CN106372937B - certificate issuing system and method - Google Patents
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- CN106372937B CN106372937B CN201610796929.9A CN201610796929A CN106372937B CN 106372937 B CN106372937 B CN 106372937B CN 201610796929 A CN201610796929 A CN 201610796929A CN 106372937 B CN106372937 B CN 106372937B
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3821—Electronic credentials
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Abstract
The invention discloses a voucher issuing system and a method, wherein the service system comprises: the system comprises a service information generation module and a distribution association module, wherein the service information generation module generates service information according to service content, and the distribution association module distributes and associates auxiliary codes for the service information according to the auxiliary codes issued by the management system to form information of association between the service information and the auxiliary codes. The management system includes: the electronic certificate comprises an auxiliary code generating module, a code pattern generating module and an electronic certificate generating module, wherein the code pattern generating module generates a corresponding code pattern according to the auxiliary code, the electronic certificate generating module extracts the corresponding code pattern according to the auxiliary code in the service information and auxiliary code associated information sent by the service system, the code pattern is associated with the service information and auxiliary code associated information to generate an electronic certificate, and the electronic certificate is directly sent to a user system by a management system through a communication system.
Description
Technical Field
the invention relates to the technical field of electronic certificate issuing management, in particular to a certificate issuing system and method.
Background
Electronic vouchers are widely used in the field of electronic identification and electronic payment vouchers. The typical certificate issuing system comprises a two-dimensional code providing platform, a service information platform, a communication platform and a mobile terminal. The two-dimension code providing platform is used as a code sending mechanism, and the two-dimension code is compiled and sent to a merchant according to the needs of the merchant; the service information platform is a platform for generating service content information, such as a ticket booking service platform, and generates information such as date, time, seat, payment condition and the like according to the requirements of users. The communication platform is used for connecting the service platform and the mobile terminal and sending the two-dimensional code to the mobile terminal as an electronic certificate. The most common form of mobile terminal is a smart phone.
And the two-dimension code providing platform provides the two-dimension code for the electronic certificate for the service information platform and authorizes the use. And the service information platform associates the acquired two-dimension codes with service information, namely one two-dimension code corresponds to one service content. The two-dimensional code is associated with the service information and then serves as an electronic certificate, and the electronic certificate is sent to a mobile terminal of a user, such as a smart phone, through a communication platform by a service information platform.
When the electronic certificate verifying system is used, a user displays the two-dimensional code electronic certificate on a screen of a mobile terminal such as a mobile phone and the like, the two-dimensional code electronic certificate is read by a reading terminal connected with a service information platform, the service information platform confirms the authenticity of the electronic certificate through comparison according to records in a database, and a verification result is sent to the reading terminal, so that the user is allowed or refused to use the electronic certificate.
In the above conventional credential issuing system, since the service information platform is both a generation platform of service information and a verification platform of an electronic credential, the uniqueness of the electronic credential cannot be sufficiently ensured. That is, the merchant using the service information platform can reuse the two-dimensional code that has been used for generating the electronic certificate according to the needs of the merchant, such as reducing the use cost of the two-dimensional code. And the two-dimensional code generation system is open source, and is easy to counterfeit, illegal merchants can generate electronic certificates without a third party management platform (such as two-dimensional codes provided by a legal two-dimensional code providing platform), and can directly send counterfeit two-dimensional code electronic certificates to the hands of consumers, so that the conventional verification system cannot effectively verify the authenticity of the electronic certificates, and losses are easily brought to the merchants and the consumers.
The existing two-dimensional code adopts a graphic format for both transmission and storage, so that a lot of inconvenience exists in application. It takes up relatively much communication resources, which means that relatively long communication time and relatively high communication cost are required for consumers. In addition, the picture spreading form also has limitations on receiving devices (such as mobile phones) and communication networks, mobile phones (such as non-smart mobile phones) of many users may not receive and transmit the two-dimensional code pictures (for example, the two-dimensional code pictures need to be received and transmitted in a multimedia message manner), or the two-dimensional code pictures are lost due to the reason of the communication networks, both of which result in a low arrival rate of the two-dimensional code application based on the current spreading manner, and in addition, the storage of the two-dimensional code pictures also means a large storage amount, which is generally unacceptable for mobile terminals with limited storage capacity. The picture storage also makes it difficult for consumers to quickly and accurately find the desired two-dimensional code picture.
Disclosure of Invention
Therefore, the invention provides a certificate issuing system and a method, and aims to solve the problems that the conventional certificate issuing system cannot effectively monitor the issuing and verification of an electronic certificate, the issued electronic certificate has poor anti-counterfeiting effect and is easy to counterfeit;
The second purpose is to solve the problems of large occupied communication resources, large required storage space and difficult retrieval of the existing electronic voucher.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
A first technical solution is a credential issuing system, characterized by comprising: a service system 1, a management system 2, a communication system 3 and a user system 4,
The service system 1 includes: the system comprises a first communication module 1a, a service information generation module 1b, an allocation association module 1c and a first code reading terminal management module 1d, wherein the service information generation module 1b generates service information according to service content, the allocation association module 1c allocates and associates auxiliary codes for the service information according to the auxiliary codes issued by the management system 2 to form information associated with the service information and the auxiliary codes, the first communication module 1a is used for communicating with the management system 2, receiving the auxiliary codes sent by the management system 2 and sending the information associated with the service information and the auxiliary codes to the management system 2, and the first code reading terminal management module 1d stores the information of a code reading terminal;
The management system 2 includes: a second communication module 2a, an auxiliary code generating module 2b, a code pattern generating module 2c, an electronic certificate generating module 2d and a second code reading terminal management module 2e, wherein the auxiliary code generating module 2b generates an auxiliary code according to a set rule, the code pattern generating module 2c generates a corresponding code pattern according to the auxiliary code, the electronic certificate generating module 2d extracts the corresponding code pattern from the code pattern generating module 2c according to the auxiliary code in the information relating the service information and the auxiliary code sent by the service system 1, associates the code pattern with the information relating the service information and the auxiliary code to generate an electronic certificate, the second communication system 2a is used for communicating with the service system 1 to send the auxiliary code to the service system 1 and receive the information relating the service information and the auxiliary code sent by the service system 1, and sends the electronic certificate to the user system 4 through the communication system 3, the second code reading terminal management module 2e stores the information of the code reading terminal;
The user system 4 includes: the system comprises a display module 4b and a third communication module 4a, wherein the third communication module 4a is used for receiving the electronic certificate sent by the management system 2 through the communication system 3, and the display module 4b at least displays or sends a code pattern in the electronic certificate to a code reading terminal in a wireless mode.
The second technical solution is based on the first technical solution, and is characterized in that the display module 4b displays or wirelessly transmits all information in the electronic certificate to a code reading terminal.
A third technical solution is based on the first technical solution, and is characterized in that the auxiliary code is a serial number composed of numbers and/or half-letters english letters that can be recognized and displayed by the electronic device.
A fourth technical solution is based on the first technical solution, and is characterized in that the code pattern is a text character code pattern which can be sent and received through a short message.
a fifth technical means is the video encoding device of any one of the first to fourth technical means, wherein the code pattern is a closed code whose encoding method is not disclosed.
a sixth technical means is the first technical means, wherein the business system 1 is a business system that registers with the management system 2 and obtains authorization from the management system 2.
A seventh technical solution is a credential issuing method, characterized in that the credential issuing method includes the steps of:
Step S1: the auxiliary code is issued by the management system 2 to the business system 1,
Step S2: the service system 1 generates service information according to the service content, distributes and associates auxiliary codes for the service information according to the auxiliary codes sent by the management system 2, generates information of the service information and the auxiliary codes,
Step S3: the management system 2 extracts the corresponding code pattern by the code pattern generating module according to the preset corresponding relation between the auxiliary code and the code pattern in the service information and auxiliary code associated information, associates the code pattern with the service information and auxiliary code associated information to generate the electronic certificate,
Step S4, the management system 2 at least sends the code pattern of the electronic certificate to the user system 4 through the communication system 3.
an eighth technical means is based on the seventh technical means, and is characterized in that the auxiliary code is a code composed of numbers and/or half-letters english letters that can be recognized and displayed by the electronic device.
A ninth technical solution is based on the seventh technical solution, and is characterized in that the code pattern is a text character code pattern capable of sending and receiving short messages.
A tenth technical means is the video encoding device of any one of the seventh to the ninth technical means, wherein the code pattern is a closed code whose encoding method is not disclosed.
The invention has the advantages and beneficial effects that: the certificate issuing system comprises a business system, a management system, a communication system and a user system, can effectively monitor issuing and verification of the electronic certificate, realizes verification of the electronic certificate through the management system, and improves anti-counterfeiting effect of the electronic certificate.
Drawings
figure 1 is a diagram of a credential issuance system according to an embodiment of the present invention,
Figure 2 is a diagram of a credential issuance system including a particular embodiment of a merchant system of the present invention,
Figure 3 is a flow diagram of a credential issuance method in an embodiment of the present invention,
Fig. 4 is a diagram of a movie ticket voucher according to an embodiment of the present invention.
reference numerals:
1-a business system, 2-a management system,
3-a communication system, 4-a user system,
5-merchant system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a diagram of a credential issuance system according to an embodiment of the present invention, and as shown in fig. 1, the credential issuance system includes: a service system 1, a management system 2, a communication system 3 and a user system 4.
The service system 1 is a service system which registers with the management system 2 and obtains authorization of the management system 2, and includes: the system comprises a first communication module 1a, a service information generation module 1b, an allocation correlation module 1c and a first code reading terminal management module 1 d. The service information generating module 1b generates service information according to service content, the distribution association module 1c distributes and associates an auxiliary code for the service information according to the auxiliary code issued by the management system 2 to form information of service information and auxiliary code association, and the first communication system 1a is used for communicating with the management system 2, receiving the auxiliary code sent by the management system 2 and sending information of service information and auxiliary code association to the management system 2. The first code reading terminal management module 1d stores information of the code reading terminal, and the information of the code reading terminal includes an address where the code reading terminal device is located, attribution information of who the code reading terminal is assigned to, a number of the code reading terminal device, and the like.
The management system 2 includes: a second communication module 2a, an auxiliary code generating module 2b, a code pattern generating module 2c, an electronic certificate generating module 2d and a second code reading terminal management module 2e, wherein the auxiliary code generating module 2b generates an auxiliary code according to a set rule, the code pattern generating module 2c generates a corresponding code pattern according to the auxiliary code, the electronic certificate generating module 2d extracts the corresponding code pattern from the code pattern generating module 2c according to the auxiliary code in the information relating the service information and the auxiliary code sent by the service system 1, associates the code pattern with the information relating the service information and the auxiliary code, and generates an electronic certificate, the second communication system 2a is used for communicating with the service system 1 to send the auxiliary code to the service system 1, receive the information relating the service information and the auxiliary code sent by the service system 1, and send the electronic certificate to the user system 4 through the communication system 3, when communicating with the service system 1, the method verifies whether the service system is an authorized service system, and ensures that the auxiliary code is only issued to the authorized service system. The second code reading terminal management module 2e stores information of the code reading terminal, the information of the code reading terminal includes an address of the code reading terminal device, attribution information of the code reading terminal device, the number of the code reading terminal device, and the like, which is beneficial for the management system 2 to count and manage the information of the code reading terminal, and further realizes the counting and management of the time, the number, the result, and other information of the electronic certificate information read by the code reading terminal.
the user system 4 is a user terminal such as a mobile phone, and comprises: the system comprises a display module 4b and a third communication module 4a, wherein the third communication module 4a is used for receiving the electronic certificate sent by the management system 2 through the communication system 3, and the display module 4b at least displays or sends a code pattern in the electronic certificate to a code reading terminal in a wireless mode.
according to the above embodiment, the credential issuing system of this embodiment further includes a merchant system 5, as shown in fig. 2, the merchant system 5 includes: a reading terminal module 5a and a fourth communication module 5b, where the reading module 5a is configured to read a code pattern, a code pattern and service information, or a code pattern, service information and auxiliary code in an electronic certificate received from the user system 4, the fourth communication module is configured to send information in the electronic certificate read by the reading terminal module 5a and information of the code reading terminal module 5a to the management system 2, compare the received information in the electronic certificate of the merchant system 5 with information in the electronic certificate and information of the code reading terminal stored in the management system 2, associate the comparison result and the code reading terminal information with the corresponding auxiliary code and then feed back the result to the service system 1, the service system 1 finds the corresponding merchant system 5 according to the auxiliary code information and the code reading terminal information, and feeds back the comparison result to the corresponding merchant system 5, therefore, a complete closed verification is formed, the authenticity of the electronic certificate needs to be verified by the comparison of the management system 2, and other business systems 1 and merchant systems 5 cannot contact the verification and comparison method and process of the electronic certificate, so that the safety effect of the verification result of the electronic certificate is ensured.
In the invention, because the management system only issues the auxiliary code to the business system, the business system only distributes and associates the auxiliary code for the business information according to the received auxiliary code to generate the information of the business information and the auxiliary code, the management system distributes and associates the image code according to the auxiliary code in the information of the business information and the auxiliary code to generate the electronic certificate and sends the electronic certificate to the user system, namely, in the whole issuing process of the electronic certificate, the business system does not contact the code image, namely, the information of the code image is only stored in the management system, the verification of the electronic certificate in the using process is carried out by the management system or by utilizing the information in the management system, not only is the electronic certificate sent not easy to be counterfeited or forged, but also the electronic certificate cannot pass the verification of the management system even after being counterfeited or forged, thereby ensuring the safety of the electronic certificate.
The user system 4 can also display or send all the information in the electronic certificate to the code reading terminal in a wireless way, besides sending the code pattern in the electronic certificate. Therefore, if the service information is text information, the user can know the specific content of the electronic certificate, and the use convenience is improved.
the auxiliary code may be a code consisting of numbers and/or half-letters of english letters that can be recognized and displayed by the electronic device.
the code pattern is preferably a text character code pattern which can be sent and received through short messages, so that the whole electronic certificate can be sent through the short messages and can be suitable for mobile phones other than smart phones.
the code pattern is a closed code which is not disclosed by the coding method, so that the security of the electronic certificate can be further ensured.
Fig. 3 is a flowchart of a credential issuing method according to an embodiment of the present invention, and as shown in fig. 3, step S1: the auxiliary code is issued by the management system 2 to the business system 1.
Step S2: the service system 1 generates service information according to the service content, and distributes and associates auxiliary codes for the service information according to the auxiliary codes sent by the management system 2, so as to generate information associated with the service information and the auxiliary codes.
Step S3: the management system 2 extracts the corresponding code pattern by the code pattern generating module according to the preset corresponding relation between the auxiliary code and the code pattern in the service information and auxiliary code associated information, associates the code pattern with the service information and auxiliary code associated information to generate the electronic certificate,
Step S4, the management system 2 at least sends the code pattern of the electronic certificate to the user system 4 through the communication system 3.
The following describes the present invention by taking a movie ticket booking system as an example, as shown in fig. 2.
For convenience, hereinafter, the service system 1 is referred to as a movie ticket booking system 1, the management system 2 is referred to as a movie ticket issuing management system 2, the communication system 3 is referred to as a short message channel service provider system 3, the user system 4 is referred to as a user mobile phone 4, and the provider system 5 is referred to as a movie theater 5.
First, the movie ticket booking system 1 records on the movie ticket issuing management system and gets the authorization of the movie ticket issuing management system 2. When booking a ticket, the user issues a ticket booking request including the date, the field, the seat, the price and the like through a website of the movie ticket booking system 1. The movie ticket booking system 1 requests the movie ticket issuing management system 2 to issue the auxiliary code through the first communication module 1a, and allocates and associates different auxiliary codes for each service content according to the acquired auxiliary code. The information of the association of the service information and the auxiliary code is transmitted to the movie ticket issuance management system 2 through the first communication module 1a as the information of the association of the service information and the auxiliary code.
In the movie ticket issuing management system 2, each time the auxiliary code generating module 2 generates an auxiliary code, the code pattern generating module 2c generates a corresponding code pattern. The movie ticket issuing management system 2 extracts a corresponding code map by the code map generation module 2c according to the auxiliary code in the information in which the service information is associated with the auxiliary code, associates the code map with the information in which the service information is associated with the auxiliary code, and generates an electronic voucher of a movie ticket composed of the service information and the code map, as shown in fig. 4, the upper part is text character code map information, the lower part is an auxiliary code containing numbers and english letters, and the lower part is service information to describe related information of the movie ticket. The movie ticket issuing management system 2 sends the electronic certificate of the movie ticket to the mobile phone 4 of the user through the authorized short message channel service provider system 3.
When entering the movie theater 5, the user displays the electronic certificate of the movie ticket on the display or reads or receives the electronic certificate through a code reading terminal module 5a at the entrance of the movie theater 5 in a wireless passing mode such as Bluetooth and the like.
and after receiving the electronic certificate of the movie ticket, the code reading terminal module 5a sends the electronic certificate and the information of the code reading terminal module 5a to the movie ticket issuing management system 2 through the fourth communication module 5b for comparison and verification.
the movie ticket issuing management system 2 compares the received information of the electronic certificate of the movie ticket and the information of the code reading terminal module 5a with the information during issuing, sends the consistent or inconsistent comparison result to the movie ticket booking system 1, the movie ticket booking system 1 carries out the matching result according to the received information of the code reading terminal module 5a and the code reading terminal information stored in the first code reading terminal management module 1d in the movie ticket booking system 1, and sends the information verification result in the electronic certificate to the corresponding cinema 5 comprising the code reading terminal module 5 a. When the movie theatre 5 is consistent with the movie theatre 5, the movie ticket booking system 1 and the movie theatre 5 settle accounts; if they are inconsistent, the user or administrator is informed by voice that the electronic voucher may be false and the settlement is not performed.
Because the electronic voucher contains the service information, the user can know the time, the field, the seat and the like of the movie ticket through the electronic voucher, and the use of the user is facilitated.
Because the user of the movie ticket holds the mobile phone to the movie theater 5 to watch the movie for consumption, the code image is read by the special reading system, the code image is a text character code image, the read text character code image information is sent to the movie ticket issuing management system 2, the information is checked with the information in the electronic certificates such as auxiliary codes, code images and the like stored in the movie ticket issuing management system 2, after the correctness is confirmed, the correct information is sent to the movie theater 5 by the movie ticket issuing management system 2, and the movie theater 5 completes consumption transaction with the user after receiving the confirmed information; the reading result of the code pattern needs to be confirmed by the movie ticket issuing management system 2, the direct contact between the cinema 5 and the user is isolated, the illegal user or the cinema 5 is prevented from manually counterfeiting certificate verification, and the certificate safety effect is further improved.
The special code reading terminal module has specific management attribute and geographic attribute, wherein the management attribute means that each reading system has a legal owner formulated by the reading system and is registered for record; the geographic attribute means that each reading system is unique and registers and records the geographic position; because the reading system has specific management attributes and geographic attributes, consumer consumption behaviors can be well recorded and analyzed; for example, when a consumer watches a movie at the movie theater 5 and consumes, the consumer consumption location, the number of people, the time and other information are confirmed, and the system can send a coupon entering a merchant to the consumer according to the information of the merchant around the consumer location, so that the accurate promotion of the advertisement is realized, the habit of the user is better met, and the promotion success rate is improved.
the closed code described in this patent means that the encoding method and decoding algorithm process of the code are confidential and not disclosed to the outside; the association means that at least two groups of information are included, each group information in one group needs to be stored in correspondence with each group information in the other group, and when a certain group information in one group is obtained, the corresponding group information in the other group can be known through association.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. A credential issuance system characterized by comprising: a service system (1), a management system (2), a communication system (3) and a user system (4),
The service system (1) comprises: the system comprises a first communication module (1a), a service information generation module (1b), an allocation association module (1c) and a first code reading terminal management module (1d), wherein the service information generation module (1b) generates service information according to service content, the allocation association module (1c) allocates and associates auxiliary codes for the service information according to the auxiliary codes issued by the management system (2) to form information of association between the service information and the auxiliary codes, the first communication system (1a) is used for communicating with the management system (2), receiving the auxiliary codes sent by the management system (2) and sending the information of association between the service information and the auxiliary codes to the management system (2), and the first code reading terminal management module (1d) stores the information of the code reading terminal;
The management system (2) comprises: the system comprises a second communication module (2a), an auxiliary code generation module (2b), a code pattern generation module (2c), an electronic certificate generation module (2d) and a second code reading terminal management module (2e), wherein the auxiliary code generation module (2b) generates an auxiliary code according to a set rule, the code pattern generation module (2c) generates a corresponding code pattern according to the auxiliary code, the electronic certificate generation module (2d) extracts the corresponding code pattern by the code pattern generation module (2c) according to the auxiliary code in the information of the business information and the auxiliary code which are sent by the business system (1), associates the code pattern with the information of the business information and the auxiliary code to generate the electronic certificate, the second communication system (2a) is used for communicating with the business system (1) to send the auxiliary code to the business system (1) and receive the information of the business information and the auxiliary code which are sent by the business system (1), the electronic certificate is sent to the user system (4) through the communication system (3), and the information of the code reading terminal is stored in the second terminal management module (2 e);
The user system (4) comprises: the system comprises a display module (4b) and a third communication module (4a), wherein the third communication module (4a) is used for receiving the electronic certificate sent by the management system (2) through the communication system (3), and the display module (4b) at least displays or sends a code pattern in the electronic certificate to a code reading terminal in a wireless mode;
The management system (2) is also used for receiving the electronic certificate to be verified, comparing the information in the electronic certificate to be verified with the information in the stored electronic certificate, associating the comparison result, the code reading terminal information and the corresponding auxiliary code, and feeding back the result to the service system (1).
2. the voucher issuing system according to claim 1, wherein the display module (4b) displays or wirelessly transmits all information in the electronic voucher to a code reading terminal.
3. a credential issuance system according to claim 1, wherein said auxiliary code is a code consisting of numeric and/or semi-alphabetical letters that can be recognized and displayed by the electronic device.
4. The credential issuance system according to claim 1, wherein the code pattern is a text character code pattern that can be sent and accepted by short message.
5. A credential issuance system according to any one of claims 1 to 4, wherein the code pattern is a closed code whose encoding method is not disclosed.
6. credential issuance system according to any one of claims 1 to 4, wherein the business system (1) is a business system that registers with the management system (2) and obtains authorization from the management system (2).
7. A credential issuance method, characterized by comprising the steps of:
step S1: the management system (2) issues the auxiliary code to the service system (1),
Step S2: the service system (1) generates service information according to the service content, distributes and associates auxiliary codes for the service information according to the auxiliary codes sent by the management system (2) to generate information of the service information and the auxiliary codes,
Step S3: the management system (2) extracts the corresponding code diagram by the code diagram generating module according to the preset corresponding relation between the auxiliary code and the code diagram in the service information and auxiliary code related information and associates the code diagram with the service information and auxiliary code related information to generate an electronic certificate,
Step S4, the management system (2) at least sends the code pattern of the electronic certificate to a user system (4) through a communication system (3);
And during verification, the management system (2) receives the electronic certificate to be verified, compares the information in the electronic certificate to be verified with the information in the stored electronic certificate, associates the comparison result, the code reading terminal information and the corresponding auxiliary code and feeds back the result to the service system (1).
8. A credential issuance method according to claim 7, wherein said auxiliary code is a code consisting of numeric and/or semi-alphabetical letters that can be recognized and displayed by the electronic device.
9. The credential issuance method according to claim 7, wherein the code pattern is a text character code pattern that can be sent and received by short message.
10. A credential issuance method according to any one of claims 7 to 9, wherein the code pattern is a closed code whose encoding method is not disclosed.
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| CN107230105A (en) * | 2017-05-27 | 2017-10-03 | 上海非码网络科技有限公司 | Method, system, device and the server of consumption money are collected based on electronic certificate |
| CN113762958A (en) * | 2021-01-04 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Method and device for generating electronic certificate |
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| CN101859397A (en) * | 2009-04-10 | 2010-10-13 | 银河联动信息技术（北京）有限公司 | Two-dimensional array code |
| CN103235992A (en) * | 2013-04-23 | 2013-08-07 | 江苏圆坤科技发展有限公司 | Two-dimensional code technology-based hotel management system and operating method for same |
| CN104899756A (en) * | 2014-03-06 | 2015-09-09 | 中国移动通信集团福建有限公司 | Electronic coupon online payment method and electronic coupon online payment system |
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