CN101183439A - Electronic bill processing system and processing method - Google Patents
Electronic bill processing system and processing method Download PDFInfo
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- CN101183439A CN101183439A CNA200610138600XA CN200610138600A CN101183439A CN 101183439 A CN101183439 A CN 101183439A CN A200610138600X A CNA200610138600X A CN A200610138600XA CN 200610138600 A CN200610138600 A CN 200610138600A CN 101183439 A CN101183439 A CN 101183439A
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Abstract
The invention relates to an electronic bill server, a piece of client equipment, an electronic signature device and an electronic bills process system and the process methods. The seal information and the seal label are generated according to the data of seal design when the electronic seal is generated and the digital certificate is obtained. The seal information is bound with the digital certificate. The position information of the electronic seal of the user on the electronic bill is recorded when signing, and the electronic bill, the information of the electronic seal and the position information are hashed by hash functions, and at last the hashed result is signed by the digital certificate. The invention enables visual electronic signature of electronic bill, wherein, the signature result is intuitionistic and the visual result is integrated, undeniable and intuitionistic, thereby enabling real electronic signature of bill.
Description
Technical field
The present invention relates to the electronic bill treatment technology, relate in particular to the electronic bill processing system and the electronic note processing method that can carry out Electronic Signature.
Background technology
Existing bill generally exists with the physical form of papery, material objectization, and this problem that causes some perplexing the bill user is difficult to be resolved, and for example: papers is distinguished difficulty; Bill inquiry poor effect, inefficiency; The risk control cost height of bill circulation and keeping process; The secondary market trading efficiency is low, can't realize the centralized transaction of information transparency, and fair price is difficult to form; The colletion on bill link is many, the recovery of the capital cycle is difficult to determine, or the like.These problems have directly limited the development of bill operation, and are also incompatible with the development in science and technology level of information age.
Some electronic billing systems have appearred now, the business personnel can pass through the computing machine input data information, the billing information of electronization is stored in the system, and can be by with direct-connected printer of computing machine or the printer that is connected with computing machine by network electronic bill being printed.Utilize this electronic billing system, the related personnel is the hand filling bill again, fills in just can finishing bill in system input data, can effectively increase work efficiency, and avoids the duplication of labour.But still there are some problems in this electronic billing system: it has just realized the electronization of bill in internal system, when needs need circulate bill two sides or in many ways, still need bill printing is come out to carry out stamped signature, send paper-bill to other party then.
Along with the development of infotech, people bring into use digital signature technology that e-file is carried out rapidly, signs at a distance.The research of present digital signature technology mainly is based on public-key cryptosystem, and more famous Digital Signature Algorithm comprises RSA, E1Gma1, Schnorr etc.Key mainly is by trust authority, as authentication center (Certificate Authority is hereinafter to be referred as CA), is presented to the user in the mode of certificate.
In general, digital signature is the data that the user encrypts gained with the private key of oneself to hash (hash) summary of raw data.The PKI that the information receiver uses information transmitter is decrypted the back and obtains the hash summary being attached to digital signature after the raw information, and by contrasting with the hash summary that the raw data of receiving produces with oneself, just can be sure of that whether raw information is distorted, and has guaranteed the integrality of data.In addition,, have only the sender just may produce this digital signature, therefore can guarantee sender's authenticity owing to have only just unique private key that has of sender in theory; Also owing to have only the sender just may produce this digital signature, so as long as digital signature is passed through checking, the sender just can not deny once sending this message, the data after the digital signature have non-repudiation like this.Digital signature has a wide range of applications at aspects such as ecommerce, E-Government, but, present digital signature does not also possess the visual effect directly perceived of similar traditional-handwork signature, if utilize existing digital signature technology that electronic bill is carried out the Electronic Signature operation, though can verify to integrality, authenticity and the non-repudiation of electronic bill data, but operating personnel can not see to intuitive and convenient bill and whether be performed the Electronic Signature operation when browsing the associated electrical file, that is whom the stamped signature person is.
Summary of the invention
The objective of the invention is at the existing in prior technology problem, electronic bill server, electronic bill client, Electronic Signature device, electronic bill processing system and electronic note processing method are provided, realize the electronic stamped signature of electronic bill, and have stamped signature effect intuitively, thereby really realize the electronization of bill.
To achieve these goals, the invention provides the electronic bill server, electronic bill client device, Electronic Signature device, the electronic bill processing system that constitutes by described electronic bill server, electronic bill client device, Electronic Signature device, and electronic note processing method.
Electronic bill server of the present invention comprises: the server end communication interface is used for carrying out information interaction with the electronic bill client device; Server end electronic bill processing module is connected with described server end communication interface, is used for generating and the managing electronic bill; Server seal memory module is used for storage server E-seal information; Server end stamped signature module is connected with described server end electronic bill processing module and server seal memory module, is used for electronic bill is carried out the Electronic Signature operation; The server end authentication module is connected with described server end electronic bill processing module, is used for electronic bill is verified.
Electronic bill client device of the present invention comprises: the client communication interface is used for carrying out information interaction with the electronic bill server; Client stamped signature device communication interface is used for carrying out information interaction with the Electronic Signature device that is connected; Client electronic bill processing module, be connected with described client communication interface and client stamped signature device communication interface, be used to generate service request, handle electronic bill, E-seal in the Electronic Signature device is verified, and used the Electronic Signature device that electronic bill is carried out the Electronic Signature operation; The client validation module is connected with described client electronic bill processing module, is used for electronic bill is verified.
Electronic Signature device of the present invention comprises: communication interface is used to be connected to the electronic bill client device, and carries out information interaction with the electronic bill client device; User's seal memory module is used to store user's E-seal information; User's stamped signature module is connected with described communication interface and user's seal memory module, is used for electronic bill is carried out the Electronic Signature operation.
Electronic note processing method of the present invention comprises:
The electronic bill server generates the step of E-seal;
The electronic bill server generates the step of electronic bill; And
Electronic bill server and/or electronic bill client device carry out the step of Electronic Signature operation to electronic bill.
When generating the user's electronic seal, generate seal information and seal sign according to the seal pattern data; Be user's distribute digital certificate; Generate authentication information according to customer digital certificate key identification number, User Recognition name, seal information, seal sign; Described seal information, seal sign, authentication information and user's digital certificate saved as the user's electronic seal and store user's Electronic Signature equipment into.
When generating the server electronic seal, generate seal information and seal sign according to the seal pattern data; Obtain server numeral certificate; The step of distributing the seal numbering; Preserve seal numbering, seal information, seal sign, server numeral certificate and key.
When carrying out Electronic Signature, the positional information of recorded electronic seal on electronic bill uses hash function that electronic bill, server electronic seal and positional information are carried out hash, utilizes server numeral certificate that the hash result is signed.
The present invention has realized the visual Electronic Signature of electronic bill, when having realized the bill electronization, has stamped signature effect intuitively, thereby really realizes the electronic stamped signature of bill.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of electronic bill processing system of the present invention;
Fig. 2 is an electronic note processing method process flow diagram of the present invention;
Fig. 3 is electronic bill server one a specific embodiment structural representation of the present invention;
Fig. 4 is the method flow diagram of the generation user's electronic seal of electronic note processing method of the present invention;
Fig. 5 is the method flow diagram of the generation server electronic seal of electronic note processing method of the present invention;
Fig. 6 is a specific embodiment structural representation again of electronic bill server of the present invention;
Fig. 7 is the server end electronic bill processing module structural representation of electronic bill server of the present invention;
Fig. 8 is the client electronic bill processing module structural representation of electronic bill client device of the present invention.
Embodiment
Electronic bill among the present invention comprises the e-file that needs stamped signature of various electronizations such as electronic contract, bill evidence.
As shown in Figure 1, be the structural representation of electronic bill processing system of the present invention, comprise electronic bill server, electronic bill client device and Electronic Signature device.Wherein, the electronic bill server is used to provide the electronic bill service, promptly generates and the managing electronic bill, and electronic bill is carried out the Electronic Signature operation, and the checking Electronic Signature; The Electronic Signature device is used to store the user's electronic seal and uses the user's electronic seal that electronic bill is carried out the Electronic Signature operation; The electronic bill service of using the electronic bill server to provide is provided the electronic bill client device, the validity of the E-seal in the checking Electronic Signature device, and the electronic bill that will need to use the user's electronic seal to carry out stamped signature is sent to the Electronic Signature device, carries out the stamped signature operation by the Electronic Signature assembling device.
The electronic bill server comprises: the server end communication interface is used for carrying out information interaction by internet or dedicated network and electronic bill client device; Server end electronic bill processing module is connected with the server end communication interface, is used for generating and the managing electronic bill; Server seal memory module is used for storage server E-seal information; Server end stamped signature module is connected with server end electronic bill processing module, is used for electronic bill is carried out the Electronic Signature operation; The server end authentication module is connected with server end electronic bill processing module, is used for electronic bill is verified.
The electronic bill client device comprises: the client communication interface is used for carrying out information interaction with the electronic bill server; Client stamped signature device communication interface is used for carrying out information interaction with the Electronic Signature device that is connected; Client electronic bill processing module, be connected with client communication interface and client stamped signature device communication interface, be used to generate service request, handle electronic bill, E-seal in the Electronic Signature device is verified, and used the Electronic Signature device that electronic bill is carried out the Electronic Signature operation; The client validation module is connected with client electronic bill processing module, is used for electronic bill is verified.
The Electronic Signature device comprises: communication interface is used to be connected to the electronic bill client device, and carries out information interaction with the electronic bill client device; User's seal memory module is used to store the user's electronic seal; User's stamped signature module is connected with described communication interface and user's seal memory module, is used to use the user's electronic seal that electronic bill is carried out the Electronic Signature operation.Digital signature is carried out in Electronic Signature device inside, thereby can guarantee the security of E-seal and digital certificate.
As shown in Figure 2, for electronic note processing method process flow diagram of the present invention, comprise the steps:
Step 1, electronic bill server generate E-seal;
As shown in Figure 3, be electronic bill server one specific embodiment structural representation of the present invention, further added the E-seal generation module that is used to generate E-seal, this module is connected with server seal memory module, can generate server and carry out the used server electronic seal of Electronic Signature, and the user to carry out Electronic Signature be used user's electronic seal.
As shown in Figure 4, the method flow diagram for the generation user's electronic seal of electronic note processing method of the present invention comprises the steps:
The seal pattern data can be the pattern data of user's seal, also can be pattern data of user's handwritten signature etc.The drawing information that the user submits to, often adopt the mode of scanning to obtain, pattern data is bigger, the precision of images is higher, and in E-seal, sometimes do not need high-precision picture demonstration and the easy victim of seal drawing information unencryption to read or distort,, generate seal information so need compress and encryption to the seal pattern data.This seal of seal sign unique identification can utilize hash function that seal information is carried out hash computing (hereinafter to be referred as the Hash computing), and operation result is identified as seal.Seal information comprises the pattern data of seal, is used for intuitively showing seal.
The distribution of digital certificate can realize by existing authentication center, as China's finance authentication center (China Financial Certification Authority is hereinafter to be referred as CFCA), Beijing CA, Tianjin CA etc.; Also can be for realizing that the present invention builds authentication center.
Authentication information is used to identify the legitimacy of this E-seal.The using system private key is to customer digital certificate key identification number, User Recognition name, seal information, the seal sign generation authentication information of signing, be about to identification number, User Recognition name, seal information and the whole input of seal sign of the key in the customer digital certificate as the Hash function, input produces a hash value, with system's private key this hash value is signed, generate authentication information.Key identification in the digital certificate number and User Recognition name are the characteristic informations that can identify this key and digital certificate, promptly, the identification number of key is unique for each key, equally, its User Recognition name also is unique for each digital certificates, therefore, the identification number and the User Recognition name of key are carried out the Hash computing with seal sign and seal information, can bind key identification, User Recognition name, seal sign and seal information.By system's issuer that can guarantee E-seal of signing is electronic billing system, thereby has stopped the possibility that the assailant forges dummy seal.
The user's electronic seal should be stored on user's the Electronic Signature device, the Electronic Signature device directly can be connected with the electronic bill server, then the user's electronic seal that generates is stored on this Electronic Signature device.Electronic Signature equipment can for example, have the USB memory disc of calculation function for having any device of computing and memory function, and this USB memory disc is connected with electronic bill server and electronic bill client device by USB interface.
The electronic bill server also can be preserved the information of user's electronic seal, so that grasp the state that sends E-seal in real time, and the corresponding relation of checking user and E-seal.
As shown in Figure 5, the method flow diagram for the generation server electronic seal of electronic note processing method of the present invention comprises the steps:
According to the demand of business, server end may need multiple digital certificate and a plurality of E-seal, when having a plurality of E-seal, but the numbering that need distribute this seal of unique identification for seal, so that when Electronic Signature, extract corresponding E-seal information.E-seal can be corresponding one by one with digital certificate, i.e. digital certificate of each E-seal binding; But also many-one, digital certificate of promptly a plurality of E-seals bindings.
E-seal for the Control Server end, the electronic bill server can set in advance a threshold value, and the number of the server electronic seal of record generation, when needs generate the server electronic seal, whether the number of judging the server electronic seal that has generated has earlier reached pre-set threshold, if do not reach, then generate seal information and seal sign according to the seal pattern data.
The authenticating user identification of electronic bill processing system of the present invention and safety certification can be accomplished in several ways.In the electronic bill server, add the authentication module that is specifically designed to authenticating user identification and safety certification, when various information transmitted enter by the server end communication interface, send straight this authentication module earlier and carry out the sound authentication of authentication, after authentication is passed through, be sent to server end electronic bill processing module again and handle.In addition, can be by having authentication and security certification system is connected with existing, the information that is sent to the electronic bill server can be sent to existing Verification System earlier, after by authentication, is sent to the electronic bill server process again.
As shown in Figure 6, the specific embodiment structural representation again for electronic bill server of the present invention on basis embodiment illustrated in fig. 4, has further added server end stamped signature device communication interface and authentication module.Server end stamped signature device communication interface is connected with the E-seal generation module, is used for the user's electronic seal is stored to the Electronic Signature device that is connected with this server end stamped signature device communication interface; Authentication module Connection Service device end communication interface and server end electronic bill processing module are used for authenticating user identification and safety certification.
As shown in Figure 7, server end electronic bill processing module structural representation for electronic bill server of the present invention, comprise: the server end data processing module, be connected with server end communication interface, server end stamped signature module and server end authentication module, the service request that is used for receiving according to the server end communication interface generates electronic bill, by server end stamped signature module electronic bill is carried out the Electronic Signature operation, and electronic bill is verified by the server end authentication module; Server end electronic bill database is connected with the server end data processing module, is used for the store electrons bill masterplate and the electronic bill of stamped signature; The electronic bill enquiry module is connected with server end electronic bill database, is used to inquire about the electronic bill of stamped signature.
The electronic bill server at first extracts server electronic seal information when the signature E-seal, if there are a plurality of E-seals, can determine the E-seal numbering according to the type for the treatment of the stamped signature electronic bill so, extracts E-seal according to the seal numbering.Then, the electronic bill server uses the server electronic seal that electronic bill is carried out the Electronic Signature operation, the positional information of record server electronic seal on electronic bill, it is the position of stamped signature, use the Hash function that electronic bill, server electronic seal and positional information are carried out the Hash computing, utilize server numeral certificate that the hash result is signed.In order to guarantee the security of server electronic seal, when generating the server electronic seal, can carry out cryptographic operation to server numeral certificate, generate server numeral certificate and the key encrypted, at this moment, before carrying out the Electronic Signature operation, need be decrypted server numeral certificate and key.
As shown in Figure 8, client electronic bill processing module structural representation for electronic bill client device of the present invention, comprise: the client data processing module, be connected with client communication interface, client stamped signature device communication interface and client validation module, be used to generate service request, handle electronic bill, use the Electronic Signature device that electronic bill is carried out the Electronic Signature operation by client stamped signature device communication interface, and electronic bill is verified by the client validation module; The seal authentication module is connected with described client data processing module, is used for E-seal is verified; Client electronic bill database is connected with described client data processing module, is used to store stamped signature electronic bill.
When the electronic bill client device carries out the Electronic Signature operation to electronic bill, verify the validity of the user's electronic seal of storing in the Electronic Signature device earlier; When the user's electronic seal was effective, the electronic bill client device just used the user's electronic seal that electronic bill is carried out the Electronic Signature operation.During E-seal, untie signature in checking earlier, judge that the user's electronic seal is whether for the generation of electronic bill server; If the electronic bill server generates, illustrate that then this user's electronic seal is legal; Under the legal situation of user's electronic seal, from the user's electronic seal, extract seal information, seal sign, customer digital certificate key identification number and User Recognition name, carry out the Hash computing, with hash value with untie the result that obtains of signature and compare, if it is consistent, then the user's electronic seal is effective, otherwise the user's electronic seal is invalid.When the user's electronic seal is effective, can utilize this user's electronic seal to carry out the Electronic Signature operation, the positional information of recording user's electronic seal on electronic bill, use the Hash function that electronic bill, user's electronic seal and positional information are carried out the Hash computing, utilize customer digital certificate that hash value is signed.The electronic bill server has received carrying out that the electronic bill client device the sends electronic bill of electronic signature generates the electronic bill of stamped signature that includes user's electronic seal information and signing messages, preserves and be sent to the electronic bill client device.
The present invention can also make stamped signature possess the visual effect directly perceived of similar traditional signatures on the basis that guarantees traditional digital signature characteristic, promptly can also make stamped signature possess the visual effect directly perceived of similar traditional signatures under the prerequisite of the integrality, authenticity and the non-repudiation that guarantee signature.
For the electronic bill of stamped signature, electronic bill server and electronic bill client device all can be verified the integrality of bill and the validity of seal.When the integrality of stamped signature electronic bill is verified, use the Hash function that electronic bill, E-seal and positional information are carried out the Hash computing; Untie signature; Comparison hash value and the signature untied, if the two unanimity, then this stamped signature electronic bill be complete.When the user's electronic seal validity on the stamped signature electronic bill is verified, untie the signature in the authentication information, judge what whether E-seal generated for the electronic bill server; From the user's electronic seal, extract seal information, seal sign, customer digital certificate key identification number and User Recognition name, carry out the hash computing, with the hash result with untie the result that signature obtains and compare, if it is consistent, then the user's electronic seal is effective, otherwise the user's electronic seal is invalid.
The electronic bill server is preserved all electronic bills of stamped signature, and the electronic bill client device can be preserved the relevant electronic bill of stamped signature of expection.The electronic bill server provides the electronic bill query function, at the electronic bill client device during to electronic bill server lookup electronic bill, extracts corresponding electronic bill according to the sign of the electronic bill of inquiry and returns client device.
When system adopts the browser/server structure pattern, can use the ActiveX control technology.The user by electronic bill client device login electronic bill server after, opening needs the Web of the stamped signature page, fill message, the user finish fill in and confirm errorless after, submit the Web page to the electronic bill server.The electronic bill server generates the affirmation page (static page) in not tape input territory, and in the page, embed ActiveX control, ActiveX control can be presented as the sample chapter of transparent demonstration on the page, the Active space downloads to client device automatically when the bitter lake browser shows this page for the first time.Add two Hidden fields in the page, be respectively applied for and deposit client's stamped signature image information and signing messages.When carrying out the stamped signature operation, at first the validity of the E-seal in the Electronic Signature device is verified, in the digital signature device, carry out Electronic Signature then.After the stamped signature success, the relevant position shows the seal pattern of E-seal in the Web webpage.The electronic bill server is preserved and submitted to stamped signature image information and signing messages by 2 Hidden fields in the page.The electronic bill server generates the checking page that has E-seal and authentication information, has also embedded ActiveX control in this checking page, comprises the user's seal image and the signing messages that have passed through compression and encrypted, and can add automatic and manual authentication function.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field should be appreciated that still and can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (36)
1. electronic bill server, comprising:
The server end communication interface is used for carrying out information interaction with the electronic bill client device;
Server end electronic bill processing module is connected with described server end communication interface, is used for generating and the managing electronic bill;
Server seal memory module is used for storage server E-seal information;
Server end stamped signature module is connected with described server end electronic bill processing module and server seal memory module, is used for electronic bill is carried out the Electronic Signature operation;
The server end authentication module is connected with described server end electronic bill processing module, is used for electronic bill is verified.
2. electronic bill server according to claim 1 wherein also comprises:
The E-seal generation module is connected with described server seal memory module, is used to generate server electronic seal and user's electronic seal.
3. electronic bill server according to claim 2, wherein also comprise: server end stamped signature device communication interface, be connected with described E-seal generation module, be used for the user's electronic seal is stored to the Electronic Signature device that is connected with this server end stamped signature device communication interface.
4. electronic bill server according to claim 1 wherein also comprises: authentication module is used for authenticating user identification and safety certification; Described server end communication interface is connected with server end electronic bill processing module by this authentication module.
5. electronic bill server according to claim 1, wherein said server end electronic bill processing module comprises:
The server end data processing module, be connected with described server end communication interface, server end stamped signature module and server end authentication module, the service request that is used for receiving according to the server end communication interface generates electronic bill, by server end stamped signature module electronic bill is carried out the Electronic Signature operation, and electronic bill is verified by the server end authentication module;
Server end electronic bill database is connected with described server end data processing module, is used for the store electrons bill masterplate and the electronic bill of stamped signature;
The electronic bill enquiry module is connected with described server end electronic bill database, is used to inquire about the electronic bill of stamped signature.
6. electronic bill client device, comprising:
The client communication interface is used for carrying out information interaction with the electronic bill server;
Client stamped signature device communication interface is used for carrying out information interaction with the Electronic Signature device that is connected;
Client electronic bill processing module, be connected with described client communication interface and client stamped signature device communication interface, be used to generate service request, handle electronic bill, E-seal in the Electronic Signature device is verified, and used the Electronic Signature device that electronic bill is carried out the Electronic Signature operation;
The client validation module is connected with described client electronic bill processing module, is used for electronic bill is verified.
7. electronic bill client device according to claim 6, wherein said client electronic bill processing module comprises:
The client data processing module, be connected with described client communication interface, client stamped signature device communication interface and client validation module, be used to generate service request, handle electronic bill, use the Electronic Signature device that electronic bill is carried out the Electronic Signature operation by client stamped signature device communication interface, and electronic bill is verified by the client validation module;
The seal authentication module is connected with described client data processing module, is used for E-seal is verified;
Client electronic bill database is connected with described client data processing module, is used to store the electronic bill of stamped signature.
8. Electronic Signature device, comprising:
Communication interface is used to be connected to the electronic bill client device, and carries out information interaction with the electronic bill client device;
User's seal memory module is used to store user's E-seal information;
User's stamped signature module is connected with described communication interface and user's seal memory module, is used for electronic bill is carried out the Electronic Signature operation.
9. electronic bill processing system, comprising:
The electronic bill server is used to provide the electronic bill service, generates and the managing electronic bill, and electronic bill is carried out the Electronic Signature operation, and the checking Electronic Signature; This electronic bill server comprises:
The server end communication interface is used for carrying out information interaction with the electronic bill client device;
Server end electronic bill processing module is connected with described server end communication interface, is used for generating and the managing electronic bill;
Server seal memory module is used for storage server E-seal information;
Server end stamped signature module is connected with described server end electronic bill processing module and server seal memory module, is used for electronic bill is carried out the Electronic Signature operation; And
The server end authentication module is connected with described server end electronic bill processing module, is used for electronic bill is verified;
The electronic bill client device is connected with described electronic bill server, and the electronic bill service of using the electronic bill server to provide is provided; This electronic bill server comprises:
The client communication interface is used for carrying out information interaction with the electronic bill server;
Client stamped signature device communication interface is used for carrying out information interaction with the Electronic Signature device that is connected;
Client electronic bill processing module, be connected with described client communication interface and client stamped signature device communication interface, be used to generate service request, handle electronic bill, E-seal in the Electronic Signature device is verified, and used the Electronic Signature device that electronic bill is carried out the Electronic Signature operation;
The client validation module is connected with described client electronic bill processing module, is used for electronic bill is verified;
The Electronic Signature device is connected with described electronic bill client device, is used to store the user's electronic seal and uses the user's electronic seal that electronic bill is carried out the Electronic Signature operation; This Electronic Signature device comprises:
Communication interface is used to be connected to the electronic bill client device, and carries out information interaction with the electronic bill client device;
User's seal memory module is used to store the user's electronic seal;
User's stamped signature module is connected with described communication interface and user's seal memory module, is used to use the user's electronic seal that electronic bill is carried out the Electronic Signature operation.
10. electronic bill processing system according to claim 9, wherein said electronic bill server also comprises:
The E-seal generation module is connected with described server seal memory module, is used to generate server electronic seal and user's electronic seal.
11. electronic bill processing system according to claim 10, wherein said electronic bill server also comprises: server end stamped signature device communication interface, be connected with described E-seal generation module, be used for the user's electronic seal is stored to the Electronic Signature device that is connected with this server end stamped signature device communication interface.
12. electronic bill processing system according to claim 9, wherein said electronic bill server also comprises: authentication module is used for authenticating user identification and safety certification; Described server end communication interface is connected with server end electronic bill processing module by this authentication module.
13. electronic bill processing system according to claim 9, wherein said server end electronic bill processing module comprises:
The server end data processing module, be connected with described server end communication interface, server end stamped signature module and server end authentication module, the service request that is used for receiving according to the server end communication interface generates electronic bill, by server end stamped signature module electronic bill is carried out the Electronic Signature operation, and electronic bill is verified by the server end authentication module;
Server end electronic bill database is connected with described server end data processing module, is used for the store electrons bill masterplate and the electronic bill of stamped signature;
The electronic bill enquiry module is connected with described server end electronic bill database, is used to inquire about the electronic bill of stamped signature.
14. electronic bill processing system according to claim 9, wherein said client electronic bill processing module comprises:
The client data processing module, be connected with described client communication interface, client stamped signature device communication interface and client validation module, be used to generate service request, handle electronic bill, use the Electronic Signature device that electronic bill is carried out the Electronic Signature operation by client stamped signature device communication interface, and electronic bill is verified by the client validation module;
The seal authentication module is connected with described client data processing module, is used for E-seal is verified;
Client electronic bill database is connected with described client data processing module, is used to store stamped signature electronic bill.
15. an electronic note processing method, comprising:
The electronic bill server generates the step of E-seal;
The electronic bill server generates the step of electronic bill; And
Electronic bill server and/or electronic bill client device carry out the step of Electronic Signature operation to electronic bill.
16. electronic note processing method according to claim 15, the step of wherein said generation E-seal comprises: generate the step of user's electronic seal and the step that generates the server electronic seal.
17. electronic note processing method according to claim 16, the step of wherein said generation user's electronic seal specifically comprises:
Generate the step of seal information and seal sign according to the seal pattern data;
Step for user's distribute digital certificate;
Generate the step of authentication information according to customer digital certificate key identification number, User Recognition name, seal information, seal sign;
Described seal information, seal sign, authentication information and user's digital certificate saved as the user's electronic seal and store the step of user's Electronic Signature equipment into.
18. electronic note processing method according to claim 17, the wherein said step that generates authentication information according to customer digital certificate key identification number, User Recognition name, seal information, seal sign is: the using system private key is to customer digital certificate key identification number, User Recognition name, seal information, the seal sign generation authentication information of signing.
19. electronic note processing method according to claim 15, wherein said electronic bill client device comprises the step that electronic bill carries out the Electronic Signature operation:
The step of the validity of electronic bill client device checking user's electronic seal;
When the user's electronic seal was effective, the electronic bill client device used the user's electronic seal electronic bill to be carried out the step of Electronic Signature operation.
20. electronic note processing method according to claim 19, the step of the validity of wherein said checking user's electronic seal is specially: untie signature, judge what whether E-seal generated for the electronic bill server; From the user's electronic seal, extract seal information, seal sign, customer digital certificate key identification number and User Recognition name, carry out the hash computing, with the hash result with open the result that signature obtains and compare, if it is consistent, then the user's electronic seal is effective, otherwise the user's electronic seal is invalid.
21. electronic note processing method according to claim 19, wherein said use user's electronic seal is specially the step that electronic bill carries out the Electronic Signature operation: the positional information of recording user's electronic seal on electronic bill, use hash function that electronic bill, user's electronic seal and positional information are carried out hash, utilize customer digital certificate that the hash result is signed.
22. electronic note processing method according to claim 21, wherein also comprise: the electronic bill server has received carrying out that the electronic bill client device the sends electronic bill of electronic signature, generation includes the electronic bill of stamped signature of user's electronic seal information and signing messages, preserves and be sent to the electronic bill client device.
23. electronic note processing method according to claim 16, the step of wherein said generation server electronic seal specifically comprises:
Generate the step of seal information and seal sign according to the seal pattern data;
Obtain the step of server numeral certificate;
The step of distributing the seal numbering;
Preserve the step of seal numbering, seal information, seal sign, server numeral certificate and key.
24. electronic note processing method according to claim 23 wherein also comprises the number of the server electronic seal that the electronic bill server record generates.
25. electronic note processing method according to claim 24, wherein said step according to seal pattern data generation seal information and seal sign is specially: whether the number of judging the server electronic seal that has generated has reached pre-set threshold, if do not reach, then generate seal information and seal sign according to the seal pattern data.
26. electronic note processing method according to claim 15, wherein said electronic bill server comprises the step that electronic bill carries out the Electronic Signature operation:
Extract the step of server electronic seal information;
Use the server electronic seal electronic bill to be carried out the step of Electronic Signature operation.
27. electronic note processing method according to claim 26, the step of wherein said extraction server electronic seal information is specially: determine the seal numbering according to the type of electronic bill, according to the seal numbering, extract the server electronic seal.
28. electronic note processing method according to claim 26, wherein said use server electronic seal is specially the step that electronic bill carries out the Electronic Signature operation: the positional information of record server electronic seal on electronic bill, use hash function that electronic bill, server electronic seal and positional information are carried out hash, utilize server numeral certificate that the hash result is signed.
29. electronic note processing method according to claim 26, the step of wherein said generation server electronic seal also comprises: server numeral certificate is carried out cryptographic operation, generate the step of digital certificate of the server of encrypting and key.
30. electronic note processing method according to claim 29, wherein said electronic bill server comprise also that to the step that electronic bill carries out the Electronic Signature operation electronic bill server is decrypted server numeral certificate and key.
31. according to the arbitrary described electronic note processing method of claim 17-30, wherein said step according to seal pattern data generation seal information and seal sign comprises:
Generate the step of seal information according to the seal pattern data; And
Generate the step of seal sign according to seal information.
32. electronic note processing method according to claim 31, wherein said step according to seal pattern data generation seal information is specially: the seal pattern data is compressed or/and encrypt the seal information that generates.
33. electronic note processing method according to claim 31, wherein said step according to seal information generation seal sign is specially: use hash function that described seal information is carried out hash, the hash result who obtains is identified as seal.
34. according to the arbitrary described electronic note processing method of claim 17-30, wherein also comprise: the step that electronic bill server and/or electronic bill client device are verified the integrality of stamped signature electronic bill, specifically comprise: electronic bill server and/or electronic bill client use hash function that electronic bill, E-seal and positional information are carried out hash, the PKI that uses digital signature to carry is deciphered signature, comparison hash result and decrypted result, if the two unanimity, then this stamped signature electronic bill be complete.
35. according to the arbitrary described electronic note processing method of claim 17-30, wherein also comprise: the step that electronic bill server and/or electronic bill client device are verified the E-seal validity of stamped signature electronic bill, specifically comprise: untie E-seal signature, judge that E-seal is whether for the generation of electronic bill server; From the user's electronic seal, extract seal information, seal sign, customer digital certificate key identification number and User Recognition name, carry out the hash computing, with the hash result with untie the result that signature obtains and compare, if it is consistent, then the user's electronic seal is effective, otherwise the user's electronic seal is invalid.
36. according to the arbitrary described electronic note processing method of claim 17-30, wherein also comprise: the electronic bill client device is to the step of electronic bill server lookup electronic bill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610138600XA CN101183439A (en) | 2006-11-14 | 2006-11-14 | Electronic bill processing system and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200610138600XA CN101183439A (en) | 2006-11-14 | 2006-11-14 | Electronic bill processing system and processing method |
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| CN101183439A true CN101183439A (en) | 2008-05-21 |
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