CN110197245B - Double-code two-dimensional code and cross-platform interaction method thereof - Google Patents
Double-code two-dimensional code and cross-platform interaction method thereof Download PDFInfo
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- CN110197245B CN110197245B CN201910350062.8A CN201910350062A CN110197245B CN 110197245 B CN110197245 B CN 110197245B CN 201910350062 A CN201910350062 A CN 201910350062A CN 110197245 B CN110197245 B CN 110197245B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—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
- G06K19/06009—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
- 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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- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—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
- G06K19/06009—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
- G06K19/06046—Constructional details
- G06K19/06056—Constructional details the marking comprising a further embedded marking, e.g. a 1D bar code with the black bars containing a smaller sized coding
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Abstract
The invention provides a cross-platform interaction method for a double-code system two-dimension code and a double-code system two-dimension code. And the original code value can be obtained after decoding by different two-level two-dimension code platforms, so that one two-dimension code can be used on different mechanism service platforms, and the safety can be greatly improved.
Description
Technical Field
The invention relates to the technical field of two-dimensional code application, in particular to a double-code system two-dimensional code and a cross-platform interaction method based on the double-code system two-dimensional code.
Background
With the development of the mobile internet, an application mode using a two-dimensional code as an interaction carrier gradually becomes a main stream mode of performing online interaction of internet application, for example, collecting and paying based on the two-dimensional code in a transaction scene, friend adding based on the two-dimensional code in a social scene, business handling based on the two-dimensional code in a public service field and the like. The main stream two-dimension code standard in the Internet application adopts the national standard of QRCODE GB/T18284-2000, and the invention improves the two-dimension code coding mode and innovates the application scene based on the national standard of QRCODE GB/T18284-2000.
The existing QRCODE two-dimensional code standard is a two-dimensional code pattern generated based on GB/T18284-2000 quick response matrix code standard, the pattern has the characteristics of being quickly identified, transmitted, low in cost and the like, but the characteristics can lead to the fact that data carried by the two-dimensional code can be 100% read and restored, and in extreme cases, the pattern can be tampered and cannot be verified.
In an application scene, the traditional service two-dimension codes are generated and verified by the service platforms of respective applications, the different service platforms are mutually independent, and code system standards are quite different, so that the two-dimension codes cannot be applied in a cross-platform mode, and even if one central two-dimension code platform is established to perform uniform code sending and code verification, customization can not be performed according to the service attributes of the service platforms.
Accordingly, the present invention focuses on solving the two problems described above. On the application scene, a mode of splicing the two-dimensional codes of the secondary mechanism by the central two-dimensional code is adopted, so that one two-dimensional code can be used on different mechanism service platforms. Technically, a mode of setting a hidden area and confusing abstract signature data is adopted, namely, the byte data of the abstract signature data is extracted through a random algorithm to be confusing and hidden, so that the non-public data is hidden, and the signature information is not readable.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-code two-dimensional code and a cross-platform interaction method thereof, wherein an A code value is generated through a central two-dimensional code platform, a B code value is generated through a two-level two-dimensional code platform, the A code value and the B code value are combined, encrypted and signed, and the original code value is obtained after decoding through different two-level two-dimensional code platforms, so that one two-dimensional code can be used on different mechanism service platforms, and the safety is greatly improved.
The double-code two-dimensional code is realized by the following steps: a double-code two-dimensional code is obtained by combining an A code value and a B code value, encrypting, signing and then generating by a client, wherein the A code value is generated by a central two-dimensional code platform, and the B code value is generated by a two-dimensional code platform.
Further, at least one code value of the A code value or the B code value comprises visible data and invisible data, the visible data and the invisible data are output in the form of a binary module layout chart after being processed by a code chart chip algorithm, and the invisible data are hidden in a two-dimensional code data area and a two-dimensional code error correction area.
The cross-platform interaction method is realized as follows: a cross-platform interaction method of a double-code two-dimensional code comprises a code generation process and a decoding process;
the code generation process is as follows: generating an A code value through a central two-dimensional code platform, generating a B code value through a two-level two-dimensional code platform, combining the A code value and the B code value, encrypting, signing, and generating a double-code two-dimensional code through a client;
the decoding process is: and on the two-dimensional code platforms, reading the two-dimensional code of the double-code system of the client through the code scanning equipment, and decoding according to the requirements of the two-dimensional code platforms, so that the original code value is restored.
Further, at least one code value of the A code value or the B code value comprises visible data and invisible data, the visible data and the invisible data are output in the form of a binary module layout chart after being processed by a code chart chip algorithm, and the invisible data are hidden in a two-dimensional code data area and a two-dimensional code error correction area.
Further, during code generation, the client amplifies the binary module layout according to the equipment size and generates a double-code two-dimensional code after LOGO is superimposed.
Further, in the decoding process, the restored original code value includes the original code values of the visible data and the invisible data.
The invention has the following advantages: the invention adopts the double-code system two-dimension code generated by the A code and the B code, and because the A code value is issued by the central two-dimension code platform, the A code value can be decoded on other two-dimension code platforms no matter on which two-dimension code platform the user generates the double-code system two-dimension code, thereby realizing scene intercommunication of the client applied to the central two-dimension code platform and the two-dimension code platform; compared with the traditional QRCODE two-dimensional code, the double-code two-dimensional code can hide core privacy data, strengthen privacy protection in an offline verification scene, provide an anti-counterfeiting verification function for the two-dimensional code by utilizing the section of privacy data, and greatly improve safety.
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The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an a code value and a B code value of a two-dimensional code of a dual code system according to the present invention.
Fig. 2 is a schematic diagram of a code generation process of a two-dimensional code with double code systems according to the present invention.
Fig. 3 is a schematic diagram of a code verification process of a two-dimensional code with a double code system according to the present invention.
Detailed Description
Referring to fig. 1 to 3, the code generation or verification system for a two-dimensional code with a double code system of the present invention includes a central two-dimensional code platform and a plurality of two-dimensional code platforms. In a specific implementation, the center two-dimensional code platform and each two-dimensional code platform in the system adopt the same security chip, so that each platform is guaranteed to have the same secret key, and the correct code value can be solved in the code verification process.
According to the double-code two-dimensional code, the A code value is generated through the central two-dimensional code platform, the B code value is generated through the two-level two-dimensional code platform, at least one of the A code value or the B code value contains visible data and invisible data, as shown in fig. 1, wherein the A code value and the B code value both contain visible data and invisible data.
Then as shown in fig. 2, the a code value and the B code value are combined, the visible data and the invisible data are divided, the invisible data are encrypted, the whole data are signed, and the hidden data are hidden, when the hidden is performed, the byte data of the summary signature data are extracted through a random algorithm to be confused and hidden, the whole data are output in the form of a binary module layout chart after being processed by a code chart algorithm, the visible data are distributed in conventional data points, the invisible data are hidden in a two-dimensional code data area and a two-dimensional code error correction area, and then a client generates a double-code two-dimensional code according to the display size. The steps of combining, encrypting, signing and the like can be realized by a two-level two-dimension code platform.
The code pattern algorithm is a two-dimensional code pattern generation algorithm for realizing the two-dimensional code of the double code system, the algorithm selects a proper two-dimensional code version and error correction level according to the capacity of input data, the data area to be hidden is subjected to hiding processing, and a minimized bit module layout pattern is generated according to the two-dimensional code pattern. Specific reference may be made to the method disclosed in China whose publication date is 20180918 and whose application number is CN201810202928.6 as "a two-dimensional code data hiding method, a data extraction method and a device".
Referring to fig. 1 to fig. 3, based on the above-mentioned two-dimensional code with double code system, the present invention further provides a cross-platform interaction method, which includes a code generation process and a decoding process;
as shown in fig. 2, the code generation process is: generating an A code value through a central two-dimensional code platform, generating a B code value through a two-level two-dimensional code platform, wherein at least one code value of the A code value or the B code value comprises visible data and invisible data as shown in fig. 1, combining the A code value and the B code value as shown in fig. 2, dividing the combination into the visible data and the invisible data, encrypting the invisible data, signing the whole data, hiding the hidden data, and outputting the whole data in a binary module layout pattern mode after processing the whole data through a code pattern chip algorithm when the whole data is hidden, wherein the visible data is distributed in a conventional data point, the invisible data is hidden in a two-dimensional code data area and a two-dimensional code error correction area, generating a double-code two-dimensional code by a client, and generating the double-code two-dimensional code by the client;
when generating the code, the client amplifies the binary module layout according to the equipment size and generates the double-code two-dimensional code after superposing LOGO.
As shown in fig. 3, the decoding process is: and shooting the double-code two-dimensional code image of the client through code scanning equipment comprising a decoding chip, recovering hidden data according to a code graph algorithm, wherein the recovered original code value comprises an original code value of visible data and invisible data in the A code value and the B code value.
An example of application of the present invention will now be described:
for example, a national center digital identity two-dimensional code platform can be set up as a central two-dimensional code platform, provincial digital identity two-dimensional code platforms are respectively set up in each provincial area, the national center digital identity two-dimensional code platform is responsible for A code signing, the provincial digital identity two-dimensional code platform is responsible for B code signing, and B code and A code are synthesized, encrypted, signed, hidden data and the like. The A code contains user information, has unique authority, can be used for determining the identity of a user, and the B code contains service information.
When a user generates a double-code system two-dimension code by using a client of any provincial digital identity two-dimension code platform (hereinafter referred to as a first provincial digital identity two-dimension code platform), and when other provincial digital identity two-dimension code platforms (hereinafter referred to as second provincial digital identity two-dimension code platforms) are used, the second provincial digital identity two-dimension code platform scans and then performs signature verification on the double-code system two-dimension code, splits the code value into an A code value and a B code value, and then sends the A code value to a central two-dimension code platform to request the code verification; after the center flat two-dimensional code platform tests the code, obtaining the unique identification of the user digital identity, and returning a code testing result to the second provincial digital identity two-dimensional code platform; after the second provincial digital identity two-dimensional code platform obtains the unique identification of the user digital identity, the identity of the user is confirmed, then the double-code two-dimensional code is decrypted to obtain application service data, and the user can transact the service. Thus realizing the real one-code passing and having great flexibility.
Because the A code value is issued by the central two-dimensional code platform, the A code value can be decoded on other two-dimensional code platforms no matter on which two-dimensional code platform the user generates the double-code two-dimensional code, so that scene intercommunication of the client applied to the central two-dimensional code platform and the two-dimensional code platform is realized; and then, extracting part of byte data of the summary signature data by a random algorithm to be confused and hidden, so that the non-public data is hidden, and compared with the traditional QRCODE two-dimensional code, the privacy protection is enhanced in an offline verification scene, the hidden data can be utilized to provide an anti-counterfeiting verification function for the two-dimensional code, the non-legibility of signature information is improved greatly, and the safety is improved greatly.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a two-dimensional code of double code system which characterized in that: the method comprises the steps of combining an A code value and a B code value, encrypting, signing and then generating by a client, wherein the A code value is generated by a central two-dimensional code platform, the B code value is generated by a two-dimensional code platform, the A code contains user information, and the B code contains service information; the system comprises a central two-dimensional code platform and a plurality of two-dimensional code platforms, wherein the central two-dimensional code platform and each two-dimensional code platform in the system adopt the same security chip, and correct code values are solved in the code verification process through the same secret key; the double-code system two-dimensional code generated on any two-level two-dimensional code platform by a user contains an A code value, and the A code value can be decoded on other two-level two-dimensional code platforms;
and on the two-dimensional code platforms, reading the two-dimensional code of the double-code system of the client through the code scanning equipment, and decoding according to the requirements of the two-dimensional code platforms, so as to restore the original code value comprising the A code value and the B code value.
2. The two-dimensional code of claim 1, wherein: at least one code value of the A code value or the B code value comprises visible data and invisible data, the visible data and the invisible data are output in the form of a binary module layout chart after being processed, and the invisible data are hidden in a two-dimensional code data area and a two-dimensional code error correction area.
3. A cross-platform interaction method for a double-code two-dimensional code is characterized by comprising the following steps of: the method comprises a code generation process and a decoding process;
the code generation process is as follows: generating an A code value through a central two-dimensional code platform, generating a B code value through a two-level two-dimensional code platform, combining the A code value and the B code value, encrypting, signing, and generating a double-code two-dimensional code through a client; the A code contains user information, and the B code contains service information; the system comprises a central two-dimensional code platform and a plurality of two-level two-dimensional code platforms; the double-code system two-dimensional code generated on any two-level two-dimensional code platform by a user contains an A code value, and the A code value can be decoded on other two-level two-dimensional code platforms;
the decoding process is: on the two-level two-dimensional code platforms, after reading the double-code system two-dimensional code of the client through the code scanning equipment, decoding according to the requirements of the respective two-level two-dimensional code platforms, so as to restore an original code value comprising an A code value and a B code value;
the center two-dimensional code platform and each two-dimensional code platform in the system adopt the same security chip, and correct code values are solved in the code verification process through the same secret key.
4. The cross-platform interaction method for the two-dimensional code of the double-code system according to claim 3, wherein the cross-platform interaction method is characterized by comprising the following steps of: at least one code value of the A code value or the B code value comprises visible data and invisible data, the visible data and the invisible data are output in the form of a binary module layout chart after being processed by a code chart chip algorithm, and the invisible data are hidden in a two-dimensional code data area and a two-dimensional code error correction area.
5. The cross-platform interaction method for the two-dimensional code of the double-code system, which is disclosed in claim 4, is characterized in that: when generating the code, the client amplifies the binary module layout according to the equipment size and generates the double-code two-dimensional code after superposing LOGO.
6. The cross-platform interaction method for the two-dimensional code of the double-code system, which is disclosed in claim 4, is characterized in that: in the decoding process, the restored original code value includes the original code values of visible data and invisible data.
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| CN112926969B (en) * | 2021-02-07 | 2022-07-05 | 新大陆（福建）公共服务有限公司 | Payment method and device based on trusted digital identity two-dimensional code |
| CN112861109B (en) * | 2021-02-07 | 2022-03-25 | 新大陆（福建）公共服务有限公司 | Digital identity code generated based on CTID platform and front-end system and interaction method |
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