CN105809450A - Electronic invoice generation and verification method and system - Google Patents
Electronic invoice generation and verification method and system Download PDFInfo
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- CN105809450A CN105809450A CN201410856899.7A CN201410856899A CN105809450A CN 105809450 A CN105809450 A CN 105809450A CN 201410856899 A CN201410856899 A CN 201410856899A CN 105809450 A CN105809450 A CN 105809450A
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Abstract
The invention discloses an electronic invoice generation and verification method which comprises the following steps: electronic signature information is added on a generated electronic invoice, a PDF format electronic invoice file is formed, data of the PDF format electronic invoice with a signature can be parsed according to PDF format specifications via an electronic invoice service platform after a verification request is received, and therefore an electronic signature and original text data with a signature to be verified can be obtained; authenticity of the electronic invoice can be verified. According to the electronic invoice generation and verification method, via use of PDF format files and electronic signature adding technology, authenticity, integrity and non-repudiation of electronic invoice content can be guaranteed; a full nominal value information verifying method which allows for convenience, safety and low cost is provided.
Description
Technical field
The present invention relates to electronic invoice applied technical field, particularly relate to the generation of a kind of electronic invoice and verification method and system.
Background technology
Along with constantly popularizing of the fast development of China the Internet, particularly e-commerce and e-government, all kinds of electronic government documents and electronic contract are substituting traditionally on paper document, and work efficiency is greatly improved.Electronic invoice replacement traditional paper invoice is made to become social current inevitable, as the main flow transaction voucher under future electronic business environment, electronic invoice uses will break ecommerce business environment bottleneck, promote simultaneously promoting IT application in enterprises transition and holistic management level, promote the social management level of informatization and also bring specification, transparent social management, lead long-range continue, the social current of green management；Effectively reducing tax expropriation and management cost, preventing tax erosion and improve expropriation and management efficiency simultaneously, promote sincere law-abiding awareness and the law building environment of subject of tax payment effectively.
Electronic invoice is that unit or individual in purchasing and selling commodities, offer or accept service and are engaged in other business activities, is electronically generated, transmits, stores, has valid transaction voucher.Electronic invoice is paid according to the original electronic data with authority as corporate tax meter.When Drawee Party gets electronic invoice；During Finance Department's examination and verifying reimbursement electronic invoice；When revenue department personnel carry out invoice inspection, the true and false how checking invoice just becomes a problem demanding prompt solution.
Electronic invoice replaces paper invoice, faces numerous safety problem, is easily copied due to electronic document or distorts.Whether the held electronic invoice of Drawee Party is tampered, if signed by is signed and issued, and how to prevent the problems such as signed by denial following.And traditional invoice anticounterfeiting checking system by the mode such as Quick Response Code, security code, needing expensive scanning equipment on the one hand, relatively low also being difficult to of safety coefficient accomplishes unanimous vote face fake certification on the one hand.
In view of this, weak point for state of the art, it is necessary to design a kind of electronic invoice verification method and system, disclosure satisfy that several big security requirement of electronic invoice: verity, integrity and non-repudiation, and providing the true from false of bills verification method of a kind of convenient, fast, safety, low cost, the development for electronic invoice provides powerful guarantee.
Summary of the invention
In order to solve the problems referred to above, the generation of a kind of electronic invoice provided by the invention and verification method and checking system, disclosure satisfy that several big security requirement of electronic invoice: verity, integrity and non-repudiation, and providing the true from false of bills verification method of a kind of convenient, fast, safety, low cost, the development for electronic invoice provides powerful guarantee.
The invention provides the generation of a kind of electronic invoice and verification method, including: electronic invoice service platform is additional electron signature information in the electronic invoice generated, and forms the electronic invoice file of PDF；After receiving checking request, electronic invoice service platform will resolve the electronic invoice data of the PDF of stamped signature, the plaintext data to be verified of acquisition Electronic Signature and stamped signature according to PDF specification, carries out the authenticity verification of electronic invoice.
As a kind of embodiment, described generation electronic invoice is additional electron signature information simultaneously, to form the electronic invoice file of PDF, farther include: S11, electronic invoice service platform receive the Transaction Information of end transmission of making out an invoice, information filled out by the invoice of Drawee Party's input；S12, electronic invoice service platform transfer the invoice number of enterprise of making out an invoice, invoice codes, signature information automatically, and combine the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice；S13, electronic invoice service platform transfer this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform (CA), and verify effectiveness and the legitimacy of this E-seal；The electronic invoice of non-stamped signature is carried out stamped signature process by the Electronic Signature that S14, electronic invoice service platform are rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
As a kind of embodiment, described step S13 farther includes: the electronic invoice of non-stamped signature is carried out Hash operation, and forms original text cryptographic Hash；The electronic invoice of non-stamped signature is digitally signed, and forms the digital signature information of Electronic Signature by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；The generation time according to Electronic Signature, digital signature information is added the timestamp corresponding with Electronic Signature；According to Electronic Signature data format specifications, digital signature information and timestamp are packed into Electronic Signature.
As a kind of embodiment, described receive checking request after, the electronic invoice data of the PDF of stamped signature will be resolved according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature, carry out the authenticity verification of electronic invoice, farther include: S21, electronic invoice service platform receive the stamped signature electronic invoice to be checked that ticket checking end sends；S22, electronic invoice service platform resolve electronic invoice data according to PDF specification, and the plaintext data to be verified of acquisition Electronic Signature and stamped signature is verified and returns the result to ticket checking end.
As a kind of embodiment, described step S22 farther includes: electronic invoice service platform resolves Electronic Signature data according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform；Electronic invoice service platform resolves E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verifies whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；Electronic invoice service platform is according to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
Present invention also offers the generation of a kind of electronic invoice and checking system, including: electronic invoice service platform, for the electronic invoice generated and additional electron signature information, and form the electronic invoice file of PDF, the electronic invoice data of the PDF of stamped signature will be resolved according to PDF specification after receiving checking request, the plaintext data to be verified of acquisition Electronic Signature and stamped signature, carries out the authenticity verification of electronic invoice；Make out an invoice end, it connects electronic invoice service platform, for detecting that Drawee Party completes to receive after operation, the invoice of the Transaction Information of collection, Drawee Party's input being filled out information and is sent to electronic invoice service platform, the electronic invoice file cocurrent receiving the stamped signature that electronic invoice service platform sends gives Drawee Party；Ticket checking end, it connects electronic invoice service platform and end of making out an invoice respectively, for receiving electronic invoice from termination of making out an invoice, sends stamped signature electronic invoice to be checked to electronic invoice service platform, and receives the result that electronic invoice service platform returns.
As a kind of embodiment, described electronic invoice service platform is further used for: electronic invoice service platform receives the Transaction Information of end transmission of making out an invoice, information filled out by the invoice of Drawee Party's input；Electronic invoice service platform transfers the invoice number of enterprise of making out an invoice, invoice codes, signature information automatically, and combines the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice；Electronic invoice service platform transfers this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform (CA), and verifies effectiveness and the legitimacy of this E-seal；The electronic invoice of non-stamped signature is carried out stamped signature process by the Electronic Signature that electronic invoice service platform is rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
As a kind of embodiment, described electronic invoice service platform is further used for: the electronic invoice of non-stamped signature is carried out Hash operation, and forms original text cryptographic Hash；The electronic invoice of non-stamped signature is digitally signed, and forms the digital signature information of Electronic Signature by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；The generation time according to Electronic Signature, digital signature information is added the timestamp corresponding with Electronic Signature；According to Electronic Signature data format specifications, digital signature information and timestamp are packed into Electronic Signature.
As a kind of embodiment, described electronic invoice service platform is further used for: receive the stamped signature electronic invoice to be checked that ticket checking end sends；Resolving electronic invoice data according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature is verified and returns the result to ticket checking end.
As a kind of embodiment, described electronic invoice service platform is further used for: resolve Electronic Signature data according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform；Resolve E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
The technical scheme provided by embodiments of the invention described above can be seen that, the method and system of this programme design, disclosure satisfy that several big security requirement of electronic invoice: verity, integrity and non-repudiation, and providing the true from false of bills verification method of a kind of convenient, fast, safety, low cost, the development for electronic invoice provides powerful guarantee.
Aspect and advantage that the present invention adds will part provide in the following description, and these will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be the electronic invoice of one embodiment of the invention generation and checking system structural representation；
Fig. 2 is the overview flow chart of the generation of the electronic invoice of one embodiment of the invention and verification method；
Fig. 3 is the sequential flow chart of the generation of the electronic invoice of one embodiment of the invention and verification method.
Detailed description of the invention
Being described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " may also comprise plural form.Should be further understood that, the wording " including " used in the description of the present invention refers to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existence or adds other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim element to be " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also there is intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connections or couple.Wording "and/or" used herein includes one or more any cell listing item being associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (include technical term and scientific terminology) and have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Should also be understood that in such as general dictionary, those terms of definition should be understood that have the meaning consistent with the meaning in the context of prior art, and unless defined as here, will not explain by idealization or excessively formal implication.
For ease of the understanding to the embodiment of the present invention, it is further explained explanation below in conjunction with accompanying drawing for several specific embodiments, and each embodiment is not intended that the restriction to the embodiment of the present invention.
Fig. 1 is the structural representation of the electronic invoice checking system of one embodiment of the invention.As it is shown in figure 1, present invention also offers a kind of can the generation of electronic invoice and checking system, including: by interconnective end and the electronic invoice service platform of making out an invoice of network；Described electronic invoice service platform includes: electronic invoice front server, electronic invoice generate server, Template Manager server, stamped signature server, control of stamping server, examination server, wherein: described electronic invoice front server, described electronic invoice generate server, described Template Manager server is connected with each other and communication；Described stamped signature server, described control of stamping server, described examination server are connected with each other and communication；Described electronic invoice generates server and described stamped signature server is connected with each other and communication；Described electronic invoice generates the electronic bill management system of server and the tax bureau and is connected with each other and communication；The control of stamping system at described control of stamping server and CA center is connected with each other and communication；The shopping platform of described electronic invoice front server and enterprise of making out an invoice or ERP system are connected with each other and communication；The shopping terminals of described examination server and described Drawee Party is connected with each other and communication.
As shown in Figure 1, present invention also offers the generation of a kind of electronic invoice and checking system, including: electronic invoice service platform, for the electronic invoice generated and additional electron signature information, and form the electronic invoice file of PDF, the electronic invoice data of the PDF of stamped signature, the plaintext data to be verified of acquisition Electronic Signature and stamped signature will be resolved after receiving checking request according to PDF specification, carry out the authenticity verification of electronic invoice；Make out an invoice end, it connects electronic invoice service platform, for detecting that Drawee Party completes to receive after operation, the invoice of the Transaction Information of collection, Drawee Party's input being filled out information and is sent to electronic invoice service platform, the electronic invoice file cocurrent receiving the stamped signature that electronic invoice service platform sends gives Drawee Party；Ticket checking end, it connects electronic invoice service platform and end of making out an invoice respectively, for receiving electronic invoice from termination of making out an invoice, sends stamped signature electronic invoice to be checked to electronic invoice service platform, and receives the result that electronic invoice service platform returns.
As a kind of embodiment, described electronic invoice service platform is further used for: electronic invoice service platform receives the Transaction Information of end transmission of making out an invoice, information filled out by the invoice of Drawee Party's input；Electronic invoice service platform transfers the invoice number of enterprise of making out an invoice, invoice codes, signature information automatically, and combines the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice；Electronic invoice service platform transfers this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform (CA), and verifies effectiveness and the legitimacy of this E-seal；The electronic invoice of non-stamped signature is carried out stamped signature process by the Electronic Signature that electronic invoice service platform is rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
As a kind of embodiment, described electronic invoice service platform is further used for: the electronic invoice of non-stamped signature is carried out Hash operation, and forms original text cryptographic Hash；The electronic invoice of non-stamped signature is digitally signed, and forms the digital signature information of Electronic Signature by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；The generation time according to Electronic Signature, digital signature information is added the timestamp corresponding with Electronic Signature；According to Electronic Signature data format specifications, digital signature information and timestamp are packed into Electronic Signature.
As a kind of embodiment, described electronic invoice service platform is further used for: receive the stamped signature electronic invoice to be checked that ticket checking end sends；Resolving electronic invoice data according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature is verified and returns the result to ticket checking end.
As a kind of embodiment, described electronic invoice service platform is further used for: resolve Electronic Signature data according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform；Resolve E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
Fig. 2 is the overview flow chart of the generation of the electronic invoice of one embodiment of the invention and verification method.As in figure 2 it is shown, the invention provides the generation of a kind of electronic invoice and verification method, including: electronic invoice service platform is additional electron signature information in the electronic invoice generated, and forms the electronic invoice file of PDF；After receiving checking request, electronic invoice service platform will resolve the electronic invoice data of the PDF of stamped signature, the plaintext data to be verified of acquisition Electronic Signature and stamped signature according to PDF specification, carries out the authenticity verification of electronic invoice.
As a kind of embodiment, described generation electronic invoice is additional electron signature information simultaneously, to form the electronic invoice file of PDF, farther include: S11, electronic invoice service platform receive the Transaction Information of end transmission of making out an invoice, information filled out by the invoice of Drawee Party's input；S12, electronic invoice service platform transfer the invoice number of enterprise of making out an invoice, invoice codes, signature information automatically, and combine the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice；S13, electronic invoice service platform transfer this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform (CA), and verify effectiveness and the legitimacy of this E-seal；The electronic invoice of non-stamped signature is carried out stamped signature process by the Electronic Signature that S14, electronic invoice service platform are rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
As a kind of embodiment, described step S13 farther includes: the electronic invoice of non-stamped signature is carried out Hash operation by electronic invoice service platform, and forms original text cryptographic Hash；The electronic invoice of non-stamped signature is digitally signed, and forms the signing messages of Electronic Signature by electronic invoice service platform by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；The electronic invoice service platform generation time according to Electronic Signature, signing messages is added the timestamp corresponding with Electronic Signature；Each data, according to Electronic Signature data form, are packed into Electronic Signature by electronic invoice service platform.
As a kind of embodiment, described receive checking request after, the electronic invoice data of the PDF of stamped signature will be resolved according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature, carry out the authenticity verification of electronic invoice, farther include: S21, electronic invoice service platform receive the stamped signature electronic invoice to be checked that ticket checking end sends；S22, electronic invoice service platform resolve electronic invoice data according to PDF specification, and the plaintext data to be verified of acquisition Electronic Signature and stamped signature is verified and returns the result to ticket checking end.
As a kind of embodiment, described step S22 farther includes: electronic invoice service platform resolves Electronic Signature data according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform；Electronic invoice service platform resolves E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verifies whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；Electronic invoice service platform is according to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
Fig. 3 is the sequential flow chart of the electronic invoice verification method of one embodiment of the invention.As shown in Figure 3, described can verify that electronic invoice generates and checking system performs the communication process that following electronic invoice generates: described in make out an invoice end for detecting Drawee Party and completing on-line payment, logistics delivery, Drawee Party receive after operation, the invoice of the Transaction Information of collection, Drawee Party's input is filled out information and is sent to electronic invoice service platform；After described electronic invoice front server transfers the invoice number of enterprise of making out an invoice, invoice codes, signature information automatically, in conjunction with the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice, and it is sent to described electronic invoice generation server；Described stamped signature server transfers this authorized E-seal of enterprise of making out an invoice from described control of stamping platform, and verifies effectiveness and the legitimacy of this E-seal；Described electronic invoice generates server and transfers the Electronic Signature of empirical tests from described stamped signature server, and the electronic invoice of non-stamped signature is carried out stamped signature process, to generate the electronic invoice of stamped signature；Described termination of making out an invoice receives the electronic invoice file of the stamped signature that electronic invoice service platform sends, and downloads for Drawee Party.
First, enterprise provides enterprise essential information to electronic invoice service platform, the information such as digital certificate that the electronic third-party authentication service mechanism of authorized by state signs and issues, seal picture.Then, Electronic Signature managing system is that it generates corresponding E-seal and is managed.The Electronic Signature management system third party CA center that can upgrade in time provides credit certificate chain and Certificate Revocation Lists, once ensures that enterprise submits effective legitimacy of digital certificate to.For guaranteeing that Electronic Signature has act of law, according to Electronic Signature Law requirement, use the digital certificate signed and issued by the electronic third-party authentication service mechanism of authorized by state, it is ensured that the E-seal added a cover in electronic document, list has act of law.
As shown in Figure 3, relevant components part in described system performs the communication process of following electronic invoice checking: described in termination of making out an invoice receive the electronic invoice file of the stamped signature that electronic invoice service platform sends, stamped signature electronic invoice data to be checked is uploaded to electronic invoice examination server by end of making out an invoice by Drawee Party；Described electronic invoice examination server resolves electronic invoice data, the plaintext data to be verified of acquisition Electronic Signature and stamped signature according to format specification after receiving stamped signature electronic invoice data to be checked；Electronic Signature and original text to be verified are sent to stamped signature server by described electronic invoice examination server, and receive stamped signature server and complete checking and return the result；The result is transferred to electronic invoice examination server by described stamped signature server, checks for Drawee Party.
As a kind of embodiment, described invoice is filled out information and is included: payer title or individual, payer identifier or perfect instrument number, project of making out an invoice and phone number.
As a kind of embodiment, described electronic invoice generates server and is further used for: plaintext data to be signed carries out Hash (hash) computing, forms original text cryptographic Hash；Electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data are formed together, uses stamped signature privacy key that it is digitally signed, form the signing messages of Electronic Signature；Timestamp during plus Electronic Signature；According to Electronic Signature data form, each data are packed into Electronic Signature.
As a kind of embodiment, described stamped signature server is further used for: resolve Electronic Signature data according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform；Resolve E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
Such as, Drawee Party is by electricity business's platform shopping, complete in payment, logistics delivery, Drawee Party confirm receive after, the invoice of Transaction Information, Drawee Party's input is filled out information (such as payer title or individual, payer identifier or perfect instrument number, make out an invoice project, phone number etc.) by end of making out an invoice, being sent to electronic invoice service platform, electronic invoice service platform is automatically transferred the invoice number of this enterprise, invoice codes, signature information etc. and is filled out information etc. automatically generate electronic invoice with the Transaction Information of electricity business's platform transmission, invoice.This method uses PDF to solve electronic invoice authenticity in conjunction with Electronic Signature technology, it may be assumed that generates electronic invoice additional electron signature information simultaneously, generates electronic invoice file (pdf document).Then, electronic invoice file can be sent to end of making out an invoice, and downloads for Drawee Party, and electronic invoice information also can pass to tax end electronic bill management system simultaneously.
Such as, Drawee Party gets electronic invoice information, it is necessary to electronic invoice information passes to enterprise's invoice system of rendering an account and carries out reimbursement and keep accounts.When needing the true and false information obtaining invoice in time, it is possible to by the electronic invoice file of stamped signature, be sent to electronic invoice service platform and carry out invoice examination.Electronic invoice examination server will resolve the electronic invoice data of stamped signature, the plaintext data to be verified of acquisition Electronic Signature and stamped signature after receiving checking request according to PDF specification.And Electronic Signature and original text to be verified are sent to stamped signature server, stamped signature server completes checking and returns the result.
The present invention uses PDF to solve electronic invoice authenticity in conjunction with Electronic Signature technology, it may be assumed that generates electronic invoice additional electron signature information simultaneously, generates electronic invoice file (pdf document).Electronic invoice examination server will resolve the electronic invoice data of stamped signature, the plaintext data to be verified of acquisition Electronic Signature and stamped signature after receiving checking request according to PDF specification.Namely Electronic Signature information is included in pdf document, resolves pdf document and is verified, thus reaching true from false of bills inquiry purpose.It follows that by using PDF file and adding a cover the technology of Electronic Signature, solve the verity of electronic invoice content, integrity and non repudiation.And provide more convenient, safe, the verification method of invoice unanimous vote surface information.
This method uses PDF to solve electronic invoice authenticity in conjunction with Electronic Signature technology, it may be assumed that generates electronic invoice additional electron signature information simultaneously, generates electronic invoice file (pdf document).The technical scheme provided by embodiments of the invention described above can be seen that, the method and system of this programme design, disclosure satisfy that several big security requirement of electronic invoice: verity, integrity and non-repudiation, and providing the true from false of bills verification method of a kind of convenient, fast, safety, low cost, the development for electronic invoice provides powerful guarantee.
As a kind of embodiment, this method uses PDF to solve electronic invoice authenticity in conjunction with Electronic Signature technology, it may be assumed that generates electronic invoice additional electron signature information simultaneously, generates electronic invoice file (pdf document).Such as, as shown in Figure 3, the flow process generating the electronic invoice with stamped signature may include that Drawee Party passes through electricity business's platform shopping, complete in payment, logistics delivery, Drawee Party confirm receive after, the invoice of Transaction Information, Drawee Party's input is filled out information (such as payer title or individual, payer identifier or perfect instrument number, make out an invoice project, phone number etc.) by end of making out an invoice, and is sent to electronic invoice service platform；Electronic invoice front server in electronic invoice service platform is automatically transferred the invoice number of this enterprise, invoice codes, signature information etc. and is filled out information etc. with the Transaction Information of electricity business's platform transmission, invoice and automatically generate the electronic invoice of non-stamped signature, and is sent to electronic invoice and generates server；Stamped signature server obtains, from third party's control of stamping platform, the E-seal that electricity commercial business industry is corresponding, and verifies effectiveness and the legitimacy of seal, and supplied for electronic invoice generates server calls；Electronic invoice generates the service of server calls stamped signature, and the electronic invoice of non-stamped signature is carried out stamped signature process.Signature process: first plaintext data to be signed carries out Hash operation, forms original text cryptographic Hash；Then again electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data are formed together, use stamped signature privacy key that it is digitally signed, form the signing messages of Electronic Signature.Add timestamp during Electronic Signature, finally according to Electronic Signature data form, each data are packed into Electronic Signature；Electronic invoice generates server and Electronic Signature data and electronic invoice original text is integrated, and generates the electronic invoice of stamped signature；The electronic invoice file of stamped signature can be sent to end of making out an invoice, downloads for Drawee Party.
Such as, as it is shown on figure 3, Electronic Signature checking flow process may include that electronic invoice data to be checked is uploaded to electronic invoice examination server by Drawee Party；Electronic invoice examination server receives electronic invoice to be checked, and resolves electronic invoice data, the plaintext data to be verified of acquisition Electronic Signature and stamped signature according to format specification；Electronic Signature and original text to be verified are sent to stamped signature server by electronic invoice examination server, and stamped signature server completes checking and returns the result；Stamped signature server authentication process: first, Electronic Signature data are resolved according to Electronic Signature format specification, obtain E-seal information, Electronic Signature signing messages, and according to the legitimacy of the Information Authentication Current electronic seal in control of stamping platform secondly, resolve E-seal information, obtain seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy.If seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature；The result is transferred to electronic invoice examination server, checks for Drawee Party.
Such as, described electronic invoice front server transfers invoice number and the invoice codes of enterprise of making out an invoice automatically, farther includes: electronic invoice front server has the invoice supply of tickets that enterprise of making out an invoice claims in advance from tax office, transfers for it and makes out an invoice.
Such as, described stamped signature server transfers this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform, and verify effectiveness and the legitimacy of this E-seal, farther include: stamped signature server resolves the data content of business-electronic seal, according to its effectiveness of the content verification parsed and legitimacy.It is understood that be referred to content validity and the legitimate verification technical scheme of offer in prior art.
Such as, described electronic invoice generates server and transfers the Electronic Signature of empirical tests from stamped signature server, and the electronic invoice of non-stamped signature is carried out stamped signature process, farther includes: original text is carried out summary process, the process of data encryption, and organize according to the data form of Electronic Signature.It is understood that be referred in prior art provide invoice stamped signature treatment technology scheme.
The advantage of presently disclosed scheme:
1, safety is legal, meets " People's Republic of China's law of electronic signature " technical specification.This is because, the stamped signature processing procedure of electronic invoice is in strict accordance with " People's Republic of China's law of electronic signature " technical specification.
2, this method combines PDF electronic document and Electronic Signature correlation technique, has ensured the verity of electronic invoice content, integrity and non repudiation.This is because, the Electronic Signature of enterprise that checking electronic invoice is made out an invoice, if the verification passes, then after invoice self-generating being described, the content of this invoice is not modified；If authentication failed, then illustrate that the content of this invoice is modified, so by verifying enterprise's stamped signature, it is ensured that the content authenticity of this invoice, integrity and non repudiation.
3, this method combines PDF electronic document and Electronic Signature correlation technique, supports the checking of unanimous vote face.This is because, traditional verify system by the invoice anticounterfeiting of the mode such as Quick Response Code, security code, Quick Response Code and only comprise the partial information of invoice nominal value in security code, it is difficult to accomplish unanimous vote face fake certification.And this method combines PDF electronic document and Electronic Signature correlation technique, the unanimous vote face content of electronic invoice is acquired, completes stamped signature and process, thus ensureing that unanimous vote face is verified.
4, supporting third party CA, by the mode of seal Revocation Lists, user can obtain server in time and nullify seal information, and versatility is better.
5, without hardware such as bar code scan rifles, true from false of bills examination cost is reduced.This is because, traditional verifies system by the invoice anticounterfeiting of the mode such as Quick Response Code, security code, needs expensive scanning equipment on the one hand, and relatively low also being difficult to of safety coefficient accomplishes unanimous vote face fake certification on the one hand.And this method combines PDF electronic document and Electronic Signature correlation technique, compensate for above-mentioned 2 deficiencies.
6, simple to operate, only by electronic invoice files passe, true from false of bills need to can be checked.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, module or flow process in accompanying drawing are not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to the present invention and realize.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is the difference with other embodiments.Especially for device or system embodiment, owing to it is substantially similar to embodiment of the method, so describing fairly simple, relevant part illustrates referring to the part of embodiment of the method.Apparatus and system embodiment described above is merely schematic, the wherein said unit illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. the generation of an electronic invoice and verification method, it is adaptable to electronic invoice service platform side, it is characterised in that including:
S1, in the electronic invoice generated additional electron signature information, and form the electronic invoice file of PDF；
S2, receive checking request after, will resolve the electronic invoice data of the PDF of stamped signature according to PDF specification, obtain the plaintext data to be verified of Electronic Signature and stamped signature, carry out the authenticity verification of electronic invoice.
2. method according to claim 1, it is characterised in that described generation electronic invoice is additional electron signature information simultaneously, to form the electronic invoice file of PDF, farther includes:
S11, reception are made out an invoice and are held the invoice that the Transaction Information sent, Drawee Party input to fill out information；
S12, automatically transfer the invoice number of enterprise of making out an invoice, invoice codes, signature information, and combine Transaction Information that end of making out an invoice sends, the electronic invoice of the non-stamped signature of Automatic generation of information filled out by invoice；
S13, transfer this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform, and verify effectiveness and the legitimacy of this E-seal；
The electronic invoice of non-stamped signature is carried out stamped signature process by S14, the Electronic Signature rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
3. method according to claim 2, it is characterised in that described step S13 farther includes:
The electronic invoice of non-stamped signature is carried out Hash operation, and forms original text cryptographic Hash；
The electronic invoice of non-stamped signature is digitally signed, and forms the digital signature information of Electronic Signature by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；
The generation time according to Electronic Signature, digital signature information is added the timestamp corresponding with Electronic Signature；
According to Electronic Signature data format specifications, digital signature information and timestamp are packed into Electronic Signature.
4. method according to claim 1, it is characterised in that described in receive checking request after, the electronic invoice data of the PDF of stamped signature will be resolved according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature, carries out the authenticity verification of electronic invoice, farther includes:
The stamped signature electronic invoice to be checked that S21, reception ticket checking end send；
S22, resolve electronic invoice data according to PDF specification, obtain the plaintext data to be verified of Electronic Signature and stamped signature and be verified and to ticket checking end return the result.
5. method according to claim 4, it is characterised in that described step S22 farther includes:
Electronic Signature data are resolved, it is thus achieved that E-seal information, Electronic Signature signing messages, and the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform according to Electronic Signature format specification；
Resolve E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；
According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
6. an electronic invoice generation and checking system, it is characterised in that including:
Electronic invoice service platform, for the electronic invoice generated and additional electron signature information, and form the electronic invoice file of PDF, the electronic invoice data of the PDF of stamped signature will be resolved according to PDF specification after receiving checking request, the plaintext data to be verified of acquisition Electronic Signature and stamped signature, carries out the authenticity verification of electronic invoice；
Make out an invoice end, it connects electronic invoice service platform, for detecting that Drawee Party completes to receive after operation, the invoice of the Transaction Information of collection, Drawee Party's input being filled out information and is sent to electronic invoice service platform, the electronic invoice file cocurrent receiving the stamped signature that electronic invoice service platform sends gives Drawee Party；
Ticket checking end, it connects electronic invoice service platform and end of making out an invoice respectively, for receiving electronic invoice from termination of making out an invoice, sends stamped signature electronic invoice to be checked to electronic invoice service platform, and receives the result that electronic invoice service platform returns.
7. system according to claim 6, it is characterised in that described electronic invoice service platform is further used for:
Receive the Transaction Information of end transmission of making out an invoice, information filled out by the invoice of Drawee Party's input；
Automatically transfer the invoice number of enterprise of making out an invoice, invoice codes, signature information, and combine the electronic invoice holding the Transaction Information sent, invoice to fill out the non-stamped signature of Automatic generation of information of making out an invoice；
Transfer this authorized E-seal of enterprise of making out an invoice from third party's control of stamping platform, and verify effectiveness and the legitimacy of this E-seal；
The electronic invoice of non-stamped signature is carried out stamped signature process by the Electronic Signature rule of thumb demonstrate,proved, to generate the electronic invoice of stamped signature.
8. system according to claim 7, it is characterised in that described electronic invoice service platform is further used for:
The electronic invoice of non-stamped signature is carried out Hash operation, and forms original text cryptographic Hash；
The electronic invoice of non-stamped signature is digitally signed, and forms the digital signature information of Electronic Signature by electronic invoice version number, E-seal, temporal information, original text cryptographic Hash, original text attribute information, certificates identified, signature algorithm identifier data composition together；
The generation time according to Electronic Signature, digital signature information is added the timestamp corresponding with Electronic Signature；
According to Electronic Signature data format specifications, digital signature information and timestamp are packed into Electronic Signature.
9. system according to claim 6, it is characterised in that described electronic invoice service platform is further used for:
Receive the stamped signature electronic invoice to be checked that ticket checking end sends；
Resolving electronic invoice data according to PDF specification, the plaintext data to be verified of acquisition Electronic Signature and stamped signature is verified and returns the result to ticket checking end.
10. system according to claim 9, it is characterised in that described electronic invoice service platform is further used for:
Electronic Signature data are resolved, it is thus achieved that E-seal information, Electronic Signature signing messages, and the legitimacy according to the Information Authentication Current electronic seal in control of stamping platform according to Electronic Signature format specification；
Resolve E-seal information, it is thus achieved that seal relevant information and stamped signature people's certificate, and verify whether current seal lost efficacy, if seal lost efficacy, then compare seal out-of-service time and stamped signature time, if seal expired time is more than the stamped signature time, then proceed；
According to original text to be verified, E-seal information, Electronic Signature signing messages, stamped signature people's certification authentication signature.
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| CN201410856899.7A CN105809450A (en) | 2014-12-31 | 2014-12-31 | Electronic invoice generation and verification method and system |
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| CN201410856899.7A CN105809450A (en) | 2014-12-31 | 2014-12-31 | Electronic invoice generation and verification method and system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818961A (en) * | 2005-02-07 | 2006-08-16 | 刘瑞祯 | Electronic billing system |
| CN101017544A (en) * | 2007-02-15 | 2007-08-15 | 江苏国盾科技实业有限责任公司 | Conflated seal affix authentication method having electronic seal digital certification |
| CN101162513A (en) * | 2006-10-11 | 2008-04-16 | 中国民生银行股份有限公司 | Electric signing and sealing system and method for signing electric signing and sealing |
| CN101533501A (en) * | 2009-03-26 | 2009-09-16 | 上海爱姆意机电设备连锁有限公司 | Online transaction system and method thereof |
| US7818256B1 (en) * | 2008-11-20 | 2010-10-19 | Citibank, N.A. | Digital receipt for electronic data and methods and systems for generating same |
| CN103927679A (en) * | 2014-03-31 | 2014-07-16 | 浪潮软件集团有限公司 | Electronic invoice signature and verification method |
| CN103985051A (en) * | 2014-05-30 | 2014-08-13 | 税友软件集团股份有限公司 | Electronic invoice generating method, device and system |
-
2014
- 2014-12-31 CN CN201410856899.7A patent/CN105809450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818961A (en) * | 2005-02-07 | 2006-08-16 | 刘瑞祯 | Electronic billing system |
| CN101162513A (en) * | 2006-10-11 | 2008-04-16 | 中国民生银行股份有限公司 | Electric signing and sealing system and method for signing electric signing and sealing |
| CN101017544A (en) * | 2007-02-15 | 2007-08-15 | 江苏国盾科技实业有限责任公司 | Conflated seal affix authentication method having electronic seal digital certification |
| US7818256B1 (en) * | 2008-11-20 | 2010-10-19 | Citibank, N.A. | Digital receipt for electronic data and methods and systems for generating same |
| CN101533501A (en) * | 2009-03-26 | 2009-09-16 | 上海爱姆意机电设备连锁有限公司 | Online transaction system and method thereof |
| CN103927679A (en) * | 2014-03-31 | 2014-07-16 | 浪潮软件集团有限公司 | Electronic invoice signature and verification method |
| CN103985051A (en) * | 2014-05-30 | 2014-08-13 | 税友软件集团股份有限公司 | Electronic invoice generating method, device and system |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355104A (en) * | 2016-08-25 | 2017-01-25 | 杭州天谷信息科技有限公司 | Electronic signature method for realizing original privacy protection based on sandbox technology |
| CN106504042A (en) * | 2016-10-27 | 2017-03-15 | 百望电子发票数据服务有限公司 | Electronic invoice new line information processing method, client of making out an invoice and relevant device |
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| CN107171802A (en) * | 2017-05-09 | 2017-09-15 | 中国华电集团公司 | System and method for the electronic signature sign test of ERP heterogeneous systems |
| CN107135079A (en) * | 2017-06-30 | 2017-09-05 | 上海策赢网络科技有限公司 | Electronic document verification method, equipment and system |
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| CN109978558A (en) * | 2017-12-27 | 2019-07-05 | 航天信息股份有限公司 | A kind of processing method and electronic invoice examination terminal based on electronic invoice |
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| CN109981530B (en) * | 2017-12-27 | 2021-12-03 | 航天信息股份有限公司 | Server billing authorization management method and system based on digital certificate |
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| CN110942284A (en) * | 2019-11-22 | 2020-03-31 | 山东鲁能软件技术有限公司 | Method and system for generating electronic document and electronic signature based on Ftp |
| CN110889146A (en) * | 2019-11-22 | 2020-03-17 | 山东鲁能软件技术有限公司 | Electronic signature method, device and storage medium |
| CN110889146B (en) * | 2019-11-22 | 2022-03-29 | 山东鲁能软件技术有限公司 | Electronic signature method, device and storage medium |
| CN111177801A (en) * | 2019-12-31 | 2020-05-19 | 航天信息股份有限公司 | Signature method and device of electronic document, storage medium and electronic equipment |
| CN111177801B (en) * | 2019-12-31 | 2023-01-10 | 航天信息股份有限公司 | Signature method and device of electronic document, storage medium and electronic equipment |
| CN113688360A (en) * | 2020-05-18 | 2021-11-23 | 天逸财金科技服务股份有限公司 | Distributed digital signature processing method and system thereof |
| CN113688360B (en) * | 2020-05-18 | 2024-02-09 | 天逸财金科技服务股份有限公司 | Distributed digital signature processing method and system thereof |
| CN113515781A (en) * | 2021-06-07 | 2021-10-19 | 厦门国际银行股份有限公司 | Electronic insurance letter verification method and device |
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Application publication date: 20160727 |