CN110991157A - Engineering quality evaluation system design method based on electronic file credible technology - Google Patents
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Abstract
The invention aims to provide a design method of an engineering quality evaluation system based on an electronic file credible technology aiming at the defects of the prior art, and the practicability and the efficiency of the system are improved. The invention provides a design method of an engineering quality evaluation system based on an electronic file credible technology, which is characterized by comprising the following steps: manufacturing an evaluation table template; designing an evaluation table code; making a signature; setting authority of an evaluation table; evaluating the meter circulation control; interaction of evaluation table information; seal interaction; protection of evaluation table information: verifying the integrity of the signature or signature file; and evaluating the filing and transferring of the data.
Description
Technical Field
The invention relates to the technical field of design of a hydraulic and hydroelectric engineering construction quality evaluation system, in particular to a design method of an engineering quality evaluation system based on an electronic file credible technology.
Background
For a long time, the process construction quality assessment of the water conservancy and hydropower industry generally adopts a mode of 'paper materials + manual filling', and the mode has the defects of messy and poor field filling, low manual circulation efficiency, inconvenient query and statistics, complicated data, easy loss and the like in actual application, thereby not only influencing the quality assessment efficiency, but also consuming huge cost. Based on this, it is a research hotspot to develop a quality evaluation system by using an information technology. At present, all quality evaluation systems in the water conservancy and hydropower industry adopt a form technology to realize on-line filling and circulation of quality information, but the scheme has the following outstanding problems in actual use:
1. the operation is not flexible: the table in the system is fixed, and the operation template in the background is not flexible;
2. the use is inconvenient: the electronic form filling is inconsistent with the traditional filling habit, and is easy to be blocked when being popularized and applied;
3. the development period is long: the form style adjustment takes long time, and a set of evaluation form generally needs to be developed for 1-2 months;
4. the research and development cost is high: the research and development cost is tens of millions at a glance;
5. filing does not satisfy: when the electronic form is converted into word and pdf, the electronic form can not carry effective signature information, and can not meet the filing requirement.
Under the background, the research and development of a novel quality evaluation system which has the advantages of standard style, convenient filling, high development efficiency and reasonable cost and meets the actual engineering data filing requirement has important significance.
Disclosure of Invention
The invention aims to provide a design method of an engineering quality evaluation system based on an electronic file credible technology aiming at the defects of the prior art, and the practicability and the efficiency of the system are improved.
The invention provides a design method of an engineering quality evaluation system based on an electronic file credible technology, which is characterized by comprising the following steps:
step one, manufacturing an evaluation table template: uniformly planning the evaluation table, and quantizing the table format;
designing an evaluation table code: uniformly defining the engineering codes;
thirdly, making a signature, including signature picture acquisition processing and electronic signature generation;
step four, setting the authority of the assessment table: defining a management process for the evaluation service to restrict the filling, modification and filing of evaluation data and establishing an authority control relationship between a user role and a process node;
step five, evaluating the table circulation control: establishing different multi-node multi-role business process examples for different forms by combining the provisions for the evaluation business in the quality acceptance specifications;
step six: the evaluation table information interaction is realized by utilizing an anchor point technology, namely a bookmark positioning technology, so that the basic information of the evaluation table is automatically filled, and when the basic information is filled and reported by adopting terminal embedded office software, the data is uploaded to a server in real time;
step seven: signature interaction: calculating the hash value of the current evaluation table by adopting a hash algorithm, storing the hash value in an electronic signature, and automatically positioning the signature to the corresponding position of the evaluation table by adopting an anchor point technology;
step eight: protection of evaluation table information: verifying the integrity of the signature or signature file;
step nine: assessment data archiving and transferring: automatically completing the functions of automatic classification, volume, typesetting, numbering and filing of the evaluation list data, and interfacing with other business systems.
In the technical scheme, the first step comprises dividing the evaluation table into three plates, namely a standardized table head, a filled-in table and an explicit flow table tail; setting margin according to filing requirements, and defining fonts, word sizes, word intervals, cell heights, cell lengths, line intervals and blank lines in a table; on the basis, the bookmarks related in the rating table are uniformly defined and named, and are inserted into corresponding positions in the rating table.
In the above technical solution, in the second step, the engineering code includes an engineering division code, an evaluation table template code, an evaluation table instance code, and an acceptance unit instance code.
In the above technical solution, in the third step, the signature information includes seal information and signature information; the seal information comprises header information, signature marks, attribute information and signature picture information; the signature information comprises a signer certificate, a signature mark and a signature value;
the signature picture information adopts a signature board to collect the lightness and urgency of the handwritten signature of the user, form the biological characteristic information of the signature of the user and uniformly define the signature size; except the signature picture, the rest signature information is provided by the electronic signature system in the manufacturing process of the signature; the signing board is a hardware device, is similar to a flat board, and can acquire an electronic signature which is the same as a handwritten signature of a person by writing on the signing board by an electronic pen. The electronic signature system is generally a purchased professional electronic signature system provider, and the provider should generally have CA certification, and the signature picture can be processed by the signature system to obtain an electronic signature with legal effect. Wherein the attribute information is basic information such as user name, organization, date, etc.; the signature picture refers to a signature handwritten by a user. The signature is generated during the electronic signature process. The signature value is generated during the electronic signature process.
Processing the acquired handwritten signature into an electronic signature containing attribute information, a signature picture, a signature mark and a signature value through an electronic signature system authenticated by a digital authentication center; identity examination of the signature user, processing of signature pictures and integrated packaging of electronic signature information.
In the technical scheme, the anchor point technology is adopted to dynamically embed the signature information into the evaluation table, and meanwhile, the information in the evaluation table is extracted to be applied outside the evaluation table; and uniformly defining and classifying the bookmarks in the evaluation list, wherein the bookmark categories at least comprise basic information, signatures, time, key data and evaluation conclusions. When the rating form template is made, bookmarks are defined at corresponding locations of the rating form. The bookmark is mainly used for filling the content outside the rating table into the corresponding position of the bookmark in the rating table. The content may be text, such as basic information of a unit subsection of a header, or a signature. Bookmarks have two functions: 1, introducing the contents outside the watch into the watch; 2, positioning the introduced content to the bookmark position.
In the technical scheme, the engineering division coding is to code all levels of nodes of the engineering division so as to realize the structured storage of engineering information management objects; according to specific engineering requirements, the method generally comprises engineering, mark sections, unit engineering, parts, subsection engineering, project division and acceptance units; wherein, fields such as engineering, mark section and the like generally need to be added with extension fields to store contract and information of responsible persons (units);
the evaluation form template coding refers to configuring the following attributes for the evaluation form template according to specific engineering requirements in general: engineering, mark section, project item, sequence number, service category, construction time sequence and cycle type; the method comprises the steps of endowing basic attribute information to a template by adopting a mode of coding or associating an extended field to the template of an evaluation table so as to drive each subsequent service;
the evaluation table example code comprises engineering division code, evaluation table template code, example table cycle type and example table cycle serial number.
The acceptance unit instance encoding comprises:
and (4) parent node: unit engineering code, part code, subsection engineering code and project code;
root node: the method comprises the following steps of checking and accepting unit names, checking and accepting unit general codes, evaluation table instance paths and names, accessory paths, accessory serial numbers and accessory types;
the process attribute is as follows: starting time, ending time, evaluation result, circulation node attribute (person in charge, time), and filing state.
In the above technical solution, in the step eight,
verifying the validity of the certificate of the electronic signature; and carrying out public key decoding on the digital signature content and the digital signature data of the electronic signature, analyzing the original text to be verified, the signature information, the signer certificate and the timestamp, comparing the analyzed text, the signature information, the signer certificate and the timestamp with correct decoding information provided by an electronic signature system, and if the information is consistent, indicating that the electronic signature is effective and is not modified in the process of flow transfer.
In the technical scheme, the fourth step comprises the steps of establishing the corresponding relation between the user and the mark section, unit, part, subsection, item and acceptance unit, realizing the explicit and implicit control of the interface contents of different user systems and correspondingly managing the authority control of the user;
establishing an authority control relation between a user role and a process node, and realizing self-defined control of the role on reading and writing, reading only and invisible authority of the evaluation table at different nodes;
the cells in the evaluation table template are divided into editable areas and non-editable areas, the editing authority of the editable areas is controlled according to the user roles, and the user can flexibly fill and modify data according to the authority while ensuring that the standard template is not modified.
In the above technical solution, the fifth step includes controlling the business process and the management process;
and (3) service flow: starting from the quality evaluation bottom layer business, establishing a plurality of roles including an owner, a plurality of participants of a survey, a design, a supervision and a contractor; establishing different multi-node multi-role business process examples for different forms by combining the regulations of the evaluation business in the quality acceptance specifications, and summarizing to form an evaluation business process set covering all the evaluation forms;
and (3) management flow: in order to ensure the compliance of the electronic evaluation service, a management process is defined for the evaluation service so as to restrict the filling, modification and filing of evaluation data; setting a starting application, wherein a construction unit needs to be examined and approved by a supervision unit before filling and submitting data, so that premature filling and submitting of acceptance data is avoided; and setting audit return, applying for the user with authority when the user needs to modify or supplement the evaluated data, repopulating after approval, and providing system records for the audit modification for future reference. Through the management process, the compliance of the business process is ensured to be evaluated;
and defining the matching relation between the process nodes and the evaluation table template codes by adopting an Activity engine to realize the automatic inheritance application of the evaluation table instance codes to the process nodes.
In the technical scheme, the filing requirement of the electronic evaluation table meets the relevant standards of the country and the industry, the filing file provides a Microsoft Word evaluation data source file protected by an electronic signature and a corresponding PDF file, the text information contained in the file conforms to the natural reading sequence, and supports the functions of extracting data subsets (dividing pages, extracting text strings and images) and full-text retrieval, the file comprises font description information of all fonts or embedded font program information, including raster images, vector graphics, color information and other information needing to be presented, the file fixedly presents file pages, chapters, paragraphs, fonts, graphics, images and colors, the presenting effect is not changed due to the changes of software and hardware platforms and reading software, and the filing requirement of the electronic file is met;
meanwhile, a protected doc calling application program interface is provided, a pdf file calling application program interface is provided, an automatic grouping and sequencing application program interface is provided, an application program interface with a user-defined case number and a file number is provided, functions of automatically finishing automatic classification, volume grouping, typesetting, numbering, filing and the like of evaluation list data are realized, and the system can be in butt joint with other business systems.
The invention has the following beneficial effects:
1. style specification
In the layout technique, standard quantitative layout is carried out on the evaluation form template, fonts, word sizes, word spacing, cell height, cell length, line spacing, blank lines and the like in the form are uniformly defined, reserved space is coordinated with filling content, signature size and the like, a standard header is adopted, and the tail of the flow is displayed, so that standard and overall attractiveness of the evaluation form is guaranteed, and the filing requirement is met.
2. Convenient filling
The office control is embedded into the B/S framework of the browser, and a user only needs to install the relevant control and does not need to install a client. The user filling interface and the operation method are completely consistent with the use of office software, and the user can quickly get on hand. The standardized header is adopted, the anchor point technology is utilized to correlate the contents of the participating units, the contract information, the engineering division, the coding and the like, so that the header can be automatically filled during filling, the fixed contents in the form are filled into the non-editable area in the form template in advance, the filling workload is reduced, and the filling errors are reduced. Meanwhile, the universal dates, check boxes, menu lists and the like in the form are defined in a unified mode, and manual filling is replaced by a click/check mode. The various designs ensure that the user can quickly get on hand when filling the newspaper, the filling workload is less, what you see is what you get and the formats are uniform.
3. Development efficiency
When the electronic form is used for quality evaluation, the form style adjustment takes long time, generally 1-2 months is needed for developing a set of evaluation form, the efficiency is low, and the field requirement cannot be quickly responded. When the method is adopted, the business process and the management process are summarized and developed, and the Activity engine is adopted to define the matching relation between the process node and the evaluation table template code, so that the automatic inheritance application of the evaluation table instance code to the process node is realized. Meanwhile, the Office layout file calls the Office template by adopting the webpage plug-in, the template is relatively simple to add or modify, the response to the field requirement is fast, field implementing personnel can be responsible for maintaining and updating, and the overall development efficiency is high.
4. Reasonable cost
As described above, when the quality evaluation system development is carried out by adopting the webpage office control-based technology, the customization of the evaluation table template is simple compared with the adjustment of an electronic form, and the automatic inheritance application of the evaluation table instance codes to the process nodes is realized by adopting the Activity engine to define the matching relation between the process nodes and the evaluation table template codes, so that only one matched business process needs to be developed for the forms with the same business process, and the development workload is greatly reduced. Meanwhile, field implementers can quickly meet the requirements of modification or addition of the field form template. Therefore, the system design method has low cost for system development and operation and maintenance.
5. Meet the filing requirement
The file generated by the quality evaluation system based on the webpage office control technology is an office format file with signature verification. The Office layout file and the related protocol thereof are compatible with the binary protocol of the past version of Office 2007 and the Office Open XML protocol of the later version of Office2010, and support the format conversion of all versions of Office electronic files, so that the Office evaluation table meets the format requirement of the file on the long-term storage evaluation table.
The Office format file is not added with an electronic official seal and a data signature outside an evaluation form, namely the electronic file self-contains the digital signature, and the signature and the electronic official seal are added without generating a new nonstandard evaluation form format, so that the evaluation form format is an open standard and meets the requirement of seal self-containing.
Therefore, the files generated based on the system have the characteristics of file self-inclusion, format self-description, no binding of software and hardware, support of a technical authentication mechanism and the like, and meet the specifications of temporary construction project electronic file archiving and electronic file management (file release No. [2016] 11), construction electronic file and electronic file management specification (CJJ/T117-2007), electronic file archiving and electronic file management specification (GB/T18894-), "format requirement for long-term storage of format type electronic files (DA/T47-2009) and the like.
Drawings
FIG. 1: general scheme of the invention
FIG. 2: technical scheme of the invention
FIG. 3: the invention relates to a signature verification diagram
FIG. 4: the invention is implemented by the steps.
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
As shown in the figure, the engineering quality assessment system design method based on the electronic file credible technology comprises the following specific steps:
1. manufacture of evaluation meter template
The evaluation table is uniformly planned and divided into three plates, namely a standardized table head, a filled-in table and an explicit flow table tail. The header part fully considers the contents of the participating units, contract information, engineering division, codes and the like to be displayed, and the header is uniformly defined and is related to the contents of the participating units, the contract information, the engineering division, the codes and the like, so that the header can be automatically filled during filling, the filling workload is reduced, and the filling errors are reduced. The form is a filling part, fixed items in the filling part are filled and set as non-editable areas, the tail part of the form reserves signature and seal positions in an explicit flow mode, and the integral attractiveness of the form is controlled by adopting cell lines in an explicit and implicit mode. The flow display processing is carried out on the form tails, the flow of the required seal is reasonably distributed in the modes of up-down columns, left-right columns and the like, and the user sees the form tails to be the required circulation program, so that the user can conveniently and rapidly switch from paper filing to electronic filing.
And under the uniform layout, performing quantization processing on the table format. Setting margin according to filing requirements, defining fonts, word sizes, word intervals, cell heights, cell lengths, line intervals, blank lines and the like in the form, and fully considering filling contents to enable filling contents, signatures and the like to be coordinated with reserved spaces.
In order to meet the filing requirement, the manufacture of the evaluation table template must meet the binding requirement during file filing, and a margin meeting the specification requirement is reserved. Meanwhile, the tables suitable for the unified engineering are required to be drawn neatly, so that the tables are attractive.
In order to provide convenience for users to fill in and sign, the quality evaluation form based on the office control often adopts a bookmark anchor point mode to automatically position the home position of related information, separate cells are needed to position bookmarks at the positions of signature, signature and signature date, when the number of the bookmarks is large, the lines of the cells are large, and the overall effect is not attractive. In order to make the electronic newspaper close to the visual sense of the paper newspaper as much as possible, partial cells need to be hidden and can be obtained by users in the sight.
After the layout factors are considered, the evaluation table is planned in a unified mode, page layout is quantized in a standard mode, and therefore the page layout meets the filing requirements and the use habits of users and is attractive in whole appearance. Meanwhile, in order to reduce the inconsistency caused by the difference of filling habits, the universal dates, check boxes, menu lists and the like in the form can be defined in a unified manner, manual filling is replaced by a click/check mode, the complexity of filling is saved, and the unification of the format is ensured.
On the basis, a bookmark is inserted into a cell which needs to be interactively operated in the text. The bookmark should be uniformly defined and classified, and the bookmark category should at least include basic information (participating units, contracts, mark sections, WBS division, etc.), signature, time, key data (detection points, qualified rate), assessment conclusion (unqualified, qualified, excellent), and the like.
Because the C/S framework has long development period and long modification time and cannot meet the requirement of changing at any time on site, the invention adopts the B/S framework of the webpage end to carry out system lightweight design. The user does not need to install special client software, and can perform filling after environment configuration is performed on a common browser.
Under the B/S framework, a user carries out filling operation in a browser. Because the electronic form has the problems of long development period, high research and development cost, risk in filing and the like in use, the scheme of embedding the OFFICE format file into the browser is adopted. Because the ActiveX technology is built on the COM, the ActiveX technology does not depend on a specific programming language and a specific operating environment, and can be embedded in a webpage to realize various operations such as interaction, reentry and the like, and the IE browser is an ActiveX container, the evaluation list control can be embedded in the browser. And the evaluation table control is an OLE evaluation table container, so that the word evaluation table can be embedded into the browser by utilizing the ActiveX control, and the interaction and other operations are realized.
2. Rating table coding design
And uniformly defining the engineering codes, including engineering division codes, evaluation table template codes, evaluation table example codes and acceptance unit example codes.
1) And (5) dividing and coding the engineering. Defining project, mark section, unit project, part, subsection project, acceptance unit name and coding rule. The fields of engineering, benchmarking and the like generally need to be added with extension fields to store relevant information such as contracts and responsible persons (units).
2) And evaluating the table template codes. The codes of engineering, mark section, project and the like are consistent with the division of the engineering, and the codes of sequence number, service category, construction time sequence, cycle type and the like are defined. The system can adopt a mode of coding or associating an extended field to the evaluation table template to endow basic attribute information to the template so as to drive each subsequent service.
3) And (5) evaluating the example codes of the tables. The rating form instance is a copy that the system generates using the rating form template based on the user configuration information. After the user completes the configuration of the evaluation table of the unit project, the system establishes the incidence relation between the unit project and the evaluation table template and generates a complete set of evaluation table examples of the unit project. The evaluation table instance code needs to contain (or be associated with an extension field) information such as engineering division code, evaluation table template code, instance table cycle type, instance table cycle sequence number and the like.
4) And (4) checking and accepting unit instance coding. Its code covers the parent node, root node and flow attributes. Wherein, the father node comprises unit project code, part code, subsection project code and project code; the root node comprises a name of an acceptance unit, a universal code of the acceptance unit, a path and a name of an evaluation table instance, an attachment path, an attachment serial number and an attachment type; the flow attribute comprises starting time, ending time, evaluation result, circulation node attribute (person in charge, time) and filing state.
3. Signature making
The production of the signature comprises the collection and processing of the signature picture and the generation of the electronic signature. The signature information includes seal information and signature information. The seal information includes header information, signature marks, attribute information, signature picture information, and the like. The signature information includes a signer certificate, a signature flag, and a signature value.
And the signature picture information adopts a professional signature version to acquire the urgency of the user signature to form the biological characteristic information of the user signature. In order to keep consistency with handwriting signature and paper seal, the size of the seal is defined uniformly. Wherein, the signature size: 80 × 30, 96dpi, hollow out, png format; seal size: 151 × 151, 96dpi, hollow out, png format.
Except the signature picture, the rest signature information is provided by an electronic signature system, namely a signature server in the process of making the signature. The electronic signature system is based on a PKI (public key infrastructure) system, and a provider of the electronic signature system must be authenticated by a digital authentication center. The electronic signature making process is also the process of identity examination of the signature user, processing of the signature picture and integrated packaging of the electronic signature information. The generation of the electronic signature relies on an electronic signature server. Providers of electronic signature systems must be authenticated by a digital certificate authority. When the electronic signature is generated, header information, a signature mark, attribute information, signature picture information, a signer certificate, a signature mark, a signature value and the like are generated together with the signature picture.
Because the ActiveX technology can flexibly and efficiently finish interactive application, and the IE browser can be used as an ActiveX container, the action interaction of editing, storing, signing and the like of the office evaluation list can be realized at a web end by adopting the ActiveX evaluation list control.
In order to facilitate the checking of the signature key information on the user interface, a mouse suspension event is set, and the key information such as signature time, signature user and the like can be displayed when the mouse is suspended on the signature. Because the signature information is stored in a packaging way, the signature information can be displayed in an off-line state.
When a user signs the evaluation table, the computer processes the evaluation table by adopting a Hash algorithm to obtain a character string, namely a document abstract. The character string is encrypted by using a user private key, the encrypted information is attached to the electronic signature as an attribute, and the system automatically positions the signature to a corresponding position in the evaluation table through an anchor point technology. Meanwhile, a mouse suspension event is set, and key information such as signature time, signature users and the like can be displayed when the mouse is suspended on the signature.
And when the receiver receives the evaluation table information, the encrypted document abstract is decrypted by using the public key and is compared with the document abstract before encryption. If the two are the same, the assessment table is not modified and is trusted. Otherwise, the assessment form is not trusted, and the system marks the signature in a color bar mode.
4. Rating table authority control
In order to ensure the compliance of the electronic evaluation service, a management process is defined for the evaluation service to restrict the filling, modification and filing of the evaluation data. The start application is set, and the construction unit needs to be examined and approved by the supervision unit before the data is filled, so that the early filling of the inspection and acceptance data is avoided. And setting audit return, applying for the user with authority when the user needs to modify or supplement the evaluated data, repopulating after approval, and providing system records for the audit modification for future reference. The compliance of the business process is ensured to be evaluated through the management process.
And establishing an authority control relation between the user role and the process node, and realizing the self-defined control of the role on the read-write, read-only and invisible authority of the evaluation table at different nodes.
The cells in the evaluation table template are divided into editable areas and non-editable areas, the editing authority of the editable areas is controlled according to the user roles, and the user can flexibly fill and modify data according to the authority while ensuring that the standard template is not modified.
5. Rating form flow control
The quality assessment underlying business is started, and a plurality of roles including an owner, a survey, a design, a supervision, a contractor and other participants are established. And establishing different multi-node multi-role business process examples for different forms by combining the regulations of the evaluation business in the quality acceptance specifications, and summarizing to form an evaluation business process set covering all the evaluation forms. When the user performs the filling circulation of the form, the system level already defines the corresponding relationship between the process nodes and the roles, namely the front and back nodes are matched with the corresponding approval roles, and the user can only perform the filling circulation according to the specified process.
And defining the matching relation between the process nodes and the evaluation table template codes by adopting an Activity engine to realize the automatic inheritance application of the evaluation table instance codes to the process nodes.
6. Rating form information interaction
The embedded office software of the terminal is utilized to carry out quality inspection on site by utilizing the windows panel and directly fill in acceptance data, the data is uploaded to the server in real time, the filling and reporting mode is efficient and convenient, and the real-time data interaction mode is safe and stable. The interaction of the internal data and the external data of the evaluation form is realized by utilizing an anchor point technology, basic information such as participation units, engineering division and the like is automatically filled into the form header, and the filling workload and the filling errors are reduced. Meanwhile, the filling interface is an office interface in nature, so that a user can get on the office quickly without additional adaptation to the filling interface and filling operation, and the user can get on the office quickly.
7. Stamp interaction
When the system signs on line, the system acquires the signer certificate from the signing server and verifies the validity of the signer certificate, calls the electronic signature after the signature is verified, and verifies the data compliance, the signature value, the signer certificate validity, the electronic seal validity period and the like of the electronic signature. And after the verification is passed, extracting the file abstract by adopting a national cryptographic algorithm to serve as digital signature content, and assembling signature data for the content of the evaluation table. Finally, the system packs the information of electronic signature version information, seal information, signature time and the like to form electronic signature data, and adds the information into a file by adding a timestamp.
When the EKEY is adopted for signature, the signer certificate is contained in the EKEY, so that the signer certificate can be directly obtained from the EKEY and verified, and the rest of the signature logic is basically the same as that described above.
Because the signature is self-contained in content and self-described in format, by setting a mouse suspension event, key information such as signature time, signature user and the like can be displayed when a mouse is suspended on the signature. Meanwhile, the signature information is stored in a packaging mode, and the signature information can be displayed in an off-line state.
8. Rating table information protection
The evaluation table information protection comprises two parts of flow control and signature protection.
In the process, because the authority control relation between the user role and the process node is established, the read-write, read-only and invisible authorities of the evaluation table are controlled by different nodes under different roles. In the aspect of signature protection, after a user carries out electronic signature, the integrity of a signature or a signature file can be verified. The system verifies the certificate of the electronic signature to ensure the validity of the signature file. And carrying out public key decoding on the digital signature content and the sub-signature data, analyzing information such as a to-be-verified original text, electronic signature information, a signer certificate, a timestamp and the like, and comparing the information with correct decoding information provided by a signature server, wherein if the information is consistent, the signature is effective and is not modified in the streaming process, and the validity of a signature and a signature evaluation table can be prompted to a user in the signature interaction of mouse hovering. When the evaluation form is modified after the signature and the signature verification fails, the signature is displayed by a gray bar, and the user can be prompted to modify the evaluation form after the signature by the signature interaction and the evaluation form is not credible. A word evaluation table can be embedded in a browser through an ActiveX technology, and the interaction of the contents of the evaluation table is realized through an anchor point technology and the like. Besides filling in the content, signature and seal operations need to be carried out on the evaluation form to realize electronic protection of the evaluation form. Referring to the current standard requirements of electronic signature and the commercial signature technology, signature information is basically contained in a signature picture and is embedded into a word evaluation table as an object. Therefore, the anchor point technology can also be adopted, the electronic signature is embedded into the evaluation table, and the signature verification is carried out through the related control.
The document digest is a character string formed after a document is compressed and mapped through a certain algorithm. The evaluation table is also stored in the computer in the form of a character string, and the character string is compressed and mapped by using a hash algorithm in the text, so that a message with any length can be compressed to a message digest with a certain fixed length, namely a document digest.
The document protection is mainly based on an encryption algorithm, and two processes of encryption and decryption are required in the encryption algorithm, namely a public key and a private key are required. Each private key has a corresponding public key from which the private key cannot be derived. The public and private key pair is generated by a server with CA authentication, and the authentication mechanism is the authentication of the encryption reliability of the public and private key pair generated by the server.
When a user signs the evaluation table, the computer processes the evaluation table by adopting a Hash algorithm to obtain a character string, namely a document abstract. Meanwhile, the character string is encrypted by adopting a private key of the user, and the encrypted information is attached to the digital signature as an attribute.
The recipient, upon receiving the rating form information, uses the public key that is public.
And decrypting the encrypted document digest and comparing the decrypted document digest with the document digest before encryption. If the two are the same, the assessment table is not modified and is trusted. Otherwise, the evaluation table is not reliable.
9. Assessment data archiving and handover
The evaluation table obtained by the method is an office layout file with signature verification, and the file has the characteristics of file self-inclusion, format self-description, no binding of software and hardware, technical authentication mechanism support and the like. The source file is in doc format, the text information contained in the pdf file is in accordance with natural reading sequence, the pdf file supports data subset extraction (page segmentation, text string extraction, image extraction and the like) and full-text retrieval, the file comprises font description information of all fonts or embedded font program information, the file comprises raster images, vector graphics, color information and other information needing to be presented, the file fixedly presents file pages, chapters, paragraphs, fonts, graphics, images, colors and the like, the presentation effect is not changed due to changes of software and hardware platforms and reading software, and the file filing requirement of the electronic file is met.
Meanwhile, a protected doc calling API is provided, a pdf file calling API is provided, an automatic grouping and sequencing API is provided, user-defined case number and file number APIs are provided, automatic classification, volume grouping, typesetting, numbering, filing and other functions of the evaluation list data are automatically completed, and the system can be in butt joint with other business systems.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (10)
1. A design method of an engineering quality assessment system based on an electronic file credible technology is characterized by comprising the following steps:
step one, manufacturing an evaluation table template: uniformly planning the evaluation table, and quantizing the table format;
designing an evaluation table code: uniformly defining the engineering codes;
thirdly, making a signature, including signature picture acquisition processing and electronic signature generation;
step four, setting the authority of the assessment table: defining a management process for the evaluation service to restrict the filling, modification and filing of evaluation data and establishing an authority control relationship between a user role and a process node;
step five, evaluating the table circulation control: establishing different multi-node multi-role business process examples for different forms by combining the provisions for the evaluation business in the quality acceptance specifications;
step six: the method comprises the steps of (1) interacting evaluation table information, utilizing an anchor point technology to realize automatic filling of basic information of an evaluation table, and uploading data to a server in real time when terminal embedded office software is adopted for filling and reporting;
step seven: signature interaction: calculating the hash value of the current evaluation table by adopting a hash algorithm, storing the hash value in an electronic signature, and automatically positioning the signature to the corresponding position of the evaluation table by adopting an anchor point technology;
step eight: protection of evaluation table information: verifying the integrity of the signature or signature file;
step nine: assessment data archiving and transferring: automatically completing the functions of automatic classification, volume, typesetting, numbering and filing of the evaluation list data, and interfacing with other business systems.
2. The design method of the project quality assessment system based on the electronic file credible technology as claimed in claim 1, characterized in that: dividing an evaluation table into three plates, namely a standardized table head, a filled-in table and an explicit flow table tail; setting margin according to filing requirements, and defining fonts, word sizes, word intervals, cell heights, cell lengths, line intervals and blank lines in a table; on the basis, the bookmarks related in the rating table are uniformly defined and named, and are inserted into corresponding positions in the rating table.
3. The design method of the engineering quality assessment system based on the electronic file trusted technology as claimed in claim 2, wherein in the second step, the engineering code comprises an engineering division code, a rating table template code, a rating table instance code and an acceptance unit instance code.
4. The method for designing an engineering quality assessment system based on electronic document credible technology according to claim 3, characterized in that in the third step, the signature information comprises seal information and signature information; the seal information comprises header information, signature marks, attribute information and signature picture information; the signature information comprises a signer certificate, a signature mark and a signature value;
the signature picture information adopts a signature board to collect the lightness and urgency of the handwritten signature of the user, form the biological characteristic information of the signature of the user and uniformly define the signature size; except the signature picture, the rest signature information is provided by the electronic signature system in the manufacturing process of the signature;
processing the acquired handwritten signature into an electronic signature containing attribute information, a signature picture, a signature mark and a signature value through an electronic signature system authenticated by a digital authentication center; identity examination of the signature user, processing of signature pictures and integrated packaging of electronic signature information.
5. The design method of the engineering quality assessment system based on the electronic file credible technology as claimed in claim 4, characterized in that the anchor point technology is adopted to dynamically embed the signature information into the assessment table, and simultaneously the information in the assessment table is extracted to be applied outside the assessment table; and uniformly defining and classifying the bookmarks in the evaluation list, wherein the bookmark categories at least comprise basic information, signatures, time, key data and evaluation conclusions.
6. The method for designing an engineering quality assessment system based on an electronic file trusted technology according to claim 4, characterized in that: the engineering division coding is to code all levels of nodes of the engineering division so as to realize the structured storage of engineering information management objects; according to specific engineering requirements, the method generally comprises engineering, mark sections, unit engineering, parts, subsection engineering, project division and acceptance units; wherein, the project and mark section fields are added with expansion fields to store contract and information of responsible persons (units);
the evaluation form template coding refers to configuring the following attributes for the evaluation form template according to specific engineering requirements in general: engineering, mark section, project item, sequence number, service category, construction time sequence and cycle type; the method comprises the steps of endowing basic attribute information to a template by adopting a mode of coding or associating an extended field to the template of an evaluation table so as to drive each subsequent service;
the evaluation table example code comprises engineering division code, evaluation table template code, example table cycle type and example table cycle serial number.
The acceptance unit instance encoding comprises:
and (4) parent node: unit engineering code, part code, subsection engineering code and project code;
root node: the method comprises the following steps of checking and accepting unit names, checking and accepting unit general codes, evaluation table instance paths and names, accessory paths, accessory serial numbers and accessory types;
the process attribute is as follows: starting time, ending time, evaluation result, circulation node attribute (person in charge, time), and filing state.
7. The method for designing an engineering quality assessment system based on electronic file credible technology as claimed in claim 1, wherein in step eight,
verifying the validity of the certificate of the electronic signature; and carrying out public key decoding on the digital signature content and the digital signature data of the electronic signature, analyzing the original text to be verified, the signature information, the signer certificate and the timestamp, comparing the analyzed text, the signature information, the signer certificate and the timestamp with correct decoding information provided by an electronic signature system, and if the information is consistent, indicating that the electronic signature is effective and is not modified in the process of flow transfer.
8. The engineering quality assessment system design method based on the electronic file trusted technology as claimed in claim 4, wherein the fourth step comprises establishing the corresponding relationship between the user and the mark section, unit, part, subsection, item, acceptance unit, realizing the explicit and implicit control of different user system interface contents, and managing the authority control of the user correspondingly;
establishing an authority control relation between a user role and a process node, and realizing self-defined control of the role on reading and writing, reading only and invisible authority of the evaluation table at different nodes;
the cells in the evaluation table template are divided into editable areas and non-editable areas, the editing authority of the editable areas is controlled according to the user roles, and the user can flexibly fill and modify data according to the authority while ensuring that the standard template is not modified.
9. The design method of the project quality evaluation system based on the electronic document credible technology as claimed in claim 2, wherein the fifth step comprises the control of the business process and the management process;
and (3) service flow: starting from the quality evaluation bottom layer business, establishing a plurality of roles including an owner, a plurality of participants of a survey, a design, a supervision and a contractor; establishing different multi-node multi-role business process examples for different forms by combining the regulations of the evaluation business in the quality acceptance specifications, and summarizing to form an evaluation business process set covering all the evaluation forms;
and (3) management flow: in order to ensure the compliance of the electronic evaluation service, a management process is defined for the evaluation service so as to restrict the filling, modification and filing of evaluation data; setting a starting application, wherein a construction unit needs to be examined and approved by a supervision unit before filling and submitting data, so that premature filling and submitting of acceptance data is avoided; and setting audit return, applying for the user with authority when the user needs to modify or supplement the evaluated data, repopulating after approval, and providing system records for the audit modification for future reference. Through the management process, the compliance of the business process is ensured to be evaluated;
and defining the matching relation between the process nodes and the evaluation table template codes by adopting an Activity engine to realize the automatic inheritance application of the evaluation table instance codes to the process nodes.
10. The method for designing an engineering quality assessment system based on electronic file credible technology according to claim 2, it is characterized by that the filing requirements of electronic evaluation table can meet the related specifications of state and industry, and the filing file can provide Microsoft Word evaluation data source file protected by electronic signature and correspondent PDF file, the text information contained in the file is accordant with natural reading sequence, the file fixedly presents file pages, chapters, paragraphs, fonts, graphs, images and colors, and the presenting effect is not changed due to the changes of software and hardware platforms and reading software, so that the file conforms to the filing requirement of electronic files;
meanwhile, a protected doc calling application program interface is provided, a pdf file calling application program interface is provided, an automatic grouping and sequencing application program interface is provided, an application program interface with a user-defined case number and a file number is provided, functions of automatically finishing automatic classification, volume grouping, typesetting, numbering, filing and the like of evaluation list data are realized, and the system can be in butt joint with other business systems.
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