CN106228713B - Data processing system and method for multiple POS terminals - Google Patents
Data processing system and method for multiple POS terminals Download PDFInfo
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- CN106228713B CN106228713B CN201610591757.1A CN201610591757A CN106228713B CN 106228713 B CN106228713 B CN 106228713B CN 201610591757 A CN201610591757 A CN 201610591757A CN 106228713 B CN106228713 B CN 106228713B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
- G07G1/14—Systems including one or more distant stations co-operating with a central processing unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Cash Registers Or Receiving Machines (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates generally to data processings, and are more particularly to used for the data processing system and method for multiple POS terminals.In the data processing system for multiple POS terminals according to one embodiment of the invention, multiple POS terminal is assigned respectively unique first master key, the applications client that can be run in multiple POS terminal for one, it is assigned the second common master key, and the data processing system includes：Communication unit is configured to communicate with multiple POS terminals；And the processing unit coupled with the communication unit, it is configured as executing operation associated with the applications client, the operation includes register processing, on-line transaction processing and batch settlement bargain processing, wherein, the data that on-line transaction processing is related to are handled based on the first working key by first master key encryption at the POS terminal and are handled based on the second working key by second master key encryption at the processing unit.
Description
Technical field
The present invention relates generally to data processings, and are more particularly to used for data processing system and the side of multiple POS terminals
Method.
Background technology
In traditional POS industries, terminal is before cloth is put into trade company, POS terminal proficient service mechanism or receipts single machine
Structure needs to pour into terminal master key using the code keyboard of female POS toward POS terminal manually, wherein terminal master key（TMK）For every
Platform POS terminal is unique.Unique terminal master key, on-line transaction are shared between every POS terminal and online transaction system
System calls encryption equipment to generate PIK codes and MAK codes at random, wherein PIK codes and MAK codes are all encrypted with TMK.PIK codes are saved in
In code keyboard (PIN PAD), for such as personal identification number（PIN）Etc user password be encrypted, MAK codes by with
In Package authentication (MAC).During on-line transaction, to prevent PIN from revealing or being cracked, it is desirable that entirely believe from terminal to credit card issuer
It ceases in interactive process, it is whole that safe encipherment protection is carried out to PIN, do not allow any rings of the PIN in computer and networks system
Section occurs with plaintext version.
With business get prosperous with every passing day and it is flourishing, POS terminal obtains more and more extensive application.But the prior art
POS terminal has the disadvantage that：
（1）Hardware maintenance is of high cost.The sales counter of a usual trade company needs to be equipped with more POS terminals and corresponding password
Keyboard, this causes the waste of hardware resource and maintenance cost；
（2）New business Difficulty.Whenever thering is new business to be promoted, need again burning POS machine program and
Code keyboard is filling, for single business, need to apply for more sets of data in China, input is big, and it is slow to promote progress.
Invention content
An object of the present invention is to provide a kind of data processing system for multiple POS terminals, can with efficiently,
The mode of low cost provides good autgmentability for new business.
In the data processing system for multiple POS terminals according to one embodiment of the invention, multiple POS terminal
It is assigned respectively unique first master key, the applications client that can be run in multiple POS terminal for one, quilt
The second common master key of distribution, and the data processing system includes：
Communication unit is configured to communicate with multiple POS terminals；And
The processing unit coupled with the communication unit is configured as executing behaviour associated with the applications client
To make, the operation includes processing of registering, on-line transaction processing and batch settlement bargain processing,
Wherein, the data that on-line transaction processing is related to are at the POS terminal based on by first master key encryption
First working key come handle and at the processing unit based on the second working key by second master key encryption come
Processing.
Preferably, in above-mentioned data processing system, first working key includes to be used by code keyboard for encrypting
First PIK codes of family password and the first MAK codes for Package authentication, and second working key includes by processing unit
The 2nd PIK codes for encrypting user password and for the 2nd MAK codes of Package authentication.
Preferably, in above-mentioned data processing system, the processing unit is included as that the applications client is specially equipped with
Application terminal to execute the operation.
Preferably, in above-mentioned data processing system, the processing unit executes processing of registering as follows：
When one of multiple POS terminals are that the applications client registers request to data processing system initiation,
The POS terminal for generating request of registering with the first working key of first master key encryption and to initiation returns to first work
Key, and the request of registering for the first time for the applications client also generate close with the second work of the second master key encryption
Key.
Preferably, in above-mentioned data processing system, the processing unit executes on-line transaction processing as follows：
When one of multiple POS terminals are that the applications client initiates on-line transaction processing to data processing system
When request, legitimate verification is carried out to on-line transaction processing request, and after legitimate verification passes through, it is hard by calling
Part encryption equipment by using the user password of the first PIK code encryptions be converted to using the user password of the 2nd PIK code encryptions for
Processing on-line transaction handles the data being related to.
Preferably, in above-mentioned data processing system, the processing unit is executed as follows at batch settlement bargain
Reason：
When one of multiple POS terminals are that the applications client is initiated to data processing system at batch settlement bargain
When reason request, the first working key and the second working key preserved in the processing unit is emptied.
Preferably, in above-mentioned data processing system, each POS terminal respectively has unique device identifier, described
There is applications client unique application identifier, the processing unit to pass through the equipment by including in on-line transaction processing request
Identifier and application identifier are compared to execute legitimate verification with predetermined incidence relation.
It is a further object to provide a kind of data processing methods for multiple POS terminals, can be with height
Effect, the mode of low cost provide good autgmentability for new business.
It is comprised the steps of according to the data processing method for multiple POS terminals of one embodiment of the invention：
Respectively unique first master key is distributed for multiple POS terminals；
For the second common master key of the applications client that can be run in a multiple POS terminals distribution；
Execute associated with applications client operation, the operation include register processing, on-line transaction handle and
Settlement bargain processing is criticized,
Wherein, the data that on-line transaction processing is related to are at the POS terminal based on by first master key encryption
First working key come handle and at the processing unit based on the second working key by second master key encryption come
Processing.
Description of the drawings
In order to understand in detail the present invention features described above mode, can refer to embodiment carry out it is outlined above to this
Being discussed in greater detail for invention, is shown in the accompanying drawings a part for embodiment.However, it is noted that attached drawing only shows the typical case of the present invention
Embodiment, and be therefore not meant to be understood to limit its range, because the present invention allows other equally valid embodiments.
Fig. 1 is the block diagram according to the data processing system for multiple POS terminals of one embodiment of the invention.
Fig. 2 is the flow chart according to the data processing method for multiple POS terminals of another embodiment of the present invention.
Fig. 3 is the flow chart according to the data processing method of the processing operation that is related to registering of another embodiment of the present invention.
Fig. 4 is the data processing method according to the on-line transaction data manipulation that is related to registering of another embodiment of the present invention
Flow chart.
Fig. 5 is the data processing method according to batch settlement bargain processing operation that is related to registering of another embodiment of the present invention
Flow chart.
Specific implementation mode
Referring to which illustrates the attached drawings of illustrative examples of the present invention to more fully illustrate the present invention.But this hair
It is bright to be realized by different form, and be not construed as being only limitted to each embodiment given herein.The above-mentioned each implementation provided
Example is intended to make the disclosure of this paper comprehensively complete, and protection scope of the present invention is more fully communicated to people in the art
Member.
The term of such as "comprising" and " comprising " etc indicates have directly in addition to having in the specification and in the claims
Other than the unit and step clearly stated, technical scheme of the present invention is also not excluded for having its that do not stated directly or clearly
The situation of its unit and step.
In the present specification, data processing system refers to such a system, can to the message that is sent in POS terminal into
Row decryption, while the legitimacy of POS terminal and application terminal, incidence relation are verified, it includes processing units to realize
Magnetic stripe card borrows credit transaction, PBOC that the processing operation needed for credit transaction, qPBOC offline transactions etc., processing operation is borrowed for example to wrap
It includes but is not limited to tissue finance and receive single platform message, connection hardware encryption equipment and calculating message MAC etc..
In the present specification, applications client can be the application program operated in POS terminal intelligent operating system,
It is configured to complete payment function by the interaction with data processing system.According to one aspect of the present invention, for operating in
Same application client in multiple POS terminals, with unique application identifier and is saved in data processing system
In.
In the present specification, application terminal can be the application program run in a data processing system.According to the present invention
Other side, each application corresponding only one application terminal, and applications client completed by application terminal it is online
Trading function.
Other side according to the invention distributes respectively unique first master key for each POS terminal, and is every
The second master key of a applications client that can be run in multiple POS terminals or application distribution jointly.As a result, at POS ends
Based on handling the data that are related to by the first working key of the first master key encryption to handle on-line transaction at end, and in online friendship
Based on being handled at on-line transaction by the second working key of the second master key encryption in the data processing system of easy system etc
Manage the data being related to.
Other side according to the invention, when one of multiple POS terminals of operation same application client are
When the applications client registers request to data processing system initiation, it will generate with the first working key of the first master key encryption
And first working key is returned to the register POS terminal of request of initiation, in addition, if this is registered, request is the applications client
Request of registering for the first time, then also generate the second working key with the second master key encryption.Preferably, the first working key includes
Be used to encrypt the first PIK codes of user password by code keyboard and for the first MAK codes of Package authentication, and second work it is close
Key includes by processing unit for encrypting the 2nd PIK codes of user password and for the 2nd MAK codes of Package authentication.
It is another aspect of this invention to provide that for each applications client or application, it is equipped in data processing system special
Application terminal execute the operation for being related to the applications client, these operations for example include but not limited to the processing, online of registering
Trading processing and batch settlement bargain processing etc., and in a data processing system, in application terminal and mark applications client
Association is established between application identifier.When applications client is initiated to merchandise, application terminal is by the on-line transaction from POS terminal
Data are handled after being converted to the on-line transaction data for meeting application terminal specification, as described previously for same application
Client shares identical second master key, thus can be while guaranteeing payment safety, and processing in a uniform manner joins
Machine is merchandised, this is advantageous the introducing of new business.
Fig. 1 is the block diagram according to the data processing system for multiple POS terminals of one embodiment of the invention.
Include communication unit 110 and processing unit 120 for the data processing system 10 of multiple POS terminals shown in Fig. 1,
In, communication unit 110 is configured to and multiple POS terminals（It is shown with label 21 and 22 in Fig. 1）And receive single platform 30 and hardware
Encryption equipment 40 communicates, and processing unit 120 is coupled with communication unit 110 to execute operation associated with applications client, such as
It registers processing, on-line transaction processing and the processing of batch settlement bargain etc..Preferably, processing unit 120 includes one or more application
Terminal（It is shown with label 121A and 121B in Fig. 1）, each application terminal is associated with an application or applications client, quilt
It is configured to execute the operation for being related to associated applications client.By taking embodiment shown in FIG. 1 as an example, POS terminal 21 and 22 is all
Including applications client A and B, application terminal 121A is associated with applications client A, and application terminal 121B and applications client
B is associated.
Fig. 2 is the flow chart according to the data processing method for multiple POS terminals of another embodiment of the present invention.For
It is convenient to illustrate, the method for the present embodiment is realized by data processing system shown in FIG. 1.It should be noted however that this implementation
Example is not limited to the system with specific structure.
Include the following steps according to the data processing method of the present embodiment：
In step S210, for respective unique first master key of multiple POS terminals distribution.Step S220 is subsequently entered,
The second common master key is distributed for the applications client that one or more can be run in multiple POS terminals.It subsequently enters
Step S230, data processing system 10 execute operation associated with applications client, and operation includes register processing, on-line transaction
Processing and batch settlement bargain processing etc., wherein the data that on-line transaction processing is related to are at POS terminal based on by the first master key
Encrypted first working key is handled and at processing unit based on being located by the second working key of the second master key encryption
Reason.
Fig. 3 is the flow chart according to the data processing method of the processing operation that is related to registering of another embodiment of the present invention.
Convenient to illustrate, the method for the present embodiment is realized by data processing system shown in FIG. 1.It should be noted however that this reality
It applies example and is not limited to the system with specific structure.
Include the following steps according to the data processing method of the present embodiment：
In step S310, communication unit 110 is from one of multiple POS terminals（Such as the POS terminal 21 in Fig. 1）It connects
Receive applications client（Such as the A in Fig. 1）The request of registering sent, the device identifier that request includes POS terminal 21 of registering
With the application identifier corresponding to the applications client.
Step S320 is subsequently entered, with the relevant application terminal of application identifier（Such as the application terminal 121A in Fig. 1）
By calling hardware encryption equipment 40 to generate with encrypted first working keys of the first master key TMK1（Such as the first PKI codes and
One MAK codes）And return to first working key to the register POS terminal of request of initiation.
Then in step S330, application terminal 121A confirm this register request whether be applications client A for the first time
Otherwise request of registering enters step S350 if it is, entering step S340.
In step S340, application terminal 121A is encrypted with the second master key TMK2 by calling hardware encryption equipment 40 to generate
Second working key（Such as the first PKI codes and the first MAK codes）And enter step S350.
In the second working key that step S350, application terminal 121A preserve the first working key and may generate.
Step S360 is subsequently entered, communication unit 110 sends the first PIK codes to POS terminal 21, which is stored into POS
The code keyboard of terminal 21 is for encryption user password PIN.
Fig. 4 is the flow according to the data processing method for being related to on-line transaction processing operation of another embodiment of the present invention
Figure.Convenient to illustrate, the method for the present embodiment is realized by data processing system shown in FIG. 1.It should be noted however that this
Embodiment is not limited to the system with specific structure.
Include the following steps according to the data processing method of the present embodiment：
In step S410, communication unit 110 is from one of multiple POS terminals（Such as the POS terminal 21 in Fig. 1）It connects
Receive applications client（Such as the A in Fig. 1）The on-line transaction of transmission is asked, and on-line transaction request includes on-line transaction data
（Such as user password PIN and payment amount with the first PIK code encryptions）And POS terminal 21 device identifier and with answer
With the corresponding application identifier of client.
Legitimate verification is carried out to the on-line transaction processing request of reception in step S420, application terminal 121A, such as logical
It crosses and compares the device identifier and application identifier that include in on-line transaction processing request with predetermined incidence relation
Relatively execute legitimate verification.If legitimate verification passes through, S430 is entered step, otherwise then terminates operation.
Judge whether application associated with application identifier has registered in step S430, application terminal 121A, if
It does not register, then enters step S440, execute processing operation shown in Fig. 3 of registering, otherwise enter step S450.Executing step
S450 is also entered step after S440.
In step S450, application terminal 121A is by calling hardware encryption equipment 40 that will utilize the user of the first PIK code encryptions
Password is converted to the user password using the 2nd PIK code encryptions.
Step S460 is subsequently entered, application terminal 121A utilizes the 2nd MIK codes in the second working key to calculate MAC, and
Corresponding message domain is subjected to polishing and filling to generate complete message according to point of sales terminal specification.
Then in step S470, complete message is sent to receipts list platform 30 by application terminal 121A.
Step S480 is subsequently entered, application terminal 121A will be back to from the credit card issuer handling result for receiving single platform 30
POS terminal 21.
Fig. 5 is the data processing method according to batch settlement bargain processing operation that is related to registering of another embodiment of the present invention
Flow chart.Convenient to illustrate, the method for the present embodiment is realized by data processing system shown in FIG. 1.But it may be noted that
, the present embodiment is not limited to the system with specific structure.
Include the following steps according to the data processing method of the present embodiment：
In step S510, communication unit 110 is from one of multiple POS terminals（Such as the POS terminal 21 in Fig. 1）It connects
Receive applications client（Such as the A in Fig. 1）Batch settlement bargain processing request sent.
Step S520 is subsequently entered, application terminal 121A instructions POS terminal 21 uploads corresponding device identifier and application
Identifier.
Then step S530, application terminal 121A empty its preservation with 21 relevant first working key of POS terminal
With with apply relevant second working keys of A.
Embodiments and examples set forth herein is provided, to be best described by the reality according to this technology and its specific application
Example is applied, and thus enables those skilled in the art to implement and using the present invention.But those skilled in the art will
Know, above description and example are provided only for the purposes of illustrating and illustrating.The description proposed is not intended to cover the present invention
Various aspects or limit the invention to disclosed precise forms.
In view of the above, the scope of the present disclosure is determined by following claims.
Claims (14)
1. a kind of data processing system for multiple POS terminals, it is close that multiple POS terminal is assigned respectively unique first master
Key, which is characterized in that the applications client that can be run in multiple POS terminal for one is assigned common the
Two master keys, and the data processing system includes：
Communication unit is configured to communicate with multiple POS terminals；And
The processing unit coupled with the communication unit is configured as executing operation associated with the applications client,
The operation includes processing of registering, on-line transaction processing and batch settlement bargain processing,
Wherein, the data that on-line transaction processing is related to are at the POS terminal based on by the first of first master key encryption
Working key is handled at the processing unit based on the second working key by second master key encryption to handle.
2. data processing system as described in claim 1, wherein first working key includes by code keyboard for adding
First PIK codes of close user password and the first MAK codes for Package authentication, and second working key includes to be handled
Unit is used to encrypt the 2nd PIK codes of user password and the 2nd MAK codes for Package authentication.
3. data processing system as described in claim 1, wherein the processing unit is included as that the applications client is special
The application terminal of outfit is to execute the operation.
4. data processing system as described in claim 1, wherein the processing unit executes sign-desk as follows
Reason：
When one of multiple POS terminals are that the applications client registers request to data processing system initiation, generate
Register with the first working key of first master key encryption and to initiation request POS terminal return this first work it is close
Key, and the request of registering for the first time for the applications client, also generate the second working key with the second master key encryption.
5. data processing system as claimed in claim 2, wherein the processing unit executes on-line transaction as follows
Processing：
When one of multiple POS terminals are that the applications client initiates on-line transaction processing request to data processing system
When, legitimate verification is carried out to on-line transaction processing request, and after legitimate verification passes through, by calling hardware to add
Close machine will be converted to using the user password of the 2nd PIK code encryptions using the user password of the first PIK code encryptions for processing
The data that on-line transaction processing is related to.
6. data processing system as described in claim 1, wherein the processing unit executes batch clearing and hands over as follows
It is disposable：
When one of multiple POS terminals are that the applications client is asked to data processing system initiation batch settlement bargain processing
When asking, the first working key and the second working key preserved in the processing unit is emptied.
7. data processing system as claimed in claim 5, wherein each POS terminal respectively has unique device identifier,
The applications client has unique application identifier, and the processing unit by that will include in on-line transaction processing request
Device identifier and application identifier are compared to execute legitimate verification with predetermined incidence relation.
8. a kind of data processing method for multiple POS terminals, which is characterized in that comprise the steps of：
Respectively unique first master key is distributed for multiple POS terminals；
For the second common master key of the applications client that can be run in a multiple POS terminals distribution；
Operation associated with the applications client is executed by processing unit, the operation includes register processing, on-line transaction
Processing and batch settlement bargain processing,
Wherein, the data that on-line transaction processing is related to are at the POS terminal based on by the first of first master key encryption
Working key is handled at the processing unit based on the second working key by second master key encryption to handle.
9. data processing method as claimed in claim 8, wherein first working key includes by code keyboard for adding
First PIK codes of close user password and the first MAK codes for Package authentication, and second working key includes to be handled
Unit is used to encrypt the 2nd PIK codes of user password and the 2nd MAK codes for Package authentication.
10. data processing method as claimed in claim 8, wherein be utilized as the application that the applications client is specially equipped with
Terminal executes the operation.
11. data processing method as claimed in claim 8, wherein execute processing of registering as follows：
When one of multiple POS terminals register request for applications client initiation, generate close with first master
Encrypted first working key of key simultaneously returns to first working key to the register POS terminal of request of initiation, and for described
The request of registering for the first time of applications client, also generates the second working key with the second master key encryption.
12. data processing method as claimed in claim 9, wherein execute on-line transaction processing as follows：
When one of multiple POS terminals are that the applications client initiates on-line transaction processing request, to the online friendship
Disposable request carries out legitimate verification, and after legitimate verification passes through, by calling hardware encryption equipment that will utilize the
The user password of one PIK code encryptions, which is converted to, to be handled using the user password of the 2nd PIK code encryptions for processing on-line transaction
The data being related to.
13. data processing method as claimed in claim 8, wherein execute batch settlement bargain processing as follows：
When one of multiple POS terminals are that the applications client is initiated to criticize settlement bargain processing request, preservation is emptied
The first working key and the second working key.
14. data processing method as claimed in claim 12, wherein each POS terminal respectively has unique device identification
Symbol, the applications client have unique application identifier, pass through the device identification that will include in on-line transaction processing request
Symbol and application identifier are compared to execute legitimate verification with predetermined incidence relation.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591757.1A CN106228713B (en) | 2016-07-26 | 2016-07-26 | Data processing system and method for multiple POS terminals |
| PCT/CN2017/092535 WO2018019125A1 (en) | 2016-07-26 | 2017-07-11 | System and method for processing data for multiple pos terminals |
| TW106123694A TWI668646B (en) | 2016-07-26 | 2017-07-14 | Data processing system and method for multiple POS terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591757.1A CN106228713B (en) | 2016-07-26 | 2016-07-26 | Data processing system and method for multiple POS terminals |
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| CN106228713A CN106228713A (en) | 2016-12-14 |
| CN106228713B true CN106228713B (en) | 2018-08-10 |
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| CN201610591757.1A Active CN106228713B (en) | 2016-07-26 | 2016-07-26 | Data processing system and method for multiple POS terminals |
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|---|---|
| CN (1) | CN106228713B (en) |
| TW (1) | TWI668646B (en) |
| WO (1) | WO2018019125A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106228713B (en) * | 2016-07-26 | 2018-08-10 | 中国银联股份有限公司 | Data processing system and method for multiple POS terminals |
| CN110048831A (en) * | 2018-12-29 | 2019-07-23 | 中国银联股份有限公司 | The distribution method and diostribution device of POS terminal master key |
| CN111935158B (en) * | 2020-08-12 | 2021-02-26 | 盐城工学院 | Financial data management method of remote network consumption system |
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| CN101867895A (en) * | 2009-09-01 | 2010-10-20 | 深圳市安捷信联科技有限公司 | Consumption method based on mobile terminal and messages, mobile terminal and business system |
| CN102299799A (en) * | 2010-06-24 | 2011-12-28 | 索尼公司 | Information processing device and method, program, and information processing system |
| CN102054258A (en) * | 2010-12-16 | 2011-05-11 | 中国建设银行股份有限公司 | Electronic bank safety certificating method and system based on mobile equipment |
| CN102542451A (en) * | 2010-12-24 | 2012-07-04 | 北大方正集团有限公司 | Electronic paying method, system and device thereof |
| CN102831534A (en) * | 2011-06-15 | 2012-12-19 | 郑幸鲲 | System and method for issuing and verifying electronic coupon |
| JP2015119321A (en) * | 2013-12-18 | 2015-06-25 | セコム株式会社 | Communication system and communication method |
| CN104954123A (en) * | 2014-03-28 | 2015-09-30 | 中国银联股份有限公司 | Intelligent POS terminal main key updating system and updating method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106228713A (en) | 2016-12-14 |
| TW201804382A (en) | 2018-02-01 |
| WO2018019125A1 (en) | 2018-02-01 |
| TWI668646B (en) | 2019-08-11 |
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