CN103580868A - Secure transmission method of electronic official document secure transmission system - Google Patents

Secure transmission method of electronic official document secure transmission system Download PDF

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Publication number
CN103580868A
CN103580868A CN201310383878.3A CN201310383878A CN103580868A CN 103580868 A CN103580868 A CN 103580868A CN 201310383878 A CN201310383878 A CN 201310383878A CN 103580868 A CN103580868 A CN 103580868A
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China
Prior art keywords
official document
electronic
transmission
transmission system
official
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CN201310383878.3A
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Chinese (zh)
Inventor
林莉莉
周晟
伍刚
付婷
林敏�
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State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310383878.3A priority Critical patent/CN103580868A/en
Publication of CN103580868A publication Critical patent/CN103580868A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a secure transmission method of an electronic official document secure transmission system. The method includes the following steps that a client side logs into a cooperative office system, registers office documents, stamps the office documents, and then adds digital signatures and transmits the office documents, and signature information is reserved in the system; transmission from the client side to a server side is protected through HTTPS dual-direction encryption digital certificates, and the server side and the client side consult with each other on a master cryptography key for encrypting and decrypting after the validity of the digital certificates of the client side is verified by the server side; after being packaged through a digital envelope at the server side, the office documents of which commercial codes are superior to third-level commercial codes are signed for by a receiving unit in a digital mode, and the digital envelope is downloaded and is uncovered through a unit private key; the client side is directly connected with an electronic official seal system in an HTTPS mode to control the number of printed electronic files of the client side. The electronic official document secure transmission system and method meet needs for outgoing messages of units, guarantee seriousness, normalization and transmission safety of the official documents, shorten internal message transmission cycles, reduce waste of manpower resources and achieve interconnection and interworking of all kinds of data of internal office networks and resource sharing.

Description

A kind of safe transmission method of electronic government documents secure transmission system
Technical field
The present invention relates to a kind of safe transmission method of electronic government documents secure transmission system, be applied to electronic document information and transmit.
Background technology
Electronic seal is applied on e-file, with traditional handwritten signature, affixing one's seal has the technology of identical function.Had electronic seal, any information can be transmitted with the form of e-file by network relievedly.The main demand Shi Congyige unit safety of electronic government documents transmission electronic government documents is transferred to another one or a plurality of unit, and can be from synergetic office work system direct generation official document, after reading, carry out official document transmission.The main business of official document transmission comprises: official document turns that version, official document registration, official document are checked, official document is affixed one's seal, official document sends, official document is reissued, official document reclaims, official document is pressed, official document monitor, receives/receipt of official document, official document turn do, official document is printed, official document download, official document deletion, official document are inquired about, official document is added up.Requirement realizes official document sending and receiving in real time, and meanwhile, system needs and electronic seal system, electronics layout files, ca authentication center/encryption equipment carry out effective combination, to ensure fail safe and the convenience of electronic government documents in transport process.
Summary of the invention
The object of the present invention is to provide a kind of safe transmission method of electronic government documents secure transmission system; the method possesses versatility; possess that document format is unified, document display effect unified, document exchanges automatically, official document can not be changed, official document electronic-seal feature; adopt international advanced digital copyright protection technology simultaneously; multiple encryption algorithms can very good resolution system transmittance process safety problem; make system reach light grasp, the convenient effect of using.
Technical program of the present invention lies in: a kind of safe transmission method of electronic government documents secure transmission system, is characterized in that: comprise electronic government documents transmission system, electronic seal system, certificate server, electronics layout files, HTTPS, UKey; It carries out as follows:
1) client is logined electronic government documents transmission system by UKey, and registers the official document of electronics layout files, and by affix one's seal laggard row digital signature send of electronic seal system, system retains signing messages;
2) client adopts the protection of HTTPS bidirectional encipher digital certificate to service end transmission, and after server end checking client digital certificate legitimacy, both sides consult master key encryption and decryption;
3) the close three grades of above official documents of business carry out digital envelope encapsulation Hou,You recruiting unit numeral at server end and sign for, and download digital envelope, and untie digital envelope by unit private key;
4) the electronics format file printout umber of client is controlled by the direct HTTPS connecting electronic of client official seal system.
Wherein, described electronic government documents transmission system provides basic transmission operation interface and service, and user's direct control electronic government documents transmission system carries out daily official document transmitting-receiving and turn doing core business.
Described electronic seal system provide electronic seal distribution, affix one's seal, verify, print control function, guarantee to transmit fail safe and the validity of official document.
Described electronics layout files comprises that layout files generates software, layout files ocr software; Described layout files generates software Word is provided, and the common document of WPS, PDF is converted to the layout files function of consolidation form, and provides support with security control for layout files is affixed one's seal, information is deposited.
Described certificate server provides unified safety certification infrastructure component based on PKI system, credential distribution is provided, authenticates, revoke infrastructure service function.
Described HTTPS provides encrypted data transmission scheme end to end on the basis of certificate, and the digital envelope mode that completes data in conjunction with symmetric cryptography by certificate server transmits.
Described UKey storage user's private information comprises X.509V3 certificate, identity information, official seal information, other information, and user can select the UKey with bio-identification function fully to guarantee the safety that UKey is used.
The invention has the advantages that:
The present invention has guaranteed the safe, reliable, efficient, practical of official document transmission, selects specific safe transmission technology as SSL encryption tunnel ,CA center, UKey and encryption equipment, and choose reasonable ensures the transmitting procedure safety of official document; That realizes Cong Yige unit's safety is transferred to electronic government documents another one or a plurality of unit, and can from synergetic office work system, directly produce official document, carries out official document transmission after reading; The needs of composing a piece of writing between guarantor unit, the seriousness of assurance official document, the fail safe of standardization and transmission, shortens the cycle that internal information is transmitted, and reduces waste of human resource, realizes various data interconnection intercommunications, the resource-sharing of internal office work network.
Accompanying drawing explanation
Fig. 1 is depicted as electronic government documents transport service flow process figure of the present invention.
Fig. 2 is depicted as electronic government documents transport service flow process figure in synergetic office work system of the present invention.
Fig. 3 is depicted as system of the present invention and forms schematic diagram.
Fig. 4 is depicted as thought of design of the present invention.
Fig. 5 is depicted as official document transmission principle figure of the present invention.
Fig. 6 is depicted as triple official document efficient public security system of the present invention.
Fig. 7 is depicted as official document of the present invention and signs for anti-repudiation.
Fig. 8 is depicted as secret official document encapsulation/opening procedure of the present invention.
Fig. 9 is depicted as the safe schematic diagram of official document physical store of the present invention.
Figure 10 is depicted as overall official document safe transmission schematic diagram of the present invention.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
Referring to figs. 1 to Figure 10, the present invention relates to a kind of safe transmission method of electronic government documents secure transmission system, it is characterized in that: comprise electronic government documents transmission system, electronic seal system, certificate server, electronics layout files, HTTPS, UKey; It carries out as follows:
1) client is logined electronic government documents transmission system by UKey, and registers the official document of electronics layout files, and by affix one's seal laggard row digital signature send of electronic seal system, system retains signing messages;
2) client adopts the protection of HTTPS bidirectional encipher digital certificate to service end transmission, and after server end checking client digital certificate legitimacy, both sides consult master key encryption and decryption;
3) the close three grades of above official documents of business carry out digital envelope encapsulation Hou,You recruiting unit numeral at server end and sign for, and download digital envelope, and untie digital envelope by unit private key;
4) the electronics format file printout umber of client is controlled by the direct HTTPS connecting electronic of client official seal system.
Above-mentioned electronic government documents transmission system provides basic transmission operation interface and service, and user's direct control electronic government documents transmission system carries out daily official document transmitting-receiving and turn doing core business.
Above-mentioned electronic seal system provide electronic seal distribution, affix one's seal, verify, print control function, guarantee to transmit fail safe and the validity of official document.
Above-mentioned electronics layout files comprises that layout files generates software, layout files ocr software; Described layout files generates software Word is provided, and the common document of WPS, PDF is converted to the layout files function of consolidation form, and provides support with security control for layout files is affixed one's seal, information is deposited.
Above-mentioned certificate server provides unified safety certification infrastructure component based on PKI system, credential distribution is provided, authenticates, revoke infrastructure service function.
Above-mentioned HTTPS provides encrypted data transmission scheme end to end on the basis of certificate, and the digital envelope mode that completes data in conjunction with symmetric cryptography by certificate server transmits.
Above-mentioned UKey storage user's private information comprises X.509V3 certificate, identity information, official seal information, other information, and user can select the UKey with bio-identification function fully to guarantee the safety that UKey is used.
Specific implementation process:
The feature of official document transmission has determined its importance to safety, according to national hierarchical protection require from safety management system, application safety, Transport Layer Security, IP Security, physical layer safely etc. aspect ensure the safety of official document transmission.According to general office of State Grid Corporation of China to the safe requirement of composing a piece of writing, regulation in conjunction with State Grid Corporation of China's information security laboratory to enterprise information security, the transmission requirement of the close three grades of above official documents of business reaches the management expectancy of country to the close transmission of business, and must to be that state is close do appointment for the algorithm using and safety product.
The main design idea of region official document transmission center is centered by specific region, to set up region official document transmission center, and received official document unit carries out the upload and download of official document by logining synergetic office work system or document transmission system.Region official document transmission center is safeguarded the list of Yi Ge unit, and this list is the list of official document networking transmission unit to be selected, and it has identified official document can send to scope.Centered by general headquarters' region document transmission system, general headquarters' official document transmission center has been deposited between general headquarters' internal unit, general headquarters and each net is economized, networking transmission document information of each net between economizing, in the situation that system allows, between regional center constituent parts, carry out arbitrarily the transmission of official document.
The safe transmission control aspect of official document, the X.509V3 certificate that constituent parts is issued by certificate server writes UKey, and transmitting procedure completes the dual encryption and decryption of data envelope of symmetric key by certificate effect, fully ensure the safety of transmitting procedure.Official document exchange overall process adopts the transmission of SSL security gateway, user need to insert UKey input access to your password and carry out bio-identification after access system carry out the networking transmission of official document.The major technique that official document safe transmission is used has J2SE5.0 Technical Architecture; WebLogic9.2 middleware platform; Visual C++7.0 writes and uploads download ActiveX control; Oracle10g stores service; IE6+; Do not use open source software, independent research form customization platform; PKI security system.
Official document safe transmission adopts triple official document efficient public security systems.First heavily ensures, all official document transmission informations comprise that control information all adopts HTTPS bidirectional encipher mode, between server, adopt digital certificate protection between server client; Second heavily ensures, the protection of client numeral signature is all passed through in signing and issuing, signing for of all document informations, has non repudiation, and client can not deny its operation validity; Triple guarantees, the official document of the close secondary of business and above level of confidentiality all adopts digital envelope encapsulation, and recruiting unit must be with checking after digital certificate and private key deciphering, high strength encrypting safety.
Most preferred embodiment:
The main demand of electronic government documents transmission
The main demand Shi Congyige unit safety of electronic government documents transmission electronic government documents is transferred to another one or a plurality of unit, and can be from synergetic office work system direct generation official document, after reading, carry out official document transmission.The main business that can see official document transmission in Fig. 1 and Fig. 2 comprises: official document turns that version, official document registration, official document are checked, official document is affixed one's seal, official document sends, official document is reissued, official document reclaims, official document is pressed, official document monitor, receives/receipt of official document, official document turn do, official document is printed, official document download, official document deletion, official document are inquired about, official document is added up.Realize official document sending and receiving in real time, system needs and electronic seal system, electronics layout files, ca authentication center/encryption equipment carry out effective combination, to ensure fail safe and the convenience of electronic government documents in transport process simultaneously.
Electronic government documents secure transmission system forms
In Fig. 3, can see that system forms take electronic government documents transmission system as core, and infrastructure service, business function and safe transmission service are provided, and system in combination forms electronic government documents secure transmission system together.Platform mainly contains
Electronic government documents transmission system
Basic transmission operation interface and service is provided, and user's direct control electronic government documents transmission system carries out daily official document transmitting-receiving and turns doing core business.
Electronic seal system
Provide electronic seal distribution, affix one's seal, verify, print control function, guarantee to transmit fail safe and the validity of official document.
Electronics layout files
Layout files generates software
Word is provided, and the common document of WPS, PDF is converted to the layout files function of consolidation form, and provides support with security control for layout files is affixed one's seal, information is deposited.
Layout files ocr software
Certificate server
Based on PKI system, provide unified safety certification infrastructure component, credential distribution is provided, authenticates, revoke infrastructure service function.
HTTPS
Encrypted data transmission scheme is end to end provided on the basis of certificate, and the digital envelope mode that completes data in conjunction with symmetric cryptography by certificate server transmits.
Encryption equipment
System encryption algorithm requires to select the close commercial cipher standard SCB2 cryptographic algorithm of doing appointment of state.
UKey
Storage user's private information comprises X.509V3 certificate, identity information, official seal information, other information.User can select the UKey with bio-identification function fully to guarantee the safety that UKey is used.
Official document transmission center
In Fig. 4, the main design idea of display area official document transmission center is centered by specific region, to set up region official document transmission center, and received official document unit carries out the upload and download of official document by logining synergetic office work system or document transmission system.
In Fig. 5, the official document of system transmission thinking is mainly centralized official document transmission, basic principle is centered by a certain specific region, to dispose a set of electronic government documents secure transmission system, the synergetic office work system that constituent parts is directly logined document transmission system or login our unit carry out official document registration, affix one's seal, send, monitor, reception business.Constituent parts synergetic office work system is called sending and receiving and the monitoring function that electronic government documents secure transmission system interface carries out official document.Official document transmit operation flow process is as follows:
User logins synergetic office work system or electronic government documents secure transmission system;
User uploads official document to synergetic office work system or electronic government documents secure transmission system;
Synergetic office work login user obtains official document transmission summary info to electronic government documents transmission center;
Synergetic office work system to be received receives official document request and starts to carry out official document transmission (download);
Transmit completely, user carries out official document operation (check, delete, print).
Triple official document efficient public security systems
In Fig. 6, official document safe transmission adopts triple official document efficient public security systems.First heavily ensures, all official document transmission informations comprise that control information all adopts HTTPS bidirectional encipher mode, between server, adopt digital certificate protection between server client; Second heavily ensures, the protection of client numeral signature is all passed through in signing and issuing, signing for of all document informations, has non repudiation, and client can not deny its operation validity; Triple guarantees, the official document of the close secondary of business and above level of confidentiality all adopts digital envelope encapsulation, and recruiting unit must be with checking after digital certificate and private key deciphering, high strength encrypting safety.
Certificate server function
The responsibility of certificate server: issue certificate and private key to user/server/unit; X.509V3 the meaning of each field attribute in:
Version number: X.509V3
Sequence number: unique integer of identity certificate
Signature: for the algorithm sign of visa book, the object identifier of SHA-1 and RSA is just used for illustrating that this digital signature is to utilize RSA to encrypt SHA-1 hash
Issuer: certificate authority person's distinguished name (DN)
The term of validity: the time period of validity period of certificate
Main body: user ID, Email
Main body public key information: the PKI of main body and algorithm identifier;
Type: personal identification certificate, unit letter of identity, server certificate, gateway letter of identity
Issuer UID: certificate authority person's unique identifier
Main body UID: certificate owner's unique identifier
Issue DT server certificate, when OA server certificate and client certificate, use certificate server.
The function of the Export server certificate at system manager's configuration information interface uses certificate related content.
Digital signature technology-official document is signed and issued and is signed for anti-repudiation, referring to Fig. 7
Official document sign for employing digital signature technology, confirm that recipient's identity also prevents from signing for denial:
Document transmission system realizes official document by digital signature technology and signs and issues the non repudiation of signing for official document:
The key element that official document is signed and issued comprises transmission official document HASH; Sign and issue time, the unit of signing and issuing, signed by, sign and issue timestamp;
Sign for the key element comprising and comprise a reception official document HASH; Sign for civilian receipt bar; Recipient; The unit of signing for; Sign civilian timestamp;
Above information is carried out after digital signature, be stored in transmission system and sign in record, sign and issue from now on, sign for denial sign test, Nonrepudition;
The safe transmission of Digital Envelope Technology-secret official document
The user who opens official document envelope for the optional employing Digital Envelope Technology of safe transmission of secret official document with assurance with reference to Fig. 8 is the unit through certificate server mandate:
Wait to send out official document and produce digital envelope by the PKI in unit certificate:
By HTTPS encrypted transmission, wait to send out official document;
By synergetic office work system storage official document envelope (interface transfer);
By Web client call, ActiveX unties digital envelope;
In the transmission of digital envelope official document, official document transmit leg adopts symmetric key to encrypt official document, then this symmetric key is encrypted after (this part claims digital envelope) with recipient's public-key cryptography, it is sent to recipient with together with official document after encrypting, recipient first opens digital envelope with corresponding private cipher key and obtains symmetric key, then uses symmetric key to untie encryption official document.Digital envelope mainly comprises that digital envelope is packed and digital envelope is disassembled, and digital envelope packing is the process of using the other side's PKI that encryption key is encrypted, only has the other side's private key the data (communication key) after encrypting could be reduced; It is to use private key by the process of the data deciphering of encrypting that digital envelope is disassembled.
The function class of digital envelope is similar to ordinary envelope capable, the content that ordinary envelope capable guarantees to only have receiver could read letter under the constraint of law, and digital envelope adopts cryptographic technique to guarantee to only have the content that the recipient of regulation could reading information.DSE arithmetic and public-key cryptosystem in digital envelope, have been adopted.First information transmitter utilizes the symmetric password encryption information of random generation, and recycling recipient's public key encryption symmetric cryptography, is referred to as digital envelope by the symmetric cryptography after public key encryption.When transmission of information, if official document recipient wants decryption information, must first with the private key deciphering digital envelope of oneself, obtain symmetric cryptography, could utilize symmetric cryptography to decipher resulting information.So just guaranteed the authenticity and integrity of official document transmission.
UKey function
In order to cross, carry out official document transmission, just the sending and receiving unit of official document must apply for logining the transmitting-receiving that electronic government documents transmission system is carried out official document after UKey, the process of user's application and use UKey is as follows:
User account number/password application (unified directory)
To certificate management person, submit applying digital certificate to;
To official seal management apparatus structure, submit official seal request for utilization (needing digital certificate) to;
Make and distribute UKey, writing digital certificate, private key and official seal data;
Revise Ukey and use initial password;
Insert UKey login document transmission system, use official document transfer function.
Server data stores safety
Take into full account the safety of server secret data system storage, 9 pairs of following confidential datas of accompanying drawing are encrypted protection:
User cipher: adopt one-way Hash algorithm storage (MD5, SHA1);
Official document and annex: the fail safe of official document and annex storage is deposited cipher-text information at shared file storage area by server hardware cryptographic algorithm (official document transmission center encryption equipment) encipherment protection, be decrypted transmission (can reduce server performance according to data processing amount size) to file when user receives official document;
Sign and issue information, sign for receipt: (official document HASH, operation user, server time stamp) adopts the encapsulation of signing of PKCS#7 standard; Sending, reissue, sign in functional module and with UKey, user profile is signed.
The global safety flow process of official document safe transmission is:
Client login synergetic office work system registration official document, the laggard row digital signature of affixing one's seal also sends, and system retains signing messages;
Client adopts the protection of HTTPS bidirectional encipher digital certificate to service end transmission, and after server end checking client digital certificate legitimacy, both sides consult master key encryption and decryption;
The close three grades of above official documents of business carry out digital envelope encapsulation Hou,You recruiting unit numeral at server end to be signed for, and downloads digital envelope, and unties digital envelope by unit private key;
The electronics format file printout umber of client is controlled by the direct HTTPS connecting electronic of client official seal system.
Detailed flow process with reference to accompanying drawing 10 official document safe transmission is as follows:
Client is signed and issued and is adopted SHA1_RSA digital signature;
Server HTTPS encrypted transmission adopts server certificate bidirectional protective;
Server connects certificate server effect certificate OSCP/CRL;
Server numeral envelope encapsulation (business close three grades and more than) adopts close the doing of state to specify the close cryptographic algorithm SCB2 of business, digital envelope encapsulation;
Client is signed for and is adopted SHA1_RSA digital signature;
Client is taken digital envelope (business close three grades and more than) apart.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (1)

1. a safe transmission method for electronic government documents secure transmission system, is characterized in that: comprise electronic government documents transmission system, electronic seal system, certificate server, electronics layout files, HTTPS, UKey; It carries out as follows:
1) client is logined electronic government documents transmission system by UKey, and registers the official document of electronics layout files, and by affix one's seal laggard row digital signature send of electronic seal system, system retains signing messages;
2) client adopts the protection of HTTPS bidirectional encipher digital certificate to service end transmission, and after server end checking client digital certificate legitimacy, both sides consult master key encryption and decryption;
3) the close three grades of above official documents of business carry out digital envelope encapsulation Hou,You recruiting unit numeral at server end and sign for, and download digital envelope, and untie digital envelope by unit private key;
4) the electronics format file printout umber of client is controlled by the direct HTTPS connecting electronic of client official seal system.
2, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, it is characterized in that: described electronic government documents transmission system provides basic transmission operation interface and service, user's direct control electronic government documents transmission system carries out daily official document transmitting-receiving and turns doing core business.
3, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, it is characterized in that: described electronic seal system provide electronic seal distribution, affix one's seal, verify, print control function, guarantee to transmit fail safe and the validity of official document.
4, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, is characterized in that: described electronics layout files comprises that layout files generates software, layout files ocr software; Described layout files generates software Word is provided, and the common document of WPS, PDF is converted to the layout files function of consolidation form, and provides support with security control for layout files is affixed one's seal, information is deposited.
5, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, it is characterized in that: described certificate server provides unified safety certification infrastructure component based on PKI system, credential distribution is provided, authenticates, revoke infrastructure service function.
6, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, it is characterized in that: described HTTPS provides encrypted data transmission scheme end to end on the basis of certificate, the digital envelope mode that completes data in conjunction with symmetric cryptography by certificate server transmits.
7, the safe transmission method of a kind of electronic government documents secure transmission system according to claim 1, it is characterized in that: described UKey storage user's private information comprises X.509V3 certificate, identity information, official seal information, other information, user can select the UKey with bio-identification function fully to guarantee the safety that UKey is used.
CN201310383878.3A 2013-08-29 2013-08-29 Secure transmission method of electronic official document secure transmission system Pending CN103580868A (en)

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CN104917741A (en) * 2014-07-19 2015-09-16 国家电网公司 Cleartext-document public network safety transmission system based on USBKEY
CN104917741B (en) * 2014-07-19 2018-10-02 国家电网公司 A kind of plain text document public network secure transmission system based on USBKEY
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Application publication date: 20140212