CN106055987A - Data storage method, data reading method and device - Google Patents
Data storage method, data reading method and device Download PDFInfo
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- CN106055987A CN106055987A CN201610325959.1A CN201610325959A CN106055987A CN 106055987 A CN106055987 A CN 106055987A CN 201610325959 A CN201610325959 A CN 201610325959A CN 106055987 A CN106055987 A CN 106055987A
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- 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
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Abstract
The invention discloses a data storage method which comprises the steps that a cloud disk storage request sent out by a user is received, wherein the cloud disk storage request comprises document data and a library password of a library in which the document data is located; a library identification code of the library is acquired, the library identification code and the library password are encrypted, and an encrypted library identifier is obtained; the document data is encrypted, and encrypted document data is obtained; and the library identification code, the encrypted library identification and the encrypted document data are uploaded to a cloud disk server for corresponding storage. Correspondingly, the invention also discloses a data reading method and a device. By the data storage method, the data reading method and the device disclosed by the embodiment of the invention, the data storage becomes safer; operations are simple; and user experience is improved.
Description
Technical field
The present invention relates to field of cloud computer technology, particularly relate to a kind of date storage method, method for reading data and device.
Background technology
Cloud disk, also known as Dropbox, is as the appearance of cloud computing technology, what Internet firm released provide a user with file
Storage, access, share etc. the online cloud storage platform of file management facilities, have that safety and stability, memory capacity is high, user
Just feature.At present, cloud disk has been achieved for developing on a large scale very much as one typical cloud storage application model, has very both at home and abroad
Many cloud storages service provider is proposed the cloud disk product for enterprise, team or individual.
In real world applications, a cloud disk product is typically by the server end of bottom storage data, for the service of user operation
Device end operation interface and client three part composition.At present, a lot of users had contacted different classes of cloud disk product, were using
During, although encryption folder can be created, but Floor layer Technology personnel can check the storage content of user sometimes.Separately
Outward, user can also upload after data encryption again, but uses and inconvenient.And, user not can determine that what oneself stored
Whether data only have oneself visible, and the data higher for security requirement dare not leave in cloud disk, therefore, are using cloud disk
During product, the secret protection of data has become the maximum misgivings of user, especially enterprise customer, the confidentiality requirement to storage data
Can be higher, historical facts or anecdotes shows and ensures that the privacy of cloud disk product store data inside is a requisite critical function.
Summary of the invention
The embodiment of the present invention proposes a kind of date storage method, method for reading data and device, it is possible to increase data store
Safety, and, simple to operate, improve Consumer's Experience.
The embodiment of the present invention provides a kind of date storage method, including:
Receive the cloud disk storage request that user sends；Wherein, described cloud disk storage request includes file data and described literary composition
Number of packages is according to the library password in library, place；
Obtain the library identification code in described library, and described library identification code and described library password are encrypted, obtain
Library mark must be encrypted；
Described file data is encrypted, it is thus achieved that encrypted file data；
Described library identification code, described encryption library mark and described encrypted file data are uploaded to cloud disk service device and enter
Row correspondence storage.
Further, described described file data is encrypted, it is thus achieved that encrypted file data, specifically includes:
Obtain the random identification code in described library；
Described library password is encrypted, and the library password after encryption and described random identification code is encrypted,
Obtain encryption random identification；
Described random identification code is encrypted, and to random identification code, described encryption random identification and the institute after encryption
State file data to be encrypted, it is thus achieved that encrypted file data.
Further, described by described library identification code, described encryption library mark and described encrypted file data upload
Carry out corresponding storage to cloud disk service device, specifically include:
By described library identification code, described encryption library mark, described encryption random identification and described encrypted file data
Upload to cloud disk service device and carry out corresponding storage.
Correspondingly, the embodiment of the present invention also provides for a kind of method for reading data, including:
Receive the cloud disk read requests that user sends；Wherein, described cloud disk read requests includes library identification code and library
Password；
Described library identification code and described library password are encrypted, it is thus achieved that encryption identification value；
Obtain the mark of the encryption library corresponding to the identification code of described library of storage in cloud disk service device, and by described encryption
Ident value contrasts with described encryption library mark；
When detecting that described encryption identification value is identical with described encryption library mark, obtain in described cloud disk service device and deposit
The encrypted file data corresponding to the identification code of described library of storage；
Described encrypted file data is decrypted, reads file data.
Further, described described encrypted file data is decrypted, reads file data, specifically include:
Obtain the encryption random identification corresponding to the identification code of described library of storage in described cloud disk service device；
Described library password is encrypted, and according to the library password after encryption, described encryption random identification is solved
Close, it is thus achieved that the random identification code in library；
Described random identification code is encrypted, and according to the random identification code after encryption, described encrypted file data is entered
Row deciphering, reads file data.
Correspondingly, the embodiment of the present invention also provides for a kind of data storage device, including:
Storage request receiver module, for receiving the cloud disk storage request that user sends；Wherein, described cloud disk storage request
Including file data and the library password in library, described file data place；
First encrypting module, for obtaining the library identification code in described library, and to described library identification code and described literary composition
Storehouse password is encrypted, it is thus achieved that encryption library mark；
Second encrypting module, for being encrypted described file data, it is thus achieved that encrypted file data；And,
Memory module, for uploading described library identification code, described encryption library mark and described encrypted file data
Corresponding storage is carried out to cloud disk service device.
Further, described second encrypting module specifically includes:
Random identification code acquiring unit, for obtaining the random identification code in described library；
Encryption random identification acquiring unit, for being encrypted described library password, and to the library password after encryption
It is encrypted with described random identification code, it is thus achieved that encryption random identification；And,
Encrypted file data acquiring unit, for being encrypted described random identification code, and to the random knowledge after encryption
Other code, described encryption random identification and described file data are encrypted, it is thus achieved that encrypted file data.
Further, described memory module specifically for by described library identification code, described encryption library mark, described in add
Close random identification and described encrypted file data upload to cloud disk service device and carry out corresponding storage.
Correspondingly, the embodiment of the present invention also provides for a kind of digital independent device, including:
Read requests receiver module, for receiving the cloud disk read requests that user sends；Wherein, described cloud disk read requests
Including library identification code and library password；
Encryption identification value acquisition module, for being encrypted described library identification code and described library password, it is thus achieved that add
Close ident value；
Contrast module, for obtaining the mark of the encryption library corresponding to the identification code of described library of storage in cloud disk service device
Know, and described encryption identification value is contrasted with described encryption library mark；
Encrypted file data acquisition module, for detecting that described encryption identification value is identical with described encryption library mark
Time, obtain the encrypted file data corresponding to the identification code of described library of storage in described cloud disk service device；And,
Read module, for being decrypted described encrypted file data, reads file data.
Further, described read module specifically includes:
Acquiring unit, random for obtaining the encryption corresponding to the identification code of described library of storage in described cloud disk service device
Mark；
Decryption unit, for being encrypted described library password, and according to the library password after encryption to described encryption
Random identification is decrypted, it is thus achieved that the random identification code in library；And,
Read unit, for described random identification code is encrypted, and according to the random identification code after encryption to described
Encrypted file data is decrypted, and reads file data.
Implement the embodiment of the present invention, have the advantages that
Date storage method, method for reading data and the device that the embodiment of the present invention provides, it is possible to first library password is added
Close for encrypting library mark, file data is encrypted as encrypted file data, then will encryption library mark and encrypted file data
Upload to cloud disk service device preserve, make the user with library password could read storage data, thus avoid storing number
According to illegally being read, improve the safety of data storage, and, user only need to arrange library password can realize file data
Encryption, and without voluntarily file data being encrypted operation, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of an embodiment of the date storage method that the present invention provides；
Fig. 2 is the structural representation of an embodiment of the data storage device that the present invention provides；
Fig. 3 is the schematic flow sheet of an embodiment of the method for reading data that the present invention provides；
Fig. 4 is the structural representation of an embodiment of the data storage device that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
See Fig. 1, be the schematic flow sheet of an embodiment of the date storage method that the present invention provides, including:
The cloud disk storage request that S11, reception user send；Wherein, described cloud disk storage request includes file data and institute
State the library password in library, file data place；
S12, obtain the library identification code in described library, and described library identification code and described library password are added
Close, it is thus achieved that encryption library mark；
S13, described file data is encrypted, it is thus achieved that encrypted file data；
S14, by described library identification code, described encryption library mark and described encrypted file data upload to cloud disk service
Device carries out corresponding storage.
It should be noted that the date storage method that the embodiment of the present invention provides is to retouch from this side of cloud disk client
State.Cloud disk client can first create a library, and the unique ID in stochastic generation library, i.e. library identification code, uses meanwhile
Family arranges library password.When storing data, cloud disk client obtains the library password and to be stored of user's input
File data, and use PBKDF2 algorithm that library password and the library identification code being generated in advance are encrypted, it is thus achieved that library
Unique magic power mark, i.e. encryption library mark, thus realize the encryption to library password.And then, cloud disk client is treated and is deposited
The file data of storage is encrypted, it is thus achieved that encrypted file data.After having encrypted, cloud disk client is by library identification code, encryption
Library mark and encrypted file data upload to cloud disk service device, and store accordingly.Cloud disk service device only preserves and adds
Library password after close and file data, it is to avoid storage data are illegally read, improve the safety of data storage, and, use
Family only need to arrange library password can realize the encryption of file data, and without voluntarily file data being encrypted operation, carries
High Consumer's Experience.
Further, described described file data is encrypted, it is thus achieved that encrypted file data, specifically includes:
Obtain the random identification code in described library；
Described library password is encrypted, and the library password after encryption and described random identification code is encrypted,
Obtain encryption random identification；
Described random identification code is encrypted, and to random identification code, described encryption random identification and the institute after encryption
State file data to be encrypted, it is thus achieved that encrypted file data.
It should be noted that cloud disk client is when creating library, library uniquely strong random number file key also can be generated,
The most random identification code.When file data is encrypted, first use PBKDF2 algorithm that library password is encrypted, it is thus achieved that close
Code key-value pair, wherein key is the storage position of secret value, is worth for secret value.Use AES 256/CBC AES at random again
Identification code and password key-value pair are encrypted, and generate encryption random identification.And then, use PBKDF2 algorithm that random identification code is entered
Row encryption, it is thus achieved that file key key-value pair, wherein key is the storage position of secret value, is worth for secret value.Use AES 256/CBC again
Encryption random identification, file key key-value pair and file data are encrypted by AES, thus generate encrypted file data.Its
In, encrypted file data is to be produced through thousands of iteration by PBKDF2 algorithm so that disabled user cannot crack, thus really
Guarantor's encrypted file data only has the user of library password and could read.
Further, described by described library identification code, described encryption library mark and described encrypted file data upload
Carry out corresponding storage to cloud disk service device, specifically include:
By described library identification code, described encryption library mark, described encryption random identification and described encrypted file data
Upload to cloud disk service device and carry out corresponding storage.
It should be noted that after using encryption random identification be encrypted together with file data, also need by encryption with
Machine mark uploads to cloud disk service device, stores accordingly with library identification code, in order to when reading file data, can lead to
Cross encryption random identification encrypted file data is decrypted.
The date storage method that the embodiment of the present invention provides, it is possible to first library password encryption identified for encryption library, will
File data is encrypted as encrypted file data, then encryption library mark and encrypted file data are uploaded to cloud disk service device and carried out
Preserve, make the user with library password could read storage data, thus avoid storing data and illegally read, improve data
The safety of storage, and, user only need to arrange library password can realize the encryption of file data, and without voluntarily to file
Data are encrypted operation, improve Consumer's Experience.
Accordingly, the present invention also provides for a kind of data storage device, it is possible to realize the data storage side in above-described embodiment
All flow processs of method.
See Fig. 2, be the structural representation of an embodiment of the data storage device that the present invention provides, including:
Storage request receiver module 21, for receiving the cloud disk storage request that user sends；Wherein, the storage of described cloud disk please
Ask and include file data and the library password in library, described file data place；
First encrypting module 22, for obtaining the library identification code in described library, and to described library identification code and described
Library password is encrypted, it is thus achieved that encryption library mark；
Second encrypting module 23, for being encrypted described file data, it is thus achieved that encrypted file data；And,
Memory module 24, for by described library identification code, described encryption library mark and described encrypted file data
Pass to cloud disk service device and carry out corresponding storage.
Further, described second encrypting module specifically includes:
Random identification code acquiring unit, for obtaining the random identification code in described library；
Encryption random identification acquiring unit, for being encrypted described library password, and to the library password after encryption
It is encrypted with described random identification code, it is thus achieved that encryption random identification；And,
Encrypted file data acquiring unit, for being encrypted described random identification code, and to the random knowledge after encryption
Other code, described encryption random identification and described file data are encrypted, it is thus achieved that encrypted file data.
Further, described memory module specifically for by described library identification code, described encryption library mark, described in add
Close random identification and described encrypted file data upload to cloud disk service device and carry out corresponding storage.
The data storage device that the embodiment of the present invention provides, it is possible to first library password encryption identified for encryption library, will
File data is encrypted as encrypted file data, then encryption library mark and encrypted file data are uploaded to cloud disk service device and carried out
Preserve, make the user with library password could read storage data, thus avoid storing data and illegally read, improve data
The safety of storage, and, user only need to arrange library password can realize the encryption of file data, and without voluntarily to file
Data are encrypted operation, improve Consumer's Experience.
See Fig. 3, be the schematic flow sheet of an embodiment of the method for reading data that the present invention provides, including:
The cloud disk read requests that S31, reception user send；Wherein, described cloud disk read requests include library identification code and
Library password；
S32, described library identification code and described library password are encrypted, it is thus achieved that encryption identification value；
Encryption library corresponding to the identification code of the described library mark of storage in S33, acquisition cloud disk service device, and by described
Encryption identification value contrasts with described encryption library mark；
S34, when detecting that described encryption identification value is identical with described encryption library mark, obtain described cloud disk service device
The encrypted file data corresponding to the identification code of described library of middle storage；
S35, described encrypted file data is decrypted, reads file data.
It should be noted that the method for reading data that the embodiment of the present invention provides is to retouch from this side of cloud disk client
State.User, before being checked by cloud disk client, downloading or synchronize library, needs first to carry out the library password of user's input
Checking.The library password and the library identification code that use PBKDF2 algorithm to input user are encrypted, it is thus achieved that the magic power mark in library
Will, i.e. encryption identification value, and the corresponding magic power mark it prestored with cloud disk service device, i.e. encryption library mark are carried out
Contrast.If both are identical, then the library password of explanation user input is correct, can obtain and add ciphertext accordingly from cloud disk service device
Number of packages evidence, and be decrypted to read out file data to this encrypted file data；If both are different, then explanation user inputs
Library code error, no longer carries out subsequent operation.The user only having library password could read storage in cloud disk service device
File data, it is to avoid storage data illegally read, improve data storage safety.
Further, described described encrypted file data is decrypted, reads file data, specifically include:
Obtain the encryption random identification corresponding to the identification code of described library of storage in described cloud disk service device；
Described library password is encrypted, and according to the library password after encryption, described encryption random identification is solved
Close, it is thus achieved that the random identification code in library；
Described random identification code is encrypted, and according to the random identification code after encryption, described encrypted file data is entered
Row deciphering, reads file data.
It should be noted that in obtaining cloud disk service device after the corresponding encrypted file data of storage, to encryption file
Data are decrypted.From cloud disk service device, first obtain library encrypt random identification accordingly, then use PBKDF2 algorithm to
The library password of family input is encrypted, it is thus achieved that password key-value pair, and then uses AES 256/CBC to calculate according to this password key-value pair
Encryption random identification is decrypted by method, it is thus achieved that the random identification code in library, i.e. file key.After obtaining random identification code, adopt
With PBKDF2 algorithm, this random identification code is encrypted, it is thus achieved that file key key-value pair, and then uses according to this document key-value pair
The encrypted file data obtained is decrypted by AES 256/CBC algorithm, after having deciphered, i.e. can read out file data.
The method for reading data that the embodiment of the present invention provides, it is possible to first library password encryption identified for encryption library, will
File data is encrypted as encrypted file data, then encryption library mark and encrypted file data are uploaded to cloud disk service device and carried out
Preserve, make the user with library password could read storage data, thus avoid storing data and illegally read, improve data
The safety of storage, and, user only need to arrange library password can realize the encryption of file data, and without voluntarily to file
Data are encrypted operation, improve Consumer's Experience.
Accordingly, the present invention also provides for a kind of digital independent device, it is possible to realize the digital independent side in above-described embodiment
All flow processs of method.
See Fig. 4, be the structural representation of an embodiment of the digital independent device that the present invention provides, including:
Read requests receiver module 41, for receiving the cloud disk read requests that user sends；Wherein, described cloud disk reads and asks
Ask and include library identification code and library password；
Encryption identification value acquisition module 42, for being encrypted described library identification code and described library password, it is thus achieved that
Encryption identification value；
Contrast module 43, for obtaining the mark of the encryption library corresponding to the identification code of described library of storage in cloud disk service device
Know, and described encryption identification value is contrasted with described encryption library mark；
Encrypted file data acquisition module 44, for detecting that described encryption identification value identifies phase with described encryption library
Meanwhile, the encrypted file data corresponding to the identification code of described library of storage in described cloud disk service device is obtained；And,
Read module 45, for being decrypted described encrypted file data, reads file data.
Further, described read module specifically includes:
Acquiring unit, random for obtaining the encryption corresponding to the identification code of described library of storage in described cloud disk service device
Mark；
Decryption unit, for being encrypted described library password, and according to the library password after encryption to described encryption
Random identification is decrypted, it is thus achieved that the random identification code in library；And,
Read unit, for described random identification code is encrypted, and according to the random identification code after encryption to described
Encrypted file data is decrypted, and reads file data.
The digital independent device that the embodiment of the present invention provides, it is possible to first library password encryption identified for encryption library, will
File data is encrypted as encrypted file data, then encryption library mark and encrypted file data are uploaded to cloud disk service device and carried out
Preserve, make the user with library password could read storage data, thus avoid storing data and illegally read, improve data
The safety of storage, and, user only need to arrange library password can realize the encryption of file data, and without voluntarily to file
Data are encrypted operation, improve Consumer's Experience.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a date storage method, it is characterised in that including:
Receive the cloud disk storage request that user sends；Wherein, described cloud disk storage request includes file data and described number of files
Library password according to library, place；
Obtain the library identification code in described library, and described library identification code and described library password are encrypted, it is thus achieved that add
Ciphertext storehouse identifies；
Described file data is encrypted, it is thus achieved that encrypted file data；
By described library identification code, described encryption library mark and described encrypted file data upload to cloud disk service device carry out right
Should store.
2. date storage method as claimed in claim 1, it is characterised in that described be encrypted described file data, obtains
Obtain encrypted file data, specifically include:
Obtain the random identification code in described library；
Described library password is encrypted, and the library password after encryption and described random identification code is encrypted, it is thus achieved that
Encryption random identification；
Described random identification code is encrypted, and to random identification code, described encryption random identification and the described literary composition after encryption
Number of packages is according to being encrypted, it is thus achieved that encrypted file data.
3. date storage method as claimed in claim 2, it is characterised in that described by described library identification code, described encryption
Library mark and described encrypted file data upload to cloud disk service device and carry out corresponding storage, specifically include:
Described library identification code, described encryption library mark, described encryption random identification and described encrypted file data are uploaded
Corresponding storage is carried out to cloud disk service device.
4. a method for reading data, it is characterised in that including:
Receive the cloud disk read requests that user sends；Wherein, described cloud disk read requests includes library identification code and library password；
Described library identification code and described library password are encrypted, it is thus achieved that encryption identification value；
Obtain the mark of the encryption library corresponding to the identification code of described library of storage in cloud disk service device, and by described encryption identification
Value contrasts with described encryption library mark；
When detecting that described encryption identification value is identical with described encryption library mark, obtain storage in described cloud disk service device
Encrypted file data corresponding to the identification code of described library；
Described encrypted file data is decrypted, reads file data.
5. method for reading data as claimed in claim 4, it is characterised in that described described encrypted file data is solved
Close, read file data, specifically include:
Obtain the encryption random identification corresponding to the identification code of described library of storage in described cloud disk service device；
Described library password is encrypted, and according to the library password after encryption, described encryption random identification is decrypted,
Obtain the random identification code in library；
Described random identification code is encrypted, and according to the random identification code after encryption, described encrypted file data is solved
Close, read file data.
6. a data storage device, it is characterised in that including:
Storage request receiver module, for receiving the cloud disk storage request that user sends；Wherein, described cloud disk storage request includes
File data and the library password in library, described file data place；
First encrypting module is for obtaining the library identification code in described library and close to described library identification code and described library
Code is encrypted, it is thus achieved that encryption library mark；
Second encrypting module, for being encrypted described file data, it is thus achieved that encrypted file data；And,
Memory module, for uploading to cloud by described library identification code, described encryption library mark and described encrypted file data
Dish server carries out corresponding storage.
7. data storage device as claimed in claim 6, it is characterised in that described second encrypting module specifically includes:
Random identification code acquiring unit, for obtaining the random identification code in described library；
Encryption random identification acquiring unit, for being encrypted described library password, and to the library password after encryption and institute
State random identification code to be encrypted, it is thus achieved that encryption random identification；And,
Encrypted file data acquiring unit, for described random identification code is encrypted, and to the random identification code after encryption,
Described encryption random identification and described file data are encrypted, it is thus achieved that encrypted file data.
8. data storage device as claimed in claim 7, it is characterised in that described memory module is specifically for by described library
Identification code, described encryption library mark, described encryption random identification and described encrypted file data upload to cloud disk service device and enter
Row correspondence storage.
9. a digital independent device, it is characterised in that including:
Read requests receiver module, for receiving the cloud disk read requests that user sends；Wherein, described cloud disk read requests includes
Library identification code and library password；
Encryption identification value acquisition module, for being encrypted described library identification code and described library password, it is thus achieved that add secret mark
Knowledge value；
Contrast module, for obtaining the mark of the encryption library corresponding to the identification code of described library of storage in cloud disk service device, and
Described encryption identification value is contrasted with described encryption library mark；
Encrypted file data acquisition module, is used for when detecting that described encryption identification value is identical with described encryption library mark,
Obtain the encrypted file data corresponding to the identification code of described library of storage in described cloud disk service device；And,
Read module, for being decrypted described encrypted file data, reads file data.
10. digital independent device as claimed in claim 9, it is characterised in that described read module specifically includes:
Acquiring unit, marks at random for obtaining the encryption corresponding to the identification code of described library of storage in described cloud disk service device
Know；
Decryption unit is for being encrypted described library password and random to described encryption according to the library password after encryption
Mark is decrypted, it is thus achieved that the random identification code in library；And,
Read unit, for described random identification code is encrypted, and according to the random identification code after encryption to described encryption
File data is decrypted, and reads file data.
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| CN105022962A (en) * | 2015-07-02 | 2015-11-04 | 四川效率源信息安全技术有限责任公司 | Encryption protection method of network hard disk data content |
| CN105320896A (en) * | 2015-10-21 | 2016-02-10 | 成都卫士通信息产业股份有限公司 | Cloud storage encryption and ciphertext retrieval methods and systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506613A (en) * | 2016-10-31 | 2017-03-15 | 大唐高鸿信安（浙江）信息科技有限公司 | The data storage location encryption method of distributed key value storage systems |
| CN109815711A (en) * | 2018-12-21 | 2019-05-28 | 航天信息股份有限公司 | A kind of storage equipment, date storage method and method for reading data |
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