CN109246581A - A kind of method and apparatus of communication - Google Patents
A kind of method and apparatus of communication Download PDFInfo
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- CN109246581A CN109246581A CN201710346665.1A CN201710346665A CN109246581A CN 109246581 A CN109246581 A CN 109246581A CN 201710346665 A CN201710346665 A CN 201710346665A CN 109246581 A CN109246581 A CN 109246581A
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- bluetooth equipment
- terminal device
- communication
- public key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and apparatus of communication are provided, it is related to computer field.One specific embodiment of this method includes: that terminal device and bluetooth equipment establish connection；Terminal device is encrypted using the secret key pair Content of Communication of pre-selection algorithm, and encrypted Content of Communication is sent to bluetooth equipment, so that bluetooth equipment is decrypted using the Content of Communication that the secret key pair of pre-selection algorithm receives.The embodiment reduces the security risk communicated between terminal, improves security reliability.
Description
Technical field
The present invention relates to computer field more particularly to a kind of method and apparatus of communication.
Background technique
Bluetooth low energy consumption (Bluetooth Low Energy, BLE) technology be low cost, short distance, interoperable Shandong
Stick wireless technology.In the present of current Internet of Things Industry Quick Development, the Intelligent hardware using BLE technology is more and more.Together
When, it the use of the data that BLE is transmitted is sensitive data, such as individual health data, account number cipher data etc. a bit, it is necessary to assure
Information privacy.
The mode that current BLE agreement is all made of pairing (pairing) completes the code key distribution of communicating pair
(distribution).If pairing is completed, communicating pair carries out symmetrical enciphering and deciphering algorithm using the communication of identical secret key pair
Encryption and decryption, to guarantee the confidentiality of communication.
It is paired with following three kinds of modes at present:
Passkey Entry is that a side inputs passkey, and in addition whether side verifying other side input is correct, if correctly
Pairing can be successfully completed, incorrect just to terminate, pairing failure.This mode be suitable for a side have input medium (such as
Keyboard), another party has display means (such as display screen)；
Out of Band is that security information is completed transmission, such as NFC using non-BLE channel between communicating pair；
This mode of Just Works is to use identical fixed TK (Temporary at the very start in pairing stage both sides
Key).This mode at least side suitable for communicating pair does not have input or display means.
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery:
If existing three kinds of modes can not all be resisted in communication process in the pairing stage by passively attack is eavesdropped
It eavesdrops, in this case, the Bluetooth communication based on these three matching methods is that no safety can be sayed, therefore, how to be improved
The security reliability of communication is a problem to be solved.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method and apparatus of communication, it is able to solve and communicates in the prior art
The problem of security reliability difference.
To achieve the above object, according to an aspect of an embodiment of the present invention, a kind of method of communication is provided.
A kind of method of communication of the embodiment of the present invention includes that terminal device and bluetooth equipment establish connection；Terminal device benefit
It is encrypted with the secret key pair Content of Communication of pre-selection algorithm, encrypted Content of Communication is sent to bluetooth equipment, so that bluetooth
The Content of Communication that the secret key pair of equipment utilization pre-selection algorithm receives is decrypted.
Optionally, the terminal device Yu bluetooth equipment of the embodiment of the present invention are established before connection, further includes: terminal device and
Bluetooth equipment saves code key.
Optionally, the embodiment of the present invention terminal device carries out encrypting it using the secret key pair Content of Communication of pre-selection algorithm
Before, further includes: terminal device generates terminal device public key using ECC algorithm, and terminal device public key is sent to bluetooth equipment；
Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by bluetooth equipment；Based on terminal device public key and bluetooth equipment public key,
Shared secret is determined using ECDH algorithm；The preceding 128bit of shared secret is saved as code key by terminal device and bluetooth equipment.
Optionally, the embodiment of the present invention is before terminal device and bluetooth equipment establish connection, further includes: confirmation is blue
It include preset field in the data of tooth device broadcasts.
To achieve the above object, according to another aspect of an embodiment of the present invention, a kind of device of communication is provided.
A kind of device of communication of the embodiment of the present invention includes: link block, is established for terminal device and bluetooth equipment
Connection；Processing module is sent encrypted Content of Communication for being encrypted using the secret key pair Content of Communication of pre-selection algorithm
To bluetooth equipment, so that bluetooth equipment is decrypted using the Content of Communication that the secret key pair of pre-selection algorithm receives.
Optionally, the embodiment of the invention also includes preserving modules, are used for: terminal device and bluetooth equipment save code key.
Optionally, the preserving module of the embodiment of the present invention is also used to: generating terminal device public key using ECC algorithm, and will
Terminal device public key is sent to bluetooth equipment；Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by bluetooth equipment；It is based on
Terminal device public key and bluetooth equipment public key, determine shared secret using ECDH algorithm；Terminal device and bluetooth equipment will be total to
It enjoys secret preceding 128bit and saves as code key.
Optionally, the embodiment of the present invention also further includes determining module, is used for: being wrapped in the data of confirmation bluetooth equipment broadcast
Containing preset field.
To achieve the above object, according to an embodiment of the present invention in another aspect, providing the electronics of a kind of method of communication
Equipment.
The a kind of electronic equipment of the embodiment of the present invention includes: one or more processors；Storage device, for storing one
Or multiple programs, when one or more of programs are executed by one or more of processors, so that one or more of
The method that processor realizes the communication of the embodiment of the present invention.
To achieve the above object, another aspect according to an embodiment of the present invention, provides a kind of computer-readable medium.
A kind of computer-readable medium of the embodiment of the present invention, is stored thereon with computer program, and described program is processed
The method of the communication of the embodiment of the present invention is realized when device executes.
One embodiment in foregoing invention has the following advantages that or the utility model has the advantages that because carries out using for Content of Communication
The technological means of encryption so overcoming the technical issues of Content of Communication is easy leakage, and then reaches and improves communication process
The technical effect of security reliability；By being encrypted in communication process to Content of Communication, Content of Communication is effectively overcome
The problem of leakage, to make equipment that all there is stronger security reliability in connection and stage of communication.
Further effect possessed by above-mentioned non-usual optional way adds hereinafter in conjunction with specific embodiment
With explanation.
Detailed description of the invention
Attached drawing for a better understanding of the present invention, does not constitute an undue limitation on the present invention.Wherein:
Fig. 1 is the schematic diagram of the key step of the method for communication according to an embodiment of the present invention；
Fig. 2 is the schematic diagram that mobile phone and terminal are attached in the prior art；
Fig. 3 is the schematic diagram that mobile phone and multiple types of terminals are attached in the prior art；
Fig. 4 is the schematic diagram of the main modular of the device of communication according to an embodiment of the present invention；
Fig. 5 is adapted for the structural representation of the computer system for the terminal device or server of realizing the embodiment of the present application
Figure.
Specific embodiment
Below in conjunction with attached drawing, an exemplary embodiment of the present invention will be described, including the various of the embodiment of the present invention
Details should think them only exemplary to help understanding.Therefore, those of ordinary skill in the art should recognize
It arrives, it can be with various changes and modifications are made to the embodiments described herein, without departing from scope and spirit of the present invention.Together
Sample, for clarity and conciseness, descriptions of well-known functions and structures are omitted from the following description.
Just as described in the background of the present invention, the prior art is not add when carrying out pairing connection to equipment
Close processing, as long as the information transmitted between terminal is all there is very big peace by plaintext transmission after being successfully connected
Full hidden danger, therefore, the present invention increase the security reliability of communication by encrypting to the content of communication.
Fig. 1 is the schematic diagram of the key step of the method for communication according to an embodiment of the present invention.
As shown in Figure 1, a kind of method of communication of the embodiment of the present invention mainly includes the following steps:
Step S101: terminal device and bluetooth equipment establish connection.In the specific implementation process, it needs to judge bluetooth equipment
It whether include preset field in the data of broadcast；If so, terminal device and terminal establish connection；If it is not, terminating current operation.
By that could establish connection after judgement, then in the determining code key that communication is encrypted and decrypted, (code key is this hair
The code key of bright proposed pre-selection algorithm), specific encryption process will be described in detail in subsequent discussion, herein no longer
It repeats.
Step S102: terminal device is encrypted using the secret key pair Content of Communication of pre-selection algorithm, by encrypted communication
Content is sent to bluetooth equipment, so that bluetooth equipment is decrypted using the Content of Communication that the secret key pair of pre-selection algorithm receives.
This step is intended to encrypt the content of communication, with achieve the purpose that can high safety reliability, then again to encrypted logical
Believe that content accordingly decrypt.The specific process for determining code key is divided into following two situation:
Situation one: code key is saved in terminal device and bluetooth equipment；
Situation two: terminal device generates terminal device public key using ECC algorithm, and terminal device public key is sent to bluetooth
Equipment；Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by bluetooth equipment；Based on terminal device public key and bluetooth equipment
Public key determines shared secret using ECDH algorithm；Terminal device and bluetooth equipment save as the preceding 128bit of shared secret
Code key.
Above-mentioned two situations are only the involved implementations of the embodiment of the present invention, will not influence protection model of the invention
It encloses, and has respective advantage and disadvantage, selection use can be carried out according to different usage scenarios.
It can be seen that the Content of Communication for the secret key pair encryption determined through the invention is encrypted and decrypted, effectively
Improve the safety of entire communication process.
Below in conjunction with the attached drawing in the present invention, clear, complete description is carried out to the technical solution in the present invention, is shown
So, described embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to
In the scope of protection of the invention.
Fig. 2 is the schematic diagram that mobile phone and terminal are attached in the prior art.BLE agreement in the prior art can also make
With No Security, i.e., plaintext transmission data are used in stage of communication both sides.In this way if not application layer does not do safe design
More having no safety can say.Further, as shown in figure 3, mobile phone and multiple types of terminals are attached in the prior art
Schematic diagram, mobile phone are BLE Master, and various equipment are then BLE Slave.These equipment not carve connection mobile phone at the same time, this
A figure is intended to indicate that an app of a mobile phone can connect a variety of bluetooth equipments.It is required that the application layer protocol based on BLE will fit
With BLE equipment as much as possible.And in above-mentioned three kinds of matching methods, Passkey entry and Out of Band has hardware
It is required that causing the BLE equipment having that can not access, it is unfavorable for the marketing of application layer protocol.And Just Works safety pole
It is low, because the default initial code key TK of Bluetooth protocol is fixed, disclosed.The present invention is because use no in protocol layer
Security does not have particular requirement to hardware, therefore can be suitable for all BLE equipment, conducive to this kind of application layer protocol
Marketing.
The extensive suitability problem of this programme one side resolution protocol；On the other hand it solves the problems, such as passively to eavesdrop, that is, not
Pipe criminal attacks Bluetooth communication using the passive mode of eavesdropping in what stage, is all the confidentiality that can not destroy this programme,
Know the content of communication.
Specifically, technical solution of the present invention is divided into two ways:
Mode one uses preset value code key PSK (Pre Shared Key).
That is broadcast discovery is completed, and master and slave are established after connection, normal communication, and Content of Communication uses aes algorithm
Encryption and decryption, code key are exactly that communicating pair writes dead code key psk, code key length 128bit in advance.
Mode two generates aes algorithm code key session_key using ECDH algorithm.
Encryption intensity: ECC public key is 168bit, and ECC private key is 160bit, and AES symmetric key length is 128bit.
After broadcast discovery phase is completed, Master and Slave establish connection, then start to communicate, detailed process are as follows:
(1) Master generates ECC algorithm public key ecc_master_puk_key, the private key ecc_master_priv_ of oneself
key。
(2) Master tells the ECC algorithm public key ecc_ of Slave oneself by write characteristic in plain text
master_puk_key。
(3) Slave generates ECC algorithm public key ecc_slave_puk_key, the private key ecc_slave_priv_ of oneself
key。
(4) Slave passes through indication characteristic or notification characteristic
The ECC algorithm public key ecc_slave_puk_key of Master oneself is told in plain text.
(5) Master and Slave calculate separately shared secret.128bit is as session_key before taking out.
Finally, all communications use aes algorithm encryption and decryption, are decrypted using code key for session_key.
It should be noted that special word can be arranged in the broadcast data of slave in order to carry out primary authentication
Section, only has the slave of this special Broadcast field, master can just establish connection therewith, can set non-agreement in this way
It is standby to foreclose.Meanwhile the completion in order to guarantee communication data, data can be carried out using ECC check and algorithm complete
Property verifying.
The method of communication according to an embodiment of the present invention can be seen that because having carried out encryption using for Content of Communication
Technological means so overcoming the technical issues of Content of Communication is easy leakage, and then reaches and improves the safe and reliable of communication process
The technical effect of property；By being encrypted in communication process to Content of Communication, asking for Content of Communication leakage is effectively overcome
Topic, to make equipment that all there is stronger security reliability in connection and stage of communication.
Fig. 4 is the schematic diagram of the main modular of the device of communication according to an embodiment of the present invention.
As shown in figure 4, the device 400 of the communication of the embodiment of the present invention is mutual in mobile phone or other movements as software setting
In the terminal device of networking, the device mainly includes: link block 401 and processing module 402.Wherein:
Link block 401 establishes connection for terminal device and bluetooth equipment；Processing module 42, for being calculated using pre-selection
The secret key pair Content of Communication of method is encrypted, and encrypted Content of Communication is sent to bluetooth equipment, so that bluetooth equipment utilizes
The Content of Communication that the secret key pair of pre-selection algorithm receives is decrypted.
Optionally, the embodiment of the invention also includes preserving module 403, be used for: terminal device and bluetooth equipment save code key.
Optionally, the preserving module 403 of the embodiment of the present invention is also used to: terminal device public key is generated using ECC algorithm, and
Terminal device public key is sent to bluetooth equipment；Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by bluetooth equipment；Base
In terminal device public key and bluetooth equipment public key, shared secret is determined using ECDH algorithm；Terminal device and bluetooth equipment will
The preceding 128bit of shared secret saves as code key.
Optionally, the embodiment of the present invention also further includes determining module 404, is used for: the data of confirmation bluetooth equipment broadcast
In include preset field.
From the above, it can be seen that because being overcome using the technological means encrypted for Content of Communication
Content of Communication is easy the technical issues of leakage, and then reaches the technical effect for improving the security reliability of communication process；Pass through
The problem of in communication process, Content of Communication is encrypted, effectively overcomes Content of Communication leakage, to make equipment even
It connects and stage of communication all has stronger security reliability.
Below with reference to Fig. 5, it illustrates the computer systems 500 for the terminal device for being suitable for being used to realize the embodiment of the present application
Structural schematic diagram.Terminal device shown in Fig. 5 is only an example, function to the embodiment of the present application and should not use model
Shroud carrys out any restrictions.
As shown in figure 5, computer system 500 includes central processing unit (CPU) 501, it can be read-only according to being stored in
Program in memory (ROM) 502 or be loaded into the program in random access storage device (RAM) 503 from storage section 508 and
Execute various movements appropriate and processing.In RAM 503, also it is stored with system 500 and operates required various programs and data.
CPU 501, ROM 502 and RAM 503 are connected with each other by bus 504.Input/output (I/O) interface 505 is also connected to always
Line 504.
I/O interface 505 is connected to lower component: the importation 506 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 507 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 508 including hard disk etc.；
And the communications portion 509 of the network interface card including LAN card, modem etc..Communications portion 509 via such as because
The network of spy's net executes communication process.Driver 510 is also connected to I/O interface 505 as needed.Detachable media 511, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 510, in order to read from thereon
Computer program be mounted into storage section 508 as needed.
Particularly, the process of disclosed embodiment according to the present invention, the flow chart description of key step above can be by reality
It is now computer software programs.For example, embodiment disclosed by the invention includes a kind of computer program product comprising be carried on
Computer program on computer-readable medium, the computer program include for executing method shown in key step flow chart
Program code.In such embodiments, which can be downloaded and be pacified from network by communications portion 509
Dress, and/or be mounted from detachable media 511.When the computer program is executed by central processing unit (CPU) 501, execute
The above-mentioned function of being limited in the system of the application.
It should be noted that computer-readable medium shown in the application can be computer-readable signal media or meter
Calculation machine readable storage medium storing program for executing either the two any combination.Computer readable storage medium for example can be --- but not
Be limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination.Meter
The more specific example of calculation machine readable storage medium storing program for executing can include but is not limited to: have the electrical connection, just of one or more conducting wires
Taking formula computer disk, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this application, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.And at this
In application, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.Include on computer-readable medium
Program code can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF etc. are above-mentioned
Any appropriate combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of above-mentioned module, program segment or code include one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, depending on this is according to related function.?
It should be noted that the combination of block diagram or each box in flow chart and the box in block diagram or flow chart, can use execution
The dedicated hardware based systems of defined functions or operations realizes, or can use specialized hardware and computer instruction
Combination is to realize.
Being described in module involved in the embodiment of the present application can be realized by way of software, can also be by hard
The mode of part is realized.Described module also can be set in the processor, for example, can be described as: a kind of processor packet
Include determining module, encrypting module and deciphering module.Wherein, the title of these modules is not constituted under certain conditions to the mould
The restriction of block itself.
As on the other hand, present invention also provides a kind of computer-readable medium, which be can be
Included in equipment described in above-described embodiment；It is also possible to individualism, and without in the supplying equipment.Above-mentioned calculating
Machine readable medium carries one or more program, when said one or multiple programs are executed by the equipment, makes
Obtaining the equipment includes: that terminal device and bluetooth equipment establish connection；Terminal device utilizes the secret key pair Content of Communication for preselecting algorithm
It is encrypted, encrypted Content of Communication is sent to bluetooth equipment, so that bluetooth equipment is docked using the code key of pre-selection algorithm
The Content of Communication received is decrypted.
Technical solution according to an embodiment of the present invention, because using the technological means encrypted for Content of Communication,
So overcoming the technical issues of Content of Communication is easy leakage, and then reach the technology effect for the security reliability for improving communication process
Fruit；By being encrypted in communication process to Content of Communication, the problem of Content of Communication is revealed effectively is overcome, to make
Equipment all has stronger security reliability in connection and stage of communication.
Above-mentioned specific embodiment, does not constitute a limitation on the scope of protection of the present invention.Those skilled in the art should be bright
It is white, design requirement and other factors are depended on, various modifications, combination, sub-portfolio and substitution can occur.It is any
Made modifications, equivalent substitutions and improvements etc. within the spirit and principles in the present invention, should be included in the scope of the present invention
Within.
Claims (10)
1. a kind of method of communication characterized by comprising
Terminal device and bluetooth equipment establish connection；
The terminal device is encrypted using the secret key pair Content of Communication of pre-selection algorithm, and encrypted Content of Communication is sent to
The bluetooth equipment, so that the bluetooth equipment is solved using the Content of Communication that the secret key pair of the pre-selection algorithm receives
It is close.
2. the method according to claim 1, wherein the terminal device and bluetooth equipment are established before connection,
Further include:
The terminal device and the bluetooth equipment save the code key.
3. the method according to claim 1, wherein the terminal device is communicated using the secret key pair of pre-selection algorithm
Before content is encrypted, further includes:
The terminal device generates terminal device public key using ECC algorithm, and the terminal device public key is sent to the indigo plant
Tooth equipment；
Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by the bluetooth equipment；
Based on the terminal device public key and the bluetooth equipment public key, shared secret is determined using ECDH algorithm；
The preceding 128bit of the shared secret is saved as the code key by the terminal device and the bluetooth equipment.
4. the method according to claim 1, wherein establishing connection in the terminal device and the bluetooth equipment
Before, further includes: confirm in the data of the bluetooth equipment broadcast comprising preset field.
5. a kind of device of communication, which is characterized in that be arranged in terminal device, which includes:
Link block establishes connection for terminal device and bluetooth equipment；
Processing module is sent encrypted Content of Communication for being encrypted using the secret key pair Content of Communication of pre-selection algorithm
To the bluetooth equipment, so that the bluetooth equipment is solved using the Content of Communication that the secret key pair of the pre-selection algorithm receives
It is close.
6. device according to claim 5, which is characterized in that further include preserving module, be used for:
The terminal device and the bluetooth equipment save the code key.
7. device according to claim 5, which is characterized in that the preserving module is also used to:
Terminal device public key is generated using ECC algorithm, and the terminal device public key is sent to the bluetooth equipment；
Receive the bluetooth equipment public key for utilizing ECC algorithm to generate by the bluetooth equipment；
Based on the terminal device public key and the bluetooth equipment public key, shared secret is determined using ECDH algorithm；
The preceding 128bit of the shared secret is saved as the code key by the terminal device and the bluetooth equipment.
8. device according to claim 5, which is characterized in that further include determining module, be used for: confirming the bluetooth equipment
It include preset field in the data of broadcast.
9. a kind of electronic equipment characterized by comprising
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as method of any of claims 1-4.
10. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that described program is held by processor
Such as method of any of claims 1-4 is realized when row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346665.1A CN109246581A (en) | 2017-05-17 | 2017-05-17 | A kind of method and apparatus of communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346665.1A CN109246581A (en) | 2017-05-17 | 2017-05-17 | A kind of method and apparatus of communication |
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| CN109246581A true CN109246581A (en) | 2019-01-18 |
Family
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| CN201710346665.1A Pending CN109246581A (en) | 2017-05-17 | 2017-05-17 | A kind of method and apparatus of communication |
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| CN111404584A (en) * | 2020-03-12 | 2020-07-10 | 苏州浪潮智能科技有限公司 | Server running state monitoring method, device and system and readable storage medium |
| CN112672335A (en) * | 2021-03-08 | 2021-04-16 | 上海逐鲨智能科技有限公司 | Bluetooth broadcast encryption communication method |
| CN113596827A (en) * | 2021-07-29 | 2021-11-02 | Oppo广东移动通信有限公司 | Key generation method and device, electronic equipment and storage medium |
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| CN106533662A (en) * | 2016-11-03 | 2017-03-22 | 北京奇虎科技有限公司 | Methods and devices for transmitting network safety secret key |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111404584A (en) * | 2020-03-12 | 2020-07-10 | 苏州浪潮智能科技有限公司 | Server running state monitoring method, device and system and readable storage medium |
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| CN113596827A (en) * | 2021-07-29 | 2021-11-02 | Oppo广东移动通信有限公司 | Key generation method and device, electronic equipment and storage medium |
| CN113596827B (en) * | 2021-07-29 | 2024-02-13 | Oppo广东移动通信有限公司 | Key generation method, device, electronic equipment and storage medium |
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Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |