CN109544747A - Encryption key update method, system and the computer storage medium of intelligent door lock - Google Patents
Encryption key update method, system and the computer storage medium of intelligent door lock Download PDFInfo
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- CN109544747A CN109544747A CN201811386905.1A CN201811386905A CN109544747A CN 109544747 A CN109544747 A CN 109544747A CN 201811386905 A CN201811386905 A CN 201811386905A CN 109544747 A CN109544747 A CN 109544747A
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- Prior art keywords
- door lock
- key
- intelligent door
- cloud
- random sequence
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
- G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
- G07C2009/005—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically whereby the code is a random code
Abstract
The invention discloses encryption key update method, system and the computer storage mediums of a kind of intelligent door lock, the described method includes: receiving the cryptographic key factor information sent from intelligent door lock, cryptographic key factor information includes unique equipment Serial Number and door lock random sequence;The validity of cryptographic key factor information is judged according to equipment Serial Number, if being judged as effectively, obtaining a corresponding cloud random sequence and generating a cloud key;Cloud random sequence is sent to intelligent door lock for one door lock end key of generation;The key validation request of intelligent door lock is received, key validation request is obtained if decrypting using cloud key, confirms key agreement and be set as new encryption key.According to the technique and scheme of the present invention, dynamic key production is carried out by pressing the algorithm of agreement respectively at both ends, avoids the direct transmission key between intelligent door lock and cloud, the safety of the key of intelligent door lock can be improved.
Description
Technical field
The present invention relates to intelligent door lock technical field more particularly to a kind of encryption key update method of intelligent door lock, it is
System and computer storage medium.
Background technique
In current intelligent door lock system, the door-opening password of intelligent door lock is usually generated by cloud server, then under
It is whether correct with the password for verifying user's input to be dealt into door latch device, the communication number in this communication process between the two
According to being required to encipherment protection.
However, the existing encryption key for being encrypted is usually to be stored directly in door latch device and cloud, peace
Both property still haves the defects that certain entirely, i.e., once being truncated to the encryption key by the malice such as hacker, then will obtain always
Between communication data, and then it can be carried out the malicious act such as to distort.
Summary of the invention
In view of the above problems, the present invention proposes a kind of encryption key update method of intelligent door lock, by intelligent door lock
With the respective dynamic generation encryption key in cloud both ends, and the cryptographic key factor for generating key is only transmitted therebetween, can solve
Certainly in the prior art direct transmission key dangerous and the problems such as.
The embodiment of the present invention proposes a kind of encryption key update method of intelligent door lock, comprising:
The cryptographic key factor information sent from intelligent door lock is received, the cryptographic key factor information includes unique equipment sequence
Number and door lock random sequence;
The validity of the cryptographic key factor information is judged according to the equipment Serial Number, if being judged as effectively, is obtained a pair of
The cloud random sequence answered, and using the cloud random sequence, the equipment Serial Number and the door lock random sequence according to
Preset algorithm generates a cloud key;
The cloud random sequence is sent to the intelligent door lock, so that the intelligent door lock utilizes the cloud stochastic ordering
Column, the equipment Serial Number and the door lock random sequence generate a door lock end key according to the preset algorithm;
The key validation request encrypted using door lock end key that the intelligent door lock is sent is received, if described in utilizing
Key decryption in cloud obtains the key validation request, then confirms the cloud key and door lock end key agreement and setting
For new encryption key, and notify the intelligent door lock that the encryption key is updated to new encryption key.
Further, the key validation request includes the relevant information of the intelligent door lock, the relevant information with
Under prestored information unanimous circumstances, the cloud key and door lock end key agreement are just confirmed.
Further, before described " receiving from the cryptographic key factor information that the intelligent door lock is sent " further include:
The Cloud Server sends key updating order so that the intelligence to the intelligent door lock according to prefixed time interval
It can the door lock transmission cryptographic key factor information.
Further, described close if the Cloud Server and the intelligent door lock are previously stored with cryptographic key factor matching list
Door lock random sequence and cloud random sequence are stored in key factor matching list correspondingly, it is described " to obtain a corresponding cloud
Hold random sequence " include:
Corresponding cloud is obtained according to the door lock random sequence that the intelligent door lock is sent using the cryptographic key factor matching list
Hold random sequence.
Further, the preset algorithm includes AES encryption algorithm, md5 encryption algorithm, SHA1 Encryption Algorithm, rsa encryption
One of algorithm or combination.
According to the encryption key update method of above-mentioned intelligent door lock, another embodiment of the present invention proposes a kind of intelligent door lock
Encryption key more new system, comprising: Cloud Server and with an at least intelligent door lock,
The Cloud Server is used to receive the cryptographic key factor information sent from the intelligent door lock, the cryptographic key factor letter
Breath includes unique equipment Serial Number and door lock random sequence, and judges the cryptographic key factor information according to the equipment Serial Number
Validity obtain a corresponding cloud random sequence if being judged as effectively, and using the cloud random sequence, described set
Standby sequence number and the door lock random sequence are according to preset algorithm one cloud key of generation;
The Cloud Server is also used to send the cloud random sequence to the intelligent door lock, for the intelligent door lock
One is generated according to the preset algorithm using the cloud random sequence, the equipment Serial Number and the door lock random sequence
Lock end key, and the key validation request encrypted using door lock end key that the intelligent door lock is sent is received, if utilizing
Cloud key decryption obtains the key validation request, then confirm the cloud key and door lock end key agreement and
It is set as new encryption key, and notifies the intelligent door lock that the encryption key is updated to new encryption key.
Further, the key validation request includes the relevant information of the intelligent door lock, the relevant information with
Under prestored information unanimous circumstances, the Cloud Server just confirms the cloud key and door lock end key agreement.
Further, the Cloud Server receives before the cryptographic key factor information that the intelligent door lock is sent, and also wraps
It includes:
The Cloud Server sends key updating order so that the intelligence to the intelligent door lock according to prefixed time interval
It can the door lock transmission cryptographic key factor information.
Further, described close if the Cloud Server and the intelligent door lock are previously stored with cryptographic key factor matching list
Door lock random sequence and cloud random sequence are stored in key factor matching list correspondingly, it is described " to obtain a corresponding cloud
Hold random sequence " include:
The door lock random sequence that the Cloud Server utilizes the cryptographic key factor matching list to be sent according to the intelligent door lock
Obtain corresponding cloud random sequence.
Another embodiment of the present invention also proposes that a kind of its is stored with computer program, is performed in the computer program
When, implement the encryption key update method according to above-mentioned intelligent door lock.
Technical solution of the present invention carries out dynamic key production by pressing the algorithm of agreement respectively at both ends, and in the two
Between only transmit cryptographic key factor for generating encryption key, can avoid the direct transmission key between intelligent door lock and cloud,
So that the safety etc. of the key of intelligent door lock can be improved.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
It singly introduces, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to the present invention
The restriction of protection scope.
Fig. 1 is the first pass schematic diagram of the encryption key update method of 1 intelligent door lock of the embodiment of the present invention;
Fig. 2 is the second procedure schematic diagram of the encryption key update method of 1 intelligent door lock of the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the encryption key more new system of 2 intelligent door lock of the embodiment of the present invention.
Main element symbol description:
The encryption key of 1- intelligent door lock more new system;10- Cloud Server;20- intelligent door lock.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Used term is intended merely to describe specifically to implement in the description herein
The purpose of example, it is not intended that the limitation present invention.Term " and or " used herein includes one or more relevant institute's lists
Any and all combinations of purpose.
Below with reference to specific embodiment, the present invention is described in detail.
Embodiment 1
Fig. 1 is please referred to, the present embodiment proposes a kind of encryption key update method of intelligent door lock, can be applied to intelligent door lock
It is updated with the encryption key of Cloud Server.The communication number between intelligent door lock and Cloud Server can be improved by the update method
According to transmission security etc..The update method is described in detail below.
Step S10, Cloud Server receive the cryptographic key factor information sent from intelligent door lock, the cryptographic key factor packet
Include unique equipment Serial Number and door lock random sequence.
In step slo, when the encryption key between Cloud Server and intelligent door lock needs to update, intelligent door lock will be sent out
Send corresponding cryptographic key factor information to Cloud Server.Wherein, which may include the intelligent door lock body for identification
The Unique Device sequence number (SN, Serial Number) of part and the door lock random sequence generated by the intelligent door lock.In
It is after Cloud Server reception after the cryptographic key factor information, to execute step S20.
It is appreciated that when intelligent door lock there are it is multiple when, each intelligent door lock is all provided with a unique equipment sequence in advance
Row number, with unique intelligent door lock for identification.And the door lock random sequence is the intelligent door that encryption key is updated by the needs
The string sequence generated at random is locked, can be used for being subsequently generated corresponding new encryption key.
Wherein, before step S10, as shown in Fig. 2, this method may also include step S9, i.e., Cloud Server is according to default
Time interval sends key updating order so that the intelligent door lock sends the cryptographic key factor information to intelligent door lock.
In step s 9, the Cloud Server can regularly to intelligent door lock initiate encryption key more newer command, by every
A period of time is continuously updated the encryption key, can prevent the encryption key from being cracked easily and data occur and be tampered, mention
The safety of the high communication data encrypted using the encryption key.
It is of course also possible to initiate key updating request to Cloud Server according to prefixed time interval from intelligent door lock.If
It is periodically initiated to update request by intelligent door lock, optionally, intelligent door lock can directly will include above-mentioned cryptographic key factor information
Key updating request is sent to Cloud Server.
Step S20: Cloud Server judges the validity of the cryptographic key factor information according to the equipment Serial Number.
In step S20, after Cloud Server receives the cryptographic key factor information, its validity will be judged.Exemplarily,
Whether the cryptographic key factor information is judged according to whether the equipment Serial Number is consistent with the equipment Serial Number of the intelligent door lock prestored
Effectively.If the two is consistent, confirmation be from intelligent door lock, therefore judge effectively, execute step S30 and step S40.If different
It causes, then explanation may be the fallacious message that malicious node is sent, and Cloud Server does not make any response then.
Optionally, which can also check whether the corresponding intelligent door lock meets more according to the equipment Serial Number
Whether new request within prespecified renewal time etc. judges whether it is effective.For example, if the intelligent door lock
It does not meet update request or not within defined renewal time, then judges that the cryptographic key factor information is invalid, Cloud Server is not made
Any response.
Step S30, if being judged as effectively, Cloud Server obtains a corresponding cloud random sequence, and utilizes the cloud
Random sequence, the equipment Serial Number and the door lock random sequence generate a cloud key according to preset algorithm.
Step S40, Cloud Server send the cloud random sequence to the intelligent door lock.
In step s 30, the equipment Serial Number based on the intelligent door lock, door lock random sequence and the cloud random sequence,
Cloud Server will generate a cloud key according to the preset algorithm made an appointment.Exemplarily, which may include but not
It is limited to using one of AES encryption algorithm, md5 encryption algorithm, SHA1 Encryption Algorithm, RSA cryptographic algorithms or combination.
In step s 40, Cloud Server is also sent to the intelligent door lock, so that the intelligent door lock is for generating one
Lock end key, i.e. execution step S50.In the present embodiment, for the cloud random sequence of acquisition, it is preferable that can judge
The effectively rear random generation of above-mentioned cryptographic key factor information.Certainly, if Cloud Server and the intelligent door lock be previously stored with key because
Sub- matching list is stored with door lock random sequence and cloud random sequence in the cryptographic key factor matching list correspondingly, as follows
Shown in table 1.Wherein, first group of storage be plaintext initial key, can be used for initial between intelligent door lock and Cloud Server
Communication.And subsequent multiple groups are then used as the key updating factor, and different encryption keys is generated for the algorithm according to agreement.
The door lock random sequence of intelligent door lock transmission is appreciated that from the cryptographic key factor matching list, at this point, cloud takes
Business device then can inquire the cryptographic key factor matching list according to the door lock random sequence that the intelligent door lock is sent, corresponding to obtain
Cloud random sequence.By storing the cryptographic key factor matching list respectively without directly storing encryption key at both ends, can prevent from working as
The leakage etc. of encryption key when Cloud Server is by malicious attack.
Step S50: intelligent door lock utilizes the cloud random sequence, the equipment Serial Number and the door lock random sequence
A door lock end key is generated according to the preset algorithm.
Then, which it is close will to generate the door lock end using identical preset algorithm based on identical cryptographic key factor
Key.After generating the door lock end key, step S60 will be executed, that is, returns to a key validation request to Cloud Server, is somebody's turn to do with confirmation
Door lock end key whether with cloud key agreement.
Step S60, intelligent door lock return to a key validation request.Specifically, which will utilize the door of the generation
Lock end key encrypts the key validation request.Wherein, which includes that the correlation of the intelligent door lock is set
Standby information.
Step S70, it is true that Cloud Server receives the key using the encryption of door lock end key that the intelligent door lock is sent
Recognize request.
Step S80, if using cloud key decrypt obtain the key validation request, confirm the cloud key with it is described
Door lock end key agreement and it is set as new encryption key, and the intelligent door lock is notified to carry out the update of encryption key.
In step S70 and S80, Cloud Server is decrypted using the received data of cloud key pair.If can successfully solve
The close information for obtaining the key validation request, then can confirm the cloud key and the door lock end key agreement.Then, Cloud Server
By the cloud, key is set as new encryption key, and notifies update of the intelligent door lock to encryption key, even if intelligent door lock
Execute step S90.
Optionally, Cloud Server can also be checked in the key validation request by after decrypting the key validation request
Intelligent door lock relevant information it is whether consistent with the information of the intelligent door lock prestored, and in the relevant information and the letter that prestores
It ceases under unanimous circumstances, just confirms that the cloud key is consistent with door lock end key.
The encryption key is updated to new encryption key by step S90, intelligent door lock.
Intelligent door lock is after the notice for receiving Cloud Server, it will and the door lock end, key is set as new encryption key,
To be finally completed the encryption key renewal process of this time.Before the arrival of key updating next time, the intelligent door lock and cloud clothes
Business device will will use the communication data of the new key pair of this update between the two and carry out encryption and decryption.For example, working as Cloud Server
When needing to transmit door-opening password to the intelligent door lock, transmitted after being encrypted by the new key.And intelligent door lock is then sharp
It is decrypted with the new key to obtain the door-opening password.
The encryption key update method for the intelligent door lock that the present embodiment proposes, by only transmitting for generating therebetween
The cryptographic key factor of key and respectively in each self-generating in both ends, avoids the direct transmission of encryption key therebetween, can prevent
The intercepting and capturing of encryption key, to improve the safety of communication data.It, can be in addition, by being updated periodically the encryption key
Further increase malicious node cracks difficulty etc..
Embodiment 2
Referring to figure 3., the present embodiment proposes a kind of encryption key more new system of intelligent door lock, and above-described embodiment can be used
The encryption key update method of 1 intelligent door lock.The system includes Cloud Server and an at least intelligent door lock, the Cloud Server
It is communicated to connect with intelligent door lock.
Specifically, the Cloud Server is used to receive the cryptographic key factor information sent from the intelligent door lock, described close
Key factor information includes unique equipment Serial Number and door lock random sequence.
The Cloud Server is also used to judge according to the equipment Serial Number validity of the cryptographic key factor information.If sentencing
Break to be effective, then Cloud Server obtains a corresponding cloud random sequence, and utilizes the cloud random sequence, the equipment sequence
Row number and the door lock random sequence are according to preset algorithm one cloud key of generation.The Cloud Server is also used to send the cloud
Hold random sequence to the intelligent door lock.
The intelligent door lock is used to utilize the cloud random sequence, the equipment Serial Number and the door lock random sequence
A door lock end key is generated according to the preset algorithm, and sends a key validation request to the Cloud Server.Exemplarily,
Intelligent door lock carries out encrypting the key validation request using the door lock end key of the generation, wherein the key validation request includes
There is the relevant device information of the intelligent door lock.
The Cloud Server is also used to receive the key encrypted using door lock end key that the intelligent door lock is sent
Confirmation request, and confirmation is decrypted to the key validation request.
Exemplarily, if obtaining the key validation request using cloud key decryption, the Cloud Server is true
Recognize the cloud key and door lock end key agreement, then key is set as new encryption key by the cloud, then notifies
The encryption key is updated to new encryption key by the intelligent door lock.
The intelligent door lock is also used to after receiving the notice of the Cloud Server, and the encryption key is updated
For new encryption key, i.e., new encryption key is set by door lock end key.
The Cloud Server and intelligent door lock of the present embodiment correspond respectively to Cloud Server and intelligent door in above-described embodiment 1
Lock.The Cloud Server of above-described embodiment 1 and the option of intelligent door lock are equally applicable to the present embodiment, therefore this will not be detailed here.
Another embodiment of the present invention also proposes a kind of computer storage medium, is stored with computer program, is used for
The computer program is performed the encryption key update method for implementing the intelligent door lock of above-described embodiment 1.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and structure in attached drawing
Figure shows the system frame in the cards of the device of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be to be different from the implementation as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that in structure chart and/or flow chart
The combination of each box and the box in structure chart and/or flow chart, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of encryption key update method of intelligent door lock, which is characterized in that be applied to Cloud Server and an at least intelligent door
Lock, which comprises
Receive the cryptographic key factor information that sends from intelligent door lock, the cryptographic key factor information include unique equipment Serial Number with
Door lock random sequence;
The validity of the cryptographic key factor information is judged according to the equipment Serial Number, if being judged as effectively, it is corresponding to obtain one
Cloud random sequence, and using the cloud random sequence, the equipment Serial Number and the door lock random sequence according to default
Algorithm generates a cloud key;
The cloud random sequence is sent to the intelligent door lock, for the intelligent door lock using the cloud random sequence,
The equipment Serial Number and the door lock random sequence are according to the preset algorithm one door lock end key of generation;
The key validation request encrypted using door lock end key that the intelligent door lock is sent is received, if utilizing the cloud
Key decryption obtains the key validation request, then confirms the cloud key and door lock end key agreement and be set as new
Encryption key, and notify the intelligent door lock that the encryption key is updated to new encryption key.
2. the encryption key update method of intelligent door lock according to claim 1, which is characterized in that the key confirmation is asked
The relevant information including the intelligent door lock is sought, under the relevant information and prestored information unanimous circumstances, just described in confirmation
Cloud key and door lock end key agreement.
3. the encryption key update method of intelligent door lock according to claim 1, which is characterized in that described " reception comes from
Before the cryptographic key factor information that the intelligent door lock is sent " further include:
The Cloud Server sends key updating order so that the intelligent door to the intelligent door lock according to prefixed time interval
Lock sends the cryptographic key factor information.
4. the encryption key update method of intelligent door lock according to claim 1, which is characterized in that if the Cloud Server
It is previously stored with cryptographic key factor matching list with the intelligent door lock, is stored with door correspondingly in the cryptographic key factor matching list
Random sequence and cloud random sequence are locked, " the obtaining a corresponding cloud random sequence " includes:
The door lock random sequence sent using the cryptographic key factor matching list according to the intelligent door lock obtain corresponding cloud with
Machine sequence.
5. the encryption key update method of intelligent door lock according to claim 1, which is characterized in that the preset algorithm packet
Include one of AES encryption algorithm, md5 encryption algorithm, SHA1 Encryption Algorithm, RSA cryptographic algorithms or combination.
6. a kind of encryption key of intelligent door lock more new system characterized by comprising Cloud Server and at least an intelligent door
Lock,
The Cloud Server is used to receive the cryptographic key factor information sent from the intelligent door lock, the cryptographic key factor packet
Unique equipment Serial Number and door lock random sequence are included, and having for the cryptographic key factor information is judged according to the equipment Serial Number
Effect property obtains a corresponding cloud random sequence, and utilize the cloud random sequence, the equipment sequence if being judged as effectively
Row number and the door lock random sequence are according to preset algorithm one cloud key of generation;
The Cloud Server is also used to send the cloud random sequence to the intelligent door lock, for intelligent door lock utilization
The cloud random sequence, the equipment Serial Number and the door lock random sequence generate a door lock end according to the preset algorithm
Key, and the key validation request encrypted using door lock end key that the intelligent door lock is sent is received, if described in utilizing
Key decryption in cloud obtains the key validation request, then confirms the cloud key and door lock end key agreement and setting
For new encryption key, and notify the intelligent door lock that the encryption key is updated to new encryption key.
7. the encryption key of intelligent door lock according to claim 6 more new system, which is characterized in that the key confirmation is asked
The relevant information including the intelligent door lock is sought, under the relevant information and prestored information unanimous circumstances, the cloud service
Device just confirms the cloud key and door lock end key agreement.
8. the encryption key of intelligent door lock according to claim 6 more new system, which is characterized in that the Cloud Server connects
It receives before the cryptographic key factor information that the intelligent door lock is sent, further includes:
The Cloud Server sends key updating order so that the intelligent door to the intelligent door lock according to prefixed time interval
Lock sends the cryptographic key factor information.
9. the encryption key of intelligent door lock according to claim 6 more new system, which is characterized in that
If the Cloud Server and the intelligent door lock are previously stored with cryptographic key factor matching list, in the cryptographic key factor matching list
It is stored with door lock random sequence and cloud random sequence, " obtaining a corresponding cloud random sequence " packet correspondingly
It includes:
The door lock random sequence sent using the cryptographic key factor matching list according to the intelligent door lock obtain corresponding cloud with
Machine sequence.
10. a kind of computer storage medium, which is characterized in that it is stored with computer program, is held in the computer program
When row, implement the encryption key update method of intelligent door lock according to any one of claims 1-5.
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CN110648442A (en) * | 2019-09-30 | 2020-01-03 | 广东科徕尼智能科技有限公司 | Active defense method of intelligent door lock and intelligent door lock |
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CN111127706A (en) * | 2019-11-28 | 2020-05-08 | 深圳指芯物联技术有限公司 | Intelligent lock control method, intelligent lock, cloud server and computing equipment |
CN113450482A (en) * | 2021-09-02 | 2021-09-28 | 武汉慧联无限科技有限公司 | Electronic lock control method and device, server and electronic lock |
CN113781677A (en) * | 2021-08-31 | 2021-12-10 | 新华三技术有限公司 | Method for replacing intelligent door lock and cloud platform |
CN114120497A (en) * | 2021-12-28 | 2022-03-01 | 深圳市欧瑞博科技股份有限公司 | Communication method and device of intelligent door lock, intelligent door lock and storage medium |
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