CN105634727B - A kind of cloud service data encryption, decryption method and the device of electric vehicle - Google Patents
A kind of cloud service data encryption, decryption method and the device of electric vehicle Download PDFInfo
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- CN105634727B CN105634727B CN201511033237.0A CN201511033237A CN105634727B CN 105634727 B CN105634727 B CN 105634727B CN 201511033237 A CN201511033237 A CN 201511033237A CN 105634727 B CN105634727 B CN 105634727B
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- data information
- ciphertext
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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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
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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
Abstract
The present invention relates to cloud service data encryption, decryption method and the devices of a kind of electric vehicle, comprising: obtains status data information；The status data information is segmented to obtain multiple segment data information；The multiple segment data information is encrypted respectively to obtain multiple sectional encryption data informations；The multiple sectional encryption data information is recombinated to obtain ciphered data information；The ciphered data information is sent to cloud server, further includes being segmented to obtain multiple sectional encryption data informations to the ciphered data information；The multiple sectional encryption data information is decrypted respectively to obtain multiple segment data information；The multiple segment data information is recombinated to obtain status data information；Read the status data information.The present invention reveal the file information will not, provide guarantee using electric vehicle for user security.
Description
Technical field
The present invention relates to computer application technologies, cloud service data encryption, solution more particularly to a kind of electric vehicle
Decryption method and device.
Background technique
As people increasingly pay attention to the protection of individual privacy, more and more people need to carry out the file information of oneself
Protection.If do not protected to the file information, user cannot just be ensured using the safety of electric vehicle.Common encryption side
Formula is the first selected file or file for needing to encrypt, and is encrypted later by the encryption key of default, to guarantee
The safety of data information.Above-mentioned encryption method is encrypted to entire file or folder, if the file or folder of storage is got over
Greatly, the time spent required for encrypting to it is longer；Correspondingly, also can be longer to file decryption the time it takes, this is right
User causes great inconvenience.
Summary of the invention
Technical problem to be solved by the invention is to provide cloud service data encryption, decryption method and the dresses of a kind of electric vehicle
It sets.
The technical scheme to solve the above technical problems is that a kind of cloud service data ciphering method of electric vehicle,
It include: to obtain status data information；The status data information is segmented to obtain multiple segment data information；It will be described more
A segment data information is encrypted to obtain multiple sectional encryption data informations respectively；To the multiple sectional encryption data information
It is recombinated to obtain ciphered data information；The ciphered data information is sent to cloud server.
The beneficial effects of the present invention are: central control system is monitored acquisition status data by the modules to electric vehicle
Information, and status data information is encrypted, to improve the safety of data information transfer.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the segment data information includes multiple data informations, described by the multiple segment data information
Encrypted to obtain multiple sectional encryption data informations respectively include:
Obtain the corresponding key of the multiple position data information；
It is encrypted the multiple position data information and the corresponding key of the multiple position data information to obtain institute
State the ciphertext of multiple data informations；
The ciphertext of the multiple position data information is combined to obtain the sectional encryption data information.
Further, the corresponding key of the multiple position data information that obtains includes repeating following iteration
Processing, until all the multiple position data information is all traversed:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
Another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of cloud service data deciphering side of electric vehicle
Method, comprising: receive the ciphered data information that central control system is sent；The ciphered data information is segmented to obtain multiple segmentations
Ciphered data information；The multiple sectional encryption data information is decrypted respectively to obtain multiple segment data information；To institute
Multiple segment data information are stated to be recombinated to obtain status data information；Read the status data information.
The invention has the advantages that the ciphered data information that cloud server is sent by receiving central control system, will add
Ciphertext data information is decrypted and reads status data information, so that the file information be made not reveal, uses electricity for user security
Motor-car provides guarantee.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the sectional encryption data information includes the ciphertext of multiple data informations, described by the multiple point
Section ciphered data information is decrypted to obtain multiple segment data information respectively
The corresponding key of ciphertext of the ciphertext of the multiple position data information and the multiple position data information is solved
It is close to obtain multiple data informations；
The multiple position data information is combined to obtain the segment data information.
Further, the ciphertext by the ciphertext of the multiple position data information and the multiple position data information is corresponding
Key is decrypted to obtain multiple data informations to include repeating following processing, until all the multiple digits it is believed that
The ciphertext of breath is all traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
Another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of cloud service data encryption dress of electric vehicle
It sets, comprising: acquiring unit, for obtaining status data information；First segmenting unit, for being carried out to the status data information
Segmentation obtains multiple segment data information；Encryption unit, for being encrypted to obtain the multiple segment data information respectively
Multiple sectional encryption data informations；First recomposition unit, for being recombinated to obtain to the multiple sectional encryption data information
The ciphered data information；Transmission unit, for the ciphered data information to be sent to cloud server.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the segment data information includes multiple data informations, and the encryption unit includes:
Key acquiring unit, for obtaining the corresponding key of the multiple position data information；
Ciphertext generation unit, for the multiple position data information and the multiple position data information is corresponding close
Key is encrypted to obtain the ciphertext of the multiple position data information；
First assembled unit obtains the sectional encryption number for the ciphertext of the multiple position data information to be combined
It is believed that breath.
Further, the key acquiring unit includes repeating following iterative processing, until all the multiple digits
It is believed that breath is all traversed:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
Another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of cloud service data deciphering dress of electric vehicle
It sets, comprising: receiving unit, for receiving the ciphered data information of central control system transmission；Second segmenting unit, for adding to described
Ciphertext data information is segmented to obtain multiple sectional encryption data informations；Decryption unit is used for the multiple sectional encryption number
It is believed that breath is decrypted to obtain multiple segment data information respectively；Second recomposition unit, for the multiple segments it is believed that
Breath is recombinated to obtain status data information；Reading unit, for reading the status data information.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the sectional encryption data information includes the ciphertext of multiple data informations, and the decryption unit includes:
Position data information generation unit, for by the ciphertext of the multiple position data information and the multiple position data information
The corresponding key of ciphertext be decrypted to obtain multiple data informations；
Second assembled unit obtains the segment data information for the multiple position data information to be combined.
Further, the position data information generation unit includes repeating following processing, until all the multiple positions
The ciphertext of data information is all traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
Detailed description of the invention
Fig. 1 is a kind of cloud service data ciphering method flow chart of electric vehicle provided in an embodiment of the present invention；
Fig. 2 is a kind of cloud service data decryption method flow chart of electric vehicle provided in an embodiment of the present invention；
Fig. 3 is a kind of cloud service data encryption device schematic diagram of electric vehicle provided in an embodiment of the present invention；
Fig. 4 is a kind of cloud service data decryption apparatus schematic diagram of electric vehicle provided in an embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
31, acquiring unit, the 32, first segmenting unit, 33, encryption unit, the 34, first recomposition unit, 35, transmission unit,
41, receiving unit, the 42, second segmenting unit, 43, decryption unit, the 44, second recomposition unit, 45, reading unit.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Fig. 1 is a kind of cloud service data ciphering method flow chart of electric vehicle provided in an embodiment of the present invention.
Referring to Fig.1, executing subject is central control system, in step S101, obtains status data information.
Here, status data information is the data information of electric vehicle modules, such as the electricity data information of battery, electricity
Driving mileage data information of motor-car etc..
In step S102, the status data information is segmented to obtain multiple segment data information.
In step S103, the multiple segment data information is encrypted respectively to obtain multiple sectional encryption data letters
Breath；
In step S104, the multiple sectional encryption data information is recombinated to obtain ciphered data information.
Here, status data information is segmented to obtain multiple segment data information, by each segment data information point
It is not encrypted to obtain each sectional encryption data information, then each sectional encryption data information is recombinated.
In step S105, the ciphered data information is sent to cloud server.
Here, central control system can also receive the command information of cloud server transmission, and according to the command information received
Execute operation.
Further, the segment data information includes multiple data informations, described by the multiple segment data information
Encrypted to obtain multiple sectional encryption data informations respectively include:
Obtain the corresponding key of the multiple position data information；
It is encrypted the multiple position data information and the corresponding key of the multiple position data information to obtain institute
State the ciphertext of multiple data informations；
The ciphertext of the multiple position data information is combined to obtain the sectional encryption data information.
Further, the corresponding key of the multiple position data information that obtains includes repeating following iteration
Processing, until all the multiple position data information is all traversed:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
Here, the key of second position data information is first obtained according to the initial key of the first position data information, further according to
The key of second position data information obtains the key of third position position data information, and so on, until obtaining all data
The key of information.
Fig. 2 is a kind of cloud service data decryption method flow chart of electric vehicle provided in an embodiment of the present invention.
Referring to Fig. 2, executing subject is cloud server, in step S201, receives the encryption data letter that central control system is sent
Breath.
In step S202, the ciphered data information is segmented to obtain multiple sectional encryption data informations；
In step S203, be decrypted the multiple sectional encryption data information to obtain multiple segments respectively it is believed that
Breath；
In step S204, the multiple segment data information is recombinated to obtain status data information.
Here, cloud server receive central control system transmission ciphered data information, need by ciphered data information into
Row decryption obtains status data information.
In step S205, the status data information is read.
Further, the sectional encryption data information includes the ciphertext of multiple data informations, described by the multiple point
Section ciphered data information is decrypted to obtain multiple segment data information respectively
The corresponding key of ciphertext of the ciphertext of the multiple position data information and the multiple position data information is solved
It is close to obtain multiple data informations；
The multiple position data information is combined to obtain the segment data information.
Further, the ciphertext by the ciphertext of the multiple position data information and the multiple position data information is corresponding
Key is decrypted to obtain multiple data informations to include repeating following processing, until all the multiple digits it is believed that
The ciphertext of breath is all traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
Here, the ciphertext of the first position data and corresponding key are decrypted to obtain the first position data information, then by
The ciphertext and the corresponding key of second position data of two position data are decrypted to obtain second position data information, successively class
It pushes away, until the ciphertext of all position data informations is all traversed.
Fig. 3 is a kind of cloud service data encryption device schematic diagram of electric vehicle provided in an embodiment of the present invention
Referring to Fig. 3, encryption device includes acquiring unit 31, the first segmenting unit 32, encryption unit 33, the first recomposition unit
34 and transmission unit 35.
Acquiring unit 31, for obtaining status data information.
First segmenting unit 32 obtains multiple segment data information for being segmented to the status data information.
Encryption unit 33 obtains multiple sectional encryption data for being encrypted the multiple segment data information respectively
Information.
First recomposition unit 34 obtains encryption data letter for being recombinated to the multiple sectional encryption data information
Breath.
Transmission unit 35, for the ciphered data information to be sent to cloud server.
Further, the segment data information includes multiple data informations, and the encryption unit 33 includes:
Key acquiring unit (not shown) is for obtaining the corresponding key of the multiple position data information；
Ciphertext generation unit (not shown) is used to distinguish the multiple position data information and the multiple position data information
Corresponding key is encrypted to obtain the ciphertext of the multiple position data information；
First assembled unit (not shown) is used to that the ciphertext of the multiple position data information to be combined to obtain described point
Section ciphered data information.
Further, the key acquiring unit (not shown) includes repeating following iterative processing, until described in whole
Multiple data informations are all traversed:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
Fig. 4 is a kind of cloud service data decryption apparatus schematic diagram of electric vehicle provided in an embodiment of the present invention.
Referring to Fig. 4, decryption device includes receiving unit 41, the second segmenting unit 42, decryption unit 43, the second recomposition unit
44 and reading unit 45.
Receiving unit 41, for receiving the ciphered data information of central control system transmission.
Second segmenting unit 42 obtains multiple sectional encryption data letters for being segmented to the ciphered data information
Breath.
Decryption unit 43, for being decrypted the multiple sectional encryption data information to obtain multiple segment datas respectively
Information.
Second recomposition unit 44, for being recombinated to obtain status data information to the multiple segment data information.
Reading unit 45, for reading the status data information.
Further, the sectional encryption data information includes the ciphertext of multiple data informations, and the decryption unit 43 is wrapped
It includes:
Position data information generation unit (not shown) is used for the ciphertext of the multiple position data information and the multiple position
The corresponding key of the ciphertext of data information is decrypted to obtain multiple data informations；
Second assembled unit (not shown) is for being combined the multiple position data information to obtain the segment data
Information.
Further, the position data information generation unit (not shown) includes repeating following processing, until whole institutes
The ciphertext for stating multiple data informations is all traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of cloud service data ciphering method of electric vehicle characterized by comprising
Obtain status data information；
The status data information is segmented to obtain multiple segment data information；
The multiple segment data information is encrypted respectively to obtain multiple sectional encryption data informations；
The multiple sectional encryption data information is recombinated to obtain ciphered data information；
The ciphered data information is sent to cloud server；
The segment data information includes multiple data informations, described to encrypt the multiple segment data information respectively
Obtaining multiple sectional encryption data informations includes:
Obtain the corresponding key of the multiple position data information；
The multiple position data information and the corresponding key of the multiple position data information are encrypted to obtain described more
The ciphertext of bit data information；
The ciphertext of the multiple position data information is combined to obtain the sectional encryption data information；
The corresponding key of the multiple position data information that obtains includes repeating following iterative processing, until complete
The multiple position data information in portion is all traversed:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
2. a kind of cloud service data decryption method of electric vehicle characterized by comprising
Receive the ciphered data information that central control system is sent；
The ciphered data information is segmented to obtain multiple sectional encryption data informations；
The multiple sectional encryption data information is decrypted respectively to obtain multiple segment data information；
The multiple segment data information is recombinated to obtain status data information；
Read the status data information；
The sectional encryption data information includes the ciphertext of multiple data informations, described to believe the multiple sectional encryption data
Breath is decrypted to obtain multiple segment data information respectively
The corresponding key of ciphertext of the ciphertext of the multiple position data information and the multiple position data information is decrypted
To multiple data informations；
The multiple position data information is combined to obtain the segment data information；
The corresponding key of ciphertext by the ciphertext of the multiple position data information and the multiple position data information solves
Close to obtain multiple data informations include repeating following processing, until all the ciphertext of the multiple position data informations is all
It is traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
3. a kind of cloud service data encryption device of electric vehicle characterized by comprising
Acquiring unit, for obtaining status data information；
First segmenting unit obtains multiple segment data information for being segmented to the status data information；
Encryption unit obtains multiple sectional encryption data informations for being encrypted the multiple segment data information respectively；
First recomposition unit, for being recombinated to obtain ciphered data information to the multiple sectional encryption data information；
Transmission unit, for the ciphered data information to be sent to cloud server；
The segment data information includes multiple data informations, and the encryption unit includes:
Key acquiring unit, for obtaining the corresponding key of the multiple position data information；
Ciphertext generation unit, for by the multiple position data information and the corresponding key of the multiple position data information into
Row encryption obtains the ciphertext of the multiple position data information；
First assembled unit obtains the sectional encryption data letter for the ciphertext of the multiple position data information to be combined
Breath；
The key acquiring unit includes repeating following iterative processing, until all the multiple position data informations all by
Traversal:
The first position data information is chosen from the multiple position data information as present bit data information；
Obtain the initial key of the present bit data information；
Initial key progress dynamic mapping is obtained into rear one digit number it is believed that the key ceased.
4. a kind of cloud service data decryption apparatus of electric vehicle characterized by comprising
Receiving unit, for receiving the ciphered data information of central control system transmission；
Second segmenting unit obtains multiple sectional encryption data informations for being segmented to the ciphered data information；
Decryption unit obtains multiple segment data information for the multiple sectional encryption data information to be decrypted respectively；
Second recomposition unit, for being recombinated to obtain status data information to the multiple segment data information；
Reading unit, for reading the status data information；
The sectional encryption data information includes the ciphertext of multiple data informations, and the decryption unit includes:
Position data information generation unit, for by the close of the ciphertext of the multiple position data information and the multiple position data information
The corresponding key of text is decrypted to obtain multiple data informations；
Second assembled unit obtains the segment data information for the multiple position data information to be combined；
The position data information generation unit includes repeating following processing, until whole the multiple position data informations
Ciphertext is all traversed:
The ciphertext of the first position data information is chosen from the ciphertext of the multiple position data information as current ciphertext；
It is decrypted the current ciphertext and the corresponding key of the current ciphertext to obtain present bit data information.
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| CN107733904A (en) * | 2017-10-24 | 2018-02-23 | 郑州云海信息技术有限公司 | A kind of method, apparatus and platform of virtual-machine data encryption and decryption |
| CN112788522A (en) * | 2020-12-24 | 2021-05-11 | 深兰科技（上海）有限公司 | Electric bicycle communication system, unlocking method, communication method and communication box |
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| CN102594548A (en) * | 2012-03-22 | 2012-07-18 | 山东泰信电子有限公司 | Method capable of achieving data sectional encryption and decryption |
| CN103414682A (en) * | 2013-04-07 | 2013-11-27 | 深圳大学 | Method for cloud storage of data and system |
| CN104065686A (en) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | Multi-layer encryption transmission method for files, encryption end and decryption end |
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| CN102063598A (en) * | 2009-11-17 | 2011-05-18 | 北大方正集团有限公司 | Data encryption and decryption methods and devices |
| CN102594548A (en) * | 2012-03-22 | 2012-07-18 | 山东泰信电子有限公司 | Method capable of achieving data sectional encryption and decryption |
| CN104065686A (en) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | Multi-layer encryption transmission method for files, encryption end and decryption end |
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