CN107920083A - A kind of data encryption and decryption device and its encryption and decryption approaches - Google Patents
A kind of data encryption and decryption device and its encryption and decryption approaches Download PDFInfo
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- CN107920083A CN107920083A CN201711265129.5A CN201711265129A CN107920083A CN 107920083 A CN107920083 A CN 107920083A CN 201711265129 A CN201711265129 A CN 201711265129A CN 107920083 A CN107920083 A CN 107920083A
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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
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
- H04L63/205—Network architectures or network communication protocols for network security for managing network security; network security policies in general involving negotiation or determination of the one or more network security mechanisms to be used, e.g. by negotiation between the client and the server or between peers or by selection according to the capabilities of the entities involved
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses a kind of data encryption and decryption device and its encryption and decryption approaches,Including device body,Encryption device,Decrypt device,Include data reception module on encryption device,Data resolution module,Data judgment module,Microprocessor,Key selection unit,Encrypting module,Memory module,Data transmission blocks,Database is equipped with decryption device,Determining module,Searching module,Call unit,Decoding request module,Decipherment algorithm request unit,Deciphering module,Output unit,It is attached between encryption device and decryption device using RS232 interface or RS485 interfaces,In order to ensure the safety of data,The grade of data is parsed according to data resolution module,The encryption method of data is being selected by key selecting module,It is the encryption method that data obtain being only applicable to related data,Data decryption apparatus by searching for module searching data cipher mode,Corresponding decipherment algorithm is being called by call unit,Accelerate decryption speed.
Description
Technical field
The present invention relates to field of information security technology, is specially a kind of data encryption and decryption device and its encryption and decryption
Method.
Background technology
Nowadays, the world has been enter into the information age, and computer network has obtained development at full speed, it is related to social life
Various aspects.But while enjoyment network brings convenient for us, many problems are also faced with, wherein most prominent
The problem of one of problem is exactly the network information security.In order to solve Network Information Security Problem, people are frequently with data encryption
Form protects the network information.Data encryption refers to that by Encryption Algorithm and encryption key ciphertext will be changed into plain text, real
Existing information hiding, so as to play the effect of protection information safety.
Traditionally, in disk set, optical disc apparatus and other storage arrangements, in order to prevent information due to theft and
Unauthorized access and leak, when recording data in storage medium (for example, disk and CD) or to such as analytic accounting
The host apparatus of the network system of calculation machine sends data or the host apparatus of the network system from such as master computer receives data
When, data are encrypted.
At present, cloud computing is gradually approved by industry, and cloud data center gradually rises in social production and sphere of life
To more and more important effect.Store substantial amounts of data in cloud data center, how efficiently, safety carries out data add
Close, preservation, transmission, are a good problems to study.But in current ciphering process, for wanting encrypted data object,
It is that all data in data object are encrypted when docking object is encrypted, ciphering process needs the long period,
Data encryption it is less efficient.The efficiency for how improving data encryption is a problem to be solved.
The present invention is related with data encryption and decryption device, especially with regard to a kind of data encryption and decryption device and its adds
Close and decryption method.
The content of the invention
This purpose invented in fact is to provide a kind of grade for parsing data according to data resolution module, is passing through key
Selecting module selects the encryption method of data, is the encryption method that data obtain being only applicable to related data, data decryption apparatus
By searching for the cipher mode of module searching data, corresponding decipherment algorithm is being called by call unit, is accelerating decryption speed
A kind of data encryption and decryption device and its encryption and decryption approaches to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：A kind of data encryption and decryption device, including encryption
Device, decryption device, described device body are equipped with encryption device, decryption device, lead between the encryption dress and decryption device
RS232 interface, the connection of RS485 interfaces are crossed, the left end of the encryption device is equipped with data receiver port.
Preferably, the encryption device is equipped with data reception module, one end and the data solution of the data reception module
Analyse module connection, the other end of the data resolution module is connected with data judgment module, the data judgment module it is another
End is connected with microprocessor, a both ends key selection unit in parallel for the microprocessor, the other end of the microprocessor
It is connected with encrypting module, the upper end of the encrypting module is equipped with memory module, and the lower end of the encrypting module is equipped with data sending
Module.
Preferably, the decryption device is equipped with data reception module, and the other end of the data reception module is equipped with really
Cover half block, the right end of the data reception module are equipped with database, and the lower end of data reception module is equipped with determining module, described true
The right end of cover half block is equipped with searching module, and the right end of the searching module is equipped with call unit, the other end of the call unit
Be connected with decoding request module, one end of the decoding request module is connected with deciphering module, the decoding request module it is another
One end is connected with decipherment algorithm request unit, and the other end of the deciphering module is connected with output unit.
Preferably, the microprocessor be equipped with SDRAM module, A A described in D modular converters D modular converters the other end
It is connected with RS232 serial line interfaces.
Preferably, the data encryption system of the encrypting module is equipped with database application, database application
It is connected with encryption system management program, the encryption handling system program transfers data to data base encryption engine, encrypted word
Allusion quotation, connects between encryption dictionary and data base encryption engine, the encryption system management program, data base encryption engine and data
Storehouse connects.
Preferably, the data encryption system of the deciphering module is equipped with database application, database application
It is connected with encryption system management program, the decryption management system program transfers data to data base encryption engine, decrypted word
Allusion quotation, decrypts and is connected between dictionary and data base encryption engine, the decryption system management program, database decryption engine and data
Storehouse connects.
Preferably, a kind of encryption and decryption approaches of data encryption and decryption device comprise the following steps：
A, data receiver port receives the initial data for needing to preserve, and initial data reaches data reception module；
B, the data resolution module of encryption device parses the data of reception, will be solved using data application management program
The data of analysis carry out the analysis of depth, and judge；
C, the data by parsing send a signal to key selection unit, key choosing by the encryption handling on microprocessor
Select the encryption method that Unit selection is adapted to；
D, data base encryption engine driver provides encrypted ciphertext by encryption dictionary, and data are encrypted, and adds
Close good data are stored to database；
E, the data transmit-receive module decrypted on device receives encrypted data file；
F, determining module judges the encryption file of reception, is determined to decrypt and determines the security of data；
G, searching module is found the encryption method that encryption device uses, is adjusted from database by database application
Encryption file is decrypted with corresponding decryption program；
H, the data after decrypting are stored to DB Backup, while the data file of decryption is exported.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) in the present invention, in order to ensure the safety of data, the grade of data is parsed according to data resolution module, logical
The encryption method of key selecting module selection data is crossed, is the encryption method that data obtain being only applicable to related data, data solution
Close device is calling corresponding decipherment algorithm by call unit, is accelerating solution by searching for the cipher mode of module searching data
Close speed；
(2) present invention encryption information transmit during, even if by trojan horse etc. obtain the encryption information, also without
Method correctly decrypts the encryption information, and then ensures the security of data.
Brief description of the drawings
Fig. 1 is the device of the invention body construction schematic diagram.
In figure：1st, device body；2nd, data receiver port；3rd, encryption device；4th, device is decrypted；5th, data reception module；
6th, data resolution module；7th, data judgment module；8th, microprocessor；9th, key selection unit；10th, encrypting module；11st, mould is stored
Block；12nd, data transmission blocks；13rd, database；14th, determining module；15th, searching module；16th, call unit；17th, decoding request
Module；18th, decipherment algorithm request unit；19th, deciphering module；20th, output unit.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution applied to the present invention in example carries out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of data encryption and decryption device, including device body
1st, encryption device 3, decryption device 4, device body 1 be equipped with encryption device 3, decryption device 4, encryption fill 3 with decryption device 4 it
Between connected by RS232 interface, RS485 interfaces, the left end of encryption device 3 is equipped with data receiver port 2.
Encryption device 3 is equipped with data reception module 5, and one end of data reception module 5 is connected with data resolution module 6,
The other end of data resolution module 6 is connected with data judgment module 7, and the other end and the microprocessor 8 of data judgment module 7 connect
Connect, a both ends key selection unit 9 in parallel for microprocessor 8, the other end of microprocessor 8 is connected with encrypting module 10, adds
The upper end of close module 10 is equipped with memory module 11, and the lower end of encrypting module 10 is equipped with data transmission blocks 12.
In the present invention, decryption device 4 is equipped with data reception module 5, and the other end of data reception module 5, which is equipped with, determines mould
Block 14, the right end of data reception module 5 are equipped with database 13, and the lower end of data reception module 5 is equipped with determining module 14, determines mould
The right end of block 14 is equipped with searching module 15, and the right end of searching module 15 is equipped with call unit 16, the other end of call unit 16 with
Decoding request module 17 connects, and one end of decoding request module 17 is connected with deciphering module 19, decoding request module 17 it is another
End is connected with decipherment algorithm request unit 18, and single 20 yuan of the other end and the output of deciphering module 18 is connected.
Microprocessor 8 be equipped with SDRAM module, A A described in D modular converters D modular converters the other end and RS232 string
Line interface connects.
In the present invention, the data encryption system of encrypting module 3 is equipped with database application, database application with
Encryption system management program connects, and encryption handling system program transfers data to data base encryption engine, encryption dictionary, encrypts
Connected between dictionary and data base encryption engine, encryption system management program, data base encryption engine are connected with database.
In the present invention, the data encryption system of deciphering module 4 is equipped with database application, database application with
Encryption system management program connects, and decryption management system program transfers data to data base encryption engine, decryption dictionary, decryption
Connected between dictionary and data base encryption engine, decryption system management program, database decryption engine are connected with database.
In order to ensure the safety of data, the grade of data is parsed according to data resolution module 6, list is being selected by key
Member 9 selects the encryption method of data, is the encryption method that data obtain being only applicable to related data, data decryption apparatus is by looking into
The cipher mode of module searching data is looked for, corresponding decipherment algorithm is being called by call unit 16, is accelerating decryption speed, this hair
It is bright encryption information transmit during, even if by trojan horse etc. obtain the encryption information, also can not be to the encryption information
Correctly decrypted, and then ensure the security of data.
The encryption and decryption approaches of the present invention comprise the following steps：
A, data receiver port 2 receives the initial data for needing to preserve, and initial data reaches data reception module；
B, the data resolution module 6 of encryption device 3 parses the data of reception, will using data application management program
The data of parsing carry out the analysis of depth, and judge；
C, the data by parsing send a signal to key selection unit 9, key by the encryption handling on microprocessor 8
The suitable encryption method of the selection of selecting unit 9；
D, data base encryption engine driver provides encrypted ciphertext by encryption dictionary, and data are encrypted, and adds
Close good data are stored to database；
E, the data transmit-receive module decrypted on device 4 receives encrypted data file；
F, determining module 14 judges the encryption file of reception, is determined to decrypt and determines the safety of data
Property；
G, searching module 15 finds the encryption method that encryption device uses, from database by database application
Call corresponding decryption program that encryption file is decrypted；
H, the data after decrypting are stored to DB Backup, while the data file of decryption is exported.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of data encryption and decryption device, including device body (1), encryption device (3), decryption device (4), its feature exist
In：Described device body (1) be equipped with encryption device (3), decryption device (4), it is described encryption dress (3) with decryption device (4) it
Between connected by RS232 interface, RS485 interfaces, the left end of the encryption device (3) is equipped with data receiver port (2).
A kind of 2. data encryption and decryption device according to claim 1, it is characterised in that：On the encryption device (3)
Equipped with data reception module (5), one end of the data reception module (5) is connected with data resolution module (6), the data solution
The other end of analysis module (6) is connected with data judgment module (7), the other end and microprocessor of the data judgment module (7)
(8) connect, a both ends key selection unit (9) in parallel for the microprocessor (8), the other end of the microprocessor (8)
It is connected with encrypting module (10), the upper end of the encrypting module (10) is equipped with memory module (11), the encrypting module (10)
Lower end is equipped with data transmission blocks (12).
A kind of 3. data encryption and decryption device according to claim 1, it is characterised in that：On the decryption device (4)
Equipped with data reception module (5), the other end of the data reception module (5) is equipped with determining module (14), the data receiver
The right end of module (5) is equipped with database (13), and the lower end of data reception module (5) is equipped with determining module (14), the definite mould
The right end of block (14) is equipped with searching module (15), and the right end of the searching module (15) is equipped with call unit (16), the calling
The other end of unit (16) is connected with decoding request module (17), one end of the decoding request module (17) and deciphering module
(19) connect, the other end of the decoding request module (17) is connected with decipherment algorithm request unit (18), the deciphering module
(18) the other end is connected with output single (20) member.
A kind of 4. data encryption and decryption device according to claim 2, it is characterised in that：On the microprocessor (8)
Equipped with SDRAM module, A A described in D modular converters the other ends of D modular converters be connected with RS232 serial line interfaces.
A kind of 5. data encryption and decryption device according to claim 2, it is characterised in that：The encrypting module (3)
Data encryption system is equipped with database application, and database application is connected with encryption system management program, described to add
Close management system program transfers data to data base encryption engine, encryption dictionary, encryption dictionary and data base encryption engine it
Between connect, the encryption system management program, data base encryption engine are connected with database.
A kind of 6. data encryption and decryption device according to claim 3, it is characterised in that：The deciphering module (4)
Data encryption system is equipped with database application, and database application is connected with encryption system management program, the solution
Close management system program transfers data to data base encryption engine, decryption dictionary, decryption dictionary and data base encryption engine it
Between connect, the decryption system management program, database decryption engine are connected with database.
7. realize a kind of encryption and decryption approaches of data encryption and decryption device described in claim 1, it is characterised in that：Its
Encryption and decryption approaches comprise the following steps：
A, data receiver port (2) receives the initial data for needing to preserve, and initial data reaches data reception module；
B, the data resolution module (6) of encryption device (3) parses the data of reception, will using data application management program
The data of parsing carry out the analysis of depth, and judge；
C, the data by parsing send a signal to key selection unit (9), key by the encryption handling on microprocessor (8)
The suitable encryption method of selecting unit (9) selection；
D, data base encryption engine driver provides encrypted ciphertext by encryption dictionary, and data are encrypted, and encrypts
Data store to database；
E, the data transmit-receive module decrypted on device (4) receives encrypted data file；
F, determining module (14) judges the encryption file of reception, is determined to decrypt and determines the security of data；
G, searching module (15) is found the encryption method that encryption device uses, is adjusted from database by database application
Encryption file is decrypted with corresponding decryption program；
H, the data after decrypting are stored to DB Backup, while the data file of decryption is exported.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265129.5A CN107920083A (en) | 2017-12-05 | 2017-12-05 | A kind of data encryption and decryption device and its encryption and decryption approaches |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711265129.5A CN107920083A (en) | 2017-12-05 | 2017-12-05 | A kind of data encryption and decryption device and its encryption and decryption approaches |
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| CN107920083A true CN107920083A (en) | 2018-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111861143A (en) * | 2020-06-29 | 2020-10-30 | 国网河北省电力有限公司信息通信分公司 | Monitoring system for electric power information communication assets |
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| US20140101443A1 (en) * | 2012-10-05 | 2014-04-10 | Samsung Electronics Co., Ltd. | Method and apparatus for selectively providing protection of screen information data |
| CN104573535A (en) * | 2015-01-04 | 2015-04-29 | 深圳市中兴移动通信有限公司 | Mobile terminal, and method and device for improving encryption efficiency |
| CN106656496A (en) * | 2017-02-22 | 2017-05-10 | 郑州云海信息技术有限公司 | Data encryption method and apparatus |
-
2017
- 2017-12-05 CN CN201711265129.5A patent/CN107920083A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140101443A1 (en) * | 2012-10-05 | 2014-04-10 | Samsung Electronics Co., Ltd. | Method and apparatus for selectively providing protection of screen information data |
| CN104573535A (en) * | 2015-01-04 | 2015-04-29 | 深圳市中兴移动通信有限公司 | Mobile terminal, and method and device for improving encryption efficiency |
| CN106656496A (en) * | 2017-02-22 | 2017-05-10 | 郑州云海信息技术有限公司 | Data encryption method and apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111861143A (en) * | 2020-06-29 | 2020-10-30 | 国网河北省电力有限公司信息通信分公司 | Monitoring system for electric power information communication assets |
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Application publication date: 20180417 |