AU2017100662A4 - A secure communication method of integrated distributed electric vehicle controller - Google Patents
A secure communication method of integrated distributed electric vehicle controller Download PDFInfo
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- AU2017100662A4 AU2017100662A4 AU2017100662A AU2017100662A AU2017100662A4 AU 2017100662 A4 AU2017100662 A4 AU 2017100662A4 AU 2017100662 A AU2017100662 A AU 2017100662A AU 2017100662 A AU2017100662 A AU 2017100662A AU 2017100662 A4 AU2017100662 A4 AU 2017100662A4
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- vehicle
- gateway
- electric control
- network
- electric vehicle
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/16—Obfuscation or hiding, e.g. involving white box
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
Abstract The invention relates to a secure communication method of integrated distributed electric vehicle controllers. According to the communication method, a gateway is configured in an electric vehicle controller network, vehicle-mounted electric control units in the electric vehicle controller network are connected with the gateway to constitute integrated distributed architecture for communication with an external network, and a first white 5 box encryption algorithm is built in the gateway to encrypt data packet transmission among the vehicle-mounted electric control units in real time. By adoption of the secure communication method provided by the present invention, the data information transmission among the vehicle-mounted electric control units can be monitored and controlled in real time, the white box breaking and decoding of sensitive driving information and keys are effectively defended, and the security of data transmission is improved. External net w r Vehicle-mounted electric control unit (2a) Gateway (first white box Vehicle-,nounted electric control unit (2c) Vehicle-mounted electric encryption algorithm) control unit (2b) Fig. 1 Eternal network (Second white box Vehicle-mounted electri encryption algorithm) Vehiclermounted electric control unit (2.) (first white box control unit (20) encryption algorithm) Gateway ehicle-Founted electric control unit (2b) 4 Fig. 2
Description
A Secure Communication Method of Integrated Distributed Electric Vehicle Controllers
Field of the Invention 2017100662 06 Jun2017
The invention relates to the technical field of secure communication strategies of vehicle-mounted local area 5 networks, and particularly to a secure communication method of integrated distributed electric vehicle controllers.
Background of the Invention
With the rapid development of vehicle function diversification and integration, particularly with the vigorous 10 promotion and use of electric vehicles, the increase and use of vehicle-mounted electronic devices, particularly the application of electronic vehicle locks, are popularized in the mass market. The application of the vehicle-mounted electronic devices brings new7 hidden dangers of secure use of the vehicle security while greatly improving the security coefficients of traditional vehicles, for example, precision components and parts of the vehicle-mounted electronic devices are damaged by electromagnetic impact easily, thereby being 15 manually attacked and damaged easily and being even used for illegally stealing private information, which leads to leakage of driving electronic control information, decoding of vehicle locking passwords and other serious consequences. In view of the above-mentioned problems, most existing measures are to increase artificial inspection to prevent adverse consequences, the effect is not significant, a lot of labor costs are increased, and there is no effective solution to this problem at present beyond that. 20
Summary of the Invention
The invention provides a secure communication method of integrated distributed electric vehicle controllers in view of the problem that with the increase and use of vehicle-mounted electronic devices, private information is illegally stolen very easily, resulting in the leakage of driving electronic control information, decoding of 25 vehicle locking passwords and the like. A gateway is configured in an electric vehicle controller network, a first white box encryption algorithm is built in the gateway, moreover the gateway and vehicle-mounted electric control units in the electric vehicle controller network constitute distributed architecture, the gateway is effectively used as a transmission medium among the vehicle-mounted electric control units, moreover white box encryption is performed on each data packet transmitted among the vehicle-mounted electric control 30 units, thereby effectively solving the problem that internal communication in the electric vehicle controller network is prone to white box breaking very7 easily, avoiding the decoding and leakage of sensitive data information and guaranteeing the security and the accuracy of real-time data transmission of an electric vehicle electric control system. 35 The technical solutions of the present invention are as follows: A secure communication method of integrated distributed electric vehicle controllers, wherein a gateway is configured in an electric vehicle controller network, vehicle-mounted electric control units in the electric vehicle controller network are connected with the gateway to constitute integrated distributed architecture for communication with an external network, and a first white box encryption algorithm is built in the gateway to 40 encrypt data packet transmission among the vehicle-mounted electric control units in real time.
Synchronous communication with the external network is established by use of the gateway, and a second white box encryption algorithm is built in the gateway to receive and transmit sensitive data between the electric vehicle controller network and the external network. 45
The electric vehicle controller network is set as a vehicle-mounted CAN network, and the vehicle-mounted electric control units are connected with the gateway through corresponding CAN tw'isted pairs. l 2017100662 06 Jun2017
The electric vehicle controller network is set as the vehicle-mounted CAN network, and the gateway is connected with the external network through a CAN twisted pair. 5 The vehicle-mounted electric control units are further connected with the gateway through corresponding PWM hard wires, and the vehicle-mounted electric control units control and identify the category or objective of the data packet transmission by means of the duty ratios of PWM signals transmitted by the PWM hard wires. 10 It is set that general data packet transmission is executed when the duty ratios of the PWM signals are 10%; and/or, it is set that program update is executed when the duty ratios of the PWM signals are 20%. A secure communication system of integrated distributed electric vehicle controllers includes an electric 15 vehicle conttOller network, the electric vehicle controller network includes a plurality of vehicle-mounted electric control units, wherein the electric vehicle controller network further includes a gateway arranged in the electric vehicle controller network, a first white box encryption module is arranged in the gateway, the vehicle-mounted electric control units are connected with the first white box encryption module, and the first white box encryption module encrypts data packet transmission among the vehicle-mounted electric control 20 units in real time by using a first white box encryption algorithm. A second white box encryption module is further arranged in the gateway, the second white box encryption module is connected with an external network, the gateway establishes the synchronous communication with the external network, and the second white box encryption module receives and transmits sensitive data 25 between the electric vehicle controller network and the external network by using a second white box encryption algorithm.
The electric vehicle controller network is a vehicle-mounted CAN network, and the vehicle-mounted electric control units are connected with the first white box encryption module through corresponding CAN twisted 30 pairs; and the second white box encryption module is connected with the external network through a CAN twisted pair.
The vehicle-mounted electric control units are connected with the first white box encryption module through corresponding PWM hard wires, and the vehicle-mounted electric control units control and identify the 35 category or objective of the data packet transmission by means of the duty ratios of PWM signals transmitted by the PWM hard wires.
The technical effects of the present invention are as follows:
According to the secure communication method of the integrated distributed electric vehicle controllers 40 involved in the present invention, the gateway is configured in the electric vehicle controller network, the first white box encryption algorithm is built in the gateway, an integrated distributed architecture between the gateway with a built-in white box encryption module and each vehicle-mounted electric control unit is adopted, the vehicle-mounted electric control units are distributed around the gateway in an integrated manner, the gateway is effectively used as the transmission medium among the vehicle-mounted electric control units, the 45 data packet transmission among the vehicle-mounted electric control units is encrypted by the white box encryption algorithm in real time, that is, white box encryption is performed on each data packet transmitted among the vehicle-mounted electric control units, the data information transmission among the 2 vehicle-mounted electric control units is monitored and controlled in real time, and two types of communication channels are formed to effectively defending white box breaking and decoding of sensitive driving information and keys, avoid the decoding and leakage of the sensitive data information, avoid various problems during the communication of the existing electric vehicle controllers and improve the security and 5 the accuracy of the data transmission of the electric vehicle electric control system. 2017100662 06 Jun2017
Further, according to the secure communication method disclosed by the present invention, the gateway realizes the synchronous communication between the electric vehicle controller network (i.e., the vehicle-mounted CAN network, the gateway can also be called a CAN communication gateway at this time, 10 and CAN accesses are formed among the vehicle-mounted electric control units) and the external network, a second white box encryption algorithm is built in the gateway, the security of the receiving and transmitting of sensitive data between the vehicle-mounted CAN network and the external network is realized by the white box encryption algorithm, and the security and the accuracy of tire real-time data transmission are guaranteed. In addition, PWM accesses can also be connected with the CAN accesses in parallel, so that the 15 vehicle-mounted electric control units can quickly and efficiently identify the category or the objective of the data packet transmission, and meanwhile, by adoption of the method, data erasing operation and sensitive data transmission of an automatic controller are realized at the same time. By adoption of the secure communication method disclosed by the present invention, a data security strategy with a high security level can be executed while the instantaneity of data transmission is guaranteed. 20
The present invention further relates to a secure communication system of integrated distributed electric vehicle controllers, including an electric vehicle controller network and a gateway arranged in the electric vehicle controller network, a first white box encryption module is arranged in the gateway, vehicle-mounted electric control units are connected with the first white box encryption module, and the first white box 25 encryption module encrypts data packet transmission among the vehicle-mounted electric control units in real time by using a first white box encryption algorithm. The secure communication system involved in the present invention corresponds to the above-mentioned secure communication method of the integrated distributed electric vehicle controllers and can be understood as the secure communication system for implementing the secure communication method of the integrated distributed electric vehicle controllers 30 provided by the invention. The secure communication system is simple in structure and high in practicability, and is able to realize effective and secure receiving and transmitting of sensitive data information, avoid the decoding and leakage of the sensitive data information, guarantee the security and the accuracy of real-time data transmission and provide better stability and security for the new-generation electric vehicle electric control systems. 35
Brief Description of the Drawings
Fig. 1 is a working principle diagram of a secure communication method of integrated distributed electric vehicle controllers of the invention.
Fig. 2 is a preferred working principle diagram of a secure communication method of integrated distributed 40 electric vehicle controllers of the invention.
Fig. 3 is a schematic diagram of a first preferred structure of a secure communication system of integrated distributed electric vehicle controllers of the invention.
Fig. 4 is a schematic diagram of a second preferred structure of a secure communication system of integrated distributed electric vehicle controllers of the invention. 45 Fig. 5 is a schematic diagram of a third preferred structure of a secure communication system of integrated distributed electric vehicle controllers of the invention. 3
Reference signs are shown in the drawings as follows: 2017100662 06 Jun2017 la-first white box encryption module; lb-second white box encryption module; 2a (2b, 2c)-vehicle-mounted electric control units; 3-CAN twisted pair; 4-PWM hard wire. 5 Detailed Description of the Invention
The invention will be illustrated below in combination with the drawings.
The invention discloses a secure communication method of integrated distributed electric vehicle controllers, as shown in Fig. 1, a gateway is configured in an electric vehicle controller network, a first white box 10 encryption algorithm is built in the gateway, vehicle-mounted electric control units (e.g., vehicle-mounted electric control units 2a, 2b, 2c in Fig. 1) in the electric vehicle controller network are connected with the gateway to constitute integrated distributed architecture for communication with an external network, and the first white box encryption algorithm built in the gateway encrypts data packet transmission among the vehicle-mounted electric control units (i.e., the vehicle-mounted electric control units 2a, 2b, 2c in Fig. 1) in 15 real time. According to the secure communication method provided by the present invention, the gateway is effectively used as the transmission medium among the vehicle-mounted electric control units, for example, the vehicle-mounted electric control units 2a, 2b, 2c, white box encryption is performed on each data packet transmitted among the vehicle-mounted electric control units, any white box encryption algorithm is adopted, for example, a white box AES algorithm or a white box DES algorithm or reformation of the existing white 20 box encryption algorithm, based on the calculation of an encryption function in insecure environments, encryption keys are hidden in a series of data tables, thereby effectively solving the problem that the internal communication in the electric vehicle controller network (i.e., a vehicle-mounted CAN network) is prone to white box breaking very easily, avoiding the decoding and leakage of sensitive data information and guaranteeing the security and the accuracy of real-time data transmission of an electric vehicle electric control 25 system.
Preferably, as shown in Fig. 2, synchronous communication with the external network (e.g., a remote data system, an OBD II interface and the like) is established by use of the gateway, a second white box encryption algorithm can be arranged in the gateway, the receiving and transmitting of sensitive data between the electric 30 vehicle controller network and the external network are realized by the second white box encryption algorithm, the second white box encryption algorithm can be any white box encryption algorithm, the second white box encryption algorithm can be the same as or different from the first white box encryption algorithm, and the main difference lies in that the objects and the accomplished works of the two white box encryption algorithms are different. When the above-mentioned electric vehicle controller network is preferably set as the 35 vehicle-mounted CAN network, the vehicle-mounted electric control units are connected with the gateway through corresponding CAN twisted pairs 3, and the gateway is connected with the external network through a CAN twisted pair 3. According to the secure communication method provided by the present invention, the gateway is effectively used as the transmission medium among the vehicle-mounted electric control units, for example, the vehicle-mounted electric control units 2a, 2b, 2c, a secure connection between the 40 vehicle-mounted CAN network and the external network is also established by use of the gateway, driving data are collected by the synchronous communication of the two networks, and the gateway utilizes the second white box encryption algorithm and receives and transmits the sensitive data information securely with the external network or an external transceiver through a CAN access according to related standards, thereby guaranteeing the security and the accuracy of real-time data transmission and providing better stability and 45 security for the new-generation electric vehicle electric control systems. The vehicle-mounted electric control units and the gateway constitute integrated distributed architecture and can be understood as communicating with each other through an internal network, and the data packet transmission among the vehicle-mounted 4 electric control units is encrypted by the first white box encryption algorithm; the communication of the vehicle-mounted electric control units and the gateway with the external network as a whole (the integrated distributed architecture, and the belonging electric vehicle controller network) can be understood as communication with the external network, and the receiving and transmitting of the sensitive data between the 5 electric vehicle controller network and the external network are realized by the second white box encryption algorithm. The communication of tire internal network mid the communication of the external network work independently and are two independent data flow works in two types of communication channel architecture. 2017100662 06 Jun2017
In addition, the vehicle-mounted electric control units can also be connected with a first white box encryption 10 module la through corresponding PWM hard wires 4, the vehicle-mounted electric control units can control and identify the category or objective of the data packet transmission by means of the duty ratios of PWM signals transmitted by the PWM hard wires 4, that is, when all of the vehicle-mounted electric control unit 2a, die vehicle-mounted electric control unit 2b and the vehicle-mounted electric control unit 2c realize the data transmission with the gateway through the CAN twisted pairs, synchronous variable duty ratio square wave, 15 namely PWM signals (i.e., PWM accesses and the CAN accesses are connected in parallel and are synchronously used) are additionally sent to the vehicle-mounted electric control units through the PWM accesses, so that the vehicle-mounted electric control units can quickly and efficiently identify the category or objective of the data packet transmission so as to ensure the security of data transmission, for example, different duty ratios of the PWM signals can be set to represent different grades of data packet transmission, or 20 different duty ratios of the PWM signals can be set to represent different transmission objectives, for example, it is set that general data packet transmission is executed when the duty ratios of the PWM signals are 10%; or it is set that program update is executed when the duty ratios of the PWM signals are 20%, this manner effectively simplifies the actual data format of the data packet transmission, reduces the data transmission size and the time cost, and further enhances the security of the data transmission. 25
The invention further discloses a secure communication system of integrated distributed electric vehicle controllers, the schematic diagram of a first preferred structure thereof is as shown in Fig. 3, the system includes an electric vehicle controller network (can be preferably a vehicle-mounted CAN network), the electric vehicle controller network, namely the vehicle-mounted CAN network, includes a plurality of 30 vehicle-mounted electric control units (MCU), for example, vehicle-mounted electric control units 2a, 2b, 2c in Fig. 1, and a gateway arranged in the electric vehicle controller network, that is, the gateway is embedded into a CAN communication network, namely the vehicle-mounted CAN network, constituted by the vehicle-mounted electric control units, a first white box encryption module la is arranged in the gateway, the built-in first white box encryption module la encrypts data packet transmission among the vehicle-mounted 35 electric control units in real time by using an arbitrary white box encryption algorithm, specifically, all of the vehicle-mounted electric control unit 2a, the vehicle-mounted electric contr ol unit 2b and the vehicle-mounted electric control unit 2c are connected with the first white box encryption module la through CAN twisted pairs 3, and the first white box encryption module la encrypts the data packet transmission among the vehicle-mounted electric control units in real time by using a first white box encryption algorithm, monitors 40 and controls the data information transmission among the vehicle-mounted electric control units and effectively defends the white box breaking and decoding of sensitive driving information and keys.
The schematic diagram of a second preferred structure of the secure communication system of the integrated distributed electric vehicle controllers of the present invention is as shown in Fig. 4, besides including the 45 modules/components as shown in Fig. 3, all of the vehicle-mounted electric control unit 2a, the vehicle-mounted electric control unit 2b and the vehicle-mounted electric control unit 2c are connected with the first white box encryption module la through PWM hard wires 4, all of the vehicle-mounted electric 5 control unit 2a, the vehicle-mounted electric control unit 2b and the vehicle-mounted electric control unit 2c can control and identify the category or objective of the data packet transmission by means of the duty ratios of PWM signals transmitted by the PWM hard wires 4, for example, it is set that general data packet transmission is executed when the duty ratios of the PWM signals are 10%; or it is set that program update is executed when 5 the duty ratios of the PWM signals are 20%, this manner effectively simplifies the actual data format of the data packet transmission, therefore the vehicle-mounted electric control units can monitor and control the categories and transmission objectives of input signals by identifying the duty ratios of the PWM signals. 2017100662 06 Jun2017
The schematic diagram of a third preferred structure of the secure communication system of the integrated 10 distributed electric vehicle controllers of the present invention is as shown in Fig. 5, besides including the modules/components as shown in Fig. 4, a second white box encryption module lb is further arranged in the gateway, the second white, box encryption module lb is connected with an external network through a CAN twisted pair 3, the gateway establishes the synchronous communication with the external network and establishes an interface between the vehicle-mounted CAN network and the external network, meanwhile, the 15 second white box encryption module lb receives and transmits sensitive data between the electric vehicle controller network, namely the vehicle-mounted CAN network, and the external network by using an arbitrary white box encryption algorithm, thereby protecting the security of receiving and transmitting of the sensitive driving information and guaranteeing the security of the connection and the data transmission between the vehicle-mounted CAN network and the external network. 20
It should be noted that the specific embodiments described above may enable those skilled in the art to understand the present invention more fully, but do not limit the present invention in any way. Accordingly, although the present invention has been described in detail with reference to the drawings and the embodiments in the present specification, it should be understood by those skilled in the art that modifications 25 or equivalent substitutions can still be made to the present invention. In summary, all the technical solutions and improvements thereof made without departing from the spirit and scope of the present invention shall fall into the protection scope of the patent of the present invention. 6
Claims (5)
- Claims1. A secure communication method of integrated distributed electric vehicle controllers, characterized in that a gateway is configured in an electric vehicle controller network, vehicle-mounted electric control units in the electric vehicle controller network are connected with the gateway to constitute integrated distributed architecture for communication with an external network, and a first white box encryption algorithm is built in the gateway to encrypt data packet transmission among the vehicle-mounted electric control units in real time.
- 2. The secure communication method of integrated distributed electric vehicle controllers according to claim 1, characterized in that synchronous communication with the external network is established by use of the gateway, and a second white box encryption algorithm is built in the gateway to receive and transmit sensitive data between the electric vehicle controller network and the external network.
- 3. The secure communication method of integrated distributed electric vehicle controllers according to claim 1 or 2, characterized in that the electric vehicle controller network is set as a vehicle-mounted CAN network, and the vehicle-mounted electric control units are connected with the gateway through corresponding CAN twisted pairs.
- 4. The secure communication method of integrated distributed electric vehicle controllers according to claim 2, characterized in that the electric vehicle controller network is set as the vehicle-mounted CAN network, and the gateway is connected with the external network through a CAN twisted pair.
- 5. The secure communication method of integrated distributed electric vehicle controllers according to claim 3, characterized in that the vehicle-mounted electric control units are further connected with the gateway through corresponding PWM hard wires, and the vehicle-mounted electric control units control and identify the category or objective of the data packet transmission by means of the duty ratios of PWM signals transmitted by the PWM hard wires; it is set that general data packet transmission is executed when the duty ratios of the PWM signals are 10%; and/or, it is set that program update is executed when the duty ratios of the PWM signals are 20%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610585201.1 | 2016-07-22 | ||
| CN201610585201.1A CN106027244B (en) | 2016-07-22 | 2016-07-22 | A kind of integrated distributed electric vehicle controller safety communicating method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2017100662A4 true AU2017100662A4 (en) | 2017-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| AU2017100662A Ceased AU2017100662A4 (en) | 2016-07-22 | 2017-06-06 | A secure communication method of integrated distributed electric vehicle controller |
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| Country | Link |
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| CN (1) | CN106027244B (en) |
| AU (1) | AU2017100662A4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106850230B (en) * | 2017-02-15 | 2018-04-17 | 北京航空航天大学 | A kind of data safety exchange method based on CAN network |
| CN108521410B (en) * | 2018-03-19 | 2020-09-04 | 北京航空航天大学 | Safety protection architecture of vehicle-mounted Ethernet |
| CN110581797A (en) * | 2018-06-11 | 2019-12-17 | 北京宝宝云车联网科技有限公司 | Device for vehicle-mounted multifunctional communication |
| CN110370979A (en) * | 2019-07-17 | 2019-10-25 | 浙江吉利新能源商用车集团有限公司 | It is a kind of for the charging management method of batch vehicle, management system and control method |
| CN112422392B (en) * | 2021-01-25 | 2021-07-02 | 武汉格罗夫氢能汽车有限公司 | Whole-vehicle network system of hydrogen energy automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417980A (en) * | 2002-11-07 | 2003-05-14 | 吕京建 | Intelligent gateway device for vehicle controller LAN |
| CN200976598Y (en) * | 2006-07-24 | 2007-11-14 | 吉林大学 | Wireless vehicle mounted gateway system |
| CN202929442U (en) * | 2012-10-18 | 2013-05-08 | 上海迈拓汽车技术有限公司 | Automobile CAN network control system |
| CN103661380B (en) * | 2013-12-04 | 2016-05-11 | 奇瑞汽车股份有限公司 | A kind of vehicle-mounted constant speed cruising system and constant speed cruising method |
| CN104268477B (en) * | 2014-09-26 | 2017-09-26 | 华为技术有限公司 | A kind of method of controlling security and the network equipment |
-
2016
- 2016-07-22 CN CN201610585201.1A patent/CN106027244B/en active Active
-
2017
- 2017-06-06 AU AU2017100662A patent/AU2017100662A4/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN106027244B (en) | 2019-06-25 |
| CN106027244A (en) | 2016-10-12 |
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