CN111190959A - Data-based encryption method and system for block chain decentralized storage - Google Patents
Data-based encryption method and system for block chain decentralized storage Download PDFInfo
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- CN111190959A CN111190959A CN201911280101.8A CN201911280101A CN111190959A CN 111190959 A CN111190959 A CN 111190959A CN 201911280101 A CN201911280101 A CN 201911280101A CN 111190959 A CN111190959 A CN 111190959A
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- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
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Abstract
The invention provides a data-based encryption method and system for block chain decentralized storage. The block chain decentralized storage data-based encryption method comprises the following steps: s1: dividing a data packet to be stored into 21 unordered data packets in a node sequence in a mode of packaging an uplink by marking a hash value in a transaction block on a block chain; s2: marking a header hash of each data packet, and then forming a special hash table of the data packet; s3: the information is stored on the chain in a privacy public chain mode, and only a storage device or an owner accesses or authorizes the access; s4: the data packets are randomly stored in 21 devices of the decentralized network with the block chain address mark closest to the network. The encryption method and system based on data for block chain decentralized storage have the advantages of reasonable design, high safety and high stealing difficulty.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a data-based encryption method and system for decentralized storage of a block chain.
Background
Centralized proprietary data storage services are being replaced by decentralized distributed open data storage services; relying on the three-party trusted storage to be replaced by verifiable programmable trusted storage; fragile location addressing (IP) is replaced by flexible content addressing (IPFS); inefficient monolithic packaging services are replaced by the point-to-point algorithm storage market; bitcoin, etherhouse, and other blockchain networks have demonstrated the effectiveness of decentralizing trading books. These public ledgers handle complex intelligent contractual applications and encrypted assets that are transacted with values of hundreds of billions of dollars. The participants of these systems form a decentralized network without a central authority or trusted party that provides useful payment services, which is the first example of a wide range of internet open services. How to store data is also verified for ownership with blockchains, data distribution storage and granting access using intelligent contracts becomes the largest requirement in distributed storage data.
The encryption security of the existing block chain for decentralized storage of data is still to be improved, and the data is easy to be stolen.
Therefore, there is a need to provide a new method and system for block-chain decentralized storage of data-based encryption that solves the above-mentioned problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a data-based encryption method and system for decentralized storage of block chains, which are reasonable in design, high in safety and high in stealing difficulty.
In order to solve the above technical problem, the present invention provides a block chain decentralized storage data-based encryption method and system, comprising the following steps:
s1: dividing a data packet to be stored into 21 unordered data packets in a node sequence in a mode of packaging an uplink by marking a hash value in a transaction block on a block chain;
s2: marking a header hash of each data packet, and then forming a special hash table of the data packet;
s3: the information is stored on the chain in a privacy public chain mode, and only a storage device or an owner accesses or authorizes the access;
s4: the data packets are randomly stored in 21 devices of the decentralized network with the block chain address mark closest to the network.
Preferably, in S3, the single hash is scattered in the on-chain block of the transparent public chain, and is used for searching and retrieving the retrieval device.
Preferably, each device only has 1 data packet but cannot acquire a plurality of data packets, and when a plurality of data packets are acquired, the original data packets cannot be combined due to no complete hash value table, so that the privacy of the data is guaranteed, and the encryption of the data is completed.
The invention also provides a block chain decentralized storage data-based encryption system which comprises a data packet module, a data packet segmentation module, a data packet marking module, a hash table module, a storage chain module, decentralized network equipment and a network module.
Preferably, the data packet module, the data packet segmentation module, the data packet marking module, the hash table module, the storage chain module and the decentralized network device are all connected with the network module.
Preferably, the data packet module, the data packet segmentation module, the data packet marking module, the hash table module, the storage chain module and the decentralized network device are sequentially connected.
Compared with the related art, the encryption method and system based on data for block chain decentralized storage provided by the invention have the following beneficial effects:
the invention provides a data-based encryption method and system for block chain decentralized storage, which can effectively solve the problem of unclear ownership of the current data, return user and node data to the benefit of a data creator from a service provider, and greatly increase the privacy and the stealing difficulty of the data.
Drawings
FIG. 1 is a flow chart of a method for block-chain decentralized storage of data-based encryption in accordance with the present invention;
FIG. 2 is a schematic block diagram of a blockchain decentralized storage data-based encryption system according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a flow chart of a method for block chain decentralized storage of data-based encryption according to the present invention; FIG. 2 is a schematic block diagram of a blockchain decentralized storage data-based encryption system according to the present invention. The invention provides a data-based encryption method and system for block chain decentralized storage, which comprises the following steps:
s1: dividing a data packet to be stored into 21 unordered data packets in a node sequence in a mode of packaging an uplink by marking a hash value in a transaction block on a block chain;
s2: marking a header hash of each data packet, and then forming a special hash table of the data packet;
s3: the information is stored on the chain in a privacy public chain mode, and only a storage device or an owner accesses or authorizes the access;
s4: the data packets are randomly stored in 21 devices of the decentralized network with the block chain address mark closest to the network.
In S3, the single hash is scattered in the on-chain blocks of the transparent public chain, and is used for searching and retrieving the retrieval device.
Only 1 part of data packets exist in each device, so that a plurality of data packets cannot be obtained, and when the plurality of data packets are obtained, the original data packets cannot be combined due to the fact that a complete hash value table does not exist, so that privacy of data is guaranteed, and encryption of the data is completed.
The invention also provides a block chain decentralized storage data-based encryption system which comprises a data packet module, a data packet segmentation module, a data packet marking module, a hash table module, a storage chain module, decentralized network equipment and a network module.
The data packet module, the data packet segmentation module, the data packet marking module, the hash table module, the storage chain module and the decentralized network device are all connected with the network module.
The data packet module, the data packet segmentation module, the data packet marking module, the hash table module, the storage chain module and the decentralized network device are connected in sequence.
Compared with the related art, the encryption method and system based on data for block chain decentralized storage provided by the invention have the following beneficial effects:
the invention provides a data-based encryption method and system for block chain decentralized storage, which can effectively solve the problem of unclear ownership of the current data, return user and node data to the benefit of a data creator from a service provider, and greatly increase the privacy and the stealing difficulty of the data.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method for block chain decentralized storage of data-based encryption, comprising the steps of:
s1: dividing a data packet to be stored into 21 unordered data packets in a node sequence in a mode of packaging an uplink by marking a hash value in a transaction block on a block chain;
s2: marking a header hash of each data packet, and then forming a special hash table of the data packet;
s3: the information is stored on the chain in a privacy public chain mode, and only a storage device or an owner accesses or authorizes the access;
s4: the data packets are randomly stored in 21 devices of the decentralized network with the block chain address mark closest to the network.
2. The blockchain decentralized storage data-based encryption method according to claim 1, wherein in S3, the single hash is scattered in the chain blocks of the transparent public chain for search and retrieval of the retrieval device.
3. The method as claimed in claim 1, wherein each device has only 1 packet and cannot acquire multiple packets, and when multiple packets are acquired, the multiple packets cannot be combined into an original packet due to no complete hash table, so as to ensure privacy of data, thereby completing encryption of data.
4. A block chain decentralized storage data-based encryption system is characterized by comprising a data packet module, a data packet segmentation module, a data packet marking module, a hash table module, a storage chain module, decentralized network equipment and a network module.
5. The system of claim 4, wherein the packet module, the packet segmentation module, the packet tagging module, the hash table module, the memory chain module, and the decentralized network device are coupled to the network module.
6. The system of claim 4, wherein the packet module, the packet segmentation module, the packet tagging module, the hash table module, the memory chain module, and the decentralized network device are connected in sequence.
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| CN201911280101.8A CN111190959A (en) | 2019-12-13 | 2019-12-13 | Data-based encryption method and system for block chain decentralized storage |
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Cited By (2)
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| CN112215565A (en) * | 2020-09-25 | 2021-01-12 | 重庆市盈科物联网信息技术有限公司 | Traffic driving business handling method and system based on Internet + |
| CN113708936A (en) * | 2021-08-26 | 2021-11-26 | 南京邮电大学 | Block chain-based multiple scattered order verification method and system for personal information |
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