Sensing system key protecting method in field of Internet of things and wireless access equipment

Abstract

The invention discloses a network security key protecting method in the field of Internet of things. The network security key protecting method comprises the following steps: a public key is randomly generated after a host computer starts up a work; the host computer and a slave computer complete connection initialization through a reliable connection way; equipment identifiers of counterparts are mutually recorded by the host computer and the slave computer, and a static private key during connection establishment is generated under the domination of the slave computer; after accessing to the network, all communications between the host computer and the slave computer have a dynamic encryption mechanism dominated by the host computer. Through application of a safe connection initializing mechanism and a dynamic key mechanism, network connection between the host computer and the slave computer can be quickly and securely realized, so that a user does not need to remember a security key, but secure wireless connection can be quickly and conveniently established; the risk that the key is monitored by a malicious device and the risk that information is copied and faked are avoided.

Description

technical field [0001] The invention relates to the technical field of Internet of Things security, in particular to a key protection method and a wireless access device of an Internet of Things sensor system. Background technique [0002] The development of the Internet has promoted the sharing of information, but while information sharing has brought great convenience to human beings, it has also brought about problems in information security. As a result, people have introduced a key-controlled information encryption mechanism to ensure information security (unauthorized personnel without a key cannot decrypt encrypted information). The traditional key system has some defects of its own. In the field of Internet of Things, such problems will become more prominent, mainly reflected in the following three aspects: [0003] 1) Unfriendly user experience [0004] The traditional key mechanism requires users to enter when joining the network, thus preventing unauthorized p...

AI Technical Summary

Problems solved by technology

In the field of the Internet of Things, compared with the Internet, the devices that require access to the Internet will have exponential growth. It is conceivable that this method will cause great trouble to users: the user needs to enter the key every time the device is connected to the network, and the user experience is very unfriendly

[0005] 2) The key is easily cracked

[0007] 3) Risk of information copy forgery

The disadvantage of this method is that the two sides of the communication carry out the calculation of the key required for communication by presetting some secret information in the node and the gateway, which not only improves the energy consumption but also increases the burden of the node and the gateway, and there is also a problem that after physically obtaining the node Possibility to get the key or even enter the network through some reverse engineering means

It solves the problem that the security mechanism of the existing wireless access equipment is complicated. Users do not need to master the basic background knowledge of the operation of wireless network equipment to use it normally. However, after the wireless network is established, the network security problem in the communication process still cannot be solved.

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