CN114006690A - Data authorization method of block chain - Google Patents
Data authorization method of block chain Download PDFInfo
- Publication number
- CN114006690A CN114006690A CN202110002533.3A CN202110002533A CN114006690A CN 114006690 A CN114006690 A CN 114006690A CN 202110002533 A CN202110002533 A CN 202110002533A CN 114006690 A CN114006690 A CN 114006690A
- Authority
- CN
- China
- Prior art keywords
- data
- tables
- contents
- parts
- different
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H04L9/06—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
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
-
- 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
- G06F21/602—Providing cryptographic facilities or services
Abstract
The invention relates to the technical field of block chain data security, and discloses a data authorization method of a block chain, which comprises the following steps: the method comprises the following steps: splitting data needing to be stored into three parts, and performing field integration according to an equal division rule; a third portion of the multi-divisible data; step two: the data split into three parts is encrypted independently, the encryption mode can adopt an MD5 encryption mode to encrypt, and the encrypted data are respectively put into a table 1, a table 2 and a table 3 in a database; step three: when the data in the table needs to be called, the query can be carried out according to the original field. According to the data authorization method of the block chain, different fields in different data tables in different folders are encrypted independently and then are put into the tables for storage after encryption, so that data taken out of each table are confidential data, and data in a plurality of tables cannot be taken out and restored, and therefore safety can be further improved.
Description
Technical Field
The invention relates to the technical field of block chain data security, in particular to a data authorization method of a block chain.
Background
Blockchains are a term of art in information technology. Essentially, the system is a shared database, the data or information stored in the database has the characteristics of ' unforgeable ', ' trace in the whole process ', ' traceable ', ' transparent open ', collective maintenance ' and the like, based on the characteristics, the block chain technology lays a solid ' trust ' foundation, creates a reliable ' cooperation ' mechanism, and has wide application prospect
When the existing block chain system transmits user information to a database, the whole segment of characters are encrypted and then placed in a table, once data in the table is leaked, the content in the table is completely leaked, and the safety is not high; in addition, the integral encryption mode can be cracked through repeated mechanical decryption, and the condition that the existing data in a single database is very dangerous for the existing data is further determined, so that the invention provides a data authorization method of a block chain to solve the problems.
Disclosure of Invention
The invention provides a data authorization method of a block chain, which has the advantages of higher safety of field splitting sub-table storage and further improvement of data safety by MD5 encryption and solves the problems in the background technology.
The invention provides the following technical scheme: a data authorization method of a block chain comprises the following steps:
the method comprises the following steps:
splitting data needing to be stored into three parts, and performing field integration according to an equal division rule; a third portion of the multi-divisible data;
step two:
the data split into three parts is encrypted independently, the encryption mode can adopt an MD5 encryption mode to encrypt, and the encrypted data are respectively put into a table 1, a table 2 and a table 3 in a database;
step three:
when the data in the table needs to be called, the data can be inquired according to the original field, the inquired data covers the contents in the tables 1, 2 and 3, at this time, whether the contents in the tables 1, 2 and 3 come from the same place is compared again, and if the contents in the tables 1, 2 and 3 come from the same place, the contents in the tables 1, 2 and 3 can be judged to be the contents to be extracted;
step four:
the contents called from table 1, table 2 and table 3 are decrypted by again performing MD5 encryption data, and the decrypted contents are the data before splitting.
Preferably, the rule of dividing all characters into three parts according to the number of characters of the data and placing the three parts in table 1, table 2 and table 3, and placing the more than three parts in table 3.
Preferably, the MD5 is a fixed length of data, i.e. 128-bit binary data composed of "0" and "1", whose MD5 value is 128-bit no matter how long or short the original data is, and the MD5 value of one original data is unique, and it is impossible for the same original data to calculate a plurality of different MD5 values.
Preferably, the whole data is stored in a split mode and encrypted, so that the risk of whole data leakage can be greatly reduced, the segmented data is more difficult to decrypt, the data in the tables 1, 2 and 3 can not be arranged when being taken alone, and the data security is further improved.
Preferably, an integral field is split into a plurality of fields, and the fields are respectively placed in tables of different folders, so that data can be stored in a plurality of places and cannot be restored when the database is stolen, and the safety can be guaranteed.
Preferably, different fields inside different data tables in different folders are encrypted separately and then are put into the tables for storage after encryption, so that data taken out of each table is confidential data, and data in a plurality of tables cannot be taken out and restored, thereby further improving the security.
The invention has the following beneficial effects:
1. according to the data authorization method of the block chain, an integral field is divided into a plurality of fields, and the fields are respectively placed in the tables of different folders, so that data can be stored in a plurality of places and cannot be restored when the database is stolen, and therefore the safety can be guaranteed.
2. According to the data authorization method of the block chain, different fields in different data tables in different folders are encrypted independently and then are put into the tables for storage after encryption, so that data taken out of each table are confidential data, and data in a plurality of tables cannot be taken out and restored, and therefore safety can be further improved.
Drawings
Fig. 1 is a schematic diagram of the working principle of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1, a method for authorizing data of a block chain includes the following steps:
the method comprises the following steps:
splitting data needing to be stored into three parts, and performing field integration according to an equal division rule; a third portion of the multi-divisible data;
step two:
the data split into three parts is encrypted independently, the encryption mode can adopt an MD5 encryption mode to encrypt, and the encrypted data are respectively put into a table 1, a table 2 and a table 3 in a database;
step three:
when the data in the table needs to be called, the data can be inquired according to the original field, the inquired data covers the contents in the tables 1, 2 and 3, at this time, whether the contents in the tables 1, 2 and 3 come from the same place is compared again, and if the contents in the tables 1, 2 and 3 come from the same place, the contents in the tables 1, 2 and 3 can be judged to be the contents to be extracted;
step four:
the contents called from table 1, table 2 and table 3 are decrypted by again performing MD5 encryption data, and the decrypted contents are the data before splitting.
The rule of dividing the data into three parts is to divide all the characters into three parts according to the number of the characters of the data and put them in table 1, table 2 and table 3, and the parts more than three parts are put in table 3.
MD5 is a fixed length of data, i.e. 128-bit binary data consisting of "0" and "1", whose MD5 value is 128-bit no matter how long or short the original data is, and the MD5 value of one original data is unique, and it is impossible for the same original data to calculate multiple different MD5 values.
Through carrying out the split with whole section data and storing and encrypting, can reduce whole data whole risk of revealing so by a wide margin to the data of segmentation is more difficult when carrying out the deciphering, and the data in table 1, table 2 and table 3 are taken alone and can't be arranged, and data security further improves.
The field of the whole is split into the fields, and the fields are respectively placed in the forms of different folders, so that the data can be stored in multiple positions and cannot be restored when the database is stolen, and the safety can be ensured.
Different fields in different data tables in different folders are encrypted independently and then are put into the tables for storage after encryption, so that the data taken out of each table are confidential data, and the data in a plurality of tables cannot be taken out and restored, thereby further improving the safety.
It is noted that, herein, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A data authorization method of a block chain is characterized by comprising the following steps:
the method comprises the following steps:
splitting data needing to be stored into three parts, and performing field integration according to an equal division rule; a third portion of the multi-divisible data;
step two:
the data split into three parts is encrypted independently, the encryption mode can adopt an MD5 encryption mode to encrypt, and the encrypted data are respectively put into a table 1, a table 2 and a table 3 in a database;
step three:
when the data in the table needs to be called, the data can be inquired according to the original field, the inquired data covers the contents in the tables 1, 2 and 3, at this time, whether the contents in the tables 1, 2 and 3 come from the same place is compared again, and if the contents in the tables 1, 2 and 3 come from the same place, the contents in the tables 1, 2 and 3 can be judged to be the contents to be extracted;
step four:
the contents called from table 1, table 2 and table 3 are decrypted by again performing MD5 encryption data, and the decrypted contents are the data before splitting.
2. The method of claim 1, wherein the method comprises: the rule of dividing all characters into three parts according to the number of the characters of the data and placing the three parts in table 1, table 2 and table 3, and the parts more than three parts are placed in table 3.
3. The method of claim 1, wherein the method comprises: the MD5 is a fixed length of data, namely a 128-bit binary piece of data consisting of "0" and "1", and the MD5 value of the original data is 128 bits no matter how long or how short the original data is, and the MD5 value of one original data is unique, and it is impossible for the same original data to calculate a plurality of different MD5 values.
4. The method of claim 1, wherein the method comprises: through carrying out the split with whole section data and storing and encrypting, can reduce whole data whole risk of revealing so by a wide margin to the data of segmentation is more difficult when carrying out the deciphering, and the data in table 1, table 2 and table 3 are taken alone and can't be arranged, and data security further improves.
5. The method of claim 1, wherein the method comprises: the field of the whole is split into the fields, and the fields are respectively placed in the forms of different folders, so that the data can be stored in multiple positions and cannot be restored when the database is stolen, and the safety can be ensured.
6. The method of claim 1, wherein the method comprises: different fields in different data tables in different folders are encrypted independently and then are put into the tables for storage after encryption, so that the data taken out of each table are confidential data, and the data in a plurality of tables cannot be taken out and restored, thereby further improving the safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002533.3A CN114006690A (en) | 2021-01-04 | 2021-01-04 | Data authorization method of block chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002533.3A CN114006690A (en) | 2021-01-04 | 2021-01-04 | Data authorization method of block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114006690A true CN114006690A (en) | 2022-02-01 |
Family
ID=79920839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110002533.3A Pending CN114006690A (en) | 2021-01-04 | 2021-01-04 | Data authorization method of block chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114006690A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170193233A1 (en) * | 2016-01-06 | 2017-07-06 | Thomas Lorini | System and method for data segmentation and distribution across multiple cloud storage points |
| CN108664223A (en) * | 2018-05-18 | 2018-10-16 | 百度在线网络技术（北京）有限公司 | A kind of distributed storage method, device, computer equipment and storage medium |
| US10114969B1 (en) * | 2015-08-04 | 2018-10-30 | Jordan White Chaney | Ultra-secure blockchain-based electronic information transfer system |
| CN109492412A (en) * | 2018-10-31 | 2019-03-19 | 上海爱优威软件开发有限公司 | The encryption storage method and system of file |
| CN109902494A (en) * | 2019-01-24 | 2019-06-18 | 北京融链科技有限公司 | Data encryption storage method, device and document storage system |
| CN111193798A (en) * | 2019-12-31 | 2020-05-22 | 山东公链信息科技有限公司 | Distributed storage technology for scattered encrypted and scattered stored pictures |
| CN111427897A (en) * | 2020-03-13 | 2020-07-17 | 安徽高山科技有限公司 | Data storage management method on block chain |
| CN112016110A (en) * | 2020-09-01 | 2020-12-01 | 三星电子（中国）研发中心 | Method, device, equipment and storage medium for storing data |
-
2021
- 2021-01-04 CN CN202110002533.3A patent/CN114006690A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10114969B1 (en) * | 2015-08-04 | 2018-10-30 | Jordan White Chaney | Ultra-secure blockchain-based electronic information transfer system |
| US20170193233A1 (en) * | 2016-01-06 | 2017-07-06 | Thomas Lorini | System and method for data segmentation and distribution across multiple cloud storage points |
| CN108664223A (en) * | 2018-05-18 | 2018-10-16 | 百度在线网络技术（北京）有限公司 | A kind of distributed storage method, device, computer equipment and storage medium |
| CN109492412A (en) * | 2018-10-31 | 2019-03-19 | 上海爱优威软件开发有限公司 | The encryption storage method and system of file |
| CN109902494A (en) * | 2019-01-24 | 2019-06-18 | 北京融链科技有限公司 | Data encryption storage method, device and document storage system |
| CN111193798A (en) * | 2019-12-31 | 2020-05-22 | 山东公链信息科技有限公司 | Distributed storage technology for scattered encrypted and scattered stored pictures |
| CN111427897A (en) * | 2020-03-13 | 2020-07-17 | 安徽高山科技有限公司 | Data storage management method on block chain |
| CN112016110A (en) * | 2020-09-01 | 2020-12-01 | 三星电子（中国）研发中心 | Method, device, equipment and storage medium for storing data |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10778427B2 (en) | Method and apparatus for encrypting and decrypting product information | |
| CN111130757B (en) | Multi-cloud CP-ABE access control method based on block chain | |
| CN103731432B (en) | Multi-user supported searchable encryption method | |
| CN102014133B (en) | Method for implementing safe storage system in cloud storage environment | |
| CN106548353B (en) | Commodity anti-counterfeiting code generation and verification method | |
| CN103067170B (en) | encrypting method based on EXT2 file system | |
| CN108768990A (en) | It is a kind of that encryption method can search for based on block chain | |
| KR20130039354A (en) | Database management system and encrypting method thereof | |
| CN101465727B (en) | Method for ensuring communication safety, network appliance, device and communication system | |
| CN103378971B (en) | A kind of data encryption system and method | |
| CN106888080A (en) | Protection whitepack feistel network implementations are in case fault analysis | |
| CN111274599A (en) | Data sharing method based on block chain and related device | |
| CN110704858A (en) | Data security storage method and system under distributed environment | |
| CN111859446A (en) | Agricultural product traceability information sharing-privacy protection method and system | |
| CN114327261B (en) | Data file storage method and data security agent | |
| CN103607273B (en) | A kind of data file encipher-decipher method controlled based on time limit | |
| CN104601820A (en) | Mobile terminal information protection method based on TF password card | |
| CN1588365A (en) | Ciphertext global search technology | |
| CN103973698A (en) | User access right revoking method in cloud storage environment | |
| CN102480353A (en) | Method of password authentication and secret key protection | |
| CN104866738A (en) | Program code protection method and device | |
| CN114006690A (en) | Data authorization method of block chain | |
| CN1558580B (en) | A network data safety protection method based on cryptography | |
| CN100486157C (en) | Distribution type data encryption method | |
| CN105790928A (en) | File segmenting method based on digital abstract |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |