CN101997643A - Method and system for packing electronic files - Google Patents
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- CN101997643A CN101997643A CN2009101946772A CN200910194677A CN101997643A CN 101997643 A CN101997643 A CN 101997643A CN 2009101946772 A CN2009101946772 A CN 2009101946772A CN 200910194677 A CN200910194677 A CN 200910194677A CN 101997643 A CN101997643 A CN 101997643A
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Abstract
The invention discloses a method and a system for packing electronic files. The method comprises the following steps of: at a transmitting end, converting flowing metadata into an extensive makeup language (XML) file format, storing the metadata and the related electronic files in a fixed working directory together, and performing packing, digital signature and signature locking on data files under the fixed working directory to form an initial electronic file packet comprising a file type packet and an archive type packet; and at a receiving end, modifying the file type packet and the archive type packet in the initial electronic file packet according to the archive requirement, and performing secondary packing, digital signature and signature locking on the modified packets to form a modified electronic file packet and storing the modified electronic file packet.
Description
Technical field
The present invention relates to the e-file encapsulation field, particularly a kind of method and system of e-file encapsulation.
Background technology
Encapsulation for the standard e-file, for e-file provides unified encapsulation format, guarantee the complete unification of e-file and metadata thereof, realize self-contained, the self-described of e-file and proof certainly, the software and hardware of accomplishing package file form and computer is irrelevant, be beneficial to e-file long preservation and exchange, people have proposed a series of e-file encapsulation standard.
Wherein, the e-file wrapper totally is divided into two classes: i.e. and archetype wrapper and modified form wrapper, decided by " signature object-＞wrapper type " attribute.The wrapper of each type according to the difference of packaged entity content, is divided into two kinds of file and files again in addition, by " signature object-＞encapsulated content-＞document entity-＞the set level " attribute decides.According to the change situation of e-file different sets level and encapsulated content, the e-file wrapper can be divided into file type, files type and modified form (comprising) to the modification of file type and the modification of files type.
Summary of the invention
The purpose of this invention is to provide a kind of method and system of e-file encapsulation, it can realize the encapsulation of file quickly and easily.
On the one hand, the invention provides a kind of method of e-file encapsulation, may further comprise the steps:
1.1, at transmitting terminal, according to a corresponding packing rule will turn over that the metadata that writes down in the journey is packed in data flow, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper;
1.2, at receiving terminal, receive archetype e-file wrapper that described transmitting terminal submits to and it verified that checking is changeed next step by the back;
1.3, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking according to the secondary packing rule, form modified form e-file wrapper and storage.
Described step 1.1 further may further comprise the steps:
Described transmitting terminal is converted into the XML file format with the metadata of circulation, and is stored in a steady job catalogue together with relevant e-file;
According to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
A packing rule when forming the file type wrapper in the described step 1.1 comprises:
With metadata packing, form substantially the not wrapper structure of include file data;
File content is packed with the base64 coding;
To the signature object locking that signs electronically and sign.
A packing rule when forming files type wrapper in the described step 1.1 comprises:
With metadata packing, form substantially the not wrapper structure of include file class relation;
The incidence relation of file in setting up files and rolling up;
To the signature object locking that signs electronically and sign.
Secondary packing rule when forming the modified form wrapper in the described step 1.3 comprises:
Former signature object and electronic signature piece are moved on under the former wrapper;
Packing revision metadata is under Description of Revision;
To the signature object locking that signs electronically and sign.
On the other hand, the present invention also provides a kind of package system of e-file, comprising:
Be positioned at the archetype e-file encapsulation unit of transmitting terminal, will turn over that the metadata that writes down in the journey is packed in data flow, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper;
Be positioned at the authentication unit of receiving terminal, receive the archetype e-file wrapper of described archetype e-file encapsulation unit submission and it is verified that output is by the archetype e-file wrapper of checking;
Be positioned at the modified form e-file encapsulation unit of receiving terminal, connect described authentication unit and receive the archetype e-file wrapper that passes through checking, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and storage.
Described system also comprises the metadata conversion unit, described metadata conversion unit will be converted into the XML file format in the metadata of described transmitting terminal circulation, and be stored in a steady job catalogue together with relevant e-file, described archetype e-file encapsulation unit according to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
Described archetype e-file encapsulation unit is by forming the file type wrapper with lower module:
With metadata packing, form substantially the not module of the wrapper structure of include file data;
With the module of file content with the packing of base64 coding;
To signature object sign electronically and sign the locking module.
Described archetype e-file encapsulation unit is by forming files type wrapper with lower module:
With metadata packing, form substantially the not module of the wrapper structure of include file class relation;
The module of the incidence relation of file in setting up files and rolling up;
To signature object sign electronically and sign the locking module.
Described modified form e-file wrapper comprises with lower module:
Former signature object and electronic signature piece are moved on to module under the former wrapper;
Packing revision metadata arrives the module under the Description of Revision;
To signature object sign electronically and sign the locking module.
Adopt the method and system of a kind of e-file encapsulation of the present invention, it is at first at transmitting terminal, the metadata of circulation is converted into the XML file format, and be stored in a steady job catalogue together with relevant e-file, with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper; Then at receiving terminal, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and storage.
Description of drawings
Fig. 1 is the sharing structure part schematic diagram of three types e-file wrapper;
Fig. 2 is the structural representation of file type e-file wrapper;
Fig. 3 is the structural representation of files type e-file wrapper;
Fig. 4 is the structural representation of modified form e-file wrapper;
Fig. 5 is the flow chart of the method for the invention;
Fig. 6 is the process schematic diagram of digital signature of the present invention;
Fig. 7 is the topological diagram of file type wrapper of the present invention;
Fig. 8 is the topological diagram of files type wrapper of the present invention;
Fig. 9 is the topological diagram of modified form wrapper of the present invention;
Figure 10 seals dress engine schematic diagram for e-file of the present invention;
Figure 11 is the theory diagram of package system of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
At first introduce the structure of this e-file wrapper of three types of archetype electronic packing bag, files type electronic packing bag and modified form electronic packing bag.
Referring to Fig. 1, Fig. 1 is the sharing structure part of three types e-file wrapper, and the e-file wrapper comprises wrapper metadata, signature object, electronic signature piece and a locking signaling block.The wrapper metadata has wrapper format description, version, wrapper type, wrapper type specification, wrapper creation-time and wrapper to create unit.
Referring to Fig. 2, Fig. 2 is the structural representation (removal common ground) of file type e-file wrapper, the file type wrapper can be divided into single-piece and composition file according to the difference of packaged file, in order to reduce the size of wrapper, in the file type wrapper for the document No. The data strategy of " same reference, revise backup ".The file type wrapper is modal a kind of wrapper, it includes one or more documents, this is determined by the meta data file composite type, a document package contains one or more document data, this is come corresponding by the metadata manuscript, a document data includes one or more coding, and each is encoded corresponding to a coded data, coding is the physical representation of document, just is stored in the computer documents of the various forms on the various media.
Referring to Fig. 3, Fig. 3 is the structural representation (removal common ground) of files type e-file wrapper, and what files type wrapper encapsulated is the metadata relevant with files, does not wherein comprise the All Files in the files, that is to say that files type wrapper is a shell just.
Referring to Fig. 4, Fig. 4 is the structural representation (removal common ground) of modified form e-file wrapper, pays special attention to following some difference:
1. in the modified form wrapper, " modification encapsulated content " only occur and " encapsulated content " do not occur;
2. " signature object " and " electronic signature piece " in the wrapper of last revision (may be the original package bag, also may be the modified form wrapper) arrived under the element " original package bag " by bulk migration;
3. element " Description of Revision " is identical with " encapsulated content " structure in the former wrapper;
4. what the modified form wrapper adopted is a model that is called as the onion structure.
Referring to Fig. 5, the invention provides a kind of method 100 of e-file encapsulation, may further comprise the steps:
101, the metadata with circulation is converted into the XML file format, and is stored in a steady job catalogue together with relevant e-file.
At transmitting terminal, the metadata that circulates is converted into the XML file format, and is stored in a steady job catalogue together with relevant e-file.
102, the data file under the steady job catalogue is packed, digital signature and signature locking, form archetype e-file wrapper.
According to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
103,, receive the archetype e-file wrapper of described transmitting terminal submission and it is verified that checking is changeed next step by the back at receiving terminal.
104, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment.
105, amended e-file is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and storage.
According to the secondary packing rule amended e-file is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and storage.
Referring to Fig. 6, Fig. 6 is the process schematic diagram of digital signature, is explained as follows:
1. transmit leg
The definite earlier content that will sign of transmit leg, the hash algorithm with regulation calculates its exclusive summary for the content that will sign then, and then, transmit leg changes summary into digital signature with private key.This digital signature is unique for the private key of this part information and transmit leg.
2. recipient
The recipient of electronic message calculates the summary that makes new advances by consulting the original with same hash algorithm, unties digital signature with the PKI of transmit leg again and draws summary, checks the two whether unanimity.If identical, just show that signature is real, original text was not changed.
3, the signature and the locking, can be divided into following six the step carry out:
Extract the character string of signature object part, blank character must be deleted during extraction.Blank character comprises tab (0x0009), carriage return (0x000D), line feed (0x000A) and space (0x0020);
Adopt Unicode character set hand over word string, extract the index of character string;
The user inserts computer with USB KEY, submits user account, community string index community to, and the encipher interface JNI that calls USB encrypts;
Obtain digital certificates from USB KEY;
Encrypted result and certificate are changeed Base64, be bundled to then in the signature object of e-file APMB package.
Encrypted result is signed, be bundled to together with signing certificate in the signature lock object of e-file APMB package.
As an embodiment, referring to Fig. 7, Fig. 7 is the topological diagram of file type wrapper, is learnt by topological diagram, and the encapsulation process of described file type wrapper comprises:
1,, forms substantially the not wrapper structure of include file data with metadata packing;
2, file content is packed with the base64 coding;
3, signature object is signed electronically and signs locking.
As an embodiment, referring to Fig. 8, Fig. 7 is the topological diagram of files type wrapper, is learnt by topological diagram, and the encapsulation process during described files type wrapper comprises:
1,, forms substantially the not wrapper structure of include file class relation with metadata packing;
2, set up files and the incidence relation of rolling up interior file;
3, signature object is signed electronically and signs locking.
As an embodiment, referring to Fig. 9, Fig. 9 is the topological diagram of modified form wrapper, is learnt by topological diagram, and the encapsulation process of described modified form wrapper comprises:
1, former signature object and electronic signature piece are moved on under the former wrapper;
2, packing revision metadata is under Description of Revision;
3, signature object is signed electronically and signs locking.
How introduce the method for the invention 100 below realizes:
Referring to Figure 10, described method 100 by set up an e-file seal the dress engine 110 realize, e-file is sealed dress engine 110 and is obtained metadata in order to the structure entity object and from data source, and metadata is assembled to described entity object, forms e-file wrapper and output.It is most crucial in whole encapsulation flow process assemblies that e-file is sealed dress engine 110, adopt the mode of an independent jar bag to issue, can be integrated in the above environment of all JDK1.4 and use, described e-file is sealed dress engine 110 and is further comprised following functional assembly:
Signature component 114, described signature component 114 further comprises signature blocks and authentication module, the private key that described signature blocks is used the active user carries out digital signature to the signature object of e-file wrapper, and will sign result and signing certificate are bundled to the e-file wrapper; Whether described authentication module comes the certifying signature result true by reading the PKI that is packaged in the digital certificate in the e-file wrapper.
Report assembly 115,, the later e-file wrapper of packing is sent to the predetermined area by network if network condition possesses.
Referring to Figure 11, the present invention also provides a kind of package system 200 of e-file, comprising:
Be positioned at the archetype e-file encapsulation unit 210 of transmitting terminal, will turn over that the metadata that writes down in the journey is packed in data flow, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
Be positioned at the authentication unit 220 of receiving terminal, receive the archetype e-file wrapper of described archetype e-file encapsulation unit 210 submissions and it is verified that output is by the archetype e-file wrapper of checking.
Be positioned at the modified form e-file encapsulation unit 230 of receiving terminal, connect the archetype e-file wrapper that described authentication unit 220 receives by checking, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and also be stored in the database 250.
Described system also comprises metadata conversion unit 240, described metadata conversion unit 240 will be converted into the XML file format in the metadata of described transmitting terminal circulation, and be stored in a steady job catalogue together with relevant e-file, described archetype e-file encapsulation unit 210 according to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
The same with described method 100, on specific implementation, described system 200 seals dress engine 110 and realizes by setting up an e-file.
Need to prove that method for packing 100 of the present invention and described package system 200 are basic identical or similar in principle and implementation procedure, so repeating part does not repeat them here.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (10)
1. the method for an e-file encapsulation is characterized in that, may further comprise the steps:
1.1, at transmitting terminal, according to a corresponding packing rule will turn over that the metadata that writes down in the journey is packed in data flow, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper;
1.2, at receiving terminal, receive archetype e-file wrapper that described transmitting terminal submits to and it verified that checking is changeed next step by the back;
1.3, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking according to the secondary packing rule, form modified form e-file wrapper and storage.
2. the method for claim 1 is characterized in that, described step 1.1 further may further comprise the steps:
Described transmitting terminal is converted into the XML file format with the metadata of circulation, and is stored in a steady job catalogue together with relevant e-file;
According to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
3. method as claimed in claim 1 or 2 is characterized in that, a packing rule when forming the file type wrapper in the described step 1.1 comprises:
With metadata packing, form substantially the not wrapper structure of include file data;
File content is packed with the base64 coding;
To the signature object locking that signs electronically and sign.
4. method as claimed in claim 3 is characterized in that, a packing rule when forming files type wrapper in the described step 1.1 comprises:
With metadata packing, form substantially the not wrapper structure of include file class relation;
The incidence relation of file in setting up files and rolling up;
To the signature object locking that signs electronically and sign.
5. method as claimed in claim 4 is characterized in that, the secondary packing rule when forming the modified form wrapper in the described step 1.3 comprises:
Former signature object and electronic signature piece are moved on under the former wrapper;
Packing revision metadata is under Description of Revision;
To the signature object locking that signs electronically and sign.
6. the package system of an e-file is characterized in that, comprising:
Be positioned at the archetype e-file encapsulation unit of transmitting terminal, will turn over that the metadata that writes down in the journey is packed in data flow, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper;
Be positioned at the authentication unit of receiving terminal, receive the archetype e-file wrapper of described archetype e-file encapsulation unit submission and it is verified that output is by the archetype e-file wrapper of checking;
Be positioned at the modified form e-file encapsulation unit of receiving terminal, connect described authentication unit and receive the archetype e-file wrapper that passes through checking, according to archiving requirement file type wrapper in the described archetype e-file wrapper and files type wrapper are made amendment, and it is carried out secondary packing, digital signature and signature locking, form modified form e-file wrapper and storage.
7. system as claimed in claim 6, it is characterized in that, described system also comprises the metadata conversion unit, described metadata conversion unit will be converted into the XML file format in the metadata of described transmitting terminal circulation, and be stored in a steady job catalogue together with relevant e-file, described archetype e-file encapsulation unit according to a corresponding packing rule with the data file under the described steady job catalogue pack, digital signature and signature locking, form the archetype e-file wrapper that comprises file type wrapper and files type wrapper.
8. as claim 6 or 7 described systems, it is characterized in that described archetype e-file encapsulation unit is by forming the file type wrapper with lower module:
With metadata packing, form substantially the not module of the wrapper structure of include file data;
With the module of file content with the packing of base64 coding;
To signature object sign electronically and sign the locking module.
9. system as claimed in claim 8 is characterized in that, described archetype e-file encapsulation unit is by forming files type wrapper with lower module:
With metadata packing, form substantially the not module of the wrapper structure of include file class relation;
The module of the incidence relation of file in setting up files and rolling up;
To signature object sign electronically and sign the locking module.
10. system as claimed in claim 9 is characterized in that, described modified form e-file wrapper comprises with lower module:
Former signature object and electronic signature piece are moved on to module under the former wrapper;
Packing revision metadata arrives the module under the Description of Revision;
To signature object sign electronically and sign the locking module.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201040A (en) * | 2010-03-22 | 2011-09-28 | 北京大学 | Method, system and device for processing electronic documents |
| CN104504044A (en) * | 2014-12-16 | 2015-04-08 | 北京海泰方圆科技有限公司 | Intelligent packaging method and system of electronic files |
| US20150213444A1 (en) * | 2014-04-07 | 2015-07-30 | Intercontinental Exchange Holdings, Inc. | Systems and methods for improving data processing and management |
| CN106156356A (en) * | 2016-07-27 | 2016-11-23 | 北京电子科技学院 | OAIS Information encapsulation method and system based on XML |
| CN106294810A (en) * | 2016-08-16 | 2017-01-04 | 南京新模式软件集成有限公司 | A kind of system and method for enterprise product data filing |
| CN108846088A (en) * | 2018-06-12 | 2018-11-20 | 四川物联亿达科技有限公司 | A kind of digital archives packaging method based on Digital Archives System |
| CN112464267A (en) * | 2020-12-07 | 2021-03-09 | 中国标准化研究院 | Electronic file packaging method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100505621C (en) * | 2005-05-18 | 2009-06-24 | 上海龙方信息技术有限公司 | Method for digital signature locking localization |
| CN101127107A (en) * | 2006-08-16 | 2008-02-20 | 鸿富锦精密工业（深圳）有限公司 | Electronic document automatic signing system and method |
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2009
- 2009-08-27 CN CN 200910194677 patent/CN101997643B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201040A (en) * | 2010-03-22 | 2011-09-28 | 北京大学 | Method, system and device for processing electronic documents |
| US20150213444A1 (en) * | 2014-04-07 | 2015-07-30 | Intercontinental Exchange Holdings, Inc. | Systems and methods for improving data processing and management |
| CN104504044A (en) * | 2014-12-16 | 2015-04-08 | 北京海泰方圆科技有限公司 | Intelligent packaging method and system of electronic files |
| CN104504044B (en) * | 2014-12-16 | 2017-12-05 | 北京海泰方圆科技股份有限公司 | The intelligent method for packing and system of a kind of e-file |
| CN106156356A (en) * | 2016-07-27 | 2016-11-23 | 北京电子科技学院 | OAIS Information encapsulation method and system based on XML |
| CN106294810A (en) * | 2016-08-16 | 2017-01-04 | 南京新模式软件集成有限公司 | A kind of system and method for enterprise product data filing |
| CN108846088A (en) * | 2018-06-12 | 2018-11-20 | 四川物联亿达科技有限公司 | A kind of digital archives packaging method based on Digital Archives System |
| CN112464267A (en) * | 2020-12-07 | 2021-03-09 | 中国标准化研究院 | Electronic file packaging method |
| CN112464267B (en) * | 2020-12-07 | 2024-04-02 | 中国标准化研究院 | Electronic file packaging method |
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