CN110324149B - Evidence fixed verification method after multi-party consensus signature - Google Patents
Evidence fixed verification method after multi-party consensus signature Download PDFInfo
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- CN110324149B CN110324149B CN201910415099.4A CN201910415099A CN110324149B CN 110324149 B CN110324149 B CN 110324149B CN 201910415099 A CN201910415099 A CN 201910415099A CN 110324149 B CN110324149 B CN 110324149B
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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
- G06F21/62—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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- 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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Abstract
The invention discloses an evidence fixed verification method after multi-party consensus signature, which comprises data encryption and Hash calculation, multi-party signature evidence fixed platform processing and node consensus. Firstly, calculating hash after processing a plurality of groups of original data encryption algorithms, sending the calculated hash to a multi-party signature evidence fixed platform, sequentially determining a consensus algorithm and a block chain network, and after determining the block chain, respectively sending the hash to a notarization department node, an arbitration committee node, a court node and other organization nodes by corresponding block chains. And the notarization department node, the arbitration committee node, the court node and other organization nodes are used for respectively and sequentially carrying out identity confirmation, hash verification, consensus processing, signature processing and chain fixing on the hash. The evidence fixed verification method after multi-party consensus signature ensures the intervention of a third party, increases the trust degree in the block chain, and has the advantages of trust degree and high safety.
Description
Technical Field
The invention relates to an evidence fixed verification method, in particular to an evidence fixed verification method after multi-party consensus signature.
Background
The existing platforms use self credit or authority as endorsement to provide services such as solidification and verification of electronic evidence. However, under the drive of benefits and other factors, the electronic data in the centralized storage or single signature block chain storage mode may be tampered and deleted, and the possibility that the electronic data is not highly effective and not acknowledged by a judicial institution exists.
Therefore, there is a need for a device for fixing evidence for storage based on multiple consensus signed evidence, with multiple intervention ensuring the validity of evidence curing.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for verifying evidence after multi-party consensus signature for the above-mentioned deficiencies of the prior art.
The invention realizes the purpose through the following technical scheme: a fixed verification method of evidence after multi-party consensus signature is disclosed, wherein: comprises the following steps of (a) carrying out,
the method comprises the following steps: encrypting and performing Hash calculation on data, namely processing a plurality of groups of original data by adopting an encryption algorithm respectively, calculating Hash on the plurality of groups of original data processed by the encryption algorithm, and waiting for the next processing of the calculated Hash;
step two: processing by a multi-party signature evidence fixed platform, namely sending the hash obtained by calculation in the step one to the multi-party signature evidence fixed platform to be processed by the multi-party signature evidence fixed platform, wherein the processing sequentially comprises a determination consensus algorithm and a determination block chain network, and the block chain network sends the hash to a notarization department node, an arbitration committee node, a court node and other organization nodes respectively to wait for the next processing;
step three: and (4) node consensus, namely performing identity confirmation, hash verification, consensus processing, signature processing and chain fixing on the hash at a notarization department node, an arbitration committee node, a court node and other institution nodes.
As a further optimization scheme of the present invention, the method for the fixed verification of the evidence after the multi-party consensus signature as claimed in claim 1 is characterized in that: if the Hash verification fails at the notarization department node, the notarization department node sends the Hash to a multi-party signature evidence fixed platform; if the Hash verification is successful, carrying out consensus processing on nodes at the notarization position;
if the consensus processing fails, the notarization point node sends the Hash to a multi-party signature evidence fixed platform; if the consensus succeeds, the notarization node sequentially performs signature processing and cochain fixing, and sends a consensus instruction to the arbitration committee node;
if the consensus processing fails at the arbitration committee node, the arbitration committee node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, a consensus instruction is sent to the court node, and uplink fixing is carried out at an arbitration committing node;
if the consensus processing fails at the court node, the court node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, the consensus instruction is sent to other mechanism nodes, and chain fixing is carried out at the court nodes;
if the hash verification fails at other mechanism nodes, the other mechanism nodes send the hash to the multi-party signature evidence fixed platform; if the Hash verification is successful, performing consensus processing on other mechanism nodes; if the consensus processing fails, other mechanism nodes send the Hash to a multi-party signature evidence fixed platform; if the common identification is successful, other mechanism nodes carry out signature processing and cochain fixing in sequence.
The invention has the beneficial effects that:
through Hash verification, the privacy of the data is guaranteed.
By setting consensus processing, the final consistency of data maintained by each node is ensured to be established on a plurality of nodes of the distributed block chain.
And the safety of user data is ensured by setting uplink fixation.
With identity verification, the authenticator is requested to verify the hash by verifying whether the information provided on the blockchain is true.
Drawings
FIG. 1 is a flow chart of a method for verifying evidence after multi-party consensus signature according to the present invention;
fig. 2 is a schematic flow diagram of the embodiment of fig. 1.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Examples
The fixed proof verification method after multi-party consensus signature shown in fig. 1 comprises the following steps,
the method comprises the following steps: encrypting and performing Hash calculation on data, namely processing a plurality of groups of original data by adopting an encryption algorithm respectively, calculating Hash on the plurality of groups of original data processed by the encryption algorithm, and waiting for the next processing of the calculated Hash;
step two: processing by a multi-party signature evidence fixed platform, namely sending the hash obtained by calculation in the step one to the multi-party signature evidence fixed platform to be processed by the multi-party signature evidence fixed platform, wherein the processing sequentially comprises a determination consensus algorithm and a determination block chain network, and the block chain network sends the hash to a notarization department node, an arbitration committee node, a court node and other organization nodes respectively to wait for the next processing;
step three: the nodes are identified, and the hash in the step two is distributed to a notarization department node, an arbitration committee node, a court node and other organization nodes in sequence; identity confirmation, hash verification, consensus processing, signature processing and chain fixing are respectively carried out on the hash at the notarization department node, the arbitration committee node, the court node and other organization nodes.
As shown in fig. 2, in this embodiment, the method includes original data a, original data B, original data C, and original data D, where the original data a, the original data B, the original data C, and the original data D are respectively processed by an encryption algorithm, and hash is calculated after encryption processing, and then the calculated hash is sent to a multi-party signature fixed platform, where the multi-party signature fixed platform is processed by a deterministic consensus algorithm and a deterministic block chain network, and after a block chain is determined, the corresponding block chain sends the obtained hash to a notarization point node, an arbitration commission node, a court node, and other organization nodes. The hash processing process is the same at a notarization department node, an arbitration committee node, a court node and other organization nodes, and identity confirmation, hash verification, consensus processing, signature processing and chaining fixation are sequentially carried out on the hash on the premise that the success of all the steps is guaranteed.
If the Hash verification fails at the notarization department node, the notarization department node sends the Hash to a multi-party signature evidence fixed platform; if the Hash verification is successful, carrying out consensus processing on nodes at the notarization position;
if the consensus processing fails, the notarization point node sends the Hash to a multi-party signature evidence fixed platform; if the consensus succeeds, the notarization node sequentially performs signature processing and cochain fixing, and sends a consensus instruction to the arbitration committee node;
if the consensus processing fails at the arbitration committee node, the arbitration committee node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, a consensus instruction is sent to the court node, and uplink fixing is carried out at an arbitration committing node;
if the consensus processing fails at the court node, the court node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, the consensus instruction is sent to other mechanism nodes, and chain fixing is carried out at the court nodes;
if the hash verification fails at other mechanism nodes, the other mechanism nodes send the hash to the multi-party signature evidence fixed platform; if the Hash verification is successful, performing consensus processing on other mechanism nodes; if the consensus processing fails, other mechanism nodes send the Hash to a multi-party signature evidence fixed platform; if the common identification is successful, other mechanism nodes carry out signature processing and cochain fixing in sequence.
Through the Hash verification, no matter how much or less input information is, the mode can generate output with fixed size, and through irreversible mapping from a plaintext to a ciphertext, the original cannot be deduced from the ciphertext, so that the data privacy is ensured; by setting up cochain fixation, a user is guaranteed to upload own data encryption to a block chain for solidification, and in the process of forming a data index in the block chain, once the data is cochain, except that you authorize decryption, any person or organization has no ability to acquire your data, so that the absolute safety of the data is guaranteed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (1)
1. A fixed verification method for evidence after multi-party consensus signature is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: encrypting and performing Hash calculation on data, namely processing a plurality of groups of original data by adopting an encryption algorithm respectively, calculating Hash on the plurality of groups of original data processed by the encryption algorithm, and waiting for the next processing of the calculated Hash;
step two: processing by a multi-party signature evidence fixed platform, namely sending the hash obtained by calculation in the step one to the multi-party signature evidence fixed platform to be processed by the multi-party signature evidence fixed platform, wherein the processing sequentially comprises the steps of determining a consensus algorithm and determining a block chain network, and the block chain network sends the hash to a notarization department node, an arbitration committee node, a court node and other organization nodes respectively to wait for the next processing;
step three: node consensus, namely identity confirmation, hash verification, consensus processing, signature processing and chain fixing are respectively carried out on the hash at a notarization department node, an arbitration committee node, a court node and other institution nodes;
if the Hash verification fails at the notarization department node, the notarization department node sends the Hash to a multi-party signature evidence fixed platform; if the Hash verification is successful, carrying out consensus processing on nodes at the notarization position;
if the consensus processing fails, the notarization point node sends the Hash to a multi-party signature evidence fixed platform; if the consensus succeeds, the notarization node sequentially performs signature processing and cochain fixing, and sends a consensus instruction to the arbitration committee node;
if the consensus processing fails at the arbitration committee node, the arbitration committee node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, a consensus instruction is sent to the court node, and uplink fixing is carried out at an arbitration committing node;
if the consensus processing fails at the court node, the court node sends the hash to a multi-party signature evidence fixed platform; if the consensus processing is successful, signature processing is carried out, after the signature processing, the consensus instruction is sent to other mechanism nodes, and chain fixing is carried out at the court nodes;
if the hash verification fails at other mechanism nodes, the other mechanism nodes send the hash to the multi-party signature evidence fixed platform; if the Hash verification is successful, performing consensus processing on other mechanism nodes; if the consensus processing fails, other mechanism nodes send the Hash to a multi-party signature evidence fixed platform; if the common identification is successful, other mechanism nodes carry out signature processing and cochain fixing in sequence.
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| CN110781523B (en) * | 2019-10-29 | 2021-11-02 | 北京海益同展信息科技有限公司 | Method and apparatus for processing information |
| CN112383407B (en) * | 2020-09-22 | 2023-05-12 | 法信公证云（厦门）科技有限公司 | Block chain-based online notarization full-flow log processing method and system |
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