CN102868527A - Dynamic password generation system and device - Google Patents
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Abstract
The invention provides a dynamic password generation system, which comprises a transaction terminal, an authentication server and a dynamic password generation device, wherein the transaction terminal comprises a first near field communication (NFC) module; the dynamic password generation device comprises a second NFC module; the transaction terminal receives transaction information which is input by a user, generates a transaction message, receives a challenge code of the authentication server and sends the challenge code to the dynamic password generation device through the first NFC module; the authentication server receives the transaction message of the transaction terminal and extracts key information in the transaction message as the challenge code; and the dynamic password generation device receives the challenge code which is sent by the first NFC module through the second NFC module, and generates a dynamic password after the user determines that the challenge code is correct. According to the dynamic password generation system, the challenge code is automatically transmitted to the dynamic password generation device in a wireless mode and is not required to be manually input by the user, input errors are reduced, and the dynamic password generation system can be conveniently used by the user. The invention also provides the dynamic password generation device.
Description
Technical field
The present invention relates to information security field, relate in particular to a kind of dynamic password generation system and device.
Background technology
In recent years, follow the fast development of the Internet and Financial Information, Web bank obtains rapidly the generally high praise of user and bank's industry with its facility, the advantage such as efficient.Bank and various electronic business web site have adopted dynamic password token or dynamic password card to come the fail safe of Strengthens network authentication in order to overcome the safety defect based on the authentication mode of static password mostly.
The dynamic password technology is called again one-time password (One Time Password, be called for short OTP) technology, the demonstration numeral that is characterized in the dynamic password token that the user provides according to service provider is inputted dynamic password, it is dynamic password, and the dynamic password technology is according to the difference of password generating mode, can be divided into time-based dynamic password technology and based on the dynamic password technology of challenging/replying.
Present most dynamic password token has adopted based on the dynamic password technology of challenging/replying.When adopting this technology, dynamic password generating device has identical key seed with server stores; Need to carry out the user when authenticating, server generates a challenge code for the user, after the user obtains challenge code, challenge code is inputted dynamic password generating device; Dynamic password generating device uses the challenge code of key seed and user's input to generate answer back code (being dynamic password), after the user is known current dynamic password by the display screen of dynamic password generating device, input this dynamic password at transaction terminal, transaction terminal sends to server with information such as this dynamic password and user name, static passwords and authenticates.
But when adopting based on the dynamic password technology challenging/reply, dynamic password token need to generate dynamic password according to challenge code, and need the user that challenge code is inputed in the dynamic password token, but because the figure place of challenge code is usually many, easy input error when the user inputs, therefore, existing dynamic password token is convenient not in user's use procedure.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.
For this reason, first purpose of the present invention is to propose a kind of dynamic password generation system, challenge code by transaction terminal by wireless mode automatic transmission to dynamic password generating device, thereby do not need the user manually challenge code to be inputed to dynamic password generating device, user-friendly when the minimizing input makes mistakes.Second purpose of the present invention is to propose a kind of dynamic password generating device.
For achieving the above object, the embodiment of first aspect present invention has proposed a kind of dynamic password generation system, comprise: transaction terminal, certificate server and dynamic password generating device, wherein, described transaction terminal comprises a NFC module, described dynamic password generating device comprises the 2nd NFC module that is complementary with a described NFC module, wherein, described transaction terminal, be used for receiving the Transaction Information of user's input and generate corresponding transaction message, and reception is sent to described dynamic password generating device from the challenge code of described certificate server by a described NFC module; Described certificate server be used for to receive the transaction message from described transaction terminal, and extracts key message in the described transaction message as described challenge code; Described dynamic password generating device, be used for coming from the described challenge code that a described NFC module sends by described the 2nd NFC module wireless receiving, and described challenge code is shown to described user and after described user confirmed that described challenge code is correct, the confirmation of receipt instruction generated the dynamic password of this transaction.
Dynamic password generation system according to the embodiment of the invention, NFC module by transaction terminal and the 2nd NFC module of dynamic password generating device with challenge code by transaction terminal by wireless mode automatic transmission to dynamic password generating device, thereby do not need the user manually challenge code to be inputed to dynamic password generating device, thereby it is user-friendly to avoid the user to input when makeing mistakes.
In some instances, described challenge code comprises transaction account and dealing money.
In some instances, described dynamic password generating device is used for generating according to described challenge code the dynamic password of described this transaction; Or described dynamic password generating device is used for the dynamic password according to described challenge code and described this transaction of current time parameter generation.
In some instances, described transaction terminal is used for the dynamic password of described this transaction of reception user input; Or described transaction terminal is used for receiving by a NFC module dynamic password of described this transaction of the 2nd NFC module transmission that comes from described dynamic password generating device.
In some instances, described certificate server receives the dynamic password of described this transaction that comes from described transaction terminal, and the dynamic password of described this transaction and the dynamic password that generates in advance compared, wherein, the described dynamic password that generates in advance of described certificate server is corresponding with the dynamic password of this transaction of described dynamic password generating device generation.
The embodiment of second aspect present invention has proposed a kind of dynamic password generating device, comprising: the NFC module is used for obtaining the challenge code that is sent to described dynamic password generating device; Receiver module is used for receiving the affirmation instruction of user's input when the user confirms that described challenge code is correct; Reminding module is used for pointing out described challenge code to confirm for described user, and the dynamic password of prompting password generated module generation; And the password generated module, be used for after described user confirms that described key message is correct, generate the dynamic password of this transaction according to described affirmation instruction and described challenge code.
Dynamic password generating device according to the embodiment of the invention, the NFC module of dynamic password generating device automatically wireless receiving is wirelessly transmitted to the challenge code of dynamic password generating device, thereby use this dynamic password generating device to generate in the dynamic password process the user, do not need the user manually challenge code to be inputed to dynamic password generating device, not only avoid the user to input and make mistakes, and convenient for users to use.
In some instances, described password generated module also comprises clock module, is used for record current time parameter.
In some instances, described password generated module also is used for inquiring about the current time parameter of described clock module storage, and according to the challenge code of described user's input and the dynamic password of described this transaction of current time parameter generation.
In some instances, also comprise: authentication module, be used for the startup password of user's input is carried out verification, and after being proved to be successful, open described NFC module to obtain the challenge code that is sent to described dynamic password generating device, and when the errors number that the described user of checking inputs startup password surpasses preset times, lock described dynamic password generating device.
In some instances, described dynamic password generating device is dynamic password token.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram according to the dynamic password generation system of the embodiment of the invention;
Fig. 2 is the schematic diagram of dynamic password generation system according to another embodiment of the present invention;
Fig. 3 is the schematic diagram according to the dynamic password generating device of the embodiment of the invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below in conjunction with accompanying drawing dynamic password generation system according to the embodiment of the invention is described at first.
With reference to figure 1, the dynamic password generation system of the embodiment of the invention comprises: transaction terminal 110, certificate server 120 and dynamic password generating device 130.Further, transaction terminal 110 comprises a NFC module 111, and dynamic password generating device 130 comprises the 2nd NFC module 131 that is complementary with a NFC module 111.
Particularly, transaction terminal 110 receives the Transaction Information of user's input and generates corresponding transaction message, and the challenge code from certificate server 120 that will receive, and by a NFC module 111 challenge code is sent to dynamic password generating device 130.Wherein, Transaction Information includes, but are not limited to: the user's who concludes the business user name, the other side's account, dealing money and transaction journal number etc.Transaction terminal 110 can be the ATM(Automated Teller Machine that is provided with the bank of a NFC module 111, ATM), also can be to have the equipment such as the PC of a NFC module 111 or mobile phone terminal.
Certificate server 120 is used for the authentication dynamic password and realizes customer transaction, is generally the server that bank provides.Certificate server 120 receives the transaction message from transaction terminal 110, and extracts key message in this transaction message as challenge code.Wherein, challenge code or key message include but not limited to: the information such as the other side's account and dealing money.
Certainly, when reality dropped into application, as shown in Figure 2, transaction terminal 110 and certificate server 120 also can be merged into a transaction system, use same entity device, for example have ATM in bank of a NFC module 111 etc.
Dynamic password generating device 130 comes from the challenge code that a NFC module 111 sends by the 2nd NFC module 131 wireless receivings, and challenge code is shown to the user and after the user confirmed that challenge code is correct, the affirmation instruction that receives user's input generated the dynamic password of this transaction.Confirm that instruction for example generates for the user confirms the correct rear confirming button of clicking of challenge code.In this example, show challenge code, for example show: this account of concluding the business: 1234567890, dealing money 12345, whether the user can be the transaction of user's needs according to this time transaction of the content verification that shows, if examine the transaction into needs, then can press the affirmation case, confirm instruction in order to generate, dynamic password generating device generates dynamic password according to challenge code after receiving this affirmation instruction.
In one embodiment of the present of invention, a NFC module 111 and the 2nd NFC module 131 are the close range wireless communication module, such as the equipment such as card reader/writer for employing near field communication (NFC) NFC.Further, when the user receives challenge code in the 2nd NFC module 131 by dynamic password generating device 130, dynamic password generating device 130 and a NFC module 111 of transaction terminal 110 can be pressed close to, for example be similar to the action of swiping the card.
In process of exchange, when prompting in the transaction terminal 110 needed the input dynamic password, dynamic password generating device 130 also can generate according to challenge code and current time parameter the dynamic password of this transaction.This current time parameter is provided by the built-in clock module of dynamic password generating device.Thus, even if can guarantee identical challenge code, such as giving same account remittance same amount etc., also can generate different dynamic passwords according to the difference of current time parameter, further promote the fail safe of dynamic password.
Certainly, dynamic password generating device 130 also can input to dynamic password generating device 130 by the mode that the user inputs by the challenge code that shows in transaction terminal 110.In this example, transaction terminal 110 can be inputted challenge code by information indicating users such as literal, image or sound.No matter be by the challenge code of wireless mode automatic reception or the challenge code that obtains by manual input mode, dynamic password generating device 130 can be according to challenge code, perhaps challenge code and current time parameter generate the dynamic password of this transaction, certificate server 120 receives the user by the dynamic password of this transaction of transaction terminal 110 inputs, in this example, transaction terminal 110 can receive by a NFC module 111 dynamic password of this transaction of the 2nd NFC module 131 transmissions that come from dynamic password generating device 130, also can be inputed in the transaction terminal 110 by the user.Then, certificate server 120 gets access to this dynamic password, and the dynamic password of this transaction and the dynamic password that generates in advance compared, what wherein, the above-mentioned dynamic password that generates in advance and dynamic password generating device 130 generated should be corresponding with the dynamic password of this transaction of dynamic password generating device 130 generations.
In one embodiment of the invention, dynamic password generating device 130 adopts dynamic password tokens, need to prove, this example is just for the ease of to explanation of the present invention, and should not be construed as limitation of the present invention.
Dynamic password generation system according to the embodiment of the invention, the NFC module of dynamic password generating device automatically wireless receiving is wirelessly transmitted to the challenge code of dynamic password generating device, thereby use this dynamic password generating device to generate in the dynamic password process the user, do not need the user manually challenge code to be inputed to dynamic password generating device, not only avoid the user to input and make mistakes, and convenient for users to use.
In addition, wireless telecommunications between the 2nd NFC module that the dynamic password generation system of the embodiment of the invention can be by dynamic password generating device and the NFC module of transaction terminal, make transaction terminal wirelessly automatic acquisition to from the dynamic password of dynamic password generating device, need not the user and manually input dynamic password, further facilitated user's use.
As shown in Figure 3, the dynamic password generating device according to the embodiment of second aspect present invention comprises: NFC module 310, receiver module 320, reminding module 330 and password generated module 340.
Particularly, NFC module 310 is used for obtaining the challenge code that is wirelessly transmitted to dynamic password generating device, and in this example, NFC module 310 can be used as the 2nd NFC module 131 of above-described embodiment and uses.
Password generated module 340 is after the user confirms that key message is correct, according to confirming that instruction and challenge code generate the dynamic password of this transaction.Wherein, the generating mode of the dynamic password of this transaction can have following several mode:
1) in one embodiment of the invention, password generated module 340 generates the dynamic password of this transaction according to the challenge code of user's input.
2) in one embodiment of the invention, password generated module 340 also comprises clock module, is used for record current time parameter.The current time parameter of password generated module 340 inquiry clock modules storage, and generate the dynamic password of this transaction according to challenge code and current time parameter.The present embodiment generates dynamic password according to challenge code and current time parameter, even if can guarantee identical challenge code (for example to same account remittance same amount), also can generate different dynamic passwords, has further guaranteed the fail safe of dynamic password.
In one embodiment of the invention, the password generated device also comprises: authentication module.Authentication module carries out verification to the startup password of user's input, and after being proved to be successful, indication receiver module 320 receives challenge code, surpasses preset times (for example 3 times or 5 times) if the user inputs the errors number of startup password, then authentication module locking dynamic password generating device.Authentication module is set, even if can prevent that also other people from carrying out the malice repeated attempt to user's password in the situation that this dynamic password generating device is lost, guarantees user's account safety.
In one embodiment of the invention, dynamic password generating device can be dynamic password token, need to prove, this example is just for the ease of to explanation of the present invention, and should not be construed as limitation of the present invention.
Dynamic password generating device according to the embodiment of the invention, the NFC module of dynamic password generating device automatically wireless receiving is wirelessly transmitted to the challenge code of dynamic password generating device, thereby use this dynamic password generating device to generate in the dynamic password process the user, do not need the user manually challenge code to be inputed to dynamic password generating device, not only avoid the user to input and make mistakes, and convenient for users to use.
Describe and to be understood in the flow chart or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as the computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The more specifically example of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), the erasable read-only memory (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanner, then edit, decipher or process to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics of unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a dynamic password generation system is characterized in that, comprising: transaction terminal, certificate server and dynamic password generating device, wherein, described transaction terminal comprises a NFC module, and described dynamic password generating device comprises the 2nd NFC module that is complementary with a described NFC module
Wherein, described transaction terminal is used for receiving the Transaction Information of user's input and generates corresponding transaction message, and receives the challenge code from described certificate server, by a described NFC module described challenge code is sent to described dynamic password generating device;
Described certificate server be used for to receive the transaction message from described transaction terminal, and extracts key message in the described transaction message as described challenge code;
Described dynamic password generating device, be used for receiving the described challenge code that comes from described NFC module transmission by described the 2nd NFC module, and described challenge code is shown to described user and after described user confirmed that described challenge code is correct, the confirmation of receipt instruction generated the dynamic password of this transaction.
2. dynamic password generation system as claimed in claim 1 is characterized in that, described challenge code comprises transaction account and dealing money.
3. dynamic password generation system as claimed in claim 1 is characterized in that,
Described dynamic password generating device is used for generating according to described challenge code the dynamic password of described this transaction; Or
Described dynamic password generating device is used for the dynamic password according to described challenge code and described this transaction of current time parameter generation.
4. dynamic password generation system as claimed in claim 1 is characterized in that,
Described transaction terminal is used for the dynamic password of described this transaction of reception user input; Or
Described transaction terminal is used for receiving by a NFC module dynamic password of described this transaction of the 2nd NFC module transmission that comes from described dynamic password generating device.
5. dynamic password generation system as claimed in claim 4, it is characterized in that, described certificate server receives the dynamic password of described this transaction that comes from described transaction terminal, and the dynamic password of described this transaction and the dynamic password that generates in advance compared, wherein, the described dynamic password that generates in advance of described certificate server is corresponding with the dynamic password of this transaction of described dynamic password generating device generation.
6. a dynamic password generating device is characterized in that, comprising:
The NFC module is used for obtaining the challenge code that is sent to described dynamic password generating device;
Receiver module is used for receiving the affirmation instruction of user's input when the user confirms that challenge code is correct;
Reminding module is used for pointing out described challenge code to confirm for described user, and the dynamic password of prompting password generated module generation; And
The password generated module is used for after described user confirms that described key message is correct, generates the dynamic password of this transaction according to described affirmation instruction and described challenge code.
7. dynamic password generating device as claimed in claim 6 is characterized in that, described password generated module also comprises clock module, is used for record current time parameter.
8. dynamic password generating device as claimed in claim 7, it is characterized in that, described password generated module also is used for inquiring about the current time parameter of described clock module storage, and according to the challenge code of described user's input and the dynamic password of described this transaction of current time parameter generation.
9. such as each described dynamic password generating device among the claim 6-8, it is characterized in that, also comprise:
Authentication module, be used for the startup password of user's input is carried out verification, and after being proved to be successful, open described NFC module to obtain the challenge code that is sent to described dynamic password generating device, and when the errors number that the described user of checking inputs startup password surpasses preset times, lock described dynamic password generating device.
10. dynamic password generating device as claimed in claim 6 is characterized in that, described dynamic password generating device is dynamic password token.
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