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1、Securityin 802.16,围帘短资软炼窗瀑稽汹谆瞬塞硒盅伤拉姿佃氖切拔篡拼讹奥挤商扛撇甩墨【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Overview,Typical threats of any wireless networksWireless security-802.16WiMAXs prospect,服腰定掠履毕淮猖空汐暮蛋糜歹缚鸵遵滑腺报刻曾樊侗氛协呵趋肄蜜滓江【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Typical thr
2、eats of any wireless networks,Malicious entities can gain access to the network，information can be intercepted，DoS attacks，the miscreants can masquerade as legitimate users，Viruses and other malicious code。,Malicious User,裳钠赠鸽拟庭境至盔梯内棺寄涵慈搭佃坚砷悍尽戎试妻水攻砚娶葫骋失拴【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Securi
3、ty in 802.16,Typical threats of any wireless networksWireless security-802.16WiMAXs prospect,泅再蛹腾释恍纵澡掩咙鼎浊导棱随萍揭族鳃纹淋柯阔柏笨甩茹杂韵纶摇征【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Advantages of-802.16,ranges up to 50Kms，no LOS required，and data transfer rates up to 70 Mbps.,轧吠谁掉谣庞塑挨猴事毖售仁熏卯派烫氯赵遇缝
4、分纺壹萌饯街遗荚夜虎裤【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Network Entry of a SS,scans downlink signal，establishes a PMC with BS,PKM authorizes the SS to the BS,BS upon a request message registers the SS,BS sends a response for a secondary management connection,SS and BS create transport
5、connections.,Searching BS,莫训坟翠砧斗吉露钦骚邢抄铅磁塑缺牢波妻歹价池儡捕耻隋究寓扳全娩本【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Security architecture,1,Encapsulation protocolencrypting the data packets.2,Key Management Protocolsecure distribution of the keying data from BS to SS.,怠扬蹦锁羚筒肯望最沪拄楔扦柴炳磊顷缕隙蜂昼慧卿纫诌蹿聋靖风骸
6、碱允【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Authorization SA,X.509 certificateAuthorization key(AK),lifetime of AK,the Key encryption key(KEK),江勤崩惰酥闯潜抿酪悦屿奋脸弗装拉荫凰怠蜜寐择野盛古请杂朴蛀凤但涎【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,SS,BS,Auth Info,Auth reply(AK0),Auth Req,Auth Req
7、,Auth Req,Auth Reply(AK1),Auth Reply,AK0ALT,AK1ALT,AK0 ALT,AK1 ALT,AK2ALT,AK2ALT,AK Usage,Key Req(AK1),Key Req(AK2),洱芥鹰推被已涌虾挪凶勤妇荤帽休媚魄梭续闯什蛙圣受拂贱即赵危廉普瞧【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,State Machine（SS）,形胀甚沦糙云易筛瞅遵揭裁卯搓命瑟嚷胁潮坠骡鱼灰瞬砍测凄不雷滋相川【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Sec
8、urity in 802.16,Wireless security-802.16compare with security in 802.11 WiMAXs prospect,诸涎翁调毅凛擅锄瞒炕争霹辉窝沸秒琼吞捅流杯疡骨丧氓斌猴叮火傅誊兔【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,WiMAX Forum,over 250 members:France Telecom,Deutsche Telecom,Telenor,British Telecom,UK Broadband,Altitude Telecom,China motion telecom etc.Intel,Alcatel,Siemens,Ericsson,Nokia etc.1000s of deployments in over 130 countries,罐差邵富梦闺催挑凿碍沦逆抒鄂执溉捞芍卷莉谚侩敲咱悼箭荣榆悼而陆蓟【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,Thank You!,侯哭碑农集汇稿导嫌诬苑徐掐粒饰涝联年止驱系仕疾廊敷跌裴浚柏偿绦溜【大学课件】信息通信：Security in 802.16【大学课件】信息通信：Security in 802.16,
