CN111858746A - Personal data storage system based on cloud platform - Google Patents
Personal data storage system based on cloud platform Download PDFInfo
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- CN111858746A CN111858746A CN202010463797.4A CN202010463797A CN111858746A CN 111858746 A CN111858746 A CN 111858746A CN 202010463797 A CN202010463797 A CN 202010463797A CN 111858746 A CN111858746 A CN 111858746A
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- encryption algorithm
- cloud platform
- personal data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
- H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
Abstract
The invention relates to a personal data storage system based on a cloud platform, which comprises a management server and a user side, wherein the management server comprises: the device comprises a first judgment module, an encryption algorithm matching module and a sending module; the first judgment module acquires the importance level marking information of the target file from request information for transmitting the target file sent by a user side; the encryption algorithm matching module matches a corresponding target encryption algorithm according to the important grade mark information; and the sending module sends an instruction for transmitting the target file by adopting a target encryption algorithm to the user side. According to the technical scheme, the important grades of the target files are marked by the user end, the management server matches different encryption algorithms for the target files with different important grades, so that the files with lower important grades can be transmitted by adopting a faster encryption algorithm, the files with higher important grades can be transmitted by adopting an encryption algorithm with better confidentiality, and the encryption transmission safety and the transmission efficiency in the cloud storage process can be better balanced.
Description
Technical Field
The invention relates to a personal data storage system based on a cloud platform.
Background
In recent years, with the explosive increase of the demand of personal data storage, the traditional personal storage devices, such as a usb disk and a mobile hard disk, have not been able to meet the demand of people for storing and reading data anytime and anywhere. In the prior art, a cloud storage mode is adopted for people to store data at any time, but the problem that encryption transmission safety and transmission efficiency cannot be well balanced exists.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a personal data storage system based on a cloud platform.
The technical scheme for solving the technical problems is as follows: the technical scheme of the invention provides a personal data storage system based on a cloud platform, which comprises a management server and a user side, wherein the management server comprises:
the first judgment module is used for acquiring the importance level marking information of the target file from request information for transmitting the target file sent by the user side;
the encryption algorithm matching module is used for matching a corresponding target encryption algorithm according to the important grade mark information;
and the sending module is used for sending an instruction for transmitting the target file by adopting a target encryption algorithm to the user side.
The invention has the beneficial effects that: the important levels of the target files are marked by the user end, the management server matches different encryption algorithms with the target files with different important levels, so that the files with lower important levels can be transmitted by adopting a faster encryption algorithm, the files with higher important levels can be transmitted by adopting an encryption algorithm with better confidentiality, all the files do not need to be uniformly stored and read by adopting the same encryption algorithm, and the encryption transmission safety and the transmission efficiency in the cloud storage process can be well balanced.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the management server further includes:
the file fragmentation module is used for dividing the target file uploaded by the user side into a plurality of subfiles;
and the distributed storage module is used for storing each of the plurality of subfiles to at least one storage node in the cloud platform according to a preset rule.
The beneficial effect of adopting the further scheme is that: the management server is provided with the file fragmentation module and the distributed storage module, so that the file fragmentation can be stored in different storage nodes, and the storage and reading speed of the file can be improved quickly.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the preset rule includes determining the number of storage nodes of the corresponding subfile according to the importance level marked by the importance level marking information.
The beneficial effect of adopting the further scheme is that: the sub-files with higher importance levels corresponding to the importance level marking information can be stored in more storage nodes, so that data loss caused by damage of partial nodes is prevented, and the reliability of the data is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the management server further includes:
and the file merging module is used for merging the subfiles corresponding to the target file according to a preset merging rule to obtain a pre-transmission target file.
The beneficial effect of adopting the further scheme is that: the file merging module is arranged to merge the sub-files to obtain a pre-transmission target file when the user terminal needs to download the file, so that the user terminal can download the corresponding target file.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the preset merge rule includes the following steps:
Acquiring transmission state information of the subfiles corresponding to the target file in the storage nodes corresponding to the storage nodes;
judging the respective predicted transmission time of a plurality of nodes corresponding to each subfile according to the transmission state information;
sending a command for returning the corresponding subfile to one storage node corresponding to the shortest expected transmission time in the storage nodes of each subfile;
and combining the received sub-files into the pre-transmission target file.
The beneficial effect of adopting the further scheme is that: the transmission state information of the storage nodes of the subfiles after the target file is fragmented is obtained in advance, and then the storage nodes with the shortest expected transmission time are screened out to transmit the corresponding subfiles back, so that the transmission rate of the whole transmission of each subfile back to the management server is improved, and the data downloading speed of the user side from the cloud platform is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the transmission state information includes storage performance information of the storage node and network occupation state information of the storage node.
The beneficial effect of adopting the further scheme is that: the storage nodes with poor storage node performance and unsmooth network comparison can be avoided better, the storage nodes with excellent performance and high network transmission rate are selected to return the corresponding subfiles of the target file, the transmission rate of the whole subfiles returned to the management server is further improved, and the data downloading speed of the user side from the cloud platform is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the target encryption algorithm includes: base64 encodes an encryption algorithm, a one-item hash function encryption algorithm.
The beneficial effect of adopting the further scheme is that: the Base64 encoding encryption algorithm can be used for transmitting the target files with lower importance levels faster, and the single hash function encryption algorithm can be used for transmitting the target files with higher importance levels more safely.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the management server further includes:
and the time calculation module is used for predicting the transmission progress of the target file and generating transmission progress information.
The beneficial effect of adopting the further scheme is that: the time calculation module can acquire the transmission information of the target file for the user to refer to.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the user side further includes: the display control module is used for receiving the transmission progress information and controlling the display module to display the transmission progress information.
The beneficial effect of adopting the further scheme is that: the display module and the display control module are arranged, so that the transmission progress of the target file is conveniently displayed, and the use experience of a user is improved to a certain extent.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the user side comprises a mobile phone, a computer and wearable equipment.
The beneficial effect of adopting the above further scheme is that the diversified setting of the user side is convenient for the user to store and read the cloud files in various use scenes.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a second embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the system comprises a management server 11, a first judgment module 12, an encryption algorithm matching module 13, a sending module 14, a file slicing module 15, a distributed storage module 16, a file merging module 17, a time calculation module 2, a user side 21, a display module 22, a display control module 3 and storage nodes.
Detailed Description
The principles and features of this invention are described below in conjunction with specific embodiments, the examples given are intended to illustrate the invention and are not intended to limit the scope of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In recent years, with the explosive increase of the demand of personal data storage, the traditional personal storage device such as a usb flash disk mobile hard disk cannot well meet the demand of people for storing and reading data anytime and anywhere. In the prior art, a cloud storage mode is adopted for people to store data at any time, but the problem that encryption transmission safety and transmission efficiency cannot be well balanced exists.
In order to solve the above problem, an embodiment of the present invention provides a personal data storage system based on a cloud platform, which includes:
in the embodiment of the present invention, as shown in fig. 1 and fig. 2, the personal data storage system based on a cloud platform includes a management server 1 and a user side 2, where the management server 1 includes: the device comprises a first judgment module 11, an encryption algorithm matching module 12 and a sending module 13; the first determining module 11 is configured to obtain the importance level marking information of the target file from the request information for transmitting the target file sent by the user side 2; it should be noted that the importance level mark information of the target file may be generated after the user selects and sets the interactive interface at the user side, or may be generated by default according to the keywords in the file name, such as classified in the manner of confidential files, common files, and general secret files. The encryption algorithm matching module 12 is configured to match a corresponding target encryption algorithm according to the importance level flag information; the sending module 13 is configured to send an instruction for transmitting the target file by using a target encryption algorithm to the user side 2.
The important levels of the target files are marked by the user side 2, the management server 1 matches different encryption algorithms with the target files with different important levels, so that the files with lower important levels can be transmitted by adopting a faster encryption algorithm, the files with higher important levels can be transmitted by adopting an encryption algorithm with better confidentiality, all the files do not need to be uniformly stored and read by adopting the same encryption algorithm, and the encryption transmission safety and the transmission efficiency in the cloud storage process can be well balanced.
Specifically, in the embodiment of the present invention, as shown in fig. 2 and 3, the management server 1 further includes: a file fragmentation module 14 and a distributed storage module 15; the file fragmentation module 14 is used for dividing the target file uploaded by the user terminal 2 into a plurality of subfiles; the distributed storage module 15 is configured to store each of the plurality of subfiles to at least one storage node 3 in the cloud platform according to a preset rule.
The management server 1 is provided with the file fragmentation module 14 and the distributed storage module 15, so that the file fragments can be stored in different storage nodes 3, and the storage and reading speed of the file can be improved quickly.
Specifically, in an embodiment of the present invention, the preset rule includes: the number of storage nodes 3 of the corresponding subfile is determined according to the importance level marked by the importance level marking information.
The beneficial effect of adopting the further scheme is that: the sub-files with higher importance levels corresponding to the importance level marking information can be stored in more storage nodes 3, so that data loss caused by damage of partial storage nodes 3 is prevented, and the reliability of the data is improved.
Specifically, in the embodiment of the present invention, as shown in fig. 4, the management server 1 further includes:
and the file merging module 16 is configured to merge the subfiles corresponding to the target file according to a preset merging rule to obtain a pre-transmission target file.
The beneficial effect of adopting the further scheme is that: the file merging module 16 is configured to merge the sub-files to obtain a pre-transmission target file when the user terminal 2 needs to download the file, so that the user terminal 2 can download the corresponding target file.
Specifically, in the embodiment of the present invention, the preset merge rule includes the following steps:
acquiring transmission state information corresponding to the subfiles corresponding to the target file at each storage node 3;
judging the estimated transmission time of each corresponding sub-file returned to the management server 1 by the storage nodes 3 corresponding to each sub-file according to the transmission state information;
sending a command of returning a corresponding subfile to the storage node 3 with the shortest expected transmission time;
And combining the received sub-files into the pre-transmission target file.
The beneficial effect of adopting the further scheme is that: the transmission state information of the storage nodes 3 of the subfiles after the target file is fragmented is obtained in advance, and then the storage nodes 3 with the shortest expected transmission time are screened out to return the corresponding subfiles, so that the transmission rate of the whole subfiles returned to the management server 1 is improved, and the data downloading speed of the user side 2 from the cloud platform is further improved.
Specifically, in the embodiment of the present invention, the transmission status information includes storage performance information and network occupation status information of the storage node 3.
The beneficial effect of adopting the further scheme is that: the storage nodes with poor storage node performance and unsmooth network comparison can be avoided better, the storage nodes with excellent performance and high network transmission rate are selected to return the corresponding subfiles of the target file, the transmission rate of the whole subfiles returned to the management server 1 is further improved, and the data downloading speed of the user side 2 from the cloud platform is improved.
Specifically, in an embodiment of the present invention, the target encryption algorithm includes: base64 encodes an encryption algorithm, a one-item hash function encryption algorithm.
The beneficial effect of adopting the further scheme is that: a simpler encryption algorithm, such as a Base64 encoding encryption algorithm, can be used for faster transmission of a target file with a lower importance level, and a more complex encryption algorithm, such as a single hash function encryption algorithm, can be used for more secure transmission of a target file with a higher importance level.
Specifically, in the embodiment of the present invention, as shown in fig. 5, the management server 1 further includes:
and the time calculation module 17 is used for calculating the transmission progress of the target file in real time and generating transmission progress information.
The beneficial effect of adopting the further scheme is that: the time calculation module 17 can obtain the transmission information of the target file for the user to refer to.
Specifically, in the embodiment of the present invention, as shown in fig. 5, the user side 2 includes: the display control module 22 is configured to receive the transmission progress information, and control the display module 21 to display the transmission progress information.
The beneficial effect of adopting the further scheme is that: the display module 21 and the display control module 22 are arranged, so that the transmission progress of the target file can be conveniently displayed at the user side 2, and the user experience is improved to a certain extent.
Specifically, in the embodiment of the present invention, the user terminal 2 includes a mobile phone, a computer, and a wearable device.
The beneficial effect of adopting the above further scheme is that the diversified setting of the user side 2 is convenient for the user to store and read the cloud files in various use scenes.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A personal data storage system based on a cloud platform is characterized by comprising a management server (1) and a user terminal (2), wherein the management server (1) comprises:
the first judgment module (11) is used for acquiring the importance level marking information of the target file from request information for transmitting the target file sent by the user side (2);
the encryption algorithm matching module (12) is used for matching a corresponding target encryption algorithm according to the important grade mark information;
and the sending module (13) is used for sending an instruction for transmitting the target file by adopting a target encryption algorithm to the user terminal (2).
2. The personal data storage system based on cloud platform according to claim 1, characterized in that the management server (1) further comprises:
a file fragmentation module (14) for dividing the target file uploaded by the user terminal (2) into a plurality of subfiles;
The distributed storage module (15) is used for storing each of the plurality of subfiles to at least one storage node (3) in the cloud platform according to preset rules.
3. The cloud platform-based personal data storage system of claim 2, wherein the preset rules comprise: and determining the number of the storage nodes (3) of the corresponding subfile according to the importance level marked by the importance level marking information.
4. The personal data storage system based on cloud platform according to claim 2, characterized in that the management server (1) further comprises:
and the file merging module (16) is used for merging the subfiles corresponding to the target file according to a preset merging rule to obtain a pre-transmission target file.
5. The cloud platform-based personal data storage system according to claim 4, wherein the preset merge rule comprises the following steps:
acquiring transmission state information of the subfiles corresponding to the target file corresponding to each storage node (3);
judging the expected transmission time of each corresponding sub-file returned to the management server (1) by the plurality of storage nodes (3) corresponding to each sub-file according to the transmission state information;
Sending a command of returning the corresponding subfile to the storage node (3) with the shortest predicted transmission time;
and combining the received sub-files into the pre-transmission target file.
6. The personal data storage system based on the cloud platform is characterized in that the transmission state information comprises storage performance information and network occupation state information of the storage nodes (3).
7. The cloud platform-based personal data storage system of any one of claims 1 to 6, wherein the target encryption algorithm comprises: base64 encodes an encryption algorithm, a one-item hash function encryption algorithm.
8. A cloud platform based personal data storage system according to any one of claims 1 to 6, wherein the management server (1) further comprises:
and the time calculation module (17) is used for calculating the transmission progress of the target file in real time and generating transmission progress information.
9. The personal data storage system based on cloud platform according to claim 8, wherein the user terminal (2) comprises: the display device comprises a display module (21) and a display control module (22), wherein the display control module (22) is used for receiving the transmission progress information and controlling the display module (21) to display the transmission progress information.
10. The personal data storage system based on the cloud platform of claim 9, wherein the user terminal (2) comprises a mobile phone, a computer, and a wearable device.
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| CN115941352A (en) * | 2022-12-29 | 2023-04-07 | 电子科技大学 | Information security interaction method and device based on big data, electronic equipment and storage |
| CN116150786A (en) * | 2023-01-10 | 2023-05-23 | 深圳技术大学 | USB flash disk file encryption system based on instruction key self-setting |
| CN117788461A (en) * | 2024-02-23 | 2024-03-29 | 华中科技大学同济医学院附属同济医院 | Magnetic resonance image quality evaluation system based on image analysis |
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