CN105389364B - Digital cultural relic safety sharing system - Google Patents
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- CN105389364B CN105389364B CN201510751689.6A CN201510751689A CN105389364B CN 105389364 B CN105389364 B CN 105389364B CN 201510751689 A CN201510751689 A CN 201510751689A CN 105389364 B CN105389364 B CN 105389364B
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- 238000012545 processing Methods 0.000 claims abstract description 55
- 238000010276 construction Methods 0.000 claims description 12
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- 238000013500 data storage Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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Abstract
The invention discloses a digital cultural relic safety sharing system, which comprises a digital cultural relic data processing system, a digital cultural relic database and a digital cultural relic data access system, wherein the digital cultural relic data processing system comprises a digital cultural relic data processing system, a digital cultural relic database and a digital cultural relic data access system; the digital cultural relic data processing system is used for configuring a grading strategy of the original data of the digital cultural relics, grading and processing each original data of each digital cultural relic according to the grading strategy and outputting grading data of each digital cultural relic corresponding to different grades; the digital cultural relic database is used for storing and managing the grading data of each digital cultural relic; the digital cultural relic data access system is used for a user to obtain the grading data of the digital cultural relics; the system effectively solves the problems of safe sharing of digital cultural relic data, information leakage prevention and source tracing of data leakage.
Description
Technical Field
The invention relates to the field of digital cultural relic data management, in particular to a digital cultural relic safety sharing system.
Background
The digitalization of Chinese culture has positive significance for the sharing and research of culture data and the spread of Chinese culture, and for the digitalization of Chinese culture, the current Chinese character library, the cultural relic picture library and the cultural relic database all belong to important data of Chinese cultural relics. However, the security of the digital data of some precious cultural relics relates to the national cultural security level, for this reason, the national establishment takes the 'digital cultural relics are also cultural relics' as the guidance, and for the data source library, the metadata library and the application library which relate to the digital cultural relics, the three are clearly defined by the 'cultural security', and are the national important cultural property. In order to prevent the phenomena of loss and theft, a data sharing method under the premise of ensuring the security of the digital culture data is needed.
At present, for the secure sharing of confidential data, an access authority mode is generally adopted to perform coarse-grained user access control, but for cultural relic materials, finer-grained control is required. The data content of the same cultural relic data has a secret part and a widely publically disseminated part, so that finer-grained control on the access of the cultural relic data is needed. In addition, the user also needs to strictly control the secondary propagation of the digital cultural relic data, and the user with insufficient authority does not have the right to store or share the confidential digital cultural relic data with others, so that the digital cultural relic data downloaded by the user client side needs to be destroyed by using the 'burn after reading' technology.
Disclosure of Invention
The invention aims to provide a digital cultural relic safety sharing system to solve the problems of safety sharing of digital cultural relic data, information leakage prevention and source tracing of data leakage.
In order to achieve the aim, the invention provides a digital cultural relic safety sharing system, which comprises a digital cultural relic data processing system, a digital cultural relic database and a digital cultural relic data access system;
the digital cultural relic data processing system is used for configuring a grading strategy of the original data of the digital cultural relics, grading and processing each original data of each digital cultural relic according to the grading strategy and outputting grading data of each digital cultural relic corresponding to different grades;
the digital cultural relic database is used for storing and managing the grading data of each digital cultural relic;
the digital cultural relic data access system is used for a user to obtain the grading data of the digital cultural relics, and comprises a client and an access information receiving and processing system; the client is used for sending a digital cultural relic data access request and receiving and displaying the hierarchical data of the digital cultural relic; the access information receiving and processing system is used for acquiring the corresponding grading data of the digital cultural relics from the digital cultural relic database according to the data access request and the user authority of the user, adding the access information into the metadata of the obtained grading data of the digital cultural relics, and then outputting the metadata to the client.
Preferably, the digital cultural relic data processing system comprises a digital cultural relic grading strategy construction unit and a multi-stage data generation module;
the digital cultural relic grading strategy construction unit is used for configuring a grading strategy of original data of the digital cultural relic and marking metadata of each input original data of each digital cultural relic according to the grading strategy, wherein the information of the metadata comprises grading information of the original data of the digital cultural relic;
the multi-level data generation module is used for carrying out data processing on the corresponding original data of the digital cultural relics according to the metadata marked by the digital cultural relic grading strategy construction unit, updating grading information in the metadata to form grading data of the digital cultural relics and simultaneously generating indexes of the grading data of the digital cultural relics; the multi-stage data generation module outputs the grading data of the digital cultural relics to the digital cultural relic database for storage, and outputs the index of the grading data of the digital cultural relics to the access information receiving and processing system for storage.
Preferably, the client comprises a user login module and a data browsing module;
the user login module is used for verifying the identity of a user and entering a client;
and the data browsing module is used for receiving and displaying the grading data of the digital cultural relics sent by the access information receiving and processing system.
Preferably, the access information receiving and processing system comprises a user identification unit, a hierarchical access processing unit and an access information metadata adding unit;
the user identification unit comprises a user authentication module and a user database; the user authentication module obtains the authority of the user through a user database;
the hierarchical access processing unit comprises a hierarchical access control module and a multilevel data index database; the multi-level data index library stores indexes of the hierarchical data of the digital cultural relics; the hierarchical access control module acquires indexes of hierarchical data of the digital cultural relics corresponding to the user authority from a multilevel data index database according to the authority of the user and the access request of the user, and then acquires the hierarchical data of the corresponding digital cultural relics from the digital cultural relics database according to the indexes;
the access information metadata adding unit adds the information of the access request to the metadata of the hierarchical data of the digitized cultural relics, and then sends the hierarchical data of the digitized cultural relics to the data browsing module of the client.
Preferably, the hierarchical data content of the digital cultural relics comprises descriptive text information, picture data, audio data and video data.
Preferably, the client further comprises a data destruction module; the data destruction module is used for completely deleting the digital cultural relic data which does not need to be stored at the client.
Preferably, the client further comprises a data storage module; and the data storage module is used for storing the grading data of the digital cultural relics by the user with the storage authority through the client.
Preferably, the access information added by the access information metadata adding unit to the metadata of the hierarchical data of the digitized cultural relic includes access user information, access time, and client IP.
Preferably, the user data includes user basic information, access rights of the data, and storage rights of the data.
The digital cultural relic safety sharing system provided by the invention can realize the safety sharing of the digital cultural relic data, prevent the digital cultural relic data from being lost and stolen to a great extent, and trace back the leakage source according to the leaked digital cultural relic data.
Drawings
FIG. 1 is a system framework diagram of an embodiment of the present invention;
fig. 2 is a diagram of a digitalized historical relic data grading strategy according to an embodiment of the invention.
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
Referring to fig. 1, a system framework diagram of an embodiment of the present invention is shown, and a digital cultural relic security sharing system of the embodiment includes a digital cultural relic data processing system S101, a digital cultural relic database S105, and a digital cultural relic data access system S102.
The digital cultural relic data processing system S101 is used for configuring a grading strategy of the original data of the digital cultural relics, grading and processing each original data of each digital cultural relic according to the grading strategy, and outputting grading data of each digital cultural relic corresponding to different grades; the digital cultural relic data processing system S101 comprises a digital cultural relic grading strategy construction unit S103 and a multi-level data generation module S104; the digital cultural relic grading strategy construction unit S103 is used for configuring a grading strategy of the original data of the digital cultural relics and marking metadata of each piece of the input original data of each digital cultural relic according to the grading strategy, wherein the information of the metadata comprises grading information of the original data of the digital cultural relics; the multi-level data generation module S104 is used for carrying out data processing on the corresponding original data of the digital cultural relics according to the metadata marked by the digital cultural relic grading strategy construction unit, updating grading information in the metadata to form grading data of the digital cultural relics, and generating indexes of the grading data of the digital cultural relics at the same time; the multi-stage data generation module outputs the grading data of the digital cultural relics to the digital cultural relic database for storage, and outputs the index of the grading data of the digital cultural relics to the access information receiving and processing system for storage.
The digital cultural relic database S105 is used for storing and managing the grading data of each digital cultural relic.
The digital cultural relic data access system S102 is used for a user to obtain the grading data of the digital cultural relics, and comprises a client S106 and an access information receiving and processing system;
the client S106 is used for sending a digital cultural relic data access request, receiving and displaying the hierarchical data of the digital cultural relic; the client S106 comprises a user login module, a data browsing module, a data destruction module and a data storage module; the user login module is used for verifying the identity of a user and entering a client; the data browsing module is used for receiving and displaying the grading data of the digital cultural relics sent by the access information receiving and processing system; the data destruction module is used for completely deleting digital cultural relic data which does not need to be stored at the client; and the data storage module is used for storing the grading data of the digital cultural relics by the user with the storage authority through the client.
The access information receiving and processing system is used for acquiring the corresponding grading data of the digital cultural relics from the digital cultural relic database according to the data access request and the user authority of the user, adding the access information into the metadata of the obtained grading data of the digital cultural relics, and then outputting the metadata to the client. The access information reception processing system includes a user identification unit S107, a hierarchical access processing unit S108, an access information metadata addition unit S109;
the user identification unit S107 comprises a user authentication module and a user database; the user authentication module obtains the authority of the user through a user database;
the hierarchical access processing unit S108 comprises a hierarchical access control module and a multilevel data index database; the multi-level data index library stores indexes of the hierarchical data of the digital cultural relics; the hierarchical access control module acquires indexes of hierarchical data of the digital cultural relics corresponding to the user authority from a multilevel data index database according to the authority of the user and the access request of the user, and then acquires the hierarchical data of the corresponding digital cultural relics from a digital cultural relics database S105 according to the indexes;
the access information metadata addition unit 109 adds information of the access request to the metadata of the above-described hierarchical data of the digitized cultural relic, and then transmits the hierarchical data of the digitized cultural relic to the data browsing module of the client.
The hierarchical data content of the digitized cultural relics in the embodiment comprises descriptive text information, picture data, audio data and video data.
In this embodiment, the user data of the user database includes the basic information of the user, the access right of the data, and the storage right of the data.
In this embodiment, the storage authority of the user includes no storage authority, low quality storage authority, and high quality storage authority, and the obtained hierarchical data of the digitized cultural relic is subjected to security processing of different levels: data destruction, watermark preservation, or high quality preservation.
As shown in fig. 2, which is a diagram of a digital cultural relic data grading strategy according to an embodiment of the present invention, a mapping relationship between the national cultural relic grading principle S201 and the digital cultural relic data grading principle S202 according to the present invention is realized by constructing a digital cultural relic data grading strategy, and the generation of the grading data is realized by a multi-stage data generation module S104 described later.
The national cultural relics are classified into precious first-level cultural relics, precious second-level cultural relics, precious third-level cultural relics and general cultural relics;
the embodiment divides the digital cultural relic data into four security categories, namely, an absolute security category, a secret category and a general category from high to low according to the security rigor; in the embodiment, the digital cultural relic data is graded again by combining with the national cultural relic grading, and the concrete grading strategy is as follows;
precious first-class cultural relics, the digital cultural relics data thereof are classified into 4 grades:
1, A level: complete text description information, complete high-quality pictures, audio and video data, and no deletion of original data, including four categories of digital cultural relic data, such as secret, secret and general.
1B stage: the method comprises the following steps of reserving confidential, secret and general three categories of digital cultural relic data and processing the confidential digital cultural relic data, wherein the processing method comprises the following steps:
(1) the data is completely deleted, which is not easy to display at the level;
(2) selectively deleting information of partial displayed characters/pictures/audio/video, deleting top secret information, and only retaining partial or partial characters/pictures/audio/video;
(3) the top-secret digital cultural relic data can be reduced to confidential digital cultural relic data by reducing the definition of pictures/audio/video, such as carrying out image compression processing or reducing the resolution of pictures.
The information reduction processing of the following level data is the same.
1C level: secret, generally two categories of digitized cultural relic data are reserved, and the secret/confidential digitized cultural relic data is processed.
1D level: one general category of digitized cultural relic data is reserved, and the confidential/secret digitized cultural relic data is processed.
Precious second-level cultural relics, wherein the digital cultural relics data thereof are classified into 3 grades:
2, A level: complete text description, complete high quality picture/audio/video
2, B stage: secret, generally two categories of digitized cultural relic data are reserved, and the secret/confidential digitized cultural relic data is processed.
2C level: one general category of digitized cultural relic data is reserved, and the confidential/secret digitized cultural relic data is processed.
Precious three-level cultural relics, wherein the digital cultural relic data thereof is classified into 2 levels:
3A level: full text describes the full high quality picture/audio/video.
And 3B stage: one general category of digitized cultural relic data is reserved, and the confidential/secret digitized cultural relic data is processed.
General cultural relics, the digitalized cultural relics data thereof is classified into grade 1:
level 4A full text description, full high quality picture/audio/video.
The grading strategy of the digital cultural relic grading strategy construction unit in the embodiment is configured according to the national cultural relic grading principle and the security category of the digital cultural relic data, is only a specific embodiment of the invention, and is not used for limiting the invention, and other grading strategies can be adopted for configuration in the practical application process.
The data processing flow of the digital cultural relic data processing system in the embodiment is as follows:
step 1, inputting original data of a digital cultural relic;
step 2, marking the basic attribute of the original data of the digital cultural relic and the grading information output according to the grading strategy in a digital cultural relic grading strategy construction unit;
the basic attributes of the original data of the digitized cultural relics comprise the names of the cultural relics, the national cultural relic grading, the data types, the security categories, the degradation processing modes of the security categories and the like;
the classification information output according to the classification policy is the classification and processing mode that the raw data of the digitized cultural relic can be displayed without processing or after processing, for example, as follows:
for example, one: the original data of the digitized cultural relics is picture data, the displayable level of the data under the unprocessed state is level 1A, the resolution is adjusted to the original picture 1/3, and then the data can be displayed at level 1B, and the grading information is: 1. the level 1A level can be displayed, and the processing mode is completely reserved; 2. the displayable level is level 1B and the processing is resolution down to the artwork 1/3.
Step 3, performing data processing on the corresponding original data of the digital cultural relics in a multi-stage data generation module according to the metadata marked by the digital cultural relic grading strategy construction unit, updating grading information in the metadata to form grading data of the digital cultural relics, and generating indexes of the grading data of the digital cultural relics at the same time;
as "example one" in step 2, the data processing and metadata updating contents in step 3 are: the picture data is used as a first picture after the metadata is marked, and one picture is backed up to be used as a second picture because the picture data corresponds to two levels; the picture data of the picture I is not processed, and the grading information in the metadata of the picture I is updated from a grade 1A and a grade 1B to a grade 1A to form the grading data of the digital cultural relics; the resolution of the picture data of the second picture is adjusted to the original picture 1/3, and the hierarchical information in the metadata is updated from level 1A and level 1B to level 1B, thereby forming hierarchical data of the digitized cultural relic.
And 4, outputting the grading data of the digital cultural relics to a digital cultural relic database by the multistage data generation module for storage, and outputting the indexes of the grading data of the digital cultural relics to a multistage data index database for storage.
The above-mentioned embodiments are further detailed descriptions of the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A digital cultural relics safety sharing system is characterized by comprising a digital cultural relics data processing system, a digital cultural relics database and a digital cultural relics data access system;
the digital cultural relic data processing system is used for configuring a grading strategy of the original data of the digital cultural relics, grading and processing each original data of each digital cultural relic according to the grading strategy and outputting grading data of each digital cultural relic corresponding to different grades;
the digital cultural relic database is used for storing and managing the grading data of each digital cultural relic;
the digital cultural relic data access system is used for a user to obtain the grading data of the digital cultural relics, and comprises a client and an access information receiving and processing system; the client is used for sending a digital cultural relic data access request and receiving and displaying the hierarchical data of the digital cultural relic; the access information receiving and processing system is used for acquiring the corresponding hierarchical data of the digital cultural relics from the digital cultural relic database according to the data access request and the user authority of the user, adding the access information into the metadata of the acquired hierarchical data of the digital cultural relics and then outputting the metadata to the client;
the digital cultural relic data processing system comprises a digital cultural relic grading strategy construction unit and a multi-level data generation module;
the digital cultural relic grading strategy construction unit is used for configuring a grading strategy of original data of the digital cultural relic and marking metadata of each input original data of each digital cultural relic according to the grading strategy, wherein the information of the metadata comprises grading information of the original data of the digital cultural relic;
the multi-level data generation module is used for carrying out data processing on the corresponding original data of the digital cultural relics according to the metadata marked by the digital cultural relic grading strategy construction unit, updating grading information in the metadata to form grading data of the digital cultural relics and simultaneously generating indexes of the grading data of the digital cultural relics; the multi-stage data generation module outputs the grading data of the digital cultural relics to the digital cultural relic database for storage, and outputs the index of the grading data of the digital cultural relics to the access information receiving and processing system for storage.
2. The digital cultural relic secure sharing system of claim 1, wherein the client comprises a user login module, a data browsing module;
the user login module is used for verifying the identity of a user and entering a client;
and the data browsing module is used for receiving and displaying the grading data of the digital cultural relics sent by the access information receiving and processing system.
3. The digital cultural relic secure sharing system as claimed in claim 2, wherein the access information receiving and processing system comprises a user identification unit, a hierarchical access processing unit, an access information metadata adding unit;
the user identification unit comprises a user authentication module and a user database; the user authentication module obtains the authority of the user through a user database;
the hierarchical access processing unit comprises a hierarchical access control module and a multilevel data index database; the multi-level data index library stores indexes of the hierarchical data of the digital cultural relics; the hierarchical access control module acquires indexes of hierarchical data of the digital cultural relics corresponding to the user authority from a multilevel data index database according to the authority of the user and the access request of the user, and then acquires the hierarchical data of the corresponding digital cultural relics from the digital cultural relics database according to the indexes;
the access information metadata adding unit adds the information of the access request to the metadata of the hierarchical data of the digitized cultural relics, and then sends the hierarchical data of the digitized cultural relics to the data browsing module of the client.
4. The digital cultural relic safety sharing system of any one of claims 1 to 3, wherein the hierarchical data content of the digital cultural relic comprises descriptive text information, picture data, audio data and video data.
5. The digital cultural relic safety sharing system of claim 2 or 3, wherein the client further comprises a data destruction module;
the data destruction module is used for completely deleting the digital cultural relic data which does not need to be stored at the client.
6. The digital cultural relic secure sharing system of claim 5, wherein the client further comprises a data storage module;
and the data storage module is used for storing the grading data of the digital cultural relics by the user with the storage authority through the client.
7. The digital cultural relic secure sharing system according to claim 6, wherein the access information metadata adding unit adds the access information in the metadata of the hierarchical data of the digital cultural relic, which comprises access user information, access time, and client IP.
8. The digital cultural relic secure sharing system of claim 7, wherein the user data comprises basic information of the user, access rights of the data and storage rights of the data.
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