CN109344941B - Big data secure sharing method and device - Google Patents
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- CN109344941B CN109344941B CN201811018687.6A CN201811018687A CN109344941B CN 109344941 B CN109344941 B CN 109344941B CN 201811018687 A CN201811018687 A CN 201811018687A CN 109344941 B CN109344941 B CN 109344941B
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- 238000004590 computer program Methods 0.000 claims description 10
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000013075 data extraction Methods 0.000 claims description 3
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- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
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- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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Abstract
The invention discloses a big data safety sharing method and a device, which convert key data of government affair big data, namely a main key, into a two-dimensional code picture, embed other data into the two-dimensional code picture, and safely share the data in a form of sharing and transmitting the two-dimensional code picture.
Description
Technical Field
The disclosure relates to the technical field of data security, in particular to a big data security sharing method and device.
Background
In the process of sharing and transmitting the big data, the data is easy to leak and be cracked, the structure of the big data has the characteristic of multi-source heterogeneity and is composed of different important information, and key information in the data is easy to intercept and capture by an illegal user and read easily in the process of storing and transmitting even in the process of sharing communication. In the fields of copyright, communication, file sharing and the like, phenomena of interception and the like of shared information by illegal users often occur, the security of data sharing is seriously damaged, uncontrollable risks are caused in the communication process of big data, and the leakage risk cannot be predicted.
Disclosure of Invention
In order to solve the above problems, the present disclosure provides a method and an apparatus for securely sharing big data, in which key data of government affair big data, i.e., a primary key, is converted into a two-dimensional code picture, and other data is embedded into the two-dimensional code picture, so as to securely share data in a form of sharing and transmitting the two-dimensional code picture.
In order to achieve the above object, according to an aspect of the present disclosure, there is provided a big data secure sharing method, the method including:
a data reading stage:
step 1, reading government affair big data;
step 2, converting key data of the government affair big data into a two-dimensional code picture;
step 3, embedding the relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture,
and (3) a data sharing stage:
step 4, sharing and reading the embedded picture;
step 5, extracting relevant data from the embedded picture;
and 6, reading key data from the two-dimensional code embedded with the picture.
Further, in step 1, the big government data is composed of a plurality of data combinations, each data combination is composed of key data and related data, the value of the key data can uniquely identify each data combination in the big government data, and the related data is the rest of the data combination except the key data.
Further, in step 2, the step of converting the key data of the government affair big data into the two-dimensional code picture is as follows:
step 2.1, encoding key data of the government affair big data according to a standard two-dimensional code encoding rule;
step 2.2, generating a two-dimensional code matrix by the codes;
and 2.3, rendering the two-dimension code matrix into two-dimension code picture data.
Further, in step 3, embedding the relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture comprises the following substeps,
step 3.1, converting the relevant data of the government affair big data into a continuous text bit stream;
step 3.2, embedding the text bit stream to be embedded into the redundant bits of R, G, B components of each pixel of the two-dimensional code picture, namely the lower three bits of the R component, the lowest bit of the G component and the lower two bits of the B component;
and 3.2, generating an embedded picture after embedding the text bit stream.
Further, in step 4, the shared reading embedded picture is embedded picture data that can be read by users using different computers and different software in different places.
Further, in step 5, the method of extracting relevant data from the embedded picture is such that it comprises the sub-steps of,
step 5.1, a text bitstream is composed from the lower three bits of the R component, the lowest bit of the G component, the lower two bits of the B component of each pixel of the embedded picture,
and 5.2, reading relevant data of the government affair big data from the text bit stream.
Further, in step 6, the method for reading the key data from the two-dimensional code embedded in the picture is that the source code is,
step 6.1, constructing a two-dimensional code decoder;
and 6.2, reading key data from the two-dimensional code embedded in the picture through a two-dimensional code decoder.
The invention also provides a big data security sharing device, which comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to operate in the following units of the apparatus:
the data reading unit is used for reading government affair big data;
the two-dimension code conversion unit is used for converting key data of the government affair big data into a two-dimension code picture;
the data embedding unit is used for embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture;
the data sharing unit is used for sharing and reading the embedded pictures;
a data extraction unit for extracting relevant data from the embedded picture;
and the two-dimensional code reading unit is used for reading key data from the two-dimensional code embedded in the picture.
The beneficial effect of this disclosure does: the invention provides a big data safety sharing method and device, which have strong cross-domain compatibility, can conveniently carry out cross-system and cross-platform data sharing, can realize cross-system and data sharing among different platforms, does not need to carry out data encryption, and ensures the safety of shared data.
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The foregoing and other features of the present disclosure will become more apparent from the detailed description of the embodiments shown in conjunction with the drawings in which like reference characters designate the same or similar elements throughout the several views, and it is apparent that the drawings in the following description are merely some examples of the present disclosure and that other drawings may be derived therefrom by those skilled in the art without the benefit of any inventive faculty, and in which:
FIG. 1 is a flow chart of a big data secure sharing method;
fig. 2 is a diagram of a big data security sharing device.
Detailed Description
The conception, specific structure and technical effects of the present disclosure will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, aspects and effects of the present disclosure. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a flow chart of a big data secure sharing method according to the present disclosure, and a big data secure sharing method according to an embodiment of the present disclosure is described below with reference to fig. 1.
The disclosure provides a big data security sharing method, which specifically comprises the following steps:
a data reading stage:
step 1, reading government affair big data;
step 2, converting key data of the government affair big data into a two-dimensional code picture;
step 3, embedding the relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture,
and (3) a data sharing stage:
step 4, sharing and reading the embedded picture;
step 5, extracting relevant data from the embedded picture;
and 6, reading key data from the two-dimensional code embedded with the picture.
Further, in step 1, the big government data is composed of a plurality of data combinations, each data combination is composed of key data and related data, the value of the key data can uniquely identify each data combination in the big government data, the related data is the rest of the data combination excluding the key data, for example, the data combination of one big government data is a uniform social credit code of an enterprise, a business name, a contact address and a contact telephone, the key data of the data combination of the big government data is the uniform social credit code, and the related data is the business name, the contact address and the contact telephone.
Further, in step 2, the step of converting the key data of the government affair big data into the two-dimensional code picture is as follows:
step 2.1, encoding key data of the government affair big data according to a standard two-dimensional code encoding rule;
step 2.2, generating a two-dimensional code matrix by the codes;
and 2.3, rendering the two-dimension code matrix into two-dimension code picture data.
Further, a two-dimensional code matrix is generated by encoding, and source codes for rendering the two-dimensional code matrix into two-dimensional code picture data are as follows:
further, in step 3, embedding the relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture comprises the following substeps,
step 3.1, converting the relevant data of the government affair big data into a continuous text bit stream;
step 3.2, embedding the text bit stream to be embedded into the redundant bits of R, G, B components of each pixel of the two-dimensional code picture, namely the lower three bits of the R component, the lowest bit of the G component and the lower two bits of the B component;
and 3.2, generating an embedded picture after embedding the text bit stream.
Preferably, embedding relevant data of the government affair big data into the two-dimensional code picture to generate a source code of the embedded picture as follows:
further, in step 4, the shared reading embedded picture is embedded picture data that can be read by users using different computers and different software in different places.
Further, in step 5, the method of extracting relevant data from the embedded picture is such that it comprises the sub-steps of,
step 5.1, a text bitstream is composed from the lower three bits of the R component, the lowest bit of the G component, the lower two bits of the B component of each pixel of the embedded picture,
and 5.2, reading relevant data of the government affair big data from the text bit stream.
Preferably, the source code of the method of extracting relevant data from an embedded picture is as follows:
further, in step 6, the method for reading the key data from the two-dimensional code embedded in the picture is that the source code is,
step 6.1, constructing a two-dimensional code decoder;
and 6.2, reading key data from the two-dimensional code embedded in the picture through a two-dimensional code decoder.
A two-dimensional code decoder, a method for reading key data from a two-dimensional code embedded in a picture,
MultiFormatReader mutiReader＝new com.google.zxing.MultiFormatReader()；
Bitmap img＝(Bitmap)Bitmap.FromFile(opFilePath)；
if(img＝＝null)return；
LuminanceSource ls＝new RGBLuminanceSource(img,img.Width,img.Height)；
BinaryBitmap bb＝new BinaryBitmap(new com.google.zxing.common.HybridBinarizer(ls))；
Hashtable hints＝new Hashtable()；
hints.Add(EncodeHintType.CHARACTER_SET,"UTF-8")；
Result r＝mutiReader.decode(bb,hints)；
txtmsg2.Text＝r.Text。
an embodiment of the present disclosure provides a big data security sharing device, as shown in fig. 2, a big data security sharing device diagram of the present disclosure, where the big data security sharing device of the embodiment includes: the device comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps in the embodiment of the big data security sharing device.
The device comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to operate in the following units of the apparatus:
the data reading unit is used for reading government affair big data;
the two-dimension code conversion unit is used for converting key data of the government affair big data into a two-dimension code picture;
the data embedding unit is used for embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture;
the data sharing unit is used for sharing and reading the embedded pictures;
a data extraction unit for extracting relevant data from the embedded picture;
and the two-dimensional code reading unit is used for reading key data from the two-dimensional code embedded in the picture.
The big data security sharing device can be operated in computing equipment such as desktop computers, notebooks, palm computers and cloud servers. The large data security sharing device can be operated by a device comprising, but not limited to, a processor and a memory. It will be understood by those skilled in the art that the example is only an example of a big data security sharing apparatus, and does not constitute a limitation of a big data security sharing apparatus, and may include more or less components than the whole, or combine some components, or different components, for example, the big data security sharing apparatus may further include an input/output device, a network access device, a bus, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor, etc., the processor is the control center of the big data security sharing device operation device, and various interfaces and lines are used to connect various parts of the whole big data security sharing device operation device.
The memory can be used for storing the computer programs and/or modules, and the processor can realize various functions of the big data security sharing device by running or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
While the present disclosure has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the disclosure by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the disclosure in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the disclosure, not presently foreseen, may nonetheless represent equivalent modifications thereto.
Claims (4)
1. A big data secure sharing method is characterized by comprising the following steps:
a data reading stage:
step 1, reading government affair big data;
step 2, converting key data of the government affair big data into a two-dimensional code picture;
step 3, embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture;
and (3) a data sharing stage:
step 4, sharing and reading the embedded picture;
step 5, extracting relevant data from the embedded picture;
step 6, reading key data from the two-dimensional code embedded with the picture;
in step 1, the government affair big data consists of a plurality of data combinations, each data combination consists of key data and related data, the value of the key data can uniquely identify each data combination in the government affair big data, and the related data is the rest of the data combination except the key data;
in step 2, the step of converting the key data of the government affair big data into the two-dimensional code picture is as follows:
step 2.1, encoding key data of the government affair big data according to a standard two-dimensional code encoding rule;
step 2.2, generating a two-dimensional code matrix by the codes;
step 2.3, rendering the two-dimensional code matrix into two-dimensional code picture data;
in step 3, embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture comprises the following substeps,
step 3.1, converting the relevant data of the government affair big data into a continuous text bit stream;
step 3.2, embedding the text bit stream to be embedded into the redundant bits of R, G, B components of each pixel of the two-dimensional code picture, namely the lower three bits of the R component, the lowest bit of the G component and the lower two bits of the B component;
and 3.2, generating an embedded picture after embedding the text bit stream.
2. The big data security sharing method according to claim 1, wherein in step 5, the method for extracting the related data from the embedded picture comprises the following sub-steps,
step 5.1, forming a text bit stream from the lower three bits of the R component, the lowest bit of the G component and the lower two bits of the B component of each pixel of the embedded picture;
and 5.2, reading relevant data of the government affair big data from the text bit stream.
3. The big data security sharing method according to claim 1, wherein in step 6, the method source code for reading the key data from the two-dimensional code embedded in the picture is,
step 6.1, constructing a two-dimensional code decoder;
and 6.2, reading key data from the two-dimensional code embedded in the picture through a two-dimensional code decoder.
4. A big data secure sharing apparatus, the apparatus comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to operate in the following units of the apparatus:
the data reading unit is used for reading government affair big data;
the two-dimension code conversion unit is used for converting key data of the government affair big data into a two-dimension code picture;
the data embedding unit is used for embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture;
the data sharing unit is used for sharing and reading the embedded pictures;
a data extraction unit for extracting relevant data from the embedded picture;
the two-dimensional code reading unit is used for reading key data from the two-dimensional code embedded in the picture;
the government affair big data consists of a plurality of data combinations, each data combination consists of key data and related data, the value of the key data can uniquely identify each data combination in the government affair big data, and the related data is the rest of the data combination except the key data;
the step of converting the key data of the government affair big data into the two-dimensional code picture comprises the following steps:
step 2.1, encoding key data of the government affair big data according to a standard two-dimensional code encoding rule;
step 2.2, generating a two-dimensional code matrix by the codes;
step 2.3, rendering the two-dimensional code matrix into two-dimensional code picture data;
embedding relevant data of the government affair big data into the two-dimensional code picture to generate an embedded picture comprises the following substeps,
step 3.1, converting the relevant data of the government affair big data into a continuous text bit stream;
step 3.2, embedding the text bit stream to be embedded into the redundant bits of R, G, B components of each pixel of the two-dimensional code picture, namely the lower three bits of the R component, the lowest bit of the G component and the lower two bits of the B component;
and 3.2, generating an embedded picture after embedding the text bit stream.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908155A (en) * | 2010-06-08 | 2010-12-08 | 真心彩网络科技(上海)有限公司 | The coded system of two-dimension code and method, decode system and method |
| CN102243714A (en) * | 2010-07-20 | 2011-11-16 | 真软件株式会社 | Two-dimensional code, coding system and method of two-dimensional code |
| JP2014106887A (en) * | 2012-11-29 | 2014-06-09 | Samsung R&D Institute Japan Co Ltd | Two-dimensional color code, generation method and reading method for the same, and two-dimensional color code reading apparatus |
| CN105706107A (en) * | 2013-11-07 | 2016-06-22 | 斯坎特拉斯特股份有限公司 | Two dimensional barcode and method of authentication of such barcode |
-
2018
- 2018-09-03 CN CN201811018687.6A patent/CN109344941B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908155A (en) * | 2010-06-08 | 2010-12-08 | 真心彩网络科技(上海)有限公司 | The coded system of two-dimension code and method, decode system and method |
| CN102243714A (en) * | 2010-07-20 | 2011-11-16 | 真软件株式会社 | Two-dimensional code, coding system and method of two-dimensional code |
| JP2014106887A (en) * | 2012-11-29 | 2014-06-09 | Samsung R&D Institute Japan Co Ltd | Two-dimensional color code, generation method and reading method for the same, and two-dimensional color code reading apparatus |
| CN105706107A (en) * | 2013-11-07 | 2016-06-22 | 斯坎特拉斯特股份有限公司 | Two dimensional barcode and method of authentication of such barcode |
Non-Patent Citations (1)
| Title |
|---|
| 《BMP图像的文本信息隐藏算法》;唐琳，黄猛，孙明珠;《电脑编程技巧与维护》;20071130;第65-67页 * |
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