CN115796859B - NFC payment-based method, system and storage medium - Google Patents
NFC payment-based method, system and storage medium Download PDFInfo
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- CN115796859B CN115796859B CN202310043239.6A CN202310043239A CN115796859B CN 115796859 B CN115796859 B CN 115796859B CN 202310043239 A CN202310043239 A CN 202310043239A CN 115796859 B CN115796859 B CN 115796859B
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Abstract
The invention discloses a method, a system and a storage medium based on NFC payment, wherein the method comprises the following steps: establishing communication connection between NFC equipment and a server and communication connection between card swiping equipment and the server; the NFC equipment comprises a server, NFC equipment and NFC equipment, wherein the server stores user data information and payment paths, and the NFC equipment stores encrypted user data information generated based on the user data information; after receiving a transaction request sent by the card swiping device, the NFC device sends encrypted user data information to the card swiping device; the card swiping device interacts with the server, and sends the encrypted user data information and the order information to the server; the server verifies whether the NFC equipment is effective according to the encrypted user data information; when the NFC equipment is effective equipment, the server pays through a payment way according to the order information; and when the NFC equipment is invalid equipment, stopping the transaction by the server.
Description
Technical Field
The invention relates to the technical field of electronic payment, in particular to a method, a system and a storage medium based on NFC payment.
Background
NFC is an emerging technology, devices (such as mobile phones) using the NFC technology can exchange data under the condition of being close to each other, and the NFC module is integrated and evolved by a non-contact Radio Frequency Identification (RFID) and an interconnection technology, and through integrating functions of an inductive card reader, an inductive card and point-to-point communication on a single chip, mobile terminals are utilized to realize applications such as mobile payment, electronic ticketing, access control, mobile identity recognition and anti-counterfeiting, and an NFC module is implanted into a smart phone, so that purses and cards of people can be liberated, the use is convenient and fast, the market prospect is very clear, and the NFC module has great competitive power in the field of mobile payment.
The NFC payment in the market at present adopts some wallets such as binding bank cards, and then the payment can be carried out by directly swiping the card on an NFC payment machine, so that the payment is really very convenient, but the condition of being swiped by theft possibly exists, the NFC binding bank cards, electronic wallets and other modes are really convenient to pay, but hidden danger is also left, and the property of a user can be lost.
Disclosure of Invention
The invention mainly aims to provide a NFC-based payment method, which aims to solve the problem that NFC equipment is at risk of being stolen and brushed.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the first aspect of the invention provides a method based on NFC payment, comprising the following steps:
establishing communication connection between NFC equipment and a server and communication connection between card swiping equipment and the server; the NFC equipment is used for storing user data information and payment paths, wherein the server is used for storing encrypted user data information generated based on the user data information;
after receiving the transaction request sent by the card swiping device, the NFC device sends the encrypted user data information to the card swiping device;
the card swiping device interacts with the server, and sends the encrypted user data information and order information to the server;
the server verifies whether the NFC equipment is effective according to the encrypted user data information;
when the NFC equipment is effective equipment, the server pays through a payment way according to the order information;
and when the NFC equipment is invalid equipment, stopping the transaction by the server.
In an optional implementation manner of the first aspect of the present invention, the establishing a communication connection between the NFC device and the server and between the card swiping device and the server includes the following steps:
the server binds user data information and payment paths;
the NFC equipment establishes connection with the server, acquires the user data information, encrypts the user data information, and acquires encrypted user data information;
and the card swiping device and the server are connected, so that data can be transferred between the card swiping device and the server.
In an optional implementation manner of the first aspect of the present invention, the NFC device establishes a connection with the server, obtains user data information, and encrypts the user data information to obtain encrypted user data information, and includes the following steps:
the NFC equipment acquires the user data information, wherein the user data information comprises a first character string;
converting the length value of the first character string into hexadecimal system to obtain a character length value, wherein when the character length value is singular, 0 is added in front of the character length value;
base64 encoding is carried out on the first character string to obtain a second character string;
replacing a second character in the character length value contained in the second character string with a first character in the character length value to obtain a third character string;
and splicing the character length value with the third character string to obtain encrypted user data information, wherein the character length value is positioned in front of the third character string.
In an optional implementation manner of the first aspect of the present invention, the verifying, by the server, whether the NFC device is valid according to the encrypted user data information includes the following steps:
the server receives encrypted user data information and order information;
the server firstly deletes the first two characters of the encrypted user data information, and then carries out reverse base64 coding on the rest characters to obtain decoded user data information;
traversing the decoded user data information by the server;
comparing the decoded user data information with the user data information, wherein the NFC device is effective when the characters of the decoded user data information are completely consistent with the characters of the user data information, and is ineffective when the characters of the decoded user data information are not completely consistent with the characters of the user data information.
In an optional implementation manner of the first aspect of the present invention, after the step of when the NFC device is a valid device, the server performs payment through a payment way according to the order information, the method further includes the following steps:
the server records the payment information, wherein the payment information comprises payment time and payment amount.
In an optional implementation manner of the first aspect of the present invention, in the step of recording the payment information by the server, the server further sends the payment information to the user.
In an optional implementation manner of the first aspect of the present invention, after the step of stopping the transaction when the NFC device is an inactive device, the method further includes the following steps:
the server prompts the user that the NFC equipment is invalid equipment, and prompts the user whether the NFC equipment needs to be connected with the server or not.
A second aspect of the present invention provides a system for NFC-based payment, comprising:
NFC device, server and at least one card swiping device;
establishing communication connection between NFC equipment and a server and between card swiping equipment and the server; the NFC equipment is used for storing user data information and payment paths, wherein the server is used for storing encrypted user data information generated based on the user data information;
the NFC equipment is used for sending the encrypted user data information to the card swiping equipment after receiving the transaction request sent by the card swiping equipment;
the card swiping device is used for interacting with the server, and sending the encrypted user data information and order information to the server;
the server is used for verifying whether the NFC equipment is effective according to the encrypted user data information;
the server is used for paying according to the order information through a payment way when the NFC equipment is effective equipment;
and the server is used for stopping the transaction when the NFC equipment is invalid equipment.
A third aspect of the present invention provides a computer-readable storage medium storing a computer program for causing a computer to perform a method of NFC-based payment as claimed in any one of the preceding claims.
The beneficial effects are that: the invention provides a method, a system and a storage medium based on NFC payment; the NFC equipment only stores the encrypted user data information, and the NFC equipment does not store a payment way, so that the NFC equipment cannot directly pay; the card swiping device connected with the server can send the encrypted user data information in the NFC device to the server, then the server verifies the encrypted user data information to decode, judges whether the decoded user data information is effective, so that payment orders are paid or transactions are terminated, the card swiping device which is not connected with the server cannot send the encrypted user data information to the server, the server cannot receive the encrypted user data information, the transactions cannot be naturally performed, and therefore the purpose of preventing the user NFC device from being stolen when the card swiping device which is artificially utilized is close is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one embodiment of a method of NFC-based payment according to the present invention;
fig. 2 is a schematic diagram of an embodiment of a system for NFC-based payment according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
For easy understanding, the following describes a specific flow of an embodiment of the present invention, referring to fig. 1, and the first aspect of the present invention provides a method for payment based on NFC, which includes the following steps:
s100, establishing communication connection between NFC equipment and a server and communication connection between card swiping equipment and the server; the NFC equipment is used for storing user data information and payment paths, wherein the server is used for storing encrypted user data information generated based on the user data information;
in this embodiment, the user may choose which card-swiping devices to establish contact with according to his actual requirement, in general, the server establishes contact with the card-swiping device that needs to conduct a transaction, and if a certain card-swiping device does not establish contact with the server, the user may also temporarily establish contact with the card-swiping device if the user needs to conduct a transaction with the card-swiping device.
S200, after the NFC equipment receives a transaction request sent by the card swiping equipment, sending the encrypted user data information to the card swiping equipment;
in this embodiment, when the NFC device approaches the card swiping device, since only encrypted user data information is stored in the NFC device and no payment path is stored, the NFC device cannot directly pay the card swiping device, and the NFC device can only obtain the encrypted user data information from the NFC device;
s300, the card swiping device interacts with the server, and the card swiping device sends the encrypted user data information and order information to the server;
in this embodiment, if no connection is established between the card swiping device and the server, the card swiping device cannot send encrypted user data information to the server, so that a transaction cannot be performed, and only the card swiping device with which a communication connection is established with the server can send the encrypted user data information to the server;
s400, the server verifies whether the NFC equipment is effective according to the encrypted user data information;
s500, when the NFC equipment is effective equipment, the server pays through a payment way according to the order information;
and S600, when the NFC equipment is invalid equipment, stopping the transaction by the server.
In this embodiment, when the NFC device is an effective device, it is indicated that connection is established between the NFC device and the server, and the server may make payment.
In an optional implementation manner of the first aspect of the present invention, the establishing a connection between the NFC device, the server, the payment module, and the at least one card swiping device includes the following steps:
the server binds user data information and payment paths;
the NFC equipment establishes connection with the server, acquires the user data information, encrypts the user data information, and acquires encrypted user data information;
and the card swiping device and the server are connected, so that data can be transferred between the card swiping device and the server.
In this embodiment, the NFC device only stores encrypted user data information, and the NFC device does not store a payment path, so the NFC device cannot directly make payment; the card swiping device connected with the server can send the encrypted user data information in the NFC device to the server, then the server verifies the encrypted user data information to decode, judges whether the decoded user data information is effective, so that payment orders are paid or transactions are terminated, the card swiping device which is not connected with the server cannot send the encrypted user data information to the server, the server cannot receive the encrypted user data information, the transactions cannot be naturally performed, and therefore the purpose of preventing the user NFC device from being stolen when the card swiping device which is artificially utilized is close is achieved.
In an optional implementation manner of the first aspect of the present invention, the NFC device establishes a connection with the server, obtains user data information, and encrypts the user data information to obtain encrypted user data information, and includes the following steps:
the NFC equipment acquires the user data information, wherein the user data information comprises a first character string;
converting the length value of the first character string into hexadecimal system to obtain a character length value, wherein when the character length value is singular, 0 is added in front of the character length value;
base64 encoding is carried out on the first character string to obtain a second character string;
replacing a second character in the character length value contained in the second character string with a first character in the character length value to obtain a third character string;
and splicing the character length value with the third character string to obtain encrypted user data information, wherein the character length value is positioned in front of the third character string.
In this embodiment, the NFC device includes user data information, so that in order to protect the security of the user data information, the user data information needs to be encrypted, where the user data information is encrypted by using a base64 encoding method, so as to protect the user data information.
In an optional implementation manner of the first aspect of the present invention, before the step of verifying, by the server, whether the NFC device is valid according to the encrypted user data information, the following steps are further included:
the server receives encrypted user data information and order information;
the server deletes the first two characters of the encrypted user data information, and then carries out reverse base64 coding on the rest characters to obtain decoded user data information.
In this embodiment, since the server receives the encrypted user data information, the server needs to decode the encrypted user data information to obtain decoded user data information.
In an optional implementation manner of the first aspect of the present invention, the verifying, by the server, whether the NFC device is valid according to the encrypted user data information includes the following steps:
traversing the decoded user data information by the server;
comparing the decoded user data information with the user data information, wherein the NFC device is effective when the characters of the decoded user data information are completely consistent with the characters of the user data information, and is ineffective when the characters of the decoded user data information are not completely consistent with the characters of the user data information.
In an optional implementation manner of the first aspect of the present invention, after the step of when the NFC device is a valid device, the server performs payment through a payment way according to the order information, the method further includes the following steps:
the server records the payment information, wherein the payment information comprises payment time and payment amount.
In this embodiment, the server records each payment information so that the user can search all payment information in the server.
In an optional implementation manner of the first aspect of the present invention, the server further sends the payment information to the user.
In this embodiment, in the step of recording the payment information, the server may further send the payment information to the user.
In an optional implementation manner of the first aspect of the present invention, after the step of stopping the present transaction when the NFC device is an inactive device, the method further includes the following steps:
the server prompts the user that the NFC equipment is invalid equipment, and prompts the user whether the NFC equipment needs to be connected with the server or not.
In this embodiment, when the NFC device is an inactive device, it is indicated that the NFC device is not yet connected to the server, that is, the server cannot conduct a transaction through the NFC device.
A second aspect of the present invention provides a system for NFC-based payment, comprising:
NFC device 10, server 20, and at least one card swiping device 30;
the NFC device 10 is in communication connection with the server 20, and the card swiping device 30 is in communication connection with the server 20; the server 20 stores user data information and payment paths, and the NFC device 10 stores encrypted user data information generated based on the user data information;
the NFC device 10 is configured to send the encrypted user data information to the card swiping device 30 after the NFC device 10 receives a transaction request sent by the card swiping device 30;
the card swiping device 30 is configured to interact between the card swiping device 30 and the server 20, where the card swiping device 30 sends the encrypted user data information and order information to the server 20;
the server 20 is configured to verify whether the NFC device is valid according to the encrypted user data information;
the server 20 is configured to, when the NFC device 10 is a valid device, pay by the server 20 according to the order information through a payment way;
the server 20 is configured to stop the transaction when the NFC device 10 is an invalid device.
A third aspect of the invention provides a computer-readable storage medium storing a computer program for causing a computer to perform a method of NFC-based payment as claimed in any one of the preceding claims.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather utilizing equivalent structural changes made in the present invention description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (7)
1. A method of NFC-based payment, comprising the steps of:
establishing communication connection between NFC equipment and a server and communication connection between card swiping equipment and the server; the NFC equipment is used for storing user data information and payment paths, wherein the server is used for storing encrypted user data information generated based on the user data information;
after receiving the transaction request sent by the card swiping device, the NFC device sends the encrypted user data information to the card swiping device;
the card swiping device interacts with the server, and sends the encrypted user data information and order information to the server;
the server verifies whether the NFC equipment is effective according to the encrypted user data information;
when the NFC equipment is effective equipment, the server pays through a payment way according to the order information;
when the NFC equipment is invalid equipment, stopping the transaction by the server;
the establishing of the communication connection between the NFC device and the server and the communication connection between the card swiping device and the server comprises the following steps:
the server binds user data information and payment paths;
the NFC equipment establishes connection with the server, acquires the user data information, encrypts the user data information, and acquires encrypted user data information;
the card swiping equipment is connected with the server, so that data can be transferred between the card swiping equipment and the server;
the NFC equipment establishes connection with the server, acquires user data information, encrypts the user data information to obtain encrypted user data information, and comprises the following steps:
the NFC equipment acquires the user data information, wherein the user data information comprises a first character string;
converting the length value of the first character string into hexadecimal system to obtain a character length value, wherein when the character length value is singular, 0 is added in front of the character length value;
base64 encoding is carried out on the first character string to obtain a second character string;
replacing a second character in the character length value contained in the second character string with a first character in the character length value to obtain a third character string;
and splicing the character length value with the third character string to obtain encrypted user data information, wherein the character length value is positioned in front of the third character string.
2. The NFC payment-based method of claim 1, wherein the server verifies whether the NFC device is valid based on the encrypted user data information, comprising the steps of:
the server receives encrypted user data information and order information;
the server firstly deletes the first two characters of the encrypted user data information, and then carries out reverse base64 coding on the rest characters to obtain decoded user data information;
traversing the decoded user data information by the server;
comparing the decoded user data information with the user data information, wherein the NFC device is effective when the characters of the decoded user data information are completely consistent with the characters of the user data information; when the characters of the decoded user data information do not completely coincide with the characters of the user data information, the NFC device is disabled.
3. The NFC payment-based method according to claim 1, wherein after the step of when the NFC device is a valid device, the server makes a payment through a payment route according to the order information, further comprising the steps of:
the server records the payment information, wherein the payment information comprises payment time and payment amount.
4. A method according to claim 3, wherein in the step of the server recording the payment information, the server further transmits the payment information to the user.
5. The NFC payment-based method according to claim 1, wherein after the step of stopping the transaction when the NFC device is an inactive device, the server further comprises the steps of:
the server prompts the user that the NFC equipment is invalid equipment, and prompts the user whether the NFC equipment needs to be connected with the server or not.
6. A NFC payment-based system, comprising:
NFC device, server and at least one card swiping device;
the NFC equipment is in communication connection with the server, and the card swiping equipment is in communication connection with the server; the NFC equipment is used for storing user data information and payment paths, wherein the server is used for storing encrypted user data information generated based on the user data information;
the NFC equipment is used for sending the encrypted user data information to the card swiping equipment after receiving the transaction request sent by the card swiping equipment;
the card swiping device is used for interacting with the server, and sending the encrypted user data information and order information to the server;
the server is used for verifying whether the NFC equipment is effective according to the encrypted user data information;
the server is used for paying according to the order information through a payment way when the NFC equipment is effective equipment;
the server is used for stopping the transaction when the NFC equipment is invalid equipment;
the server is also used for binding user data information and payment paths;
the NFC equipment acquires the user data information through communication connection with the server, encrypts the user data information and acquires encrypted user data information;
the communication connection between the card swiping device and the server is used for enabling data to be transferred between the card swiping device and the server;
the NFC equipment acquires the user data information through communication connection with the server, encrypts the user data information, and the obtaining of encrypted user data information comprises the following steps:
the NFC equipment acquires the user data information, wherein the user data information comprises a first character string;
converting the length value of the first character string into hexadecimal system to obtain a character length value, wherein when the character length value is singular, 0 is added in front of the character length value;
base64 encoding is carried out on the first character string to obtain a second character string;
replacing a second character in the character length value contained in the second character string with a first character in the character length value to obtain a third character string;
and splicing the character length value with the third character string to obtain encrypted user data information, wherein the character length value is positioned in front of the third character string.
7. A computer-readable storage medium, characterized in that it stores a computer program that causes a computer to execute a method of NFC-based payment according to any one of claims 1 to 5.
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| CN202310043239.6A CN115796859B (en) | 2023-01-29 | 2023-01-29 | NFC payment-based method, system and storage medium |
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| CN202310043239.6A CN115796859B (en) | 2023-01-29 | 2023-01-29 | NFC payment-based method, system and storage medium |
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| CN115796859B true CN115796859B (en) | 2023-07-18 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050149739A1 (en) * | 2003-12-31 | 2005-07-07 | Hewlett-Packard Development Company, L.P. | PIN verification using cipher block chaining |
| CN103116844A (en) * | 2013-03-06 | 2013-05-22 | 李锦风 | Near field communication payment method authenticated by both sides of deal |
| CN103400269A (en) * | 2013-07-24 | 2013-11-20 | 江苏晓山信息产业股份有限公司 | Smart community home gateway-based safety payment method |
| CN103595539B (en) * | 2013-11-26 | 2016-08-24 | 南开大学 | Retain the encryption method of the numeric type personally identifiable information of form |
| CN104574052B (en) * | 2015-01-30 | 2018-04-27 | 深圳飞人网络信息技术有限公司 | The method of payment and system of authentication are carried out based on 3D line holographic projections |
| CN105512886A (en) * | 2015-12-04 | 2016-04-20 | 成都中联信通科技股份有限公司 | NFC technology-based financial IC card on-line payment method |
| CN106157025A (en) * | 2016-07-05 | 2016-11-23 | 清华大学深圳研究生院 | The mobile terminal safety method of payment of identity-based card and system |
| CN106301766B (en) * | 2016-11-14 | 2019-08-09 | 成都信息工程大学 | A kind of One-Way Encryption method based on chaos system |
| CN106779698B (en) * | 2016-11-17 | 2021-01-26 | 飞天诚信科技股份有限公司 | Method, system and device for distributing payment mark and safely paying payment mark |
| CN108985768B (en) * | 2018-06-01 | 2020-06-16 | 腾讯科技（深圳）有限公司 | Data transfer system, method and device |
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