CN1996371A - System for implementing inter-bank use of digital certificates and method therefor - Google Patents

System for implementing inter-bank use of digital certificates and method therefor Download PDF

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Publication number
CN1996371A
CN1996371A CNA200610144264XA CN200610144264A CN1996371A CN 1996371 A CN1996371 A CN 1996371A CN A200610144264X A CNA200610144264X A CN A200610144264XA CN 200610144264 A CN200610144264 A CN 200610144264A CN 1996371 A CN1996371 A CN 1996371A
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China
Prior art keywords
digital certificate
bank
user
registration code
registration
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CNA200610144264XA
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Chinese (zh)
Inventor
张昊
黄蓉嵘
邵志远
史佳乐
李丽仙
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CFCA Co Ltd
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CFCA Co Ltd
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Application filed by CFCA Co Ltd filed Critical CFCA Co Ltd
Priority to CNA200610144264XA priority Critical patent/CN1996371A/en
Publication of CN1996371A publication Critical patent/CN1996371A/en
Pending legal-status Critical Current

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Abstract

The invention relates to information safety field, particularly shared system and method of digital bank certificate through digital data transmission. Through cross bank digital certificate general register application and system and bank interface, it is composed by data base, application server, web server, router, special net and public network and the customer end. It starts with the cross bank register application system accepting the application, then registering the validity of the existing digital certificate, automatically extracting the DN of the digital certificate and returning to the register code, with the bank signing system accepting the submitted register code, bank customer end submitting corresponding DN request based on register code, returning to DB information after judgment of the validity of the register application system. It realizes the generality of on line bank with applying only one digital certificate.

Description

A kind of System and method for of realizing that the digital certificate cross-bank is general
Technical field
The present invention relates to field of information security technology, particularly a kind of by the general System and method for of digital data transmission realization digital certificate cross-bank.
Background technology
At present, China comprises that the Web bank of whole national commercial bank of four big nationalized banks has all adopted secure authentication technology.But because the time of PKI/CA technology bank's application on the net is also shorter, comprise certification authority, bank self, the digital certificate client, government regulator all also belongs to the exploratory stage in interior each side to the application of secure authentication technology and management, the construction of China Web bank safety certification is planned in authentication system, the authentication techniques standard is unified, certification authority's management, on formulating, relevant law also has bigger deficiency, and that a wherein outstanding problem is exactly the digital certificate of the same certification authority by each tame Web bank application is still separate, can't realize that inter-bank is general.The root of this problem is embodied in following several aspect:
What 1) Web bank of most of commercial bank provided to its user all is the digital certificate of being signed and issued by same CA, but each row Web bank causes the content in partial data territory in the digital certificate and connotation different to the individual demand of digital certificate;
2) each Web bank of tame bank end is different to the authentication business rule of digital certificate;
3) each Web bank of bank can't provide its line number word certificate that same certification authority signs and issues in the general function of one's own profession.
Therefore, digital certificate is can't cross-bank general, gives the general difficulty of bringing of user's cross-bank.
Summary of the invention
The object of the present invention is to provide a kind of by the general System and method for of digital data transmission realization digital certificate cross-bank.
The problem to be solved in the present invention is, hold user from digital certificate certain tame bank application, that sign and issue by authoritative third party certification authority (CA) by System and method for provided by the invention, can realize that digital certificate is general in the Web bank of other bank, it is that the unified trust domain that the China's Financial field is set up based on Public Key Infrastructure(PKI) mechanism provides a kind of realization means, belongs to the information security technology application in the bank on the net.
The present invention in the middle of can applying to the Web bank field, also can be implemented in other field according to System and method for provided by the invention, general as the digital certificate between each mechanism in other industries such as ecommerce, E-Payment, the tax.
A kind of system that realizes that the digital certificate cross-bank is general, comprise the interface between that general registration declaration system of digital certificate inter-bank and software are realized and banking system, specifically be made up of database, application server, Web server, router, private network or public network, digital certificate subscription client and bank client end, certificate user client and bank client end are got in touch by private network or public network and the general registration declaration system of digital certificate inter-bank.
Described application server can according to the DN in user's existing digit certificate generate one unique, unduplicated coding (registration code).
Described client comprises the client of digital certificate user capture digital certificate registration declaration system and the client of bank's visit registration declaration system.
When described digital certificate user registers declaration system by private client software or browser access, the method of using the existing digital certificate to carry out digital signature realizes the authentication to user identity, and produce the encrypted transmission that session key is realized user side and server end data, obtain simultaneously and be used to register the coding of declaring (registration code).
The described registration code that is encoded to.
Described bank client end extracts the DN of the customer digital certificate corresponding with registration code according to user's registration code.
Digital certificate inter-bank universal method realizes that by the signatory method of inter-bank the present invention proposes the signatory method of a kind of customer digital certificate inter-bank, may further comprise the steps:
1. the general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that the digital certificate subscription client proposes;
2. the general registration declaration system of digital certificate inter-bank is verified the validity of user's existing digit certificate;
3. system extracts DN in the customer digital certificate (Distinguished Name screens name) automatically, and returns according to certain rule and to be used for carrying out the signatory registration code of inter-bank to another bank of family;
4. signatory system of bank accepts the registration code that the user submits to;
5. the bank client end is submitted the request of obtaining corresponding DN according to registration code to the registration declaration system;
6. after registering declaration system and judging that it effectively, return user's DN information.
Target that the present invention reaches and beneficial effect:
1. support personal digital certificate and mathematic for business certificate;
2. support digital certificate user to carry out the general application of inter-bank;
3. support the general user inquiring registration code of application digital certificate inter-bank, and the operator of bank inquires about DN and inter-bank CAMEL-Subscription-Information;
4. support bank that one's own profession user's CAMEL-Subscription-Information is safeguarded;
5. support being connected by special line or public network and system.
Through retrieval, domestic also do not have similar techniques at present.
Description of drawings
Fig. 1 is the general registration declaration system of digital certificate inter-bank of the present invention general frame figure.
Fig. 2 is the process flow diagram of the general systems approach of digital certificate cross-bank of the present invention.
Fig. 3 is the general registration declaration system of a digital certificate inter-bank of the present invention digital certificate user side processing flow chart.
Fig. 4 is the general registration declaration system of a digital certificate inter-bank of the present invention bank end processing flow chart.
Fig. 5 is the general registration declaration system of a digital certificate inter-bank of the present invention module composition diagram.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Fig. 1 is the general registration declaration system of a digital certificate inter-bank of the present invention general frame, comprise the interface between that general registration declaration system of digital certificate inter-bank and software are realized and banking system, specifically form by database, application server, Web server, fire wall, router, private network or public network, digital certificate subscription client and bank client end.Digital certificate subscription client and bank client end are got in touch by private network or public network and the general registration declaration system of digital certificate inter-bank.The general registration declaration system of digital certificate inter-bank will be based on the three-decker of Web server+application server+database server.User, the operator of bank are connected with the general registration declaration system of digital certificate inter-bank by setting up SSL (security socket layer) escape way; The server of bank's end directly is connected with application server.On network structure, the user is by the general registration declaration system of Internet visit digital certificate inter-bank; The operator of bank can be according to the actual conditions of each row, by Internet or the general registration declaration system of private network visit digital certificate inter-bank.
When Web bank's user applies digital certificate inter-bank is general, at first need to use in the application of bank of a certain family, the digital certificate of being signed and issued by certification authority (CA) signs in in the registration declaration system of CA, obtains registration code; The user holds relevant certificate again and contracts with the outlet of this registration code to another bank of family, after bank's audit is passed through, registration code is uploaded to the registration declaration system, obtains digital certificate DN and retention simultaneously from the registration declaration system.The user only need hold this digital certificate and just can use in the middle of the Web bank of this two tame bank simultaneously afterwards.
Fig. 2 is the general systems approach of digital certificate cross-bank of the present invention, and step is as follows:
1. the general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that the digital certificate subscription client proposes;
2. the general registration declaration system of digital certificate inter-bank is verified the validity of user's existing digit certificate;
3. system extracts the DN in the customer digital certificate automatically, and returns according to certain rule and to be used for carrying out the signatory registration code of inter-bank to another bank of family;
4. signatory system of bank accepts the registration code that the user submits to;
5. the bank client end is submitted the request of obtaining corresponding DN according to registration code to the registration declaration system;
6. after registering declaration system and judging that it effectively, return user's DN information.
Fig. 3 is the general registration declaration system of a digital certificate inter-bank of the present invention digital certificate user side treatment scheme.Digital certificate user side treatment scheme, its concrete steps are as follows:
(1) user proposes the inter-bank application
The general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that the user proposes, the prerequisite of application needs the user to provide own to apply in bank of a certain family, by the digital certificate that CA signs and issues, this digital certificate is the necessary condition that the user enters the registration declaration system.The user holds the digital certificate registration declaration system that this digital certificate can be logined CA, the beginning subsequent operation.
(2) system verification digital certificate validity
The registration declaration system receives after user's the application, needs identification and authenticity, the validity of verifying the digital certificate user identity.Checking digital certificate validity comprises following 5 steps:
1) digital signature data of checking customer digital certificate generation;
2) validity of checking customer digital certificate is traced back to root CA digital certificate;
3) term of validity of judgement digital certificate;
4) inquiry CRL (Certificate Revocation List, digital certificate revocation list), whether the check dight certificate is cancelled;
5) inquiry ARL (CA revocation list) checks whether the CA digital certificate is cancelled.
(3) system extracts user's DN
System comes DN in the invoke user digital certificate by one section command language in the program.Because sign and issue the CA of digital certificate the DN standard of oneself is arranged, so will judge whether conformance with standard of this DN.If meet, further judge again this DN in other words this digital certificate whether signed, that is to say that this DN has had corresponding registration code to exist, if having corresponding registration code to exist then prove that this digital certificate is signatory, if there is not system to generate corresponding registration code.
(4) system generates registration code
System generates unique, as can not to repeat with original registration code information in a database coding according to this DN, as user's registration code.
(5) return registration code
System returns to the user with this registration code by user interface.
Fig. 4 is the general registration declaration system of a digital certificate inter-bank of the present invention bank end treatment scheme.Its step is as follows:
Bank's end treatment scheme
(1) user submits registration code to bank
After the user obtains registration code, can hold relevant certificate and this registration code and contract to the outlet of another bank of family, it is general that the digital certificate inter-bank is carried out in requirement.
(2) bank submits request to the registration declaration system
The registration code that the operator of bank submits to according to the user, the registration declaration system of login CA is submitted request to, requires inquiry and the corresponding customer digital certificate DN of registration code.
(3) the corresponding DN of registration declaration system inquiry
After the registration declaration system received the registration code of bank's submission, whether inquiry had DN corresponding with it in database.If the customer digital certificate DN that then returns corresponding to this registration code is arranged; If do not inquire corresponding DN in database, then expired the or user of the registration code the registration code wrong or user of explanation input never carried out registration.
(4) return DN
The registration declaration system returns the DN information that inquires to bank's end.
Fig. 5 is that the general registration declaration system of digital certificate inter-bank of the present invention module is formed.Comprise: user side subsystem and bank's terminal system.
(1) user side subsystem
The digital certificate inter-bank that the mainly responsible final user of processing of user side subsystem carries out is registered and is declared operation, comprises registration code generation module, registration code maintenance module, registration code enquiry module, CAMEL-Subscription-Information enquiry module.
I) registration code generation module:
● function: be used for the extraction of customer digital certificate DN, the generation of registration code, and registration code and DN stored in the database.
● describe: whether the checking digital certificate is effective, if effectively then the DN value in its digital certificate is taken out.Because DN has certain standard, so judge whether conformance with standard of this DN, if meet, further judge again this DN in other words this digital certificate whether signed, that is to say that this DN has had corresponding registration code to exist, if having corresponding registration code to exist then prove that this digital certificate is signatory, if there is not system to generate new registration code automatically, and will be put in the database after this registration code and the DN correspondence, simultaneously registration code being returned to the user, the user obtains registration code.
Ii) registration code maintenance module
● function: be used for the management of registration code and DN table, the registration code that periodic cleaning is expired.Support is carried out online management by browser.
● describe: because after the registration code application term of validity is arranged all, if this registration code is not contracted to bank before the deadline, this registration code will cease to be in force automatically so, becomes expired registration code.If the contracted user nullifies digital certificate, system will cancel the binding relationship of DN and registration code so, and will bind record and delete from database.
Iii) registration code enquiry module:
● function: be used for the extraction of customer digital certificate DN, for the user provides the interface based on the registration code of customer digital certificate DN inquiry oneself by Internet.
Iv) CAMEL-Subscription-Information enquiry module:
Be used for the extraction of customer digital certificate DN, for the user provides the interface based on customer digital certificate DN inquiring user and each bank's CAMEL-Subscription-Information by Internet.
(2) bank's terminal system
Bank's terminal system mainly is responsible for the attended operation of process user CAMEL-Subscription-Information, and these operations comprise inquiry, interpolation and the deletion of CAMEL-Subscription-Information.
I) information inquiry module: comprise based on registration code inquiring user DN and CAMEL-Subscription-Information with based on User DN inquiry CAMEL-Subscription-Information two parts.
Ii) maintenance of information module: the CAMEL-Subscription-Information to the user is added, the module of deletion action.

Claims (10)

1, a kind of system that realizes that the digital certificate cross-bank is general, comprise the interface between that general registration declaration system of digital certificate inter-bank and software are realized and banking system, specifically form by database, application server, Web server, router, private network or public network, client.
2, the general system of realization digital certificate cross-bank according to claim 1 is characterized in that, the general registration declaration system of digital certificate inter-bank comprises: user side subsystem and bank's terminal system
(1) user side subsystem
The digital certificate inter-bank that the mainly responsible final user of processing of user side subsystem carries out is registered and is declared operation, comprises registration code generation module, registration code maintenance module, registration code enquiry module, CAMEL-Subscription-Information enquiry module
I) registration code generation module:
● be used for the extraction of customer digital certificate DN, the generation of registration code, and registration code and DN stored in the database;
● whether the checking digital certificate is effective, if effectively then the DN value in its digital certificate is taken out, judge whether conformance with standard of this DN, if meet, further judge again this DN in other words this digital certificate whether signed, that is to say that this DN has had corresponding registration code to exist, if have corresponding registration code to exist then prove that this digital certificate is signatory, if there is not system to generate new registration code automatically, and will be put in the database after this registration code and the DN correspondence, simultaneously registration code is returned to the user, the user obtains registration code;
Ii) registration code maintenance module
● be used for the management of registration code and DN table, the registration code that periodic cleaning is expired is supported to carry out online management by browser;
● because after the registration code application term of validity is arranged all, if this registration code is not contracted to bank before the deadline, this registration code will cease to be in force automatically, become expired registration code, if the contracted user nullifies digital certificate, system will cancel the binding relationship of DN and registration code, and will bind record and delete from database;
Iii) registration code enquiry module:
Be used for the extraction of customer digital certificate DN, for the user provides the interface based on the registration code of customer digital certificate DN inquiry oneself by Internet;
Iv) CAMEL-Subscription-Information enquiry module:
Be used for the extraction of customer digital certificate DN, for the user provides the interface based on customer digital certificate DN inquiring user and each bank's CAMEL-Subscription-Information by Internet;
(2) bank's terminal system
Bank's terminal system mainly is responsible for the attended operation of process user CAMEL-Subscription-Information, and these operations comprise inquiry, interpolation and the deletion of CAMEL-Subscription-Information
I) information inquiry module: comprise based on registration code inquiring user DN and CAMEL-Subscription-Information with based on User DN inquiry CAMEL-Subscription-Information two parts;
Ii) maintenance of information module: the CAMEL-Subscription-Information to the user is added, the module of deletion action.
3, the general system of realization digital certificate cross-bank according to claim 1 is characterized in that, described application server can according to the DN in user's existing digit certificate generate one unique, unduplicated coding, i.e. registration code.
4, the general system of realization digital certificate cross-bank according to claim 1 is characterized in that, described client comprises the client of digital certificate user capture digital certificate registration declaration system and the client of bank's visit registration declaration system.
5, the general system of realization digital certificate cross-bank according to claim 4, it is characterized in that, when described digital certificate user registers declaration system by private client software or browser access, the method of using the existing digital certificate to carry out digital signature realizes the authentication to user identity, and the generation session key is realized the encrypted transmission of user side and server end data, obtain simultaneously and be used to register the coding of declaring, i.e. registration code.
6, the general system of realization digital certificate cross-bank according to claim 4 is characterized in that described bank client end extracts the DN of the customer digital certificate corresponding with registration code according to user's registration code.
7, the signatory method of a kind of customer digital certificate inter-bank may further comprise the steps:
1. the general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that subscription client proposes;
2. the general registration declaration system of digital certificate inter-bank is verified the validity of user's existing digit certificate;
3. system extracts the DN in the customer digital certificate automatically, and returns according to certain rule and to be used for carrying out the signatory registration code of inter-bank to another bank of family;
4. signatory system of bank accepts the registration code that the user submits to;
5. the bank client end is submitted the request of obtaining corresponding DN according to registration code to the registration declaration system;
6. after registering declaration system and judging that it effectively, return the DN information of customer digital certificate.
8, the signatory method of customer digital certificate inter-bank according to claim 7 is characterized in that, the step 1. general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that subscription client proposes; Concrete steps are as follows:
(1) user proposes the inter-bank application
The general registration declaration system of digital certificate inter-bank is accepted the general application of inter-bank that the user proposes, the prerequisite of application needs the user to provide own to apply in bank of a certain family, the digital certificate of signing and issuing by CA, this digital certificate is the necessary condition that the user enters the registration declaration system, the user holds the digital certificate registration declaration system that this digital certificate can be logined CA, the beginning subsequent operation;
(2) system verification digital certificate validity
The registration declaration system receives after user's the application, needs identification and checking digital certificate
The authenticity of user identity, validity, checking digital certificate validity;
(3) system extracts user's DN
System comes DN in the invoke user digital certificate by one section command language in the program, because sign and issue the CA of digital certificate the DN standard of oneself is arranged, so judge whether conformance with standard of this DN, if meet, further judge again this DN in other words this digital certificate whether signed, that is to say that this DN has had corresponding registration code to exist, if having corresponding registration code to exist then prove that this digital certificate is signatory, if there is not system to generate corresponding registration code;
(4) system generates registration code
System generates unique, as can not to repeat with original registration code information in a database coding according to this DN, as user's registration code;
(5) return registration code
System returns to the user with this registration code by user interface.
9, the signatory method of customer digital certificate inter-bank according to claim 7 is characterized in that step is system verification digital certificate validity 2., comprises following 5 steps:
1) digital signature data of checking customer digital certificate generation;
2) validity of checking customer digital certificate is traced back to root CA digital certificate;
3) term of validity of judgement digital certificate;
4) inquiry CRL, whether the check dight certificate is cancelled;
5) inquiry ARL checks whether the CA digital certificate is cancelled.
10, the signatory method of customer digital certificate inter-bank according to claim 7 is characterized in that, step 5. bank client end is submitted the request of obtaining corresponding DN according to registration code to the registration declaration system, and concrete steps are as follows:
(1) user submits registration code to bank
After the user obtains registration code, can hold relevant certificate and this registration code and contract to the outlet of another bank of family, it is general that the digital certificate inter-bank is carried out in requirement;
(2) bank submits request to the registration declaration system
The registration code that the operator of bank submits to according to the user, the registration declaration system of login CA is submitted request to, requires inquiry and the corresponding customer digital certificate DN of registration code;
(3) the corresponding DN of registration declaration system inquiry
After the registration declaration system received the registration code of bank's submission, whether inquiry had DN corresponding with it in database, if the customer digital certificate DN that then returns corresponding to this registration code is arranged; If do not inquire corresponding DN in database, then expired the or user of the registration code the registration code wrong or user of explanation input never carried out registration;
(4) return DN
The registration declaration system returns the DN information that inquires to bank's end.
CNA200610144264XA 2006-11-30 2006-11-30 System for implementing inter-bank use of digital certificates and method therefor Pending CN1996371A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN1996371A true CN1996371A (en) 2007-07-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873333A (en) * 2010-07-09 2010-10-27 中国工商银行股份有限公司 Enterprise data maintenance method, device and system based on banking system
CN106559219A (en) * 2015-09-29 2017-04-05 卓望数码技术(深圳)有限公司 A kind of digital signature method and system and its intelligent terminal and operation system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873333A (en) * 2010-07-09 2010-10-27 中国工商银行股份有限公司 Enterprise data maintenance method, device and system based on banking system
CN101873333B (en) * 2010-07-09 2013-08-07 中国工商银行股份有限公司 Enterprise data maintenance method, device and system based on banking system
CN106559219A (en) * 2015-09-29 2017-04-05 卓望数码技术(深圳)有限公司 A kind of digital signature method and system and its intelligent terminal and operation system
CN106559219B (en) * 2015-09-29 2019-05-10 卓望数码技术(深圳)有限公司 A kind of digital signature method and system and its intelligent terminal and operation system

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Open date: 20070711