CN202475452U - Dynamic token provided with optical communication unit - Google Patents
Dynamic token provided with optical communication unit Download PDFInfo
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- CN202475452U CN202475452U CN 201120569109 CN201120569109U CN202475452U CN 202475452 U CN202475452 U CN 202475452U CN 201120569109 CN201120569109 CN 201120569109 CN 201120569109 U CN201120569109 U CN 201120569109U CN 202475452 U CN202475452 U CN 202475452U
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- dynamic token
- optical communication
- communication element
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- light signal
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Abstract
The utility model provides a dynamic token provided with an optical communication unit, comprising a memory unit and a microprocessor unit mutually connected, and a photosensitive unit connected with the microprocessor unit and receiving optical signals form an external device. The dynamic token provided with an optical communication unit can receive signals such as secret factors required for generating dynamic passwords, challenge problems or clock synchronization signals, etc., from the external device through optical communication, thereby providing convenience for users.
Description
Technical field
The utility model relates to the data security technical field, relates in particular to a kind of dynamic token that is provided with optical communication element.
Background technology
In the prior art, dynamic token is widely used in Net silver, enterprise's OA system login etc. as a kind of information safety device that can dynamically produce disposal password, is used to verify user's identity.But existing dynamic token is because of needs are implanted seed through the contact communication mode, so can not accomplish water-tight; Challenge response formula dynamic token particularly, the user imports challenge because of needs, so input unit need be set; Its waterproof effect can be poorer, and using to the user makes troubles.
Summary of the invention
The main purpose of the utility model is that a kind of dynamic token that is provided with optical communication element is provided, and can receive the light signal of external equipment.
The utility model proposes a kind of dynamic token that is provided with optical communication element, comprises interconnective memory cell and microprocessing unit, also comprises the photosensitive unit that is connected, receives the external equipment light signal with said microprocessing unit.
Preferably, said photosensitive unit comprises an A/D change-over circuit that is connected with microprocessing unit, first amplifying circuit that is connected with an A/D change-over circuit and the photo resistance that is connected with first amplifying circuit.
Preferably, said photosensitive unit comprises the 2nd A/D change-over circuit that is connected with microprocessing unit, second amplifying circuit that is connected with the 2nd A/D change-over circuit and the photodiode that is connected with second amplifying circuit.
Preferably, said photosensitive unit comprises the 3rd A/D change-over circuit that is connected with microprocessing unit, the phototriode that is connected with the 3rd A/D change-over circuit.
Preferably, said photosensitive unit is an infrared remote receiver.
Preferably, also comprise the light signal output unit that is connected, exports light signal with said microprocessing unit.
Preferably, said light signal output unit comprises LED, led drive circuit and current-limiting resistance, and the positive pole of said LED is connected with power supply through said current-limiting resistance, and the negative pole of said LED is connected with said led drive circuit.
Preferably, said light signal output unit comprises LED, led drive circuit and current-limiting resistance, and the positive pole of said LED is connected with said led drive circuit, and the negative pole of said LED connects through said current-limiting resistance.
Preferably,, said light signal output unit is an infrared transmitter.
Preferably, also comprise display screen and screen control module, said screen control module is connected with display screen with microprocessing unit respectively.
A kind of dynamic token that is provided with optical communication element that the utility model proposes; Can receive the external equipment signal as generating required cryptographic key factor, challenge or the clock sync signal etc. of dynamic password through optical communication; Further; Also can send various information, use to the user and brought convenience through optical communication.
Description of drawings
Fig. 1 is the structural representation that the utility model is provided with dynamic token first embodiment of optical communication element;
Fig. 2 is first structural representation that the utility model is provided with photosensitive unit among dynamic token first embodiment of optical communication element;
Fig. 3 is second structural representation that the utility model is provided with photosensitive unit among dynamic token first embodiment of optical communication element;
Fig. 4 is the 3rd structural representation that the utility model is provided with photosensitive unit among dynamic token first embodiment of optical communication element;
Fig. 5 is the structural representation that the utility model is provided with dynamic token the 3rd embodiment of optical communication element;
Fig. 6 is first circuit diagram that the utility model is provided with light signal output unit among dynamic token the 3rd embodiment of optical communication element;
Fig. 7 is the second circuit figure that the utility model is provided with light signal output unit among dynamic token the 3rd embodiment of optical communication element.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
With reference to Fig. 1, dynamic token first embodiment that the utility model is provided with optical communication element is proposed, comprising: memory cell 11, microprocessing unit 10 and photosensitive unit 12; Microprocessing unit 10 can be MCU; Or the circuit with discrete element formation of MCU function, preferably, this microprocessing unit 10 is the safety chip of built-in encryption engine; Microprocessing unit 10 is connected with photosensitive unit 12 with memory cell 11 respectively, and said memory cell 11 is controlled with photosensitive unit 12.Photosensitive unit 12 is used to receive the information that external equipment such as main frame transmit with light signal, and the information that receives is sent to microprocessing unit 10 carries out handled.
Usually dynamic token also comprises display screen 14 and screen control module 13, and display screen 14, screen control module 13 are connected with microprocessing unit successively, shows the control signal of microprocessing unit 10 or the information of photosensitive unit 12 receptions etc., and the user is checked.
With reference to Fig. 2, Fig. 3, Fig. 4, above-mentioned photosensitive unit 12 can be realized through photo resistance 121, photodiode 124 or phototriode 125.
The structural representation of photosensitive unit 12 when Fig. 2 is to use photo resistance 121; At this moment; Photosensitive unit 12 comprises photo resistance 121, first amplifying circuit 122 and an A/D change-over circuit 123; First amplifying circuit 122 is connected with an A/D change-over circuit 123 with photo resistance 121 respectively, and photo resistance 121 is used to read light signal, and first amplifying circuit 122 is used for the light signal of photo resistance 121 outputs is amplified; The one A/D change-over circuit 123 is used for the signal of first amplifying circuit, 122 outputs is carried out mould/number conversion, afterwards the digital signal of output is imported microprocessing unit 10.
The structural representation of photosensitive unit 12 when Fig. 3 is to use photodiode 124; At this moment; Photosensitive unit 12 comprises photodiode 124, second amplifying circuit 125 and the 2nd A/D change-over circuit 126; Second amplifying circuit 125 is connected with the 2nd A/D change-over circuit 126 with photodiode 124 respectively, and photodiode 124 is used to read light signal, and second amplifying circuit 125 is used for the signal of photodiode 124 outputs is amplified; The 2nd A/D change-over circuit 126 is used for the signal of second amplifying circuit, 125 outputs is carried out mould/number conversion, afterwards the digital signal of output is imported microprocessing unit 10.
The structural representation of photosensitive unit 12 when Fig. 4 is to use phototriode 127; This moment, photosensitive unit 12 comprised phototriode 127 and the 3rd A/D change-over circuit 128; Said the 3rd A/D change-over circuit 128 is connected with microprocessing unit 10 with phototriode 127 respectively; Phototriode 127 is used to read light signal, and the 3rd A/D change-over circuit 128 is used for the signal of phototriode 127 outputs is carried out mould/number conversion, afterwards the digital signal of output is imported microprocessing unit 10.
Except that photo resistance 121, photodiode 124 or the phototriode 125, alternate manner that it may occur to persons skilled in the art that such as infrared remote receiver are also applicable to present embodiment.
Present embodiment is an example with challenge formula dynamic token, and the operation principle of the dynamic token that is provided with photosensitive unit 12 is described.The main frame of present embodiment comprises equipment such as PC, portable terminal, the ATM etc. that can carry out data interaction with challenge formula dynamic token server.
Common challenge formula dynamic token need show challenge on the main frame screen; By the user this challenge is imported challenge formula dynamic token; Challenge formula dynamic token generates challenge according to the challenge of user's input, supplies the user to import main frame and carries out authentication.
For the challenge formula dynamic token that is provided with photosensitive unit 12 in the present embodiment, can directly receive the challenge of main frame output through photosensitive unit 12.When main frame need carry out authentication to the user; On the main frame screen with different brightness or brightness change information or represent the different challenge value with different colors or color change information (a plurality of challenging values are combined into a challenge; Challenging value can be character and/or numeral) mode show challenge, the corresponding challenging value of a gray scale or grey scale change information (like white corresponding 1).Challenge formula dynamic token promptly receives brightness, brightness change information, color or the color change information of main frame screen through brightness, brightness change information, color or the color change information of photosensitive unit 12 induction main frame screens through optical communication.Owing in memory cell 11, preserve the corresponding relation of brightness, brightness change information, color or color change information and challenging value; After microprocessing unit 10 receives the information of photosensitive unit 12 inputs; Preserve corresponding relation according to memory cell 11 information of photosensitive unit 12 inputs is handled, obtain challenge.Be appreciated that; Said main frame also can be modulated the brightness or the color of screen through the mode of modulation with challenge; Generation is loaded with brightness, brightness change information, color or the color change information of challenge; Challenge formula dynamic token is through brightness, brightness change information, color or the color change information of photosensitive unit 12 induction main frame screens, with the information input microprocessing unit of sensing 10, the information of microprocessing unit demodulation photosensitive unit 12 inputs; Obtain challenge; Further generate dynamic password according to the challenge that obtains, and show on display screen 14 through screen control module 13, the user reads and can import main frame behind this dynamic password and carry out authentication.
The Another Application of present embodiment is that dynamic token receives the key data that is used to generate the cryptographic key factor of dynamic password or is used to generate cryptographic key factor through photosensitive unit 12, accomplishes the importing of cryptographic key factor.
Be appreciated that when dynamic token receives the synchronised clock of dynamic token server through photosensitive unit 12, can also carry out the clock synchronization between dynamic token and the dynamic token server.
With reference to Fig. 1; Dynamic token second embodiment that the utility model is provided with optical communication element has also been proposed; On the basis of first embodiment; Said display screen 14 can be exported brightness, brightness change information, color and/or the color change information that is loaded with the data that dynamic token need export under the control of screen control module 13; This information can be that the brightness and/or the color of the screen of the data-modulated dynamic token that will export of the microprocessing unit 10 of dynamic token generates; Said modulation system can be amplitude modulation(PAM), phase modulated or frequency modulation(FM), and the data that said dynamic token need be exported can be cryptographic key factor or the key data that is used to generate cryptographic key factor, and this cryptographic key factor can be used to generate dynamic password.
Present embodiment is on the first embodiment basis; Realized the bidirectional optical of dynamic token; Not only can receive the light signal of external equipment, the display screen 14 that also can carry through dynamic token is as required simultaneously exported light signal to external equipment, uses to the user to bring great convenience.
With reference to Fig. 5; Dynamic token the 3rd embodiment that the utility model is provided with optical communication element is proposed; On the basis of first embodiment, also be provided with light signal output unit 15, light signal output unit 15 is connected with microprocessing unit 10; Receive the information of microprocessing unit 10, and send this information to external equipment through light signal.
With reference to Fig. 6, Fig. 7; Light signal output unit 15 comprises led drive circuit 151, LED152 and current-limiting resistance R, and shown in Figure 6 is a circuit diagram of light signal output unit 15, and the positive pole of LED152 connects power supply VCC through current-limiting resistance R; The negative pole of LED152 connects led drive circuit 151; Led drive circuit 151 is connected with microprocessing unit 10, receives the control signal of microprocessing unit 10, and outwards sends light signal according to this control signal driving LED 152.
Shown in Figure 7 is another circuit diagram of light signal output unit 15; The positive pole of LED152 connects led drive circuit 151; The negative pole of LED152 is through current-limiting resistance R ground connection; Led drive circuit 151 is connected with microprocessing unit 10, receives the control signal of microprocessing unit 10, and outwards sends light signal according to this control signal driving LED 152.
Except that LED152, the alternate manner that it may occur to persons skilled in the art that is applicable to present embodiment too as sending light signal through infrared transmitter.
Present embodiment is on the first embodiment basis; Realized the bidirectional optical of dynamic token; Not only can receive the light signal of external equipment, also can send light signal through light signal output unit 15 is set to external equipment as required simultaneously, use to the user to bring great convenience.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification 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 utility model.
Claims (10)
1. a dynamic token that is provided with optical communication element comprises interconnective memory cell and microprocessing unit, it is characterized in that, also comprises the photosensitive unit that is connected, receives the external equipment light signal with said microprocessing unit.
2. the dynamic token that is provided with optical communication element as claimed in claim 1; It is characterized in that; Said photosensitive unit comprises an A/D change-over circuit that is connected with microprocessing unit, first amplifying circuit that is connected with an A/D change-over circuit and the photo resistance that is connected with first amplifying circuit.
3. the dynamic token that is provided with optical communication element as claimed in claim 1; It is characterized in that; Said photosensitive unit comprises the 2nd A/D change-over circuit that is connected with microprocessing unit, second amplifying circuit that is connected with the 2nd A/D change-over circuit and the photodiode that is connected with second amplifying circuit.
4. the dynamic token that is provided with optical communication element as claimed in claim 1 is characterized in that, said photosensitive unit comprises the 3rd A/D change-over circuit that is connected with microprocessing unit, the phototriode that is connected with the 3rd A/D change-over circuit.
5. the dynamic token that is provided with optical communication element as claimed in claim 1 is characterized in that, said photosensitive unit is an infrared remote receiver.
6. like each described dynamic token that is provided with optical communication element in the claim 1 to 5, it is characterized in that, also comprise the light signal output unit that is connected, exports light signal with said microprocessing unit.
7. the dynamic token that is provided with optical communication element as claimed in claim 6; It is characterized in that; Said light signal output unit comprises LED, led drive circuit and current-limiting resistance; The positive pole of said LED is connected with power supply through said current-limiting resistance, and the negative pole of said LED is connected with said led drive circuit.
8. the dynamic token that is provided with optical communication element as claimed in claim 6; It is characterized in that; Said light signal output unit comprises LED, led drive circuit and current-limiting resistance; The positive pole of said LED is connected with said led drive circuit, and the negative pole of said LED connects through said current-limiting resistance.
9. the dynamic token that is provided with optical communication element as claimed in claim 6 is characterized in that, said light signal output unit is an infrared transmitter.
10. like each described dynamic token that is provided with optical communication element in the claim 1 to 5, it is characterized in that also comprise display screen and screen control module, said screen control module is connected with display screen with microprocessing unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120569109 CN202475452U (en) | 2011-12-30 | 2011-12-30 | Dynamic token provided with optical communication unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120569109 CN202475452U (en) | 2011-12-30 | 2011-12-30 | Dynamic token provided with optical communication unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475452U true CN202475452U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120569109 Expired - Fee Related CN202475452U (en) | 2011-12-30 | 2011-12-30 | Dynamic token provided with optical communication unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447560A (en) * | 2011-12-30 | 2012-05-09 | 深圳市文鼎创数据科技有限公司 | Dynamic token with optical communication unit |
| CN107408167A (en) * | 2015-04-14 | 2017-11-28 | 英特尔公司 | Perform the seamless certification of user |
| CN112000946A (en) * | 2019-05-27 | 2020-11-27 | 株洲中车时代电气股份有限公司 | Password generation method and device for electrical equipment |
-
2011
- 2011-12-30 CN CN 201120569109 patent/CN202475452U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447560A (en) * | 2011-12-30 | 2012-05-09 | 深圳市文鼎创数据科技有限公司 | Dynamic token with optical communication unit |
| CN107408167A (en) * | 2015-04-14 | 2017-11-28 | 英特尔公司 | Perform the seamless certification of user |
| CN112000946A (en) * | 2019-05-27 | 2020-11-27 | 株洲中车时代电气股份有限公司 | Password generation method and device for electrical equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170330 Address after: 100000 room 703-710, room B3, Huayuan Road, Haidian District, Beijing, 7 Patentee after: Beijing Minghua Alliance Technology Co., Ltd. Address before: 518057 Shenzhen, Guangdong, Nanshan District hi tech Zone, Shenzhen Software Park building, room 4, Room 403 Patentee before: Shenzhen Wendingchuang Data Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20181230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |