CN102750481A - Level output device, self-destructible dynamic password generating device and self-destroying method - Google Patents
Level output device, self-destructible dynamic password generating device and self-destroying method Download PDFInfo
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- CN102750481A CN102750481A CN2012102041295A CN201210204129A CN102750481A CN 102750481 A CN102750481 A CN 102750481A CN 2012102041295 A CN2012102041295 A CN 2012102041295A CN 201210204129 A CN201210204129 A CN 201210204129A CN 102750481 A CN102750481 A CN 102750481A
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Abstract
The invention discloses a level output device, a self-destructible dynamic password generating device and a self-destroying method, wherein the level output device is used for being matched with a case of the dynamic password generating device for realizing the effect that after a case is dismounted, the output end outputs level signals opposite to the level signals output when the case is closed; the self-destructible dynamic password generating device comprises a case, the level output device and a processing device, wherein the processing device receives the output high and low level signals, a receiving interface of the processing device is connected with the output end of the level output device, when the case is dismounted, the processing device receives the level signals which are output by the level output device and are opposite to the level signals output when the case is sealed, and the dynamic password generating device is controlled to realize the self destroying. Therefore, the effect of preventing the property loss caused by dynamic password obtaining from others can be reached.
Description
Technical field
The present invention relates to information security field, but relate in particular to dynamic password generating apparatus, the self-destruction method of the self-destruction of a kind of level output unit.
Background technology
In recent years, follow the fast development of internet and Financial Informationization, Web bank obtains the generally high praise of user and bank's industry rapidly with its facility, advantage such as efficient.Bank and various large-scale e-commerce website have adopted dynamic password token or dynamic password card to strengthen the security of network ID authentication in order to overcome the safety defect based on the authentication mode of static password mostly.
The dynamic password technology is called one-time password (One Time Password, be called for short OTP) technology again, is characterized in that the display digit of the dynamic password token that the user provides according to service provider is imported dynamic password, so that carry out network trading.
But existing dynamic password token is not imposed the user information confidentiality measure, in case user loss the dynamic password token of oneself; Found by other people, the people who finds takes this dynamic password token apart, and the information of its inside is read; Obtain easily with this dynamic password token in user profile, perhaps after other people have obtained this user's user profile, number of the account etc. for example; Generate correct dynamic password through this dynamic password token, thereby carry out subsequent operation, for example transfer accounts etc.This shows that the dynamic password token of prior art is in case by other people acquisition, then can exist bigger potential safety hazard.
Summary of the invention
But the purpose of this invention is to provide a kind of preventing and lose dynamic password generating apparatus, the self-destruction method of the level output unit self-destruction of property because other people obtain the dynamic password generating apparatus.
The objective of the invention is to realize through following technical scheme:
A kind of level output unit is used for cooperating with the shell of dynamic password generating apparatus, realize that said shell is opened after, the opposite level signal of level signal that output terminal output is exported during with said shell seal.
In addition, said level output unit comprises: sensor and/or switchgear.
In addition, first interface of said switchgear connects power supply through first partial pressure device, and second interface of said switchgear is through the second partial pressure device ground connection, and the output terminal of said switchgear connects said second interface.
In addition, when said shell seal, be connected through thin wire between first interface of said switchgear and second interface, said thin wire is fixedly connected with said shell.
In addition, when said shell seal, be connected through thin wire between first interface of said switchgear and second interface, said thin wire links to each other with hook on being fixed on said shell.
In addition, when said shell seal, be connected through push switch between first interface of said switchgear and second interface, said push switch is communicated with by said shell extruding.
In addition, said sensor is provided with by said shell extruding.
In addition, said sensor cooperates with said shell through said shell extruding switchgear.
But a kind of dynamic password generating apparatus of self-destruction; Comprise: shell also comprises: like above-mentioned level output unit, and the high-low level Signal Processing device that receives output; The receiving interface of said treating apparatus connects the output terminal of said level output unit; When said shell is opened, the output of said treating apparatus incoming level output unit with said shell seal the time the opposite level signal of level signal exported, control said dynamic password generating apparatus and carry out self-destruction.
A kind of self-destruction method of dynamic password generating apparatus comprises the steps: to take apart the shell of dynamic password generating apparatus, treating apparatus receive as above-mentioned level output unit output with said shell seal the time the opposite level signal of level signal exported; Treating apparatus control dynamic password generating apparatus carries out self-destruction.
After the shell of dynamic password generating apparatus is opened; The opposite level signal of exporting when output of level output unit and shell seal of level signal, the receiving interface of treating apparatus receives low level signal, treating apparatus control carrying out self-destruction; Can prevent that other people from obtaining user profile; Prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password, thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improved security.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
But the synoptic diagram of the dynamic password generating apparatus of the self-destruction that Fig. 1 provides for the embodiment of the invention;
But first synoptic diagram of the level output unit of the dynamic password generating apparatus of the self-destruction that Fig. 2 provides for the embodiment of the invention;
But second synoptic diagram of the level output unit of the dynamic password generating apparatus of the self-destruction that Fig. 3 provides for the embodiment of the invention;
The process flow diagram of the self-destruction method of the dynamic password generating apparatus that Fig. 4 provides for the embodiment of the invention;
But the synoptic diagram of the self-desttruction equipment of the dynamic password generating apparatus of the self-destruction that Fig. 5 provides for the embodiment of the invention one;
But the synoptic diagram of the self-desttruction equipment of the dynamic password generating apparatus of the self-destruction that Fig. 6 provides for the embodiment of the invention two;
But the synoptic diagram of the self-desttruction equipment of the dynamic password generating apparatus of the self-destruction that Fig. 7 provides for the embodiment of the invention three;
But the synoptic diagram of the self-desttruction equipment of the dynamic password generating apparatus of the self-destruction that Fig. 8 provides for the embodiment of the invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
To combine accompanying drawing that the embodiment of the invention is done to describe in detail further below.
But Fig. 1 shows the synoptic diagram of the dynamic password generating apparatus of self-destruction of the present invention; Referring to Fig. 1, but the dynamic password generating apparatus of self-destruction comprises: shell, treating apparatus; For example can be CPU (Central Processing Unit; Central processing unit) processor and peripheral circuit, wherein treating apparatus comprises receiving interface, the receiving interface of treating apparatus connects the level output unit that can export high-low level.
Wherein, treating apparatus is used for managing user information, and generates dynamic password, and after receiving interface received low level signal, control dynamic password generating apparatus carried out self-destruction etc.
Wherein, self-destruction prevents that promptly other people from obtaining user profile or prevents that other people from obtaining correct dynamic password through this dynamic password generating apparatus.
Treating apparatus control dynamic password generating apparatus carries out self-destruction and can carry out through following mode:
1, format stored user information.
Wherein, user profile can be stored in the memory module of CPU processor, also can be stored in other memory devices that link to each other with the CPU processor.After the I/O of CPU processor interface received low level signal, the memory module of CPU processor control format CPU processor perhaps formatd other memory devices that link to each other with the CPU processor, to remove user profile, prevented that other people from obtaining user profile.
2, change the parameter of calculating dynamic password.
After the receiving interface of CPU processor receives low level signal; CPU processor modification time parameter; When the dynamic password generating apparatus calculates dynamic password; Because time parameter is modified, the dynamic password of its generation can't be carried out authentication by the certificate server of bank's end, thereby can't realize subsequent operation.
The level output unit is used for when the shell of dynamic password generating apparatus normally seals use, to the receiving interface output high level signal of treating apparatus, after the shell of dynamic password generating apparatus is opened, to the receiving interface output low level signal of treating apparatus.
3, after the receiving interface of CPU processor receives low level signal, the CPU processor is revised initial configuration, forbids that the user realizes the start operation, thereby can't realize subsequent operation.
Certainly, treating apparatus control dynamic password generating apparatus carries out self-destruction and can also adopt other to prevent that the normal modes used of user from realizing.
The level output unit can adopt following mode to realize the output of high-low level:
1, but Fig. 2 has shown first synoptic diagram of level output unit of the dynamic password generating apparatus of self-destruction; Referring to Fig. 2, the level output unit comprises: switchgear, and first contact of switchgear connects power supply through first partial pressure device; Second contact of switchgear is through the second partial pressure device ground connection; And link to each other with the receiving interface of treating apparatus, just second contact of switchgear both linked to each other with ground through second partial pressure device, linked to each other with the receiving interface of treating apparatus as output terminal again.
Wherein, first partial pressure device can be resistance R 2 for resistance R 1, the second partial pressure device.Second resistance R 2 is generally more than 5 times of first resistance R 1, and the multiplying power that adopts usually is more than 10 times.In the present embodiment, generally can make first resistance R 1 be 470K Ω, second resistance R 2 is 10M Ω.Certainly, the multiplying power of second partial pressure device and first partial pressure device is the bigger the better.
Under normal circumstances; The shell of dynamic password generating apparatus is normal closed state; The switchgear of dynamic password generating apparatus is a closure state, at this moment, because the dividing potential drop effect of first partial pressure device and second partial pressure device; Level output unit output high level signal, the receiving interface of treating apparatus receives high level signal.
After the shell of dynamic password generating apparatus was opened, switchgear is off-state then, and promptly switchgear was disconnected with being connected of power supply; At this moment; Level output unit output low level signal, the receiving interface of treating apparatus receives low level signal, and control dynamic password generating apparatus carries out self-destruction.
In the present embodiment, power supply is generally 3.3V, and high level is the above voltage of 2.1V, and low level is the voltage below the 1V.
2, but Fig. 3 has shown first synoptic diagram of level output unit of the dynamic password generating apparatus of self-destruction, and referring to Fig. 3, the level output unit comprises: sensor, the output terminal of sensor links to each other with the receiving interface of treating apparatus.
Sensor can comprise: piezoelectric sensor and change-over circuit thereof etc.Certainly, can also comprise Boolean value output sensor etc., when adopting Boolean value output sensor, can Boolean value output sensor be connected power supply through switchgear.
Under normal circumstances, the shell of dynamic password generating apparatus is normal closed state, piezoelectric sensor output high level signal, and the receiving interface of treating apparatus receives high level signal; When switchgear is closed, the output terminal of Boolean value output sensor output high level signal.
After the shell of dynamic password generating apparatus is opened; The output terminal output low level signal of piezoelectric sensor; Boolean value output sensor since switchgear break off and being connected of power supply; Its output terminal is the output low level signal also, and the receiving interface of treating apparatus receives low level signal, and control dynamic password generating apparatus carries out self-destruction.
After the shell of dynamic password generating apparatus is opened; The opposite level signal of exporting when output of level output unit and shell seal of level signal, the receiving interface of treating apparatus receives low level signal, treating apparatus control carrying out self-destruction; Can prevent that other people from obtaining user profile; Prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password, thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improved security.
Fig. 4 shows the process flow diagram of the self-destruction method of dynamic password generating apparatus, and the self-destruction method of dynamic password generating apparatus comprises:
Concrete, take the shell of dynamic password generating apparatus apart, switchgear is disconnected, thereby breaks off the I/O interface of CPU processor and being connected of power supply, and at this moment, the I/O interface of CPU processor receives the low level signal that switchgear is exported.
Perhaps, sensor judges that shell is opened, the output terminal output low level signal of sensor then, and the I/O interface of CPU processor receives the low level signal of sensor output.
Concrete, after the CPU processor received the low level signal of level output unit, according to preset program, control control dynamic password generating apparatus carried out self-destruction.
Treating apparatus control dynamic password generating apparatus carries out self-destruction and can carry out through following mode:
1, format stored user information.
Wherein, user profile can be stored in the memory module of CPU processor, also can be stored in other memory devices that link to each other with the CPU processor.After the I/O of CPU processor interface received low level signal, the memory module of CPU processor control format CPU processor perhaps formatd other memory devices that link to each other with the CPU processor, to remove user profile, prevented that other people from obtaining user profile.
2, change the parameter of calculating dynamic password.
After the I/O of CPU processor interface receives low level signal; CPU processor modification time parameter; When the dynamic password generating apparatus calculates dynamic password; Because time parameter is modified, the dynamic password of its generation can't be carried out authentication by the certificate server of bank's end, thereby can't realize subsequent operation.
3, after the receiving interface of CPU processor receives low level signal, the CPU processor is revised initial configuration, forbids that the user realizes the start operation, thereby can't realize subsequent operation.
Certainly, treating apparatus control dynamic password generating apparatus carries out self-destruction and can also adopt other to prevent that the normal modes used of user from realizing.
After the shell of dynamic password generating apparatus is opened; Switchgear breaks off, the opposite level signal of exporting when the receiving interface of treating apparatus receives with shell seal of level signal, treating apparatus control carrying out self-destruction; Can prevent that other people from obtaining user profile; Prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password, thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improved security.
Embodiment 1
But Fig. 5 shows the self-desttruction equipment synoptic diagram of dynamic password generating apparatus of the self-destruction of the embodiment of the invention one, and referring to Fig. 5, the self-desttruction equipment of dynamic password generating apparatus comprises:
The shell of dynamic password generating apparatus; CPU processor and peripheral circuit; Wherein the CPU processor comprises the I/O interface; First solder joint of switchgear connects power supply through resistance R 1, and the I/O interface of CPU processor connects second solder joint of switchgear, and second solder joint of switchgear is through resistance R 2 ground connection.Link to each other through thin wire between first solder joint of switchgear and second solder joint.
Wherein thin wire generally can adopt copper wire, and the shell of thin wire and dynamic password generating apparatus is fixed, and can adopt the mode of stickup usually.
Under normal circumstances; First solder joint of the switchgear of dynamic password generating apparatus is connected through thin wire with second solder joint; Be closure state, at this moment, because the dividing potential drop effect of resistance R 1 and resistance R 2; Level output unit output high level signal, the I/O interface of CPU processor receives high level signal.
After the shell of dynamic password generating apparatus is opened; Thin wire ruptures at once; Be first solder joint and second solder joint of cut-off switch device, thus being connected of the I/O interface of deenergization and CPU processor, at this moment; Level output unit output low level signal, the I/O interface of CPU processor receives low level signal.
After the I/O of CPU processor interface received low level signal, CPU processor control dynamic password generating apparatus carried out self-destruction.
After the shell of dynamic password generating apparatus is opened; Switchgear breaks off, the low level signal of the I/O interface receiving key device output of CPU processor, and CPU processor control dynamic password generating apparatus carries out self-destruction; Can prevent that other people from obtaining user profile; Prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password, thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improved security.
Embodiment 2
But Fig. 6 shows the self-desttruction equipment synoptic diagram of dynamic password generating apparatus of the self-destruction of the embodiment of the invention two, and referring to Fig. 6, the difference of present embodiment and embodiment one is:
Be connected through thin wire between first solder joint of switchgear and second solder joint, fixed hook on the shell of dynamic password generating apparatus, behind the shell seal of dynamic password generating apparatus, this hook catches on thin wire.
After the shell of dynamic password generating apparatus is opened; Thin wire is hung up by hook; Thereby first solder joint of cut-off switch device and second solder joint, thereby being connected of the I/O interface of deenergization and CPU processor, at this moment; Level output unit output low level signal, the I/O interface of CPU processor receives low level signal.
After the I/O interface of the CPU of dynamic password generating apparatus processor received low level signal, CPU processor control dynamic password generating apparatus carried out self-destruction.
Can further guarantee after the shell of dynamic password generating apparatus is opened through present embodiment; Switchgear breaks off, after the shell of dynamic password generating apparatus is opened, because the pulling force of hook; Can be more prone to cause thin wire to break off; Thereby realize the self-destruction of dynamic password generating apparatus, prevent that other people from obtaining user profile, prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password; Thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improve security.
Embodiment 3
But Fig. 7 shows the self-desttruction equipment synoptic diagram of dynamic password generating apparatus of the self-destruction of the embodiment of the invention three, and referring to Fig. 7, the difference of present embodiment and embodiment one is:
The employing push switch of switchgear, after the shell of dynamic password generating apparatus was closed, switch was pressed, thus first solder joint of coupling cock device and second solder joint.
After the shell of dynamic password generating apparatus is opened; Switchgear flicks; Thereby first solder joint of cut-off switch device and second solder joint, thereby being connected of the I/O interface of deenergization and CPU processor, at this moment; Level output unit output low level signal, the I/O interface of CPU processor receives low level signal.
After the I/O interface of the CPU of dynamic password generating apparatus processor received low level signal, CPU processor control dynamic password generating apparatus carried out self-destruction.
Can further guarantee after the shell of dynamic password generating apparatus is opened through present embodiment; Switchgear breaks off easily; Thereby realize the self-destruction of dynamic password generating apparatus more simply and easily, prevent that other people from obtaining user profile, prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password; Thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improve security.
Embodiment 4
But Fig. 8 has shown the self-desttruction equipment synoptic diagram of dynamic password generating apparatus of the self-destruction of the embodiment of the invention four, and referring to Fig. 8, the self-desttruction equipment of dynamic password generating apparatus comprises: sensor, the output terminal of sensor links to each other with the I/O interface of CPU processor.
Wherein, switchgear can adopt any switchgear among the embodiment 1-3.
Under normal circumstances, the shell of dynamic password generating apparatus is normal closed state, the output terminal output high level signal of piezoelectric sensor, and the output terminal of Boolean value output sensor is also exported high level signal, and the I/O interface of CPU processor receives high level signal.
After the shell of dynamic password generating apparatus is opened; The output terminal output low level signal of piezoelectric sensor; Because switchgear breaks off; The output terminal of Boolean value output sensor is the output low level signal also, and the I/O interface of CPU processor receives low level signal, and control dynamic password generating apparatus carries out self-destruction.
Can further guarantee after the shell of dynamic password generating apparatus is opened through present embodiment; The direct output low level signal of sensor; Thereby realize the self-destruction of dynamic password generating apparatus more simply and easily, prevent that other people from obtaining user profile, prevent that perhaps the dynamic password generating apparatus from generating correct dynamic password; Thereby can prevent other people from obtaining the dynamic password generating apparatus and lose property, improve security.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a level output unit is characterized in that, is used for cooperating with the shell of dynamic password generating apparatus, realize that said shell is opened after, the opposite level signal of level signal that output terminal output is exported during with said shell seal.
2. device according to claim 1 is characterized in that, said level output unit comprises: sensor and/or switchgear.
3. device according to claim 2; It is characterized in that; First interface of said switchgear connects power supply through first partial pressure device, and second interface of said switchgear is through the second partial pressure device ground connection, and the output terminal of said switchgear connects said second interface.
4. device according to claim 3 is characterized in that, when said shell seal, is connected through thin wire between first interface of said switchgear and second interface, and said thin wire is fixedly connected with said shell.
5. device according to claim 3 is characterized in that, when said shell seal, is connected through thin wire between first interface of said switchgear and second interface, and said thin wire links to each other with hook on being fixed on said shell.
6. device according to claim 3 is characterized in that, when said shell seal, is connected through push switch between first interface of said switchgear and second interface, and said push switch is communicated with by said shell extruding.
7. device according to claim 2 is characterized in that, said sensor is provided with by said shell extruding.
8. device according to claim 2 is characterized in that, said sensor cooperates with said shell through said shell extruding switchgear.
9. but the dynamic password generating apparatus of a self-destruction; Comprise: shell; It is characterized in that, also comprise: like the described level output unit of claim 1-8, and the high-low level Signal Processing device that receives output; The receiving interface of said treating apparatus connects the output terminal of said level output unit; When said shell is opened, the output of said treating apparatus incoming level output unit with said shell seal the time the opposite level signal of level signal exported, control said dynamic password generating apparatus and carry out self-destruction.
10. the self-destruction method of a dynamic password generating apparatus is characterized in that, comprises the steps:
Take the shell of dynamic password generating apparatus apart, treating apparatus receive as the described level output unit output of claim 1-8 with said shell seal the time the opposite level signal of level signal exported;
Treating apparatus control dynamic password generating apparatus carries out self-destruction.
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| CN2012102041295A CN102750481A (en) | 2012-06-15 | 2012-06-15 | Level output device, self-destructible dynamic password generating device and self-destroying method |
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Address after: 100083 Beijing, Haidian District Road, No. 38, B block, 1810 Applicant after: Tendyron Technology Co., Ltd. Address before: 102211 Beijing city Changping District Baishan town 100 Ge Road No. 9 Building No. 2 hospital Applicant before: Tendyron Technology Co., Ltd. |
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Application publication date: 20121024 |