CN103870958B - A kind of method of mobile payment and mobile payment special equipment - Google Patents
A kind of method of mobile payment and mobile payment special equipment Download PDFInfo
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- CN103870958B CN103870958B CN201210541013.0A CN201210541013A CN103870958B CN 103870958 B CN103870958 B CN 103870958B CN 201210541013 A CN201210541013 A CN 201210541013A CN 103870958 B CN103870958 B CN 103870958B
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- transaction information
- mobile payment
- special equipment
- intelligent terminal
- payment
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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
- G06Q20/322—Aspects of commerce using mobile devices [M-devices]
- G06Q20/3223—Realising banking transactions through M-devices
-
- 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
-
- 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
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
-
- 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
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/409—Device specific authentication in transaction processing
- G06Q20/4097—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Accounting & Taxation (AREA)
- Physics & Mathematics (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Finance (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
The invention provides a kind of method of mobile payment and mobile payment special equipment, wherein, methods described includes:Transaction Information is received by mobile payment special equipment;Transaction Information is digitally signed by mobile payment special equipment;Transaction Information and its digital signature are sent to financial transaction system by intelligent terminal by mobile payment special equipment.This invention ensures that the security of mobile payment.
Description
Technical field
The present invention relates to mobile payment field, more particularly to a kind of method of mobile payment and mobile payment special equipment.
Background technology
With the fast development of computer technology, internet and development of Mobile Internet technology, domestic enterprise group, government's machine
Close and financial institution all using network oneself with masses between set up a fast and efficiently network channel, be that people carry
For various application service.
Because the high-volume of smart mobile phone is promoted, and people are urgent for the demand of move transaction, financial institution oneself push away
Go out the business such as Mobile banking, mobile payment, user can directly complete the multinomial business of financial transaction system by intelligent terminal.
But it is the financial transaction being exclusively used on network that the design philosophy sheet of existing intelligent terminal in itself is non-, its corresponding operating system
And device composition has security hole, and huge security threat and wind is thus brought to finance business on network system
Danger.
The content of the invention
The invention provides a kind of method of mobile payment and mobile payment special equipment, to solve how to ensure mobile payment
The technical problem of security.
In order to solve the above technical problems, the invention provides a kind of method of mobile payment, methods described includes:
Transaction Information is received by mobile payment special equipment;
The Transaction Information is digitally signed by the mobile payment special equipment;
The Transaction Information and its digital signature are sent to gold by intelligent terminal by the mobile payment special equipment
Melt transaction system.
Further, the step of reception Transaction Information by mobile payment special equipment includes:
Transaction Information is received by the multi-exchange payment terminal itself set by mobile payment special equipment;
The multi-exchange payment terminal includes:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification (RFID) branch
Pay port and stored value card payment terminal.
Further, the Transaction Information and its digital signature are passed through into intelligent terminal by the mobile payment special equipment
The step of sending to financial transaction system includes:
The mobile payment special equipment is set up with intelligent terminal and is connected;
The mobile payment special equipment and intelligent terminal carry out key authentication by the connection of foundation, when the key is recognized
After card passes through, the mobile payment special equipment sends the Transaction Information and its digital signature to the intelligent terminal.
Further, the mobile payment special equipment and intelligent terminal carry out the step of key authentication by the connection of foundation
Suddenly include:
Mobile payment special equipment determines financial transaction system according to Transaction Information, and by the financial transaction system by building
Vertical connection notifies the intelligent terminal;
The intelligent terminal is selected and the gold from the multiple keys corresponding from different financial transaction systems itself stored
Melt the corresponding key of transaction system, and the equipment unique mark obtained according to the key and from mobile payment special equipment is calculated
Go out digital information, and the digital information is sent to the mobile payment special equipment;
Mobile payment special equipment by the digital information with itself according to key corresponding with financial transaction system, equipment only
The digital information that one mark is calculated is compared, if the two is identical, certification passes through.
Further, methods described also includes:
Before mobile payment special equipment receives Transaction Information, legal identity checking is also carried out;
After payment special equipment checking identity to be moved is legal, the input of Transaction Information is just received.
In order to solve the above technical problems, present invention also offers a kind of mobile payment special equipment, the equipment includes:Hand over
Easy data obtaining module, safety function module and communication module, wherein,
The Transaction Information acquisition module, sends to safety for obtaining Transaction Information, and by the Transaction Information of acquisition
Functional module and communication module;
The safety function module, for being digitally signed to the Transaction Information, and by the digital signature send to
The communication module;
The communication module, for the Transaction Information and its digital signature to be sent to financial transaction by intelligent terminal
System.
Further, the Transaction Information acquisition module, includes for obtaining Transaction Information:
The Transaction Information acquisition module, pays for providing multi-exchange payment terminal, and by the multi-exchange
Port receives Transaction Information;A variety of payment terminals include:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification
(RFID) payment terminal and stored value card payment terminal.
Further:
The communication module, is connected for being set up with intelligent terminal, and close with intelligent terminal progress in the connection of foundation
Key certification;When the key authentication by after, the Transaction Information and its digital signature are sent to finance by intelligent terminal
Transaction system.
Further, the communication module, includes for carrying out key authentication with intelligent terminal in the connection of foundation:
The communication module, for being determined to handle the financial transaction mechanism of the Transaction Information according to Transaction Information, by the gold
Melt mechanism of exchange by the linkup transmit of foundation to the intelligent terminal, and according to corresponding with the financial transaction system close
Key, this equipment unique mark calculate digital information;Its finance received of the utilization that the digital information and intelligent terminal are returned is handed over
The digital information that the cipher key calculation that easy mechanism is determined is obtained is compared, if the two is identical, certification passes through.
Further, the equipment also includes authentication module,
The authentication module, for the checking of the legal identity of user, and notifies after being verified the transaction
MIM message input module;
The Transaction Information input module, for after the notice is received, it is allowed to the input of Transaction Information.
The transactional operation completed in existing mobile payment technology by intelligent terminal is transferred to mobile payment by above-mentioned technical proposal
Special equipment is completed, and mobile payment security is ensured by the specificity of mobile payment special equipment.
Brief description of the drawings
Fig. 1 is the method for mobile payment flow chart of the present embodiment;
Fig. 2 schemes for the mobile payment special equipment composition of the present embodiment;
Fig. 3 schemes for the mobile payment special equipment composition of this application example.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Fig. 1 is the method for mobile payment flow chart of the present embodiment.
S101 receives Transaction Information by mobile payment special equipment;
Mobile payment special equipment can provide multi-exchange payment terminal and be selected for user, such as magnetic stripe card payment terminal, IC
Card payment terminal, radio frequency identification (RFID) payment terminal or stored value card payment terminal;User can pass through these transaction payment ends
Mouth inputs Transaction Information to mobile payment special equipment;The Transaction Information at least needs to include payment account and payment, also
It may include payment cipher;Such as, stored value card payment terminal provides the user the input window of electronic account, password and payment
Mouthful;;Magnetic stripe card payment terminal provides the user the card reader for swiping the card, and payment input window;
To ensure the security of mobile payment, the mobile payment device can be before the input operation of user be received, to user
Identity carry out legitimate verification;Only after mobile payment special equipment confirms that user identity is legal, just allow user to input and hand over
Easy information.The method of mobile payment device checking user identity has a lot, such as password authentication, fingerprint authentication;
To ensure the security of mobile payment, mobile payment special equipment can merchandise this after Transaction Information is got
Information is shown to user again, is confirmed whether to carry out following single stepping by user;
S102 is digitally signed by the mobile payment special equipment to the Transaction Information;
S103 is sent the Transaction Information and its digital signature by intelligent terminal by the mobile payment special equipment
To financial transaction system;
In step s 103, mobile payment special equipment is set up with intelligent terminal be connected first, and the mobile payment is special
It is (being not limited to) that equipment, which sets up the mode being connected with intelligent terminal,:WIFI connections, bluetooth connection, near-field communication (NFC) connection, ear
Machine is connected or USB connections;
After a connection setup, mobile payment special equipment and intelligent terminal carry out key authentication by the connection of foundation;It is close
The method of key certification singly can carry out internal authentication and external authentication by intelligent terminal, or special by intelligent terminal and mobile payment
Equipment, which coordinates, to be authenticated;Intelligent terminal and mobile payment special equipment coordinate the step of being authenticated to be:
Step one:Mobile payment special equipment determines the financial transaction system of the processing Transaction Information according to Transaction Information,
And the financial transaction system of determination is notified into the intelligent terminal by the connection of foundation;
Intelligent terminal obtains equipment unique mark by the connection of foundation from mobile payment special equipment;
Step 2:Intelligent terminal is selected from the multiple keys corresponding from different financial transaction systems itself stored with being somebody's turn to do
The corresponding key of financial transaction system;
Step 3:The equipment unique mark that key that intelligent terminal is selected according to step 2, step one are obtained calculates numeral
Information;
Step 4:Intelligent terminal sends the digital information to mobile payment special equipment;
Step 5:Mobile payment special equipment is same from the multiple corresponding from different financial transaction systems close of itself storage
Key corresponding with the financial transaction system is selected in key;According to the key and this device identification, a digital information is calculated;
Whether mobile payment special equipment compares the digital information itself calculated and the digital information from intelligent terminal that receives
Identical, if identical, certification passes through.
When the key authentication by after, the mobile payment special equipment sends out the Transaction Information and its digital signature
Deliver to the intelligent terminal;Intelligent terminal for reception can also show the Transaction Information, and allow user to after Transaction Information thereon
It is confirmed whether to continue Transaction Information to send to financial transaction system;
Intelligent terminal by Transaction Information and its digital signature by with the escape way that financial transaction system is set up send to
Financial transaction system;The escape way can be the SSL passages in current tradition PKI technologies, the numeral set up needed for SSL passages
Certificate and key can be stored in the digital certificate and private key of the user on mobile payment special equipment.
In order that user understands transaction results, financial transaction system is tested the Transaction Information of reception and its digital signature
After demonstrate,proving and handling, result and its digital signature can be back to intelligent terminal;By intelligent terminal again by the result and
Its digital signature is sent to Mobile payment terminal.
Fig. 2 schemes for the mobile payment special equipment composition of the present embodiment.
The equipment includes Transaction Information acquisition module, safety function module and communication module, wherein,
The Transaction Information acquisition module, sends to safety for obtaining Transaction Information, and by the Transaction Information of acquisition
Functional module and communication module;
The Transaction Information input module, for providing multi-exchange payment terminal, and passes through the multi-exchange branch
Pay port and receive Transaction Information;A variety of payment terminals include:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification
(RFID) payment terminal and stored value card payment terminal;
The safety function module, for being digitally signed to the Transaction Information, and by the digital signature send to
The communication module;
The communication module, for the Transaction Information and its digital signature to be sent to financial transaction by intelligent terminal
System;
The communication module, for intelligent terminal set up be connected, connection set up mode include WIFI connections, bluetooth connection,
Near-field communication (NFC) connection, earphone connection or USB connections;And carry out key authentication with intelligent terminal in the connection of foundation;When
The key authentication is sent the Transaction Information and its digital signature to financial transaction system by intelligent terminal by rear.
To ensure security, the said equipment may also include authentication module, for the legal identity checking to user, and
The Transaction Information input module is notified after being verified;Transaction Information input module, for after the notice is received,
Allow the input of Transaction Information.
Fig. 3 schemes for the mobile payment special equipment composition of this application example.
The special equipment includes Transaction Information acquisition module, safety function module, communication module, authentication module and master
Controller;Wherein,
Master controller, is the central processing unit of mobile payment special equipment, can be used based on the RISC processing of 8 or more
The STM32 chips of the high safety SOC of device, such as ST Microelectronics ST or the Z8D168U chips of national technology company;
Authentication module, under the control of the master controller, when this mobile payment special equipment is from standby shape
State switchs to working condition, or from power-down state switch to power-up state when, user identity is verified;And lead to after being verified
Know the master controller;Verifying the method for user identity includes password authentication with finger print identifying;
Transaction Information acquisition module, under the control of the master controller, transaction to be obtained when user identity is legal
Information, and the Transaction Information of acquisition is sent to communication module and safety function module by master controller;
The safety function module, for being obtained under the control of the master controller to the Transaction Information acquisition module
Transaction Information be digitally signed, and the digital signature is sent to communication module;
The communication module, for passing through the Transaction Information received and its signature under the control of the master controller
Intelligent terminal is sent to financial transaction system.
Above-mentioned Transaction Information acquisition module includes:Pay submodule, button submodule, display sub-module, sub-module stored
And image reading submodule, wherein:
Submodule is paid there is provided multi-exchange payment terminal, and transaction letter is received by the multi-exchange payment terminal
Breath;A variety of payment terminals include:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification (RFID) payment terminal and
Stored value card payment terminal;Such as, stored value card payment terminal provides the user the input window of electronic account, password and payment
Mouthful;Magnetic stripe card payment terminal provides the user the card reader for swiping the card, and payment input window;Pay submodule
The Transaction Information of reception is sent to sub-module stored;
Image reading submodule, for reading Transaction Information from image (such as bar code, Quick Response Code), and the transaction is believed
Breath is sent to sub-module stored;
Button submodule, for providing the user the function by keyboard input information;Such as, user can pass through button
Module inputs Transaction Information input window that correlation unit is provided into payment submodule etc.;
Display sub-module, for user's display information;The information can be the Transaction Information of sub-module stored storage;
Sub-module stored, the Transaction Information obtained for store transaction data obtaining module, and in the control of master controller
The Transaction Information of storage is sent to security module under system.
Above-mentioned safety function module includes:Digital signature submodule, digital certificate submodule, key management submodule:
Digital signature submodule, for obtaining digital certificate from digital certificate submodule, being obtained from key management module should
The private key of mobile payment special equipment, using the digital certificate and private key to the Transaction Information that is stored from above-mentioned sub-module stored
It is digitally signed, and the digital signature is sent to communication module;
Digital certificate submodule, the digital certificate for storing this mobile payment special equipment;
Key management submodule, the private key for managing mobile payment special equipment, and it is multiple from different financial transactions
The corresponding key of system.
Above-mentioned communication module include wifi connection units, bluetooth connection unit, earphone connection compound, USB connection units with
And NFC connection units;Each connection unit is set up by corresponding interconnection technique and intelligent terminal, and on intelligent terminal
Pass the Transaction Information received and its digital signature.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also use one or more integrated circuits to realize, accordingly
Each module/unit in ground, above-described embodiment can be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
It should be noted that the present invention can also have other various embodiments, without departing substantially from of the invention spiritual and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation according to the present invention, but these are corresponding
Change and deformation should all belong to the protection domain of appended claims of the invention.
Claims (6)
1. a kind of method of mobile payment, it is characterised in that methods described includes:
Transaction Information is received by mobile payment special equipment;
The Transaction Information is digitally signed by the mobile payment special equipment;
The mobile payment special equipment and intelligent terminal carry out key authentication by the connection of foundation, when the key authentication is logical
Later, the Transaction Information and its digital signature are sent to finance friendship by intelligent terminal by the mobile payment special equipment
Easy system;
Wherein, the mobile payment special equipment and intelligent terminal carry out key authentication by the connection of foundation, including:
The mobile payment special equipment is set up with intelligent terminal and is connected;
Mobile payment special equipment determines financial transaction system according to Transaction Information, and the financial transaction system is passed through into foundation
Connection notifies the intelligent terminal;
The intelligent terminal is selected from the multiple keys corresponding from different financial transaction systems itself stored to be handed over the finance
The corresponding key of easy system, and calculate number according to the key and from the equipment unique mark of mobile payment special equipment acquisition
Word information, and the digital information is sent to the mobile payment special equipment;
Mobile payment special equipment uniquely marks the digital information with itself according to key corresponding with financial transaction system, equipment
Know the digital information calculated to be compared, if the two is identical, certification passes through.
2. the method as described in claim 1, it is characterised in that the step that Transaction Information is received by mobile payment special equipment
Suddenly further comprise:
Transaction Information is received by the multi-exchange payment terminal itself set by mobile payment special equipment;
The multi-exchange payment terminal includes:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification (RFID) payment terminals
Mouth and stored value card payment terminal.
3. such as method according to any one of claims 1 to 2, it is characterised in that methods described also includes:
Before mobile payment special equipment receives Transaction Information, legal identity checking is also carried out;
After payment special equipment checking identity to be moved is legal, the input of Transaction Information is just received.
4. a kind of mobile payment special equipment, it is characterised in that the equipment includes:Transaction Information acquisition module, security function
Module and communication module, wherein,
The Transaction Information acquisition module, sends to security function for obtaining Transaction Information, and by the Transaction Information of acquisition
Module and communication module;
The safety function module, for being digitally signed to the Transaction Information, and the digital signature is sent to described
Communication module;
The communication module, is connected for being set up with intelligent terminal, and recognizes in the connection of foundation with intelligent terminal progress key
Card;When the key authentication by after, the Transaction Information and its digital signature are sent to financial transaction by intelligent terminal
System;
Wherein, the communication module is used to set up with intelligent terminal and is connected, and close with intelligent terminal progress in the connection of foundation
Key certification, is specifically included:
Set up and be connected with intelligent terminal;
Determined to handle the financial transaction system of the Transaction Information, the company that the financial transaction system is passed through into foundation according to Transaction Information
The intelligent terminal is delivered in sending and receiving, and calculates number according to key corresponding with the financial transaction system, this equipment unique mark
Word information;The digital information that the digital information is returned with intelligent terminal is compared, if the two is identical, certification passes through;Its
In, the digital information that the intelligent terminal is returned be the key that is determined using financial transaction system of its reception of the intelligent terminal with
And the equipment unique mark obtained from this equipment calculates what is obtained.
5. equipment as claimed in claim 4, it is characterised in that the Transaction Information acquisition module, for obtaining Transaction Information
Further comprise:
The Transaction Information acquisition module, for providing multi-exchange payment terminal, and passes through the multi-exchange payment terminal
Receive Transaction Information;A variety of payment terminals include:Magnetic stripe card payment terminal, IC-card payment terminal, radio frequency identification (RFID)
Payment terminal and stored value card payment terminal.
6. the equipment as described in any one of claim 4~5, it is characterised in that the equipment also includes authentication module,
The authentication module, for the checking of the legal identity of user, and notifies after being verified the Transaction Information
Input module;
The Transaction Information input module, for after the notice is received, it is allowed to the input of Transaction Information.
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CN201210541013.0A CN103870958B (en) | 2012-12-13 | 2012-12-13 | A kind of method of mobile payment and mobile payment special equipment |
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CN201210541013.0A CN103870958B (en) | 2012-12-13 | 2012-12-13 | A kind of method of mobile payment and mobile payment special equipment |
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CN103870958B true CN103870958B (en) | 2017-09-29 |
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CN104123645B (en) * | 2014-07-15 | 2018-08-31 | 北京金科联信数据科技有限公司 | Mobile Internet intelligent payment terminal and payment system based on financial security certification |
CN105590206B (en) * | 2014-11-26 | 2020-10-23 | 中国银联股份有限公司 | Method for verifying terminal authenticity in electronic cash transaction |
CN108596620A (en) * | 2018-04-27 | 2018-09-28 | 北京华大智宝电子系统有限公司 | A kind of endorsement method and device |
CN111815318A (en) * | 2020-06-17 | 2020-10-23 | 衡水海博云科技有限公司 | Equipment, system and method for aggregated payment |
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CN101853453A (en) * | 2009-04-03 | 2010-10-06 | 中兴通讯股份有限公司 | System and method for realizing mobile payment |
CN102801710A (en) * | 2012-07-04 | 2012-11-28 | 北京天龙融和软件有限公司 | Networked transaction method and system |
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CN101739624A (en) * | 2008-11-06 | 2010-06-16 | 同方股份有限公司 | Trusted payment network system |
CN101853453A (en) * | 2009-04-03 | 2010-10-06 | 中兴通讯股份有限公司 | System and method for realizing mobile payment |
CN101639960A (en) * | 2009-08-26 | 2010-02-03 | 许国栋 | Electronic payment device for personal use |
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