Multi-copy reliability verification method based on blockchain encryption
A verification method, blockchain technology, applied in the field of multi-copy reliability verification based on blockchain encryption, can solve problems such as multi-copy reliability verification, and achieve the effect of improving efficiency and accuracy
Active Publication Date: 2020-01-14
NORTHEASTERN UNIV
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However, there is no method to verify the reliability of multiple copies in the existing blockchain technology
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[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0040] Multi-copy reliability verification includes two parts of verification: first, verify the authenticity of the existence of multiple copies; in addition, verify the integrity of each copy data. The asymmetric encryption mechanism, block chain structure and P2P network of blockchain are just suitable for multi-copy reliability verification. The multi-copy reliability verification method based on block chain encryption of the present invention comprises the following steps:
[0041] Step 1: Build as figure 1 The shown multi-copy reliability verification framework based on blockchain encryption includes blockchain, client set S client ={c 1 ,c 2 ,...,c m ,...,c M}, server set S server ={s 1 ,s 2 ,...,s n ,...,s N}, verify the network;
[0042] Among them, c m is the mth client, M is the total number of clients, client set S cli...
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The invention relates to the technical field of computer block chains, and provides a multi-copy reliability verification method based on block chain encryption. The method comprises the following steps: firstly, constructing a multi-copy reliability verification framework based on blockchain encryption; then, selecting a main node, enabling the client to encrypt the original data for the first time, enabling the main node to use the data encrypted for the first time to generate N copies and encrypt the copies for the second time, then storing the encrypted copies in the server, and storing the extracted metadata in the blockchain; and finally, selecting a main node, verifying the authenticity of the existence of the plurality of copies by comparing whether the copies encrypted by using different copy marks in the encrypted copy set are the same, and verifying the data integrity of each copy by the main node by comparing whether the data abstracts extracted from the blockchain and theslave server are the same if no false copy exists. Verification of authenticity of multiple copies and data integrity of each copy can be realized, and verification efficiency and accuracy are improved.
Description
technical field [0001] The invention relates to the technical field of computer block chains, in particular to a multi-copy reliability verification method based on block chain encryption. Background technique [0002] Blockchain is a distributed database that maintains the same global state by nodes that do not trust each other, using technologies such as asymmetric encryption, block chain storage structure and P2P network. [0003] Blockchain realizes asymmetric encryption by generating public key and private key, which can mainly realize two functions: information encryption and data signature. During the information encryption process, the information sender A encrypts the information with the recipient B's public key and then sends it to B, and B uses his own private key to decrypt the information. During the digital signature process, the sender A encrypts the information with his private key and sends it to the recipient B, and B uses A's public key to decrypt the in...
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IPC IPC(8): H04L29/06H04L9/32G06F21/64G06F21/60
CPCH04L63/123H04L63/0478H04L63/12H04L9/3247G06F21/602G06F21/64H04L9/50
Inventor 信俊昌姚钟铭郝琨王之琼宋雨萌陈金义范子嘉罗艺栖
Owner NORTHEASTERN UNIV