《大学课件信息通信Securityin802.16》由会员分享，可在线阅读，更多相关《大学课件信息通信Securityin802.16（13页珍藏版）》请在装配图网上搜索。
1、EEIS,USTC1Securityin 802.16EEIS,USTC2qTypical threats of any wireless networksqWireless security-802.16qWiMAXs prospectEEIS,USTC3Typical threats of any wireless networksqMalicious entities can gain access to the network，qinformation can be intercepted，qDoS attacks，qthe miscreants can masquerade as l
2、egitimate users，qViruses and other malicious code。Malicious UserEEIS,USTC4qTypical threats of any wireless networksqWireless security-802.16qWiMAXs prospectEEIS,USTC5qranges up to 50Kms，qno LOS required，and qdata transfer rates up to 70 Mbps.EEIS,USTC6q scans downlink signal，qestablishes a PMC with
3、BS,qPKM authorizes the SS to the BS,qBS upon a request message registers the SS,qBS sends a response for a secondary management connection,qSS and BS create transport connections.Searching BSEEIS,USTC7Security architecture1,Encapsulation protocolencrypting the data packets.2,Key Management Protocols
4、ecure distribution of the keying data from BS to SS.EEIS,USTC8Authorization SAqX.509 certificateqAuthorization key(AK),qlifetime of AK,qthe Key encryption key(KEK)EEIS,USTC9SSBSAuth InfoAuth reply(AK0)Auth ReqAuth ReqAuth ReqAuth Reply(AK1)Auth ReplyAK0ALTAK1ALTAK0 ALTAK1 ALTAK2ALTAK2ALTAK UsageKey
5、Req(AK1)Key Req(AK2)EEIS,USTC10EEIS,USTC11qWireless security-802.16qcompare with security in 802.11q WiMAXs prospectEEIS,USTC12qover 250 members:France Telecom,Deutsche Telecom,Telenor,British Telecom,UK Broadband,Altitude Telecom,China motion telecom etc.Intel,Alcatel,Siemens,Ericsson,Nokia etc.q1000s of deployments in over 130 countriesEEIS,USTC13
大学课件信息通信Securityin802.16
