In the past more than a year, the smart home market has developed at a high speed, and many industry giants have also made efforts to jointly promote the progress of smart home technology and the improvement of the ecological circle. However, while smart homes are bringing smart and new life to consumers, the security issue is still a worries that continue to linger in the minds of consumers.
As a world-renowned communications manufacturer, ZTE provides carrier-class communications solutions and products to global operators. Since entering the smart home industry in 2014, ZTE has launched a series of smart home products such as smart cameras, smart door locks and routers that are familiar with Xiaoxing. It has the end-to-end telecom-grade smart home overall solution capability. With stable performance and perfect functions, it is widely praised in the consumer market. In addition, it is worth noting that ensuring network security is the core advantage of ZTE. Bringing the carrier-class security system to the smart home solution is also an important contribution of ZTE to the smart home industry.
ZTE's smart home security solution includes data security, application security, system security, and network security. It covers the three major product areas of smart home devices, cloud platforms, and APP to ensure end-to-end system security for smart homes.
Figure (1) ZTE's overall framework for smart home security
First, data security
Data security is at the heart of smart home system security. The smart home business contains a large amount of personal user data and device information. In order to prevent user privacy leakage, ZTE smart home system is divided into different levels according to the degree of data sensitivity, and implements different data security solutions. For core data, such as account information, audio and video data, the system uses AES/SHA encryption, data access control, backup and other means to ensure data security in the process of transmission, storage, access, disaster recovery and other processes.
Second, application security
Application security is the key to the security of smart home systems. Smart home applications include audio and video services, device operations, cloud storage, firmware upgrades and other services and applications. Products have developed targeted security solutions based on their characteristics. For example, in order to ensure the security of the video live broadcast application at the core of the camera, Xiaoxing looks at the system using the "dynamic token + audio and video encryption" security technology to ensure that personal video data will not be illegally obtained by third parties. Video live security solutions such as Figure (2). In addition, in order to ensure the firmware upgrade security of the device, the platform uses firmware package signature, secure channel transmission, firmware package verification, dual version protection and other means to effectively prevent data leakage and tampering of the firmware package.
Figure (2) Xiaoxing look at the live video security solution
Third, system security
System security is the foundation of smart home system security. System security includes operating system, device access, device access, and application hardening. The ZTE smart home product solution requires that each smart home device connected to the cloud platform must have a unique ID for the entire network. When the device accesses the cloud platform, the security center checks the device validity of the device ID and DeivceKey. . When the APP accesses these devices, it must apply for access rights to the Security Center. Only authorized access by the user allows the device to be manipulated, and the system assigns different device access rights for different user roles. The complete device access and access control scheme is shown in Figure (3).
Figure (3) ZTE smart home equipment access and access control scheme
Fourth, network security
Network security is a prerequisite for the security of smart home systems. In order to cope with the increasingly complex network security problems, prevent communication links from being intercepted and sensitive information leakage, all instructions of ZTE Smart Home System use TLS communication link for transmission, and use two-way authentication mechanism to ensure the connection between devices, APP and cloud platforms. Communication security. At the same time, the system uses different security protection measures and security policies for the access domain, internal domain, and external network domain.
ZTE has corresponding technologies and means to ensure security in smart home data, applications, systems and security. At the same time, whether it is chips, modules, sensors or software and products to the cloud, the design of each node fully considers the security requirements.
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RJ45 interface can be used to connect RJ-45 connectors. It is suitable for the network constructed by twisted pair. This port is the most common port, which is generally provided by Ethernet hub. The number of hubs we usually talk about is the number of RJ-45 ports.
RJ45 is a type of different connectors (for example: RJ11 is also a type of connector, but it is used on the telephone); there are two different ways to arrange the RJ-45 connector: one is white orange, orange, white green, blue, white blue, green, white brown, brown; the other is white green, green, white orange, blue, white blue, orange, white brown, brown; therefore, there are also wires with RJ45 connector There are two kinds: straight line and interleaved line.
The RJ-45 port of the hub can be directly connected to terminal devices such as computers and network printers, and can also be connected with other hub equipment and routers such as switches and hubs. It should be noted that when connecting to different devices, the jumper method of twisted pair cable used is different.
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