CN104727658A - Intelligent lock, intelligent key and control method and device thereof - Google Patents
Intelligent lock, intelligent key and control method and device thereof Download PDFInfo
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- CN104727658A CN104727658A CN201510037901.2A CN201510037901A CN104727658A CN 104727658 A CN104727658 A CN 104727658A CN 201510037901 A CN201510037901 A CN 201510037901A CN 104727658 A CN104727658 A CN 104727658A
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Abstract
The invention provide an intelligent lock, an intelligent key and a control method and device thereof. The control method of the intelligent lock comprises the steps of generating a verification plaintext sequence and sending the verification plaintext sequence to the intelligent key; receiving first ciphertext data sent by the intelligent key, wherein the first ciphertext data are generated by carrying out encryption calculation on the verification plaintext sequence through the intelligent key according to an ID number of the intelligent key; verifying the first ciphertext data according to the verification plaintext sequence and an ID number, the same as the ID number of the intelligent key, in the intelligent lock; opening a mechanical door lock of the intelligent lock after passing the verification to the first ciphertext data. According to the technical scheme of the intelligent lock, the intelligent key and the control method and device of the intelligent lock and the intelligent key, the unique ID number corresponding to the intelligent key is used to serve as verification basis to carry out unlocking verification on the intelligent lock and the intelligent key, and the safety that the intelligent lock verifies the intelligent key can be improved.
Description
Technical field
The present invention relates to smart lock technical field, more specifically, relate to smart lock, Intelligent key and control method thereof and device.
Background technology
Intelligent lock system is the high-tech product faced the future based on the advanced technology such as computer technology and network service, is mainly used in the application scenarios such as bank's security protection, video monitoring, signal light control, electrically driven curtain control, video doorbell.
At present, the intelligent lock system in market mainly contains intelligent card door lock system, fingerprint gate lock system, coding lock system.Although these door lock forms are different, its operating principle is substantially identical, is all by identifying that the method for key is unblanked.Such as: intelligent card door lock system needs to carry smart card and to swipe the card the key entered, but smart card easily damages and loses, and causes its safety to reduce; Though fingerprint gate lock system is without the need to carrying with key, but it is lower that shortcoming is discrimination, and the person that needs Fingerprint Identity gathers fingerprint in person just can unblank, complex operation, if simultaneously the fingerprint of other people person that obtains Fingerprint Identity, will open fingerprint gate lock easily; Coding lock system need user to remember password just can be unblanked, user easily forgets Password, therefore higher to the requirement of user, and the password and password is easily stolen, reduces the safety of coding lock system.
PKE (Passive Keyless Entry, entering without key) smart lock is a kind of keyless access system, be used on superior automobile door-locking system the earliest, and can compatible mechanical formula key door-opening mode, it is by identification and the Intelligent key in specified scope is verified to the switch of the mechanical door lock realized smart lock.
But in prior art in PKE intelligent lock system, smart lock and Intelligent key unblank in proof procedure, often not unique to the checking foundation of Intelligent key, therefore unblanking in proof procedure, smart lock easily carries out errors validity to illegality equipment and opens the mechanical door lock of smart lock, thus greatly reduces the safety of intelligent door lock.
In sum, how can improve smart lock and current those skilled in the art technical problem urgently to be resolved hurrily is become to the safety that Intelligent key is verified.
Summary of the invention
The object of this invention is to provide a kind of control program of smart lock, to solve in the prior art introduced in background technology smart lock to checking in the proof procedure of unblanking of Intelligent key according to not unique, the smart lock brought easily carries out errors validity, causes the problem that safety reduces.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The invention provides a kind of control method of smart lock, described smart lock is built-in with No. ID, at least one identification mark, and described method comprises:
Generate checking expressly sequence, and send described checking expressly sequence to Intelligent key; Receive the first encrypt data that described Intelligent key sends, described first encrypt data is that described Intelligent key is encrypted calculating generation according to self No. ID to described checking plaintext sequence; According to No. ID identical with described Intelligent key No. ID in described smart lock and describedly verify that expressly described in sequence pair, the first encrypt data is verified; After described first encrypt data is verified, open the mechanical door lock of described smart lock.
Preferably, describedly checking is carried out to described first encrypt data comprise: verify that expressly sequence is encrypted according to No. ID identical with described Intelligent key No. ID in described smart lock calculate generation second encrypt data to described, described second encrypt data is identical with described first encrypt data computations mechanism; Described first encrypt data and described second encrypt data are compared; When described first encrypt data is identical with described second encrypt data, determine that described first encrypt data is verified.
Preferably, described checking plaintext sequence is random data.
Preferably, also comprised before generating checking plaintext sequence: generate corresponding wake-up signal and broadcast wakeup signals according to No. ID that reads, described wake-up signal carries No. ID of described smart lock; Receive the checking enabling signal of the described Intelligent key feedback be waken up, No. ID that carries described Intelligent key in described checking enabling signal, described checking enabling signal by described Intelligent key determine No. ID in described wake-up signal identical with No. ID of described Intelligent key self time produce; When No. ID of No. ID entrained by described checking enabling signal and described smart lock identical, perform the described step generating checking expressly sequence.
Preferably, described according to reading No. ID generates corresponding wake-up signal broadcast wakeup signals, comprising: No. ID that reads described smart lock successively; According to the reading order of described No. ID broadcast and described No. ID corresponding wake-up signal; When receiving the checking enabling signal that Intelligent key sends, described wake-up signal of going off the air.
Also proposed a kind of control method of Intelligent key according to a second aspect of the invention, described Intelligent key has No. ID, identification mark, and described method comprises: receive the checking expressly sequence that smart lock sends; No. ID, the identification mark according to Intelligent key is encrypted calculating generation first encrypt data to described checking plaintext sequence; Described first encrypt data is sent to described smart lock, corresponding with described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified is utilized to make described smart lock, and after being verified, open the mechanical door lock of described smart lock.
Preferably, also comprise: receive the wake-up signal that described smart lock sends, described wake-up signal carries No. ID of described smart lock; Judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key; When entrained by described wake-up signal No. ID number identical with described Intelligent key self ID, send checking enabling signal to described smart lock, described checking enabling signal carries No. ID of described Intelligent key.
Also proposed a kind of control device of smart lock according to a third aspect of the invention we, described smart lock is built-in with No. ID, at least one identification mark, and described device comprises: generation unit, for generating checking expressly sequence; First transmitting element, for sending described checking expressly sequence to Intelligent key; First receiving element, for receiving the first encrypt data that described Intelligent key sends, described first encrypt data is that described Intelligent key is encrypted calculating generation according to self No. ID to described checking plaintext sequence; Authentication unit, for according to No. ID identical with the ID of described Intelligent key in described smart lock and describedly verify that expressly described in sequence pair, the first encrypt data is verified; Open unit, for after being verified described first encrypt data, open the mechanical door lock of described smart lock.
Preferably, described authentication unit specifically comprises: computation subunit, for verifying that expressly sequence is encrypted according to No. ID identical with described Intelligent key No. ID in described smart lock calculate generation second encrypt data to described, described second encrypt data is identical with described first encrypt data computations mechanism; Relatively subelement, for comparing described first encrypt data received and described second encrypt data; Determine subelement, for when described first encrypt data is identical with described second encrypt data, determine that described first encrypt data is verified.
Preferably, described checking plaintext sequence is random data.
Preferably, described generation unit, also for generating corresponding wake-up signal according to No. ID that reads, described control device also comprises: the second transmitting element, and for broadcast wakeup signals, described wake-up signal carries No. ID of described smart lock; Second receiving element, for receiving the checking enabling signal of described Intelligent key feedback, No. ID that carries described Intelligent key in described checking enabling signal, described checking enabling signal by described Intelligent key determine No. ID in described wake-up signal identical with No. ID of described Intelligent key self time produce; Judging unit, for judge No. ID of described smart lock whether identical with No. ID entrained by described checking enabling signal, when No. ID of No. ID entrained by described checking enabling signal and described smart lock is identical, generate checking expressly sequence by described generation unit.
Preferably, described generation unit, specifically for reading No. ID of described smart lock successively, according to the reading order of described No. ID, generates and described wake-up signal according to described No. ID; Described second transmitting element specifically for broadcast described wake-up signal and receive when described second receiving element described Intelligent key send checking enabling signal time, described wake-up signal of going off the air.
Also proposed a kind of control device of Intelligent key according to a forth aspect of the invention, described Intelligent key has No. ID, identification mark, and described device comprises: the first receiving element, for receiving the checking expressly sequence that smart lock sends; Generation unit, for No. ID according to described Intelligent key, is encrypted described checking plaintext sequence and calculates generation first encrypt data; First transmitting element, for sending described first encrypt data to described smart lock, corresponding with described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified is utilized to make described smart lock, and after being verified, open the mechanical door lock of described smart lock.
Preferably, also comprise: the second receiving element, for receiving the wake-up signal that described smart lock sends, described wake-up signal carries No. ID of described smart lock; Judging unit, for judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key; Second transmitting element, for judge when described judging unit No. ID entrained by described wake-up signal identical with No. ID of described Intelligent key time, send checking enabling signal to described smart lock, described checking enabling signal carries No. ID of described Intelligent key.
Also propose a kind of smart lock according to a fifth aspect of the invention, comprising: integrated circuit IC-card, be provided with No. ID, identification mark, described smart lock carries out corresponding by described No. ID with described Intelligent key; IC-card draw-in groove, described IC-card is arranged in described IC-card draw-in groove pluggablely; And, the control device of the smart lock as described in above-mentioned any one technical scheme.
Also proposed a kind of Intelligent key according to a sixth aspect of the invention, comprise: No. ID, identification mark, No. ID, described identification mark is corresponding with in described smart lock No. ID, often Intelligent key is had unique No. ID, described Intelligent key pass through described No. ID corresponding with smart lock; And, the control device of the Intelligent key as described in above-mentioned any one technical scheme.
Can be drawn by the above-mentioned course of work, the control program of smart lock provided by the invention, by use corresponding identification unique with Intelligent key identify No. ID as verify foundation realize smart lock to Intelligent key unblank verify.The first encrypt data simultaneously sent according to No. ID identical with No. ID, Intelligent key in smart lock and the checking plaintext sequence pair Intelligent key that generates is verified, smart lock only to be unblanked checking to No. ID identical Intelligent key, prevent from unblanking to verify to other Intelligent key, and then avoid the mechanical door lock of fault open smart lock, thus improve the safety of smart lock, wherein, No. ID, the identification of each Intelligent key is different with No. ID, the identification of other Intelligent key.Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the control method of a kind of smart lock shown in the present invention one exemplary embodiment;
Fig. 2 is the flow chart of a kind of cryptogram validation method shown in the present invention one exemplary embodiment;
Fig. 3 is the flow chart of the control method of the another kind of smart lock shown in the present invention one exemplary embodiment;
Fig. 4 is the flow chart of a kind of awakening method shown in the present invention one exemplary embodiment;
Fig. 5 is the flow chart of the control method of a kind of Intelligent key shown in the present invention one exemplary embodiment;
Fig. 6 is the flow chart of the awakening method of a kind of Intelligent key shown in the present invention one exemplary embodiment;
Fig. 7 is the structure chart of the control device of a kind of smart lock shown in the present invention one exemplary embodiment;
Fig. 8 is the structure chart of a kind of authentication unit shown in the present invention one exemplary embodiment;
Fig. 9 is the structure chart of the control device of a kind of smart lock shown in the present invention one exemplary embodiment;
Figure 10 is the structure chart of the control device of a kind of Intelligent key shown in the present invention one exemplary embodiment;
Figure 11 is the structure chart of the control device of a kind of Intelligent key shown in the present invention one exemplary embodiment;
Figure 12 is the hardware frame figure of a kind of intelligent lock system shown in the present invention one exemplary embodiment;
Figure 13 is the structural representation of a kind of IC many cards read module circuit board shown in the present invention one exemplary embodiment;
Figure 14 is the anti-interference schematic diagram of wireless many Intelligent key shown in the present invention one exemplary embodiment;
Figure 15 is the smart lock of the present invention one exemplary embodiment and many combinatorial topologies figure of Intelligent key.
Detailed description of the invention
The control program of the smart lock that the embodiment of the present invention provides, solve in the smart lock and Intelligent key identifying introduced in background technology the checking foundation unblanking to verify not unique, the smart lock brought easily carries out errors validity, causes the problem that safety reduces.
Technical scheme in the embodiment of the present invention is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Please refer to the flow chart that accompanying drawing 1, Fig. 1 is the control method of a kind of smart lock shown in the present invention one exemplary embodiment.The control method of the smart lock that the embodiment of the present invention provides, be applicable to the smart lock being built-in with No. ID, identification mark, as shown in Figure 1, the control method of described smart lock comprises:
Step S110, generates checking expressly sequence, and sends described checking expressly sequence to Intelligent key.
Described checking expressly sequence can be random data or rolling code, to improve the safety of proof procedure of unblanking, such as: checking expressly sequence can be a string random number sequences with predetermined length scope produced according to the identification marking of self by smart lock, and the identification marking of this random number sequences, local zone time and smart lock self etc. is carried out being combined into checking expressly sequence according to ad hoc fashion, be sent to Intelligent key, carry out identification checking for it.Wherein, high-frequency signal can be used to send described checking expressly sequence.
Step S120, receives the first encrypt data that described Intelligent key sends.
First encrypt data is that described Intelligent key is encrypted calculating generation according to self ID number to the checking plaintext sequence that described smart lock sends, and Intelligent key is identical with the calculating encryption mechanism of smart lock in the process.
Step S130, according to No. ID identical with Intelligent key No. ID in smart lock and verify that expressly sequence pair first encrypt data is verified.
Multiple No. ID may be preserved in smart lock, checking plaintext sequence pair first encrypt data using identical with No. ID of Intelligent key No. ID and smart lock self to generate due to smart lock is verified, because aforementioned intelligent lock is identical with the computations mechanism of Intelligent key, therefore, by use identical No. ID and identical checking expressly sequence can successfully verify the first encrypt data.
Step S140, after being verified the first encrypt data, opens the mechanical door lock of smart lock.
The control method of the smart lock that the present embodiment provides, by use corresponding identification unique with Intelligent key identify No. ID as verify foundation carry out smart lock and Intelligent key unblank verify, verify the uniqueness of foundation in the proof procedure that can ensure to unblank.Simultaneously smart lock is verified the encrypt data that Intelligent key sends according to identical No. ID of No. ID, self and Intelligent key, ensure that the encrypt data that smart lock is merely able to No. ID Intelligent key identical with No. ID, smart lock sends correctly unblanks to verify, prevent from unblanking to verify from No. ID different illegality equipment in smart lock to No. ID, the situation of the fault open mechanical door lock caused, thus substantially increase the safety of smart lock, wherein No. ID of each Intelligent key different from No. ID of other any one Intelligent key.
Preferably, the checking plaintext sequence that middle smart lock embodiment illustrated in fig. 1 generates can be random data.
Alternatively, checking expressly sequence can produce at random, when there is illegality equipment by intercepting and capturing the first encrypt data of this Intelligent key transmission, then this first encrypt data is forwarded to smart lock, gain smart lock by cheating when opening the mechanical door lock of self, because previous smart lock carried out to Intelligent key checking of unblanking, therefore smart lock is verified by regenerating different checkings the first encrypt data that expressly the above-mentioned illegality equipment of sequence pair forwards.Due to the checking that regenerates, expressly sequence is different with the checking plaintext sequence that the first encrypt data that illegality equipment is intercepted and captured uses, and therefore smart lock to this illegality equipment authentication failed, thus will reduce the possibility of illegality equipment unlatching smart lock.Simultaneously when smart lock receives the encrypt data of other Intelligent key transmission, owing to using the checking different from this first encrypt data expressly sequence during other Intelligent key generating ciphertext data, interference can not be caused to this Intelligent key, therefore use different checking plaintext sequences to carry out checking and can distinguish different Intelligent key, thus improve the safety of checking.
Fig. 2 is the flow chart of a kind of cryptogram validation method shown in the present invention one exemplary embodiment.As shown in Figure 2, the method can comprise the following steps:
Step S210, verifies that expressly sequence is encrypted according to No. ID corresponding with described Intelligent key in described smart lock calculate generation second encrypt data to described.
Wherein, the second encrypt data is identical with described first encrypt data computations mechanism.
Step S220, compares described first encrypt data and described second encrypt data.
If the first encrypt data is identical with the second encrypt data, then show that the Intelligent key of transmission first encrypt data is proved to be successful; Otherwise, if the first encrypt data is not identical with the second encrypt data, then show the Intelligent key authentication failed to transmission first encrypt data.
Step S230, when described first encrypt data is identical with described second encrypt data, determines that described first encrypt data is verified.
In the present invention one exemplary embodiment, smart lock can by the IC-card of the first encrypt data write self, and, using IC-card No. ID as smart lock inside No. ID, this No. ID is utilized to unblank to verify to Intelligent key, after being verified, the main control module by smart lock inside is carried out unlock operation, smart lock opens mechanical door lock by using the dead bolt of high power DC driven signal driving tool door lock.
Smart lock can adopt many draw-in grooves to design, and arranges multiple IC-cards simultaneously.The main control module of smart lock is read and write operation multiple IC-cards by universal serial bus.This design can allow smart lock carry out additions and deletions operation when not power-off to IC-card, and when IC-card is changed, the corresponding relation of the Intelligent key that generation is accurately and timely new, and without the need to restarting smart lock.
The control method of the smart lock that the present embodiment provides, because the first encrypt data is that Intelligent key uses self No. ID to be encrypted calculating generation to checking plaintext sequence, second encrypt data uses identical with No. ID of this Intelligent key No. ID and identical computations mechanism to be encrypted to calculate to this checking plaintext sequence and to generate by smart lock, therefore smart lock can by judging that whether the first encrypt data is identical with the second encrypt data, to determine whether the first encrypt data is verified, thus achieve to specific Intelligent key unblank checking, ensure that the uniqueness of checking foundation, substantially increase the safety of smart lock.In addition, the first encrypt data and the second encrypt data can use irreversible AES, thus prevent the illegality equipment getting this encrypt data to be decrypted.
Certainly, as a kind of exemplary embodiment, smart lock also can use reversible AES to verify Intelligent key, such as by using identical with Intelligent key No. ID to be decrypted operation to the first encrypt data, judge that whether the checking plaintext sequence after deciphering is identical with the checking plaintext sequence that this smart lock generates, when expressly sequence is identical with the checking plaintext sequence that this smart lock generates for the checking after deciphering, judge being verified this Intelligent key.
Please refer to Fig. 3, Fig. 3 is the flow chart of the control method of another kind of smart lock according to the present invention one exemplary embodiment.As Fig. 3, the method comprises the steps:
Step S310, broadcast wakeup signals.
Described wake-up signal is No. ID generation of reading according to described smart lock, described wake-up signal carries No. ID of described smart lock, by broadcasting described wake-up signal within the specific limits, with make the Intelligent key receiving this wake-up signal judge No. ID in this wake-up signal whether identical with No. ID of this Intelligent key, when No. ID identical, Intelligent key enters normal duty and sends checking enabling signal to smart lock.Wherein, wake-up signal can be low frequency signal, is beneficial to save electric energy, and low frequency signal has certain Decay Rate simultaneously, can work as when Intelligent key enters in the scope of certain distance and search this Intelligent key.
Step S320, receives the checking enabling signal of the described Intelligent key feedback be waken up.
No. ID that carries this Intelligent key in the checking enabling signal of Intelligent key feedback, because a lot of No. ID may be comprised in smart lock, by the checking enabling signal of No. ID of feedback packet containing this Intelligent key, smart lock can find this No. ID in self-contained multiple No. ID, to enter into the Qualify Phase of unblanking to Intelligent key; In one exemplary embodiment, smart lock being searched No. ID identical with this Intelligent key No. ID immediately, when finding identical ID, being started follow-up proof procedure of unblanking immediately after receiving checking enabling signal from possible multiple No. ID.
Step S330, when No. ID of No. ID entrained by described checking enabling signal and described smart lock identical, performs the described step generating checking expressly sequence.
Smart lock is containing the wake-up signal of self ID number by broadcast packet, can wake up No. ID with No. ID identical Intelligent key a certain in this smart lock.Simultaneously by receiving the checking enabling signal including self ID number of Intelligent key feedback, smart lock can be found and this Intelligent key No. ID identical ID in all No. ID of self comprising, to identify this Intelligent key, be beneficial to and carry out follow-up unblanking the step verified to No. ID identical Intelligent key.
Fig. 4 is the flow chart of a kind of awakening method shown in the present invention one exemplary embodiment, and for being built-in with at least one smart lock of No. ID, as shown in Figure 4, the method comprises the steps:
Step S410, reads No. ID in smart lock successively.
Step S420, according to the reading order of described No. ID, generates described wake-up signal according to described No. ID.
In smart lock, No. ID may exist multiple, by generating according to the reading order of in smart lock No. ID and broadcasting the wake-up signal corresponding with No. ID, the confusion of order when can prevent from waking Intelligent key up, such as: smart lock can use inner low frequency sending module, poll wake-up signal is sent periodically so that ID certification can be carried out by the Intelligent key in range of receiving to entering into.
Step S430, broadcast described wake-up signal and receive described Intelligent key send checking enabling signal time, described wake-up signal of going off the air.
As the present invention one exemplary embodiment: after smart lock receives the checking enabling signal sent with a certain wake-up signal No. ID corresponding Intelligent key in the given time, the wake operation to other Intelligent key will be stopped, unblanking to verify to other Intelligent key to prevent smart lock; When not receiving the checking enabling signal sent with a certain wake-up signal No. ID corresponding Intelligent key in the given time, wake-up signal will be resend.Thus ensure that the wireless communication of every a pair smart lock and Intelligent key can not be disturbed, and then ensure the real-time that Intelligent key opens the door and accuracy.
In awakening method provided by the invention, generate according to the reading order of No. ID of smart lock and in preset range broadcast wakeup signals, when can prevent from waking Intelligent key up, order is chaotic, simultaneously when receiving the checking enabling signal that Intelligent key sends, go off the air and comprise the wake-up signal of No. ID, this smart lock, can when smart lock unblanks checking to this Intelligent key, avoid receiving other Intelligent key and be waken up transmission checking enabling signal, and then interference is caused to the proof procedure of unblanking of above-mentioned Intelligent key, wherein the operation of broadcast wakeup signals will be restarted after this Intelligent key is verified, or need to select whether restart broadcast wakeup signals according to user.
Fig. 5 is the flow chart of the control method of a kind of Intelligent key according to the present invention one exemplary embodiment, and described Intelligent key is built-in with No. ID, identification mark, and as shown in Figure 5, the control method of this Intelligent key comprises:
Step S510, receives the checking expressly sequence that smart lock sends.
Step S520, No. ID according to Intelligent key is encrypted calculating generation first encrypt data to described checking plaintext sequence.
Intelligent key is encrypted calculating to generate the first encrypt data according to self No. ID to checking plaintext sequence, wherein the encryption computing method of Intelligent key is identical with the encryption computing method of smart lock, simultaneously smart lock is verified the first encrypt data by use No. ID identical with this Intelligent key, can ensure the mechanical door lock just opening this smart lock after being verified corresponding Intelligent key.
Step S530, described first encrypt data is sent to described smart lock, to make described smart lock utilize identical with No. ID of described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified, and after being verified, open the mechanical door lock of described smart lock.
As the present invention one exemplary embodiment, when Intelligent key receives the checking plaintext sequence of described smart lock transmission, No. ID that reads self, according to the cryptographic operation order flow process identical with smart lock, calculating is encrypted to checking plaintext sequence, and generating ciphertext sequence; Smart lock combines this ciphertext sequence and Intelligent key ID to obtain the first encrypt data according to communicating pair (i.e. smart lock and Intelligent key) set protocol format, and this first encrypt data is fed back to smart lock with the form of protocol massages by sending RF high-frequency signal.Smart lock receives the first encrypt data of feedback by the RF high frequency transceiver module of self, be decrypted analysis, according to the IC-card operational order of correspondence, the first encrypt data is write in IC-card, directly in IC-card, be decrypted verification operation, after being verified, the main control module by this smart lock is carried out unlock operation.
In an embodiment of the present invention, Intelligent key by self No. ID to checking expressly sequence be encrypted calculating, to generate the first encrypt data, can ensure that this first encrypt data is associated with self No. ID, namely be associated with Intelligent key self, ensure the corresponding uniqueness of encrypt data and this Intelligent key.Simultaneously, smart lock is merely able to use the ID identical with No. ID of this Intelligent key could carry out correct verification to this first encrypt data, smart lock is prevented to use identical with No. ID of other Intelligent key No. ID to carry out verifying the possibility that can pass through to this encrypt data, make smart lock be merely able to carry out correct verification operation of unblanking to this Intelligent key, thus substantially increase to Intelligent key unblank verify safety.
Fig. 6 is the flow chart of the awakening method of a kind of Intelligent key shown in the present invention one exemplary embodiment, as shown in Figure 6 before receiving the checking plaintext sequence of smart lock transmission, also comprises:
Step S610, receives the wake-up signal that described smart lock sends.
Wake-up signal carries No. ID of described smart lock, therefore can verify in this wake-up signal No. ID.
Step S620, judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key.
Step S630, when judge No. ID entrained by described wake-up signal number identical with described Intelligent key self ID time, send to described smart lock and verify enabling signal.
This checking enabling signal comprises No. ID of described Intelligent key, when in wake-up signal No. ID identical with No. ID of Intelligent key self, Intelligent key will be waken up the stage entering into and unblank to verify, then start to send to smart lock the checking enabling signal including No. ID, this Intelligent key, also enter into the stage unblanking to verify to make smart lock.
The wake-up signal of No. ID included in this smart lock that Intelligent key sends by receiving smart lock, can identify this No. ID whether identical with No. ID of Intelligent key self, thus identify the smart lock corresponding with this Intelligent key, simultaneously after recognizing the smart lock corresponding with this Intelligent key, by sending the checking enabling signal including self ID number, to tell No. ID of this Intelligent key of smart lock, thus make smart lock can find identical No. ID of No. ID, this Intelligent key in all No. ID of self comprising, to identify this Intelligent key, be beneficial to and follow-up this No. ID identical Intelligent key unblanked the step verified.
Fig. 7 is the structure chart of the control device of a kind of smart lock shown in the present invention one exemplary embodiment, and described smart lock is built-in with No. ID, at least one identification mark, and described control device comprises:
Generation unit 110, for generating checking expressly sequence.
First transmitting element 120, for sending described checking expressly sequence to Intelligent key.
Described checking expressly sequence can be random data or rolling code, to improve the safety of proof procedure of unblanking, such as: a string random number sequences with predetermined length scope that can be produced according to the identification marking of self by this smart lock, and by the ID of this random number sequences, local zone time and smart lock etc. according to ad hoc fashion carry out being combined into checking expressly sequence be sent to Intelligent key, carry out for this Intelligent key identifications and verify.Wherein, antijamming capability can be used strong and the high-frequency signal of long transmission distance to send described checking plaintext sequence.
First receiving element 130, for receiving the first encrypt data that described Intelligent key sends.
First encrypt data is that described Intelligent key is encrypted calculating generation according to self ID number to the checking plaintext sequence that described smart lock sends, and Intelligent key is identical with the calculating encryption mechanism of smart lock in the process.
Authentication unit 140, for according to No. ID identical with the ID of described Intelligent key in described smart lock and describedly verify that expressly described in sequence pair, the first encrypt data is verified.
Multiple No. ID may be preserved in smart lock, checking plaintext sequence pair first encrypt data using identical with No. ID of Intelligent key No. ID and smart lock self to generate due to smart lock is verified, simultaneously because smart lock is identical with the computations mechanism of Intelligent key, therefore, by use identical No. ID with identical checking expressly sequence can successfully verify the first encrypt data.
Open unit 150, for after described authentication unit is verified described first encrypt data, open the mechanical door lock of described smart lock.
The control device of the smart lock that the present embodiment provides, by use corresponding identification unique with Intelligent key identify No. ID as verify foundation carry out smart lock and Intelligent key unblank verify, verify the uniqueness of foundation in the proof procedure that can ensure to unblank.No. ID the first encrypt data sent Intelligent key that smart lock is identical with No. ID of Intelligent key according to self simultaneously unblanks to verify, ensure that the encrypt data that smart lock is merely able to No. ID Intelligent key identical with No. ID, smart lock sends correctly unblanks to verify, prevent to No. ID illegality equipment not identical with No. ID of smart lock unblank to verify cause open by mistake the situation opening mechanical door lock, thus substantially increase the safety of smart lock, wherein No. ID of each Intelligent key different from No. ID of other any one Intelligent key.
Fig. 8 is the structure chart of a kind of authentication unit shown in the present invention one exemplary embodiment, and described authentication unit 140 comprises:
Computation subunit 1401, for verifying that expressly sequence is encrypted according to No. ID identical with No. ID, described Intelligent key in described smart lock calculate generation second encrypt data to described.
Second encrypt data is identical with described first encrypt data computations mechanism, because the second encrypt data and the first encrypt data be all use identical No. ID with identical checking expressly sequence be encrypted calculate produce time, the mechanism of computations is also identical, so the second encrypt data will be identical with the first encrypt data.
Relatively subelement 1402, for comparing described first encrypt data and described second encrypt data.
If the first encrypt data is identical with the second encrypt data, then illustrate that the first encrypt data received is that described No. ID Intelligent key identical with No. ID, smart lock sends; Otherwise, if the first encrypt data is not identical with the second encrypt data, so illustrates that the first encrypt data is not that described No. ID Intelligent key identical with No. ID, smart lock sends, thus ensure that the safety unblanking to verify.
Determine subelement 1403, for when described first encrypt data is identical with described second encrypt data, determine that described first encrypt data is verified.
In the present invention one exemplary embodiment, first encrypt data can be written in the IC-card of self by smart lock, and, using No. ID corresponding with Intelligent key in IC-card as in smart lock No. ID, this No. ID is utilized to unblank to verify to Intelligent key, after being verified, the main control module by smart lock inside is carried out unlock operation, smart lock opens mechanical door lock by using the dead bolt of high power DC driven mechanical door lock.
The control device of the smart lock that the present embodiment provides, because the first encrypt data is that Intelligent key uses self No. ID to be encrypted calculating generation to checking plaintext sequence, second encrypt data uses identical with No. ID of Intelligent key No. ID to generate verifying that plaintext sequence is encrypted to calculate by smart lock, therefore smart lock can by judging that whether the first encrypt data is identical with the second encrypt data, to determine whether this first encrypt data is verified, thus achieve to specific Intelligent key unblank checking, ensure that the uniqueness of checking foundation, substantially increase the safety of smart lock.In addition, the first encrypt data and the second encrypt data can use irreversible AES, thus prevent other illegality equipments getting this encrypt data to be decrypted.
In the process verified Intelligent key, described checking expressly sequence can be random data.
Alternatively, checking expressly sequence can produce at random, when exist illegality equipment intercept and capture this Intelligent key send the first encrypt data, then this first encrypt data is forwarded to smart lock, gain smart lock by cheating when opening the situation of the mechanical door lock of self, because previous smart lock carried out to Intelligent key checking of unblanking, therefore smart lock is verified regenerating different checkings the first encrypt data that expressly this illegality equipment of sequence pair is intercepted and captured.Due to the checking that regenerates expressly sequence and illegality equipment lock the checking plaintext sequence used when the first encrypt data intercepted and captured generates different, therefore, smart lock to illegality equipment authentication failed, thus will reduce the possibility of illegality equipment unlatching smart lock.Simultaneously when smart lock receives the encrypt data of other Intelligent key transmission, the encrypt data generated due to other Intelligent key uses different checkings expressly sequence from the first encrypt data, interference can not be caused to this Intelligent key, therefore use different checking plaintext sequences to carry out checking and can distinguish different Intelligent key, thus improve the safety unblanking to verify.
Fig. 9 is the structure chart of the control device of a kind of smart lock shown in the present invention one exemplary embodiment, and as shown in Figure 9, the control device of this smart lock, except the unit of the embodiment shown in Fig. 7, also comprises:
Second transmitting element 160, for broadcast wakeup signals.
Described wake-up signal is No. ID generation of reading according to described smart lock, described wake-up signal carries No. ID of described smart lock, by broadcasting described wake-up signal in preset range, with the Intelligent key making to receive this wake-up signal to judge No. ID in this wake-up signal whether identical with No. ID of this Intelligent key, when No. ID identical, Intelligent key will enter normal duty and send checking enabling signal to smart lock.Wherein, wake-up signal can be low frequency signal, is beneficial to energy saving, and low frequency signal has certain Decay Rate simultaneously, can work as when Intelligent key enters in the scope of certain distance and search this Intelligent key.
Second receiving element 170, for receiving the checking enabling signal of the described Intelligent key feedback be waken up.
No. ID that carries this Intelligent key in the checking enabling signal of Intelligent key feedback, because a lot of No. ID may be comprised in smart lock, by the checking enabling signal of No. ID of feedback packet containing Intelligent key, smart lock can find this No. ID, to enter into the Qualify Phase to Intelligent key in possible multiple No. ID; In one exemplary embodiment, smart lock being searched No. ID identical with this Intelligent key No. ID immediately, when finding identical ID, being started follow-up verification operation of unblanking immediately after receiving checking enabling signal from possible multiple No. ID.
Comparing unit 180, for No. ID of more described smart lock with No. ID entrained by described checking enabling signal, when No. ID of smart lock identical with No. ID entrained by checking enabling signal, perform generation unit 110 and generate the follow-up operations unblanking to verify such as checking plaintext sequence.
Smart lock contains the wake-up signal of self ID number by broadcast packet, can wake up No. ID with No. ID identical Intelligent key a certain in smart lock, the checking enabling signal including self ID number simultaneously by receiving that the Intelligent key that is waken up feeds back, make smart lock can find No. ID identical with No. ID, this Intelligent key in all No. ID of self comprising, to identify this Intelligent key, be beneficial to and carry out follow-up unblanking the process verified to No. ID identical Intelligent key.
In the control device of the smart lock shown in Fig. 9, described generation unit 110, for reading No. ID of described smart lock successively, according to the reading order of described No. ID, generates described wake-up signal according to described No. ID.
In smart lock, No. ID may exist multiple, by generating according to the reading order of in smart lock No. ID and broadcasting and described No. ID corresponding wake-up signal, the confusion of order when can prevent from waking Intelligent key up, such as: smart lock can use inner low frequency sending module, poll wake-up signal is sent periodically so that ID certification can be carried out by the Intelligent key in range of receiving to entering into.
Described second transmitting element 160 for broadcast described wake-up signal and receive described Intelligent key send checking enabling signal time, described wake-up signal of going off the air.
As the present invention one exemplary embodiment: smart lock receives with after the checking enabling signal of a certain wake-up signal No. ID corresponding Intelligent key in the given time, the wake operation to other Intelligent key will be stopped, unblanking to verify to other Intelligent key to prevent smart lock; When not receiving the checking enabling signal sent with a certain wake-up signal No. ID corresponding Intelligent key in the given time, wake-up signal will be resend.Thus ensure that the wireless communication of every a pair smart lock and Intelligent key can not be disturbed, and then ensure the real-time that Intelligent key opens the door and accuracy.
Generate according to the reading order of No. ID of smart lock and in preset range broadcast wakeup signals, when can prevent from waking Intelligent key up, order causes confusion, simultaneously when receiving the checking enabling signal that Intelligent key sends, go off the air and comprise the wake-up signal of No. ID, smart lock, can when described smart lock carries out identification checking to this Intelligent key, avoid the checking enabling signal receiving the transmission of other Intelligent key, and then interference is caused to the identification proof procedure of above-mentioned Intelligent key.Wherein, after verifying this Intelligent key, smart lock will restart the flow process of broadcast wakeup signals, or need to select whether restart broadcast wakeup signals according to user.
Figure 10 is the structure chart of the control device of a kind of Intelligent key shown in the present invention one exemplary embodiment, and described Intelligent key is built-in with No. ID, identification mark, and described method comprises:
First receiving element 210, for receiving the checking expressly sequence that smart lock sends.
Generation unit 220, for according to No. ID of described Intelligent key to described checking expressly sequence be encrypted and calculate generation first encrypt data.
Intelligent key is encrypted calculating according to self No. ID to checking plaintext sequence and generates the first encrypt data with this, wherein the encryption computing method of Intelligent key is identical with the encryption computing method of smart lock, smart lock is by using No. ID identical with Intelligent key simultaneously, identical checking expressly this first encrypt data of sequence pair is verified, can ensure the mechanical door lock just opening this smart lock after being verified corresponding Intelligent key.
First transmitting element 230, for sending described first encrypt data to described smart lock, identical with No. ID, described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified is utilized to make described smart lock, and after being verified, open the mechanical door lock of described smart lock.
As an exemplary embodiment of the present invention, when Intelligent key receives the checking plaintext sequence of smart lock transmission, No. ID that reads self, according to the cryptographic operation order flow process identical with smart lock, calculating is encrypted to checking plaintext sequence, and generating ciphertext sequence; Smart lock combines this ciphertext sequence and Intelligent key ID to obtain the first encrypt data according to communicating pair (i.e. smart lock and Intelligent key) set protocol format, and this first encrypt data is fed back to smart lock with the form of protocol massages by sending RF high-frequency signal.Smart lock receives the first encrypt data of feedback by the RF high frequency transceiver module of self, be decrypted analysis, according to the IC-card operational order of correspondence, write the first encrypt data, directly in IC-card, be decrypted verification operation, after being verified, the main control module by this smart lock is started unlock operation.
In an embodiment of the present invention, Intelligent key by self No. ID to checking expressly sequence be encrypted calculating, to generate the first encrypt data, can ensure that this first encrypt data is associated with self No. ID, namely be associated with Intelligent key self, thus ensure the corresponding uniqueness of encrypt data and this Intelligent key.Simultaneously, smart lock is merely able to use the ID identical with No. ID of this Intelligent key could carry out correct verification to this first encrypt data, smart lock is prevented to use No. ID possibility that to this first encrypt data be verified identical with No. ID of other Intelligent key, make smart lock be merely able to carry out correct verification operation of unblanking to this Intelligent key, thus substantially increase to Intelligent key unblank verify safety.
Figure 11 is the structure chart of the control device of a kind of Intelligent key shown in the present invention one exemplary embodiment, as shown in figure 11, comprising:
Second receiving element 240, for receiving the wake-up signal that described smart lock sends, described wake-up signal carries No. ID in described smart lock.
Owing to carrying No. ID of smart lock in wake-up signal, therefore can verify in this wake-up signal No. ID.
Judging unit 250, for judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key.
Second transmitting element 260, for judge when described judging unit 250 No. ID entrained by described wake-up signal identical with No. ID of described Intelligent key time, send checking enabling signal to described smart lock, described checking enabling signal comprises No. ID of described Intelligent key.
This checking enabling signal comprises No. ID of described Intelligent key, when in wake-up signal No. ID identical with No. ID of Intelligent key self, Intelligent key will be waken up the stage entering into and verify and unblank, then start to send to smart lock the checking enabling signal including No. ID, this Intelligent key, also enter into make smart lock the stage verified and unblank.
Intelligent key is by receiving the wake-up signal including in this smart lock No. ID of smart lock broadcast, can identify this No. ID number whether identical with Intelligent key self ID, thus identify the smart lock corresponding with this Intelligent key, simultaneously after recognizing the smart lock corresponding with this Intelligent key, by sending the checking enabling signal including self ID number, to tell No. ID of this Intelligent key of smart lock, thus make smart lock can search No. ID identical with No. ID, this Intelligent key in all No. ID of self comprising, to identify this Intelligent key, be beneficial to and carry out follow-up verifying the step of unblanking to this Intelligent key.
As the present invention one exemplary embodiment, also proposed a kind of structure (not marking in figure) of smart lock, comprise: at least one integrated circuit IC-card, be built-in with No. ID, identification mark, described smart lock carries out corresponding by described No. ID with described Intelligent key; Also comprise at least one IC-card draw-in groove, described IC-card is arranged in described IC-card draw-in groove pluggablely; And as the control device of the smart lock described in any one embodiment above-mentioned.
Figure 12 is the hardware frame figure of the intelligent lock system shown in the present invention one exemplary embodiment, and as shown in figure 12, this intelligent lock system is made up of smart lock and Intelligent key two parts, wherein,
Smart lock at least comprises main control module, low frequencies module, RF high frequency transceiver module, DC driven module, IC many cards read module and power module, wherein, power module access 220V civil power, DC driven module, when the DC driven signal that the main control module receiving this smart lock sends, sends signal to open the mechanical door lock of smart lock to dead bolt actuator.
Intelligent key at least comprises control module, RF high-frequency transceiver, low frequency reception module, triaxial antennas, ID read module and battery.
In embodiment shown in Figure 12, the interaction flow of smart lock and Intelligent key is as follows:
The low frequencies module in charge of smart lock periodically sends low-frequency wake-up signal to Intelligent key, can carry out ID certification by the Intelligent key in range of receiving to entering.No. ID that comprises when this wake-up signal identical with No. ID of Intelligent key time, Intelligent key will be waken up.
The low frequency reception module in charge of Intelligent key receives low-frequency wake-up signal of smart lock transmission, and identifies according to No. ID that comprises in this wake-up signal, and the control module waking this Intelligent key self after being identified by up enters normal operating conditions.
After Intelligent key enters into normal operating conditions, the first step first sends checking enabling signal by the RF high-frequency transceiver of self to smart lock, with this, form, as " ID+0x31+0x33+CRC of 1C1F+ Intelligent key ", notifies that smart lock carries out the process unblanking to verify.Smart lock is mated No. ID of Intelligent key immediately, is read and write operation by the IC many cards read module in smart lock to IC-card corresponding with this No. ID in this smart lock after receiving checking enabling signal.According to IC-card operational order, after write " GET CHALLENGE " order, smart lock returns by the random data generator in self main control module the random number sequences that a string length is 6 to 18, this random number sequences, local zone time, smart lock ID etc. are carried out the combination of ad hoc fashion by the main control module of smart lock, be combined into checking expressly sequence, send to Intelligent key according to clear-text way by RF high frequency transceiver module.
The checking expressly sequence of the RF high-frequency transceiver reception smart lock transmission of Intelligent key, reads corresponding No. ID, according to the cryptographic operation order flow process of known No. ID, is encrypted calculating, generating ciphertext sequence to this checking plaintext sequence; The control module of Intelligent key combines No. ID of this ciphertext sequence and this Intelligent key to generate the first new encrypt data according to the protocol format that communicating pair is set, with the form of protocol massages, this first encrypt data is fed back to smart lock by the RF high-frequency transceiver of self.
Smart lock receives the first encrypt data of feedback by inner RF high frequency transceiver module, and analysis deciphering is carried out to this first encrypt data, according to the operational order of the IC-card of correspondence known above, this first encrypt data is write in self IC-card, directly in IC-card, be decrypted verification operation, after being verified, IC many cards read module by smart lock is notified that main control module carries out unlock operation, particularly, master control module controls DC driven module, direct use high power DC current signal drives dead bolt actuator to open the mechanical door lock of this smart lock.
Wherein, the structure of the IC many cards read module in smart lock as shown in figure 13, comprising: communication interface 1304 and multiple IC-card draw-in groove 1305, wherein can place an IC-card in each IC-card draw-in groove.This IC many cards read module can be connected with main control module 1303 with DC driven module 1301, RF high frequency transceiver module 1302 respectively by the communication interface 1304 of its inside.Because this smart lock adopts many IC-cards draw-in groove to design, and owing to being provided with an IC-card (not marking in figure) in each IC-card draw-in groove, therefore, the universal serial bus that the main control module 1303 of this smart lock can be connected by communicating with interface 1304 reads and write operation multiple IC-cards, the design of this multiple IC-card draw-in groove can allow smart lock carry out additions and deletions operation when not power-off to IC-card, and when IC-card is changed, accurately and timely produce the corresponding relation of new Intelligent key, and without the need to restarting smart lock.
Wherein, Intelligent key can adopt AS3932 as low frequency reception module, and this chip can receive the low-frequency excitation signal of 125K, and adopts triaxial antennas to guarantee can receive low-frequency wake-up signal in any angle.
The RF high-frequency transceiver of Intelligent key and the RF high frequency transceiver module of smart lock all can adopt microprocessor CC1110F32, CC1110F32 is a low-power consumption of American TI Company, broadband, the RF transceiving chip of integrated 51 kernels, this chip also has the AES encryption/deciphering kernel of 128.
Figure 14 is the anti-interference schematic diagram of wireless many Intelligent key shown in the present invention one exemplary embodiment, as shown in figure 14, in this embodiment, smart lock generates corresponding No. ID to the IC-card of each in self multiple IC-card draw-in groove, wake-up signal is sent according to single-threaded mode order, when receiving the checking enabling signal of corresponding Intelligent key feedback in the given time, the wake operation to other Intelligent key will be stopped.This design can ensure that the wireless communication of often pair of key and lock can not be disturbed mutually, thus ensure that the real-time that Intelligent key unblanks to verify and accuracy.
Figure 15 is the smart lock of the present invention one exemplary embodiment and many combinatorial topologies figure of Intelligent key.As shown in figure 15, smart lock and Intelligent key pass through the design of " combining " more, because smart lock can adopt many IC-cards draw-in groove to design, multiple IC-cards can be inserted, simultaneously IC-card can derive multiple different No. ID often opening of this smart lock, make smart lock only can use an IC-card, by No. ID corresponding with multiple Intelligent key on this IC-card, just can realize carrying out corresponding from different Intelligent key; And same IC-card can be able to copy when dispatching from the factory, being placed on other smart lock, above-mentionedly so many Intelligent key can being completed the corresponding of any combination with many smart locks having identical IC-card.The smart lock adopting many IC-cards draw-in groove to design can support multiple IC-cards simultaneously, therefore can support more Intelligent key, and then can adapt to various applications, and only needs to complete as plug SIM cards of mobile phones to the management of Intelligent key.Therefore above-mentioned design is one intelligent key management mode very simply and easily.
Each embodiment in this manual all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiment.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a control method for smart lock, is characterized in that, described smart lock is built-in with No. ID, at least one identification mark, and described method comprises:
Generate checking expressly sequence, and send described checking expressly sequence to Intelligent key;
Receive the first encrypt data that described Intelligent key sends, described first encrypt data is that described Intelligent key is encrypted calculating generation according to self No. ID to described checking plaintext sequence;
According to No. ID identical with described Intelligent key No. ID in described smart lock and describedly verify that expressly described in sequence pair, the first encrypt data is verified;
After described first encrypt data is verified, open the mechanical door lock of described smart lock.
2. the control method of smart lock according to claim 1, is characterized in that, describedly verifies described first encrypt data, comprising:
Verify that expressly sequence is encrypted according to No. ID identical with described Intelligent key No. ID in described smart lock calculate generation second encrypt data to described, described second encrypt data is identical with described first encrypt data computations mechanism;
Described first encrypt data and described second encrypt data are compared;
When described first encrypt data is identical with described second encrypt data, determine that described first encrypt data is verified.
3. the control method of smart lock according to claim 1, is characterized in that, described checking expressly sequence is random data.
4. the control method of smart lock according to claim 1, is characterized in that, also comprises before generation checking expressly sequence:
Generate corresponding wake-up signal according to No. ID that reads, and broadcast described wake-up signal, described wake-up signal carries No. ID of described smart lock;
Receive the checking enabling signal of described Intelligent key feedback, No. ID that carries described Intelligent key in described checking enabling signal, described checking enabling signal by described Intelligent key determine No. ID in described wake-up signal identical with No. ID of described Intelligent key self time produce;
When No. ID of No. ID entrained by described checking enabling signal and described smart lock identical, perform the described step generating checking expressly sequence.
5. the control method of smart lock according to claim 4, is characterized in that, the described No. ID corresponding wake-up signal of generation according to reading, and broadcast wakeup signals comprises:
Read No. ID in described smart lock successively;
According to the reading order of described No. ID, generate described wake-up signal according to described No. ID;
Broadcast described wake-up signal and receive described Intelligent key send checking enabling signal time, described wake-up signal of going off the air.
6. a control method for Intelligent key, is characterized in that, described Intelligent key has No. ID, identification mark, and described method comprises:
Receive the checking expressly sequence that smart lock sends;
According to No. ID, the identification mark of Intelligent key, described checking plaintext sequence is encrypted and calculates generation first encrypt data;
Described first encrypt data is sent to described smart lock, corresponding with described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified is utilized to make described smart lock, and after being verified, open the mechanical door lock of described smart lock.
7. the control method of Intelligent key according to claim 6, is characterized in that, also comprises:
Receive the wake-up signal that described smart lock sends, described wake-up signal carries No. ID of described smart lock;
Judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key;
When entrained by described wake-up signal No. ID identical with No. ID of described Intelligent key, send checking enabling signal to described smart lock, described checking enabling signal carries No. ID of described Intelligent key.
8. a control device for smart lock, is characterized in that, described smart lock is built-in with No. ID, at least one identification mark, and described device comprises:
Generation unit, for generating checking expressly sequence;
First transmitting element, for sending described checking expressly sequence to Intelligent key;
First receiving element, for receiving the first encrypt data that described Intelligent key sends, described first encrypt data is that described Intelligent key is encrypted calculating generation according to self No. ID to described checking plaintext sequence;
Authentication unit, for according to No. ID identical with the ID of described Intelligent key in described smart lock and describedly verify that expressly described in sequence pair, the first encrypt data is verified;
Open unit, for after being verified described first encrypt data, open the mechanical door lock of described smart lock.
9. the control device of smart lock according to claim 8, is characterized in that, described authentication unit specifically comprises:
Computation subunit, for verifying that expressly sequence is encrypted according to No. ID identical with described Intelligent key No. ID in described smart lock calculate generation second encrypt data to described, described second encrypt data is identical with described first encrypt data computations mechanism;
Relatively subelement, for comparing described first encrypt data and described second encrypt data;
Determine subelement, for when described first encrypt data is identical with described second encrypt data, determine that described first encrypt data is verified.
10. the control device of smart lock according to claim 8, is characterized in that, described checking expressly sequence is random data.
The control device of 11. smart locks according to claim 8, is characterized in that, described generation unit is also for generating corresponding wake-up signal according to No. ID that reads, and described device also comprises:
Second transmitting element, for broadcasting described wake-up signal, described wake-up signal carries No. ID of described smart lock;
Second receiving element, for receiving the checking enabling signal of described Intelligent key feedback, No. ID that carries described Intelligent key in described checking enabling signal, described checking enabling signal by described Intelligent key determine No. ID in described wake-up signal identical with No. ID of described Intelligent key self time produce;
Judging unit, for judge No. ID of described smart lock whether identical with No. ID entrained by described checking enabling signal, when No. ID of No. ID entrained by described checking enabling signal and described smart lock is identical, generate checking expressly sequence by described generation unit.
The control device of 12. smart locks according to claim 11, is characterized in that, described generation unit, specifically for reading No. ID in described smart lock successively, according to the reading order of described No. ID, generates described wake-up signal according to described No. ID;
Described second transmitting element specifically for broadcast described wake-up signal and receive when described second receiving element described Intelligent key send checking enabling signal time, described wake-up signal of going off the air.
The control device of 13. 1 kinds of Intelligent key, is characterized in that, described Intelligent key has No. ID, identification mark, and described device comprises:
First receiving element, for receiving the checking expressly sequence that smart lock sends;
Generation unit, for No. ID according to described Intelligent key, is encrypted described checking plaintext sequence and calculates generation first encrypt data;
First transmitting element, for sending described first encrypt data to described smart lock, corresponding with described Intelligent key No. ID and describedly verify that described in plaintext sequence pair, the first encrypt data is verified is utilized to make described smart lock, and after being verified, open the mechanical door lock of described smart lock.
The control device of 14. Intelligent key according to claim 13, is characterized in that, also comprise:
Second receiving element, for receiving the wake-up signal that described smart lock sends, described wake-up signal carries No. ID of described smart lock;
Judging unit, for judge No. ID entrained by described wake-up signal whether identical with No. ID of described Intelligent key;
Second transmitting element, for judge when described judging unit No. ID entrained by described wake-up signal identical with No. ID of described Intelligent key time, send checking enabling signal to described smart lock, described checking enabling signal carries No. ID of described Intelligent key.
15. 1 kinds of smart locks, is characterized in that, comprising:
Integrated circuit IC-card, be provided with No. ID, identification mark, described smart lock carries out corresponding by described No. ID with described Intelligent key;
IC-card draw-in groove, described IC-card is arranged in described IC-card draw-in groove pluggablely;
And, the control device of the smart lock as described in any one of claim 8-12.
16. 1 kinds of Intelligent key, is characterized in that, comprising:
No. ID corresponding No. ID is identified with the identification in described smart lock;
And, the control device of the Intelligent key as described in any one of claim 13-14.
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| CN108122307A (en) * | 2016-11-29 | 2018-06-05 | 上海慧流云计算科技有限公司 | Access control management method, apparatus and system |
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| CN110047183A (en) * | 2019-04-23 | 2019-07-23 | 广东省海洋工程装备技术研究所 | A kind of door-locking system and its working method using laser frequency coding |
| CN110443915A (en) * | 2019-06-24 | 2019-11-12 | 深圳绿米联创科技有限公司 | Control method for door lock, control device, door lock and storage medium |
| CN110533815A (en) * | 2019-09-02 | 2019-12-03 | 深圳市缤果时代科技有限公司 | It is a kind of to pass through the method for the smart lock and unlatching smart lock that electronic key is opened |
| CN110920562A (en) * | 2019-11-05 | 2020-03-27 | 北京经纬恒润科技有限公司 | Vehicle welcome method and device |
| CN114360100A (en) * | 2020-09-27 | 2022-04-15 | 比亚迪半导体股份有限公司 | Control method, device, system and medium for intelligent door lock |
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| WO2023178724A1 (en) * | 2022-03-22 | 2023-09-28 | 歌尔股份有限公司 | Anti-piracy method and system for smart doorbell, smart doorbell and computer-readable storage medium |
| CN115331332A (en) * | 2022-06-30 | 2022-11-11 | 中国第一汽车股份有限公司 | Intelligent lock based on chip encryption and unlocking method |
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