CN102868530A - Dynamic password generating method and device - Google Patents
Dynamic password generating method and device Download PDFInfo
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- CN102868530A CN102868530A CN2012103208892A CN201210320889A CN102868530A CN 102868530 A CN102868530 A CN 102868530A CN 2012103208892 A CN2012103208892 A CN 2012103208892A CN 201210320889 A CN201210320889 A CN 201210320889A CN 102868530 A CN102868530 A CN 102868530A
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Abstract
The invention provides a dynamic password generating method, comprising the following steps of: generating a dynamic instruction according to an input challenge code and the clock information of a dynamic password token, and storing the dynamic password; judging whether an instruction that a user triggers the dynamic password token is received or not within first time; if not, automatically switching off; judging whether a switching-on instrument that the user triggers the dynamic password token is received or not; if so, switching on; judging whether a time difference of switching-on time and dynamic password generation time is less than a pre-set time length or not; and if so, obtaining a stored dynamic password as an output dynamic password. The dynamic token generating method has the advantages of improving the using security in use and the easiness. The invention further provides a dynamic password generating device.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of dynamic password formation method and device.
Background technology
Existing dynamic password token often is arranged on the scheduled time (for example 30 seconds) if interior do not have button operation, then can automatic shutdown.At this moment, reaction does not operate if the user also is not able to do in time, perhaps also do not remember dynamic password, perhaps also dynamic password is not inputed to banking system, dynamic password token has carried out power-off operation, then can cause to reopen dynamic password token, and regenerate dynamic password could continue the operation, especially be applied to the dynamic password token of challenge response pattern, need the user to re-enter challenge code, regeneration dynamic password afterwards, therefore, if the user does not use the dynamic password that generates, then automatic shutdown can cause the awkward problem of user.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of easy to use and safe dynamic password formation method.
Another object of the present invention is to provide a kind of dynamic password generating device.
To achieve these goals, the embodiment of first aspect present invention provides a kind of dynamic password formation method, comprises the steps: to generate dynamic password according to the challenge code of input and the clock information of dynamic password token, and preserves described dynamic password; Whether judgement receives the instruction that the user triggers described dynamic password token within the very first time; When judging that not receiving the user in the described very first time triggers the instruction of described dynamic password token, automatic shutdown; Judge whether to receive the start-up command that the user triggers described dynamic password token; When judging that receiving the user triggers the start-up command of described dynamic password token, the operation of starting shooting; Judge that whether the time difference of available machine time and dynamic password rise time is less than default duration; The time difference of judging available machine time and dynamic password rise time is obtained the described dynamic password of storage as the dynamic password of exporting during less than described default duration.
Dynamic password formation method according to the embodiment of the invention, can behind automatic shutdown, preserve the dynamic password that generates, and when time difference of available machine time and dynamic password rise time starts in less than default duration again, keep the constant dynamic password token of dynamic password.Particularly, in time difference of available machine time and dynamic password rise time during less than default duration, when again starting shooting, the dynamic password that generates before directly showing need not the user and again inputs challenge code and also again generate dynamic password, is user-friendly to thus.In addition, the dynamic password token automatic shutdown time can be set less than the automatic shutdown time of existing dynamic password token, this is because the dynamic password of the embodiment of the invention can be preserved the regular hour.Thus, prevent dynamic password token when not having automatic shutdown, illegally obtained by other people and cause user security hidden danger, can strengthen the fail safe that dynamic password token uses.In addition, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
In addition, dynamic password formation method according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, described method also comprises: the time difference of judging available machine time and dynamic password rise time is during more than or equal to described default duration, the described dynamic password that deletion is stored.
Thus, guaranteed that dynamic password token is behind automatic shutdown, when the time difference of available machine time and dynamic password rise time is more than or equal to default duration again, directly enter the process that new dynamic password generates, the dynamic password that prevents the user from not inputting challenge code and generate before adopting and cause dynamic password to verify passing through, thereby be user-friendly to, improved the ease for use of dynamic password token.
In one embodiment of the invention, described method also comprises: judge whether to receive the instruction that the user closes described dynamic password token; When judging that receiving the user closes the instruction of dynamic password token, the described dynamic password of shutdown and deletion storage.
Thus, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
The embodiment of a second aspect of the present invention provides a kind of dynamic password generating device, comprising: generation module is used for the dynamic password according to the clock information generation of the challenge code of inputting and dynamic password token; Memory module is used for preserving described dynamic password; The first judge module is used for judging whether receive the instruction that the user triggers described dynamic password token within the very first time; The first shutdown module is used for when described the first judge module judges that not receiving the user in the described very first time triggers the instruction of described dynamic password token automatic shutdown; The second judge module is used for judging whether to receive the start-up command that the user triggers described dynamic password token; Starting module is used for when described the second judge module judges that receiving the user triggers the start-up command of described dynamic password token the operation of starting shooting; The 3rd judge module judges that whether available machine time and volume time difference dynamic password rise time are less than default duration; Acquisition module is used for obtaining the described dynamic password of storage as the dynamic password of exporting in time difference that described the 3rd judge module is judged available machine time and dynamic password rise time during less than described default duration.
Dynamic password generating device according to the embodiment of the invention, can behind automatic shutdown, preserve the dynamic password that generates, and when time difference of available machine time and dynamic password rise time starts in less than default duration again, keep the constant dynamic password token of dynamic password.Particularly, in time difference of available machine time and dynamic password rise time during less than default duration, when again starting shooting, the dynamic password that generates before directly showing need not the user and again inputs challenge code and also again generate dynamic password, is user-friendly to thus.In addition, the dynamic password token automatic shutdown time can be set less than the automatic shutdown time of existing dynamic password token, this is because the dynamic password of the embodiment of the invention can be preserved the regular hour.Thus, prevent dynamic password token when not having automatic shutdown, illegally obtained by other people and cause user security hidden danger, can strengthen the fail safe that dynamic password token uses.In addition, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
In addition, dynamic password generating device according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, described device also comprises: removing module, be used for deleting the described dynamic password that described memory module is stored in time difference that described the 3rd module is judged available machine time and dynamic password rise time during more than or equal to described default duration.
Thus, guaranteed that dynamic password token is behind automatic shutdown, when the time difference of available machine time and dynamic password rise time is more than or equal to default duration again, directly enter the process that new dynamic password generates, the dynamic password that prevents the user from not inputting challenge code and generate before adopting and cause dynamic password to verify passing through, thereby be user-friendly to, improved the ease for use of dynamic password token.
In one embodiment of the invention, described device also comprises: the 4th judge module is used for judging whether to receive the instruction that the user closes described dynamic password token; The second shutdown module is used for when described the 4th judge module judges that receiving the user closes the instruction of described dynamic password token, shuts down and deletes the described dynamic password of described memory module storage.
Thus, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
Additional aspect of the present invention 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 additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the flow chart of dynamic password formation method according to an embodiment of the invention; And
Fig. 2 is the structure chart of dynamic password generating device according to an 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 identical or similar label represents identical 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 " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to dynamic password formation method and the device of accompanying drawing description according to the embodiment of the invention.
As shown in Figure 1, the dynamic password formation method of the embodiment of the invention comprises the steps:
Step S101: generate dynamic password according to the challenge code of input and the clock information of dynamic password token, and preserve password.This clock information can carry out initialization by certificate server.
Step S102 judges whether receive the instruction that the user triggers described dynamic password token within the very first time, and wherein the very first time can be set for example 30 seconds according to needs.Be 13:15:01 when for example dynamic password generates, judged then before 13:15:31 whether dynamic password token has button etc. to be triggered.Certainly, the very first time can also be 1 minute, 2 minutes, 5 minutes or 10 minutes etc., can be complementary effective time with the dynamic password that bank authenticates dynamic password, and namely the very first time is as long as authenticate the dynamic password effective time of dynamic password less than bank.
Step S103, when judging that not receiving the user in the very first time triggers the instruction of described dynamic password token, automatic shutdown.If namely do not trigger the instruction of dynamic password token, for example there is not button operation, then judge within the very first time, not receive the instruction that the user triggers dynamic password token, automatic shutdown.
Step S104: judge whether to receive the start-up command that the user triggers dynamic password token.Behind the dynamic password automatic shutdown, when the user starts E-token dynamic password card again, receive start-up command.
Step S105: when judging that receiving the user triggers the start-up command of dynamic password token, the operation of starting shooting.
Step S106: judge that whether the time difference of available machine time and dynamic password rise time is less than default duration.Default duration is wherein determined by the value of making an appointment, should default duration it be the dynamic password effective time that bank authenticates dynamic password namely, for example, bank's certificate server authentication dynamic password time is 1 minute, then the each transaction of user need to be after dynamic password token generates dynamic password directly or indirectly inputs to dynamic password in bank's certificate server in 1 minute and is authenticated, and therefore default duration will can correctly authenticate dynamic password with the dynamic password consistent bank's certificate server that just can guarantee effective time.Certainly, this dynamic password can be set as different durations effective time as required, such as: 2 minutes, 5 minutes etc.
Step S107: the time difference of judging available machine time and dynamic password rise time is obtained the dynamic password of storage as the dynamic password of exporting during less than default duration.When the time difference of judging available machine time and dynamic password rise time when presetting duration, for example, setting automatic shutdown time is 30 seconds, default duration is that dynamic password effective time is 1 minute, suppose that so the dynamic password rise time is 13:15:01, generate behind the dynamic password without button operation, then dynamic password token is in the 13:15:31 automatic shutdown, dynamic password effective time is 13:16:01, so, available machine time is between 13:15:31 to 13:16:01 the time, output display or play the dynamic password that 13:15:01 generates.
In one embodiment of the invention, the time difference of judging available machine time and dynamic password rise time is during more than or equal to default duration, the described dynamic password that deletion is stored.Based on above-mentioned example, the available machine time is then deleted the dynamic password that 13:15:01 generates after 13:16:01, and the process that directly enters new generation dynamic password.Thus, guaranteed that dynamic password token is behind automatic shutdown, when the time difference of available machine time and dynamic password rise time is more than or equal to default duration again, directly enter the process that new dynamic password generates, the dynamic password that prevents the user from not inputting challenge code and generate before adopting and cause dynamic password to verify passing through, thereby be user-friendly to, improved the ease for use of dynamic password token.
In one embodiment of the invention, also comprise: judge whether to receive the instruction that the user closes dynamic password token; When judging that receiving the user closes the instruction of dynamic password token, the dynamic password of shutdown and deletion storage afterwards, if the user starts shooting again, then directly enters the process of new generation dynamic password.Thus, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
Dynamic password formation method according to the embodiment of the invention, can behind automatic shutdown, preserve the dynamic password that generates, and when time difference of available machine time and dynamic password rise time starts in less than default duration again, keep the constant dynamic password token of dynamic password.Particularly, in time difference of available machine time and dynamic password rise time during less than default duration, when again starting shooting, the dynamic password that generates before directly showing need not the user and again inputs challenge code and also again generate dynamic password, is user-friendly to thus.In addition, the dynamic password token automatic shutdown time can be set less than the automatic shutdown time of existing dynamic password token, this is because the dynamic password of the embodiment of the invention can be preserved the regular hour.Thus, prevent dynamic password token when not having automatic shutdown, illegally obtained by other people and cause user security hidden danger, can strengthen the fail safe that dynamic password token uses.In addition, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
As shown in Figure 2, the dynamic password generating device 200 of the embodiment of the invention comprises: generation module 201, memory module 202, the first judge modules 203, the first shutdown modules 204, the second judge module 205, starting module 206, the three judge modules 207 and acquisition module 208.
Particularly, generation module 201 can generate dynamic password according to the challenge code of input and the clock information of dynamic password token.This clock information can carry out initialization by certificate server.Memory module 202 can be preserved dynamic password.The first judge module 203 can judge whether receive the instruction that the user triggers dynamic password token within the very first time, and wherein the very first time can need to set for example 30 seconds by User self.Be 13:15:01 when for example dynamic password generates, judged then before 13:15:31 whether dynamic password token has button etc. to be triggered.Certainly, the very first time can also be 1 minute, 2 minutes, 5 minutes or 10 minutes etc., can be complementary effective time with the dynamic password that bank authenticates dynamic password, and namely the very first time is as long as authenticate the dynamic password effective time of dynamic password less than bank.
The first shutdown module 204 can be when the first judge module 203 judges that not receiving the user in the very first time triggers the instruction of dynamic password token, automatic shutdown, if namely do not trigger the instruction of dynamic password token, for example there is not button operation, then judge and within the very first time, do not receive the instruction that the user triggers dynamic password token, automatic shutdown.The second judge module 205 can judge whether to receive the start-up command that the user triggers dynamic password token, behind the dynamic password automatic shutdown, when the user starts E-token dynamic password card again, receives start-up command.Starting module 206 can be when the second judge module 205 judges that receiving the user triggers the start-up command of dynamic password token, the operation of starting shooting.The 3rd judge module 207 can judge that whether the time difference of available machine time and dynamic password rise time is less than default duration, default duration is wherein determined by the value of making an appointment, should default duration it be the dynamic password effective time that bank authenticates dynamic password namely, for example, bank's certificate server authentication dynamic password time is 1 minute, then the each transaction of user need to be after dynamic password token generates dynamic password directly or indirectly inputs to dynamic password in bank's certificate server in 1 minute and is authenticated, and therefore default duration will can correctly authenticate dynamic password with the dynamic password consistent bank's certificate server that just can guarantee effective time.Certainly, this dynamic password can be set as different durations effective time as required, such as: 2 minutes, 5 minutes etc.Acquisition module 208 can time difference that the 3rd judge module 207 is judged available machine times and dynamic password rise time when presetting duration, obtain the dynamic password of storage as the dynamic password of output, when the time difference of judging available machine time and dynamic password rise time when presetting duration, for example, setting automatic shutdown time is 30 seconds, default duration is that dynamic password effective time is 1 minute, suppose that so the dynamic password rise time is 13:15:01, generate behind the dynamic password without button operation, then dynamic password token is in the 13:15:31 automatic shutdown, dynamic password effective time is 13:16:01, so, available machine time is between 13:15:31 to 13:16:01 the time, output display or play the dynamic password that 13:15:01 generates.
In one embodiment of the invention, also comprise: removing module 209 can time difference that the 3rd judge module 207 is judged available machine times and dynamic password rise time when presetting duration, the dynamic password of deletion memory module 202 storages, based on above-mentioned example, available machine time is after 13:16:01, then delete the dynamic password that 13:15:01 generates, and the process that directly enters new generation dynamic password.Thus, guaranteed that dynamic password token is behind automatic shutdown, when the time difference of available machine time and dynamic password rise time is more than or equal to default duration again, directly enter the process that new dynamic password generates, the dynamic password that prevents the user from not inputting challenge code and generate before adopting and cause dynamic password to verify passing through, thereby be user-friendly to, improved the ease for use of dynamic password token.
In one embodiment of the invention, dynamic password generating device comprises: the 4th judge module 210 and the second shutdown module 211.
Particularly, the 4th judge module 210 can judge whether to receive the instruction that the user closes dynamic password token.The second shutdown module 211 can be when the 4th judge module 210 judges that receiving the user closes the instruction of dynamic password token, the dynamic password of shutdown and the storage of deletion memory module, afterwards, if the user starts shooting again, then directly enter the process of new generation dynamic password.Thus, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for use.
Dynamic password generating device according to the embodiment of the invention, can behind automatic shutdown, preserve the dynamic password that generates, and when time difference of available machine time and dynamic password rise time starts in less than default duration again, keep the constant dynamic password token of dynamic password.Particularly, in time difference of available machine time and dynamic password rise time during less than default duration, when again starting shooting, the dynamic password that generates before directly showing need not the user and again inputs challenge code and also again generate dynamic password, is user-friendly to thus.In addition, the dynamic password token automatic shutdown time can be set less than the automatic shutdown time of existing dynamic password token, this is because the dynamic password of the embodiment of the invention can be preserved the regular hour.Thus, prevent dynamic password token when not having automatic shutdown, illegally obtained by other people and cause user security hidden danger, can strengthen the fail safe that dynamic password token uses.In addition, behind this dynamic password token that manually shuts down, even if guaranteed in time difference of available machine time and dynamic password rise time during less than default duration, the dynamic password that generates before also no longer showing, thus can promote dynamic password token fail safe and ease for 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.
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.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
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 can change above-described embodiment in the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.Scope of the present invention extremely is equal to by claims and limits.
Claims (6)
1. a dynamic password formation method is characterized in that, described method comprises:
Generate dynamic password according to the challenge code of input and the clock information of dynamic password token, and preserve described dynamic password;
Whether judgement receives the instruction that the user triggers described dynamic password token within the very first time;
When judging that not receiving the user in the described very first time triggers the instruction of described dynamic password token, automatic shutdown;
Judge whether to receive the start-up command that the user triggers described dynamic password token;
When judging that receiving the user triggers the start-up command of described dynamic password token, the operation of starting shooting;
Judge that whether the time difference of available machine time and dynamic password rise time is less than default duration;
The time difference of judging available machine time and dynamic password rise time is obtained the described dynamic password of storage as the dynamic password of exporting during less than described default duration.
2. dynamic password formation method according to claim 1 is characterized in that, described method also comprises: the time difference of judging available machine time and dynamic password rise time is during more than or equal to described default duration, the described dynamic password that deletion is stored.
3. dynamic password formation method according to claim 1 and 2 is characterized in that, described method also comprises:
Judge whether to receive the instruction that the user closes described dynamic password token;
When judging that receiving the user closes the instruction of described dynamic password token, the described dynamic password of shutdown and deletion storage.
4. a dynamic password generating device is characterized in that, described device comprises:
Generation module is used for generating dynamic password according to the challenge code of input and the clock information of dynamic password token;
Memory module is used for preserving described dynamic password;
The first judge module is used for judging whether receive the instruction that the user triggers described dynamic password token within the very first time;
The first shutdown module is used for when described the first judge module judges that not receiving the user in the described very first time triggers the instruction of described dynamic password token automatic shutdown;
The second judge module is used for judging whether to receive the start-up command that the user triggers described dynamic password token;
Starting module is used for when described the second judge module judges that receiving the user triggers the start-up command of described dynamic password token the operation of starting shooting;
The 3rd judge module judges that whether the time difference of available machine time and dynamic password rise time is less than default duration;
Acquisition module is used for obtaining the described dynamic password of storage as the dynamic password of exporting in time difference that described the 3rd judge module is judged available machine time and dynamic password rise time during less than default duration.
5. dynamic password generating device according to claim 4 is characterized in that, described device also comprises:
Removing module is used for deleting the described dynamic password that described memory module is stored in time difference that described the 3rd judge module is judged available machine time and dynamic password rise time during more than or equal to described default duration.
6. according to claim 4 or 5 described dynamic password generating devices, it is characterized in that described device also comprises:
The 4th judge module is used for judging whether to receive the instruction that the user closes described dynamic password token;
The second shutdown module is used for when described the 4th judge module judges that receiving the user closes the instruction of described dynamic password token, shuts down and deletes the described dynamic password of described memory module storage.
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| CN102868530B (en) | 2016-01-20 |
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