IoT (Internet of things) privacy protection system and method based on wireless traffic filling
A privacy protection and flow technology, applied in the field of wireless local area network security and wireless communication, can solve the problems of high working delay of IoT devices, poor privacy protection and security, etc., and achieve the effect of improving security and solving high working delay
Active Publication Date: 2019-03-29
XIDIAN UNIV
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[0005] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and propose an IoT privacy protection system and method based on wireless traffic filling, which is used to solve the problems of poor privacy protection security and high working delay of IoT devices in the prior art technical issues
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[0040] Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described:
[0041] refer to figure 1 , an IoT privacy protection system based on wireless traffic filling, including a communication module composed of a data communication module and a data processing module, wherein:
[0042] The data communication module is used to set up a WPA2 wireless network and establishes a connection with a user router;
[0043] The data processing module is used to obtain the IoT device S i Sent TCP packet P ij The parameters of IoT device S are calculated and stored i The data transmission rate of V i and the total length L of the TCP packets sent by the high-bandwidth device, and determine the device S i Whether it is a low-bandwidth device, S i Whether the working state of the device is an interactive state, where i is the i-th device connected to the WPA2 wireless network, j is the j-th data packet, i≥1, j≥1;
[0044] Also...
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The invention provides an IoT (Internet of things) privacy protection method based on wireless traffic filling. The method is used to solve the technical problems of poor privacy protection security and higher IoT equipment work delay existing in the prior art. The method comprises the realization steps of: establishing a WPA2 wireless network by a data communication module, and connecting the network with a user router; obtaining TCP data packet parameters by a data processing module; obtaining 802.11 data packet parameters by a traffic processing module; constructing a filling data packet bya data packet constructing module; calculating a data transmission rate of IoT equipment by the data processing module; judging, by the data processing module, whether the IoT equipment is low bandwidth equipment; calculating total length of a TCP data packet, which is sent by high bandwidth equipment, by the data processing module; judging, by the data processing module, whether the high bandwidth equipment is in an interaction state; sending the filling data packet to the high bandwidth equipment and the data communication modules by a data filling module; and sending the filling data packet to the data communication module and the low bandwidth equipment by the data filling module.
Description
technical field [0001] The invention belongs to the technical field of wireless communication, and further relates to an IoT privacy protection system and method based on wireless traffic filling in the technical field of wireless local area network security. Background technique [0002] The Internet of Things (IoT) is to connect any item through the domain name of the Internet of Things through information sensing devices such as radio frequency identification (RFID), infrared sensors, global positioning systems and laser scanners, according to the agreed agreement, and carry out Information exchange and communication to realize a network concept of intelligent identification, positioning, tracking, monitoring and management. Its structure is divided into three levels: perception layer, network layer and application layer. Among them, the perception layer is composed of various sensors and sensor gateways, which are used to identify objects and collect information, and the...
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IPC IPC(8): H04W4/70H04W12/00
CPCH04W4/70H04W12/00
Inventor 杨超朱泉龙邵佳杰郑昱苏锐丹马建峰李晖
Owner XIDIAN UNIV