CN102946440A - Automatic cloud synchronization and recovery system based on cloud storage technology - Google Patents
Automatic cloud synchronization and recovery system based on cloud storage technology Download PDFInfo
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Abstract
The invention discloses an automatic cloud synchronization and recovery system based on a cloud storage technology. The system is composed of a client, an interface module and a cloud storage server, wherein the client, the interface module and the cloud storage server are connected via a wired network or a wireless network, and the client is used for encrypting and decrypting file data uploaded and downloaded by a user through adopting an asymmetric encryption algorithm, and verifying the integrity of the file data; and the interface module comprises a plurality of application service interfaces supporting various client platforms, and a plurality of specific service interfaces supporting various cloud storage service providers. The automatic cloud synchronization and recovery system based on the cloud storage technology, disclosed by the invention, is used for dynamically distributing a cloud storage space according to the needs of the user, thus providing the cloud storage space with a super-high cost performance; the automatic cloud synchronization and recovery system supports the different client platforms, supports the client to be transparently accessed to the various cloud storage service providers, and support various file formats; and the automatic cloud synchronization and recovery system is high in safety and has a high practical application value.
Description
Technical field
The present invention relates to the cloud technical field of memory, particularly a kind of automatic cloud based on the cloud memory technology synchronously and recovery system.
Background technology
The cloud storage refers to by functions such as cluster application, network technology or distributed file systems, a large amount of various dissimilar memory devices in the network are gathered collaborative work by application software, a system of data storage and Operational Visit function externally is provided jointly.
As after computing grid occurs, for the demand to the data storage, data grids are suggested the same, and the cloud storage also is a kind of storage system that development is derived after the cloud computing concept occurs.Cloud computing (cloud computing) is based on increase, use and the delivery mode of the related service of the Internet, and being usually directed to provides dynamically easily expansion and often be virtualized resource by the Internet.Cloud computing efforts be made so that with a plurality of nodes that are distributed in various places and makes up a structure that is called as cloud, these form on the joint behavior of clouds and how high-endly do not require, so cloud can be to make up the system that performance is higher than the high-end computing equipment of special use or the cost of memory device cheapness.The cloud storage just is being based on a kind of like this cloud structure, and the storage resources that disperses is integrated, and provides bottom transparent storage resources to the user.Have benefited from piecemeal storage and the copy mechanism of cloud storage, its Performance And Reliability all is better than traditional networked storage architecture.For example, the cloud storage can become a plurality of piecemeals with a file division, and piecemeal is stored on many different machines, obtains simultaneously each piecemeal when needs read from each machine, just can several times improve data transmission bauds.And, because cloud storage system can and leave different positions in for each piecemeal preparation copy of file, so the disaster tolerance ability of system is very powerful.
Cloud refers to that synchronously on the cloud platform, the data between cloud equipment and the server are synchronous, perhaps data sharing between the distinct device centered by the individual, and cloud also is based on cloud computing synchronously.
Have at present a plurality of cloud stores service merchants that the cloud stores service can be provided, typical cloud stores service comprises the S3 service of Amazon Company, the Google Storage service of Google and the Live Mesh service of Microsoft etc.The network storage access interface that these stores service provide is not quite similar, some support PUT, GET, the REST style interface of POST and HEAD interface, some supporting document system interfaces, inconvenience on this development and use of introducing because of the inconsistency of service interface is also more outstanding, and when the user used different stores service, which kind of network storage service usually needs to pay close attention to own employed was.Also there is following shortcoming in the storage of existing cloud: the free memory space in high in the clouds is too little, needs the user to go to buy service, and the cost performance of charge storage size and price is low, and the platform of supporting is single, and the file format of support is single.In addition, the fail safe of existing cloud storage is too dependent on cloud storage service provider, and security service efficient is not high.
Summary of the invention
For this reason, the present invention proposes a kind of automatic cloud based on the cloud memory technology synchronously and recovery system, can eliminate fully because the restriction of prior art and one or more problems that defective causes.
Additional advantages of the present invention, purpose and characteristic, a part will be elucidated in the following description, and another part will be significantly for those of ordinary skill in the art by the investigation to following explanation or acquire from enforcement of the present invention.Can realize and obtain the object of the invention and advantage by the structure of in the specification of literal and claims and accompanying drawing, pointing out especially.
The invention provides a kind of automatic cloud based on the cloud memory technology synchronously and recovery system, described system is comprised of client, interface module and cloud storage server, connect by wired or wireless network between described client, interface module and the cloud storage server, wherein
Described customer end adopted rivest, shamir, adelman is encrypted and deciphers the file data of user's upload and download, and the integrality of authenticating documents data;
Described interface module comprises a plurality of application service interfaces of supporting multiple client platform and supports a plurality of special services interfaces of multiple cloud storage service provider; Wherein,
Described a plurality of application service interface comprises the application service interface that is connected with different terminals operating system;
Described a plurality of special services interface comprises the special services interface that connects from different cloud storage servers;
Described cloud storage server is used for the file of storage client user upload and download.
Preferably, described terminal operating system comprises: Apple Macintosh operating system, Android, WINDOW PHONE, WINDOWS, MAC or LINUX.
Preferably, described storage server comprises: Amazon S3 cloud storage server, Google's cloud storage server or Microsoft's cloud storage server.
Preferably, the file format of described system support comprises: at least one in the common format of Office external member, pdf document, video and image file format, Photoshop model machine file and the AutoCAD drawing file form.
Preferably, described client comprises key preservation module and file encryption-decryption module, wherein, described key is preserved module and is used for preserving encryption key and decruption key, and described file encryption-decryption module is used described key to preserve preservation encryption key in the module and decruption key the file data of client user's upload and download is encrypted and deciphers.
Preferably, described client also comprises the data integrity authentication module that is connected with described file encryption-decryption module, and it utilizes the integrality of the file data of Message Digest 5 authentication of users upload and download.
Preferably, described cloud storage server also comprises cloud memory allocation module, and described cloud memory allocation module is user assignment cloud memory space according to client user's needs.
Preferably, described system also comprises format conversion apparatus and printer; Wherein, described format conversion apparatus is connected with printer with described cloud storage server respectively, and it carries out format conversion to the file in the described cloud storage server, and the file after format conversion is sent to described printer prints.
Preferably, described format conversion apparatus is the pdf document form with the file conversion in the described cloud storage server.
Preferably, described format conversion apparatus is the ARM9 process chip based on S3C2440.。
The present invention has the following advantages:
1) distributes dynamically the cloud memory space by the needs according to the user, the cloud memory space of cost performance superelevation is provided for the user.
2) according to different personal computer platform and mobile Internet platform, developed suitable different platform and different cloud stores service merchants' cloud memory interface, make things convenient for the user in different terminals recovery of stomge data anywhere or anytime.
3) support multiple file format, comprise common format, pdf document, video and image file format, Photoshop model machine file and the AutoCAD drawing of Office external member, and multiple format can be converted to the form of unified suitable printing.
4) in customer end adopted asymmetric encryption mode data are encrypted deciphering, and adopt the integrality of Message Digest 5 verification msg, improved the fail safe of cloud storage, and make the fail safe of cloud storage not rely on cloud storage service provider.
Description of drawings
Fig. 1 is the structural representation of and recovery system synchronous according to the automatic cloud based on the cloud memory technology of the embodiment of the invention.
Fig. 2 is the hardware schematic diagram according to the ARM9 of the embodiment of the invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
As shown in Figure 1, the present invention propose based on the automatic cloud of cloud memory technology synchronously and recovery system mainly formed by client 1, interface module 2 and cloud storage server 3, described client 1, interface module 2 and cloud storage server 3 are by wired or wireless connections.Client 1 can be mobile phone or personal computer.
Client 1 adopts rivest, shamir, adelman that the file data of user's upload and download is encrypted and deciphers, and the integrality of authenticating documents data.
Concrete, described client 1 comprises key preservation module 11 and file encryption-decryption module 12, wherein, described key is preserved module 11 and is used for preserving encryption key and decruption key, and the preservation encryption key in the described key preservation of the described file encryption-decryption module 12 uses module 11 and decruption key are encrypted and decipher the file data of client's upload and download.
In the application process of cloud storage, need to provide good transmission service and data storage, more protection in the process of uploading and downloading of data.For exchanges data, the related service that the provider that needs the employing cloud to store provides is stored the data of exchange, will cause like this appearance of data leak problem, and therefore data are encrypted processing also becomes the emphasis that ensures data security.For the data security storage problem under the cloud storage, must accomplish in the fail safe that guarantees data, will improve the efficient of operation.Symmetric encipherment algorithm commonly used is because both sides adopt same secret key encryption and data decryption, and algorithm has certain publicity, will make like this fail safe of data can not get good guarantee.When the present invention designs in the cloud storage to safety, fully take into account the fail safe of user data, chosen the asymmetric encryption mode file data is encrypted.Rivest, shamir, adelman is that traditional key is divided into decryption key and encrypting key, respectively encryption and decryption are controlled accordingly, so rivest, shamir, adelman can be guaranteed key safety.
Described client 1 also comprises the data integrity authentication module 13 that is connected with described file encryption-decryption module 12, and it utilizes the integrality of the file data of Message Digest 5 authentication of users upload and download, is modified in transfer of data to prevent file.
The present invention preserves module 11, file encryption-decryption module 12 and data integrity authentication module 13 by key is set in client 1, has the following advantages:
Fail safe does not rely on cloud storage service provider.Data in the actual storage system are processed through specific safety, and core secret information (as, cloud user master key) is stored in the local computing environment of client, therefore the present invention can guarantee in the cloud storage system Information Security by the cloud user on top of, avoided current cloud user to the dependence of cloud storage service provider security capabilities and credibility.
The present invention develops a plurality of application service interfaces according to different personal computer platform and mobile Internet platform, makes things convenient for the user in different terminals recovery of stomge data anywhere or anytime.Interface module 2 comprises a plurality of application service interface 2a that support multiple client platform.Concrete, the first application service interface 21 attended operation systems are the portable terminal of Apple Macintosh operating system, the second application service interface 22 attended operation systems are the portable terminal of Android (ANDROID), the 3rd application service interface 23 attended operation systems are the portable terminal of WINDOW PHONE, and the 4th application service interface 24 attended operation systems are the personal computer of WINDOWS, MAC or LINUX.
In addition, problem for multiple cloud stores service merchant interface isomery, interface module 2 of the present invention also comprises special services interface 2b, described special services interface 2b comprises: the first special services interface of access Amazon S3 cloud storage server, the 3rd special services interface of the second special services interface of access Google cloud storage server and access Microsoft cloud storage server.As shown in Figure 1, cloud storage server 3 comprises Amazon S3 cloud storage server 31, Google's cloud storage server 32 and Microsoft's cloud storage server 33, and it is connected with the first to the 3rd interface respectively.The cloud service provider that it is pointed out that above-mentioned three kinds of main flows only illustrates, and institute of the present invention special services interface can be expanded according to actual needs.
Described special services interface 2b can be forwarded to concrete rear end stores service pellucidly with user's request.The exploitation of special services interface 2b only need to utilize the api interface of cloud storage provider, and is very convenient and quick.This shows, automatic cloud based on the cloud memory technology proposed by the invention not only has advantages of safe, controlled with recovery system synchronously, support simultaneously various mainstream customers end platforms commonly used, and overcome the inconsistent problem of storage interface standard, user friendly access.
Cloud storage server 3 also comprises cloud memory allocation module 34, and described cloud memory allocation module 34 is user assignment cloud memory space according to client user's needs.Concrete, the client user initiates to use request to cloud storage server 3, and cloud memory allocation module 34 is the suitable cloud memory space of user assignment according to cloud storage size and the service time that the user asks.Like this, both satisfied user's user demand, capable of dynamic is user assignment cloud memory space again, thereby has saved the cloud storage resources, and the cloud memory space of cost performance superelevation is provided for the charge user.
Automatic cloud based on the cloud memory technology proposed by the invention synchronously and recovery system support multiple file format, comprise common format, pdf document, video and image file format, Photoshop model machine file and the AutoCAD drawing of Office external member.
According to preferred implementation of the present invention, automatic cloud based on the cloud memory technology proposed by the invention synchronously and recovery system also comprise format conversion apparatus 4 and printer 5.File in 4 pairs of cloud storage servers 3 of format conversion apparatus carries out format conversion, and is preferred, is converted to pdf document, and the file after the format conversion is sent to printer 5 prints.
Format conversion apparatus 4 is analyzed the file in the cloud storage server 3 first, select different transfer algorithms to process to different file formats, change accordingly according to the JODConverter method that the form different choice of file is different, not only can satisfy like this realization on the translation function, more be conducive to the compressing file storage, improve conversion efficiency.
Format conversion apparatus 4 among the present invention both can be arranged in the cloud storage server 3, also can be set to break away from the independent equipment outside the cloud storage server 3.When format conversion apparatus 4 was set to independent equipment, the present invention adopted the function that realizes format conversion apparatus 4 based on the ARM9 process chip of S3C2440.
Fig. 2 shows the hardware interface structure chart based on the ARM9 process chip of S3C2440.As shown in Figure 2, described ARM9 process chip based on S3C2440 comprises that S3C2440 microprocessor, LCD shield, SDRAM, 10Mbps Ethernet card and the USB interface of NORFlash, the 64MB of NANDFlash, the 2MB of 64MB.Wherein, the operation interface that the LCD screen is used on the Display and Print machine 5 shows, can better observe printing situation and printing progress.NANDFlash is used for the information such as storage submersible LINUX system, bootloader, file system.Dynamic memory zone when SDRAM is system's Start-up and operating performance.Ethernet card is used for realization from the communication of cloud storage server download file.USB is used for the client user and the ARM9 process chip exchanges use.
The present invention distributes the cloud memory space dynamically by the needs according to the user, the cloud memory space of cost performance superelevation is provided for the user, and support different client platforms, support the client access to access pellucidly multiple cloud stores service merchant, support multiple file format, safe, have higher actual application value.
One of ordinary skill in the art will appreciate that each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above content is preferred embodiment of the present invention only, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (10)
- One kind based on the automatic cloud of cloud memory technology synchronously and recovery system, described system is comprised of client, interface module and cloud storage server, connects by wired or wireless network between described client, interface module and the cloud storage server; It is characterized in that:Described customer end adopted rivest, shamir, adelman is encrypted and deciphers the file data of user's upload and download, and the integrality of authenticating documents data;Described interface module comprises a plurality of application service interfaces of supporting multiple client platform and supports a plurality of special services interfaces of multiple cloud storage service provider; Wherein,Described a plurality of application service interface comprises the application service interface that is connected with different terminals operating system;Described a plurality of special services interface comprises the special services interface that connects from different cloud storage servers;Described cloud storage server is used for the file of storage client user upload and download.
- 2. the automatic cloud based on the cloud memory technology according to claim 1 is characterized in that synchronously and recovery system, and described terminal operating system comprises: Apple Macintosh operating system, Android, WINDOW PHONE, WINDOWS, MAC or LINUX.
- 3. the automatic cloud based on the cloud memory technology according to claim 1 is characterized in that synchronously and recovery system, and described storage server comprises: Amazon S3 cloud storage server, Google's cloud storage server are or/and Microsoft's cloud storage server.
- According to claim 1 in the described automatic cloud based on the cloud memory technology of any one synchronously and recovery system, it is characterized in that, the file format of described system support comprises: at least one in the common format of Office external member, pdf document, video and image file format, Photoshop model machine file and the AutoCAD drawing file form.
- 5. the described automatic cloud based on the cloud memory technology of any one synchronously and recovery system according to claim 1-4, it is characterized in that, described client comprises key preservation module and file encryption-decryption module, wherein, described key is preserved module and is used for preserving encryption key and decruption key, and described file encryption-decryption module is used described key to preserve preservation encryption key in the module and decruption key the file data of client user's upload and download is encrypted and deciphers.
- 6. the automatic cloud based on the cloud memory technology according to claim 5 synchronously and recovery system, it is characterized in that, described client also comprises the data integrity authentication module that is connected with described file encryption-decryption module, and it utilizes the integrality of the file data of Message Digest 5 authentication of users upload and download.
- 7. the automatic cloud based on the cloud memory technology according to claim 1 synchronously and recovery system, it is characterized in that, described cloud storage server also comprises cloud memory allocation module, and described cloud memory allocation module is user assignment cloud memory space according to client user's needs.
- 8. the described automatic cloud based on the cloud memory technology of any one is characterized in that synchronously and recovery system according to claim 1-4, and described system also comprises format conversion apparatus and printer; Wherein, described format conversion apparatus is connected with printer with described cloud storage server respectively, and it carries out format conversion to the file in the described cloud storage server, and the file after format conversion is sent to described printer prints.
- 9. the automatic cloud based on the cloud memory technology according to claim 8 is characterized in that synchronously and recovery system, and described format conversion apparatus is the pdf document form with the file conversion in the described cloud storage server.
- 10. the automatic cloud based on the cloud memory technology according to claim 8 is characterized in that synchronously and recovery system, and described format conversion apparatus is the ARM9 process chip based on S3C2440.
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| CN108093401B (en) * | 2017-12-13 | 2020-06-09 | 电子科技大学 | Mobile intelligent terminal privacy protection system and method based on edge calculation |
| CN111565210A (en) * | 2019-12-05 | 2020-08-21 | 广州纪光新媒体系统有限公司 | Culture construction processing terminal supporting content import of cloud disk and mobile storage device |
| CN113067892A (en) * | 2021-04-09 | 2021-07-02 | 北京理工大学 | Method for realizing safe cloud synchronization and cloud storage by using public cloud |
| CN113067892B (en) * | 2021-04-09 | 2022-07-15 | 北京理工大学 | Method for realizing safe cloud synchronization and cloud storage by using public cloud |
| CN113419671A (en) * | 2021-05-20 | 2021-09-21 | 佛山市禅城区政务服务数据管理局 | Personal data space access control method and system |
| CN113419671B (en) * | 2021-05-20 | 2022-02-18 | 佛山市禅城区政务服务数据管理局 | Personal data space access control method |
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