CN109426460A - A kind of encrypting and decrypting method for the transmission of network printing data - Google Patents
A kind of encrypting and decrypting method for the transmission of network printing data Download PDFInfo
- Publication number
- CN109426460A CN109426460A CN201710789241.2A CN201710789241A CN109426460A CN 109426460 A CN109426460 A CN 109426460A CN 201710789241 A CN201710789241 A CN 201710789241A CN 109426460 A CN109426460 A CN 109426460A
- Authority
- CN
- China
- Prior art keywords
- printing
- management server
- user
- printer
- client device
- 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.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1222—Increasing security of the print job
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1238—Secure printing, e.g. user identification, user rights for device usage, unallowed content, blanking portions or fields of a page, releasing held jobs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1285—Remote printer device, e.g. being remote from client or server
- G06F3/1288—Remote printer device, e.g. being remote from client or server in client-server-printer device configuration
Abstract
The invention discloses a kind of encrypting and decrypting methods for the transmission of network printing data, it is related to printing field, it include: that printing management server extracts authentication information from print request, authentication information is authenticated, obtain encrypted message corresponding with this user and printer, encrypted message is sent to client device, printing management server is decrypted the encrypted print file that client device is sent using encrypted message, and acquisition original print file cocurrent is given printer and printed.By means of the present invention, it is capable of providing the encrypting and decrypting mechanism for print data transmission, by realizing printing encryption and before encrypted document printing to the identity validation of user, it eliminates after document print comes out and haves the defects that risk of divulging a secret, it avoids and brought security hidden trouble is transmitted by clear-text way due to file to be printed, centralized control can be carried out to network printing, keep network printing function more convenient, reliable.
Description
Technical field
The present invention relates to printing technique field more particularly to a kind of encrypting and decrypting sides for the transmission of network printing data
Method.
Background technique
Printer is the important output equipment being widely used in computer office system, is realized by printer by electronics
The purpose that document is exported in a manner of the paper needed.With the epoch that network technology develops rapidly, more and more network applications
Be dissolved into the work and study of people, hold the balance, is indispensable, the network printer using more and more extensive, to people's
Work, life bring great convenience.But the network printer also brings some safety problems, in the document of printing, exists
The information of a large amount of need for confidentiality, such as be related to business secret, know-how, individual privacy information, these are related to secret information
Electronic document printout when, maintain secrecy, prevent from divulging a secret.Currently, file to be printed is passed using clear-text way
It is defeated by the network equipment, is easy obtained by a hacker, thus the problems such as causing information leakage, there are security risks, and also do not set
The permission of printing is set, so that printer is easy to be abused.
Summary of the invention
In view of this, the invention solves a technical problem be to provide it is a kind of for network printing data transmission plus
Close decryption method.
According to an aspect of the present invention, a kind of encrypting and decrypting method for the transmission of network printing data is provided, comprising:
User sends print request to printing management server by client device；The printing management server is asked from the printing
Middle extraction authentication information is sought, the authentication information is authenticated；If the printing management server is determined to the certification
The certification success of information, obtains encrypted message corresponding with this user and printer；The printing management server is by institute
It states encrypted message and is sent to the client device, and receive after the client device encrypted using the encrypted message
Encrypted print file；Place is decrypted to the encrypted print file using the encrypted message in the printing management server
Reason obtains original print file and the original print file is sent to the printer prints.
Optionally, the printing management server generates shared key after authenticating successfully to the authentication information；It is described
The shared key is sent to the client device by printing management server, is received described in the client device use
The encrypted print file of shared key progress symmetric cryptography；The printing management server is added using the shared key to described
Close mimeograph documents carry out symmetrical decryption processing, obtain original print file.
Optionally, it carries out symmetric cryptography, carry out the method that symmetrical decryption uses to include: DES algorithm, 3DES algorithm.
Optionally, the printing management server generates public/private keys pair after authenticating successfully to the authentication information；
The public key of the public/private keys pair is sent to the client device by the printing management server, receives the client
End equipment carries out the encrypted print file of asymmetric encryption using the public key；The printing management server uses the private key
Asymmetric decryption processing is carried out to the encrypted print file, obtains original print file.
Optionally, it carries out asymmetric encryption, carry out the method that asymmetric decryption uses to include: RSA Algorithm, knapsack algorithm.
Optionally, the printing management server obtains opposite with this user after authenticating successfully to the authentication information
The printer answered and verification code information corresponding with this printer；The original print file is being sent to the printer
When being printed, the printing management server adds the verification code information and original print text in print out task
Part is simultaneously sent；The printer judges whether the verification code information consistent with the printing identifying code of itself storage, if
Unanimously, then print out task is executed.
Optionally, the printing management server provides the user setting page to the client device, wherein Yong Hutong
The printing configuration information for crossing the user setting page setup includes: user name, authentication information, selected Printer Information；Institute
It states printing management server and is based on printing configuration information foundation printing account corresponding with this user and print right.
Optionally, the authentication information includes: fingerprint feature information；The fingerprint of the client device acquisition user, will
The fingerprint of acquisition carries out numeralization processing by preset fingerprint algorithm, obtains fingerprint feature information, and fingerprint feature information is sent out
Give the printing management server；The printing management server is by the user fingerprints characteristic information of storage and this fingerprint characteristic
Information is compared, if compared successfully, it is determined that the corresponding printing account of this user, based on this printing account and printing right
Limit determines printer corresponding with this user.
Optionally, the authentication information includes: user name, password；The printing management server is by user in type face
The user name that inputs in face, password are sent to the printing management server；The printing management server is by the user of storage
Name, password are compared with this user name, password, if compared successfully, it is determined that the corresponding printing account of this user is based on this
It prints account and print right determines printer corresponding with this user.
Optionally, the printing management server obtains the location information of the client device；The print management clothes
Business device determines whether the client device is in printing adimission area according to the positional information, if it is determined that the client
Whether end equipment in preset printing adimission area, is then sent to the original print file at a distance from the printer
The printer is printed.
Encrypting and decrypting method for the transmission of network printing data of the invention, printing management server obtain and user's phase
Encrypted message is sent to client device by corresponding encrypted message and printer, is sent using encrypted message to client
Encrypted print file be decrypted, obtain original print file and original print file is sent to printer is beaten
Print；It is capable of providing the encrypting and decrypting mechanism for print data transmission, by realizing printing encryption and before encrypted document printing
To the identity validation of user, eliminates after document print comes out and have the defects that risk of divulging a secret, avoid due to file to be printed
Brought security hidden trouble is transmitted by clear-text way, centralized control can be carried out to network printing, make network printing function
It can be more convenient, reliable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the process of one embodiment of the encrypting and decrypting method according to the present invention for the transmission of network printing data
Schematic diagram；
Fig. 2 is pair in one embodiment of the encrypting and decrypting method according to the present invention for the transmission of network printing data
The flow diagram that printer identifying code is verified.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The embodiment of the present invention can be applied to computer system/server, can be with numerous other general or specialized calculating
System environments or configuration operate together.Suitable for be used together with computer system/server well-known computing system, ring
The example of border and/or configuration includes but is not limited to: personal computer system, server computer system, thin client, thick client
Machine, hand-held or laptop devices, microprocessor-based system, set-top box, programmable consumer electronics, NetPC Network PC,
Little type Ji calculates machine Xi Tong ﹑ large computer system and the distributed cloud computing technology environment including above-mentioned any system, etc..
Computer system/server can be in computer system executable instruction (such as journey executed by computer system
Sequence module) general context under describe.In general, program module may include routine, program, target program, component, logic, number
According to structure etc., they execute specific task or realize specific abstract data type.Computer system/server can be with
Implement in distributed cloud computing environment, in distributed cloud computing environment, task is long-range by what is be linked through a communication network
Manage what equipment executed.In distributed cloud computing environment, it includes the Local or Remote meter for storing equipment that program module, which can be located at,
It calculates in system storage medium.
Fig. 1 is the process of one embodiment of the encrypting and decrypting method according to the present invention for the transmission of network printing data
Schematic diagram, as shown in Figure 1:
Step 101, user sends print request to printing management server by client device.Client device can be with
For PC, mobile phone, tablet computer etc., it can be arranged to client and send printing network page, user inputs printing in printer page and asks
It asks.
Step 102, printing management server extracts authentication information from print request, authenticates to authentication information.
Step 103, it if printing management server determines the certification success to authentication information, obtains corresponding with this user
Encrypted message and printer.Printer can be the network printer, be connect by Ethernet with printer.
Step 104, encrypted message is sent to client device by printing management server, and receives client device use
Encrypted message carries out encrypted encrypted print file.
Step 105, printing management server is decrypted encrypted print file using encrypted message, obtains original
Original print file is simultaneously sent to printer and printed by mimeograph documents.
In one embodiment, printing management server generates shared key after authenticating successfully to authentication information.Printing
Shared key is sent to client device by management server, is received client device using shared key and is carried out symmetric cryptography
Encrypted print file.Printing management server carries out symmetrical decryption processing to encrypted print file using shared key, obtains
Original print file.It carries out symmetric cryptography, carry out the method that symmetrical decryption uses to include: DES algorithm, 3DES algorithm etc..
Public/private keys pair also can be generated after authenticating successfully to authentication information in printing management server.Print management clothes
The public key of public/private keys pair is sent to client device by business device, is received client device using public key and is carried out asymmetric add
Close encrypted print file.Printing management server carries out asymmetric decryption processing using private key pair encryption mimeograph documents, obtains
Original print file.It carries out asymmetric encryption, carry out the method that asymmetric decryption uses to include: RSA Algorithm, knapsack algorithm etc..
Fig. 2 is pair in one embodiment of the encrypting and decrypting method according to the present invention for the transmission of network printing data
The flow diagram that printer identifying code is verified, as shown in Figure 2:
Step 201, printing management server obtains printing corresponding with this user after authenticating successfully to authentication information
Machine and verification code information corresponding with this printer, verification code information can be set of number etc..
Step 202, when original print file being sent to printer being printed, printing management server is appointed in printing
Verification code information is added in business and original print file cocurrent is sent.
Step 203, printer judges whether verification code information consistent with the printing identifying code of itself storage, if one
It causes, then executes print out task.If it is inconsistent, printer returns to the information of printer authentication failed.
In one embodiment, printing management server provides the user setting page to client device, and user passes through use
The printing configuration information that page setup is arranged in family includes: user name, authentication information, selected Printer Information etc..Print management
Server is based on printing configuration information and establishes printing account corresponding with this user and print right.
When user needs to configure printer, manage, need to verify the identity of user.Print management clothes
Business device pre-establishes the corresponding printing account of user and print right.Authentication information include: user name, password, vocal print,
Fingerprint, facial characteristics etc..Whether print right includes which printer can be used, can be managed to printer.It is right
It can be for cipher authentication, finger print identifying, face recognition, Application on Voiceprint Recognition etc. in the mode that user is authenticated.
In one embodiment, authentication information includes: fingerprint feature information.Client device acquires the fingerprint of user, will
The fingerprint of acquisition carries out numeralization processing by preset fingerprint algorithm, obtains fingerprint feature information, and fingerprint feature information is sent out
Give printing management server.Printing management server carries out the user fingerprints characteristic information of storage and this fingerprint feature information
Compare, if compared successfully, it is determined that the corresponding printing account of this user, based on this print account and print right determination and
The corresponding printer of this user.
Authentication information includes: user name, password.The user that printing management server inputs user in printer page
Name, password are sent to printing management server.Printing management server is by the user name of storage, password and this user name, password
It is compared, if compared successfully, it is determined that the corresponding printing account of this user, it is true based on this printing account and print right
Fixed printer corresponding with this user.
The location information of printing management server acquisition client device.Printing management server is determined according to location information
Whether client device is in printing adimission area, if it is determined that whether client device is at a distance from printer preset
It prints in adimission area, then original print file is sent to printer and printed.Determine that client is set according to location information
Whether standby to be in printing adimission area, printing adimission area can be the distance apart from printer less than preset distance threshold
Region, distance threshold can be 10 meters etc..If it is determined that client device is less than preset threshold value, example at a distance from printer
Such as 10 meters, then original print file is sent to printer and printed.
The encrypting and decrypting method for the transmission of network printing data provided in above-described embodiment, printing management server obtain
Encrypted message corresponding with user and printer are taken, encrypted message is sent to client device, uses encrypted message pair
The encrypted print file that client is sent is decrypted, and obtains original print file and is sent to original print file and beats
Print machine is printed；It is capable of providing the encrypting and decrypting mechanism for print data transmission, by realizing printing encryption and encrypting
To the identity validation of user before document print, eliminate after document print comes out and have the defects that risk of divulging a secret, avoid due to
File to be printed transmits brought security hidden trouble by clear-text way, can carry out centralized control to network printing, make
Network printing function is more convenient, reliable.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of encrypting and decrypting method for the transmission of network printing data characterized by comprising
User sends print request to printing management server by client device；
The printing management server extracts authentication information from the print request, authenticates to the authentication information；
If the printing management server determines the certification success to the authentication information, obtain corresponding with this user close
Code information and printer；
The encrypted message is sent to the client device by the printing management server, and receives the client device
Encrypted encrypted print file is carried out using the encrypted message；
The printing management server is decrypted the encrypted print file using the encrypted message, obtains original
The original print file is simultaneously sent to the printer and printed by mimeograph documents.
2. the method as described in claim 1 characterized by comprising
The printing management server generates shared key after authenticating successfully to the authentication information；
The shared key is sent to the client device by the printing management server, receives the client device
The encrypted print file of symmetric cryptography is carried out using the shared key；
The printing management server carries out symmetrical decryption processing to the encrypted print file using the shared key, obtains
Original print file.
3. method according to claim 2 characterized by comprising
It carries out symmetric cryptography, carry out the method that symmetrical decryption uses to include: DES algorithm, 3DES algorithm.
4. the method as described in claim 1 characterized by comprising
The printing management server generates public/private keys pair after authenticating successfully to the authentication information；
The public key of the public/private keys pair is sent to the client device by the printing management server, is received described
Client device carries out the encrypted print file of asymmetric encryption using the public key；
The printing management server carries out asymmetric decryption processing to the encrypted print file using the private key, obtains former
Beginning mimeograph documents.
5. method as claimed in claim 4, which is characterized in that
It carries out asymmetric encryption, carry out the method that asymmetric decryption uses to include: RSA Algorithm, knapsack algorithm.
6. the method as described in claim 1 characterized by comprising
The printing management server after being authenticated successfully to the authentication information, obtain corresponding with this user printer with
And verification code information corresponding with this printer；
When the original print file being sent to the printer being printed, the printing management server is appointed in printing
The verification code information is added in business and the original print file cocurrent is sent；
Whether whether the printer judges the verification code information consistent with the printing identifying code of itself storage, if unanimously,
Then execute print out task.
7. the method as described in claim 1 characterized by comprising
The printing management server provides the user setting page to the client device, wherein user passes through the user
The printing configuration information that page setup is arranged includes: user name, authentication information, selected Printer Information；
The printing management server is based on the printing configuration information and establishes printing account corresponding with this user and printing
Permission.
8. the method for claim 7, which is characterized in that the authentication information includes: fingerprint feature information；
The fingerprint of the client device acquisition user, carries out numeralization processing by preset fingerprint algorithm for the fingerprint of acquisition,
Fingerprint feature information is obtained, and fingerprint feature information is sent to the printing management server；
The user fingerprints characteristic information of storage is compared the printing management server with this fingerprint feature information, if than
To success, it is determined that the corresponding printing account of this user, it is opposite with this user based on this printing account and print right determination
The printer answered.
9. the method for claim 7, which is characterized in that the authentication information includes: user name, password；
The user name that user inputs in printer page, password are sent to the print management and taken by the printing management server
Business device；
The user name of storage, password are compared the printing management server with this user name, password, if compare at
Function, it is determined that the corresponding printing account of this user, it is corresponding with this user based on this printing account and print right determination
Printer.
10. the method for claim 7 characterized by comprising
The printing management server obtains the location information of the client device；
The printing management server determines whether the client device is in printing adimission area according to the positional information
In, if it is determined that the client device at a distance from the printer whether in preset printing adimission area, then by institute
It states original print file and is sent to the printer and printed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789241.2A CN109426460A (en) | 2017-09-05 | 2017-09-05 | A kind of encrypting and decrypting method for the transmission of network printing data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789241.2A CN109426460A (en) | 2017-09-05 | 2017-09-05 | A kind of encrypting and decrypting method for the transmission of network printing data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109426460A true CN109426460A (en) | 2019-03-05 |
Family
ID=65513940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710789241.2A Pending CN109426460A (en) | 2017-09-05 | 2017-09-05 | A kind of encrypting and decrypting method for the transmission of network printing data |
Country Status (1)
| Country | Link |
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| CN (1) | CN109426460A (en) |
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| CN110188551A (en) * | 2019-05-21 | 2019-08-30 | 中国平安人寿保险股份有限公司 | A kind of declaration form encrypted transmission method and system |
| CN110244917A (en) * | 2019-04-30 | 2019-09-17 | 小濠(深圳)科技有限公司 | Portable printer authority information indicating means, device, terminal and storage medium |
| CN111898160A (en) * | 2020-08-03 | 2020-11-06 | 广东印萌科技有限公司 | Printed file anti-leakage method and device, electronic equipment and storage medium |
| CN112848307A (en) * | 2020-12-18 | 2021-05-28 | 深圳市创想三维科技有限公司 | 3D printing method, device, server and storage medium |
| CN116403342A (en) * | 2022-12-12 | 2023-07-07 | 珠海芯烨电子科技有限公司 | Bluetooth-based pos terminal printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110244917A (en) * | 2019-04-30 | 2019-09-17 | 小濠(深圳)科技有限公司 | Portable printer authority information indicating means, device, terminal and storage medium |
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| CN110188551B (en) * | 2019-05-21 | 2024-04-12 | 中国平安人寿保险股份有限公司 | Policy encryption transmission method and system |
| CN111898160A (en) * | 2020-08-03 | 2020-11-06 | 广东印萌科技有限公司 | Printed file anti-leakage method and device, electronic equipment and storage medium |
| CN112848307A (en) * | 2020-12-18 | 2021-05-28 | 深圳市创想三维科技有限公司 | 3D printing method, device, server and storage medium |
| CN116403342A (en) * | 2022-12-12 | 2023-07-07 | 珠海芯烨电子科技有限公司 | Bluetooth-based pos terminal printing method |
| CN116403342B (en) * | 2022-12-12 | 2023-11-21 | 珠海芯烨电子科技有限公司 | Bluetooth-based pos terminal printing method |
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Application publication date: 20190305 |