CN108229966A - A kind of bank card business dealing processing method, bank card and bank server - Google Patents
A kind of bank card business dealing processing method, bank card and bank server Download PDFInfo
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- CN108229966A CN108229966A CN201810075815.4A CN201810075815A CN108229966A CN 108229966 A CN108229966 A CN 108229966A CN 201810075815 A CN201810075815 A CN 201810075815A CN 108229966 A CN108229966 A CN 108229966A
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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
- G06Q20/38—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
- G06Q20/401—Transaction verification
- G06Q20/4018—Transaction verification using the card verification value [CVV] associated with the card
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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
- G06Q20/38—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
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Abstract
The embodiment of the present invention discloses a kind of bank card business dealing processing method, bank card and bank server, is related to electronic banking field, to improve the safety that bank card uses.This method includes：Bank card obtains the safety code of random seed, bank's card number and bank's card number；Wherein described random seed is used to initialize bank's card number and the binding relationship of user information；The bank card is encrypted calculating to the random seed, bank's card number and the safety code and generates Quick Response Code；The bank card shows the Quick Response Code；Quick Response Code described in client scan obtains the informative abstract of the Quick Response Code, and the informative abstract of the Quick Response Code is sent to bank server；If the corresponding user of bank's card number of the message digest matches of the Quick Response Code by the message digest matches of the Quick Response Code to the informative abstract to prestore, is determined as validated user by the bank server.
Description
Technical field
The embodiment of the present invention is related to field of information processing more particularly to a kind of bank card payment processing method, bank card
And bank server.
Background technology
At present, bank card generally use magnetic strip or chip type, such as：Deposit card, credit card etc..This bank card
Signature, bank's card number and all plaintexts of safety code are directly illustrated in bank card in appearance, are easily stolen, forge, make
Into the monetary losses of user, therefore, there are problems for the safety that current bank card uses.In addition, existing bank card is necessary
It is inconvenient for use by POS (point of sale, point of sale) machine ability bankcard consumption.
Invention content
The embodiment of the present invention provides a kind of bank card payment processing method, bank card and bank server, to improve silver
The safety that row card uses.
In a first aspect, a kind of bank card business dealing processing method, including：
Bank card obtains the safety code of random seed, bank's card number and bank's card number；Wherein described random seed
For initializing the binding relationship of bank's card number and user information；
The bank card is encrypted calculating to the random seed, bank's card number and the safety code and generates
Quick Response Code；
The bank card shows the Quick Response Code；
Quick Response Code described in client scan obtains the informative abstract of the Quick Response Code, and the information of the Quick Response Code is plucked
It is sent to bank server；
If the bank server is by the message digest matches of the Quick Response Code to the informative abstract to prestore, by described two
The corresponding user of bank's card number for tieing up the message digest matches of code is determined as validated user.
Second aspect provides a kind of bank card, including：
Acquisition module, for obtaining the safety code of random seed, bank's card number and bank's card number；It is wherein described with
Machine is used to initialize bank's card number and the binding relationship of user information；
Processing module, for obtaining the random seed, bank's card number and the safety to the acquisition module
Code is encrypted calculating and generates Quick Response Code；
Display module, for showing the Quick Response Code of the processing module generation.
The third aspect, a kind of bank server, including：
Acquisition module, for receiving the informative abstract of the Quick Response Code of client transmission, wherein the client is used to scan
The Quick Response Code of bank card generation generates the informative abstract of the Quick Response Code；
Processing module, if for by the message digest matches of the Quick Response Code that the acquisition module obtains to the letter to prestore
Breath abstract, then be determined as validated user by the corresponding user of bank's card number of the message digest matches of the Quick Response Code.
In said program, bank card can obtain the safety code of random seed, bank's card number and bank's card number；
Wherein random seed is used to initialize bank's card number and the binding relationship of user information；Then, to random seed, bank's card number with
And safety code is encrypted calculating and generates Quick Response Code；And two-dimensional code display；Client obtains Quick Response Code after scanning the two-dimensional code
Informative abstract, and the informative abstract of Quick Response Code is sent to bank server；If bank server plucks the information of Quick Response Code
The informative abstract to prestore is matched, then it is legal to be determined as the corresponding user of bank's card number of the message digest matches of Quick Response Code
In this way before determining user for validated user, externally bank card is not shown in entire process of exchange with clear-text way by user
Number and the information such as safety code, improve the safety that bank card uses, handed over additionally due to can directly scan the two-dimensional code
Easily, the convenience of transaction is improved.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 provides a kind of application scenarios schematic diagram for the embodiment of the present invention；
Fig. 2 is the flow chart that a kind of bank card business dealing provided in an embodiment of the present invention handles method；
Fig. 3 is a kind of schematic diagram of Quick Response Code provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram of bank card provided in an embodiment of the present invention；
Fig. 5 is a kind of structure diagram of bank server provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Technical term of the present invention is described as follows first：
Electronic ink screen：Electronic ink screen is the screen using electric ink.Electronic ink screen is otherwise known as Electronic Paper
Display technology.
Quick Response Code：Another dimension is expanded on the basis of one-dimensional bar code with readable bar code, uses black and white rectangle
Pattern represents binary data, its information included can be obtained after device scan.
In plain text：Refer to that sender wants the readable information of recipient's acquisition in plain text.
Encryption：Encryption is that cleartext information is changed into the rice that is difficult to read for content, is allowed to unreadable.Only possess decryption
Ciphertext via decrypting process, could be reduced to normal readable content by the object of method.
Pseudo noise code：Structure can predefine, and repeat and generate and replicate, have certain random sequence stochastic behaviour
Sequence code.
Random seed：By the true random number as primary condition.
TOTP algorithms：Whole process is " Time-Based One-Time Password Algorithm ", when being that one kind is based on
Between the disposal password production algorithm that counts, detailed algorithm introduction can check RFC 6238.Usually, made in TOTP
Time difference is all the timestamp of current time, and TOTP is by time difference divided by time window (cryptographic validity is given tacit consent to 30 seconds)
Time window counting is obtained, in this, as the shifter factor of dynamic password algorithm, can easily thus be obtained time-based
Dynamic password.
Bank card business dealing processing method is described in detail with reference to specific embodiment.With reference to shown in Fig. 1, the present invention
Embodiment be applied to following scene：Including bank card 11, client 12 and bank server 13, wherein client 12 can be with
For support two-dimensional code scanning arbitrary equipment, such as：Pad, mobile phone, there is the machine etc. that settles accounts of barcode scanning.
Specifically with reference to shown in Fig. 2, the embodiment of the present invention provides a kind of bank card business dealing processing method, including：
S101, bank card obtain the safety code of random seed, bank's card number and bank's card number.
Wherein random seed is used to initialize bank's card number and the binding relationship of user information.Usually sold in bank counter
During this bank card, bank's card number of the card and user information binding are established into one-to-one correspondence on bank server,
And it is initialized using unique initial seed；Wherein the initial seed is a kind of pseudo noise code.This bank is sold in sales counter
During card, the seed file of a initial seed is stored in the inside of bank card, this part of seed file is in bank service
Duplicate portion is preserved in device, so for bank card, this mode is shared key (share secret).This
Outside, it sells this bank card the safety code of bank's card number and bank's card number is stored in bank card from being handed in this way
Yi Shi, bank card can read the safety code of bank's card number and bank's card number in self EMS memory.
S102, bank card are encrypted calculating to random seed, bank's card number and safety code and generate Quick Response Code.
Illustratively, S102 be specially bank card using Encryption Algorithm to random seed, bank's card number and safety code into
Row computations generate scheduled informative abstract；Scheduled informative abstract is converted into Quick Response Code.Such as Encryption Algorithm can adopt
Use TOTP.To realize the bank card of dynamic password, bank card can also obtain current time, and according to current time generated time
The factor；Wherein current time can be the count value of the counter built in bank card.Then S102 is specially：Bank card is to machine
Son, bank's card number, safety code and time factor are encrypted calculating and generate Quick Response Code.
Illustratively：
User information：Li Lei
Bank's card number：4563515000010124478
Safety code：111
Initial seed：128 bit sequences (binary system) are with hexadecimal representation：
01234567h 0123456Ah 0123456Bh 0123456Fh
Time factor：20180110211532 (assuming that current time 15 is divided 32 seconds when being 201,8/1,/10 21)
When user begins to use this bank card, bank card uses HMAC (keyed-Hash Message
Authentication Code, keyed hash message authentication code) operation, using 256 algorithm of Hash, to bank's card number+safety code
The character string of splicing：4563515000010124478111 and initial seed：01234567h 0123456Ah 0123456Bh
0123456Fh and time factor：201 80110211532 are encrypted calculating as input, produce an informative abstract and make
For output：5955D89FDF419F686FF9685D47989E731D426B01D836BE9A12239A3F3CB1090A.Finally,
Informative abstract is converted into Quick Response Code, it is illustrative as shown in Figure 3.
S103, bank card two-dimensional code display.
Wherein bank card may be used display device and show the Quick Response Code, since bank card is a kind of portable unit,
It can be shown by electronic ink screen.
S104, client scan Quick Response Code obtain the informative abstract of Quick Response Code, and the informative abstract of Quick Response Code are sent to
Bank server.
If S105, bank server by the message digest matches of Quick Response Code to the informative abstract to prestore, by Quick Response Code
The corresponding user of bank's card number of message digest matches is determined as validated user.
Specifically, when the bank card is sold, bank server prestored the random seed of the bank card, bank's card number with
And the safety code of bank's card number；To be matched to the informative abstract of Quick Response Code received in step S104, bank server is also
For the informative abstract for calculating generation and prestoring to be encrypted according to random seed, bank's card number and safety code.It is certainly contemplated that it arrives
The informative abstract of Quick Response Code may be dynamic password, and bank server is additionally operable to obtain current time, and give birth to according to current time
Into time factor；Wherein current time can be that the count value of the counter built in bank server or networking obtain.Bank
The informative abstract for calculating generation and prestoring is encrypted according to random seed, bank's card number, safety code and time factor for server.
Wherein the process is similar with the process of the scheduled informative abstract of 102 bank card of above-mentioned steps generation, and details are not described herein again.
Certainly, if due to communication failure or other fortuitous events between bank server and bank card, both sides is caused to count
When the count value of device is asynchronous, the time factor that may result between bank server and bank card creates a difference, so as to lead
Cause informative abstract that can not match.To connect the certainly problem, bank server verification Quick Response Code message digest matches less than prestoring
Informative abstract when, can attempt to calculate all informative abstracts of the time factor of (such as 10s) in the range of the predetermined time nearby.
It if, still can be by verification and rear at this point, be present in the consistent informative abstract of informative abstract of the Quick Response Code of client upload
The bank server of platform resets the landing time that bank's card number corresponds to user.
Continuation payment flow or querying flow, such as the bank server in querying flow can be entered after S105
It can be according to the inquiry request of client, to client feedback bank card account number, the account balance etc. of safety code bank's card number
Etc. information；Certainly, it in payment flow, also needs to verify the password that client inputs if user setting password, if
Exempt from close payment for small amount then directly to be paid.Specifically, the present invention is not related to specifically pay and the improvement of querying flow, no
It repeats again.
In said program, bank card can obtain the safety code of random seed, bank's card number and bank's card number；
Wherein random seed is used to initialize bank's card number and the binding relationship of user information；Then, to random seed, bank's card number with
And safety code is encrypted calculating and generates Quick Response Code；And two-dimensional code display；Client obtains Quick Response Code after scanning the two-dimensional code
Informative abstract, and the informative abstract of Quick Response Code is sent to bank server；If bank server plucks the information of Quick Response Code
The informative abstract to prestore is matched, then it is legal to be determined as the corresponding user of bank's card number of the message digest matches of Quick Response Code
In this way before determining user for validated user, externally bank card is not shown in entire process of exchange with clear-text way by user
Number and the information such as safety code, improve the safety that bank card uses, handed over additionally due to can directly scan the two-dimensional code
Easily, the convenience of transaction is improved.
As shown in figure 4, the embodiment of the present invention provides a kind of bank card, for implementing above-mentioned embodiment of the method, including：
Acquisition module 41, for obtaining the safety code of random seed, bank's card number and bank's card number；It is wherein described
Random seed is used to initialize bank's card number and the binding relationship of user information；
Processing module 42, for obtaining the random seed, bank's card number and described to the acquisition module 41
Safety code is encrypted calculating and generates Quick Response Code；
Display module 43, for showing the Quick Response Code of the processing module generation.
In a kind of illustrative scheme, acquisition module 41 is additionally operable to obtain current time；The processing module 42 is also used
In the current time generated time factor obtained according to the acquisition module 41；The processing module 42 is specifically used for institute
Random seed, bank's card number, the safety code and the time factor is stated calculating is encrypted and generates Quick Response Code.
In a kind of illustrative scheme, the processing module 42 includes：
Submodule 421 is encrypted, for using Encryption Algorithm to the random seed, bank's card number and the safety
Code is encrypted calculating and generates scheduled informative abstract；
Quick Response Code converts submodule 422, and the scheduled informative abstract for the encryption submodule 421 to be generated turns
Turn to Quick Response Code.
Since the device in the embodiment of the present application can be applied to above method embodiment, it can be obtained skill
Art effect also can refer to above method embodiment, and details are not described herein for the embodiment of the present application.
It should be noted that acquisition module 41 and processing module 42 can be the processor individually set up, can also integrate
It is realized in some processor of controller, in addition it is also possible to be stored in the memory of controller in the form of program code
In, it is called by some processor of controller and performs the function of more than each unit.Processor described here can be one
A central processing unit (Central Processing Unit, CPU) or specific integrated circuit (Application
Specific Integrated Circuit, ASIC) or be arranged to implement the embodiment of the present application one or more
Integrated circuit.Electronic ink screen etc., which may be used, in display module 43 has the device of display function.
It should be understood that in the various embodiments of the application, the size of the serial number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should be determined with its function and internal logic, without the implementation of reply the embodiment of the present application
Process forms any restriction.
In addition, a kind of calculating readable media (or medium) is also provided, including carrying out in above-described embodiment when executed
The computer-readable instruction of the operation for the method that bank card is implemented.
In addition, a kind of computer program product is also provided, including above computer readable media (or medium).
As shown in figure 5, the embodiment of the present invention provides a kind of bank server, for implementing above-mentioned embodiment of the method,
Including：
Acquisition module 51, for receiving the informative abstract of the Quick Response Code of client transmission, wherein the client is used to sweep
The Quick Response Code for retouching bank card generation generates the informative abstract of the Quick Response Code；
Processing module 52, if for by the message digest matches of the Quick Response Code that acquisition module 51 obtains to the letter to prestore
Breath abstract, then be determined as validated user by the corresponding user of bank's card number of the message digest matches of the Quick Response Code.
In a kind of illustrative scheme, bank server prestores random seed, bank's card number and bank card
Number safety code；The processing module 42 be additionally operable to according to the random seed, bank's card number and the safety code into
The informative abstract to prestore described in the generation of row computations.
In a kind of illustrative scheme, the acquisition module 41 is additionally operable to obtain the current time；The processing mould
Block 42 is additionally operable to according to the current time generated time factor；The processing module be specifically used for according to the random seed,
The informative abstract for calculating and prestoring described in generation is encrypted in bank's card number, the safety code and the time factor.
Since the device in the embodiment of the present application can be applied to above method embodiment, it can be obtained skill
Art effect also can refer to above method embodiment, and details are not described herein for the embodiment of the present application.
It should be noted that acquisition module 51 and processing module 52 can be the processor individually set up, can also integrate
It is realized in some processor of controller, in addition it is also possible to be stored in the memory of controller in the form of program code
In, it is called by some processor of controller and performs the function of more than each unit.Processor described here can be one
A central processing unit (Central Processing Unit, CPU) or specific integrated circuit (Application
Specific Integrated Circuit, ASIC) or be arranged to implement the embodiment of the present application one or more
Integrated circuit.
It should be understood that in the various embodiments of the application, the size of the serial number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should be determined with its function and internal logic, without the implementation of reply the embodiment of the present application
Process forms any restriction.
In addition, a kind of calculating readable media (or medium) is also provided, including carrying out in above-described embodiment when executed
The computer-readable instruction of the operation for the method that bank server is implemented.
In addition, a kind of computer program product is also provided, including above computer readable media (or medium).
Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are only schematical, for example, the unit
It divides, only a kind of division of logic function can have other dividing mode, such as multiple units or component in actual implementation
It may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is independent product sale or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words
The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be
People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention.
And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (English full name:Read-only memory, English letter
Claim：ROM), random access memory (English full name：Random access memory, English abbreviation：RAM), magnetic disc or light
The various media that can store program code such as disk.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (11)
1. a kind of bank card business dealing handles method, which is characterized in that including：
Bank card obtains the safety code of random seed, bank's card number and bank's card number；Wherein described random seed is used for
Initialize bank's card number and the binding relationship of user information；
The bank card is encrypted calculating to the random seed, bank's card number and the safety code and generates two dimension
Code；
The bank card shows the Quick Response Code；
Quick Response Code described in client scan obtains the informative abstract of the Quick Response Code, and the informative abstract of the Quick Response Code is sent out
It send to bank server；
If the bank server is by the message digest matches of the Quick Response Code to the informative abstract to prestore, by the Quick Response Code
The corresponding users of bank's card number of message digest matches be determined as validated user.
2. according to the method described in claim 1, it is characterized in that, the bank card be additionally operable to obtain current time, and according to
The current time generated time factor；
The bank card is encrypted calculating to the random seed, bank's card number and the safety code and generates two dimension
Code, including：The bank card carries out the random seed, bank's card number, the safety code and the time factor
Computations simultaneously generate Quick Response Code.
3. according to the method described in claim 1, it is characterized in that, the bank card is to the random seed, the bank card
Number and the safety code calculating is encrypted and generates Quick Response Code, including：
Meter is encrypted to the random seed, bank's card number and the safety code using Encryption Algorithm in the bank card
It calculates and generates scheduled informative abstract；
The scheduled informative abstract is converted into Quick Response Code.
4. according to the method described in claim 1, it is characterized in that, the bank server prestores the random seed, institute
State the safety code of bank's card number and bank's card number；
The bank server is additionally operable to that meter is encrypted according to the random seed, bank's card number and the safety code
Calculate the informative abstract to prestore described in generation.
5. according to the method described in claim 4, it is characterized in that, when the bank server is additionally operable to obtain described current
Between, and according to the current time generated time factor；
The bank server according to the random seed, bank's card number, the safety code and the time factor into
The informative abstract to prestore described in the generation of row computations.
6. a kind of bank card, which is characterized in that including：
Acquisition module, for obtaining the safety code of random seed, bank's card number and bank's card number；It is random kind wherein described
Son is used to initialize bank's card number and the binding relationship of user information；
Processing module, for the acquisition module is obtained the random seed, bank's card number and the safety code into
Row computations simultaneously generate Quick Response Code；
Display module, for showing the Quick Response Code of the processing module generation.
7. bank card according to claim 6, which is characterized in that the acquisition module is additionally operable to obtain current time；
The processing module is additionally operable to the current time generated time factor obtained according to the acquisition module；
The processing module be specifically used for the random seed, bank's card number, the safety code and the time because
Son is encrypted calculating and generates Quick Response Code.
8. bank card according to claim 6, which is characterized in that the processing module includes：
Submodule is encrypted, for being carried out using Encryption Algorithm to the random seed, bank's card number and the safety code
Computations generate scheduled informative abstract；
Quick Response Code converts submodule, for the scheduled informative abstract of the encryption submodule generation to be converted into two dimension
Code.
9. a kind of bank server, which is characterized in that including：
Acquisition module, for receiving the informative abstract of the Quick Response Code of client transmission, wherein the client is used to scan bank
The Quick Response Code of card generation generates the informative abstract of the Quick Response Code；
Processing module, if for the message digest matches of the Quick Response Code that the acquisition module obtains to be plucked to the information to prestore
Will, then the corresponding user of bank's card number of the message digest matches of the Quick Response Code is determined as validated user.
10. bank server according to claim 9, which is characterized in that the bank server prestores described random
The safety code of seed, bank's card number and bank's card number；
The processing module is additionally operable to that calculating is encrypted according to the random seed, bank's card number and the safety code
The informative abstract to prestore described in generation.
11. bank server according to claim 10, which is characterized in that the acquisition module is additionally operable to obtain described work as
The preceding time；
The processing module is additionally operable to according to the current time generated time factor；
The processing module was specifically used for according to the random seed, bank's card number, the safety code and the time
The informative abstract for calculating and prestoring described in generation is encrypted in the factor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810075815.4A CN108229966A (en) | 2018-01-26 | 2018-01-26 | A kind of bank card business dealing processing method, bank card and bank server |
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| CN201810075815.4A CN108229966A (en) | 2018-01-26 | 2018-01-26 | A kind of bank card business dealing processing method, bank card and bank server |
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| CN109102381A (en) * | 2018-07-17 | 2018-12-28 | 中国银行股份有限公司 | Accounting processing method and device |
| CN109167666A (en) * | 2018-08-31 | 2019-01-08 | 深圳众赢维融科技有限公司 | Identifying code generation, decryption, method of mobile payment and device |
| CN110046532A (en) * | 2019-04-25 | 2019-07-23 | 深圳左邻永佳科技有限公司 | All-purpose card two dimensional code generates and read method |
| CN113257433A (en) * | 2021-05-17 | 2021-08-13 | 中国人民大学 | System and method for quickly identifying close contacts based on data mining technology |
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