CN110991157B - Engineering quality assessment system design method based on electronic file trusted technology - Google Patents
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Abstract
Aiming at the defects of the prior art, the invention provides a design method of an engineering quality assessment system based on an electronic file trusted technology, and the practicability and the high efficiency of the system are improved. The invention provides a project quality assessment system design method based on an electronic file trusted technology, which is characterized by comprising the following steps: making an evaluation list template; designing a rating table code; making a signature; setting authority of an evaluation list; assessing the table circulation control; the information interaction of the assessment list; performing seal interaction; and (3) protecting evaluation table information: verifying the integrity of the signature or signature file; assessment data archive handoff.
Description
Technical Field
The invention relates to the technical field of design of a water conservancy and hydropower 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 method of paper material and manual filling is generally adopted for the construction quality assessment of the water conservancy and hydropower industry working procedures, and the method has the defects of messy field filling, low manual circulation efficiency, inconvenient inquiry 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 the above, the development of a quality assessment system by adopting an informatization technology is a current research hotspot. At present, the quality evaluation system of the water conservancy and hydropower industry adopts a form technology to realize the online reporting and circulation of quality information, but the scheme has the following prominent problems in actual use:
1. The operation is inflexible: the form in the system is fixed, and the operation template is inflexible in the background;
2. the use is inconvenient: the filling of the electronic form is inconsistent with the traditional filling habit, and is easy to be blocked during popularization and application;
3. the development period is long: the form style adjustment time is long, and a set of evaluation forms are generally required to be developed for 1-2 months;
4. the research and development cost is high: development costs are tens of millions;
5. the archive does not satisfy: when the electronic form is converted into word and pdf, effective signature information cannot be carried, and the archiving requirement is not met.
Under the background, the research and development of a novel quality assessment system which has the advantages of standard style, convenient and fast filling, high development efficiency, reasonable cost and meeting the filing requirement of actual engineering data has important significance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a design method of an engineering quality assessment system based on an electronic file trusted technology, and the practicability and the high efficiency of the system are improved.
The invention provides a project quality assessment system design method based on an electronic file trusted technology, which is characterized by comprising the following steps:
step one, manufacturing an evaluation list template: uniformly planning the evaluation table, and carrying out quantization processing on the table format;
Step two, designing evaluation table codes: uniformly defining engineering codes;
step three, signature is manufactured, which comprises signature picture acquisition processing and electronic signature generation;
step four, setting the authority of the evaluation list: defining a management flow for the assessment business to restrict the reporting, modification and archiving of assessment data, and establishing an authority control relationship between user roles and flow nodes;
step five, rating table circulation control: different multi-node multi-role business process examples are established for different forms in combination with the provision of assessment business in the quality acceptance specification;
step six: the information interaction of the evaluation list is realized by utilizing an anchor point technology, namely a bookmark positioning technology, so that the automatic filling of basic information of the evaluation list is realized, and when the terminal embedded office software is adopted for filling, data is uploaded to a server in real time;
step seven: signature interaction: calculating a hash value of the current evaluation list by adopting a hash algorithm, storing the hash value in the electronic signature, and automatically positioning the signature to a corresponding position of the evaluation list by an anchor point technology;
step eight: and (3) protecting evaluation table information: verifying the integrity of the signature or signature file;
step nine: assessment data archive handoff: the functions of automatic classification, winding, typesetting, numbering and archiving of the assessment list data are automatically completed, and the assessment list data are in butt joint with other service systems.
In the technical scheme, the first step comprises dividing an evaluation table into three major plates of a standardized table head, a table of a filling part and a table tail of an explicit flow; setting page margins according to filing requirements, and defining fonts, font sizes, word intervals, cell heights, cell lengths, line intervals and empty lines in the table; on the basis of the above, the bookmarks related in the rating table are uniformly defined and named and 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 form template code, an evaluation form 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, a signature mark, attribute information and signature picture information; the signature information comprises a seal maker certificate, a signature mark and a signature value;
the signature picture information adopts a signature board to collect the urgency of a handwritten signature of a user, form the biological characteristic information of the signature of the user and uniformly define the size of the signature; except for the signature picture, other signature information is provided by the electronic signature system in the signature manufacturing process; the signing board is a hardware device, is similar to a flat board, and can be used for writing on the signing board by an electronic pen, so that the electronic signature which is the same as the handwriting signature of the user can be acquired. The electronic signature system is generally a professional electronic signature system provider for purchasing, and the provider should generally have CA authentication, and can obtain electronic signature with legal effect after the signature picture is processed by the signature system. Wherein the attribute information is basic information such as user name, institution, date, etc.; the signature picture refers to the user's handwritten signature. The signature mark is generated in the electronic signature process. The signature value is generated during the electronic signature process.
Processing the collected handwritten signature into an electronic signature comprising attribute information, signature pictures, signature marks and signature values through an electronic signature system authenticated by a digital authentication center; and (3) carrying out identity examination on the signed user, processing the signed picture and integrating and packaging the electronic signature information.
In the technical scheme, the anchor point technology is adopted to dynamically embed signature information into the evaluation table, and meanwhile, the information in the evaluation table is extracted out of the evaluation table for application; and uniformly defining and classifying the bookmark in the evaluation list, wherein the bookmark type at least comprises basic information, signature, time, key data and evaluation conclusion. When the rating table template is manufactured, bookmarks are defined at corresponding positions of the rating table. The bookmarks are mainly used for filling the content outside the rating table into the positions corresponding to the bookmarks in the rating table. The content can be text, such as basic information of unit subsection items of a header, or can be signature. Bookmarks have two functions: 1, introducing the external content into a table; 2, the introduced content is positioned to the bookmark position.
In the technical scheme, the engineering partition coding is used for coding all levels of nodes of the engineering partition so as to realize the structured storage of engineering information management objects; according to specific engineering requirements, the system generally comprises engineering, standard segment, unit engineering, part, subsection engineering and acceptance unit; the fields such as engineering, punctuation and the like generally need to be added with extension fields to store contract and responsible person (unit) information;
Rating table template coding refers to the general need to configure the rating table template with the following attributes according to specific engineering requirements: engineering, marking, sub-engineering, sequence number, service class, construction time sequence and circulation type; adopting a mode of encoding the evaluation form template or associating the extension fields, and endowing basic attribute information for the template so as to drive the subsequent various services;
the assessment table instance codes comprise engineering partition codes, assessment table template codes, instance table cycle types and instance table cycle numbers.
Acceptance unit instance code includes:
parent node: unit engineering coding, position coding, subsection engineering coding and subsection engineering coding;
root node: the name of the acceptance unit, the universal code of the acceptance unit, the path of the evaluation list instance, the name, the path of the attachment, the serial number of the attachment and the type of the attachment;
flow attributes: start time, end time, assessment results, transfer node attributes (responsible person, time), archive status.
In the above technical solution, in the step eight,
verifying the validity of the certificate of the electronic signature; and (3) public key decoding is carried out on the digital signature content and the digital signature data of the electronic signature, the original text to be verified, signature information, a seal maker certificate and a time stamp are analyzed, and the digital signature content and the digital signature data are compared with correct decoding information provided by the electronic signature system, and if the information is consistent, the electronic signature is valid and is not modified in the circulation process.
In the technical scheme, the fourth step comprises the steps of establishing the corresponding relation between the user and the mark section, the unit, the part, the subsection and the acceptance unit, realizing the implicit control of the interface contents of different user systems, and correspondingly managing the authority control of the user;
establishing authority control relation between a user role and a flow node, and realizing authority self-defined control of the roles on the read-write, read-only and invisible authority of the assessment table in different nodes;
dividing the unit cell in the evaluation table template into an editable area and a non-editable area, controlling the editing authority of the editable area according to the user role, ensuring that the standard template is not modified, and simultaneously, flexibly filling modification data according to the authority by the user.
In the above technical solution, the fifth step includes controlling a business process and a management process;
business flow: starting from the quality assessment bottom layer business, establishing various roles including owners, investigation, design, supervision and contractor multiple participants; different multi-node multi-role business process examples are established for different forms in combination with the provision of the evaluation business in the quality acceptance specification, and an evaluation business process set covering all the evaluation forms is formed in a summarizing way;
the management flow comprises the following steps: defining a management flow for the assessment business to restrict the reporting, modification and archiving of assessment data in order to ensure compliance of the electronic assessment business; setting a starting application, wherein a construction unit needs to be subjected to approval by a supervision unit before the information is filled, so that early filling of acceptance information is avoided; setting audit returns, applying for users with authority when the users need to modify or supplement rated data, re-filling after approval, and providing system records for the audit modifications. Through the management flow, compliance on the business flow is ensured to be assessed;
And defining a matching relation between the flow node and the evaluation table template code by adopting an Activity engine, and realizing automatic inheritance application of the evaluation table instance code to the flow node.
In the technical scheme, the archiving requirement of the electronic evaluation list meets the relevant specifications of countries and industries, the file files provide Microsoft Word evaluation data source files and corresponding PDF files protected by electronic signature, text information contained in the files accords with the natural reading sequence, the file files support extraction of data subsets (page segmentation, text string extraction and image extraction), the full text retrieval function is supported, the file comprises font description information or embedded font program information of all fonts, and other information needing to be presented, such as raster images, vector graphics, color information and the like, the file fixedly presents file pages, chapters, paragraphs, fonts, graphics, images and colors, the presentation effect is not changed due to the change of software and hardware platforms and reading software, and the file archiving requirement is met;
meanwhile, a doc calling application program interface is provided for protection, a pdf file calling application program interface is provided, an automatic grouping and sorting application program interface is provided, an application program interface for self-defining a file number and a file number is provided, the functions of automatically completing automatic classification, file grouping, typesetting, numbering, archiving and the like of assessment list data are realized, and the system can be in butt joint with other service systems.
The beneficial effects of the invention are as follows:
1. style specification
In the layout skill, standard quantization layout is performed on the evaluation form templates, fonts, font sizes, word spacing, cell heights, cell lengths, row spacing, blank rows and the like in the form are uniformly defined, so that reserved spaces are coordinated with filling contents, signature sizes and the like, and the standard form heads and the form tails of the flow processes are adopted, so that the standard and integral attractive evaluation form styles are ensured, and the filing requirement is met.
2. Convenient and fast filling
And the B/S architecture of the browser is embedded by adopting the office control, and a user only needs to install the related 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, so that the user can quickly get on hand. The standardized header is adopted, and the anchor point technology is utilized to correlate 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 fixed contents in the form are pre-filled into the non-editable area in the form template, the filling workload is reduced, and the filling errors are reduced. Meanwhile, universal date, choosing frame, menu list and the like can be defined in the form in a unified way, and manual filling is replaced by a clicking/choosing mode. The above designs ensure that the user can quickly get hands when filling the newspaper, the filling workload is less, and the obtained formats are uniform.
3. Development efficiency
When the electronic form is adopted for quality evaluation, the form style adjustment time is long, a set of evaluation form is generally required to be developed for 1-2 months, the efficiency is low, and the field requirement cannot be responded quickly. When the method is adopted, the business process and the management process are summarized and developed, and the matching relation between the process node and the evaluation table template code is defined by using the Activity engine, so that the automatic inheritance application of the evaluation table instance code to the process node is realized. Meanwhile, the Office template is called by the Office format file through the webpage plug-in, the newly added or modified template is relatively simple, the response to the site demand is fast, site implementation personnel can be responsible for maintenance and update, and the overall development efficiency is high.
4. Reasonable cost
As described above, when the quality evaluation system development is performed based on the webpage office control technology, the customization of the evaluation form template is simple relative to the adjustment of the electronic form, and the matching relation between the flow node and the evaluation form template code is defined by the Activity engine, so that the automatic inheritance application of the evaluation form instance code to the flow node is realized, and only one matched business flow is required to be developed for the form of the same business flow, thereby greatly reducing the development workload. Meanwhile, field implementation personnel can rapidly cope with the requirements of field form template modification or new addition. Thus, the system development and operation costs are lower using the system design methods described herein.
5. Meets the filing requirement
The document generated by the quality assessment system based on the webpage office control technology is an electronic document with signature verification and is an office format document. The Office format file and related protocols are compatible with the binary protocol of the former version of Office 2007 and the Office Open XML protocol of the latter version of Office2010, and the format conversion of all versions of Office electronic files is supported, so that the Office evaluation list meets the format requirement of the file about the long-term storage evaluation list.
The Office format file is not added with an electronic official seal and a data signature outside the evaluation list, namely the electronic file self-contained digital signature, the signature and the electronic official seal are added, a new nonstandard evaluation list format is not generated, the evaluation list format is ensured to be an open standard, and the requirement of self-contained seal is met.
Therefore, the files generated based on the system have the characteristics of self-contained files, self-description formats, unbound software and hardware, support of technical authentication mechanisms and the like, and meet the specifications of the regulations such as the "temporary method for archiving and managing electronic files of construction projects" (document transmission [2016] 11), the regulations for managing the electronic files and electronic files (CJJ/T117-2007), the regulations for managing the electronic files archiving and electronic files (GB/T18894-2016), the regulations for the long-term storage format requirements of the electronic files of the format (DA/T47-2009) and the like.
Drawings
Fig. 1: overall scheme of the invention
Fig. 2: the technical scheme of the invention is that
Fig. 3: signature verification diagram of the invention
Fig. 4: the invention implements a step diagram.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are given for clarity of understanding and are not to be construed as limiting the invention.
As shown in the figure, the engineering quality assessment system design method based on the electronic file trusted technology comprises the following specific steps:
1. evaluation form template fabrication
And uniformly planning the evaluation table, wherein the evaluation table is divided into three major plates of a standardized table head, a filling part of the table and a table tail of an explicit flow. The header part fully considers the contents such as the participating units, the contract information, the project division, the codes and the like to be displayed, and uniformly defines the header, so that the header is related to the contents such as the participating units, the contract information, the project division, the codes and the like, and the header can be automatically filled during filling, thereby reducing the filling workload and filling errors. The table is a filling part, fixed items in the filling part are filled and set as non-editable areas, the table tail part reserves signature stamping positions in an explicit flow way, and the whole attractive appearance is controlled by adopting a unit cell line to be obvious and hidden. The method is characterized in that the process display processing is carried out on the table tail, the required signature stamping process is reasonably distributed in the modes of the upper column, the lower column, the left column, the right column and the like, and the table tail which is seen by a user is the required circulation program, so that the user can conveniently and rapidly switch from paper filling to electronic filling.
And under the unified layout, carrying out quantization processing on the table format. And setting page margins according to filing requirements, defining fonts, font sizes, word spacing, cell heights, cell lengths, line spacing, blank lines and the like in the form, and fully considering filling contents to coordinate filling contents, signatures and the like with a reserved space.
In order to meet the archiving requirement, the production of the rating table template must meet the filing requirement in the archiving of files, and a margin meeting the specification requirement is reserved. Meanwhile, the form suitable for unified engineering should be neat and uniform, so that the form is attractive.
In order to provide convenience for users in filling and signing, the quality assessment form based on the office control often adopts a bookmark anchor point mode to automatically position the attribution position of related information, and separate cells are needed to position bookmarks of signing, signing and signing date positions, so that when the bookmarks are more, the number of cell lines is large, and the overall effect is not attractive. In order to make the electronic filling as close as possible to the visual sense of paper filling, part of the cells need to be hidden, and the electronic filling is obtained by a user.
After the layout factors are considered, the assessment table is planned uniformly, and page layout is quantized according to standards, so that the assessment table meets the archiving requirement, and meets the use habit of a user, and the overall appearance is attractive. Meanwhile, in order to reduce non-uniformity caused by the difference of filling habits, universal dates, check boxes, menu lists and the like in the form are uniformly defined, and manual filling is replaced by a point selection/check mode, so that the tedious process of filling is omitted, and the uniformity of formats is ensured.
On the basis of the above, bookmarks are inserted into cells which need to be interacted with in the text. Bookmarks should be defined and named by classification in a unified way, and bookmark categories should at least contain basic information (participating units, contracts, segments, WBS divisions, etc.), signatures, time, key data (number of detection points, number of pass points, pass rate), and rating conclusions (unqualified, pass, good), etc.
Because the C/S architecture has long development period and long modification time, and can not meet the requirement of changing at any time on site, the invention adopts the webpage end B/S architecture to carry out system lightweight design. The user can fill after the environment configuration is carried out on a general browser without installing special client software.
Under the B/S architecture, a user performs a filling operation in a browser. Because the electronic form has the problems of long development period, high development cost, risk of archiving 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 is independent of a specific programming language and a specific running environment, 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, so that the assessment list control can be embedded in the browser. The rating table control is an OLE rating table container, so that word rating tables can be embedded into a browser and interaction and other operations can be realized by using the ActiveX control.
2. Evaluation chart coding design
And uniformly defining engineering codes, wherein the engineering codes comprise engineering division codes, evaluation table template codes, evaluation table instance codes and acceptance unit instance codes.
1) And (5) engineering partition coding. Defining engineering, label segment, unit engineering, part, subsection engineering, acceptance unit name and coding rule. The fields such as engineering, punctuation and the like generally need to be added with extension fields to store relevant information such as contracts and responsible persons (units).
2) And (5) encoding the rating table template. The codes of engineering, label segment, sub engineering and the like are consistent with the engineering division, and the codes of sequence number, service class, construction time sequence, circulation type and the like are defined. The system can adopt a mode of encoding the rating table template or associating the extension fields to endow the template with basic attribute information so as to drive the subsequent various services.
3) And (5) encoding the evaluation table instance. The rating table instance is a copy that the system generates using the rating table template based on user configuration information. After the user completes the configuration of the evaluation list of the unit engineering, the system establishes the association relation between the unit engineering and the template of the evaluation list and generates a complete set of evaluation list examples of the unit engineering. The rating table instance code needs to contain (or associate with the extension field) information such as engineering partition code, rating table template code, instance table cycle type, instance table cycle number, etc.
4) Acceptance unit instance encoding. Its code covers parent, root and flow attributes. The father node comprises a unit engineering code, a part code, a subsection engineering code and a subsection engineering code; the root node comprises an acceptance unit name, an acceptance unit universal code, an evaluation list instance path and name, an accessory path, an accessory serial number and an accessory type; the flow attributes include start time, end time, assessment result, circulation node attributes (responsible person, time), archive status.
3. Signature making
The signature is produced by the steps of signature picture collection processing and electronic signature generation. The signature information includes seal information and signature information. The seal information contains header information, signature flag, attribute information, signature picture information, and the like. The signature information includes a seal maker certificate, a signature flag, and a signature value.
The signature picture information adopts a professional signing edition to collect the urgency of the user signature, so as to form the biological characteristic information of the user signature. In order to keep consistency with handwriting signature and paper seal, the seal size is uniformly defined. Wherein, signature size: 80 x 30, 96dpi, hollowed out, png format; stamp size: 151 x 151, 96dpi, hollowed out, png format.
Besides the signature picture, the rest signature information is provided by an electronic signature system, namely a signature server, in the signature manufacturing process. The electronic signature system is based on a PKI (public key infrastructure) architecture, and a provider of the electronic signature system must be authenticated by a digital authentication center. The manufacturing process of the electronic signature is that the identity of the signature user is checked, the signature picture is processed, and the electronic signature information is integrated and packaged. The generation of the electronic signature depends on the electronic signature server. The provider of the electronic signature system must be authenticated by a digital authentication center. When the electronic signature is generated, header information, 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 complete interactive application, and the IE browser can be used as an ActiveX container, the action interaction such as editing, storing, signing and the like of the office evaluation form can be realized at the web end by adopting an ActiveX evaluation form control.
In order to facilitate the viewing of signature key information on a user interface, a mouse suspension event is set, and key information such as signature signing time, signature user and the like can be displayed when a mouse is hovered over the signature. Since the signature information is stored in a packaged mode, the signature information can be displayed in an off-line state.
When the user signs the rating table, the computer processes the rating 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 used as an attribute to be attached to the electronic signature, and meanwhile, 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 signing time, signature user and the like can be displayed when the mouse is hovered over the signature.
When the receiving party receives the rating table information, the public key is used for decrypting the encrypted document abstract and comparing the encrypted document abstract with the document abstract before encryption. If the two are the same, the assessment table is not modified and is trusted. Otherwise, it indicates that the rating table is not authentic, while the system marks the signature significantly in the form of a color bar.
4. Evaluation form authority control
To ensure compliance of the electronic assessment service, a management flow is defined for the assessment service to constrain the reporting, modification and archiving of the assessment data. The starting application is set, and the construction unit needs to be subjected to approval by the supervision unit before the data is filled, so that the early filling of the acceptance data is avoided. Setting audit returns, applying for users with authority when the users need to modify or supplement rated data, re-filling after approval, and providing system records for the audit modifications. Through the management flow, compliance in the assessment business flow is ensured.
And establishing a permission control relation between the user roles and the flow nodes, and realizing permission custom control of the roles on the read-write, read-only and invisible evaluation tables of different nodes.
Dividing the unit cell in the evaluation table template into an editable area and a non-editable area, controlling the editing authority of the editable area according to the user role, ensuring that the standard template is not modified, and simultaneously, flexibly filling modification data according to the authority by the user.
5. Evaluation form flow control
The quality assessment bottom layer business starts to establish various roles including a plurality of participants such as owners, surveys, designs, proctories, contractors and the like. And establishing different multi-node multi-role business process examples for different forms according to the regulation of the evaluation business in the quality acceptance specification, and summarizing to form an evaluation business process set covering all the evaluation forms. When the user performs the filling and reporting circulation of the form, the system layer has defined the corresponding relation between the flow nodes and the roles, namely the nodes before and after the system layer are matched with the corresponding approval roles, and the user can only perform the filling and reporting circulation according to the specified flow.
And defining a matching relation between the flow node and the evaluation table template code by adopting an Activity engine, and realizing automatic inheritance application of the evaluation table instance code to the flow node.
6. Evaluation form information interaction
The embedded office software of the terminal is utilized to carry out quality inspection on site by utilizing a windows tablet and directly fill in acceptance data, the data is immediately uploaded to a server, the obtained filling mode is efficient and convenient, and the real-time data interaction mode is safe and stable. The anchor point technology is utilized to realize the interaction of the data inside and outside the evaluation list, and basic information such as the building units, engineering division and the like is automatically filled into the list head, so that the filling workload and filling errors are reduced. Meanwhile, the filling interface is an office interface, so that a user can quickly get up, additional adaptation on the filling interface and filling operation is not needed, and quick up is facilitated.
7. Seal interaction
When signing on line, the system acquires the signer certificate from the signing server and verifies the validity of the signer certificate, and after verification, the system invokes the electronic signature and verifies the data compliance, signature value, signer certificate validity, electronic seal validity period and the like of the electronic signature. And after the verification is passed, extracting a file abstract by adopting a national encryption algorithm to serve as digital signature content, and assembling signature data for the evaluation list content. Finally, the system packages the electronic signature version information, seal information, signature time and other information to form electronic signature data, and adds a timestamp to seal the information into the file.
When EKEY is used for signing, since the signer certificate is contained in EKEY, the signer certificate can be directly obtained from EKEY and verified, and the rest of the signing logic is basically the same as described above.
Because the signature is self-contained and self-described in format, key information such as signature signing time, signature user and the like can be displayed when a mouse hovers over the signature by setting a mouse hover event. Meanwhile, the signature information is stored in a packaged mode, and the signature information can be displayed in an off-line state.
8. Assessment list information protection
The evaluation list information protection comprises two parts of flow control and signature protection.
In the process, as the authority control relation between the user roles and the process nodes is established, the authority of different roles for reading and writing, read-only and invisible to the evaluation list in different nodes is controlled. In signature protection, after the user performs electronic signature, the integrity of the signature or signature file can be verified. The system verifies the certificate of the electronic signature to ensure the validity of the signature file. And (3) carrying out public key decoding on the digital signature content and the sub-signature data, analyzing the information such as the original text to be verified, the electronic signature information, the signer certificate, the time stamp and the like, comparing with the correct decoding information provided by the signature server, and if the information is consistent, indicating that the signature is valid and not modified in the circulation process, wherein the validity of the signature and the signature evaluation table can be prompted in the signature interaction of the mouse hovering. When the post-signature evaluation list is modified and signature verification fails, the signature is displayed in a gray bar, and meanwhile, signature interaction can also prompt a user that the post-signature evaluation list is modified and the evaluation list is not trusted. Word evaluation tables can be embedded in a browser through an ActiveX technology, and interaction of evaluation table contents is achieved through anchor point technology and the like. Besides filling in contents, signature and seal operation is needed to be carried out on the evaluation form so as to realize electronic protection of the evaluation form. Signature information is basically contained in signature pictures as objects to be embedded in word evaluation tables by referring to the current standard requirements of electronic signatures and the signature technology on the market. Therefore, the anchor point technology can also be adopted, the electronic signature is embedded into the evaluation table, and signature verification is carried out through the related control.
The document abstract is a character string formed by compressing and mapping a document by a certain algorithm. The rating table is also stored in the form of a character string, and a hash algorithm is used for compressing and mapping the character string, so that messages with any length can be compressed to a message abstract with a certain fixed length, namely a document abstract.
The document protection is mainly based on an encryption algorithm, and two processes of encryption and decryption are needed in the encryption algorithm, namely a public key and a private key are needed. 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 authentication of encryption reliability of the public and private key pair generated by the server.
When the user signs the rating table, the computer processes the rating table by adopting a hash algorithm to obtain a character string, namely a document abstract. Meanwhile, the character string is encrypted by adopting the private key of the user, and the encrypted information is used as an attribute to be attached to the digital signature.
The public key is used by the recipient when receiving the rating table information.
The encrypted document digest is decrypted and compared with the document digest before encryption. If the two are the same, the assessment table is not modified and is trusted. Otherwise, it indicates that the rating table is not authentic.
9. Assessment data archive handoff
The evaluation table obtained by the method is an office format file with signature verification, and the file has the characteristics of self-contained file, self-description format, unbound software and hardware, support of a technical authentication mechanism and the like. The source file is in doc format, the text information contained in the converted pdf file accords with natural reading sequence, the extraction of data subsets (page segmentation, text string extraction, image extraction and the like) is supported, the full text retrieval function is supported, the file comprises font description information of all fonts or embedded font program information, the information comprises raster images, vector graphics, color information and the like which need to be presented, the file fixedly presents pages, chapters, paragraphs, fonts, graphics, images, colors and the like of the file, the presentation effect is not changed due to the change of a software platform and reading software, and the requirement of electronic file archiving is met.
Meanwhile, the method provides a protected doc calling API, a pdf file calling API, an automatic grouping and sorting API, a custom file number, a file number and other APIs, realizes the functions of automatically completing the automatic classification, the file grouping, the typesetting, the numbering, the archiving and the like of the assessment list data, and can be in butt joint with other business systems.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (9)
1. The engineering quality assessment system design method based on the electronic file trusted technology is characterized by comprising the following steps of:
step one, manufacturing an evaluation list template: uniformly planning the evaluation table, and carrying out quantization processing on the table format;
step two, designing evaluation table codes: uniformly defining engineering codes;
step three, signature is manufactured, which comprises signature picture acquisition processing and electronic signature generation;
step four, setting the authority of the evaluation list: defining a management flow for the assessment business to restrict the reporting, modification and archiving of assessment data, and establishing an authority control relationship between user roles and flow nodes;
step five, rating table circulation control: different multi-node multi-role business process examples are established for different forms in combination with the provision of assessment business in the quality acceptance specification;
step six: the information interaction of the evaluation list is realized, the anchor point technology is utilized to realize the automatic filling of basic information of the evaluation list, and when the terminal embedded office software is adopted to fill, the data is uploaded to a server in real time;
step seven: signature interaction: calculating a hash value of the current evaluation list by adopting a hash algorithm, storing the hash value in the electronic signature, and automatically positioning the signature to a corresponding position of the evaluation list by an anchor point technology;
Step eight: and (3) protecting evaluation table information: verifying the integrity of the signature or signature file;
step nine: assessment data archive handoff: automatically completing the functions of automatic classification, winding, typesetting, numbering and archiving of the assessment list data, and interfacing with other business systems;
in the third step, the first step is performed,
the signature information comprises seal information and signature information; the seal information comprises header information, a signature mark, attribute information and signature picture information; the signature information comprises a seal maker certificate, a signature mark and a signature value;
except for signature pictures, other signature information is provided by an electronic signature system in the process of signature manufacture; the electronic signature system is based on a public key infrastructure system, and a provider of the electronic signature system has to be authenticated by a digital authentication center; the manufacturing process of the electronic signature is a process of identity examination of a signature user, processing of signature pictures and integrated packaging of electronic signature information; the generation of the electronic signature depends on an electronic signature server; when the electronic signature is generated, generating header information, a signature mark, attribute information, signature picture information, a seal maker certificate, a signature mark and a signature value together with the signature picture;
The IE browser is used as an ActiveX container, and an ActiveX evaluation form control is adopted to edit, store and sign an office evaluation form at a web end;
in the fifth step, the first step is to carry out the process,
the quality evaluation bottom layer business starts, and various roles including owners, investigation, design, supervision and contractor multiple participants are established; different multi-node multi-role business process examples are established for different forms in combination with the provision of the evaluation business in the quality acceptance specification, and an evaluation business process set covering all the evaluation forms is formed in a summarizing way; when the user performs the filling and reporting circulation of the form, the system layer has defined the corresponding relation between the flow nodes and the roles, namely the front and back nodes and the corresponding approval roles are matched, and the user can only perform the filling and reporting circulation according to the specified flow;
defining a matching relation between the flow node and the evaluation table template code by adopting an Activity engine, and realizing automatic inheritance application of the evaluation table instance code to the flow node;
in the sixth step, the first step is performed,
the terminal embedded office software is utilized to carry out quality inspection on site by utilizing windows flat plates, inspection data are directly filled in, and the data are immediately uploaded to a server; the anchor point technology is utilized to realize the interaction of the data inside and outside the evaluation list, and the basic information of the construction units and the engineering division is automatically filled into the list head; the filling interface is an office interface;
In the seventh step, the first step is performed,
when in online signature, the system acquires a signer certificate from a signature server and verifies the validity of the signer certificate, invokes the electronic signature after verification, and verifies the data compliance, signature value, signature making certificate validity and electronic seal validity period of the electronic signature; after verification, extracting a file abstract as digital signature content by adopting a national encryption algorithm, and assembling signature data for the evaluation list content; finally, the system packages the electronic signature version information, the seal information, the signature information and the signature time information to form electronic signature data, and adds a timestamp to seal the information into a file;
when EKEY is adopted for signing, a signature certificate is directly obtained from the EKEY and verified;
the signature is self-contained and self-described in format, and by setting a mouse suspension event, signature signing time and signature user key information are displayed when a mouse hovers over the signature; the signature information is stored in a packing way, and the signature information is displayed in an off-line state;
in the step eight, the step of,
verifying the validity of the certificate of the electronic signature; public key decoding is carried out on the digital signature content and the digital signature data of the electronic signature, the original text, signature information, a seal maker certificate and a time stamp to be verified are analyzed, and the digital signature content and the digital signature data are compared with correct decoding information provided by an electronic signature system, if the information is consistent, the electronic signature is effective and is not modified in the circulation process; prompting the validity of a signature and a signature evaluation table of a user in signature interaction hovered by a mouse;
When the post-signature evaluation list is modified and signature verification fails, the signature is displayed in a gray bar, and meanwhile, the user is prompted by signature interaction to modify the post-signature evaluation list, so that the evaluation list is not trusted; embedding word evaluation tables into a browser through an ActiveX technology, and realizing interaction of evaluation table contents through an anchor point technology; besides filling in the content, signature and seal operation is needed to be carried out on the evaluation table so as to realize electronic protection of the evaluation table; embedding the electronic signature into the evaluation table by adopting an anchor point technology, and performing signature verification through a related control;
the document abstract is a character string formed by compressing and mapping a document through a certain algorithm; the evaluation table is also stored in a computer in the form of character strings, the character strings are compressed and mapped by adopting a hash algorithm, and messages with any length are compressed to a message abstract with a certain fixed length, namely a document abstract;
the document protection is based on an encryption algorithm, wherein the encryption algorithm comprises an encryption process and a decryption process, and a public key and a private key are needed; each private key has a corresponding public key from which the private key cannot be deduced; the public and private key pair is generated by a server with CA authentication, and the authentication mechanism is authentication on encryption reliability of the public and private key pair generated by the server;
When the receiving party receives the evaluation list information, the public key is used for decrypting the encrypted document abstract and comparing the encrypted document abstract with the document abstract before encryption; if the two are the same, the assessment table is not modified and is trusted; otherwise, the assessment list is not trusted;
in the step nine of the method,
the obtained evaluation table is an office format file with signature verification; the source file is in doc format, the text information contained in the converted pdf file accords with natural reading sequence, the functions of extracting data subsets and full text retrieval are supported, the file comprises font description information of all fonts or embedded font program information, the font description information comprises raster images, vector graphics and color information, the file fixedly presents file pages, chapters, paragraphs, fonts, graphics, images and colors, and the presentation effect is not changed due to the change of software and hardware platforms and reading software.
2. The engineering quality assessment system design method based on the electronic file trusted technology according to claim 1, wherein the engineering quality assessment system design method is characterized by comprising the following steps of: dividing the assessment table into three major plates, namely a standardized table head, a table filling part and a table tail of an explicit flow; setting page margins according to filing requirements, and defining fonts, font sizes, word intervals, cell heights, cell lengths, line intervals and empty lines in the table; on the basis of the above, the bookmarks related in the rating table are uniformly defined and named and inserted into corresponding positions in the rating table.
3. The method for designing a project quality assessment system based on electronic document trusted technology according to claim 2, wherein in the second step, the project code includes project division code, assessment table template code, assessment table instance code and acceptance unit instance code.
4. The method for designing a project quality assessment system based on electronic document trusted technology as claimed in claim 3, wherein in the third step, the signature information includes seal information and signature information; the seal information comprises header information, a signature mark, attribute information and signature picture information; the signature information comprises a seal maker certificate, a signature mark and a signature value;
the signature picture information adopts a signature board to collect the urgency of a handwritten signature of a user, form the biological characteristic information of the signature of the user and uniformly define the size of the signature; except for the signature picture, other signature information is provided by the electronic signature system in the signature manufacturing process;
processing the collected handwritten signature into an electronic signature comprising attribute information, signature pictures, signature marks and signature values through an electronic signature system authenticated by a digital authentication center; and (3) carrying out identity examination on the signed user, processing the signed picture and integrating and packaging the electronic signature information.
5. The method for designing engineering quality assessment system based on electronic file trusted technology as claimed in claim 4, wherein the signature information is dynamically embedded into the assessment table by anchor point technology, and the information in the assessment table is extracted and applied outside the assessment table; and uniformly defining and classifying the bookmark in the evaluation list, wherein the bookmark type at least comprises basic information, signature, time, key data and evaluation conclusion.
6. The method for designing an engineering quality assessment system based on electronic file trusted technology according to claim 4, wherein the method comprises the following steps: the project division coding is used for coding each level of nodes of the project division so as to realize the structured storage of project information management objects; according to specific engineering requirements, the method comprises engineering, marking, unit engineering, parts, subsection engineering and acceptance unit; wherein the engineering and punctuation fields are added with extension fields to store contract and responsible person unit information;
the evaluation form template coding refers to the configuration of the following attributes for the evaluation form template according to the specific engineering requirement: engineering, marking, sub-engineering, sequence number, service class, construction time sequence and circulation type; adopting a mode of encoding the evaluation form template or associating the extension fields, and endowing basic attribute information for the template so as to drive the subsequent various services;
The evaluation table instance codes comprise engineering division codes, evaluation table template codes, instance table cycle types and instance table cycle serial numbers;
acceptance unit instance code includes:
parent node: unit engineering coding, position coding, subsection engineering coding and subsection engineering coding;
root node: the name of the acceptance unit, the universal code of the acceptance unit, the path of the evaluation list instance, the name, the path of the attachment, the serial number of the attachment and the type of the attachment;
flow attributes: start time, end time, assessment results, flow node attributes, archive status.
7. The method for designing engineering quality assessment system based on electronic file trusted technology as claimed in claim 4, wherein step four includes establishing correspondence between users and benchmarks, units, parts, branches, acceptance units, implementing implicit control of interface contents of different user systems, and corresponding authority control of users on management;
establishing authority control relation between a user role and a flow node, and realizing authority self-defined control of the roles on the read-write, read-only and invisible authority of the assessment table in different nodes;
dividing the unit cell in the evaluation table template into an editable area and a non-editable area, controlling the editing authority of the editable area according to the user role, ensuring that the standard template is not modified, and simultaneously flexibly filling modification data according to the authority by the user.
8. The engineering quality assessment system design method based on the electronic file trusted technology as claimed in claim 2, wherein the fifth step comprises the control of business processes and management processes;
business flow: starting from the quality assessment bottom layer business, establishing various roles including owners, investigation, design, supervision and contractor multiple participants; different multi-node multi-role business process examples are established for different forms in combination with the provision of the evaluation business in the quality acceptance specification, and an evaluation business process set covering all the evaluation forms is formed in a summarizing way;
the management flow comprises the following steps: defining a management flow for the assessment business to restrict the reporting, modification and archiving of assessment data in order to ensure compliance of the electronic assessment business; setting a starting application, wherein a construction unit needs to be subjected to approval by a supervision unit before the information is filled, so that early filling of acceptance information is avoided; setting audit returns, applying for users with authority when the users need to modify or supplement rated data, re-filling after approval, and providing system records for the audit modifications; through the management flow, compliance on the business flow is ensured to be assessed;
And defining a matching relation between the flow node and the evaluation table template code by adopting an Activity engine, and realizing automatic inheritance application of the evaluation table instance code to the flow node.
9. The engineering quality assessment system design method based on the electronic file trusted technology according to claim 2, wherein the archiving requirement of the electronic assessment table meets the relevant national and industrial specifications, the file provides the Microsoft Word assessment data source file and the corresponding PDF file protected by electronic signature, the text information contained in the file accords with the natural reading sequence, the extraction data subset is supported, the full text retrieval function is supported, the file comprises font description information of all fonts or embedded font program information, the font description information comprises raster images, vector graphics and color information, the file fixedly presents file pages, chapters, paragraphs, fonts, graphics, images and colors, the presentation effect is not changed due to the change of software and hardware platforms and reading software, and the electronic file archiving requirement is met;
meanwhile, a doc calling application program interface is provided for protection, a pdf file calling application program interface is provided, an automatic grouping and sorting application program interface is provided, an application program interface for self-defining file numbers and file numbers is provided, and the functions of automatically sorting, grouping, typesetting, numbering and archiving the assessment list materials are automatically completed and the assessment list materials are in butt joint with other service systems.
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