CN101017544B - Conflated seal affix authentication method having electronic seal digital certification - Google Patents
Conflated seal affix authentication method having electronic seal digital certification Download PDFInfo
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- CN101017544B CN101017544B CN2007100203701A CN200710020370A CN101017544B CN 101017544 B CN101017544 B CN 101017544B CN 2007100203701 A CN2007100203701 A CN 2007100203701A CN 200710020370 A CN200710020370 A CN 200710020370A CN 101017544 B CN101017544 B CN 101017544B
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Abstract
This invention relates to one legal seam signature method with electron stamp digital certificate in network identification technique field, which comprises the following steps: through opening, requiring, determining, transferring, sending and stamping steps to realize legal stamp, stamp customer end and servo, CA center certificate servo electron stamp signature operation; through receiving, separating, comparing to realize customer end and stamp servo validating steps to ensure the electron stamp and physical body integral part with combination by traditional physical stamp and modern digital certificate.
Description
Technical field
The present invention relates to a kind of synthetic seal signature authentication method that contains the E-seal digital certificate, belong to the network security certification technical field.
Background technology
Official seal is corporate right's a symbol, and in existing legislation and juridical practice, whether examination is stamped legal person's official seal becomes the major criterion of judging whether civil activity is set up and come into force.
Distinguish from the medium of stamped signature, traditional seal also claims physical seal, is mainly used in the paper document stamped signature.Also has E-seal in addition, E-seal refers to legal digitizing seal and digital certificate binding, with its private key e-file has been carried out digital signature, wherein comprised relevant informations such as user identity, seal information, public-key cryptography, the term of validity, be mainly used in the operational lines such as online working, transaction and carry out similar traditional manual signature, the operation of affixing one's seal for electronic document.By using the stamped signature operation of E-seal to electronic document, with the integrality, authenticity, reliability and the stamped signature entity that guarantee the stamped signature electronic document to the non repudiation of its operation etc.
Retrieval is found, application number is ecommerce operation method and the system thereof that 200510023442.9 Chinese patent application discloses a kind of digital sealing, it can be in conjunction with the identity authentication function of customer digital certificate, realize the stamped signature function of electronic document, with the display mode of seal picture in conjunction with electronic signature, authenticity, the integrality of representing electronic document is that purpose is carried out business operation.The ecommerce operation method and the system thereof of digital sealing provided by the invention, owing to utilize digital signature and digital watermark technology, in conjunction with digital certificate technique guarantee really can not the forging of family identity, undeniable character, and realize enterprise or the authentication of client strange land, document stamped signature by network, and utilize hardware to preserve digital certificate, to reach the security and the unforgeable of higher subscriber identity information.On the other hand, utilize seal or signature way, promptly satisfy custom that the legacy user uses red chapter and make it again to combine and reach jural approval, document of signing and issuing that has E-seal that makes or the same acquire full legal force of contract on the net with digital signature.
In addition, application number is that 200610083793.3 Chinese patent application discloses a kind of E-seal security certification system and method based on CPK.This system comprises sealing system and tests the chapter system.Sealing system comprises CPK stamped signature safety chip and CPK stamped signature unit; The described chapter system that tests comprises that CPK tests Zhang Danyuan and CPK tests the chapter safety chip.The present invention also provides a kind of E-seal safety signature authentication method based on CPK.It can solve the scale problem of E-seal, can carry out safety certification to E-seal easily again.
But all there is following major defect in above prior art:
1, fails to take measures to guarantee the unification of E-seal and physical entity chapter, therefore can't be used in combination;
2, employed graphical E-seal only is common picture during stamped signature, without the approval of control of stamping authoritative institution.
Summary of the invention
The objective of the invention is to: at the defective of above prior art existence, a kind of synthetic seal signature authentication method that contains digital certificate, E-seal is proposed, thereby conventional physical seal and modern digital certificate, E-seal are combined closely, guarantee the unification of E-seal and physical entity chapter, guarantee the non repudiation of integrality, authenticity, reliability and the stamped signature operation of stamped signature electronic document, carry forward vigorously carrying out of e-commerce initiative.
In order to reach above purpose, the present invention contains digital certificate, in the synthetic seal signature authentication method of E-seal, signature client (computing machine) with test chapter client (computing machine) and be connected with the seal server by network, the seal server is connected with CA center certificate LIST SERVER by network, fixing below the chapter body of described synthetic seal (be referring to the applicant's application number 2007100203222 another Chinese patent application) according to being stored in the physical seal that graphical E-seal is made in the seal server, settle the storage chip (KEY) of preserving corresponding E-seal digital certificate and private key thereof on the chapter body, described authentication method contains stamped signature and tests the chapter step, and described stamped signature step comprises:
1), opening steps: the stamped signature user opens the original document for the treatment of stamped signature in the signature client that loads the stamped signature program;
2), request step: the storage chip (KEY) and the signature client computing machine of fit chapter are patched, sign in to the seal server with digital certificate, the E-seal of digital certificate correspondence is transferred in request;
3), confirm step: the seal server carries out the certificate validity verification according to releasing news of CA center certificate LIST SERVER;
4), transfer step: confirming under the effective situation of certificate, its graph of a correspondence E-seal of seal server calls, and graphical E-seal carried out digital signature, to guarantee the reliability in E-seal source, transfer Zhang Jilu to write in the daily record user in case of necessity, so that management;
5), forwarding step: the seal server will comprise at least graphical E-seal, E-seal signing messages, the related data of used digital certificate of E-seal signature and stamped signature person's digital certificate is sent to signature client;
6), the step of affixing one's seal: the graphical E-seal that signature client will receive embeds in the document, in electronic document, show and add a cover physical seal and have the E-seal directly perceived that is equal to legal effectiveness, and will comprise at least document content, graphical E-seal signing messages, used digital certificate of E-seal signature and stamped signature person's digital certificate are write in the file structure with self-defining document format in interior content, the certificate private key that calls stamped signature user in the storage chip (KEY) afterwards forms the stamped signature document to the signature of all the elements in the file structure.
The described chapter step of testing comprises:
7), receiving step: the recipient of signature document opens the stamped signature document to be verified that receives testing of loading stamped signature program in the chapter client;
8), separating step: test the chapter client and resolve the signature document, isolate the signing messages of former document content, E-seal, to used digital certificate, stamped signature person's digital certificate and stamped signature person's the signing messages of E-seal signature;
9), contrast step: test the chapter client and use the stamped signature person's who parses digital certificate PKI that signing messages is decrypted, obtain the original document summary, and isolated processing data information (carrying out the hash computing) obtained new documentation summary, original document summary and new documentation summary are compared, be verified the result, return to the recipient.
Above authentication method rationally is provided with digital signature system and flow process, guaranteed can not forging of user identity with undeniable, simultaneously in conjunction with E-seal, the integrality and the unforgeable of electronic document have been guaranteed, especially with physical seal and E-seal zoarium, both can use separately, also can use simultaneously, be convenient to management, guaranteed both consistance.Therefore, realize goal of the invention, compared with prior art, had outstanding substantive distinguishing features and obvious improvement.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the application system schematic diagram of one embodiment of the invention.
Fig. 2 is the schematic flow sheet of one embodiment of the invention.
Embodiment
Embodiment one
In the present embodiment signature client computing machine with test the chapter client computer and be connected with seal server S eal Center by network, this seal server is connected with CA center certificate LIST SERVER CA Center by network.Fixing below the chapter body of synthetic seal according to being stored in the physical seal that graphical E-seal is made in the seal server, therefore can on paper spare document document, finish traditional stamped signature of impressing.Also be mounted with the storage chip of the band USB that preserves corresponding E-seal digital certificate and private key thereof simultaneously on the chapter body.The whole procedure of using this synthetic seal that contains E-seal digital certificate signature authentication can be divided into stamped signature and test chapter two big processes (referring to Fig. 2), and wherein the step of stamped signature process is:
1), opening steps: the stamped signature user opens the original office document for the treatment of stamped signature in the signature client that loads the stamped signature program; And create the respective document unit that comprises creation-time, modification time, document content in the document properties, with self-defining document element structure storage.
2), request step: the storage chip and the signature client computing machine of fit chapter are patched, input is provided with the password password of storage chip, read the customer digital certificate relevant information from medium, sign in to the seal server with digital certificate, the E-seal of digital certificate correspondence is transferred in request; Because E-seal is deposited in the seal server; and E-seal is signed by the seal server; guarantee the reliability and the authority in E-seal source; therefore strengthened management to seal; simultaneously must just can log on the seal server, strengthen protection seal by digital certificate.
3), confirm step: the seal server carries out the certificate validity verification according to releasing news of CA center certificate LIST SERVER; Whether owing at first check the source of seal reliable in calling the process of E-seal, the digital signature of the department that promptly whether carries weight (if do not have, then refusing stamped signature) has therefore guaranteed the authority and the reliability of seal.
4), transfer step: confirming under the effective situation of certificate, its graph of a correspondence E-seal of seal server calls, the rights of using of strict control E-seal, guarantee that corresponding digital certificate calls corresponding E-seal, avoid the abuse of E-seal, graphical E-seal is carried out digital signature, to guarantee the reliability in E-seal source; Transfer Zhang Jilu to write in the daily record user, so that management;
5), forwarding step: the seal server is with the E-seal of digital certificate correspondence, and the signing messages of E-seal and the used digital certificate of signing send to signature client; Particularly, the seal server with in the document element except that the signature all the elements gather, utilization Hash computing produces a summary, subsequently the private key in the invoke user digital certificate to the result of Hash, promptly the summary sign, again the summary behind former document, graphical E-seal, the signing messages of graphical E-seal and the used digital certificate of signing, the signature is packed together, leave in simultaneously in the seal server, the document after will packing then sends to the message in-coming person of signature client
6), the step of affixing one's seal: the graphical E-seal that signature client will receive embeds in the document, in electronic document, show and add a cover physical seal and have the E-seal directly perceived that is equal to legal effectiveness, and the contents such as digital certificate that will comprise former document, graphical E-seal, the signing messages of graphical E-seal and the used digital certificate of signing, stamped signature person are write in the file structure with self-defining document format, the certificate private key that calls stamped signature user in the storage chip (KEY) afterwards forms the stamped signature document to the signature of all the elements in the file structure.
Above process utilization is based on the digital signature technology of PKI system, guaranteed can not forging of user identity with undeniable, simultaneously in conjunction with E-seal, the integrality and the unforgeable of electronic document have been guaranteed, and realized organically being used in combination convenient, safety, reliable with the entity physical seal.
Testing the chapter process may further comprise the steps:
7), receiving step: the recipient of signature document opens the stamped signature document to be verified that receives testing of loading stamped signature program in the chapter client;
8), separating step: test and resolve self-defining signature document in the chapter client, isolate the signing messages of former document content, E-seal, sign used digital certificate and stamped signature person's signing messages, stamped signature certificate;
9), contrast step: test the chapter client and signing messages is decrypted with stamped signature person's digital certificate PKI, obtain the original document summary, simultaneously former document is carried out again Hash in this locality, obtain a new documentation summary, the new documentation summary that original document summary after will deciphering subsequently and Hash obtain is compared, if consistent, just illustrate that document is not modified, checking is passed through; Otherwise then checking is not passed through.The checking contrast here not only comprises the content of document, also comprises the form of document.
The result who verifies will be presented in the property pages at client computer interface automatically, with the different checking result of different color showings (represent authentication failed such as red display, green demonstration expression checking is passed through), come into plain view.
Facts have proved that present embodiment has following remarkable beneficial effect:
1, digital certificate can openly be issued, and the private key of digital certificate is kept in the secure storage medium, and the people who only has private key just can carry out Electronic Signature, has therefore realized user's authentication;
2, user's physical seal and E-seal are made by unified, ensure the consistance and the safe reliability of seal;
3, synthetic seal is convenient to management, and physical seal and E-seal can use simultaneously, also can use separately, have guaranteed the alternative and the replaceability of conventional commercial affairs and ecommerce.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. a synthetic seal that contains the E-seal digital certificate is signed authentication method, signature client with test the chapter client and be connected with the seal server by network, the seal server is connected with CA center certificate LIST SERVER by network, fixing below the chapter body of described synthetic seal according to being stored in the physical seal that graphical E-seal is made in the seal server, settle the storage chip of preserving corresponding E-seal digital certificate and private key thereof on the chapter body, described authentication method contains stamped signature and tests the chapter step, and described stamped signature step comprises:
1), opening steps: the stamped signature user opens the original document for the treatment of stamped signature in the signature client that loads the stamped signature program;
2), request step: the storage chip and the signature client computing machine of fit chapter are patched, sign in to the seal server with digital certificate, the E-seal of digital certificate correspondence is transferred in request;
3), confirm step: the seal server carries out the certificate validity verification according to releasing news of CA center certificate LIST SERVER;
4), transfer step: confirming under the effective situation of certificate its graph of a correspondence E-seal of seal server calls, and graphical E-seal carried out digital signature;
5), forwarding step: the seal server will comprise at least E-seal, E-seal signing messages, the related data of used digital certificate of E-seal signature and stamped signature person's digital certificate is sent to signature client;
6), the step of affixing one's seal: the graphical E-seal that signature client will receive embeds in the document, in electronic document, show and add a cover physical seal and have the E-seal directly perceived that is equal to legal effect, and will comprise at least document content, graphical E-seal signing messages, used digital certificate of E-seal signature and stamped signature person's digital certificate are write in the file structure with self-defining document format in interior content, the certificate private key that calls stamped signature user in the storage chip afterwards forms the stamped signature document to the signature of all the elements in the file structure;
The described chapter step of testing comprises:
7), receiving step: the recipient of signature document opens the stamped signature document to be verified that receives testing of loading stamped signature program in the chapter client;
8), separating step: test the chapter client and resolve stamped signature document to be verified, isolate the signing messages of former document content, E-seal, digital certificate, stamped signature person's digital certificate and stamped signature person's the signing messages used to E-seal signature;
9), contrast step: test the chapter client and be decrypted with the stamped signature person's that parses digital certificate PKI signing messages to the stamped signature person, obtain the original document summary, and isolated processing data information obtained new documentation summary, original document summary and new documentation summary are compared, be verified the result, return to the recipient.
2. according to the described synthetic seal signature authentication method that contains the E-seal digital certificate of claim 1, it is characterized in that: in the described step 1), when opening the original document for the treatment of stamped signature, signature client is also created the respective document unit that comprises creation-time, modification time, content in the document properties, and with self-defining file structure storage.
3. according to the described synthetic seal signature authentication method that contains the E-seal digital certificate of claim 2, it is characterized in that: described step 2), storage chip is provided with the password password, after patching with the signature client computing machine, the password password that input is provided with storage chip could read the customer digital certificate relevant information and land the seal server from medium.
4. according to the described synthetic seal signature authentication method that contains the E-seal digital certificate of claim 3, it is characterized in that: transfer Zhang Jilu to write in the daily record user in the described step 4).
5. according to the described synthetic seal signature authentication method that contains the E-seal digital certificate of claim 4, it is characterized in that: signature client gathers related content in the document element in the described step 5), utilization Hash computing produces a summary, private key in the invoke user digital certificate is signed to the result of Hash subsequently, the summary behind former document, graphical E-seal, the signing messages of graphical E-seal and the used digital certificate of signing, the signature is write in the file structure together again.
6. according to the described synthetic seal signature authentication method that contains the E-seal digital certificate of claim 4, it is characterized in that: test the chapter client in the described step 9) and signing messages is decrypted with stamped signature person's digital certificate PKI, obtain the original document summary, simultaneously former document is carried out again Hash computing in this locality, obtain a new documentation summary, original document summary and new documentation summary after will deciphering are subsequently compared, if consistent, checking is passed through; Otherwise then checking is not passed through.
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| CN2007100203701A CN101017544B (en) | 2007-02-15 | 2007-02-15 | Conflated seal affix authentication method having electronic seal digital certification |
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| CN2007100203701A CN101017544B (en) | 2007-02-15 | 2007-02-15 | Conflated seal affix authentication method having electronic seal digital certification |
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| CN101017544B true CN101017544B (en) | 2010-12-01 |
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