Wireless body area network security access method

A wireless body area network and secure access technology, applied in the field of wireless body area network security access, can solve problems such as poor security and high energy consumption

Active Publication Date: 2015-01-21
XIDIAN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0016] The purpose of the embodiments of the present invention is to provide a method for secure access to a wireless body area network, aiming to solve the problems of access delay, large energy consumption and poor security of sensor nodes in an existing energy-constrained wireless body area network

Method used

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  • Wireless body area network security access method
  • Wireless body area network security access method
  • Wireless body area network security access method

Examples

Experimental program
Comparison scheme
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specific Embodiment

[0081] 1. Unicast mode (a single sensor node (BN) in the wireless body area network accesses the network coordinator (BNC))

[0082] In this invention, the network coordinator (BNC) queries a single sensor node (BN), all the messages sent (Msg1, Msg2, Msg3) are encrypted, and only three messages are sent, no need for message integrity authentication code (MIC) verification, which reduces the communication overhead; the network coordinator (BNC) has the address maintenance key list of trusted sensor nodes (BN) {k 1 ,k 2 ...k N}, the sensor node (BN) has its own key k i , the key is generated by combining the pairwise master key (PMK) and the address ID of the sensor node (BN);

[0083] 1) Under normal circumstances, the active initiation method (the network coordinator (BNC) initiates a handshake), the implementation process refers to figure 1 ;

[0084] The specific implementation steps are as follows:

[0085] a) The network coordinator (BNC) sends the key k A The encr...

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Abstract

The invention discloses a wireless body area network security access method. Two interaction modes, namely, the unicast mode and the multicast mode, are set; two launching modes are set, and in other words, a network coordinator launches hand shaking and sensor nodes launch hand shaking; thus, when a certain part is injured and the blood pressure suddenly rises or in other words, the measurement indexes of a certain or some sensor nodes exceed the corresponding index limitations, the corresponding sensor nodes actively launch the hand shaking process, the situations of patients are rapidly fed back to medical staff, and patients are helped in time. According to the method, dynamic negotiation of a user conversation key is achieved through enhanced four-step hand shaking, hand shaking information is reduced, all the information is encrypted, the unicast access mode and the multicast access mode are set, and the remote access problem is solved through a multi-hop method. The method has the advantages that the access efficiency of a large number of sensing nodes is high, security is high, and the energy consumption is low, and the method can be used for the access of the sensing nodes in a wireless body area network and the dynamic negotiation of the user conversation key.

Description

technical field [0001] The invention belongs to the technical field of information security, and in particular relates to a method for securely accessing a wireless body area network. Background technique [0002] With the development of sensor technology, wireless communication technology and network technology, wireless body area network (WBAN) came into being. The wireless body area network is composed of various sensors worn or implanted in the human body, which can collect the user's physiological data in real time to monitor the health status, that is, the sensor nodes of the wireless body area network are deployed in or around the human body, and these nodes are different from the human body. The site collects important physiological or motion parameters, and collects this information into a personal device (smart phone or PDA) through low-power wireless technology. The personal device transmits the information to the remote medical monitoring center, where the data i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/04H04W12/06
CPCH04L9/0841H04W4/80H04W12/04H04W12/08Y02D30/70
Inventor 刘景伟孙蓉武慧超
Owner XIDIAN UNIV
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