CN107733904A - A kind of method, apparatus and platform of virtual-machine data encryption and decryption - Google Patents
A kind of method, apparatus and platform of virtual-machine data encryption and decryption Download PDFInfo
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- CN107733904A CN107733904A CN201711000919.0A CN201711000919A CN107733904A CN 107733904 A CN107733904 A CN 107733904A CN 201711000919 A CN201711000919 A CN 201711000919A CN 107733904 A CN107733904 A CN 107733904A
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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
-
- 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
- H04L63/0464—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 using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it
-
- 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
Abstract
The invention discloses a kind of virtual-machine data encryption method, it is characterised in that and the virtual-machine data for cloud computing operating system is transmitted, including：Raw data file is segmented to obtain multiple file sections, and sequence number of the multiple file section in raw data file is recorded in segment information；Ciphertext data are obtained using the multiple file section is encrypted from the encryption key that server obtains；The ciphertext data are combined to obtain data file encryption according to the segment information.From technical scheme, virtual-machine data is segmented, encrypts the security for improving that virtual-machine data is transmitted, accesses, accessed in cloud computing operating system.
Description
Technical field
The present invention relates to cloud computing technology, espespecially a kind of virtual-machine data encryption and decryption method and device.
Background technology
Currently, cloud computing industry has become the important component of electronics and information industry, has greatly promoted technology hair
Exhibition and social progress.Wherein, virtualization is the core technology of cloud computing, and virtual machine is held as cloud computing resources service and business
The final carrier carried, the safe efficient access and access of its data, be weigh cloud computing operating system functional stabilization and
The key index of performance reliability.
Existing most cloud computing operating systems are not directed to the safe efficient access and access of virtual-machine data
The optimization of property, for such significant data, it is necessary to carry out special safe handling to it.
The content of the invention
In order to solve the above-mentioned technical problem, the embodiment provides a kind of virtual-machine data encryption method, it is special
Sign is that the virtual-machine data for cloud computing operating system is transmitted, and the virtual-machine data encryption method includes：
Raw data file is segmented to obtain multiple file sections, and by the multiple file section in initial data text
Sequence number in part is recorded in segment information；
Ciphertext data are obtained using the multiple file section is encrypted from the encryption key that server obtains；
The ciphertext data are combined to obtain data file encryption according to the segment information.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption method, it is characterised in that are grasped for cloud computing
Make the virtual-machine data transmission of system, the virtual-machine data decryption method includes：
The data file encryption got is segmented to obtain multiple file sections, and the multiple file section is being added
Sequence number in ciphertext data file is recorded in segment information；
Clear data is obtained using the multiple file section is decrypted from the decruption key that server obtains；
The clear data is combined to obtain raw data file according to the segment information.
Embodiments of the invention additionally provide a kind of virtual-machine data encryption device, it is characterised in that are grasped for cloud computing
Make the virtual-machine data transmission of system, the virtual-machine data encryption device includes：
Segmentation module, multiple file sections are obtained for being segmented to raw data file, and by the multiple file
Sequence number of the section in raw data file is recorded in segment information；
Encrypting module, for using from server obtain encryption key the multiple file section is encrypted obtain it is close
Literary data；
Composite module, for being combined to obtain data file encryption to the ciphertext data according to the segment information.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption device, it is characterised in that are grasped for cloud computing
Make the virtual-machine data transmission of system, the virtual-machine data decryption device includes：
Segmentation module, multiple file sections are obtained for being segmented to the data file encryption got, and by described in
Sequence number of multiple file sections in data file encryption is recorded in segment information；
Deciphering module, for using from server obtain decruption key the multiple file section is decrypted obtain it is bright
Literary data；
Composite module, for being combined to obtain raw data file to the clear data according to the segment information.
Embodiments of the invention additionally provide a kind of virtual-machine data Encryption Platform, including memory, processor and storage
On the memory and the computer program that can run on the processor, it is characterised in that the computing device institute
The processing of above-mentioned virtual-machine data encryption method is realized when stating computer program.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption platform, including memory, processor and storage
On the memory and the computer program that can run on the processor, it is characterised in that the computing device institute
The processing of above-mentioned virtual-machine data decryption method is realized when stating computer program.
In above-described embodiment scheme, when virtual-machine data is transmitted, virtual-machine data is subjected to data sectional first, then
Data after segmentation are encrypted, transmits, store, access after being finally combined to ciphertext data, improve cloud computing behaviour
Make virtual-machine data access, the security accessed in system.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the flow chart of the virtual-machine data encryption method of the embodiment of the present invention；
Fig. 2 is the flow chart of the virtual-machine data decryption method of the embodiment of the present invention；
Fig. 3 is the structural representation of the virtual-machine data encryption device of the embodiment of the present invention；
Fig. 4 is that the virtual-machine data of the embodiment of the present invention decrypts the structural representation of device.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Can be in the computer system of such as one group computer executable instructions the flow of accompanying drawing illustrates the step of
Perform.Also, although logical order is shown in flow charts, in some cases, can be with suitable different from herein
Sequence performs shown or described step.
The embodiment provides a kind of virtual-machine data encryption method, as shown in figure 1, this method includes：
Step 101, raw data file is segmented to obtain multiple file sections, and by the multiple file section in original
Sequence number in beginning data file is recorded in segment information.
In the present embodiment, when virtual-machine data is transmitted, cloud computing operating system data encryption end obtains first to be needed to pass
Defeated virtual-machine data file, then raw data file is carried out according to the file section size of set raw data file
Segmentation, obtains multiple file sections, and the relative position (sequence of i.e. each file section by each file section in raw data file
Number) be recorded in segment information, segment information is stored in each file section.The file section size of raw data file can be by
User independently sets according to the size of raw data file, is represented with byte number.But can also be equal to all raw data files
Use fixed file section size.
Step 102, ciphertext number is obtained using the multiple file section is encrypted from the encryption key that server obtains
According to.
In the present embodiment, the encryption key prestored is obtained from server end first, using symmetric key encryption algorithm
Ciphertext data are obtained after multiple file sections are encrypted.In symmetric key encryption algorithm, encryption key can be close from decrypting
Calculated in key, while decruption key can also calculate from encryption key.In the present embodiment, encryption key and decryption
Key is identical.In other embodiments, asymmetric-key encryption algorithm can be used, now encryption key and decruption key
Can also be different.
Step 103, ciphertext data are combined to obtain data file encryption according to segment information.
In the present embodiment, file fragment position (sequence of i.e. each file section in raw data file based on foregoing record
Number), the file section after encryption is combined to the data obtained after being encrypted to raw data file, and in cloud computing operating system
In be transmitted.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption method, as shown in Fig. 2 this method includes：
Step 201, the data file encryption got is segmented to obtain multiple file sections, and by the multiple text
Sequence number of the part section in data file encryption is recorded in segment information.
In the present embodiment, after virtual-machine data is transmitted, cloud computing operating system decrypting end adds for what is got
Ciphertext data file (ciphertext got), data file encryption is carried out according to the file section size of the data file encryption of setting
Segmentation, and relative position (sequence number of i.e. each file section) of each file section in data file encryption is recorded in segmentation letter
In breath, segment information is stored in each file section.
Step 202, plaintext number is obtained using the multiple file section is decrypted from the decruption key that server obtains
According to.
In the present embodiment, the decruption key prestored, the decruption key and encryption key are obtained from server end first
It is corresponding.Above-mentioned each file section is decrypted to obtain clear data using decruption key.
Step 203, the clear data is combined to obtain raw data file according to the segment information.
In the present embodiment, file fragment position (sequence of i.e. each file section in data file encryption based on foregoing record
Number), the file section after decryption is combined to the raw data file for obtaining and initially transmitting, transmission, storage is finally completed and visits
Ask.
Embodiments of the invention additionally provide a kind of virtual-machine data encryption device, as shown in figure 3, the device includes：
Segmentation module 301, multiple file sections are obtained for being segmented to raw data file, and by the multiple text
Sequence number of the part section in raw data file is recorded in segment information；
Encrypting module 302, obtained for the multiple file section to be encrypted using the encryption key obtained from server
Obtain ciphertext data；
Composite module 303, for being combined to obtain encryption data text to the ciphertext data according to the segment information
Part.
In the present embodiment, the segmentation module 301 is segmented to raw data file to obtain multiple file sections, bag
Include：File section size according to the raw data file of setting is segmented to the raw data file.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption device, as shown in figure 4, the device includes：
Segmentation module 401, multiple file sections are obtained for being segmented to the data file encryption got, and by institute
Sequence number of multiple file sections in data file encryption is stated to be recorded in segment information；
Deciphering module 402, obtained for the multiple file section to be decrypted using the decruption key obtained from server
Obtain clear data；
Composite module 403, for being combined to obtain initial data text to the clear data according to the segment information
Part.
In the present embodiment, the segmentation module 401 is segmented to the data file encryption got to obtain multiple texts
Part section, including：File section size according to the data file encryption of setting is segmented to data file encryption.
It can be seen from the above technical proposal that when virtual-machine data is transmitted, by the virtual machine number of cloud computing operating system
According to data sectional is carried out first, then the data after segmentation are encrypted using symmetric key encryption algorithm, finally to ciphertext
Transmission, storage, access, improve the security that virtual-machine data accesses in cloud computing operating system after data are combined.
In actual applications, the segmentation module 301,401 in the virtual-machine data encryption device and decryption device, adds
Close, deciphering module 302,402 and composite module 303,403 can be by encrypting, decrypting the centre of device positioned at virtual-machine data
Manage device (Central Processing Unit, CPU), microprocessor (Micro Processor Unit, MPU), data signal
Processor (Digital Signal Processor, DSP) or field programmable gate array (Field Programmable
Gate Array, FPGA) etc. realize.
Embodiments of the invention additionally provide a kind of virtual-machine data Encryption Platform, including memory, processor and storage
On the memory and the computer program that can run on the processor, it is characterised in that the computing device institute
The processing of above-mentioned virtual-machine data encryption method is realized when stating computer program.
Embodiments of the invention additionally provide a kind of virtual-machine data decryption platform, including memory, processor and storage
On the memory and the computer program that can run on the processor, it is characterised in that the computing device institute
The processing of above-mentioned virtual-machine data decryption method is realized when stating computer program.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use
Embodiment, it is not limited to the present invention.Technical staff in any art of the present invention, taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of virtual-machine data encryption method, it is characterised in that the virtual-machine data for cloud computing operating system is transmitted, institute
Stating virtual-machine data encryption method includes：
Raw data file is segmented to obtain multiple file sections, and by the multiple file section in raw data file
Sequence number be recorded in segment information；
Ciphertext data are obtained using the multiple file section is encrypted from the encryption key that server obtains；
The ciphertext data are combined to obtain data file encryption according to the segment information.
2. virtual-machine data encryption method according to claim 1, it is characterised in that
It is described raw data file to be segmented to obtain multiple file sections, including：According to the raw data file of setting
File section size is segmented to the raw data file.
3. a kind of virtual-machine data decryption method, it is characterised in that the virtual-machine data for cloud computing operating system is transmitted, institute
Stating virtual-machine data decryption method includes：
The data file encryption got is segmented to obtain multiple file sections, and by the multiple file section in encryption number
It is recorded according to the sequence number in file in segment information；
Clear data is obtained using the multiple file section is decrypted from the decruption key that server obtains；
The clear data is combined to obtain raw data file according to the segment information.
4. virtual-machine data decryption method according to claim 3, it is characterised in that
The described pair of data file encryption got is segmented to obtain multiple file sections, including：According to the encryption number of setting
The data file encryption is segmented according to the file section size of file.
5. a kind of virtual-machine data encryption device, it is characterised in that the virtual-machine data for cloud computing operating system is transmitted, institute
Stating virtual-machine data encryption device includes：
Segmentation module, exist for being segmented to raw data file to obtain multiple file sections, and by the multiple file section
Sequence number in raw data file is recorded in segment information；
Encrypting module, ciphertext number is obtained for the multiple file section to be encrypted using the encryption key obtained from server
According to；
Composite module, for being combined to obtain data file encryption to the ciphertext data according to the segment information.
6. virtual-machine data encryption device according to claim 5, it is characterised in that
It is described raw data file to be segmented to obtain multiple file sections, including：According to the raw data file of setting
File section size is segmented to the raw data file.
7. a kind of virtual-machine data decrypts device, it is characterised in that the virtual-machine data for cloud computing operating system is transmitted, institute
Stating virtual-machine data decryption device includes：
Segmentation module, multiple file sections are obtained for being segmented to the data file encryption got, and will be the multiple
Sequence number of the file section in data file encryption is recorded in segment information；
Deciphering module, plaintext number is obtained for the multiple file section to be decrypted using the decruption key obtained from server
According to；
Composite module, for being combined to obtain raw data file to the clear data according to the segment information.
8. virtual-machine data according to claim 7 decrypts device, it is characterised in that
The described pair of data file encryption got is segmented to obtain multiple file sections, including：According to the encryption number of setting
The data file encryption is segmented according to the file section size of file.
9. a kind of virtual-machine data Encryption Platform, including memory, processor and it is stored on the memory and can be described
The computer program run on processor, it is characterised in that realize such as right described in the computing device during computer program
It is required that the processing of the method any one of 1-2.
10. a kind of virtual-machine data decrypts platform, including memory, processor and it is stored on the memory and can be described
The computer program run on processor, it is characterised in that realize such as right described in the computing device during computer program
It is required that the processing of the method any one of 3-4.
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| CN201711000919.0A CN107733904A (en) | 2017-10-24 | 2017-10-24 | A kind of method, apparatus and platform of virtual-machine data encryption and decryption |
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| CN201711000919.0A CN107733904A (en) | 2017-10-24 | 2017-10-24 | A kind of method, apparatus and platform of virtual-machine data encryption and decryption |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900511A (en) * | 2018-06-29 | 2018-11-27 | 中兴通讯股份有限公司 | A kind of method, device and equipment of file encryption and decryption |
| CN110032680A (en) * | 2019-04-16 | 2019-07-19 | 北京网聘咨询有限公司 | Big data analysis method and system |
| CN110516455A (en) * | 2019-08-16 | 2019-11-29 | 青岛大快搜索计算技术股份有限公司 | A kind of method of source of tax revenue data encryption processing |
| CN110708154A (en) * | 2019-08-31 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Virtual machine migration method, system, terminal and storage medium |
| CN110958255A (en) * | 2019-12-06 | 2020-04-03 | 杭州安恒信息技术股份有限公司 | Data transmission method and device, electronic equipment and storage medium |
| CN111049856A (en) * | 2019-12-26 | 2020-04-21 | 中国联合网络通信集团有限公司 | Authentication method and device |
| CN113141329A (en) * | 2020-01-16 | 2021-07-20 | 中移(上海)信息通信科技有限公司 | Big data mining method, device, equipment and storage medium |
| CN113225297A (en) * | 2020-01-21 | 2021-08-06 | 北京国双科技有限公司 | Data hybrid encryption method, device and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060064383A1 (en) * | 2004-09-20 | 2006-03-23 | Aaron Marking | Media on demand via peering |
| CN103825885A (en) * | 2014-01-23 | 2014-05-28 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Internet content encryption release method and system |
| CN104009835A (en) * | 2014-05-16 | 2014-08-27 | 南京邮电大学 | File encrypting and decrypting method allowing parallel computing to be conducted in cloud storage system |
| CN105634727A (en) * | 2015-12-31 | 2016-06-01 | 江苏小牛电动科技有限公司 | Cloud service data encryption and decryption methods and apparatus for electric vehicle |
| CN105763315A (en) * | 2014-12-16 | 2016-07-13 | 展讯通信（深圳）有限公司 | Data encryption and decryption method and apparatus thereof, and communication system |
| CN106788982A (en) * | 2017-02-22 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of sectional encryption transmission method and device |
-
2017
- 2017-10-24 CN CN201711000919.0A patent/CN107733904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060064383A1 (en) * | 2004-09-20 | 2006-03-23 | Aaron Marking | Media on demand via peering |
| CN103825885A (en) * | 2014-01-23 | 2014-05-28 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Internet content encryption release method and system |
| CN104009835A (en) * | 2014-05-16 | 2014-08-27 | 南京邮电大学 | File encrypting and decrypting method allowing parallel computing to be conducted in cloud storage system |
| CN105763315A (en) * | 2014-12-16 | 2016-07-13 | 展讯通信（深圳）有限公司 | Data encryption and decryption method and apparatus thereof, and communication system |
| CN105634727A (en) * | 2015-12-31 | 2016-06-01 | 江苏小牛电动科技有限公司 | Cloud service data encryption and decryption methods and apparatus for electric vehicle |
| CN106788982A (en) * | 2017-02-22 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of sectional encryption transmission method and device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900511A (en) * | 2018-06-29 | 2018-11-27 | 中兴通讯股份有限公司 | A kind of method, device and equipment of file encryption and decryption |
| CN108900511B (en) * | 2018-06-29 | 2022-05-06 | 中兴通讯股份有限公司 | File encryption and decryption method, device and equipment |
| CN110032680A (en) * | 2019-04-16 | 2019-07-19 | 北京网聘咨询有限公司 | Big data analysis method and system |
| CN110516455A (en) * | 2019-08-16 | 2019-11-29 | 青岛大快搜索计算技术股份有限公司 | A kind of method of source of tax revenue data encryption processing |
| CN110708154A (en) * | 2019-08-31 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Virtual machine migration method, system, terminal and storage medium |
| CN110708154B (en) * | 2019-08-31 | 2022-05-10 | 苏州浪潮智能科技有限公司 | Virtual machine migration method, system, terminal and storage medium |
| CN110958255A (en) * | 2019-12-06 | 2020-04-03 | 杭州安恒信息技术股份有限公司 | Data transmission method and device, electronic equipment and storage medium |
| CN111049856A (en) * | 2019-12-26 | 2020-04-21 | 中国联合网络通信集团有限公司 | Authentication method and device |
| CN113141329A (en) * | 2020-01-16 | 2021-07-20 | 中移(上海)信息通信科技有限公司 | Big data mining method, device, equipment and storage medium |
| CN113141329B (en) * | 2020-01-16 | 2023-04-18 | 中移(上海)信息通信科技有限公司 | Big data mining method, device, equipment and storage medium |
| CN113225297A (en) * | 2020-01-21 | 2021-08-06 | 北京国双科技有限公司 | Data hybrid encryption method, device and equipment |
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