is successfully matched with the target public key information, the target public key information is true, and the target node is a target organization node; and if the certification center determines that the matching between the public key information of the target node in the certificate chain and the target public key information fails, indicating that the target public key information is false, determining that the target node is not the target organization node.
Step 603: the data information is uplinked to the blockchain network.
The authentication center uploads the data information of the target node to the blockchain network, and broadcasts the data information to each node in the blockchain network, for example, to each target mechanism node.
Illustratively, the authentication center uploads the data information of the first node to the blockchain network, and then broadcasts the data information of the first node to the second node, the fourth node and the third node.
According to the method and the device, the approval process is executed through the block chain, the situation that the approval process is blocked due to environmental factors or human factors in the offline approval process is avoided, the approval process is not required to be approved in a letter mode, the approval process is simplified, the timeliness of approval data information sharing is improved, and the approval efficiency is improved.
In addition, the block chain is used as a credible distributed account book technology, so that data information of cross-organization circulation can be effectively prevented from being maliciously intercepted and tampered, the characteristic that the block chain has no central node is utilized, each target organization node is guaranteed to have complete approval data information, transparency, tamper resistance and traceability of cross-organization circulation data are guaranteed, and accuracy and effectiveness in the transmission process of approval data information are guaranteed.
The target node comprises a first node, and the first node sends the data information to the block chain network through the authentication center after the first node is authenticated by the authentication center. The data information sent by the first node comprises approval record information, and the approval record information is digitally signed by the first node and is approval record information carrying a first digital signature.
Specifically, the approval record information includes information recorded on the approval certificate, such as name of the approval person, reason of approval, date of transfer, unit of transfer, hash of block transaction, first digital signature, and the like.
Optionally, before the first node uploads the examination and approval record information, the authentication center needs to verify the identity information of the first node, and the authentication center allows the first node to upload the examination and approval record information to the blockchain network only when determining that the first node indeed belongs to the target mechanism node.
Specifically, the certificate authority receives public key information sent by the first node, acquires a pre-stored certificate chain of the first node from the blockchain network, matches the public key information of the first node in the certificate chain with the public key information sent by the first node, and determines that the first node is indeed the target institution node if matching is successful.
The target node further comprises a second node, the block chain network broadcasts the approval record information carrying the first digital signature to the second node, the second node verifies the authenticity of the first digital signature after receiving the approval record information, if the second node verifies that the first digital signature is true, the second node signs the approval record information by using the second digital signature to obtain approval confirmation information, and then the second node sends the approval confirmation information to the block chain network.
Optionally, before the second node receives the approval record information, the authentication center needs to verify the identity information of the second node, and the authentication center determines that the second node is indeed the target mechanism node, and then sends the approval record information to the second node.
Specifically, the certificate authority receives public key information sent by the second node, acquires a pre-stored certificate chain of the second node from the blockchain network, matches the public key information of the second node in the certificate chain with the public key information sent by the second node, and determines that the second node really belongs to the target organization node if matching is successful.
The target node further comprises a third node, the block chain network broadcasts the approval record information carrying the first digital signature and the approval confirmation information carrying the second digital signature to the third node, the third node verifies the authenticity of the first digital signature and the second digital signature after receiving the approval record information and the approval confirmation information, if the third node verifies that the first digital signature and the second digital signature are true, the third node signs the approval confirmation information by using the third digital signature to obtain approval inquiry information, and then the third node sends the approval inquiry information to the block chain network.
Optionally, before the third node receives the approval confirmation information, the authentication center needs to verify the identity information of the third node, and the authentication center sends the approval confirmation information to the third node only when determining that the third node indeed belongs to the target mechanism node.
Specifically, the certificate authority receives public key information sent by the third node, acquires a prestored certificate chain of the third node from the blockchain network, matches the public key information of the third node in the certificate chain with the public key information sent by the third node, and determines that the third node really belongs to the target organization node if matching is successful.
As an optional implementation manner, before the target node sends the data information to the blockchain, the target organization represented by the target node further needs to audit the audit approval process, so that the data information further includes audit information of the target node, and the target node also sends the audit information to the blockchain network, which plays a role in supervising the audit process of the target organization where the target node is located, and ensures transparency and traceability of the audit process inside the target organization.
Optionally, an embodiment of an approval method based on a block chain is further provided in the embodiments of the present application.
And constructing an online examination and approval service system based on the block chain nodes deployed by the first node, the second node, the third node and the fourth node. The four target mechanisms involved in the approval process are as follows: the method comprises the steps that a first node, a second node, a fourth node and a third node are used for accessing four target mechanisms into a block chain network according to the safety specification of a target backbone network to form the first node, the second node, the fourth node and the third node, and then based on the four target mechanism nodes, an examination and approval system based on a block chain is built through CA authentication of the block chain nodes and distributed data storage characteristics and is respectively deployed in target private networks of the four mechanisms.
FIG. 7 is a schematic diagram of a first node initiating an approval. After the authentication center performs identity verification on the first node, the first node uploads the approval record information carrying the first digital signature to the block chain network and broadcasts the approval record information to the second node, the third node and the fourth node, and at this time, the approval process information of the approval initiated by the first node can be known by each target mechanism.
FIG. 8 is a diagram illustrating the second node initiating an approval. After the authentication center performs identity verification on the second node, the first node signs the approval record information to obtain approval confirmation information carrying the second digital signature, then uploads the approval confirmation information to the block chain network and broadcasts the approval confirmation information to the first node, the third node and the fourth node, and at the moment, the approval process information of the second node receiving approval is known by each target mechanism.
Fig. 9 is a schematic diagram of the third node initiating approval. After the authentication center performs identity verification on the third node, the third node signs the approval confirmation information to obtain approval inquiry information carrying a third digital signature, then uploads the approval inquiry information to the block chain network and broadcasts the approval inquiry information to the first node, the third node and the second node, and at this time, the approval process information of the 'third node approval confirmation' is known by each target mechanism. By this point, the approval process ends.
Optionally, an overall system diagram of an approval method based on a blockchain is further provided in an embodiment of the present application, as shown in fig. 10.
The first node initiates examination and approval after examining and approving the data, after the authentication center verifies the identity of the first node, the first node carries out digital signature on the examined and approved data to obtain examination and approval record information carrying the first digital signature, and the authentication center uploads the examination and approval record information and the examination and approval information of the first node to the block chain network. The approval record information may be data information in an approval certificate carrying the first digital signature.
The second node receives an approval request sent by the first node, wherein the approval request can be an approval record information uplink or an approval request of the first node to the second node in other modes such as mail, telephone and the like. After the authentication center verifies the identity of the second node, the second node performs digital signature on the approval record information to obtain approval confirmation information carrying the second digital signature, the approval process inside the second node is the approval information of the second node, and the authentication center uploads the approval information and the approval confirmation information of the second node to the block chain network. The approval record information may be data information in an approval certificate carrying the second digital signature.
And the third node receives an approval request sent by the second node, wherein the approval request can be an approval confirmation information uplink or an approval request of the second node to the third node in other modes such as mail, telephone and the like. After the authentication center verifies the identity of the third node, the third node digitally signs the approval confirmation information to obtain approval question information carrying the third digital signature, an approval process inside the third node is the approval information of the third node, and the authentication center uploads the approval information and the approval question information of the third node to the block chain network. The examination and approval inquiry information can be data information in the inquiry.
In the application, the block chain is adopted for executing the approval process, the approval process can be simplified compared with offline approval, the approval efficiency is improved, the approval data information is efficiently and transparently shared among all nodes through the non-centralized characteristic of the block chain, and in addition, the identity verification is carried out on the target mechanism node, so that the credibility of a data information source and the authenticity of the data information in the circulation process can be ensured.
In the following, for the sake of clarity of the present application, the working principle of the intelligent contract is first briefly described:
constructing an intelligent contract: the intelligent contract is made by a plurality of users in the block chain, and can be used for any transaction between any users. The agreement defines the rights and obligations of the parties to the transaction, which are programmed electronically by the developer, the code containing conditions that trigger the automatic execution of the contract.
Storing the intelligent contract: once the encoding is completed, the intelligent contract is uploaded to the blockchain network, that is, each node of the whole network can receive the intelligent contract.
Executing the intelligent contract: the intelligent contract can regularly check whether related events and trigger conditions exist or not, the events meeting the conditions are pushed to a queue to be verified, the verification nodes on the block chain firstly carry out signature verification on the events to ensure the validity of the events, most verification nodes agree with the events, the intelligent contract is successfully executed, and a user is informed of the successful execution.
Based on the same technical concept, an embodiment of the present application further provides an approval information processing apparatus based on a block chain, as shown in fig. 11, the apparatus includes:
a first determining module 111, configured to determine a current flow node in a flow execution process;
a first obtaining module 112, configured to obtain current approval information obtained when a current process node executes a corresponding process under the condition that historical approval information of a historical process node is obtained from a blockchain network;
an upload module 113, configured to upload the current approval information to the blockchain network.
Optionally, the apparatus further comprises:
the first verification module is used for verifying the identity information of the current process node;
and the execution module is used for executing the step of obtaining the current approval information when the current process node executes the corresponding process under the condition that the identity information of the current process node passes the verification.
Optionally, the execution module comprises;
the first acquisition unit is used for acquiring the attribute of the current process node;
and the determining unit is used for determining that the identity information of the current process node passes the verification under the condition that the attribute of the current process node is determined to be the target attribute.
Optionally, the historical approval information includes a digital signature, and the apparatus further includes:
the second verification module is used for verifying the digital signature of the historical process node through public key information;
and the second determining module is used for determining that the identity information of the historical process node passes the verification under the condition that the digital signature passes the verification, and executing the step of obtaining the current approval information obtained when the current process node executes the corresponding process.
Optionally, the current approval information includes verification signature information, and the uploading module 113 includes:
the second acquisition unit is used for acquiring verification signature information after the digital signature is verified by the current process node;
a first uploading unit, configured to upload the verification signature information to the blockchain network.
Optionally, the current approval information includes audit process information, and the uploading module 113 includes:
a third obtaining unit, configured to obtain audit process information corresponding to a current process node, where the audit process information is information of auditing a process by a mechanism represented by the current process node;
and the second uploading unit is used for uploading the audit process information to the block chain network.
Optionally, the apparatus further comprises:
the first judging module is used for judging whether the current process node is a process starting node or not;
and the skipping module is used for skipping to the step of acquiring the current process node and executing the corresponding process to obtain the current approval information if the current process node is the current process node.
Optionally, the apparatus further comprises:
the second judgment module is used for judging whether the current process node is a process end node or not;
and if so, ending the process when the historical approval information of the historical process node is acquired.
Based on the same technical concept, the embodiment of the present invention further provides an electronic device, as shown in fig. 12, including a processor 121, a communication interface 122, a memory 123 and a communication bus 124, where the processor 121, the communication interface 122, and the memory 123 complete mutual communication through the communication bus 124,
a memory 123 for storing a computer program;
the processor 121 is configured to implement the above steps when executing the program stored in the memory 123.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In a further embodiment provided by the present invention, there is also provided a computer readable storage medium having stored therein a computer program which, when executed by a processor, implements the steps of any of the methods described above.
In a further embodiment provided by the present invention, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the methods of the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An approval information processing method based on a block chain is characterized by comprising the following steps:
determining a current process node in the process of executing the process;
under the condition that historical approval information of historical process nodes is obtained from a block chain network, obtaining current approval information obtained when the current process nodes execute corresponding processes;
and uploading the current approval information to the block chain network.
2. The method according to claim 1, wherein before obtaining the current approval information obtained when the current process node executes the corresponding process, the method further comprises:
verifying the identity information of the current process node;
and under the condition that the identity information of the current process node passes the verification, executing the step of obtaining the current approval information when the current process node executes the corresponding process.
3. The method of claim 2, wherein the verifying the identity information of the current process node comprises;
acquiring the attribute of the current process node;
and under the condition that the attribute of the current process node is determined to be the target attribute, determining that the identity information of the current process node passes the verification.
4. The method of claim 1, wherein the historical approval information comprises a digital signature, and after obtaining the historical approval information of the historical process node from the blockchain network, the method further comprises:
verifying the digital signature of the historical process node through public key information;
and under the condition that the digital signature passes the verification, determining that the identity information of the historical process node passes the verification, and executing the step of acquiring the current approval information obtained when the current process node executes the corresponding process.
5. The method of claim 4, wherein the current approval information comprises verification signature information, and wherein the uplink of the current approval information to the blockchain network comprises:
acquiring verification signature information after the current process node verifies the digital signature;
and uplink the verification signature information to the block chain network.
6. The method of claim 1, wherein the current approval information comprises audit flow information, and wherein the uplink of the current approval information to the blockchain network comprises:
obtaining auditing process information corresponding to the current process node, wherein the auditing process information is information for auditing the process by a mechanism represented by the current process node;
and uploading the audit process information to the block chain network.
7. The method of claim 1, wherein after determining a current flow node in the flow execution process, the method further comprises:
judging whether the current process node is a process starting node or not;
if so, skipping to the step of acquiring the current process node to execute the corresponding process to obtain the current approval information; alternatively, the first and second electrodes may be,
judging whether the current process node is a process end node or not;
if so, when the historical approval information of the historical process node is acquired, ending the process.
8. An approval information processing apparatus based on a blockchain, the apparatus comprising:
the determining module is used for determining the current process node in the process of executing the process;
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring current approval information obtained when a current process node executes a corresponding process under the condition that the historical approval information of the historical process node is acquired from a block chain network;
and the uploading module is used for uploading the current approval information to the block chain network.
9. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any of claims 1 to 7 when executing a program stored in the memory.
10. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of claims 1 to 7.
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