IEEE 802.16h ????????

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IEEE 802.16h ????????
IEEE 802.16h Network Security Protocol
Architecture

• Speaker ???? ??? N9590011
• ???? ?????????

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Outline

• Introduction
• ?RADIUS????????
• ?IKE- v2????????
• ?????????????
• ?/????

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Introduction

• ??IEEE802.16e???????????????,??????????????????
  IEEE802.16h????????,??????????????,???????????????
  ??

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Introduction
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?RADIUS????????

• IEEE802.11F????????,Inter-Access Point
  Protocol(IAPP),?IAPP???,??RADIUS????????????,?????
  ??????RADIUS?????????

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?RADIUS????????
Remote Authentication Dial-in User Service
(RADIUS)
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?RADIUS????????

• BS???Radius-BS/CIS-Access-Request?Radius????
• Radius?????BSID(Base Station Identifier)??????????
  ??????????
• ?????????????BS?????
• BS?CIS??LE_CP-REQ,?????????????????
• ??LE_CP-RSP??????????????????

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?IKE-v2????????
Internet Key Exchange(IKE)????????????????,????
????????????,??Diffie-Hellman(DH)
algorithm????,?????????????
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Diffie-Hellman(DH) algorithm
????????????,????????????????,?????????????????
??????????,?????????
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?IKE-v2????????
11
?????????????
?????RADIUS????????????,???????????????????????
IKE-v2?
12
?????????????
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?????????????

• BS-1??BS-2??,??Radius-Access-Request?Radius????
• Radius????BS-1????,?????0?Key Sequence Number?
• ?BS-1??BS-2???????,????Trust-Request?BS-2?
• BS-2???,???Radius-Access-Request?Radius???,

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?????????????

• ????BS-1?????,BS-2????????BS-1???????????
• BS-2??Trust-Response?BS-1,BS-1????????BS-2????????
  ???
• BS-1??Trust-Accept???????????

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?/???? (RADIUS)

• ??
• ???????(IEEE802.11F?IEEE802.16e)
• ???????????????????
• ??
• ???????RADIUS???,???????
• ?????Security Policy??RADIUS?????,?????????

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?/???? (IKE-v2)

• ??
• ???????????
• ??
• ?????????
• ????????????

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?/???? (???)

• ??
• RADIUS?IKE-v2????
• ??
• RADIUS????????????

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IP Security (IP Sec)

• ????
• Authentication Header(AH)
• Encapsulating Security Payload(ESP)
• ESP???????DES
• ransport Mode
• Tunnel Mode

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Reference

• CCL TECHNICAL JOURNAL 12.25.2005
• Cryptography and Network Security
• William Stallings/?
• ????? ????????
• http//dsns.csie.nctu.edu.tw/course/intro-securit
  y/2005/