CN110363016A - A kind of printing encryption method and device, Method of printing and printing device - Google Patents
A kind of printing encryption method and device, Method of printing and printing device Download PDFInfo
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- CN110363016A CN110363016A CN201910635961.2A CN201910635961A CN110363016A CN 110363016 A CN110363016 A CN 110363016A CN 201910635961 A CN201910635961 A CN 201910635961A CN 110363016 A CN110363016 A CN 110363016A
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- 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
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- 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
- G06F21/606—Protecting data by securing the transmission between two devices or processes
- G06F21/608—Secure printing
-
- 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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Human Computer Interaction (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The present invention relates to a kind of printing encryption method and device, Method of printing and printing device, which includes: to obtain content to be printed；It is the file of preset format by the Content Transformation to be printed；Using predetermined encryption algorithm, the file of the preset format is encrypted；Encrypted file is sent to printing device by server, so that after the printing device is to the encryption file decryption, and restore printing content.Technical solution provided by the invention, by the file for by Content Transformation to be printed being preset format, and it is encrypted using file of the predetermined encryption algorithm to preset format, improve the safety of the file information in printing transmission process, the generation for avoiding information intercepting and leakage of information accident in print procedure improves the safety and reliability of system.
Description
Technical field
The present invention relates to printing encryption technology fields, and in particular to a kind of printing encryption method and device, Method of printing and
Printing device.
Background technique
In the prior art, printing device receives server transport and comes cloud file, plain code transmission is substantially, for example, figure
Piece, pdf document, OFFICE file etc., it is easy to it is intercepted by criminal, and gets printing content, such user's
Type information just has leaked, and has great security risk.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of printing encryption method and dresses
It sets, Method of printing and printing device, is held during Cloud Server is transferred to printing device with solving file in the prior art
The problem of easily leaking type information.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of printing encryption method, comprising:
Obtain content to be printed；
It is the file of preset format by the Content Transformation to be printed；
Using predetermined encryption algorithm, the file of the preset format is encrypted；
Encrypted file is sent to printing device by server, so that the printing device is to the encryption file
After decryption, and restore printing content.
Preferably, it is described by the Content Transformation to be printed be preset format file, comprising:
It is pdf document by the Content Transformation to be printed；
The pdf document is cut into PDF document page by page according to number of pages；
Every page of PDF document is changed into picture.
Preferably, before the file to the preset format encrypts, further includes:
By the file of preset format, it is cut into more parts of small documents；
The file to the preset format encrypts, comprising:
Using predetermined encryption algorithm, every part of small documents are encrypted respectively.
Preferably, if the file of the preset format is picture, the file by preset format is cut into more parts of small texts
Part, comprising:
Every page of picture level is cut into the small picture of default equal portions quantity.
Preferably, the file to the preset format encrypts, comprising:
Using the enc algorithm of OpenSSL, symmetric cryptography is carried out to every part small picture using specified key, formed more parts two into
System encryption file.
It is preferably, described to be sent to encrypted file before printing device by server, further includes:
By preset rules, encrypted more parts of small documents are rearranged；
The more parts of small documents rearranged are merged into an encryption file.
In addition, the invention also provides a kind of printing encryption devices, comprising:
Module is obtained, for obtaining content to be printed；
Conversion module, for being the file of preset format by the Content Transformation to be printed；
Encrypting module encrypts the file of the preset format for utilizing predetermined encryption algorithm；
Sending module, for encrypted file to be sent to printing device by server, so that the printing device
After the encryption file decryption, and restore printing content.
In addition, the invention also provides a kind of Method of printings, comprising:
Encryption file to be printed is obtained, the encryption file is encrypted using predetermined encryption algorithm；
Using decipherment algorithm matched with the predetermined encryption algorithm, the encryption file is decrypted；
File after decryption is converted to the file of preset format；
Print the file of the preset format.
Preferably, described that the encryption file is solved if the encryption file includes more parts of encrypted small documents
Before close, further includes:
By preset rules, the more parts of encrypted small documents are rearranged；
It is then, described that the encryption file is decrypted, comprising:
Every part of encrypted small documents after rearranging are decrypted；
Then, the file by after decryption is converted to the file of preset format, comprising:
More parts of small documents after decryption are synthesized into a picture.
In addition, the invention also provides a kind of printing devices, comprising:
Module is obtained, for obtaining encryption file to be printed, the encryption file is added using predetermined encryption algorithm
It is close；
Deciphering module carries out the encryption file for utilizing decipherment algorithm matched with the predetermined encryption algorithm
Decryption；
Conversion module, for the file after decryption to be converted to the file of preset format；
Print module, for printing the file of the preset format.
The invention adopts the above technical scheme, at least have it is following the utility model has the advantages that
By being the file of preset format by Content Transformation to be printed, and using predetermined encryption algorithm to the text of preset format
Part is encrypted, and is improved the safety of the file information in printing transmission process, is avoided information intercepting and letter in print procedure
The generation for ceasing leakage accident, improves the safety and reliability of system.
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 this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart for printing encryption method that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides a kind of printing encryption method flow chart；
Fig. 3 is a kind of schematic block diagram for printing encryption device that one embodiment of the invention provides；
Fig. 4 is a kind of flow chart for Method of printing that one embodiment of the invention provides；
Fig. 5 be another embodiment of the present invention provides a kind of Method of printing flow chart；
Fig. 6 be another embodiment of the present invention provides a kind of Method of printing flow chart；
Fig. 7 be another embodiment of the present invention provides a kind of printing device schematic block diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Referring to Fig. 1, a kind of printing encryption method of one embodiment of the invention offer, comprising:
Step S11, content to be printed is obtained；
It step S12, is the file of preset format by the Content Transformation to be printed；
Step S13, using predetermined encryption algorithm, the file of the preset format is encrypted；
Step S14, encrypted file is sent to printing device by server, so that the printing device is to described
After encrypting file decryption, and restore printing content.
It should be noted that the server includes: local server, and/or, Cloud Server.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Preferably, it is described by the Content Transformation to be printed be preset format file, comprising:
It is pdf document by the Content Transformation to be printed；
The pdf document is cut into PDF document page by page according to number of pages；
Every page of PDF document is changed into picture.
It is understood that being the file of preset format, such as picture by Content Transformation to be printed, beaten convenient for subsequent treat
Print content is cut and is encrypted.
Preferably, before the file to the preset format encrypts, further includes:
By the file of preset format, it is cut into more parts of small documents；
The file to the preset format encrypts, comprising:
Using predetermined encryption algorithm, every part of small documents are encrypted respectively.
Preferably, if the file of the preset format is picture, the file by preset format is cut into more parts of small texts
Part, comprising:
Every page of picture level is cut into the small picture of default equal portions quantity.
Preferably, the default equal portions quantity is 40 parts.
Preferably, the file to the preset format encrypts, comprising:
Using the enc algorithm of OpenSSL, symmetric cryptography is carried out to every part small picture using specified key, formed more parts two into
System encryption file.
It is preferably, described to be sent to encrypted file before printing device by server, further includes:
By preset rules, encrypted more parts of small documents are rearranged；
The more parts of small documents rearranged are merged into an encryption file.
Using the file of the preset format as picture, every page of picture level is cut into for the small picture of 40 equal portions, institute
It states by preset rules, rearranges encrypted more parts of small documents, the more parts of small documents rearranged are merged into an encryption
File, specifically:
The enc algorithm for passing through OpenSSL to the picture of every equal portions carries out symmetric cryptography using specified key, forms more parts two
System encrypts file；
Upset putting in order for 40 parts of encrypted small documents；
The 40 parts of encrypted small documents to put in order will be upset, synthesizes a binary encrypted file.
Referring to fig. 2, another embodiment of the present invention provides a kind of printing encryption method, comprising:
Step S21, content to be printed is obtained；
It step S22, is pdf document by the Content Transformation to be printed；
Step S23, the pdf document is cut into PDF document page by page according to number of pages；
Step S24, every page of PDF document is changed into picture；
Step S25, every page of picture level is cut into the small picture of 40 equal portions；
Step S26, the enc algorithm for passing through OpenSSL to the picture of every equal portions carries out symmetric cryptography, shape using specified key
At more parts of binary encrypted files；
Step S27, upset putting in order for 40 parts of encrypted small documents；
Step S28, the 40 parts of encrypted small documents to put in order will be upset, synthesizes a binary encrypted file；
Step S29, encrypted file is sent to printing device by server, so that the printing device is to described
After encrypting file decryption, and restore printing content.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Referring to Fig. 3, a kind of printing encryption device 100 of one embodiment of the invention offer, comprising:
Module 101 is obtained, for obtaining content to be printed；
Conversion module 102, for being the file of preset format by the Content Transformation to be printed；
Encrypting module 103 encrypts the file of the preset format for utilizing predetermined encryption algorithm；
Sending module 104, for encrypted file to be sent to printing device by server, so that the printing is set
After to the encryption file decryption, and restore printing content.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Referring to fig. 4, a kind of Method of printing that one embodiment of the invention provides, comprising:
Step S31, encryption file to be printed is obtained, the encryption file is encrypted using predetermined encryption algorithm；
Step S32, using decipherment algorithm matched with the predetermined encryption algorithm, the encryption file is decrypted；
Step S33, the file after decryption is converted to the file of preset format；
Step S34, the file of the preset format is printed.
It should be noted that the step S31 specifically: get binary encrypted file by server.
Wherein, the server includes: local server, and/or, Cloud Server.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Preferably, described that the encryption file is solved if the encryption file includes more parts of encrypted small documents
Before close, further includes:
By preset rules, the more parts of encrypted small documents are rearranged；
It is then, described that the encryption file is decrypted, comprising:
Every part of encrypted small documents after rearranging are decrypted；
Then, the file by after decryption is converted to the file of preset format, comprising:
More parts of small documents after decryption are synthesized into a picture.
Referring to Fig. 5, another embodiment of the present invention provides a kind of Method of printing, comprising:
Step S41, encryption file to be printed is obtained, the encryption file is encrypted using predetermined encryption algorithm；
If step S42, the described encryption file includes more parts of encrypted small documents, by preset rules, rearrange described
More parts of encrypted small documents；
Step S43, using decipherment algorithm matched with the predetermined encryption algorithm, after every part of encryption after rearranging
Small documents be decrypted；
Step S44, more parts of small documents after decryption are synthesized into a picture；
Step S45, the picture is printed.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Referring to Fig. 6, another embodiment of the present invention provides a kind of Method of printing, comprising:
Step S51, printing encryption device obtains content to be printed；
Step S52, the Content Transformation to be printed is pdf document by printing encryption device；
Step S53, the pdf document is cut into PDF document page by page according to number of pages by printing encryption device；
Step S54, every page of PDF document is changed into picture by printing encryption device；
Step S55, every page of picture level is cut into the small picture of 40 equal portions by printing encryption device；
Step S56, printing encryption device passes through the enc algorithm of OpenSSL to the pictures of every equal portions, using specified key into
Row symmetric cryptography forms more parts of binary encrypted files；
Step S57, printing encryption device upsets putting in order for 40 parts of encrypted small documents；
Step S58, printing encryption device will upset the 40 parts of encrypted small documents to put in order, synthesize a binary system
Encrypt file；
Step S59, encrypted file is sent to printing device by server by printing encryption device, so that described beat
After printing apparatus is to the encryption file decryption, and restore printing content；
Step S60, printing device gets binary encrypted file by server；
Step S61, printing device is encrypted according to 40 parts rearranged in binary encrypted file that put in order of agreement
Small documents afterwards；
Step S62, printing device utilizes decipherment algorithm matched with the predetermined encryption algorithm, encrypted small to 40 parts
File is decrypted；
Step S63, the more parts of small pictures that decryption obtains are synthesized a picture by printing device；
Step S64, printing device prints the picture.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
Referring to Fig. 7, a kind of printing device 200 of one embodiment of the invention offer, comprising:
Module 201 is obtained, for obtaining encryption file to be printed, the encryption file is carried out using predetermined encryption algorithm
Encryption；
Deciphering module 202, for utilize decipherment algorithm matched with the predetermined encryption algorithm, to the encryption file into
Row decryption；
Conversion module 203, for the file after decryption to be converted to the file of preset format；
Print module 204, for printing the file of the preset format.
It is understood that technical solution provided in this embodiment, by being preset format by Content Transformation to be printed
File, and encrypted using file of the predetermined encryption algorithm to preset format, improve the file information in printing transmission process
Safety, avoid the generation of information intercepting and leakage of information accident in print procedure, improve system safety and can
By property.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Term " multiple " refers to
Two or more, unless otherwise restricted clearly.
Claims (10)
1. a kind of printing encryption method characterized by comprising
Obtain content to be printed；
It is the file of preset format by the Content Transformation to be printed；
Using predetermined encryption algorithm, the file of the preset format is encrypted；
Encrypted file is sent to printing device by server, so that the printing device is to the encryption file decryption
Afterwards, and printing content is restored.
2. by the Content Transformation to be printed being preset format the method according to claim 1, wherein described
File, comprising:
It is pdf document by the Content Transformation to be printed；
The pdf document is cut into PDF document page by page according to number of pages；
Every page of PDF document is changed into picture.
3. the method according to claim 1, wherein the file to the preset format carries out encrypting it
Before, further includes:
By the file of preset format, it is cut into more parts of small documents；
The file to the preset format encrypts, comprising:
Using predetermined encryption algorithm, every part of small documents are encrypted respectively.
4. according to the method described in claim 3, it is characterized in that, if the file of the preset format be picture, it is described will be pre-
If the file of format, it is cut into more parts of small documents, comprising:
Every page of picture level is cut into the small picture of default equal portions quantity.
5. according to the method described in claim 4, it is characterized in that, the file to the preset format encrypts, packet
It includes:
Using the enc algorithm of OpenSSL, symmetric cryptography is carried out to every part small picture using specified key, forms more parts of binary adds
Ciphertext part.
6. according to the method described in claim 3, it is characterized in that, described be sent to encrypted file by server is beaten
Before printing apparatus, further includes:
By preset rules, encrypted more parts of small documents are rearranged；
The more parts of small documents rearranged are merged into an encryption file.
7. a kind of printing encryption device characterized by comprising
Module is obtained, for obtaining content to be printed；
Conversion module, for being the file of preset format by the Content Transformation to be printed；
Encrypting module encrypts the file of the preset format for utilizing predetermined encryption algorithm；
Sending module, for encrypted file to be sent to printing device by server, so that the printing device is to institute
After stating encryption file decryption, and restore printing content.
8. a kind of Method of printing characterized by comprising
Encryption file to be printed is obtained, the encryption file is encrypted using predetermined encryption algorithm；
Using decipherment algorithm matched with the predetermined encryption algorithm, the encryption file is decrypted；
File after decryption is converted to the file of preset format；
Print the file of the preset format.
9. according to the method described in claim 8, it is characterized in that, if the encryption file includes more parts of encrypted small texts
Part, it is described the encryption file is decrypted before, further includes:
By preset rules, the more parts of encrypted small documents are rearranged；
It is then, described that the encryption file is decrypted, comprising:
Every part of encrypted small documents after rearranging are decrypted；
Then, the file by after decryption is converted to the file of preset format, comprising:
More parts of small documents after decryption are synthesized into a picture.
10. a kind of printing device characterized by comprising
Module is obtained, for obtaining encryption file to be printed, the encryption file is encrypted using predetermined encryption algorithm；
Deciphering module is decrypted the encryption file for utilizing decipherment algorithm matched with the predetermined encryption algorithm；
Conversion module, for the file after decryption to be converted to the file of preset format；
Print module, for printing the file of the preset format.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910635961.2A CN110363016B (en) | 2019-07-15 | 2019-07-15 | Printing encryption method and device, printing method and printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910635961.2A CN110363016B (en) | 2019-07-15 | 2019-07-15 | Printing encryption method and device, printing method and printing equipment |
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| CN110363016A true CN110363016A (en) | 2019-10-22 |
| CN110363016B CN110363016B (en) | 2021-05-07 |
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| CN110908621A (en) * | 2019-11-22 | 2020-03-24 | 深圳市印点点科技有限公司 | Cloud platform printing method, cloud server and cloud printing system |
| CN113608706A (en) * | 2021-07-01 | 2021-11-05 | 浪潮软件股份有限公司 | Method for printing tickets in government affair hall and storage medium |
| CN113485656A (en) * | 2021-09-08 | 2021-10-08 | 北京辰光融信技术有限公司 | Cloud printing method, system and storage medium |
| CN114826789A (en) * | 2022-06-29 | 2022-07-29 | 北京辰光融信技术有限公司 | Printing control method and system for ensuring data safe transmission |
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