Background technology
The seriousness of credit card robber brush and false I.D., passport makes annual huge people, the material resources of must spending of bank and government bodies in case the criminal offence of class here.Yet, the secret mode of traditional data, for example (Personal Identification Number, PIN) and password, not only easy crack also can make the consumer must keep relevant numeral firmly in mind to Personal Identification Number.Therefore, just become a kind of method of most economical material benefit as key by individual's biological characteristic, the particularly long-time stability of fingerprint feature point and convenience, make and utilize fingerprint biological identification card, become an important techniques developing goal to replace traditional credit card, personal identity card, passport and medical health care card etc.
Lofberg is at United States Patent (USP) the 4th, 582, disclosed the notion of this a kind of device in No. 985 communiques.The lateral dimension of this kind device is same as general credit card at present, and it mainly comprises a fingerprint sensing device and one group of signal reads and judging circuit.Fingerprint that the fingerprint sensing device is read and the fingerprint data that stores in advance thus can be judged holder's identity.Yet this device only can provide indicator (such as LED) to confirm whether the card holder is the card holder that process is authorized, and its meaning person also can reach counterfeit purpose as long as drive an indicator on false the card.
People such as Gullman are at United States Patent (USP) the 5th, 280, disclosed another kind of method in No. 527 communiques, just except original biological identification, more increase a kind of time dependent mess code and produced formula, the fingerprint data that connection confirming is crossed, produce the set of number of representing personal identification, decode according to this numeral by host computer system more at last and/or decipher, to produce one group of fixed code (fixed code) and a modifying factor (correction factor) is confirmed identity, so can solve the shortcoming of Lofberg invention.Yet its disclosed implementation method must be carried out complicated deciphering and/or decoding action in host computer system, has increased the weight of the load of host computer system, also can drag the processing speed of slow host computer system.Simultaneously, the program of personal authentication is to see through the operator with digital recording shown on the card and entry terminal system, not only make mistakes easily, simultaneously in whole process, there is no active communication (interaction) between device for identifying and terminal system, for example: how with individual's data I.D.Data) inform terminal system etc.
Lane has disclosed another kind of manner of execution at United States Patent (USP) the 5th, 280 in No. 527 communiques, through the communicating device of magnetic stripe conduct with host computer system, effectively solves the shortcoming of people's inventions such as Gullman.Yet the data that magnetic stripe includes is for fixing, and same this mode also can be as existing magnetic strip credit cards, easy crack.
Simultaneously, in above-mentioned known techniques, and unmatchful its employed power supply is explained in detail.Even said apparatus contains enclosed power supply supply, but, whole fingerprint comparison satisfies the permanent use that slimline battery that this card uses still can't support product because needing sizable electrical source consumption (greater than 100mA) to make.For example, credit card or I.D. are generally credit card or the I.D. that changed once in several years and manufactured according to above-mentioned technology and can't have so permanent serviceable life.
Embodiment
Fig. 1 and the 2 card form biological identification schematic representation of apparatus that show according to first and second embodiment of the present invention.Shown in Fig. 1 and 2, mainly comprise a biological sensor 5 or 5a, a wireless transceiver 7, a rechargeable type battery 8, a connector 9, a display 11, a power switch 12 and an antifalsification label 20 from the outward appearance element as can be seen of card form biological identification device 4 of the present invention.The length of this card form biological identification device 4 and width can be made into the size (85mm*5mm) of general credit card identical, if and electronic component that these card form biological identification device 4 inside are comprised and display adopt general common printed circuit board (PCB) assembling mode, then its thickness thickness (about 0.8mm) that can be made into than general credit card or smart card (smart card) comes thickly, is approximately 2~3mm.And if thickness (about 0.8mm) requirement in order to satisfy smart card then must and adopt the packaged type of COF (Chip On Film) to reach with relevant electronic component wafer wear down (the fingerprint sensing device that particularly adopts the one dimension formula is good).But the high-polymer lithium battery of the recharge that adopts among the present invention, can commercial thickness less than 0.8mm and have the use that high reserve of electricity satisfies apparatus of the present invention, therefore do not had big problem on the implementation.
In this, it can be a kind of two-dimentional formula fingerprint sensing device 5 (Fig. 1) or a kind of one dimension formula fingerprint sensing device 5a (Fig. 2) to biological sensor 5 for a kind of chip-type fingerprint sensing device (such as capacitance type fingerprint sensor).In Fig. 1, finger 30 only need contact fingerprint sensor 5 and can finish reading of fingerprint, and in Fig. 2, finger 30 needs contact fingerprint sensor 5a and slides towards the direction shown in the arrow.
Fingerprint sensing device 5 or 5a point 30 fingerprint 21 in order to read, and the fingerprint 21 that is read is compared with the fingerprint data that is stored in advance in the card form biological identification device 4 again.Because card form biological identification device 4 is an independent device for identifying, reach relevant memory body (seeing also Fig. 3) in order to the fingerprint 21 that is read is carried out the action of choosing, encrypt, deciphering and comparing of image pre-treatment, unique point or feature block so comprised the great microprocessor of arithmetic capability.Perhaps, this biological sensor 5 can also be sound sensor or numerical digit plate.
But rechargeable type battery 8 can be a kind of high-polymer lithium battery of recharge, in order to supply whole card form biological identification device 4 required electric current.In order to reach the operation efficiency of card form biological identification device 4, the spike stable power-supplying electric current of rechargeable type battery 8 must reach 100 to 150mA, and the action of handling with comparison can be finished in 1 second.
After this card form biological identification device 4 is checked the affirmation identity by the individual with the fingerprint of card earlier, utilize again built-in can be in time and/or the mess code that changes of access times produce formula and produce one and represent above-mentioned mess code of sign indicating number to be identified (can be pure digi-tal) of personal identification to produce formula such as be exposed in United States Patent (USP) the 4th, 720, No. 860 communiques, it discloses book and incorporates into for referencial use in this.
Also store this mess code in the host computer system and produce formula, in order to produce an authorization code.Above-mentioned sign indicating number to be identified can see through wireless transceiver 7 and transfer to host computer system, is checked the correctness of this sign indicating number to be identified by host computer system.Display 11 can be reflective LCD, mainly in order to the information that shows holder's operating process and show above-mentioned sign indicating number to be identified, for holder or operator as the double acknowledge correctness of checking this sign indicating number to be identified according to this authorization code.
In order to save power supply, this card form biological identification device 4 is mainly controlled the supply of power supplys by a power switch 12.In order further to discern the true and false of this card form biological identification device 4, it more can comprise an antifalsification label 20, for example full figure antifalsification label in appearance.And the mess code of this card form biological identification device 4 generation formula can also can be charged to rechargeable type battery 8 through connector 9 inputs (only can import once) of miniature (such as RS232 or USB connector etc.) or complanation and through this connector 9 voluntarily by each hair fastener unit or government unit.
Fig. 3 shows the calcspar according to card form biological identification device of the present invention and host computer system.As shown in Figure 3, whether card form biological identification device 4 of the present invention is to be one to authorize the holder in order to identification a holder to be identified of a host computer system 1 side.This host computer system 1 stores this mandate holder's a personal information and a mess code that should personal information is produced formula.Card form biological identification device 4 comprises a biological sensor 5, an operating and processing module 6, a wireless transceiver 7 and a rechargeable type battery 8.In order to reach the detailed operation function of the embodiment of the invention, card form biological identification device 4 can more comprise a connector 9, a display 11, a power switch 12 and all one's life goods and materials material read switch 13.The client computer 3 that this host computer system 1 comprises a main control end computer 2 and is communicated with main control end computer 2 and card form biological identification device 4.Operating and processing module 6 comprises a first processor 14, one second processor 16, one the 3rd processor 18 and a Power Management Unit 19 basically.First processor 14 can comprise one first memory body 15 usually, and second processor 16 can comprise one second memory body 17 usually, in order to store data.
When this distribution unit will issue this card form biological identification device 4 to this mandate holder, can and be specific to individual mess code with personal information and produce the main control end computer 2 that formula is input into this mandate holder's distribution unit simultaneously, and (be to see through the connector 9 that is connected to this operating and processing module 6 in this card form biological identification device 4, and this mess code generation formula and this personal information are sent to operating and processing module 6), operating and processing module 6 only can receive by single.Handle also to store this mess code and produce formula and this personal information, be subjected to pirate or crack avoiding.This mess code produces formula and this personal information is to be received by first processor 14 to handle and be stored in first memory body 15.In addition, see through this connector 9 and also can receive an external power source 10 these rechargeable type battery 8 chargings.
When this mandate holder takes this card form biological identification device 4, need to do to authorize the input of fossil data.For example, authorize the holder to import fossil datas such as its fingerprint, sound or signature in the distribution unit, authorize the holder after turning on the power switch 12, place magnetic field generation device top to start the built-in fossil data read switch of this device (such as magnetic reed switch reed switch) 13 in card form biological identification device 4, fossil data is authorized in 5 inputs to biological sensor then.Second processor 16 of operating and processing module 6 receives and handles this mandate fossil data, for example this mandate fossil data is carried out image pre-treatment, unique point or block acquisition and encryption, and the data storage after will encrypting again is in second memory body 17.It should be noted that and to authorize fossil data to be stored to number of times in the operating and processing module 6, and must in the time that limits, finish, with the raising security only for once.Moreover, in order to increase the degree of accuracy of identification, can in operating and processing module 6, store the mandate fossil data of many (for example 8).With present technology, if will finish the identification action of fossil data in 1 second, then second processor 16 need have the above arithmetic speed of 60MHz.
When a holder to be identified (means the effective range of wireless transmission receiver) and uses card form biological identification device 4 in client computer 3 effective ranges, at first turn on the power switch 12, so that rechargeable type battery 8 provides power supply and sees through wireless transceiver 7 simultaneously other electronic components this personal information (for example name, birthday, sex etc.) is informed this client computer 3, check and transfer as basic identity this mess code that should personal information is produced formula.If this client computer 3 finishes checking work, also return the wireless transceiver 7 of a suitable message (communication signal) to this card form biological identification device 4, be shown on the display 11, guide holder to be identified to do the fossil data input.Otherwise if data is checked and is not inconsistent, then this device is invalid.Then, holder to be identified sees through second processor 16 of biological sensor 5 its fossil datas to be identified of input (such as fingerprint, sound, signature etc.) to operating and processing module 6.Second processor 16 is handled fossil data to be identified, accesses and authorizes fossil data to decipher, and then fossil data to be identified is compared with authorizing fossil data.After judging that this fossil data to be identified meets this mandate fossil data in fact, second processor 16 impels first processor 14 to see through the 3rd processor 18 and wireless transceiver 7 output fossil datas are checked the information of success in this client computer 3, host computer system 1 and 4 in this card form biological identification device see through wireless transceiver 7 and link up synchronous accessing respectively this mess code that should personal information is produced formula, utilize this mess code to produce formula and produce an authorization code.Simultaneously, this first processor 14 according to this mess code produce formula produce and export a sign indicating number to be identified and check, the information of checking success can be shown on the display 11.And the present invention can avoid an artificial operating mistake in river through reaching synchronously as communication initiatively between wireless transceiver 7 and host computer system.It should be noted that this host computer system 1 can also be after receiving for the first time the personal information that this card form biological identification device 4 exported, begin to access this mess code corresponding to this personal information and produce formula and await orders.Moreover above-mentioned basic document checking work can also be adjusted according to circumstances.And wireless transceiver 7 of the present invention also can be connected with host computer system 1 through transmitting indirectly, for example sees through mobile phone or Wi-Fi and links, and this also is the elasticity in apparatus of the present invention use and popularizes characteristic.
This sign indicating number to be identified also can see through the 3rd processor 18 and be presented on the display 11 of the 3rd processor 18 that is connected to this operating and processing module 6, as standby double acknowledge, can judge whether this holder to be identified is this mandate holder by this sign indicating number to be identified of the visual comparison of operator and this authorization code.Repeatedly input is allowed in the input of fossil data to be identified, to allow the long-term of card form biological identification device 4 and repeatedly to use.
The wireless transceiver 7 of this card form biological identification device 4 can utilize and meet the technology of appointing standard transmission interface, river, for example infrared ray, blue bud etc.Operating and processing module 6 includes Power Management Unit 19 simultaneously, and other electronic components in the card form biological identification device 4 are made power management, can use 70-100 time at least in the hope of charging each time, avoids the puzzlement of using.It should be noted that operating and processing module 6 can be the requirement that a kind of specific use integrated circuit (ASIC) reaches microminiaturization.
In sum, the biological sensor 5 of card form biological identification device 4 of the present invention is in order to read and to export this mandate holder's a fossil data to be identified of authorizing fossil data and this holder to be identified.Operating and processing module 6 is to receive, handle and store this mess code in order to single to produce formula, this personal information and this mandate fossil data, can repeatedly receive and handle this fossil data to be identified then, and after judging that this fossil data to be identified meets this mandate fossil data in fact, see through this mess code and produce the formula generation and export a sign indicating number to be identified.Wireless transceiver 7 is in order to exporting this personal information to this host computer system 1, makes this host computer system 1 produce an authorization code according to this mess code that should personal information is produced formula.Rechargeable type battery 8 is in order to provide this operating and processing module 6, this biological sensor 5 and this wireless transceiver 7 required power supply.By this authorization code relatively with should to be identified yard, can judge whether holder to be identified is this mandate holder.
In addition, the first processor 14 of operating and processing module 6 is to receive, handle and store this mess code in order to single to produce formula and this personal information.Second processor 16 is to be communicated with this first processor 14 and this biological sensor 5, receive, handle and store this mandate fossil data in order to single, can repeatedly receive and handle this fossil data to be identified then, and after judging that this fossil data to be identified meets this mandate fossil data in fact, impel this this sign indicating number to be identified of first processor 14 outputs.The 3rd processor 18 is to be communicated with this first processor 14, in order to receive, to handle and export this personal information and a sign indicating number to be identified.Power Management Unit 19 is to be connected to this first processor 14, this second processor 16 and the 3rd processor 18, in order to make power management.
Whether the present invention also provides a kind of biological identification method, be that one of this card form biological identification device is authorized the holder in order to identification a holder to be identified who holds a card form biological identification device 4 of a host computer system 1 side.This host computer system 1 and this card form biological identification device all store this mandates holder's a personal information and a mess code that should personal information are produced formula, and this card form biological identification device 4 stores this mandate holder's a mandate fossil data.
When carrying out method of the present invention, at first read and export this holder's to be identified fossil data to an operating and processing module 6 to be identified.Then, whether conform in fact with these operating and processing module 6 processing and this fossil data to be identified of judgement with this mandate fossil data.If this fossil data to be identified conforms in fact with this mandate fossil data, then produce sign indicating number to be identified of formula generation according to this mess code that is stored in wherein by this operating and processing module 6.Then,, make this host computer system 1 produce formula and produce an authorization code to this host computer system 1 by these operating and processing module 6 these personal informations of output according to this mess code that corresponds to this personal information.By the sign indicating number to be identified of this pen relatively and this authorization code, can judge whether this holder to be identified is this mandate holder.This sign indicating number to be identified be may be displayed on the display 11 of this card form biological identification device 4, perhaps can be transferred to this host computer system 1.
In brief, this device produces the input and repeatability charging of formula and personal information except made a mess code by connector, mainly be to see through wireless transmission to send personal information (wireless transmission has also comprised encryption function) and must not contact with any terminal system, the chance of thoroughly avoiding any pirate or cracking, the design of security is provided, and the interface of wireless transmission of standard, the convenience and the confidentiality of linking up have been improved with host computer system, also having avoided the people is the chance of making a mistake, but the design of recharge, this device can be used for a long time, solved the problem of ease of use and circulation.The present invention because producing formula, mess code do not need the quite high processor of arithmetic speed to operate, so also can not cause suitable load in host computer system 1.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present invention, but not with narrow sense of the present invention be limited to the foregoing description, in the situation that does not exceed spirit of the present invention and following claim, the many variations of being done is implemented, and all belongs to scope of the present invention.