CN108491723A - A kind of encryption and decryption method and device of computer - Google Patents
A kind of encryption and decryption method and device of computer Download PDFInfo
- Publication number
- CN108491723A CN108491723A CN201810193245.9A CN201810193245A CN108491723A CN 108491723 A CN108491723 A CN 108491723A CN 201810193245 A CN201810193245 A CN 201810193245A CN 108491723 A CN108491723 A CN 108491723A
- Authority
- CN
- China
- Prior art keywords
- encryption
- module
- file
- key
- decryption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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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
- H04L63/045—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 hybrid encryption, i.e. combination of symmetric and asymmetric encryption
Abstract
The invention discloses a kind of encryption and decryption method and device of computer, network information encrypting and decrypting system includes mainframe program and passenger plane program, and mainframe program uses step：The selection of step 1 key parameter；Step 2：To the encrypting and decrypting of file；Step 3：The verification of encryption and decryption file；Step 4：User password is changed, includes encrypting module in passenger plane program, user resets encryption key E, user resets encrypted public key M and decruption key D；Encrypting and decrypting system includes key selecting module, file encryption module, file decryption module, Data Verification module, Modify password module, SYSTEM SUMMARY module and the module that logs off.A kind of encryption and decryption method and device of computer is shown by network traffic encrypting and decrypting system through being tested under real network environment：Installation is simple, man-machine interface is good, confidentiality is high, it is highly practical, any kind of file encryption can be decrypted.
Description
Technical field
The present invention relates to computer equipment technical field, specially a kind of encryption and decryption method and device of computer.
Background technology
Since computer network has, system complexity, resource-sharing, boundary is unknowable, the routing of transmission information is uncertain
The reasons such as property, electromagnetic radiation keep the safety of itself very low.Network is started to walk in China than later, some and the relevant skill of network
Art is also immature, and also naked information is being transmitted so far in existing many networks.According to investigations, Chinese Enterprises are added using information at present
Close only 8%.Enterprise is mostly using classical cryptosystem, to reduce the safety coefficient of Web vector graphic.
Invention content
The purpose of the present invention is to provide a kind of encryption and decryption method and devices of computer, to solve existing technological deficiency
With the requirement of inaccessiable technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of encryption and decryption method and device of computer, net
Network data enciphering and deciphering system includes mainframe program and passenger plane program, and mainframe program uses step：The choosing of step 1 key parameter
It selects；Step 2：To the encrypting and decrypting of file；Step 3：The verification of encryption and decryption file；Step 4：Change user password, passenger plane journey
Include encrypting module in sequence, user resets encryption key E, user resets encrypted public key M and decruption key D；Encrypting and decrypting system
Including key selecting module, file encryption module, file decryption module, Data Verification module, Modify password module, SYSTEM SUMMARY
Module and the module that logs off.
Preferably, the ciphering process：Clear text signal is transmitted to encryption passenger plane program by circuit, encrypts in passenger plane program
Encryption key E and encrypted public key M to being encrypted in plain text；Decrypting process：It transfers in encryption file to decryption mainframe program, solution
Recovery is decrypted in plain text to encryption file in decruption key D in close mainframe program.
Preferably, the encrypting step one：It needs installation to protect close file encryption software, needs the unlatching that the software is set
Password；Step 2：" encryption folder " for clicking interface menu on the left side, in the window of pop-up, selection needs encrypted file
Folder；Step 3：In pop-up " input password " window, after filling in password, can be pressed " really after the completion of operating with self-defined protected mode
It is fixed ".
Preferably, the decryption step one：It opens and protects close file encryption software, key in the unlatching password of the software；Step
Rapid two：Encrypted file can be shown in operating list, select the file to be decrypted, " releasing " of click right；Step 3：
Finally at the window of pop-up input encryption file password, if it is desired to open this document, please select " to open ", it is on the contrary then select
It selects " recovery ", and click OK button.
Preferably, the key selecting module, file encryption module, file decryption module, Data Verification module, modification are close
Code module, SYSTEM SUMMARY module and the module that logs off are encrypted and decrypted file under the action of controlling program.
Compared with prior art, beneficial effects of the present invention are as follows：
Network traffic encrypting and decrypting system shows through being tested under real network environment：Simple, man-machine interface is installed
Well, confidentiality it is high, it is highly practical, any kind of file encryption can be decrypted.
Description of the drawings
Fig. 1 is a kind of encryption and decryption method and device system structure diagram of computer of the present invention.
Specific implementation mode
Below in conjunction with the present invention, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
The present invention provides a kind of technical solution：A kind of encryption and decryption method and device of computer, network information encrypting and decrypting
System includes mainframe program and passenger plane program, and mainframe program uses step：The selection of step 1 key parameter；Step 2：To text
The encrypting and decrypting of part；Step 3：The verification of encryption and decryption file；Step 4：User password is changed, includes encryption mould in passenger plane program
Block, user reset encryption key E, user resets encrypted public key M and decruption key D；Encrypting and decrypting system includes key selection mould
It block, file encryption module, file decryption module, Data Verification module, Modify password module, SYSTEM SUMMARY module and logs off
Module.
Ciphering process：Clear text signal is transmitted to encryption passenger plane program by circuit, encrypts the encryption key E in passenger plane program
With encrypted public key M to being encrypted in plain text；Decrypting process：It transfers in encryption file to decryption mainframe program, decrypts mainframe program
In decruption key D to encryption file be decrypted recovery in plain text.
Encrypting step one：It needs installation to protect close file encryption software, needs the unlatching password that the software is set；Step
Two：" encryption folder " for clicking interface menu on the left side, in the window of pop-up, selection needs encrypted file；Step 3：
In pop-up " input password " window, after filling in password, " determination " can be pressed after the completion of operating with self-defined protected mode.
Decryption step one：It opens and protects close file encryption software, key in the unlatching password of the software；Step 2：Action column
Encrypted file can be shown in table, select the file to be decrypted, " releasing " of click right；Step 3：Finally popping up
Window at input encryption file password, if it is desired to open this document, please select " to open ", it is on the contrary then select " to restore ",
And click OK button.
Key selecting module, file encryption module, file decryption module, Data Verification module, Modify password module, system
Brief introduction module and the module that logs off are encrypted and decrypted file under the action of controlling program.
A kind of encryption and decryption method and device of computer of the present invention, inside any one computer network, on certain node A
Mainframe program is run, passenger plane program is run on the node B of node communication.If B has important data to be sent toward A, the section
The encryption key E and public key M that point is just issued with A nodes are that significant data is encrypted in parameter, then again will be encrypted
Data are sent to A, since these data all pass through special processing, worry without the safety again for data.Then A is with accordingly
D and M data are decrypted, restore corresponding data.
It 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 variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of encryption and decryption method and device of computer, it is characterised in that：Network information encrypting and decrypting system includes host journey
Sequence and passenger plane program, mainframe program use step：The selection of step 1 key parameter；Step 2：To the encrypting and decrypting of file；Step
Rapid three：The verification of encryption and decryption file；Step 4：User password is changed, includes encrypting module, user's resetting encryption in passenger plane program
Key E, user reset encrypted public key M and decruption key D；Encrypting and decrypting system include key selecting module, file encryption module,
File decryption module, Data Verification module, Modify password module, SYSTEM SUMMARY module and the module that logs off.
2. a kind of encryption and decryption method and device of computer according to claim 1, it is characterised in that：Ciphering process：It is bright
Literary signal by circuit be transmitted to encryption passenger plane program, encrypt passenger plane program in encryption key E and encrypted public key M to plaintext into
Row encryption；Decrypting process：It transfers in encryption file to decryption mainframe program, decrypts the decruption key D in mainframe program to encryption
Recovery is decrypted in plain text in file.
3. a kind of encryption and decryption method and device of computer according to claim 1, it is characterised in that：Encrypting step one：
It needs installation to protect close file encryption software, needs the unlatching password that the software is set；Step 2：Click interface menu on the left side
" encryption folder ", in the window of pop-up, selection needs encrypted file；Step 3：In pop-up " input password " window,
After filling in password, " determination " can be pressed after the completion of operating with self-defined protected mode.
4. a kind of encryption and decryption method and device of computer according to claim 1, it is characterised in that：Decryption step one：
It opens and protects close file encryption software, key in the unlatching password of the software；Step 2：It can be shown in operating list encrypted
File selects the file to be decrypted, " releasing " of click right；Step 3：The finally input encryption file at the window of pop-up
Password, if it is desired to open this document, please select " to open ", it is on the contrary then select " to restore ", and click OK button.
5. a kind of encryption and decryption method and device of computer according to claim 1, it is characterised in that：Key selects mould
It block, file encryption module, file decryption module, Data Verification module, Modify password module, SYSTEM SUMMARY module and logs off
Module is encrypted and decrypted file under the action of controlling program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193245.9A CN108491723A (en) | 2018-03-03 | 2018-03-03 | A kind of encryption and decryption method and device of computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193245.9A CN108491723A (en) | 2018-03-03 | 2018-03-03 | A kind of encryption and decryption method and device of computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108491723A true CN108491723A (en) | 2018-09-04 |
Family
ID=63338236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810193245.9A Pending CN108491723A (en) | 2018-03-03 | 2018-03-03 | A kind of encryption and decryption method and device of computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108491723A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111581632A (en) * | 2020-03-26 | 2020-08-25 | 大连交通大学 | Automatic text selection encryption system |
| CN112910916A (en) * | 2021-02-23 | 2021-06-04 | 内江佳路云网络科技有限公司 | Intelligent home gateway system information encryption processing method based on cloud computing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103714299A (en) * | 2013-12-25 | 2014-04-09 | 北京握奇数据系统有限公司 | Method and system for encryption and decryption of file of mobile terminal |
| US20140229731A1 (en) * | 2013-02-13 | 2014-08-14 | Security First Corp. | Systems and methods for a cryptographic file system layer |
-
2018
- 2018-03-03 CN CN201810193245.9A patent/CN108491723A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140229731A1 (en) * | 2013-02-13 | 2014-08-14 | Security First Corp. | Systems and methods for a cryptographic file system layer |
| CN103714299A (en) * | 2013-12-25 | 2014-04-09 | 北京握奇数据系统有限公司 | Method and system for encryption and decryption of file of mobile terminal |
Non-Patent Citations (2)
| Title |
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| 佚名: "免费护密文件加密软件怎么使用教程", 《U盘量产网》 * |
| 金冉等: "一种网络传输信息加密解密系统研制的方法", 《现代电子技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111581632A (en) * | 2020-03-26 | 2020-08-25 | 大连交通大学 | Automatic text selection encryption system |
| CN112910916A (en) * | 2021-02-23 | 2021-06-04 | 内江佳路云网络科技有限公司 | Intelligent home gateway system information encryption processing method based on cloud computing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180904 |