CN106788982A - A kind of sectional encryption transmission method and device - Google Patents
A kind of sectional encryption transmission method and device Download PDFInfo
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- CN106788982A CN106788982A CN201710096145.XA CN201710096145A CN106788982A CN 106788982 A CN106788982 A CN 106788982A CN 201710096145 A CN201710096145 A CN 201710096145A CN 106788982 A CN106788982 A CN 106788982A
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- 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
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
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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
- 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
- H04L63/0435—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 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
-
- 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
Abstract
The present invention provides a kind of sectional encryption transmission method, including：Obtain be-encrypted data；Be-encrypted data is divided into multiple data segments；Relative position of the record data section in be-encrypted data；Data segment is encrypted respectively based on predetermined encryption algorithm obtains being segmented ciphertext；Relative position based on data segment in be-encrypted data is combined as complete ciphertext by ciphertext is segmented；Transmit complete ciphertext to decrypting end.Relative to the method that the mode that directly be-encrypted data is encrypted and is transmitted in the prior art, the present invention are provided, the data volume of single encryption greatly reduces, it is possible to decrease the requirement to hardware, saves the cost of Data Encryption Transmission.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of sectional encryption transmission method and device.
Background technology
In the communication technology, in order to improve the security of communication, typically Content of Communication is encrypted.Encryption, is with certain
Plant special algorithm and change original information data so that though the information that the user of unauthorized has been encrypted, but because not
The method for knowing decryption, still cannot understand the content of information.
In the prior art, transmission is encrypted for file, conventional method is that whole file is encrypted, Ran Houtong
Network is crossed to be transmitted.It is higher to hardware requirement due to containing much information for need to encrypting, increased the cost of file encryption transmission.
Accordingly, it is desirable to be able to there is a kind of low method that can realize quick encrypted transmission of hardware requirement.
The content of the invention
In view of this, it is an object of the invention to provide a kind of sectional encryption transmission method, data can be first segmented and is added again
Close, reduction once needs the data volume of encryption, reduces the requirement to hardware, reduces the cost of Data Encryption Transmission, improves and adds
Close speed.
A kind of sectional encryption transmission method, including：
Obtain be-encrypted data；
Be-encrypted data is divided into multiple data segments；
Relative position of the record data section in be-encrypted data；
Data segment is encrypted respectively based on predetermined encryption algorithm obtains being segmented ciphertext；
Relative position based on data segment in be-encrypted data is combined as complete ciphertext by ciphertext is segmented；
Transmit complete ciphertext to decrypting end.
Preferably, predetermined encryption algorithm is symmetric key encryption algorithm.
Preferably, different data segments can use different symmetric key encryption algorithms
A kind of sectional encryption transmission method, including：
Receive the complete ciphertext that encryption end sends；
Complete ciphertext is divided into multiple segmentation ciphertexts；
Relative position of the record segmentation ciphertext in complete ciphertext；
Ciphertext decryption will be segmented based on default decipherment algorithm and obtain multiple data segments；
Data segment is combined as to complete data based on relative position of the segmentation ciphertext in complete ciphertext.
A kind of sectional encryption transmitting device, including：
First receiving unit, for obtaining be-encrypted data；
First segmenting unit, for be-encrypted data to be divided into multiple data segments；
First temporary storage location, for relative position of the record data section in be-encrypted data；
Ciphering unit, obtains being segmented ciphertext for encrypting data segment respectively based on predetermined encryption algorithm；
First assembled unit, has been combined as the relative position based on data segment in be-encrypted data by ciphertext is segmented
Whole ciphertext；
Transmission unit, for transmitting complete ciphertext to decrypting end.
Preferably, the predetermined encryption algorithm that ciphering unit is used is symmetric key encryption algorithm.
Preferably, ciphering unit is encrypted to different data segments using different symmetric key encryption algorithms.
A kind of sectional encryption transmitting device, including：
Second receiving unit, for receiving the complete ciphertext that encryption end sends；
Second segmenting unit, for complete ciphertext to be divided into multiple segmentation ciphertexts；
Second temporary storage location, for recording relative position of the segmentation ciphertext in complete ciphertext；
Decryption unit, multiple data segments are obtained for will be segmented ciphertext decryption based on default decipherment algorithm；
, be combined as data segment to complete for the relative position based on segmentation ciphertext in complete ciphertext by the second assembled unit
Data.
From above-mentioned technical proposal as can be seen that the present invention provides a kind of sectional encryption transmission method, number to be encrypted is being obtained
According to rear, be-encrypted data is divided into multiple data segments, according to it in former number to be encrypted after being encrypted respectively to multiple data segments
Relative position in is transmitted after being combined.Relative to directly be-encrypted data is encrypted and is transmitted in the prior art
Mode, the method that the present invention is provided, the data volume of single encryption greatly reduces, it is possible to decrease the requirement to hardware, saves data and adds
The cost of close transmission, improves enciphering rate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the embodiment 1 of sectional encryption transmission method disclosed by the invention；
Fig. 2 is a kind of flow chart of the embodiment 2 of sectional encryption transmission method disclosed by the invention；
Fig. 3 is a kind of flow chart of the embodiment 3 of sectional encryption transmission method disclosed by the invention；
Fig. 4 is a kind of concrete structure schematic diagram of the embodiment 4 of sectional encryption transmitting device disclosed by the invention；
Fig. 5 is a kind of concrete structure schematic diagram of the embodiment 5 of sectional encryption transmitting device disclosed by the invention；
Fig. 6 is a kind of concrete structure schematic diagram of the embodiment 6 of sectional encryption transmitting device disclosed by the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the flow chart of the embodiment 1 for sectional encryption transmission method disclosed by the invention：
S101, acquisition be-encrypted data；
First receiving unit receives be-encrypted data, and receiving mode is included by reception of wireless signals, by cable transmission
And be-encrypted data is received by storage device (such as USB flash disk).
S102, be-encrypted data is divided into multiple data segments；
Be-encrypted data is divided into multiple data segments by the first segmenting unit, wherein, the first segmenting unit can be according to following
Rule is segmented to be-encrypted data：(1) be segmented according to fixed size, such as each data segment size ensure be
1MB.(2) according to category classification, for example, image data section and audio data section can be classified as a video.(3) combine
Classification, i.e., first according to being segmented according still further to fixed size after category classification.
The relative position of S103, record data section in be-encrypted data；
In order to ensure that the data after being segmented can be reduced, the first temporary storage location records each data segment in number to be encrypted
Relative position in.
S104, data segment encrypted respectively based on predetermined encryption algorithm obtain being segmented ciphertext；
Each data segment is encrypted and obtains multistage segmentation ciphertext, predetermined encryption by ciphering unit respectively based on predetermined encryption algorithm
Algorithm is built in ciphering unit for staff, and staff can be carried out more to predetermined encryption algorithm according to actual needs
Change.
S105, the relative position based on data segment in be-encrypted data are combined as complete ciphertext by ciphertext is segmented；
Using relative position of each data segment of the first temporary storage location record in be-encrypted data, the first assembled unit
Each segmentation ciphertext is combined as complete ciphertext, had so both been easy to packing to transmit, also make needing to add file to be encrypted
It is unlikely to each the segmentation entanglement of ciphertext order or loss during close storage.
S106, the complete ciphertext of transmission to decrypting end.
Transmission unit transmits to decrypting end complete ciphertext, and transmission means can use wired or wireless transmission side herein
Formula.
In sum, the present invention provides a kind of sectional encryption transmission method, after be-encrypted data is obtained, by number to be encrypted
According to multiple data segments are divided into, enter according to its relative position in former be-encrypted data after being encrypted respectively to multiple data segments
Transmitted after row combination.Relative to the mode that directly be-encrypted data is encrypted and is transmitted in the prior art, the present invention is provided
Method, single encryption data volume greatly reduce, it is possible to decrease the requirement to hardware, save Data Encryption Transmission cost.
As shown in Fig. 2 the flow chart of the embodiment 2 for sectional encryption transmission method disclosed by the invention：
S201, acquisition be-encrypted data；
First receiving unit receives be-encrypted data, and receiving mode is included by reception of wireless signals, by cable transmission
And be-encrypted data is received by storage device (such as USB flash disk).
S202, be-encrypted data is divided into multiple data segments；
Be-encrypted data is divided into multiple data segments by the first segmenting unit, wherein, the first segmenting unit can be according to following
Rule is segmented to be-encrypted data：(1) be segmented according to fixed size, such as each data segment size ensure be
1MB.(2) according to category classification, for example, image data section and audio data section can be classified as a video.(3) combine
Classification, i.e., first according to being segmented according still further to fixed size after category classification.
The relative position of S203, record data section in be-encrypted data；
In order to ensure that the data after being segmented can be reduced, the first temporary storage location records each data segment in number to be encrypted
Relative position in.
S204, data segment encrypted respectively based on predetermined encryption algorithm obtain being segmented ciphertext；
Each data segment is encrypted and obtains multistage segmentation ciphertext, predetermined encryption by ciphering unit respectively based on predetermined encryption algorithm
Algorithm is built in ciphering unit for staff.Predetermined encryption algorithm is symmetric key encryption algorithm herein.
Symmetric encipherment algorithm is using AES, technology maturation earlier.In a symmetric encryption algorithm, data transmission side
To be sent by after the treatment of special AES, making it become complicated encrypted cipher text together with encryption key in plain text.Receive
After letter side receives ciphertext, if wanting to understand original text, the algorithm for inversion of the used key of encryption and identical algorithms is needed to use to ciphertext
It is decrypted, it is reverted to readable plaintext.In a symmetric encryption algorithm, the key only one of which for using, hair is collected mail double
Side is all encrypted and decrypted using this data key, and this requires that decryption side must be known by encryption key in advance.Symmetrically
The characteristics of AES is that algorithm is disclosed, amount of calculation is small, enciphering rate is fast, encryption efficiency is high.
S205, the relative position based on data segment in be-encrypted data are combined as complete ciphertext by ciphertext is segmented；
Using relative position of each data segment of the first temporary storage location record in be-encrypted data, the first assembled unit
Each segmentation ciphertext is combined as complete ciphertext, had so both been easy to packing to transmit, also make needing to add file to be encrypted
It is unlikely to each the segmentation entanglement of ciphertext order or loss during close storage.
S206, the complete ciphertext of transmission to decrypting end.
Transmission unit transmits to decrypting end complete ciphertext, and transmission means can use wired or wireless transmission side herein
Formula.
In sum, the present invention provides a kind of sectional encryption transmission method, after be-encrypted data is obtained, by number to be encrypted
According to multiple data segments are divided into, enter according to its relative position in former be-encrypted data after being encrypted respectively to multiple data segments
Transmitted after row combination.Relative to the mode that directly be-encrypted data is encrypted and is transmitted in the prior art, the present invention is provided
Method, single encryption data volume greatly reduce, it is possible to decrease the requirement to hardware, save Data Encryption Transmission cost.And
Symmetric key encryption algorithm is used, because symmetric key encryption algorithm amount of calculation is small and the characteristics of fast enciphering rate, this method is entered
One step reduces the requirement to hardware.
Further to optimize this programme, different data segments can use different symmetric key encryption algorithms.
Using various different symmetric key encryption algorithms, the security of data can be improved, even if being cracked part point
Duan Miwen, but crack people and still cannot learn complete data.
The flow chart of above-described embodiment 1 and embodiment 2 is all the flow chart at encryption end in encrypted transmission method.
As shown in figure 3, the flow chart of the embodiment 3 for sectional encryption transmission method disclosed by the invention：
S301, the complete ciphertext for receiving the transmission of encryption end；
Second receiving unit receives the complete ciphertext that the transmitting device at encryption end sends.
S302, complete ciphertext is divided into multiple segmentation ciphertexts；
Complete ciphertext is divided into multiple segmentation ciphertexts by the second segmenting unit, the second segmenting unit according to the first assembled unit
The opposite job step of identical rule is segmented to complete ciphertext, so just can guarantee that and is correctly segmented ciphertext.
The relative position of S303, record segmentation ciphertext in complete ciphertext；
Relative position of the second temporary storage location record segmentation ciphertext in complete ciphertext, is easy to be segmented the group after ciphertext decryption
Close.
S304, based on default decipherment algorithm by be segmented ciphertext decryption obtain multiple data segments；
Decryption unit will be segmented ciphertext decryption using default decipherment algorithm, revert to multiple data segments, default solution herein
Close algorithm is corresponding with the predetermined encryption algorithm in above-described embodiment.
Be combined as data segment to complete data by S305, the relative position based on segmentation ciphertext in complete ciphertext.
Relative position of second assembled unit using the segmentation ciphertext recorded in the second temporary storage location in complete ciphertext will
Data segment is combined as completing data.
In sum, embodiment 3 is the operation principle of the decrypting end of method disclosed by the invention, using the side of segmentation decryption
Method, it is possible to decrease the requirement of decrypting end hardware, reduces decryption cost.
As shown in figure 4, for a kind of concrete structure of embodiment 4 of sectional encryption transmitting device disclosed by the invention is illustrated
Figure：
The present apparatus includes：First receiving unit 401, the first segmenting unit 402, the first temporary storage location 403, ciphering unit
404th, the first assembled unit 405 and transmission unit 406, wherein：First receiving unit 401, for obtaining be-encrypted data；First
Segmenting unit 402, for be-encrypted data to be divided into multiple data segments；First temporary storage location 403, is treating for record data section
Relative position in encryption data；Ciphering unit 404, is segmented for being encrypted data segment respectively based on predetermined encryption algorithm
Ciphertext；First assembled unit 405, has been combined as the relative position based on data segment in be-encrypted data by ciphertext is segmented
Whole ciphertext；Transmission unit 406, for transmitting complete ciphertext to decrypting end 407.
The operation principle of the present apparatus is same as Example 1, will not be repeated here.
Fig. 5 is a kind of concrete structure schematic diagram of the embodiment 5 of sectional encryption transmitting device disclosed by the invention；
The present apparatus includes：First receiving unit 501, the first segmenting unit 502, the first temporary storage location 503, ciphering unit
405th, the first assembled unit 505 and transmission unit 506, wherein：First receiving unit 501, for obtaining be-encrypted data；First
Segmenting unit 502, for be-encrypted data to be divided into multiple data segments；First temporary storage location 503, is treating for record data section
Relative position in encryption data；Ciphering unit 404, is segmented for being encrypted data segment respectively based on predetermined encryption algorithm
Ciphertext, predetermined encryption algorithm is symmetric key encryption algorithm herein；First assembled unit 505, for based on data segment to be added
Relative position in ciphertext data is combined as complete ciphertext by ciphertext is segmented；Transmission unit 506, for transmitting complete ciphertext to decryption
End 507.
It is further optimization this programme, is further to optimize this programme, different data segment can be using different symmetrical close
Key AES.
The operation principle of the present apparatus is same as Example 1, will not be repeated here.
Fig. 6 is a kind of concrete structure schematic diagram of the embodiment 6 of sectional encryption transmitting device disclosed by the invention：
The present apparatus includes：Second receiving unit 601, the second segmenting unit 602, the second temporary storage location 603, decryption unit
604 and second assembled unit 605, wherein：
Second receiving unit 601, for receiving the complete ciphertext that encryption end 606 sends；Second segmenting unit 602, is used for
Complete ciphertext is divided into multiple segmentation ciphertexts；Second temporary storage location 603 is relative in complete ciphertext for recording segmentation ciphertext
Position；Decryption unit 604, multiple data segments are obtained for will be segmented ciphertext decryption based on default decipherment algorithm；Second combination is single
, be combined as data segment to complete data for the relative position based on segmentation ciphertext in complete ciphertext by unit 605.
The operation principle of this implementation is identical with the operation principle of embodiment 3, will not be repeated here.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of sectional encryption transmission method, it is characterised in that including：
Obtain be-encrypted data；
Be-encrypted data is divided into multiple data segments；
Record relative position of the data segment in the be-encrypted data；
The data segment is encrypted respectively based on predetermined encryption algorithm obtains being segmented ciphertext；
The segmentation ciphertext is combined as by complete ciphertext based on relative position of the data segment in the be-encrypted data；
Transmit the complete ciphertext to decrypting end.
2. the method for claim 1, it is characterised in that the predetermined encryption algorithm is symmetric key encryption algorithm.
3. method as claimed in claim 3, it is characterised in that the different data segments can be added using different symmetric keys
Close algorithm.
4. a kind of sectional encryption transmission method, it is characterised in that including：
Receive the complete ciphertext that encryption end sends；
The complete ciphertext is divided into multiple segmentation ciphertexts；
Record relative position of the segmentation ciphertext in the complete ciphertext；
The segmentation ciphertext decryption is obtained by multiple data segments based on default decipherment algorithm；
The data segment is combined as to complete data based on relative position of the segmentation ciphertext in the complete ciphertext.
5. a kind of sectional encryption transmitting device, it is characterised in that including：
First receiving unit, for obtaining be-encrypted data；
First segmenting unit, for be-encrypted data to be divided into multiple data segments；
First temporary storage location, for recording relative position of the data segment in the be-encrypted data；
Ciphering unit, obtains being segmented ciphertext for encrypting the data segment respectively based on predetermined encryption algorithm；
First assembled unit, for the relative position based on the data segment in the be-encrypted data by the segmentation ciphertext
It is combined as complete ciphertext；
Transmission unit, for transmitting the complete ciphertext to decrypting end.
6. device as claimed in claim 5, it is characterised in that the predetermined encryption algorithm that the ciphering unit is used is symmetrical close
Key AES.
7. device as claimed in claim 6, it is characterised in that the ciphering unit is to the different data segments using different
Symmetric key encryption algorithm be encrypted.
8. a kind of sectional encryption transmitting device, it is characterised in that including：
Second receiving unit, for receiving the complete ciphertext that encryption end sends；
Second segmenting unit, for the complete ciphertext to be divided into multiple segmentation ciphertexts；
Second temporary storage location, for recording relative position of the segmentation ciphertext in the complete ciphertext；
Decryption unit, for the segmentation ciphertext decryption to be obtained into multiple data segments based on default decipherment algorithm；
Second assembled unit, for based on the relative position of the segmentation ciphertext in the complete ciphertext by the data segment group
It is combined into completion data.
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| CN201710096145.XA CN106788982A (en) | 2017-02-22 | 2017-02-22 | A kind of sectional encryption transmission method and device |
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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 |
| CN109977699A (en) * | 2019-03-26 | 2019-07-05 | 贝富（广州）新技术有限公司 | House Property information storage means, system and storage medium based on block chain |
| CN110032680A (en) * | 2019-04-16 | 2019-07-19 | 北京网聘咨询有限公司 | Big data analysis method and system |
| CN110351289A (en) * | 2019-07-17 | 2019-10-18 | 宜人恒业科技发展（北京）有限公司 | The method and device of data encryption |
| CN110650150A (en) * | 2019-10-10 | 2020-01-03 | 上海久誉软件系统有限公司 | Computer wireless propagation neural network method based on 5G network |
| CN113098843A (en) * | 2021-03-08 | 2021-07-09 | 中国地质大学（武汉） | High-speed random sampling encryption method for geological and geographical big data |
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| CN113472537A (en) * | 2021-09-01 | 2021-10-01 | 深圳市通易信科技开发有限公司 | Data encryption method, system and computer readable storage medium |
| CN114125830A (en) * | 2021-11-17 | 2022-03-01 | 浪潮卓数大数据产业发展有限公司 | Encrypted transmission method, equipment and medium for APP data |
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| CN113098843B (en) * | 2021-03-08 | 2022-06-14 | 中国地质大学（武汉） | High-speed random sampling encryption method for geological and geographical big data |
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| CN113472537A (en) * | 2021-09-01 | 2021-10-01 | 深圳市通易信科技开发有限公司 | Data encryption method, system and computer readable storage medium |
| CN114125830A (en) * | 2021-11-17 | 2022-03-01 | 浪潮卓数大数据产业发展有限公司 | Encrypted transmission method, equipment and medium for APP data |
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| CN114553597B (en) * | 2022-04-22 | 2022-07-19 | 中国长江三峡集团有限公司 | Power equipment operation and maintenance data transmission management method and system |
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