CN115525609B - Data exchange platform and method based on electronic file and electronic archive - Google Patents
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Abstract
The invention provides a data exchange platform and a method based on electronic files and electronic files, wherein the platform comprises a first acquisition module, a second acquisition module and a data exchange module, wherein the first acquisition module is used for acquiring electronic files stored by preset service nodes at fixed time and acquiring service node information of the service nodes at the same time; the generating module is used for generating first exchange data corresponding to the service node based on the electronic file and the service node information; the second acquisition module is used for acquiring second exchange data pre-received by the archive node; the exchange verification module is used for carrying out exchange verification on the second exchange data according to the first exchange data based on the time stamp technology and the digital digest technology; according to the data exchange platform and method based on the electronic file and the electronic archive, the first exchange data is automatically generated, manual acquisition is not needed, and labor cost is reduced; and verifying the second exchange data received by the archive node, and if the second exchange data passes the exchange verification, performing corresponding data exchange, thereby improving the integrity, the authenticity and the security of the data exchange.
Description
Technical Field
The present invention relates to the field of data exchange systems, and in particular, to a data exchange platform and method based on electronic files and electronic files.
Background
At present, most of archive products in the market need to be manually maintained, the labor cost is high, in addition, in the process of butting the business system and the archive system data, a butting mode of an intermediate library and a database is basically adopted, and the data in butting exchange are not reasonably verified, so that the usability is low [ for example: data may be lost during the data exchange process, resulting in incomplete data exchange, and the data exchange process is vulnerable to virus attack [ for example: illegal cracking and tampering, the authenticity of the exchanged data is low and not safe enough.
Thus, a solution is needed.
Disclosure of Invention
The invention provides a data exchange platform based on electronic files and electronic archives, which automatically generates first exchange data based on acquired service node information and electronic files stored by service nodes, does not need manual acquisition, and greatly reduces labor cost; and verifying the second exchange data received by the archive node, and if the second exchange data passes the exchange verification, performing corresponding data exchange, thereby improving the integrity, the authenticity and the security of the data exchange.
The invention provides a data exchange platform based on electronic files and electronic archives, comprising:
a first acquisition module: the method comprises the steps of acquiring an electronic file stored by a preset service node at fixed time, and acquiring service node information of the service node at the same time;
the generation module is used for: the first exchange data corresponding to the service node is generated based on the electronic file and the service node information;
the second acquisition module is used for acquiring second exchange data pre-received by the archive node;
exchange verification module: the method comprises the steps of performing exchange verification on second exchange data according to first exchange data based on a time stamp technology and a digital digest technology;
and (3) an exchange module: for performing a corresponding data exchange if the exchange verification is passed.
Preferably, the first acquisition module performs the following operations:
acquiring a device topology diagram of a service node, and determining at least one digital device to be read from the device topology diagram;
determining a device type of the digital device;
inquiring a preset equipment type-reading mode library, and determining a reading mode of the equipment type;
reading the stored electronic file of the digital equipment based on a reading mode;
and acquiring the node ID of the service node, determining node information consistent with the node ID from a preset node information base, and taking the node information as the service node information.
Preferably, the exchange verification module performs the following operations:
determining the credibility of the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
performing reliability verification on the reliability to obtain a first verification result;
determining availability of the second exchange data based on the first exchange data and the second exchange data;
performing availability verification on the availability to obtain a second verification result;
and if the first verification result and the second verification result are both verified, the second exchange data is verified.
Preferably, determining the credibility of the second exchange data includes:
acquiring a time stamp of the second exchange data and a reliable value of a time source corresponding to the time stamp;
authenticating the generation time of the second exchange data based on the time stamp to obtain a first authentication result;
determining a true value of the second exchange data based on the reliability value and the first authentication result;
acquiring a first fixed length value of first exchange data and a second fixed length value of second exchange data;
obtaining a second authentication result based on the first fixed length value and the second fixed length value;
acquiring collision probability of a hash function when determining a first fixed length value and a second fixed length value;
determining a security value of the second exchange data based on the collision probability and the second authentication result;
and accumulating and calculating a true value and a safety value to obtain the credibility.
Preferably, determining the availability of the second exchange data includes:
based on a preset availability analysis model, analyzing the availability of the second exchange data to obtain an availability value;
based on a preset integrity analysis model, analyzing the integrity of the second exchange data to obtain an integrity value;
and accumulating and calculating the available value and the complete value to obtain the availability.
Preferably, the data exchange platform based on the electronic file and the electronic archive further comprises:
the user-defined distribution module is configured to obtain third exchange data selected by a user in a user-defined manner, and meanwhile, obtain a distribution node of the third exchange data, and distribute the third exchange data to the distribution node for data exchange, where the obtaining of the third exchange data selected by the user in a user-defined manner includes:
acquiring a preset data option table, wherein the data option table comprises: selecting data areas corresponding to the fourth exchange data;
determining a data selection area selected by a user in the data selection areas and taking the data selection area as a target data selection area;
and acquiring fourth exchange data corresponding to the target data selection area and taking the fourth exchange data as third exchange data.
Preferably, determining a data selection area selected by a user in the data selection areas and serving as a target data selection area includes:
acquiring line-of-sight projection points of a user on display equipment for displaying the data option list, and simultaneously calculating the stay time of the line-of-sight projection points in each data selection area;
based on a preset pre-selection marking rule, selecting a data selection area corresponding to the pre-selection marking according to the stay time;
acquiring face images of the user after the preselected mark is completed in real time;
extracting features of the face image to obtain a plurality of expression features;
when at least one negative feature appears in the expression features, determining a suspicious selected area where the projection point of the current line of sight of the user is located, and correcting the current marking state of the corresponding suspicious selected area;
and after finishing the correction of all suspicious selected areas needing correction, determining the target data selected area of the current mark.
Preferably, correcting the current marking status of the suspicious region includes:
analyzing the current marking state of the suspicious selected area, wherein the current marking state comprises the following steps: marked and unmarked;
when the current marking state is marked, determining that the correction marking state of the suspicious selected area is a cancel marking;
when the current marking state is unmarked, determining that the correction marking state of the suspicious selected area is an increased marking;
and correcting the current marking state of the suspicious selected area according to the correction marking state.
Preferably, the data exchange platform based on the electronic file and the electronic archive is characterized by further comprising:
the access user access data exchange platform comprises an access user access data exchange module, an access user access verification module and an access user access verification module, wherein the access user access verification module performs the following operations when any electronic file stored in the access user access data exchange platform exists:
acquiring the identity ID of the access user;
inquiring a preset user grade library, and determining a first authority grade corresponding to the identity ID;
acquiring a second authority level corresponding to the access file of the access user;
if the first authority level is greater than or equal to the second authority level, the access user passes verification;
otherwise, not pass.
The invention provides a data exchange method based on electronic files and electronic archives, which comprises the following steps:
step 1: acquiring an electronic file stored by a preset service node at fixed time, and acquiring service node information of the service node at the same time;
step 2: generating first exchange data corresponding to the service node based on the electronic file and the service node information;
step 3: acquiring second exchange data pre-received by the archive node;
step 4: based on a time stamp technology and a digital digest technology, performing exchange verification on the second exchange data according to the first exchange data;
step 5: and if the exchange verification is passed, corresponding data exchange is carried out.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a data exchange platform based on electronic files and electronic archives according to an embodiment of the present invention;
fig. 2 is a flowchart of a data exchange system based on electronic files and electronic files according to an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention provides a data exchange platform based on electronic files and electronic archives, as shown in figure 1, comprising:
the first acquisition module 1 is used for acquiring electronic files stored in a preset service node at fixed time and acquiring service node information of the service node at the same time;
a generating module 2, configured to generate first exchange data corresponding to the service node based on the electronic file and the service node information;
a second obtaining module 3, configured to obtain second exchange data pre-received by the archive node;
the exchange verification module 4 is used for carrying out exchange verification on the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
and the exchange module 5 is used for carrying out corresponding data exchange if the exchange verification is passed.
The working principle and the beneficial effects of the technical scheme are as follows:
the preset service node specifically comprises the following steps: storing the device node exchanging data; the stored electronic files are generated in digital equipment and environment, are stored in carriers such as magnetic tapes, magnetic discs, optical discs and the like in a digital form, are read and processed by equipment such as computers and can be transmitted on a communication network; the service node information of the service node specifically includes: device information of a digital device corresponding to an electronic file is stored [ for example: device type, device model, device parameter information, etc.). The generated first exchange data is a data stream for data exchange transmission, for example: electronic file information and service node information. The second exchange data is: the archive node preparing received data for exchange; the archive node specifically comprises: a docking node of an archive system of a data exchange platform, where the archive node periodically obtains first exchange data sent from a storage device of each device, and performs exchange verification on second exchange data according to the first exchange data based on a timestamp technology and a digital digest technology, for example: based on the digital digest technology, verifying whether the data lengths of the first exchange data and the second exchange data are consistent, based on the timestamp technology, verifying whether the first exchange data is tampered, and the like, the timestamp technology and the digital digest technology belong to the prior art, and are not repeated. If the second exchange data passes the exchange verification, storing the verified second exchange data in a local database of a file system corresponding to the file node in the form of an electronic file; the electronic file specifically comprises: the electronic files with the functions of certificates, examination and preservation value and archiving and preservation are stored through devices such as a computer disk, and the like, and the related general electronic image file sets are corresponding to the paper files and are usually in units of files.
According to the method and the device, the first exchange data is automatically generated based on the acquired service node information and the electronic file stored by the service node, so that manual acquisition is not needed, and the labor cost is greatly reduced; and verifying the second exchange data received by the archive node, and if the second exchange data passes the exchange verification, performing corresponding data exchange, thereby improving the integrity, the authenticity and the security of the data exchange.
The invention provides a data exchange platform based on electronic files and electronic archives, wherein a first acquisition module 1 executes the following operations:
acquiring a device topology diagram of a service node, and determining at least one digital device to be read from the device topology diagram;
determining a device type of the digital device;
inquiring a preset equipment type-reading mode library, and determining a reading mode of the equipment type;
reading the stored electronic file of the digital equipment based on a reading mode;
and acquiring the node ID of the service node, determining node information consistent with the node ID from a preset node information base, and taking the node information as the service node information.
The working principle and the beneficial effects of the technical scheme are as follows:
the equipment topological graph specifically comprises the following steps: and determining a digital device to be read from the device topological graph. Determining a device class of a digital device, for example: based on different device protocols and interface types, classifying the devices to obtain classification types. The device type-reading mode library includes: a plurality of device types and reading modes corresponding to one, and determining the reading mode corresponding to the device types, for example: automated reading, etc. Based on the reading mode, the electronic file of the digital device is read, for example: an operation log of the digital device. The node ID of the service node is specifically: the unique equipment model of the digital equipment is used for determining node information consistent with the node ID from a preset node information base, and the node information is used as service node information, wherein the preset node information base comprises: the node information base packet is determined to be the same as the node ID, and the node information of the corresponding node is obtained, for example: device name and device parameters, etc.
According to the method, the device topological graph is introduced, the digital device needing to be read is determined, the device type-reading mode library is inquired, the reading mode of the digital device being read is determined, and the electronic file of the digital device is read based on the reading mode, so that the reading rationality is improved; and a node information base is introduced to determine the service node information of the read node, so that the accuracy of acquiring the service node information is improved.
The invention provides a data exchange platform based on electronic files and electronic archives, wherein an exchange verification module 4 executes the following operations:
determining the credibility of the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
performing reliability verification on the reliability to obtain a first verification result;
determining availability of the second exchange data based on the first exchange data and the second exchange data;
performing availability verification on the availability to obtain a second verification result;
and if the first verification result and the second verification result are both verified, the second exchange data is verified.
The working principle and the beneficial effects of the technical scheme are as follows:
in the process of data exchange, transmission characteristics of a channel are not ideal, or an attacker maliciously falsifies the data, so that the data obtained by transmission is not credible or available, and therefore, a solution is needed.
Based on the time stamp technology, verifying whether the generation time of the first exchange data is consistent with the generation time of the second exchange data applied to the exchange, if so, determining that the credit value of the service mechanism providing the time stamp is taken as a true value, and if the true value is higher, the second exchange data is easier to pass verification, wherein the time stamp technology belongs to the prior art and is not repeated. Based on a digital abstracting technology, abstracting the first exchange data and the second exchange data into fixed data lengths respectively, then verifying whether the data lengths of the first exchange data and the second exchange data are consistent, determining a safety value of the second exchange data, wherein the higher the safety value is, the easier the second exchange data pass verification, determining the credibility based on a true value and the safety value, performing credibility verification on the credibility, and obtaining a first verification result, for example: judging whether the credibility is larger than a credibility threshold value, and if so, passing the verification.
Based on the first exchange data and the second exchange data, an availability of the second exchange data is determined, the higher the availability, the more the second exchange data is available for exchange. Availability verification is performed on the availability, and a second verification result is obtained, for example: and judging whether the availability is greater than an availability threshold, and if so, passing the verification.
When both the first verification result and the second verification result are verified, the second exchange data is verified.
The credibility and the availability are introduced, the credibility verification and the availability verification are respectively carried out on the second exchange data, and the rationality and the comprehensiveness of the verification are improved.
The invention provides a data exchange platform based on electronic files and electronic archives, which determines the credibility of the second exchange data, and comprises the following steps:
acquiring a time stamp of the second exchange data and a reliable value of a time source corresponding to the time stamp;
authenticating the generation time of the second exchange data based on the time stamp to obtain a first authentication result;
determining a true value of the second exchange data based on the reliability value and the first authentication result;
acquiring a first fixed length value of first exchange data and a second fixed length value of second exchange data;
obtaining a second authentication result based on the first fixed length value and the second fixed length value;
acquiring collision probability of a hash function when determining a first fixed length value and a second fixed length value;
determining a security value of the second exchange data based on the collision probability and the second authentication result;
and accumulating and calculating a true value and a safety value to obtain the credibility.
The working principle and the beneficial effects of the technical scheme are as follows:
the time stamp of the second exchange data and the reliable value of the time source corresponding to the time stamp can be obtained based on the time stamp technology, the time stamp is data generated by using the digital signature technology, the signed object comprises information such as original file information, signature parameters, signature time and the like, the time stamp system is used for generating and managing the time stamp, and the digital signature is carried out on the signed object to generate the time stamp so as to prove that the original file exists before the signature time; the time source is specifically as follows: a mechanism for providing a time stamp service; the reliability value is the credit value of the time stamp service organization, the larger the credit value is, the more the first authentication result is, the credit value of the time stamp service organization can be judged by acquiring the history service log of the organization and based on the history service log. Authenticating the generation time of the second exchange data based on the time stamp, and authenticating whether the second exchange data is tampered after the generation time to obtain a first authentication result; for example: if the first authentication passes, the exchange data is not tampered, the first authentication result is marked as "1", if the first authentication does not pass, the exchange data is tampered, and the first authentication result is marked as "0". Based on the reliable value and the first authentication result, a true value of the second exchange data is obtained and correlated with the corresponding second exchange data, and the true value is multiplied by the reliable value and the authentication result.
Acquiring a first fixed length value of first exchange data and a second fixed length value of second exchange data based on a digital digest technology; the first fixed length value is a fixed length obtained by abstracting the first exchange data by using a one-way hash function, and the second fixed length value of the second exchange data is obtained based on the same method. Based on the first fixed length value and the second fixed length value, a second authentication result is obtained, such as: if the first fixed length value is consistent with the second fixed length value, the second authentication result is 1, and if the first fixed length value is inconsistent with the second fixed length value, the second authentication result is 0. The hash function is a mapping relation, the collision probability of the hash function represents the difficulty level of the mapping data being tampered, the larger the output length of the hash function is, the smaller the collision probability is, the less the collision probability is, the mapping data is not easy to tamper, and the second authentication result is more reliable. Based on the collision probability and the second authentication result, determining a security value of the second exchange data, and associating the security value with the corresponding second exchange data, wherein the larger the security value is, the more trusted the second exchange data is.
And accumulating and calculating a true value and a safety value associated with the second exchange data to obtain the credibility, wherein the calculation formula of the credibility is as follows:
wherein,,
for the confidence level, Z is the reliability value, θ 1 For the first authentication result, θ 2 For the second authentication result, p is the collision probability, k is the second fixed length value, e is a natural constant, n=2 n N is the number of bits of the second fixed length value, and the number of bits is the information amount of the information in communication.
According to the method and the device, the timestamp is introduced, the true value of the second exchange data is determined, and the reasonability of the acquisition of the true value is improved; a hash function is introduced to determine the security value of the second exchange data, so that the suitability of the security value acquisition is improved; the true value and the safety value are accumulated and calculated to obtain the credibility, and the credibility accuracy is improved.
The invention provides a data exchange platform based on electronic files and electronic archives, which determines the availability of the second exchange data, and comprises the following steps:
based on a preset availability analysis model, analyzing the availability of the second exchange data to obtain an availability value;
based on a preset integrity analysis model, analyzing the integrity of the second exchange data to obtain an integrity value;
and accumulating and calculating the available value and the complete value to obtain the availability.
The working principle and the beneficial effects of the technical scheme are as follows:
based on a preset availability analysis model, the availability of the second exchange data is analyzed, an availability value is obtained, and the larger the availability value is, the larger the availability of the exchange data is; the preset usability analysis model specifically comprises the following steps: and training the neural network model to a converged neural network model by utilizing a plurality of records of manual analysis on the availability of the exchanged data.
Based on a preset integrity analysis model, analyzing the integrity of the second exchange data to obtain an integral value, wherein the larger the integral value is, the larger the availability of the exchange data is; the preset integrity analysis model specifically comprises the following steps: records of analysis of the integrity of exchanged data using a plurality of people, for example: and (3) manually checking each item of data of the exchanged data, determining the record of the data integrity degree, training the neural network model, and training the neural network model to a converged neural network model.
The calculated availability value and the complete value are accumulated to obtain availability, the greater the availability, the more the second exchange data is available to be exchanged.
According to the method, an availability analysis model and an integrity analysis model are introduced, the available value and the complete value of the second exchange data are determined, and the accuracy of the available value and the complete value is further improved; the availability is determined based on the availability value and the integrity value, which is more appropriate.
The invention provides a data exchange platform based on electronic files and electronic archives, which further comprises:
the user-defined distribution module is configured to obtain third exchange data selected by a user in a user-defined manner, and meanwhile, obtain a distribution node of the third exchange data, and distribute the third exchange data to the distribution node for data exchange, where the obtaining of the third exchange data selected by the user in a user-defined manner includes:
acquiring a preset data option table, wherein the data option table comprises: selecting data areas corresponding to the fourth exchange data;
determining a data selection area selected by a user in the data selection areas and taking the data selection area as a target data selection area;
and acquiring fourth exchange data corresponding to the target data selection area and taking the fourth exchange data as third exchange data.
The working principle and the beneficial effects of the technical scheme are as follows:
when data exchange is carried out, the user can select to exchange the useful data, so that the local storage space is saved. When selecting data in the data option table, the user uses external exchange equipment, for example: the touch display screen is used for clicking and selecting data needed by the user, and when the data needing to be selected is large in quantity, the touch display screen is inconvenient and not intelligent enough. Therefore, a solution is needed.
The preset data option list comprises the following steps: the data selection areas corresponding to the fourth exchange data can be obtained from a display picture displayed in real time by the data exchange platform, and the fourth exchange data specifically comprises: data items available for exchange. The data selection area selected by the user in the data selection area is determined and used as the target data selection area, the target data selection can be obtained based on a sight tracking technology, and the sight tracking technology belongs to the prior art and is not described in detail. And combining the fourth exchange data corresponding to the target data selection area as third exchange data.
According to the method and the device, a sight tracking technology is introduced, the target data selection area of the user in the data option table is determined, the third exchange data corresponding to the target data selection area is used as the exchange data of the user-defined selection area, manual selection by the user is not needed, the rationality of acquiring the third exchange data is improved, and meanwhile, the method and the device are more intelligent.
The invention provides a data exchange platform based on electronic files and electronic archives, which determines a data selection area selected by a user in the data selection area and is used as a target data selection area, and comprises the following steps:
acquiring line-of-sight projection points of a user on display equipment for displaying the data option list, and simultaneously calculating the stay time of the line-of-sight projection points in each data selection area;
based on a preset pre-selection marking rule, selecting a data selection area corresponding to the pre-selection marking according to the stay time;
acquiring face images of the user after the preselected mark is completed in real time;
extracting features of the face image to obtain a plurality of expression features;
when at least one negative feature appears in the expression features, determining a suspicious selected area where the projection point of the current line of sight of the user is located, and correcting the current marking state of the corresponding suspicious selected area;
and after finishing the correction of all suspicious selected areas needing correction, determining the target data selected area of the current mark.
The working principle and the beneficial effects of the technical scheme are as follows:
the line-of-sight projection points of the user falling on the display device displaying the data option list may be obtained based on a line-of-sight tracking technique and the dwell time of the line-of-sight projection points in the respective data selections is calculated, for example: 3s. Based on a preset pre-selection marking rule, selecting a data selection area corresponding to the pre-selection mark according to the stay time. The pre-selected marking rules are specifically: the dwell time of the line-of-sight projection points within the data selection area is greater than or equal to a preset dwell time threshold, for example: and 2.5s, marking the corresponding data selection area as light blue.
After the pre-selection mark is completed, the face image of the user can be acquired according to a camera preset on the display device. Extracting features of the face image to obtain a plurality of expression features; the expression features are specifically as follows: the facial muscle textures when smiling, frowning, squinting and other expressions are made are realized based on a feature extraction technology, and the feature extraction technology belongs to the prior art and can be realized. When at least one negative feature appears in the expressive features, for example: when the user is in frowning, the suspicious selected area where the current sight projection point of the user is located is determined. Correcting the current marking state of the suspicious selected area, for example: and (3) canceling the light blue mark of the suspicious selected area, and determining the target data selected area of the current mark after finishing the correction of all suspicious selected areas needing to be corrected.
According to the method and the device, the pre-selection mark rule is introduced, the data selection area needing pre-selection mark is determined, the marked data selection area is corrected according to the expression characteristics of the user, the corrected target data selection area is obtained, and the normalization and rationality of target data selection area determination are improved.
The invention provides a data exchange platform based on electronic files and electronic archives, which corrects the current marking state of suspicious selected areas, and comprises the following steps:
analyzing the current marking state of the suspicious selected area, wherein the current marking state comprises the following steps: marked and unmarked;
when the current marking state is marked, determining that the correction marking state of the suspicious selected area is a cancel marking;
when the current marking state is unmarked, determining that the correction marking state of the suspicious selected area is an increased marking;
and correcting the current marking state of the suspicious selected area according to the correction marking state.
The working principle and the beneficial effects of the technical scheme are as follows:
correcting the suspicious selection current marker state, for example: the unmarked state is corrected to a marked state and the marked state is corrected to a unmarked state.
According to the method and the device, the state of the data selection area is corrected based on the current marking state of the suspicious data selection area, so that the correction rationality is improved.
The invention provides a data exchange platform based on electronic files and electronic archives, which further comprises:
the access user access data exchange platform comprises an access user access data exchange module, an access user access verification module and an access user access verification module, wherein the access user access verification module performs the following operations when any electronic file stored in the access user access data exchange platform exists:
acquiring the identity ID of the access user;
inquiring a preset user grade library, and determining a first authority grade corresponding to the identity ID;
acquiring a second authority level corresponding to the access file of the access user;
if the first authority level is greater than or equal to the second authority level, the access user passes verification;
otherwise, not pass.
The working principle and the beneficial effects of the technical scheme are as follows:
when a user of the data exchange platform accesses the platform, the behavior of checking the archive file exists, the archive file is generally stored in an encrypted mode, not all access users can check at will, and authority verification needs to be carried out on the access users, so that a solution is needed.
The access user is a login user of the data exchange platform, and when the access user requests access files, the identity ID of the user is obtained; the identity ID is the unique identity of the accessing user on the data exchange platform. The preset user grade library is as follows: and the database stores a plurality of groups of one-to-one corresponding user identity IDs and authority levels of the users, and determines a first authority level corresponding to the identity IDs. The second permission level of the access profile is a permission level required for viewing the access profile, and is preset by a platform administrator. And if the first authority level is greater than or equal to the second authority level, allowing the access by the access user through verification, and if the first authority level is smaller than the second authority level, not passing the authority verification.
The invention provides a data exchange platform based on electronic files and electronic archives, as shown in fig. 2, comprising:
step 1: acquiring an electronic file stored by a preset service node at fixed time, and acquiring service node information of the service node at the same time;
step 2: generating first exchange data corresponding to the service node based on the electronic file and the service node information;
step 3: acquiring second exchange data pre-received by the archive node;
step 4: based on a time stamp technology and a digital digest technology, performing exchange verification on the second exchange data according to the first exchange data;
step 5: and if the exchange verification is passed, corresponding data exchange is carried out.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A data exchange platform based on electronic files and electronic archives, comprising:
the first acquisition module is used for acquiring the electronic file stored by the preset service node at fixed time and acquiring the service node information of the service node at the same time;
the generation module is used for generating first exchange data corresponding to the service node based on the electronic file and the service node information; wherein, the first exchange data is: a data stream for data exchange transmission;
the second acquisition module is used for acquiring second exchange data pre-received by the archive node; wherein the second exchange data is: the archive node preparing received data for exchange;
the exchange verification module is used for carrying out exchange verification on the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
the exchange module is used for carrying out corresponding data exchange if the exchange verification is passed;
the first acquisition module performs the following operations:
acquiring a device topology diagram of a service node, and determining at least one digital device to be read from the device topology diagram;
determining a device type of the digital device;
inquiring a preset equipment type-reading mode library, and determining a reading mode of the equipment type;
reading the stored electronic file of the digital equipment based on a reading mode;
acquiring node IDs of service nodes, determining node information consistent with the node IDs from a preset node information base, and taking the node information as the service node information;
wherein, the exchange verification module performs the following operations:
determining the credibility of the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
performing reliability verification on the reliability to obtain a first verification result;
determining availability of the second exchange data based on the first exchange data and the second exchange data;
performing availability verification on the availability to obtain a second verification result;
if the first verification result and the second verification result are both verified, the second exchange data is verified;
wherein said determining the trustworthiness of said second exchange data comprises:
acquiring a time stamp of the second exchange data and a reliable value of a time source corresponding to the time stamp;
authenticating the generation time of the second exchange data based on the time stamp to obtain a first authentication result;
determining a true value of the second exchange data based on the reliability value and the first authentication result;
acquiring a first fixed length value of first exchange data and a second fixed length value of second exchange data;
obtaining a second authentication result based on the first fixed length value and the second fixed length value;
acquiring collision probability of a hash function when determining a first fixed length value and a second fixed length value;
determining a security value of the second exchange data based on the collision probability and the second authentication result;
the true value and the safety value are accumulated and calculated to obtain the credibility, and the calculation formula of the credibility is as follows:
wherein,,
for the confidence level, Z is the reliability value, θ 1 For the first authentication result, θ 2 For the second authentication result, p is the collision probability, k is the second fixed length value, e is a natural constant, n=2 n N is the number of bits of the second fixed length value, and the number of bits is the information amount of the information in communication.
2. The data exchange platform based on electronic files and electronic archives of claim 1, wherein the determining the availability of the second exchange data comprises:
based on a preset availability analysis model, analyzing the availability of the second exchange data to obtain an availability value;
based on a preset integrity analysis model, analyzing the integrity of the second exchange data to obtain an integrity value;
and accumulating and calculating the available value and the complete value to obtain the availability.
3. The data exchange platform based on electronic files and electronic archives of claim 1, further comprising:
the user-defined distribution module is configured to obtain third exchange data selected by a user in a user-defined manner, and meanwhile, obtain a distribution node of the third exchange data, and distribute the third exchange data to the distribution node for data exchange, where the obtaining of the third exchange data selected by the user in a user-defined manner includes:
acquiring a preset data option table, wherein the data option table comprises: selecting data areas corresponding to the fourth exchange data;
determining a data selection area selected by a user in the data selection areas and taking the data selection area as a target data selection area;
and acquiring fourth exchange data corresponding to the target data selection area and taking the fourth exchange data as third exchange data.
4. A data exchange platform based on electronic files and electronic archives as claimed in claim 3, wherein the determining the data selection selected by the user in the data selection area and serving as the target data selection area includes:
acquiring line-of-sight projection points of a user on display equipment for displaying the data option list, and simultaneously calculating the stay time of the line-of-sight projection points in each data selection area;
based on a preset pre-selection marking rule, selecting a data selection area corresponding to the pre-selection marking according to the stay time;
acquiring face images of the user after the preselected mark is completed in real time;
extracting features of the face image to obtain a plurality of expression features;
when at least one negative feature appears in the expression features, determining a suspicious selected area where the projection point of the current line of sight of the user is located, and correcting the current marking state of the corresponding suspicious selected area;
and after finishing the correction of all suspicious selected areas needing correction, determining the target data selected area of the current mark.
5. The data exchange platform based on electronic files and electronic archives according to claim 4, wherein said modifying the current marking status of the suspicious region comprises:
analyzing the current marking state of the suspicious selected area, wherein the current marking state comprises the following steps: marked and unmarked;
when the current marking state is marked, determining that the correction marking state of the suspicious selected area is a cancel marking;
when the current marking state is unmarked, determining that the correction marking state of the suspicious selected area is an increased marking;
and correcting the current marking state of the suspicious selected area according to the correction marking state.
6. The data exchange platform based on electronic files and electronic archives of claim 1, further comprising:
the access user access data exchange platform comprises an access user access data exchange module, an access user access verification module and an access user access verification module, wherein the access user access verification module performs the following operations when any electronic file stored in the access user access data exchange platform exists:
acquiring the identity ID of the access user;
inquiring a preset user grade library, and determining a first authority grade corresponding to the identity ID;
acquiring a second authority level corresponding to the access file of the access user;
if the first authority level is greater than or equal to the second authority level, the access user passes verification;
otherwise, not pass.
7. A data exchange method based on electronic files and electronic archives, comprising:
step 1: acquiring an electronic file stored by a preset service node at fixed time, and acquiring service node information of the service node at the same time;
step 2: generating first exchange data corresponding to the service node based on the electronic file and the service node information; wherein, the first exchange data is: a data stream for data exchange transmission;
step 3: acquiring second exchange data pre-received by the archive node; wherein the second exchange data is: the archive node preparing received data for exchange;
step 4: based on a time stamp technology and a digital digest technology, performing exchange verification on the second exchange data according to the first exchange data;
step 5: if the exchange verification is passed, corresponding data exchange is carried out;
wherein, step 1: acquiring the electronic file stored by the preset service node at fixed time, and simultaneously acquiring the service node information of the service node, wherein the method comprises the following steps: acquiring a device topology diagram of a service node, and determining at least one digital device to be read from the device topology diagram;
determining a device type of the digital device;
inquiring a preset equipment type-reading mode library, and determining a reading mode of the equipment type;
reading the stored electronic file of the digital equipment based on a reading mode;
acquiring node IDs of service nodes, determining node information consistent with the node IDs from a preset node information base, and taking the node information as the service node information;
wherein, step 4: based on the time stamp technology and the digital digest technology, performing exchange verification on the second exchange data according to the first exchange data, including:
determining the credibility of the second exchange data according to the first exchange data based on a time stamp technology and a digital digest technology;
performing reliability verification on the reliability to obtain a first verification result;
determining availability of the second exchange data based on the first exchange data and the second exchange data;
performing availability verification on the availability to obtain a second verification result;
if the first verification result and the second verification result are both verified, the second exchange data is verified;
wherein determining the trustworthiness of the second exchange data comprises:
acquiring a time stamp of the second exchange data and a reliable value of a time source corresponding to the time stamp;
authenticating the generation time of the second exchange data based on the time stamp to obtain a first authentication result;
determining a true value of the second exchange data based on the reliability value and the first authentication result;
acquiring a first fixed length value of first exchange data and a second fixed length value of second exchange data;
obtaining a second authentication result based on the first fixed length value and the second fixed length value;
acquiring collision probability of a hash function when determining a first fixed length value and a second fixed length value;
determining a security value of the second exchange data based on the collision probability and the second authentication result;
the true value and the safety value are accumulated and calculated to obtain the credibility, and the calculation formula of the credibility is as follows:
wherein,,
for the confidence level, Z is the reliability value, θ 1 For the first authentication result, θ 2 For the second authentication result, p is the collision probability, k is the second fixed length value, e is a natural constant, n=2 n N is the number of bits of the second fixed length value, and the number of bits is the information amount of the information in communication.
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| CN114547701A (en) * | 2022-02-23 | 2022-05-27 | 深圳市联创杰科技有限公司 | Block chain-based tamper-proof identification chip information trusted storage system |
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