2006, Volume 8, Issue 9
Strategic Study of CAE >> 2006, Volume 8, Issue 9
IEEE 802.16 Mesh Network SA Management Mechanism Based on Multi-hops Mutual Authentication
Research Center of Information Security, Southeast University , Nanjing 210096, China
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Abstract
Mesh network supported by IEEE802.16-2004 wireless-MAN standard is a fresh network combining tree network and ad hoc network. Aimed at the weakness both in security and efficiency of one-hop one-way authentication SA (security association) mechanism employed by Mesh network, an multi-hops mutual authentication SA mechanism associated with hypo- optimal self-modified routing is proposed. Compared with the one-hop one-way mechanism, this one is of forward security and immune to middle attacks, which also lessens system cost and time delay in transmission. The employment of self-modified routing before touting establishment in management information transaction can also reduce the delay of service-flow creation. Subsequently, the security of multi-hops mutual mechanism is proved by security analysis, followed by the efficiency comparison which introduces the efficiency advantage of this mechanism.
Keywords
IEEE 802.16 ; mesh ; node ; multi-hops mutual authentication ; self-modified routing
Figures
图1集中式级联树状网
图2分布式ad hoc网
图3单跳服务流中继示意图
图4多跳服务流中继示意图
图5发起节点TEK分配SDL流程
图6目标节点TEK分配SDL流程
图7无按需路由时TEK分配修正路由
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