Rapid authentication method for wireless Mesh network backbone node switching

A backbone node and switching authentication technology, which is applied in wireless communication, electrical components, security devices, etc., can solve problems such as the inability to realize wireless Mesh network application security, and achieve the effects of reducing communication load, authentication delay, and less message transmission

Inactive Publication Date: 2010-10-20
XIDIAN UNIV
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Problems solved by technology

Therefore, the application security of wireless Mesh networks

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  • Rapid authentication method for wireless Mesh network backbone node switching
  • Rapid authentication method for wireless Mesh network backbone node switching
  • Rapid authentication method for wireless Mesh network backbone node switching

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] refer to image 3 and Figure 4 , the steps of fast authentication when the backbone node A switches to the backbone node B in the present invention are as follows:

[0028] 1. Backbone node access

[0029] Step 1. When deploying backbone node A to the wireless Mesh network, A performs initial access authentication with the authentication server AS, and establishes a long-term shared key k with AS A，AS , and AS caches the one-time random number N used by A during the authentication process. After the above operations are completed, A is allowed to access the backbone network.

[0030] 2. Switch authentication request

[0031] Step 2. The backbone node A that is allowed to access the backbone network, if it decides to switch to the backbone node B, generates a one-time random number N A , using the secret key k shared with the authentication server...

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Abstract

The invention discloses a rapid authentication method for wireless Mesh network backbone node switching, which mainly solves the problem existing in the security of the rapid switching of a wireless Mesh backbone node which is not covered by the existing standard IEEE 802.11s, IEEE 802.11r and a series of China wireless local area network security standards. The authentication scheme is that when the backbone node is switched, a switching authentication request is transmitted to a switching target; a backbone node used as the switching target requests an authentication server for a switching authentication key; the authentication server generates a random key which is used as the switching authentication key and safely issues the switching authentication key to the backbone nodes involving in switching through a switching authentication key response message; and the two backbone nodes use the switching authentication key for rapid authentication in the switching process and adopt an elliptic curve key exchange algorithm to negotiate a session key. The invention has the advantages that the number of the transmitted messages is small, the forward secrecy is kept, the method can resist partial service denial attacks, and the method can be used for rapid network deployment for field operation, emergency command and emergency rescue and disaster relief.

Description

technical field [0001] The invention belongs to the technical field of wireless networks, and in particular relates to a secure communication method in a wireless Mesh network, which can be used for rapid network deployment in field operations, emergency command and emergency rescue. Background technique [0002] Wireless Mesh network is a technical extension of wireless local area network. It has the characteristics of flexible networking, automatic configuration, and strong mobility, and has broad application prospects. Mesh nodes (Mesh Points, MPs) in a wireless mesh network are meshed and interconnected in a wireless manner to form a backbone network for providing reliable network connections to terminals. figure 1 It is a schematic diagram of the existing wireless Mesh network topology. It consists of a backbone node MP to form a wireless backbone network. Customer nodes MC can access the wired network through the backbone network through one or more hops; the security-...

Claims

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Application Information

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IPC IPC(8): H04W12/06H04W12/08H04W36/08
Inventor 李光松马建峰杨超姜奇王超曾勇
Owner XIDIAN UNIV
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