CN2818698Y

CN2818698Y - Biological key and lock

Info

Publication number: CN2818698Y
Application number: CN 200420084238
Authority: CN
Inventors: 陈鸣
Original assignee: ZHEJIANG HUALI COMMUNICATION GROUP CO Ltd
Current assignee: ZHEJIANG HUALI COMMUNICATION GROUP CO Ltd
Priority date: 2004-07-23
Filing date: 2004-07-23
Publication date: 2006-09-20
Anticipated expiration: 2014-07-23

Abstract

The utility model relates to a biological key and a biological lock matched with thereof, wherein biological characteristic information which is arranged in the biological key is emitted to the biological lock in a wireless mode; the biological characteristic information which is compared with the biological characteristic information in the biological key is arranged in the biological lock which receives information emitted by the biological key in the wireless mode. If the biological key is matched with biological lock, the biological lock is opened; if the biological key is not matched with biological lock, the biological lock can not be opened. The utility model has the advantages that only an authorized person can open a matched biological lock with the biological key; any unauthorized person can not open the biological lock even if the unauthorized person obtains the biological key; ID used for identifying the biological key, a cipher used for encrypting information and encryption algorithm are stored in each biological key. Even if communication information between the biological key and the biological lock is captured, the cipher is not easy to be decoded. One set of locksets can have a plurality of biological keys which are respectively authorized to a plurality of persons, and each person can respectively use own biological characteristics to open locks.

Description

Biological key and biological lock

Technical field:

The utility model relate to a kind of biological key and with the biological lock of its coupling, it is applicable to that all locks by thing, belong to biological lockset and make the field.

Background technology:

1, various doors, gate inhibition, strongbox (cabinet) lockset are though have the function of password unlocking.But exist not enough point: the one, Password Length is shorter, easy crack; The 2nd, password is difficult for memory, forgets easily; The 3rd, the mechanical code lock troublesome poeration; The 4th, the cipher inputting keyboard of the code-disc of mechanical code lock and electronic type coded lock is all exposed outside, in case destroyed by others, the owner of coded lock also is difficult to lock is opened.

2, IC-card lockset makes the door at some hotel guest-rooms at present.It is not enough point: the one, in a single day IC-card is lost, the door of having controlled oneself into not, and the people who obtains IC-card can enter; The 2nd, " keyhole " (card slot) of IC card lock is exposed outside, in case destroyed by others, the owner of lock also is difficult to lock is opened.

3, Fingerprint Lock, as common fingerprint safe (cabinet) lockset, advantage: the person's that only do not unblank fingerprint coincide with the fingerprint of input in lock, and lock just can be opened.It is not enough point: the one, the fingerprint sensor is exposed outside, in case destroyed by others, the owner of lock also is difficult to lock is opened; The 2nd, the fingerprint sensor is public, and is unhygienic.

4, iris lockset mainly is used in important gate inhibitions such as bank vault.It is not enough point: the one, the camera (or imageing sensor) of picked-up iris (or other image information) is exposed to be damaged outside easily, in case destroyed by others, the owner of lock also is difficult to lock is opened; The 2nd, system constitutes comparatively complicated, and cost is higher, is unfavorable for applying.

5, Telecontrol lock set: as common automobile door lock and respective remote control (remote-control key) and some other remote control Garage door lock.It is not enough point: in case biological key is lost, the person of picking up all can open corresponding car door or garage door with it easily; Remote signal is intercepted and captured easily and is palmed off.

Summary of the invention:

Purpose of design: a kind of " biological key and biological lock " is provided, the biomedical information acquisition technology of present maturation is applied to biological key and the biological information recognition technology is applied to lockset,, solve by to information encryption and decryption technology and wireless communication technique etc.

The defective that background technology exists.

Design scheme: must be that the licensee uses " biological key " (biological key that just has the wireless remote control function) supporting biological lock (lock that just has the wireless receiving function) could be opened 1; 2, " biological information " is meant: personal biology characteristics information such as fingerprint, eye iris, DNA, voice; 3, the biological information sensor is installed on the biological key that the user carries.So both health can be accomplished, safety can be accomplished again.Both made biological key fall into other people hand, others can not open lock with it; 4, all deposit one in every " biological key " and be used to identify ID of this biological key and password and the AES that information is encrypted; One cover lockset can have many " biological keys ", and licenses to a plurality of people's uses respectively; As colleague, comrade-in-arms, partner etc.; Every " biological key " can license to a plurality of people use (both: shared same the biological key of many people), as man and wife, sons and daughters, father and mother etc.; Each licensee can unblank with a plurality of biological characteristics of oneself respectively, sends corresponding information by " biological key " to lockset as any one finger in licensee's the left hand and right hand, realizes opening the purpose of the lockset that matches.The situation that can't open lockset in the time of can preventing a finger injuries or inconvenience like this takes place; The licensee uses the period of validity of " biological key " to set and to change; As the guest in hotel, after period of validity finishes, just can not re-use biological key and open door; One " biological key " can be authorized to open the relevant lockset of many handles, and the situation that can avoid needs to carry a big string key like this takes place.Can open the door of oneself with the biological key of oneself as a people, also can open the door of the strongbox (cabinet) of oneself with it; Information between biological key and the biological lock is to exchange by wireless mode, and with the identification code (ID) of the biological information that collected, this biological key and a random number through packing, encryption, send to biological lock again, very little with the identical possibility of information that guarantees to send to biological lock at every turn, in that the communication information between biological key and biological lock is intercepted and captured, also be not easy to be cracked like this.Whether biological lock will once receive and this identical packets of information before all will at first judging when receiving the packets of information that biological key sends at every turn, if identical then refusal is made unlocking action and require biological key to retransmit the information of once unblanking.Confirming that this packets of information of receiving is from original, and then packets of information is decrypted, separates package operation with corresponding algorithm, and user's biological information and biological key sign ID confirmed, making is the judgement that " who " unblanks to ask at that biological key of use, makes the respective response action again.She Ji purpose is in order to prevent that the information of unblanking is by counterfeit forgery like this.Biological lockset can write down the information of opening the door of all generations and can be connected the post processing of carrying out recorded information with other computer system.The major control device of biological lock, parts all are hidden (or only just can touch after lock is opened), so be not easy to be destroyed.Biological key constitutes, and can combine with other personal portable electronic product (as mobile phone, wrist-watch etc.).5, enciphering and deciphering algorithm explanation: this " biological key " adopts symmetry or asymmetrical information AES (comprising DES algorithm, RSA Algorithm, Pohlig-Hellman algorithm, Rabin algorithm, ElGamal algorithm or PGP algorithm etc.) the sign ID of the biological information that collected and this biological key and random number are packed and to encrypt respectively according to different application demands, sends to supporting biological lock then.The encrypted message packet that supporting biological lock adopts respective algorithms (DES algorithm, RSA Algorithm, Pohlig-Hellman algorithm, Rabin algorithm, ElGamal algorithm or PGP algorithm etc.) that biological key is sent is decrypted, unpacks.Every suit biological key and lockset have the own distinctive algorithm secret key of a cover.As adopt rivest, shamir, adelman then biological key (can many) encrypt with the algorithm PKI, and lockset is decrypted with the algorithm private key.Its technical scheme: biological key and biological lock, biological key contains sensor, message handler, program data memory, wireless launcher, power supply and the press button of human body biological characteristics information, the signal output part of biological information sensor connects the signal input part of message handler, the signal termination message handler signal end of program data memory, the signal termination message handler signal end of biological key ID, wireless transceiver receives the information of message handler, the deliver a child power end of thing key of power output end; Biological lock contains message handler, program data memory, wireless transceiver, power supply, driver and bolt-lock action actuating mechanism at least, the signal end of program data memory signal termination message handler, the signal input part that the signal output part of message handler is driver connected, the signal input part of driver signal output termination bolt-lock action actuating mechanism.Biological key is provided with positioning indicator, and biological lock is provided with keyboard, communication interface, external source interface, inner backup battery and positioning indicator.The sensor of biological information is fingerprint sensor, eye iris sensor, DNA sensor, sound transducer.The sensor of biological information, message handler, program data memory independently are respectively a device, or combination is integrated in same integrated circuit or the thick film circuit; Wireless interface transmitting-receiving device comprises rf receiver and transmitter, infrared transceiver.Method of work: biological key is built-in with biological information and is wirelessly transmitted to biological lock, biological lock be built-in with biological key in the information of the biological information that compares of biological information and the emission of wireless receiving biological key, the two coincide, biological lock is opened, misfit, biological lock is not opened.

The utility model is compared with background technology, the one, have only the licensee to use " biological key " supporting biological lock could be opened, uncommitted anyone had both made and takes biological key and also can't open biological lock, had both made biological key fall into thief's hand, also can't open lock with it; The 2nd, all deposit one in every " biological key " and be used to identify ID of this biological key and password and the AES that information is encrypted, fundamentally avoided the homogeny of biological information emission, communication information between biological key and biological lock was intercepted and captured, also be not easy to be cracked; Three is that a cover lockset can have many " biological keys ", and licenses to a plurality of people's uses respectively, and each licensee can unblank with a plurality of biological characteristics of oneself respectively; The 4th, biological lockset can write down the information of opening the door of all generations and can be connected the post processing of carrying out recorded information with other computer system, guaranteed biological lockset safety, both can prevent that the information of unblanking from by counterfeit forgery, can effectively inquire about again.The 5th, biological lock is hidden in door, be not easy to be destroyed, and biological key can combine with individual's portable electronic products, not only be convenient for carrying, and convenient the use.

Description of drawings:

Fig. 1 is the block diagram of biological key.

Fig. 2 is the block diagram of biological lock.

Fig. 3 is the schematic flow sheet of biological key and biological lock.

Concrete embodiment:

Embodiment 1: with reference to accompanying drawing 1～3.Biological key and biological lock, biological key is built-in with biological information and is wirelessly transmitted to biological lock, biological lock be built-in with biological key in the information of the biological information that compares of biological information and the emission of wireless receiving biological key, the two coincide, biological lock is opened, misfit, biological lock is not opened.Biological key contains sensor, message handler, program data memory, wireless transceiver, power supply and the press button of human body biological characteristics information, the biological information that the biological information sensor acquisition arrives is to message handler, the interim storage of program data memory is from the information of message handler, the information of biological key ID is to message handler, wireless transceiver connects the information that the breath processor that is used to collect mail is sent, or receive the information that biological lock is sent, the work of press button control biological key, power supply provides the energy for biological key; Biological lock contains message handler, program data memory, wireless transceiver, power supply, driver and bolt-lock action actuating mechanism at least, wireless transceiver receives the information that biological key is sent, or the information sent of the processor of receiving information, data in the program data memory storage lockset working programme and the course of work and various authorized users' biological information, authorize the biological key id information; Message handler is decrypted, unpacks the packets of information that biological key sends, after finishing to the judgement of information legitimacy, biological information identification, biological key ID identification, effectiveness of information judgement, driver is sent unlock instruction, and driver instruction rear drive bolt-lock action actuating mechanism is unblanked.Biological key is provided with positioning indicator, and biological lock is provided with keyboard, communication interface, external source interface, inner backup battery and positioning indicator.Biological key ID is recorded in the card, and then inserts in the deck of biological key.The sensor of biological information is fingerprint sensor, eye iris sensor, DNA sensor, sound transducer.The sensor of biological information, message handler, program data memory independently are respectively a device, or combination is integrated in same integrated circuit or the thick film circuit; Wireless interface transmitting-receiving device comprises rf receiver and transmitter, infrared transceiver.

Biological key principle explanation: with reference to accompanying drawing 1.Biological key is made up of following major part: 1. biological information sensor: it is one of key components of biological key, is used for gathering user's biological information.According to different application needs, this sensor can be respectively a sensor of gathering information such as fingerprint, eye iris, eyeground, DNA, sound.2. message handler (CPU or DSP): it is according to preset program, finish the biological information that sensor is gathered and carry out post processing, comprise that information dataization, condition code are extracted, encryption, or carry out operations such as password setting, information repeating transmission according to the instruction that lockset is partly sent.3. program data memory: it is the parts that are used for storing working programme and process data.After the biological information sensor was gathered the information via processing that comes and sent to lockset, data storage is the retention process data no longer, are obtained by other people in order to avoid biological key is lost back information.4. wireless transceiver (can be radio-frequency (RF) transceiver and antenna or infrared transceiver), receive the information that message handler (CPU or DSP) is sent, it is modulated according to certain agreement, and send to biological lock with wireless form (or in infrared mode) by antenna, or receive the information that the biological lock that transmits by antenna is sent, and carry out demodulation according to certain agreement, send message handler (CPU or DSP) then to and carry out subsequent treatment.5. power supply and power management: power supply is meant battery.Power management partly is responsible for realizing functions such as power conversion, protection, economize on electricity.6. key ID: every biological key all has unique constant and different and other a identification code (ID), and it together sends to biological lock with biological information after encrypting, so that the identification of biological lockset is the information that " biological key " sent.It can be solidificated in biological key inside when biological key is produced, also can biological key ID be recorded in " SIM " card with the way of similar mobile phone " SIM " card, and then insert in " biological key " corresponding deck.7. press button: be used for opening or closing " biological key ".Press button is whenever pressed once, and biological key starts and sends primary information to lockset.8. positioning indicator: refer to indicator lamp or LCD, be used to refer to the duty of biological key.

Biological lock principle explanation: with reference to accompanying drawing 2.Biological lock is made up of following major part level: 1. wireless transceiver (can be radio-frequency (RF) transceiver and antenna or infrared transceiver): receive the information that biological key is sent, it is carried out demodulation according to certain agreement, send message handler (CPU or DSP) then to and carry out subsequent treatment; Or the information sent of the processor of receiving information (CPU or DSP), it is modulated according to certain agreement and sends to biological key by antenna with wireless form (by infrared mode).2. message handler (CPU or DSP): it is according to preset program, finish the packets of information that biological key is sent be decrypted, unpack, to the judgement of information method, biological information identification, biological key ID identification, effectiveness of information judge, unlock instruction sends, and work such as lockset setting, status information processing.3. program data memory: be used for storing data in the lockset working programme and the course of work, and various authorized users' biological information, authorize information such as biological key ID.4. driver module (device): when message handler (CPU or DSP) receives unblank request and the corresponding information that biological key is sent, and to make be just to send unlocking signal to driver module after the effectively legal judgement, driver module to this signal amplify, conversion etc. handles the corresponding bolt-lock action actuating mechanism of rear drive, thereby realizes unlocking action.5. bolt-lock action actuating mechanism: be meant and under the control of telecommunications breath, carry out mechanical action that the device of the purpose that realizes unblanking is as electromagnetic switch, electromagnetic valve, motor etc.6. keyboard: be used to carry out artificial information input.Keyboard is arranged on the public can not touch position (as the inboard of door), or only just can touch place (as the inside of strongbox or automobile) when lockset is in open mode.7. positioning indicator; Refer to indicator lamp or LCD, light-emitting diode display etc., be used to refer to the duty and the various information indicating of lockset.8. communication interface: be used for carrying out the interface of information communication, as USB interface, RS232 interface, 1394 interfaces, RS422 interface, RS485 interface etc. with other computer system.9. built-in power and power management: built-in power refers to battery, accumulate pond, storage battery etc., is required when guarding against the externally fed system to break down; Power management partly is responsible for realizing functions such as power conversion, protection, economize on electricity.10. external power source interface: be meant that lockset obtains the interface of power supply from the lockset outside.

Biological key adopts AES and algorithm secret key that the biological information gathered and identification code ID and random number of biological key are carried out sending to supporting biological lock through wireless transceiver again behind the packaging ciphering; The packets of information that its use AES of biological lock and algorithm secret key are received wireless transceiver is decrypted and unpacks, judge packets of information before being not used after, again the authorized user's that stored in the biological information received and the data storage biological information is compared, if after judging the user and being the user who is authorized to, then carry out unlocking action, otherwise refusal is unblanked.Described AES comprises symmetry algorithm and asymmetric arithmetic.

The workflow of unblanking: with biological characteristic is that people's fingerprint is an example, as follows to the procedure declaration of unblanking:

1, the preparation before using: before unblanking, by the physical characteristics collecting recording process, with licensee's physical characteristics collecting and be stored in the memory (both biological information storehouses among Fig. 2) in the lockset; Licensee's biological characteristic can be a plurality of, as the fingerprint of any one finger among the right-hand man etc.; If one has many biological keys to lockset, then every biological key has a unique difference and other identification code (ID), and the ID of the biological key that all are authorized to also is stored in the memory of lockset; Battery has been installed in the biological key; Lockset external power supply (or internal electric source) is ready.2, unblank: unblank process as shown in Figure 3.1. the user presses power knob switch on the biological key with hand, and with a finger by being placed on the fingerprint sensor.2. biological key is gathered user's finger print information automatically, and from biological key memory or SIM card, take out the sign ID of this biological key, message handler in the biological key produces a random number simultaneously, by information package, AES above-mentioned three kinds of information package is also encrypted then; 3. the packets of information crossed of packaging ciphering by the transceiver modulation after, send through sky alignment lockset; 4. the lockset that is in " preparation " state receives the packets of information that biological key is sent; 5. the message handler in the lockset is decrypted, unpacks with corresponding decipherment algorithm and cipher key pair information bag, (random number is meant the random number that randomizer takes place therefrom to decomposite finger print information, biological key ID and a random number, be the notion of a logic in CPU, produce) by software; 6. lockset by random number that this is received be stored in the lockset, the numeral of once having used in the past compares, and does the conclusion whether this information of receiving once was used; If 7. this information was used before being (both meaned may by the information that others copys), then lockset is sent out the order of receipts " retransmission of information " to biological key by transceiver.Biological key repeats from the 2nd) later action of step; If 8. this information be before from original, then all authorized users' finger print information is compared in the finger print information that will newly receive of lockset and the biological information storehouse, whether make this user is " legal " user's conclusion; If 9. judge it is " illegally " user, then the lockset refusal opens the door, and is standby to writing down for information about simultaneously; If 10. judge it is " legal " user, then the lockset processor provides the control signal of opening the door, and locking execution mechanism is made the action of opening the door; (11) lockset is " who " (user's code) with this, notes standbyly with information such as that biological key open the door, and " random number " information is noted, in order to repeat the 6th next time) when judging, uses in the step; (12) lockset turns back to " preparation " state, waits for the request of next time opening the door.

What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations only limit to explanation of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.

Claims

1, a kind of biological key and biological lock, it is characterized in that: biological key contains sensor, message handler, program data memory, wireless launcher, power supply and the press button of human body biological characteristics information, the signal output part of biological information sensor connects the signal input part of message handler, the signal termination message handler signal end of program data memory, the signal termination message handler signal end of biological key ID, wireless transceiver receives the information of message handler, the deliver a child power end of thing key of power output end; Biological lock contains message handler, program data memory, wireless transceiver, power supply, driver and bolt-lock action actuating mechanism at least, the signal end of program data memory signal termination message handler, the signal input part that the signal output part of message handler is driver connected, the signal input part of driver signal output termination bolt-lock action actuating mechanism.

2, biological key according to claim 1 and biological lock, it is characterized in that: biological key is provided with positioning indicator, and biological lock is provided with keyboard, communication interface, external source interface, inner backup battery and positioning indicator.

3, biological key according to claim 1 and biological lock is characterized in that: the sensor of biological information is fingerprint sensor, eye iris sensor, DNA sensor, sound transducer.

4, biological key according to claim 1 and biological lock is characterized in that: the sensor of biological information, message handler, program data memory independently are respectively a device, or combination is integrated in same integrated circuit or the thick film circuit; Wireless interface transmitting-receiving device comprises rf receiver and transmitter, infrared transceiver.