CN103188079A - Dynamic safety code authentication method and intelligent card device thereof - Google Patents
Dynamic safety code authentication method and intelligent card device thereof Download PDFInfo
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- CN103188079A CN103188079A CN 201110451971 CN201110451971A CN103188079A CN 103188079 A CN103188079 A CN 103188079A CN 201110451971 CN201110451971 CN 201110451971 CN 201110451971 A CN201110451971 A CN 201110451971A CN 103188079 A CN103188079 A CN 103188079A
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Abstract
The invention discloses a dynamic safety code authentication method and an intelligent card device of the dynamic safety code authentication method. The dynamic safety code authentication method includes the following steps: using dynamic numeral value additional calculation to produce a dynamic safety code at an authentication end, approving and issuing the intelligent card device capable of generating the same dynamic safety code for customers, when the customers need to authenticate the safety code during shopping, calculating the generated dynamic safety code through a start button which drives the intelligent card device, displaying the calculated dynamic safety code on a display screen of the intelligent card device, providing the customers with the dynamic safety code capable of being calculated with the authentication end through a telephone or a network during entity shopping or online shopping to confirm that the customers are card holders. The dynamic safety code authentication method and the intelligent card device of the dynamic safety code authentication method can enable the safety code to be changed from a fixed value to a dynamic value which is displayed in a dynamic mode whenever the customers authenticate, enable the dynamic safety code generated from drive calculations of each consumption behavior to be different due to dynamic numeral value addition, prevent consumer benefits from being damaged due to the fact that a credit card is stolen easily and misused or swiped in an unauthorized mode and effectively improve safety of usage of the credit card.
Description
Technical field
The present invention relates to a kind of dynamic security code authentication method and smart card apparatus thereof, mainly be to utilize the additional calculation of dynamic value can produce a dynamic security sign indicating number in the authentication end, and authorize the smart card apparatus that can produce identical dynamic security sign indicating number to consumer one, in the time of when consumer spending, need carrying out the safety code authentication, via driving the dynamic security sign indicating number that the smart card apparatus calculation produces, check with the dynamic security sign indicating number of authentication end calculation, driving the dynamic security sign indicating number that calculation produces each consumer behavior authentication end and consumer can be additional and different because of dynamic value, to avoid credit card information to be stolen improper utilization or to steal brush harm consumer's interests, effectively improve the fail safe that the consumer uses credit card.
Background technology
Sales slip is one of consumption pattern of the frequent use of shopping way now at present, because have the reason of convenience concurrently, no matter in entity passageway or shopping at network, also often used by the consumer, but its fail safe of sales slip is the problem that consumer or bank are quite taken notice of, situation for fear of swindle and stolen brush jeopardizes the rights and interests of consumer own, is the important procedure of the status of necessity affirmation now so carry out safety certification when sales slip.
Carrying out safety certification during sales slip now mainly is by (the Card Verification Value 2 of card authentication value above the credit card, CVV2) or identification number (Card Identification Number, CIN) carry out safety certification, or for example CVC2, CVN2 also are wherein a kind of means of calculating out authentication value or identification number of encrypting of safety certification, look the employed mode difference of each tame bank and difference to some extent.When the consumer utilizes credit card to consume, for preventing that the situation of swindling and steal brush from taking place, bank's end is when the consumer spending amount of money surpasses bank's predetermined set value, can utilize phone and consumer to confirm whether to carry out this consumption, and the affirmation mode mainly is to learn the card authentication value of credit card from phone, check the consumer and whether safeguard consumers' rights and interests for the credit card card holder, and on the grid line shopping also gradually when the consumer Enters Your Credit Card Information in the lump the input card authentication value carry out safety certification, take place with the situation that reduces swindle and steal brush.
Because the different algorithms that the card authentication value on every credit card is all adopted by each tame bank and consumer's personal data add calculation and learn, so the card authentication value that calculates out on every credit card all is not quite similar, so bank is at phone or network carries out checking simultaneously personal data and the card authentication value confirms whether the consumer is the card holder, increase the fail safe of credit card trade.
Above-mentioned card authentication value (CVV2) or identification number (CIN) mainly be utilize card holder's personal data and bank data by but an algorithm perform calculations and obtain a fixed value (being generally 3 groups of digital codes), for convenient consumer authentication mostly with the mode of printing annotation in back of credit cards, if in case credit card is stolen or side record and criminal group when learning data on the credit card and card authentication value, criminal group namely can be used to forged credit card or steals brush, and when the situation of being stolen brush takes place, present correct information when authenticating in bank because of the card authentication value, bank also was not easy to discover in the very first time, also can judge it is correct transaction, causing on the contrary originally provides the card authentication value of transaction security or identification number to become the transaction leak, also allow the crime dramas of stealing the brush credit card go out not poor repeatly, also jeopardize consumers' rights and interests again and again, and whether difficult proof suffers to steal brush and change data, the real situation that hates the sight of for the consumer, thus this problem forms the important disappearance that a utmost point need solve in industrial circle or practical application always and waits improvement.
Mainly be because above-mentioned card authentication value or identification number calculate out when authorizing credit card because of bank and annotation on credit card, and the card authentication value so to produce the back be fixed form because of algorithm and the constant card authentication value that obtains of data, and the active card authentication value is once can't arbitrarily change after producing, so card number and card authentication value are all utilized by criminal group easily after credit card is stolen, can produce the infringement that can not expect to the consumer, also be one of important topic of the anxious desire solution of present industrial circle.
Summary of the invention
Main purpose of the present invention provides a kind of dynamic security code authentication method and smart card apparatus thereof, main authentication end default storage has bist data, algorithm and a dynamic value, and in the smart card apparatus of authorizing to the consumer, set up data, algorithm and a dynamic value are written into smart card apparatus, make the authentication end will have identical algorithm with the inside, smart card apparatus two ends that the consumer uses, data and dynamic value, when consumer spending needs the dynamic security sign indicating number to authenticate, via driving the dynamic security sign indicating number that the smart card apparatus calculation produces, check with the dynamic security sign indicating number of authentication end calculation, driving the dynamic security sign indicating number that calculation produces each consumer behavior authentication end and consumer can be additional and different because of dynamic value, can avoid credit card to be stolen after stolen brush and contingency question easily.
Secondary objective of the present invention provides a kind of dynamic security code authentication method and smart card apparatus thereof, mainly be to utilize a display screen and a start button are set on the smart card apparatus, when consumer's desire is carried out the safety code authentication with the authentication end, smart card is dynamically calculated and then produce a dynamic security sign indicating number by the started by press button and be shown on the display screen, providing the consumer can carry out the dynamic security code authentication with the authentication end by phone or network in the shopping of entity or line is the card holder in order to the affirmation consumer, make that the safety code of the required checking of each consumption all is dynamic-form, ensure that effectively the consumer uses the fail safe person of credit card.
For reaching above-mentioned purpose, and dynamic security code authentication method of the present invention mainly is to comprise the following step:
(a) authentication end gauage model storage data, algorithm and at least one dynamic data, and when the smart card making is authorized, above-mentioned data, algorithm and dynamic data are loaded in the smart card CPU in advance.
The authentication end required the dynamic security sign indicating number to authenticate when (b) user consumed, and the user drives the dynamic security sign indicating number by start button and performs calculations.
(c) in the CPU dynamic data is performed calculations with the data of default storage and the algorithm identical with the authentication end as additional parameter in the smart card.
(d) will calculate the dynamic security sign indicating number that the back produces and be shown on the display screen of smart card, the user repays the dynamic security sign indicating number and finishes authentication procedure with the authentication end.
The above-mentioned smart card apparatus that utilizes the dynamic security sign indicating number to authenticate mainly includes:
One card body;
One CPU (MCU) is located in the card body, is responsible for the main circuit that storage data is provided and performs calculations;
At least one start button is to store to be arranged at above-mentioned card body surface, as driving the moving usefulness of calculation dynamic security sign indicating number;
And a display screen is the surface that is arranged at above-mentioned card body, is connected with above-mentioned CPU, and user's dynamic security sign indicating number information judging is provided.
In a preferred embodiment, the default storage data are at least one dynamic data in this CPU, the parameter of adding when calculating as the dynamic security sign indicating number.
In a possible embodiments, the interior default storage data of this CPU are at least one to be user's data and bank data.
In one embodiment, the algorithm of default storage is the algorithm identical with the authentication end in this CPU.
In a desirable embodiment, this dynamic data be a time parameter or accumulative total parameter one of them.
Dynamic security code authentication method of the present invention and smart card apparatus thereof, mainly be to utilize the additional calculation of dynamic value can produce a dynamic security sign indicating number in the authentication end, and authorize the smart card apparatus that can produce identical dynamic security sign indicating number to consumer one, and a display screen and a start button are set on the smart card apparatus, when consumer's desire is carried out the safety code authentication with the authentication end, make smart card apparatus inside with bist data by the started by press button, algorithm and dynamic value perform calculations, dynamic security sign indicating number after calculation is shown on the display screen, hold built-in algorithm and the data of holding with the consumer of smart card apparatus because of authentication, dynamic value is all identical, resulting dynamic security sign indicating number is checked with the dynamic security sign indicating number of authentication end calculation, driving dynamic security sign indicating number that calculation produces each consumer behavior authentication end and consumer can be different because of dynamic value append mode and numerical value change, to replace the safety code that existing fixed form produces, avoid credit card information to be stolen improper utilization or robber's brush harm consumer's interests, so effectively improve the fail safe that the consumer uses credit card, and can reduce the follow-up law of deriving and the problem of changing credit card, to guarantee consumers' rights and interests.
For making your juror can understand technology contents of the present invention, and the effect that can reach, cooperate now graphic enumerate all preferred embodiments describe in detail as after.
Description of drawings
Fig. 1 is that the authentication end is held the schematic diagram of authentication relationship with the consumer;
Fig. 2 is the circuit configuration schematic diagram of smart card of the present invention;
Fig. 3 is the schematic diagram of CPU internal circuit;
Fig. 4 is that the consumer drives the schematic diagram of desiring to obtain the dynamic security sign indicating number;
Fig. 5 is the step schematic diagram of dynamic security code authentication method of the present invention;
Fig. 6 is the schematic diagram of dynamic security code authentication process of the present invention.
Description of reference numerals: 1-card body; The 2-CPU; The 21-dynamic data; The 22-data; The 23-algorithm; The 3-start button; The 4-display screen; 5-magnetic bar code.
Embodiment
Your juror can further to structure of the present invention, use and feature thereof darker one deck be arranged for ease of, clear and definite, full and accurate understanding and understanding, the inventor enumerates preferred embodiment, cooperates graphic being described in detail as follows:
Please join shown in Figure 1, dynamic security code authentication method of the present invention and smart card apparatus thereof, mainly be to utilize the additional calculation of dynamic value can produce a dynamic security sign indicating number at the authentication end, and authorize the smart card apparatus that can produce identical dynamic security sign indicating number to consumer one, and a display screen and a start button are set on the smart card apparatus, when consumer's desire is carried out the safety code authentication with the authentication end, make smart card apparatus inside with bist data by the started by press button, algorithm and dynamic value perform calculations, dynamic security sign indicating number after calculation is shown on the display screen, hold built-in algorithm and the data of holding with the consumer of smart card apparatus because of authentication, dynamic value is all identical, resulting dynamic security sign indicating number is checked with the dynamic security sign indicating number of authentication end calculation, driving dynamic security sign indicating number that calculation produces each consumer behavior authentication end and consumer can be different because of dynamic value append mode and numerical value change, to replace the safety code that existing fixed form produces.
The present invention is with at least one user's data (id number or birthday data etc.), authentication end (bank) in the bank data default storage, and the unanimity as a result for the calculation back is produced, so also can design a kind of algorithm in the authentication end (bank), and carry out safety certification in order to produce the dynamic security sign indicating number, the variation that the safety code that affix one dynamic data makes each calculation obtain when authentication end (bank) can produce the dynamic security sign indicating number at every turn produces dynamic, and authorize the smart card apparatus that can produce identical dynamic security sign indicating number to consumer one, guarantee to calculate back institute's dynamic security sign indicating number that produces and hold (bank) to result in consistent with checking with authenticating.
To shown in Figure 4, smart card apparatus of the present invention mainly includes as Fig. 2:
One card body 1;
One CPU (MCU) 2 is located in the card body 1, is responsible for the main circuit that storage data is provided and performs calculations;
At least one start button 3 is to be arranged at above-mentioned card body 1 surface, as the usefulness that drives calculation dynamic security sign indicating number;
And a display screen 4 is the surfaces that are arranged at above-mentioned card body 1, is connected with above-mentioned CPU 2, and user's dynamic security sign indicating number information judging is provided.
In a preferred embodiment, default at least one dynamic data 21 in this CPU 2, the parameter of adding when calculating as the dynamic security sign indicating number.
In a possible embodiments, in this CPU 2 default storage data 22 at least one be user's data or bank data.
In one embodiment, the algorithm 23 of default storage is the algorithm 23 identical with the authentication end in this CPU 2.
In a desirable embodiment, this dynamic data 21 be a time parameter or accumulative total parameter one of them.
In another embodiment, this card body 1 is to possess a magnetic bar code 5, for machine for punching the card Magnetic Induction internal data person.
Shown in diagram, authentication end authorize make smart card apparatus with data default storage CPU 2 such as data (consumer's id number or birthday data etc.) or banks in, and the unanimity as a result for the calculation back is produced, so also can be built-in in the CPU 2 at least a algorithm 23 identical with authentication end (bank) is to guarantee the smart card calculation back institute dynamic security sign indicating number that produced and to authenticate that to hold (or bank holds) to result in consistent with checking.
Moreover, the dynamic data 21 of default storage in CPU 2, when each calculation, can add the parameter of adding when calculate as the dynamic security sign indicating number, so when the consumer performs calculations by start button 3 driving dynamic security sign indicating numbers at every turn, because of the above-mentioned data 22 (user's data, bank data) in the CPU 2 and all identical with algorithm 23 that store in advance, add the variation of the safety code generation dynamic that the 21 feasible each calculations of additional dynamic data obtain, provide authentication to hold and consume and the status authentication.
Above-mentioned dynamic data 21 can be a time parameter or accumulative total parameter one of them.The dynamic value of time parameter can (be example with 24 hours integral points: 12, numerical value such as 13,14) as additional parameter with the present time for example, when calculation, be written in the lump with data 22 and perform calculations, and when the consumer desire to consume and need with authentication end (bank) when authenticating, authentication end and consumer (are example with the 12 noon at the identical time both sides dynamic security sign indicating number that performs calculations, dynamic data 21 its numerical value are 12) because the dynamic data that is added 21 its numerical value all are that 12 its resulting dynamic security sign indicating numbers can be identical.
And the accumulative total parameter is the numerical value of a progression formula, start each time and add one automatically, numerical value is 01 when namely starting for the first time, numerical value is 02 by that analogy when starting for the second time, so when the consumer desire to consume and need with authentication end (bank) when authenticating, authentication end and affirmation consumer accumulative total parameter last time, and be dynamic data with the accumulative total parameter of next time, being informed according to the consumer by authentication end after the consumer performs calculations the dynamic security sign indicating number or importing to confirm (is example with startup for the third time, dynamic data numerical value is 03), because the dynamic data numerical value that records in authentication end and the smart card is 03, resulting dynamic security sign indicating number can be identical.
Under average service conditions, above-mentioned accumulative total parameter may be made invalid accumulative total because consumer's false touch start button 3 causes its dynamic data 21, cause different with the dynamic data 21 that records because of the authentication end, cause resulting dynamic security sign indicating number difference, for example authenticating and holding its numerical value of dynamic data that records this is 05 o'clock, but because making this dynamic data numerical value, consumer's false touch start button adds up to 10, at this moment, the authentication end can be asked the consumer to connect and be pressed repeatedly start button 3 and obtain many group dynamic security sign indicating numbers, the authentication end can be repaid many group dynamic security sign indicating numbers according to the consumer and check and verify out accumulative total parameter next time, be that the recoverable consumer makes invalid accumulative total because false touch causes its dynamic data 21 thus, and upgrade the usefulness of authentication when totally the record of parameter was consumed as next time.
Please join shown in Fig. 5 and 6, dynamic security code authentication method of the present invention mainly is to comprise the following step:
(a) authentication end gauage model storage data, algorithm and at least one dynamic data, and when the smart card making is authorized, above-mentioned data, algorithm and dynamic data are loaded in the smart card CPU in advance.
The authentication end required the dynamic security sign indicating number to authenticate when (b) user consumed, and the user drives the dynamic security sign indicating number by start button and performs calculations.
(c) in the CPU dynamic data is performed calculations with the data of default storage and the algorithm identical with the authentication end as additional parameter in the smart card.
(d) will calculate the dynamic security sign indicating number that the back produces and be shown on the display screen of smart card, the user repays the dynamic security sign indicating number and finishes authentication procedure with the authentication end.
As described in step (a), authentication end gauage model storage data, algorithm and at least one dynamic data, and when the smart card making is authorized, above-mentioned data, algorithm and dynamic data are loaded in smart card CPU 2 in advance.The authentication end can first standard go out the data 22 that need store, algorithm 23 and a dynamic data 21, and be stored in the system of authentication end, and must be earlier with an above-mentioned dynamic data when smart card apparatus is authorized to the consumer, data (user or bank data) and when making, be loaded in advance in the CPU 2 with identical algorithm, as the foundation that produces the dynamic security sign indicating number, user's data (id number or birthday data etc.) in the above-mentioned default storage CPU 2, bank data is fixed numbers, and the unanimity as a result for the calculation back is produced, also can be built-in in the CPU 2 algorithm identical with authentication end (bank), with guarantee the smart card calculation back institute dynamic security sign indicating number that produced with authenticate hold result in consistent with checking.Moreover the dynamic data 21 of default storage in CPU 2 can add the parameter of adding when calculate as the dynamic security sign indicating number when each calculation.
And step (b) is described, and the authentication end required the dynamic security sign indicating number to authenticate when the user consumed, and the user drives the dynamic security sign indicating number by start button and performs calculations.When the consumer desire to consume and need with authentication end (bank) when authenticating, the authentication end can require the consumer that the dynamic security sign indicating number prompting message of data (in phone or the shopping at network input) is provided, and the consumer understood the started by press button CPU 2 performed calculations to produce the dynamic security sign indicating number in the intelligent cards to drive this moment.
And step (c) is described, in the CPU dynamic data is performed calculations with the data of default storage and the algorithm identical with the authentication end as additional parameter in the smart card.CPU 2 after the consumer understands started by press button 3 in this card body 1 is namely carried out dynamic security sign indicating number calculation program, mainly be that interior make data, the data that are built in CPU 2 are added additional dynamic data 21, and perform calculations with built-in algorithm, be built in this algorithm in the CPU 2, be set at identical algorithm with the authentication end.Above-mentioned dynamic data be a time parameter or accumulative total parameter one of them.Time parameter can (be example with 24 hours integral points: 12, numerical value such as 13,14) as additional parameter with the present time for example, and the accumulative total parameter is the numerical value of a progression formula, and be the cycling numerical value (for example 00 to 99 in the preset range, surpass 99 namely by 00 beginning restatement), numerical value is 01 when namely starting for the first time, and numerical value is 02 by that analogy when starting for the second time.Because the built-in calculation data (user's data, bank data, dynamic data and algorithm) of smart card are held the identical of (bank) record with authentication, so can obtain one group of dynamic security sign indicating number that comes to the same thing with the authentication end.
As described in step (d), the dynamic security sign indicating number that the calculation back is produced is shown on the display screen of smart card, and the user repays the dynamic security sign indicating number and finishes authentication procedure with the authentication end.
After CPU 2 calculations, the dynamic security sign indicating number can be shown on the display screen 4.This moment, the consumer can repay the dynamic security sign indicating number that is shown on the display screen 3 to authentication end (bank) as described in the step (d), perhaps was input into when shopping at network in the data of withholing for (bank) the follow-up affirmation of authentication end.
In sum, dynamic security code authentication method of the present invention and smart card apparatus thereof, mainly be to utilize the additional calculation of dynamic value can produce a dynamic security sign indicating number in the authentication end, and authorize the smart card apparatus that can produce identical dynamic security sign indicating number to consumer one, and a display screen and a start button are set on the smart card apparatus, when consumer's desire is carried out the safety code authentication with the authentication end, make smart card apparatus inside with bist data by the started by press button, algorithm and dynamic value perform calculations, dynamic security sign indicating number after calculation is shown on the display screen, hold built-in algorithm and the data of holding with the consumer of smart card apparatus because of authentication, dynamic value is all identical, resulting dynamic security sign indicating number is checked with the dynamic security sign indicating number of authentication end calculation, driving dynamic security sign indicating number that calculation produces each consumer behavior authentication end and consumer can be different because of dynamic value append mode and numerical value change, to replace the safety code that existing fixed form produces, be cracked easily after avoiding conventional fixed formula calculation sign indicating number and personal data to be stolen and obtain this card holder's safety code, so effectively improve the fail safe that the consumer uses credit card, and can reduce the follow-up law of deriving and the problem of changing credit card, to guarantee consumers' rights and interests.
The above person, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, namely the simple equivalent of doing according to the present patent application claim and description of the invention content generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (9)
1. a smart card apparatus is characterized in that, includes:
One card body;
One CPU is located in the described card body, is responsible for the main circuit that storage data is provided and performs calculations;
At least one start button is to be arranged at above-mentioned card body surface, as the usefulness that drives calculation dynamic security sign indicating number;
And a display screen is the surface that is arranged at above-mentioned card body, is connected with above-mentioned CPU, and user's dynamic security sign indicating number information judging is provided.
2. smart card apparatus according to claim 1 is characterized in that, default at least one dynamic data in this CPU, the parameter of adding when calculating as the dynamic security sign indicating number.
3. smart card apparatus according to claim 1 is characterized in that, the interior default storage data of this CPU are at least one to be user's data or bank data.
4. smart card apparatus according to claim 1 is characterized in that, the algorithm of default storage is the algorithm identical with the authentication end in this CPU.
5. smart card apparatus according to claim 1 is characterized in that, this dynamic data be a time parameter or accumulative total parameter one of them.
6. smart card apparatus according to claim 1 is characterized in that, this card body is to possess a magnetic bar code, for machine for punching the card Magnetic Induction internal data.
7. a dynamic security code authentication method is characterized in that, comprises the following step:
(a) authentication end gauage model storage data, algorithm and at least one dynamic data, and when the smart card making is authorized, above-mentioned data, algorithm and dynamic data are loaded in the smart card CPU in advance;
The authentication end required the dynamic security sign indicating number to authenticate when (b) user consumed, and the user drives the dynamic security sign indicating number by start button and performs calculations;
(c) in the CPU dynamic data is performed calculations with the data of default storage and the algorithm identical with the authentication end as additional parameter in the smart card;
(d) will calculate the dynamic security sign indicating number that the back produces and be shown on the display screen of smart card, the user repays the dynamic security sign indicating number and finishes authentication procedure with the authentication end.
8. dynamic security code authentication method according to claim 7 is characterized in that, this dynamic data is a time parameter.
9. dynamic security code authentication method according to claim 7 is characterized in that, this dynamic data is an accumulative total parameter.
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| CN 201110451971 CN103188079A (en) | 2011-12-29 | 2011-12-29 | Dynamic safety code authentication method and intelligent card device thereof |
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| CN 201110451971 CN103188079A (en) | 2011-12-29 | 2011-12-29 | Dynamic safety code authentication method and intelligent card device thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105528702A (en) * | 2014-09-30 | 2016-04-27 | 陈启洲 | Digital dynamic trackless security identity authentication method |
| CN106330891A (en) * | 2016-08-21 | 2017-01-11 | 上海林果实业股份有限公司 | Smart card, verification code verifying method and system |
| CN106663249A (en) * | 2014-07-29 | 2017-05-10 | 惠普发展公司，有限责任合伙企业 | Financial transaction medium |
| CN108053213A (en) * | 2017-12-29 | 2018-05-18 | 飞天诚信科技股份有限公司 | A kind of method and credit card of the enhancing without card payment transactions security |
| CN108134667A (en) * | 2017-11-15 | 2018-06-08 | 中国银联股份有限公司 | Generate method and apparatus, bank card and the authentication method of dynamic credit card security code |
| US11644732B2 (en) | 2014-01-31 | 2023-05-09 | Hewlett-Packard Development Company, L.P. | Display device |
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- 2011-12-29 CN CN 201110451971 patent/CN103188079A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11644732B2 (en) | 2014-01-31 | 2023-05-09 | Hewlett-Packard Development Company, L.P. | Display device |
| CN106663249A (en) * | 2014-07-29 | 2017-05-10 | 惠普发展公司，有限责任合伙企业 | Financial transaction medium |
| CN105528702A (en) * | 2014-09-30 | 2016-04-27 | 陈启洲 | Digital dynamic trackless security identity authentication method |
| CN106330891A (en) * | 2016-08-21 | 2017-01-11 | 上海林果实业股份有限公司 | Smart card, verification code verifying method and system |
| CN108134667A (en) * | 2017-11-15 | 2018-06-08 | 中国银联股份有限公司 | Generate method and apparatus, bank card and the authentication method of dynamic credit card security code |
| WO2019096021A1 (en) * | 2017-11-15 | 2019-05-23 | 中国银联股份有限公司 | Method and device for generating dynamic credit card security code, bank card, and authentication method |
| TWI696088B (en) * | 2017-11-15 | 2020-06-11 | 大陸商中國銀聯股份有限公司 | Method and equipment for generating dynamic credit card security code, bank card and authentication method |
| CN108134667B (en) * | 2017-11-15 | 2021-05-11 | 中国银联股份有限公司 | Method and equipment for generating dynamic credit card security code and bank card |
| CN108053213A (en) * | 2017-12-29 | 2018-05-18 | 飞天诚信科技股份有限公司 | A kind of method and credit card of the enhancing without card payment transactions security |
| CN108053213B (en) * | 2017-12-29 | 2019-04-12 | 飞天诚信科技股份有限公司 | A kind of method and credit card of the enhancing without card payment transactions safety |
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Application publication date: 20130703 |