CN101453538A - Switching system for electronic document fax - Google Patents

Switching system for electronic document fax Download PDF

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Publication number
CN101453538A
CN101453538A CNA2007101992409A CN200710199240A CN101453538A CN 101453538 A CN101453538 A CN 101453538A CN A2007101992409 A CNA2007101992409 A CN A2007101992409A CN 200710199240 A CN200710199240 A CN 200710199240A CN 101453538 A CN101453538 A CN 101453538A
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file
electronic
fax
switching system
electronic document
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CNA2007101992409A
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齐宇庆
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Abstract

The invention relates to a switching system for an electronic document facsimile apparatus for transmitting electronic documents, which comprises a singlechip control system, wherein the singlechip control system comprises a central processing unit which is provided with a facsimile converter, a USB interface and a memory; and the singlechip control system also comprises an encoder, a decoder, an electronic facsimile control system and an electronic evidence generator which is connected with the central processing unit. The switching system for the electronic document facsimile apparatus has various functions, can transmit various types of electronic documents, and has the advantage of high confidentiality.

Description

A kind of switching system for electronic document fax
Technical field
The present invention relates to a kind of switching system for electronic document fax, be specifically related to be applied to E-Government, ecommerce and other occasion and have, the switching system for electronic document fax that electronic graphics file, electronic audiovisual file carry out facsimile transmission and reception electronic text file.
Technical background
The paper facsimile machine has been used a lot of ages as a kind of device by means of telecommunication path transmission file, and the paper facsimile machine is to utilize photoelectricity transformation principle that the file conversion on the paper is become the signal of telecommunication, by telecommunication path the signal of telecommunication is sent then; The signal of telecommunication that receives telecommunication path utilizes the method for hot transfer printing that the content former state of file is reappeared on paper through opto-electronic conversion again.
The a lot of weak points of paper facsimile machine: though the file of paper facsimile machine fax can in statu quo reappear, but be subjected to certain condition restriction, just the file that has color can not be reappeared such as present general paper facsimile machine, highdensity graphic file can not be reappeared.The every fax of file once just has certain pixel loss, and the file that repeats to fax almost can not guarantee the effect that former state is reappeared.The fax speed of file is slow, and the time that takies telecommunication path also is one of shortcoming of paper facsimile machine than length.
At present, because high development of social economy, the quantity increase of various file is very fast, the number of paper of use on file is very big, in order to satisfy growing demand, make paper and will consume a large amount of forest reserves, thereby cause showing especially day by day of the wasting of resources and ecological deterioration problem.The quantity of each machine-operated enterprises and institutions, industrial enterprise and individual consume paper is surprising now, thereby the policy of with no paper office, proposed a technical task with e-file substitute paper file, every technical conditions and the measure owing to the alternative paper document facsimile machine of science and technology development e-file facsimile machine simultaneously also possesses gradually.
Yet to be a kind of and paper document producing, exist, transmitting different in essence files is arranged in form e-file.E-file is to utilize the input unit on the computer to produce down with the program software control that includes standard letter, figure, and any people who is familiar with program software can utilize standard letter or figure to carry out the e-file that layout copies, produces standard, standard on different computers; The e-file that duplicates, revised can leave no trace; E-file can only visually exist, but does not have " physical evidence "; Transmittance process and paper document to e-file have considerable difference, can not divide original paper or duplicate only according to the e-file of receiving, authenticity that can not positive file producer identity; Can not whether be replicated, distort from file identification content itself; If the e-file facsimile machine transmits e-file and does not take any technical measures, facsimile transmission and receive e-file and have the problems referred to above equally, just such not as the paper facsimile machine, leave portion " the paper evidence of faxing ".
Polytype e-file facsimile machine has appearred on market at present, these facsimile machines can with the same e-file of faxing of paper facsimile machine fax paper document.
Early the e-file facsimile machine that occurs is to utilize computer to add modulator-demodulator, adds a fax software in computer operating system software, carries out the facsimile transmission of e-file then on telephone wire.For example, the fax software win-fax under windows operating system just can utilize well computer to e-file fax the transmitting-receiving give.Win-fax software has the function with paper facsimile machine interface, can realize that carrying out mutual e-file transmitting-receiving with the paper facsimile machine send.The problem that win-fax software fax exists is received and dispatched that the electronic fax file that send is the same with all e-files can not be distinguished, and the problem that e-file is replicated in transport process, distorts and quilt is denied is not resolved.
Fast-selling e-file facsimile machine 3G-FAX is the comparatively advanced facsimile machine of a kind of function on market at present, not only the transmitting-receiving that can realize e-file is sent, and has had the management function to e-file compresses, maintains secrecy, some transmitting-receivings such as authentication are sent.Concrete maintain secrecy and management method that the authentication transmitting-receiving is sent is: the unified password dish of making of communication upper-level leader, constituent parts are finished the renewal of address book, organization, fax number etc. in system parameters such as identifying code, the net automatically by password dish data; 3G-FAX supports homemade seal graphics to add function, stamped signature if desired, then in seal storehouse or signature storehouse, select to make in advance ready-made seal or signature earlier, and on the click tools hurdle stamped signature or the signature icon, simultaneity factor prompting input password, behind the correct input password, click the mouse, can finish stamped signature or signature in the place that needs stamped signature.The problem with authentication is sent in the secret transmitting-receiving that 3G-FAX has solved the electronic fax file, and the problem of existence is: maintain secrecy and the management method of authentication is confined in the scope; Need the unified password dish of making an encryption usefulness; E-file can only send in limited net in the secure facsimile transmitting-receiving; To being distorted after the reduction of electronic fax file and being denied there is not practical step.
Application number is 01119110.4 patent documentation " a kind of enciphering method of photoelectric information ", a kind of enciphering method of photoelectric information is disclosed, be to utilize same system or different system to encode figure, image, document, file and compressed file thereof etc., piece image or image sets that coding is formed with different colours or different gray-scale pixels are represented, newly obtaining image sets is an encrypt file, and the pixel of forming it is information word.This encryption method is according to the security information data are represented in the definition of gray scale and color.The authentic document content can be read, be printed, store to classified document after deciphering with special-purpose decryption software.Method described in the disclosed file of this patent documentation also can be used in the e-file facsimile machine, can utilize same system or different system to encode figure, image, document, file and compressed file thereof etc., piece image or image sets that coding is formed with different colours or different gray-scale pixels are represented, newly obtaining image sets is an encrypt file, and the pixel of forming it is information word.The problem that exists is exactly: utilizing same system or different system to carry out Methods for Coding, is a kind of or several fixing modes are encrypted, and is easy to be cracked.
Application number is 200520072403.3 patent documentations " a kind of novel electron facsimile machines ", and this utility model application discloses a kind of novel electron facsimile machine, and it comprises hard disk, network interface card, embedded mainboard and electronic fax system module.Described hard disk is connected with the electronic fax system module by embedded mainboard, and carries out data passes by the IDE mouth on the embedded mainboard; Described network interface card is connected with the electronic fax system module by embedded mainboard, and links to each other with computer and manage by grid line; The electronic fax system module is installed on the embedded mainboard, controls the data passes of hardware interface, network interface and external hardware on the embedded mainboard or equipment.This utility model is that traditional facsimile machine is transformed and expanded, and increases storage hardware (as hard disk) and electronic fax system module, realizes realizing that the fax transmitting-receiving of e-file send with no paper at all.The disclosed e-file facsimile machine of this patent documentation is similar to the hardware components that utilizes the fax software win-fax of computer under windows operating system, the problem that exists with win-fax software fax is the same, the problem that can not be distinguished of being sent by transmitting-receiving the same with all e-files of electronic fax file exactly, e-file are replicated in transport process, distort and denied is not resolved.
Summary of the invention
The invention provides a kind of switching system for electronic document fax, it has solved the technical problem that cipher mode is fixed, easily is cracked and whether e-file is replicated, distorts and denied learning in the background technology in transport process.
Switching system for electronic document fax of the present invention can realize that the fax transmitting-receiving of e-file send, and can as required the file that is sent by the fax transmitting-receiving be carried out that the electronic background graphic encoder is encrypted and the decoding deciphering; System can in facsimile posting, produce with by the corresponding electronic evidence of fax paper so that make the electronic fax file have anti-counterfeiting, anti-tamper, the anti-function of denying; The background graphics of electronic fax file is associated with its electronic evidence, makes each electronic fax file have unique password and electronic background; This system utilizes public digital signature and Digital Envelope Technology to transmit password, and range of application is unrestricted; System can be connected with landline telephone, can be connected with the interface of mobile phone again; System can the facsimile transmission electronic text file, electronic graphics file, electronic image files, electronic music file
Technical scheme of the present invention is:
A kind of e-file facsimile machine adapting system that transmits e-file comprises single-chip computer control system, and described single-chip computer control system comprises a central processing unit, and described central processing unit is provided with facsimile converter, USB interface and memory,
Its special character is: also comprise encoder, decoder, electronic fax control system and the electronic evidence generator that is connected with central processing unit;
This encoder produces the motion graphics coding of multiple different background and inlays with the e-file that needs send, and makes it to become the electronic fax file of ciphertext state; This decoder is decoded to the background graphics of the electronic fax file of ciphertext state, and original electronic file is gone back in deciphering;
Produce electronic evidence that time parameter, random function that e-file needs and the eap-message digest that is sent out file constitute and it is noted in facsimile posting, the random function that the electronic evidence generator produces is realized figure encryption and deciphering with the motion graphics coding that obtains the change at random background to the electronic fax file as the electronic background graphic encoder of multivariable Control functions control and the control function of decoder.
Above-mentioned multivariable Control function comprises the arbitrary of set that descriptive geometry shape control function, graphical pixel and figure quantity control function, figure color and color saturation control function and gradation of image contrast control function are formed.
Above-mentioned electronic fax control system comprises a communication interface, the operation keys that is connected with central processing unit and display screen and is arranged on the interior control program firmware of central processing unit.
Also be provided with the standard storage card that is communicated with central processing unit, described communication interface is a telephony interface.
Above-mentioned electronic evidence generator is made up of the dynamic real-time clock generator of generation time parameter, the randomizer and the e-file eap-message digest data computation program of generation password.
Be provided with database in the above-mentioned memory, the electronic evidence that time parameter, random function, the e-file eap-message digest that described data-base recording is produced by the electronic evidence generator formed, also write down sender's code simultaneously, electronic fax document copying file.
Above-mentioned telephony interface is a fax modem chip, can be connected with landline telephone under software set, can be connected with the interface of mobile phone again.
Above-mentioned interface connection is plug-in type and connects.
This system integration is a module or chip, can combine as the parts and the mobile communication equipment of mobile communication equipment, control program firmware with switching system for electronic document fax is embedded into the mobile communication equipment control program again, makes mobile communication equipment have the encrypted fax function.
Above-mentioned memory can be preserved the various electronic evidences of managing electronic fax paper, can also store, classify, manage and file switching system for electronic document fax transmission or the electronic fax file of accepting; Utilize any one parameter of the eap-message digest of time parameter in the electronic evidence, random function, transmission file to carry out the retrieval of data as the keyword of search engine.
Switching system for electronic document fax is converted into the electronic fax file of ciphertext state with e-file, by random function and be sent out the control function that the eap-message digest of file constitutes and transmit via the mode of digital envelope as password.
Switching system for electronic document fax can carry out the selection of ciphertext or plaintext transmission and acceptance to e-file.
The multi-variable function that is provided with in switching system for electronic document fax control electronic background graphic encoder and decoder are being deposited the fundamental figure memory by the software program of multivariable Control functional digraph algorithm and one and are being served as.The value that switching system for electronic document fax has defined each Variable Control function is respectively with random function and to be sent out the data bit that the eap-message digest of file forms corresponding.
Fax conversion program in the control program of switching system for electronic document fax includes electronic text file handling procedure, electronic graphics file handling procedure, electronic image files handling procedure, electronic music documentor, make switching system for electronic document fax can be directly by standard external data interface with computer, scanning plotter, shoot with video-corder and record player as device, electronic music and be connected the e-file that sends, receives these equipment; Also can carry out fax conversion, transmission, the reception of dissimilar e-files to the content in the storage card by the standard universal memory card interface.
The all elements of switching system for electronic document fax all adopt micro element, make final products become pocket type, switching system for electronic document fax is connected with computer with standard pegs graft, and is connected with telephony interface also and pegs graft with connector, becomes a portable dam.
The facsimile of switching system for electronic document fax meets facsimile machine relevant communication protocol and standard agreement, make fixedly electronic fax machine facsimile signal compatibility of mobile phone interface of described switching system for electronic document fax and other, also the facsimile signal with the paper facsimile machine is compatible mutually.
The invention has the advantages that:
The present invention carries out inlaying of electronic background with e-file before facsimile transmission, make the electronic fax file with distinguish to some extent without the e-file of facsimile transmission, meet the convention of file management.E-file is carried out facsimile encryption adopt the method for electronic evidence to make the e-file of faxing leave evidence, and the corresponding one group of evidence of file, the electronic fax file has anti-counterfeiting, anti-tamper, the anti-function of denying.
Switching system for electronic document fax can fax text, graphic file, image file, music file; Switching system for electronic document fax is compatible mutually with the paper facsimile machine, can carry out transmitting/receiving file each other and send; Switching system for electronic document fax not only can be connected with landline telephone, can also be connected with mobile phone, realizes that wired and wireless point-to-point fax transmitting-receiving send; Switching system for electronic document fax can send by standard interface e-file that these equipment the is produced transmitting-receiving of directly faxing that is connected with computer, scanning plotter, photo video equipment, audio frequency recorded broadcast device.
Description of drawings
Accompanying drawing 1 is that the structure of native system connects block diagram.
Accompanying drawing 2 is that native system is implemented connection diagram.
Embodiment
A kind of e-file facsimile machine adapting system that transmits e-file, comprise single-chip computer control system, single-chip computer control system comprises a central processing unit, central processing unit is provided with facsimile converter, USB interface and memory, also comprises encoder, decoder, electronic fax control system and the electronic evidence generator that is connected with central processing unit;
This encoder produces the motion graphics coding of multiple different background and inlays with the e-file that needs send, and makes it to become the electronic fax file of ciphertext state; This decoder is decoded to the background graphics of the electronic fax file of ciphertext state, and original electronic file is gone back in deciphering;
Produce the time parameter that e-file needs in facsimile posting, random function and be sent out electronic evidence that the eap-message digest of file constitutes and it is noted, the random function that the electronic evidence generator produces is as the electronic background graphic encoder of multivariable Control functions control and the control function of decoder, with the motion graphics coding that obtains the change at random background electronic fax file is realized figure encryption and deciphering, the multivariable Control function comprises descriptive geometry shape control function, graphical pixel and figure quantity control function, the set that figure color and color saturation control function and gradation of image contrast control function are formed, the electronic fax control system comprises a telephony interface, operation keys that is connected with central processing unit and display screen and be arranged on control program firmware in the central processing unit, telephony interface is a fax modem chip, under software set, can be connected with landline telephone, can be connected with the interface of mobile phone again, also be provided with the standard storage card that is communicated with central processing unit, the electronic evidence generator is the dynamic real-time clock generator by the generation time parameter, the randomizer and the e-file eap-message digest data computation program that produce password are formed, be provided with database in the memory, the time parameter that described data-base recording is produced by the electronic evidence generator, random function, the electronic evidence that the e-file eap-message digest is formed, also write down sender's code simultaneously, electronic fax document copying file.
This system integration is a module or chip, can combine as the parts and the mobile communication equipment of mobile communication equipment, control program firmware with switching system for electronic document fax is embedded into the mobile communication equipment control program again, makes mobile communication equipment have the encrypted fax function.
Memory can be preserved the various electronic evidences of managing electronic fax paper, can also store, classify, manage and file switching system for electronic document fax transmission or the electronic fax file of accepting; Utilize any one parameter of the eap-message digest of time parameter in the electronic evidence, random function, transmission file to carry out the retrieval of data as the keyword of search engine.
Referring to Fig. 1, the functional part system of shown switching system for electronic document fax, central processing unit has wherein adopted an Embedded Single Chip Microcomputer (SCM) system, contains a central processing unit, a USB interface, a memory in the hardware circuit of system; System has extended out real-time clock (RTC) generator, operation keys and display screen, memory card translation interface and modulator-demodulator.
The method that the eap-message digest of randomizer, e-file, background graphics encoder have adopted software program to realize in the present embodiment in the accompanying drawing 1.Randomizer and background graphics encoder also can realize with hardware circuit in the practical application.
Referring to Fig. 2, the production process of electronic fax file among the embodiment: 1, by manufacturing the e-file that needs facsimile transmission on the computer.2, via USB the figure in the fundamental figure memory in the adapter is called in computer and produce each parameter that random function changes background graphics.3, e-file and background graphics are inlayed coding formation electronic fax file.4, the electronic fax file is carried out the calculating of eap-message digest, the present embodiment eap-message digest is to calculate the MD5 value of electronic fax file.5, will make ready-made electronic fax file by USB interface is sent in the file memory of adapter; With random function, electronic fax file message digest MD5 value, be sent in the electronic evidence storehouse of adapter.
The reduction process of e-file in the present embodiment: 1, the electronic fax file of the fax paper memory of adapter is called in computer via USB interface.2, obtain corresponding random function, MD5 value via digital envelope.3, calculate the authenticity of the MD5 value of electronic fax file, utilize random function that the background graphics of e-file is decoded and reduced the original text of e-file with authenticating documents.
The process of the transmission of present embodiment e-file: utilize the landline telephone dialing, the transmission button behind connection the other side phone on the operation adapter, the central processing unit in the adapter sends the electronic fax file via modulator-demodulator.
The process of the reception of present embodiment e-file: via the instruction of the fax paper of transmit leg fax, the facsimile switching device is received button presses, the fax paper that sending method is sent via the modulator-demodulator unloading in the fax paper memory.
To send process be the same for the fax of mobile phone and landline telephone transmitting-receiving in the present embodiment, and difference is that the interface of mobile phone is to have utilized data-interface or the earphone microphone interface on the mobile phone.
The standard storage card of present embodiment is that the content in the memory card is sent via adapter, maybe with the file unloading that receives.If storage card comes from digital camera, and use facsimile switching device and mobile phone interface, just mean picture signal in real time, transmission immediately.Digitized music signal also can send with the fax form via the facsimile switching device.
The present invention has realized that the fax transmitting-receiving of e-file send, the plaintext of e-file or ciphertext fax, false proof, anti-tamper, the anti-function of denying that the transmitting-receiving of e-file fax is sent, text, graphic image file, music file are sent in the transmitting-receiving of can faxing, not only can with the landline telephone interface but also can with mobile phone interface and compatible mutually with the paper fax, for ecommerce, E-Government provide a kind of new with no paper office means and have realized point-to-point facsimile instrument.

Claims (10)

1, a kind of e-file facsimile machine adapting system that transmits e-file comprises single-chip computer control system, and described single-chip computer control system comprises a central processing unit, and described central processing unit is provided with facsimile converter, USB interface and memory,
It is characterized in that: also comprise encoder, decoder, electronic fax control system and the electronic evidence generator that is connected with central processing unit;
This encoder produces the motion graphics coding of multiple different background and inlays with the e-file that needs send, and makes it to become the electronic fax file of ciphertext state; This decoder is decoded to the background graphics of the electronic fax file of ciphertext state, and original electronic file is gone back in deciphering;
Produce electronic evidence that time parameter, random function that e-file needs and the eap-message digest that is sent out file constitute and it is noted in facsimile posting, the random function that the electronic evidence generator produces is realized figure encryption and deciphering with the motion graphics coding that obtains the change at random background to the electronic fax file as the electronic background graphic encoder of multivariable Control functions control and the control function of decoder.
2, switching system for electronic document fax according to claim 1 is characterized in that: described multivariable Control function comprises the arbitrary of set that descriptive geometry shape control function, graphical pixel and figure quantity control function, figure color and color saturation control function and gradation of image contrast control function are formed.
3, switching system for electronic document fax according to claim 1 is characterized in that: described electronic fax control system comprises a communication interface, the operation keys that is connected with central processing unit and display screen and is arranged on the interior control program firmware of central processing unit.
4, switching system for electronic document fax according to claim 3 is characterized in that: also be provided with the standard storage card that is communicated with central processing unit, described communication interface is a telephony interface.
5, switching system for electronic document fax according to claim 1 is characterized in that: described electronic evidence generator is made up of the dynamic real-time clock generator of generation time parameter, the randomizer and the e-file eap-message digest data computation program of generation password.
6, switching system for electronic document fax according to claim 1, it is characterized in that: be provided with database in the described memory, the electronic evidence that time parameter, random function, the e-file eap-message digest that described data-base recording is produced by the electronic evidence generator formed, also write down sender's code simultaneously, electronic fax document copying file.
7, switching system for electronic document fax according to claim 4 is characterized in that: described telephony interface is a fax modem chip, can be connected with landline telephone under software set, can be connected with the interface of mobile phone again.
8, according to the arbitrary described switching system for electronic document fax of claim 1~7, it is characterized in that: described interface connection is plug-in type and connects.
9, switching system for electronic document fax according to claim 8, it is characterized in that: this system integration is a module or chip, can combine as the parts and the mobile communication equipment of mobile communication equipment, control program firmware with switching system for electronic document fax is embedded into the mobile communication equipment control program again, makes mobile communication equipment have the encrypted fax function.
10, switching system for electronic document fax according to claim 9, it is characterized in that: described memory can be preserved the various electronic evidences of managing electronic fax paper, can also store, classify, manage and file switching system for electronic document fax transmission or the electronic fax file of accepting; Utilize any one parameter of the eap-message digest of time parameter in the electronic evidence, random function, transmission file to carry out the retrieval of data as the keyword of search engine.
CNA2007101992409A 2007-12-01 2007-12-01 Switching system for electronic document fax Pending CN101453538A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945177A (en) * 2010-09-29 2011-01-12 北京兵港科技发展有限公司 Telephone-card separated mail encryption telephone system
CN103236929A (en) * 2013-04-26 2013-08-07 天地融科技股份有限公司 Information processing method and encryption device
CN104320558A (en) * 2014-10-28 2015-01-28 江苏惠居乐信息科技有限公司 Fax system for receiving and sending faxes through computer in paper-free mode
CN106529343A (en) * 2016-11-07 2017-03-22 上海与德信息技术有限公司 Data security method and system based on fax
CN111726473A (en) * 2020-05-13 2020-09-29 西安震有信通科技有限公司 Fax sending method, receiving method and system thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945177A (en) * 2010-09-29 2011-01-12 北京兵港科技发展有限公司 Telephone-card separated mail encryption telephone system
CN103236929A (en) * 2013-04-26 2013-08-07 天地融科技股份有限公司 Information processing method and encryption device
CN103236929B (en) * 2013-04-26 2016-09-14 天地融科技股份有限公司 A kind of information processing method and deciphering device
CN104320558A (en) * 2014-10-28 2015-01-28 江苏惠居乐信息科技有限公司 Fax system for receiving and sending faxes through computer in paper-free mode
CN106529343A (en) * 2016-11-07 2017-03-22 上海与德信息技术有限公司 Data security method and system based on fax
CN111726473A (en) * 2020-05-13 2020-09-29 西安震有信通科技有限公司 Fax sending method, receiving method and system thereof
CN111726473B (en) * 2020-05-13 2022-07-15 西安震有信通科技有限公司 Fax sending method, receiving method and system thereof

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