CN113222585A - Offline payment method, digital currency round code generation method and terminal - Google Patents
Offline payment method, digital currency round code generation method and terminal Download PDFInfo
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- CN113222585A CN113222585A CN202110585388.6A CN202110585388A CN113222585A CN 113222585 A CN113222585 A CN 113222585A CN 202110585388 A CN202110585388 A CN 202110585388A CN 113222585 A CN113222585 A CN 113222585A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3276—Short range or proximity payments by means of M-devices using a pictured code, e.g. barcode or QR-code, being read by the M-device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
Abstract
The invention discloses an off-line payment method, a digital currency round code generation method and a terminal, which are used for acquiring information to be converted and generating a character string according to the information to be converted; determining the target area size of a dot for storing the character string according to the size of the character string; confirming the target number of the dots according to a preset backup number; generating the dots with the target quantity and the target area size at random positions on a basic circle to obtain a digital currency circle code; the method comprises the steps of setting a preset number of dots to store the same character string, determining the size of the dots according to the size of the character string, generating the dots at random positions on a basic circle, wherein the positions of the dots are different when the digital currency circle code is generated every time, and the same information has a plurality of backups on the same digital currency circle code.
Description
Technical Field
The invention relates to the field of mobile payment, in particular to a digital currency round code generation method and a terminal.
Background
Nowadays, payment of digital currency under the conditions of single wireless network and single wireless power and payment under the conditions of double wireless network and double wireless power cannot be realized.
Under the attack of disasters in the society, the situations of power failure and network disconnection sometimes occur, and at the moment, the current digital currency cannot be used, for example, a credit card and a mobile phone cannot be used, currency cannot be exchanged and commodities cannot be circulated due to the power failure and the network disconnection in the Orleans City hurricane.
And use the two-dimensional code to pay, there is the two-dimensional code easy to be duplicated, it has the risk of fishing to sweep the code payment, but the naked eye identifiability of two-dimensional code is low, if someone replaces the two-dimensional code and is difficult to discover, and the two-dimensional code is higher to the requirement of sweeping the code environment, though also there is corresponding fault-tolerant mechanism in the two-dimensional code, if meet the condition that great spot or light caused great degree to shelter from to the two-dimensional code such as too bright, then the condition that the two-dimensional code reading failure appears more often, the user need adjust many times at the code scanning in-process and sweep a yard equipment and sweep the code operation, influence user's the code payment that sweeps and use experience.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: an off-line payment method, a digital currency round code generation method and a terminal are provided, and a digital currency round code with high fault tolerance is generated.
In order to solve the technical problems, the invention adopts a technical scheme that:
a digital currency round code generating method comprises the following steps:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
s3, confirming the target number of the dots according to the preset backup number;
and S4, generating the dots with the target number and the target area size at random positions on the base circle to obtain the digital currency circle code.
An off-line payment method, which can be implemented by using the digital currency round code generated by the above digital currency round code generation method, is characterized by comprising the following steps:
receiving digital currency round code information and personal identification;
searching a target account according to the personal identification, and verifying the digital currency round code;
and if the verification is passed, opening the payment authority of the target account.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a digital currency circular code generating terminal comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the following steps when executing the computer program:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
s3, confirming the target number of the dots according to the preset backup number;
and S4, generating the dots with the target number and the target area size at random positions on the base circle to obtain the digital currency circle code.
An offline payment terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of:
receiving digital currency round code information and personal identification;
searching a target account according to the personal identification, and verifying the digital currency round code;
and if the verification is passed, opening the payment authority of the target account.
The invention has the beneficial effects that: setting a preset number of dots to store the same character string, determining the size of the dots according to the size of the character string, generating dots at random positions on a basic circle, wherein the positions of the dots are different when a digital currency circle code is generated each time, the same information has a plurality of backups on the same digital currency circle code, and even if the digital currency circle code is covered by dirt, the corresponding information can be obtained as long as one uncovered dot exists, so that the fault tolerance is high, and the code scanning experience of a user is improved; and the payment is carried out by the digital currency, and the payment operation can be realized under the conditions of single no-network, single no-power and double no-network and double no-power.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for generating a digital currency round code according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a digital currency round code generating terminal according to an embodiment of the present invention;
FIG. 3 is a diagram of a digital currency circle code according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a digital currency circle code with a stain according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating steps of an offline payment method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an offline payment terminal according to an embodiment of the present invention;
description of reference numerals:
1. a digital currency round code generating terminal; 2. a processor; 3. a memory; 4. an off-line payment terminal; 5. a processor; 6. a memory.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, 3 and 4, a method for generating a digital currency round code includes the steps of:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
s3, confirming the target number of the dots according to the preset backup number;
and S4, generating the dots with the target number and the target area size at random positions on the base circle to obtain the digital currency circle code.
From the above description, the beneficial effects of the present invention are: the method comprises the steps of setting a preset number of dots to store the same character string, determining the size of the dots according to the size of the character string, generating the dots at random positions on a basic circle, wherein the positions of the dots are different when the digital currency circle code is generated every time, and the same information has a plurality of backups on the same digital currency circle code.
Further, the S2 specifically includes:
generating a check code according to the character string;
acquiring the size of the character string and the size of the check code;
calculating the total value of the size of the character string and the size of the check code;
and determining the target area size of the dots for storing the character strings according to the total value, wherein the larger the total value is, the smaller the target area size is.
According to the description, the character strings are stored by setting the dots with different sizes, the scanning speed can be improved by the larger dots, the character strings with larger sizes can be stored by the smaller dots, and the character strings can be stored by generating the dots with different sizes according to different requirements of actual scenes.
Further, the S4 specifically includes:
acquiring the size of the target area and the target number;
determining the basic circle pattern according to the target number;
and generating the dots with the target quantity and the target area size at random positions on the base circle, wherein the number of the random positions is the target quantity.
As can be seen from the above description, the dots are generated at random positions on the base circle, and the information in the dots needs to be acquired by scanning the code without fixing the generation positions of the dots, so that the safety of the digital currency circle code is enhanced.
Further, between the S1 and the S4, further comprising:
determining a target gray value of a dot storing the character string according to the character string;
the S4 specifically includes:
and generating the dots with the target quantity, the target area size and the target gray value in quantity at random positions on the basic circle.
According to the description, the digital currency circular code generated according to different gray values is a three-dimensional code, so that more information can be stored, and the requirement of transmitting more information in a complex scene is met.
Further, calculating the hash value of the character string as the check code corresponding to the character string.
According to the description, the hash value of the character string is calculated to serve as the check code, the real-time check code of the character string is calculated after the character string information is received and compared with the check code stored in the dot, if the real-time check code of the character string is different from the check code stored in the dot, the information in the dot is polluted and is not credible, and the information in the dot is abandoned, so that the integrity of the data in the transmission process is guaranteed.
Referring to fig. 2, a digital currency circular code generating terminal includes a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor executes the computer program to implement the following steps:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
s3, confirming the target number of the dots according to the preset backup number;
and S4, generating the dots with the target number and the target area size at random positions on the base circle to obtain the digital currency circle code.
The invention has the beneficial effects that: the method comprises the steps of setting a preset number of dots to store the same character string, determining the size of the dots according to the size of the character string, generating the dots at random positions on a basic circle, wherein the positions of the dots are different when the digital currency circle code is generated every time, and the same information has a plurality of backups on the same digital currency circle code.
Further, the S2 specifically includes:
generating a check code according to the character string;
acquiring the size of the character string and the size of the check code;
calculating the total value of the size of the character string and the size of the check code;
and determining the target area size of the dots for storing the character strings according to the total value, wherein the larger the total value is, the smaller the target area size is.
According to the description, the character strings are stored by setting the dots with different sizes, the scanning speed can be improved by the larger dots, the character strings with larger sizes can be stored by the smaller dots, and the character strings can be stored by generating the dots with different sizes according to different requirements of actual scenes.
Further, the S4 specifically includes:
acquiring the size of the target area and the target number;
determining the basic circle pattern according to the target number;
and generating the dots with the target quantity and the target area size at random positions on the base circle, wherein the number of the random positions is the target quantity.
As can be seen from the above description, the dots are generated at random positions on the base circle, and the information in the dots needs to be acquired by scanning the code without fixing the generation positions of the dots, so that the safety of the digital currency circle code is enhanced.
Further, between the S1 and the S4, further comprising:
determining a target gray value of a dot storing the character string according to the character string;
the S4 specifically includes:
and generating the dots with the target quantity, the target area size and the target gray value in quantity at random positions on the basic circle.
According to the description, the digital currency circular code generated according to different gray values is a three-dimensional code, so that more information can be stored, and the requirement of transmitting more information in a complex scene is met.
Further, calculating the hash value of the character string as the check code corresponding to the character string.
According to the description, the hash value of the character string is calculated to serve as the check code, the real-time check code of the character string is calculated after the character string information is received and compared with the check code stored in the dot, if the real-time check code of the character string is different from the check code stored in the dot, the information in the dot is polluted and is not credible, and the information in the dot is abandoned, so that the integrity of the data in the transmission process is guaranteed.
Referring to fig. 1, fig. 3 and fig. 4, a first embodiment of the present invention is:
a digital currency round code generating method comprises the following steps:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
the method specifically comprises the following steps: generating a check code according to the character string; acquiring the size of the character string and the size of the check code; calculating the total value of the size of the character string and the size of the check code; determining the target area size of a dot storing the character string according to the total value, wherein the larger the total value is, the smaller the target area size is; the number of dots represents a number, such as solid dots representing 1 and open dots representing 0;
s3, confirming the target number of the dots according to the preset backup number;
specifically, referring to fig. 3, the information stored in each dot is the same in a three-copy form, referring to fig. 4, the gray shade in fig. 4 indicates that the stain is covered, and as long as the stain does not cover all the dots, the information can still be read smoothly;
s4, generating the dots with the target quantity and the target area size at random positions on the basic circle to obtain a digital currency circle code;
the method specifically comprises the following steps: acquiring the size of the target area and the target number; determining the basic circle pattern according to the target number; generating the dots with the target number and the target area size at random positions on the base circle, wherein the number of the random positions is the target number;
the circular code mentioned in this embodiment is an information code used for storing information.
The second embodiment of the invention is as follows:
a method for generating a digital currency round code, which is different from the first embodiment in that:
calculating the hash value of the character string as the check code corresponding to the character string;
between S1 and S4 further include:
determining a target gray value of a dot storing the character string according to the character string;
s4 specifically includes:
generating the dots with the target quantity, the target area size and the target gray value in quantity at random positions on a basic circle;
please refer to fig. 3, which is a schematic diagram of a digital currency circle code generated by a digital currency circle code generating method according to the present application, wherein dotted lines represent dots.
The third embodiment of the invention is as follows:
the digital currency round code generated by the digital currency round code generation method is applied to a payment scene:
the payment end and the collection end are connected by starting Bluetooth or NFC, the payment end can send the digital currency round code to the collection end and the collection end scans the code to complete collection, and the collection end can send the digital currency round code to the payment end and the payment end scans the code to complete payment;
encrypting a database of the mobile phone end, adding a verification code, verifying the verification code when modifying data every time, and stopping payment and sending a prompt message if the verification code is not accordant; the database of the mobile phone end and the database of the remote server are simultaneously and automatically synchronized in a data block online mode; when offline, there may be differences between each;
in an optional implementation mode, the verification code comprises payment time and a hardware ID, and if the system time of the mobile phone is tampered, the database is copied or the memory of the mobile phone is copied, the payment is stopped;
in an optional implementation mode, the number corresponding to the digital currency round code is generated for identification payment, and micropayment can be performed through double verification of the number and the mobile phone number, specifically, a user forgets to carry a mobile terminal, and the number and the mobile phone number can be input through the digital currency round code input device, so that the digital currency round code input device converts the number into the digital currency round code for payment;
in an optional implementation mode, biological information such as fingerprint information, voiceprint information, face information and the like which can uniquely identify a user can be used for replacing a mobile phone number, and the identification operation is realized together with the number corresponding to the digital currency round code;
in an alternative embodiment, the user can print a picture for storing the digital currency round code and input the picture as digital currency round code information in a wireless/wireless environment;
in an alternative embodiment, the number is a four-digit number, which is convenient for memorizing as the input of the digital currency round code information;
the circle code can realize payment under the environment of double wireless networks and double wireless networks:
specifically, on the airplane, on the outer sea, in deep mountains and wilderness, in unmanned areas, in parking lots of residential districts, in basements and in subways, the situation that a payment end and a collection end are off-line frequently occurs; when natural disasters such as earthquake, typhoon and the like occur, the situation that the payment end and the collection end are both dead can occur frequently;
if the situation of double electroless or double offline occurs, the payment amount is limited and limited, the payable total amount and a single limit are set in an offline scene, for example, within 100 yuan per stroke, 5 times per day, the total amount is not more than 1000 yuan; the system can be used for convenience stores, restaurant stores, buses, subways, parking and the like; there are several payment methods as follows:
1. the payment end and the collection end are both started to be in wireless connection with Bluetooth or NFC and the like to realize payment transaction, and the payment cannot be carried out when the balance is 0;
in an alternative embodiment, a credit rating system is constructed, and if the credit score is higher than 600, the balance is below-300 to be paid; under the condition of sufficient balance, paying 200 yuan per day within 3 days, paying 100 yuan per day within 3-5 days, paying 20 yuan per day within 5-10 days, and stopping paying service for more than 10 days;
2. one end of the payment end and the collection end is free of electricity, and the electricity-free party inputs a round code (4-digit simple code) and a mobile phone number into the electricity-containing party to realize collection and payment;
3. under the condition that both the payment end and the collection end are out of power, the payer writes a payment amount (generally used for purchasing food and the amount is less than 200 yuan) by hand, namely a four-digit simple circle code, a mobile phone number and a personal name, and the collection end inputs the circle code to complete payment when the collection end is powered on;
4. the method is characterized in that no signal or no power is available at underground parking lots, subways, buses and payment ends, people can pay by using a face payment or a circle code input device, and people needing to pay can input own 4-bit circle codes and mobile phone numbers into the circle code input device for payment; the circular code input machine consists of 0-9 number keys, enter key, digital display and radio or wired unit. (ii) a The wireless module comprises Bluetooth and WIFI; the wired module comprises a network cable, a USB cable and the like.
Referring to fig. 2, a fourth embodiment of the present invention is:
a digital currency round code generating terminal 1 comprises a processor 2, a memory 3 and a computer program stored on the memory 3 and capable of running on the processor 2, wherein the processor 2 executes the computer program to realize the steps of the first embodiment or the second embodiment.
Referring to fig. 6, a fifth embodiment of the present invention is:
an offline payment terminal 4 comprises a processor 5, a memory 6 and a computer program stored on the memory 6 and operable on the processor 5, wherein the processor 5 implements the steps of the third embodiment when executing the computer program.
In summary, the invention provides an offline payment method, a digital currency circular code generation method and a terminal, acquiring information to be converted, generating a character string according to the information to be converted, determining the area size of a circular dot storing the character string according to the size of the character string, and storing a check code corresponding to the corresponding character string in the circular dot, and after acquiring data in the circular dot, calculating whether the check codes are consistent, so as to verify the integrity of the character string; and a plurality of dots for placing the same information are arranged at random positions on a digital currency circular code, so that even if one dot is blocked by dirt, the information in the dot in the digital currency circular code can be read, the code scanning experience of a user is improved, a corresponding payment method is provided, the digital currency circular code information and identification information are received, a target account is searched and corresponds to an open limited amount or limited payment authority, and a convenient payment mode is provided in a terminal non-network/non-power environment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A digital currency round code generating method is characterized by comprising the following steps:
s1, acquiring information to be converted, and generating a character string according to the information to be converted;
s2, determining the target area size of the dot storing the character string according to the size of the character string;
s3, confirming the target number of the dots according to the preset backup number;
and S4, generating the dots with the target number and the target area size at random positions on the base circle to obtain the digital currency circle code.
2. The method for generating a digital currency round code according to claim 1, wherein said S2 is specifically:
generating a check code according to the character string;
acquiring the size of the character string and the size of the check code;
calculating the total value of the size of the character string and the size of the check code;
and determining the target area size of the dots for storing the character strings according to the total value, wherein the larger the total value is, the smaller the target area size is.
3. The method for generating a digital currency round code according to claim 1, wherein said S4 is specifically:
acquiring the size of the target area and the target number;
determining the basic circle pattern according to the target number;
and generating the dots with the target quantity and the target area size at random positions on the base circle, wherein the number of the random positions is the target quantity.
4. The method for generating a digital currency round code according to claim 1, wherein between said S1 and said S4 further comprising:
determining a target gray value of a dot storing the character string according to the character string;
the S4 specifically includes:
and generating the dots with the target quantity, the target area size and the target gray value in quantity at random positions on the basic circle.
5. The method according to claim 2, wherein a hash value of the character string is calculated as the check code corresponding to the character string.
6. The method of claim 1, wherein the character string is a numeric code;
the S4 further includes: and displaying the digital currency round codes and the digital codes.
7. An off-line payment method, which can be implemented by using the digital currency round code generated by the digital currency round code generation method of any one of claims 1 to 6, comprising the steps of:
receiving digital currency round code information and personal identification;
searching a target account according to the personal identification, and verifying the digital currency round code;
and if the verification is passed, opening the payment authority of the target account.
8. The offline payment method of claim 7, wherein said personal identification comprises a mobile phone number or a face image or fingerprint information;
searching a target account according to the mobile phone number or the face image or the fingerprint information, and arraying the digital currency round codes;
and if the verification is passed, opening the payment authority of the preset limit of the target account.
9. A digital currency circle code generating terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements a digital currency circle code generating method according to any one of claims 1 to 6 when executing the computer program.
10. An off-line payment terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements a payment method as claimed in any one of claims 7 to 8.
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