CN102447561A - Input method and input device of system synchronous clock for dynamic token - Google Patents
Input method and input device of system synchronous clock for dynamic token Download PDFInfo
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Abstract
The invention discloses an input method and an input device of a system synchronous clock for a dynamic token. The method comprises the following steps that: a dynamic token receives the system synchronous clock sent by a host; and the clock of the dynamic token is correct according to the system synchronous clock. With the input method and the input device of the system synchronous clock for the dynamic token, the dynamic token still can correct own clock according to the system synchronous clock after being issued, so, clock synchronization between the dynamic token and a dynamic token server is guaranteed.
Description
Technical field
The present invention relates to the data security technical field, relate in particular to a kind of calibration steps and device of dynamic token clock.
Background technology
Along with The development in society and economy, people carry out that the demand of online transaction is more and more, and in order to protect the safety of online transaction account, people can select to buy dynamic token (disposal password device), replace traditional static password with the dynamic password of its generation.Yet dynamic token in the market is after distribution; Dynamic token and dynamic token server only carry out timing and calculating according to the clock circuit that self is provided with, and this clock timing mode is at the dynamic token distribution initial stage; Drawback generally can not expose, but As time goes on, the error of clock circuit can become big because of accumulation; Make the time clock correction of dynamic token and dynamic token server become big, bring problem for thus user's authentication.
Summary of the invention
Main purpose of the present invention is input method and the device that a kind of dynamic token system synchronization clock is provided, and can guarantee the clock synchronization of dynamic token and dynamic token server, and user's authentication is carried out smoothly.
The input method of a kind of dynamic token system synchronization of the present invention clock comprises step:
Dynamic token receives the system synchronization clock that main frame sends;
Clock according to said system synchronization clock alignment dynamic token.
Preferably, the system synchronization clock of said dynamic token reception main frame transmission is specially:
Dynamic token is through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen.
Preferably, said dynamic token comprises through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen:
Dynamic token reads the displaying contents of main frame output; Said displaying contents comprises brightness, brightness variation, color and/or the color change information that is generated by the modulation of system synchronization clock through main frame;
The brightness, brightness variation, color and/or the color change information that comprise one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock;
The brightness, brightness variation, color and/or the color change information that comprise a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
Preferably; When said displaying contents comprises brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas; Said displaying contents also comprises brightness, brightness variation, color and/or color change information synchronization signal, is used to said brightness, brightness variation, color and/or color change information reference synchronization is provided.
Preferably, said dynamic token reads said brightness, brightness variation, color and/or color change information through photo resistance, photodiode or phototriode.
Preferably, the system synchronization clock of said dynamic token reception main frame transmission is specially:
Dynamic token is through infrared mode receiving system synchronised clock.
The present invention also proposes a kind of input unit of dynamic token system synchronization clock, comprising:
Receiver module is used to receive the system synchronization clock that main frame sends;
Calibration module is used for the clock according to said system synchronization clock alignment dynamic token.
Preferably, said receiver module specifically is used for:
Brightness, brightness variation, color and/or color change receiving system synchronised clock through the main frame screen.
Preferably, said receiver module comprises:
Reading unit is used to read the displaying contents of main frame output; Said displaying contents comprises brightness, brightness variation, color and/or the color change information that is generated by the modulation of system synchronization clock through main frame;
Demodulating unit; Be used for comprising brightness, brightness variation, color and/or the color change information of one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock; And comprise brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
Preferably; When said displaying contents comprises brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas; Said displaying contents also comprises brightness, brightness variation, color and/or color change information synchronization signal, is used to said brightness, brightness variation, color and/or color change information reference synchronization is provided.
Preferably, said reading unit reads said brightness, brightness variation, color and/or color change information through photo resistance, photodiode or phototriode.
Preferably, said receiver module specifically is used for:
Through infrared mode receiving system synchronised clock.
The input method and the device of a kind of dynamic token system synchronization clock of the present invention; Modulated through receiving main frame output the brightness of system synchronization clock, brightness variation, color and/or color change information or infrared information; Receive the synchronizing clock signals of the system of main frame output, afterwards the clock of self is calibrated.Adopt this clock alignment mode, the clock between dynamic token and the dynamic token server can remain synchronously, the authentication that when existing between dynamic token and dynamic token server clock correction influences the user can not occur, and is convenient for users to use.
Description of drawings
Fig. 1 is the schematic flow sheet of input method one embodiment of dynamic token system synchronization clock of the present invention;
Fig. 2 is the schematic flow sheet of mode one among input method one embodiment of dynamic token system synchronization clock of the present invention;
Fig. 3 is the structural representation of input unit one embodiment of dynamic token system synchronization clock of the present invention;
Fig. 4 is the structural representation of receiver module in input unit one by way of example one of dynamic token system synchronization clock of the present invention;
Fig. 5 is the structural representation of reading unit in input unit one by way of example one of dynamic token system synchronization clock of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The main frame of the embodiment of the invention can be can be through network etc. and the dynamic token server mutual equipment of line data of going forward side by side that connects, like PC, portable terminal, ATM etc.
With reference to Fig. 1, input method one embodiment of dynamic token system synchronization clock of the present invention is proposed, comprising:
Step S10, dynamic token receive the system synchronization clock that main frame sends;
In the present embodiment, dynamic token is through following two mode receiving system synchronised clocks:
Mode one, dynamic token with reference to Fig. 2, comprises step through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen:
Step S101, dynamic token read the displaying contents of main frame output; Said displaying contents comprises brightness, brightness variation, color and/or the color change information that is generated by the modulation of system synchronization clock through main frame;
Main frame can begin to show predetermined times or stop demonstration after the scheduled time until circulation with different brightness, brightness variation, color and/or color change (present embodiment is referred to as brightness, brightness variation, color and/or color change information with the information of brightness, brightness variation, color and/or the color change generation of main frame screen) circulation display system synchronised clock when needs carry out authenticating user identification.The displaying contents of main frame output this moment comprises but not only for brightness, brightness variation, color and/or the color change information of main frame screen; This brightness, brightness variation, color and/or color change information are obtained by the modulation of system synchronization clock, and the mode of modulation can be amplitude modulation(PAM) or phase modulated etc.Because the main frame screen comprises a plurality of viewing areas, so the displaying contents of main frame output can comprise brightness, brightness variation, color and/or the color change information of one or more viewing area.In practical application; Can aim at the zone that brightness on the main frame screen, brightness variation, color and/or color change information show through the part that dynamic token is provided with photo resistance, photodiode or phototriode; Brightness, brightness variation, the color and/or the color change of induction main frame screen also reads brightness, brightness variation, color and/or color change information; Be appreciated that said dynamic token is provided with the shell employing printing opacity design of the part of photo resistance, photodiode or phototriode.
Step S102, comprise brightness, brightness variation, color and/or the color change information of one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock;
Step S103, comprise brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
Said system synchronization clock can be the dynamic token server time at that time; It also can be difference with respect to a certain reference clock; Dynamic token can reach the synchronous of clock own and dynamic token server according to the clock of the system synchronization clock alignment that receives itself.
Said system synchronization clock can be to transmit with form expressly, also can encrypt the form transmission of back with ciphertext with the key of arranging between main frame and the dynamic token.
Because the displaying contents of main frame output can comprise brightness, brightness variation, color and/or the color change information of one or more viewing area.Therefore; The brightness, brightness variation, color and/or the color change information that comprise one or more viewing area when the displaying contents of main frame output; And when displaying contents does not comprise brightness and/or color reference information; Directly this brightness, brightness variation, color and/or color change information are carried out demodulation, obtain corresponding system synchronization clock.When the displaying contents of main frame output comprises brightness, brightness variation, color and/or the color change information of two above viewing areas; Then the displaying contents of output can also comprise brightness and/or color reference information simultaneously; Through this brightness and/or color reference information brightness, brightness variation, color and/or the color change information of a plurality of viewing areas of reception are carried out brightness and/or color adjustment; Brightness after can obtaining calibrating, brightness variation, color and/or color change information; According to brightness, brightness variation, color and/or color change demodulates information after the calibration, obtain the system synchronization clock again.Further; The situation that comprises brightness, brightness variation, color and/or the color change information of two above viewing areas for the displaying contents of main frame output; Main frame also can be exported brightness, brightness variation, color and/or color change information synchronization signal simultaneously, is used to said brightness, brightness variation, color and/or color change information reference synchronization is provided.
Mode two, dynamic token are through infrared mode receiving system synchronised clock, and promptly dynamic token is directly through receiving system synchronised clocks such as infrared transceivers.
Step S11, according to the clock of said system synchronization clock alignment dynamic token.
Dynamic token is calibrated the clock of self according to the system synchronization clock that obtains, and supplies authentification of user to use.
The input method of the described dynamic token system synchronization of present embodiment clock; Receive through dynamic token main frame output modulated the brightness of system synchronization clock, brightness variation, color and/or color change information or infrared information; Demodulation afterwards obtains the system synchronization clock signal, afterwards the clock of self is calibrated.Adopt this clock alignment mode, the clock between dynamic token and the dynamic token server can remain synchronously, the authentication that when existing between dynamic token and dynamic token server clock correction influences the user can not occur, and is convenient for users to use.
With reference to Fig. 3, input unit one embodiment of dynamic token system synchronization clock of the present invention is proposed, comprising:
In the present embodiment, receiver module 10 can be through following two mode receiving system synchronised clocks:
Mode one, receiver module 10 is through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen, and with reference to Fig. 4, shown in Figure 4 is the mode structure of receiver module 10 once, comprising:
Demodulating unit 12; Be used for comprising brightness, brightness variation, color and/or the color change information of one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock; And comprise brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
The input unit of the dynamic token system synchronization clock of present embodiment can be dynamic token itself, also can be a device that is internal or external at dynamic token.In practical design, reading unit 11 can be realized by the photosensitive unit that comprises photo resistance, photodiode or phototriode, and demodulating unit 12 can be realized by microprocessor.
Main frame begins to show predetermined times or stop demonstration after the scheduled time until circulation with different brightness, brightness variation, color and/or color change (present embodiment is referred to as brightness, brightness variation, color and/or color change information with the information of brightness, brightness variation, color and/or the color change generation of main frame screen) circulation display system synchronised clock when needs carry out authenticating user identification.The displaying contents of main frame output this moment local terminal screen; This displaying contents comprises but not only for brightness, brightness variation, color and/or the color change information of main frame screen; This brightness, brightness variation, color and/or color change information are obtained by the modulation of system synchronization clock, and the mode of modulation can be amplitude modulation(PAM) or enumerate phase modulated etc.Because the main frame screen comprises a plurality of viewing areas, so the displaying contents of main frame output can comprise brightness, brightness variation, color and/or the color change information of one or more viewing area.
Reading unit 11 reads the displaying contents of main frame output, and is sent to demodulating unit 12.12 pairs of brightness of demodulating unit, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock.The system synchronization clock can be the dynamic token server time at that time; It also can be difference with respect to a certain reference clock; Dynamic token can reach the synchronous of clock own and dynamic token server according to the clock of the system synchronization clock alignment that receives itself.
Because the displaying contents of main frame output can comprise brightness, brightness variation, color and/or the color change information of one or more viewing area.Therefore; The brightness, brightness variation, color and/or the color change information that comprise one or more viewing area when the displaying contents of main frame output; And when displaying contents does not comprise brightness and/or color reference information; Demodulating unit 12 directly carries out demodulation to this brightness, brightness variation, color and/or color change information, obtains corresponding system synchronization clock.When the displaying contents of main frame output comprises brightness, brightness variation, color and/or the color change information of two above viewing areas; Then the displaying contents of output also comprises brightness and/or color reference information simultaneously; Demodulating unit 12 carries out brightness and/or color adjustment through this brightness and/or color reference information to brightness, brightness variation, color and/or the color change information of a plurality of viewing areas of reception; Brightness after can obtaining calibrating, brightness variation, color and/or color change information; Carry out demodulation according to the brightness after this calibration, brightness variation, color and/or color change information again, obtain the system synchronization clock.Further; The situation that comprises brightness, brightness variation, color and/or the color change information of two above viewing areas for the displaying contents of main frame output; Main frame also can be exported synchronizing signal simultaneously, is that brightness, brightness variation, color and/or the color change information of two above viewing areas provides reference synchronization.
Mode two, receiver module 10 are through infrared mode receiving system synchronised clock, and promptly dynamic token is directly through receiving system synchronised clocks such as infrared transceivers.
At last, calibration module 20 is calibrated the clock of dynamic token according to the system synchronization clock that obtains, and uses when supplying the user to carry out authentication.
With reference to Fig. 5; Fig. 5 further specifies the circuit diagram of photosensitive unit when dynamic token reads brightness, brightness variation, color and/or color change information through photosensitive unit; This photosensitive unit can comprise photo resistance, photodiode or phototriode, and present embodiment is that example describes with the photo resistance.
As shown in the figure; Comprise photo resistance 111, amplifying circuit 112 and the A/D change-over circuit 113 that connects successively when this photosensitive unit; After brightness, brightness variation, color and/or color change information are read in photo resistance 111; This brightness, brightness variation, color and/or color change information input amplifying circuit 112 are amplified, and A/D change-over circuit 113 carries out mould/number conversion with the signal of amplifying circuit 112 outputs, will export digital signal to demodulating unit 12 afterwards.
Above-mentioned photo resistance 111 can be substituted by photodiode or phototriode; But when using phototriode; Can be without amplifying circuit 112, the brightness of directly phototriode being read, brightness variation, color and/or color change information input A/D change-over circuit 113 carry out mould/number conversion.
The part that dynamic token is provided with photo resistance, photodiode or phototriode is aimed at the zone that brightness on the main frame screen, brightness variation, color and/or color change information show; Brightness, brightness variation, the color and/or the color change of main frame screen be can respond to and brightness, brightness variation, color and/or color change information read; Be appreciated that said dynamic token is provided with the shell employing printing opacity design of the part of photo resistance, photodiode or phototriode.
The dynamic token of present embodiment; Through the modulated of dynamic token through receiving main frame output the brightness of system synchronization clock, brightness variation, color and/or color change information or infrared information; Demodulation afterwards obtains the system synchronization clock signal, afterwards the clock of self is calibrated.Adopt this clock alignment mode, the clock between dynamic token and the dynamic token server can remain synchronously, the authentication that when existing between dynamic token and dynamic token server clock correction influences the user can not occur, and is convenient for users to use.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (12)
1. the input method of a dynamic token system synchronization clock is characterized in that, comprises step:
Dynamic token receives the system synchronization clock that main frame sends;
Clock according to said system synchronization clock alignment dynamic token.
2. the method for claim 1 is characterized in that, the system synchronization clock that said dynamic token receives the main frame transmission is specially:
Dynamic token is through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen.
3. method as claimed in claim 2 is characterized in that, said dynamic token comprises through brightness, brightness variation, color and/or the color change receiving system synchronised clock of main frame screen:
Dynamic token reads the displaying contents of main frame output; Said displaying contents comprises brightness, brightness variation, color and/or the color change information that is generated by the modulation of system synchronization clock through main frame;
The brightness, brightness variation, color and/or the color change information that comprise one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock;
The brightness, brightness variation, color and/or the color change information that comprise a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
4. method as claimed in claim 3; It is characterized in that; When said displaying contents comprises brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas; Said displaying contents also comprises brightness, brightness variation, color and/or color change information synchronization signal, is used to said brightness, brightness variation, color and/or color change information reference synchronization is provided.
5. like claim 3 or 4 described methods, it is characterized in that said dynamic token reads said brightness, brightness variation, color and/or color change information through photo resistance, photodiode or phototriode.
6. the method for claim 1 is characterized in that, the system synchronization clock that said dynamic token receives the main frame transmission is specially:
Dynamic token is through infrared mode receiving system synchronised clock.
7. the input unit of a dynamic token system synchronization clock is characterized in that, comprising:
Receiver module is used to receive the system synchronization clock that main frame sends;
Calibration module is used for the clock according to said system synchronization clock alignment dynamic token.
8. device as claimed in claim 7 is characterized in that, said receiver module specifically is used for:
Brightness, brightness variation, color and/or color change receiving system synchronised clock through the main frame screen.
9. device as claimed in claim 8 is characterized in that, said receiver module comprises:
Reading unit is used to read the displaying contents of main frame output; Said displaying contents comprises brightness, brightness variation, color and/or the color change information that is generated by the modulation of system synchronization clock through main frame;
Demodulating unit; Be used for comprising brightness, brightness variation, color and/or the color change information of one or more main frame on-screen display (osd) area when said displaying contents; And when displaying contents does not comprise brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are carried out demodulation, obtain the system synchronization clock; And comprise brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas when said displaying contents; And when displaying contents comprises brightness and/or color reference information; Said brightness, brightness variation, color and/or color change information are calibrated the back demodulation, obtain the system synchronization clock.
10. device as claimed in claim 9; It is characterized in that; When said displaying contents comprises brightness, brightness variation, color and/or the color change information of a plurality of main frame on-screen display (osd) areas; Said displaying contents also comprises brightness, brightness variation, color and/or color change information synchronization signal, is used to said brightness, brightness variation, color and/or color change information reference synchronization is provided.
11., it is characterized in that said reading unit reads said brightness, brightness variation, color and/or color change information through photo resistance, photodiode or phototriode like claim 9 or 10 described devices.
12. device as claimed in claim 7 is characterized in that, said receiver module specifically is used for:
Through infrared mode receiving system synchronised clock.
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Application publication date: 20120509 |