CN109871296A - A kind of data back up method and system, data reconstruction method and system and mobile terminal - Google Patents
A kind of data back up method and system, data reconstruction method and system and mobile terminal Download PDFInfo
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- CN109871296A CN109871296A CN201811583962.9A CN201811583962A CN109871296A CN 109871296 A CN109871296 A CN 109871296A CN 201811583962 A CN201811583962 A CN 201811583962A CN 109871296 A CN109871296 A CN 109871296A
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Abstract
The invention discloses a kind of data back up method and system, data reconstruction method and system and mobile terminals, wherein data back up method includes: to be merged using compression algorithm to source data and compression processing, to generate the first source data file of compression, and digest calculations are carried out, to obtain the first summary data；Computations are carried out to the first summary data, to obtain the first encryption data；The attribute information of source data and the first encryption data are packaged, to obtain the first check information data；First check information data are written in the first source data file of the compression, to generate backup file, complete data backup.The present invention is using compression algorithm and digital digest and encryption technology, compress backup file is made a summary and encrypted, and by verification information together with compress backup file mergences, so that backup file has good safety, anti-tamper forgery, and facilitates management, ensure that the safety and integrality for being resumed system data.
Description
Technical field
The present invention relates to technical field of data administration, and more particularly, to a kind of data back up method and system, number
According to restoration methods and system and mobile terminal.
Background technique
Computer software can lead to loss of data due to the factors such as operation error, the system failure or accidental cause, number
According to backup and restore it is indispensable, the safety of Backup Data is particularly important, especially by network environment upload be downloaded into
When the Backup and Restore of row data, to be possible to incomplete in view of Backup Data and lose even by people's malicious modification, after leading to recovery
System be not normally functioning or data and restore before it is inconsistent.
Therefore, it is necessary to the methods that one kind can safely, completely be managed data.
Summary of the invention
The present invention proposes a kind of data back up method and system, data reconstruction method and system and mobile terminal, to solve
How safely, the problem of completely data being managed.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of data back up method, feature exist
In, which comprises
Source data is merged using compression algorithm and compression processing, to generate the first source data file of compression；
Digest calculations are carried out to the first source data file of the compression, to obtain the first summary data；
Computations are carried out to first summary data using Encryption Algorithm, to obtain the first encryption data；
The attribute information of the source data and first encryption data are packaged according to preset organized formats, with
Obtain the first check information data；
By the first check information data according to additional the first source number for being written to the compression of preset writing position
According in file, to generate backup file, data backup is completed.
Preferably, wherein the Encryption Algorithm includes: symmetric encipherment algorithm and rivest, shamir, adelman.
Preferably, wherein the attribute information of the source data includes: source data title, according to general description, backup date, big
Small and storage address.
According to another aspect of the present invention, a kind of data reconstruction method is provided, which is characterized in that the method packet
It includes:
The second source data file of the second check information data and compression is extracted from the backup file of acquisition, and to institute
It states the second check information data to be parsed, to obtain the second encryption data；
Digest calculations are carried out to the second source data file of the compression, to obtain the second summary data；
Second encryption data is decrypted using decipherment algorithm, to obtain third summary data, and by described
Three summary datas and the second summary data are compared, to verify the correctness of the second source data file of the compression；
When the third summary data and consistent the second summary data, the second source data file of the compression is indicated
Correctness then carries out decompression processing to the second source data file of the compression by verifying, to obtain source data, completes data
Restore.
Preferably, wherein the second check information data further include: the attribute information of source data, the category of the source data
Property information includes: source data title, according to general description, backup date, size and storage address.
Preferably, wherein the method also includes:
When second encryption data is decrypted using decipherment algorithm, when decryption failure；Or the third obtained
When summary data and inconsistent the second summary data, data recovery procedure is interrupted, and returned data restores miscue message.
According to a further aspect of the invention, the present invention provides a kind of data backup systems, which is characterized in that the system
System includes:
The source data file generation unit of compression, for being merged using compression algorithm to source data and compression processing,
To generate the first source data file of compression；
First summary data acquiring unit, for carrying out digest calculations to the first source data file of the compression, to obtain
Take the first summary data；
First encryption data acquiring unit, for carrying out computations to first summary data using Encryption Algorithm,
To obtain the first encryption data；
First check information data capture unit, for by the attribute information of the source data and first encryption data
It is packaged according to preset organized formats, to obtain the first check information data；
Backup file generating unit, for the first check information data to be written according to preset writing position is additional
Into the first source data file of the compression, to generate backup file, data backup is completed.
Preferably, wherein the Encryption Algorithm includes: symmetric encipherment algorithm and rivest, shamir, adelman.
Preferably, wherein the attribute information of the source data includes: source data title, according to general description, backup date, big
Small and storage address.
According to a further aspect of the invention, the present invention provides a kind of data recovery systems, which is characterized in that the system
System includes:
Second encryption data acquiring unit, for extracting the second check information data and pressure from the backup file of acquisition
Second source data file of contracting, and the second check information data are parsed, to obtain the second encryption data；
Second summary data acquiring unit, for carrying out digest calculations to the second source data file of the compression, to obtain
Take the second summary data；
Authentication unit, for second encryption data to be decrypted using decipherment algorithm, to obtain third abstract number
According to, and the third summary data and the second summary data are compared, to verify the second source data file of the compression
Correctness；
Source data recovery unit, for indicating the pressure when the third summary data and consistent the second summary data
The correctness of second source data file of contracting then carries out decompression processing to the second source data file of the compression by verifying,
To obtain source data, completes data and restore.
Preferably, wherein the second check information data further include: the attribute information of source data, the category of the source data
Property information includes: source data title, according to general description, backup date, size and storage address.
Preferably, wherein the system also includes:
Message notifying unit, for second encryption data to be decrypted when using decipherment algorithm, when decryption fails；
Or obtain the third summary data and inconsistent the second summary data when, data recovery procedure interruption, and returned data is extensive
Multiple miscue message.
The present invention provides a kind of data back up method and system, data reconstruction method and system and mobile terminal, into
When row data backup, using compression algorithm and digital digest and encryption technology, the backup file of compression is made a summary and added
Close processing, and by verification information data together with the backup file mergences of compression, check information data are not easy to lose, can also be square
Extracting just, so that backup file has good safety；By comparing the first source data file to the compression
The obtained summary data of digest calculations and the summary data decrypted using decipherment algorithm are carried out, the source data text of compression is verified
The correctness of part, to guarantee that file data to be restored is not modified；The present invention guarantees the complete of data in data backup procedure
Whole property and can not tamper, the integrality of data is verified in data recovery procedure and is not tampered with, and facilitates management, guarantee
It is resumed the safety and integrality of system data.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is the flow chart according to the method 100 of the data backup of embodiment of the present invention；
Fig. 2 is the flow chart for the method 200 restored according to the data of embodiment of the present invention；
Fig. 3 is the structural schematic diagram according to the system 300 of the data backup of embodiment of the present invention；
Fig. 4 is the structural schematic diagram for the system 400 restored according to the data of embodiment of the present invention；And
Fig. 5 is the structural schematic diagram according to the mobile terminal 500 of embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
The present invention provides a kind of data back up method and system, data reconstruction method and system and mobile terminal, into
When row data backup, using compression algorithm and digital digest and encryption technology, the backup file of compression is made a summary and added
Close processing, and by verification information data together with the backup file mergences of compression, check information data are not easy to lose, can also be square
Extracting just, so that backup file has good safety；By comparing the first source data file to the compression
The obtained summary data of digest calculations and the summary data decrypted using decipherment algorithm are carried out, the source data text of compression is verified
The correctness of part, to guarantee that file data to be restored is not modified；The present invention guarantees the complete of data in data backup procedure
Whole property and can not tamper, the integrality of data is verified in data recovery procedure and is not tampered with, and facilitates management, guarantee
It is resumed the safety and integrality of system data.
Fig. 1 is the flow chart according to the method 100 of the data backup of embodiment of the present invention.As shown in Figure 1, of the invention
Embodiment provide data back up method 100 since step 101 place, step 101 using compression algorithm to source data into
Row merges and compression processing, to generate the first source data file of compression.
Preferably, digest calculations are carried out in first source data file of the step 102 to the compression, to obtain the first abstract
Data.
Preferably, computations are carried out to first summary data using Encryption Algorithm in step 103, to obtain first
Encryption data.
Preferably, wherein the Encryption Algorithm includes: symmetric encipherment algorithm and rivest, shamir, adelman.
Preferably, in step 104 by the attribute information of the source data and first encryption data according to preset group
It knits format to be packaged, to obtain the first check information data.
Preferably, wherein the attribute information of the source data includes: source data title, according to general description, backup date, big
Small and storage address.
Preferably, the first check information data are written to institute according to preset writing position is additional in step 105
It states in the first source data file of compression, to generate backup file, completes data backup.
In embodiments of the present invention, data backup procedure includes: the data for obtaining from system and needing to back up；To need
The data to be backed up are merged and are compressed using compression algorithm, generate a compress backup file；To compress backup file into
Row digest calculations obtain digest value；Computations are carried out to digest value using Encryption Algorithm, obtain secret value；By secret value and
The attribute information for the data for needing to back up forms check information data by preset format organization；Wherein, organized formats are according to need
It is defined；Check information is added and is written to compress backup file specific position and saves, backup procedure terminates.
In above-mentioned backup procedure, Encryption Algorithm includes but is not limited to symmetry algorithm and asymmetric arithmetic, computations institute
Depending module and key etc. by carry out data backup and resume system administration；Organized formats be easy for parse and identify, with
It can be extracted according to characteristic value or fixed position after facilitating write-in file.
Fig. 2 is the flow chart for the method 200 restored according to the data of embodiment of the present invention.As shown in Fig. 2, of the invention
The data reconstruction method 200 that embodiment provides is extracted from the backup file of acquisition since step 201 place in step 201
Second source data file of the second check information data and compression out, and the second check information data are parsed, with
Obtain the second encryption data.
Preferably, wherein the second check information data further include: the attribute information of source data, the category of the source data
Property information includes: source data title, according to general description, backup date, size and storage address.
Preferably, digest calculations are carried out in second source data file of the step 202 to the compression, to obtain the second abstract
Data.
Preferably, second encryption data is decrypted using decipherment algorithm in step 203, to obtain third abstract
Data, and the third summary data and the second summary data are compared, to verify the second source data text of the compression
The correctness of part.
Preferably, the compression is indicated when the third summary data and consistent the second summary data in step 204
The correctness of second source data file then carries out decompression processing to the second source data file of the compression, to obtain by verifying
Source data is taken, data is completed and restores.
Preferably, wherein the method also includes:
When second encryption data is decrypted using decipherment algorithm, when decryption failure；Or the third obtained
When summary data and inconsistent the second summary data, data recovery procedure is interrupted, and returned data restores miscue message.
In embodiments of the present invention, the process that data are restored includes: to upload backup file into system；From backup text
The source data file of check information and compression is extracted in part, and parses secret value from the check information；To the source of compression
Data file carries out digest calculations, obtains the first digest value；Secret value is decrypted, obtains the second digest value, and will be described
Second digest value and the first digest value are compared, to verify the correctness of the source data file of the compression；If being proved to be successful,
Then the source data file of the compression is decompressed to obtain source data, and the source data is saved in systems, data
Recovery process terminates.
If decryption failure or the third summary data obtained and the second summary data are inconsistent, illustrate the source number of compression
Incorrect according to file, data recovery procedure interrupts, and returned data restores miscue message.
The method that the data backup and data that embodiments of the present invention provide restore is by merging pressure to source data
Contracting generates a compressed file, can reduce Backup Data volume, facilitate management.To the digest calculations of the source data file of compression
As a result not additional to save, secret value is only saved, so that compress backup file can not be distorted and be forged.The group of check information data
Knit what format was easy for parsing and identify, can extract according to characteristic value or fixed position after facilitating write-in file.It will
Secret value is written in the source data file of compression as verification information and forms one with the source data file of compression, so that school
It tests information data and what be can be convenient extracts.
Fig. 3 is the structural schematic diagram according to the system 300 of the data backup of embodiment of the present invention.As shown in figure 3, this hair
The data backup system 300 that bright embodiment provides, comprising: the abstract number of source data file generation unit 301, first of compression
It is raw according to acquiring unit 302, the first encryption data acquiring unit 303, the first check information data capture unit 304 and backup file
At unit 305.Preferably, the source data file generation unit 301 of the compression, for being carried out using compression algorithm to source data
Merging and compression processing, to generate the first source data file of compression.
Preferably, the first summary data acquiring unit 302, for the first source data file progress to the compression
Digest calculations, to obtain the first summary data.
Preferably, the first encryption data acquiring unit 303, for utilizing Encryption Algorithm to first summary data
Computations are carried out, to obtain the first encryption data.
Preferably, wherein the Encryption Algorithm includes: symmetric encipherment algorithm and rivest, shamir, adelman.
Preferably, the first check information data capture unit 304, for by the attribute information of the source data and institute
It states the first encryption data to be packaged according to preset organized formats, to obtain the first check information data.
Preferably, wherein the attribute information of the source data includes: source data title, according to general description, backup date, big
Small and storage address.
Preferably, the backup file generating unit 305, for writing the first check information data according to preset
Enter that position is additional to be written in the first source data file of the compression, to generate backup file, completes data backup.
Fig. 4 is the structural schematic diagram for the system 400 restored according to the data of embodiment of the present invention.As shown in figure 4, this hair
The data recovery system 400 that bright embodiment provides, comprising: the second encryption data acquiring unit 401, the second summary data obtain
Take unit 402, authentication unit 403 and source data recovery unit 404.Preferably, the second encryption data acquiring unit 401,
For extracting the second source data file of the second check information data and compression from the backup file of acquisition, and to described the
Two verification information datas are parsed, to obtain the second encryption data.
Preferably, wherein the second check information data further include: the attribute information of source data, the category of the source data
Property information includes: source data title, according to general description, backup date, size and storage address.
Preferably, the second summary data acquiring unit 402, for the second source data file progress to the compression
Digest calculations, to obtain the second summary data.
Preferably, the authentication unit 403, for second encryption data to be decrypted using decipherment algorithm, with
Third summary data is obtained, and the third summary data and the second summary data are compared, to verify the compression
The correctness of second source data file.
Preferably, the source data recovery unit 404, it is consistent for working as the third summary data and the second summary data
When, the correctness of the second source data file of the compression is indicated by verifying, then to the second source data file of the compression
Decompression processing is carried out, to obtain source data, data is completed and restores.
Preferably, wherein the system also includes message notifying unit, for when using decipherment algorithm to described second plus
Ciphertext data is decrypted, when decryption fails；Or obtain the third summary data and inconsistent the second summary data when, data
Recovery process is interrupted, and returned data restores miscue message.
The side of the data backup of the system 300 and another embodiment of the invention of the data backup of the embodiment of the present invention
Method 100 is corresponding, and details are not described herein.
The side that the data of system 400 and another embodiment of the invention that the data of the embodiment of the present invention are restored are restored
Method 200 is corresponding, and details are not described herein.
Fig. 5 is the structural schematic diagram according to the mobile terminal 500 of embodiment of the present invention.As shown in figure 5, including such as taking up an official post
Data recovery system described in data backup system 300 described in one technical solution and/or any of the above-described technical solution
400。
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above equally fall in it is of the invention
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (13)
1. a kind of data back up method, which is characterized in that the described method includes:
Source data is merged using compression algorithm and compression processing, to generate the first source data file of compression；
Digest calculations are carried out to the first source data file of the compression, to obtain the first summary data；
Computations are carried out to first summary data using Encryption Algorithm, to obtain the first encryption data；
The attribute information of the source data and first encryption data are packaged according to preset organized formats, to obtain
First check information data；
By the first check information data according to additional the first source data text for being written to the compression of preset writing position
In part, to generate backup file, data backup is completed.
2. the method according to claim 1, wherein the Encryption Algorithm includes: symmetric encipherment algorithm and non-right
Claim Encryption Algorithm.
3. the method according to claim 1, wherein the attribute information of the source data include: source data title,
According to general description, backup date, size and storage address.
4. a kind of data reconstruction method, which is characterized in that the described method includes:
The second source data file of the second check information data and compression is extracted from the backup file of acquisition, and to described the
Two verification information datas are parsed, to obtain the second encryption data；
Digest calculations are carried out to the second source data file of the compression, to obtain the second summary data；
Second encryption data is decrypted using decipherment algorithm, to obtain third summary data, and the third is plucked
Data and the second summary data are wanted to be compared, to verify the correctness of the second source data file of the compression；
When the third summary data and consistent the second summary data, the correct of the second source data file of the compression is indicated
Property by verifying, then decompression processing is carried out to the second source data file of the compression, to obtain source data, it is extensive to complete data
It is multiple.
5. according to the method described in claim 4, it is characterized in that, the second check information data further include: source data
Attribute information, the attribute information of the source data include: source data title, according to general description, backup date, size and storage ground
Location.
6. according to the method described in claim 4, it is characterized in that, the method also includes:
When second encryption data is decrypted using decipherment algorithm, when decryption failure；Or the third abstract obtained
When data and the second summary data are inconsistent, data recovery procedure is interrupted, and returned data restores miscue message.
7. a kind of data backup system, which is characterized in that the system comprises:
The source data file generation unit of compression, for being merged using compression algorithm to source data and compression processing, with life
At the first source data file of compression；
First summary data acquiring unit, for carrying out digest calculations to the first source data file of the compression, to obtain the
One summary data；
First encryption data acquiring unit, for carrying out computations to first summary data using Encryption Algorithm, to obtain
Take the first encryption data；
First check information data capture unit, for by the attribute information of the source data and first encryption data according to
Preset organized formats are packaged, to obtain the first check information data；
Backup file generating unit, for the first check information data to be written to institute according to preset writing position is additional
It states in the first source data file of compression, to generate backup file, completes data backup.
8. system according to claim 7, which is characterized in that the Encryption Algorithm includes: symmetric encipherment algorithm and non-right
Claim Encryption Algorithm.
9. system according to claim 7, which is characterized in that the attribute information of the source data include: source data title,
According to general description, backup date, size and storage address.
10. a kind of data recovery system, which is characterized in that the system comprises:
Second encryption data acquiring unit, for extracting the second check information data and compression from the backup file of acquisition
Second source data file, and the second check information data are parsed, to obtain the second encryption data；
Second summary data acquiring unit, for carrying out digest calculations to the second source data file of the compression, to obtain the
Two summary datas；
Authentication unit, for second encryption data to be decrypted using decipherment algorithm, to obtain third summary data, and
The third summary data and the second summary data are compared, with verify the compression the second source data file it is correct
Property；
Source data recovery unit, for indicating the compression when the third summary data and consistent the second summary data
The correctness of second source data file then carries out decompression processing to the second source data file of the compression, to obtain by verifying
Source data is taken, data is completed and restores.
11. system according to claim 11, which is characterized in that the second check information data further include: source data
Attribute information, the attribute information of the source data includes: source data title, according to general description, backup date, size and storage
Address.
12. system according to claim 11, which is characterized in that the system also includes:
Message notifying unit, for second encryption data to be decrypted when using decipherment algorithm, when decryption fails；Or it obtains
When the third summary data and inconsistent the second summary data that take, data recovery procedure is interrupted, and returned data restores wrong
Accidentally prompting message.
13. a kind of mobile terminal, which is characterized in that including the data backup system as described in any one of claim 7 to 9,
And/or the data recovery system as described in any one of claim 10 to 12.
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| CN111967027A (en) * | 2020-07-27 | 2020-11-20 | 北京尖晶尖科技有限公司 | Method and device for safely storing and efficiently recovering data and computer equipment |
| CN111967027B (en) * | 2020-07-27 | 2022-12-02 | 北京尖晶尖科技有限公司 | Method and device for safely storing and efficiently recovering data and computer equipment |
| CN115357295A (en) * | 2022-10-21 | 2022-11-18 | 荣耀终端有限公司 | System rollback method, device and storage medium |
| CN115357295B (en) * | 2022-10-21 | 2023-03-31 | 荣耀终端有限公司 | System rollback method, device and storage medium |
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