Patent
Data storage method, data node and storage medium
He Bin,Zhang Lei,Yang Yichen,Jiang Huachao +3 more
- 21 Jun 2019
6
TL;DR: In this paper, a data storage method consisting of Hash operation on original data to obtain a data Hash value; Encrypting the original data by using an encryption key to obtain encrypted data; Segmenting the encrypted data to get encrypted blocks; Performing Hash operation, the secret key information of the encryption secret key, the encryption block and the block Hash value to a block chain network.
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Abstract: The invention provides a data storage method, a data node and a storage medium. The data storage method comprises the following steps: carrying out Hash operation on original data to obtain a data Hash value; Encrypting the original data by using an encryption key to obtain encrypted data; Segmenting the encrypted data to obtain encrypted blocks; Performing Hash operation on the encrypted blocks to obtain block Hash values; Sending the data Hash value, the secret key information of the encryption secret key, the encryption block and the block Hash value to a block chain network, the block Hashvalue being used for the block chain network to verify the integrity of the encryption block, the key information of the encryption key is used for decrypting, encrypting and partitioning to recoverthe original data, and the key information of the encryption key and the data Hash value are jointly used for verifying the integrity of the original data.
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Citations
Patent
Financial security depository receipt system and method based on blockchain
Ma Qiang,Chai Li,Zou Yuening,Liu Bin,Wang Yang +4 more
- 11 Feb 2021
TL;DR: In this article, a financial security depository receipt system and method based on blockchain is presented, which consists of a blockchain, storage nodes, a data segmentation processor and a mobile terminal.
Patent
Ultra-large file return based on unidirectional data import equipment
Xue Hu,Tong Ying,Xiao Jingyuan,Zhong Ning +3 more
- 02 Oct 2020
TL;DR: In this article, an ultra-large file return based on unidirectional data import equipment, which realizes encrypted transmission of files and messages by using a one-time pad file message encryption technology and using a public and private key encryption technology for encryption passwords.
Patent
Data storage and transmission method and device based on identification technology
Wang Dong,Wang Junsheng,Pan Xiaoting,Lyu Zitong,Wang Huanjuan,Han Shaoqin +5 more
- 11 Aug 2020
TL;DR: In this article, a data storage and transmission method and device based on an identification technology was proposed, and the method comprises the steps: carrying out the asymmetric encryption of original data after the to-be-stored original data is obtained, obtaining encrypted data, and carrying out hash calculation of the identification of the original data, so as to obtain mark information; storing the encrypted data and the mark information, under the condition that query information of to be-queried original data was received, retrieving encrypted data indicated by the query information from stored data to obtain query encrypted data
Patent
Big data processing system and method for blockchain database
Zhu Xiaoliang,Wang Youlin +1 more
- 17 Jan 2020
TL;DR: In this paper, the authors proposed a big data processing system of the blockchain database consisting of a data acquisition module, a data splitting module, data splitting modules, a first sending module, first receiving module, and a second sending module.
Patent
E-commerce big data logistics supply chain control system based on artificial intelligence and block chain
Wang Weiming
- 27 Mar 2020
TL;DR: In this article, an e-commerce big data logistics supply chain control system based on artificial intelligence and a block chain is proposed, which consists of a data acquisition unit, a data storage unit, data processing unit and a data output unit.
References
Patent
Block-chain based P2P network cloud storage method in big data environment
Li Jiaxing,Chen Pinghua,Wu Jigang +2 more
- 17 Nov 2017
TL;DR: In this article, a block-chain based P2P network cloud storage method in the big data environment is characterized in that the related information of the stored file block rather than the file block per se is stored in the blockchain while encrypted file blocks are randomly stored in a computer around the user who needs the storage space.
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Patent
Distributed cloud storage system construction method based on block chain
Li Junzhuang
- 13 Oct 2017
TL;DR: In this article, a distributed cloud storage system construction method based on a block chain is presented, which comprises the following steps that firstly, a distributed storage system operation framework based on the block chain was constructed; secondly, a client edge node segments to-be-stored data of a client according to a platform file strategy; third, a system records addresses, sizes, hash codes and other metadata information of file blocks generated through segmentation in the second step; fourth, block packaging is conducted on file block metadata and file metadata, and the packaged block is connected with other
30
Patent
Cloud storage system based on user collaboration cloud
Zhu Xiaoshu,Wang Zhendong +1 more
- 11 Dec 2013
TL;DR: In this paper, the authors proposed a cloud storage system based on user collaboration cloud, where idle storage resources of the internet user can be fully utilized, on the basis of the P2P technology, the resources are organized, managed and scheduled according to cloud storage requirements through a distributed file system, file management service, the file storage service and the data safety guarantee are provided for the user, and the cloud storage which meets the user requirements is constructed.
24
Patent
File blocked storage method and system
Kang Kunbin,Lu Chengye +1 more
- 22 May 2018
TL;DR: In this paper, a file blocked storage method was proposed for block chain-based distributed storage, where a file is acquired through file distribution nodes on a block chain, and a plurality of file blocks of the file are generated.
16
Patent
Block-chain-based transaction consensus processing method and device, and electronic device
Deng Fuxi
- 15 Feb 2019
TL;DR: In this article, the authors proposed a transaction consensus processing method based on a block chain, where the master device divides the proposed transaction data into a specified number of data slices based on an erasure code algorithm.
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