CN116805261A - Public purchasing digital transaction management system - Google Patents
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- CN116805261A CN116805261A CN202311070064.4A CN202311070064A CN116805261A CN 116805261 A CN116805261 A CN 116805261A CN 202311070064 A CN202311070064 A CN 202311070064A CN 116805261 A CN116805261 A CN 116805261A
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- 238000012795 verification Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 21
- 238000007781 pre-processing Methods 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 10
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0611—Request for offers or quotes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
Abstract
The invention provides a public purchasing digital transaction management system, which comprises a release module, a receiving module and a signing module; the system comprises a release module, a display module and a display module, wherein the release module is used for acquiring purchasing bid information released by a user of a demand party, verifying the acquired bid information, and displaying the acquired purchasing bid information after verification is passed; wherein the bidding information comprises identification numbers, bidding subjects, bidding projects and the like; the receiving module is used for acquiring bidding information of the provider user and transmitting the acquired bidding information to the corresponding user of the demander; the bidding information of the provider user is the bidding information which is produced by the provider user according to the purchasing bidding information; the signing module is used for providing online signing service for the two parties after the user of the demand party and the user of the winning supplier reach an agreement; wherein winning supplier users are selected by the requesting party based on the acquired bid information. The invention is beneficial to improving the standardization and information interaction level of public purchasing.
Description
Technical Field
The invention relates to the technical field of digital transaction management, in particular to a public purchasing digital transaction management system.
Background
At present, public purchasing of enterprises, public organizations and the like is mostly carried out in a public bidding mode, bidding information needing public purchasing is released to attract the enterprises to bid, and the enterprises which finally need cooperation are selected according to specific bidding information to finish the bidding of the public purchasing.
In the prior art, most of the public purchasing bidding information release modes of bidding parties are performed in a official network or off-line public mode, the traditional bidding information release mode has limitations, enterprises are not easy to acquire bidding information, the enterprises need to acquire bidding information through different channels to complete bidding, and meanwhile, the standardization of public purchasing is also difficult to monitor; the signer also can not perform centralized management on each public purchasing item when the public purchasing item is increased because the published signer information is not effectively transmitted, so that the public purchasing is difficult to complete.
Disclosure of Invention
In view of the foregoing, the present invention is directed to a public procurement digital transaction management system.
The aim of the invention is realized by adopting the following technical scheme:
the invention provides a public purchasing digital transaction management system which comprises a release module, a receiving module and a signing module; wherein, the liquid crystal display device comprises a liquid crystal display device,
the issuing module is used for acquiring purchasing bidding information issued by a user of a demand party, verifying the acquired bidding information, and displaying the acquired purchasing bidding information after the verification is passed; wherein the bidding information comprises identification numbers, bidding subjects, bidding projects and the like;
the receiving module is used for acquiring bidding information of the provider user and transmitting the acquired bidding information to the corresponding user of the demander; the bidding information of the provider user is the bidding information which is produced by the provider user according to the purchasing bidding information;
the signing module is used for providing online signing service for the two parties after the user of the demand party and the user of the winning supplier reach an agreement; wherein winning supplier users are selected by the requesting party based on the acquired bid information.
Preferably, the system further comprises a user management module;
the user management module is used for managing the identity information of the system user, including verifying the registration information of the system user and verifying the identity information of the system user, and allowing the system user to log in the management system after the verification is passed; the system users comprise a user of a demand party and a user of a provider.
Preferably, the system further comprises a data encryption module;
the data encryption module is used for encrypting and transmitting the received bidding information of the provider user and transmitting the encrypted bidding information to the user of the demand party.
Preferably, the system further comprises an ac module;
the communication module is used for on-line communication between the provider user and the consumer user aiming at the content of the bidding information.
Preferably, the release module comprises a verification unit and a display unit;
the verification unit is used for verifying the integrity and the legality of the purchase bidding information after receiving the purchase bidding information issued by the user of the demand party, verifying whether the purchase bidding information is complete and clear and meets the regulations, and obtaining a purchase bidding information verification result;
and the display unit is used for publishing and displaying the purchase bid information after the purchase bid information passes verification, so that a supplier user can acquire the purchase bid information subjected to the publishing and displaying through the display unit.
Preferably, the signing module comprises a file acquisition unit, a video signing unit and a file scanning unit;
the file acquisition unit is used for acquiring an agreement file agreed by the user of the requiring party and the user of the provider and displaying the agreement file;
the video signing unit is used for providing videos of the user of the demand party and the user of the provider through connection in the process of online signing of the user of the demand party and the user of the provider, and recording and archiving signing video images in the signing process; the signing video image is acquired by a demand side terminal and a provider terminal in the online signing process;
the document scanning unit is used for acquiring scanned signing documents after signing the agreement documents by the user of the requiring party and the user of the provider, transmitting the scanned signing documents to the other party, scanning the signed documents and transmitting the scanned documents to the two parties; the scanned signature file is obtained by shooting the signature file by the client terminal and the provider terminal.
Preferably, the document scanning unit includes a preprocessing unit, and the preprocessing unit is used for enhancing the scanned signature document, so as to improve the image definition of the scanned signature document.
Preferably, the data encryption module includes a first encryption unit;
the first encryption unit is used for acquiring a private encryption key provided by a user of a demand party, and transmitting the private encryption key corresponding to the user of the demand party to the user of the provider when a bid request is initiated by the user of the provider to bid information of the user of the demand party, so that the user of the provider encrypts a bid file by using the private encryption key.
The beneficial effects of the invention are as follows: the invention provides a public purchasing digital transaction management system, wherein a management platform is used for carrying out centralized management on bidding parties and bidding enterprises of public purchasing, carrying out unified release on public bidding information, facilitating effective information interaction between supplier users and demand party users, facilitating cooperation of the public purchasing parties, simultaneously carrying out centralized management on the whole process of public purchasing, and improving standardization of public purchasing.
The transaction management system also provides online signing service, and completes the agreement signing of the public purchasing partner and parties in an online signing mode, thereby being beneficial to standardizing the cooperation flow and improving the public purchasing transaction management level.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a block diagram of a public procurement digital transaction management system of the invention.
Detailed Description
The invention is further described in connection with the following application scenario.
Referring to fig. 1, an embodiment of a public procurement digital transaction management system includes a publishing module, a receiving module and a signing module; wherein, the liquid crystal display device comprises a liquid crystal display device,
the issuing module is used for acquiring purchasing bidding information issued by a user of a demand party, verifying the acquired bidding information, and displaying the acquired purchasing bidding information after the verification is passed; wherein the bidding information comprises identification numbers, bidding subjects, bidding projects and the like;
the receiving module is used for acquiring bidding information of the provider user and transmitting the acquired bidding information to the corresponding user of the demander; the bidding information of the provider user is the bidding information which is produced by the provider user according to the purchasing bidding information;
the signing module is used for providing online signing service for the two parties after the user of the demand party and the user of the winning supplier reach an agreement; wherein winning supplier users are selected by the requesting party based on the acquired bid information.
According to the embodiment, the public purchasing digital transaction management system is provided, the management platform is used for carrying out centralized management on bidding parties and bidding enterprises of public purchasing, carrying out unified release on public bidding information, facilitating effective information interaction between provider users and demand party users, facilitating cooperation of both public purchasing parties, simultaneously carrying out centralized management on the whole process of public purchasing, and improving standardization of public purchasing. The bid information of the public purchasing items is classified and managed in a digital mode, so that the management level of independent management of different public purchasing items by a demand party is improved.
The transaction management system also provides online signing service, and completes the agreement signing of the public purchasing partner and parties in an online signing mode, thereby being beneficial to standardizing the cooperation flow and improving the public purchasing transaction management level.
The digital transaction management system can be built based on a cloud platform or a special server, a user of a demand party logs in the system through a terminal of the demand party, and a user of a provider logs in the system through a terminal of the provider. The demand side terminal and the supplier terminal comprise intelligent equipment such as intelligent mobile phones, computers, special intelligent terminals and the like.
Preferably, the system further comprises a user management module;
the user management module is used for managing the identity information of the system user, including verifying the registration information of the system user and verifying the identity information of the system user, and allowing the system user to log in the management system after the verification is passed; the system users comprise a user of a demand party and a user of a provider.
When the user logs in the transaction management system for the first time, the registration of the user of the requiring party or the user of the provider needs to be completed, meanwhile, the qualification and the authenticity of the user are verified, and when the verification is passed, the registration is completed, so that the public purchasing information release and the authenticity of bidding information are improved.
The qualification and authenticity verification comprises verification of enterprise names and corresponding social codes of the user of the requiring party and the user of the provider, and verification of related information such as the operating range, qualification record information and the like of the enterprise.
Preferably, the system further comprises a data encryption module;
the data encryption module is used for encrypting and transmitting the received bidding information of the provider user and transmitting the encrypted bidding information to the user of the demand party.
In order to improve the privacy of the bidding information and avoid the occurrence of the conditions such as leakage of the bidding information, the system encrypts and transmits the bidding information after acquiring the bidding information of the provider user, so that the system can help to prevent competition caused by the leakage of the bidding information and effectively ensure the privacy security of the provider user.
Preferably, the system further comprises an ac module;
the communication module is used for on-line communication between the provider user and the consumer user aiming at the content of the bidding information.
And an exchange module is also arranged in the system, so that the provider user can directly consult and exchange the bidding information with the demander, and the communication convenience level of the two parties can be improved.
When the provider user needs to consult and exchange with the user of the demand party aiming at the issued bid information, an online text or voice communication request can be initiated with the user of the demand party through the exchange module, and after the user of the demand party receives the communication request, the two parties can carry out online text or voice communication through the exchange module, so that the efficiency and the convenience of the communication of the two parties are improved.
Preferably, the release module comprises a verification unit and a display unit;
the verification unit is used for verifying the integrity and the legality of the purchase bidding information after receiving the purchase bidding information issued by the user of the demand party, verifying whether the purchase bidding information is complete and clear and meets the regulations, and obtaining a purchase bidding information verification result;
and the display unit is used for publishing and displaying the purchase bid information after the purchase bid information passes verification, so that a supplier user can acquire the purchase bid information subjected to the publishing and displaying through the display unit.
When the user of the demand party needs to issue public purchasing bidding information, the bidding document and the bidding information are input into the issuing module, the issuing module performs integrity verification (including official seal verification, verification whether key information is omitted, such as information of bidding main body, project, deadline and the like) and legitimacy verification (such as whether bidding content is legal) on the acquired bidding document and the acquired bidding information, and after the verification is passed, the system issues and displays the bidding information of the user of the demand party through the display unit, and the bidding information after the issuing and displaying can be referred by a provider to finish issuing the bidding information.
For integrity verification, the integrity verification of the related information can be performed according to a preset verification model; aiming at validity verification, verification can be performed in a mode of manual or intelligent keyword detection and the like, so that the currently released public purchasing bidding information is ensured to accord with related laws and regulations.
And after the provider makes a bid file for the proper bid information, the bid file is transmitted to a system through a receiving module, and the system further transmits the bid file to the user of the demand party.
Preferably, the signing module comprises a file acquisition unit, a video signing unit and a file scanning unit;
the file acquisition unit is used for acquiring an agreement file agreed by the user of the requiring party and the user of the provider and displaying the agreement file;
the video signing unit is used for providing videos of the user of the demand party and the user of the provider through connection in the process of online signing of the user of the demand party and the user of the provider, and recording and archiving signing video images in the signing process; the signing video image is acquired by a demand side terminal and a provider terminal in the online signing process;
the document scanning unit is used for acquiring scanned signing documents after signing the agreement documents by the user of the requiring party and the user of the provider, transmitting the scanned signing documents to the other party, scanning the signed documents and transmitting the scanned documents to the two parties; the scanned signature file is obtained by shooting the signature file by the client terminal and the provider terminal.
After the consumer user and the supplier user cooperate with public purchasing, online signing is completed through a signing module, in the process of online signing, an agreement file is firstly transmitted to a file acquisition unit, online signing is started after the two parties are confirmed, in the process of online signing, the process of signing of the two parties is recorded in real time through a video signing unit, the process of signing and signing by a representative person is recorded, and in addition, the signed scanning file is exchanged between the two parties, so that online signing is finally completed.
It should be noted that, the client terminal is an intelligent terminal used by the client user when logging in the transaction management system, and not a fixed intelligent terminal device, and similarly, the provider terminal is an intelligent terminal used by the provider user when logging in the transaction management system, and not a fixed intelligent terminal device.
Preferably, the document scanning unit includes a preprocessing unit, and the preprocessing unit is used for enhancing the scanned signature document, so as to improve the image definition of the scanned signature document.
When the two parties exchange scanned signing files in the online signing process, the condition that the images are unclear is caused by the scanning factors (such as illumination reflection, shadow and the like) (particularly, in the process of exchanging the signing files by the two parties, if the unclear files are scanned again, the unclear degree is further aggravated, and finally the condition that the files are unclear is caused), so that the file scanning unit firstly carries out preprocessing on the scanned images after acquiring the scanned files, improves the definition of the scanned files, and avoids the condition that the signing is invalid or the online signing is abnormal caused by the unclear scanning.
Preferably, the preprocessing unit performs enhancement processing on the scanned signed file, and specifically includes:
converting the scanning image into a gray space aiming at the acquired scanning image of the signed document to obtain a gray space image;
dividing the gray space image into N subareas with equal size by adopting a rectangular area;
performing region definition detection for each sub-region, including:
counting the gray level of each pixel in the subarea to obtain a subarea gray level statistical histogram, wherein the subarea gray level statistical histogram contains the number of the pixels corresponding to each gray level;
counting at least each gray level according to the number of pixel points according to the obtained sub-region gray level statistical histogram; the gray level with the largest number of recording pixels isThe gray level contains a number of pixels denoted +.>Recording the gray level of the second most pixel number as +.>The gray level contains a number of pixels denoted +.>The method comprises the steps of carrying out a first treatment on the surface of the The third highest gray level of the number of recording pixels is +.>The gray level contains a number of pixels denoted +.>……
Carrying out sub-region definition detection according to the obtained sub-region gray level statistical histogram, wherein the adopted definition detection function is as follows:
in the method, in the process of the invention,definition detection factor representing the ith sub-area, < ->、/>And->Respectively representing the gray level with the largest number of pixel points, the second most and the third most obtained according to the sub-region gray statistical histogram;、/>and->Respectively representing gray levels obtained from the sub-region gray statistical histogram>、/>And->The corresponding number of pixels; t1 represents a set quantity threshold, wherein +.>T2 represents a set gray level threshold, wherein +.>；
To detect the factor of definitionMarking the sub-region of (2) as the target sub-region, and adding a sharpness detection factor +.>Is marked as a general subregion;
and performing definition adjustment on the target subarea aiming at the obtained target subarea, wherein the definition adjustment comprises the following steps:
for gray levels in target subregionsPixel dot +.>And carrying out gray scale adjustment, wherein the adopted gray scale adjustment function is as follows:
in the method, in the process of the invention,representing gray-scale-adjusted pixel points>Gray value of +.>And->Respectively representing gray levels +.>And->Is>A gray value span representing each gray level, wherein;/>、/>And->Respectively representing gray levels of the maximum number of pixels, the second most and the third most obtained according to the sub-region gray statistical histogram,>representing pixel dot +.>Gray values of (2); />Representing a set regulatory function, wherein->;/>Representing a sign function；
Re-carrying out sub-region definition detection and definition adjustment again on the target sub-region after gray adjustment until the maximum iteration repetition number or the number of the target sub-regions is 0;
and integrally converting the processed gray space image into an RGB color space to obtain the enhanced scanned file image.
Preferably, the gray space image is divided into subspaces by adopting rectangular areas, wherein the length and width of each subspace are as followsWhere D represents the length-width (pixel) dimension of the scanned image.
Preferably, the statistically derived gray-level histogram comprises 5-10 gray-level spans, for example, when the gray-level span value is 10 and the gray-level value of a pixel is 31, the gray-level of the pixel is；
In the scheme of the traditional scan image enhancement processing, when the local enhancement processing is performed based on image gray information and the like, particularly when the adjustment processing is performed on color part content (such as a seal area or color part contained in a scan file) contained in a scan image, the color part is easily misjudged as a brightness interference part, so that the color content in the image is distorted after the enhancement processing, and when the scan file with image distortion is repeatedly scanned for a plurality of times (for example, the process of mutually signing the file needs to scan the file for a plurality of times), the final scan image (for example, the scan image of the finally signed protocol file) is unclear, and the on-line signing experience is affected. According to the embodiment of the invention, a technical scheme for enhancing a scanned image obtained by specially aiming at a scanned signed file is provided, wherein the scanned image is firstly converted into a gray space, the image is divided into subareas, independent area definition detection is carried out on each subarea, a definition detection function is provided, color content and illumination blurring conditions (uniform change of gray scale of pixel points of the generated area and gray scale override change of the color content can be carried out when illumination blurring) contained in the subarea can be distinguished based on gray level statistics of the subarea, the occurrence of the condition of illumination blurring is accurately detected, and further processing is carried out on the target subarea with the illumination blurring; the invention further provides a method for adjusting the fuzzy pixel points of the target area according to the definition adjusting function, wherein in the adjusting process, the gray level change characteristics of the pixel points affected by the illumination blurring are considered, the pixel points generating the illumination blurring are subjected to iterative gray level adjustment, the gray level sharpening level of the fuzzy illumination pixel points is improved, and therefore the definition of the area affected by the illumination blurring is improved; the sub-regions after iterative detection and processing can effectively eliminate blurring caused by the care factors and influence on definition, effectively improve the definition of images, avoid the influence caused by continuously aggravating the blurring region definition caused by scanning the scanned file for multiple times, and indirectly improve the reliability of online signing of the protocol file.
Preferably, the data encryption module includes a first encryption unit;
the first encryption unit is used for acquiring a private encryption key provided by a user of a demand party, and transmitting the private encryption key corresponding to the user of the demand party to the user of the provider when a bid request is initiated by the user of the provider to bid information of the user of the demand party, so that the user of the provider encrypts a bid file by using the private encryption key.
By means of the method, the bidding document is encrypted, encryption of the bidding document can be carried out according to the encryption key provided by the demander, leakage of bidding information is avoided, information leakage caused by acquiring the bidding document by other users under abnormal conditions is avoided, and safety of bidding document transmission is improved.
It should be noted that, in each embodiment of the present invention, each functional unit/module may be integrated in one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated in one unit/module. The integrated units/modules described above may be implemented either in hardware or in software functional units/modules.
From the description of the embodiments above, it will be apparent to those skilled in the art that the embodiments described herein may be implemented in hardware, software, firmware, middleware, code, or any suitable combination thereof. For a hardware implementation, the processor may be implemented in one or more of the following units: an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, other electronic units designed to perform the functions described herein, or a combination thereof. For a software implementation, some or all of the flow of an embodiment may be accomplished by a computer program to instruct the associated hardware. When implemented, the above-described programs may be stored in or transmitted as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. The computer readable media can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The public purchasing digital transaction management system is characterized by comprising a release module, a receiving module and a signing module; wherein, the liquid crystal display device comprises a liquid crystal display device,
the issuing module is used for acquiring purchasing bidding information issued by a user of a demand party, verifying the acquired bidding information, and displaying the acquired purchasing bidding information after the verification is passed; wherein the bidding information comprises an identification number, a bidding subject and a bidding project;
the receiving module is used for acquiring bidding information of the provider user and transmitting the acquired bidding information to the corresponding user of the demander; the bidding information of the provider user is the bidding information which is produced by the provider user according to the purchasing bidding information;
the signing module is used for providing online signing service for the two parties after the user of the demand party and the user of the winning supplier reach an agreement; wherein winning supplier users are selected by the requesting party based on the acquired bid information.
2. The public procurement digital transaction management system of claim 1 characterized by further comprising a user management module;
the user management module is used for managing the identity information of the system user, including verifying the registration information of the system user and verifying the identity information of the system user, and allowing the system user to log in the management system after the verification is passed; the system users comprise a user of a demand party and a user of a provider.
3. The public procurement digital transaction management system of claim 1 characterized by further comprising a data encryption module;
the data encryption module is used for encrypting and transmitting the received bidding information of the provider user and transmitting the encrypted bidding information to the user of the demand party.
4. The public procurement digital transaction management system of claim 1 characterized by the fact that the publication module comprises a verification unit and a presentation unit;
the verification unit is used for verifying the integrity and the legality of the purchase bidding information after receiving the purchase bidding information issued by the user of the demand party, verifying whether the purchase bidding information is complete and clear and meets the regulations, and obtaining a purchase bidding information verification result;
and the display unit is used for publishing and displaying the purchase bid information after the purchase bid information passes verification, so that a supplier user can acquire the purchase bid information subjected to the publishing and displaying through the display unit.
5. The public procurement digital transaction management system of claim 1 characterized by the fact that the subscription module comprises a file acquisition unit, a video subscription unit and a file scanning unit;
the file acquisition unit is used for acquiring an agreement file agreed by the user of the requiring party and the user of the provider and displaying the agreement file;
the video signing unit is used for providing videos of the user of the demand party and the user of the provider through connection in the process of online signing of the user of the demand party and the user of the provider, and recording and archiving signing video images in the signing process; the signing video image is acquired by a demand side terminal and a provider terminal in the online signing process;
the document scanning unit is used for acquiring scanned signing documents after signing the agreement documents by the user of the requiring party and the user of the provider, transmitting the scanned signing documents to the other party, scanning the signed documents and transmitting the scanned documents to the two parties; the scanned signature file is obtained by shooting the signature file by the client terminal and the provider terminal.
6. The public procurement digital transaction management system of claim 5 characterized by the fact that the document scanning unit comprises a preprocessing unit for enhancing the scanned endorsement document to improve the image clarity of the scanned endorsement document.
7. A public procurement digital transaction management system according to claim 3, characterized by the data encryption module comprising a first encryption unit;
the first encryption unit is used for acquiring a private encryption key provided by a user of a demand party, and transmitting the private encryption key corresponding to the user of the demand party to the user of the provider when a bid request is initiated by the user of the provider to bid information of the user of the demand party, so that the user of the provider encrypts a bid file by using the private encryption key.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117592458A (en) * | 2024-01-19 | 2024-02-23 | 辽宁省网联数字科技产业有限公司 | Digital bidding document blind box analysis method and system based on artificial intelligence |
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